1 ;;; gnus-sum.el --- summary mode commands for gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;; Katsumi Yamaoka <yamaoka@jpl.org>
9 ;; Keywords: mail, news, MIME
11 ;; This file is part of GNU Emacs.
13 ;; GNU Emacs is free software; you can redistribute it and/or modify
14 ;; it under the terms of the GNU General Public License as published by
15 ;; the Free Software Foundation; either version 2, or (at your option)
18 ;; GNU Emacs is distributed in the hope that it will be useful,
19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ;; GNU General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with GNU Emacs; see the file COPYING. If not, write to the
25 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
26 ;; Boston, MA 02110-1301, USA.
34 (defvar tool-bar-map))
50 (autoload 'pgg-decrypt-region "pgg" nil t)
51 (autoload 'pgg-verify-region "pgg" nil t))
53 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
54 (autoload 'gnus-cache-write-active "gnus-cache")
55 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
56 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
57 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
58 (autoload 'mm-uu-dissect "mm-uu")
59 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
60 "Deuglify broken Outlook (Express) articles and redisplay."
62 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
63 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
64 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
66 (defcustom gnus-kill-summary-on-exit t
67 "*If non-nil, kill the summary buffer when you exit from it.
68 If nil, the summary will become a \"*Dead Summary*\" buffer, and
69 it will be killed sometime later."
70 :group 'gnus-summary-exit
73 (defcustom gnus-fetch-old-headers nil
74 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
75 If an unread article in the group refers to an older, already read (or
76 just marked as read) article, the old article will not normally be
77 displayed in the Summary buffer. If this variable is t, Gnus
78 will attempt to grab the headers to the old articles, and thereby
79 build complete threads. If it has the value `some', only enough
80 headers to connect otherwise loose threads will be displayed. This
81 variable can also be a number. In that case, no more than that number
82 of old headers will be fetched. If it has the value `invisible', all
83 old headers will be fetched, but none will be displayed.
85 The server has to support NOV for any of this to work."
87 :type '(choice (const :tag "off" nil)
92 (sexp :menu-tag "other" t)))
94 (defcustom gnus-refer-thread-limit 200
95 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
96 If t, fetch all the available old headers."
99 (sexp :menu-tag "other" t)))
101 (defcustom gnus-summary-make-false-root 'adopt
102 "*nil means that Gnus won't gather loose threads.
103 If the root of a thread has expired or been read in a previous
104 session, the information necessary to build a complete thread has been
105 lost. Instead of having many small sub-threads from this original thread
106 scattered all over the summary buffer, Gnus can gather them.
108 If non-nil, Gnus will try to gather all loose sub-threads from an
109 original thread into one large thread.
111 If this variable is non-nil, it should be one of `none', `adopt',
114 If this variable is `none', Gnus will not make a false root, but just
115 present the sub-threads after another.
116 If this variable is `dummy', Gnus will create a dummy root that will
117 have all the sub-threads as children.
118 If this variable is `adopt', Gnus will make one of the \"children\"
119 the parent and mark all the step-children as such.
120 If this variable is `empty', the \"children\" are printed with empty
121 subject fields. (Or rather, they will be printed with a string
122 given by the `gnus-summary-same-subject' variable.)"
124 :type '(choice (const :tag "off" nil)
130 (defcustom gnus-summary-make-false-root-always nil
131 "Always make a false dummy root."
136 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
137 "*A regexp to match subjects to be excluded from loose thread gathering.
138 As loose thread gathering is done on subjects only, that means that
139 there can be many false gatherings performed. By rooting out certain
140 common subjects, gathering might become saner."
144 (defcustom gnus-summary-gather-subject-limit nil
145 "*Maximum length of subject comparisons when gathering loose threads.
146 Use nil to compare full subjects. Setting this variable to a low
147 number will help gather threads that have been corrupted by
148 newsreaders chopping off subject lines, but it might also mean that
149 unrelated articles that have subject that happen to begin with the
150 same few characters will be incorrectly gathered.
152 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
155 :type '(choice (const :tag "off" nil)
157 (sexp :menu-tag "on" t)))
159 (defcustom gnus-simplify-subject-functions nil
160 "List of functions taking a string argument that simplify subjects.
161 The functions are applied recursively.
163 Useful functions to put in this list include:
164 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
165 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
167 :type '(repeat function))
169 (defcustom gnus-simplify-ignored-prefixes nil
170 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
172 :type '(choice (const :tag "off" nil)
175 (defcustom gnus-build-sparse-threads nil
176 "*If non-nil, fill in the gaps in threads.
177 If `some', only fill in the gaps that are needed to tie loose threads
178 together. If `more', fill in all leaf nodes that Gnus can find. If
179 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
181 :type '(choice (const :tag "off" nil)
184 (sexp :menu-tag "all" t)))
186 (defcustom gnus-summary-thread-gathering-function
187 'gnus-gather-threads-by-subject
188 "*Function used for gathering loose threads.
189 There are two pre-defined functions: `gnus-gather-threads-by-subject',
190 which only takes Subjects into consideration; and
191 `gnus-gather-threads-by-references', which compared the References
192 headers of the articles to find matches."
194 :type '(radio (function-item gnus-gather-threads-by-subject)
195 (function-item gnus-gather-threads-by-references)
196 (function :tag "other")))
198 (defcustom gnus-summary-same-subject ""
199 "*String indicating that the current article has the same subject as the previous.
200 This variable will only be used if the value of
201 `gnus-summary-make-false-root' is `empty'."
202 :group 'gnus-summary-format
205 (defcustom gnus-summary-goto-unread t
206 "*If t, many commands will go to the next unread article.
207 This applies to marking commands as well as other commands that
208 \"naturally\" select the next article, like, for instance, `SPC' at
209 the end of an article.
211 If nil, the marking commands do NOT go to the next unread article
212 \(they go to the next article instead). If `never', commands that
213 usually go to the next unread article, will go to the next article,
214 whether it is read or not."
215 :group 'gnus-summary-marks
216 :link '(custom-manual "(gnus)Setting Marks")
217 :type '(choice (const :tag "off" nil)
219 (sexp :menu-tag "on" t)))
221 (defcustom gnus-summary-default-score 0
222 "*Default article score level.
223 All scores generated by the score files will be added to this score.
224 If this variable is nil, scoring will be disabled."
225 :group 'gnus-score-default
226 :type '(choice (const :tag "disable")
229 (defcustom gnus-summary-default-high-score 0
230 "*Default threshold for a high scored article.
231 An article will be highlighted as high scored if its score is greater
234 :group 'gnus-score-default
237 (defcustom gnus-summary-default-low-score 0
238 "*Default threshold for a low scored article.
239 An article will be highlighted as low scored if its score is smaller
242 :group 'gnus-score-default
245 (defcustom gnus-summary-zcore-fuzz 0
246 "*Fuzziness factor for the zcore in the summary buffer.
247 Articles with scores closer than this to `gnus-summary-default-score'
249 :group 'gnus-summary-format
252 (defcustom gnus-simplify-subject-fuzzy-regexp nil
253 "*Strings to be removed when doing fuzzy matches.
254 This can either be a regular expression or list of regular expressions
255 that will be removed from subject strings if fuzzy subject
256 simplification is selected."
258 :type '(repeat regexp))
260 (defcustom gnus-show-threads t
261 "*If non-nil, display threads in summary mode."
265 (defcustom gnus-thread-hide-subtree nil
266 "*If non-nil, hide all threads initially.
267 This can be a predicate specifier which says which threads to hide.
268 If threads are hidden, you have to run the command
269 `gnus-summary-show-thread' by hand or or select an article."
271 :type '(radio (sexp :format "Non-nil\n"
272 :match (lambda (widget value)
273 (not (or (consp value) (functionp value))))
276 (sexp :tag "Predicate specifier")))
278 (defcustom gnus-thread-hide-killed t
279 "*If non-nil, hide killed threads automatically."
283 (defcustom gnus-thread-ignore-subject t
284 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
285 If nil, articles that have different subjects from their parents will
286 start separate threads."
290 (defcustom gnus-thread-operation-ignore-subject t
291 "*If non-nil, subjects will be ignored when doing thread commands.
292 This affects commands like `gnus-summary-kill-thread' and
293 `gnus-summary-lower-thread'.
295 If this variable is nil, articles in the same thread with different
296 subjects will not be included in the operation in question. If this
297 variable is `fuzzy', only articles that have subjects that are fuzzily
298 equal will be included."
300 :type '(choice (const :tag "off" nil)
304 (defcustom gnus-thread-indent-level 4
305 "*Number that says how much each sub-thread should be indented."
309 (defcustom gnus-auto-extend-newsgroup t
310 "*If non-nil, extend newsgroup forward and backward when requested."
311 :group 'gnus-summary-choose
314 (defcustom gnus-auto-select-first t
315 "*If non-nil, select the article under point.
316 Which article this is is controlled by the `gnus-auto-select-subject'
319 If you want to prevent automatic selection of articles in some
320 newsgroups, set the variable to nil in `gnus-select-group-hook'."
321 :group 'gnus-group-select
322 :type '(choice (const :tag "none" nil)
323 (sexp :menu-tag "first" t)))
325 (defcustom gnus-auto-select-subject 'unread
326 "*Says what subject to place under point when entering a group.
328 This variable can either be the symbols `first' (place point on the
329 first subject), `unread' (place point on the subject line of the first
330 unread article), `best' (place point on the subject line of the
331 higest-scored article), `unseen' (place point on the subject line of
332 the first unseen article), `unseen-or-unread' (place point on the subject
333 line of the first unseen article or, if all article have been seen, on the
334 subject line of the first unread article), or a function to be called to
335 place point on some subject line."
337 :group 'gnus-group-select
338 :type '(choice (const best)
342 (const unseen-or-unread)))
344 (defcustom gnus-dont-select-after-jump-to-other-group nil
345 "If non-nil, don't select the first unread article after entering the
346 other group by the command `gnus-summary-jump-to-other-group'. If nil,
347 it is depend on the value of `gnus-auto-select-first' whether to select
349 :group 'gnus-group-select
352 (defcustom gnus-auto-select-next t
353 "*If non-nil, offer to go to the next group from the end of the previous.
354 If the value is t and the next newsgroup is empty, Gnus will exit
355 summary mode and go back to group mode. If the value is neither nil
356 nor t, Gnus will select the following unread newsgroup. In
357 particular, if the value is the symbol `quietly', the next unread
358 newsgroup will be selected without any confirmation, and if it is
359 `almost-quietly', the next group will be selected without any
360 confirmation if you are located on the last article in the group.
361 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
362 will go to the next group without confirmation."
363 :group 'gnus-summary-maneuvering
364 :type '(choice (const :tag "off" nil)
366 (const almost-quietly)
367 (const slightly-quietly)
368 (sexp :menu-tag "on" t)))
370 (defcustom gnus-auto-select-same nil
371 "*If non-nil, select the next article with the same subject.
372 If there are no more articles with the same subject, go to
373 the first unread article."
374 :group 'gnus-summary-maneuvering
377 (defcustom gnus-auto-goto-ignores 'unfetched
378 "*Says how to handle unfetched articles when maneuvering.
380 This variable can either be the symbols nil (maneuver to any
381 article), `undownloaded' (maneuvering while unplugged ignores articles
382 that have not been fetched), `always-undownloaded' (maneuvering always
383 ignores articles that have not been fetched), `unfetched' (maneuvering
384 ignores articles whose headers have not been fetched).
386 NOTE: The list of unfetched articles will always be nil when plugged
387 and, when unplugged, a subset of the undownloaded article list."
389 :group 'gnus-summary-maneuvering
390 :type '(choice (const :tag "None" nil)
391 (const :tag "Undownloaded when unplugged" undownloaded)
392 (const :tag "Undownloaded" always-undownloaded)
393 (const :tag "Unfetched" unfetched)))
395 (defcustom gnus-summary-check-current nil
396 "*If non-nil, consider the current article when moving.
397 The \"unread\" movement commands will stay on the same line if the
398 current article is unread."
399 :group 'gnus-summary-maneuvering
402 (defcustom gnus-auto-center-summary 2
403 "*If non-nil, always center the current summary buffer.
404 In particular, if `vertical' do only vertical recentering. If non-nil
405 and non-`vertical', do both horizontal and vertical recentering."
406 :group 'gnus-summary-maneuvering
407 :type '(choice (const :tag "none" nil)
409 (integer :tag "height")
410 (sexp :menu-tag "both" t)))
412 (defvar gnus-auto-center-group t
413 "*If non-nil, always center the group buffer.")
415 (defcustom gnus-show-all-headers nil
416 "*If non-nil, don't hide any headers."
417 :group 'gnus-article-hiding
418 :group 'gnus-article-headers
421 (defcustom gnus-summary-ignore-duplicates nil
422 "*If non-nil, ignore articles with identical Message-ID headers."
426 (defcustom gnus-single-article-buffer t
427 "*If non-nil, display all articles in the same buffer.
428 If nil, each group will get its own article buffer."
429 :group 'gnus-article-various
432 (defcustom gnus-break-pages t
433 "*If non-nil, do page breaking on articles.
434 The page delimiter is specified by the `gnus-page-delimiter'
436 :group 'gnus-article-various
439 (defcustom gnus-show-mime t
440 "*If non-nil, do mime processing of articles.
441 The articles will simply be fed to the function given by
442 `gnus-article-display-method-for-mime'."
443 :group 'gnus-article-mime
446 (defcustom gnus-move-split-methods nil
447 "*Variable used to suggest where articles are to be moved to.
448 It uses the same syntax as the `gnus-split-methods' variable.
449 However, whereas `gnus-split-methods' specifies file names as targets,
450 this variable specifies group names."
451 :group 'gnus-summary-mail
452 :type '(repeat (choice (list :value (fun) function)
453 (cons :value ("" "") regexp (repeat string))
456 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
457 "Function used to compute default prefix for article move/copy/etc prompts.
458 The function should take one argument, a group name, and return a
459 string with the suggested prefix."
460 :group 'gnus-summary-mail
463 ;; FIXME: Although the custom type is `character' for the following variables,
464 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
466 (defcustom gnus-unread-mark ?\ ;;;Whitespace
467 "*Mark used for unread articles."
468 :group 'gnus-summary-marks
471 (defcustom gnus-ticked-mark ?!
472 "*Mark used for ticked articles."
473 :group 'gnus-summary-marks
476 (defcustom gnus-dormant-mark ??
477 "*Mark used for dormant articles."
478 :group 'gnus-summary-marks
481 (defcustom gnus-del-mark ?r
482 "*Mark used for del'd articles."
483 :group 'gnus-summary-marks
486 (defcustom gnus-read-mark ?R
487 "*Mark used for read articles."
488 :group 'gnus-summary-marks
491 (defcustom gnus-expirable-mark ?E
492 "*Mark used for expirable articles."
493 :group 'gnus-summary-marks
496 (defcustom gnus-killed-mark ?K
497 "*Mark used for killed articles."
498 :group 'gnus-summary-marks
501 (defcustom gnus-spam-mark ?$
502 "*Mark used for spam articles."
504 :group 'gnus-summary-marks
507 (defcustom gnus-souped-mark ?F
508 "*Mark used for souped articles."
509 :group 'gnus-summary-marks
512 (defcustom gnus-kill-file-mark ?X
513 "*Mark used for articles killed by kill files."
514 :group 'gnus-summary-marks
517 (defcustom gnus-low-score-mark ?Y
518 "*Mark used for articles with a low score."
519 :group 'gnus-summary-marks
522 (defcustom gnus-catchup-mark ?C
523 "*Mark used for articles that are caught up."
524 :group 'gnus-summary-marks
527 (defcustom gnus-replied-mark ?A
528 "*Mark used for articles that have been replied to."
529 :group 'gnus-summary-marks
532 (defcustom gnus-forwarded-mark ?F
533 "*Mark used for articles that have been forwarded."
535 :group 'gnus-summary-marks
538 (defcustom gnus-recent-mark ?N
539 "*Mark used for articles that are recent."
541 :group 'gnus-summary-marks
544 (defcustom gnus-cached-mark ?*
545 "*Mark used for articles that are in the cache."
546 :group 'gnus-summary-marks
549 (defcustom gnus-saved-mark ?S
550 "*Mark used for articles that have been saved."
551 :group 'gnus-summary-marks
554 (defcustom gnus-unseen-mark ?.
555 "*Mark used for articles that haven't been seen."
557 :group 'gnus-summary-marks
560 (defcustom gnus-no-mark ?\ ;;;Whitespace
561 "*Mark used for articles that have no other secondary mark."
563 :group 'gnus-summary-marks
566 (defcustom gnus-ancient-mark ?O
567 "*Mark used for ancient articles."
568 :group 'gnus-summary-marks
571 (defcustom gnus-sparse-mark ?Q
572 "*Mark used for sparsely reffed articles."
573 :group 'gnus-summary-marks
576 (defcustom gnus-canceled-mark ?G
577 "*Mark used for canceled articles."
578 :group 'gnus-summary-marks
581 (defcustom gnus-duplicate-mark ?M
582 "*Mark used for duplicate articles."
583 :group 'gnus-summary-marks
586 (defcustom gnus-undownloaded-mark ?-
587 "*Mark used for articles that weren't downloaded."
589 :group 'gnus-summary-marks
592 (defcustom gnus-downloaded-mark ?+
593 "*Mark used for articles that were downloaded."
594 :group 'gnus-summary-marks
597 (defcustom gnus-downloadable-mark ?%
598 "*Mark used for articles that are to be downloaded."
599 :group 'gnus-summary-marks
602 (defcustom gnus-unsendable-mark ?=
603 "*Mark used for articles that won't be sent."
604 :group 'gnus-summary-marks
607 (defcustom gnus-score-over-mark ?+
608 "*Score mark used for articles with high scores."
609 :group 'gnus-summary-marks
612 (defcustom gnus-score-below-mark ?-
613 "*Score mark used for articles with low scores."
614 :group 'gnus-summary-marks
617 (defcustom gnus-empty-thread-mark ?\ ;;;Whitespace
618 "*There is no thread under the article."
619 :group 'gnus-summary-marks
622 (defcustom gnus-not-empty-thread-mark ?=
623 "*There is a thread under the article."
624 :group 'gnus-summary-marks
627 (defcustom gnus-view-pseudo-asynchronously nil
628 "*If non-nil, Gnus will view pseudo-articles asynchronously."
629 :group 'gnus-extract-view
632 (defcustom gnus-auto-expirable-marks
633 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
634 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
635 gnus-souped-mark gnus-duplicate-mark)
636 "*The list of marks converted into expiration if a group is auto-expirable."
639 :type '(repeat character))
641 (defcustom gnus-inhibit-user-auto-expire t
642 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
647 (defcustom gnus-view-pseudos nil
648 "*If `automatic', pseudo-articles will be viewed automatically.
649 If `not-confirm', pseudos will be viewed automatically, and the user
650 will not be asked to confirm the command."
651 :group 'gnus-extract-view
652 :type '(choice (const :tag "off" nil)
654 (const not-confirm)))
656 (defcustom gnus-view-pseudos-separately t
657 "*If non-nil, one pseudo-article will be created for each file to be viewed.
658 If nil, all files that use the same viewing command will be given as a
659 list of parameters to that command."
660 :group 'gnus-extract-view
663 (defcustom gnus-insert-pseudo-articles t
664 "*If non-nil, insert pseudo-articles when decoding articles."
665 :group 'gnus-extract-view
668 (defcustom gnus-summary-dummy-line-format
670 "*The format specification for the dummy roots in the summary buffer.
671 It works along the same lines as a normal formatting string,
672 with some simple extensions.
676 General format specifiers can also be used.
677 See `(gnus)Formatting Variables'."
678 :link '(custom-manual "(gnus)Formatting Variables")
679 :group 'gnus-threading
682 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
683 "*The format specification for the summary mode line.
684 It works along the same lines as a normal formatting string,
685 with some simple extensions:
688 %p Unprefixed group name
689 %A Current article number
690 %z Current article score
692 %U Number of unread articles in the group
693 %e Number of unselected articles in the group
694 %Z A string with unread/unselected article counts
695 %g Shortish group name
696 %S Subject of the current article
698 %s Current score file name
699 %d Number of dormant articles
700 %r Number of articles that have been marked as read in this session
701 %E Number of articles expunged by the score files"
702 :group 'gnus-summary-format
705 (defcustom gnus-list-identifiers nil
706 "Regexp that matches list identifiers to be removed from subject.
707 This can also be a list of regexps."
709 :group 'gnus-summary-format
710 :group 'gnus-article-hiding
711 :type '(choice (const :tag "none" nil)
713 (repeat :value (".*") regexp)))
715 (defcustom gnus-summary-mark-below 0
716 "*Mark all articles with a score below this variable as read.
717 This variable is local to each summary buffer and usually set by the
719 :group 'gnus-score-default
722 (defun gnus-widget-reversible-match (widget value)
723 "Ignoring WIDGET, convert VALUE to internal form.
724 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
728 (eq (length value) 2)
729 (eq (nth 0 value) 'not)
730 (symbolp (nth 1 value)))))
732 (defun gnus-widget-reversible-to-internal (widget value)
733 "Ignoring WIDGET, convert VALUE to internal form.
734 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
735 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
739 (list (nth 1 value) t)))
741 (defun gnus-widget-reversible-to-external (widget value)
742 "Ignoring WIDGET, convert VALUE to external form.
743 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
744 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
747 (list 'not (nth 0 value))
750 (define-widget 'gnus-widget-reversible 'group
751 "A `group' that convert values."
752 :match 'gnus-widget-reversible-match
753 :value-to-internal 'gnus-widget-reversible-to-internal
754 :value-to-external 'gnus-widget-reversible-to-external)
756 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
757 "*List of functions used for sorting articles in the summary buffer.
759 Each function takes two articles and returns non-nil if the first
760 article should be sorted before the other. If you use more than one
761 function, the primary sort function should be the last. You should
762 probably always include `gnus-article-sort-by-number' in the list of
763 sorting functions -- preferably first. Also note that sorting by date
764 is often much slower than sorting by number, and the sorting order is
765 very similar. (Sorting by date means sorting by the time the message
766 was sent, sorting by number means sorting by arrival time.)
768 Each item can also be a list `(not F)' where F is a function;
769 this reverses the sort order.
771 Ready-made functions include `gnus-article-sort-by-number',
772 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
773 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
774 and `gnus-article-sort-by-score'.
776 When threading is turned on, the variable `gnus-thread-sort-functions'
777 controls how articles are sorted."
778 :group 'gnus-summary-sort
779 :type '(repeat (gnus-widget-reversible
780 (choice (function-item gnus-article-sort-by-number)
781 (function-item gnus-article-sort-by-author)
782 (function-item gnus-article-sort-by-subject)
783 (function-item gnus-article-sort-by-date)
784 (function-item gnus-article-sort-by-score)
785 (function-item gnus-article-sort-by-random)
786 (function :tag "other"))
787 (boolean :tag "Reverse order"))))
790 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
791 "*List of functions used for sorting threads in the summary buffer.
792 By default, threads are sorted by article number.
794 Each function takes two threads and returns non-nil if the first
795 thread should be sorted before the other. If you use more than one
796 function, the primary sort function should be the last. You should
797 probably always include `gnus-thread-sort-by-number' in the list of
798 sorting functions -- preferably first. Also note that sorting by date
799 is often much slower than sorting by number, and the sorting order is
800 very similar. (Sorting by date means sorting by the time the message
801 was sent, sorting by number means sorting by arrival time.)
803 Each list item can also be a list `(not F)' where F is a
804 function; this specifies reversed sort order.
806 Ready-made functions include `gnus-thread-sort-by-number',
807 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
808 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
809 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
810 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
811 and `gnus-thread-sort-by-total-score' (see
812 `gnus-thread-score-function').
814 When threading is turned off, the variable
815 `gnus-article-sort-functions' controls how articles are sorted."
816 :group 'gnus-summary-sort
818 (gnus-widget-reversible
819 (choice (function-item gnus-thread-sort-by-number)
820 (function-item gnus-thread-sort-by-author)
821 (function-item gnus-thread-sort-by-recipient)
822 (function-item gnus-thread-sort-by-subject)
823 (function-item gnus-thread-sort-by-date)
824 (function-item gnus-thread-sort-by-score)
825 (function-item gnus-thread-sort-by-most-recent-number)
826 (function-item gnus-thread-sort-by-most-recent-date)
827 (function-item gnus-thread-sort-by-random)
828 (function-item gnus-thread-sort-by-total-score)
829 (function :tag "other"))
830 (boolean :tag "Reverse order"))))
832 (defcustom gnus-thread-score-function '+
833 "*Function used for calculating the total score of a thread.
835 The function is called with the scores of the article and each
836 subthread and should then return the score of the thread.
838 Some functions you can use are `+', `max', or `min'."
839 :group 'gnus-summary-sort
842 (defcustom gnus-summary-expunge-below nil
843 "All articles that have a score less than this variable will be expunged.
844 This variable is local to the summary buffers."
845 :group 'gnus-score-default
846 :type '(choice (const :tag "off" nil)
849 (defcustom gnus-thread-expunge-below nil
850 "All threads that have a total score less than this variable will be expunged.
851 See `gnus-thread-score-function' for en explanation of what a
854 This variable is local to the summary buffers."
855 :group 'gnus-threading
856 :group 'gnus-score-default
857 :type '(choice (const :tag "off" nil)
860 (defcustom gnus-summary-mode-hook nil
861 "*A hook for Gnus summary mode.
862 This hook is run before any variables are set in the summary buffer."
863 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
864 :group 'gnus-summary-various
867 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
868 (when (featurep 'xemacs)
869 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
870 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
871 (add-hook 'gnus-summary-mode-hook
872 'gnus-xmas-switch-horizontal-scrollbar-off))
874 (defcustom gnus-summary-menu-hook nil
875 "*Hook run after the creation of the summary mode menu."
876 :group 'gnus-summary-visual
879 (defcustom gnus-summary-exit-hook nil
880 "*A hook called on exit from the summary buffer.
881 It will be called with point in the group buffer."
882 :group 'gnus-summary-exit
885 (defcustom gnus-summary-prepare-hook nil
886 "*A hook called after the summary buffer has been generated.
887 If you want to modify the summary buffer, you can use this hook."
888 :group 'gnus-summary-various
891 (defcustom gnus-summary-prepared-hook nil
892 "*A hook called as the last thing after the summary buffer has been generated."
893 :group 'gnus-summary-various
896 (defcustom gnus-summary-generate-hook nil
897 "*A hook run just before generating the summary buffer.
898 This hook is commonly used to customize threading variables and the
900 :group 'gnus-summary-various
903 (defcustom gnus-select-group-hook nil
904 "*A hook called when a newsgroup is selected.
906 If you'd like to simplify subjects like the
907 `gnus-summary-next-same-subject' command does, you can use the
910 (add-hook gnus-select-group-hook
912 (mapcar (lambda (header)
913 (mail-header-set-subject
915 (gnus-simplify-subject
916 (mail-header-subject header) 're-only)))
917 gnus-newsgroup-headers)))"
918 :group 'gnus-group-select
921 (defcustom gnus-select-article-hook nil
922 "*A hook called when an article is selected."
923 :group 'gnus-summary-choose
924 :options '(gnus-agent-fetch-selected-article)
927 (defcustom gnus-visual-mark-article-hook
928 (list 'gnus-highlight-selected-summary)
929 "*Hook run after selecting an article in the summary buffer.
930 It is meant to be used for highlighting the article in some way. It
931 is not run if `gnus-visual' is nil."
932 :group 'gnus-summary-visual
935 (defcustom gnus-parse-headers-hook '(gnus-summary-inherit-default-charset)
936 "*A hook called before parsing the headers."
940 (defcustom gnus-exit-group-hook nil
941 "*A hook called when exiting summary mode.
942 This hook is not called from the non-updating exit commands like `Q'."
946 (defcustom gnus-summary-update-hook
947 (list 'gnus-summary-highlight-line)
948 "*A hook called when a summary line is changed.
949 The hook will not be called if `gnus-visual' is nil.
951 The default function `gnus-summary-highlight-line' will
952 highlight the line according to the `gnus-summary-highlight'
954 :group 'gnus-summary-visual
957 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
958 "*A hook called when an article is selected for the first time.
959 The hook is intended to mark an article as read (or unread)
960 automatically when it is selected."
961 :group 'gnus-summary-choose
964 (defcustom gnus-group-no-more-groups-hook nil
965 "*A hook run when returning to group mode having no more (unread) groups."
966 :group 'gnus-group-select
969 (defcustom gnus-ps-print-hook nil
970 "*A hook run before ps-printing something from Gnus."
974 (defcustom gnus-summary-article-move-hook nil
975 "*A hook called after an article is moved, copied, respooled, or crossposted."
980 (defcustom gnus-summary-article-delete-hook nil
981 "*A hook called after an article is deleted."
986 (defcustom gnus-summary-article-expire-hook nil
987 "*A hook called after an article is expired."
992 (defcustom gnus-summary-display-arrow
993 (and (fboundp 'display-graphic-p)
995 "*If non-nil, display an arrow highlighting the current article."
1000 (defcustom gnus-summary-selected-face 'gnus-summary-selected
1001 "Face used for highlighting the current article in the summary buffer."
1002 :group 'gnus-summary-visual
1005 (defvar gnus-tmp-downloaded nil)
1007 (defcustom gnus-summary-highlight
1008 '(((eq mark gnus-canceled-mark)
1009 . gnus-summary-cancelled)
1010 ((and uncached (> score default-high))
1011 . gnus-summary-high-undownloaded)
1012 ((and uncached (< score default-low))
1013 . gnus-summary-low-undownloaded)
1015 . gnus-summary-normal-undownloaded)
1016 ((and (> score default-high)
1017 (or (eq mark gnus-dormant-mark)
1018 (eq mark gnus-ticked-mark)))
1019 . gnus-summary-high-ticked)
1020 ((and (< score default-low)
1021 (or (eq mark gnus-dormant-mark)
1022 (eq mark gnus-ticked-mark)))
1023 . gnus-summary-low-ticked)
1024 ((or (eq mark gnus-dormant-mark)
1025 (eq mark gnus-ticked-mark))
1026 . gnus-summary-normal-ticked)
1027 ((and (> score default-high) (eq mark gnus-ancient-mark))
1028 . gnus-summary-high-ancient)
1029 ((and (< score default-low) (eq mark gnus-ancient-mark))
1030 . gnus-summary-low-ancient)
1031 ((eq mark gnus-ancient-mark)
1032 . gnus-summary-normal-ancient)
1033 ((and (> score default-high) (eq mark gnus-unread-mark))
1034 . gnus-summary-high-unread)
1035 ((and (< score default-low) (eq mark gnus-unread-mark))
1036 . gnus-summary-low-unread)
1037 ((eq mark gnus-unread-mark)
1038 . gnus-summary-normal-unread)
1039 ((> score default-high)
1040 . gnus-summary-high-read)
1041 ((< score default-low)
1042 . gnus-summary-low-read)
1044 . gnus-summary-normal-read))
1045 "*Controls the highlighting of summary buffer lines.
1047 A list of (FORM . FACE) pairs. When deciding how a a particular
1048 summary line should be displayed, each form is evaluated. The content
1049 of the face field after the first true form is used. You can change
1050 how those summary lines are displayed, by editing the face field.
1052 You can use the following variables in the FORM field.
1054 score: The article's score
1055 default: The default article score.
1056 default-high: The default score for high scored articles.
1057 default-low: The default score for low scored articles.
1058 below: The score below which articles are automatically marked as read.
1059 mark: The article's mark.
1060 uncached: Non-nil if the article is uncached."
1061 :group 'gnus-summary-visual
1062 :type '(repeat (cons (sexp :tag "Form" nil)
1065 (defcustom gnus-alter-header-function nil
1066 "Function called to allow alteration of article header structures.
1067 The function is called with one parameter, the article header vector,
1068 which it may alter in any way."
1069 :type '(choice (const :tag "None" nil)
1071 :group 'gnus-summary)
1073 (defvar gnus-decode-encoded-word-function
1074 (mime-find-field-decoder 'From 'nov)
1075 "Variable that says which function should be used to decode a string with encoded words.")
1077 (defcustom gnus-extra-headers '(To Newsgroups)
1078 "*Extra headers to parse."
1080 :group 'gnus-summary
1081 :type '(repeat symbol))
1083 (defcustom gnus-ignored-from-addresses
1084 (and user-mail-address
1085 (not (string= user-mail-address ""))
1086 (regexp-quote user-mail-address))
1087 "*Regexp of From headers that may be suppressed in favor of To headers."
1089 :group 'gnus-summary
1092 (defcustom gnus-summary-to-prefix "-> "
1093 "*String prefixed to the To field in the summary line when
1094 using `gnus-ignored-from-addresses'."
1096 :group 'gnus-summary
1099 (defcustom gnus-summary-newsgroup-prefix "=> "
1100 "*String prefixed to the Newsgroup field in the summary
1101 line when using `gnus-ignored-from-addresses'."
1103 :group 'gnus-summary
1106 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1107 "List of charsets that should be ignored.
1108 When these charsets are used in the \"charset\" parameter, the
1109 default charset will be used instead."
1111 :type '(repeat symbol)
1112 :group 'gnus-charset)
1114 (gnus-define-group-parameter
1118 "Return the ignored charsets of GROUP."
1119 :variable gnus-group-ignored-charsets-alist
1121 '(("alt\\.chinese\\.text" iso-8859-1))
1123 "Alist of regexps (to match group names) and charsets that should be ignored.
1124 When these charsets are used in the \"charset\" parameter, the
1125 default charset will be used instead."
1126 :variable-group gnus-charset
1127 :variable-type '(repeat (cons (regexp :tag "Group")
1129 :parameter-type '(choice :tag "Ignored charsets"
1132 :parameter-document "\
1133 List of charsets that should be ignored.
1135 When these charsets are used in the \"charset\" parameter, the
1136 default charset will be used instead.")
1138 (defcustom gnus-group-highlight-words-alist nil
1139 "Alist of group regexps and highlight regexps.
1140 This variable uses the same syntax as `gnus-emphasis-alist'."
1142 :type '(repeat (cons (regexp :tag "Group")
1143 (repeat (list (regexp :tag "Highlight regexp")
1144 (number :tag "Group for entire word" 0)
1145 (number :tag "Group for displayed part" 0)
1147 gnus-emphasis-highlight-words)))))
1148 :group 'gnus-summary-visual)
1150 (defcustom gnus-use-wheel nil
1151 "Use Intelli-mouse on summary movement"
1153 :group 'gnus-summary-maneuvering)
1155 (defcustom gnus-wheel-scroll-amount '(5 . 1)
1156 "Amount to scroll messages by spinning the mouse wheel.
1157 This is actually a cons cell, where the first item is the amount to scroll
1158 on a normal wheel event, and the second is the amount to scroll when the
1159 wheel is moved with the shift key depressed."
1160 :type '(cons (integer :tag "Shift") integer)
1161 :group 'gnus-summary-maneuvering)
1163 (defcustom gnus-wheel-edge-resistance 2
1164 "How hard it should be to change the current article
1165 by moving the mouse over the edge of the article window."
1167 :group 'gnus-summary-maneuvering)
1169 (defcustom gnus-summary-show-article-charset-alist
1171 "Alist of number and charset.
1172 The article will be shown with the charset corresponding to the
1174 For example: ((1 . cn-gb-2312) (2 . big5))."
1176 :type '(repeat (cons (number :tag "Argument" 1)
1177 (symbol :tag "Charset")))
1178 :group 'gnus-charset)
1180 (defcustom gnus-preserve-marks t
1181 "Whether marks are preserved when moving, copying and respooling messages."
1184 :group 'gnus-summary-marks)
1186 (defcustom gnus-alter-articles-to-read-function nil
1187 "Function to be called to alter the list of articles to be selected."
1188 :type '(choice (const nil) function)
1189 :group 'gnus-summary)
1191 (defcustom gnus-orphan-score nil
1192 "*All orphans get this score added. Set in the score file."
1193 :group 'gnus-score-default
1194 :type '(choice (const nil)
1197 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1198 "*A regexp to match MIME parts when saving multiple parts of a
1199 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1200 This regexp will be used by default when prompting the user for which
1201 type of files to save."
1202 :group 'gnus-summary
1205 (defcustom gnus-read-all-available-headers nil
1206 "Whether Gnus should parse all headers made available to it.
1207 This is mostly relevant for slow back ends where the user may
1208 wish to widen the summary buffer to include all headers
1209 that were fetched. Say, for nnultimate groups."
1211 :group 'gnus-summary
1212 :type '(choice boolean regexp))
1214 (defcustom gnus-summary-muttprint-program "muttprint"
1215 "Command (and optional arguments) used to run Muttprint."
1217 :group 'gnus-summary
1220 (defcustom gnus-article-loose-mime t
1221 "If non-nil, don't require MIME-Version header.
1222 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1223 supply the MIME-Version header or deliberately strip it from the mail.
1224 If non-nil (the default), Gnus will treat some articles as MIME
1225 even if the MIME-Version header is missing."
1228 :group 'gnus-article-mime)
1230 (defcustom gnus-article-emulate-mime t
1231 "If non-nil, use MIME emulation for uuencode and the like.
1232 This means that Gnus will search message bodies for text that look
1233 like uuencoded bits, yEncoded bits, and so on, and present that using
1234 the normal Gnus MIME machinery."
1237 :group 'gnus-article-mime)
1239 ;;; Internal variables
1241 (defvar gnus-summary-display-cache nil)
1242 (defvar gnus-article-mime-handles nil)
1243 (defvar gnus-article-decoded-p nil)
1244 (defvar gnus-article-charset nil)
1245 (defvar gnus-article-ignored-charsets nil)
1246 (defvar gnus-scores-exclude-files nil)
1247 (defvar gnus-page-broken nil)
1249 (defvar gnus-original-article nil)
1250 (defvar gnus-article-internal-prepare-hook nil)
1251 (defvar gnus-newsgroup-process-stack nil)
1253 (defvar gnus-thread-indent-array nil)
1254 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1255 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1256 "Function called to sort the articles within a thread after it has been gathered together.")
1258 (defvar gnus-summary-save-parts-type-history nil)
1259 (defvar gnus-summary-save-parts-last-directory nil)
1261 ;; Avoid highlighting in kill files.
1262 (defvar gnus-summary-inhibit-highlight nil)
1263 (defvar gnus-newsgroup-selected-overlay nil)
1264 (defvar gnus-inhibit-limiting nil)
1265 (defvar gnus-newsgroup-adaptive-score-file nil)
1266 (defvar gnus-current-score-file nil)
1267 (defvar gnus-current-move-group nil)
1268 (defvar gnus-current-copy-group nil)
1269 (defvar gnus-current-crosspost-group nil)
1270 (defvar gnus-newsgroup-display nil)
1272 (defvar gnus-newsgroup-dependencies nil)
1273 (defvar gnus-newsgroup-adaptive nil)
1274 (defvar gnus-summary-display-article-function nil)
1275 (defvar gnus-summary-highlight-line-function nil
1276 "Function called after highlighting a summary line.")
1278 (defvar gnus-summary-line-format-alist
1279 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1280 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1281 (?s gnus-tmp-subject-or-nil ?s)
1282 (?n gnus-tmp-name ?s)
1283 (?A (std11-address-string
1284 (car (mime-entity-read-field gnus-tmp-header 'From))) ?s)
1285 (?a (or (std11-full-name-string
1286 (car (mime-entity-read-field gnus-tmp-header 'From)))
1288 (?F gnus-tmp-from ?s)
1289 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1290 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1291 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1292 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1293 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1294 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1295 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1296 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1297 (?L gnus-tmp-lines ?s)
1298 (?O gnus-tmp-downloaded ?c)
1299 (?I gnus-tmp-indentation ?s)
1300 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1301 (?R gnus-tmp-replied ?c)
1302 (?\[ gnus-tmp-opening-bracket ?c)
1303 (?\] gnus-tmp-closing-bracket ?c)
1304 (?\> (make-string gnus-tmp-level ? ) ?s)
1305 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1306 (?i gnus-tmp-score ?d)
1307 (?z gnus-tmp-score-char ?c)
1308 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1309 (?U gnus-tmp-unread ?c)
1310 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1312 (?t (gnus-summary-number-of-articles-in-thread
1313 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1315 (?e (gnus-summary-number-of-articles-in-thread
1316 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1318 (?u gnus-tmp-user-defined ?s)
1319 (?P (gnus-pick-line-number) ?d)
1320 (?B gnus-tmp-thread-tree-header-string ?s)
1321 (user-date (gnus-user-date
1322 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1323 "An alist of format specifications that can appear in summary lines.
1324 These are paired with what variables they correspond with, along with
1325 the type of the variable (string, integer, character, etc).")
1327 (defvar gnus-summary-dummy-line-format-alist
1328 `((?S gnus-tmp-subject ?s)
1329 (?N gnus-tmp-number ?d)
1330 (?u gnus-tmp-user-defined ?s)))
1332 (defvar gnus-summary-mode-line-format-alist
1333 `((?G gnus-tmp-group-name ?s)
1334 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1335 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1336 (?A gnus-tmp-article-number ?d)
1337 (?Z gnus-tmp-unread-and-unselected ?s)
1338 (?V gnus-version ?s)
1339 (?U gnus-tmp-unread-and-unticked ?d)
1340 (?S gnus-tmp-subject ?s)
1341 (?e gnus-tmp-unselected ?d)
1342 (?u gnus-tmp-user-defined ?s)
1343 (?d (length gnus-newsgroup-dormant) ?d)
1344 (?t (length gnus-newsgroup-marked) ?d)
1345 (?h (length gnus-newsgroup-spam-marked) ?d)
1346 (?r (length gnus-newsgroup-reads) ?d)
1347 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1348 (?E gnus-newsgroup-expunged-tally ?d)
1349 (?s (gnus-current-score-file-nondirectory) ?s)))
1351 (defvar gnus-last-search-regexp nil
1352 "Default regexp for article search command.")
1354 (defvar gnus-summary-search-article-matched-data nil
1355 "Last matched data of article search command. It is the local variable
1356 in `gnus-article-buffer' which consists of the list of start position,
1357 end position and text.")
1359 (defvar gnus-last-shell-command nil
1360 "Default shell command on article.")
1362 (defvar gnus-newsgroup-agentized nil
1363 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1364 (defvar gnus-newsgroup-begin nil)
1365 (defvar gnus-newsgroup-end nil)
1366 (defvar gnus-newsgroup-last-rmail nil)
1367 (defvar gnus-newsgroup-last-mail nil)
1368 (defvar gnus-newsgroup-last-folder nil)
1369 (defvar gnus-newsgroup-last-file nil)
1370 (defvar gnus-newsgroup-auto-expire nil)
1371 (defvar gnus-newsgroup-active nil)
1373 (defvar gnus-newsgroup-data nil)
1374 (defvar gnus-newsgroup-data-reverse nil)
1375 (defvar gnus-newsgroup-limit nil)
1376 (defvar gnus-newsgroup-limits nil)
1377 (defvar gnus-summary-use-undownloaded-faces nil)
1379 (defvar gnus-newsgroup-unreads nil
1380 "Sorted list of unread articles in the current newsgroup.")
1382 (defvar gnus-newsgroup-unselected nil
1383 "Sorted list of unselected unread articles in the current newsgroup.")
1385 (defvar gnus-newsgroup-reads nil
1386 "Alist of read articles and article marks in the current newsgroup.")
1388 (defvar gnus-newsgroup-expunged-tally nil)
1390 (defvar gnus-newsgroup-marked nil
1391 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1393 (defvar gnus-newsgroup-spam-marked nil
1394 "List of ranges of articles that have been marked as spam.")
1396 (defvar gnus-newsgroup-killed nil
1397 "List of ranges of articles that have been through the scoring process.")
1399 (defvar gnus-newsgroup-cached nil
1400 "Sorted list of articles that come from the article cache.")
1402 (defvar gnus-newsgroup-saved nil
1403 "List of articles that have been saved.")
1405 (defvar gnus-newsgroup-kill-headers nil)
1407 (defvar gnus-newsgroup-replied nil
1408 "List of articles that have been replied to in the current newsgroup.")
1410 (defvar gnus-newsgroup-forwarded nil
1411 "List of articles that have been forwarded in the current newsgroup.")
1413 (defvar gnus-newsgroup-recent nil
1414 "List of articles that have are recent in the current newsgroup.")
1416 (defvar gnus-newsgroup-expirable nil
1417 "Sorted list of articles in the current newsgroup that can be expired.")
1419 (defvar gnus-newsgroup-processable nil
1420 "List of articles in the current newsgroup that can be processed.")
1422 (defvar gnus-newsgroup-downloadable nil
1423 "Sorted list of articles in the current newsgroup that can be processed.")
1425 (defvar gnus-newsgroup-unfetched nil
1426 "Sorted list of articles in the current newsgroup whose headers have
1427 not been fetched into the agent.
1429 This list will always be a subset of gnus-newsgroup-undownloaded.")
1431 (defvar gnus-newsgroup-undownloaded nil
1432 "List of articles in the current newsgroup that haven't been downloaded.")
1434 (defvar gnus-newsgroup-unsendable nil
1435 "List of articles in the current newsgroup that won't be sent.")
1437 (defvar gnus-newsgroup-bookmarks nil
1438 "List of articles in the current newsgroup that have bookmarks.")
1440 (defvar gnus-newsgroup-dormant nil
1441 "Sorted list of dormant articles in the current newsgroup.")
1443 (defvar gnus-newsgroup-unseen nil
1444 "List of unseen articles in the current newsgroup.")
1446 (defvar gnus-newsgroup-seen nil
1447 "Range of seen articles in the current newsgroup.")
1449 (defvar gnus-newsgroup-articles nil
1450 "List of articles in the current newsgroup.")
1452 (defvar gnus-newsgroup-scored nil
1453 "List of scored articles in the current newsgroup.")
1455 (defvar gnus-newsgroup-incorporated nil
1456 "List of incorporated articles in the current newsgroup.")
1458 (defvar gnus-newsgroup-headers nil
1459 "List of article headers in the current newsgroup.")
1461 (defvar gnus-newsgroup-threads nil)
1463 (defvar gnus-newsgroup-prepared nil
1464 "Whether the current group has been prepared properly.")
1466 (defvar gnus-newsgroup-ancient nil
1467 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1469 (defvar gnus-newsgroup-sparse nil)
1471 (defvar gnus-current-article nil)
1472 (defvar gnus-article-current nil)
1473 (defvar gnus-current-headers nil)
1474 (defvar gnus-have-all-headers nil)
1475 (defvar gnus-last-article nil)
1476 (defvar gnus-newsgroup-history nil)
1477 (defvar gnus-newsgroup-charset nil)
1478 (defvar gnus-newsgroup-ephemeral-charset nil)
1479 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1481 (defvar gnus-article-before-search nil)
1483 (defvar gnus-summary-local-variables
1484 '(gnus-newsgroup-name
1485 gnus-newsgroup-begin gnus-newsgroup-end
1486 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1487 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1488 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1489 gnus-newsgroup-unselected gnus-newsgroup-marked
1490 gnus-newsgroup-spam-marked
1491 gnus-newsgroup-reads gnus-newsgroup-saved
1492 gnus-newsgroup-replied gnus-newsgroup-forwarded
1493 gnus-newsgroup-recent
1494 gnus-newsgroup-expirable
1495 gnus-newsgroup-processable gnus-newsgroup-killed
1496 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1497 gnus-newsgroup-unfetched
1498 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1499 gnus-newsgroup-seen gnus-newsgroup-articles
1500 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1501 gnus-newsgroup-headers gnus-newsgroup-threads
1502 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1503 gnus-current-article gnus-current-headers gnus-have-all-headers
1504 gnus-last-article gnus-article-internal-prepare-hook
1505 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1506 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1507 gnus-thread-expunge-below
1508 gnus-score-alist gnus-current-score-file
1509 (gnus-summary-expunge-below . global)
1510 (gnus-summary-mark-below . global)
1511 (gnus-orphan-score . global)
1512 gnus-newsgroup-active gnus-scores-exclude-files
1513 gnus-newsgroup-history gnus-newsgroup-ancient
1514 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1515 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1516 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1517 (gnus-newsgroup-expunged-tally . 0)
1518 gnus-cache-removable-articles gnus-newsgroup-cached
1519 gnus-newsgroup-data gnus-newsgroup-data-reverse
1520 gnus-newsgroup-limit gnus-newsgroup-limits
1521 gnus-newsgroup-charset gnus-newsgroup-display
1522 gnus-summary-use-undownloaded-faces
1523 gnus-newsgroup-incorporated)
1524 "Variables that are buffer-local to the summary buffers.")
1526 (defvar gnus-newsgroup-variables nil
1527 "A list of variables that have separate values in different newsgroups.
1528 A list of newsgroup (summary buffer) local variables, or cons of
1529 variables and their default expressions to be evalled (when the default
1530 values are not nil), that should be made global while the summary buffer
1533 Note: The default expressions will be evaluated (using function `eval')
1534 before assignment to the local variable rather than just assigned to it.
1535 If the default expression is the symbol `global', that symbol will not
1536 be evaluated but the global value of the local variable will be used
1539 These variables can be used to set variables in the group parameters
1540 while still allowing them to affect operations done in other buffers.
1543 \(setq gnus-newsgroup-variables
1544 '(message-use-followup-to
1545 (gnus-visible-headers .
1546 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1549 ;; Byte-compiler warning.
1551 ;; Bind features so that require will believe that gnus-sum has
1552 ;; already been loaded (avoids infinite recursion)
1553 (let ((features (cons 'gnus-sum features)))
1554 ;; Several of the declarations in gnus-sum are needed to load the
1555 ;; following files. Right now, these definitions have been
1556 ;; compiled but not defined (evaluated). We could either do a
1557 ;; eval-and-compile about all of the declarations or evaluate the
1559 (if (boundp 'gnus-newsgroup-variables)
1561 (load "gnus-sum.el" t t t))
1563 (require 'gnus-art)))
1565 ;; Subject simplification.
1567 (defun gnus-simplify-whitespace (str)
1568 "Remove excessive whitespace from STR."
1570 (while (string-match "[ \t][ \t]+" str)
1571 (setq str (concat (substring str 0 (match-beginning 0))
1573 (substring str (match-end 0)))))
1575 (when (string-match "^[ \t]+" str)
1576 (setq str (substring str (match-end 0))))
1578 (when (string-match "[ \t]+$" str)
1579 (setq str (substring str 0 (match-beginning 0))))
1582 (defun gnus-simplify-all-whitespace (str)
1583 "Remove all whitespace from STR."
1584 (while (string-match "[ \t\n]+" str)
1585 (setq str (replace-match "" nil nil str)))
1588 (defsubst gnus-simplify-subject-re (subject)
1589 "Remove \"Re:\" from subject lines."
1590 (if (string-match message-subject-re-regexp subject)
1591 (substring subject (match-end 0))
1594 (defun gnus-simplify-subject (subject &optional re-only)
1595 "Remove `Re:' and words in parentheses.
1596 If RE-ONLY is non-nil, strip leading `Re:'s only."
1597 (let ((case-fold-search t)) ;Ignore case.
1598 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1599 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1600 (setq subject (substring subject (match-end 0))))
1601 ;; Remove uninteresting prefixes.
1602 (when (and (not re-only)
1603 gnus-simplify-ignored-prefixes
1604 (string-match gnus-simplify-ignored-prefixes subject))
1605 (setq subject (substring subject (match-end 0))))
1606 ;; Remove words in parentheses from end.
