1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
8 ;; Keywords: mail, news, MIME
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
33 (defvar tool-bar-map))
49 (autoload 'pgg-decrypt-region "pgg" nil t)
50 (autoload 'pgg-verify-region "pgg" nil t))
52 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
53 (autoload 'gnus-cache-write-active "gnus-cache")
54 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
55 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
56 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
57 (autoload 'mm-uu-dissect "mm-uu")
58 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
59 "Deuglify broken Outlook (Express) articles and redisplay."
61 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
62 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
63 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
65 (defcustom gnus-kill-summary-on-exit t
66 "*If non-nil, kill the summary buffer when you exit from it.
67 If nil, the summary will become a \"*Dead Summary*\" buffer, and
68 it will be killed sometime later."
69 :group 'gnus-summary-exit
72 (defcustom gnus-fetch-old-headers nil
73 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
74 If an unread article in the group refers to an older, already read (or
75 just marked as read) article, the old article will not normally be
76 displayed in the Summary buffer. If this variable is non-nil, Gnus
77 will attempt to grab the headers to the old articles, and thereby
78 build complete threads. If it has the value `some', only enough
79 headers to connect otherwise loose threads will be displayed. This
80 variable can also be a number. In that case, no more than that number
81 of old headers will be fetched. If it has the value `invisible', all
82 old headers will be fetched, but none will be displayed.
84 The server has to support NOV for any of this to work."
86 :type '(choice (const :tag "off" nil)
89 (sexp :menu-tag "other" t)))
91 (defcustom gnus-refer-thread-limit 200
92 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
93 If t, fetch all the available old headers."
96 (sexp :menu-tag "other" t)))
98 (defcustom gnus-summary-make-false-root 'adopt
99 "*nil means that Gnus won't gather loose threads.
100 If the root of a thread has expired or been read in a previous
101 session, the information necessary to build a complete thread has been
102 lost. Instead of having many small sub-threads from this original thread
103 scattered all over the summary buffer, Gnus can gather them.
105 If non-nil, Gnus will try to gather all loose sub-threads from an
106 original thread into one large thread.
108 If this variable is non-nil, it should be one of `none', `adopt',
111 If this variable is `none', Gnus will not make a false root, but just
112 present the sub-threads after another.
113 If this variable is `dummy', Gnus will create a dummy root that will
114 have all the sub-threads as children.
115 If this variable is `adopt', Gnus will make one of the \"children\"
116 the parent and mark all the step-children as such.
117 If this variable is `empty', the \"children\" are printed with empty
118 subject fields. (Or rather, they will be printed with a string
119 given by the `gnus-summary-same-subject' variable.)"
121 :type '(choice (const :tag "off" nil)
127 (defcustom gnus-summary-make-false-root-always nil
128 "Always make a false dummy root."
132 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
133 "*A regexp to match subjects to be excluded from loose thread gathering.
134 As loose thread gathering is done on subjects only, that means that
135 there can be many false gatherings performed. By rooting out certain
136 common subjects, gathering might become saner."
140 (defcustom gnus-summary-gather-subject-limit nil
141 "*Maximum length of subject comparisons when gathering loose threads.
142 Use nil to compare full subjects. Setting this variable to a low
143 number will help gather threads that have been corrupted by
144 newsreaders chopping off subject lines, but it might also mean that
145 unrelated articles that have subject that happen to begin with the
146 same few characters will be incorrectly gathered.
148 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
151 :type '(choice (const :tag "off" nil)
153 (sexp :menu-tag "on" t)))
155 (defcustom gnus-simplify-subject-functions nil
156 "List of functions taking a string argument that simplify subjects.
157 The functions are applied recursively.
159 Useful functions to put in this list include:
160 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
161 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
163 :type '(repeat function))
165 (defcustom gnus-simplify-ignored-prefixes nil
166 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
168 :type '(choice (const :tag "off" nil)
171 (defcustom gnus-build-sparse-threads nil
172 "*If non-nil, fill in the gaps in threads.
173 If `some', only fill in the gaps that are needed to tie loose threads
174 together. If `more', fill in all leaf nodes that Gnus can find. If
175 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
177 :type '(choice (const :tag "off" nil)
180 (sexp :menu-tag "all" t)))
182 (defcustom gnus-summary-thread-gathering-function
183 'gnus-gather-threads-by-subject
184 "*Function used for gathering loose threads.
185 There are two pre-defined functions: `gnus-gather-threads-by-subject',
186 which only takes Subjects into consideration; and
187 `gnus-gather-threads-by-references', which compared the References
188 headers of the articles to find matches."
190 :type '(radio (function-item gnus-gather-threads-by-subject)
191 (function-item gnus-gather-threads-by-references)
192 (function :tag "other")))
194 (defcustom gnus-summary-same-subject ""
195 "*String indicating that the current article has the same subject as the previous.
196 This variable will only be used if the value of
197 `gnus-summary-make-false-root' is `empty'."
198 :group 'gnus-summary-format
201 (defcustom gnus-summary-goto-unread t
202 "*If t, many commands will go to the next unread article.
203 This applies to marking commands as well as other commands that
204 \"naturally\" select the next article, like, for instance, `SPC' at
205 the end of an article.
207 If nil, the marking commands do NOT go to the next unread article
208 \(they go to the next article instead). If `never', commands that
209 usually go to the next unread article, will go to the next article,
210 whether it is read or not."
211 :group 'gnus-summary-marks
212 :link '(custom-manual "(gnus)Setting Marks")
213 :type '(choice (const :tag "off" nil)
215 (sexp :menu-tag "on" t)))
217 (defcustom gnus-summary-default-score 0
218 "*Default article score level.
219 All scores generated by the score files will be added to this score.
220 If this variable is nil, scoring will be disabled."
221 :group 'gnus-score-default
222 :type '(choice (const :tag "disable")
225 (defcustom gnus-summary-default-high-score 0
226 "*Default threshold for a high scored article.
227 An article will be highlighted as high scored if its score is greater
229 :group 'gnus-score-default
232 (defcustom gnus-summary-default-low-score 0
233 "*Default threshold for a low scored article.
234 An article will be highlighted as low scored if its score is smaller
236 :group 'gnus-score-default
239 (defcustom gnus-summary-zcore-fuzz 0
240 "*Fuzziness factor for the zcore in the summary buffer.
241 Articles with scores closer than this to `gnus-summary-default-score'
243 :group 'gnus-summary-format
246 (defcustom gnus-simplify-subject-fuzzy-regexp nil
247 "*Strings to be removed when doing fuzzy matches.
248 This can either be a regular expression or list of regular expressions
249 that will be removed from subject strings if fuzzy subject
250 simplification is selected."
252 :type '(repeat regexp))
254 (defcustom gnus-show-threads t
255 "*If non-nil, display threads in summary mode."
259 (defcustom gnus-thread-hide-subtree nil
260 "*If non-nil, hide all threads initially.
261 This can be a predicate specifier which says which threads to hide.
262 If threads are hidden, you have to run the command
263 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
264 to expose hidden threads."
266 :type '(radio (sexp :format "Non-nil\n"
267 :match (lambda (widget value)
268 (not (or (consp value) (functionp value))))
271 (sexp :tag "Predicate specifier" :size 0)))
273 (defcustom gnus-thread-hide-killed t
274 "*If non-nil, hide killed threads automatically."
278 (defcustom gnus-thread-ignore-subject t
279 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
280 If nil, articles that have different subjects from their parents will
281 start separate threads."
285 (defcustom gnus-thread-operation-ignore-subject t
286 "*If non-nil, subjects will be ignored when doing thread commands.
287 This affects commands like `gnus-summary-kill-thread' and
288 `gnus-summary-lower-thread'.
290 If this variable is nil, articles in the same thread with different
291 subjects will not be included in the operation in question. If this
292 variable is `fuzzy', only articles that have subjects that are fuzzily
293 equal will be included."
295 :type '(choice (const :tag "off" nil)
299 (defcustom gnus-thread-indent-level 4
300 "*Number that says how much each sub-thread should be indented."
304 (defcustom gnus-auto-extend-newsgroup t
305 "*If non-nil, extend newsgroup forward and backward when requested."
306 :group 'gnus-summary-choose
309 (defcustom gnus-auto-select-first t
310 "*If non-nil, select the article under point.
311 Which article this is is controlled by the `gnus-auto-select-subject'
314 If you want to prevent automatic selection of articles in some
315 newsgroups, set the variable to nil in `gnus-select-group-hook'."
316 :group 'gnus-group-select
317 :type '(choice (const :tag "none" nil)
318 (sexp :menu-tag "first" t)))
320 (defcustom gnus-auto-select-subject 'unread
321 "*Says what subject to place under point when entering a group.
323 This variable can either be the symbols `first' (place point on the
324 first subject), `unread' (place point on the subject line of the first
325 unread article), `best' (place point on the subject line of the
326 higest-scored article), `unseen' (place point on the subject line of
327 the first unseen article), 'unseen-or-unread' (place point on the subject
328 line of the first unseen article or, if all article have been seen, on the
329 subject line of the first unread article), or a function to be called to
330 place point on some subject line."
331 :group 'gnus-group-select
332 :type '(choice (const best)
336 (const unseen-or-unread)))
338 (defcustom gnus-dont-select-after-jump-to-other-group nil
339 "If non-nil, don't select the first unread article after entering the
340 other group by the command `gnus-summary-jump-to-other-group'. If nil,
341 it is depend on the value of `gnus-auto-select-first' whether to select
343 :group 'gnus-group-select
346 (defcustom gnus-auto-select-next t
347 "*If non-nil, offer to go to the next group from the end of the previous.
348 If the value is t and the next newsgroup is empty, Gnus will exit
349 summary mode and go back to group mode. If the value is neither nil
350 nor t, Gnus will select the following unread newsgroup. In
351 particular, if the value is the symbol `quietly', the next unread
352 newsgroup will be selected without any confirmation, and if it is
353 `almost-quietly', the next group will be selected without any
354 confirmation if you are located on the last article in the group.
355 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
356 will go to the next group without confirmation."
357 :group 'gnus-summary-maneuvering
358 :type '(choice (const :tag "off" nil)
360 (const almost-quietly)
361 (const slightly-quietly)
362 (sexp :menu-tag "on" t)))
364 (defcustom gnus-auto-select-same nil
365 "*If non-nil, select the next article with the same subject.
366 If there are no more articles with the same subject, go to
367 the first unread article."
368 :group 'gnus-summary-maneuvering
371 (defcustom gnus-auto-goto-ignores 'unfetched
372 "*Says how to handle unfetched articles when maneuvering.
374 This variable can either be the symbols nil (maneuver to any
375 article), `undownloaded' (maneuvering while unplugged ignores articles
376 that have not been fetched), `always-undownloaded' (maneuvering always
377 ignores articles that have not been fetched), `unfetched' (maneuvering
378 ignores articles whose headers have not been fetched).
380 NOTE: The list of unfetched articles will always be nil when plugged
381 and, when unplugged, a subset of the undownloaded article list."
382 :group 'gnus-summary-maneuvering
383 :type '(choice (const :tag "None" nil)
384 (const :tag "Undownloaded when unplugged" undownloaded)
385 (const :tag "Undownloaded" always-undownloaded)
386 (const :tag "Unfetched" unfetched)))
388 (defcustom gnus-summary-check-current nil
389 "*If non-nil, consider the current article when moving.
390 The \"unread\" movement commands will stay on the same line if the
391 current article is unread."
392 :group 'gnus-summary-maneuvering
395 (defcustom gnus-auto-center-summary t
396 "*If non-nil, always center the current summary buffer.
397 In particular, if `vertical' do only vertical recentering. If non-nil
398 and non-`vertical', do both horizontal and vertical recentering."
399 :group 'gnus-summary-maneuvering
400 :type '(choice (const :tag "none" nil)
402 (integer :tag "height")
403 (sexp :menu-tag "both" t)))
405 (defvar gnus-auto-center-group t
406 "*If non-nil, always center the group buffer.")
408 (defcustom gnus-show-all-headers nil
409 "*If non-nil, don't hide any headers."
410 :group 'gnus-article-hiding
411 :group 'gnus-article-headers
414 (defcustom gnus-summary-ignore-duplicates nil
415 "*If non-nil, ignore articles with identical Message-ID headers."
419 (defcustom gnus-single-article-buffer t
420 "*If non-nil, display all articles in the same buffer.
421 If nil, each group will get its own article buffer."
422 :group 'gnus-article-various
425 (defcustom gnus-break-pages t
426 "*If non-nil, do page breaking on articles.
427 The page delimiter is specified by the `gnus-page-delimiter'
429 :group 'gnus-article-various
432 (defcustom gnus-show-mime t
433 "*If non-nil, do mime processing of articles.
434 The articles will simply be fed to the function given by
435 `gnus-article-display-method-for-mime'."
436 :group 'gnus-article-mime
439 (defcustom gnus-move-split-methods nil
440 "*Variable used to suggest where articles are to be moved to.
441 It uses the same syntax as the `gnus-split-methods' variable.
442 However, whereas `gnus-split-methods' specifies file names as targets,
443 this variable specifies group names."
444 :group 'gnus-summary-mail
445 :type '(repeat (choice (list :value (fun) function)
446 (cons :value ("" "") regexp (repeat string))
449 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
450 "Function used to compute default prefix for article move/copy/etc prompts.
451 The function should take one argument, a group name, and return a
452 string with the suggested prefix."
453 :group 'gnus-summary-mail
456 (defcustom gnus-unread-mark ?\ ;;;Whitespace
457 "*Mark used for unread articles."
458 :group 'gnus-summary-marks
461 (defcustom gnus-ticked-mark ?!
462 "*Mark used for ticked articles."
463 :group 'gnus-summary-marks
466 (defcustom gnus-dormant-mark ??
467 "*Mark used for dormant articles."
468 :group 'gnus-summary-marks
471 (defcustom gnus-del-mark ?r
472 "*Mark used for del'd articles."
473 :group 'gnus-summary-marks
476 (defcustom gnus-read-mark ?R
477 "*Mark used for read articles."
478 :group 'gnus-summary-marks
481 (defcustom gnus-expirable-mark ?E
482 "*Mark used for expirable articles."
483 :group 'gnus-summary-marks
486 (defcustom gnus-killed-mark ?K
487 "*Mark used for killed articles."
488 :group 'gnus-summary-marks
491 (defcustom gnus-spam-mark ?$
492 "*Mark used for spam articles."
493 :group 'gnus-summary-marks
496 (defcustom gnus-souped-mark ?F
497 "*Mark used for souped articles."
498 :group 'gnus-summary-marks
501 (defcustom gnus-kill-file-mark ?X
502 "*Mark used for articles killed by kill files."
503 :group 'gnus-summary-marks
506 (defcustom gnus-low-score-mark ?Y
507 "*Mark used for articles with a low score."
508 :group 'gnus-summary-marks
511 (defcustom gnus-catchup-mark ?C
512 "*Mark used for articles that are caught up."
513 :group 'gnus-summary-marks
516 (defcustom gnus-replied-mark ?A
517 "*Mark used for articles that have been replied to."
518 :group 'gnus-summary-marks
521 (defcustom gnus-forwarded-mark ?F
522 "*Mark used for articles that have been forwarded."
523 :group 'gnus-summary-marks
526 (defcustom gnus-recent-mark ?N
527 "*Mark used for articles that are recent."
528 :group 'gnus-summary-marks
531 (defcustom gnus-cached-mark ?*
532 "*Mark used for articles that are in the cache."
533 :group 'gnus-summary-marks
536 (defcustom gnus-saved-mark ?S
537 "*Mark used for articles that have been saved."
538 :group 'gnus-summary-marks
541 (defcustom gnus-unseen-mark ?.
542 "*Mark used for articles that haven't been seen."
543 :group 'gnus-summary-marks
546 (defcustom gnus-no-mark ?\ ;;;Whitespace
547 "*Mark used for articles that have no other secondary mark."
548 :group 'gnus-summary-marks
551 (defcustom gnus-ancient-mark ?O
552 "*Mark used for ancient articles."
553 :group 'gnus-summary-marks
556 (defcustom gnus-sparse-mark ?Q
557 "*Mark used for sparsely reffed articles."
558 :group 'gnus-summary-marks
561 (defcustom gnus-canceled-mark ?G
562 "*Mark used for canceled articles."
563 :group 'gnus-summary-marks
566 (defcustom gnus-duplicate-mark ?M
567 "*Mark used for duplicate articles."
568 :group 'gnus-summary-marks
571 (defcustom gnus-undownloaded-mark ?-
572 "*Mark used for articles that weren't downloaded."
573 :group 'gnus-summary-marks
576 (defcustom gnus-downloaded-mark ?+
577 "*Mark used for articles that were downloaded."
578 :group 'gnus-summary-marks
581 (defcustom gnus-downloadable-mark ?%
582 "*Mark used for articles that are to be downloaded."
583 :group 'gnus-summary-marks
586 (defcustom gnus-unsendable-mark ?=
587 "*Mark used for articles that won't be sent."
588 :group 'gnus-summary-marks
591 (defcustom gnus-score-over-mark ?+
592 "*Score mark used for articles with high scores."
593 :group 'gnus-summary-marks
596 (defcustom gnus-score-below-mark ?-
597 "*Score mark used for articles with low scores."
598 :group 'gnus-summary-marks
601 (defcustom gnus-empty-thread-mark ?\ ;;;Whitespace
602 "*There is no thread under the article."
603 :group 'gnus-summary-marks
606 (defcustom gnus-not-empty-thread-mark ?=
607 "*There is a thread under the article."
608 :group 'gnus-summary-marks
611 (defcustom gnus-view-pseudo-asynchronously nil
612 "*If non-nil, Gnus will view pseudo-articles asynchronously."
613 :group 'gnus-extract-view
616 (defcustom gnus-auto-expirable-marks
617 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
618 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
619 gnus-souped-mark gnus-duplicate-mark)
620 "*The list of marks converted into expiration if a group is auto-expirable."
623 :type '(repeat character))
625 (defcustom gnus-inhibit-user-auto-expire t
626 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
631 (defcustom gnus-view-pseudos nil
632 "*If `automatic', pseudo-articles will be viewed automatically.
633 If `not-confirm', pseudos will be viewed automatically, and the user
634 will not be asked to confirm the command."
635 :group 'gnus-extract-view
636 :type '(choice (const :tag "off" nil)
638 (const not-confirm)))
640 (defcustom gnus-view-pseudos-separately t
641 "*If non-nil, one pseudo-article will be created for each file to be viewed.
642 If nil, all files that use the same viewing command will be given as a
643 list of parameters to that command."
644 :group 'gnus-extract-view
647 (defcustom gnus-insert-pseudo-articles t
648 "*If non-nil, insert pseudo-articles when decoding articles."
649 :group 'gnus-extract-view
652 (defcustom gnus-summary-dummy-line-format
654 "*The format specification for the dummy roots in the summary buffer.
655 It works along the same lines as a normal formatting string,
656 with some simple extensions.
660 General format specifiers can also be used.
661 See `(gnus)Formatting Variables'."
662 :link '(custom-manual "(gnus)Formatting Variables")
663 :group 'gnus-threading
666 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
667 "*The format specification for the summary mode line.
668 It works along the same lines as a normal formatting string,
669 with some simple extensions:
672 %p Unprefixed group name
673 %A Current article number
674 %z Current article score
676 %U Number of unread articles in the group
677 %e Number of unselected articles in the group
678 %Z A string with unread/unselected article counts
679 %g Shortish group name
680 %S Subject of the current article
682 %s Current score file name
683 %d Number of dormant articles
684 %r Number of articles that have been marked as read in this session
685 %E Number of articles expunged by the score files"
686 :group 'gnus-summary-format
689 (defcustom gnus-list-identifiers nil
690 "Regexp that matches list identifiers to be removed from subject.
691 This can also be a list of regexps."
693 :group 'gnus-summary-format
694 :group 'gnus-article-hiding
695 :type '(choice (const :tag "none" nil)
697 (repeat :value (".*") regexp)))
699 (defcustom gnus-summary-mark-below 0
700 "*Mark all articles with a score below this variable as read.
701 This variable is local to each summary buffer and usually set by the
703 :group 'gnus-score-default
706 (defun gnus-widget-reversible-match (widget value)
707 "Ignoring WIDGET, convert VALUE to internal form.
708 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
712 (eq (length value) 2)
713 (eq (nth 0 value) 'not)
714 (symbolp (nth 1 value)))))
716 (defun gnus-widget-reversible-to-internal (widget value)
717 "Ignoring WIDGET, convert VALUE to internal form.
718 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
719 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
723 (list (nth 1 value) t)))
725 (defun gnus-widget-reversible-to-external (widget value)
726 "Ignoring WIDGET, convert VALUE to external form.
727 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
728 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
731 (list 'not (nth 0 value))
734 (define-widget 'gnus-widget-reversible 'group
735 "A `group' that convert values."
736 :match 'gnus-widget-reversible-match
737 :value-to-internal 'gnus-widget-reversible-to-internal
738 :value-to-external 'gnus-widget-reversible-to-external)
741 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
742 "*List of functions used for sorting articles in the summary buffer.
744 Each function takes two articles and returns non-nil if the first
745 article should be sorted before the other. If you use more than one
746 function, the primary sort function should be the last. You should
747 probably always include `gnus-article-sort-by-number' in the list of
748 sorting functions -- preferably first. Also note that sorting by date
749 is often much slower than sorting by number, and the sorting order is
750 very similar. (Sorting by date means sorting by the time the message
751 was sent, sorting by number means sorting by arrival time.)
753 Each item can also be a list `(not F)' where F is a function;
754 this reverses the sort order.
756 Ready-made functions include `gnus-article-sort-by-number',
757 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
758 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
759 and `gnus-article-sort-by-score'.
761 When threading is turned on, the variable `gnus-thread-sort-functions'
762 controls how articles are sorted."
763 :group 'gnus-summary-sort
764 :type '(repeat (gnus-widget-reversible
765 (choice (function-item gnus-article-sort-by-number)
766 (function-item gnus-article-sort-by-author)
767 (function-item gnus-article-sort-by-subject)
768 (function-item gnus-article-sort-by-date)
769 (function-item gnus-article-sort-by-score)
770 (function-item gnus-article-sort-by-random)
771 (function :tag "other"))
772 (boolean :tag "Reverse order"))))
775 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
776 "*List of functions used for sorting threads in the summary buffer.