1608 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1609 (setq subject (substring subject 0 (match-beginning 0)))))
1610 ;; Return subject string.
1613 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1615 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1616 (goto-char (point-min))
1617 (while (re-search-forward regexp nil t)
1618 (replace-match (or newtext ""))))
1620 (defun gnus-simplify-buffer-fuzzy ()
1621 "Simplify string in the buffer fuzzily.
1622 The string in the accessible portion of the current buffer is simplified.
1623 It is assumed to be a single-line subject.
1624 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1625 matter is removed. Additional things can be deleted by setting
1626 `gnus-simplify-subject-fuzzy-regexp'."
1627 (let ((case-fold-search t)
1629 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1631 (while (not (eq modified-tick (buffer-modified-tick)))
1632 (setq modified-tick (buffer-modified-tick))
1634 ((listp gnus-simplify-subject-fuzzy-regexp)
1635 (mapcar 'gnus-simplify-buffer-fuzzy-step
1636 gnus-simplify-subject-fuzzy-regexp))
1637 (gnus-simplify-subject-fuzzy-regexp
1638 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1639 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1640 (gnus-simplify-buffer-fuzzy-step
1641 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1642 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1644 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1645 (gnus-simplify-buffer-fuzzy-step " +" " ")
1646 (gnus-simplify-buffer-fuzzy-step " $")
1647 (gnus-simplify-buffer-fuzzy-step "^ +")))
1649 (defun gnus-simplify-subject-fuzzy (subject)
1650 "Simplify a subject string fuzzily.
1651 See `gnus-simplify-buffer-fuzzy' for details."
1653 (gnus-set-work-buffer)
1654 (let ((case-fold-search t))
1655 ;; Remove uninteresting prefixes.
1656 (when (and gnus-simplify-ignored-prefixes
1657 (string-match gnus-simplify-ignored-prefixes subject))
1658 (setq subject (substring subject (match-end 0))))
1660 (inline (gnus-simplify-buffer-fuzzy))
1663 (defsubst gnus-simplify-subject-fully (subject)
1664 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1666 (gnus-simplify-subject-functions
1667 (gnus-map-function gnus-simplify-subject-functions subject))
1668 ((null gnus-summary-gather-subject-limit)
1669 (gnus-simplify-subject-re subject))
1670 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1671 (gnus-simplify-subject-fuzzy subject))
1672 ((numberp gnus-summary-gather-subject-limit)
1673 (gnus-limit-string (gnus-simplify-subject-re subject)
1674 gnus-summary-gather-subject-limit))
1678 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1679 "Check whether two subjects are equal.
1680 If optional argument SIMPLE-FIRST is t, first argument is already
1683 ((null simple-first)
1684 (equal (gnus-simplify-subject-fully s1)
1685 (gnus-simplify-subject-fully s2)))
1688 (gnus-simplify-subject-fully s2)))))
1690 (defun gnus-summary-bubble-group ()
1691 "Increase the score of the current group.
1692 This is a handy function to add to `gnus-summary-exit-hook' to
1693 increase the score of each group you read."
1694 (gnus-group-add-score gnus-newsgroup-name))
1698 ;;; Gnus summary mode
1701 (put 'gnus-summary-mode 'mode-class 'special)
1703 (defvar gnus-article-commands-menu)
1705 ;; Non-orthogonal keys
1707 (gnus-define-keys gnus-summary-mode-map
1708 " " gnus-summary-next-page
1709 "\177" gnus-summary-prev-page
1710 [delete] gnus-summary-prev-page
1711 [backspace] gnus-summary-prev-page
1712 "\r" gnus-summary-scroll-up
1713 "\M-\r" gnus-summary-scroll-down
1714 "n" gnus-summary-next-unread-article
1715 "p" gnus-summary-prev-unread-article
1716 "N" gnus-summary-next-article
1717 "P" gnus-summary-prev-article
1718 "\M-\C-n" gnus-summary-next-same-subject
1719 "\M-\C-p" gnus-summary-prev-same-subject
1720 "\M-n" gnus-summary-next-unread-subject
1721 "\M-p" gnus-summary-prev-unread-subject
1722 "." gnus-summary-first-unread-article
1723 "," gnus-summary-best-unread-article
1724 "\M-s" gnus-summary-search-article-forward
1725 "\M-r" gnus-summary-search-article-backward
1726 "<" gnus-summary-beginning-of-article
1727 ">" gnus-summary-end-of-article
1728 "j" gnus-summary-goto-article
1729 "^" gnus-summary-refer-parent-article
1730 "\M-^" gnus-summary-refer-article
1731 "u" gnus-summary-tick-article-forward
1732 "!" gnus-summary-tick-article-forward
1733 "U" gnus-summary-tick-article-backward
1734 "d" gnus-summary-mark-as-read-forward
1735 "D" gnus-summary-mark-as-read-backward
1736 "E" gnus-summary-mark-as-expirable
1737 "\M-u" gnus-summary-clear-mark-forward
1738 "\M-U" gnus-summary-clear-mark-backward
1739 "k" gnus-summary-kill-same-subject-and-select
1740 "\C-k" gnus-summary-kill-same-subject
1741 "\M-\C-k" gnus-summary-kill-thread
1742 "\M-\C-l" gnus-summary-lower-thread
1743 "e" gnus-summary-edit-article
1744 "#" gnus-summary-mark-as-processable
1745 "\M-#" gnus-summary-unmark-as-processable
1746 "\M-\C-t" gnus-summary-toggle-threads
1747 "\M-\C-s" gnus-summary-show-thread
1748 "\M-\C-h" gnus-summary-hide-thread
1749 "\M-\C-f" gnus-summary-next-thread
1750 "\M-\C-b" gnus-summary-prev-thread
1751 [(meta down)] gnus-summary-next-thread
1752 [(meta up)] gnus-summary-prev-thread
1753 "\M-\C-u" gnus-summary-up-thread
1754 "\M-\C-d" gnus-summary-down-thread
1755 "&" gnus-summary-execute-command
1756 "c" gnus-summary-catchup-and-exit
1757 "\C-w" gnus-summary-mark-region-as-read
1758 "\C-t" gnus-summary-toggle-truncation
1759 "?" gnus-summary-mark-as-dormant
1760 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1761 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1762 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1763 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1764 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1765 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1766 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1767 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1768 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1769 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1770 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1771 "=" gnus-summary-expand-window
1772 "\C-x\C-s" gnus-summary-reselect-current-group
1773 "\M-g" gnus-summary-rescan-group
1774 "w" gnus-summary-stop-page-breaking
1775 "\C-c\C-r" gnus-summary-caesar-message
1776 "\M-t" gnus-summary-toggle-mime
1777 "f" gnus-summary-followup
1778 "F" gnus-summary-followup-with-original
1779 "C" gnus-summary-cancel-article
1780 "r" gnus-summary-reply
1781 "R" gnus-summary-reply-with-original
1782 "\C-c\C-f" gnus-summary-mail-forward
1783 "o" gnus-summary-save-article
1784 "\C-o" gnus-summary-save-article-mail
1785 "|" gnus-summary-pipe-output
1786 "\M-k" gnus-summary-edit-local-kill
1787 "\M-K" gnus-summary-edit-global-kill
1789 "\C-c\C-d" gnus-summary-describe-group
1790 "q" gnus-summary-exit
1791 "Q" gnus-summary-exit-no-update
1792 "\C-c\C-i" gnus-info-find-node
1793 gnus-mouse-2 gnus-mouse-pick-article
1794 [follow-link] mouse-face
1795 "m" gnus-summary-mail-other-window
1796 "a" gnus-summary-post-news
1797 "i" gnus-summary-news-other-window
1798 "x" gnus-summary-limit-to-unread
1799 "s" gnus-summary-isearch-article
1800 "t" gnus-summary-toggle-header
1801 "g" gnus-summary-show-article
1802 "l" gnus-summary-goto-last-article
1803 "v" gnus-summary-preview-mime-message
1804 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1805 "\C-d" gnus-summary-enter-digest-group
1806 "\M-\C-d" gnus-summary-read-document
1807 "\M-\C-e" gnus-summary-edit-parameters
1808 "\M-\C-a" gnus-summary-customize-parameters
1810 "\C-c\C-n" gnus-namazu-search
1811 "*" gnus-cache-enter-article
1812 "\M-*" gnus-cache-remove-article
1813 "\M-&" gnus-summary-universal-argument
1814 "\C-l" gnus-recenter
1815 "I" gnus-summary-increase-score
1816 "L" gnus-summary-lower-score
1817 "\M-i" gnus-symbolic-argument
1818 "h" gnus-summary-select-article-buffer
1820 "V" gnus-summary-score-map
1821 "X" gnus-uu-extract-map
1822 "S" gnus-summary-send-map)
1824 ;; Sort of orthogonal keymap
1825 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1826 "t" gnus-summary-tick-article-forward
1827 "!" gnus-summary-tick-article-forward
1828 "d" gnus-summary-mark-as-read-forward
1829 "r" gnus-summary-mark-as-read-forward
1830 "c" gnus-summary-clear-mark-forward
1831 " " gnus-summary-clear-mark-forward
1832 "e" gnus-summary-mark-as-expirable
1833 "x" gnus-summary-mark-as-expirable
1834 "?" gnus-summary-mark-as-dormant
1835 "b" gnus-summary-set-bookmark
1836 "B" gnus-summary-remove-bookmark
1837 "#" gnus-summary-mark-as-processable
1838 "\M-#" gnus-summary-unmark-as-processable
1839 "S" gnus-summary-limit-include-expunged
1840 "C" gnus-summary-catchup
1841 "H" gnus-summary-catchup-to-here
1842 "h" gnus-summary-catchup-from-here
1843 "\C-c" gnus-summary-catchup-all
1844 "k" gnus-summary-kill-same-subject-and-select
1845 "K" gnus-summary-kill-same-subject
1846 "P" gnus-uu-mark-map)
1848 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1849 "c" gnus-summary-clear-above
1850 "u" gnus-summary-tick-above
1851 "m" gnus-summary-mark-above
1852 "k" gnus-summary-kill-below)
1854 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1855 "/" gnus-summary-limit-to-subject
1856 "n" gnus-summary-limit-to-articles
1857 "w" gnus-summary-pop-limit
1858 "s" gnus-summary-limit-to-subject
1859 "a" gnus-summary-limit-to-author
1860 "u" gnus-summary-limit-to-unread
1861 "m" gnus-summary-limit-to-marks
1862 "M" gnus-summary-limit-exclude-marks
1863 "v" gnus-summary-limit-to-score
1864 "*" gnus-summary-limit-include-cached
1865 "D" gnus-summary-limit-include-dormant
1866 "T" gnus-summary-limit-include-thread
1867 "d" gnus-summary-limit-exclude-dormant
1868 "t" gnus-summary-limit-to-age
1869 "." gnus-summary-limit-to-unseen
1870 "x" gnus-summary-limit-to-extra
1871 "p" gnus-summary-limit-to-display-predicate
1872 "E" gnus-summary-limit-include-expunged
1873 "c" gnus-summary-limit-exclude-childless-dormant
1874 "C" gnus-summary-limit-mark-excluded-as-read
1875 "o" gnus-summary-insert-old-articles
1876 "N" gnus-summary-insert-new-articles
1877 "r" gnus-summary-limit-to-replied
1878 "R" gnus-summary-limit-to-recipient)
1880 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1881 "n" gnus-summary-next-unread-article
1882 "p" gnus-summary-prev-unread-article
1883 "N" gnus-summary-next-article
1884 "P" gnus-summary-prev-article
1885 "\C-n" gnus-summary-next-same-subject
1886 "\C-p" gnus-summary-prev-same-subject
1887 "\M-n" gnus-summary-next-unread-subject
1888 "\M-p" gnus-summary-prev-unread-subject
1889 "f" gnus-summary-first-unread-article
1890 "b" gnus-summary-best-unread-article
1891 "j" gnus-summary-goto-article
1892 "g" gnus-summary-goto-subject
1893 "l" gnus-summary-goto-last-article
1894 "o" gnus-summary-pop-article)
1896 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1897 "k" gnus-summary-kill-thread
1898 "l" gnus-summary-lower-thread
1899 "i" gnus-summary-raise-thread
1900 "T" gnus-summary-toggle-threads
1901 "t" gnus-summary-rethread-current
1902 "^" gnus-summary-reparent-thread
1903 "s" gnus-summary-show-thread
1904 "S" gnus-summary-show-all-threads
1905 "h" gnus-summary-hide-thread
1906 "H" gnus-summary-hide-all-threads
1907 "n" gnus-summary-next-thread
1908 "p" gnus-summary-prev-thread
1909 "u" gnus-summary-up-thread
1910 "o" gnus-summary-top-thread
1911 "d" gnus-summary-down-thread
1912 "#" gnus-uu-mark-thread
1913 "\M-#" gnus-uu-unmark-thread)
1915 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1916 "g" gnus-summary-prepare
1917 "c" gnus-summary-insert-cached-articles
1918 "d" gnus-summary-insert-dormant-articles)
1920 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1921 "c" gnus-summary-catchup-and-exit
1922 "C" gnus-summary-catchup-all-and-exit
1923 "E" gnus-summary-exit-no-update
1924 "J" gnus-summary-jump-to-other-group
1925 "Q" gnus-summary-exit
1926 "Z" gnus-summary-exit
1927 "n" gnus-summary-catchup-and-goto-next-group
1928 "p" gnus-summary-catchup-and-goto-prev-group
1929 "R" gnus-summary-reselect-current-group
1930 "G" gnus-summary-rescan-group
1931 "N" gnus-summary-next-group
1932 "s" gnus-summary-save-newsrc
1933 "P" gnus-summary-prev-group)
1935 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1936 " " gnus-summary-next-page
1937 "n" gnus-summary-next-page
1938 "\177" gnus-summary-prev-page
1939 [delete] gnus-summary-prev-page
1940 "p" gnus-summary-prev-page
1941 "\r" gnus-summary-scroll-up
1942 "\M-\r" gnus-summary-scroll-down
1943 "<" gnus-summary-beginning-of-article
1944 ">" gnus-summary-end-of-article
1945 "b" gnus-summary-beginning-of-article
1946 "e" gnus-summary-end-of-article
1947 "^" gnus-summary-refer-parent-article
1948 "r" gnus-summary-refer-parent-article
1949 "D" gnus-summary-enter-digest-group
1950 "R" gnus-summary-refer-references
1951 "T" gnus-summary-refer-thread
1952 "g" gnus-summary-show-article
1953 "s" gnus-summary-isearch-article
1954 "P" gnus-summary-print-article
1955 "M" gnus-mailing-list-insinuate
1956 "t" gnus-article-babel)
1958 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1959 "b" gnus-article-add-buttons
1960 "B" gnus-article-add-buttons-to-head
1961 "o" gnus-article-treat-overstrike
1962 "e" gnus-article-emphasize
1963 "w" gnus-article-fill-cited-article
1964 "Q" gnus-article-fill-long-lines
1965 "C" gnus-article-capitalize-sentences
1966 "c" gnus-article-remove-cr
1967 "Z" gnus-article-decode-HZ
1968 "A" gnus-article-treat-ansi-sequences
1969 "h" gnus-article-wash-html
1970 "u" gnus-article-unsplit-urls
1971 "f" gnus-article-display-x-face
1972 "l" gnus-summary-stop-page-breaking
1973 "r" gnus-summary-caesar-message
1974 "m" gnus-summary-morse-message
1975 "t" gnus-summary-toggle-header
1976 "g" gnus-treat-smiley
1977 "v" gnus-summary-verbose-headers
1978 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1979 "p" gnus-article-verify-x-pgp-sig
1980 "d" gnus-article-treat-dumbquotes
1981 "i" gnus-summary-idna-message)
1983 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1984 ;; mnemonic: deuglif*Y*
1985 "u" gnus-article-outlook-unwrap-lines
1986 "a" gnus-article-outlook-repair-attribution
1987 "c" gnus-article-outlook-rearrange-citation
1988 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1990 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1991 "a" gnus-article-hide
1992 "h" gnus-article-hide-headers
1993 "b" gnus-article-hide-boring-headers
1994 "s" gnus-article-hide-signature
1995 "c" gnus-article-hide-citation
1996 "C" gnus-article-hide-citation-in-followups
1997 "l" gnus-article-hide-list-identifiers
1998 "B" gnus-article-strip-banner
1999 "P" gnus-article-hide-pem
2000 "\C-c" gnus-article-hide-citation-maybe)
2002 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2003 "a" gnus-article-highlight
2004 "h" gnus-article-highlight-headers
2005 "c" gnus-article-highlight-citation
2006 "s" gnus-article-highlight-signature)
2008 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2009 "f" gnus-article-treat-fold-headers
2010 "u" gnus-article-treat-unfold-headers
2011 "n" gnus-article-treat-fold-newsgroups)
2013 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2014 "x" gnus-article-display-x-face
2015 "d" gnus-article-display-face
2016 "s" gnus-treat-smiley
2017 "D" gnus-article-remove-images
2018 "f" gnus-treat-from-picon
2019 "m" gnus-treat-mail-picon
2020 "n" gnus-treat-newsgroups-picon)
2022 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2023 "z" gnus-article-date-ut
2024 "u" gnus-article-date-ut
2025 "l" gnus-article-date-local
2026 "p" gnus-article-date-english
2027 "e" gnus-article-date-lapsed
2028 "o" gnus-article-date-original
2029 "i" gnus-article-date-iso8601
2030 "s" gnus-article-date-user)
2032 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2033 "t" gnus-article-remove-trailing-blank-lines
2034 "l" gnus-article-strip-leading-blank-lines
2035 "m" gnus-article-strip-multiple-blank-lines
2036 "a" gnus-article-strip-blank-lines
2037 "A" gnus-article-strip-all-blank-lines
2038 "s" gnus-article-strip-leading-space
2039 "e" gnus-article-strip-trailing-space
2040 "w" gnus-article-remove-leading-whitespace)
2042 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2044 "f" gnus-summary-fetch-faq
2045 "d" gnus-summary-describe-group
2046 "h" gnus-summary-describe-briefly
2047 "i" gnus-info-find-node
2048 "c" gnus-group-fetch-charter
2049 "C" gnus-group-fetch-control)
2051 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2052 "e" gnus-summary-expire-articles
2053 "\M-\C-e" gnus-summary-expire-articles-now
2054 "\177" gnus-summary-delete-article
2055 [delete] gnus-summary-delete-article
2056 [backspace] gnus-summary-delete-article
2057 "m" gnus-summary-move-article
2058 "r" gnus-summary-respool-article
2059 "w" gnus-summary-edit-article
2060 "c" gnus-summary-copy-article
2061 "B" gnus-summary-crosspost-article
2062 "q" gnus-summary-respool-query
2063 "t" gnus-summary-respool-trace
2064 "i" gnus-summary-import-article
2065 "I" gnus-summary-create-article
2066 "p" gnus-summary-article-posted-p)
2068 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2069 "o" gnus-summary-save-article
2070 "m" gnus-summary-save-article-mail
2071 "F" gnus-summary-write-article-file
2072 "r" gnus-summary-save-article-rmail
2073 "f" gnus-summary-save-article-file
2074 "b" gnus-summary-save-article-body-file
2075 "h" gnus-summary-save-article-folder
2076 "v" gnus-summary-save-article-vm
2077 "p" gnus-summary-pipe-output
2078 "P" gnus-summary-muttprint
2079 "s" gnus-soup-add-article)
2081 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2082 "b" gnus-summary-display-buttonized
2083 "m" gnus-summary-repair-multipart
2084 "v" gnus-article-view-part
2085 "o" gnus-article-save-part
2086 "O" gnus-article-save-part-and-strip
2087 "r" gnus-article-replace-part
2088 "d" gnus-article-delete-part
2089 "j" gnus-article-jump-to-part
2090 "c" gnus-article-copy-part
2091 "C" gnus-article-view-part-as-charset
2092 "e" gnus-article-view-part-externally
2093 "E" gnus-article-encrypt-body
2094 "i" gnus-article-inline-part
2095 "|" gnus-article-pipe-part)
2097 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2098 "p" gnus-summary-mark-as-processable
2099 "u" gnus-summary-unmark-as-processable
2100 "U" gnus-summary-unmark-all-processable
2101 "v" gnus-uu-mark-over
2102 "s" gnus-uu-mark-series
2103 "r" gnus-uu-mark-region
2104 "g" gnus-uu-unmark-region
2105 "R" gnus-uu-mark-by-regexp
2106 "G" gnus-uu-unmark-by-regexp
2107 "t" gnus-uu-mark-thread
2108 "T" gnus-uu-unmark-thread
2109 "a" gnus-uu-mark-all
2110 "b" gnus-uu-mark-buffer
2111 "S" gnus-uu-mark-sparse
2112 "k" gnus-summary-kill-process-mark
2113 "y" gnus-summary-yank-process-mark
2114 "w" gnus-summary-save-process-mark
2115 "i" gnus-uu-invert-processable)
2117 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2118 ;;"x" gnus-uu-extract-any
2119 "m" gnus-summary-save-parts
2120 "u" gnus-uu-decode-uu
2121 "U" gnus-uu-decode-uu-and-save
2122 "s" gnus-uu-decode-unshar
2123 "S" gnus-uu-decode-unshar-and-save
2124 "o" gnus-uu-decode-save
2125 "O" gnus-uu-decode-save
2126 "b" gnus-uu-decode-binhex
2127 "B" gnus-uu-decode-binhex
2128 "p" gnus-uu-decode-postscript
2129 "P" gnus-uu-decode-postscript-and-save)
2132 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2133 "u" gnus-uu-decode-uu-view
2134 "U" gnus-uu-decode-uu-and-save-view
2135 "s" gnus-uu-decode-unshar-view
2136 "S" gnus-uu-decode-unshar-and-save-view
2137 "o" gnus-uu-decode-save-view
2138 "O" gnus-uu-decode-save-view
2139 "b" gnus-uu-decode-binhex-view
2140 "B" gnus-uu-decode-binhex-view
2141 "p" gnus-uu-decode-postscript-view
2142 "P" gnus-uu-decode-postscript-and-save-view)
2144 (defvar gnus-article-post-menu nil)
2146 (defconst gnus-summary-menu-maxlen 20)
2148 (defun gnus-summary-menu-split (menu)
2149 ;; If we have lots of elements, divide them into groups of 20
2150 ;; and make a pane (or submenu) for each one.
2151 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2152 (let ((menu menu) sublists next
2155 ;; Pull off the next gnus-summary-menu-maxlen elements
2156 ;; and make them the next element of sublist.
2157 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2159 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2161 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2162 (aref (car (last menu)) 0)) menu)
2166 (nreverse sublists))
2167 ;; Few elements--put them all in one pane.
2170 (defun gnus-summary-make-menu-bar ()
2171 (gnus-turn-off-edit-menu 'summary)
2173 (unless (boundp 'gnus-summary-misc-menu)
2176 gnus-summary-kill-menu gnus-summary-mode-map ""
2181 ["Customize" gnus-score-customize t])
2182 (gnus-make-score-map 'increase)
2183 (gnus-make-score-map 'lower)
2185 ["Kill below" gnus-summary-kill-below t]
2186 ["Mark above" gnus-summary-mark-above t]
2187 ["Tick above" gnus-summary-tick-above t]
2188 ["Clear above" gnus-summary-clear-above t])
2189 ["Current score" gnus-summary-current-score t]
2190 ["Set score" gnus-summary-set-score t]
2191 ["Switch current score file..." gnus-score-change-score-file t]
2192 ["Set mark below..." gnus-score-set-mark-below t]
2193 ["Set expunge below..." gnus-score-set-expunge-below t]
2194 ["Edit current score file" gnus-score-edit-current-scores t]
2195 ["Edit score file" gnus-score-edit-file t]
2196 ["Trace score" gnus-score-find-trace t]
2197 ["Find words" gnus-score-find-favourite-words t]
2198 ["Rescore buffer" gnus-summary-rescore t]
2199 ["Increase score..." gnus-summary-increase-score t]
2200 ["Lower score..." gnus-summary-lower-score t]))))
2202 ;; Define both the Article menu in the summary buffer and the
2203 ;; equivalent Commands menu in the article buffer here for
2207 ["All" gnus-article-hide t]
2208 ["Headers" gnus-article-hide-headers t]
2209 ["Signature" gnus-article-hide-signature t]
2210 ["Citation" gnus-article-hide-citation t]
2211 ["List identifiers" gnus-article-hide-list-identifiers t]
2212 ["Banner" gnus-article-strip-banner t]
2213 ["Boring headers" gnus-article-hide-boring-headers t])
2215 ["All" gnus-article-highlight t]
2216 ["Headers" gnus-article-highlight-headers t]
2217 ["Signature" gnus-article-highlight-signature t]
2218 ["Citation" gnus-article-highlight-citation t])
2220 ["Local" gnus-article-date-local t]
2221 ["ISO8601" gnus-article-date-iso8601 t]
2222 ["UT" gnus-article-date-ut t]
2223 ["Original" gnus-article-date-original t]
2224 ["Lapsed" gnus-article-date-lapsed t]
2225 ["User-defined" gnus-article-date-user t])
2227 ["Remove images" gnus-article-remove-images t]
2228 ["Toggle smiley" gnus-treat-smiley t]
2229 ["Show X-Face" gnus-article-display-x-face t]
2230 ["Show picons in From" gnus-treat-from-picon t]
2231 ["Show picons in mail headers" gnus-treat-mail-picon t]
2232 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2233 ("View as different encoding"
2234 ,@(gnus-summary-menu-split
2237 ;; Since easymenu under Emacs doesn't allow
2238 ;; lambda forms for menu commands, we should
2239 ;; provide intern'ed function symbols.
2240 (let ((command (intern (format "\
2241 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2245 (let ((gnus-summary-show-article-charset-alist
2247 (gnus-summary-show-article 1))))
2248 `[,(symbol-name cs) ,command t]))
2249 (sort (if (fboundp 'coding-system-list)
2250 (coding-system-list)
2251 ;;(mapcar 'car mm-mime-mule-charset-alist)
2256 ["Leading" gnus-article-strip-leading-blank-lines t]
2257 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2258 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2259 ["All of the above" gnus-article-strip-blank-lines t]
2260 ["All" gnus-article-strip-all-blank-lines t]
2261 ["Leading space" gnus-article-strip-leading-space t]
2262 ["Trailing space" gnus-article-strip-trailing-space t]
2263 ["Leading space in headers"
2264 gnus-article-remove-leading-whitespace t])
2265 ["Overstrike" gnus-article-treat-overstrike t]
2266 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2267 ["Emphasis" gnus-article-emphasize t]
2268 ["Word wrap" gnus-article-fill-cited-article t]
2269 ["Fill long lines" gnus-article-fill-long-lines t]
2270 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2271 ["Remove CR" gnus-article-remove-cr t]
2272 ["Rot 13" gnus-summary-caesar-message
2273 ,@(if (featurep 'xemacs) '(t)
2274 '(:help "\"Caesar rotate\" article by 13"))]
2275 ["De-IDNA" gnus-summary-idna-message t]
2276 ["Morse decode" gnus-summary-morse-message t]
2277 ["Unix pipe..." gnus-summary-pipe-message t]
2278 ["Add buttons" gnus-article-add-buttons t]
2279 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2280 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2281 ["Toggle MIME" gnus-summary-toggle-mime t]
2282 ["Verbose header" gnus-summary-verbose-headers t]
2283 ["Toggle header" gnus-summary-toggle-header t]
2284 ["Unfold headers" gnus-article-treat-unfold-headers t]
2285 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2286 ["Html" gnus-article-wash-html t]
2287 ["Unsplit URLs" gnus-article-unsplit-urls t]
2288 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2289 ["Decode HZ" gnus-article-decode-HZ t]
2290 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2291 ("(Outlook) Deuglify"
2292 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2293 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2294 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2295 ["Full (Outlook) deuglify"
2296 gnus-article-outlook-deuglify-article t])
2299 ["Save in default format..." gnus-summary-save-article
2300 ,@(if (featurep 'xemacs) '(t)
2301 '(:help "Save article using default method"))]
2302 ["Save in file..." gnus-summary-save-article-file
2303 ,@(if (featurep 'xemacs) '(t)
2304 '(:help "Save article in file"))]
2305 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2306 ["Save in MH folder..." gnus-summary-save-article-folder t]
2307 ["Save in VM folder..." gnus-summary-save-article-vm t]
2308 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2309 ["Save body in file..." gnus-summary-save-article-body-file t]
2310 ["Pipe through a filter..." gnus-summary-pipe-output t]
2311 ["Add to SOUP packet" gnus-soup-add-article t]
2312 ["Print with Muttprint..." gnus-summary-muttprint t]
2313 ["Print" gnus-summary-print-article
2314 ,@(if (featurep 'xemacs) '(t)
2315 '(:help "Generate and print a PostScript image"))])
2316 ("Copy, move,... (Backend)"
2317 ,@(if (featurep 'xemacs) nil
2318 '(:help "Copying, moving, expiring articles..."))
2319 ["Respool article..." gnus-summary-respool-article t]
2320 ["Move article..." gnus-summary-move-article
2321 (gnus-check-backend-function
2322 'request-move-article gnus-newsgroup-name)]
2323 ["Copy article..." gnus-summary-copy-article t]
2324 ["Crosspost article..." gnus-summary-crosspost-article
2325 (gnus-check-backend-function
2326 'request-replace-article gnus-newsgroup-name)]
2327 ["Import file..." gnus-summary-import-article
2328 (gnus-check-backend-function
2329 'request-accept-article gnus-newsgroup-name)]
2330 ["Create article..." gnus-summary-create-article
2331 (gnus-check-backend-function
2332 'request-accept-article gnus-newsgroup-name)]
2333 ["Check if posted" gnus-summary-article-posted-p t]
2334 ["Edit article" gnus-summary-edit-article
2335 (not (gnus-group-read-only-p))]
2336 ["Delete article" gnus-summary-delete-article
2337 (gnus-check-backend-function
2338 'request-expire-articles gnus-newsgroup-name)]
2339 ["Query respool" gnus-summary-respool-query t]
2340 ["Trace respool" gnus-summary-respool-trace t]
2341 ["Delete expirable articles" gnus-summary-expire-articles-now
2342 (gnus-check-backend-function
2343 'request-expire-articles gnus-newsgroup-name)])
2345 ["Uudecode" gnus-uu-decode-uu
2346 ,@(if (featurep 'xemacs) '(t)
2347 '(:help "Decode uuencoded article(s)"))]
2348 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2349 ["Unshar" gnus-uu-decode-unshar t]
2350 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2351 ["Save" gnus-uu-decode-save t]
2352 ["Binhex" gnus-uu-decode-binhex t]
2353 ["Postscript" gnus-uu-decode-postscript t])
2355 ["Enter article" gnus-cache-enter-article t]
2356 ["Remove article" gnus-cache-remove-article t])
2357 ["Translate" gnus-article-babel t]
2358 ["Select article buffer" gnus-summary-select-article-buffer t]
2359 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2360 ["Isearch article..." gnus-summary-isearch-article t]
2361 ["Beginning of the article" gnus-summary-beginning-of-article t]
2362 ["End of the article" gnus-summary-end-of-article t]
2363 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2364 ["Fetch referenced articles" gnus-summary-refer-references t]
2365 ["Fetch current thread" gnus-summary-refer-thread t]
2366 ["Fetch article with id..." gnus-summary-refer-article t]
2367 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2368 ["Redisplay" gnus-summary-show-article t]
2369 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2371 gnus-summary-article-menu gnus-summary-mode-map ""
2372 (cons "Article" innards))
2374 (if (not (keymapp gnus-summary-article-menu))
2376 gnus-article-commands-menu gnus-article-mode-map ""
2377 (cons "Commands" innards))
2378 ;; in Emacs, don't share menu.
2379 (setq gnus-article-commands-menu
2380 (copy-keymap gnus-summary-article-menu))
2381 (define-key gnus-article-mode-map [menu-bar commands]
2382 (cons "Commands" gnus-article-commands-menu))))
2385 gnus-summary-thread-menu gnus-summary-mode-map ""
2387 ["Find all messages in thread" gnus-summary-refer-thread t]
2388 ["Toggle threading" gnus-summary-toggle-threads t]
2389 ["Hide threads" gnus-summary-hide-all-threads t]
2390 ["Show threads" gnus-summary-show-all-threads t]
2391 ["Hide thread" gnus-summary-hide-thread t]
2392 ["Show thread" gnus-summary-show-thread t]
2393 ["Go to next thread" gnus-summary-next-thread t]
2394 ["Go to previous thread" gnus-summary-prev-thread t]
2395 ["Go down thread" gnus-summary-down-thread t]
2396 ["Go up thread" gnus-summary-up-thread t]
2397 ["Top of thread" gnus-summary-top-thread t]
2398 ["Mark thread as read" gnus-summary-kill-thread t]
2399 ["Lower thread score" gnus-summary-lower-thread t]
2400 ["Raise thread score" gnus-summary-raise-thread t]
2401 ["Rethread current" gnus-summary-rethread-current t]))
2404 gnus-summary-post-menu gnus-summary-mode-map ""
2406 ["Send a message (mail or news)" gnus-summary-post-news
2407 ,@(if (featurep 'xemacs) '(t)
2408 '(:help "Compose a new message (mail or news)"))]
2409 ["Followup" gnus-summary-followup
2410 ,@(if (featurep 'xemacs) '(t)
2411 '(:help "Post followup to this article"))]
2412 ["Followup and yank" gnus-summary-followup-with-original
2413 ,@(if (featurep 'xemacs) '(t)
2414 '(:help "Post followup to this article, quoting its contents"))]
2415 ["Supersede article" gnus-summary-supersede-article t]
2416 ["Cancel article" gnus-summary-cancel-article
2417 ,@(if (featurep 'xemacs) '(t)
2418 '(:help "Cancel an article you posted"))]
2419 ["Reply" gnus-summary-reply t]
2420 ["Reply and yank" gnus-summary-reply-with-original t]
2421 ["Wide reply" gnus-summary-wide-reply t]
2422 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2423 ,@(if (featurep 'xemacs) '(t)
2424 '(:help "Mail a reply, quoting this article"))]
2425 ["Very wide reply" gnus-summary-very-wide-reply t]
2426 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2427 ,@(if (featurep 'xemacs) '(t)
2428 '(:help "Mail a very wide reply, quoting this article"))]
2429 ["Mail forward" gnus-summary-mail-forward t]
2430 ["Post forward" gnus-summary-post-forward t]
2431 ["Digest and mail" gnus-summary-digest-mail-forward t]
2432 ["Digest and post" gnus-summary-digest-post-forward t]
2433 ["Resend message" gnus-summary-resend-message t]
2434 ["Resend message edit" gnus-summary-resend-message-edit t]
2435 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2436 ["Send a mail" gnus-summary-mail-other-window t]
2437 ["Create a local message" gnus-summary-news-other-window t]
2438 ["Uuencode and post" gnus-uu-post-news
2439 ,@(if (featurep 'xemacs) '(t)
2440 '(:help "Post a uuencoded article"))]
2441 ["Followup via news" gnus-summary-followup-to-mail t]
2442 ["Followup via news and yank"
2443 gnus-summary-followup-to-mail-with-original t]
2445 ;;["Send" gnus-summary-send-draft t]
2446 ;;["Send bounced" gnus-resend-bounced-mail t])
2450 ((not (keymapp gnus-summary-post-menu))
2451 (setq gnus-article-post-menu gnus-summary-post-menu))
2452 ((not gnus-article-post-menu)
2453 ;; Don't share post menu.
2454 (setq gnus-article-post-menu
2455 (copy-keymap gnus-summary-post-menu))))
2456 (define-key gnus-article-mode-map [menu-bar post]
2457 (cons "Post" gnus-article-post-menu))
2460 gnus-summary-misc-menu gnus-summary-mode-map ""
2463 ["Mark as read" gnus-summary-mark-as-read-forward t]
2464 ["Mark same subject and select"
2465 gnus-summary-kill-same-subject-and-select t]
2466 ["Mark same subject" gnus-summary-kill-same-subject t]
2467 ["Catchup" gnus-summary-catchup
2468 ,@(if (featurep 'xemacs) '(t)
2469 '(:help "Mark unread articles in this group as read"))]
2470 ["Catchup all" gnus-summary-catchup-all t]
2471 ["Catchup to here" gnus-summary-catchup-to-here t]
2472 ["Catchup from here" gnus-summary-catchup-from-here t]
2473 ["Catchup region" gnus-summary-mark-region-as-read
2474 (gnus-mark-active-p)]
2475 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2477 ["Tick" gnus-summary-tick-article-forward t]
2478 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2479 ["Remove marks" gnus-summary-clear-mark-forward t]
2480 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2481 ["Set bookmark" gnus-summary-set-bookmark t]
2482 ["Remove bookmark" gnus-summary-remove-bookmark t])
2484 ["Marks..." gnus-summary-limit-to-marks t]
2485 ["Subject..." gnus-summary-limit-to-subject t]
2486 ["Author..." gnus-summary-limit-to-author t]
2487 ["Recipient..." gnus-summary-limit-to-recipient t]
2488 ["Age..." gnus-summary-limit-to-age t]
2489 ["Extra..." gnus-summary-limit-to-extra t]
2490 ["Score..." gnus-summary-limit-to-score t]
2491 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2492 ["Unread" gnus-summary-limit-to-unread t]
2493 ["Unseen" gnus-summary-limit-to-unseen t]
2494 ["Replied" gnus-summary-limit-to-replied t]
2495 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2496 ["Next articles" gnus-summary-limit-to-articles t]
2497 ["Pop limit" gnus-summary-pop-limit t]
2498 ["Show dormant" gnus-summary-limit-include-dormant t]
2499 ["Hide childless dormant"
2500 gnus-summary-limit-exclude-childless-dormant t]
2501 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2502 ["Hide marked" gnus-summary-limit-exclude-marks t]
2503 ["Show expunged" gnus-summary-limit-include-expunged t])
2505 ["Set mark" gnus-summary-mark-as-processable t]
2506 ["Remove mark" gnus-summary-unmark-as-processable t]
2507 ["Remove all marks" gnus-summary-unmark-all-processable t]
2508 ["Invert marks" gnus-uu-invert-processable t]
2509 ["Mark above" gnus-uu-mark-over t]
2510 ["Mark series" gnus-uu-mark-series t]
2511 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2512 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2513 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2514 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2515 ["Mark all" gnus-uu-mark-all t]
2516 ["Mark buffer" gnus-uu-mark-buffer t]
2517 ["Mark sparse" gnus-uu-mark-sparse t]
2518 ["Mark thread" gnus-uu-mark-thread t]
2519 ["Unmark thread" gnus-uu-unmark-thread t]
2520 ("Process Mark Sets"
2521 ["Kill" gnus-summary-kill-process-mark t]
2522 ["Yank" gnus-summary-yank-process-mark
2523 gnus-newsgroup-process-stack]
2524 ["Save" gnus-summary-save-process-mark t]
2525 ["Run command on marked..." gnus-summary-universal-argument t]))
2527 ["Page forward" gnus-summary-next-page
2528 ,@(if (featurep 'xemacs) '(t)
2529 '(:help "Show next page of article"))]
2530 ["Page backward" gnus-summary-prev-page
2531 ,@(if (featurep 'xemacs) '(t)
2532 '(:help "Show previous page of article"))]
2533 ["Line forward" gnus-summary-scroll-up t])
2535 ["Next unread article" gnus-summary-next-unread-article t]
2536 ["Previous unread article" gnus-summary-prev-unread-article t]
2537 ["Next article" gnus-summary-next-article t]
2538 ["Previous article" gnus-summary-prev-article t]
2539 ["Next unread subject" gnus-summary-next-unread-subject t]
2540 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2541 ["Next article same subject" gnus-summary-next-same-subject t]
2542 ["Previous article same subject" gnus-summary-prev-same-subject t]
2543 ["First unread article" gnus-summary-first-unread-article t]
2544 ["Best unread article" gnus-summary-best-unread-article t]
2545 ["Go to subject number..." gnus-summary-goto-subject t]
2546 ["Go to article number..." gnus-summary-goto-article t]
2547 ["Go to the last article" gnus-summary-goto-last-article t]
2548 ["Pop article off history" gnus-summary-pop-article t])
2550 ["Sort by number" gnus-summary-sort-by-number t]
2551 ["Sort by author" gnus-summary-sort-by-author t]
2552 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2553 ["Sort by subject" gnus-summary-sort-by-subject t]
2554 ["Sort by date" gnus-summary-sort-by-date t]
2555 ["Sort by score" gnus-summary-sort-by-score t]
2556 ["Sort by lines" gnus-summary-sort-by-lines t]
2557 ["Sort by characters" gnus-summary-sort-by-chars t]
2558 ["Randomize" gnus-summary-sort-by-random t]
2559 ["Original sort" gnus-summary-sort-by-original t])
2561 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2562 ["Describe group" gnus-summary-describe-group t]
2563 ["Fetch charter" gnus-group-fetch-charter
2564 ,@(if (featurep 'xemacs) nil
2565 '(:help "Display the charter of the current group"))]
2566 ["Fetch control message" gnus-group-fetch-control
2567 ,@(if (featurep 'xemacs) nil
2568 '(:help "Display the archived control message for the current group"))]
2569 ["Read manual" gnus-info-find-node t])
2571 ["Pick and read" gnus-pick-mode t]
2572 ["Binary" gnus-binary-mode t])
2574 ["Regenerate" gnus-summary-prepare t]
2575 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2576 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2577 ["Toggle threading" gnus-summary-toggle-threads t])
2578 ["See old articles" gnus-summary-insert-old-articles t]
2579 ["See new articles" gnus-summary-insert-new-articles t]
2580 ["Filter articles..." gnus-summary-execute-command t]
2581 ["Run command on articles..." gnus-summary-universal-argument t]
2582 ["Search articles forward..." gnus-summary-search-article-forward t]
2583 ["Search articles backward..." gnus-summary-search-article-backward t]
2584 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2585 ["Expand window" gnus-summary-expand-window t]
2586 ["Expire expirable articles" gnus-summary-expire-articles
2587 (gnus-check-backend-function
2588 'request-expire-articles gnus-newsgroup-name)]
2589 ["Edit local kill file" gnus-summary-edit-local-kill t]
2590 ["Edit main kill file" gnus-summary-edit-global-kill t]
2591 ["Edit group parameters" gnus-summary-edit-parameters t]
2592 ["Customize group parameters" gnus-summary-customize-parameters t]
2593 ["Send a bug report" gnus-bug t]
2595 ["Catchup and exit" gnus-summary-catchup-and-exit
2596 ,@(if (featurep 'xemacs) '(t)
2597 '(:help "Mark unread articles in this group as read, then exit"))]
2598 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2599 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2600 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2601 ["Exit group" gnus-summary-exit
2602 ,@(if (featurep 'xemacs) '(t)
2603 '(:help "Exit current group, return to group selection mode"))]
2604 ["Exit group without updating" gnus-summary-exit-no-update t]
2605 ["Exit and goto next group" gnus-summary-next-group t]
2606 ["Exit and goto prev group" gnus-summary-prev-group t]
2607 ["Reselect group" gnus-summary-reselect-current-group t]
2608 ["Rescan group" gnus-summary-rescan-group t]
2609 ["Update dribble" gnus-summary-save-newsrc t])))
2611 (gnus-run-hooks 'gnus-summary-menu-hook)))
2613 (defvar gnus-summary-tool-bar-map nil)
2615 ;; Emacs 21 tool bar. Should be no-op otherwise.
2616 (defun gnus-summary-make-tool-bar ()
2617 (if (and (fboundp 'tool-bar-add-item-from-menu)
2618 (default-value 'tool-bar-mode)
2619 (not gnus-summary-tool-bar-map))
2620 (setq gnus-summary-tool-bar-map
2621 (let ((tool-bar-map (make-sparse-keymap))
2622 (load-path (mm-image-load-path)))
2623 (tool-bar-add-item-from-menu
2624 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2625 (tool-bar-add-item-from-menu
2626 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2627 (tool-bar-add-item-from-menu
2628 'gnus-summary-post-news "post" gnus-summary-mode-map)
2629 (tool-bar-add-item-from-menu
2630 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2631 (tool-bar-add-item-from-menu
2632 'gnus-summary-followup "followup" gnus-summary-mode-map)
2633 (tool-bar-add-item-from-menu
2634 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2635 (tool-bar-add-item-from-menu
2636 'gnus-summary-reply "reply" gnus-summary-mode-map)
2637 (tool-bar-add-item-from-menu
2638 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2639 (tool-bar-add-item-from-menu
2640 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2641 (tool-bar-add-item-from-menu
2642 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2643 (tool-bar-add-item-from-menu
2644 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2645 (tool-bar-add-item-from-menu
2646 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2647 (tool-bar-add-item-from-menu
2648 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2649 (tool-bar-add-item-from-menu
2650 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2651 (tool-bar-add-item-from-menu
2652 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2653 (tool-bar-add-item-from-menu
2654 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2656 (if gnus-summary-tool-bar-map
2657 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2659 (defun gnus-score-set-default (var value)
2660 "A version of set that updates the GNU Emacs menu-bar."
2662 ;; It is the message that forces the active status to be updated.
2665 (defun gnus-make-score-map (type)
2666 "Make a summary score map of type TYPE."
2669 (let ((headers '(("author" "from" string)
2670 ("subject" "subject" string)
2671 ("article body" "body" string)
2672 ("article head" "head" string)
2673 ("xref" "xref" string)
2674 ("extra header" "extra" string)
2675 ("lines" "lines" number)
2676 ("followups to author" "followup" string)))
2677 (types '((number ("less than" <)
2680 (string ("substring" s)
2684 (perms '(("temporary" (current-time-string))
2692 (if (eq type 'lower)
2697 (setq header (car headers))
2703 (let ((ts (cdr (assoc (nth 2 header) types)))
2719 'gnus-summary-score-entry
2721 (if (or (string= (nth 1 header)
2723 (string= (nth 1 header)
2726 (list 'gnus-summary-header
2728 (list 'quote (nth 1 (car ts)))
2729 (list 'gnus-score-delta-default
2736 (list (nreverse outp))))
2739 (list (nreverse outt))))
2741 (setq headers (cdr headers)))
2742 (list (nreverse outh))))))))
2746 (defun gnus-summary-mode (&optional group)
2747 "Major mode for reading articles.
2749 All normal editing commands are switched off.
2750 \\<gnus-summary-mode-map>
2751 Each line in this buffer represents one article. To read an
2752 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2753 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2756 You can also post articles and send mail from this buffer. To
2757 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2758 of an article, type `\\[gnus-summary-reply]'.
2760 There are approx. one gazillion commands you can execute in this
2761 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2763 The following commands are available:
2765 \\{gnus-summary-mode-map}"
2767 (kill-all-local-variables)
2768 (when (gnus-visual-p 'summary-menu 'menu)
2769 (gnus-summary-make-menu-bar)
2770 (gnus-summary-make-tool-bar))
2771 (gnus-summary-make-local-variables)
2772 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2773 (gnus-summary-make-local-variables))
2774 (gnus-make-thread-indent-array)
2775 (gnus-simplify-mode-line)
2776 (setq major-mode 'gnus-summary-mode)
2777 (setq mode-name "Summary")
2778 (make-local-variable 'minor-mode-alist)
2779 (use-local-map gnus-summary-mode-map)
2780 (buffer-disable-undo)
2781 (setq buffer-read-only t ;Disable modification
2782 show-trailing-whitespace nil)
2783 (setq truncate-lines t)
2784 (setq selective-display t)
2785 (setq selective-display-ellipses t) ;Display `...'
2786 (gnus-summary-set-display-table)
2787 (gnus-set-default-directory)
2788 (setq gnus-newsgroup-name group)
2789 (unless (gnus-news-group-p group)
2790 (setq gnus-newsgroup-incorporated
2791 (nnmail-new-mail-numbers (gnus-group-real-name group))))
2792 (make-local-variable 'gnus-summary-line-format)
2793 (make-local-variable 'gnus-summary-line-format-spec)
2794 (make-local-variable 'gnus-summary-dummy-line-format)
2795 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2796 (make-local-variable 'gnus-summary-mark-positions)
2797 (gnus-make-local-hook 'pre-command-hook)
2798 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2799 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
2800 (turn-on-gnus-mailing-list-mode)
2801 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2802 (gnus-update-summary-mark-positions))
2804 (defun gnus-summary-make-local-variables ()
2805 "Make all the local summary buffer variables."
2807 (dolist (local gnus-summary-local-variables)
2810 (if (eq (cdr local) 'global)
2811 ;; Copy the global value of the variable.
2812 (setq global (symbol-value (car local)))
2813 ;; Use the value from the list.
2814 (setq global (eval (cdr local))))
2815 (set (make-local-variable (car local)) global))
2816 ;; Simple nil-valued local variable.
2817 (set (make-local-variable local) nil)))))
2819 (defun gnus-summary-clear-local-variables ()
2820 (let ((locals gnus-summary-local-variables))
2822 (if (consp (car locals))
2823 (and (symbolp (caar locals))
2824 (set (caar locals) nil))
2825 (and (symbolp (car locals))
2826 (set (car locals) nil)))
2827 (setq locals (cdr locals)))))
2829 ;; Summary data functions.
2831 (defmacro gnus-data-number (data)
2834 (defmacro gnus-data-set-number (data number)
2835 `(setcar ,data ,number))
2837 (defmacro gnus-data-mark (data)
2840 (defmacro gnus-data-set-mark (data mark)
2841 `(setcar (nthcdr 1 ,data) ,mark))
2843 (defmacro gnus-data-pos (data)
2846 (defmacro gnus-data-set-pos (data pos)
2847 `(setcar (nthcdr 2 ,data) ,pos))
2849 (defmacro gnus-data-header (data)
2852 (defmacro gnus-data-set-header (data header)
2853 `(setcar (nthcdr 3 ,data) ,header))
2855 (defmacro gnus-data-level (data)
2858 (defmacro gnus-data-unread-p (data)
2859 `(= (nth 1 ,data) gnus-unread-mark))
2861 (defmacro gnus-data-read-p (data)
2862 `(/= (nth 1 ,data) gnus-unread-mark))
2864 (defmacro gnus-data-pseudo-p (data)
2865 `(consp (nth 3 ,data)))
2867 (defmacro gnus-data-find (number)
2868 `(assq ,number gnus-newsgroup-data))
2870 (defmacro gnus-data-find-list (number &optional data)
2871 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2872 (memq (assq ,number bdata)
2875 (defmacro gnus-data-make (number mark pos header level)
2876 `(list ,number ,mark ,pos ,header ,level))
2878 (defun gnus-data-enter (after-article number mark pos header level offset)
2879 (let ((data (gnus-data-find-list after-article)))
2881 (error "No such article: %d" after-article))
2882 (setcdr data (cons (gnus-data-make number mark pos header level)
2884 (setq gnus-newsgroup-data-reverse nil)
2885 (gnus-data-update-list (cddr data) offset)))
2887 (defun gnus-data-enter-list (after-article list &optional offset)
2889 (let ((data (and after-article (gnus-data-find-list after-article)))
2893 (let ((odata gnus-newsgroup-data))
2894 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2896 (gnus-data-update-list odata offset)))
2897 ;; Find the last element in the list to be spliced into the main
2899 (setq list (last list))
2902 (setcdr list gnus-newsgroup-data)
2903 (setq gnus-newsgroup-data ilist)
2905 (gnus-data-update-list (cdr list) offset)))
2906 (setcdr list (cdr data))
2909 (gnus-data-update-list (cdr list) offset))))
2910 (setq gnus-newsgroup-data-reverse nil))))
2912 (defun gnus-data-remove (article &optional offset)
2913 (let ((data gnus-newsgroup-data))
2914 (if (= (gnus-data-number (car data)) article)
2916 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2917 gnus-newsgroup-data-reverse nil)
2919 (gnus-data-update-list gnus-newsgroup-data offset)))
2921 (when (= (gnus-data-number (cadr data)) article)
2922 (setcdr data (cddr data))
2924 (gnus-data-update-list (cdr data) offset))
2926 gnus-newsgroup-data-reverse nil))
2927 (setq data (cdr data))))))
2929 (defmacro gnus-data-list (backward)
2931 (or gnus-newsgroup-data-reverse
2932 (setq gnus-newsgroup-data-reverse
2933 (reverse gnus-newsgroup-data)))
2934 gnus-newsgroup-data))
2936 (defun gnus-data-update-list (data offset)
2937 "Add OFFSET to the POS of all data entries in DATA."
2938 (setq gnus-newsgroup-data-reverse nil)
2940 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2941 (setq data (cdr data))))
2943 (defun gnus-summary-article-pseudo-p (article)
2944 "Say whether this article is a pseudo article or not."
2945 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2947 (defmacro gnus-summary-article-sparse-p (article)
2948 "Say whether this article is a sparse article or not."
2949 `(memq ,article gnus-newsgroup-sparse))
2951 (defmacro gnus-summary-article-ancient-p (article)
2952 "Say whether this article is a sparse article or not."
2953 `(memq ,article gnus-newsgroup-ancient))
2955 (defun gnus-article-parent-p (number)
2956 "Say whether this article is a parent or not."
2957 (let ((data (gnus-data-find-list number)))
2958 (and (cdr data) ; There has to be an article after...
2959 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2960 (gnus-data-level (nth 1 data))))))
2962 (defun gnus-article-children (number)
2963 "Return a list of all children to NUMBER."
2964 (let* ((data (gnus-data-find-list number))
2965 (level (gnus-data-level (car data)))
2967 (setq data (cdr data))
2969 (= (gnus-data-level (car data)) (1+ level)))
2970 (push (gnus-data-number (car data)) children)
2971 (setq data (cdr data)))
2974 (defmacro gnus-summary-skip-intangible ()
2975 "If the current article is intangible, then jump to a different article."
2976 '(let ((to (get-text-property (point) 'gnus-intangible)))
2977 (and to (gnus-summary-goto-subject to))))
2979 (defmacro gnus-summary-article-intangible-p ()
2980 "Say whether this article is intangible or not."
2981 '(get-text-property (point) 'gnus-intangible))
2983 (defun gnus-article-read-p (article)
2984 "Say whether ARTICLE is read or not."
2985 (not (or (memq article gnus-newsgroup-marked)
2986 (memq article gnus-newsgroup-spam-marked)
2987 (memq article gnus-newsgroup-unreads)
2988 (memq article gnus-newsgroup-unselected)
2989 (memq article gnus-newsgroup-dormant))))
2991 ;; Some summary mode macros.
2993 (defmacro gnus-summary-article-number ()
2994 "The article number of the article on the current line.
2995 If there isn't an article number here, then we return the current
2998 (gnus-summary-skip-intangible)
2999 (or (get-text-property (point) 'gnus-number)
3000 (gnus-summary-last-subject))))
3002 (defmacro gnus-summary-article-header (&optional number)
3003 "Return the header of article NUMBER."
3004 `(gnus-data-header (gnus-data-find
3005 ,(or number '(gnus-summary-article-number)))))
3007 (defmacro gnus-summary-thread-level (&optional number)
3008 "Return the level of thread that starts with article NUMBER."
3009 `(if (and (eq gnus-summary-make-false-root 'dummy)
3010 (get-text-property (point) 'gnus-intangible))
3012 (gnus-data-level (gnus-data-find
3013 ,(or number '(gnus-summary-article-number))))))
3015 (defmacro gnus-summary-article-mark (&optional number)
3016 "Return the mark of article NUMBER."
3017 `(gnus-data-mark (gnus-data-find
3018 ,(or number '(gnus-summary-article-number)))))
3020 (defmacro gnus-summary-article-pos (&optional number)
3021 "Return the position of the line of article NUMBER."
3022 `(gnus-data-pos (gnus-data-find
3023 ,(or number '(gnus-summary-article-number)))))
3025 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3026 (defmacro gnus-summary-article-subject (&optional number)
3027 "Return current subject string or nil if nothing."
3030 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3031 '(gnus-data-header (assq (gnus-summary-article-number)
3032 gnus-newsgroup-data)))))
3035 (mail-header-subject headers))))
3037 (defmacro gnus-summary-article-score (&optional number)
3038 "Return current article score."
3039 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3040 gnus-newsgroup-scored))
3041 gnus-summary-default-score 0))
3043 (defun gnus-summary-article-children (&optional number)
3044 "Return a list of article numbers that are children of article NUMBER."
3045 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3046 (level (gnus-data-level (car data)))
3048 (while (and (setq data (cdr data))
3049 (> (setq l (gnus-data-level (car data))) level))
3050 (and (= (1+ level) l)
3051 (push (gnus-data-number (car data))
3053 (nreverse children)))
3055 (defun gnus-summary-article-parent (&optional number)
3056 "Return the article number of the parent of article NUMBER."
3057 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3058 (gnus-data-list t)))
3059 (level (gnus-data-level (car data))))
3061 () ; This is a root.
3062 ;; We search until we find an article with a level less than
3063 ;; this one. That function has to be the parent.
3064 (while (and (setq data (cdr data))
3065 (not (< (gnus-data-level (car data)) level))))
3066 (and data (gnus-data-number (car data))))))
3068 (defun gnus-unread-mark-p (mark)
3069 "Say whether MARK is the unread mark."
3070 (= mark gnus-unread-mark))
3072 (defun gnus-read-mark-p (mark)
3073 "Say whether MARK is one of the marks that mark as read.
3074 This is all marks except unread, ticked, dormant, and expirable."
3075 (not (or (= mark gnus-unread-mark)
3076 (= mark gnus-ticked-mark)
3077 (= mark gnus-spam-mark)
3078 (= mark gnus-dormant-mark)
3079 (= mark gnus-expirable-mark))))
3081 (defmacro gnus-article-mark (number)
3082 "Return the MARK of article NUMBER.
3083 This macro should only be used when computing the mark the \"first\"
3084 time; i.e., when generating the summary lines. After that,
3085 `gnus-summary-article-mark' should be used to examine the
3088 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3089 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3090 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3091 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3092 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3093 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3094 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3095 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3096 gnus-ancient-mark))))
3098 ;; Saving hidden threads.
3100 (defmacro gnus-save-hidden-threads (&rest forms)
3101 "Save hidden threads, eval FORMS, and restore the hidden threads."
3102 (let ((config (make-symbol "config")))
3103 `(let ((,config (gnus-hidden-threads-configuration)))
3107 (gnus-restore-hidden-threads-configuration ,config)))))
3108 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3109 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3111 (defun gnus-data-compute-positions ()
3112 "Compute the positions of all articles."
3113 (setq gnus-newsgroup-data-reverse nil)
3114 (let ((data gnus-newsgroup-data))
3116 (gnus-save-hidden-threads
3117 (gnus-summary-show-all-threads)
3118 (goto-char (point-min))
3120 (while (get-text-property (point) 'gnus-intangible)
3122 (gnus-data-set-pos (car data) (+ (point) 3))
3123 (setq data (cdr data))
3124 (forward-line 1))))))
3126 (defun gnus-hidden-threads-configuration ()
3127 "Return the current hidden threads configuration."
3130 (goto-char (point-min))
3131 (while (search-forward "\r" nil t)
3132 (push (1- (point)) config))
3135 (defun gnus-restore-hidden-threads-configuration (config)
3136 "Restore hidden threads configuration from CONFIG."
3138 (let (point buffer-read-only)
3139 (while (setq point (pop config))
3140 (when (and (< point (point-max))
3142 (eq (char-after) ?\n))
3143 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3145 ;; Various summary mode internalish functions.
3147 (defun gnus-mouse-pick-article (e)
3150 (gnus-summary-next-page nil t))
3152 (defun gnus-summary-set-display-table ()
3153 "Change the display table.
3154 Odd characters have a tendency to mess
3155 up nicely formatted displays - we make all possible glyphs
3156 display only a single character."
3158 ;; We start from the standard display table, if any.
3159 (let ((table (or (copy-sequence standard-display-table)
3160 (make-display-table)))
3162 ;; Nix out all the control chars...
3163 (while (>= (setq i (1- i)) 0)
3164 (aset table i [??]))
3165 ;; ... but not newline and cr, of course. (cr is necessary for the
3166 ;; selective display).
3167 (aset table ?\n nil)
3168 (aset table ?\r nil)
3169 ;; We keep TAB as well.
3170 (aset table ?\t nil)
3171 ;; We nix out any glyphs over 126 that are not set already.
3173 (while (>= (setq i (1- i)) 127)
3174 ;; Only modify if the entry is nil.
3175 (unless (aref table i)
3176 (aset table i [??]))))
3177 (setq buffer-display-table table)))
3179 (defun gnus-summary-set-article-display-arrow (pos)
3180 "Update the overlay arrow to point to line at position POS."
3181 (when (and gnus-summary-display-arrow
3182 (boundp 'overlay-arrow-position)
3183 (boundp 'overlay-arrow-string))
3187 (unless overlay-arrow-position
3188 (setq overlay-arrow-position (make-marker)))
3189 (setq overlay-arrow-string "=>"
3190 overlay-arrow-position (set-marker overlay-arrow-position
3192 (current-buffer))))))
3194 (defun gnus-summary-setup-buffer (group)
3195 "Initialize summary buffer."
3196 (let ((buffer (gnus-summary-buffer-name group))
3197 (dead-name (concat "*Dead Summary "
3198 (gnus-group-decoded-name group) "*")))
3199 ;; If a dead summary buffer exists, we kill it.
3200 (when (gnus-buffer-live-p dead-name)
3201 (gnus-kill-buffer dead-name))
3202 (if (get-buffer buffer)
3205 (setq gnus-summary-buffer (current-buffer))
3206 (not gnus-newsgroup-prepared))
3207 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3208 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3209 (gnus-summary-mode group)
3211 (gnus-carpal-setup-buffer 'summary))
3212 (unless gnus-single-article-buffer
3213 (make-local-variable 'gnus-article-buffer)
3214 (make-local-variable 'gnus-article-current)
3215 (make-local-variable 'gnus-original-article-buffer))
3216 (setq gnus-newsgroup-name group)
3217 ;; Set any local variables in the group parameters.
3218 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3221 (defun gnus-set-global-variables ()
3222 "Set the global equivalents of the buffer-local variables.
3223 They are set to the latest values they had. These reflect the summary
3224 buffer that was in action when the last article was fetched."
3225 (when (eq major-mode 'gnus-summary-mode)
3226 (setq gnus-summary-buffer (current-buffer))
3227 (let ((name gnus-newsgroup-name)
3228 (marked gnus-newsgroup-marked)
3229 (spam gnus-newsgroup-spam-marked)
3230 (unread gnus-newsgroup-unreads)
3231 (headers gnus-current-headers)
3232 (data gnus-newsgroup-data)
3233 (summary gnus-summary-buffer)
3234 (article-buffer gnus-article-buffer)
3235 (original gnus-original-article-buffer)
3236 (gac gnus-article-current)
3237 (reffed gnus-reffed-article-number)
3238 (score-file gnus-current-score-file)
3239 (default-charset gnus-newsgroup-charset)
3241 (let ((locals gnus-newsgroup-variables))
3243 (if (consp (car locals))
3244 (push (eval (caar locals)) vlist)
3245 (push (eval (car locals)) vlist))
3246 (setq locals (cdr locals)))
3247 (setq vlist (nreverse vlist)))
3248 (with-current-buffer gnus-group-buffer
3249 (setq gnus-newsgroup-name name
3250 gnus-newsgroup-marked marked
3251 gnus-newsgroup-spam-marked spam
3252 gnus-newsgroup-unreads unread
3253 gnus-current-headers headers
3254 gnus-newsgroup-data data
3255 gnus-article-current gac
3256 gnus-summary-buffer summary
3257 gnus-article-buffer article-buffer
3258 gnus-original-article-buffer original
3259 gnus-reffed-article-number reffed
3260 gnus-current-score-file score-file
3261 gnus-newsgroup-charset default-charset)
3262 (let ((locals gnus-newsgroup-variables))
3264 (if (consp (car locals))
3265 (set (caar locals) (pop vlist))
3266 (set (car locals) (pop vlist)))
3267 (setq locals (cdr locals))))
3268 ;; The article buffer also has local variables.
3269 (when (gnus-buffer-live-p gnus-article-buffer)
3270 (set-buffer gnus-article-buffer)
3271 (setq gnus-summary-buffer summary))))))
3273 (defun gnus-summary-article-unread-p (article)
3274 "Say whether ARTICLE is unread or not."
3275 (memq article gnus-newsgroup-unreads))
3277 (defun gnus-summary-first-article-p (&optional article)
3278 "Return whether ARTICLE is the first article in the buffer."
3279 (if (not (setq article (or article (gnus-summary-article-number))))
3281 (eq article (caar gnus-newsgroup-data))))
3283 (defun gnus-summary-last-article-p (&optional article)
3284 "Return whether ARTICLE is the last article in the buffer."
3285 (if (not (setq article (or article (gnus-summary-article-number))))
3286 ;; All non-existent numbers are the last article. :-)
3288 (not (cdr (gnus-data-find-list article)))))
3290 (defun gnus-make-thread-indent-array ()
3292 (unless (and gnus-thread-indent-array
3293 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3294 (setq gnus-thread-indent-array (make-vector 201 "")
3295 gnus-thread-indent-array-level gnus-thread-indent-level)
3297 (aset gnus-thread-indent-array n
3298 (make-string (* n gnus-thread-indent-level) ? ))
3301 (defun gnus-update-summary-mark-positions ()
3302 "Compute where the summary marks are to go."
3304 (when (gnus-buffer-exists-p gnus-summary-buffer)
3305 (set-buffer gnus-summary-buffer))
3306 (let ((spec gnus-summary-line-format-spec)
3309 (gnus-set-work-buffer)
3310 (let ((gnus-tmp-unread ?Z)
3311 (gnus-replied-mark ?Z)
3312 (gnus-score-below-mark ?Z)
3313 (gnus-score-over-mark ?Z)
3314 (gnus-undownloaded-mark ?Z)
3315 (gnus-summary-line-format-spec spec)
3316 (gnus-newsgroup-downloadable '(0))
3318 (make-full-mail-header
3319 0 "" "nobody" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil))
3320 case-fold-search ignores)
3321 ;; Here, all marks are bound to Z.
3322 (gnus-summary-insert-line header
3323 0 nil t gnus-tmp-unread t nil "" nil 1)
3324 (goto-char (point-min))
3325 ;; Memorize the positions of the same characters as dummy marks.
3326 (while (re-search-forward "[A-D]" nil t)
3327 (push (point) ignores))
3329 ;; We use A-D as dummy marks in order to know column positions
3330 ;; where marks should be inserted.
3331 (setq gnus-tmp-unread ?A
3332 gnus-replied-mark ?B
3333 gnus-score-below-mark ?C
3334 gnus-score-over-mark ?C
3335 gnus-undownloaded-mark ?D)
3336 (gnus-summary-insert-line header
3337 0 nil t gnus-tmp-unread t nil "" nil 1)
3338 ;; Ignore characters which aren't dummy marks.
3340 (delete-region (goto-char (1- p)) p)
3342 (goto-char (point-min))
3343 (setq pos (list (cons 'unread
3344 (and (search-forward "A" nil t)
3345 (- (point) (point-min) 1)))))
3346 (goto-char (point-min))
3347 (push (cons 'replied (and (search-forward "B" nil t)
3348 (- (point) (point-min) 1)))
3350 (goto-char (point-min))
3351 (push (cons 'score (and (search-forward "C" nil t)
3352 (- (point) (point-min) 1)))
3354 (goto-char (point-min))
3355 (push (cons 'download (and (search-forward "D" nil t)
3356 (- (point) (point-min) 1)))
3358 (setq gnus-summary-mark-positions pos))))
3360 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3361 "Insert a dummy root in the summary buffer."
3363 (gnus-add-text-properties
3364 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3365 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3367 (defun gnus-summary-extract-address-component (from)
3368 (or (car (funcall gnus-extract-address-components from))
3371 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3372 (let ((default-mime-charset (with-current-buffer gnus-summary-buffer
3373 default-mime-charset)))
3374 ;; Is it really necessary to do this next part for each summary line?
3375 ;; Luckily, doesn't seem to slow things down much.
3377 (and gnus-ignored-from-addresses
3378 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3379 (let ((extra-headers (mail-header-extra header))
3383 ((setq to (cdr (assq 'To extra-headers)))
3384 (concat gnus-summary-to-prefix
3386 (gnus-summary-extract-address-component
3387 (funcall gnus-decode-encoded-word-function to)))))
3388 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3389 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3390 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3392 (defun gnus-summary-insert-line (gnus-tmp-header
3393 gnus-tmp-level gnus-tmp-current
3394 undownloaded gnus-tmp-unread gnus-tmp-replied
3395 gnus-tmp-expirable gnus-tmp-subject-or-nil
3396 &optional gnus-tmp-dummy gnus-tmp-score
3398 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3399 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3400 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3401 (gnus-tmp-score-char
3402 (if (or (null gnus-summary-default-score)
3403 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3404 gnus-summary-zcore-fuzz))
3406 (if (< gnus-tmp-score gnus-summary-default-score)
3407 gnus-score-below-mark gnus-score-over-mark)))
3408 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3410 (cond (gnus-tmp-process gnus-process-mark)
3411 ((memq gnus-tmp-current gnus-newsgroup-cached)
3413 (gnus-tmp-replied gnus-replied-mark)
3414 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3415 gnus-forwarded-mark)
3416 ((memq gnus-tmp-current gnus-newsgroup-saved)
3418 ((memq gnus-tmp-number gnus-newsgroup-recent)
3420 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3423 (gnus-tmp-downloaded
3425 gnus-undownloaded-mark)
3426 (gnus-newsgroup-agentized
3427 gnus-downloaded-mark)
3430 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3433 ((string-match "<[^>]+> *$" gnus-tmp-from)
3434 (let ((beg (match-beginning 0)))
3435 (or (and (string-match "^\".+\"" gnus-tmp-from)
3436 (substring gnus-tmp-from 1 (1- (match-end 0))))
3437 (substring gnus-tmp-from 0 beg))))
3438 ((string-match "(.+)" gnus-tmp-from)
3439 (substring gnus-tmp-from
3440 (1+ (match-beginning 0)) (1- (match-end 0))))
3442 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3443 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3444 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3445 (buffer-read-only nil))
3446 (when (string= gnus-tmp-name "")
3447 (setq gnus-tmp-name gnus-tmp-from))
3448 (unless (numberp gnus-tmp-lines)
3449 (setq gnus-tmp-lines -1))
3450 (if (= gnus-tmp-lines -1)
3451 (setq gnus-tmp-lines "?")
3452 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3453 (gnus-put-text-property-excluding-characters-with-faces
3455 (progn (eval gnus-summary-line-format-spec) (point))
3456 'gnus-number gnus-tmp-number)
3457 (when (gnus-visual-p 'summary-highlight 'highlight)
3459 (gnus-run-hooks 'gnus-summary-update-hook)
3462 (defun gnus-summary-update-line (&optional dont-update)
3463 "Update summary line after change."
3464 (when (and gnus-summary-default-score
3465 (not gnus-summary-inhibit-highlight))
3466 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3467 (article (gnus-summary-article-number))
3468 (score (gnus-summary-article-score article)))
3470 (if (and gnus-summary-mark-below
3471 (< (gnus-summary-article-score)
3472 gnus-summary-mark-below))
3473 ;; This article has a low score, so we mark it as read.
3474 (when (memq article gnus-newsgroup-unreads)
3475 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3476 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3477 ;; This article was previously marked as read on account
3478 ;; of a low score, but now it has risen, so we mark it as
3480 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3481 (gnus-summary-update-mark
3482 (if (or (null gnus-summary-default-score)
3483 (<= (abs (- score gnus-summary-default-score))
3484 gnus-summary-zcore-fuzz))
3486 (if (< score gnus-summary-default-score)
3487 gnus-score-below-mark gnus-score-over-mark))
3489 ;; Do visual highlighting.
3490 (when (gnus-visual-p 'summary-highlight 'highlight)
3491 (gnus-run-hooks 'gnus-summary-update-hook)))))
3493 (defvar gnus-tmp-new-adopts nil)
3495 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3496 "Return the number of articles in THREAD.
3497 This may be 0 in some cases -- if none of the articles in
3498 the thread are to be displayed."
3500 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3502 ((not (listp thread))
3504 ((and (consp thread) (cdr thread))
3507 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3510 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3513 (when (and level (zerop level) gnus-tmp-new-adopts)
3516 'gnus-summary-number-of-articles-in-thread
3517 gnus-tmp-new-adopts))))
3519 (if (> number 1) gnus-not-empty-thread-mark
3520 gnus-empty-thread-mark)
3523 (defsubst gnus-summary-line-message-size (head)
3524 "Return pretty-printed version of message size.
3525 This function is intended to be used in
3526 `gnus-summary-line-format-alist'."
3527 (let ((c (or (mail-header-chars head) -1)))
3528 (cond ((< c 0) "n/a") ; chars not available
3529 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3530 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3531 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3532 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3535 (defun gnus-summary-set-local-parameters (group)
3536 "Go through the local params of GROUP and set all variable specs in that list."
3537 (let ((vars '(quit-config))) ; Ignore quit-config.
3538 (dolist (elem (gnus-group-find-parameter group))
3539 (and (consp elem) ; Has to be a cons.
3540 (consp (cdr elem)) ; The cdr has to be a list.
3541 (symbolp (car elem)) ; Has to be a symbol in there.
3542 (not (memq (car elem) vars))
3543 (ignore-errors ; So we set it.
3544 (push (car elem) vars)
3545 (make-local-variable (car elem))
3546 (set (car elem) (eval (nth 1 elem))))))))
3548 (defun gnus-summary-read-group (group &optional show-all no-article
3549 kill-buffer no-display backward
3551 "Start reading news in newsgroup GROUP.
3552 If SHOW-ALL is non-nil, already read articles are also listed.
3553 If NO-ARTICLE is non-nil, no article is selected initially.
3554 If NO-DISPLAY, don't generate a summary buffer."
3558 (let ((gnus-auto-select-next nil))
3559 (or (gnus-summary-read-group-1
3560 group show-all no-article
3561 kill-buffer no-display
3564 select-articles nil)))))
3565 (eq gnus-auto-select-next 'quietly))
3566 (set-buffer gnus-group-buffer)
3567 ;; The entry function called above goes to the next
3568 ;; group automatically, so we go two groups back
3569 ;; if we are searching for the previous group.
3571 (gnus-group-prev-unread-group 2))
3572 (if (not (equal group (gnus-group-group-name)))
3573 (setq group (gnus-group-group-name))
3577 (defun gnus-summary-jump-to-other-group (group &optional show-all)
3578 "Directly jump to the other GROUP from summary buffer.
3579 If SHOW-ALL is non-nil, already read articles are also listed."
3581 (if (eq gnus-summary-buffer (current-buffer))
3582 (list (completing-read
3583 "Group: " gnus-active-hashtb nil t
3584 (when (and gnus-newsgroup-name
3585 (string-match "[.:][^.:]+$" gnus-newsgroup-name))
3586 (substring gnus-newsgroup-name 0 (1+ (match-beginning 0))))
3587 'gnus-group-history)
3589 (error "%s must be invoked from a gnus summary buffer." this-command)))
3590 (unless (or (zerop (length group))
3591 (and gnus-newsgroup-name
3592 (string-equal gnus-newsgroup-name group)))
3594 (gnus-summary-read-group group show-all
3595 gnus-dont-select-after-jump-to-other-group)))
3597 (defun gnus-summary-read-group-1 (group show-all no-article
3598 kill-buffer no-display
3599 &optional select-articles)
3600 ;; Killed foreign groups can't be entered.
3601 ;; (when (and (not (gnus-group-native-p group))
3602 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3603 ;; (error "Dead non-native groups can't be entered"))
3604 (gnus-message 5 "Retrieving newsgroup: %s..."
3605 (gnus-group-decoded-name group))
3606 (let* ((new-group (gnus-summary-setup-buffer group))
3607 (quit-config (gnus-group-quit-config group))
3608 (did-select (and new-group (gnus-select-newsgroup
3609 group show-all select-articles))))
3611 ;; This summary buffer exists already, so we just select it.
3613 (gnus-set-global-variables)
3615 (gnus-kill-or-deaden-summary kill-buffer))
3616 (gnus-configure-windows 'summary 'force)
3617 (gnus-set-mode-line 'summary)
3618 (gnus-summary-position-point)
3621 ;; We couldn't select this group.
3623 (when (and (eq major-mode 'gnus-summary-mode)
3624 (not (equal (current-buffer) kill-buffer)))
3625 (kill-buffer (current-buffer))
3626 (if (not quit-config)
3628 ;; Update the info -- marks might need to be removed,
3630 (gnus-summary-update-info)
3631 (set-buffer gnus-group-buffer)
3632 (gnus-group-jump-to-group group)
3633 (gnus-group-next-unread-group 1))
3634 (gnus-handle-ephemeral-exit quit-config)))
3635 (let ((grpinfo (gnus-get-info group)))
3636 (if (null (gnus-info-read grpinfo))
3637 (gnus-message 3 "Group %s contains no messages"
3638 (gnus-group-decoded-name group))
3639 (gnus-message 3 "Can't select group")))
3641 ;; The user did a `C-g' while prompting for number of articles,
3642 ;; so we exit this group.
3643 ((eq did-select 'quit)
3644 (and (eq major-mode 'gnus-summary-mode)
3645 (not (equal (current-buffer) kill-buffer))
3646 (kill-buffer (current-buffer)))
3648 (gnus-kill-or-deaden-summary kill-buffer))
3649 (if (not quit-config)
3651 (set-buffer gnus-group-buffer)
3652 (gnus-group-jump-to-group group)
3653 (gnus-group-next-unread-group 1)
3654 (gnus-configure-windows 'group 'force))
3655 (gnus-handle-ephemeral-exit quit-config))
3656 ;; Finally signal the quit.
3658 ;; The group was successfully selected.
3660 (gnus-set-global-variables)
3661 ;; Save the active value in effect when the group was entered.
3662 (setq gnus-newsgroup-active
3664 (gnus-active gnus-newsgroup-name)))
3665 ;; You can change the summary buffer in some way with this hook.
3666 (gnus-run-hooks 'gnus-select-group-hook)
3667 (when (memq 'summary (gnus-update-format-specifications
3668 nil 'summary 'summary-mode 'summary-dummy))
3669 ;; The format specification for the summary line was updated,
3670 ;; so we need to update the mark positions as well.
3671 (gnus-update-summary-mark-positions))
3672 ;; Do score processing.
3673 (when gnus-use-scoring
3674 (gnus-possibly-score-headers))
3675 ;; Check whether to fill in the gaps in the threads.
3676 (when gnus-build-sparse-threads
3677 (gnus-build-sparse-threads))
3678 ;; Find the initial limit.
3680 (let ((gnus-newsgroup-dormant nil))
3681 (gnus-summary-initial-limit show-all))
3682 (gnus-summary-initial-limit show-all))
3683 ;; Generate the summary buffer.
3685 (gnus-summary-prepare))
3686 (when gnus-use-trees
3687 (gnus-tree-open group)
3688 (setq gnus-summary-highlight-line-function
3689 'gnus-tree-highlight-article))
3690 ;; If the summary buffer is empty, but there are some low-scored
3691 ;; articles or some excluded dormants, we include these in the
3693 (when (and (zerop (buffer-size))
3695 (cond (gnus-newsgroup-dormant
3696 (gnus-summary-limit-include-dormant))
3697 ((and gnus-newsgroup-scored show-all)
3698 (gnus-summary-limit-include-expunged t))))
3699 ;; Function `gnus-apply-kill-file' must be called in this hook.
3700 (gnus-run-hooks 'gnus-apply-kill-hook)
3701 (if (and (zerop (buffer-size))
3704 ;; This newsgroup is empty.
3705 (gnus-summary-catchup-and-exit nil t)
3706 (gnus-message 6 "No unread news")
3708 (gnus-kill-or-deaden-summary kill-buffer))
3709 ;; Return nil from this function.
3711 ;; Hide conversation thread subtrees. We cannot do this in
3712 ;; gnus-summary-prepare-hook since kill processing may not
3713 ;; work with hidden articles.
3714 (gnus-summary-maybe-hide-threads)
3716 (gnus-kill-or-deaden-summary kill-buffer))
3717 (gnus-summary-auto-select-subject)
3718 ;; Show first unread article if requested.
3719 (if (and (not no-article)
3721 gnus-newsgroup-unreads
3722 gnus-auto-select-first)
3724 (gnus-configure-windows 'summary)
3725 (let ((art (gnus-summary-article-number)))
3726 (unless (and (not gnus-plugged)
3727 (or (memq art gnus-newsgroup-undownloaded)
3728 (memq art gnus-newsgroup-downloadable)))
3729 (gnus-summary-goto-article art))))
3730 ;; Don't select any articles.
3731 (gnus-summary-position-point)
3732 (gnus-configure-windows 'summary 'force)
3733 (gnus-set-mode-line 'summary))
3734 (when (and gnus-auto-center-group
3735 (get-buffer-window gnus-group-buffer t))
3736 ;; Gotta use windows, because recenter does weird stuff if
3737 ;; the current buffer ain't the displayed window.
3738 (let ((owin (selected-window)))
3739 (select-window (get-buffer-window gnus-group-buffer t))
3740 (when (gnus-group-goto-group group)
3742 (select-window owin)))
3743 ;; Mark this buffer as "prepared".
3744 (setq gnus-newsgroup-prepared t)
3745 (gnus-run-hooks 'gnus-summary-prepared-hook)
3746 (unless (gnus-ephemeral-group-p group)
3747 (gnus-group-update-group group))
3750 (defun gnus-summary-auto-select-subject ()
3751 "Select the subject line on initial group entry."
3752 (goto-char (point-min))
3754 ((eq gnus-auto-select-subject 'best)
3755 (gnus-summary-best-unread-subject))
3756 ((eq gnus-auto-select-subject 'unread)
3757 (gnus-summary-first-unread-subject))
3758 ((eq gnus-auto-select-subject 'unseen)
3759 (gnus-summary-first-unseen-subject))
3760 ((eq gnus-auto-select-subject 'unseen-or-unread)
3761 (gnus-summary-first-unseen-or-unread-subject))
3762 ((eq gnus-auto-select-subject 'first)
3765 ((functionp gnus-auto-select-subject)
3766 (funcall gnus-auto-select-subject))))
3768 (defun gnus-summary-prepare ()
3769 "Generate the summary buffer."
3771 (let ((buffer-read-only nil))
3773 (setq gnus-newsgroup-data nil
3774 gnus-newsgroup-data-reverse nil)
3775 (gnus-run-hooks 'gnus-summary-generate-hook)
3776 ;; Generate the buffer, either with threads or without.
3777 (when gnus-newsgroup-headers
3778 (gnus-summary-prepare-threads
3779 (if gnus-show-threads
3780 (gnus-sort-gathered-threads
3781 (funcall gnus-summary-thread-gathering-function
3783 (gnus-cut-threads (gnus-make-threads)))))
3784 ;; Unthreaded display.
3785 (gnus-sort-articles gnus-newsgroup-headers))))
3786 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3787 ;; Call hooks for modifying summary buffer.
3788 (goto-char (point-min))
3789 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3791 (defsubst gnus-general-simplify-subject (subject)
3792 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3795 ;; Truncate the subject.
3796 (gnus-simplify-subject-functions
3797 (gnus-map-function gnus-simplify-subject-functions subject))
3798 ((numberp gnus-summary-gather-subject-limit)
3799 (setq subject (gnus-simplify-subject-re subject))
3800 (if (> (length subject) gnus-summary-gather-subject-limit)
3801 (substring subject 0 gnus-summary-gather-subject-limit)
3803 ;; Fuzzily simplify it.
3804 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3805 (gnus-simplify-subject-fuzzy subject))
3806 ;; Just remove the leading "Re:".
3808 (gnus-simplify-subject-re subject))))
3810 (if (and gnus-summary-gather-exclude-subject
3811 (string-match gnus-summary-gather-exclude-subject subject))
3812 nil ; This article shouldn't be gathered
3815 (defun gnus-summary-simplify-subject-query ()
3816 "Query where the respool algorithm would put this article."
3818 (gnus-summary-select-article)
3820 (gnus-general-simplify-subject (gnus-summary-article-subject))))
3822 (defun gnus-gather-threads-by-subject (threads)
3823 "Gather threads by looking at Subject headers."
3824 (if (not gnus-summary-make-false-root)
3826 (let ((hashtb (gnus-make-hashtable 1024))
3829 subject hthread whole-subject)
3831 (setq subject (gnus-general-simplify-subject
3832 (setq whole-subject (mail-header-subject
3835 (if (setq hthread (gnus-gethash subject hashtb))
3837 ;; We enter a dummy root into the thread, if we
3838 ;; haven't done that already.
3839 (unless (stringp (caar hthread))
3840 (setcar hthread (list whole-subject (car hthread))))
3841 ;; We add this new gathered thread to this gathered
3843 (setcdr (car hthread)
3844 (nconc (cdar hthread) (list (car threads))))
3845 ;; Remove it from the list of threads.
3846 (setcdr prev (cdr threads))
3847 (setq threads prev))
3848 ;; Enter this thread into the hash table.
3849 (gnus-sethash subject
3850 (if gnus-summary-make-false-root-always
3852 ;; If you want a dummy root above all
3854 (setcar threads (list whole-subject
3860 (setq threads (cdr threads)))
3863 (defun gnus-gather-threads-by-references (threads)
3864 "Gather threads by looking at References headers."
3865 (let ((idhashtb (gnus-make-hashtable 1024))
3866 (thhashtb (gnus-make-hashtable 1024))
3869 ids references id gthread gid entered ref)
3871 (when (setq references (mail-header-references (caar threads)))
3872 (setq id (mail-header-id (caar threads))
3873 ids (inline (gnus-split-references references))
3875 (while (setq ref (pop ids))
3876 (setq ids (delete ref ids))
3877 (if (not (setq gid (gnus-gethash ref idhashtb)))
3879 (gnus-sethash ref id idhashtb)
3880 (gnus-sethash id threads thhashtb))
3881 (setq gthread (gnus-gethash gid thhashtb))
3883 ;; We enter a dummy root into the thread, if we
3884 ;; haven't done that already.
3885 (unless (stringp (caar gthread))
3886 (setcar gthread (list (mail-header-subject (caar gthread))
3888 ;; We add this new gathered thread to this gathered
3890 (setcdr (car gthread)
3891 (nconc (cdar gthread) (list (car threads)))))
3892 ;; Add it into the thread hash table.
3893 (gnus-sethash id gthread thhashtb)
3895 ;; Remove it from the list of threads.
3896 (setcdr prev (cdr threads))
3897 (setq threads prev))))
3899 (setq threads (cdr threads)))
3902 (defun gnus-sort-gathered-threads (threads)
3903 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3904 (let ((result threads))
3906 (when (stringp (caar threads))
3907 (setcdr (car threads)
3908 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3909 (setq threads (cdr threads)))
3912 (defun gnus-thread-loop-p (root thread)
3913 "Say whether ROOT is in THREAD."
3914 (let ((stack (list thread))
3917 (while (setq thread (pop stack))
3918 (setq th (cdr thread))
3920 (not (eq (caar th) root)))
3923 ;; We have found a loop.
3925 (setcdr thread (delq (car th) (cdr thread)))
3926 (if (boundp (setq ref-dep (intern "none"
3927 gnus-newsgroup-dependencies)))
3928 (setcdr (symbol-value ref-dep)
3929 (nconc (cdr (symbol-value ref-dep))
3931 (set ref-dep (list nil (car th))))
3934 ;; Push all the subthreads onto the stack.
3935 (push (cdr thread) stack)))
3938 (defun gnus-make-threads ()
3939 "Go through the dependency hashtb and find the roots. Return all threads."
3941 (while (catch 'infloop
3944 ;; Deal with self-referencing References loops.
3945 (when (and (car (symbol-value refs))
3952 (car (symbol-value refs)) thread))
3953 (cdr (symbol-value refs)))))))
3956 (unless (car (symbol-value refs))
3957 ;; These threads do not refer back to any other articles,
3958 ;; so they're roots.
3959 (setq threads (append (cdr (symbol-value refs)) threads))))
3960 gnus-newsgroup-dependencies)))
3963 ;; Build the thread tree.
3964 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3965 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3967 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3968 if it was already present.
3970 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3971 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3972 Message-IDs will be renamed to a unique Message-ID before being
3975 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3976 (let* ((id (mail-header-id header))
3977 (id-dep (and id (intern id dependencies)))
3978 parent-id ref ref-dep ref-header replaced)
3979 ;; Enter this `header' in the `dependencies' table.
3983 ;; The first two cases do the normal part: enter a new `header'
3984 ;; in the `dependencies' table.
3985 ((not (boundp id-dep))
3986 (set id-dep (list header)))
3987 ((null (car (symbol-value id-dep)))
3988 (setcar (symbol-value id-dep) header))
3990 ;; From here the `header' was already present in the
3991 ;; `dependencies' table.
3993 ;; Overrides an existing entry;
3994 ;; just set the header part of the entry.
3995 (setcar (symbol-value id-dep) header)
3998 ;; Renames the existing `header' to a unique Message-ID.
3999 ((not gnus-summary-ignore-duplicates)
4000 ;; An article with this Message-ID has already been seen.
4001 ;; We rename the Message-ID.
4002 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4004 (mail-header-set-id header id))
4006 ;; The last case ignores an existing entry, except it adds any
4007 ;; additional Xrefs (in case the two articles came from different
4009 ;; Also sets `header' to `nil' meaning that the `dependencies'
4010 ;; table was *not* modified.
4012 (mail-header-set-xref
4013 (car (symbol-value id-dep))
4014 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4016 (or (mail-header-xref header) "")))
4019 (when (and header (not replaced))
4020 ;; First check that we are not creating a References loop.
4021 (setq parent-id (gnus-parent-id (mail-header-references header)))
4022 (setq ref parent-id)
4024 (setq ref-dep (intern-soft ref dependencies))
4026 (setq ref-header (car (symbol-value ref-dep))))
4027 (if (string= id ref)
4028 ;; Yuk! This is a reference loop. Make the article be a
4031 (mail-header-set-references (car (symbol-value id-dep)) "none")
4033 (setq parent-id nil))
4034 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4035 (setq ref-dep (intern (or parent-id "none") dependencies))
4036 (if (boundp ref-dep)
4037 (setcdr (symbol-value ref-dep)
4038 (nconc (cdr (symbol-value ref-dep))
4039 (list (symbol-value id-dep))))
4040 (set ref-dep (list nil (symbol-value id-dep)))))
4043 (defun gnus-extract-message-id-from-in-reply-to (string)
4044 (if (string-match "<[^>]+>" string)
4045 (substring string (match-beginning 0) (match-end 0))
4048 (defun gnus-build-sparse-threads ()
4049 (let ((headers gnus-newsgroup-headers)
4050 (mail-parse-charset gnus-newsgroup-charset)
4051 (gnus-summary-ignore-duplicates t)
4052 header references generation relations
4053 subject child end new-child date)
4054 ;; First we create an alist of generations/relations, where
4055 ;; generations is how much we trust the relation, and the relation
4057 (gnus-message 7 "Making sparse threads...")
4059 (nnheader-set-temp-buffer " *gnus sparse threads*")
4060 (while (setq header (pop headers))
4061 (when (and (setq references (mail-header-references header))
4062 (not (string= references "")))
4064 (setq child (mail-header-id header)
4065 subject (mail-header-subject header)
4066 date (mail-header-date header)
4068 (while (search-backward ">" nil t)
4069 (setq end (1+ (point)))
4070 (when (search-backward "<" nil t)
4071 (setq new-child (buffer-substring (point) end))
4072 (push (list (incf generation)
4073 child (setq child new-child)
4077 (push (list (1+ generation) child nil subject) relations))
4079 (kill-buffer (current-buffer)))
4080 ;; Sort over trustworthiness.
4083 (when (gnus-dependencies-add-header
4084 (make-full-mail-header-from-decoded-header
4085 gnus-reffed-article-number
4086 (nth 3 relation) "" (or (nth 4 relation) "")
4088 (or (nth 2 relation) "") 0 0 "")
4089 gnus-newsgroup-dependencies nil)
4090 (push gnus-reffed-article-number gnus-newsgroup-limit)
4091 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4092 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4093 gnus-newsgroup-reads)
4094 (decf gnus-reffed-article-number)))
4095 (sort relations 'car-less-than-car))
4096 (gnus-message 7 "Making sparse threads...done")))
4098 (defun gnus-build-old-threads ()
4099 ;; Look at all the articles that refer back to old articles, and
4100 ;; fetch the headers for the articles that aren't there. This will
4101 ;; build complete threads - if the roots haven't been expired by the
4103 (let ((mail-parse-charset gnus-newsgroup-charset)
4107 (when (not (car (symbol-value refs)))
4108 (setq heads (cdr (symbol-value refs)))
4110 (if (memq (mail-header-number (caar heads))
4111 gnus-newsgroup-dormant)
4112 (setq heads (cdr heads))
4113 (setq id (symbol-name refs))
4114 (while (and (setq id (gnus-build-get-header id))
4115 (not (car (gnus-id-to-thread id)))))
4116 (setq heads nil)))))
4117 gnus-newsgroup-dependencies)))
4119 (defsubst gnus-remove-odd-characters (string)
4120 "Translate STRING into something that doesn't contain weird characters."
4121 (mm-subst-char-in-string
4123 (mm-subst-char-in-string ?\n ?\- string t) t))
4125 ;; This function has to be called with point after the article number
4126 ;; on the beginning of the line.
4127 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4128 (let ((eol (point-at-eol))
4129 (buffer (current-buffer))
4130 header references in-reply-to)
4132 ;; overview: [num subject from date id refs chars lines misc]
4135 (narrow-to-region (point) eol)
4140 (make-full-mail-header
4142 (nnheader-nov-field) ; subject
4143 (nnheader-nov-field) ; from
4144 (nnheader-nov-field) ; date
4145 (nnheader-nov-read-message-id number) ; id
4146 (setq references (nnheader-nov-field)) ; refs
4147 (nnheader-nov-read-integer) ; chars
4148 (nnheader-nov-read-integer) ; lines
4150 (if (looking-at "Xref: ")
4151 (goto-char (match-end 0)))
4152 (nnheader-nov-field)) ; Xref
4153 (nnheader-nov-parse-extra)))) ; extra
4157 (when (and (string= references "")
4158 (setq in-reply-to (mail-header-extra header))
4159 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4160 (mail-header-set-references
4161 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4163 (when gnus-alter-header-function
4164 (funcall gnus-alter-header-function header))
4165 (gnus-dependencies-add-header header dependencies force-new)))
4167 (defun gnus-build-get-header (id)
4168 "Look through the buffer of NOV lines and find the header to ID.
4169 Enter this line into the dependencies hash table, and return
4170 the id of the parent article (if any)."
4171 (let ((deps gnus-newsgroup-dependencies)
4175 (set-buffer nntp-server-buffer)
4176 (let ((case-fold-search nil))
4177 (goto-char (point-min))
4178 (while (and (not found)
4179 (search-forward id nil t))
4181 (setq found (looking-at
4182 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4183 (regexp-quote id))))
4184 (or found (beginning-of-line 2)))
4188 (setq header (gnus-nov-parse-line
4189 (read (current-buffer)) deps))
4190 (gnus-parent-id (mail-header-references header))))))
4192 (let ((number (mail-header-number header)))
4193 (push number gnus-newsgroup-limit)
4194 (push header gnus-newsgroup-headers)
4195 (if (memq number gnus-newsgroup-unselected)
4197 (setq gnus-newsgroup-unreads
4198 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4200 (setq gnus-newsgroup-unselected
4201 (delq number gnus-newsgroup-unselected)))
4202 (push number gnus-newsgroup-ancient)))))))
4204 (defun gnus-build-all-threads ()
4205 "Read all the headers."
4206 (let ((gnus-summary-ignore-duplicates t)
4207 (mail-parse-charset gnus-newsgroup-charset)
4208 (dependencies gnus-newsgroup-dependencies)
4211 (set-buffer nntp-server-buffer)
4212 (let ((case-fold-search nil))
4213 (goto-char (point-min))
4216 (setq article (read (current-buffer))
4217 header (gnus-nov-parse-line article dependencies)))
4219 (with-current-buffer gnus-summary-buffer
4220 (push header gnus-newsgroup-headers)
4221 (if (memq (setq article (mail-header-number header))
4222 gnus-newsgroup-unselected)
4224 (setq gnus-newsgroup-unreads
4225 (gnus-add-to-sorted-list
4226 gnus-newsgroup-unreads article))
4227 (setq gnus-newsgroup-unselected
4228 (delq article gnus-newsgroup-unselected)))
4229 (push article gnus-newsgroup-ancient)))
4230 (forward-line 1)))))))
4232 (defun gnus-summary-update-article-line (article header)
4233 "Update the line for ARTICLE using HEADER."
4234 (let* ((id (mail-header-id header))
4235 (thread (gnus-id-to-thread id)))
4237 (error "Article in no thread"))
4238 ;; Update the thread.
4239 (setcar thread header)
4240 (gnus-summary-goto-subject article)
4241 (let* ((datal (gnus-data-find-list article))
4243 (buffer-read-only nil)
4244 (level (gnus-summary-thread-level)))
4246 (let ((inserted (- (point)
4248 (gnus-summary-insert-line
4250 (memq article gnus-newsgroup-undownloaded)
4251 (gnus-article-mark article)
4252 (memq article gnus-newsgroup-replied)
4253 (memq article gnus-newsgroup-expirable)
4254 ;; Only insert the Subject string when it's different
4255 ;; from the previous Subject string.
4260 (mail-header-subject
4263 (gnus-data-find-list
4265 (gnus-data-list t)))))
4266 ;; Error on the side of excessive subjects.
4268 (mail-header-subject header)))
4270 (mail-header-subject header))
4271 nil (cdr (assq article gnus-newsgroup-scored))
4272 (memq article gnus-newsgroup-processable))
4275 (gnus-data-update-list
4277 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4279 (defun gnus-summary-update-article (article &optional iheader)
4280 "Update ARTICLE in the summary buffer."
4281 (set-buffer gnus-summary-buffer)
4282 (let* ((header (gnus-summary-article-header article))
4283 (id (mail-header-id header))
4284 (data (gnus-data-find article))
4285 (thread (gnus-id-to-thread id))
4286 (references (mail-header-references header))
4290 (when (and references
4291 (not (equal "" references)))
4294 (buffer-read-only nil)
4300 (delq thread parent)))
4301 (if (gnus-summary-insert-subject id header)
4302 ;; Set the (possibly) new article number in the data structure.
4303 (gnus-data-set-number data (gnus-id-to-article id))
4307 (defun gnus-rebuild-thread (id &optional line)
4308 "Rebuild the thread containing ID.
4309 If LINE, insert the rebuilt thread starting on line LINE."
4310 (let ((buffer-read-only nil)
4311 old-pos current thread data)
4312 (if (not gnus-show-threads)
4313 (setq thread (list (car (gnus-id-to-thread id))))
4314 ;; Get the thread this article is part of.
4315 (setq thread (gnus-remove-thread id)))
4316 (setq old-pos (point-at-bol))
4317 (setq current (save-excursion
4318 (and (re-search-backward "[\r\n]" nil t)
4319 (gnus-summary-article-number))))
4320 ;; If this is a gathered thread, we have to go some re-gathering.
4321 (when (stringp (car thread))
4322 (let ((subject (car thread))
4324 (setq thread (cdr thread))
4326 (unless (memq (setq thr (gnus-id-to-thread
4328 (mail-header-id (caar thread)))))
4331 (setq thread (cdr thread)))
4332 ;; We now have all (unique) roots.
4333 (if (= (length roots) 1)
4334 ;; All the loose roots are now one solid root.
4335 (setq thread (car roots))
4336 (setq thread (cons subject (gnus-sort-threads roots))))))
4338 ;; We then insert this thread into the summary buffer.
4340 (goto-char (point-min))
4341 (forward-line (1- line)))
4342 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4343 (if gnus-show-threads
4344 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4345 (gnus-summary-prepare-unthreaded thread))
4346 (setq data (nreverse gnus-newsgroup-data))
4347 (setq threads gnus-newsgroup-threads))
4348 ;; We splice the new data into the data structure.
4349 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4350 ;;!!! then we want to insert at the beginning of the buffer.
4351 ;;!!! That happens to be true with Gnus now, but that may
4352 ;;!!! change in the future. Perhaps.
4353 (gnus-data-enter-list
4354 (if line nil current) data (- (point) old-pos))
4355 (setq gnus-newsgroup-threads
4356 (nconc threads gnus-newsgroup-threads))
4357 (gnus-data-compute-positions))))
4359 (defun gnus-number-to-header (number)
4360 "Return the header for article NUMBER."
4361 (let ((headers gnus-newsgroup-headers))
4363 (not (= number (mail-header-number (car headers)))))
4368 (defun gnus-parent-headers (in-headers &optional generation)
4369 "Return the headers of the GENERATIONeth parent of HEADERS."
4371 (setq generation 1))
4373 (headers in-headers)
4376 (not (zerop generation))
4377 (setq references (mail-header-references headers)))
4378 (setq headers (if (and references
4379 (setq parent (gnus-parent-id references)))
4380 (car (gnus-id-to-thread parent))
4383 (and (not (eq headers in-headers))
4386 (defun gnus-id-to-thread (id)
4387 "Return the (sub-)thread where ID appears."
4388 (gnus-gethash id gnus-newsgroup-dependencies))
4390 (defun gnus-id-to-article (id)
4391 "Return the article number of ID."
4392 (let ((thread (gnus-id-to-thread id)))
4395 (mail-header-number (car thread)))))
4397 (defun gnus-id-to-header (id)
4398 "Return the article headers of ID."
4399 (car (gnus-id-to-thread id)))
4401 (defun gnus-article-displayed-root-p (article)
4402 "Say whether ARTICLE is a root(ish) article."
4403 (let ((level (gnus-summary-thread-level article))
4404 (refs (mail-header-references (gnus-summary-article-header article)))
4410 ((null (gnus-parent-id refs)) t)
4412 (null (setq particle (gnus-id-to-article
4413 (gnus-parent-id refs))))
4414 (null (gnus-summary-thread-level particle)))))))
4416 (defun gnus-root-id (id)
4417 "Return the id of the root of the thread where ID appears."
4419 (while (and id (setq prev (car (gnus-id-to-thread id))))
4421 id (gnus-parent-id (mail-header-references prev))))
4424 (defun gnus-articles-in-thread (thread)
4425 "Return the list of articles in THREAD."
4426 (cons (mail-header-number (car thread))
4427 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4429 (defun gnus-remove-thread (id &optional dont-remove)
4430 "Remove the thread that has ID in it."
4431 (let (headers thread last-id)
4432 ;; First go up in this thread until we find the root.