777 By default, threads are sorted by article number.
779 Each function takes two threads and returns non-nil if the first
780 thread should be sorted before the other. If you use more than one
781 function, the primary sort function should be the last. You should
782 probably always include `gnus-thread-sort-by-number' in the list of
783 sorting functions -- preferably first. Also note that sorting by date
784 is often much slower than sorting by number, and the sorting order is
785 very similar. (Sorting by date means sorting by the time the message
786 was sent, sorting by number means sorting by arrival time.)
788 Each list item can also be a list `(not F)' where F is a
789 function; this specifies reversed sort order.
791 Ready-made functions include `gnus-thread-sort-by-number',
792 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
793 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
794 `gnus-thread-sort-by-most-recent-number',
795 `gnus-thread-sort-by-most-recent-date',
796 `gnus-thread-sort-by-random', and
797 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
799 When threading is turned off, the variable
800 `gnus-article-sort-functions' controls how articles are sorted."
801 :group 'gnus-summary-sort
803 (gnus-widget-reversible
804 (choice (function-item gnus-thread-sort-by-number)
805 (function-item gnus-thread-sort-by-author)
806 (function-item gnus-thread-sort-by-subject)
807 (function-item gnus-thread-sort-by-date)
808 (function-item gnus-thread-sort-by-score)
809 (function-item gnus-thread-sort-by-most-recent-number)
810 (function-item gnus-thread-sort-by-most-recent-date)
811 (function-item gnus-thread-sort-by-random)
812 (function-item gnus-thread-sort-by-total-score)
813 (function :tag "other"))
814 (boolean :tag "Reverse order"))))
816 (defcustom gnus-thread-score-function '+
817 "*Function used for calculating the total score of a thread.
819 The function is called with the scores of the article and each
820 subthread and should then return the score of the thread.
822 Some functions you can use are `+', `max', or `min'."
823 :group 'gnus-summary-sort
826 (defcustom gnus-summary-expunge-below nil
827 "All articles that have a score less than this variable will be expunged.
828 This variable is local to the summary buffers."
829 :group 'gnus-score-default
830 :type '(choice (const :tag "off" nil)
833 (defcustom gnus-thread-expunge-below nil
834 "All threads that have a total score less than this variable will be expunged.
835 See `gnus-thread-score-function' for en explanation of what a
838 This variable is local to the summary buffers."
839 :group 'gnus-threading
840 :group 'gnus-score-default
841 :type '(choice (const :tag "off" nil)
844 (defcustom gnus-summary-mode-hook nil
845 "*A hook for Gnus summary mode.
846 This hook is run before any variables are set in the summary buffer."
847 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
848 :group 'gnus-summary-various
851 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
852 (when (featurep 'xemacs)
853 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
854 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
855 (add-hook 'gnus-summary-mode-hook
856 'gnus-xmas-switch-horizontal-scrollbar-off))
858 (defcustom gnus-summary-menu-hook nil
859 "*Hook run after the creation of the summary mode menu."
860 :group 'gnus-summary-visual
863 (defcustom gnus-summary-exit-hook nil
864 "*A hook called on exit from the summary buffer.
865 It will be called with point in the group buffer."
866 :group 'gnus-summary-exit
869 (defcustom gnus-summary-prepare-hook nil
870 "*A hook called after the summary buffer has been generated.
871 If you want to modify the summary buffer, you can use this hook."
872 :group 'gnus-summary-various
875 (defcustom gnus-summary-prepared-hook nil
876 "*A hook called as the last thing after the summary buffer has been generated."
877 :group 'gnus-summary-various
880 (defcustom gnus-summary-generate-hook nil
881 "*A hook run just before generating the summary buffer.
882 This hook is commonly used to customize threading variables and the
884 :group 'gnus-summary-various
887 (defcustom gnus-select-group-hook nil
888 "*A hook called when a newsgroup is selected.
890 If you'd like to simplify subjects like the
891 `gnus-summary-next-same-subject' command does, you can use the
894 (add-hook gnus-select-group-hook
896 (mapcar (lambda (header)
897 (mail-header-set-subject
899 (gnus-simplify-subject
900 (mail-header-subject header) 're-only)))
901 gnus-newsgroup-headers)))"
902 :group 'gnus-group-select
905 (defcustom gnus-select-article-hook nil
906 "*A hook called when an article is selected."
907 :group 'gnus-summary-choose
908 :options '(gnus-agent-fetch-selected-article)
911 (defcustom gnus-visual-mark-article-hook
912 (list 'gnus-highlight-selected-summary)
913 "*Hook run after selecting an article in the summary buffer.
914 It is meant to be used for highlighting the article in some way. It
915 is not run if `gnus-visual' is nil."
916 :group 'gnus-summary-visual
919 (defcustom gnus-parse-headers-hook '(gnus-summary-inherit-default-charset)
920 "*A hook called before parsing the headers."
924 (defcustom gnus-exit-group-hook nil
925 "*A hook called when exiting summary mode.
926 This hook is not called from the non-updating exit commands like `Q'."
930 (defcustom gnus-summary-update-hook
931 (list 'gnus-summary-highlight-line)
932 "*A hook called when a summary line is changed.
933 The hook will not be called if `gnus-visual' is nil.
935 The default function `gnus-summary-highlight-line' will
936 highlight the line according to the `gnus-summary-highlight'
938 :group 'gnus-summary-visual
941 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
942 "*A hook called when an article is selected for the first time.
943 The hook is intended to mark an article as read (or unread)
944 automatically when it is selected."
945 :group 'gnus-summary-choose
948 (defcustom gnus-group-no-more-groups-hook nil
949 "*A hook run when returning to group mode having no more (unread) groups."
950 :group 'gnus-group-select
953 (defcustom gnus-ps-print-hook nil
954 "*A hook run before ps-printing something from Gnus."
958 (defcustom gnus-summary-article-move-hook nil
959 "*A hook called after an article is moved, copied, respooled, or crossposted."
963 (defcustom gnus-summary-article-delete-hook nil
964 "*A hook called after an article is deleted."
968 (defcustom gnus-summary-article-expire-hook nil
969 "*A hook called after an article is expired."
973 (defcustom gnus-summary-display-arrow
974 (and (fboundp 'display-graphic-p)
976 "*If non-nil, display an arrow highlighting the current article."
981 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
982 "Face used for highlighting the current article in the summary buffer."
983 :group 'gnus-summary-visual
986 (defvar gnus-tmp-downloaded nil)
988 (defcustom gnus-summary-highlight
989 '(((eq mark gnus-canceled-mark)
990 . gnus-summary-cancelled-face)
991 ((and uncached (> score default-high))
992 . gnus-summary-high-undownloaded-face)
993 ((and uncached (< score default-low))
994 . gnus-summary-low-undownloaded-face)
996 . gnus-summary-normal-undownloaded-face)
997 ((and (> score default-high)
998 (or (eq mark gnus-dormant-mark)
999 (eq mark gnus-ticked-mark)))
1000 . gnus-summary-high-ticked-face)
1001 ((and (< score default-low)
1002 (or (eq mark gnus-dormant-mark)
1003 (eq mark gnus-ticked-mark)))
1004 . gnus-summary-low-ticked-face)
1005 ((or (eq mark gnus-dormant-mark)
1006 (eq mark gnus-ticked-mark))
1007 . gnus-summary-normal-ticked-face)
1008 ((and (> score default-high) (eq mark gnus-ancient-mark))
1009 . gnus-summary-high-ancient-face)
1010 ((and (< score default-low) (eq mark gnus-ancient-mark))
1011 . gnus-summary-low-ancient-face)
1012 ((eq mark gnus-ancient-mark)
1013 . gnus-summary-normal-ancient-face)
1014 ((and (> score default-high) (eq mark gnus-unread-mark))
1015 . gnus-summary-high-unread-face)
1016 ((and (< score default-low) (eq mark gnus-unread-mark))
1017 . gnus-summary-low-unread-face)
1018 ((eq mark gnus-unread-mark)
1019 . gnus-summary-normal-unread-face)
1020 ((> score default-high)
1021 . gnus-summary-high-read-face)
1022 ((< score default-low)
1023 . gnus-summary-low-read-face)
1025 . gnus-summary-normal-read-face))
1026 "*Controls the highlighting of summary buffer lines.
1028 A list of (FORM . FACE) pairs. When deciding how a a particular
1029 summary line should be displayed, each form is evaluated. The content
1030 of the face field after the first true form is used. You can change
1031 how those summary lines are displayed, by editing the face field.
1033 You can use the following variables in the FORM field.
1035 score: The article's score
1036 default: The default article score.
1037 default-high: The default score for high scored articles.
1038 default-low: The default score for low scored articles.
1039 below: The score below which articles are automatically marked as read.
1040 mark: The article's mark.
1041 uncached: Non-nil if the article is uncached."
1042 :group 'gnus-summary-visual
1043 :type '(repeat (cons (sexp :tag "Form" nil)
1046 (defcustom gnus-alter-header-function nil
1047 "Function called to allow alteration of article header structures.
1048 The function is called with one parameter, the article header vector,
1049 which it may alter in any way."
1050 :type '(choice (const :tag "None" nil)
1052 :group 'gnus-summary)
1054 (defvar gnus-decode-encoded-word-function
1055 (mime-find-field-decoder 'From 'nov)
1056 "Variable that says which function should be used to decode a string with encoded words.")
1058 (defcustom gnus-extra-headers '(To Newsgroups)
1059 "*Extra headers to parse."
1061 :group 'gnus-summary
1062 :type '(repeat symbol))
1064 (defcustom gnus-ignored-from-addresses
1065 (and user-mail-address (regexp-quote user-mail-address))
1066 "*Regexp of From headers that may be suppressed in favor of To headers."
1068 :group 'gnus-summary
1071 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1072 "List of charsets that should be ignored.
1073 When these charsets are used in the \"charset\" parameter, the
1074 default charset will be used instead."
1076 :type '(repeat symbol)
1077 :group 'gnus-charset)
1079 (gnus-define-group-parameter
1083 "Return the ignored charsets of GROUP."
1084 :variable gnus-group-ignored-charsets-alist
1086 '(("alt\\.chinese\\.text" iso-8859-1))
1088 "Alist of regexps (to match group names) and charsets that should be ignored.
1089 When these charsets are used in the \"charset\" parameter, the
1090 default charset will be used instead."
1091 :variable-group gnus-charset
1092 :variable-type '(repeat (cons (regexp :tag "Group")
1094 :parameter-type '(choice :tag "Ignored charsets"
1097 :parameter-document "\
1098 List of charsets that should be ignored.
1100 When these charsets are used in the \"charset\" parameter, the
1101 default charset will be used instead.")
1103 (defcustom gnus-group-highlight-words-alist nil
1104 "Alist of group regexps and highlight regexps.
1105 This variable uses the same syntax as `gnus-emphasis-alist'."
1107 :type '(repeat (cons (regexp :tag "Group")
1108 (repeat (list (regexp :tag "Highlight regexp")
1109 (number :tag "Group for entire word" 0)
1110 (number :tag "Group for displayed part" 0)
1112 gnus-emphasis-highlight-words)))))
1113 :group 'gnus-summary-visual)
1115 (defcustom gnus-use-wheel nil
1116 "Use Intelli-mouse on summary movement"
1118 :group 'gnus-summary-maneuvering)
1120 (defcustom gnus-wheel-scroll-amount '(5 . 1)
1121 "Amount to scroll messages by spinning the mouse wheel.
1122 This is actually a cons cell, where the first item is the amount to scroll
1123 on a normal wheel event, and the second is the amount to scroll when the
1124 wheel is moved with the shift key depressed."
1125 :type '(cons (integer :tag "Shift") integer)
1126 :group 'gnus-summary-maneuvering)
1128 (defcustom gnus-wheel-edge-resistance 2
1129 "How hard it should be to change the current article
1130 by moving the mouse over the edge of the article window."
1132 :group 'gnus-summary-maneuvering)
1134 (defcustom gnus-summary-show-article-charset-alist
1136 "Alist of number and charset.
1137 The article will be shown with the charset corresponding to the
1139 For example: ((1 . cn-gb-2312) (2 . big5))."
1141 :type '(repeat (cons (number :tag "Argument" 1)
1142 (symbol :tag "Charset")))
1143 :group 'gnus-charset)
1145 (defcustom gnus-preserve-marks t
1146 "Whether marks are preserved when moving, copying and respooling messages."
1149 :group 'gnus-summary-marks)
1151 (defcustom gnus-alter-articles-to-read-function nil
1152 "Function to be called to alter the list of articles to be selected."
1153 :type '(choice (const nil) function)
1154 :group 'gnus-summary)
1156 (defcustom gnus-orphan-score nil
1157 "*All orphans get this score added. Set in the score file."
1158 :group 'gnus-score-default
1159 :type '(choice (const nil)
1162 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1163 "*A regexp to match MIME parts when saving multiple parts of a
1164 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1165 This regexp will be used by default when prompting the user for which
1166 type of files to save."
1167 :group 'gnus-summary
1170 (defcustom gnus-read-all-available-headers nil
1171 "Whether Gnus should parse all headers made available to it.
1172 This is mostly relevant for slow back ends where the user may
1173 wish to widen the summary buffer to include all headers
1174 that were fetched. Say, for nnultimate groups."
1175 :group 'gnus-summary
1176 :type '(choice boolean regexp))
1178 (defcustom gnus-summary-muttprint-program "muttprint"
1179 "Command (and optional arguments) used to run Muttprint."
1181 :group 'gnus-summary
1184 (defcustom gnus-article-loose-mime nil
1185 "If non-nil, don't require MIME-Version header.
1186 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1187 supply the MIME-Version header or deliberately strip it From the mail.
1188 Set it to non-nil, Gnus will treat some articles as MIME even if
1189 the MIME-Version header is missed."
1192 :group 'gnus-article-mime)
1194 (defcustom gnus-article-emulate-mime t
1195 "If non-nil, use MIME emulation for uuencode and the like.
1196 This means that Gnus will search message bodies for text that look
1197 like uuencoded bits, yEncoded bits, and so on, and present that using
1198 the normal Gnus MIME machinery."
1200 :group 'gnus-article-mime)
1202 ;;; Internal variables
1204 (defvar gnus-summary-display-cache nil)
1205 (defvar gnus-article-mime-handles nil)
1206 (defvar gnus-article-decoded-p nil)
1207 (defvar gnus-article-charset nil)
1208 (defvar gnus-article-ignored-charsets nil)
1209 (defvar gnus-scores-exclude-files nil)
1210 (defvar gnus-page-broken nil)
1212 (defvar gnus-original-article nil)
1213 (defvar gnus-article-internal-prepare-hook nil)
1214 (defvar gnus-newsgroup-process-stack nil)
1216 (defvar gnus-thread-indent-array nil)
1217 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1218 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1219 "Function called to sort the articles within a thread after it has been gathered together.")
1221 (defvar gnus-summary-save-parts-type-history nil)
1222 (defvar gnus-summary-save-parts-last-directory nil)
1224 ;; Avoid highlighting in kill files.
1225 (defvar gnus-summary-inhibit-highlight nil)
1226 (defvar gnus-newsgroup-selected-overlay nil)
1227 (defvar gnus-inhibit-limiting nil)
1228 (defvar gnus-newsgroup-adaptive-score-file nil)
1229 (defvar gnus-current-score-file nil)
1230 (defvar gnus-current-move-group nil)
1231 (defvar gnus-current-copy-group nil)
1232 (defvar gnus-current-crosspost-group nil)
1233 (defvar gnus-newsgroup-display nil)
1235 (defvar gnus-newsgroup-dependencies nil)
1236 (defvar gnus-newsgroup-adaptive nil)
1237 (defvar gnus-summary-display-article-function nil)
1238 (defvar gnus-summary-highlight-line-function nil
1239 "Function called after highlighting a summary line.")
1241 (defvar gnus-summary-line-format-alist
1242 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1243 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1244 (?s gnus-tmp-subject-or-nil ?s)
1245 (?n gnus-tmp-name ?s)
1246 (?A (std11-address-string
1247 (car (mime-entity-read-field gnus-tmp-header 'From))) ?s)
1248 (?a (or (std11-full-name-string
1249 (car (mime-entity-read-field gnus-tmp-header 'From)))
1251 (?F gnus-tmp-from ?s)
1252 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1253 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1254 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1255 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1256 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1257 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1258 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1259 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1260 (?L gnus-tmp-lines ?s)
1261 (?O gnus-tmp-downloaded ?c)
1262 (?I gnus-tmp-indentation ?s)
1263 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1264 (?R gnus-tmp-replied ?c)
1265 (?\[ gnus-tmp-opening-bracket ?c)
1266 (?\] gnus-tmp-closing-bracket ?c)
1267 (?\> (make-string gnus-tmp-level ? ) ?s)
1268 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1269 (?i gnus-tmp-score ?d)
1270 (?z gnus-tmp-score-char ?c)
1271 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1272 (?U gnus-tmp-unread ?c)
1273 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1275 (?t (gnus-summary-number-of-articles-in-thread
1276 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1278 (?e (gnus-summary-number-of-articles-in-thread
1279 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1281 (?u gnus-tmp-user-defined ?s)
1282 (?P (gnus-pick-line-number) ?d)
1283 (?B gnus-tmp-thread-tree-header-string ?s)
1284 (user-date (gnus-user-date
1285 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1286 "An alist of format specifications that can appear in summary lines.
1287 These are paired with what variables they correspond with, along with
1288 the type of the variable (string, integer, character, etc).")
1290 (defvar gnus-summary-dummy-line-format-alist
1291 `((?S gnus-tmp-subject ?s)
1292 (?N gnus-tmp-number ?d)
1293 (?u gnus-tmp-user-defined ?s)))
1295 (defvar gnus-summary-mode-line-format-alist
1296 `((?G gnus-tmp-group-name ?s)
1297 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1298 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1299 (?A gnus-tmp-article-number ?d)
1300 (?Z gnus-tmp-unread-and-unselected ?s)
1301 (?V gnus-version ?s)
1302 (?U gnus-tmp-unread-and-unticked ?d)
1303 (?S gnus-tmp-subject ?s)
1304 (?e gnus-tmp-unselected ?d)
1305 (?u gnus-tmp-user-defined ?s)
1306 (?d (length gnus-newsgroup-dormant) ?d)
1307 (?t (length gnus-newsgroup-marked) ?d)
1308 (?h (length gnus-newsgroup-spam-marked) ?d)
1309 (?r (length gnus-newsgroup-reads) ?d)
1310 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1311 (?E gnus-newsgroup-expunged-tally ?d)
1312 (?s (gnus-current-score-file-nondirectory) ?s)))
1314 (defvar gnus-last-search-regexp nil
1315 "Default regexp for article search command.")
1317 (defvar gnus-summary-search-article-matched-data nil
1318 "Last matched data of article search command. It is the local variable
1319 in `gnus-article-buffer' which consists of the list of start position,
1320 end position and text.")
1322 (defvar gnus-last-shell-command nil
1323 "Default shell command on article.")
1325 (defvar gnus-newsgroup-agentized nil
1326 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1327 (defvar gnus-newsgroup-begin nil)
1328 (defvar gnus-newsgroup-end nil)
1329 (defvar gnus-newsgroup-last-rmail nil)
1330 (defvar gnus-newsgroup-last-mail nil)
1331 (defvar gnus-newsgroup-last-folder nil)
1332 (defvar gnus-newsgroup-last-file nil)
1333 (defvar gnus-newsgroup-auto-expire nil)
1334 (defvar gnus-newsgroup-active nil)
1336 (defvar gnus-newsgroup-data nil)
1337 (defvar gnus-newsgroup-data-reverse nil)
1338 (defvar gnus-newsgroup-limit nil)
1339 (defvar gnus-newsgroup-limits nil)
1340 (defvar gnus-summary-use-undownloaded-faces nil)
1342 (defvar gnus-newsgroup-unreads nil
1343 "Sorted list of unread articles in the current newsgroup.")
1345 (defvar gnus-newsgroup-unselected nil
1346 "Sorted list of unselected unread articles in the current newsgroup.")
1348 (defvar gnus-newsgroup-reads nil
1349 "Alist of read articles and article marks in the current newsgroup.")
1351 (defvar gnus-newsgroup-expunged-tally nil)
1353 (defvar gnus-newsgroup-marked nil
1354 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1356 (defvar gnus-newsgroup-spam-marked nil
1357 "List of ranges of articles that have been marked as spam.")
1359 (defvar gnus-newsgroup-killed nil
1360 "List of ranges of articles that have been through the scoring process.")
1362 (defvar gnus-newsgroup-cached nil
1363 "Sorted list of articles that come from the article cache.")
1365 (defvar gnus-newsgroup-saved nil
1366 "List of articles that have been saved.")
1368 (defvar gnus-newsgroup-kill-headers nil)
1370 (defvar gnus-newsgroup-replied nil
1371 "List of articles that have been replied to in the current newsgroup.")
1373 (defvar gnus-newsgroup-forwarded nil
1374 "List of articles that have been forwarded in the current newsgroup.")
1376 (defvar gnus-newsgroup-recent nil
1377 "List of articles that have are recent in the current newsgroup.")
1379 (defvar gnus-newsgroup-expirable nil
1380 "Sorted list of articles in the current newsgroup that can be expired.")
1382 (defvar gnus-newsgroup-processable nil
1383 "List of articles in the current newsgroup that can be processed.")
1385 (defvar gnus-newsgroup-downloadable nil
1386 "Sorted list of articles in the current newsgroup that can be processed.")
1388 (defvar gnus-newsgroup-unfetched nil
1389 "Sorted list of articles in the current newsgroup whose headers have
1390 not been fetched into the agent.
1392 This list will always be a subset of gnus-newsgroup-undownloaded.")
1394 (defvar gnus-newsgroup-undownloaded nil
1395 "List of articles in the current newsgroup that haven't been downloaded.")
1397 (defvar gnus-newsgroup-unsendable nil
1398 "List of articles in the current newsgroup that won't be sent.")
1400 (defvar gnus-newsgroup-bookmarks nil
1401 "List of articles in the current newsgroup that have bookmarks.")
1403 (defvar gnus-newsgroup-dormant nil
1404 "Sorted list of dormant articles in the current newsgroup.")
1406 (defvar gnus-newsgroup-unseen nil
1407 "List of unseen articles in the current newsgroup.")
1409 (defvar gnus-newsgroup-seen nil
1410 "Range of seen articles in the current newsgroup.")
1412 (defvar gnus-newsgroup-articles nil
1413 "List of articles in the current newsgroup.")
1415 (defvar gnus-newsgroup-scored nil
1416 "List of scored articles in the current newsgroup.")
1418 (defvar gnus-newsgroup-incorporated nil
1419 "List of incorporated articles in the current newsgroup.")
1421 (defvar gnus-newsgroup-headers nil
1422 "List of article headers in the current newsgroup.")