4433 (setq last-id (gnus-root-id id)
4434 headers (message-flatten-list (gnus-id-to-thread last-id)))
4435 ;; We have now found the real root of this thread. It might have
4436 ;; been gathered into some loose thread, so we have to search
4437 ;; through the threads to find the thread we wanted.
4438 (let ((threads gnus-newsgroup-threads)
4441 (setq sub (car threads))
4442 (if (stringp (car sub))
4443 ;; This is a gathered thread, so we look at the roots
4444 ;; below it to find whether this article is in this
4447 (setq sub (cdr sub))
4449 (when (member (caar sub) headers)
4450 (setq thread (car threads)
4453 (setq sub (cdr sub))))
4454 ;; It's an ordinary thread, so we check it.
4455 (when (eq (car sub) (car headers))
4458 (setq threads (cdr threads)))
4459 ;; If this article is in no thread, then it's a root.
4462 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4463 (setq thread (gnus-id-to-thread last-id)))
4466 thread ; We return this thread.
4468 (if (stringp (car thread))
4470 ;; If we use dummy roots, then we have to remove the
4471 ;; dummy root as well.
4472 (when (eq gnus-summary-make-false-root 'dummy)
4473 ;; We go to the dummy root by going to
4474 ;; the first sub-"thread", and then one line up.
4475 (gnus-summary-goto-article
4476 (mail-header-number (caadr thread)))
4479 (gnus-data-compute-positions))
4480 (setq thread (cdr thread))
4482 (gnus-remove-thread-1 (car thread))
4483 (setq thread (cdr thread))))
4484 (gnus-remove-thread-1 thread))))))))
4486 (defun gnus-remove-thread-1 (thread)
4487 "Remove the thread THREAD recursively."
4488 (let ((number (mail-header-number (pop thread)))
4490 (setq thread (reverse thread))
4492 (gnus-remove-thread-1 (pop thread)))
4493 (when (setq d (gnus-data-find number))
4494 (goto-char (gnus-data-pos d))
4495 (gnus-summary-show-thread)
4501 (gnus-delete-line)))))))
4503 (defun gnus-sort-threads-1 (threads func)
4504 (sort (mapcar (lambda (thread)
4507 (gnus-sort-threads-1 (cdr thread) func))))
4510 (defun gnus-sort-threads (threads)
4512 (if (not gnus-thread-sort-functions)
4514 (gnus-message 8 "Sorting threads...")
4515 (let ((max-lisp-eval-depth 5000))
4516 (prog1 (gnus-sort-threads-1
4518 (gnus-make-sort-function gnus-thread-sort-functions))
4519 (gnus-message 8 "Sorting threads...done")))))
4521 (defun gnus-sort-articles (articles)
4523 (when gnus-article-sort-functions
4524 (gnus-message 7 "Sorting articles...")
4526 (setq gnus-newsgroup-headers
4527 (sort articles (gnus-make-sort-function
4528 gnus-article-sort-functions)))
4529 (gnus-message 7 "Sorting articles...done"))))
4531 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4532 (defmacro gnus-thread-header (thread)
4533 "Return header of first article in THREAD.
4534 Note that THREAD must never, ever be anything else than a variable -
4535 using some other form will lead to serious barfage."
4536 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4537 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4538 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4541 (defsubst gnus-article-sort-by-number (h1 h2)
4542 "Sort articles by article number."
4543 (< (mail-header-number h1)
4544 (mail-header-number h2)))
4546 (defun gnus-thread-sort-by-number (h1 h2)
4547 "Sort threads by root article number."
4548 (gnus-article-sort-by-number
4549 (gnus-thread-header h1) (gnus-thread-header h2)))
4551 (defsubst gnus-article-sort-by-random (h1 h2)
4552 "Sort articles by article number."
4555 (defun gnus-thread-sort-by-random (h1 h2)
4556 "Sort threads by root article number."
4557 (gnus-article-sort-by-random
4558 (gnus-thread-header h1) (gnus-thread-header h2)))
4560 (defsubst gnus-article-sort-by-lines (h1 h2)
4561 "Sort articles by article Lines header."
4562 (< (mail-header-lines h1)
4563 (mail-header-lines h2)))
4565 (defun gnus-thread-sort-by-lines (h1 h2)
4566 "Sort threads by root article Lines header."
4567 (gnus-article-sort-by-lines
4568 (gnus-thread-header h1) (gnus-thread-header h2)))
4570 (defsubst gnus-article-sort-by-chars (h1 h2)
4571 "Sort articles by octet length."
4572 (< (mail-header-chars h1)
4573 (mail-header-chars h2)))
4575 (defun gnus-thread-sort-by-chars (h1 h2)
4576 "Sort threads by root article octet length."
4577 (gnus-article-sort-by-chars
4578 (gnus-thread-header h1) (gnus-thread-header h2)))
4580 (defsubst gnus-article-sort-by-author (h1 h2)
4581 "Sort articles by root author."
4583 (let ((addr (car (mime-entity-read-field h1 'From))))
4584 (or (std11-full-name-string addr)
4585 (std11-address-string addr)
4587 (let ((addr (car (mime-entity-read-field h2 'From))))
4588 (or (std11-full-name-string addr)
4589 (std11-address-string addr)
4593 (defun gnus-thread-sort-by-author (h1 h2)
4594 "Sort threads by root author."
4595 (gnus-article-sort-by-author
4596 (gnus-thread-header h1) (gnus-thread-header h2)))
4598 (defsubst gnus-article-sort-by-recipient (h1 h2)
4599 "Sort articles by recipient."
4601 (let ((extract (funcall
4602 gnus-extract-address-components
4603 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4604 (or (car extract) (cadr extract)))
4605 (let ((extract (funcall
4606 gnus-extract-address-components
4607 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4608 (or (car extract) (cadr extract)))))
4610 (defun gnus-thread-sort-by-recipient (h1 h2)
4611 "Sort threads by root recipient."
4612 (gnus-article-sort-by-recipient
4613 (gnus-thread-header h1) (gnus-thread-header h2)))
4615 (defsubst gnus-article-sort-by-subject (h1 h2)
4616 "Sort articles by root subject."
4618 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4619 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4621 (defun gnus-thread-sort-by-subject (h1 h2)
4622 "Sort threads by root subject."
4623 (gnus-article-sort-by-subject
4624 (gnus-thread-header h1) (gnus-thread-header h2)))
4626 (defsubst gnus-article-sort-by-date (h1 h2)
4627 "Sort articles by root article date."
4629 (gnus-date-get-time (mail-header-date h1))
4630 (gnus-date-get-time (mail-header-date h2))))
4632 (defun gnus-thread-sort-by-date (h1 h2)
4633 "Sort threads by root article date."
4634 (gnus-article-sort-by-date
4635 (gnus-thread-header h1) (gnus-thread-header h2)))
4637 (defsubst gnus-article-sort-by-score (h1 h2)
4638 "Sort articles by root article score.
4639 Unscored articles will be counted as having a score of zero."
4640 (> (or (cdr (assq (mail-header-number h1)
4641 gnus-newsgroup-scored))
4642 gnus-summary-default-score 0)
4643 (or (cdr (assq (mail-header-number h2)
4644 gnus-newsgroup-scored))
4645 gnus-summary-default-score 0)))
4647 (defun gnus-thread-sort-by-score (h1 h2)
4648 "Sort threads by root article score."
4649 (gnus-article-sort-by-score
4650 (gnus-thread-header h1) (gnus-thread-header h2)))
4652 (defun gnus-thread-sort-by-total-score (h1 h2)
4653 "Sort threads by the sum of all scores in the thread.
4654 Unscored articles will be counted as having a score of zero."
4655 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4657 (defun gnus-thread-total-score (thread)
4658 ;; This function find the total score of THREAD.
4663 (if (stringp (car thread))
4664 (apply gnus-thread-score-function 0
4665 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4666 (gnus-thread-total-score-1 thread)))
4668 (gnus-thread-total-score-1 (list thread)))))
4670 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4671 "Sort threads such that the thread with the most recently arrived article comes first."
4672 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4674 (defun gnus-thread-highest-number (thread)
4675 "Return the highest article number in THREAD."
4676 (apply 'max (mapcar (lambda (header)
4677 (mail-header-number header))
4678 (message-flatten-list thread))))
4680 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4681 "Sort threads such that the thread with the most recently dated article comes first."
4682 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4684 (defun gnus-thread-latest-date (thread)
4685 "Return the highest article date in THREAD."
4686 (let ((previous-time 0))
4692 (time-to-seconds (mail-header-parse-date
4693 (mail-header-date header)))
4694 (error previous-time))))
4696 (message-flatten-list thread)
4698 (< (mail-header-number h1)
4699 (mail-header-number h2))))))))
4701 (defun gnus-thread-total-score-1 (root)
4702 ;; This function find the total score of the thread below ROOT.
4703 (setq root (car root))
4704 (apply gnus-thread-score-function
4706 (mapcar 'gnus-thread-total-score
4707 (cdr (gnus-id-to-thread (mail-header-id root))))
4708 (when (> (mail-header-number root) 0)
4709 (list (or (cdr (assq (mail-header-number root)
4710 gnus-newsgroup-scored))
4711 gnus-summary-default-score 0))))
4712 (list gnus-summary-default-score)
4715 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4716 (defvar gnus-tmp-prev-subject nil)
4717 (defvar gnus-tmp-false-parent nil)
4718 (defvar gnus-tmp-root-expunged nil)
4719 (defvar gnus-tmp-dummy-line nil)
4721 (eval-when-compile (defvar gnus-tmp-header))
4722 (defun gnus-extra-header (type &optional header)
4723 "Return the extra header of TYPE."
4724 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4727 (defvar gnus-tmp-thread-tree-header-string "")
4729 (defcustom gnus-sum-thread-tree-root "> "
4730 "With %B spec, used for the root of a thread.
4731 If nil, use subject instead."
4733 :type '(radio (const :format "%v " nil) string)
4734 :group 'gnus-thread)
4736 (defcustom gnus-sum-thread-tree-false-root "> "
4737 "With %B spec, used for a false root of a thread.
4738 If nil, use subject instead."
4740 :type '(radio (const :format "%v " nil) string)
4741 :group 'gnus-thread)
4743 (defcustom gnus-sum-thread-tree-single-indent ""
4744 "With %B spec, used for a thread with just one message.
4745 If nil, use subject instead."
4747 :type '(radio (const :format "%v " nil) string)
4748 :group 'gnus-thread)
4750 (defcustom gnus-sum-thread-tree-vertical "| "
4751 "With %B spec, used for drawing a vertical line."
4754 :group 'gnus-thread)
4756 (defcustom gnus-sum-thread-tree-indent " "
4757 "With %B spec, used for indenting."
4760 :group 'gnus-thread)
4762 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4763 "With %B spec, used for a leaf with brothers."
4766 :group 'gnus-thread)
4768 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4769 "With %B spec, used for a leaf without brothers."
4772 :group 'gnus-thread)
4774 (defun gnus-summary-prepare-threads (threads)
4775 "Prepare summary buffer from THREADS and indentation LEVEL.
4776 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4777 or a straight list of headers."
4778 (gnus-message 7 "Generating summary...")
4780 (setq gnus-newsgroup-threads threads)
4783 (let ((gnus-tmp-level 0)
4784 (default-score (or gnus-summary-default-score 0))
4785 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4786 (building-line-count gnus-summary-display-while-building)
4787 (building-count (integerp gnus-summary-display-while-building))
4788 thread number subject stack state gnus-tmp-gathered beg-match
4789 new-roots gnus-tmp-new-adopts thread-end simp-subject
4790 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4791 gnus-tmp-replied gnus-tmp-subject-or-nil
4792 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4793 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4794 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4797 (setq gnus-tmp-prev-subject nil
4798 gnus-tmp-thread-tree-header-string "")
4800 (if (vectorp (car threads))
4801 ;; If this is a straight (sic) list of headers, then a
4802 ;; threaded summary display isn't required, so we just create
4803 ;; an unthreaded one.
4804 (gnus-summary-prepare-unthreaded threads)
4806 ;; Do the threaded display.
4808 (if gnus-summary-display-while-building
4809 (switch-to-buffer (buffer-name)))
4810 (while (or threads stack gnus-tmp-new-adopts new-roots)
4812 (if (and (= gnus-tmp-level 0)
4815 (not gnus-tmp-false-parent)
4816 (or gnus-tmp-new-adopts new-roots))
4817 (if gnus-tmp-new-adopts
4818 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4819 thread (list (car gnus-tmp-new-adopts))
4820 gnus-tmp-header (caar thread)
4821 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4823 (setq thread (list (car new-roots))
4824 gnus-tmp-header (caar thread)
4825 new-roots (cdr new-roots))))
4828 ;; If there are some threads, we do them before the
4829 ;; threads on the stack.
4830 (setq thread threads
4831 gnus-tmp-header (caar thread))
4832 ;; There were no current threads, so we pop something off
4834 (setq state (car stack)
4835 gnus-tmp-level (car state)
4836 tree-stack (cadr state)
4837 thread (caddr state)
4839 gnus-tmp-header (caar thread))))
4841 (setq gnus-tmp-false-parent nil)
4842 (setq gnus-tmp-root-expunged nil)
4843 (setq thread-end nil)
4845 (if (stringp gnus-tmp-header)
4846 ;; The header is a dummy root.
4848 ((eq gnus-summary-make-false-root 'adopt)
4849 ;; We let the first article adopt the rest.
4850 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4852 (setq gnus-tmp-gathered
4854 (lambda (h) (mail-header-number (car h)))
4857 (setq thread (cons (list (caar thread)
4860 (setq gnus-tmp-level -1
4861 gnus-tmp-false-parent t))
4862 ((eq gnus-summary-make-false-root 'empty)
4863 ;; We print adopted articles with empty subject fields.
4864 (setq gnus-tmp-gathered
4866 (lambda (h) (mail-header-number (car h)))
4869 (setq gnus-tmp-level -1))
4870 ((eq gnus-summary-make-false-root 'dummy)
4871 ;; We remember that we probably want to output a dummy
4873 (setq gnus-tmp-dummy-line gnus-tmp-header)
4874 (setq gnus-tmp-prev-subject gnus-tmp-header))
4876 ;; We do not make a root for the gathered
4877 ;; sub-threads at all.
4878 (setq gnus-tmp-level -1)))
4880 (setq number (mail-header-number gnus-tmp-header)
4881 subject (mail-header-subject gnus-tmp-header)
4882 simp-subject (gnus-simplify-subject-fully subject))
4885 ;; If the thread has changed subject, we might want to make
4886 ;; this subthread into a root.
4887 ((and (null gnus-thread-ignore-subject)
4888 (not (zerop gnus-tmp-level))
4889 gnus-tmp-prev-subject
4890 (not (string= gnus-tmp-prev-subject simp-subject)))
4891 (setq new-roots (nconc new-roots (list (car thread)))
4893 gnus-tmp-header nil))
4894 ;; If the article lies outside the current limit,
4895 ;; then we do not display it.
4896 ((not (memq number gnus-newsgroup-limit))
4897 (setq gnus-tmp-gathered
4899 (lambda (h) (mail-header-number (car h)))
4902 (setq gnus-tmp-new-adopts (if (cdar thread)
4903 (append gnus-tmp-new-adopts
4905 gnus-tmp-new-adopts)
4907 gnus-tmp-header nil)
4908 (when (zerop gnus-tmp-level)
4909 (setq gnus-tmp-root-expunged t)))
4910 ;; Perhaps this article is to be marked as read?
4911 ((and gnus-summary-mark-below
4912 (< (or (cdr (assq number gnus-newsgroup-scored))
4914 gnus-summary-mark-below)
4915 ;; Don't touch sparse articles.
4916 (not (gnus-summary-article-sparse-p number))
4917 (not (gnus-summary-article-ancient-p number)))
4918 (setq gnus-newsgroup-unreads
4919 (delq number gnus-newsgroup-unreads))
4920 (if gnus-newsgroup-auto-expire
4921 (setq gnus-newsgroup-expirable
4922 (gnus-add-to-sorted-list
4923 gnus-newsgroup-expirable number))
4924 (push (cons number gnus-low-score-mark)
4925 gnus-newsgroup-reads))))
4927 (when gnus-tmp-header
4928 ;; We may have an old dummy line to output before this
4930 (when (and gnus-tmp-dummy-line
4933 (mail-header-subject gnus-tmp-header)))
4934 (gnus-summary-insert-dummy-line
4935 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4936 (setq gnus-tmp-dummy-line nil))
4938 ;; Compute the mark.
4939 (setq gnus-tmp-unread (gnus-article-mark number))
4941 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4942 gnus-tmp-header gnus-tmp-level)
4943 gnus-newsgroup-data)
4945 ;; Actually insert the line.
4947 gnus-tmp-subject-or-nil
4949 ((and gnus-thread-ignore-subject
4950 gnus-tmp-prev-subject
4951 (not (string= gnus-tmp-prev-subject simp-subject)))
4953 ((zerop gnus-tmp-level)
4954 (if (and (eq gnus-summary-make-false-root 'empty)
4955 (memq number gnus-tmp-gathered)
4956 gnus-tmp-prev-subject
4957 (string= gnus-tmp-prev-subject simp-subject))
4958 gnus-summary-same-subject
4960 (t gnus-summary-same-subject)))
4961 (if (and (eq gnus-summary-make-false-root 'adopt)
4962 (= gnus-tmp-level 1)
4963 (memq number gnus-tmp-gathered))
4964 (setq gnus-tmp-opening-bracket ?\<
4965 gnus-tmp-closing-bracket ?\>)
4966 (setq gnus-tmp-opening-bracket ?\[
4967 gnus-tmp-closing-bracket ?\]))
4969 gnus-tmp-indentation
4970 (aref gnus-thread-indent-array gnus-tmp-level)
4971 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4972 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4973 gnus-summary-default-score 0)
4975 (if (or (null gnus-summary-default-score)
4976 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4977 gnus-summary-zcore-fuzz))
4979 (if (< gnus-tmp-score gnus-summary-default-score)
4980 gnus-score-below-mark gnus-score-over-mark))
4982 (cond ((memq number gnus-newsgroup-processable)
4984 ((memq number gnus-newsgroup-cached)
4986 ((memq number gnus-newsgroup-replied)
4988 ((memq number gnus-newsgroup-forwarded)
4989 gnus-forwarded-mark)
4990 ((memq number gnus-newsgroup-saved)
4992 ((memq number gnus-newsgroup-recent)
4994 ((memq number gnus-newsgroup-unseen)
4998 (cond ((memq number gnus-newsgroup-undownloaded)
4999 gnus-undownloaded-mark)
5000 (gnus-newsgroup-agentized
5001 gnus-downloaded-mark)
5004 gnus-tmp-from (mail-header-from gnus-tmp-header)
5007 ((string-match "<[^>]+> *$" gnus-tmp-from)
5008 (setq beg-match (match-beginning 0))
5009 (or (and (string-match "^\".+\"" gnus-tmp-from)
5010 (substring gnus-tmp-from 1 (1- (match-end 0))))
5011 (substring gnus-tmp-from 0 beg-match)))
5012 ((string-match "(.+)" gnus-tmp-from)
5013 (substring gnus-tmp-from
5014 (1+ (match-beginning 0)) (1- (match-end 0))))
5018 gnus-tmp-thread-tree-header-string
5020 ((not gnus-show-threads) "")
5021 ((zerop gnus-tmp-level)
5022 (cond ((cdar thread)
5023 (or gnus-sum-thread-tree-root subject))
5024 (gnus-tmp-new-adopts
5025 (or gnus-sum-thread-tree-false-root subject))
5027 (or gnus-sum-thread-tree-single-indent subject))))
5029 (concat (apply 'concat
5030 (mapcar (lambda (item)
5032 gnus-sum-thread-tree-vertical
5033 gnus-sum-thread-tree-indent))
5034 (cdr (reverse tree-stack))))
5036 gnus-sum-thread-tree-leaf-with-other
5037 gnus-sum-thread-tree-single-leaf)))))
5038 (when (string= gnus-tmp-name "")
5039 (setq gnus-tmp-name gnus-tmp-from))
5040 (unless (numberp gnus-tmp-lines)
5041 (setq gnus-tmp-lines -1))
5042 (if (= gnus-tmp-lines -1)
5043 (setq gnus-tmp-lines "?")
5044 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5045 (gnus-put-text-property
5047 (progn (eval gnus-summary-line-format-spec) (point))
5048 'gnus-number number)
5051 (gnus-run-hooks 'gnus-summary-update-hook)
5054 (setq gnus-tmp-prev-subject simp-subject)))
5056 (when (nth 1 thread)
5057 (push (list (max 0 gnus-tmp-level)
5058 (copy-sequence tree-stack)
5061 (push (if (nth 1 thread) 1 0) tree-stack)
5062 (incf gnus-tmp-level)
5063 (setq threads (if thread-end nil (cdar thread)))
5064 (if gnus-summary-display-while-building
5067 ;; use a set frequency
5068 (setq building-line-count (1- building-line-count))
5069 (when (= building-line-count 0)
5071 (setq building-line-count
5072 gnus-summary-display-while-building)))
5076 (setq gnus-tmp-level 0)))))
5077 (gnus-message 7 "Generating summary...done"))
5079 (defun gnus-summary-prepare-unthreaded (headers)
5080 "Generate an unthreaded summary buffer based on HEADERS."
5081 (let (header number mark)
5086 ;; We may have to root out some bad articles...
5087 (when (memq (setq number (mail-header-number
5088 (setq header (pop headers))))
5089 gnus-newsgroup-limit)
5090 ;; Mark article as read when it has a low score.
5091 (when (and gnus-summary-mark-below
5092 (< (or (cdr (assq number gnus-newsgroup-scored))
5093 gnus-summary-default-score 0)
5094 gnus-summary-mark-below)
5095 (not (gnus-summary-article-ancient-p number)))
5096 (setq gnus-newsgroup-unreads
5097 (delq number gnus-newsgroup-unreads))
5098 (if gnus-newsgroup-auto-expire
5099 (push number gnus-newsgroup-expirable)
5100 (push (cons number gnus-low-score-mark)
5101 gnus-newsgroup-reads)))
5103 (setq mark (gnus-article-mark number))
5104 (push (gnus-data-make number mark (1+ (point)) header 0)
5105 gnus-newsgroup-data)
5106 (gnus-summary-insert-line
5108 (memq number gnus-newsgroup-undownloaded)
5109 mark (memq number gnus-newsgroup-replied)
5110 (memq number gnus-newsgroup-expirable)
5111 (mail-header-subject header) nil
5112 (cdr (assq number gnus-newsgroup-scored))
5113 (memq number gnus-newsgroup-processable))))))
5115 (defun gnus-summary-remove-list-identifiers ()
5116 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5117 (let ((regexp (if (consp gnus-list-identifiers)
5118 (mapconcat 'identity gnus-list-identifiers " *\\|")
5119 gnus-list-identifiers))
5122 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5123 (dolist (header gnus-newsgroup-headers)
5124 (setq subject (mail-header-subject header)
5126 (while (string-match regexp subject)
5128 (concat (substring subject 0 (match-beginning 1))
5129 (substring subject (match-end 0)))
5132 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5134 (concat (substring subject 0 (match-beginning 1))
5135 (substring subject (match-end 1)))))
5136 (mail-header-set-subject header subject))))))
5138 (defun gnus-fetch-headers (articles)
5139 "Fetch headers of ARTICLES."
5140 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5141 (gnus-message 5 "Fetching headers for %s..." name)
5144 (setq gnus-headers-retrieved-by
5145 (gnus-retrieve-headers
5146 articles gnus-newsgroup-name
5147 ;; We might want to fetch old headers, but
5148 ;; not if there is only 1 article.
5150 (not (eq gnus-fetch-old-headers 'some))
5151 (not (numberp gnus-fetch-old-headers)))
5152 (> (length articles) 1))
5153 gnus-fetch-old-headers))))
5154 (gnus-get-newsgroup-headers-xover
5155 articles nil nil gnus-newsgroup-name t)
5156 (gnus-get-newsgroup-headers))
5157 (gnus-message 5 "Fetching headers for %s...done" name))))
5159 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5160 "Select newsgroup GROUP.
5161 If READ-ALL is non-nil, all articles in the group are selected.
5162 If SELECT-ARTICLES, only select those articles from GROUP."
5163 (let* ((entry (gnus-group-entry group))
5164 ;;!!! Dirty hack; should be removed.
5165 (gnus-summary-ignore-duplicates
5166 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5168 gnus-summary-ignore-duplicates))
5169 (info (nth 2 entry))
5170 articles fetched-articles cached)
5172 (unless (gnus-check-server
5173 (set (make-local-variable 'gnus-current-select-method)
5174 (gnus-find-method-for-group group)))
5175 (error "Couldn't open server"))
5177 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5178 (gnus-activate-group group) ; Or we can activate it...
5179 (progn ; Or we bug out.
5180 (when (equal major-mode 'gnus-summary-mode)
5181 (gnus-kill-buffer (current-buffer)))
5182 (error "Couldn't activate group %s: %s"
5183 group (gnus-status-message group))))
5185 (unless (gnus-request-group group t)
5186 (when (equal major-mode 'gnus-summary-mode)
5187 (gnus-kill-buffer (current-buffer)))
5188 (error "Couldn't request group %s: %s"
5189 group (gnus-status-message group)))
5192 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5194 (setq gnus-summary-use-undownloaded-faces
5195 (gnus-agent-find-parameter
5197 'agent-enable-undownloaded-faces)))
5199 (setq gnus-newsgroup-name group
5200 gnus-newsgroup-unselected nil
5201 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5203 (let ((display (gnus-group-find-parameter group 'display)))
5204 (setq gnus-newsgroup-display
5206 ((not (zerop (or (car-safe read-all) 0)))
5207 ;; The user entered the group with C-u SPC/RET, let's show
5213 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5215 ;; The following is probably the "correct" solution, but
5216 ;; it makes Gnus fetch all headers and then limit the
5217 ;; articles (which is slow), so instead we hack the
5218 ;; select-articles parameter instead. -- Simon Josefsson
5221 ;; (gnus-byte-compile
5222 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5224 (setq select-articles
5225 (gnus-uncompress-range
5226 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5230 (cdr (gnus-active group)))))
5235 (gnus-summary-setup-default-charset)
5237 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5238 (when (gnus-virtual-group-p group)
5239 (setq cached gnus-newsgroup-cached))
5241 (setq gnus-newsgroup-unreads
5242 (gnus-sorted-ndifference
5243 (gnus-sorted-ndifference gnus-newsgroup-unreads
5244 gnus-newsgroup-marked)
5245 gnus-newsgroup-dormant))
5247 (setq gnus-newsgroup-processable nil)
5249 (gnus-update-read-articles group gnus-newsgroup-unreads)
5251 ;; Adjust and set lists of article marks.
5253 (gnus-adjust-marked-articles info))
5254 (if (setq articles select-articles)
5255 (setq gnus-newsgroup-unselected
5256 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5257 (setq articles (gnus-articles-to-read group read-all)))
5261 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5263 ((eq articles 0) nil)
5265 ;; Init the dependencies hash table.
5266 (setq gnus-newsgroup-dependencies
5267 (gnus-make-hashtable (length articles)))
5268 (gnus-set-global-variables)
5269 ;; Retrieve the headers and read them in.
5271 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5273 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5275 (setq gnus-newsgroup-cached cached))
5277 ;; Suppress duplicates?
5278 (when gnus-suppress-duplicates
5279 (gnus-dup-suppress-articles))
5281 ;; Set the initial limit.
5282 (setq gnus-newsgroup-limit (copy-sequence articles))
5283 ;; Remove canceled articles from the list of unread articles.
5284 (setq fetched-articles
5285 (mapcar (lambda (headers) (mail-header-number headers))
5286 gnus-newsgroup-headers))
5287 (setq gnus-newsgroup-articles fetched-articles)
5288 (setq gnus-newsgroup-unreads
5289 (gnus-sorted-nintersection
5290 gnus-newsgroup-unreads fetched-articles))
5291 (gnus-compute-unseen-list)
5293 ;; Removed marked articles that do not exist.
5294 (gnus-update-missing-marks
5295 (gnus-sorted-difference articles fetched-articles))
5296 ;; We might want to build some more threads first.
5297 (when (and gnus-fetch-old-headers
5298 (eq gnus-headers-retrieved-by 'nov))
5299 (if (eq gnus-fetch-old-headers 'invisible)
5300 (gnus-build-all-threads)
5301 (gnus-build-old-threads)))
5302 ;; Let the Gnus agent mark articles as read.
5304 (gnus-agent-get-undownloaded-list))
5305 ;; Remove list identifiers from subject
5306 (when gnus-list-identifiers
5307 (gnus-summary-remove-list-identifiers))
5308 ;; Check whether auto-expire is to be done in this group.
5309 (setq gnus-newsgroup-auto-expire
5310 (gnus-group-auto-expirable-p group))
5311 ;; Set up the article buffer now, if necessary.
5312 (unless gnus-single-article-buffer
5313 (gnus-article-setup-buffer))
5314 ;; First and last article in this newsgroup.
5315 (when gnus-newsgroup-headers
5316 (setq gnus-newsgroup-begin
5317 (mail-header-number (car gnus-newsgroup-headers))
5320 (gnus-last-element gnus-newsgroup-headers))))
5321 ;; GROUP is successfully selected.
5322 (or gnus-newsgroup-headers t)))))
5324 (defun gnus-compute-unseen-list ()
5325 ;; The `seen' marks are treated specially.
5326 (if (not gnus-newsgroup-seen)
5327 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5328 (setq gnus-newsgroup-unseen
5329 (gnus-inverse-list-range-intersection
5330 gnus-newsgroup-articles gnus-newsgroup-seen))))
5332 (defun gnus-summary-display-make-predicate (display)
5333 (require 'gnus-agent)
5334 (when (= (length display) 1)
5335 (setq display (car display)))
5336 (unless gnus-summary-display-cache
5337 (dolist (elem (append '((unread . unread)
5340 gnus-article-mark-lists))
5341 (push (cons (cdr elem)
5343 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5344 gnus-summary-display-cache)))
5345 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5346 (gnus-category-predicate-cache gnus-summary-display-cache))
5347 (gnus-get-predicate display)))
5349 ;; Uses the dynamically bound `number' variable.
5352 (defun gnus-article-marked-p (type &optional article)
5353 (let ((article (or article number)))
5356 (memq article gnus-newsgroup-marked))
5358 (memq article gnus-newsgroup-spam-marked))
5360 (memq article gnus-newsgroup-unsendable))
5361 ((eq type 'undownload)
5362 (memq article gnus-newsgroup-undownloaded))
5363 ((eq type 'download)
5364 (memq article gnus-newsgroup-downloadable))
5366 (memq article gnus-newsgroup-unreads))
5368 (memq article gnus-newsgroup-reads))
5370 (memq article gnus-newsgroup-dormant) )
5372 (memq article gnus-newsgroup-expirable))
5374 (memq article gnus-newsgroup-replied))
5376 (memq article gnus-newsgroup-killed))
5377 ((eq type 'bookmark)
5378 (assq article gnus-newsgroup-bookmarks))
5380 (assq article gnus-newsgroup-scored))
5382 (memq article gnus-newsgroup-saved))
5384 (memq article gnus-newsgroup-cached))
5386 (memq article gnus-newsgroup-forwarded))
5388 (not (memq article gnus-newsgroup-unseen)))
5390 (memq article gnus-newsgroup-recent))
5393 (defun gnus-articles-to-read (group &optional read-all)
5394 "Find out what articles the user wants to read."
5396 ;; Select all articles if `read-all' is non-nil, or if there
5397 ;; are no unread articles.
5399 (and (zerop (length gnus-newsgroup-marked))
5400 (zerop (length gnus-newsgroup-unreads)))
5401 ;; Fetch all if the predicate is non-nil.
5402 gnus-newsgroup-display)
5403 ;; We want to select the headers for all the articles in
5404 ;; the group, so we select either all the active
5405 ;; articles in the group, or (if that's nil), the
5406 ;; articles in the cache.
5408 (gnus-uncompress-range (gnus-active group))
5409 (gnus-cache-articles-in-group group))
5410 ;; Select only the "normal" subset of articles.
5412 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5413 gnus-newsgroup-unreads)))
5414 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5415 (scored (length scored-list))
5416 (number (length articles))
5417 (marked (+ (length gnus-newsgroup-marked)
5418 (length gnus-newsgroup-dormant)))
5423 ((numberp gnus-newsgroup-display)
5424 gnus-newsgroup-display)
5428 ((and (or (<= scored marked) (= scored number))
5429 (numberp gnus-large-newsgroup)
5430 (> number gnus-large-newsgroup))
5431 (let* ((cursor-in-echo-area nil)
5432 (initial (gnus-parameter-large-newsgroup-initial
5433 gnus-newsgroup-name))
5437 "How many articles from %s (%s %d): "
5439 (gnus-group-decoded-name gnus-newsgroup-name)
5441 (if initial "max" "default")
5444 (cons (number-to-string initial)
5446 (if (string-match "^[ \t]*$" input) number input)))
5447 ((and (> scored marked) (< scored number)
5448 (> (- scored number) 20))
5451 (format "%s %s (%d scored, %d total): "
5452 "How many articles from"
5453 (gnus-group-decoded-name group)
5455 (if (string-match "^[ \t]*$" input)
5459 (message "Quit getting the articles to read")
5461 (setq select (if (stringp select) (string-to-number select) select))
5462 (if (or (null select) (zerop select))
5464 (if (and (not (zerop scored)) (<= (abs select) scored))
5466 (setq articles (sort scored-list '<))
5467 (setq number (length articles)))
5468 (setq articles (copy-sequence articles)))
5470 (when (< (abs select) number)
5472 ;; Select the N oldest articles.
5473 (setcdr (nthcdr (1- (abs select)) articles) nil)
5474 ;; Select the N most recent articles.
5475 (setq articles (nthcdr (- number select) articles))))
5476 (setq gnus-newsgroup-unselected
5477 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5478 (when gnus-alter-articles-to-read-function
5481 (funcall gnus-alter-articles-to-read-function
5482 gnus-newsgroup-name articles)
5486 (defun gnus-killed-articles (killed articles)
5489 (when (inline (gnus-member-of-range (car articles) killed))
5490 (push (car articles) out))
5491 (setq articles (cdr articles)))
5494 (defun gnus-uncompress-marks (marks)
5495 "Uncompress the mark ranges in MARKS."
5496 (let ((uncompressed '(score bookmark))
5499 (if (memq (caar marks) uncompressed)
5500 (push (car marks) out)
5501 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5502 (setq marks (cdr marks)))
5505 (defun gnus-article-mark-to-type (mark)
5506 "Return the type of MARK."
5507 (or (cadr (assq mark gnus-article-special-mark-lists))
5510 (defun gnus-article-unpropagatable-p (mark)
5511 "Return whether MARK should be propagated to back end."
5512 (memq mark gnus-article-unpropagated-mark-lists))
5514 (defun gnus-adjust-marked-articles (info)
5515 "Set all article lists and remove all marks that are no longer valid."
5516 (let* ((marked-lists (gnus-info-marks info))
5517 (active (gnus-active (gnus-info-group info)))
5520 (types gnus-article-mark-lists)
5521 marks var articles article mark mark-type
5524 (dolist (marks marked-lists)
5525 (setq mark (car marks)
5526 mark-type (gnus-article-mark-to-type mark)
5527 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5529 ;; We set the variable according to the type of the marks list,
5530 ;; and then adjust the marks to a subset of the active articles.
5532 ;; Adjust "simple" lists - compressed yet unsorted
5533 ((eq mark-type 'list)
5534 ;; Simultaneously uncompress and clip to active range
5535 ;; See gnus-uncompress-range for a description of possible marks
5537 (if (not (cadr marks))
5539 (setq articles (if (numberp (cddr marks))
5545 (while (setq article (pop articles))
5546 (cond ((consp article)
5547 (setq bgn (max (car article) min)
5548 end (min (cdr article) max))
5550 (setq l (setcdr l (cons bgn nil))
5552 ((and (<= min article)
5554 (setq l (setcdr l (cons article nil))))))
5555 (set var (cdr lh)))))
5557 ((eq mark-type 'tuple)
5558 (set var (setq articles (cdr marks)))
5559 (when (not (listp (cdr (symbol-value var))))
5560 (set var (list (symbol-value var))))
5561 (when (not (listp (cdr articles)))
5562 (setq articles (list articles)))
5564 (when (or (not (consp (setq article (pop articles))))
5565 (< (car article) min)
5566 (> (car article) max))
5567 (set var (delq article (symbol-value var))))))
5568 ;; Adjust ranges (sloppily).
5569 ((eq mark-type 'range)
5572 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5573 ;; It should be (seen (NUM1 . NUM2)).
5574 (when (numberp (cddr marks))
5575 (setcdr marks (list (cdr marks))))
5576 (setq articles (cdr marks))
5577 (while (and articles
5578 (or (and (consp (car articles))
5579 (> min (cdar articles)))
5580 (and (numberp (car articles))
5581 (> min (car articles)))))
5583 (set var articles))))))))
5585 (defun gnus-update-missing-marks (missing)
5586 "Go through the list of MISSING articles and remove them from the mark lists."
5589 ;; Go through all types.
5590 (dolist (elem gnus-article-mark-lists)
5591 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5592 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5593 (when (symbol-value var)
5594 ;; This list has articles. So we delete all missing
5595 ;; articles from it.
5598 (set var (delq (pop m) (symbol-value var))))))))))
5600 (defun gnus-update-marks ()
5601 "Enter the various lists of marked articles into the newsgroup info list."
5602 (let ((types gnus-article-mark-lists)
5603 (info (gnus-get-info gnus-newsgroup-name))
5604 type list newmarked symbol delta-marks)
5606 ;; Add all marks lists to the list of marks lists.
5607 (while (setq type (pop types))
5608 (setq list (symbol-value
5610 (intern (format "gnus-newsgroup-%s" (car type))))))
5613 ;; Get rid of the entries of the articles that have the
5615 (when (and (eq (cdr type) 'score)
5619 (prev (cons nil list))
5622 (if (or (not (consp (car arts)))
5623 (= (cdar arts) gnus-summary-default-score))
5624 (setcdr prev (cdr arts))
5626 (setq arts (cdr arts)))
5627 (setq list (cdr all)))))
5629 (when (eq (cdr type) 'seen)
5630 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5632 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5633 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5635 (when (and (gnus-check-backend-function
5636 'request-set-mark gnus-newsgroup-name)
5637 (not (gnus-article-unpropagatable-p (cdr type))))
5638 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5639 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5640 (add (gnus-remove-from-range
5641 (gnus-copy-sequence list) old)))
5643 (push (list add 'add (list (cdr type))) delta-marks))
5645 (push (list del 'del (list (cdr type))) delta-marks))))
5648 (push (cons (cdr type) list) newmarked)))
5651 (unless (gnus-check-group gnus-newsgroup-name)
5652 (error "Can't open server for %s" gnus-newsgroup-name))
5653 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5655 ;; Enter these new marks into the info of the group.
5657 (setcar (nthcdr 3 info) newmarked)
5658 ;; Add the marks lists to the end of the info.
5660 (setcdr (nthcdr 2 info) (list newmarked))))
5662 ;; Cut off the end of the info if there's nothing else there.
5666 (when (nthcdr (decf i) info)
5667 (setcdr (nthcdr i info) nil)))))))
5669 (defun gnus-set-mode-line (where)
5670 "Set the mode line of the article or summary buffers.
5671 If WHERE is `summary', the summary mode line format will be used."
5672 ;; Is this mode line one we keep updated?
5673 (when (and (memq where gnus-updated-mode-lines)
5675 (intern (format "gnus-%s-mode-line-format-spec" where))))
5678 ;; We evaluate this in the summary buffer since these
5679 ;; variables are buffer-local to that buffer.
5680 (set-buffer gnus-summary-buffer)
5681 ;; We bind all these variables that are used in the `eval' form
5683 (let* ((mformat (symbol-value
5685 (format "gnus-%s-mode-line-format-spec" where))))
5686 (gnus-tmp-group-name (gnus-group-decoded-name
5687 gnus-newsgroup-name))
5688 (gnus-tmp-article-number (or gnus-current-article 0))
5689 (gnus-tmp-unread gnus-newsgroup-unreads)
5690 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5691 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5692 (gnus-tmp-unread-and-unselected
5693 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5694 (zerop gnus-tmp-unselected))
5696 ((zerop gnus-tmp-unselected)
5697 (format "{%d more}" gnus-tmp-unread-and-unticked))
5698 (t (format "{%d(+%d) more}"
5699 gnus-tmp-unread-and-unticked
5700 gnus-tmp-unselected))))
5702 (if (and gnus-current-headers
5703 (vectorp gnus-current-headers))
5704 (gnus-mode-string-quote
5705 (mail-header-subject gnus-current-headers))
5707 bufname-length max-len
5708 gnus-tmp-header);; passed as argument to any user-format-funcs
5709 (setq mode-string (eval mformat))
5710 (setq bufname-length (if (string-match "%b" mode-string)
5713 (if (eq where 'summary)
5715 (get-buffer gnus-article-buffer))))
5718 (setq max-len (max 4 (if gnus-mode-non-string-length
5720 gnus-mode-non-string-length
5722 (length mode-string))))
5723 ;; We might have to chop a bit of the string off...
5724 (when (> (length mode-string) max-len)
5726 (concat (gnus-truncate-string mode-string (- max-len 3))
5728 ;; Pad the mode string a bit.
5729 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5730 ;; Update the mode line.
5731 (setq mode-line-buffer-identification
5732 (gnus-mode-line-buffer-identification (list mode-string)))
5733 (set-buffer-modified-p t))))
5735 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5736 "Go through the HEADERS list and add all Xrefs to a hash table.
5737 The resulting hash table is returned, or nil if no Xrefs were found."
5738 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5739 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5740 (xref-hashtb (gnus-make-hashtable))
5741 start group entry number xrefs header)
5743 (setq header (pop headers))
5744 (when (and (setq xrefs (mail-header-xref header))
5745 (not (memq (setq number (mail-header-number header))
5748 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5749 (setq start (match-end 0))
5750 (setq group (if prefix
5751 (concat prefix (substring xrefs (match-beginning 1)
5753 (substring xrefs (match-beginning 1) (match-end 1))))
5755 (string-to-number (substring xrefs (match-beginning 2)
5757 (if (setq entry (gnus-gethash group xref-hashtb))
5758 (setcdr entry (cons number (cdr entry)))
5759 (gnus-sethash group (cons number nil) xref-hashtb)))))
5760 (and start xref-hashtb)))
5762 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5763 "Look through all the headers and mark the Xrefs as read."
5764 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5765 name info xref-hashtb idlist method nth4)
5767 (set-buffer gnus-group-buffer)
5768 (when (setq xref-hashtb
5769 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5772 (unless (string= from-newsgroup (setq name (symbol-name group)))
5773 (setq idlist (symbol-value group))
5774 ;; Dead groups are not updated.
5776 (setq info (gnus-get-info name))
5777 (when (stringp (setq nth4 (gnus-info-method info)))
5778 (setq nth4 (gnus-server-to-method nth4))))
5779 ;; Only do the xrefs if the group has the same
5780 ;; select method as the group we have just read.
5781 (or (gnus-methods-equal-p
5782 nth4 (gnus-find-method-for-group from-newsgroup))
5784 (equal nth4 (setq method (gnus-find-method-for-group
5786 (and (equal (car nth4) (car method))
5787 (equal (nth 1 nth4) (nth 1 method))))
5788 gnus-use-cross-reference
5789 (or (not (eq gnus-use-cross-reference t))
5791 ;; Only do cross-references on subscribed
5792 ;; groups, if that is what is wanted.
5793 (<= (gnus-info-level info) gnus-level-subscribed))
5794 (gnus-group-make-articles-read name idlist))))
5797 (defun gnus-compute-read-articles (group articles)
5798 (let* ((entry (gnus-group-entry group))
5799 (info (nth 2 entry))
5800 (active (gnus-active group))
5803 ;; First peel off all invalid article numbers.
5805 (let ((ids articles)
5807 (while (setq id (pop ids))
5808 (when (and first (> id (cdr active)))
5809 ;; We'll end up in this situation in one particular
5810 ;; obscure situation. If you re-scan a group and get
5811 ;; a new article that is cross-posted to a different
5812 ;; group that has not been re-scanned, you might get
5813 ;; crossposted article that has a higher number than
5814 ;; Gnus believes possible. So we re-activate this
5815 ;; group as well. This might mean doing the
5816 ;; crossposting thingy will *increase* the number
5817 ;; of articles in some groups. Tsk, tsk.
5818 (setq active (or (gnus-activate-group group) active)))
5819 (when (or (> id (cdr active))
5820 (< id (car active)))
5821 (setq articles (delq id articles))))))
5822 ;; If the read list is nil, we init it.
5824 (null (gnus-info-read info))
5826 (setq ninfo (cons 1 (1- (car active))))
5827 (setq ninfo (gnus-info-read info)))
5828 ;; Then we add the read articles to the range.
5830 ninfo (setq articles (sort articles '<))))))
5832 (defun gnus-group-make-articles-read (group articles)
5833 "Update the info of GROUP to say that ARTICLES are read."
5835 (entry (gnus-group-entry group))
5836 (info (nth 2 entry))
5837 (active (gnus-active group))
5840 (setq range (gnus-compute-read-articles group articles))
5841 (with-current-buffer gnus-group-buffer
5844 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5845 (gnus-info-set-read ',info ',(gnus-info-read info))
5846 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5847 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5848 (gnus-group-update-group ,group t))))
5849 ;; Add the read articles to the range.
5850 (gnus-info-set-read info range)
5851 (gnus-request-set-mark group (list (list range 'add '(read))))
5852 ;; Then we have to re-compute how many unread
5853 ;; articles there are in this group.
5857 (setq num (- (1+ (cdr active)) (car active))))
5858 ((not (listp (cdr range)))
5859 (setq num (- (cdr active) (- (1+ (cdr range))
5863 (if (numberp (car range))
5865 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5866 (setq range (cdr range)))
5867 (setq num (- (cdr active) num))))
5868 ;; Update the number of unread articles.
5870 ;; Update the group buffer.
5871 (unless (gnus-ephemeral-group-p group)
5872 (gnus-group-update-group group t))))))
5874 (defvar gnus-newsgroup-none-id 0)
5876 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5877 (let ((cur nntp-server-buffer)
5880 (with-current-buffer gnus-summary-buffer
5881 gnus-newsgroup-dependencies)))
5882 headers id end ref number
5883 (mail-parse-charset gnus-newsgroup-charset)
5884 (mail-parse-ignored-charsets
5885 (save-excursion (condition-case nil
5886 (set-buffer gnus-summary-buffer)
5888 gnus-newsgroup-ignored-charsets)))
5890 (set-buffer nntp-server-buffer)
5891 ;; Translate all TAB characters into SPACE characters.
5892 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5893 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5894 (ietf-drums-unfold-fws)
5895 (gnus-run-hooks 'gnus-parse-headers-hook)
5896 (let ((case-fold-search t)
5897 in-reply-to header p lines chars ctype)
5898 (goto-char (point-min))
5899 ;; Search to the beginning of the next header. Error messages
5900 ;; do not begin with 2 or 3.
5901 (while (re-search-forward "^[23][0-9]+ " nil t)
5904 ;; This implementation of this function, with nine
5905 ;; search-forwards instead of the one re-search-forward and
5906 ;; a case (which basically was the old function) is actually
5907 ;; about twice as fast, even though it looks messier. You
5908 ;; can't have everything, I guess. Speed and elegance
5909 ;; doesn't always go hand in hand.
5912 (make-full-mail-header
5915 (setq number (read cur))
5918 (narrow-to-region (point)
5919 (or (and (search-forward "\n.\n" nil t)
5925 (if (search-forward "\nsubject:" nil t)
5926 (nnheader-header-value)
5931 (if (search-forward "\nfrom:" nil t)
5932 (nnheader-header-value)
5937 (if (search-forward "\ndate:" nil t)
5938 (nnheader-header-value) ""))
5942 (setq id (if (re-search-forward
5943 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5944 ;; We do it this way to make sure the Message-ID
5945 ;; is (somewhat) syntactically valid.
5946 (buffer-substring (match-beginning 1)
5948 ;; If there was no message-id, we just fake one
5949 ;; to make subsequent routines simpler.
5950 (nnheader-generate-fake-message-id number))))
5954 (if (search-forward "\nreferences:" nil t)
5958 (nnheader-header-value)
5963 (search-backward ">" end t)
5966 (search-backward "<" end t)
5968 ;; Get the references from the in-reply-to header if there
5969 ;; were no references and the in-reply-to header looks
5971 (if (and (search-forward "\nin-reply-to:" nil t)
5972 (setq in-reply-to (nnheader-header-value))
5973 (string-match "<[^>]+>" in-reply-to))
5975 (setq ref (substring in-reply-to (match-beginning 0)
5977 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5978 (setq ref2 (substring in-reply-to (match-beginning 0)
5980 (when (> (length ref2) (length ref))
5987 (if (search-forward "\nchars: " nil t)
5988 (if (numberp (setq chars (ignore-errors (read cur))))
5994 (if (search-forward "\nlines: " nil t)
5995 (if (numberp (setq lines (ignore-errors (read cur))))
6001 (and (search-forward "\nxref:" nil t)
6002 (nnheader-header-value)))
6004 (when gnus-extra-headers
6005 (let ((extra gnus-extra-headers)
6009 (when (search-forward
6010 (concat "\n" (symbol-name (car extra)) ":") nil t)
6011 (push (cons (car extra) (nnheader-header-value)) out))
6015 (if (and (search-forward "\ncontent-type: " nil t)
6016 (setq ctype (nnheader-header-value)))
6017 (mime-entity-set-content-type-internal
6018 header (mime-parse-Content-Type ctype)))
6019 (when (equal id ref)
6022 (when gnus-alter-header-function
6023 (funcall gnus-alter-header-function header)
6024 (setq id (mail-header-id header)
6025 ref (gnus-parent-id (mail-header-references header))))
6028 (gnus-dependencies-add-header
6029 header dependencies force-new))
6030 (push header headers))
6031 (goto-char (point-max))
6033 (nreverse headers)))))
6035 ;; Goes through the xover lines and returns a list of vectors
6036 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6037 force-new dependencies
6038 group also-fetch-heads)
6039 "Parse the news overview data in the server buffer.
6040 Return a list of headers that match SEQUENCE (see
6041 `nntp-retrieve-headers')."
6042 ;; Get the Xref when the users reads the articles since most/some
6043 ;; NNTP servers do not include Xrefs when using XOVER.
6044 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6045 (let ((mail-parse-charset gnus-newsgroup-charset)
6046 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6047 (cur nntp-server-buffer)
6048 (dependencies (or dependencies gnus-newsgroup-dependencies))
6050 ((eq gnus-read-all-available-headers t)
6052 ((stringp gnus-read-all-available-headers)
6053 (string-match gnus-read-all-available-headers group))
6056 number headers header)
6058 (set-buffer nntp-server-buffer)
6059 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6060 ;; Allow the user to mangle the headers before parsing them.
6061 (gnus-run-hooks 'gnus-parse-headers-hook)
6062 (goto-char (point-min))
6063 (gnus-parse-without-error
6064 (while (and (or sequence allp)
6066 (setq number (read cur))
6068 (while (and sequence
6069 (< (car sequence) number))
6070 (setq sequence (cdr sequence))))
6073 (eq number (car sequence))))
6075 (setq sequence (cdr sequence))
6076 (setq header (inline
6077 (gnus-nov-parse-line
6078 number dependencies force-new)))))
6079 (push header headers))
6081 ;; A common bug in inn is that if you have posted an article and
6082 ;; then retrieves the active file, it will answer correctly --
6083 ;; the new article is included. However, a NOV entry for the
6084 ;; article may not have been generated yet, so this may fail.