1424 (defvar gnus-newsgroup-threads nil)
1426 (defvar gnus-newsgroup-prepared nil
1427 "Whether the current group has been prepared properly.")
1429 (defvar gnus-newsgroup-ancient nil
1430 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1432 (defvar gnus-newsgroup-sparse nil)
1434 (defvar gnus-current-article nil)
1435 (defvar gnus-article-current nil)
1436 (defvar gnus-current-headers nil)
1437 (defvar gnus-have-all-headers nil)
1438 (defvar gnus-last-article nil)
1439 (defvar gnus-newsgroup-history nil)
1440 (defvar gnus-newsgroup-charset nil)
1441 (defvar gnus-newsgroup-ephemeral-charset nil)
1442 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1444 (defvar gnus-article-before-search nil)
1446 (defvar gnus-summary-local-variables
1447 '(gnus-newsgroup-name
1448 gnus-newsgroup-begin gnus-newsgroup-end
1449 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1450 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1451 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1452 gnus-newsgroup-unselected gnus-newsgroup-marked
1453 gnus-newsgroup-spam-marked
1454 gnus-newsgroup-reads gnus-newsgroup-saved
1455 gnus-newsgroup-replied gnus-newsgroup-forwarded
1456 gnus-newsgroup-recent
1457 gnus-newsgroup-expirable
1458 gnus-newsgroup-processable gnus-newsgroup-killed
1459 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1460 gnus-newsgroup-unfetched
1461 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1462 gnus-newsgroup-seen gnus-newsgroup-articles
1463 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1464 gnus-newsgroup-headers gnus-newsgroup-threads
1465 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1466 gnus-current-article gnus-current-headers gnus-have-all-headers
1467 gnus-last-article gnus-article-internal-prepare-hook
1468 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1469 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1470 gnus-thread-expunge-below
1471 gnus-score-alist gnus-current-score-file
1472 (gnus-summary-expunge-below . global)
1473 (gnus-summary-mark-below . global)
1474 (gnus-orphan-score . global)
1475 gnus-newsgroup-active gnus-scores-exclude-files
1476 gnus-newsgroup-history gnus-newsgroup-ancient
1477 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1478 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1479 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1480 (gnus-newsgroup-expunged-tally . 0)
1481 gnus-cache-removable-articles gnus-newsgroup-cached
1482 gnus-newsgroup-data gnus-newsgroup-data-reverse
1483 gnus-newsgroup-limit gnus-newsgroup-limits
1484 gnus-newsgroup-charset gnus-newsgroup-display
1485 gnus-summary-use-undownloaded-faces
1486 gnus-newsgroup-incorporated)
1487 "Variables that are buffer-local to the summary buffers.")
1489 (defvar gnus-newsgroup-variables nil
1490 "A list of variables that have separate values in different newsgroups.
1491 A list of newsgroup (summary buffer) local variables, or cons of
1492 variables and their default expressions to be evalled (when the default
1493 values are not nil), that should be made global while the summary buffer
1496 Note: The default expressions will be evaluated (using function `eval')
1497 before assignment to the local variable rather than just assigned to it.
1498 If the default expression is the symbol `global', that symbol will not
1499 be evaluated but the global value of the local variable will be used
1502 These variables can be used to set variables in the group parameters
1503 while still allowing them to affect operations done in other buffers.
1506 \(setq gnus-newsgroup-variables
1507 '(message-use-followup-to
1508 (gnus-visible-headers .
1509 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1512 ;; Byte-compiler warning.
1514 ;; Bind features so that require will believe that gnus-sum has
1515 ;; already been loaded (avoids infinite recursion)
1516 (let ((features (cons 'gnus-sum features)))
1517 ;; Several of the declarations in gnus-sum are needed to load the
1518 ;; following files. Right now, these definitions have been
1519 ;; compiled but not defined (evaluated). We could either do a
1520 ;; eval-and-compile about all of the declarations or evaluate the
1522 (if (boundp 'gnus-newsgroup-variables)
1524 (load "gnus-sum.el" t t t))
1526 (require 'gnus-agent)
1527 (require 'gnus-art)))
1529 ;; Subject simplification.
1531 (defun gnus-simplify-whitespace (str)
1532 "Remove excessive whitespace from STR."
1534 (while (string-match "[ \t][ \t]+" str)
1535 (setq str (concat (substring str 0 (match-beginning 0))
1537 (substring str (match-end 0)))))
1539 (when (string-match "^[ \t]+" str)
1540 (setq str (substring str (match-end 0))))
1542 (when (string-match "[ \t]+$" str)
1543 (setq str (substring str 0 (match-beginning 0))))
1546 (defun gnus-simplify-all-whitespace (str)
1547 "Remove all whitespace from STR."
1548 (while (string-match "[ \t\n]+" str)
1549 (setq str (replace-match "" nil nil str)))
1552 (defsubst gnus-simplify-subject-re (subject)
1553 "Remove \"Re:\" from subject lines."
1554 (if (string-match message-subject-re-regexp subject)
1555 (substring subject (match-end 0))
1558 (defun gnus-simplify-subject (subject &optional re-only)
1559 "Remove `Re:' and words in parentheses.
1560 If RE-ONLY is non-nil, strip leading `Re:'s only."
1561 (let ((case-fold-search t)) ;Ignore case.
1562 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1563 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1564 (setq subject (substring subject (match-end 0))))
1565 ;; Remove uninteresting prefixes.
1566 (when (and (not re-only)
1567 gnus-simplify-ignored-prefixes
1568 (string-match gnus-simplify-ignored-prefixes subject))
1569 (setq subject (substring subject (match-end 0))))
1570 ;; Remove words in parentheses from end.
1572 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1573 (setq subject (substring subject 0 (match-beginning 0)))))
1574 ;; Return subject string.
1577 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1579 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1580 (goto-char (point-min))
1581 (while (re-search-forward regexp nil t)
1582 (replace-match (or newtext ""))))
1584 (defun gnus-simplify-buffer-fuzzy ()
1585 "Simplify string in the buffer fuzzily.
1586 The string in the accessible portion of the current buffer is simplified.
1587 It is assumed to be a single-line subject.
1588 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1589 matter is removed. Additional things can be deleted by setting
1590 `gnus-simplify-subject-fuzzy-regexp'."
1591 (let ((case-fold-search t)
1593 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1595 (while (not (eq modified-tick (buffer-modified-tick)))
1596 (setq modified-tick (buffer-modified-tick))
1598 ((listp gnus-simplify-subject-fuzzy-regexp)
1599 (mapcar 'gnus-simplify-buffer-fuzzy-step
1600 gnus-simplify-subject-fuzzy-regexp))
1601 (gnus-simplify-subject-fuzzy-regexp
1602 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1603 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1604 (gnus-simplify-buffer-fuzzy-step
1605 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1606 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1608 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1609 (gnus-simplify-buffer-fuzzy-step " +" " ")
1610 (gnus-simplify-buffer-fuzzy-step " $")
1611 (gnus-simplify-buffer-fuzzy-step "^ +")))
1613 (defun gnus-simplify-subject-fuzzy (subject)
1614 "Simplify a subject string fuzzily.
1615 See `gnus-simplify-buffer-fuzzy' for details."
1617 (gnus-set-work-buffer)
1618 (let ((case-fold-search t))
1619 ;; Remove uninteresting prefixes.
1620 (when (and gnus-simplify-ignored-prefixes
1621 (string-match gnus-simplify-ignored-prefixes subject))
1622 (setq subject (substring subject (match-end 0))))
1624 (inline (gnus-simplify-buffer-fuzzy))
1627 (defsubst gnus-simplify-subject-fully (subject)
1628 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1630 (gnus-simplify-subject-functions
1631 (gnus-map-function gnus-simplify-subject-functions subject))
1632 ((null gnus-summary-gather-subject-limit)
1633 (gnus-simplify-subject-re subject))
1634 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1635 (gnus-simplify-subject-fuzzy subject))
1636 ((numberp gnus-summary-gather-subject-limit)
1637 (gnus-limit-string (gnus-simplify-subject-re subject)
1638 gnus-summary-gather-subject-limit))
1642 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1643 "Check whether two subjects are equal.
1644 If optional argument SIMPLE-FIRST is t, first argument is already
1647 ((null simple-first)
1648 (equal (gnus-simplify-subject-fully s1)
1649 (gnus-simplify-subject-fully s2)))
1652 (gnus-simplify-subject-fully s2)))))
1654 (defun gnus-summary-bubble-group ()
1655 "Increase the score of the current group.
1656 This is a handy function to add to `gnus-summary-exit-hook' to
1657 increase the score of each group you read."
1658 (gnus-group-add-score gnus-newsgroup-name))
1662 ;;; Gnus summary mode
1665 (put 'gnus-summary-mode 'mode-class 'special)
1667 (defvar gnus-article-commands-menu)
1669 ;; Non-orthogonal keys
1671 (gnus-define-keys gnus-summary-mode-map
1672 " " gnus-summary-next-page
1673 "\177" gnus-summary-prev-page
1674 [delete] gnus-summary-prev-page
1675 [backspace] gnus-summary-prev-page
1676 "\r" gnus-summary-scroll-up
1677 "\M-\r" gnus-summary-scroll-down
1678 "n" gnus-summary-next-unread-article
1679 "p" gnus-summary-prev-unread-article
1680 "N" gnus-summary-next-article
1681 "P" gnus-summary-prev-article
1682 "\M-\C-n" gnus-summary-next-same-subject
1683 "\M-\C-p" gnus-summary-prev-same-subject
1684 "\M-n" gnus-summary-next-unread-subject
1685 "\M-p" gnus-summary-prev-unread-subject
1686 "." gnus-summary-first-unread-article
1687 "," gnus-summary-best-unread-article
1688 "\M-s" gnus-summary-search-article-forward
1689 "\M-r" gnus-summary-search-article-backward
1690 "<" gnus-summary-beginning-of-article
1691 ">" gnus-summary-end-of-article
1692 "j" gnus-summary-goto-article
1693 "^" gnus-summary-refer-parent-article
1694 "\M-^" gnus-summary-refer-article
1695 "u" gnus-summary-tick-article-forward
1696 "!" gnus-summary-tick-article-forward
1697 "U" gnus-summary-tick-article-backward
1698 "d" gnus-summary-mark-as-read-forward
1699 "D" gnus-summary-mark-as-read-backward
1700 "E" gnus-summary-mark-as-expirable
1701 "\M-u" gnus-summary-clear-mark-forward
1702 "\M-U" gnus-summary-clear-mark-backward
1703 "k" gnus-summary-kill-same-subject-and-select
1704 "\C-k" gnus-summary-kill-same-subject
1705 "\M-\C-k" gnus-summary-kill-thread
1706 "\M-\C-l" gnus-summary-lower-thread
1707 "e" gnus-summary-edit-article
1708 "#" gnus-summary-mark-as-processable
1709 "\M-#" gnus-summary-unmark-as-processable
1710 "\M-\C-t" gnus-summary-toggle-threads
1711 "\M-\C-s" gnus-summary-show-thread
1712 "\M-\C-h" gnus-summary-hide-thread
1713 "\M-\C-f" gnus-summary-next-thread
1714 "\M-\C-b" gnus-summary-prev-thread
1715 [(meta down)] gnus-summary-next-thread
1716 [(meta up)] gnus-summary-prev-thread
1717 "\M-\C-u" gnus-summary-up-thread
1718 "\M-\C-d" gnus-summary-down-thread
1719 "&" gnus-summary-execute-command
1720 "c" gnus-summary-catchup-and-exit
1721 "\C-w" gnus-summary-mark-region-as-read
1722 "\C-t" gnus-summary-toggle-truncation
1723 "?" gnus-summary-mark-as-dormant
1724 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1725 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1726 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1727 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1728 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1729 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1730 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1731 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1732 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1733 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1734 "=" gnus-summary-expand-window
1735 "\C-x\C-s" gnus-summary-reselect-current-group
1736 "\M-g" gnus-summary-rescan-group
1737 "w" gnus-summary-stop-page-breaking
1738 "\C-c\C-r" gnus-summary-caesar-message
1739 "\M-t" gnus-summary-toggle-mime
1740 "f" gnus-summary-followup
1741 "F" gnus-summary-followup-with-original
1742 "C" gnus-summary-cancel-article
1743 "r" gnus-summary-reply
1744 "R" gnus-summary-reply-with-original
1745 "\C-c\C-f" gnus-summary-mail-forward
1746 "o" gnus-summary-save-article
1747 "\C-o" gnus-summary-save-article-mail
1748 "|" gnus-summary-pipe-output
1749 "\M-k" gnus-summary-edit-local-kill
1750 "\M-K" gnus-summary-edit-global-kill
1752 "\C-c\C-d" gnus-summary-describe-group
1753 "q" gnus-summary-exit
1754 "Q" gnus-summary-exit-no-update
1755 "\C-c\C-i" gnus-info-find-node
1756 gnus-mouse-2 gnus-mouse-pick-article
1757 "m" gnus-summary-mail-other-window
1758 "a" gnus-summary-post-news
1759 "i" gnus-summary-news-other-window
1760 "x" gnus-summary-limit-to-unread
1761 "s" gnus-summary-isearch-article
1762 "t" gnus-summary-toggle-header
1763 "g" gnus-summary-show-article
1764 "l" gnus-summary-goto-last-article
1765 "v" gnus-summary-preview-mime-message
1766 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1767 "\C-d" gnus-summary-enter-digest-group
1768 "\M-\C-d" gnus-summary-read-document
1769 "\M-\C-e" gnus-summary-edit-parameters
1770 "\M-\C-a" gnus-summary-customize-parameters
1772 "\C-c\C-n" gnus-namazu-search
1773 "*" gnus-cache-enter-article
1774 "\M-*" gnus-cache-remove-article
1775 "\M-&" gnus-summary-universal-argument
1776 "\C-l" gnus-recenter
1777 "I" gnus-summary-increase-score
1778 "L" gnus-summary-lower-score
1779 "\M-i" gnus-symbolic-argument
1780 "h" gnus-summary-select-article-buffer
1782 "V" gnus-summary-score-map
1783 "X" gnus-uu-extract-map
1784 "S" gnus-summary-send-map)
1786 ;; Sort of orthogonal keymap
1787 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1788 "t" gnus-summary-tick-article-forward
1789 "!" gnus-summary-tick-article-forward
1790 "d" gnus-summary-mark-as-read-forward
1791 "r" gnus-summary-mark-as-read-forward
1792 "c" gnus-summary-clear-mark-forward
1793 " " gnus-summary-clear-mark-forward
1794 "e" gnus-summary-mark-as-expirable
1795 "x" gnus-summary-mark-as-expirable
1796 "?" gnus-summary-mark-as-dormant
1797 "b" gnus-summary-set-bookmark
1798 "B" gnus-summary-remove-bookmark
1799 "#" gnus-summary-mark-as-processable
1800 "\M-#" gnus-summary-unmark-as-processable
1801 "S" gnus-summary-limit-include-expunged
1802 "C" gnus-summary-catchup
1803 "H" gnus-summary-catchup-to-here
1804 "h" gnus-summary-catchup-from-here
1805 "\C-c" gnus-summary-catchup-all
1806 "k" gnus-summary-kill-same-subject-and-select
1807 "K" gnus-summary-kill-same-subject
1808 "P" gnus-uu-mark-map)
1810 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1811 "c" gnus-summary-clear-above
1812 "u" gnus-summary-tick-above
1813 "m" gnus-summary-mark-above
1814 "k" gnus-summary-kill-below)
1816 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1817 "/" gnus-summary-limit-to-subject
1818 "n" gnus-summary-limit-to-articles
1819 "w" gnus-summary-pop-limit
1820 "s" gnus-summary-limit-to-subject
1821 "a" gnus-summary-limit-to-author
1822 "u" gnus-summary-limit-to-unread
1823 "m" gnus-summary-limit-to-marks
1824 "M" gnus-summary-limit-exclude-marks
1825 "v" gnus-summary-limit-to-score
1826 "*" gnus-summary-limit-include-cached
1827 "D" gnus-summary-limit-include-dormant
1828 "T" gnus-summary-limit-include-thread
1829 "d" gnus-summary-limit-exclude-dormant
1830 "t" gnus-summary-limit-to-age
1831 "." gnus-summary-limit-to-unseen
1832 "x" gnus-summary-limit-to-extra
1833 "p" gnus-summary-limit-to-display-predicate
1834 "E" gnus-summary-limit-include-expunged
1835 "c" gnus-summary-limit-exclude-childless-dormant
1836 "C" gnus-summary-limit-mark-excluded-as-read
1837 "o" gnus-summary-insert-old-articles
1838 "N" gnus-summary-insert-new-articles
1839 "r" gnus-summary-limit-to-replied)
1841 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1842 "n" gnus-summary-next-unread-article
1843 "p" gnus-summary-prev-unread-article
1844 "N" gnus-summary-next-article
1845 "P" gnus-summary-prev-article
1846 "\C-n" gnus-summary-next-same-subject
1847 "\C-p" gnus-summary-prev-same-subject
1848 "\M-n" gnus-summary-next-unread-subject
1849 "\M-p" gnus-summary-prev-unread-subject
1850 "f" gnus-summary-first-unread-article
1851 "b" gnus-summary-best-unread-article
1852 "j" gnus-summary-goto-article
1853 "g" gnus-summary-goto-subject
1854 "l" gnus-summary-goto-last-article
1855 "o" gnus-summary-pop-article)
1857 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1858 "k" gnus-summary-kill-thread
1859 "l" gnus-summary-lower-thread
1860 "i" gnus-summary-raise-thread
1861 "T" gnus-summary-toggle-threads
1862 "t" gnus-summary-rethread-current
1863 "^" gnus-summary-reparent-thread
1864 "s" gnus-summary-show-thread
1865 "S" gnus-summary-show-all-threads
1866 "h" gnus-summary-hide-thread
1867 "H" gnus-summary-hide-all-threads
1868 "n" gnus-summary-next-thread
1869 "p" gnus-summary-prev-thread
1870 "u" gnus-summary-up-thread
1871 "o" gnus-summary-top-thread
1872 "d" gnus-summary-down-thread
1873 "#" gnus-uu-mark-thread
1874 "\M-#" gnus-uu-unmark-thread)
1876 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1877 "g" gnus-summary-prepare
1878 "c" gnus-summary-insert-cached-articles
1879 "d" gnus-summary-insert-dormant-articles)
1881 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1882 "c" gnus-summary-catchup-and-exit
1883 "C" gnus-summary-catchup-all-and-exit
1884 "E" gnus-summary-exit-no-update
1885 "J" gnus-summary-jump-to-other-group
1886 "Q" gnus-summary-exit
1887 "Z" gnus-summary-exit
1888 "n" gnus-summary-catchup-and-goto-next-group
1889 "R" gnus-summary-reselect-current-group
1890 "G" gnus-summary-rescan-group
1891 "N" gnus-summary-next-group
1892 "s" gnus-summary-save-newsrc
1893 "P" gnus-summary-prev-group)
1895 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1896 " " gnus-summary-next-page
1897 "n" gnus-summary-next-page
1898 "\177" gnus-summary-prev-page
1899 [delete] gnus-summary-prev-page
1900 "p" gnus-summary-prev-page
1901 "\r" gnus-summary-scroll-up
1902 "\M-\r" gnus-summary-scroll-down
1903 "<" gnus-summary-beginning-of-article
1904 ">" gnus-summary-end-of-article
1905 "b" gnus-summary-beginning-of-article
1906 "e" gnus-summary-end-of-article
1907 "^" gnus-summary-refer-parent-article
1908 "r" gnus-summary-refer-parent-article
1909 "D" gnus-summary-enter-digest-group
1910 "R" gnus-summary-refer-references
1911 "T" gnus-summary-refer-thread
1912 "g" gnus-summary-show-article
1913 "s" gnus-summary-isearch-article
1914 "P" gnus-summary-print-article
1915 "M" gnus-mailing-list-insinuate
1916 "t" gnus-article-babel)
1918 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1919 "b" gnus-article-add-buttons
1920 "B" gnus-article-add-buttons-to-head
1921 "o" gnus-article-treat-overstrike
1922 "e" gnus-article-emphasize
1923 "w" gnus-article-fill-cited-article
1924 "Q" gnus-article-fill-long-lines
1925 "C" gnus-article-capitalize-sentences
1926 "c" gnus-article-remove-cr
1927 "Z" gnus-article-decode-HZ
1928 "A" gnus-article-treat-ansi-sequences
1929 "h" gnus-article-wash-html
1930 "u" gnus-article-unsplit-urls
1931 "f" gnus-article-display-x-face
1932 "l" gnus-summary-stop-page-breaking
1933 "r" gnus-summary-caesar-message
1934 "m" gnus-summary-morse-message
1935 "t" gnus-summary-toggle-header
1936 "g" gnus-treat-smiley
1937 "v" gnus-summary-verbose-headers
1938 "m" gnus-summary-toggle-mime
1939 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1940 "p" gnus-article-verify-x-pgp-sig
1941 "d" gnus-article-treat-dumbquotes)
1943 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1944 ;; mnemonic: deuglif*Y*
1945 "u" gnus-article-outlook-unwrap-lines
1946 "a" gnus-article-outlook-repair-attribution
1947 "c" gnus-article-outlook-rearrange-citation
1948 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1950 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1951 "a" gnus-article-hide
1952 "h" gnus-article-hide-headers
1953 "b" gnus-article-hide-boring-headers
1954 "s" gnus-article-hide-signature
1955 "c" gnus-article-hide-citation
1956 "C" gnus-article-hide-citation-in-followups
1957 "l" gnus-article-hide-list-identifiers
1958 "B" gnus-article-strip-banner
1959 "P" gnus-article-hide-pem
1960 "\C-c" gnus-article-hide-citation-maybe)
1962 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1963 "a" gnus-article-highlight
1964 "h" gnus-article-highlight-headers
1965 "c" gnus-article-highlight-citation
1966 "s" gnus-article-highlight-signature)
1968 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1969 "f" gnus-article-treat-fold-headers
1970 "u" gnus-article-treat-unfold-headers
1971 "n" gnus-article-treat-fold-newsgroups)
1973 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1974 "x" gnus-article-display-x-face
1975 "d" gnus-article-display-face
1976 "s" gnus-treat-smiley
1977 "D" gnus-article-remove-images
1978 "f" gnus-treat-from-picon
1979 "m" gnus-treat-mail-picon
1980 "n" gnus-treat-newsgroups-picon)
1982 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1983 "z" gnus-article-date-ut
1984 "u" gnus-article-date-ut
1985 "l" gnus-article-date-local
1986 "p" gnus-article-date-english
1987 "e" gnus-article-date-lapsed
1988 "o" gnus-article-date-original
1989 "i" gnus-article-date-iso8601
1990 "s" gnus-article-date-user)
1992 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1993 "t" gnus-article-remove-trailing-blank-lines
1994 "l" gnus-article-strip-leading-blank-lines
1995 "m" gnus-article-strip-multiple-blank-lines
1996 "a" gnus-article-strip-blank-lines
1997 "A" gnus-article-strip-all-blank-lines
1998 "s" gnus-article-strip-leading-space
1999 "e" gnus-article-strip-trailing-space
2000 "w" gnus-article-remove-leading-whitespace)
2002 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2004 "f" gnus-summary-fetch-faq
2005 "d" gnus-summary-describe-group
2006 "h" gnus-summary-describe-briefly
2007 "i" gnus-info-find-node
2008 "c" gnus-group-fetch-charter
2009 "C" gnus-group-fetch-control)
2011 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2012 "e" gnus-summary-expire-articles
2013 "\M-\C-e" gnus-summary-expire-articles-now
2014 "\177" gnus-summary-delete-article
2015 [delete] gnus-summary-delete-article
2016 [backspace] gnus-summary-delete-article
2017 "m" gnus-summary-move-article
2018 "r" gnus-summary-respool-article
2019 "w" gnus-summary-edit-article
2020 "c" gnus-summary-copy-article
2021 "B" gnus-summary-crosspost-article
2022 "q" gnus-summary-respool-query
2023 "t" gnus-summary-respool-trace
2024 "i" gnus-summary-import-article
2025 "I" gnus-summary-create-article
2026 "p" gnus-summary-article-posted-p)
2028 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2029 "o" gnus-summary-save-article
2030 "m" gnus-summary-save-article-mail
2031 "F" gnus-summary-write-article-file
2032 "r" gnus-summary-save-article-rmail
2033 "f" gnus-summary-save-article-file
2034 "b" gnus-summary-save-article-body-file
2035 "h" gnus-summary-save-article-folder
2036 "v" gnus-summary-save-article-vm
2037 "p" gnus-summary-pipe-output
2038 "P" gnus-summary-muttprint
2039 "s" gnus-soup-add-article)
2041 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2042 "b" gnus-summary-display-buttonized
2043 "m" gnus-summary-repair-multipart
2044 "v" gnus-article-view-part
2045 "o" gnus-article-save-part
2046 "c" gnus-article-copy-part
2047 "C" gnus-article-view-part-as-charset
2048 "e" gnus-article-view-part-externally
2049 "E" gnus-article-encrypt-body
2050 "i" gnus-article-inline-part
2051 "|" gnus-article-pipe-part)
2053 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2054 "p" gnus-summary-mark-as-processable
2055 "u" gnus-summary-unmark-as-processable
2056 "U" gnus-summary-unmark-all-processable
2057 "v" gnus-uu-mark-over
2058 "s" gnus-uu-mark-series
2059 "r" gnus-uu-mark-region
2060 "g" gnus-uu-unmark-region
2061 "R" gnus-uu-mark-by-regexp
2062 "G" gnus-uu-unmark-by-regexp
2063 "t" gnus-uu-mark-thread
2064 "T" gnus-uu-unmark-thread
2065 "a" gnus-uu-mark-all
2066 "b" gnus-uu-mark-buffer
2067 "S" gnus-uu-mark-sparse
2068 "k" gnus-summary-kill-process-mark
2069 "y" gnus-summary-yank-process-mark
2070 "w" gnus-summary-save-process-mark
2071 "i" gnus-uu-invert-processable)
2073 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2074 ;;"x" gnus-uu-extract-any
2075 "m" gnus-summary-save-parts
2076 "u" gnus-uu-decode-uu
2077 "U" gnus-uu-decode-uu-and-save
2078 "s" gnus-uu-decode-unshar
2079 "S" gnus-uu-decode-unshar-and-save
2080 "o" gnus-uu-decode-save
2081 "O" gnus-uu-decode-save
2082 "b" gnus-uu-decode-binhex
2083 "B" gnus-uu-decode-binhex
2084 "p" gnus-uu-decode-postscript
2085 "P" gnus-uu-decode-postscript-and-save)
2088 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2089 "u" gnus-uu-decode-uu-view
2090 "U" gnus-uu-decode-uu-and-save-view
2091 "s" gnus-uu-decode-unshar-view
2092 "S" gnus-uu-decode-unshar-and-save-view
2093 "o" gnus-uu-decode-save-view
2094 "O" gnus-uu-decode-save-view
2095 "b" gnus-uu-decode-binhex-view
2096 "B" gnus-uu-decode-binhex-view
2097 "p" gnus-uu-decode-postscript-view
2098 "P" gnus-uu-decode-postscript-and-save-view)
2100 (defvar gnus-article-post-menu nil)
2102 (defconst gnus-summary-menu-maxlen 20)
2104 (defun gnus-summary-menu-split (menu)
2105 ;; If we have lots of elements, divide them into groups of 20
2106 ;; and make a pane (or submenu) for each one.
2107 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2108 (let ((menu menu) sublists next
2111 ;; Pull off the next gnus-summary-menu-maxlen elements
2112 ;; and make them the next element of sublist.
2113 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2115 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2117 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2118 (aref (car (last menu)) 0)) menu)
2122 (nreverse sublists))
2123 ;; Few elements--put them all in one pane.
2126 (defun gnus-summary-make-menu-bar ()
2127 (gnus-turn-off-edit-menu 'summary)
2129 (unless (boundp 'gnus-summary-misc-menu)
2132 gnus-summary-kill-menu gnus-summary-mode-map ""
2137 ["Customize" gnus-score-customize t])
2138 (gnus-make-score-map 'increase)
2139 (gnus-make-score-map 'lower)
2141 ["Kill below" gnus-summary-kill-below t]
2142 ["Mark above" gnus-summary-mark-above t]
2143 ["Tick above" gnus-summary-tick-above t]
2144 ["Clear above" gnus-summary-clear-above t])
2145 ["Current score" gnus-summary-current-score t]
2146 ["Set score" gnus-summary-set-score t]
2147 ["Switch current score file..." gnus-score-change-score-file t]
2148 ["Set mark below..." gnus-score-set-mark-below t]
2149 ["Set expunge below..." gnus-score-set-expunge-below t]
2150 ["Edit current score file" gnus-score-edit-current-scores t]
2151 ["Edit score file" gnus-score-edit-file t]
2152 ["Trace score" gnus-score-find-trace t]
2153 ["Find words" gnus-score-find-favourite-words t]
2154 ["Rescore buffer" gnus-summary-rescore t]
2155 ["Increase score..." gnus-summary-increase-score t]
2156 ["Lower score..." gnus-summary-lower-score t]))))
2158 ;; Define both the Article menu in the summary buffer and the
2159 ;; equivalent Commands menu in the article buffer here for
2163 ["All" gnus-article-hide t]
2164 ["Headers" gnus-article-hide-headers t]
2165 ["Signature" gnus-article-hide-signature t]
2166 ["Citation" gnus-article-hide-citation t]
2167 ["List identifiers" gnus-article-hide-list-identifiers t]
2168 ["Banner" gnus-article-strip-banner t]
2169 ["Boring headers" gnus-article-hide-boring-headers t])
2171 ["All" gnus-article-highlight t]
2172 ["Headers" gnus-article-highlight-headers t]
2173 ["Signature" gnus-article-highlight-signature t]
2174 ["Citation" gnus-article-highlight-citation t])
2176 ["Local" gnus-article-date-local t]
2177 ["ISO8601" gnus-article-date-iso8601 t]
2178 ["UT" gnus-article-date-ut t]
2179 ["Original" gnus-article-date-original t]
2180 ["Lapsed" gnus-article-date-lapsed t]
2181 ["User-defined" gnus-article-date-user t])
2183 ["Remove images" gnus-article-remove-images t]
2184 ["Toggle smiley" gnus-treat-smiley t]
2185 ["Show X-Face" gnus-article-display-x-face t]
2186 ["Show picons in From" gnus-treat-from-picon t]
2187 ["Show picons in mail headers" gnus-treat-mail-picon t]
2188 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2189 ("View as different encoding"
2190 ,@(gnus-summary-menu-split
2193 ;; Since easymenu under Emacs doesn't allow
2194 ;; lambda forms for menu commands, we should
2195 ;; provide intern'ed function symbols.
2196 (let ((command (intern (format "\
2197 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2201 (let ((gnus-summary-show-article-charset-alist
2203 (gnus-summary-show-article 1))))
2204 `[,(symbol-name cs) ,command t]))
2205 (sort (if (fboundp 'coding-system-list)
2206 (coding-system-list)
2207 ;;(mapcar 'car mm-mime-mule-charset-alist)
2212 ["Leading" gnus-article-strip-leading-blank-lines t]
2213 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2214 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2215 ["All of the above" gnus-article-strip-blank-lines t]
2216 ["All" gnus-article-strip-all-blank-lines t]
2217 ["Leading space" gnus-article-strip-leading-space t]
2218 ["Trailing space" gnus-article-strip-trailing-space t]
2219 ["Leading space in headers"
2220 gnus-article-remove-leading-whitespace t])
2221 ["Overstrike" gnus-article-treat-overstrike t]
2222 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2223 ["Emphasis" gnus-article-emphasize t]
2224 ["Word wrap" gnus-article-fill-cited-article t]
2225 ["Fill long lines" gnus-article-fill-long-lines t]
2226 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2227 ["Remove CR" gnus-article-remove-cr t]
2228 ["Rot 13" gnus-summary-caesar-message
2229 ,@(if (featurep 'xemacs) '(t)
2230 '(:help "\"Caesar rotate\" article by 13"))]
2231 ["Morse decode" gnus-summary-morse-message t]
2232 ["Unix pipe..." gnus-summary-pipe-message t]
2233 ["Add buttons" gnus-article-add-buttons t]
2234 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2235 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2236 ["Toggle MIME" gnus-summary-toggle-mime t]
2237 ["Verbose header" gnus-summary-verbose-headers t]
2238 ["Toggle header" gnus-summary-toggle-header t]
2239 ["Unfold headers" gnus-article-treat-unfold-headers t]
2240 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2241 ["Html" gnus-article-wash-html t]
2242 ["Unsplit URLs" gnus-article-unsplit-urls t]
2243 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2244 ["Decode HZ" gnus-article-decode-HZ t]
2245 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2246 ("(Outlook) Deuglify"
2247 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2248 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2249 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2250 ["Full (Outlook) deuglify"
2251 gnus-article-outlook-deuglify-article t])
2254 ["Save in default format..." gnus-summary-save-article
2255 ,@(if (featurep 'xemacs) '(t)
2256 '(:help "Save article using default method"))]
2257 ["Save in file..." gnus-summary-save-article-file
2258 ,@(if (featurep 'xemacs) '(t)
2259 '(:help "Save article in file"))]
2260 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2261 ["Save in MH folder..." gnus-summary-save-article-folder t]
2262 ["Save in VM folder..." gnus-summary-save-article-vm t]
2263 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2264 ["Save body in file..." gnus-summary-save-article-body-file t]
2265 ["Pipe through a filter..." gnus-summary-pipe-output t]
2266 ["Add to SOUP packet" gnus-soup-add-article t]
2267 ["Print with Muttprint..." gnus-summary-muttprint t]
2268 ["Print" gnus-summary-print-article t])
2270 ["Respool article..." gnus-summary-respool-article t]
2271 ["Move article..." gnus-summary-move-article
2272 (gnus-check-backend-function
2273 'request-move-article gnus-newsgroup-name)]
2274 ["Copy article..." gnus-summary-copy-article t]
2275 ["Crosspost article..." gnus-summary-crosspost-article
2276 (gnus-check-backend-function
2277 'request-replace-article gnus-newsgroup-name)]
2278 ["Import file..." gnus-summary-import-article
2279 (gnus-check-backend-function
2280 'request-accept-article gnus-newsgroup-name)]
2281 ["Create article..." gnus-summary-create-article
2282 (gnus-check-backend-function
2283 'request-accept-article gnus-newsgroup-name)]
2284 ["Check if posted" gnus-summary-article-posted-p t]
2285 ["Edit article" gnus-summary-edit-article
2286 (not (gnus-group-read-only-p))]
2287 ["Delete article" gnus-summary-delete-article
2288 (gnus-check-backend-function
2289 'request-expire-articles gnus-newsgroup-name)]
2290 ["Query respool" gnus-summary-respool-query t]
2291 ["Trace respool" gnus-summary-respool-trace t]
2292 ["Delete expirable articles" gnus-summary-expire-articles-now
2293 (gnus-check-backend-function
2294 'request-expire-articles gnus-newsgroup-name)])
2296 ["Uudecode" gnus-uu-decode-uu
2297 ,@(if (featurep 'xemacs) '(t)
2298 '(:help "Decode uuencoded article(s)"))]
2299 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2300 ["Unshar" gnus-uu-decode-unshar t]
2301 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2302 ["Save" gnus-uu-decode-save t]
2303 ["Binhex" gnus-uu-decode-binhex t]
2304 ["Postscript" gnus-uu-decode-postscript t])
2306 ["Enter article" gnus-cache-enter-article t]
2307 ["Remove article" gnus-cache-remove-article t])
2308 ["Translate" gnus-article-babel t]
2309 ["Select article buffer" gnus-summary-select-article-buffer t]
2310 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2311 ["Isearch article..." gnus-summary-isearch-article t]
2312 ["Beginning of the article" gnus-summary-beginning-of-article t]
2313 ["End of the article" gnus-summary-end-of-article t]
2314 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2315 ["Fetch referenced articles" gnus-summary-refer-references t]
2316 ["Fetch current thread" gnus-summary-refer-thread t]
2317 ["Fetch article with id..." gnus-summary-refer-article t]
2318 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2319 ["Redisplay" gnus-summary-show-article t]
2320 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2322 gnus-summary-article-menu gnus-summary-mode-map ""
2323 (cons "Article" innards))
2325 (if (not (keymapp gnus-summary-article-menu))
2327 gnus-article-commands-menu gnus-article-mode-map ""
2328 (cons "Commands" innards))
2329 ;; in Emacs, don't share menu.
2330 (setq gnus-article-commands-menu
2331 (copy-keymap gnus-summary-article-menu))
2332 (define-key gnus-article-mode-map [menu-bar commands]
2333 (cons "Commands" gnus-article-commands-menu))))
2336 gnus-summary-thread-menu gnus-summary-mode-map ""
2338 ["Find all messages in thread" gnus-summary-refer-thread t]
2339 ["Toggle threading" gnus-summary-toggle-threads t]
2340 ["Hide threads" gnus-summary-hide-all-threads t]
2341 ["Show threads" gnus-summary-show-all-threads t]
2342 ["Hide thread" gnus-summary-hide-thread t]
2343 ["Show thread" gnus-summary-show-thread t]
2344 ["Go to next thread" gnus-summary-next-thread t]
2345 ["Go to previous thread" gnus-summary-prev-thread t]
2346 ["Go down thread" gnus-summary-down-thread t]
2347 ["Go up thread" gnus-summary-up-thread t]
2348 ["Top of thread" gnus-summary-top-thread t]
2349 ["Mark thread as read" gnus-summary-kill-thread t]
2350 ["Lower thread score" gnus-summary-lower-thread t]
2351 ["Raise thread score" gnus-summary-raise-thread t]
2352 ["Rethread current" gnus-summary-rethread-current t]))
2355 gnus-summary-post-menu gnus-summary-mode-map ""
2357 ["Send a message (mail or news)" gnus-summary-post-news
2358 ,@(if (featurep 'xemacs) '(t)
2359 '(:help "Post an article"))]
2360 ["Followup" gnus-summary-followup
2361 ,@(if (featurep 'xemacs) '(t)
2362 '(:help "Post followup to this article"))]
2363 ["Followup and yank" gnus-summary-followup-with-original
2364 ,@(if (featurep 'xemacs) '(t)
2365 '(:help "Post followup to this article, quoting its contents"))]
2366 ["Supersede article" gnus-summary-supersede-article t]
2367 ["Cancel article" gnus-summary-cancel-article
2368 ,@(if (featurep 'xemacs) '(t)
2369 '(:help "Cancel an article you posted"))]
2370 ["Reply" gnus-summary-reply t]
2371 ["Reply and yank" gnus-summary-reply-with-original t]
2372 ["Wide reply" gnus-summary-wide-reply t]
2373 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2374 ,@(if (featurep 'xemacs) '(t)
2375 '(:help "Mail a reply, quoting this article"))]
2376 ["Very wide reply" gnus-summary-very-wide-reply t]
2377 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2378 ,@(if (featurep 'xemacs) '(t)
2379 '(:help "Mail a very wide reply, quoting this article"))]
2380 ["Mail forward" gnus-summary-mail-forward t]
2381 ["Post forward" gnus-summary-post-forward t]
2382 ["Digest and mail" gnus-summary-digest-mail-forward t]
2383 ["Digest and post" gnus-summary-digest-post-forward t]
2384 ["Resend message" gnus-summary-resend-message t]
2385 ["Resend message edit" gnus-summary-resend-message-edit t]
2386 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2387 ["Send a mail" gnus-summary-mail-other-window t]
2388 ["Create a local message" gnus-summary-news-other-window t]
2389 ["Uuencode and post" gnus-uu-post-news
2390 ,@(if (featurep 'xemacs) '(t)
2391 '(:help "Post a uuencoded article"))]
2392 ["Followup via news" gnus-summary-followup-to-mail t]
2393 ["Followup via news and yank"
2394 gnus-summary-followup-to-mail-with-original t]
2396 ;;["Send" gnus-summary-send-draft t]
2397 ;;["Send bounced" gnus-resend-bounced-mail t])
2401 ((not (keymapp gnus-summary-post-menu))
2402 (setq gnus-article-post-menu gnus-summary-post-menu))
2403 ((not gnus-article-post-menu)
2404 ;; Don't share post menu.
2405 (setq gnus-article-post-menu
2406 (copy-keymap gnus-summary-post-menu))))
2407 (define-key gnus-article-mode-map [menu-bar post]
2408 (cons "Post" gnus-article-post-menu))
2411 gnus-summary-misc-menu gnus-summary-mode-map ""
2414 ["Mark as read" gnus-summary-mark-as-read-forward t]
2415 ["Mark same subject and select"
2416 gnus-summary-kill-same-subject-and-select t]
2417 ["Mark same subject" gnus-summary-kill-same-subject t]
2418 ["Catchup" gnus-summary-catchup
2419 ,@(if (featurep 'xemacs) '(t)
2420 '(:help "Mark unread articles in this group as read"))]
2421 ["Catchup all" gnus-summary-catchup-all t]
2422 ["Catchup to here" gnus-summary-catchup-to-here t]
2423 ["Catchup from here" gnus-summary-catchup-from-here t]
2424 ["Catchup region" gnus-summary-mark-region-as-read
2425 (gnus-mark-active-p)]
2426 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2428 ["Tick" gnus-summary-tick-article-forward t]
2429 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2430 ["Remove marks" gnus-summary-clear-mark-forward t]
2431 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2432 ["Set bookmark" gnus-summary-set-bookmark t]
2433 ["Remove bookmark" gnus-summary-remove-bookmark t])
2435 ["Marks..." gnus-summary-limit-to-marks t]
2436 ["Subject..." gnus-summary-limit-to-subject t]
2437 ["Author..." gnus-summary-limit-to-author t]
2438 ["Age..." gnus-summary-limit-to-age t]
2439 ["Extra..." gnus-summary-limit-to-extra t]
2440 ["Score..." gnus-summary-limit-to-score t]
2441 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2442 ["Unread" gnus-summary-limit-to-unread t]
2443 ["Unseen" gnus-summary-limit-to-unseen t]
2444 ["Replied" gnus-summary-limit-to-replied t]
2445 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2446 ["Next articles" gnus-summary-limit-to-articles t]
2447 ["Pop limit" gnus-summary-pop-limit t]
2448 ["Show dormant" gnus-summary-limit-include-dormant t]
2449 ["Hide childless dormant"
2450 gnus-summary-limit-exclude-childless-dormant t]
2451 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2452 ["Hide marked" gnus-summary-limit-exclude-marks t]
2453 ["Show expunged" gnus-summary-limit-include-expunged t])
2455 ["Set mark" gnus-summary-mark-as-processable t]
2456 ["Remove mark" gnus-summary-unmark-as-processable t]
2457 ["Remove all marks" gnus-summary-unmark-all-processable t]
2458 ["Mark above" gnus-uu-mark-over t]
2459 ["Mark series" gnus-uu-mark-series t]
2460 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2461 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2462 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2463 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2464 ["Mark all" gnus-uu-mark-all t]
2465 ["Mark buffer" gnus-uu-mark-buffer t]
2466 ["Mark sparse" gnus-uu-mark-sparse t]
2467 ["Mark thread" gnus-uu-mark-thread t]
2468 ["Unmark thread" gnus-uu-unmark-thread t]
2469 ("Process Mark Sets"
2470 ["Kill" gnus-summary-kill-process-mark t]
2471 ["Yank" gnus-summary-yank-process-mark
2472 gnus-newsgroup-process-stack]
2473 ["Save" gnus-summary-save-process-mark t]
2474 ["Run command on marked..." gnus-summary-universal-argument t]))
2476 ["Page forward" gnus-summary-next-page
2477 ,@(if (featurep 'xemacs) '(t)
2478 '(:help "Show next page of article"))]
2479 ["Page backward" gnus-summary-prev-page
2480 ,@(if (featurep 'xemacs) '(t)
2481 '(:help "Show previous page of article"))]
2482 ["Line forward" gnus-summary-scroll-up t])
2484 ["Next unread article" gnus-summary-next-unread-article t]
2485 ["Previous unread article" gnus-summary-prev-unread-article t]
2486 ["Next article" gnus-summary-next-article t]
2487 ["Previous article" gnus-summary-prev-article t]
2488 ["Next unread subject" gnus-summary-next-unread-subject t]
2489 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2490 ["Next article same subject" gnus-summary-next-same-subject t]
2491 ["Previous article same subject" gnus-summary-prev-same-subject t]
2492 ["First unread article" gnus-summary-first-unread-article t]
2493 ["Best unread article" gnus-summary-best-unread-article t]
2494 ["Go to subject number..." gnus-summary-goto-subject t]
2495 ["Go to article number..." gnus-summary-goto-article t]
2496 ["Go to the last article" gnus-summary-goto-last-article t]
2497 ["Pop article off history" gnus-summary-pop-article t])
2499 ["Sort by number" gnus-summary-sort-by-number t]
2500 ["Sort by author" gnus-summary-sort-by-author t]
2501 ["Sort by subject" gnus-summary-sort-by-subject t]
2502 ["Sort by date" gnus-summary-sort-by-date t]
2503 ["Sort by score" gnus-summary-sort-by-score t]
2504 ["Sort by lines" gnus-summary-sort-by-lines t]
2505 ["Sort by characters" gnus-summary-sort-by-chars t]
2506 ["Randomize" gnus-summary-sort-by-random t]
2507 ["Original sort" gnus-summary-sort-by-original t])
2509 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2510 ["Describe group" gnus-summary-describe-group t]
2511 ["Fetch charter" gnus-group-fetch-charter
2512 ,@(if (featurep 'xemacs) nil
2513 '(:help "Display the charter of the current group"))]
2514 ["Fetch control message" gnus-group-fetch-control
2515 ,@(if (featurep 'xemacs) nil
2516 '(:help "Display the archived control message for the current group"))]
2517 ["Read manual" gnus-info-find-node t])
2519 ["Pick and read" gnus-pick-mode t]
2520 ["Binary" gnus-binary-mode t])
2522 ["Regenerate" gnus-summary-prepare t]
2523 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2524 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2525 ["Toggle threading" gnus-summary-toggle-threads t])
2526 ["See old articles" gnus-summary-insert-old-articles t]
2527 ["See new articles" gnus-summary-insert-new-articles t]
2528 ["Filter articles..." gnus-summary-execute-command t]
2529 ["Run command on articles..." gnus-summary-universal-argument t]
2530 ["Search articles forward..." gnus-summary-search-article-forward t]
2531 ["Search articles backward..." gnus-summary-search-article-backward t]
2532 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2533 ["Expand window" gnus-summary-expand-window t]
2534 ["Expire expirable articles" gnus-summary-expire-articles
2535 (gnus-check-backend-function
2536 'request-expire-articles gnus-newsgroup-name)]
2537 ["Edit local kill file" gnus-summary-edit-local-kill t]
2538 ["Edit main kill file" gnus-summary-edit-global-kill t]
2539 ["Edit group parameters" gnus-summary-edit-parameters t]
2540 ["Customize group parameters" gnus-summary-customize-parameters t]
2541 ["Send a bug report" gnus-bug t]
2543 ["Catchup and exit" gnus-summary-catchup-and-exit
2544 ,@(if (featurep 'xemacs) '(t)
2545 '(:help "Mark unread articles in this group as read, then exit"))]
2546 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2547 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2548 ["Exit group" gnus-summary-exit
2549 ,@(if (featurep 'xemacs) '(t)
2550 '(:help "Exit current group, return to group selection mode"))]
2551 ["Exit group without updating" gnus-summary-exit-no-update t]
2552 ["Exit and goto next group" gnus-summary-next-group t]
2553 ["Exit and goto prev group" gnus-summary-prev-group t]
2554 ["Reselect group" gnus-summary-reselect-current-group t]
2555 ["Rescan group" gnus-summary-rescan-group t]
2556 ["Update dribble" gnus-summary-save-newsrc t])))
2558 (gnus-run-hooks 'gnus-summary-menu-hook)))
2560 (defvar gnus-summary-tool-bar-map nil)
2562 ;; Emacs 21 tool bar. Should be no-op otherwise.