6085 ;; We work around this problem by retrieving the last few
6086 ;; headers using HEAD.
6087 (if (or (not also-fetch-heads)
6089 ;; We (probably) got all the headers.
6091 (let ((gnus-nov-is-evil t))
6094 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6095 (gnus-get-newsgroup-headers))))))))
6097 (defun gnus-article-get-xrefs ()
6098 "Fill in the Xref value in `gnus-current-headers', if necessary.
6099 This is meant to be called in `gnus-article-internal-prepare-hook'."
6100 (let ((headers (with-current-buffer gnus-summary-buffer
6101 gnus-current-headers)))
6102 (or (not gnus-use-cross-reference)
6104 (and (mail-header-xref headers)
6105 (not (string= (mail-header-xref headers) "")))
6106 (let ((case-fold-search t)
6109 (nnheader-narrow-to-headers)
6110 (goto-char (point-min))
6111 (when (or (and (not (eobp))
6112 (eq (downcase (char-after)) ?x)
6113 (looking-at "Xref:"))
6114 (search-forward "\nXref:" nil t))
6115 (goto-char (1+ (match-end 0)))
6116 (setq xref (buffer-substring (point) (point-at-eol)))
6117 (mail-header-set-xref headers xref)))))))
6119 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6120 "Find article ID and insert the summary line for that article.
6121 OLD-HEADER can either be a header or a line number to insert
6122 the subject line on."
6123 (let* ((line (and (numberp old-header) old-header))
6124 (old-header (and (vectorp old-header) old-header))
6125 (header (cond ((and old-header use-old-header)
6128 (gnus-number-to-header id))
6129 (gnus-number-to-header id))
6131 (gnus-read-header id))))
6132 (number (and (numberp id) id))
6135 ;; Rebuild the thread that this article is part of and go to the
6136 ;; article we have fetched.
6137 (when (and (not gnus-show-threads)
6140 (setq d (gnus-data-find (mail-header-number old-header))))
6141 (goto-char (gnus-data-pos d))
6147 (gnus-delete-line))))))
6148 ;; Remove list identifiers from subject.
6149 (when gnus-list-identifiers
6150 (let ((gnus-newsgroup-headers (list header)))
6151 (gnus-summary-remove-list-identifiers)))
6153 (mail-header-set-number header (mail-header-number old-header)))
6154 (setq gnus-newsgroup-sparse
6155 (delq (setq number (mail-header-number header))
6156 gnus-newsgroup-sparse))
6157 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6158 (push number gnus-newsgroup-limit)
6159 (gnus-rebuild-thread (mail-header-id header) line)
6160 (gnus-summary-goto-subject number nil t))
6161 (when (and (numberp number)
6163 ;; We have to update the boundaries even if we can't fetch the
6164 ;; article if ID is a number -- so that the next `P' or `N'
6165 ;; command will fetch the previous (or next) article even
6166 ;; if the one we tried to fetch this time has been canceled.
6167 (when (> number gnus-newsgroup-end)
6168 (setq gnus-newsgroup-end number))
6169 (when (< number gnus-newsgroup-begin)
6170 (setq gnus-newsgroup-begin number))
6171 (setq gnus-newsgroup-unselected
6172 (delq number gnus-newsgroup-unselected)))
6173 ;; Report back a success?
6174 (and header (mail-header-number header))))
6176 ;;; Process/prefix in the summary buffer
6178 (defun gnus-summary-work-articles (n)
6179 "Return a list of articles to be worked upon.
6180 The prefix argument, the list of process marked articles, and the
6181 current article will be taken into consideration."
6183 (set-buffer gnus-summary-buffer)
6186 ;; A numerical prefix has been given.
6187 (setq n (prefix-numeric-value n))
6188 (let ((backward (< n 0))
6189 (n (abs (prefix-numeric-value n)))
6194 (push (setq article (gnus-summary-article-number))
6197 (gnus-summary-find-prev nil article)
6198 (gnus-summary-find-next nil article)))
6200 (nreverse articles)))
6201 ((and (gnus-region-active-p) (mark))
6202 (message "region active")
6203 ;; Work on the region between point and mark.
6204 (let ((max (max (point) (mark)))
6207 (goto-char (min (point) (mark)))
6210 (push (setq article (gnus-summary-article-number)) articles)
6211 (gnus-summary-find-next nil article)
6213 (nreverse articles))))
6214 (gnus-newsgroup-processable
6215 ;; There are process-marked articles present.
6216 ;; Save current state.
6217 (gnus-summary-save-process-mark)
6219 (reverse gnus-newsgroup-processable))
6221 ;; Just return the current article.
6222 (list (gnus-summary-article-number))))))
6224 (defmacro gnus-summary-iterate (arg &rest forms)
6225 "Iterate over the process/prefixed articles and do FORMS.
6226 ARG is the interactive prefix given to the command. FORMS will be
6227 executed with point over the summary line of the articles."
6228 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6229 `(let ((,articles (gnus-summary-work-articles ,arg)))
6231 (gnus-summary-goto-subject (car ,articles))
6235 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6236 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6238 (defun gnus-summary-save-process-mark ()
6239 "Push the current set of process marked articles on the stack."
6241 (push (copy-sequence gnus-newsgroup-processable)
6242 gnus-newsgroup-process-stack))
6244 (defun gnus-summary-kill-process-mark ()
6245 "Push the current set of process marked articles on the stack and unmark."
6247 (gnus-summary-save-process-mark)
6248 (gnus-summary-unmark-all-processable))
6250 (defun gnus-summary-yank-process-mark ()
6251 "Pop the last process mark state off the stack and restore it."
6253 (unless gnus-newsgroup-process-stack
6254 (error "Empty mark stack"))
6255 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6257 (defun gnus-summary-process-mark-set (set)
6258 "Make SET into the current process marked articles."
6259 (gnus-summary-unmark-all-processable)
6260 (mapc 'gnus-summary-set-process-mark set))
6262 ;;; Searching and stuff
6264 (defun gnus-summary-search-group (&optional backward use-level)
6265 "Search for next unread newsgroup.
6266 If optional argument BACKWARD is non-nil, search backward instead."
6268 (set-buffer gnus-group-buffer)
6269 (when (gnus-group-search-forward
6270 backward nil (if use-level (gnus-group-group-level) nil))
6271 (gnus-group-group-name))))
6273 (defun gnus-summary-best-group (&optional exclude-group)
6274 "Find the name of the best unread group.
6275 If EXCLUDE-GROUP, do not go to this group."
6276 (with-current-buffer gnus-group-buffer
6278 (gnus-group-best-unread-group exclude-group))))
6280 (defun gnus-summary-find-next (&optional unread article backward)
6282 (gnus-summary-find-prev unread article)
6283 (let* ((dummy (gnus-summary-article-intangible-p))
6284 (article (or article (gnus-summary-article-number)))
6285 (data (gnus-data-find-list article))
6287 (when (and (not dummy)
6288 (or (not gnus-summary-check-current)
6290 (not (gnus-data-unread-p (car data)))))
6291 (setq data (cdr data)))
6296 (unless (memq (gnus-data-number (car data))
6298 ((eq gnus-auto-goto-ignores
6299 'always-undownloaded)
6300 gnus-newsgroup-undownloaded)
6303 ((eq gnus-auto-goto-ignores
6305 gnus-newsgroup-unfetched)
6306 ((eq gnus-auto-goto-ignores
6308 gnus-newsgroup-undownloaded)))
6309 (when (gnus-data-unread-p (car data))
6310 (setq result (car data)
6312 (setq data (cdr data)))
6315 (goto-char (gnus-data-pos result))
6316 (gnus-data-number result)))))
6318 (defun gnus-summary-find-prev (&optional unread article)
6319 (let* ((eobp (eobp))
6320 (article (or article (gnus-summary-article-number)))
6321 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6323 (when (and (not eobp)
6324 (or (not gnus-summary-check-current)
6326 (not (gnus-data-unread-p (car data)))))
6327 (setq data (cdr data)))
6332 (unless (memq (gnus-data-number (car data))
6334 ((eq gnus-auto-goto-ignores
6335 'always-undownloaded)
6336 gnus-newsgroup-undownloaded)
6339 ((eq gnus-auto-goto-ignores
6341 gnus-newsgroup-unfetched)
6342 ((eq gnus-auto-goto-ignores
6344 gnus-newsgroup-undownloaded)))
6345 (when (gnus-data-unread-p (car data))
6346 (setq result (car data)
6348 (setq data (cdr data)))
6351 (goto-char (gnus-data-pos result))
6352 (gnus-data-number result))))
6354 (defun gnus-summary-find-subject (subject &optional unread backward article)
6355 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6356 (article (or article (gnus-summary-article-number)))
6357 (articles (gnus-data-list backward))
6358 (arts (gnus-data-find-list article articles))
6360 (when (or (not gnus-summary-check-current)
6362 (not (gnus-data-unread-p (car arts))))
6363 (setq arts (cdr arts)))
6365 (and (or (not unread)
6366 (gnus-data-unread-p (car arts)))
6367 (vectorp (gnus-data-header (car arts)))
6369 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6370 (setq result (car arts)
6372 (setq arts (cdr arts)))
6374 (goto-char (gnus-data-pos result))
6375 (gnus-data-number result))))
6377 (defun gnus-summary-search-forward (&optional unread subject backward)
6378 "Search forward for an article.
6379 If UNREAD, look for unread articles. If SUBJECT, look for
6380 articles with that subject. If BACKWARD, search backward instead."
6381 (cond (subject (gnus-summary-find-subject subject unread backward))
6382 (backward (gnus-summary-find-prev unread))
6383 (t (gnus-summary-find-next unread))))
6385 (defun gnus-recenter (&optional n)
6386 "Center point in window and redisplay frame.
6387 Also do horizontal recentering."
6389 (when (and gnus-auto-center-summary
6390 (not (eq gnus-auto-center-summary 'vertical)))
6391 (gnus-horizontal-recenter))
6394 (defun gnus-summary-recenter ()
6395 "Center point in the summary window.
6396 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6397 displayed, no centering will be performed."
6398 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6399 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6401 ;; The user has to want it.
6402 (when gnus-auto-center-summary
6403 (let* ((top (cond ((< (window-height) 4) 0)
6404 ((< (window-height) 7) 1)
6405 (t (if (numberp gnus-auto-center-summary)
6406 gnus-auto-center-summary
6407 (/ (1- (window-height)) 2)))))
6408 (height (1- (window-height)))
6409 (bottom (save-excursion (goto-char (point-max))
6410 (forward-line (- height))
6412 (window (get-buffer-window (current-buffer))))
6413 (when (get-buffer-window gnus-article-buffer)
6414 ;; Only do recentering when the article buffer is displayed,
6415 ;; Set the window start to either `bottom', which is the biggest
6416 ;; possible valid number, or the second line from the top,
6417 ;; whichever is the least.
6418 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6419 (if (> bottom top-pos)
6420 ;; Keep the second line from the top visible
6421 (set-window-start window top-pos t)
6422 ;; Try to keep the bottom line visible; if it's partially
6423 ;; obscured, either scroll one more line to make it fully
6424 ;; visible, or revert to using TOP-POS.
6426 (goto-char (point-max))
6428 (let ((last-line-start (point)))
6430 (set-window-start window (point) t)
6431 (when (not (pos-visible-in-window-p last-line-start window))
6433 (set-window-start window (min (point) top-pos) t)))))))
6434 ;; Do horizontal recentering while we're at it.
6435 (when (and (get-buffer-window (current-buffer) t)
6436 (not (eq gnus-auto-center-summary 'vertical)))
6437 (let ((selected (selected-window)))
6438 (select-window (get-buffer-window (current-buffer) t))
6439 (gnus-summary-position-point)
6440 (gnus-horizontal-recenter)
6441 (select-window selected))))))
6443 (defun gnus-summary-jump-to-group (newsgroup)
6444 "Move point to NEWSGROUP in group mode buffer."
6445 ;; Keep update point of group mode buffer if visible.
6446 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6447 (save-window-excursion
6448 ;; Take care of tree window mode.
6449 (when (get-buffer-window gnus-group-buffer)
6450 (pop-to-buffer gnus-group-buffer))
6451 (gnus-group-jump-to-group newsgroup))
6453 ;; Take care of tree window mode.
6454 (if (get-buffer-window gnus-group-buffer)
6455 (pop-to-buffer gnus-group-buffer)
6456 (set-buffer gnus-group-buffer))
6457 (gnus-group-jump-to-group newsgroup))))
6459 ;; This function returns a list of article numbers based on the
6460 ;; difference between the ranges of read articles in this group and
6461 ;; the range of active articles.
6462 (defun gnus-list-of-unread-articles (group)
6463 (let* ((read (gnus-info-read (gnus-get-info group)))
6464 (active (or (gnus-active group) (gnus-activate-group group)))
6465 (last (or (cdr active)
6466 (error "Group %s couldn't be activated " group)))
6468 ;; If none are read, then all are unread.
6470 (setq first (car active))
6471 ;; If the range of read articles is a single range, then the
6472 ;; first unread article is the article after the last read
6473 ;; article. Sounds logical, doesn't it?
6474 (if (and (not (listp (cdr read)))
6475 (or (< (car read) (car active))
6476 (progn (setq read (list read))
6478 (setq first (max (car active) (1+ (cdr read))))
6479 ;; `read' is a list of ranges.
6480 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6483 (setq first (car active)))
6486 (while (< first nlast)
6487 (setq unread (cons first unread)
6489 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6490 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6491 (setq read (cdr read)))))
6492 ;; And add the last unread articles.
6493 (while (<= first last)
6494 (setq unread (cons first unread)
6496 ;; Return the list of unread articles.
6497 (delq 0 (nreverse unread))))
6499 (defun gnus-list-of-read-articles (group)
6500 "Return a list of unread, unticked and non-dormant articles."
6501 (let* ((info (gnus-get-info group))
6502 (marked (gnus-info-marks info))
6503 (active (gnus-active group)))
6505 (gnus-list-range-difference
6506 (gnus-list-range-difference
6507 (gnus-sorted-complement
6508 (gnus-uncompress-range active)
6509 (gnus-list-of-unread-articles group))
6510 (cdr (assq 'dormant marked)))
6511 (cdr (assq 'tick marked))))))
6513 ;; This function returns a sequence of article numbers based on the
6514 ;; difference between the ranges of read articles in this group and
6515 ;; the range of active articles.
6516 (defun gnus-sequence-of-unread-articles (group)
6517 (let* ((read (gnus-info-read (gnus-get-info group)))
6518 (active (or (gnus-active group) (gnus-activate-group group)))
6521 ;; If none are read, then all are unread.
6523 (setq first (car active))
6524 ;; If the range of read articles is a single range, then the
6525 ;; first unread article is the article after the last read
6526 ;; article. Sounds logical, doesn't it?
6527 (if (and (not (listp (cdr read)))
6528 (or (< (car read) (car active))
6529 (progn (setq read (list read))
6531 (setq first (max (car active) (1+ (cdr read))))
6532 ;; `read' is a list of ranges.
6533 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6536 (setq first (car active)))
6539 (push (cons first nlast) unread))
6540 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6541 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6542 (setq read (cdr read)))))
6543 ;; And add the last unread articles.
6544 (cond ((< first last)
6545 (push (cons first last) unread))
6547 (push first unread)))
6548 ;; Return the sequence of unread articles.
6549 (delq 0 (nreverse unread))))
6551 ;; Various summary commands
6553 (defun gnus-summary-select-article-buffer ()
6554 "Reconfigure windows to show article buffer."
6556 (if (not (gnus-buffer-live-p gnus-article-buffer))
6557 (error "There is no article buffer for this summary buffer")
6558 (gnus-configure-windows 'article)
6559 (select-window (get-buffer-window gnus-article-buffer))))
6561 (defun gnus-summary-universal-argument (arg)
6562 "Perform any operation on all articles that are process/prefixed."
6564 (let ((articles (gnus-summary-work-articles arg))
6571 (substitute-command-keys
6572 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6574 (gnus-error 1 "Undefined key")
6577 (gnus-summary-goto-subject (setq article (pop articles)))
6578 (let (gnus-newsgroup-processable)
6579 (command-execute func))
6580 (gnus-summary-remove-process-mark article)))))
6581 (gnus-summary-position-point))
6583 (defun gnus-summary-toggle-truncation (&optional arg)
6584 "Toggle truncation of summary lines.
6585 With ARG, turn line truncation on if ARG is positive."
6587 (setq truncate-lines
6588 (if (null arg) (not truncate-lines)
6589 (> (prefix-numeric-value arg) 0)))
6592 (defun gnus-summary-find-for-reselect ()
6593 "Return the number of an article to stay on across a reselect.
6594 The current article is considered, then following articles, then previous
6595 articles. An article is sought which is not cancelled and isn't a temporary
6596 insertion from another group. If there's no such then return a dummy 0."
6598 (dolist (rev '(nil t))
6599 (unless found ; don't demand the reverse list if we don't need it
6600 (let ((data (gnus-data-find-list
6601 (gnus-summary-article-number) (gnus-data-list rev))))
6602 (while (and data (not found))
6603 (if (and (< 0 (gnus-data-number (car data)))
6604 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6605 (setq found (gnus-data-number (car data))))
6606 (setq data (cdr data))))))
6609 (defun gnus-summary-reselect-current-group (&optional all rescan)
6610 "Exit and then reselect the current newsgroup.
6611 The prefix argument ALL means to select all articles."
6613 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6614 (error "Ephemeral groups can't be reselected"))
6615 (let ((current-subject (gnus-summary-find-for-reselect))
6616 (group gnus-newsgroup-name))
6617 (setq gnus-newsgroup-begin nil)
6618 (gnus-summary-exit nil 'leave-hidden)
6619 ;; We have to adjust the point of group mode buffer because
6620 ;; point was moved to the next unread newsgroup by exiting.
6621 (gnus-summary-jump-to-group group)
6624 (save-window-excursion
6625 ;; Don't show group contents.
6626 (set-window-start (selected-window) (point-max))
6627 (gnus-group-get-new-news-this-group 1))))
6628 (gnus-group-read-group all t)
6629 (gnus-summary-goto-subject current-subject nil t)))
6631 (defun gnus-summary-rescan-group (&optional all)
6632 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6634 (gnus-summary-reselect-current-group all t))
6636 (defun gnus-summary-update-info (&optional non-destructive)
6638 (let ((group gnus-newsgroup-name))
6640 (when gnus-newsgroup-kill-headers
6641 (setq gnus-newsgroup-killed
6642 (gnus-compress-sequence
6644 (gnus-list-range-intersection
6645 gnus-newsgroup-unselected gnus-newsgroup-killed)
6646 gnus-newsgroup-unreads)
6648 (unless (listp (cdr gnus-newsgroup-killed))
6649 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6650 (let ((headers gnus-newsgroup-headers))
6651 ;; Set the new ranges of read articles.
6652 (with-current-buffer gnus-group-buffer
6653 (gnus-undo-force-boundary))
6654 (gnus-update-read-articles
6655 group (gnus-sorted-union
6656 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6657 ;; Set the current article marks.
6658 (let ((gnus-newsgroup-scored
6659 (if (and (not gnus-save-score)
6660 (not non-destructive))
6662 gnus-newsgroup-scored)))
6664 (gnus-update-marks)))
6665 ;; Do the cross-ref thing.
6666 (when gnus-use-cross-reference
6667 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6668 ;; Do not switch windows but change the buffer to work.
6669 (set-buffer gnus-group-buffer)
6670 (unless (gnus-ephemeral-group-p group)
6671 (gnus-group-update-group group)))))))
6673 (defun gnus-summary-save-newsrc (&optional force)
6674 "Save the current number of read/marked articles in the dribble buffer.
6675 The dribble buffer will then be saved.
6676 If FORCE (the prefix), also save the .newsrc file(s)."
6678 (gnus-summary-update-info t)
6680 (gnus-save-newsrc-file)
6681 (gnus-dribble-save)))
6683 (defun gnus-summary-exit (&optional temporary leave-hidden)
6684 "Exit reading current newsgroup, and then return to group selection mode.
6685 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6687 (gnus-set-global-variables)
6688 (gnus-kill-save-kill-buffer)
6689 (gnus-async-halt-prefetch)
6690 (let* ((group gnus-newsgroup-name)
6691 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6692 (gnus-group-is-exiting-p t)
6695 (buf (current-buffer)))
6697 ;; Do adaptive scoring, and possibly save score files.
6698 (when gnus-newsgroup-adaptive
6699 (gnus-score-adaptive))
6700 (when gnus-use-scoring
6702 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6703 ;; If we have several article buffers, we kill them at exit.
6704 (unless gnus-single-article-buffer
6705 (gnus-kill-buffer gnus-original-article-buffer)
6706 (setq gnus-article-current nil))
6707 (when gnus-use-cache
6708 (gnus-cache-possibly-remove-articles)
6709 (gnus-cache-save-buffers))
6710 (gnus-async-prefetch-remove-group group)
6711 (when gnus-suppress-duplicates
6712 (gnus-dup-enter-articles))
6713 (when gnus-use-trees
6714 (gnus-tree-close group))
6715 (when gnus-use-cache
6716 (gnus-cache-write-active))
6717 ;; Remove entries for this group.
6718 (nnmail-purge-split-history (gnus-group-real-name group))
6719 ;; Make all changes in this group permanent.
6721 (gnus-run-hooks 'gnus-exit-group-hook)
6722 (gnus-summary-update-info))
6723 (gnus-close-group group)
6724 ;; Make sure where we were, and go to next newsgroup.
6725 (set-buffer gnus-group-buffer)
6727 (gnus-group-jump-to-group group))
6728 (gnus-run-hooks 'gnus-summary-exit-hook)
6729 (unless (or quit-config
6730 ;; If this group has disappeared from the summary
6731 ;; buffer, don't skip forwards.
6732 (not (string= group (gnus-group-group-name))))
6733 (gnus-group-next-unread-group 1))
6734 (setq group-point (point))
6737 ;; If we have several article buffers, we kill them at exit.
6738 (unless gnus-single-article-buffer
6739 (gnus-kill-buffer gnus-article-buffer)
6740 (gnus-kill-buffer gnus-original-article-buffer)
6741 (setq gnus-article-current nil))
6743 (if (not gnus-kill-summary-on-exit)
6745 (gnus-deaden-summary)
6747 ;; We set all buffer-local variables to nil. It is unclear why
6748 ;; this is needed, but if we don't, buffer-local variables are
6749 ;; not garbage-collected, it seems. This would the lead to en
6750 ;; ever-growing Emacs.
6751 (gnus-summary-clear-local-variables)
6752 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6753 (gnus-summary-clear-local-variables))
6754 (when (get-buffer gnus-article-buffer)
6755 (bury-buffer gnus-article-buffer))
6756 ;; Return to group mode buffer.
6757 (when (eq mode 'gnus-summary-mode)
6758 (gnus-kill-buffer buf)))
6759 (setq gnus-current-select-method gnus-select-method)
6760 (set-buffer gnus-group-buffer)
6762 (gnus-handle-ephemeral-exit quit-config)
6763 (goto-char group-point)
6764 ;; If gnus-group-buffer is already displayed, make sure we also move
6765 ;; the cursor in the window that displays it.
6766 (let ((win (get-buffer-window (current-buffer) 0)))
6767 (if win (set-window-point win (point))))
6768 (unless leave-hidden
6769 (gnus-configure-windows 'group 'force))
6770 (unless (pos-visible-in-window-p)
6771 (forward-line (/ (static-if (featurep 'xemacs)
6772 (window-displayed-height)
6773 (1- (window-height)))
6775 (set-window-start (selected-window) (point))
6776 (goto-char group-point)))
6777 ;; Clear the current group name.
6779 (setq gnus-newsgroup-name nil)))))
6781 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6782 (defun gnus-summary-exit-no-update (&optional no-questions)
6783 "Quit reading current newsgroup without updating read article info."
6785 (let* ((group gnus-newsgroup-name)
6786 (gnus-group-is-exiting-p t)
6787 (gnus-group-is-exiting-without-update-p t)
6788 (quit-config (gnus-group-quit-config group)))
6789 (when (or no-questions
6791 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6792 (gnus-async-halt-prefetch)
6793 (run-hooks 'gnus-summary-prepare-exit-hook)
6794 ;; If we have several article buffers, we kill them at exit.
6795 (unless gnus-single-article-buffer
6796 (gnus-kill-buffer gnus-article-buffer)
6797 (gnus-kill-buffer gnus-original-article-buffer)
6798 (setq gnus-article-current nil))
6799 (if (not gnus-kill-summary-on-exit)
6800 (gnus-deaden-summary)
6801 (gnus-close-group group)
6802 (gnus-summary-clear-local-variables)
6803 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6804 (gnus-summary-clear-local-variables))
6805 (gnus-kill-buffer gnus-summary-buffer))
6806 (unless gnus-single-article-buffer
6807 (setq gnus-article-current nil))
6808 (when gnus-use-trees
6809 (gnus-tree-close group))
6810 (gnus-async-prefetch-remove-group group)
6811 (when (get-buffer gnus-article-buffer)
6812 (bury-buffer gnus-article-buffer))
6813 ;; Return to the group buffer.
6814 (gnus-configure-windows 'group 'force)
6815 ;; Clear the current group name.
6816 (setq gnus-newsgroup-name nil)
6817 (unless (gnus-ephemeral-group-p group)
6818 (gnus-group-update-group group))
6819 (when (equal (gnus-group-group-name) group)
6820 (gnus-group-next-unread-group 1))
6822 (gnus-handle-ephemeral-exit quit-config)))))
6824 (defun gnus-handle-ephemeral-exit (quit-config)
6825 "Handle movement when leaving an ephemeral group.
6826 The state which existed when entering the ephemeral is reset."
6827 (if (not (buffer-name (car quit-config)))
6828 (gnus-configure-windows 'group 'force)
6829 (set-buffer (car quit-config))
6830 (cond ((eq major-mode 'gnus-summary-mode)
6831 (gnus-set-global-variables))
6832 ((eq major-mode 'gnus-article-mode)
6834 ;; The `gnus-summary-buffer' variable may point
6835 ;; to the old summary buffer when using a single
6837 (unless (gnus-buffer-live-p gnus-summary-buffer)
6838 (set-buffer gnus-group-buffer))
6839 (set-buffer gnus-summary-buffer)
6840 (gnus-set-global-variables))))
6841 (if (or (eq (cdr quit-config) 'article)
6842 (eq (cdr quit-config) 'pick))
6844 ;; The current article may be from the ephemeral group
6845 ;; thus it is best that we reload this article
6847 ;; If we're exiting from a large digest, this can be
6848 ;; extremely slow. So, it's better not to reload it. -- jh.
6849 ;;(gnus-summary-show-article)
6850 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6851 (gnus-configure-windows 'pick 'force)
6852 (gnus-configure-windows (cdr quit-config) 'force)))
6853 (gnus-configure-windows (cdr quit-config) 'force))
6854 (when (eq major-mode 'gnus-summary-mode)
6855 (gnus-summary-next-subject 1 nil t)
6856 (gnus-summary-recenter)
6857 (gnus-summary-position-point))))
6859 (defun gnus-summary-preview-mime-message ()
6860 "MIME decode and play this message."
6862 (let ((gnus-break-pages nil)
6864 (gnus-summary-select-article gnus-show-all-headers t))
6865 (let ((w (get-buffer-window gnus-article-buffer)))
6867 (select-window (get-buffer-window gnus-article-buffer)))))
6871 (defvar gnus-dead-summary-mode-map nil)
6873 (unless gnus-dead-summary-mode-map
6874 (setq gnus-dead-summary-mode-map (make-keymap))
6875 (suppress-keymap gnus-dead-summary-mode-map)
6876 (substitute-key-definition
6877 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6878 (dolist (key '("\C-d" "\r" "\177" [delete]))
6879 (define-key gnus-dead-summary-mode-map
6880 key 'gnus-summary-wake-up-the-dead))
6881 (dolist (key '("q" "Q"))
6882 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6884 (defvar gnus-dead-summary-mode nil
6885 "Minor mode for Gnus summary buffers.")
6887 (defun gnus-dead-summary-mode (&optional arg)
6888 "Minor mode for Gnus summary buffers."
6890 (when (eq major-mode 'gnus-summary-mode)
6891 (make-local-variable 'gnus-dead-summary-mode)
6892 (setq gnus-dead-summary-mode
6893 (if (null arg) (not gnus-dead-summary-mode)
6894 (> (prefix-numeric-value arg) 0)))
6895 (when gnus-dead-summary-mode
6897 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6899 (defun gnus-deaden-summary ()
6900 "Make the current summary buffer into a dead summary buffer."
6901 ;; Kill any previous dead summary buffer.
6902 (when (and gnus-dead-summary
6903 (buffer-name gnus-dead-summary))
6904 (with-current-buffer gnus-dead-summary
6905 (when gnus-dead-summary-mode
6906 (kill-buffer (current-buffer)))))
6907 ;; Make this the current dead summary.
6908 (setq gnus-dead-summary (current-buffer))
6909 (gnus-dead-summary-mode 1)
6910 (let ((name (buffer-name)))
6911 (when (string-match "Summary" name)
6913 (concat (substring name 0 (match-beginning 0)) "Dead "
6914 (substring name (match-beginning 0)))
6918 (defun gnus-kill-or-deaden-summary (buffer)
6919 "Kill or deaden the summary BUFFER."
6921 (when (and (buffer-name buffer)
6922 (not gnus-single-article-buffer))
6923 (with-current-buffer buffer
6924 (gnus-kill-buffer gnus-article-buffer)
6925 (gnus-kill-buffer gnus-original-article-buffer)))
6928 (gnus-kill-summary-on-exit
6929 (when (and gnus-use-trees
6930 (gnus-buffer-exists-p buffer))
6933 (gnus-tree-close gnus-newsgroup-name)))
6934 (gnus-kill-buffer buffer))
6935 ;; Deaden the buffer.
6936 ((gnus-buffer-exists-p buffer)
6939 (gnus-deaden-summary))))))
6941 (defun gnus-summary-wake-up-the-dead (&rest args)
6942 "Wake up the dead summary buffer."
6944 (gnus-dead-summary-mode -1)
6945 (let ((name (buffer-name)))
6946 (when (string-match "Dead " name)
6948 (concat (substring name 0 (match-beginning 0))
6949 (substring name (match-end 0)))
6951 (gnus-message 3 "This dead summary is now alive again"))
6953 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6954 (defun gnus-summary-fetch-faq (&optional faq-dir)
6955 "Fetch the FAQ for the current group.
6956 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6960 (when current-prefix-arg
6962 "FAQ dir: " (and (listp gnus-group-faq-directory)
6964 gnus-group-faq-directory))))))
6965 (let (gnus-faq-buffer)
6966 (when (setq gnus-faq-buffer
6967 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6968 (gnus-configure-windows 'summary-faq))))
6970 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6971 (defun gnus-summary-describe-group (&optional force)
6972 "Describe the current newsgroup."
6974 (gnus-group-describe-group force gnus-newsgroup-name))
6976 (defun gnus-summary-describe-briefly ()
6977 "Describe summary mode commands briefly."
6979 (gnus-message 6 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
6981 ;; Walking around group mode buffer from summary mode.
6983 (defun gnus-summary-next-group (&optional no-article target-group backward)
6984 "Exit current newsgroup and then select next unread newsgroup.
6985 If prefix argument NO-ARTICLE is non-nil, no article is selected
6986 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6987 previous group instead."
6989 ;; Stop pre-fetching.
6990 (gnus-async-halt-prefetch)
6991 (let ((current-group gnus-newsgroup-name)
6992 (current-buffer (current-buffer))
6994 ;; First we semi-exit this group to update Xrefs and all variables.
6995 ;; We can't do a real exit, because the window conf must remain
6996 ;; the same in case the user is prompted for info, and we don't
6997 ;; want the window conf to change before that...
6998 (gnus-summary-exit t)
6999 (while (not entered)
7000 ;; Then we find what group we are supposed to enter.
7001 (set-buffer gnus-group-buffer)
7002 (gnus-group-jump-to-group current-group)
7005 (if (eq gnus-keep-same-level 'best)
7006 (gnus-summary-best-group gnus-newsgroup-name)
7007 (gnus-summary-search-group backward gnus-keep-same-level))))
7008 (if (not target-group)
7009 ;; There are no further groups, so we return to the group
7012 (gnus-message 5 "Returning to the group buffer")
7014 (when (gnus-buffer-live-p current-buffer)
7015 (set-buffer current-buffer)
7016 (gnus-summary-exit))
7017 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7018 ;; We try to enter the target group.
7019 (gnus-group-jump-to-group target-group)
7020 (let ((unreads (gnus-group-group-unread)))
7021 (if (and (or (eq t unreads)
7022 (and unreads (not (zerop unreads))))
7023 (gnus-summary-read-group
7024 target-group nil no-article
7025 (and (buffer-name current-buffer) current-buffer)
7028 (setq current-group target-group
7029 target-group nil)))))))
7031 (defun gnus-summary-prev-group (&optional no-article)
7032 "Exit current newsgroup and then select previous unread newsgroup.
7033 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7035 (gnus-summary-next-group no-article nil t))
7037 ;; Walking around summary lines.
7039 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7040 "Go to the first subject satisfying any non-nil constraint.
7041 If UNREAD is non-nil, the article should be unread.
7042 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7043 If UNSEEN is non-nil, the article should be unseen.
7044 Returns the article selected or nil if there are no matching articles."
7048 ((null gnus-newsgroup-data)
7049 (gnus-message 3 "No articles in the group")
7051 ;; Pick the first article.
7052 ((not (or unread undownloaded unseen))
7053 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7054 (gnus-data-number (car gnus-newsgroup-data)))
7055 ;; Find the first unread article.
7057 (let ((data gnus-newsgroup-data))
7059 (let ((num (gnus-data-number (car data))))
7060 (or (memq num gnus-newsgroup-unfetched)
7061 (not (or (and unread
7062 (memq num gnus-newsgroup-unreads))
7064 (memq num gnus-newsgroup-undownloaded))
7066 (memq num gnus-newsgroup-unseen)))))))
7067 (setq data (cdr data)))
7071 (goto-char (gnus-data-pos (car data)))
7072 (gnus-data-number (car data)))
7073 (gnus-message 3 "No more%s articles"
7074 (let* ((r (when unread " unread"))
7075 (d (when undownloaded " undownloaded"))
7076 (s (when unseen " unseen"))
7077 (l (delq nil (list r d s))))
7078 (cond ((= 3 (length l))
7079 (concat r "," d ", or" s))
7081 (concat (car l) ", or" (cadr l)))
7088 (gnus-summary-position-point))))))
7090 (defun gnus-summary-next-subject (n &optional unread dont-display)
7091 "Go to next N'th summary line.
7092 If N is negative, go to the previous N'th subject line.
7093 If UNREAD is non-nil, only unread articles are selected.
7094 The difference between N and the actual number of steps taken is
7097 (let ((backward (< n 0))
7101 (gnus-summary-find-prev unread)
7102 (gnus-summary-find-next unread)))
7103 (unless (zerop (setq n (1- n)))
7104 (gnus-summary-show-thread)))
7106 (gnus-message 7 "No more%s articles"
7107 (if unread " unread" "")))
7108 (unless dont-display
7109 (gnus-summary-recenter)
7110 (gnus-summary-position-point))
7113 (defun gnus-summary-next-unread-subject (n)
7114 "Go to next N'th unread summary line."
7116 (gnus-summary-next-subject n t))
7118 (defun gnus-summary-prev-subject (n &optional unread)
7119 "Go to previous N'th summary line.
7120 If optional argument UNREAD is non-nil, only unread article is selected."
7122 (gnus-summary-next-subject (- n) unread))
7124 (defun gnus-summary-prev-unread-subject (n)
7125 "Go to previous N'th unread summary line."
7127 (gnus-summary-next-subject (- n) t))
7129 (defun gnus-summary-goto-subjects (articles)
7130 "Insert the subject header for ARTICLES in the current buffer."
7132 (dolist (article articles)
7133 (gnus-summary-goto-subject article t)))
7134 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7135 (gnus-summary-position-point))
7137 (defun gnus-summary-goto-subject (article &optional force silent)
7138 "Go the subject line of ARTICLE.
7139 If FORCE, also allow jumping to articles not currently shown."
7140 (interactive "nArticle number: ")
7141 (unless (numberp article)
7142 (error "Article %s is not a number" article))
7144 (data (gnus-data-find article)))
7145 ;; We read in the article if we have to.
7148 (gnus-summary-insert-subject
7150 (if (or (numberp force) (vectorp force)) force)
7152 (setq data (gnus-data-find article)))
7157 (gnus-message 3 "Can't find article %d" article))
7159 (let ((pt (gnus-data-pos data)))
7161 (gnus-summary-set-article-display-arrow pt))
7162 (gnus-summary-position-point)
7165 ;; Walking around summary lines with displaying articles.
7167 (defun gnus-summary-expand-window (&optional arg)
7168 "Make the summary buffer take up the entire Emacs frame.
7169 Given a prefix, will force an `article' buffer configuration."
7172 (gnus-configure-windows 'article 'force)
7173 (gnus-configure-windows 'summary 'force)))
7175 (defun gnus-summary-display-article (article &optional all-header)
7176 "Display ARTICLE in article buffer."
7177 (when (gnus-buffer-live-p gnus-article-buffer)
7178 (with-current-buffer gnus-article-buffer
7179 (set-buffer-multibyte t)))
7180 (gnus-set-global-variables)
7181 (when (gnus-buffer-live-p gnus-article-buffer)
7182 (with-current-buffer gnus-article-buffer
7183 (setq gnus-article-charset gnus-newsgroup-charset)
7184 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7185 (set-buffer-multibyte t)))
7189 (if gnus-summary-display-article-function
7190 (funcall gnus-summary-display-article-function article all-header)
7191 (gnus-article-prepare article all-header))
7192 (with-current-buffer gnus-article-buffer
7193 (set (make-local-variable 'gnus-summary-search-article-matched-data)
7195 (gnus-run-hooks 'gnus-select-article-hook)
7196 (when (and gnus-current-article
7197 (not (zerop gnus-current-article)))
7198 (gnus-summary-goto-subject gnus-current-article))
7199 (gnus-summary-recenter)
7200 (when (and gnus-use-trees gnus-show-threads)
7201 (gnus-possibly-generate-tree article)
7202 (gnus-highlight-selected-tree article))
7203 ;; Successfully display article.
7204 (gnus-article-set-window-start
7205 (cdr (assq article gnus-newsgroup-bookmarks))))))
7207 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7208 "Select the current article.
7209 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7210 non-nil, the article will be re-fetched even if it already present in
7211 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7213 ;; Make sure we are in the summary buffer to work around bbdb bug.
7214 (unless (eq major-mode 'gnus-summary-mode)
7215 (set-buffer gnus-summary-buffer))
7216 (let ((article (or article (gnus-summary-article-number)))
7217 (all-headers (not (not all-headers))) ;Must be T or NIL.
7218 gnus-summary-display-article-function)
7220 (gnus-summary-article-pseudo-p article)
7221 (error "This is a pseudo-article"))
7223 (set-buffer gnus-summary-buffer)
7224 (if (or (and gnus-single-article-buffer
7225 (or (null gnus-current-article)
7226 (null gnus-article-current)
7227 (null (get-buffer gnus-article-buffer))
7228 (not (eq article (cdr gnus-article-current)))
7229 (not (equal (car gnus-article-current)
7230 gnus-newsgroup-name))))
7231 (and (not gnus-single-article-buffer)
7232 (or (null gnus-current-article)
7233 (not (eq gnus-current-article article))))
7235 ;; The requested article is different from the current article.
7237 (gnus-summary-display-article article all-headers)
7238 (gnus-article-set-window-start
7239 (cdr (assq article gnus-newsgroup-bookmarks)))
7243 (defun gnus-summary-force-verify-and-decrypt ()
7244 "Display buttons for signed/encrypted parts and verify/decrypt them."
7246 (let ((mm-verify-option 'known)
7247 (mm-decrypt-option 'known)
7248 (gnus-article-emulate-mime t)
7249 (gnus-buttonized-mime-types (append (list "multipart/signed"
7250 "multipart/encrypted")
7251 gnus-buttonized-mime-types)))
7252 (gnus-summary-select-article nil 'force)))
7254 (defun gnus-summary-set-current-mark (&optional current-mark)
7255 "Obsolete function."
7258 (defun gnus-summary-next-article (&optional unread subject backward push)
7259 "Select the next article.
7260 If UNREAD, only unread articles are selected.
7261 If SUBJECT, only articles with SUBJECT are selected.
7262 If BACKWARD, the previous article is selected instead of the next."
7265 ;; Is there such an article?
7266 ((and (gnus-summary-search-forward unread subject backward)
7267 (or (gnus-summary-display-article (gnus-summary-article-number))
7268 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7269 (gnus-summary-position-point))
7270 ;; If not, we try the first unread, if that is wanted.
7272 gnus-auto-select-same
7273 (gnus-summary-first-unread-article))
7274 (gnus-summary-position-point)
7275 (gnus-message 6 "Wrapped"))
7276 ;; Try to get next/previous article not displayed in this group.
7277 ((and gnus-auto-extend-newsgroup
7278 (not unread) (not subject))
7279 (gnus-summary-goto-article
7280 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7281 nil (count-lines (point-min) (point))))
7282 ;; Go to next/previous group.
7284 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7285 (gnus-summary-jump-to-group gnus-newsgroup-name))
7286 (let ((cmd last-command-char)
7288 (with-current-buffer gnus-group-buffer
7291 (if (eq gnus-keep-same-level 'best)
7292 (gnus-summary-best-group gnus-newsgroup-name)
7293 (gnus-summary-search-group backward gnus-keep-same-level))))
7294 ;; For some reason, the group window gets selected. We change
7296 (select-window (get-buffer-window (current-buffer)))
7297 ;; Select next unread newsgroup automagically.
7299 ((or (not gnus-auto-select-next)
7301 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7302 ((or (eq gnus-auto-select-next 'quietly)
7303 (and (eq gnus-auto-select-next 'slightly-quietly)
7305 (and (eq gnus-auto-select-next 'almost-quietly)
7306 (gnus-summary-last-article-p)))
7308 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7310 (gnus-message 7 "No more%s articles (%s)..."
7311 (if unread " unread" "")
7312 (if group (concat "selecting " group)
7314 (gnus-summary-next-group nil group backward)))
7316 (when (gnus-key-press-event-p last-input-event)
7317 (gnus-summary-walk-group-buffer
7318 gnus-newsgroup-name cmd unread backward point))))))))
7320 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7321 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7322 (?\C-p (gnus-group-prev-unread-group 1))))
7323 (cursor-in-echo-area t)
7324 keve key group ended prompt)
7326 (set-buffer gnus-group-buffer)
7329 (if (eq gnus-keep-same-level 'best)
7330 (gnus-summary-best-group gnus-newsgroup-name)
7331 (gnus-summary-search-group backward gnus-keep-same-level))))
7335 "No more%s articles%s " (if unread " unread" "")
7337 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7338 (format " (Type %s for %s [%s])"
7339 (single-key-description cmd)
7340 (gnus-group-decoded-name group)
7341 (gnus-group-unread group))
7342 (format " (Type %s to exit %s)"
7343 (single-key-description cmd)
7344 (gnus-group-decoded-name gnus-newsgroup-name)))))
7345 ;; Confirm auto selection.
7346 (setq key (car (setq keve (gnus-read-event-char prompt)))
7349 ((assq key keystrokes)
7350 (let ((obuf (current-buffer)))
7351 (switch-to-buffer gnus-group-buffer)
7353 (gnus-group-jump-to-group group))
7354 (eval (cadr (assq key keystrokes)))
7355 (setq group (gnus-group-group-name))
7356 (switch-to-buffer obuf))
7360 (gnus-ephemeral-group-p gnus-newsgroup-name))
7362 (gnus-summary-next-group nil group backward)))
7364 (push (cdr keve) unread-command-events))))))
7366 (defun gnus-summary-next-unread-article ()
7367 "Select unread article after current one."
7369 (gnus-summary-next-article
7370 (or (not (eq gnus-summary-goto-unread 'never))
7371 (gnus-summary-last-article-p (gnus-summary-article-number)))
7372 (and gnus-auto-select-same
7373 (gnus-summary-article-subject))))
7375 (defun gnus-summary-prev-article (&optional unread subject)
7376 "Select the article after the current one.
7377 If UNREAD is non-nil, only unread articles are selected."
7379 (gnus-summary-next-article unread subject t))
7381 (defun gnus-summary-prev-unread-article ()
7382 "Select unread article before current one."
7384 (gnus-summary-prev-article
7385 (or (not (eq gnus-summary-goto-unread 'never))
7386 (gnus-summary-first-article-p (gnus-summary-article-number)))
7387 (and gnus-auto-select-same
7388 (gnus-summary-article-subject))))
7390 (defun gnus-summary-next-page (&optional lines circular stop)
7391 "Show next page of the selected article.
7392 If at the end of the current article, select the next article.
7393 LINES says how many lines should be scrolled up.
7395 If CIRCULAR is non-nil, go to the start of the article instead of
7396 selecting the next article when reaching the end of the current
7399 If STOP is non-nil, just stop when reaching the end of the message.
7401 Also see the variable `gnus-article-skip-boring'."
7403 (setq gnus-summary-buffer (current-buffer))
7404 (gnus-set-global-variables)
7405 (let ((article (gnus-summary-article-number))
7406 (article-window (get-buffer-window gnus-article-buffer t))
7408 ;; If the buffer is empty, we have no article.
7410 (error "No article to select"))
7411 (gnus-configure-windows 'article)
7412 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7413 (if (and (eq gnus-summary-goto-unread 'never)
7414 (not (gnus-summary-last-article-p article)))
7415 (gnus-summary-next-article)
7416 (gnus-summary-next-unread-article))
7417 (if (or (null gnus-current-article)
7418 (null gnus-article-current)
7419 (/= article (cdr gnus-article-current))
7420 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7421 ;; Selected subject is different from current article's.
7422 (gnus-summary-display-article article)
7423 (when article-window
7424 (gnus-eval-in-buffer-window gnus-article-buffer
7425 (setq endp (or (gnus-article-next-page lines)
7426 (gnus-article-only-boring-p))))
7429 (gnus-message 3 "End of message"))
7431 (gnus-summary-beginning-of-article))
7433 (gnus-message 3 "End of message"))
7435 (if (and (eq gnus-summary-goto-unread 'never)
7436 (not (gnus-summary-last-article-p article)))
7437 (gnus-summary-next-article)
7438 (gnus-summary-next-unread-article))))))))
7439 (gnus-summary-recenter)
7440 (gnus-summary-position-point)))
7442 (defun gnus-summary-prev-page (&optional lines move)
7443 "Show previous page of selected article.
7444 Argument LINES specifies lines to be scrolled down.
7445 If MOVE, move to the previous unread article if point is at
7446 the beginning of the buffer."
7448 (let ((article (gnus-summary-article-number))
7449 (article-window (get-buffer-window gnus-article-buffer t))
7451 (gnus-configure-windows 'article)
7452 (if (or (null gnus-current-article)
7453 (null gnus-article-current)
7454 (/= article (cdr gnus-article-current))
7455 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7456 ;; Selected subject is different from current article's.
7457 (gnus-summary-display-article article)
7458 (gnus-summary-recenter)
7459 (when article-window
7460 (gnus-eval-in-buffer-window gnus-article-buffer
7461 (setq endp (gnus-article-prev-page lines)))
7462 (when (and move endp)
7464 (gnus-message 3 "Beginning of message"))
7466 (if (and (eq gnus-summary-goto-unread 'never)
7467 (not (gnus-summary-first-article-p article)))
7468 (gnus-summary-prev-article)
7469 (gnus-summary-prev-unread-article))))))))
7470 (gnus-summary-position-point))
7472 (defun gnus-summary-prev-page-or-article (&optional lines)
7473 "Show previous page of selected article.
7474 Argument LINES specifies lines to be scrolled down.
7475 If at the beginning of the article, go to the next article."
7477 (gnus-summary-prev-page lines t))
7479 (defun gnus-summary-scroll-up (lines)
7480 "Scroll up (or down) one line current article.
7481 Argument LINES specifies lines to be scrolled up (or down if negative)."
7483 (gnus-configure-windows 'article)
7484 (gnus-summary-show-thread)
7485 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7486 (gnus-eval-in-buffer-window gnus-article-buffer
7488 (when (gnus-article-next-page lines)
7489 (gnus-message 3 "End of message")))
7491 (gnus-article-prev-page (- lines))))))
7492 (gnus-summary-recenter)
7493 (gnus-summary-position-point))
7495 (defun gnus-summary-scroll-down (lines)
7496 "Scroll down (or up) one line current article.
7497 Argument LINES specifies lines to be scrolled down (or up if negative)."
7499 (gnus-summary-scroll-up (- lines)))
7501 (defun gnus-summary-next-same-subject ()
7502 "Select next article which has the same subject as current one."
7504 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7506 (defun gnus-summary-prev-same-subject ()
7507 "Select previous article which has the same subject as current one."
7509 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7511 (defun gnus-summary-next-unread-same-subject ()
7512 "Select next unread article which has the same subject as current one."
7514 (gnus-summary-next-article t (gnus-summary-article-subject)))
7516 (defun gnus-summary-prev-unread-same-subject ()
7517 "Select previous unread article which has the same subject as current one."
7519 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7521 (defun gnus-summary-first-unread-article ()
7522 "Select the first unread article.
7523 Return nil if there are no unread articles."
7526 (when (gnus-summary-first-subject t)
7527 (gnus-summary-show-thread)
7528 (gnus-summary-first-subject t)
7529 (gnus-summary-display-article (gnus-summary-article-number)))
7530 (gnus-summary-position-point)))
7532 (defun gnus-summary-first-unread-subject ()
7533 "Place the point on the subject line of the first unread article.
7534 Return nil if there are no unread articles."
7537 (when (gnus-summary-first-subject t)
7538 (gnus-summary-show-thread)
7539 (gnus-summary-first-subject t))
7540 (gnus-summary-position-point)))
7542 (defun gnus-summary-first-unseen-subject ()
7543 "Place the point on the subject line of the first unseen article.
7544 Return nil if there are no unseen articles."
7547 (when (gnus-summary-first-subject nil nil t)
7548 (gnus-summary-show-thread)
7549 (gnus-summary-first-subject nil nil t))
7550 (gnus-summary-position-point)))
7552 (defun gnus-summary-first-unseen-or-unread-subject ()
7553 "Place the point on the subject line of the first unseen article or,
7554 if all article have been seen, on the subject line of the first unread
7558 (unless (when (gnus-summary-first-subject nil nil t)
7559 (gnus-summary-show-thread)
7560 (gnus-summary-first-subject nil nil t))
7561 (when (gnus-summary-first-subject t)
7562 (gnus-summary-show-thread)
7563 (gnus-summary-first-subject t)))
7564 (gnus-summary-position-point)))
7566 (defun gnus-summary-first-article ()
7567 "Select the first article.
7568 Return nil if there are no articles."
7571 (when (gnus-summary-first-subject)
7572 (gnus-summary-show-thread)
7573 (gnus-summary-first-subject)
7574 (gnus-summary-display-article (gnus-summary-article-number)))
7575 (gnus-summary-position-point)))
7577 (defun gnus-summary-best-unread-article (&optional arg)
7578 "Select the unread article with the highest score.
7579 If given a prefix argument, select the next unread article that has a
7580 score higher than the default score."
7582 (let ((article (if arg
7583 (gnus-summary-better-unread-subject)
7584 (gnus-summary-best-unread-subject))))
7586 (gnus-summary-goto-article article)
7587 (error "No unread articles"))))
7589 (defun gnus-summary-best-unread-subject ()
7590 "Select the unread subject with the highest score."
7592 (let ((best -1000000)
7593 (data gnus-newsgroup-data)
7596 (and (gnus-data-unread-p (car data))
7598 (gnus-summary-article-score (gnus-data-number (car data))))
7601 article (gnus-data-number (car data))))
7602 (setq data (cdr data)))
7604 (gnus-summary-goto-subject article))
7605 (gnus-summary-position-point)
7608 (defun gnus-summary-better-unread-subject ()
7609 "Select the first unread subject that has a score over the default score."
7611 (let ((data gnus-newsgroup-data)
7613 (while (and (setq article (gnus-data-number (car data)))
7614 (or (gnus-data-read-p (car data))
7615 (not (> (gnus-summary-article-score article)
7616 gnus-summary-default-score))))
7617 (setq data (cdr data)))
7619 (gnus-summary-goto-subject article))
7620 (gnus-summary-position-point)
7623 (defun gnus-summary-last-subject ()
7624 "Go to the last displayed subject line in the group."
7625 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7627 (gnus-summary-goto-subject article))))
7629 (defun gnus-summary-goto-article (article &optional all-headers force)
7630 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7631 If ALL-HEADERS is non-nil, no header lines are hidden.
7632 If FORCE, go to the article even if it isn't displayed. If FORCE
7633 is a number, it is the line the article is to be displayed on."
7637 "Article number or Message-ID: "
7638 (mapcar (lambda (number) (list (int-to-string number)))
7639 gnus-newsgroup-limit))
7643 (if (and (stringp article)
7644 (string-match "@\\|%40" article))
7645 (gnus-summary-refer-article article)
7646 (when (stringp article)
7647 (setq article (string-to-number article)))
7648 (if (gnus-summary-goto-subject article force)
7649 (gnus-summary-display-article article all-headers)
7650 (gnus-message 4 "Couldn't go to article %s" article) nil))
7651 (gnus-summary-position-point)))
7653 (defun gnus-summary-goto-last-article ()
7654 "Go to the previously read article."
7657 (when gnus-last-article
7658 (gnus-summary-goto-article gnus-last-article nil t))
7659 (gnus-summary-position-point)))
7661 (defun gnus-summary-pop-article (number)
7662 "Pop one article off the history and go to the previous.
7663 NUMBER articles will be popped off."
7666 (setq gnus-newsgroup-history
7667 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7669 (gnus-summary-goto-article (car to) nil t)
7670 (error "Article history empty")))
7671 (gnus-summary-position-point))
7673 ;; Summary commands and functions for limiting the summary buffer.
7675 (defun gnus-summary-limit-to-articles (n)
7676 "Limit the summary buffer to the next N articles.
7677 If not given a prefix, use the process marked articles instead."
7680 (let ((articles (gnus-summary-work-articles n)))
7681 (setq gnus-newsgroup-processable nil)
7682 (gnus-summary-limit articles))
7683 (gnus-summary-position-point)))
7685 (defun gnus-summary-pop-limit (&optional total)
7686 "Restore the previous limit.
7687 If given a prefix, remove all limits."
7690 (setq gnus-newsgroup-limits
7691 (list (mapcar (lambda (h) (mail-header-number h))
7692 gnus-newsgroup-headers))))
7693 (unless gnus-newsgroup-limits
7694 (error "No limit to pop"))
7696 (gnus-summary-limit nil 'pop)
7697 (gnus-summary-position-point)))
7699 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7700 "Limit the summary buffer to articles that have subjects that match a regexp.
7701 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7703 (list (read-string (if current-prefix-arg
7704 "Exclude subject (regexp): "
7705 "Limit to subject (regexp): "))
7706 nil current-prefix-arg))
7708 (setq header "subject"))
7709 (when (not (equal "" subject))
7711 (let ((articles (gnus-summary-find-matching
7712 (or header "subject") subject 'all nil nil
7715 (error "Found no matches for \"%s\"" subject))
7716 (gnus-summary-limit articles))
7717 (gnus-summary-position-point))))
7719 (defun gnus-summary-limit-to-author (from &optional not-matching)
7720 "Limit the summary buffer to articles that have authors that match a regexp.
7721 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7723 (list (read-string (if current-prefix-arg
7724 "Exclude author (regexp): "
7725 "Limit to author (regexp): "))
7726 current-prefix-arg))
7727 (gnus-summary-limit-to-subject from "from" not-matching))
7729 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
7730 "Limit the summary buffer to articles with the given RECIPIENT.
7732 If NOT-MATCHING, exclude RECIPIENT.
7734 To and Cc headers are checked. You need to include them in
7735 `nnmail-extra-headers'."
7736 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
7738 (list (read-string (format "%s recipient (regexp): "
7739 (if current-prefix-arg "Exclude" "Limit to")))
7740 current-prefix-arg))
7741 (when (not (equal "" recipient))
7743 (if (memq 'To nnmail-extra-headers)
7744 (gnus-summary-find-matching
7745 (cons 'extra 'To) recipient 'all nil nil
7748 1 "`To' isn't present in `nnmail-extra-headers'")
7752 (if (memq 'Cc nnmail-extra-headers)
7753 (gnus-summary-find-matching
7754 (cons 'extra 'Cc) recipient 'all nil nil
7757 1 "`Cc' isn't present in `nnmail-extra-headers'")
7762 ;; We need the numbers that are in both lists:
7764 (and (memq a to) a))
7768 (error "Found no matches for \"%s\"" recipient))
7769 (gnus-summary-limit articles))
7770 (gnus-summary-position-point))))
7772 (defun gnus-summary-limit-to-age (age &optional younger-p)
7773 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7774 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7775 articles that are younger than AGE days."
7777 (let ((younger current-prefix-arg)
7780 (while (not days-got)
7781 (setq days (if younger
7782 (read-string "Limit to articles younger than (in days, older when negative): ")
7784 "Limit to articles older than (in days, younger when negative): ")))
7785 (when (> (length days) 0)
7786 (setq days (read days)))
7791 (setq younger (not younger))
7792 (setq days (* days -1))))
7793 (message "Please enter a number.")
7795 (list days younger)))
7797 (let ((data gnus-newsgroup-data)
7798 (cutoff (days-to-time age))
7799 articles d date is-younger)
7800 (while (setq d (pop data))
7801 (when (and (vectorp (gnus-data-header d))
7802 (setq date (mail-header-date (gnus-data-header d))))
7803 (setq is-younger (time-less-p
7804 (time-since (condition-case ()
7811 (push (gnus-data-number d) articles))))
7812 (gnus-summary-limit (nreverse articles)))
7813 (gnus-summary-position-point)))
7815 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7816 "Limit the summary buffer to articles that match an 'extra' header."
7820 (gnus-completing-read-with-default
7821 (symbol-name (car gnus-extra-headers))
7822 (if current-prefix-arg
7823 "Exclude extra header"
7824 "Limit extra header")
7826 (cons (symbol-name x) x))
7831 (read-string (format "%s header %s (regexp): "
7832 (if current-prefix-arg "Exclude" "Limit to")
7834 current-prefix-arg)))
7835 (when (not (equal "" regexp))
7837 (let ((articles (gnus-summary-find-matching
7838 (cons 'extra header) regexp 'all nil nil
7841 (error "Found no matches for \"%s\"" regexp))
7842 (gnus-summary-limit articles))
7843 (gnus-summary-position-point))))
7845 (defun gnus-summary-limit-to-display-predicate ()
7846 "Limit the summary buffer to the predicated in the `display' group parameter."
7848 (unless gnus-newsgroup-display
7849 (error "There is no `display' group parameter"))
7851 (dolist (number gnus-newsgroup-articles)
7852 (when (funcall gnus-newsgroup-display)
7853 (push number articles)))
7854 (gnus-summary-limit articles))
7855 (gnus-summary-position-point))
7857 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7859 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7861 (defun gnus-summary-limit-to-unread (&optional all)
7862 "Limit the summary buffer to articles that are not marked as read.
7863 If ALL is non-nil, limit strictly to unread articles."
7866 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7867 (gnus-summary-limit-to-marks
7868 ;; Concat all the marks that say that an article is read and have
7870 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7871 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7872 gnus-low-score-mark gnus-expirable-mark
7873 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7874 gnus-duplicate-mark gnus-souped-mark)
7877 (defun gnus-summary-limit-to-replied (&optional unreplied)
7878 "Limit the summary buffer to replied articles.
7879 If UNREPLIED (the prefix), limit to unreplied articles."
7883 (gnus-set-difference gnus-newsgroup-articles
7884 gnus-newsgroup-replied))
7885 (gnus-summary-limit gnus-newsgroup-replied))
7886 (gnus-summary-position-point))
7888 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7889 (make-obsolete 'gnus-summary-delete-marked-with
7890 'gnus-summary-limit-exclude-marks)
7892 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7893 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7894 If REVERSE, limit the summary buffer to articles that are marked
7895 with MARKS. MARKS can either be a string of marks or a list of marks.
7896 Returns how many articles were removed."
7897 (interactive "sMarks: ")
7898 (gnus-summary-limit-to-marks marks t))
7900 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7901 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7902 If REVERSE (the prefix), limit the summary buffer to articles that are
7903 not marked with MARKS. MARKS can either be a string of marks or a
7905 Returns how many articles were removed."
7906 (interactive "sMarks: \nP")
7908 (let ((data gnus-newsgroup-data)
7909 (marks (if (listp marks) marks
7910 (append marks nil))) ; Transform to list.
7913 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7914 (memq (gnus-data-mark (car data)) marks))
7915 (push (gnus-data-number (car data)) articles))
7916 (setq data (cdr data)))
7917 (gnus-summary-limit articles))
7918 (gnus-summary-position-point)))
7920 (defun gnus-summary-limit-to-score (score)
7921 "Limit to articles with score at or above SCORE."
7922 (interactive "NLimit to articles with score of at least: ")
7923 (let ((data gnus-newsgroup-data)
7926 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7928 (push (gnus-data-number (car data)) articles))
7929 (setq data (cdr data)))
7931 (gnus-summary-limit articles)
7932 (gnus-summary-position-point))))
7934 (defun gnus-summary-limit-to-unseen ()
7935 "Limit to unseen articles."
7938 (gnus-summary-limit gnus-newsgroup-unseen)
7939 (gnus-summary-position-point)))
7941 (defun gnus-summary-limit-include-thread (id)
7942 "Display all the hidden articles that is in the thread with ID in it.
7943 When called interactively, ID is the Message-ID of the current
7945 (interactive (list (mail-header-id (gnus-summary-article-header))))
7946 (let ((articles (gnus-articles-in-thread
7947 (gnus-id-to-thread (gnus-root-id id)))))
7949 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7950 (gnus-summary-limit-include-matching-articles
7952 (regexp-quote (gnus-simplify-subject-re
7953 (mail-header-subject (gnus-id-to-header id)))))
7954 (gnus-summary-position-point))))
7956 (defun gnus-summary-limit-include-matching-articles (header regexp)
7957 "Display all the hidden articles that have HEADERs that match REGEXP."
7958 (interactive (list (read-string "Match on header: ")
7959 (read-string "Regexp: ")))
7960 (let ((articles (gnus-find-matching-articles header regexp)))
7962 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7963 (gnus-summary-position-point))))
7965 (defun gnus-summary-insert-dormant-articles ()
7966 "Insert all the dormant articles for this group into the current buffer."
7968 (let ((gnus-verbose (max 6 gnus-verbose)))
7969 (if (not gnus-newsgroup-dormant)
7970 (gnus-message 3 "No cached articles for this group")
7971 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7973 (defun gnus-summary-limit-include-dormant ()
7974 "Display all the hidden articles that are marked as dormant.
7975 Note that this command only works on a subset of the articles currently
7976 fetched for this group."
7978 (unless gnus-newsgroup-dormant
7979 (error "There are no dormant articles in this group"))
7981 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7982 (gnus-summary-position-point)))
7984 (defun gnus-summary-limit-exclude-dormant ()
7985 "Hide all dormant articles."
7988 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7989 (gnus-summary-position-point)))
7991 (defun gnus-summary-limit-exclude-childless-dormant ()
7992 "Hide all dormant articles that have no children."
7994 (let ((data (gnus-data-list t))
7995 articles d children)
7996 ;; Find all articles that are either not dormant or have
7998 (while (setq d (pop data))
7999 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8001 (gnus-article-children (gnus-data-number d)))
8004 (when (memq (car children) articles)
8009 (push (gnus-data-number d) articles)))
8012 (gnus-summary-limit articles)
8013 (gnus-summary-position-point))))
8015 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8016 "Mark all unread excluded articles as read.
8017 If ALL, mark even excluded ticked and dormants as read."
8019 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8020 (let ((articles (gnus-sorted-ndifference
8022 (mapcar (lambda (h) (mail-header-number h))
8023 gnus-newsgroup-headers)
8025 gnus-newsgroup-limit))
8027 (setq gnus-newsgroup-unreads
8028 (gnus-sorted-intersection gnus-newsgroup-unreads
8029 gnus-newsgroup-limit))
8031 (setq gnus-newsgroup-dormant nil
8032 gnus-newsgroup-marked nil
8033 gnus-newsgroup-reads
8035 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8036 gnus-newsgroup-reads))
8037 (while (setq article (pop articles))
8038 (unless (or (memq article gnus-newsgroup-dormant)
8039 (memq article gnus-newsgroup-marked))
8040 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8042 (defun gnus-summary-limit (articles &optional pop)
8044 ;; We pop the previous limit off the stack and use that.
8045 (setq articles (car gnus-newsgroup-limits)
8046 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8047 ;; We use the new limit, so we push the old limit on the stack.
8048 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8050 (setq gnus-newsgroup-limit articles)
8051 (let ((total (length gnus-newsgroup-data))
8052 (data (gnus-data-find-list (gnus-summary-article-number)))
8053 (gnus-summary-mark-below nil) ; Inhibit this.
8055 ;; This will do all the work of generating the new summary buffer
8056 ;; according to the new limit.
8057 (gnus-summary-prepare)
8058 ;; Hide any threads, possibly.
8059 (gnus-summary-maybe-hide-threads)
8060 ;; Try to return to the article you were at, or one in the
8063 ;; We try to find some article after the current one.
8065 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8068 (setq data (cdr data))))
8070 ;; If there is no data, that means that we were after the last
8071 ;; article. The same goes when we can't find any articles
8072 ;; after the current one.
8073 (goto-char (point-max))
8074 (gnus-summary-find-prev))
8075 (gnus-set-mode-line 'summary)
8076 ;; We return how many articles were removed from the summary
8077 ;; buffer as a result of the new limit.
8078 (- total (length gnus-newsgroup-data))))
8080 (defsubst gnus-invisible-cut-children (threads)
8083 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8088 (defsubst gnus-cut-thread (thread)
8089 "Go forwards in the thread until we find an article that we want to display."
8090 (when (or (eq gnus-fetch-old-headers 'some)
8091 (eq gnus-fetch-old-headers 'invisible)
8092 (numberp gnus-fetch-old-headers)
8093 (eq gnus-build-sparse-threads 'some)
8094 (eq gnus-build-sparse-threads 'more))
8095 ;; Deal with old-fetched headers and sparse threads.
8099 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8100 (gnus-summary-article-ancient-p
8101 (mail-header-number (car thread))))
8102 (if (or (<= (length (cdr thread)) 1)
8103 (eq gnus-fetch-old-headers 'invisible))
8104 (setq gnus-newsgroup-limit
8105 (delq (mail-header-number (car thread))
8106 gnus-newsgroup-limit)
8107 thread (cadr thread))
8108 (when (gnus-invisible-cut-children (cdr thread))
8109 (let ((th (cdr thread)))
8111 (if (memq (mail-header-number (caar th))
8112 gnus-newsgroup-limit)
8113 (setq thread (car th)
8115 (setq th (cdr th))))))))))
8118 (defun gnus-cut-threads (threads)
8119 "Cut off all uninteresting articles from the beginning of THREADS."
8120 (when (or (eq gnus-fetch-old-headers 'some)
8121 (eq gnus-fetch-old-headers 'invisible)
8122 (numberp gnus-fetch-old-headers)
8123 (eq gnus-build-sparse-threads 'some)
8124 (eq gnus-build-sparse-threads 'more))
8127 (setcar th (gnus-cut-thread (car th)))
8128 (setq th (cdr th)))))
8129 ;; Remove nixed out threads.
8132 (defun gnus-summary-initial-limit (&optional show-if-empty)
8133 "Figure out what the initial limit is supposed to be on group entry.
8134 This entails weeding out unwanted dormants, low-scored articles,
8135 fetch-old-headers verbiage, and so on."
8136 ;; Most groups have nothing to remove.
8137 (if (or gnus-inhibit-limiting
8138 (and (null gnus-newsgroup-dormant)
8139 (eq gnus-newsgroup-display 'gnus-not-ignore)
8140 (not (eq gnus-fetch-old-headers 'some))
8141 (not (numberp gnus-fetch-old-headers))
8142 (not (eq gnus-fetch-old-headers 'invisible))
8143 (null gnus-summary-expunge-below)
8144 (not (eq gnus-build-sparse-threads 'some))
8145 (not (eq gnus-build-sparse-threads 'more))
8146 (null gnus-thread-expunge-below)
8147 (not gnus-use-nocem)))
8149 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8150 (setq gnus-newsgroup-limit nil)
8153 (unless (car (symbol-value node))
8154 ;; These threads have no parents -- they are roots.
8155 (let ((nodes (cdr (symbol-value node)))
8158 (if (and gnus-thread-expunge-below
8159 (< (gnus-thread-total-score (car nodes))
8160 gnus-thread-expunge-below))
8161 (gnus-expunge-thread (pop nodes))
8162 (setq thread (pop nodes))
8163 (gnus-summary-limit-children thread))))))
8164 gnus-newsgroup-dependencies)
8165 ;; If this limitation resulted in an empty group, we might
8166 ;; pop the previous limit and use it instead.
8167 (when (and (not gnus-newsgroup-limit)
8169 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8170 gnus-newsgroup-limit))
8172 (defun gnus-summary-limit-children (thread)
8173 "Return 1 if this subthread is visible and 0 if it is not."
8174 ;; First we get the number of visible children to this thread. This
8175 ;; is done by recursing down the thread using this function, so this
8176 ;; will really go down to a leaf article first, before slowly
8177 ;; working its way up towards the root.
8179 (let* ((max-lisp-eval-depth 5000)
8182 (apply '+ (mapcar 'gnus-summary-limit-children
8185 (number (mail-header-number (car thread)))
8188 (not (memq number gnus-newsgroup-marked))
8190 ;; If this article is dormant and has absolutely no visible
8191 ;; children, then this article isn't visible.
8192 (and (memq number gnus-newsgroup-dormant)
8194 ;; If this is "fetch-old-headered" and there is no
8195 ;; visible children, then we don't want this article.
8196 (and (or (eq gnus-fetch-old-headers 'some)
8197 (numberp gnus-fetch-old-headers))
8198 (gnus-summary-article-ancient-p number)
8200 ;; If this is "fetch-old-headered" and `invisible', then
8201 ;; we don't want this article.
8202 (and (eq gnus-fetch-old-headers 'invisible)
8203 (gnus-summary-article-ancient-p number))
8204 ;; If this is a sparsely inserted article with no children,
8205 ;; we don't want it.
8206 (and (eq gnus-build-sparse-threads 'some)
8207 (gnus-summary-article-sparse-p number)
8209 ;; If we use expunging, and this article is really
8210 ;; low-scored, then we don't want this article.
8211 (when (and gnus-summary-expunge-below
8213 (or (cdr (assq number gnus-newsgroup-scored))
8214 gnus-summary-default-score))
8215 gnus-summary-expunge-below))
8216 ;; We increase the expunge-tally here, but that has
8217 ;; nothing to do with the limits, really.
8218 (incf gnus-newsgroup-expunged-tally)
8219 ;; We also mark as read here, if that's wanted.
8220 (when (and gnus-summary-mark-below
8221 (< score gnus-summary-mark-below))
8222 (setq gnus-newsgroup-unreads
8223 (delq number gnus-newsgroup-unreads))
8224 (if gnus-newsgroup-auto-expire
8225 (push number gnus-newsgroup-expirable)
8226 (push (cons number gnus-low-score-mark)
8227 gnus-newsgroup-reads)))
8229 ;; Do the `display' group parameter.
8230 (and gnus-newsgroup-display
8231 (not (funcall gnus-newsgroup-display)))
8232 ;; Check NoCeM things.
8233 (when (and gnus-use-nocem
8234 (gnus-nocem-unwanted-article-p
8235 (mail-header-id (car thread))))
8236 (setq gnus-newsgroup-unreads
8237 (delq number gnus-newsgroup-unreads))
8239 ;; Nope, invisible article.
8241 ;; Ok, this article is to be visible, so we add it to the limit
8243 (push number gnus-newsgroup-limit)
8246 (defun gnus-expunge-thread (thread)
8247 "Mark all articles in THREAD as read."
8248 (let* ((number (mail-header-number (car thread))))
8249 (incf gnus-newsgroup-expunged-tally)
8250 ;; We also mark as read here, if that's wanted.
8251 (setq gnus-newsgroup-unreads
8252 (delq number gnus-newsgroup-unreads))
8253 (if gnus-newsgroup-auto-expire
8254 (push number gnus-newsgroup-expirable)
8255 (push (cons number gnus-low-score-mark)
8256 gnus-newsgroup-reads)))
8257 ;; Go recursively through all subthreads.
8258 (mapcar 'gnus-expunge-thread (cdr thread)))
8260 ;; Summary article oriented commands
8262 (defun gnus-summary-refer-parent-article (n)
8263 "Refer parent article N times.
8264 If N is negative, go to ancestor -N instead.
8265 The difference between N and the number of articles fetched is returned."
8269 (when (not (natnump n))
8274 (setq header (gnus-summary-article-header))
8275 (if (and (eq (mail-header-number header)
8276 (cdr gnus-article-current))
8277 (equal gnus-newsgroup-name
8278 (car gnus-article-current)))
8279 ;; If we try to find the parent of the currently
8280 ;; displayed article, then we take a look at the actual
8281 ;; References header, since this is slightly more
8282 ;; reliable than the References field we got from the
8285 (set-buffer gnus-original-article-buffer)
8286 (nnheader-narrow-to-headers)
8287 (unless (setq ref (message-fetch-field "references"))
8288 (when (setq ref (message-fetch-field "in-reply-to"))
8289 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8292 ;; It's not the current article, so we take a bet on
8293 ;; the value we got from the server.
8294 (mail-header-references header)))
8296 (not (equal ref "")))
8297 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8298 (gnus-message 1 "Couldn't find parent"))
8299 (gnus-message 1 "No references in article %d"
8300 (gnus-summary-article-number))
8303 (gnus-summary-position-point)
8306 (defun gnus-summary-refer-references ()
8307 "Fetch all articles mentioned in the References header.
8308 Return the number of articles fetched."
8310 (let ((ref (mail-header-references (gnus-summary-article-header)))
8311 (current (gnus-summary-article-number))
8315 (error "No References in the current article")
8316 ;; For each Message-ID in the References header...
8317 (while (string-match "<[^>]*>" ref)
8319 ;; ... fetch that article.
8320 (gnus-summary-refer-article
8321 (prog1 (match-string 0 ref)
8322 (setq ref (substring ref (match-end 0))))))
8323 (gnus-summary-goto-subject current)
8324 (gnus-summary-position-point)
8327 (defun gnus-summary-refer-thread (&optional limit)
8328 "Fetch all articles in the current thread.
8329 If LIMIT (the numerical prefix), fetch that many old headers instead
8330 of what's specified by the `gnus-refer-thread-limit' variable."
8332 (let ((id (mail-header-id (gnus-summary-article-header)))
8333 (limit (if limit (prefix-numeric-value limit)
8334 gnus-refer-thread-limit)))
8335 (unless (eq gnus-fetch-old-headers 'invisible)
8336 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8337 ;; Retrieve the headers and read them in.
8338 (if (eq (if (numberp limit)
8339 (gnus-retrieve-headers
8341 (+ (mail-header-number
8342 (gnus-summary-article-header))
8344 gnus-newsgroup-end))
8345 gnus-newsgroup-name (* limit 2))
8346 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8348 (gnus-retrieve-headers (list gnus-newsgroup-end)
8349 gnus-newsgroup-name limit))
8351 (gnus-build-all-threads)
8352 (error "Can't fetch thread from back ends that don't support NOV"))
8353 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8354 (gnus-summary-limit-include-thread id)))
8356 (defun gnus-summary-refer-article (message-id)
8357 "Fetch an article specified by MESSAGE-ID."
8358 (interactive "sMessage-ID: ")
8359 (when (and (stringp message-id)
8360 (not (zerop (length message-id))))
8361 (setq message-id (gnus-replace-in-string message-id " " ""))
8362 ;; Construct the correct Message-ID if necessary.
8363 ;; Suggested by tale@pawl.rpi.edu.
8364 (unless (string-match "^<" message-id)
8365 (setq message-id (concat "<" message-id)))
8366 (unless (string-match ">$" message-id)
8367 (setq message-id (concat message-id ">")))
8368 ;; People often post MIDs from URLs, so unhex it:
8369 (unless (string-match "@" message-id)
8370 (setq message-id (gnus-url-unhex-string message-id)))
8371 (let* ((header (gnus-id-to-header message-id))
8373 (gnus-summary-article-sparse-p
8374 (mail-header-number header))
8375 (memq (mail-header-number header)
8376 gnus-newsgroup-limit)))
8379 ;; If the article is present in the buffer we just go to it.
8381 (or (not (gnus-summary-article-sparse-p
8382 (mail-header-number header)))
8385 (gnus-summary-goto-article
8386 (mail-header-number header) nil t)
8388 (gnus-summary-update-article (mail-header-number header)))))
8390 ;; We fetch the article.
8392 (dolist (gnus-override-method (gnus-refer-article-methods))
8393 (when (and (gnus-check-server gnus-override-method)
8394 ;; Fetch the header,
8395 (setq number (gnus-summary-insert-subject message-id)))
8396 ;; and display the article.
8397 (gnus-summary-select-article nil nil nil number)
8399 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8401 (defun gnus-refer-article-methods ()
8402 "Return a list of referable methods."
8404 ;; No method, so we default to current and native.
8405 ((null gnus-refer-article-method)
8406 (list gnus-current-select-method gnus-select-method))
8408 ((eq 'current gnus-refer-article-method)
8409 (list gnus-current-select-method))
8410 ;; List of select methods.
8411 ((not (and (symbolp (car gnus-refer-article-method))
8412 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8414 (dolist (method gnus-refer-article-method)
8415 (push (if (eq 'current method)
8416 gnus-current-select-method
8420 ;; One single select method.
8422 (list gnus-refer-article-method))))
8424 (defun gnus-summary-edit-parameters ()
8425 "Edit the group parameters of the current group."
8427 (gnus-group-edit-group gnus-newsgroup-name 'params))
8429 (defun gnus-summary-customize-parameters ()
8430 "Customize the group parameters of the current group."
8432 (gnus-group-customize gnus-newsgroup-name))
8434 (defun gnus-summary-enter-digest-group (&optional force)
8435 "Enter an nndoc group based on the current article.
8436 If FORCE, force a digest interpretation. If not, try
8437 to guess what the document format is."
8439 (let ((conf gnus-current-window-configuration))
8440 (save-window-excursion
8442 (let (gnus-article-prepare-hook
8443 gnus-display-mime-function
8445 (gnus-summary-select-article))))
8446 (setq gnus-current-window-configuration conf)
8447 (let* ((name (format "%s-%d"
8448 (gnus-group-prefixed-name
8449 gnus-newsgroup-name (list 'nndoc ""))
8450 (with-current-buffer gnus-summary-buffer
8451 gnus-current-article)))
8452 (ogroup gnus-newsgroup-name)
8453 (params (append (gnus-info-params (gnus-get-info ogroup))
8454 (list (cons 'to-group ogroup))
8455 (list (cons 'parent-group ogroup))
8456 (list (cons 'save-article-group ogroup))))
8457 (case-fold-search t)
8458 (buf (current-buffer))
8461 (set-buffer gnus-original-article-buffer)
8462 ;; Have the digest group inherit the main mail address of
8463 ;; the parent article.
8464 (when (setq to-address (or (gnus-fetch-field "reply-to")
8465 (gnus-fetch-field "from")))
8466 (setq params (append
8467 (list (cons 'to-address
8468 (funcall gnus-decode-encoded-word-function
8470 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8471 (insert-buffer-substring gnus-original-article-buffer)
8472 ;; Remove lines that may lead nndoc to misinterpret the
8475 (goto-char (point-min))
8476 (or (search-forward "\n\n" nil t) (point)))
8477 (goto-char (point-min))
8478 (delete-matching-lines "^Path:\\|^From ")
8481 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8482 (gnus-newsgroup-ephemeral-ignored-charsets
8483 gnus-newsgroup-ignored-charsets))
8484 (gnus-group-read-ephemeral-group
8485 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8487 ,(if force 'mbox 'guess)))
8489 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8491 ;; Make all postings to this group go to the parent group.
8492 (nconc (gnus-info-params (gnus-get-info name))
8494 ;; Couldn't select this doc group.
8495 (switch-to-buffer buf)
8496 (gnus-set-global-variables)
8497 (gnus-configure-windows 'summary)
8498 (gnus-message 3 "Article couldn't be entered?"))
8499 (kill-buffer dig)))))
8501 (defun gnus-summary-read-document (n)
8502 "Open a new group based on the current article(s).
8503 This will allow you to read digests and other similar
8504 documents as newsgroups.
8505 Obeys the standard process/prefix convention."
8507 (let* ((ogroup gnus-newsgroup-name)
8508 (params (append (gnus-info-params (gnus-get-info ogroup))
8509 (list (cons 'to-group ogroup))))
8510 group egroup groups vgroup)
8511 (dolist (article (gnus-summary-work-articles n))
8512 (setq group (format "%s-%d" gnus-newsgroup-name article))
8513 (gnus-summary-remove-process-mark article)
8514 (when (gnus-summary-display-article article)
8517 (insert-buffer-substring gnus-original-article-buffer)
8518 ;; Remove some headers that may lead nndoc to make
8520 (message-narrow-to-head)
8521 (goto-char (point-min))
8522 (delete-matching-lines "^Path:\\|^From ")
8525 (gnus-group-read-ephemeral-group
8526 group `(nndoc ,group (nndoc-address ,(current-buffer))
8527 (nndoc-article-type guess))
8530 ;; Make all postings to this group go to the parent group.
8531 (nconc (gnus-info-params (gnus-get-info egroup))
8533 (push egroup groups))
8534 ;; Couldn't select this doc group.
8535 (gnus-error 3 "Article couldn't be entered"))))))
8536 ;; Now we have selected all the documents.
8539 (error "None of the articles could be interpreted as documents"))
8540 ((gnus-group-read-ephemeral-group
8541 (setq vgroup (format
8542 "nnvirtual:%s-%s" gnus-newsgroup-name
8543 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8544 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8546 (cons (current-buffer) 'summary)))
8548 (error "Couldn't select virtual nndoc group")))))
8550 (defun gnus-summary-isearch-article (&optional regexp-p)
8551 "Do incremental search forward on the current article.
8552 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8554 (let* ((gnus-inhibit-treatment t)
8555 (old (gnus-summary-select-article)))
8556 (gnus-configure-windows 'article)
8557 (gnus-eval-in-buffer-window gnus-article-buffer
8561 (gnus-article-show-all-headers))
8562 (goto-char (point-min))
8563 (isearch-forward regexp-p)))))
8565 (defun gnus-summary-search-article-forward (regexp &optional backward)
8566 "Search for an article containing REGEXP forward.
8567 If BACKWARD, search backward instead."
8570 (format "Search article %s (regexp%s): "
8571 (if current-prefix-arg "backward" "forward")
8572 (if gnus-last-search-regexp
8573 (concat ", default " gnus-last-search-regexp)
8575 current-prefix-arg))
8576 (if (string-equal regexp "")
8577 (setq regexp (or gnus-last-search-regexp ""))
8578 (setq gnus-last-search-regexp regexp)
8579 (setq gnus-article-before-search gnus-current-article))
8580 ;; Intentionally set gnus-last-article.
8581 (setq gnus-last-article gnus-article-before-search)
8582 (let ((gnus-last-article gnus-last-article))
8583 (if (gnus-summary-search-article regexp backward)
8584 (gnus-summary-show-thread)
8585 (signal 'search-failed (list regexp)))))
8587 (defun gnus-summary-search-article-backward (regexp)
8588 "Search for an article containing REGEXP backward."
8591 (format "Search article backward (regexp%s): "
8592 (if gnus-last-search-regexp
8593 (concat ", default " gnus-last-search-regexp)
8595 (gnus-summary-search-article-forward regexp 'backward))
8598 (defmacro gnus-summary-search-article-position-point (regexp backward)
8599 "Dehighlight the last matched text and goto the beginning position."
8600 (` (if (and gnus-summary-search-article-matched-data
8601 (let ((text (caddr gnus-summary-search-article-matched-data))
8602 (inhibit-read-only t)
8605 (goto-char (car gnus-summary-search-article-matched-data))
8606 (cadr gnus-summary-search-article-matched-data))
8608 (string-match (, regexp) text)))
8609 (if (, backward) (beginning-of-line) (end-of-line))
8610 (goto-char (if (, backward) (point-max) (point-min))))))
8612 (defmacro gnus-summary-search-article-highlight-goto-x-face (opoint)
8613 "Place point where X-Face image is displayed."
8614 (if (featurep 'xemacs)
8615 (` (let ((end (if (search-forward "\n\n" nil t)
8616 (goto-char (1- (point)))
8619 (or (search-backward "\n\n" nil t) (goto-char (point-min)))
8620 (unless (and (re-search-forward "^From:" end t)
8621 (setq extent (extent-at (point)))
8622 (extent-begin-glyph extent))
8623 (goto-char (, opoint)))))
8624 (` (let ((end (if (search-forward "\n\n" nil t)
8625 (goto-char (1- (point)))
8627 (start (or (search-backward "\n\n" nil t) (point-min))))
8629 (or (text-property-any start end 'x-face-image t);; x-face-e21
8632 (defmacro gnus-summary-search-article-highlight-matched-text
8633 (backward treated x-face)
8634 "Highlight matched text in the function `gnus-summary-search-article'."
8635 (` (let ((start (set-marker (make-marker) (match-beginning 0)))
8636 (end (set-marker (make-marker) (match-end 0)))
8637 (inhibit-read-only t)
8641 (let ((items (mapcar 'car gnus-treatment-function-alist)))
8643 (lambda (item) (setq items (delq item items)))
8644 '(gnus-treat-buttonize
8645 gnus-treat-fill-article
8646 gnus-treat-fill-long-lines
8647 gnus-treat-emphasize
8648 gnus-treat-highlight-headers
8649 gnus-treat-highlight-citation
8650 gnus-treat-highlight-signature
8651 gnus-treat-overstrike
8652 gnus-treat-display-x-face
8653 gnus-treat-buttonize-head
8654 gnus-treat-decode-article-as-default-mime-charset))
8656 (gnus-treat-display-x-face
8657 (when (, x-face) gnus-treat-display-x-face)))
8658 (gnus-article-prepare-mime-display)))
8659 (goto-char (if (, backward) start end))
8661 (gnus-summary-search-article-highlight-goto-x-face (point)))
8662 (setq gnus-summary-search-article-matched-data
8663 (list start end (buffer-substring start end)))
8664 (unless (eq start end);; matched text has been deleted. :-<
8665 (put-text-property start end 'face
8666 (or (find-face 'isearch)
8667 'secondary-selection))))))
8670 (defun gnus-summary-search-article (regexp &optional backward)
8671 "Search for an article containing REGEXP.
8672 Optional argument BACKWARD means do search for backward.
8673 `gnus-select-article-hook' is not called during the search."
8674 ;; We have to require this here to make sure that the following
8675 ;; dynamic binding isn't shadowed by autoloading.
8676 (require 'gnus-async)
8678 (let ((gnus-select-article-hook nil) ;Disable hook.
8679 (gnus-article-prepare-hook nil)
8680 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8681 (gnus-use-article-prefetch nil)
8682 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8683 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8685 (gnus-keep-backlog nil)
8686 (gnus-break-pages nil)
8687 (gnus-summary-display-arrow nil)
8688 (gnus-updated-mode-lines nil)
8689 (gnus-auto-center-summary nil)
8690 (sum (current-buffer))
8693 (gnus-save-hidden-threads
8694 (static-if (featurep 'xemacs)
8695 (let ((gnus-inhibit-treatment t))
8696 (setq treated (eq 'old (gnus-summary-select-article)))
8698 (not (and (gnus-buffer-live-p gnus-article-buffer)
8699 (window-live-p (get-buffer-window
8700 gnus-article-buffer t)))))
8701 (gnus-summary-select-article nil t)
8702 (setq treated nil)))
8703 (let ((gnus-inhibit-treatment t))
8704 (setq treated (eq 'old (gnus-summary-select-article)))
8707 (and (gnus-buffer-live-p gnus-article-buffer)
8708 (window-live-p (get-buffer-window
8709 gnus-article-buffer t))
8710 (or (not (string-match "^\\^X-Face:" regexp))
8711 (with-current-buffer gnus-article-buffer
8712 gnus-summary-search-article-matched-data)))))
8713 (gnus-summary-select-article nil t)
8714 (setq treated nil))))
8715 (set-buffer gnus-article-buffer)
8719 (gnus-article-show-all-headers)
8720 (gnus-summary-search-article-position-point regexp backward))
8721 (goto-char (if backward (point-max) (point-min))))
8723 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8725 (re-search-backward regexp nil t)
8726 (re-search-forward regexp nil t))
8727 ;; We found the regexp.
8729 (gnus-summary-search-article-highlight-matched-text
8730 backward treated (string-match "^\\^X-Face:" regexp))
8733 (/ (- 2 (window-height
8734 (get-buffer-window gnus-article-buffer t)))
8737 (get-buffer-window (current-buffer))
8740 (setq point (point)))
8741 ;; We didn't find it, so we go to the next article.
8744 (while (eq found 'not)
8745 (if (not (if backward (gnus-summary-find-prev)
8746 (gnus-summary-find-next)))
8747 ;; No more articles.
8749 ;; Select the next article and adjust point.
8750 (unless (gnus-summary-article-sparse-p
8751 (gnus-summary-article-number))
8753 (let ((gnus-inhibit-treatment t))
8754 (gnus-summary-select-article))
8756 (set-buffer gnus-article-buffer)
8758 (goto-char (if backward (point-max) (point-min))))))))
8759 (gnus-message 7 ""))
8760 ;; Return whether we found the regexp.
8761 (when (eq found 'found)
8763 (gnus-summary-show-thread)
8764 (gnus-summary-goto-subject gnus-current-article)
8765 (gnus-summary-position-point)
8768 (defun gnus-find-matching-articles (header regexp)
8769 "Return a list of all articles that match REGEXP on HEADER.
8770 This search includes all articles in the current group that Gnus has
8771 fetched headers for, whether they are displayed or not."
8772 (let ((articles nil)
8773 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8774 (case-fold-search t))
8775 (dolist (header gnus-newsgroup-headers)
8776 (when (string-match regexp (funcall func header))
8777 (push (mail-header-number header) articles)))
8778 (nreverse articles)))
8780 (defun gnus-summary-find-matching (header regexp &optional backward unread
8781 not-case-fold not-matching)
8782 "Return a list of all articles that match REGEXP on HEADER.
8783 The search stars on the current article and goes forwards unless
8784 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8785 If UNREAD is non-nil, only unread articles will
8786 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8787 in the comparisons. If NOT-MATCHING, return a list of all articles that
8788 not match REGEXP on HEADER."
8789 (let ((case-fold-search (not not-case-fold))
8792 (if (eq (car header) 'extra)
8795 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8797 (error "%s is an invalid header" header))
8798 (unless (fboundp (intern (concat "mail-header-" header)))
8799 (error "%s is not a valid header" header))
8800 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8801 (dolist (d (if (eq backward 'all)
8803 (gnus-data-find-list
8804 (gnus-summary-article-number)
8805 (gnus-data-list backward))))
8806 (when (and (or (not unread) ; We want all articles...
8807 (gnus-data-unread-p d)) ; Or just unreads.
8808 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8812 (funcall func (gnus-data-header d))))
8813 (string-match regexp
8814 (funcall func (gnus-data-header d)))))
8815 (push (gnus-data-number d) articles))) ; Success!
8816 (nreverse articles)))
8818 (defun gnus-summary-execute-command (header regexp command &optional backward)
8819 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8820 If HEADER is an empty string (or nil), the match is done on the entire
8821 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8823 (list (let ((completion-ignore-case t))
8826 (mapcar (lambda (header) (list (format "%s" header)))
8828 '("Number" "Subject" "From" "Lines" "Date"
8829 "Message-ID" "Xref" "References" "Body")
8830 gnus-extra-headers))
8831 nil 'require-match))
8832 (read-string "Regexp: ")
8833 (read-key-sequence "Command: ")
8834 current-prefix-arg))
8835 (when (equal header "Body")
8837 ;; Hidden thread subtrees must be searched as well.
8838 (gnus-summary-show-all-threads)
8839 ;; We don't want to change current point nor window configuration.
8841 (save-window-excursion
8843 gnus-treat-strip-trailing-blank-lines
8844 gnus-treat-strip-leading-blank-lines
8845 gnus-treat-strip-multiple-blank-lines
8846 gnus-treat-hide-boring-headers
8847 gnus-treat-fold-newsgroups
8848 gnus-article-prepare-hook)
8849 (gnus-message 6 "Executing %s..." (key-description command))
8850 ;; We'd like to execute COMMAND interactively so as to give arguments.
8851 (gnus-execute header regexp
8852 `(call-interactively ',(key-binding command))
8854 (gnus-message 6 "Executing %s...done" (key-description command))))))
8856 (defun gnus-summary-beginning-of-article ()
8857 "Scroll the article back to the beginning."
8859 (gnus-summary-select-article)
8860 (gnus-configure-windows 'article)
8861 (gnus-eval-in-buffer-window gnus-article-buffer
8863 (goto-char (point-min))
8864 (when gnus-break-pages
8865 (gnus-narrow-to-page))))
8867 (defun gnus-summary-end-of-article ()
8868 "Scroll to the end of the article."
8870 (gnus-summary-select-article)
8871 (gnus-configure-windows 'article)
8872 (gnus-eval-in-buffer-window gnus-article-buffer
8874 (goto-char (point-max))
8876 (when gnus-break-pages
8877 (when (re-search-backward page-delimiter nil t)
8878 (narrow-to-region (match-end 0) (point-max)))
8879 (gnus-narrow-to-page))))
8881 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8882 "Truncate to LEN and quote all \"(\"'s in STRING."
8883 (gnus-replace-in-string (if (and len (> (length string) len))
8884 (substring string 0 len)
8888 (defun gnus-summary-print-article (&optional filename n)
8889 "Generate and print a PostScript image of the process-marked (mail) articles.
8891 If used interactively, print the current article if none are
8892 process-marked. With prefix arg, prompt the user for the name of the
8895 When used from Lisp, accept two optional args FILENAME and N. N means
8896 to print the next N articles. If N is negative, print the N previous
8897 articles. If N is nil and articles have been marked with the process
8898 mark, print these instead.
8900 If the optional first argument FILENAME is nil, send the image to the
8901 printer. If FILENAME is a string, save the PostScript image in a file with
8902 that name. If FILENAME is a number, prompt the user for the name of the file
8904 (interactive (list (ps-print-preprint current-prefix-arg)))
8905 (dolist (article (gnus-summary-work-articles n))
8906 (gnus-summary-select-article nil nil 'pseudo article)
8907 (gnus-eval-in-buffer-window gnus-article-buffer
8908 (gnus-print-buffer))
8909 (gnus-summary-remove-process-mark article))
8910 (ps-despool filename))
8912 (defun gnus-print-buffer ()
8913 (let ((buffer (generate-new-buffer " *print*")))
8916 (copy-to-buffer buffer (point-min) (point-max))
8918 (gnus-remove-text-with-property 'gnus-decoration)
8919 (when (gnus-visual-p 'article-highlight 'highlight)
8920 ;; Copy-to-buffer doesn't copy overlay. So redo
8922 (let ((gnus-article-buffer buffer))
8923 (gnus-article-highlight-citation t)
8924 (gnus-article-highlight-signature)
8925 (gnus-article-emphasize)
8926 (gnus-article-delete-invisible-text)))
8927 (let ((ps-left-header
8930 (gnus-summary-print-truncate-and-quote
8931 (mail-header-subject gnus-current-headers)
8934 (gnus-summary-print-truncate-and-quote
8935 (mail-header-from gnus-current-headers)
8939 "/pagenumberstring load"
8941 (mail-header-date gnus-current-headers) ")"))))
8942 (gnus-run-hooks 'gnus-ps-print-hook)
8945 (ps-spool-buffer-with-faces)
8946 (ps-spool-buffer)))))
8947 (kill-buffer buffer))))
8949 (defun gnus-summary-show-article (&optional arg)
8950 "Force redisplaying of the current article.
8951 If ARG (the prefix) is a number, show the article with the charset
8952 defined in `gnus-summary-show-article-charset-alist', or the charset
8954 If ARG (the prefix) is non-nil and not a number, show the raw article
8955 without any article massaging functions being run. Normally, the key
8956 strokes are `C-u g'."
8960 (gnus-summary-show-article t)
8961 (let* ((gnus-newsgroup-charset
8962 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8963 (mm-read-coding-system
8964 "View as charset: " ;; actually it is coding system.
8965 (with-current-buffer gnus-article-buffer
8966 (mm-detect-coding-region (point) (point-max))))))
8967 (default-mime-charset gnus-newsgroup-charset)
8968 (gnus-newsgroup-ignored-charsets 'gnus-all))
8969 (gnus-summary-select-article nil 'force)
8970 (let ((deps gnus-newsgroup-dependencies)
8973 (set-buffer gnus-original-article-buffer)
8975 (message-narrow-to-head)
8976 (setq head (buffer-string))
8977 (goto-char (point-min))
8978 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8979 (goto-char (point-max))
8981 (setq lines (1- (count-lines (point) (point-max))))))
8983 (insert (format "211 %d Article retrieved.\n"
8984 (cdr gnus-article-current)))
8986 (if lines (insert (format "Lines: %d\n" lines)))
8988 (let ((nntp-server-buffer (current-buffer)))
8989 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8990 (gnus-data-set-header
8991 (gnus-data-find (cdr gnus-article-current))
8993 (gnus-summary-update-article-line
8994 (cdr gnus-article-current) header)
8995 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8996 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8998 ;; Select the article the normal way.
8999 (gnus-summary-select-article nil 'force))
9001 ;; We have to require this here to make sure that the following
9002 ;; dynamic binding isn't shadowed by autoloading.
9003 (require 'gnus-async)
9005 ;; Bind the article treatment functions to nil.
9006 (let ((gnus-have-all-headers t)
9007 gnus-article-prepare-hook
9008 gnus-article-decode-hook
9011 (gnus-inhibit-treatment t))
9012 (gnus-summary-select-article nil 'force))))
9013 (gnus-summary-goto-subject gnus-current-article)
9014 (gnus-summary-position-point))
9016 (defun gnus-summary-show-raw-article ()
9017 "Show the raw article without any article massaging functions being run."
9019 (gnus-summary-show-article t))
9021 (defun gnus-summary-verbose-headers (&optional arg)
9022 "Toggle permanent full header display.
9023 If ARG is a positive number, turn header display on.
9024 If ARG is a negative number, turn header display off."
9026 (setq gnus-show-all-headers
9027 (cond ((or (not (numberp arg))
9029 (not gnus-show-all-headers))
9032 (gnus-summary-show-article))
9034 (defun gnus-summary-toggle-header (&optional arg)
9035 "Show the headers if they are hidden, or hide them if they are shown.
9036 If ARG is a positive number, show the entire header.
9037 If ARG is a negative number, hide the unwanted header lines."
9039 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9040 (get-buffer-window gnus-article-buffer t))))
9041 (with-current-buffer gnus-article-buffer
9043 (article-narrow-to-head)
9044 (let* ((buffer-read-only nil)
9045 (inhibit-point-motion-hooks t)
9046 (hidden (if (numberp arg)
9048 (or (not (looking-at "[^ \t\n]+:"))
9049 (gnus-article-hidden-text-p 'headers))))
9051 (delete-region (point-min) (point-max))
9052 (with-current-buffer gnus-original-article-buffer
9053 (goto-char (setq s (point-min)))
9054 (setq e (if (search-forward "\n\n" nil t)
9057 (insert-buffer-substring gnus-original-article-buffer s e)
9058 ;; In T-gnus, gnus-article-decode-hook doesn't contain
9059 ;; article-decode-encoded-words by default.
9060 (article-decode-encoded-words)
9061 (run-hooks 'gnus-article-decode-hook)
9063 (let ((gnus-treat-hide-headers nil)
9064 (gnus-treat-hide-boring-headers nil))
9065 (gnus-delete-wash-type 'headers)
9066 (gnus-treat-article 'head))
9067 (gnus-treat-article 'head))
9070 (set-window-start window (goto-char (point-min))))
9071 (if gnus-break-pages
9072 (gnus-narrow-to-page)
9073 (when (gnus-visual-p 'page-marker)
9074 (let ((buffer-read-only nil))
9075 (gnus-remove-text-with-property 'gnus-prev)
9076 (gnus-remove-text-with-property 'gnus-next))))
9077 (gnus-set-mode-line 'article)))))
9079 (defun gnus-summary-show-all-headers ()
9080 "Make all header lines visible."
9082 (gnus-summary-toggle-header 1))
9084 (defun gnus-summary-toggle-mime (&optional arg)
9085 "Toggle MIME processing.
9086 If ARG is a positive number, turn MIME processing on."
9088 (setq gnus-show-mime
9090 (not gnus-show-mime)
9091 (> (prefix-numeric-value arg) 0)))
9092 (gnus-summary-select-article t 'force))
9094 (defun gnus-summary-caesar-message (&optional arg)
9095 "Caesar rotate the current article by 13.
9096 The numerical prefix specifies how many places to rotate each letter
9099 (gnus-summary-select-article)
9100 (let ((mail-header-separator ""))
9101 (gnus-eval-in-buffer-window gnus-article-buffer
9104 (let ((start (window-start))
9106 (message-caesar-buffer-body arg)
9107 (set-window-start (get-buffer-window (current-buffer)) start)))))
9108 ;; Create buttons and stuff...
9109 (gnus-treat-article nil))
9111 (defun gnus-summary-idna-message (&optional arg)
9112 "Decode IDNA encoded domain names in the current articles.
9113 IDNA encoded domain names looks like `xn--bar'. If a string
9114 remain unencoded after running this function, it is likely an
9115 invalid IDNA string (`xn--bar' is invalid).
9117 You must have GNU Libidn (`http://www.gnu.org/software/libidn/')
9118 installed for this command to work."