2563 (defun gnus-summary-make-tool-bar ()
2564 (if (and (fboundp 'tool-bar-add-item-from-menu)
2565 (default-value 'tool-bar-mode)
2566 (not gnus-summary-tool-bar-map))
2567 (setq gnus-summary-tool-bar-map
2568 (let ((tool-bar-map (make-sparse-keymap))
2569 (load-path (mm-image-load-path)))
2570 (tool-bar-add-item-from-menu
2571 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2572 (tool-bar-add-item-from-menu
2573 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2574 (tool-bar-add-item-from-menu
2575 'gnus-summary-post-news "post" gnus-summary-mode-map)
2576 (tool-bar-add-item-from-menu
2577 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2578 (tool-bar-add-item-from-menu
2579 'gnus-summary-followup "followup" gnus-summary-mode-map)
2580 (tool-bar-add-item-from-menu
2581 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2582 (tool-bar-add-item-from-menu
2583 'gnus-summary-reply "reply" gnus-summary-mode-map)
2584 (tool-bar-add-item-from-menu
2585 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2586 (tool-bar-add-item-from-menu
2587 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2588 (tool-bar-add-item-from-menu
2589 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2590 (tool-bar-add-item-from-menu
2591 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2592 (tool-bar-add-item-from-menu
2593 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2594 (tool-bar-add-item-from-menu
2595 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2596 (tool-bar-add-item-from-menu
2597 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2598 (tool-bar-add-item-from-menu
2599 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2601 (if gnus-summary-tool-bar-map
2602 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2604 (defun gnus-score-set-default (var value)
2605 "A version of set that updates the GNU Emacs menu-bar."
2607 ;; It is the message that forces the active status to be updated.
2610 (defun gnus-make-score-map (type)
2611 "Make a summary score map of type TYPE."
2614 (let ((headers '(("author" "from" string)
2615 ("subject" "subject" string)
2616 ("article body" "body" string)
2617 ("article head" "head" string)
2618 ("xref" "xref" string)
2619 ("extra header" "extra" string)
2620 ("lines" "lines" number)
2621 ("followups to author" "followup" string)))
2622 (types '((number ("less than" <)
2625 (string ("substring" s)
2629 (perms '(("temporary" (current-time-string))
2637 (if (eq type 'lower)
2642 (setq header (car headers))
2648 (let ((ts (cdr (assoc (nth 2 header) types)))
2664 'gnus-summary-score-entry
2666 (if (or (string= (nth 1 header)
2668 (string= (nth 1 header)
2671 (list 'gnus-summary-header
2673 (list 'quote (nth 1 (car ts)))
2674 (list 'gnus-score-delta-default
2681 (list (nreverse outp))))
2684 (list (nreverse outt))))
2686 (setq headers (cdr headers)))
2687 (list (nreverse outh))))))))
2691 (defun gnus-summary-mode (&optional group)
2692 "Major mode for reading articles.
2694 All normal editing commands are switched off.
2695 \\<gnus-summary-mode-map>
2696 Each line in this buffer represents one article. To read an
2697 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2698 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2701 You can also post articles and send mail from this buffer. To
2702 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2703 of an article, type `\\[gnus-summary-reply]'.
2705 There are approx. one gazillion commands you can execute in this
2706 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2708 The following commands are available:
2710 \\{gnus-summary-mode-map}"
2712 (kill-all-local-variables)
2713 (when (gnus-visual-p 'summary-menu 'menu)
2714 (gnus-summary-make-menu-bar)
2715 (gnus-summary-make-tool-bar))
2716 (gnus-summary-make-local-variables)
2717 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2718 (gnus-summary-make-local-variables))
2719 (gnus-make-thread-indent-array)
2720 (gnus-simplify-mode-line)
2721 (setq major-mode 'gnus-summary-mode)
2722 (setq mode-name "Summary")
2723 (make-local-variable 'minor-mode-alist)
2724 (use-local-map gnus-summary-mode-map)
2725 (buffer-disable-undo)
2726 (setq buffer-read-only t) ;Disable modification
2727 (setq truncate-lines t)
2728 (setq selective-display t)
2729 (setq selective-display-ellipses t) ;Display `...'
2730 (gnus-summary-set-display-table)
2731 (gnus-set-default-directory)
2732 (setq gnus-newsgroup-name group)
2733 (unless (gnus-news-group-p group)
2734 (setq gnus-newsgroup-incorporated
2735 (nnmail-new-mail-numbers (gnus-group-real-name group))))
2736 (make-local-variable 'gnus-summary-line-format)
2737 (make-local-variable 'gnus-summary-line-format-spec)
2738 (make-local-variable 'gnus-summary-dummy-line-format)
2739 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2740 (make-local-variable 'gnus-summary-mark-positions)
2741 (gnus-make-local-hook 'pre-command-hook)
2742 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2743 (gnus-run-hooks 'gnus-summary-mode-hook)
2744 (turn-on-gnus-mailing-list-mode)
2745 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2746 (gnus-update-summary-mark-positions))
2748 (defun gnus-summary-make-local-variables ()
2749 "Make all the local summary buffer variables."
2751 (dolist (local gnus-summary-local-variables)
2754 (if (eq (cdr local) 'global)
2755 ;; Copy the global value of the variable.
2756 (setq global (symbol-value (car local)))
2757 ;; Use the value from the list.
2758 (setq global (eval (cdr local))))
2759 (set (make-local-variable (car local)) global))
2760 ;; Simple nil-valued local variable.
2761 (set (make-local-variable local) nil)))))
2763 (defun gnus-summary-clear-local-variables ()
2764 (let ((locals gnus-summary-local-variables))
2766 (if (consp (car locals))
2767 (and (vectorp (caar locals))
2768 (set (caar locals) nil))
2769 (and (vectorp (car locals))
2770 (set (car locals) nil)))
2771 (setq locals (cdr locals)))))
2773 ;; Summary data functions.
2775 (defmacro gnus-data-number (data)
2778 (defmacro gnus-data-set-number (data number)
2779 `(setcar ,data ,number))
2781 (defmacro gnus-data-mark (data)
2784 (defmacro gnus-data-set-mark (data mark)
2785 `(setcar (nthcdr 1 ,data) ,mark))
2787 (defmacro gnus-data-pos (data)
2790 (defmacro gnus-data-set-pos (data pos)
2791 `(setcar (nthcdr 2 ,data) ,pos))
2793 (defmacro gnus-data-header (data)
2796 (defmacro gnus-data-set-header (data header)
2797 `(setcar (nthcdr 3 ,data) ,header))
2799 (defmacro gnus-data-level (data)
2802 (defmacro gnus-data-unread-p (data)
2803 `(= (nth 1 ,data) gnus-unread-mark))
2805 (defmacro gnus-data-read-p (data)
2806 `(/= (nth 1 ,data) gnus-unread-mark))
2808 (defmacro gnus-data-pseudo-p (data)
2809 `(consp (nth 3 ,data)))
2811 (defmacro gnus-data-find (number)
2812 `(assq ,number gnus-newsgroup-data))
2814 (defmacro gnus-data-find-list (number &optional data)
2815 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2816 (memq (assq ,number bdata)
2819 (defmacro gnus-data-make (number mark pos header level)
2820 `(list ,number ,mark ,pos ,header ,level))
2822 (defun gnus-data-enter (after-article number mark pos header level offset)
2823 (let ((data (gnus-data-find-list after-article)))
2825 (error "No such article: %d" after-article))
2826 (setcdr data (cons (gnus-data-make number mark pos header level)
2828 (setq gnus-newsgroup-data-reverse nil)
2829 (gnus-data-update-list (cddr data) offset)))
2831 (defun gnus-data-enter-list (after-article list &optional offset)
2833 (let ((data (and after-article (gnus-data-find-list after-article)))
2837 (let ((odata gnus-newsgroup-data))
2838 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2840 (gnus-data-update-list odata offset)))
2841 ;; Find the last element in the list to be spliced into the main
2844 (setq list (cdr list)))
2847 (setcdr list gnus-newsgroup-data)
2848 (setq gnus-newsgroup-data ilist)
2850 (gnus-data-update-list (cdr list) offset)))
2851 (setcdr list (cdr data))
2854 (gnus-data-update-list (cdr list) offset))))
2855 (setq gnus-newsgroup-data-reverse nil))))
2857 (defun gnus-data-remove (article &optional offset)
2858 (let ((data gnus-newsgroup-data))
2859 (if (= (gnus-data-number (car data)) article)
2861 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2862 gnus-newsgroup-data-reverse nil)
2864 (gnus-data-update-list gnus-newsgroup-data offset)))
2866 (when (= (gnus-data-number (cadr data)) article)
2867 (setcdr data (cddr data))
2869 (gnus-data-update-list (cdr data) offset))
2871 gnus-newsgroup-data-reverse nil))
2872 (setq data (cdr data))))))
2874 (defmacro gnus-data-list (backward)
2876 (or gnus-newsgroup-data-reverse
2877 (setq gnus-newsgroup-data-reverse
2878 (reverse gnus-newsgroup-data)))
2879 gnus-newsgroup-data))
2881 (defun gnus-data-update-list (data offset)
2882 "Add OFFSET to the POS of all data entries in DATA."
2883 (setq gnus-newsgroup-data-reverse nil)
2885 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2886 (setq data (cdr data))))
2888 (defun gnus-summary-article-pseudo-p (article)
2889 "Say whether this article is a pseudo article or not."
2890 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2892 (defmacro gnus-summary-article-sparse-p (article)
2893 "Say whether this article is a sparse article or not."
2894 `(memq ,article gnus-newsgroup-sparse))
2896 (defmacro gnus-summary-article-ancient-p (article)
2897 "Say whether this article is a sparse article or not."
2898 `(memq ,article gnus-newsgroup-ancient))
2900 (defun gnus-article-parent-p (number)
2901 "Say whether this article is a parent or not."
2902 (let ((data (gnus-data-find-list number)))
2903 (and (cdr data) ; There has to be an article after...
2904 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2905 (gnus-data-level (nth 1 data))))))
2907 (defun gnus-article-children (number)
2908 "Return a list of all children to NUMBER."
2909 (let* ((data (gnus-data-find-list number))
2910 (level (gnus-data-level (car data)))
2912 (setq data (cdr data))
2914 (= (gnus-data-level (car data)) (1+ level)))
2915 (push (gnus-data-number (car data)) children)
2916 (setq data (cdr data)))
2919 (defmacro gnus-summary-skip-intangible ()
2920 "If the current article is intangible, then jump to a different article."
2921 '(let ((to (get-text-property (point) 'gnus-intangible)))
2922 (and to (gnus-summary-goto-subject to))))
2924 (defmacro gnus-summary-article-intangible-p ()
2925 "Say whether this article is intangible or not."
2926 '(get-text-property (point) 'gnus-intangible))
2928 (defun gnus-article-read-p (article)
2929 "Say whether ARTICLE is read or not."
2930 (not (or (memq article gnus-newsgroup-marked)
2931 (memq article gnus-newsgroup-spam-marked)
2932 (memq article gnus-newsgroup-unreads)
2933 (memq article gnus-newsgroup-unselected)
2934 (memq article gnus-newsgroup-dormant))))
2936 ;; Some summary mode macros.
2938 (defmacro gnus-summary-article-number ()
2939 "The article number of the article on the current line.
2940 If there isn't an article number here, then we return the current
2943 (gnus-summary-skip-intangible)
2944 (or (get-text-property (point) 'gnus-number)
2945 (gnus-summary-last-subject))))
2947 (defmacro gnus-summary-article-header (&optional number)
2948 "Return the header of article NUMBER."
2949 `(gnus-data-header (gnus-data-find
2950 ,(or number '(gnus-summary-article-number)))))
2952 (defmacro gnus-summary-thread-level (&optional number)
2953 "Return the level of thread that starts with article NUMBER."
2954 `(if (and (eq gnus-summary-make-false-root 'dummy)
2955 (get-text-property (point) 'gnus-intangible))
2957 (gnus-data-level (gnus-data-find
2958 ,(or number '(gnus-summary-article-number))))))
2960 (defmacro gnus-summary-article-mark (&optional number)
2961 "Return the mark of article NUMBER."
2962 `(gnus-data-mark (gnus-data-find
2963 ,(or number '(gnus-summary-article-number)))))
2965 (defmacro gnus-summary-article-pos (&optional number)
2966 "Return the position of the line of article NUMBER."
2967 `(gnus-data-pos (gnus-data-find
2968 ,(or number '(gnus-summary-article-number)))))
2970 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2971 (defmacro gnus-summary-article-subject (&optional number)
2972 "Return current subject string or nil if nothing."
2975 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2976 '(gnus-data-header (assq (gnus-summary-article-number)
2977 gnus-newsgroup-data)))))
2980 (mail-header-subject headers))))
2982 (defmacro gnus-summary-article-score (&optional number)
2983 "Return current article score."
2984 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2985 gnus-newsgroup-scored))
2986 gnus-summary-default-score 0))
2988 (defun gnus-summary-article-children (&optional number)
2989 "Return a list of article numbers that are children of article NUMBER."
2990 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2991 (level (gnus-data-level (car data)))
2993 (while (and (setq data (cdr data))
2994 (> (setq l (gnus-data-level (car data))) level))
2995 (and (= (1+ level) l)
2996 (push (gnus-data-number (car data))
2998 (nreverse children)))
3000 (defun gnus-summary-article-parent (&optional number)
3001 "Return the article number of the parent of article NUMBER."
3002 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3003 (gnus-data-list t)))
3004 (level (gnus-data-level (car data))))
3006 () ; This is a root.
3007 ;; We search until we find an article with a level less than
3008 ;; this one. That function has to be the parent.
3009 (while (and (setq data (cdr data))
3010 (not (< (gnus-data-level (car data)) level))))
3011 (and data (gnus-data-number (car data))))))
3013 (defun gnus-unread-mark-p (mark)
3014 "Say whether MARK is the unread mark."
3015 (= mark gnus-unread-mark))
3017 (defun gnus-read-mark-p (mark)
3018 "Say whether MARK is one of the marks that mark as read.
3019 This is all marks except unread, ticked, dormant, and expirable."
3020 (not (or (= mark gnus-unread-mark)
3021 (= mark gnus-ticked-mark)
3022 (= mark gnus-spam-mark)
3023 (= mark gnus-dormant-mark)
3024 (= mark gnus-expirable-mark))))
3026 (defmacro gnus-article-mark (number)
3027 "Return the MARK of article NUMBER.
3028 This macro should only be used when computing the mark the \"first\"
3029 time; i.e., when generating the summary lines. After that,
3030 `gnus-summary-article-mark' should be used to examine the
3033 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3034 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3035 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3036 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3037 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3038 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3039 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3040 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3041 gnus-ancient-mark))))
3043 ;; Saving hidden threads.
3045 (defmacro gnus-save-hidden-threads (&rest forms)
3046 "Save hidden threads, eval FORMS, and restore the hidden threads."
3047 (let ((config (make-symbol "config")))
3048 `(let ((,config (gnus-hidden-threads-configuration)))
3052 (gnus-restore-hidden-threads-configuration ,config)))))
3053 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3054 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3056 (defun gnus-data-compute-positions ()
3057 "Compute the positions of all articles."
3058 (setq gnus-newsgroup-data-reverse nil)
3059 (let ((data gnus-newsgroup-data))
3061 (gnus-save-hidden-threads
3062 (gnus-summary-show-all-threads)
3063 (goto-char (point-min))
3065 (while (get-text-property (point) 'gnus-intangible)
3067 (gnus-data-set-pos (car data) (+ (point) 3))
3068 (setq data (cdr data))
3069 (forward-line 1))))))
3071 (defun gnus-hidden-threads-configuration ()
3072 "Return the current hidden threads configuration."
3075 (goto-char (point-min))
3076 (while (search-forward "\r" nil t)
3077 (push (1- (point)) config))
3080 (defun gnus-restore-hidden-threads-configuration (config)
3081 "Restore hidden threads configuration from CONFIG."
3083 (let (point buffer-read-only)
3084 (while (setq point (pop config))
3085 (when (and (< point (point-max))
3087 (eq (char-after) ?\n))
3088 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3090 ;; Various summary mode internalish functions.
3092 (defun gnus-mouse-pick-article (e)
3095 (gnus-summary-next-page nil t))
3097 (defun gnus-summary-set-display-table ()
3098 "Change the display table.
3099 Odd characters have a tendency to mess
3100 up nicely formatted displays - we make all possible glyphs
3101 display only a single character."
3103 ;; We start from the standard display table, if any.
3104 (let ((table (or (copy-sequence standard-display-table)
3105 (make-display-table)))
3107 ;; Nix out all the control chars...
3108 (while (>= (setq i (1- i)) 0)
3109 (aset table i [??]))
3110 ;; ... but not newline and cr, of course. (cr is necessary for the
3111 ;; selective display).
3112 (aset table ?\n nil)
3113 (aset table ?\r nil)
3114 ;; We keep TAB as well.
3115 (aset table ?\t nil)
3116 ;; We nix out any glyphs over 126 that are not set already.
3118 (while (>= (setq i (1- i)) 127)
3119 ;; Only modify if the entry is nil.
3120 (unless (aref table i)
3121 (aset table i [??]))))
3122 (setq buffer-display-table table)))
3124 (defun gnus-summary-set-article-display-arrow (pos)
3125 "Update the overlay arrow to point to line at position POS."
3126 (when (and gnus-summary-display-arrow
3127 (boundp 'overlay-arrow-position)
3128 (boundp 'overlay-arrow-string))
3132 (unless overlay-arrow-position
3133 (setq overlay-arrow-position (make-marker)))
3134 (setq overlay-arrow-string "=>"
3135 overlay-arrow-position (set-marker overlay-arrow-position
3137 (current-buffer))))))
3139 (defun gnus-summary-setup-buffer (group)
3140 "Initialize summary buffer."
3141 (let ((buffer (gnus-summary-buffer-name group))
3142 (dead-name (concat "*Dead Summary "
3143 (gnus-group-decoded-name group) "*")))
3144 ;; If a dead summary buffer exists, we kill it.
3145 (when (gnus-buffer-live-p dead-name)
3146 (gnus-kill-buffer dead-name))
3147 (if (get-buffer buffer)
3150 (setq gnus-summary-buffer (current-buffer))
3151 (not gnus-newsgroup-prepared))
3152 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3153 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3154 (gnus-summary-mode group)
3156 (gnus-carpal-setup-buffer 'summary))
3157 (unless gnus-single-article-buffer
3158 (make-local-variable 'gnus-article-buffer)
3159 (make-local-variable 'gnus-article-current)
3160 (make-local-variable 'gnus-original-article-buffer))
3161 (setq gnus-newsgroup-name group)
3162 ;; Set any local variables in the group parameters.
3163 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3166 (defun gnus-set-global-variables ()
3167 "Set the global equivalents of the buffer-local variables.
3168 They are set to the latest values they had. These reflect the summary
3169 buffer that was in action when the last article was fetched."