9120 (if (not (and (condition-case nil (require 'idna)
9122 (mm-coding-system-p 'utf-8)
9123 (executable-find (symbol-value 'idna-program))))
9125 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9126 (gnus-summary-select-article)
9127 (let ((mail-header-separator ""))
9128 (gnus-eval-in-buffer-window gnus-article-buffer
9131 (let ((start (window-start))
9133 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9134 (replace-match (idna-to-unicode (match-string 1))))
9135 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9137 (autoload 'unmorse-region "morse"
9138 "Convert morse coded text in region to ordinary ASCII text."
9141 (defun gnus-summary-morse-message (&optional arg)
9142 "Morse decode the current article."
9144 (gnus-summary-select-article)
9145 (let ((mail-header-separator ""))
9146 (gnus-eval-in-buffer-window gnus-article-buffer
9150 (let ((pos (window-start))
9152 (goto-char (point-min))
9153 (when (message-goto-body)
9154 (gnus-narrow-to-body))
9155 (goto-char (point-min))
9156 (while (search-forward "·" (point-max) t)
9157 (replace-match "."))
9158 (unmorse-region (point-min) (point-max))
9160 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9162 (defun gnus-summary-stop-page-breaking ()
9163 "Stop page breaking in the current article."
9165 (gnus-summary-select-article)
9166 (gnus-eval-in-buffer-window gnus-article-buffer
9168 (when (gnus-visual-p 'page-marker)
9169 (let ((buffer-read-only nil))
9170 (gnus-remove-text-with-property 'gnus-prev)
9171 (gnus-remove-text-with-property 'gnus-next))
9172 (setq gnus-page-broken nil))))
9174 (defun gnus-summary-move-article (&optional n to-newsgroup
9175 select-method action)
9176 "Move the current article to a different newsgroup.
9177 If N is a positive number, move the N next articles.
9178 If N is a negative number, move the N previous articles.
9179 If N is nil and any articles have been marked with the process mark,
9180 move those articles instead.
9181 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9182 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9183 re-spool using this method.
9185 When called interactively with TO-NEWSGROUP being nil, the value of
9186 the variable `gnus-move-split-methods' is used for finding a default
9187 for the target newsgroup.
9189 For this function to work, both the current newsgroup and the
9190 newsgroup that you want to move to have to support the `request-move'
9191 and `request-accept' functions.
9193 ACTION can be either `move' (the default), `crosspost' or `copy'."
9196 (setq action 'move))
9197 ;; Check whether the source group supports the required functions.
9198 (cond ((and (eq action 'move)
9199 (not (gnus-check-backend-function
9200 'request-move-article gnus-newsgroup-name)))
9201 (error "The current group does not support article moving"))
9202 ((and (eq action 'crosspost)
9203 (not (gnus-check-backend-function
9204 'request-replace-article gnus-newsgroup-name)))
9205 (error "The current group does not support article editing")))
9206 (let ((articles (gnus-summary-work-articles n))
9207 (prefix (if (gnus-check-backend-function
9208 'request-move-article gnus-newsgroup-name)
9209 (funcall gnus-move-group-prefix-function
9210 gnus-newsgroup-name)
9212 (names '((move "Move" "Moving")
9213 (copy "Copy" "Copying")
9214 (crosspost "Crosspost" "Crossposting")))
9215 (copy-buf (save-excursion
9216 (nnheader-set-temp-buffer " *copy article*")))
9217 art-group to-method new-xref article to-groups articles-to-update-marks)
9218 (unless (assq action names)
9219 (error "Unknown action %s" action))
9220 ;; Read the newsgroup name.
9221 (when (and (not to-newsgroup)
9222 (not select-method))
9223 (if (and gnus-move-split-methods
9225 (and (memq gnus-current-article articles)
9226 (gnus-buffer-live-p gnus-original-article-buffer))))
9227 ;; When `gnus-move-split-methods' is non-nil, we have to
9228 ;; select an article to give `gnus-read-move-group-name' an
9229 ;; opportunity to suggest an appropriate default. However,
9230 ;; we needn't render or mark the article.
9231 (let ((gnus-display-mime-function nil)
9232 (gnus-article-prepare-hook nil)
9233 (gnus-mark-article-hook nil))
9234 (gnus-summary-select-article nil nil nil (car articles))))
9236 (gnus-read-move-group-name
9237 (cadr (assq action names))
9238 (symbol-value (intern (format "gnus-current-%s-group" action)))
9240 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
9241 (setq to-method (or select-method
9242 (gnus-server-to-method
9243 (gnus-group-method to-newsgroup))))
9244 ;; Check the method we are to move this article to...
9245 (unless (gnus-check-backend-function
9246 'request-accept-article (car to-method))
9247 (error "%s does not support article copying" (car to-method)))
9248 (unless (gnus-check-server to-method)
9249 (error "Can't open server %s" (car to-method)))
9250 (gnus-message 6 "%s to %s: %s..."
9251 (caddr (assq action names))
9252 (or (car select-method) to-newsgroup) articles)
9254 (setq article (pop articles))
9258 ;; Move the article.
9260 ;; Remove this article from future suppression.
9261 (gnus-dup-unsuppress-article article)
9262 (let* ((from-method (gnus-find-method-for-group
9263 gnus-newsgroup-name))
9264 (to-method (gnus-find-method-for-group
9266 (move-is-internal (gnus-method-equal from-method to-method)))
9267 (gnus-request-move-article
9268 article ; Article to move
9269 gnus-newsgroup-name ; From newsgroup
9270 (nth 1 (gnus-find-method-for-group
9271 gnus-newsgroup-name)) ; Server
9272 (list 'gnus-request-accept-article
9273 to-newsgroup (list 'quote select-method)
9274 (not articles) t) ; Accept form
9275 (not articles) ; Only save nov last time
9276 move-is-internal))) ; is this move internal?
9277 ;; Copy the article.
9280 (set-buffer copy-buf)
9281 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9283 (nnheader-narrow-to-headers)
9284 (dolist (hdr gnus-copy-article-ignored-headers)
9285 (message-remove-header hdr t)))
9286 (gnus-request-accept-article
9287 to-newsgroup select-method (not articles) t))))
9288 ;; Crosspost the article.
9289 ((eq action 'crosspost)
9290 (let ((xref (message-tokenize-header
9291 (mail-header-xref (gnus-summary-article-header article))
9293 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9294 ":" (number-to-string article)))
9296 (setq xref (list (system-name))))
9299 (mapconcat 'identity
9300 (delete "Xref:" (delete new-xref xref))
9304 (set-buffer copy-buf)
9305 ;; First put the article in the destination group.
9306 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9307 (when (consp (setq art-group
9308 (gnus-request-accept-article
9309 to-newsgroup select-method (not articles))))
9310 (setq new-xref (concat new-xref " " (car art-group)
9312 (number-to-string (cdr art-group))))
9313 ;; Now we have the new Xrefs header, so we insert
9314 ;; it and replace the new article.
9315 (nnheader-replace-header "Xref" new-xref)
9316 (gnus-request-replace-article
9317 (cdr art-group) to-newsgroup (current-buffer))
9321 (gnus-message 1 "Couldn't %s article %s: %s"
9322 (cadr (assq action names)) article
9323 (nnheader-get-report (car to-method))))
9324 ((eq art-group 'junk)
9325 (when (eq action 'move)
9326 (gnus-summary-mark-article article gnus-canceled-mark)
9327 (gnus-message 4 "Deleted article %s" article)
9328 ;; run the delete hook
9329 (run-hook-with-args 'gnus-summary-article-delete-hook
9332 (assoc article (gnus-data-list nil)))
9333 gnus-newsgroup-name nil
9336 (let* ((pto-group (gnus-group-prefixed-name
9337 (car art-group) to-method))
9338 (info (gnus-get-info pto-group))
9339 (to-group (gnus-info-group info))
9341 ;; Update the group that has been moved to.
9343 (memq action '(move copy)))
9344 (unless (member to-group to-groups)
9345 (push to-group to-groups))
9347 (unless (memq article gnus-newsgroup-unreads)
9348 (push 'read to-marks)
9350 info (gnus-add-to-range (gnus-info-read info)
9351 (list (cdr art-group)))))
9353 ;; See whether the article is to be put in the cache.
9354 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9355 gnus-article-mark-lists
9356 (delete '(expirable . expire)
9357 (copy-sequence gnus-article-mark-lists))))
9358 (to-article (cdr art-group)))
9360 ;; Enter the article into the cache in the new group,
9361 ;; if that is required.
9362 (when gnus-use-cache
9363 (gnus-cache-possibly-enter-article
9365 (let ((header (copy-sequence
9366 (gnus-summary-article-header article))))
9367 (mail-header-set-number header to-article)
9369 (memq article gnus-newsgroup-marked)
9370 (memq article gnus-newsgroup-dormant)
9371 (memq article gnus-newsgroup-unreads)))
9373 (when gnus-preserve-marks
9374 ;; Copy any marks over to the new group.
9375 (when (and (equal to-group gnus-newsgroup-name)
9376 (not (memq article gnus-newsgroup-unreads)))
9377 ;; Mark this article as read in this group.
9378 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9379 (setcdr (gnus-active to-group) to-article)
9380 (setcdr gnus-newsgroup-active to-article))
9383 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9384 (when (memq article (symbol-value
9385 (intern (format "gnus-newsgroup-%s"
9387 (push (cdar marks) to-marks)
9388 ;; If the other group is the same as this group,
9389 ;; then we have to add the mark to the list.
9390 (when (equal to-group gnus-newsgroup-name)
9391 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9394 (intern (format "gnus-newsgroup-%s"
9396 ;; Copy the marks to other group.
9397 (gnus-add-marked-articles
9398 to-group (cdar marks) (list to-article) info)))
9399 (setq marks (cdr marks)))
9401 (gnus-request-set-mark
9402 to-group (list (list (list to-article) 'add to-marks))))
9405 (concat "(gnus-group-set-info '"
9406 (gnus-prin1-to-string (gnus-get-info to-group))
9409 ;; Update the Xref header in this article to point to
9410 ;; the new crossposted article we have just created.
9411 (when (eq action 'crosspost)
9413 (set-buffer copy-buf)
9414 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9415 (nnheader-replace-header "Xref" new-xref)
9416 (gnus-request-replace-article
9417 article gnus-newsgroup-name (current-buffer))))
9419 ;; run the move/copy/crosspost/respool hook
9420 (run-hook-with-args 'gnus-summary-article-move-hook
9423 (assoc article (gnus-data-list nil)))
9428 ;;;!!!Why is this necessary?
9429 (set-buffer gnus-summary-buffer)
9431 (gnus-summary-goto-subject article)
9432 (when (eq action 'move)
9433 (gnus-summary-mark-article article gnus-canceled-mark))))
9434 (push article articles-to-update-marks))
9436 (apply 'gnus-summary-remove-process-mark articles-to-update-marks)
9437 ;; Re-activate all groups that have been moved to.
9439 (set-buffer gnus-group-buffer)
9440 (let ((gnus-group-marked to-groups))
9441 (gnus-group-get-new-news-this-group nil t)))
9443 (gnus-kill-buffer copy-buf)
9444 (gnus-summary-position-point)
9445 (gnus-set-mode-line 'summary)))
9447 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9448 "Copy the current article to some other group.
9449 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9450 When called interactively, if TO-NEWSGROUP is nil, use the value of
9451 the variable `gnus-move-split-methods' for finding a default target
9453 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9454 re-spool using this method."
9456 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9458 (defun gnus-summary-crosspost-article (&optional n)
9459 "Crosspost the current article to some other group."
9461 (gnus-summary-move-article n nil nil 'crosspost))
9463 (defcustom gnus-summary-respool-default-method nil
9464 "Default method type for respooling an article.
9465 If nil, use to the current newsgroup method."
9467 :group 'gnus-summary-mail)
9469 (defcustom gnus-summary-display-while-building nil
9470 "If non-nil, show and update the summary buffer as it's being built.
9471 If the value is t, update the buffer after every line is inserted. If
9472 the value is an integer (N), update the display every N lines."
9475 :type '(choice (const :tag "off" nil)
9477 (const :tag "frequently" t)))
9479 (defun gnus-summary-respool-article (&optional n method)
9480 "Respool the current article.
9481 The article will be squeezed through the mail spooling process again,
9482 which means that it will be put in some mail newsgroup or other
9483 depending on `nnmail-split-methods'.
9484 If N is a positive number, respool the N next articles.
9485 If N is a negative number, respool the N previous articles.
9486 If N is nil and any articles have been marked with the process mark,
9487 respool those articles instead.
9489 Respooling can be done both from mail groups and \"real\" newsgroups.
9490 In the former case, the articles in question will be moved from the
9491 current group into whatever groups they are destined to. In the
9492 latter case, they will be copied into the relevant groups."
9494 (list current-prefix-arg
9495 (let* ((methods (gnus-methods-using 'respool))
9497 (symbol-name (or gnus-summary-respool-default-method
9498 (car (gnus-find-method-for-group
9499 gnus-newsgroup-name)))))
9501 (gnus-completing-read-with-default
9502 methname "Backend to use when respooling"
9503 methods nil t nil 'gnus-mail-method-history))
9506 ((zerop (length (setq ms (gnus-servers-using-backend
9508 (list (intern method) ""))
9512 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9513 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9516 (error "No method given for respooling"))
9517 (if (assoc (symbol-name
9518 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9519 (gnus-methods-using 'respool))
9520 (gnus-summary-move-article n nil method)
9521 (gnus-summary-copy-article n nil method)))
9523 (defun gnus-summary-import-article (file &optional edit)
9524 "Import an arbitrary file into a mail newsgroup."
9525 (interactive "fImport file: \nP")
9526 (let ((group gnus-newsgroup-name)
9527 (now (current-time))
9528 atts lines group-art)
9529 (unless (gnus-check-backend-function 'request-accept-article group)
9530 (error "%s does not support article importing" group))
9531 (or (file-readable-p file)
9532 (not (file-regular-p file))
9533 (error "Can't read %s" file))
9535 (set-buffer (gnus-get-buffer-create " *import file*"))
9537 (nnheader-insert-file-contents file)
9538 (goto-char (point-min))
9539 (if (nnheader-article-p)
9541 (goto-char (point-min))
9542 (search-forward "\n\n" nil t)
9543 (narrow-to-region (point-min) (1- (point)))
9544 (goto-char (point-min))
9545 (unless (re-search-forward "^date:" nil t)
9546 (goto-char (point-max))
9547 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9548 ;; This doesn't look like an article, so we fudge some headers.
9549 (setq atts (file-attributes file)
9550 lines (count-lines (point-min) (point-max)))
9551 (insert "From: " (read-string "From: ") "\n"
9552 "Subject: " (read-string "Subject: ") "\n"
9553 "Date: " (message-make-date (nth 5 atts)) "\n"
9554 "Message-ID: " (message-make-message-id) "\n"
9555 "Lines: " (int-to-string lines) "\n"
9556 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9557 (setq group-art (gnus-request-accept-article group nil t))
9558 (kill-buffer (current-buffer)))
9559 (setq gnus-newsgroup-active (gnus-activate-group group))
9561 (gnus-summary-goto-article (cdr group-art) nil t)
9563 (gnus-summary-edit-article))))
9565 (defun gnus-summary-create-article ()
9566 "Create an article in a mail newsgroup."
9568 (let ((group gnus-newsgroup-name)
9569 (now (current-time))
9571 (unless (gnus-check-backend-function 'request-accept-article group)
9572 (error "%s does not support article importing" group))
9574 (set-buffer (gnus-get-buffer-create " *import file*"))
9576 (goto-char (point-min))
9577 ;; This doesn't look like an article, so we fudge some headers.
9578 (insert "From: " (read-string "From: ") "\n"
9579 "Subject: " (read-string "Subject: ") "\n"
9580 "Date: " (message-make-date now) "\n"
9581 "Message-ID: " (message-make-message-id) "\n")
9582 (setq group-art (gnus-request-accept-article group nil t))
9583 (kill-buffer (current-buffer)))
9584 (setq gnus-newsgroup-active (gnus-activate-group group))
9586 (gnus-summary-goto-article (cdr group-art) nil t)
9587 (gnus-summary-edit-article)))
9589 (defun gnus-summary-article-posted-p ()
9590 "Say whether the current (mail) article is available from news as well.
9591 This will be the case if the article has both been mailed and posted."
9593 (let ((id (mail-header-references (gnus-summary-article-header)))
9594 (gnus-override-method (car (gnus-refer-article-methods))))
9595 (if (gnus-request-head id "")
9596 (gnus-message 2 "The current message was found on %s"
9597 gnus-override-method)
9598 (gnus-message 2 "The current message couldn't be found on %s"
9599 gnus-override-method)
9602 (defun gnus-summary-expire-articles (&optional now)
9603 "Expire all articles that are marked as expirable in the current group."
9605 (when (and (not gnus-group-is-exiting-without-update-p)
9606 (gnus-check-backend-function
9607 'request-expire-articles gnus-newsgroup-name))
9608 ;; This backend supports expiry.
9609 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9610 (expirable (if total
9612 ;; We need to update the info for
9613 ;; this group for `gnus-list-of-read-articles'
9614 ;; to give us the right answer.
9615 (gnus-run-hooks 'gnus-exit-group-hook)
9616 (gnus-summary-update-info)
9617 (gnus-list-of-read-articles gnus-newsgroup-name))
9618 (setq gnus-newsgroup-expirable
9619 (sort gnus-newsgroup-expirable '<))))
9620 (expiry-wait (if now 'immediate
9621 (gnus-group-find-parameter
9622 gnus-newsgroup-name 'expiry-wait)))
9623 (nnmail-expiry-target
9624 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9625 nnmail-expiry-target))
9628 ;; There are expirable articles in this group, so we run them
9629 ;; through the expiry process.
9630 (gnus-message 6 "Expiring articles...")
9631 (unless (gnus-check-group gnus-newsgroup-name)
9632 (error "Can't open server for %s" gnus-newsgroup-name))
9633 ;; The list of articles that weren't expired is returned.
9636 (let ((nnmail-expiry-wait-function nil)
9637 (nnmail-expiry-wait expiry-wait))
9638 (setq es (gnus-request-expire-articles
9639 expirable gnus-newsgroup-name)))
9640 (setq es (gnus-request-expire-articles
9641 expirable gnus-newsgroup-name)))
9643 (setq gnus-newsgroup-expirable es))
9644 ;; We go through the old list of expirable, and mark all
9645 ;; really expired articles as nonexistent.
9646 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9647 (let ((gnus-use-cache nil))
9648 (dolist (article expirable)
9649 (when (and (not (memq article es))
9650 (gnus-data-find article))
9651 (gnus-summary-mark-article article gnus-canceled-mark)
9652 (run-hook-with-args 'gnus-summary-article-expire-hook
9655 (assoc article (gnus-data-list nil)))
9659 (gnus-message 6 "Expiring articles...done")))))
9661 (defun gnus-summary-expire-articles-now ()
9662 "Expunge all expirable articles in the current group.
9663 This means that *all* articles that are marked as expirable will be
9664 deleted forever, right now."
9666 (or gnus-expert-user
9668 "Are you really, really, really sure you want to delete all these messages? ")
9670 (gnus-summary-expire-articles t))
9672 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9673 (defun gnus-summary-delete-article (&optional n)
9674 "Delete the N next (mail) articles.
9675 This command actually deletes articles. This is not a marking
9676 command. The article will disappear forever from your life, never to
9679 If N is negative, delete backwards.
9680 If N is nil and articles have been marked with the process mark,
9681 delete these instead.
9683 If `gnus-novice-user' is non-nil you will be asked for
9684 confirmation before the articles are deleted."
9686 (unless (gnus-check-backend-function 'request-expire-articles
9687 gnus-newsgroup-name)
9688 (error "The current newsgroup does not support article deletion"))
9689 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9690 (error "Couldn't open server"))
9691 ;; Compute the list of articles to delete.
9692 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9693 (nnmail-expiry-target 'delete)
9695 (if (and gnus-novice-user
9696 (not (gnus-yes-or-no-p
9697 (format "Do you really want to delete %s forever? "
9698 (if (> (length articles) 1)
9699 (format "these %s articles" (length articles))
9702 ;; Delete the articles.
9703 (setq not-deleted (gnus-request-expire-articles
9704 articles gnus-newsgroup-name 'force))
9706 (gnus-summary-remove-process-mark (car articles))
9707 ;; The backend might not have been able to delete the article
9709 (unless (memq (car articles) not-deleted)
9710 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9711 (let* ((article (car articles))
9712 (ghead (gnus-data-header
9713 (assoc article (gnus-data-list nil)))))
9714 (run-hook-with-args 'gnus-summary-article-delete-hook
9715 'delete ghead gnus-newsgroup-name nil
9717 (setq articles (cdr articles)))
9719 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9720 (gnus-summary-position-point)
9721 (gnus-set-mode-line 'summary)
9724 (defun gnus-summary-edit-article (&optional force)
9725 "Edit the current article.
9726 This will have permanent effect only in mail groups.
9727 If FORCE is non-nil, allow editing of articles even in read-only
9731 (set-buffer gnus-summary-buffer)
9732 (let ((mail-parse-charset gnus-newsgroup-charset)
9733 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9734 (gnus-set-global-variables)
9735 (when (and (not force)
9736 (gnus-group-read-only-p))
9737 (error "The current newsgroup does not support article editing"))
9738 (gnus-summary-show-article t)
9739 (gnus-article-edit-article
9741 `(lambda (no-highlight)
9742 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9743 (message-options message-options)
9744 (message-options-set-recipient)
9745 (mail-parse-ignored-charsets
9746 ',gnus-newsgroup-ignored-charsets))
9747 (gnus-summary-edit-article-done
9748 ,(or (mail-header-references gnus-current-headers) "")
9749 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
9751 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9753 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9755 "Make edits to the current article permanent."
9758 ;; The buffer restriction contains the entire article if it exists.
9759 (when (article-goto-body)
9760 (let ((lines (count-lines (point) (point-max)))
9761 (length (- (point-max) (point)))
9762 (case-fold-search t)
9763 (body (copy-marker (point))))
9764 (goto-char (point-min))
9765 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9766 (delete-region (match-beginning 1) (match-end 1))
9767 (insert (number-to-string length)))
9768 (goto-char (point-min))
9769 (when (re-search-forward
9770 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9771 (delete-region (match-beginning 1) (match-end 1))
9772 (insert (number-to-string length)))
9773 (goto-char (point-min))
9774 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9775 (delete-region (match-beginning 1) (match-end 1))
9776 (insert (number-to-string lines))))))
9777 ;; Replace the article.
9778 (let ((buf (current-buffer)))
9780 (insert-buffer-substring buf)
9782 (if (and (not read-only)
9783 (not (gnus-request-replace-article
9784 (cdr gnus-article-current) (car gnus-article-current)
9785 (current-buffer) t)))
9786 (error "Couldn't replace article")
9787 ;; Update the summary buffer.
9789 (equal (message-tokenize-header references " ")
9790 (message-tokenize-header
9791 (or (message-fetch-field "references") "") " ")))
9792 ;; We only have to update this line.
9795 (message-narrow-to-head)
9796 (let ((head (buffer-substring-no-properties
9797 (point-min) (point-max)))
9800 (insert (format "211 %d Article retrieved.\n"
9801 (cdr gnus-article-current)))
9804 (let ((nntp-server-buffer (current-buffer)))
9805 (setq header (car (gnus-get-newsgroup-headers
9808 (set-buffer gnus-summary-buffer)
9809 (gnus-data-set-header
9810 (gnus-data-find (cdr gnus-article-current))
9812 (gnus-summary-update-article-line
9813 (cdr gnus-article-current) header)
9814 (if (gnus-summary-goto-subject
9815 (cdr gnus-article-current) nil t)
9816 (gnus-summary-update-secondary-mark
9817 (cdr gnus-article-current))))))))
9819 (set-buffer (or buffer gnus-summary-buffer))
9820 (gnus-summary-update-article (cdr gnus-article-current))
9821 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9822 (gnus-summary-update-secondary-mark
9823 (cdr gnus-article-current))))
9824 ;; Prettify the article buffer again.
9825 (unless no-highlight
9827 (set-buffer gnus-article-buffer)
9828 ;;;!!! Fix this -- article should be rehighlighted.
9829 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9830 (set-buffer gnus-original-article-buffer)
9831 (gnus-request-article
9832 (cdr gnus-article-current)
9833 (car gnus-article-current) (current-buffer))))
9834 ;; Prettify the summary buffer line.
9835 (when (gnus-visual-p 'summary-highlight 'highlight)
9836 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9838 (defun gnus-summary-edit-wash (key)
9839 "Perform editing command KEY in the article buffer."
9843 (message "%s" (concat (this-command-keys) "- "))
9846 (gnus-summary-edit-article)
9847 (execute-kbd-macro (concat (this-command-keys) key))
9848 (gnus-article-edit-done))
9852 (defun gnus-summary-respool-query (&optional silent trace)
9853 "Query where the respool algorithm would put this article."
9855 (let (gnus-mark-article-hook)
9856 (gnus-summary-select-article)
9858 (set-buffer gnus-original-article-buffer)
9859 (let ((groups (nnmail-article-group 'identity trace)))
9862 (message "This message would go to %s"
9863 (mapconcat 'car groups ", "))
9864 (message "This message would go to no groups"))
9867 (defun gnus-summary-respool-trace ()
9868 "Trace where the respool algorithm would put this article.
9869 Display a buffer showing all fancy splitting patterns which matched."
9871 (gnus-summary-respool-query nil t))
9873 ;; Summary marking commands.
9875 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9876 "Mark articles which has the same subject as read, and then select the next.
9877 If UNMARK is positive, remove any kind of mark.
9878 If UNMARK is negative, tick articles."
9881 (setq unmark (prefix-numeric-value unmark)))
9883 (gnus-summary-mark-same-subject
9884 (gnus-summary-article-subject) unmark)))
9885 ;; Select next unread article. If auto-select-same mode, should
9886 ;; select the first unread article.
9887 (gnus-summary-next-article t (and gnus-auto-select-same
9888 (gnus-summary-article-subject)))
9889 (gnus-message 7 "%d article%s marked as %s"
9890 count (if (= count 1) " is" "s are")
9891 (if unmark "unread" "read"))))
9893 (defun gnus-summary-kill-same-subject (&optional unmark)
9894 "Mark articles which has the same subject as read.
9895 If UNMARK is positive, remove any kind of mark.
9896 If UNMARK is negative, tick articles."
9899 (setq unmark (prefix-numeric-value unmark)))
9901 (gnus-summary-mark-same-subject
9902 (gnus-summary-article-subject) unmark)))
9903 ;; If marked as read, go to next unread subject.
9905 ;; Go to next unread subject.
9906 (gnus-summary-next-subject 1 t))
9907 (gnus-message 7 "%d articles are marked as %s"
9908 count (if unmark "unread" "read"))))
9910 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9911 "Mark articles with same SUBJECT as read, and return marked number.
9912 If optional argument UNMARK is positive, remove any kinds of marks.
9913 If optional argument UNMARK is negative, mark articles as unread instead."
9917 ((null unmark) ; Mark as read.
9920 (gnus-summary-mark-article-as-read gnus-killed-mark)
9921 (gnus-summary-show-thread) t)
9922 (gnus-summary-find-subject subject))
9923 (setq count (1+ count))))
9924 ((> unmark 0) ; Tick.
9927 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9928 (gnus-summary-show-thread) t)
9929 (gnus-summary-find-subject subject))
9930 (setq count (1+ count))))
9931 (t ; Mark as unread.
9934 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9935 (gnus-summary-show-thread) t)
9936 (gnus-summary-find-subject subject))
9937 (setq count (1+ count)))))
9938 (gnus-set-mode-line 'summary)
9939 ;; Return the number of marked articles.
9942 (defun gnus-summary-mark-as-processable (n &optional unmark)
9943 "Set the process mark on the next N articles.
9944 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9945 the process mark instead. The difference between N and the actual
9946 number of articles marked is returned."
9948 (if (and (null n) (gnus-region-active-p))
9949 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9950 (setq n (prefix-numeric-value n))
9951 (let ((backward (< n 0))
9956 (gnus-summary-remove-process-mark
9957 (gnus-summary-article-number))
9958 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9959 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9962 (gnus-message 7 "No more articles"))
9963 (gnus-summary-recenter)
9964 (gnus-summary-position-point)
9967 (defun gnus-summary-unmark-as-processable (n)
9968 "Remove the process mark from the next N articles.
9969 If N is negative, unmark backward instead. The difference between N and
9970 the actual number of articles unmarked is returned."
9972 (gnus-summary-mark-as-processable n t))
9974 (defun gnus-summary-unmark-all-processable ()
9975 "Remove the process mark from all articles."
9978 (while gnus-newsgroup-processable
9979 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9980 (gnus-summary-position-point))
9982 (defun gnus-summary-add-mark (article type)
9983 "Mark ARTICLE with a mark of TYPE."
9984 (let ((vtype (car (assq type gnus-article-mark-lists)))
9987 (error "No such mark type: %s" type)
9988 (setq var (intern (format "gnus-newsgroup-%s" type)))
9989 (set var (cons article (symbol-value var)))
9990 (if (memq type '(processable cached replied forwarded recent saved))
9991 (gnus-summary-update-secondary-mark article)
9992 ;;; !!! This is bogus. We should find out what primary
9993 ;;; !!! mark we want to set.
9994 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9996 (defun gnus-summary-mark-as-expirable (n)
9997 "Mark N articles forward as expirable.
9998 If N is negative, mark backward instead. The difference between N and
9999 the actual number of articles marked is returned."
10001 (gnus-summary-mark-forward n gnus-expirable-mark))
10003 (defun gnus-summary-mark-as-spam (n)
10004 "Mark N articles forward as spam.
10005 If N is negative, mark backward instead. The difference between N and
10006 the actual number of articles marked is returned."
10008 (gnus-summary-mark-forward n gnus-spam-mark))
10010 (defun gnus-summary-mark-article-as-replied (article)
10011 "Mark ARTICLE as replied to and update the summary line.
10012 ARTICLE can also be a list of articles."
10013 (interactive (list (gnus-summary-article-number)))
10014 (let ((articles (if (listp article) article (list article))))
10015 (dolist (article articles)
10016 (unless (numberp article)
10017 (error "%s is not a number" article))
10018 (push article gnus-newsgroup-replied)
10019 (let ((buffer-read-only nil))
10020 (when (gnus-summary-goto-subject article nil t)
10021 (gnus-summary-update-secondary-mark article))))))
10023 (defun gnus-summary-mark-article-as-forwarded (article)
10024 "Mark ARTICLE as forwarded and update the summary line.
10025 ARTICLE can also be a list of articles."
10026 (let ((articles (if (listp article) article (list article))))
10027 (dolist (article articles)
10028 (push article gnus-newsgroup-forwarded)
10029 (let ((buffer-read-only nil))
10030 (when (gnus-summary-goto-subject article nil t)
10031 (gnus-summary-update-secondary-mark article))))))
10033 (defun gnus-summary-set-bookmark (article)
10034 "Set a bookmark in current article."
10035 (interactive (list (gnus-summary-article-number)))
10036 (when (or (not (get-buffer gnus-article-buffer))
10037 (not gnus-current-article)
10038 (not gnus-article-current)
10039 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10040 (error "No current article selected"))
10041 ;; Remove old bookmark, if one exists.
10042 (gnus-pull article gnus-newsgroup-bookmarks)
10043 ;; Set the new bookmark, which is on the form
10044 ;; (article-number . line-number-in-body).
10047 (with-current-buffer gnus-article-buffer
10051 (article-goto-body)
10054 gnus-newsgroup-bookmarks)
10055 (gnus-message 6 "A bookmark has been added to the current article."))
10057 (defun gnus-summary-remove-bookmark (article)
10058 "Remove the bookmark from the current article."
10059 (interactive (list (gnus-summary-article-number)))
10060 ;; Remove old bookmark, if one exists.
10061 (if (not (assq article gnus-newsgroup-bookmarks))
10062 (gnus-message 6 "No bookmark in current article.")
10063 (gnus-pull article gnus-newsgroup-bookmarks)
10064 (gnus-message 6 "Removed bookmark.")))
10066 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10067 (defun gnus-summary-mark-as-dormant (n)
10068 "Mark N articles forward as dormant.
10069 If N is negative, mark backward instead. The difference between N and
10070 the actual number of articles marked is returned."
10072 (gnus-summary-mark-forward n gnus-dormant-mark))
10074 (defun gnus-summary-set-process-mark (article)
10075 "Set the process mark on ARTICLE and update the summary line."
10076 (setq gnus-newsgroup-processable
10078 (delq article gnus-newsgroup-processable)))
10079 (when (gnus-summary-goto-subject article)
10080 (gnus-summary-show-thread)
10081 (gnus-summary-goto-subject article)
10082 (gnus-summary-update-secondary-mark article)))
10084 (defun gnus-summary-remove-process-mark (&rest articles)
10085 "Remove the process mark from ARTICLES and update the summary line."
10086 (dolist (article articles)
10087 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10088 (when (gnus-summary-goto-subject article)
10089 (gnus-summary-show-thread)
10090 (gnus-summary-goto-subject article)
10091 (gnus-summary-update-secondary-mark article))))
10093 (defun gnus-summary-set-saved-mark (article)
10094 "Set the process mark on ARTICLE and update the summary line."
10095 (push article gnus-newsgroup-saved)
10096 (when (gnus-summary-goto-subject article)
10097 (gnus-summary-update-secondary-mark article)))
10099 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10100 "Mark N articles as read forwards.
10101 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10102 The difference between N and the actual number of articles marked is
10104 If NO-EXPIRE, auto-expiry will be inhibited."
10106 (gnus-summary-show-thread)
10107 (let ((backward (< n 0))
10108 (gnus-summary-goto-unread
10109 (and gnus-summary-goto-unread
10110 (not (eq gnus-summary-goto-unread 'never))
10111 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10112 gnus-ticked-mark gnus-dormant-mark)))))
10114 (mark (or mark gnus-del-mark)))
10115 (while (and (> n 0)
10116 (gnus-summary-mark-article nil mark no-expire)
10117 (zerop (gnus-summary-next-subject
10119 (and gnus-summary-goto-unread
10120 (not (eq gnus-summary-goto-unread 'never)))
10124 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10125 (gnus-summary-recenter)
10126 (gnus-summary-position-point)
10127 (gnus-set-mode-line 'summary)
10130 (defun gnus-summary-mark-article-as-read (mark)
10131 "Mark the current article quickly as read with MARK."
10132 (let ((article (gnus-summary-article-number)))
10133 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10134 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10135 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10136 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10137 (push (cons article mark) gnus-newsgroup-reads)
10138 ;; Possibly remove from cache, if that is used.
10139 (when gnus-use-cache
10140 (gnus-cache-enter-remove-article article))
10141 ;; Allow the backend to change the mark.
10142 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10143 ;; Check for auto-expiry.
10144 (when (and gnus-newsgroup-auto-expire
10145 (memq mark gnus-auto-expirable-marks))
10146 (setq mark gnus-expirable-mark)
10147 ;; Let the backend know about the mark change.
10148 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10149 (push article gnus-newsgroup-expirable))
10150 ;; Set the mark in the buffer.
10151 (gnus-summary-update-mark mark 'unread)
10154 (defun gnus-summary-mark-article-as-unread (mark)
10155 "Mark the current article quickly as unread with MARK."
10156 (let* ((article (gnus-summary-article-number))
10157 (old-mark (gnus-summary-article-mark article)))
10158 ;; Allow the backend to change the mark.
10159 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10160 (if (eq mark old-mark)
10164 (gnus-error 1 "Can't mark negative article numbers")
10166 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10167 (setq gnus-newsgroup-spam-marked
10168 (delq article gnus-newsgroup-spam-marked))
10169 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10170 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10171 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10172 (cond ((= mark gnus-ticked-mark)
10173 (setq gnus-newsgroup-marked
10174 (gnus-add-to-sorted-list gnus-newsgroup-marked
10176 ((= mark gnus-spam-mark)
10177 (setq gnus-newsgroup-spam-marked
10178 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10180 ((= mark gnus-dormant-mark)
10181 (setq gnus-newsgroup-dormant
10182 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10185 (setq gnus-newsgroup-unreads
10186 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10188 (gnus-pull article gnus-newsgroup-reads)
10190 ;; See whether the article is to be put in the cache.
10191 (and gnus-use-cache
10192 (vectorp (gnus-summary-article-header article))
10194 (gnus-cache-possibly-enter-article
10195 gnus-newsgroup-name article
10196 (gnus-summary-article-header article)
10197 (= mark gnus-ticked-mark)
10198 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10201 (gnus-summary-update-mark mark 'unread)
10204 (defun gnus-summary-mark-article (&optional article mark no-expire)
10205 "Mark ARTICLE with MARK. MARK can be any character.
10206 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10207 `??' (dormant) and `?E' (expirable).
10208 If MARK is nil, then the default character `?r' is used.
10209 If ARTICLE is nil, then the article on the current line will be
10211 If NO-EXPIRE, auto-expiry will be inhibited."
10212 ;; The mark might be a string.
10213 (when (stringp mark)
10214 (setq mark (aref mark 0)))
10215 ;; If no mark is given, then we check auto-expiring.
10217 (setq mark gnus-del-mark))
10218 (when (and (not no-expire)
10219 gnus-newsgroup-auto-expire
10220 (memq mark gnus-auto-expirable-marks))
10221 (setq mark gnus-expirable-mark))
10222 (let ((article (or article (gnus-summary-article-number)))
10223 (old-mark (gnus-summary-article-mark article)))
10224 ;; Allow the backend to change the mark.
10225 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10226 (if (eq mark old-mark)
10229 (error "No article on current line"))
10230 (if (not (if (or (= mark gnus-unread-mark)
10231 (= mark gnus-ticked-mark)
10232 (= mark gnus-spam-mark)
10233 (= mark gnus-dormant-mark))
10234 (gnus-mark-article-as-unread article mark)
10235 (gnus-mark-article-as-read article mark)))
10237 ;; See whether the article is to be put in the cache.
10238 (and gnus-use-cache
10239 (not (= mark gnus-canceled-mark))
10240 (vectorp (gnus-summary-article-header article))
10242 (gnus-cache-possibly-enter-article
10243 gnus-newsgroup-name article
10244 (gnus-summary-article-header article)
10245 (= mark gnus-ticked-mark)
10246 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10248 (when (gnus-summary-goto-subject article nil t)
10249 (let ((buffer-read-only nil))
10250 (gnus-summary-show-thread)
10252 (gnus-summary-update-mark mark 'unread)
10255 (defun gnus-summary-update-secondary-mark (article)
10256 "Update the secondary (read, process, cache) mark."
10257 (gnus-summary-update-mark
10258 (cond ((memq article gnus-newsgroup-processable)
10260 ((memq article gnus-newsgroup-cached)
10262 ((memq article gnus-newsgroup-replied)
10264 ((memq article gnus-newsgroup-forwarded)
10265 gnus-forwarded-mark)
10266 ((memq article gnus-newsgroup-saved)
10268 ((memq article gnus-newsgroup-recent)
10270 ((memq article gnus-newsgroup-unseen)
10274 (when (gnus-visual-p 'summary-highlight 'highlight)
10275 (gnus-run-hooks 'gnus-summary-update-hook))
10278 (defun gnus-summary-update-download-mark (article)
10279 "Update the download mark."
10280 (gnus-summary-update-mark
10281 (cond ((memq article gnus-newsgroup-undownloaded)
10282 gnus-undownloaded-mark)
10283 (gnus-newsgroup-agentized
10284 gnus-downloaded-mark)
10288 (gnus-summary-update-line t)
10291 (defun gnus-summary-update-mark (mark type)
10292 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10293 (buffer-read-only nil))
10294 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10296 (when (looking-at "\r")
10298 (when (<= (+ forward (point)) (point-max))
10299 ;; Go to the right position on the line.
10300 (goto-char (+ forward (point)))
10301 ;; Replace the old mark with the new mark.
10302 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10303 ;; Optionally update the marks by some user rule.
10304 (when (eq type 'unread)
10305 (gnus-data-set-mark
10306 (gnus-data-find (gnus-summary-article-number)) mark)
10307 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10309 (defun gnus-mark-article-as-read (article &optional mark)
10310 "Enter ARTICLE in the pertinent lists and remove it from others."
10311 ;; Make the article expirable.
10312 (let ((mark (or mark gnus-del-mark)))
10313 (setq gnus-newsgroup-expirable
10314 (if (= mark gnus-expirable-mark)
10315 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10316 (delq article gnus-newsgroup-expirable)))
10317 ;; Remove from unread and marked lists.
10318 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10319 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10320 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10321 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10322 (push (cons article mark) gnus-newsgroup-reads)
10323 ;; Possibly remove from cache, if that is used.
10324 (when gnus-use-cache
10325 (gnus-cache-enter-remove-article article))
10328 (defun gnus-mark-article-as-unread (article &optional mark)
10329 "Enter ARTICLE in the pertinent lists and remove it from others."
10330 (let ((mark (or mark gnus-ticked-mark)))
10333 (gnus-error 1 "Can't mark negative article numbers")
10335 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10336 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10337 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10338 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10339 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10341 ;; Unsuppress duplicates?
10342 (when gnus-suppress-duplicates
10343 (gnus-dup-unsuppress-article article))
10345 (cond ((= mark gnus-ticked-mark)
10346 (setq gnus-newsgroup-marked
10347 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10348 ((= mark gnus-spam-mark)
10349 (setq gnus-newsgroup-spam-marked
10350 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10352 ((= mark gnus-dormant-mark)
10353 (setq gnus-newsgroup-dormant
10354 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10356 (setq gnus-newsgroup-unreads
10357 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10358 (gnus-pull article gnus-newsgroup-reads)
10361 (defalias 'gnus-summary-mark-as-unread-forward
10362 'gnus-summary-tick-article-forward)
10363 (make-obsolete 'gnus-summary-mark-as-unread-forward
10364 'gnus-summary-tick-article-forward)
10365 (defun gnus-summary-tick-article-forward (n)
10366 "Tick N articles forwards.
10367 If N is negative, tick backwards instead.
10368 The difference between N and the number of articles ticked is returned."
10370 (gnus-summary-mark-forward n gnus-ticked-mark))
10372 (defalias 'gnus-summary-mark-as-unread-backward
10373 'gnus-summary-tick-article-backward)
10374 (make-obsolete 'gnus-summary-mark-as-unread-backward
10375 'gnus-summary-tick-article-backward)
10376 (defun gnus-summary-tick-article-backward (n)
10377 "Tick N articles backwards.
10378 The difference between N and the number of articles ticked is returned."
10380 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10382 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10383 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10384 (defun gnus-summary-tick-article (&optional article clear-mark)
10385 "Mark current article as unread.
10386 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10387 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10389 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10390 gnus-ticked-mark)))
10392 (defun gnus-summary-mark-as-read-forward (n)
10393 "Mark N articles as read forwards.
10394 If N is negative, mark backwards instead.
10395 The difference between N and the actual number of articles marked is
10398 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10400 (defun gnus-summary-mark-as-read-backward (n)
10401 "Mark the N articles as read backwards.
10402 The difference between N and the actual number of articles marked is
10405 (gnus-summary-mark-forward
10406 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10408 (defun gnus-summary-mark-as-read (&optional article mark)
10409 "Mark current article as read.
10410 ARTICLE specifies the article to be marked as read.
10411 MARK specifies a string to be inserted at the beginning of the line."
10412 (gnus-summary-mark-article article mark))
10414 (defun gnus-summary-clear-mark-forward (n)
10415 "Clear marks from N articles forward.
10416 If N is negative, clear backward instead.
10417 The difference between N and the number of marks cleared is returned."
10419 (gnus-summary-mark-forward n gnus-unread-mark))
10421 (defun gnus-summary-clear-mark-backward (n)
10422 "Clear marks from N articles backward.
10423 The difference between N and the number of marks cleared is returned."
10425 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10427 (defun gnus-summary-mark-unread-as-read ()
10428 "Intended to be used by `gnus-summary-mark-article-hook'."
10429 (when (memq gnus-current-article gnus-newsgroup-unreads)
10430 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10432 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10433 "Intended to be used by `gnus-summary-mark-article-hook'."
10434 (let ((mark (gnus-summary-article-mark)))
10435 (when (or (gnus-unread-mark-p mark)
10436 (gnus-read-mark-p mark))
10437 (gnus-summary-mark-article gnus-current-article
10438 (or new-mark gnus-read-mark)))))
10440 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10441 "Intended to be used by `gnus-summary-mark-article-hook'."
10442 (let ((mark (gnus-summary-article-mark)))
10443 (when (or (gnus-unread-mark-p mark)
10444 (gnus-read-mark-p mark))
10445 (gnus-summary-mark-article (gnus-summary-article-number)
10446 (or new-mark gnus-read-mark)))))
10448 (defun gnus-summary-mark-unread-as-ticked ()
10449 "Intended to be used by `gnus-summary-mark-article-hook'."
10450 (when (memq gnus-current-article gnus-newsgroup-unreads)
10451 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10453 (defun gnus-summary-mark-region-as-read (point mark all)
10454 "Mark all unread articles between point and mark as read.
10455 If given a prefix, mark all articles between point and mark as read,
10456 even ticked and dormant ones."
10457 (interactive "r\nP")
10461 (beginning-of-line)
10466 (memq (setq article (gnus-summary-article-number))
10467 gnus-newsgroup-unreads))
10468 (gnus-summary-mark-article article gnus-del-mark))
10470 (gnus-summary-find-next))))))
10472 (defun gnus-summary-mark-below (score mark)
10473 "Mark articles with score less than SCORE with MARK."
10474 (interactive "P\ncMark: ")
10475 (setq score (if score
10476 (prefix-numeric-value score)
10477 (or gnus-summary-default-score 0)))
10479 (set-buffer gnus-summary-buffer)
10480 (goto-char (point-min))
10483 (and (< (gnus-summary-article-score) score)
10484 (gnus-summary-mark-article nil mark))
10485 (gnus-summary-find-next)))))
10487 (defun gnus-summary-kill-below (&optional score)
10488 "Mark articles with score below SCORE as read."
10490 (gnus-summary-mark-below score gnus-killed-mark))
10492 (defun gnus-summary-clear-above (&optional score)
10493 "Clear all marks from articles with score above SCORE."
10495 (gnus-summary-mark-above score gnus-unread-mark))
10497 (defun gnus-summary-tick-above (&optional score)
10498 "Tick all articles with score above SCORE."
10500 (gnus-summary-mark-above score gnus-ticked-mark))
10502 (defun gnus-summary-mark-above (score mark)
10503 "Mark articles with score over SCORE with MARK."
10504 (interactive "P\ncMark: ")
10505 (setq score (if score
10506 (prefix-numeric-value score)
10507 (or gnus-summary-default-score 0)))
10509 (set-buffer gnus-summary-buffer)
10510 (goto-char (point-min))
10512 (when (> (gnus-summary-article-score) score)
10513 (gnus-summary-mark-article nil mark))
10515 (gnus-summary-find-next)))))
10517 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10518 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10519 (defun gnus-summary-limit-include-expunged (&optional no-error)
10520 "Display all the hidden articles that were expunged for low scores."
10522 (let ((buffer-read-only nil))
10523 (let ((scored gnus-newsgroup-scored)
10526 (unless (gnus-summary-article-header (caar scored))
10527 (and (setq h (gnus-number-to-header (caar scored)))
10528 (< (cdar scored) gnus-summary-expunge-below)
10530 (setq scored (cdr scored)))
10532 (when (not no-error)
10533 (error "No expunged articles hidden"))
10534 (goto-char (point-min))
10535 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10536 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10537 (mapcar (lambda (x) (push (mail-header-number x)
10538 gnus-newsgroup-limit))
10540 (gnus-summary-prepare-unthreaded (nreverse headers))
10541 (goto-char (point-min))
10542 (gnus-summary-position-point)
10545 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10546 "Mark all unread articles in this newsgroup as read.
10547 If prefix argument ALL is non-nil, ticked and dormant articles will
10548 also be marked as read.
10549 If QUIETLY is non-nil, no questions will be asked.
10551 If TO-HERE is non-nil, it should be a point in the buffer. All
10552 articles before (after, if REVERSE is set) this point will be marked
10555 Note that this function will only catch up the unread article
10556 in the current summary buffer limitation.
10558 The number of articles marked as read is returned."
10563 (not gnus-interactive-catchup) ;Without confirmation?
10567 "Mark absolutely all articles as read? "
10568 "Mark all unread articles as read? ")))
10570 (not gnus-newsgroup-adaptive)
10571 (not gnus-newsgroup-auto-expire)
10572 (not gnus-suppress-duplicates)
10573 (or (not gnus-use-cache)
10574 (eq gnus-use-cache 'passive)))
10577 (setq gnus-newsgroup-marked nil
10578 gnus-newsgroup-spam-marked nil
10579 gnus-newsgroup-dormant nil))
10580 (setq gnus-newsgroup-unreads
10581 (gnus-sorted-nunion
10582 (gnus-intersection gnus-newsgroup-unreads
10583 gnus-newsgroup-downloadable)
10584 gnus-newsgroup-unfetched)))
10585 ;; We actually mark all articles as canceled, which we
10586 ;; have to do when using auto-expiry or adaptive scoring.
10587 (gnus-summary-show-all-threads)
10588 (if (and to-here reverse)
10590 (goto-char to-here)
10591 (gnus-summary-mark-current-read-and-unread-as-read
10593 (while (gnus-summary-find-next (not all))
10594 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10595 (when (gnus-summary-first-subject (not all))
10597 (if to-here (< (point) to-here) t)
10598 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10599 (gnus-summary-find-next (not all))))))
10600 (gnus-set-mode-line 'summary))
10602 (gnus-summary-position-point)))
10604 (defun gnus-summary-catchup-to-here (&optional all)
10605 "Mark all unticked articles before the current one as read.
10606 If ALL is non-nil, also mark ticked and dormant articles as read."
10609 (gnus-save-hidden-threads
10610 (let ((beg (point)))
10611 ;; We check that there are unread articles.
10612 (when (or all (gnus-summary-find-prev))
10613 (gnus-summary-catchup all t beg)))))
10614 (gnus-summary-position-point))
10616 (defun gnus-summary-catchup-from-here (&optional all)
10617 "Mark all unticked articles after (and including) the current one as read.
10618 If ALL is non-nil, also mark ticked and dormant articles as read."
10621 (gnus-save-hidden-threads
10622 (let ((beg (point)))
10623 ;; We check that there are unread articles.
10624 (when (or all (gnus-summary-find-next))
10625 (gnus-summary-catchup all t beg nil t)))))
10626 (gnus-summary-position-point))
10628 (defun gnus-summary-catchup-all (&optional quietly)
10629 "Mark all articles in this newsgroup as read.
10630 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10631 instead, which marks only unread articles as read."
10633 (gnus-summary-catchup t quietly))
10635 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10636 "Mark all unread articles in this group as read, then exit.
10637 If prefix argument ALL is non-nil, all articles are marked as read.
10638 If QUIETLY is non-nil, no questions will be asked."
10640 (when (gnus-summary-catchup all quietly nil 'fast)
10641 ;; Select next newsgroup or exit.
10642 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10643 (eq gnus-auto-select-next 'quietly))
10644 (gnus-summary-next-group nil)
10645 (gnus-summary-exit))))
10647 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10648 "Mark all articles in this newsgroup as read, and then exit.
10649 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10650 instead, which marks only unread articles as read."
10652 (gnus-summary-catchup-and-exit t quietly))
10654 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10655 "Mark all articles in this group as read and select the next group.