3170 (when (eq major-mode 'gnus-summary-mode)
3171 (setq gnus-summary-buffer (current-buffer))
3172 (let ((name gnus-newsgroup-name)
3173 (marked gnus-newsgroup-marked)
3174 (spam gnus-newsgroup-spam-marked)
3175 (unread gnus-newsgroup-unreads)
3176 (headers gnus-current-headers)
3177 (data gnus-newsgroup-data)
3178 (summary gnus-summary-buffer)
3179 (article-buffer gnus-article-buffer)
3180 (original gnus-original-article-buffer)
3181 (gac gnus-article-current)
3182 (reffed gnus-reffed-article-number)
3183 (score-file gnus-current-score-file)
3184 (default-charset gnus-newsgroup-charset)
3186 (let ((locals gnus-newsgroup-variables))
3188 (if (consp (car locals))
3189 (push (eval (caar locals)) vlist)
3190 (push (eval (car locals)) vlist))
3191 (setq locals (cdr locals)))
3192 (setq vlist (nreverse vlist)))
3193 (with-current-buffer gnus-group-buffer
3194 (setq gnus-newsgroup-name name
3195 gnus-newsgroup-marked marked
3196 gnus-newsgroup-spam-marked spam
3197 gnus-newsgroup-unreads unread
3198 gnus-current-headers headers
3199 gnus-newsgroup-data data
3200 gnus-article-current gac
3201 gnus-summary-buffer summary
3202 gnus-article-buffer article-buffer
3203 gnus-original-article-buffer original
3204 gnus-reffed-article-number reffed
3205 gnus-current-score-file score-file
3206 gnus-newsgroup-charset default-charset)
3207 (let ((locals gnus-newsgroup-variables))
3209 (if (consp (car locals))
3210 (set (caar locals) (pop vlist))
3211 (set (car locals) (pop vlist)))
3212 (setq locals (cdr locals))))
3213 ;; The article buffer also has local variables.
3214 (when (gnus-buffer-live-p gnus-article-buffer)
3215 (set-buffer gnus-article-buffer)
3216 (setq gnus-summary-buffer summary))))))
3218 (defun gnus-summary-article-unread-p (article)
3219 "Say whether ARTICLE is unread or not."
3220 (memq article gnus-newsgroup-unreads))
3222 (defun gnus-summary-first-article-p (&optional article)
3223 "Return whether ARTICLE is the first article in the buffer."
3224 (if (not (setq article (or article (gnus-summary-article-number))))
3226 (eq article (caar gnus-newsgroup-data))))
3228 (defun gnus-summary-last-article-p (&optional article)
3229 "Return whether ARTICLE is the last article in the buffer."
3230 (if (not (setq article (or article (gnus-summary-article-number))))
3231 ;; All non-existent numbers are the last article. :-)
3233 (not (cdr (gnus-data-find-list article)))))
3235 (defun gnus-make-thread-indent-array ()
3237 (unless (and gnus-thread-indent-array
3238 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3239 (setq gnus-thread-indent-array (make-vector 201 "")
3240 gnus-thread-indent-array-level gnus-thread-indent-level)
3242 (aset gnus-thread-indent-array n
3243 (make-string (* n gnus-thread-indent-level) ? ))
3246 (defun gnus-update-summary-mark-positions ()
3247 "Compute where the summary marks are to go."
3249 (when (gnus-buffer-exists-p gnus-summary-buffer)
3250 (set-buffer gnus-summary-buffer))
3251 (let ((gnus-replied-mark 129)
3252 (gnus-score-below-mark 130)
3253 (gnus-score-over-mark 130)
3254 (gnus-undownloaded-mark 131)
3255 (spec gnus-summary-line-format-spec)
3258 (gnus-set-work-buffer)
3259 (let ((gnus-summary-line-format-spec spec)
3260 (gnus-newsgroup-downloadable '(0)))
3261 (gnus-summary-insert-line
3262 (make-full-mail-header 0 "" "nobody"
3263 "05 Apr 2001 23:33:09 +0400"
3265 0 nil t 128 t nil "" nil 1)
3266 (goto-char (point-min))
3267 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3268 (- (point) (point-min) 1)))))
3269 (goto-char (point-min))
3270 (push (cons 'replied (and (search-forward "\201" nil t)
3271 (- (point) (point-min) 1)))
3273 (goto-char (point-min))
3274 (push (cons 'score (and (search-forward "\202" nil t)
3275 (- (point) (point-min) 1)))
3277 (goto-char (point-min))
3278 (push (cons 'download
3279 (and (search-forward "\203" nil t)
3280 (- (point) (point-min) 1)))
3282 (setq gnus-summary-mark-positions pos))))
3284 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3285 "Insert a dummy root in the summary buffer."
3287 (gnus-add-text-properties
3288 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3289 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3291 (defun gnus-summary-extract-address-component (from)
3292 (or (car (funcall gnus-extract-address-components from))
3295 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3296 (let ((default-mime-charset (with-current-buffer gnus-summary-buffer
3297 default-mime-charset)))
3298 ;; Is it really necessary to do this next part for each summary line?
3299 ;; Luckily, doesn't seem to slow things down much.
3301 (and gnus-ignored-from-addresses
3302 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3303 (let ((extra-headers (mail-header-extra header))
3307 ((setq to (cdr (assq 'To extra-headers)))
3310 (gnus-summary-extract-address-component
3311 (funcall gnus-decode-encoded-word-function to)))))
3312 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3313 (concat "=> " newsgroups)))))
3314 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3316 (defun gnus-summary-insert-line (gnus-tmp-header
3317 gnus-tmp-level gnus-tmp-current
3318 undownloaded gnus-tmp-unread gnus-tmp-replied
3319 gnus-tmp-expirable gnus-tmp-subject-or-nil
3320 &optional gnus-tmp-dummy gnus-tmp-score
3322 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3323 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3324 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3325 (gnus-tmp-score-char
3326 (if (or (null gnus-summary-default-score)
3327 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3328 gnus-summary-zcore-fuzz))
3330 (if (< gnus-tmp-score gnus-summary-default-score)
3331 gnus-score-below-mark gnus-score-over-mark)))
3332 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3334 (cond (gnus-tmp-process gnus-process-mark)
3335 ((memq gnus-tmp-current gnus-newsgroup-cached)
3337 (gnus-tmp-replied gnus-replied-mark)
3338 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3339 gnus-forwarded-mark)
3340 ((memq gnus-tmp-current gnus-newsgroup-saved)
3342 ((memq gnus-tmp-number gnus-newsgroup-recent)
3344 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3347 (gnus-tmp-downloaded
3349 gnus-undownloaded-mark)
3350 (gnus-newsgroup-agentized
3351 gnus-downloaded-mark)
3354 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3357 ((string-match "<[^>]+> *$" gnus-tmp-from)
3358 (let ((beg (match-beginning 0)))
3359 (or (and (string-match "^\".+\"" gnus-tmp-from)
3360 (substring gnus-tmp-from 1 (1- (match-end 0))))
3361 (substring gnus-tmp-from 0 beg))))
3362 ((string-match "(.+)" gnus-tmp-from)
3363 (substring gnus-tmp-from
3364 (1+ (match-beginning 0)) (1- (match-end 0))))
3366 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3367 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3368 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3369 (buffer-read-only nil))
3370 (when (string= gnus-tmp-name "")
3371 (setq gnus-tmp-name gnus-tmp-from))
3372 (unless (numberp gnus-tmp-lines)
3373 (setq gnus-tmp-lines -1))
3374 (if (= gnus-tmp-lines -1)
3375 (setq gnus-tmp-lines "?")
3376 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3377 (gnus-put-text-property-excluding-characters-with-faces
3379 (progn (eval gnus-summary-line-format-spec) (point))
3380 'gnus-number gnus-tmp-number)
3381 (when (gnus-visual-p 'summary-highlight 'highlight)
3383 (gnus-run-hooks 'gnus-summary-update-hook)
3386 (defun gnus-summary-update-line (&optional dont-update)
3387 "Update summary line after change."
3388 (when (and gnus-summary-default-score
3389 (not gnus-summary-inhibit-highlight))
3390 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3391 (article (gnus-summary-article-number))
3392 (score (gnus-summary-article-score article)))
3394 (if (and gnus-summary-mark-below
3395 (< (gnus-summary-article-score)
3396 gnus-summary-mark-below))
3397 ;; This article has a low score, so we mark it as read.
3398 (when (memq article gnus-newsgroup-unreads)
3399 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3400 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3401 ;; This article was previously marked as read on account
3402 ;; of a low score, but now it has risen, so we mark it as
3404 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3405 (gnus-summary-update-mark
3406 (if (or (null gnus-summary-default-score)
3407 (<= (abs (- score gnus-summary-default-score))
3408 gnus-summary-zcore-fuzz))
3410 (if (< score gnus-summary-default-score)
3411 gnus-score-below-mark gnus-score-over-mark))
3413 ;; Do visual highlighting.
3414 (when (gnus-visual-p 'summary-highlight 'highlight)
3415 (gnus-run-hooks 'gnus-summary-update-hook)))))
3417 (defvar gnus-tmp-new-adopts nil)
3419 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3420 "Return the number of articles in THREAD.
3421 This may be 0 in some cases -- if none of the articles in
3422 the thread are to be displayed."
3424 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3426 ((not (listp thread))
3428 ((and (consp thread) (cdr thread))
3431 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3434 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3437 (when (and level (zerop level) gnus-tmp-new-adopts)
3440 'gnus-summary-number-of-articles-in-thread
3441 gnus-tmp-new-adopts))))
3443 (if (> number 1) gnus-not-empty-thread-mark
3444 gnus-empty-thread-mark)
3447 (defsubst gnus-summary-line-message-size (head)
3448 "Return pretty-printed version of message size.
3449 This function is intended to be used in
3450 `gnus-summary-line-format-alist'."
3451 (let ((c (or (mail-header-chars head) -1)))
3452 (cond ((< c 0) "n/a") ; chars not available
3453 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3454 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3455 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3456 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3459 (defun gnus-summary-set-local-parameters (group)
3460 "Go through the local params of GROUP and set all variable specs in that list."
3461 (let ((params (gnus-group-find-parameter group))
3462 (vars '(quit-config)) ; Ignore quit-config.
3465 (setq elem (car params)
3466 params (cdr params))
3467 (and (consp elem) ; Has to be a cons.
3468 (consp (cdr elem)) ; The cdr has to be a list.
3469 (symbolp (car elem)) ; Has to be a symbol in there.
3470 (not (memq (car elem) vars))
3471 (ignore-errors ; So we set it.
3472 (push (car elem) vars)
3473 (make-local-variable (car elem))
3474 (set (car elem) (eval (nth 1 elem))))))))
3476 (defun gnus-summary-read-group (group &optional show-all no-article
3477 kill-buffer no-display backward
3479 "Start reading news in newsgroup GROUP.
3480 If SHOW-ALL is non-nil, already read articles are also listed.
3481 If NO-ARTICLE is non-nil, no article is selected initially.
3482 If NO-DISPLAY, don't generate a summary buffer."
3486 (let ((gnus-auto-select-next nil))
3487 (or (gnus-summary-read-group-1
3488 group show-all no-article
3489 kill-buffer no-display
3492 select-articles nil)))))
3493 (eq gnus-auto-select-next 'quietly))
3494 (set-buffer gnus-group-buffer)
3495 ;; The entry function called above goes to the next
3496 ;; group automatically, so we go two groups back
3497 ;; if we are searching for the previous group.
3499 (gnus-group-prev-unread-group 2))
3500 (if (not (equal group (gnus-group-group-name)))
3501 (setq group (gnus-group-group-name))
3505 (defun gnus-summary-jump-to-other-group (group &optional show-all)
3506 "Directly jump to the other GROUP from summary buffer.
3507 If SHOW-ALL is non-nil, already read articles are also listed."
3509 (if (eq gnus-summary-buffer (current-buffer))
3510 (list (completing-read
3511 "Group: " gnus-active-hashtb nil t
3512 (when (and gnus-newsgroup-name
3513 (string-match "[.:][^.:]+$" gnus-newsgroup-name))
3514 (substring gnus-newsgroup-name 0 (1+ (match-beginning 0))))
3515 'gnus-group-history)
3517 (error "%s must be invoked from a gnus summary buffer." this-command)))
3518 (unless (or (zerop (length group))
3519 (and gnus-newsgroup-name
3520 (string-equal gnus-newsgroup-name group)))
3522 (gnus-summary-read-group group show-all
3523 gnus-dont-select-after-jump-to-other-group)))
3525 (defun gnus-summary-read-group-1 (group show-all no-article
3526 kill-buffer no-display
3527 &optional select-articles)
3528 ;; Killed foreign groups can't be entered.
3529 ;; (when (and (not (gnus-group-native-p group))
3530 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3531 ;; (error "Dead non-native groups can't be entered"))
3532 (gnus-message 5 "Retrieving newsgroup: %s..."
3533 (gnus-group-decoded-name group))
3534 (let* ((new-group (gnus-summary-setup-buffer group))
3535 (quit-config (gnus-group-quit-config group))
3536 (did-select (and new-group (gnus-select-newsgroup
3537 group show-all select-articles))))
3539 ;; This summary buffer exists already, so we just select it.
3541 (gnus-set-global-variables)
3543 (gnus-kill-or-deaden-summary kill-buffer))
3544 (gnus-configure-windows 'summary 'force)
3545 (gnus-set-mode-line 'summary)
3546 (gnus-summary-position-point)
3549 ;; We couldn't select this group.
3551 (when (and (eq major-mode 'gnus-summary-mode)
3552 (not (equal (current-buffer) kill-buffer)))
3553 (kill-buffer (current-buffer))
3554 (if (not quit-config)
3556 ;; Update the info -- marks might need to be removed,
3558 (gnus-summary-update-info)
3559 (set-buffer gnus-group-buffer)
3560 (gnus-group-jump-to-group group)
3561 (gnus-group-next-unread-group 1))
3562 (gnus-handle-ephemeral-exit quit-config)))
3563 (let ((grpinfo (gnus-get-info group)))
3564 (if (null (gnus-info-read grpinfo))
3565 (gnus-message 3 "Group %s contains no messages"
3566 (gnus-group-decoded-name group))
3567 (gnus-message 3 "Can't select group")))
3569 ;; The user did a `C-g' while prompting for number of articles,
3570 ;; so we exit this group.
3571 ((eq did-select 'quit)
3572 (and (eq major-mode 'gnus-summary-mode)
3573 (not (equal (current-buffer) kill-buffer))
3574 (kill-buffer (current-buffer)))
3576 (gnus-kill-or-deaden-summary kill-buffer))
3577 (if (not quit-config)
3579 (set-buffer gnus-group-buffer)
3580 (gnus-group-jump-to-group group)
3581 (gnus-group-next-unread-group 1)
3582 (gnus-configure-windows 'group 'force))
3583 (gnus-handle-ephemeral-exit quit-config))
3584 ;; Finally signal the quit.
3586 ;; The group was successfully selected.
3588 (gnus-set-global-variables)
3589 ;; Save the active value in effect when the group was entered.
3590 (setq gnus-newsgroup-active
3592 (gnus-active gnus-newsgroup-name)))
3593 ;; You can change the summary buffer in some way with this hook.
3594 (gnus-run-hooks 'gnus-select-group-hook)
3595 (gnus-update-format-specifications
3596 nil 'summary 'summary-mode 'summary-dummy)
3597 (gnus-update-summary-mark-positions)
3598 ;; Do score processing.
3599 (when gnus-use-scoring
3600 (gnus-possibly-score-headers))
3601 ;; Check whether to fill in the gaps in the threads.
3602 (when gnus-build-sparse-threads
3603 (gnus-build-sparse-threads))
3604 ;; Find the initial limit.
3605 (if gnus-show-threads
3607 (let ((gnus-newsgroup-dormant nil))
3608 (gnus-summary-initial-limit show-all))
3609 (gnus-summary-initial-limit show-all))
3610 ;; When unthreaded, all articles are always shown.
3611 (setq gnus-newsgroup-limit
3613 (lambda (header) (mail-header-number header))
3614 gnus-newsgroup-headers)))
3615 ;; Generate the summary buffer.
3617 (gnus-summary-prepare))
3618 (when gnus-use-trees
3619 (gnus-tree-open group)
3620 (setq gnus-summary-highlight-line-function
3621 'gnus-tree-highlight-article))
3622 ;; If the summary buffer is empty, but there are some low-scored
3623 ;; articles or some excluded dormants, we include these in the
3625 (when (and (zerop (buffer-size))
3627 (cond (gnus-newsgroup-dormant
3628 (gnus-summary-limit-include-dormant))
3629 ((and gnus-newsgroup-scored show-all)
3630 (gnus-summary-limit-include-expunged t))))
3631 ;; Function `gnus-apply-kill-file' must be called in this hook.
3632 (gnus-run-hooks 'gnus-apply-kill-hook)
3633 (if (and (zerop (buffer-size))
3636 ;; This newsgroup is empty.
3637 (gnus-summary-catchup-and-exit nil t)
3638 (gnus-message 6 "No unread news")
3640 (gnus-kill-or-deaden-summary kill-buffer))
3641 ;; Return nil from this function.
3643 ;; Hide conversation thread subtrees. We cannot do this in
3644 ;; gnus-summary-prepare-hook since kill processing may not
3645 ;; work with hidden articles.
3646 (gnus-summary-maybe-hide-threads)
3648 (gnus-kill-or-deaden-summary kill-buffer))
3649 (gnus-summary-auto-select-subject)
3650 ;; Show first unread article if requested.
3651 (if (and (not no-article)
3653 gnus-newsgroup-unreads
3654 gnus-auto-select-first)
3656 (gnus-configure-windows 'summary)
3657 (let ((art (gnus-summary-article-number)))
3658 (unless (and (not gnus-plugged)
3659 (or (memq art gnus-newsgroup-undownloaded)
3660 (memq art gnus-newsgroup-downloadable)))
3661 (gnus-summary-goto-article art))))
3662 ;; Don't select any articles.
3663 (gnus-summary-position-point)
3664 (gnus-configure-windows 'summary 'force)
3665 (gnus-set-mode-line 'summary))
3666 (when (and gnus-auto-center-group
3667 (get-buffer-window gnus-group-buffer t))
3668 ;; Gotta use windows, because recenter does weird stuff if
3669 ;; the current buffer ain't the displayed window.
3670 (let ((owin (selected-window)))
3671 (select-window (get-buffer-window gnus-group-buffer t))
3672 (when (gnus-group-goto-group group)
3674 (select-window owin)))
3675 ;; Mark this buffer as "prepared".
3676 (setq gnus-newsgroup-prepared t)
3677 (gnus-run-hooks 'gnus-summary-prepared-hook)
3678 (unless (gnus-ephemeral-group-p group)
3679 (gnus-group-update-group group))
3682 (defun gnus-summary-auto-select-subject ()
3683 "Select the subject line on initial group entry."
3684 (goto-char (point-min))
3686 ((eq gnus-auto-select-subject 'best)
3687 (gnus-summary-best-unread-subject))
3688 ((eq gnus-auto-select-subject 'unread)
3689 (gnus-summary-first-unread-subject))
3690 ((eq gnus-auto-select-subject 'unseen)
3691 (gnus-summary-first-unseen-subject))
3692 ((eq gnus-auto-select-subject 'unseen-or-unread)
3693 (gnus-summary-first-unseen-or-unread-subject))
3694 ((eq gnus-auto-select-subject 'first)
3697 ((functionp gnus-auto-select-subject)
3698 (funcall gnus-auto-select-subject))))
3700 (defun gnus-summary-prepare ()
3701 "Generate the summary buffer."
3703 (let ((buffer-read-only nil))
3705 (setq gnus-newsgroup-data nil
3706 gnus-newsgroup-data-reverse nil)
3707 (gnus-run-hooks 'gnus-summary-generate-hook)
3708 ;; Generate the buffer, either with threads or without.
3709 (when gnus-newsgroup-headers
3710 (gnus-summary-prepare-threads
3711 (if gnus-show-threads
3712 (gnus-sort-gathered-threads
3713 (funcall gnus-summary-thread-gathering-function
3715 (gnus-cut-threads (gnus-make-threads)))))
3716 ;; Unthreaded display.
3717 (gnus-sort-articles gnus-newsgroup-headers))))
3718 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3719 ;; Call hooks for modifying summary buffer.
3720 (goto-char (point-min))
3721 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3723 (defsubst gnus-general-simplify-subject (subject)
3724 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3727 ;; Truncate the subject.
3728 (gnus-simplify-subject-functions
3729 (gnus-map-function gnus-simplify-subject-functions subject))
3730 ((numberp gnus-summary-gather-subject-limit)
3731 (setq subject (gnus-simplify-subject-re subject))
3732 (if (> (length subject) gnus-summary-gather-subject-limit)
3733 (substring subject 0 gnus-summary-gather-subject-limit)
3735 ;; Fuzzily simplify it.
3736 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3737 (gnus-simplify-subject-fuzzy subject))
3738 ;; Just remove the leading "Re:".
3740 (gnus-simplify-subject-re subject))))
3742 (if (and gnus-summary-gather-exclude-subject
3743 (string-match gnus-summary-gather-exclude-subject subject))
3744 nil ; This article shouldn't be gathered
3747 (defun gnus-summary-simplify-subject-query ()
3748 "Query where the respool algorithm would put this article."
3750 (gnus-summary-select-article)
3752 (gnus-general-simplify-subject (gnus-summary-article-subject))))
3754 (defun gnus-gather-threads-by-subject (threads)
3755 "Gather threads by looking at Subject headers."
3756 (if (not gnus-summary-make-false-root)
3758 (let ((hashtb (gnus-make-hashtable 1024))
3761 subject hthread whole-subject)
3763 (setq subject (gnus-general-simplify-subject
3764 (setq whole-subject (mail-header-subject
3767 (if (setq hthread (gnus-gethash subject hashtb))
3769 ;; We enter a dummy root into the thread, if we
3770 ;; haven't done that already.
3771 (unless (stringp (caar hthread))
3772 (setcar hthread (list whole-subject (car hthread))))
3773 ;; We add this new gathered thread to this gathered
3775 (setcdr (car hthread)
3776 (nconc (cdar hthread) (list (car threads))))
3777 ;; Remove it from the list of threads.
3778 (setcdr prev (cdr threads))
3779 (setq threads prev))
3780 ;; Enter this thread into the hash table.
3781 (gnus-sethash subject
3782 (if gnus-summary-make-false-root-always
3784 ;; If you want a dummy root above all
3786 (setcar threads (list whole-subject
3792 (setq threads (cdr threads)))
3795 (defun gnus-gather-threads-by-references (threads)
3796 "Gather threads by looking at References headers."