10656 If given a prefix, mark all articles, unread as well as ticked, as
10660 (gnus-summary-catchup all))
10661 (gnus-summary-next-group))
10663 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
10664 "Mark all articles in this group as read and select the previous group.
10665 If given a prefix, mark all articles, unread as well as ticked, as
10669 (gnus-summary-catchup all))
10670 (gnus-summary-next-group nil nil t))
10676 (defmacro gnus-with-article (article &rest forms)
10677 "Select ARTICLE and perform FORMS in the original article buffer.
10678 Then replace the article with the result."
10680 ;; We don't want the article to be marked as read.
10681 (let (gnus-mark-article-hook)
10682 (gnus-summary-select-article t t nil ,article))
10683 (set-buffer gnus-original-article-buffer)
10685 (if (not (gnus-check-backend-function
10686 'request-replace-article (car gnus-article-current)))
10687 (gnus-message 5 "Read-only group; not replacing")
10688 (unless (gnus-request-replace-article
10689 ,article (car gnus-article-current)
10690 (current-buffer) t)
10691 (error "Couldn't replace article")))
10692 ;; The cache and backlog have to be flushed somewhat.
10693 (when gnus-keep-backlog
10694 (gnus-backlog-remove-article
10695 (car gnus-article-current) (cdr gnus-article-current)))
10696 (when gnus-use-cache
10697 (gnus-cache-update-article
10698 (car gnus-article-current) (cdr gnus-article-current)))))
10700 (put 'gnus-with-article 'lisp-indent-function 1)
10701 (put 'gnus-with-article 'edebug-form-spec '(form body))
10703 ;; Thread-based commands.
10705 (defun gnus-summary-articles-in-thread (&optional article)
10706 "Return a list of all articles in the current thread.
10707 If ARTICLE is non-nil, return all articles in the thread that starts
10708 with that article."
10709 (let* ((article (or article (gnus-summary-article-number)))
10710 (data (gnus-data-find-list article))
10711 (top-level (gnus-data-level (car data)))
10713 (cond ((null gnus-thread-operation-ignore-subject)
10714 (gnus-simplify-subject-re
10715 (mail-header-subject (gnus-data-header (car data)))))
10716 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10717 (gnus-simplify-subject-fuzzy
10718 (mail-header-subject (gnus-data-header (car data)))))
10720 (end-point (save-excursion
10721 (if (gnus-summary-go-to-next-thread)
10722 (point) (point-max))))
10725 (< (gnus-data-pos (car data)) end-point))
10726 (when (or (not top-subject)
10727 (string= top-subject
10728 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10729 (gnus-simplify-subject-fuzzy
10730 (mail-header-subject
10731 (gnus-data-header (car data))))
10732 (gnus-simplify-subject-re
10733 (mail-header-subject
10734 (gnus-data-header (car data)))))))
10735 (push (gnus-data-number (car data)) articles))
10736 (unless (and (setq data (cdr data))
10737 (> (gnus-data-level (car data)) top-level))
10739 ;; Return the list of articles.
10740 (nreverse articles)))
10742 (defun gnus-summary-rethread-current ()
10743 "Rethread the thread the current article is part of."
10745 (let* ((gnus-show-threads t)
10746 (article (gnus-summary-article-number))
10747 (id (mail-header-id (gnus-summary-article-header)))
10748 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10750 (error "No article on the current line"))
10751 (gnus-rebuild-thread id)
10752 (gnus-summary-goto-subject article)))
10754 (defun gnus-summary-reparent-thread ()
10755 "Make the current article child of the marked (or previous) article.
10757 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10758 is non-nil or the Subject: of both articles are the same."
10760 (unless (not (gnus-group-read-only-p))
10761 (error "The current newsgroup does not support article editing"))
10762 (unless (<= (length gnus-newsgroup-processable) 1)
10763 (error "No more than one article may be marked"))
10764 (save-window-excursion
10765 (let ((gnus-article-buffer " *reparent*")
10766 (current-article (gnus-summary-article-number))
10767 ;; First grab the marked article, otherwise one line up.
10768 (parent-article (if (not (null gnus-newsgroup-processable))
10769 (car gnus-newsgroup-processable)
10771 (if (eq (forward-line -1) 0)
10772 (gnus-summary-article-number)
10773 (error "Beginning of summary buffer"))))))
10774 (unless (not (eq current-article parent-article))
10775 (error "An article may not be self-referential"))
10776 (let ((message-id (mail-header-id
10777 (gnus-summary-article-header parent-article))))
10778 (unless (and message-id (not (equal message-id "")))
10779 (error "No message-id in desired parent"))
10780 (gnus-with-article current-article
10782 (goto-char (point-min))
10783 (message-narrow-to-head)
10784 (if (re-search-forward "^References: " nil t)
10786 (re-search-forward "^[^ \t]" nil t)
10789 (insert " " message-id))
10790 (insert "References: " message-id "\n"))))
10791 (set-buffer gnus-summary-buffer)
10792 (gnus-summary-unmark-all-processable)
10793 (gnus-summary-update-article current-article)
10794 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10795 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10796 (gnus-summary-rethread-current)
10797 (gnus-message 3 "Article %d is now the child of article %d"
10798 current-article parent-article)))))
10800 (defun gnus-summary-toggle-threads (&optional arg)
10801 "Toggle showing conversation threads.
10802 If ARG is positive number, turn showing conversation threads on."
10804 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10805 (setq gnus-show-threads
10806 (if (null arg) (not gnus-show-threads)
10807 (> (prefix-numeric-value arg) 0)))
10808 (gnus-summary-prepare)
10809 (gnus-summary-goto-subject current)
10810 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10811 (gnus-summary-position-point)))
10813 (defun gnus-summary-show-all-threads ()
10814 "Show all threads."
10817 (let ((buffer-read-only nil))
10818 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10819 (gnus-summary-position-point))
10821 (defun gnus-summary-show-thread ()
10822 "Show thread subtrees.
10823 Returns nil if no thread was there to be shown."
10825 (let ((buffer-read-only nil)
10827 (end (point-at-eol))
10828 ;; Leave point at bol
10829 (beg (progn (beginning-of-line) (point))))
10831 ;; Any hidden lines here?
10832 (search-forward "\r" end t)
10833 (subst-char-in-region beg end ?\^M ?\n t)
10835 (gnus-summary-position-point))))
10837 (defun gnus-summary-maybe-hide-threads ()
10838 "If requested, hide the threads that should be hidden."
10839 (when (and gnus-show-threads
10840 gnus-thread-hide-subtree)
10841 (gnus-summary-hide-all-threads
10842 (if (or (consp gnus-thread-hide-subtree)
10843 (functionp gnus-thread-hide-subtree))
10844 (gnus-make-predicate gnus-thread-hide-subtree)
10847 ;;; Hiding predicates.
10849 (defun gnus-article-unread-p (header)
10850 (memq (mail-header-number header) gnus-newsgroup-unreads))
10852 (defun gnus-article-unseen-p (header)
10853 (memq (mail-header-number header) gnus-newsgroup-unseen))
10855 (defun gnus-map-articles (predicate articles)
10856 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10857 (apply 'gnus-or (mapcar predicate
10858 (mapcar 'gnus-summary-article-header articles))))
10860 (defun gnus-summary-hide-all-threads (&optional predicate)
10861 "Hide all thread subtrees.
10862 If PREDICATE is supplied, threads that satisfy this predicate
10863 will not be hidden."
10866 (goto-char (point-min))
10869 (when (or (not predicate)
10871 predicate (gnus-summary-article-children)))
10872 (gnus-summary-hide-thread))
10873 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10874 (gnus-summary-position-point))
10876 (defun gnus-summary-hide-thread ()
10877 "Hide thread subtrees.
10878 If PREDICATE is supplied, threads that satisfy this predicate
10879 will not be hidden.
10880 Returns nil if no threads were there to be hidden."
10882 (let ((buffer-read-only nil)
10884 (article (gnus-summary-article-number)))
10886 ;; Go forward until either the buffer ends or the subthread
10888 (when (and (not (eobp))
10889 (or (zerop (gnus-summary-next-thread 1 t))
10890 (goto-char (point-max))))
10892 (if (and (> (point) start)
10893 (search-backward "\n" start t))
10895 (subst-char-in-region start (point) ?\n ?\^M)
10896 (gnus-summary-goto-subject article))
10900 (defun gnus-summary-go-to-next-thread (&optional previous)
10901 "Go to the same level (or less) next thread.
10902 If PREVIOUS is non-nil, go to previous thread instead.
10903 Return the article number moved to, or nil if moving was impossible."
10904 (let ((level (gnus-summary-thread-level))
10905 (way (if previous -1 1))
10908 (while (and (not (eobp))
10909 (< level (gnus-summary-thread-level)))
10910 (forward-line way))
10917 (gnus-summary-article-number)
10918 (goto-char beg)))))
10920 (defun gnus-summary-next-thread (n &optional silent)
10921 "Go to the same level next N'th thread.
10922 If N is negative, search backward instead.
10923 Returns the difference between N and the number of skips actually
10926 If SILENT, don't output messages."
10928 (let ((backward (< n 0))
10930 (while (and (> n 0)
10931 (gnus-summary-go-to-next-thread backward))
10934 (gnus-summary-position-point))
10935 (when (and (not silent) (/= 0 n))
10936 (gnus-message 7 "No more threads"))
10939 (defun gnus-summary-prev-thread (n)
10940 "Go to the same level previous N'th thread.
10941 Returns the difference between N and the number of skips actually
10944 (gnus-summary-next-thread (- n)))
10946 (defun gnus-summary-go-down-thread ()
10947 "Go down one level in the current thread."
10948 (let ((children (gnus-summary-article-children)))
10950 (gnus-summary-goto-subject (car children)))))
10952 (defun gnus-summary-go-up-thread ()
10953 "Go up one level in the current thread."
10954 (let ((parent (gnus-summary-article-parent)))
10956 (gnus-summary-goto-subject parent))))
10958 (defun gnus-summary-down-thread (n)
10959 "Go down thread N steps.
10960 If N is negative, go up instead.
10961 Returns the difference between N and how many steps down that were
10966 (while (and (> n 0)
10967 (if up (gnus-summary-go-up-thread)
10968 (gnus-summary-go-down-thread)))
10970 (gnus-summary-position-point)
10972 (gnus-message 7 "Can't go further"))
10975 (defun gnus-summary-up-thread (n)
10976 "Go up thread N steps.
10977 If N is negative, go down instead.
10978 Returns the difference between N and how many steps down that were
10981 (gnus-summary-down-thread (- n)))
10983 (defun gnus-summary-top-thread ()
10984 "Go to the top of the thread."
10986 (while (gnus-summary-go-up-thread))
10987 (gnus-summary-article-number))
10989 (defun gnus-summary-kill-thread (&optional unmark)
10990 "Mark articles under current thread as read.
10991 If the prefix argument is positive, remove any kinds of marks.
10992 If the prefix argument is negative, tick articles instead."
10995 (setq unmark (prefix-numeric-value unmark)))
10996 (let ((articles (gnus-summary-articles-in-thread)))
10998 ;; Expand the thread.
10999 (gnus-summary-show-thread)
11000 ;; Mark all the articles.
11002 (gnus-summary-goto-subject (car articles))
11003 (cond ((null unmark)
11004 (gnus-summary-mark-article-as-read gnus-killed-mark))
11006 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11008 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11009 (setq articles (cdr articles))))
11010 ;; Hide killed subtrees.
11012 gnus-thread-hide-killed
11013 (gnus-summary-hide-thread))
11014 ;; If marked as read, go to next unread subject.
11015 (when (null unmark)
11016 ;; Go to next unread subject.
11017 (gnus-summary-next-subject 1 t)))
11018 (gnus-set-mode-line 'summary))
11020 ;; Summary sorting commands
11022 (defun gnus-summary-sort-by-number (&optional reverse)
11023 "Sort the summary buffer by article number.
11024 Argument REVERSE means reverse order."
11026 (gnus-summary-sort 'number reverse))
11028 (defun gnus-summary-sort-by-random (&optional reverse)
11029 "Randomize the order in the summary buffer.
11030 Argument REVERSE means to randomize in reverse order."
11032 (gnus-summary-sort 'random reverse))
11034 (defun gnus-summary-sort-by-author (&optional reverse)
11035 "Sort the summary buffer by author name alphabetically.
11036 If `case-fold-search' is non-nil, case of letters is ignored.
11037 Argument REVERSE means reverse order."
11039 (gnus-summary-sort 'author reverse))
11041 (defun gnus-summary-sort-by-recipient (&optional reverse)
11042 "Sort the summary buffer by recipient name alphabetically.
11043 If `case-fold-search' is non-nil, case of letters is ignored.
11044 Argument REVERSE means reverse order."
11046 (gnus-summary-sort 'recipient reverse))
11048 (defun gnus-summary-sort-by-subject (&optional reverse)
11049 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11050 If `case-fold-search' is non-nil, case of letters is ignored.
11051 Argument REVERSE means reverse order."
11053 (gnus-summary-sort 'subject reverse))
11055 (defun gnus-summary-sort-by-date (&optional reverse)
11056 "Sort the summary buffer by date.
11057 Argument REVERSE means reverse order."
11059 (gnus-summary-sort 'date reverse))
11061 (defun gnus-summary-sort-by-score (&optional reverse)
11062 "Sort the summary buffer by score.
11063 Argument REVERSE means reverse order."
11065 (gnus-summary-sort 'score reverse))
11067 (defun gnus-summary-sort-by-lines (&optional reverse)
11068 "Sort the summary buffer by the number of lines.
11069 Argument REVERSE means reverse order."
11071 (gnus-summary-sort 'lines reverse))
11073 (defun gnus-summary-sort-by-chars (&optional reverse)
11074 "Sort the summary buffer by article length.
11075 Argument REVERSE means reverse order."
11077 (gnus-summary-sort 'chars reverse))
11079 (defun gnus-summary-sort-by-original (&optional reverse)
11080 "Sort the summary buffer using the default sorting method.
11081 Argument REVERSE means reverse order."
11083 (let* ((buffer-read-only)
11084 (gnus-summary-prepare-hook nil))
11085 ;; We do the sorting by regenerating the threads.
11086 (gnus-summary-prepare)
11087 ;; Hide subthreads if needed.
11088 (gnus-summary-maybe-hide-threads)))
11090 (defun gnus-summary-sort (predicate reverse)
11091 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11092 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11093 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11094 (gnus-thread-sort-functions
11099 (gnus-sort-gathered-threads-function
11100 gnus-thread-sort-functions)
11101 (gnus-article-sort-functions
11105 (,article t2 t1))))
11107 (gnus-summary-prepare-hook nil))
11108 ;; We do the sorting by regenerating the threads.
11109 (gnus-summary-prepare)
11110 ;; Hide subthreads if needed.
11111 (gnus-summary-maybe-hide-threads)))
11113 ;; Summary saving commands.
11115 (defun gnus-summary-save-article (&optional n not-saved)
11116 "Save the current article using the default saver function.
11117 If N is a positive number, save the N next articles.
11118 If N is a negative number, save the N previous articles.
11119 If N is nil and any articles have been marked with the process mark,
11120 save those articles instead.
11121 The variable `gnus-default-article-saver' specifies the saver function."
11123 (let* ((articles (gnus-summary-work-articles n))
11124 (save-buffer (save-excursion
11125 (nnheader-set-temp-buffer " *Gnus Save*")))
11126 (num (length articles))
11128 (dolist (article articles)
11129 (setq header (gnus-summary-article-header article))
11130 (if (not (vectorp header))
11131 ;; This is a pseudo-article.
11132 (if (assq 'name header)
11133 (gnus-copy-file (cdr (assq 'name header)))
11134 (gnus-message 1 "Article %d is unsaveable" article))
11135 ;; This is a real article.
11136 (save-window-excursion
11137 (let ((gnus-display-mime-function nil)
11138 (gnus-article-prepare-hook nil))
11139 (gnus-summary-select-article t nil nil article)))
11141 (set-buffer save-buffer)
11143 (insert-buffer-substring gnus-original-article-buffer))
11144 (setq file (gnus-article-save save-buffer file num))
11145 (gnus-summary-remove-process-mark article)
11147 (gnus-summary-set-saved-mark article))))
11148 (gnus-kill-buffer save-buffer)
11149 (gnus-summary-position-point)
11150 (gnus-set-mode-line 'summary)
11153 (defun gnus-summary-pipe-output (&optional arg headers)
11154 "Pipe the current article to a subprocess.
11155 If N is a positive number, pipe the N next articles.
11156 If N is a negative number, pipe the N previous articles.
11157 If N is nil and any articles have been marked with the process mark,
11158 pipe those articles instead.
11159 If HEADERS (the symbolic prefix), include the headers, too."
11160 (interactive (gnus-interactive "P\ny"))
11161 (require 'gnus-art)
11162 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
11163 (gnus-save-all-headers (or headers gnus-save-all-headers)))
11164 (gnus-summary-save-article arg t))
11165 (let ((buffer (get-buffer "*Shell Command Output*")))
11167 (not (zerop (buffer-size buffer))))
11168 (gnus-configure-windows 'pipe))))
11170 (defun gnus-summary-save-article-mail (&optional arg)
11171 "Append the current article to an mail file.
11172 If N is a positive number, save the N next articles.
11173 If N is a negative number, save the N previous articles.
11174 If N is nil and any articles have been marked with the process mark,
11175 save those articles instead."
11177 (require 'gnus-art)
11178 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
11179 (gnus-summary-save-article arg)))
11181 (defun gnus-summary-save-article-rmail (&optional arg)
11182 "Append the current article to an rmail file.
11183 If N is a positive number, save the N next articles.
11184 If N is a negative number, save the N previous articles.
11185 If N is nil and any articles have been marked with the process mark,
11186 save those articles instead."
11188 (require 'gnus-art)
11189 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11190 (gnus-summary-save-article arg)))
11192 (defun gnus-summary-save-article-file (&optional arg)
11193 "Append the current article to a file.
11194 If N is a positive number, save the N next articles.
11195 If N is a negative number, save the N previous articles.
11196 If N is nil and any articles have been marked with the process mark,
11197 save those articles instead."
11199 (require 'gnus-art)
11200 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11201 (gnus-summary-save-article arg)))
11203 (defun gnus-summary-write-article-file (&optional arg)
11204 "Write the current article to a file, deleting the previous file.
11205 If N is a positive number, save the N next articles.
11206 If N is a negative number, save the N previous articles.
11207 If N is nil and any articles have been marked with the process mark,
11208 save those articles instead."
11210 (require 'gnus-art)
11211 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11212 (gnus-summary-save-article arg)))
11214 (defun gnus-summary-save-article-body-file (&optional arg)
11215 "Append the current article body to a file.
11216 If N is a positive number, save the N next articles.
11217 If N is a negative number, save the N previous articles.
11218 If N is nil and any articles have been marked with the process mark,
11219 save those articles instead."
11221 (require 'gnus-art)
11222 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11223 (gnus-summary-save-article arg)))
11225 (defun gnus-summary-muttprint (&optional arg)
11226 "Print the current article using Muttprint.
11227 If N is a positive number, save the N next articles.
11228 If N is a negative number, save the N previous articles.
11229 If N is nil and any articles have been marked with the process mark,
11230 save those articles instead."
11232 (require 'gnus-art)
11233 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11234 (gnus-summary-save-article arg t)))
11236 (defun gnus-summary-pipe-message (program)
11237 "Pipe the current article through PROGRAM."
11238 (interactive "sProgram: ")
11239 (gnus-summary-select-article)
11240 (let ((mail-header-separator ""))
11241 (gnus-eval-in-buffer-window gnus-article-buffer
11244 (let ((start (window-start))
11246 (message-pipe-buffer-body program)
11247 (set-window-start (get-buffer-window (current-buffer)) start))))))
11249 (defun gnus-get-split-value (methods)
11250 "Return a value based on the split METHODS."
11251 (let (split-name method result match)
11254 (set-buffer gnus-original-article-buffer)
11256 (nnheader-narrow-to-headers)
11257 (while (and methods (not split-name))
11258 (goto-char (point-min))
11259 (setq method (pop methods))
11260 (setq match (car method))
11263 ;; Regular expression.
11265 (re-search-forward match nil t)))
11270 (setq result (funcall match gnus-newsgroup-name))))
11275 (setq result (eval match)))))
11276 (setq split-name (cdr method))
11277 (cond ((stringp result)
11278 (push (expand-file-name
11279 result gnus-article-save-directory)
11282 (setq split-name (append result split-name)))))))))
11283 (nreverse split-name)))
11285 (defun gnus-valid-move-group-p (group)
11286 (and (boundp group)
11287 (symbol-name group)
11288 (symbol-value group)
11289 (gnus-get-function (gnus-find-method-for-group
11290 (symbol-name group)) 'request-accept-article t)))
11292 (defun gnus-read-move-group-name (prompt default articles prefix)
11293 "Read a group name."
11294 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11295 (minibuffer-confirm-incomplete nil) ; XEmacs
11299 (if (> (length articles) 1)
11300 (format "these %d articles" (length articles))
11305 (gnus-completing-read-with-default
11308 'gnus-valid-move-group-p
11310 'gnus-group-history))
11311 ((= 1 (length split-name))
11312 (gnus-completing-read-with-default
11313 (car split-name) prom
11315 'gnus-valid-move-group-p
11317 'gnus-group-history))
11319 (gnus-completing-read-with-default
11321 (mapcar 'list (nreverse split-name))
11323 'gnus-group-history))))
11324 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11326 (if (or (string= to-newsgroup "")
11327 (string= to-newsgroup prefix))
11328 (setq to-newsgroup default))
11329 (unless to-newsgroup
11330 (error "No group name entered"))
11331 (or (gnus-active to-newsgroup)
11332 (gnus-activate-group to-newsgroup nil nil to-method)
11333 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11335 (or (and (gnus-request-create-group to-newsgroup to-method)
11336 (gnus-activate-group
11337 to-newsgroup nil nil to-method)
11338 (gnus-subscribe-group to-newsgroup))
11339 (error "Couldn't create group %s" to-newsgroup)))
11340 (error "No such group: %s" to-newsgroup)))
11343 (defun gnus-summary-save-parts (type dir n &optional reverse)
11344 "Save parts matching TYPE to DIR.
11345 If REVERSE, save parts that do not match TYPE."
11347 (list (read-string "Save parts of type: "
11348 (or (car gnus-summary-save-parts-type-history)
11349 gnus-summary-save-parts-default-mime)
11350 'gnus-summary-save-parts-type-history)
11351 (setq gnus-summary-save-parts-last-directory
11352 (read-file-name "Save to directory: "
11353 gnus-summary-save-parts-last-directory
11355 current-prefix-arg))
11356 (gnus-summary-iterate n
11357 (let ((gnus-display-mime-function nil)
11358 (gnus-inhibit-treatment t))
11359 (gnus-summary-select-article))
11361 (set-buffer gnus-article-buffer)
11362 (let ((handles (or gnus-article-mime-handles
11363 (mm-dissect-buffer nil gnus-article-loose-mime)
11364 (and gnus-article-emulate-mime
11365 (mm-uu-dissect)))))
11367 (gnus-summary-save-parts-1 type dir handles reverse)
11368 (unless gnus-article-mime-handles ;; Don't destroy this case.
11369 (mm-destroy-parts handles)))))))
11371 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11372 (if (stringp (car handle))
11373 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11376 (not (string-match type (mm-handle-media-type handle)))
11377 (string-match type (mm-handle-media-type handle)))
11378 (let ((file (expand-file-name
11380 mm-file-name-rewrite-functions
11381 (file-name-nondirectory
11383 (mail-content-type-get
11384 (mm-handle-disposition handle) 'filename)
11385 (mail-content-type-get
11386 (mm-handle-type handle) 'name)
11387 (concat gnus-newsgroup-name
11388 "." (number-to-string
11389 (cdr gnus-article-current))))))
11391 (unless (file-exists-p file)
11392 (mm-save-part-to-file handle file))))))
11394 ;; Summary extract commands
11396 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11397 (let ((buffer-read-only nil)
11398 (article (gnus-summary-article-number))
11400 (unless (gnus-summary-goto-subject article)
11401 (error "No such article: %d" article))
11402 (gnus-summary-position-point)
11403 ;; If all commands are to be bunched up on one line, we collect
11405 (unless gnus-view-pseudos-separately
11406 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11409 (setq action (cdr (assq 'action (car ps))))
11410 (setq files (list (cdr (assq 'name (car ps)))))
11411 (while (and ps (cdr ps)
11412 (string= (or action "1")
11413 (or (cdr (assq 'action (cadr ps))) "2")))
11414 (push (cdr (assq 'name (cadr ps))) files)
11415 (setcdr ps (cddr ps)))
11417 (when (not (string-match "%s" action))
11420 (when (assq 'execute (car ps))
11421 (setcdr (assq 'execute (car ps))
11422 (funcall (if (string-match "%s" action)
11429 (shell-quote-argument f)))
11431 (setq ps (cdr ps)))))
11432 (if (and gnus-view-pseudos (not not-view))
11434 (when (assq 'execute (car pslist))
11435 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11436 (eq gnus-view-pseudos 'not-confirm)))
11437 (setq pslist (cdr pslist)))
11440 (setq after-article (or (cdr (assq 'article (car pslist)))
11441 (gnus-summary-article-number)))
11442 (gnus-summary-goto-subject after-article)
11445 (insert " " (file-name-nondirectory
11446 (cdr (assq 'name (car pslist))))
11447 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11449 (forward-line -1) ; back to `b'
11450 (gnus-add-text-properties
11451 b (1- e) (list 'gnus-number gnus-reffed-article-number
11452 gnus-mouse-face-prop gnus-mouse-face))
11454 after-article gnus-reffed-article-number
11455 gnus-unread-mark b (car pslist) 0 (- e b))
11456 (setq gnus-newsgroup-unreads
11457 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11458 gnus-reffed-article-number))
11459 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11460 (setq pslist (cdr pslist)))))))
11462 (defun gnus-pseudos< (p1 p2)
11463 (let ((c1 (cdr (assq 'action p1)))
11464 (c2 (cdr (assq 'action p2))))
11465 (and c1 c2 (string< c1 c2))))
11467 (defun gnus-request-pseudo-article (props)
11468 (cond ((assq 'execute props)
11469 (gnus-execute-command (cdr (assq 'execute props)))))
11470 (let ((gnus-current-article (gnus-summary-article-number)))
11471 (gnus-run-hooks 'gnus-mark-article-hook)))
11473 (defun gnus-execute-command (command &optional automatic)
11475 (gnus-article-setup-buffer)
11476 (set-buffer gnus-article-buffer)
11477 (setq buffer-read-only nil)
11478 (let ((command (if automatic command
11479 (read-string "Command: " (cons command 0)))))
11481 (insert "$ " command "\n\n")
11482 (if gnus-view-pseudo-asynchronously
11483 (start-process "gnus-execute" (current-buffer) shell-file-name
11484 shell-command-switch command)
11485 (call-process shell-file-name nil t nil
11486 shell-command-switch command)))))
11488 ;; Summary kill commands.
11490 (defun gnus-summary-edit-global-kill (article)
11491 "Edit the \"global\" kill file."
11492 (interactive (list (gnus-summary-article-number)))
11493 (gnus-group-edit-global-kill article))
11495 (defun gnus-summary-edit-local-kill ()
11496 "Edit a local kill file applied to the current newsgroup."
11498 (setq gnus-current-headers (gnus-summary-article-header))
11499 (gnus-group-edit-local-kill
11500 (gnus-summary-article-number) gnus-newsgroup-name))
11502 ;;; Header reading.
11504 (defun gnus-read-header (id &optional header)
11505 "Read the headers of article ID and enter them into the Gnus system."
11506 (let ((group gnus-newsgroup-name)
11507 (gnus-override-method
11509 gnus-override-method
11510 (and (gnus-news-group-p gnus-newsgroup-name)
11511 (car (gnus-refer-article-methods)))))
11513 ;; First we check to see whether the header in question is already
11516 ;; This is a Message-ID.
11517 (setq header (or header (gnus-id-to-header id)))
11518 ;; This is an article number.
11519 (setq header (or header (gnus-summary-article-header id))))
11521 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11522 ;; We have found the header.
11524 ;; We have to really fetch the header to this article.
11526 (set-buffer nntp-server-buffer)
11527 (when (setq where (gnus-request-head id group))
11528 (nnheader-fold-continuation-lines)
11529 (goto-char (point-max))
11531 (goto-char (point-min))
11535 ((cdr where) (cdr where))
11536 (header (mail-header-number header))
11537 (t gnus-reffed-article-number))
11539 (insert " Article retrieved.\n"))
11540 (if (or (not where)
11541 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11542 () ; Malformed head.
11543 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11544 (when (and (stringp id)
11545 (not (string= (gnus-group-real-name group)
11547 ;; If we fetched by Message-ID and the article came
11548 ;; from a different group, we fudge some bogus article
11549 ;; numbers for this article.
11550 (mail-header-set-number header gnus-reffed-article-number))
11552 (set-buffer gnus-summary-buffer)
11553 (decf gnus-reffed-article-number)
11554 (gnus-remove-header (mail-header-number header))
11555 (push header gnus-newsgroup-headers)
11556 (setq gnus-current-headers header)
11557 (push (mail-header-number header) gnus-newsgroup-limit)))
11560 (defun gnus-remove-header (number)
11561 "Remove header NUMBER from `gnus-newsgroup-headers'."
11562 (if (and gnus-newsgroup-headers
11563 (= number (mail-header-number (car gnus-newsgroup-headers))))
11564 (pop gnus-newsgroup-headers)
11565 (let ((headers gnus-newsgroup-headers))
11566 (while (and (cdr headers)
11567 (not (= number (mail-header-number (cadr headers)))))
11569 (when (cdr headers)
11570 (setcdr headers (cddr headers))))))
11573 ;;; summary highlights
11576 (defun gnus-highlight-selected-summary ()
11577 "Highlight selected article in summary buffer."
11578 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11579 (when gnus-summary-selected-face
11581 (let* ((beg (point-at-bol))
11582 (end (point-at-eol))
11583 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11584 (from (if (get-text-property beg gnus-mouse-face-prop)
11586 (or (next-single-property-change
11587 beg gnus-mouse-face-prop nil end)
11592 (or (next-single-property-change
11593 from gnus-mouse-face-prop nil end)
11595 ;; If no mouse-face prop on line we will have to = from = end,
11596 ;; so we highlight the entire line instead.
11597 (when (= (+ to 2) from)
11600 (if gnus-newsgroup-selected-overlay
11601 ;; Move old overlay.
11603 gnus-newsgroup-selected-overlay from to (current-buffer))
11604 ;; Create new overlay.
11606 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11607 'face gnus-summary-selected-face))))))
11609 (defvar gnus-summary-highlight-line-cached nil)
11610 (defvar gnus-summary-highlight-line-trigger nil)
11612 (defun gnus-summary-highlight-line-0 ()
11613 (if (and (eq gnus-summary-highlight-line-trigger
11614 gnus-summary-highlight)
11615 gnus-summary-highlight-line-cached)
11616 gnus-summary-highlight-line-cached
11617 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11618 gnus-summary-highlight-line-cached
11619 (let* ((cond (list 'cond))
11621 (list gnus-summary-highlight))
11623 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11627 (gnus-byte-compile (list 'lambda nil cond))))))
11629 (defun gnus-summary-highlight-line ()
11630 "Highlight current line according to `gnus-summary-highlight'."
11631 (let* ((beg (point-at-bol))
11632 (article (or (gnus-summary-article-number) gnus-current-article))
11633 (score (or (cdr (assq article
11634 gnus-newsgroup-scored))
11635 gnus-summary-default-score 0))
11636 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11637 (inhibit-read-only t)
11638 (default gnus-summary-default-score)
11639 (default-high gnus-summary-default-high-score)
11640 (default-low gnus-summary-default-low-score)
11641 (uncached (and gnus-summary-use-undownloaded-faces
11642 (memq article gnus-newsgroup-undownloaded)
11643 (not (memq article gnus-newsgroup-cached)))))
11644 (let ((face (funcall (gnus-summary-highlight-line-0))))
11645 (unless (eq face (get-text-property beg 'face))
11646 (gnus-put-text-property-excluding-characters-with-faces
11647 beg (point-at-eol) 'face
11648 (setq face (if (boundp face) (symbol-value face) face)))
11649 (when gnus-summary-highlight-line-function
11650 (funcall gnus-summary-highlight-line-function article face))))))
11652 (defun gnus-update-read-articles (group unread &optional compute)
11653 "Update the list of read articles in GROUP.
11654 UNREAD is a sorted list."
11655 (let ((active (or gnus-newsgroup-active (gnus-active group)))
11656 (info (gnus-get-info group))
11659 (if (or (not info) (not active))
11660 ;; There is no info on this group if it was, in fact,
11661 ;; killed. Gnus stores no information on killed groups, so
11662 ;; there's nothing to be done.
11663 ;; One could store the information somewhere temporarily,
11664 ;; perhaps... Hmmm...
11666 ;; Remove any negative articles numbers.
11667 (while (and unread (< (car unread) 0))
11668 (setq unread (cdr unread)))
11669 ;; Remove any expired article numbers
11670 (while (and unread (< (car unread) (car active)))
11671 (setq unread (cdr unread)))
11672 ;; Compute the ranges of read articles by looking at the list of
11673 ;; unread articles.
11675 (when (/= (car unread) prev)
11676 (push (if (= prev (1- (car unread))) prev
11677 (cons prev (1- (car unread))))
11679 (setq prev (1+ (car unread)))
11680 (setq unread (cdr unread)))
11681 (when (<= prev (cdr active))
11682 (push (cons prev (cdr active)) read))
11683 (setq read (if (> (length read) 1) (nreverse read) read))
11688 ;; Propagate the read marks to the backend.
11689 (when (gnus-check-backend-function 'request-set-mark group)
11690 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11691 (add (gnus-remove-from-range read (gnus-info-read info))))
11693 (unless (gnus-check-group group)
11694 (error "Can't open server for %s" group))
11695 (gnus-request-set-mark
11696 group (delq nil (list (if add (list add 'add '(read)))
11697 (if del (list del 'del '(read))))))
11699 `(gnus-request-set-mark
11702 (if del (list del 'add '(read)))
11703 (if add (list add 'del '(read))))))))))
11704 (set-buffer gnus-group-buffer)
11705 (gnus-undo-register
11707 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11708 (gnus-info-set-read ',info ',(gnus-info-read info))
11709 (gnus-get-unread-articles-in-group ',info
11710 (gnus-active ,group))
11711 (gnus-group-update-group ,group t)
11713 ;; Enter this list into the group info.
11714 (gnus-info-set-read info read)
11715 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11716 (gnus-get-unread-articles-in-group info (gnus-active group))
11719 (defun gnus-offer-save-summaries ()
11720 "Offer to save all active summary buffers."
11722 ;; Go through all buffers and find all summaries.
11723 (dolist (buffer (buffer-list))
11724 (when (and (setq buffer (buffer-name buffer))
11725 (string-match "Summary" buffer)
11726 (with-current-buffer buffer
11727 ;; We check that this is, indeed, a summary buffer.
11728 (and (eq major-mode 'gnus-summary-mode)
11729 ;; Also make sure this isn't bogus.
11730 gnus-newsgroup-prepared
11731 ;; Also make sure that this isn't a
11732 ;; dead summary buffer.
11733 (not gnus-dead-summary-mode))))
11734 (push buffer buffers)))
11735 ;; Go through all these summary buffers and offer to save them.
11739 "Update summary buffer %s? "
11741 (switch-to-buffer buf)
11742 (gnus-summary-exit))
11746 ;;; @ for mime-partial
11749 (defun gnus-request-partial-message ()
11751 (let ((number (gnus-summary-article-number))
11752 (group gnus-newsgroup-name)
11753 (mother gnus-article-buffer))
11754 (set-buffer (get-buffer-create " *Partial Article*"))
11756 (setq mime-preview-buffer mother)
11757 (gnus-request-article-this-buffer number group)
11758 (mime-parse-buffer)
11761 (autoload 'mime-combine-message/partial-pieces-automatically
11763 "Internal method to combine message/partial messages automatically.")
11765 (mime-add-condition
11766 'action '((type . message)(subtype . partial)
11767 (major-mode . gnus-original-article-mode)
11768 (method . mime-combine-message/partial-pieces-automatically)
11769 (summary-buffer-exp . gnus-summary-buffer)
11770 (request-partial-message-method . gnus-request-partial-message)
11774 ;;; @ for message/rfc822
11777 (defun gnus-mime-extract-message/rfc822 (entity situation)
11778 "Burst a forwarded article."
11780 (set-buffer gnus-summary-buffer)
11781 (let* ((group (completing-read "Group: " gnus-active-hashtb nil t
11782 gnus-newsgroup-name 'gnus-group-history))
11783 (gnus-group-marked (list group))
11786 (mime-insert-entity-content entity)
11787 (setq article (gnus-request-accept-article group)))
11788 (when (and (consp article)
11789 (numberp (setq article (cdr article))))
11790 (setq info (gnus-get-info group))
11791 (gnus-info-set-read info
11792 (gnus-remove-from-range (gnus-info-read info)
11794 (when (string-equal group gnus-newsgroup-name)
11796 (let (gnus-show-threads)
11797 (gnus-summary-goto-subject article t))
11798 (gnus-summary-clear-mark-forward 1))
11799 (set-buffer gnus-group-buffer)
11800 (gnus-group-get-new-news-this-group nil t)))))
11802 (mime-add-condition
11803 'action '((type . message)(subtype . rfc822)
11804 (major-mode . gnus-original-article-mode)
11805 (method . gnus-mime-extract-message/rfc822)
11809 (mime-add-condition
11810 'action '((type . message)(subtype . news)
11811 (major-mode . gnus-original-article-mode)
11812 (method . gnus-mime-extract-message/rfc822)
11816 (defun gnus-mime-extract-multipart (entity situation)
11817 (let ((children (mime-entity-children entity))
11818 mime-acting-situation-to-override
11821 (mime-play-entity (car children)
11822 (cons (assq 'mode situation)
11823 mime-acting-situation-to-override))
11824 (setq children (cdr children)))
11825 (if (setq f (cdr (assq 'after-method
11826 mime-acting-situation-to-override)))
11830 (mime-add-condition
11831 'action '((type . multipart)
11832 (method . gnus-mime-extract-multipart)
11841 (defun gnus-summary-inherit-default-charset ()
11842 "Import `default-mime-charset' from summary buffer.
11843 Also take care of `default-mime-charset-unlimited' if the LIMIT version
11845 (if (buffer-live-p gnus-summary-buffer)
11846 (let (d-m-c d-m-c-u)
11847 (with-current-buffer gnus-summary-buffer
11848 (setq d-m-c (if (local-variable-p 'default-mime-charset
11849 gnus-summary-buffer)
11850 default-mime-charset
11853 d-m-c-u (if (local-variable-p 'default-mime-charset-unlimited
11854 gnus-summary-buffer)
11855 (symbol-value 'default-mime-charset-unlimited)
11858 (kill-local-variable 'default-mime-charset)
11859 (set (make-local-variable 'default-mime-charset) d-m-c))
11861 (kill-local-variable 'default-mime-charset-unlimited)
11862 (set (make-local-variable 'default-mime-charset-unlimited)
11865 (defun gnus-summary-setup-default-charset ()
11866 "Setup newsgroup default charset."
11867 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11869 (setq gnus-newsgroup-charset nil)
11870 (set (make-local-variable 'default-mime-charset) nil)
11871 (when (boundp 'default-mime-charset-unlimited);; LIMIT
11872 (set (make-local-variable 'default-mime-charset-unlimited) nil)))
11873 (let ((ignored-charsets
11874 (or gnus-newsgroup-ephemeral-ignored-charsets
11876 (and gnus-newsgroup-name
11877 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11878 gnus-newsgroup-ignored-charsets)))
11880 (setq gnus-newsgroup-charset
11881 (or gnus-newsgroup-ephemeral-charset
11882 (when (and gnus-newsgroup-name
11883 (setq charset (gnus-parameter-charset
11884 gnus-newsgroup-name)))
11885 (make-local-variable 'default-mime-charset)
11886 (setq default-mime-charset charset))
11887 gnus-default-charset))
11888 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11889 ignored-charsets))))
11895 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11896 "Display the current article buffer fully MIME-buttonized.
11897 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11898 treated as multipart/mixed."
11900 (require 'gnus-art)
11901 (let ((gnus-unbuttonized-mime-types nil)
11902 (gnus-mime-display-multipart-as-mixed show-all-parts))
11903 (gnus-summary-show-article)))
11905 (defun gnus-summary-repair-multipart (article)
11906 "Add a Content-Type header to a multipart article without one."
11907 (interactive (list (gnus-summary-article-number)))
11908 (gnus-with-article article
11909 (message-narrow-to-head)
11910 (message-remove-header "Mime-Version")
11911 (goto-char (point-max))
11912 (insert "Mime-Version: 1.0\n")
11914 (when (search-forward "\n--" nil t)
11915 (let ((separator (buffer-substring (point) (point-at-eol))))
11916 (message-narrow-to-head)
11917 (message-remove-header "Content-Type")
11918 (goto-char (point-max))
11919 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11922 (let (gnus-mark-article-hook)
11923 (gnus-summary-select-article t t nil article)))
11925 (defun gnus-summary-toggle-display-buttonized ()
11926 "Toggle the buttonizing of the article buffer."
11928 (require 'gnus-art)
11929 (if (setq gnus-inhibit-mime-unbuttonizing
11930 (not gnus-inhibit-mime-unbuttonizing))
11931 (let ((gnus-unbuttonized-mime-types nil))
11932 (gnus-summary-show-article))
11933 (gnus-summary-show-article)))
11936 ;;; Intelli-mouse commmands
11939 (defun gnus-wheel-summary-scroll (event)
11941 (let ((amount (if (memq 'shift (event-modifiers event))
11942 (car gnus-wheel-scroll-amount)
11943 (cdr gnus-wheel-scroll-amount)))
11944 (direction (- (* (static-if (featurep 'xemacs)
11945 (event-button event)
11946 (cond ((eq 'mouse-4 (event-basic-type event))
11948 ((eq 'mouse-5 (event-basic-type event))
11952 (gnus-summary-scroll-up (* amount direction))
11953 (when (gnus-eval-in-buffer-window gnus-article-buffer
11956 (and (if (< 0 direction)
11957 (gnus-article-next-page 0)
11958 (gnus-article-prev-page 0)
11960 (if (setq edge (get-text-property
11961 (point-min) 'gnus-wheel-edge))
11962 (setq edge (* edge direction))
11965 (let ((buffer-read-only nil)
11966 (inhibit-read-only t))
11967 (put-text-property (point-min) (point-max)
11968 'gnus-wheel-edge direction)
11970 (or (> edge gnus-wheel-edge-resistance)
11971 (let ((buffer-read-only nil)
11972 (inhibit-read-only t))
11973 (put-text-property (point-min) (point-max)
11975 (* (1+ edge) direction))
11977 (eq last-command 'gnus-wheel-summary-scroll))))
11978 (gnus-summary-next-article nil nil (minusp direction)))))
11980 (defun gnus-wheel-install ()
11981 "Enable mouse wheel support on summary window."
11982 (when gnus-use-wheel
11984 '([(mouse-4)] [(shift mouse-4)] [(mouse-5)] [(shift mouse-5)])))
11986 (define-key gnus-summary-mode-map key
11987 'gnus-wheel-summary-scroll)))))
11989 (add-hook 'gnus-summary-mode-hook 'gnus-wheel-install)
11992 ;;; Traditional PGP commmands
11995 (defun gnus-summary-decrypt-article (&optional force)
11996 "Decrypt the current article in traditional PGP way.
11997 This will have permanent effect only in mail groups.
11998 If FORCE is non-nil, allow editing of articles even in read-only
12001 (gnus-summary-select-article t)
12002 (gnus-eval-in-buffer-window gnus-article-buffer
12006 (goto-char (point-min))
12007 (unless (re-search-forward (car pgg-armor-header-lines) nil t)
12008 (error "Not a traditional PGP message!"))
12009 (let ((armor-start (match-beginning 0)))
12010 (if (and (pgg-decrypt-region armor-start (point-max))
12011 (or force (not (gnus-group-read-only-p))))
12012 (let ((inhibit-read-only t)
12014 (delete-region armor-start
12016 (re-search-forward "^-+END PGP" nil t)
12017 (beginning-of-line 2)
12019 (insert-buffer-substring pgg-output-buffer))))))))
12021 (defun gnus-summary-verify-article ()
12022 "Verify the current article in traditional PGP way."
12025 (set-buffer gnus-original-article-buffer)
12026 (goto-char (point-min))
12027 (unless (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE" nil t)
12028 (error "Not a traditional PGP message!"))
12029 (re-search-forward "^-+END PGP" nil t)
12030 (beginning-of-line 2)
12031 (call-interactively (function pgg-verify-region))))
12034 ;;; Generic summary marking commands
12037 (defvar gnus-summary-marking-alist
12038 '((read gnus-del-mark "d")
12039 (unread gnus-unread-mark "u")
12040 (ticked gnus-ticked-mark "!")
12041 (dormant gnus-dormant-mark "?")
12042 (expirable gnus-expirable-mark "e"))
12043 "An alist of names/marks/keystrokes.")
12045 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12046 (defvar gnus-summary-mark-map)
12048 (defun gnus-summary-make-all-marking-commands ()
12049 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12050 (dolist (elem gnus-summary-marking-alist)
12051 (apply 'gnus-summary-make-marking-command elem)))
12053 (defun gnus-summary-make-marking-command (name mark keystroke)
12054 (let ((map (make-sparse-keymap)))
12055 (define-key gnus-summary-generic-mark-map keystroke map)
12056 (dolist (lway `((next "next" next nil "n")
12057 (next-unread "next unread" next t "N")
12058 (prev "previous" prev nil "p")
12059 (prev-unread "previous unread" prev t "P")
12060 (nomove "" nil nil ,keystroke)))
12061 (let ((func (gnus-summary-make-marking-command-1
12062 mark (car lway) lway name)))
12063 (setq func (eval func))
12064 (define-key map (nth 4 lway) func)))))
12066 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12068 (format "gnus-summary-put-mark-as-%s%s"
12069 name (if (eq way 'nomove)
12071 (concat "-" (symbol-name way)))))
12074 "Mark the current article as %s%s.
12075 If N, the prefix, then repeat N times.
12076 If N is negative, move in reverse order.
12077 The difference between N and the actual number of articles marked is
12079 name (car (cdr lway)))
12081 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12083 (defun gnus-summary-generic-mark (n mark move unread)
12084 "Mark N articles with MARK."
12085 (unless (eq major-mode 'gnus-summary-mode)
12086 (error "This command can only be used in the summary buffer"))
12087 (gnus-summary-show-thread)
12090 ((eq move 'next) 1)
12091 ((eq move 'prev) -1)
12093 (if (zerop nummove)
12097 nummove (* -1 nummove))))
12098 (while (and (> n 0)
12099 (gnus-summary-mark-article nil mark)
12100 (zerop (gnus-summary-next-subject nummove unread t)))
12103 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12104 (gnus-summary-recenter)
12105 (gnus-summary-position-point)
12106 (gnus-set-mode-line 'summary)
12109 (defun gnus-summary-insert-articles (articles)
12110 (when (setq articles
12111 (gnus-sorted-difference articles
12112 (mapcar (lambda (h)
12113 (mail-header-number h))
12114 gnus-newsgroup-headers)))
12115 (setq gnus-newsgroup-headers
12117 gnus-newsgroup-headers
12118 (gnus-fetch-headers articles)
12119 'gnus-article-sort-by-number))
12120 ;; Suppress duplicates?
12121 (when gnus-suppress-duplicates
12122 (gnus-dup-suppress-articles))
12124 ;; We might want to build some more threads first.
12125 (when (and gnus-fetch-old-headers
12126 (eq gnus-headers-retrieved-by 'nov))
12127 (if (eq gnus-fetch-old-headers 'invisible)
12128 (gnus-build-all-threads)
12129 (gnus-build-old-threads)))
12130 ;; Let the Gnus agent mark articles as read.
12132 (gnus-agent-get-undownloaded-list))
12133 ;; Remove list identifiers from subject
12134 (when gnus-list-identifiers
12135 (gnus-summary-remove-list-identifiers))
12136 ;; First and last article in this newsgroup.
12137 (when gnus-newsgroup-headers
12138 (setq gnus-newsgroup-begin
12139 (mail-header-number (car gnus-newsgroup-headers))
12141 (mail-header-number
12142 (gnus-last-element gnus-newsgroup-headers))))
12143 (when gnus-use-scoring
12144 (gnus-possibly-score-headers))))
12146 (defun gnus-summary-insert-old-articles (&optional all)
12147 "Insert all old articles in this group.
12148 If ALL is non-nil, already read articles become readable.
12149 If ALL is a number, fetch this number of articles."
12152 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12155 ;; Some nntp servers lie about their active range. When
12156 ;; this happens, the active range can be in the millions.
12157 ;; Use a compressed range to avoid creating a huge list.
12158 (gnus-range-difference (list gnus-newsgroup-active) old))
12159 (setq len (gnus-range-length older))
12164 (let ((older-range (nreverse older)))
12168 (let* ((r (pop older-range))
12169 (min (if (numberp r) r (car r)))
12170 (max (if (numberp r) r (cdr r))))
12171 (while (and (<= min max)
12176 (setq older (gnus-uncompress-range older))))
12178 (setq older (gnus-uncompress-range older)))
12180 (when (and (numberp gnus-large-newsgroup)
12181 (> len gnus-large-newsgroup))
12182 (let* ((cursor-in-echo-area nil)
12183 (initial (gnus-parameter-large-newsgroup-initial
12184 gnus-newsgroup-name))
12188 "How many articles from %s (%s %d): "
12190 (gnus-group-decoded-name gnus-newsgroup-name) 35)
12191 (if initial "max" "default")
12194 (cons (number-to-string initial)
12196 (unless (string-match "^[ \t]*$" input)
12197 (setq all (string-to-number input))
12199 (let ((older-range (nreverse older)))
12203 (let* ((r (pop older-range))
12204 (min (if (numberp r) r (car r)))
12205 (max (if (numberp r) r (cdr r))))
12206 (while (and (<= min max)
12210 max (1- max))))))))))
12211 (setq older (gnus-uncompress-range older))))
12213 (message "No old news.")
12214 (gnus-summary-insert-articles older)
12215 (gnus-summary-limit (gnus-sorted-nunion old older))))
12216 (gnus-summary-position-point)))
12218 (defun gnus-summary-insert-new-articles ()
12219 "Insert all new articles in this group."
12222 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12223 (old-active gnus-newsgroup-active)
12224 (nnmail-fetched-sources (list t))
12226 (setq gnus-newsgroup-active
12227 (gnus-activate-group gnus-newsgroup-name 'scan))
12228 (setq i (cdr gnus-newsgroup-active))
12229 (while (> i (cdr old-active))
12233 (message "No gnus is bad news")
12234 (gnus-summary-insert-articles new)
12235 (setq gnus-newsgroup-unreads
12236 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12237 (gnus-summary-limit (gnus-sorted-nunion old new))))
12238 (gnus-summary-position-point)))
12240 (gnus-summary-make-all-marking-commands)
12242 (gnus-ems-redefine)
12244 (provide 'gnus-sum)
12246 (run-hooks 'gnus-sum-load-hook)
12248 ;; Local Variables:
12249 ;; coding: iso-8859-1
12252 ;;; gnus-sum.el ends here