3797 (let ((idhashtb (gnus-make-hashtable 1024))
3798 (thhashtb (gnus-make-hashtable 1024))
3801 ids references id gthread gid entered ref)
3803 (when (setq references (mail-header-references (caar threads)))
3804 (setq id (mail-header-id (caar threads))
3805 ids (inline (gnus-split-references references))
3807 (while (setq ref (pop ids))
3808 (setq ids (delete ref ids))
3809 (if (not (setq gid (gnus-gethash ref idhashtb)))
3811 (gnus-sethash ref id idhashtb)
3812 (gnus-sethash id threads thhashtb))
3813 (setq gthread (gnus-gethash gid thhashtb))
3815 ;; We enter a dummy root into the thread, if we
3816 ;; haven't done that already.
3817 (unless (stringp (caar gthread))
3818 (setcar gthread (list (mail-header-subject (caar gthread))
3820 ;; We add this new gathered thread to this gathered
3822 (setcdr (car gthread)
3823 (nconc (cdar gthread) (list (car threads)))))
3824 ;; Add it into the thread hash table.
3825 (gnus-sethash id gthread thhashtb)
3827 ;; Remove it from the list of threads.
3828 (setcdr prev (cdr threads))
3829 (setq threads prev))))
3831 (setq threads (cdr threads)))
3834 (defun gnus-sort-gathered-threads (threads)
3835 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3836 (let ((result threads))
3838 (when (stringp (caar threads))
3839 (setcdr (car threads)
3840 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3841 (setq threads (cdr threads)))
3844 (defun gnus-thread-loop-p (root thread)
3845 "Say whether ROOT is in THREAD."
3846 (let ((stack (list thread))
3849 (while (setq thread (pop stack))
3850 (setq th (cdr thread))
3852 (not (eq (caar th) root)))
3855 ;; We have found a loop.
3857 (setcdr thread (delq (car th) (cdr thread)))
3858 (if (boundp (setq ref-dep (intern "none"
3859 gnus-newsgroup-dependencies)))
3860 (setcdr (symbol-value ref-dep)
3861 (nconc (cdr (symbol-value ref-dep))
3863 (set ref-dep (list nil (car th))))
3866 ;; Push all the subthreads onto the stack.
3867 (push (cdr thread) stack)))
3870 (defun gnus-make-threads ()
3871 "Go through the dependency hashtb and find the roots. Return all threads."
3873 (while (catch 'infloop
3876 ;; Deal with self-referencing References loops.
3877 (when (and (car (symbol-value refs))
3884 (car (symbol-value refs)) thread))
3885 (cdr (symbol-value refs)))))))
3888 (unless (car (symbol-value refs))
3889 ;; These threads do not refer back to any other articles,
3890 ;; so they're roots.
3891 (setq threads (append (cdr (symbol-value refs)) threads))))
3892 gnus-newsgroup-dependencies)))
3895 ;; Build the thread tree.
3896 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3897 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3899 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3900 if it was already present.
3902 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3903 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3904 Message-IDs will be renamed to a unique Message-ID before being
3907 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3908 (let* ((id (mail-header-id header))
3909 (id-dep (and id (intern id dependencies)))
3910 parent-id ref ref-dep ref-header replaced)
3911 ;; Enter this `header' in the `dependencies' table.
3915 ;; The first two cases do the normal part: enter a new `header'
3916 ;; in the `dependencies' table.
3917 ((not (boundp id-dep))
3918 (set id-dep (list header)))
3919 ((null (car (symbol-value id-dep)))
3920 (setcar (symbol-value id-dep) header))
3922 ;; From here the `header' was already present in the
3923 ;; `dependencies' table.
3925 ;; Overrides an existing entry;
3926 ;; just set the header part of the entry.
3927 (setcar (symbol-value id-dep) header)
3930 ;; Renames the existing `header' to a unique Message-ID.
3931 ((not gnus-summary-ignore-duplicates)
3932 ;; An article with this Message-ID has already been seen.
3933 ;; We rename the Message-ID.
3934 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3936 (mail-header-set-id header id))
3938 ;; The last case ignores an existing entry, except it adds any
3939 ;; additional Xrefs (in case the two articles came from different
3941 ;; Also sets `header' to `nil' meaning that the `dependencies'
3942 ;; table was *not* modified.
3944 (mail-header-set-xref
3945 (car (symbol-value id-dep))
3946 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3948 (or (mail-header-xref header) "")))
3951 (when (and header (not replaced))
3952 ;; First check that we are not creating a References loop.
3953 (setq parent-id (gnus-parent-id (mail-header-references header)))
3954 (setq ref parent-id)
3956 (setq ref-dep (intern-soft ref dependencies))
3958 (setq ref-header (car (symbol-value ref-dep))))
3959 (if (string= id ref)
3960 ;; Yuk! This is a reference loop. Make the article be a
3963 (mail-header-set-references (car (symbol-value id-dep)) "none")
3965 (setq parent-id nil))
3966 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3967 (setq ref-dep (intern (or parent-id "none") dependencies))
3968 (if (boundp ref-dep)
3969 (setcdr (symbol-value ref-dep)
3970 (nconc (cdr (symbol-value ref-dep))
3971 (list (symbol-value id-dep))))
3972 (set ref-dep (list nil (symbol-value id-dep)))))
3975 (defun gnus-extract-message-id-from-in-reply-to (string)
3976 (if (string-match "<[^>]+>" string)
3977 (substring string (match-beginning 0) (match-end 0))
3980 (defun gnus-build-sparse-threads ()
3981 (let ((headers gnus-newsgroup-headers)
3982 (mail-parse-charset gnus-newsgroup-charset)
3983 (gnus-summary-ignore-duplicates t)
3984 header references generation relations
3985 subject child end new-child date)
3986 ;; First we create an alist of generations/relations, where
3987 ;; generations is how much we trust the relation, and the relation
3989 (gnus-message 7 "Making sparse threads...")
3991 (nnheader-set-temp-buffer " *gnus sparse threads*")
3992 (while (setq header (pop headers))
3993 (when (and (setq references (mail-header-references header))
3994 (not (string= references "")))
3996 (setq child (mail-header-id header)
3997 subject (mail-header-subject header)
3998 date (mail-header-date header)
4000 (while (search-backward ">" nil t)
4001 (setq end (1+ (point)))
4002 (when (search-backward "<" nil t)
4003 (setq new-child (buffer-substring (point) end))
4004 (push (list (incf generation)
4005 child (setq child new-child)
4009 (push (list (1+ generation) child nil subject) relations))
4011 (kill-buffer (current-buffer)))
4012 ;; Sort over trustworthiness.
4015 (when (gnus-dependencies-add-header
4016 (make-full-mail-header-from-decoded-header
4017 gnus-reffed-article-number
4018 (nth 3 relation) "" (or (nth 4 relation) "")
4020 (or (nth 2 relation) "") 0 0 "")
4021 gnus-newsgroup-dependencies nil)
4022 (push gnus-reffed-article-number gnus-newsgroup-limit)
4023 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4024 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4025 gnus-newsgroup-reads)
4026 (decf gnus-reffed-article-number)))
4027 (sort relations 'car-less-than-car))
4028 (gnus-message 7 "Making sparse threads...done")))
4030 (defun gnus-build-old-threads ()
4031 ;; Look at all the articles that refer back to old articles, and
4032 ;; fetch the headers for the articles that aren't there. This will
4033 ;; build complete threads - if the roots haven't been expired by the
4035 (let ((mail-parse-charset gnus-newsgroup-charset)
4039 (when (not (car (symbol-value refs)))
4040 (setq heads (cdr (symbol-value refs)))
4042 (if (memq (mail-header-number (caar heads))
4043 gnus-newsgroup-dormant)
4044 (setq heads (cdr heads))
4045 (setq id (symbol-name refs))
4046 (while (and (setq id (gnus-build-get-header id))
4047 (not (car (gnus-id-to-thread id)))))
4048 (setq heads nil)))))
4049 gnus-newsgroup-dependencies)))
4051 (defsubst gnus-remove-odd-characters (string)
4052 "Translate STRING into something that doesn't contain weird characters."
4053 (mm-subst-char-in-string
4055 (mm-subst-char-in-string ?\n ?\- string t) t))
4057 ;; This function has to be called with point after the article number
4058 ;; on the beginning of the line.
4059 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4060 (let ((eol (point-at-eol))
4061 (buffer (current-buffer))
4062 header references in-reply-to)
4064 ;; overview: [num subject from date id refs chars lines misc]
4067 (narrow-to-region (point) eol)
4072 (make-full-mail-header
4074 (nnheader-nov-field) ; subject
4075 (nnheader-nov-field) ; from
4076 (nnheader-nov-field) ; date
4077 (nnheader-nov-read-message-id) ; id
4078 (nnheader-nov-field) ; refs
4079 (nnheader-nov-read-integer) ; chars
4080 (nnheader-nov-read-integer) ; lines
4082 (if (looking-at "Xref: ")
4083 (goto-char (match-end 0)))
4084 (nnheader-nov-field)) ; Xref
4085 (nnheader-nov-parse-extra)))) ; extra
4089 (when (and (string= references "")
4090 (setq in-reply-to (mail-header-extra header))
4091 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4092 (mail-header-set-references
4093 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4095 (when gnus-alter-header-function
4096 (funcall gnus-alter-header-function header))
4097 (gnus-dependencies-add-header header dependencies force-new)))
4099 (defun gnus-build-get-header (id)
4100 "Look through the buffer of NOV lines and find the header to ID.
4101 Enter this line into the dependencies hash table, and return
4102 the id of the parent article (if any)."
4103 (let ((deps gnus-newsgroup-dependencies)
4107 (set-buffer nntp-server-buffer)
4108 (let ((case-fold-search nil))
4109 (goto-char (point-min))
4110 (while (and (not found)
4111 (search-forward id nil t))
4113 (setq found (looking-at
4114 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4115 (regexp-quote id))))
4116 (or found (beginning-of-line 2)))
4120 (setq header (gnus-nov-parse-line
4121 (read (current-buffer)) deps))
4122 (gnus-parent-id (mail-header-references header))))))
4124 (let ((number (mail-header-number header)))
4125 (push number gnus-newsgroup-limit)
4126 (push header gnus-newsgroup-headers)
4127 (if (memq number gnus-newsgroup-unselected)
4129 (setq gnus-newsgroup-unreads
4130 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4132 (setq gnus-newsgroup-unselected
4133 (delq number gnus-newsgroup-unselected)))
4134 (push number gnus-newsgroup-ancient)))))))
4136 (defun gnus-build-all-threads ()
4137 "Read all the headers."
4138 (let ((gnus-summary-ignore-duplicates t)
4139 (mail-parse-charset gnus-newsgroup-charset)
4140 (dependencies gnus-newsgroup-dependencies)
4143 (set-buffer nntp-server-buffer)
4144 (let ((case-fold-search nil))
4145 (goto-char (point-min))
4148 (setq article (read (current-buffer))
4149 header (gnus-nov-parse-line article dependencies)))
4151 (with-current-buffer gnus-summary-buffer
4152 (push header gnus-newsgroup-headers)
4153 (if (memq (setq article (mail-header-number header))
4154 gnus-newsgroup-unselected)
4156 (setq gnus-newsgroup-unreads
4157 (gnus-add-to-sorted-list
4158 gnus-newsgroup-unreads article))
4159 (setq gnus-newsgroup-unselected
4160 (delq article gnus-newsgroup-unselected)))
4161 (push article gnus-newsgroup-ancient)))
4162 (forward-line 1)))))))
4164 (defun gnus-summary-update-article-line (article header)
4165 "Update the line for ARTICLE using HEADER."
4166 (let* ((id (mail-header-id header))
4167 (thread (gnus-id-to-thread id)))
4169 (error "Article in no thread"))
4170 ;; Update the thread.
4171 (setcar thread header)
4172 (gnus-summary-goto-subject article)
4173 (let* ((datal (gnus-data-find-list article))
4175 (buffer-read-only nil)
4176 (level (gnus-summary-thread-level)))
4178 (let ((inserted (- (point)
4180 (gnus-summary-insert-line
4182 (memq article gnus-newsgroup-undownloaded)
4183 (gnus-article-mark article)
4184 (memq article gnus-newsgroup-replied)
4185 (memq article gnus-newsgroup-expirable)
4186 ;; Only insert the Subject string when it's different
4187 ;; from the previous Subject string.
4192 (mail-header-subject
4195 (gnus-data-find-list
4197 (gnus-data-list t)))))
4198 ;; Error on the side of excessive subjects.
4200 (mail-header-subject header)))
4202 (mail-header-subject header))
4203 nil (cdr (assq article gnus-newsgroup-scored))
4204 (memq article gnus-newsgroup-processable))
4207 (gnus-data-update-list
4209 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4211 (defun gnus-summary-update-article (article &optional iheader)
4212 "Update ARTICLE in the summary buffer."
4213 (set-buffer gnus-summary-buffer)
4214 (let* ((header (gnus-summary-article-header article))
4215 (id (mail-header-id header))
4216 (data (gnus-data-find article))
4217 (thread (gnus-id-to-thread id))
4218 (references (mail-header-references header))
4222 (when (and references
4223 (not (equal "" references)))
4226 (buffer-read-only nil)
4232 (delq thread parent)))
4233 (if (gnus-summary-insert-subject id header)
4234 ;; Set the (possibly) new article number in the data structure.
4235 (gnus-data-set-number data (gnus-id-to-article id))
4239 (defun gnus-rebuild-thread (id &optional line)
4240 "Rebuild the thread containing ID.
4241 If LINE, insert the rebuilt thread starting on line LINE."
4242 (let ((buffer-read-only nil)
4243 old-pos current thread data)
4244 (if (not gnus-show-threads)
4245 (setq thread (list (car (gnus-id-to-thread id))))
4246 ;; Get the thread this article is part of.
4247 (setq thread (gnus-remove-thread id)))
4248 (setq old-pos (point-at-bol))
4249 (setq current (save-excursion
4250 (and (re-search-backward "[\r\n]" nil t)
4251 (gnus-summary-article-number))))
4252 ;; If this is a gathered thread, we have to go some re-gathering.
4253 (when (stringp (car thread))
4254 (let ((subject (car thread))
4256 (setq thread (cdr thread))
4258 (unless (memq (setq thr (gnus-id-to-thread
4260 (mail-header-id (caar thread)))))
4263 (setq thread (cdr thread)))
4264 ;; We now have all (unique) roots.
4265 (if (= (length roots) 1)
4266 ;; All the loose roots are now one solid root.
4267 (setq thread (car roots))
4268 (setq thread (cons subject (gnus-sort-threads roots))))))
4270 ;; We then insert this thread into the summary buffer.
4272 (goto-char (point-min))
4273 (forward-line (1- line)))
4274 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4275 (if gnus-show-threads
4276 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4277 (gnus-summary-prepare-unthreaded thread))
4278 (setq data (nreverse gnus-newsgroup-data))
4279 (setq threads gnus-newsgroup-threads))
4280 ;; We splice the new data into the data structure.
4281 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4282 ;;!!! then we want to insert at the beginning of the buffer.
4283 ;;!!! That happens to be true with Gnus now, but that may
4284 ;;!!! change in the future. Perhaps.
4285 (gnus-data-enter-list
4286 (if line nil current) data (- (point) old-pos))
4287 (setq gnus-newsgroup-threads
4288 (nconc threads gnus-newsgroup-threads))
4289 (gnus-data-compute-positions))))
4291 (defun gnus-number-to-header (number)
4292 "Return the header for article NUMBER."
4293 (let ((headers gnus-newsgroup-headers))
4295 (not (= number (mail-header-number (car headers)))))
4300 (defun gnus-parent-headers (in-headers &optional generation)
4301 "Return the headers of the GENERATIONeth parent of HEADERS."
4303 (setq generation 1))
4305 (headers in-headers)
4308 (not (zerop generation))
4309 (setq references (mail-header-references headers)))
4310 (setq headers (if (and references
4311 (setq parent (gnus-parent-id references)))
4312 (car (gnus-id-to-thread parent))
4315 (and (not (eq headers in-headers))
4318 (defun gnus-id-to-thread (id)
4319 "Return the (sub-)thread where ID appears."
4320 (gnus-gethash id gnus-newsgroup-dependencies))
4322 (defun gnus-id-to-article (id)
4323 "Return the article number of ID."
4324 (let ((thread (gnus-id-to-thread id)))
4327 (mail-header-number (car thread)))))
4329 (defun gnus-id-to-header (id)
4330 "Return the article headers of ID."
4331 (car (gnus-id-to-thread id)))
4333 (defun gnus-article-displayed-root-p (article)
4334 "Say whether ARTICLE is a root(ish) article."
4335 (let ((level (gnus-summary-thread-level article))
4336 (refs (mail-header-references (gnus-summary-article-header article)))
4342 ((null (gnus-parent-id refs)) t)
4344 (null (setq particle (gnus-id-to-article
4345 (gnus-parent-id refs))))
4346 (null (gnus-summary-thread-level particle)))))))
4348 (defun gnus-root-id (id)
4349 "Return the id of the root of the thread where ID appears."
4351 (while (and id (setq prev (car (gnus-id-to-thread id))))
4353 id (gnus-parent-id (mail-header-references prev))))
4356 (defun gnus-articles-in-thread (thread)
4357 "Return the list of articles in THREAD."
4358 (cons (mail-header-number (car thread))
4359 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4361 (defun gnus-remove-thread (id &optional dont-remove)
4362 "Remove the thread that has ID in it."
4363 (let (headers thread last-id)
4364 ;; First go up in this thread until we find the root.
4365 (setq last-id (gnus-root-id id)
4366 headers (message-flatten-list (gnus-id-to-thread last-id)))
4367 ;; We have now found the real root of this thread. It might have
4368 ;; been gathered into some loose thread, so we have to search
4369 ;; through the threads to find the thread we wanted.
4370 (let ((threads gnus-newsgroup-threads)
4373 (setq sub (car threads))
4374 (if (stringp (car sub))
4375 ;; This is a gathered thread, so we look at the roots
4376 ;; below it to find whether this article is in this
4379 (setq sub (cdr sub))
4381 (when (member (caar sub) headers)
4382 (setq thread (car threads)
4385 (setq sub (cdr sub))))
4386 ;; It's an ordinary thread, so we check it.
4387 (when (eq (car sub) (car headers))
4390 (setq threads (cdr threads)))
4391 ;; If this article is in no thread, then it's a root.
4394 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4395 (setq thread (gnus-id-to-thread last-id)))
4398 thread ; We return this thread.
4400 (if (stringp (car thread))
4402 ;; If we use dummy roots, then we have to remove the
4403 ;; dummy root as well.
4404 (when (eq gnus-summary-make-false-root 'dummy)
4405 ;; We go to the dummy root by going to
4406 ;; the first sub-"thread", and then one line up.
4407 (gnus-summary-goto-article
4408 (mail-header-number (caadr thread)))
4411 (gnus-data-compute-positions))
4412 (setq thread (cdr thread))
4414 (gnus-remove-thread-1 (car thread))
4415 (setq thread (cdr thread))))
4416 (gnus-remove-thread-1 thread))))))))
4418 (defun gnus-remove-thread-1 (thread)
4419 "Remove the thread THREAD recursively."
4420 (let ((number (mail-header-number (pop thread)))
4422 (setq thread (reverse thread))
4424 (gnus-remove-thread-1 (pop thread)))
4425 (when (setq d (gnus-data-find number))
4426 (goto-char (gnus-data-pos d))
4427 (gnus-summary-show-thread)
4433 (gnus-delete-line)))))))
4435 (defun gnus-sort-threads-1 (threads func)
4436 (sort (mapcar (lambda (thread)
4439 (gnus-sort-threads-1 (cdr thread) func))))
4442 (defun gnus-sort-threads (threads)
4444 (if (not gnus-thread-sort-functions)
4446 (gnus-message 8 "Sorting threads...")
4447 (let ((max-lisp-eval-depth 5000))
4448 (prog1 (gnus-sort-threads-1
4450 (gnus-make-sort-function gnus-thread-sort-functions))
4451 (gnus-message 8 "Sorting threads...done")))))
4453 (defun gnus-sort-articles (articles)
4455 (when gnus-article-sort-functions
4456 (gnus-message 7 "Sorting articles...")
4458 (setq gnus-newsgroup-headers
4459 (sort articles (gnus-make-sort-function
4460 gnus-article-sort-functions)))
4461 (gnus-message 7 "Sorting articles...done"))))
4463 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4464 (defmacro gnus-thread-header (thread)
4465 "Return header of first article in THREAD.
4466 Note that THREAD must never, ever be anything else than a variable -
4467 using some other form will lead to serious barfage."
4468 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4469 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4470 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4473 (defsubst gnus-article-sort-by-number (h1 h2)
4474 "Sort articles by article number."
4475 (< (mail-header-number h1)
4476 (mail-header-number h2)))
4478 (defun gnus-thread-sort-by-number (h1 h2)
4479 "Sort threads by root article number."
4480 (gnus-article-sort-by-number
4481 (gnus-thread-header h1) (gnus-thread-header h2)))
4483 (defsubst gnus-article-sort-by-random (h1 h2)
4484 "Sort articles by article number."
4487 (defun gnus-thread-sort-by-random (h1 h2)
4488 "Sort threads by root article number."
4489 (gnus-article-sort-by-random
4490 (gnus-thread-header h1) (gnus-thread-header h2)))
4492 (defsubst gnus-article-sort-by-lines (h1 h2)
4493 "Sort articles by article Lines header."
4494 (< (mail-header-lines h1)
4495 (mail-header-lines h2)))
4497 (defun gnus-thread-sort-by-lines (h1 h2)
4498 "Sort threads by root article Lines header."
4499 (gnus-article-sort-by-lines
4500 (gnus-thread-header h1) (gnus-thread-header h2)))
4502 (defsubst gnus-article-sort-by-chars (h1 h2)
4503 "Sort articles by octet length."
4504 (< (mail-header-chars h1)
4505 (mail-header-chars h2)))
4507 (defun gnus-thread-sort-by-chars (h1 h2)
4508 "Sort threads by root article octet length."
4509 (gnus-article-sort-by-chars
4510 (gnus-thread-header h1) (gnus-thread-header h2)))
4512 (defsubst gnus-article-sort-by-author (h1 h2)
4513 "Sort articles by root author."
4515 (let ((addr (car (mime-entity-read-field h1 'From))))
4516 (or (std11-full-name-string addr)
4517 (std11-address-string addr)
4519 (let ((addr (car (mime-entity-read-field h2 'From))))
4520 (or (std11-full-name-string addr)
4521 (std11-address-string addr)
4525 (defun gnus-thread-sort-by-author (h1 h2)
4526 "Sort threads by root author."
4527 (gnus-article-sort-by-author
4528 (gnus-thread-header h1) (gnus-thread-header h2)))
4530 (defsubst gnus-article-sort-by-subject (h1 h2)
4531 "Sort articles by root subject."
4533 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4534 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4536 (defun gnus-thread-sort-by-subject (h1 h2)
4537 "Sort threads by root subject."
4538 (gnus-article-sort-by-subject
4539 (gnus-thread-header h1) (gnus-thread-header h2)))
4541 (defsubst gnus-article-sort-by-date (h1 h2)
4542 "Sort articles by root article date."
4544 (gnus-date-get-time (mail-header-date h1))
4545 (gnus-date-get-time (mail-header-date h2))))
4547 (defun gnus-thread-sort-by-date (h1 h2)
4548 "Sort threads by root article date."
4549 (gnus-article-sort-by-date
4550 (gnus-thread-header h1) (gnus-thread-header h2)))
4552 (defsubst gnus-article-sort-by-score (h1 h2)
4553 "Sort articles by root article score.
4554 Unscored articles will be counted as having a score of zero."
4555 (> (or (cdr (assq (mail-header-number h1)
4556 gnus-newsgroup-scored))
4557 gnus-summary-default-score 0)
4558 (or (cdr (assq (mail-header-number h2)
4559 gnus-newsgroup-scored))
4560 gnus-summary-default-score 0)))
4562 (defun gnus-thread-sort-by-score (h1 h2)
4563 "Sort threads by root article score."
4564 (gnus-article-sort-by-score
4565 (gnus-thread-header h1) (gnus-thread-header h2)))
4567 (defun gnus-thread-sort-by-total-score (h1 h2)
4568 "Sort threads by the sum of all scores in the thread.
4569 Unscored articles will be counted as having a score of zero."
4570 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4572 (defun gnus-thread-total-score (thread)
4573 ;; This function find the total score of THREAD.
4578 (if (stringp (car thread))
4579 (apply gnus-thread-score-function 0
4580 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4581 (gnus-thread-total-score-1 thread)))
4583 (gnus-thread-total-score-1 (list thread)))))
4585 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4586 "Sort threads such that the thread with the most recently arrived article comes first."
4587 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4589 (defun gnus-thread-highest-number (thread)
4590 "Return the highest article number in THREAD."
4591 (apply 'max (mapcar (lambda (header)
4592 (mail-header-number header))
4593 (message-flatten-list thread))))
4595 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4596 "Sort threads such that the thread with the most recently dated article comes first."
4597 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4599 (defun gnus-thread-latest-date (thread)
4600 "Return the highest article date in THREAD."
4601 (let ((previous-time 0))
4607 (time-to-seconds (mail-header-parse-date
4608 (mail-header-date header)))
4609 (error previous-time))))
4611 (message-flatten-list thread)
4613 (< (mail-header-number h1)
4614 (mail-header-number h2))))))))
4616 (defun gnus-thread-total-score-1 (root)
4617 ;; This function find the total score of the thread below ROOT.
4618 (setq root (car root))
4619 (apply gnus-thread-score-function
4621 (mapcar 'gnus-thread-total-score
4622 (cdr (gnus-id-to-thread (mail-header-id root))))
4623 (when (> (mail-header-number root) 0)
4624 (list (or (cdr (assq (mail-header-number root)
4625 gnus-newsgroup-scored))
4626 gnus-summary-default-score 0))))
4627 (list gnus-summary-default-score)
4630 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4631 (defvar gnus-tmp-prev-subject nil)
4632 (defvar gnus-tmp-false-parent nil)
4633 (defvar gnus-tmp-root-expunged nil)
4634 (defvar gnus-tmp-dummy-line nil)
4636 (eval-when-compile (defvar gnus-tmp-header))
4637 (defun gnus-extra-header (type &optional header)
4638 "Return the extra header of TYPE."
4639 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4642 (defvar gnus-tmp-thread-tree-header-string "")
4644 (defcustom gnus-sum-thread-tree-root "> "
4645 "With %B spec, used for the root of a thread.
4646 If nil, use subject instead."
4647 :type '(radio (const :format "%v " nil) (string :size 0))
4648 :group 'gnus-thread)
4649 (defcustom gnus-sum-thread-tree-false-root "> "
4650 "With %B spec, used for a false root of a thread.
4651 If nil, use subject instead."
4652 :type '(radio (const :format "%v " nil) (string :size 0))
4653 :group 'gnus-thread)
4654 (defcustom gnus-sum-thread-tree-single-indent ""
4655 "With %B spec, used for a thread with just one message.
4656 If nil, use subject instead."
4657 :type '(radio (const :format "%v " nil) (string :size 0))
4658 :group 'gnus-thread)
4659 (defcustom gnus-sum-thread-tree-vertical "| "
4660 "With %B spec, used for drawing a vertical line."
4662 :group 'gnus-thread)
4663 (defcustom gnus-sum-thread-tree-indent " "
4664 "With %B spec, used for indenting."
4666 :group 'gnus-thread)
4667 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4668 "With %B spec, used for a leaf with brothers."
4670 :group 'gnus-thread)
4671 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4672 "With %B spec, used for a leaf without brothers."
4674 :group 'gnus-thread)
4676 (defun gnus-summary-prepare-threads (threads)
4677 "Prepare summary buffer from THREADS and indentation LEVEL.
4678 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4679 or a straight list of headers."
4680 (gnus-message 7 "Generating summary...")
4682 (setq gnus-newsgroup-threads threads)
4685 (let ((gnus-tmp-level 0)
4686 (default-score (or gnus-summary-default-score 0))
4687 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4688 (building-line-count gnus-summary-display-while-building)
4689 (building-count (integerp gnus-summary-display-while-building))
4690 thread number subject stack state gnus-tmp-gathered beg-match
4691 new-roots gnus-tmp-new-adopts thread-end simp-subject
4692 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4693 gnus-tmp-replied gnus-tmp-subject-or-nil
4694 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4695 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4696 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4699 (setq gnus-tmp-prev-subject nil
4700 gnus-tmp-thread-tree-header-string "")
4702 (if (vectorp (car threads))
4703 ;; If this is a straight (sic) list of headers, then a
4704 ;; threaded summary display isn't required, so we just create
4705 ;; an unthreaded one.
4706 (gnus-summary-prepare-unthreaded threads)
4708 ;; Do the threaded display.
4710 (if gnus-summary-display-while-building
4711 (switch-to-buffer (buffer-name)))
4712 (while (or threads stack gnus-tmp-new-adopts new-roots)
4714 (if (and (= gnus-tmp-level 0)
4717 (not gnus-tmp-false-parent)
4718 (or gnus-tmp-new-adopts new-roots))
4719 (if gnus-tmp-new-adopts
4720 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4721 thread (list (car gnus-tmp-new-adopts))
4722 gnus-tmp-header (caar thread)
4723 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4725 (setq thread (list (car new-roots))
4726 gnus-tmp-header (caar thread)
4727 new-roots (cdr new-roots))))
4730 ;; If there are some threads, we do them before the
4731 ;; threads on the stack.
4732 (setq thread threads
4733 gnus-tmp-header (caar thread))
4734 ;; There were no current threads, so we pop something off
4736 (setq state (car stack)
4737 gnus-tmp-level (car state)
4738 tree-stack (cadr state)
4739 thread (caddr state)
4741 gnus-tmp-header (caar thread))))
4743 (setq gnus-tmp-false-parent nil)
4744 (setq gnus-tmp-root-expunged nil)
4745 (setq thread-end nil)
4747 (if (stringp gnus-tmp-header)
4748 ;; The header is a dummy root.
4750 ((eq gnus-summary-make-false-root 'adopt)
4751 ;; We let the first article adopt the rest.
4752 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4754 (setq gnus-tmp-gathered
4756 (lambda (h) (mail-header-number (car h)))
4759 (setq thread (cons (list (caar thread)
4762 (setq gnus-tmp-level -1
4763 gnus-tmp-false-parent t))
4764 ((eq gnus-summary-make-false-root 'empty)
4765 ;; We print adopted articles with empty subject fields.
4766 (setq gnus-tmp-gathered
4768 (lambda (h) (mail-header-number (car h)))
4771 (setq gnus-tmp-level -1))
4772 ((eq gnus-summary-make-false-root 'dummy)
4773 ;; We remember that we probably want to output a dummy
4775 (setq gnus-tmp-dummy-line gnus-tmp-header)
4776 (setq gnus-tmp-prev-subject gnus-tmp-header))
4778 ;; We do not make a root for the gathered
4779 ;; sub-threads at all.
4780 (setq gnus-tmp-level -1)))
4782 (setq number (mail-header-number gnus-tmp-header)
4783 subject (mail-header-subject gnus-tmp-header)
4784 simp-subject (gnus-simplify-subject-fully subject))
4787 ;; If the thread has changed subject, we might want to make
4788 ;; this subthread into a root.
4789 ((and (null gnus-thread-ignore-subject)
4790 (not (zerop gnus-tmp-level))
4791 gnus-tmp-prev-subject
4792 (not (string= gnus-tmp-prev-subject simp-subject)))
4793 (setq new-roots (nconc new-roots (list (car thread)))
4795 gnus-tmp-header nil))
4796 ;; If the article lies outside the current limit,
4797 ;; then we do not display it.
4798 ((not (memq number gnus-newsgroup-limit))
4799 (setq gnus-tmp-gathered
4801 (lambda (h) (mail-header-number (car h)))
4804 (setq gnus-tmp-new-adopts (if (cdar thread)
4805 (append gnus-tmp-new-adopts
4807 gnus-tmp-new-adopts)
4809 gnus-tmp-header nil)
4810 (when (zerop gnus-tmp-level)
4811 (setq gnus-tmp-root-expunged t)))
4812 ;; Perhaps this article is to be marked as read?
4813 ((and gnus-summary-mark-below
4814 (< (or (cdr (assq number gnus-newsgroup-scored))
4816 gnus-summary-mark-below)
4817 ;; Don't touch sparse articles.
4818 (not (gnus-summary-article-sparse-p number))
4819 (not (gnus-summary-article-ancient-p number)))
4820 (setq gnus-newsgroup-unreads
4821 (delq number gnus-newsgroup-unreads))
4822 (if gnus-newsgroup-auto-expire
4823 (setq gnus-newsgroup-expirable
4824 (gnus-add-to-sorted-list
4825 gnus-newsgroup-expirable number))
4826 (push (cons number gnus-low-score-mark)
4827 gnus-newsgroup-reads))))
4829 (when gnus-tmp-header
4830 ;; We may have an old dummy line to output before this
4832 (when (and gnus-tmp-dummy-line
4835 (mail-header-subject gnus-tmp-header)))
4836 (gnus-summary-insert-dummy-line
4837 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4838 (setq gnus-tmp-dummy-line nil))
4840 ;; Compute the mark.
4841 (setq gnus-tmp-unread (gnus-article-mark number))
4843 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4844 gnus-tmp-header gnus-tmp-level)
4845 gnus-newsgroup-data)
4847 ;; Actually insert the line.
4849 gnus-tmp-subject-or-nil
4851 ((and gnus-thread-ignore-subject
4852 gnus-tmp-prev-subject
4853 (not (string= gnus-tmp-prev-subject simp-subject)))
4855 ((zerop gnus-tmp-level)
4856 (if (and (eq gnus-summary-make-false-root 'empty)
4857 (memq number gnus-tmp-gathered)
4858 gnus-tmp-prev-subject
4859 (string= gnus-tmp-prev-subject simp-subject))
4860 gnus-summary-same-subject
4862 (t gnus-summary-same-subject)))
4863 (if (and (eq gnus-summary-make-false-root 'adopt)
4864 (= gnus-tmp-level 1)
4865 (memq number gnus-tmp-gathered))
4866 (setq gnus-tmp-opening-bracket ?\<
4867 gnus-tmp-closing-bracket ?\>)
4868 (setq gnus-tmp-opening-bracket ?\[
4869 gnus-tmp-closing-bracket ?\]))
4871 gnus-tmp-indentation
4872 (aref gnus-thread-indent-array gnus-tmp-level)
4873 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4874 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4875 gnus-summary-default-score 0)
4877 (if (or (null gnus-summary-default-score)
4878 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4879 gnus-summary-zcore-fuzz))
4881 (if (< gnus-tmp-score gnus-summary-default-score)
4882 gnus-score-below-mark gnus-score-over-mark))
4884 (cond ((memq number gnus-newsgroup-processable)
4886 ((memq number gnus-newsgroup-cached)
4888 ((memq number gnus-newsgroup-replied)
4890 ((memq number gnus-newsgroup-forwarded)
4891 gnus-forwarded-mark)
4892 ((memq number gnus-newsgroup-saved)
4894 ((memq number gnus-newsgroup-recent)
4896 ((memq number gnus-newsgroup-unseen)
4900 (cond ((memq number gnus-newsgroup-undownloaded)
4901 gnus-undownloaded-mark)
4902 (gnus-newsgroup-agentized
4903 gnus-downloaded-mark)
4906 gnus-tmp-from (mail-header-from gnus-tmp-header)
4909 ((string-match "<[^>]+> *$" gnus-tmp-from)
4910 (setq beg-match (match-beginning 0))
4911 (or (and (string-match "^\".+\"" gnus-tmp-from)
4912 (substring gnus-tmp-from 1 (1- (match-end 0))))
4913 (substring gnus-tmp-from 0 beg-match)))
4914 ((string-match "(.+)" gnus-tmp-from)
4915 (substring gnus-tmp-from
4916 (1+ (match-beginning 0)) (1- (match-end 0))))
4920 gnus-tmp-thread-tree-header-string
4922 ((not gnus-show-threads) "")
4923 ((zerop gnus-tmp-level)
4924 (cond ((cdar thread)
4925 (or gnus-sum-thread-tree-root subject))
4926 (gnus-tmp-new-adopts
4927 (or gnus-sum-thread-tree-false-root subject))
4929 (or gnus-sum-thread-tree-single-indent subject))))
4931 (concat (apply 'concat
4932 (mapcar (lambda (item)
4934 gnus-sum-thread-tree-vertical
4935 gnus-sum-thread-tree-indent))
4936 (cdr (reverse tree-stack))))
4938 gnus-sum-thread-tree-leaf-with-other
4939 gnus-sum-thread-tree-single-leaf)))))
4940 (when (string= gnus-tmp-name "")
4941 (setq gnus-tmp-name gnus-tmp-from))
4942 (unless (numberp gnus-tmp-lines)
4943 (setq gnus-tmp-lines -1))
4944 (if (= gnus-tmp-lines -1)
4945 (setq gnus-tmp-lines "?")
4946 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4947 (gnus-put-text-property
4949 (progn (eval gnus-summary-line-format-spec) (point))
4950 'gnus-number number)
4953 (gnus-run-hooks 'gnus-summary-update-hook)
4956 (setq gnus-tmp-prev-subject simp-subject)))
4958 (when (nth 1 thread)
4959 (push (list (max 0 gnus-tmp-level)
4960 (copy-sequence tree-stack)
4963 (push (if (nth 1 thread) 1 0) tree-stack)
4964 (incf gnus-tmp-level)
4965 (setq threads (if thread-end nil (cdar thread)))
4966 (if gnus-summary-display-while-building
4969 ;; use a set frequency
4970 (setq building-line-count (1- building-line-count))
4971 (when (= building-line-count 0)
4973 (setq building-line-count
4974 gnus-summary-display-while-building)))
4978 (setq gnus-tmp-level 0)))))
4979 (gnus-message 7 "Generating summary...done"))
4981 (defun gnus-summary-prepare-unthreaded (headers)
4982 "Generate an unthreaded summary buffer based on HEADERS."
4983 (let (header number mark)
4988 ;; We may have to root out some bad articles...
4989 (when (memq (setq number (mail-header-number
4990 (setq header (pop headers))))
4991 gnus-newsgroup-limit)
4992 ;; Mark article as read when it has a low score.
4993 (when (and gnus-summary-mark-below
4994 (< (or (cdr (assq number gnus-newsgroup-scored))
4995 gnus-summary-default-score 0)
4996 gnus-summary-mark-below)
4997 (not (gnus-summary-article-ancient-p number)))
4998 (setq gnus-newsgroup-unreads
4999 (delq number gnus-newsgroup-unreads))
5000 (if gnus-newsgroup-auto-expire
5001 (push number gnus-newsgroup-expirable)
5002 (push (cons number gnus-low-score-mark)
5003 gnus-newsgroup-reads)))
5005 (setq mark (gnus-article-mark number))
5006 (push (gnus-data-make number mark (1+ (point)) header 0)
5007 gnus-newsgroup-data)
5008 (gnus-summary-insert-line
5010 (memq number gnus-newsgroup-undownloaded)
5011 mark (memq number gnus-newsgroup-replied)
5012 (memq number gnus-newsgroup-expirable)
5013 (mail-header-subject header) nil
5014 (cdr (assq number gnus-newsgroup-scored))
5015 (memq number gnus-newsgroup-processable))))))
5017 (defun gnus-summary-remove-list-identifiers ()
5018 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5019 (let ((regexp (if (consp gnus-list-identifiers)
5020 (mapconcat 'identity gnus-list-identifiers " *\\|")
5021 gnus-list-identifiers))
5024 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5025 (dolist (header gnus-newsgroup-headers)
5026 (setq subject (mail-header-subject header)
5028 (while (string-match regexp subject)
5030 (concat (substring subject 0 (match-beginning 1))
5031 (substring subject (match-end 0)))
5034 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5036 (concat (substring subject 0 (match-beginning 1))
5037 (substring subject (match-end 1)))))
5038 (mail-header-set-subject header subject))))))
5040 (defun gnus-fetch-headers (articles)
5041 "Fetch headers of ARTICLES."
5042 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5043 (gnus-message 5 "Fetching headers for %s..." name)
5046 (setq gnus-headers-retrieved-by
5047 (gnus-retrieve-headers
5048 articles gnus-newsgroup-name
5049 ;; We might want to fetch old headers, but
5050 ;; not if there is only 1 article.
5052 (not (eq gnus-fetch-old-headers 'some))
5053 (not (numberp gnus-fetch-old-headers)))
5054 (> (length articles) 1))
5055 gnus-fetch-old-headers))))
5056 (gnus-get-newsgroup-headers-xover
5057 articles nil nil gnus-newsgroup-name t)
5058 (gnus-get-newsgroup-headers))
5059 (gnus-message 5 "Fetching headers for %s...done" name))))
5061 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5062 "Select newsgroup GROUP.
5063 If READ-ALL is non-nil, all articles in the group are selected.
5064 If SELECT-ARTICLES, only select those articles from GROUP."
5065 (let* ((entry (gnus-group-entry group))
5066 ;;!!! Dirty hack; should be removed.
5067 (gnus-summary-ignore-duplicates
5068 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5070 gnus-summary-ignore-duplicates))
5071 (info (nth 2 entry))
5072 articles fetched-articles cached)
5074 (unless (gnus-check-server
5075 (set (make-local-variable 'gnus-current-select-method)
5076 (gnus-find-method-for-group group)))
5077 (error "Couldn't open server"))
5079 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5080 (gnus-activate-group group) ; Or we can activate it...
5081 (progn ; Or we bug out.
5082 (when (equal major-mode 'gnus-summary-mode)
5083 (gnus-kill-buffer (current-buffer)))
5084 (error "Couldn't activate group %s: %s"
5085 group (gnus-status-message group))))
5087 (unless (gnus-request-group group t)
5088 (when (equal major-mode 'gnus-summary-mode)
5089 (gnus-kill-buffer (current-buffer)))
5090 (error "Couldn't request group %s: %s"
5091 group (gnus-status-message group)))
5094 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5096 (setq gnus-summary-use-undownloaded-faces
5097 (gnus-agent-find-parameter
5099 'agent-enable-undownloaded-faces)))
5101 (setq gnus-newsgroup-name group
5102 gnus-newsgroup-unselected nil
5103 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5105 (let ((display (gnus-group-find-parameter group 'display)))
5106 (setq gnus-newsgroup-display
5108 ((not (zerop (or (car-safe read-all) 0)))
5109 ;; The user entered the group with C-u SPC/RET, let's show
5115 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5117 ;; The following is probably the "correct" solution, but
5118 ;; it makes Gnus fetch all headers and then limit the
5119 ;; articles (which is slow), so instead we hack the
5120 ;; select-articles parameter instead. -- Simon Josefsson
5123 ;; (gnus-byte-compile
5124 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5126 (setq select-articles
5127 (gnus-uncompress-range
5128 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5132 (cdr (gnus-active group)))))
5137 (gnus-summary-setup-default-charset)
5139 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5140 (when (gnus-virtual-group-p group)
5141 (setq cached gnus-newsgroup-cached))
5143 (setq gnus-newsgroup-unreads
5144 (gnus-sorted-ndifference
5145 (gnus-sorted-ndifference gnus-newsgroup-unreads
5146 gnus-newsgroup-marked)
5147 gnus-newsgroup-dormant))
5149 (setq gnus-newsgroup-processable nil)
5151 (gnus-update-read-articles group gnus-newsgroup-unreads)
5153 ;; Adjust and set lists of article marks.
5155 (gnus-adjust-marked-articles info))
5156 (if (setq articles select-articles)
5157 (setq gnus-newsgroup-unselected
5158 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5159 (setq articles (gnus-articles-to-read group read-all)))
5163 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5165 ((eq articles 0) nil)
5167 ;; Init the dependencies hash table.
5168 (setq gnus-newsgroup-dependencies
5169 (gnus-make-hashtable (length articles)))
5170 (gnus-set-global-variables)
5171 ;; Retrieve the headers and read them in.
5173 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5175 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5177 (setq gnus-newsgroup-cached cached))
5179 ;; Suppress duplicates?
5180 (when gnus-suppress-duplicates
5181 (gnus-dup-suppress-articles))
5183 ;; Set the initial limit.
5184 (setq gnus-newsgroup-limit (copy-sequence articles))
5185 ;; Remove canceled articles from the list of unread articles.
5186 (setq fetched-articles
5187 (mapcar (lambda (headers) (mail-header-number headers))
5188 gnus-newsgroup-headers))
5189 (setq gnus-newsgroup-articles fetched-articles)
5190 (setq gnus-newsgroup-unreads
5191 (gnus-sorted-nintersection
5192 gnus-newsgroup-unreads fetched-articles))
5193 (gnus-compute-unseen-list)
5195 ;; Removed marked articles that do not exist.
5196 (gnus-update-missing-marks
5197 (gnus-sorted-difference articles fetched-articles))
5198 ;; We might want to build some more threads first.
5199 (when (and gnus-fetch-old-headers
5200 (eq gnus-headers-retrieved-by 'nov))
5201 (if (eq gnus-fetch-old-headers 'invisible)
5202 (gnus-build-all-threads)
5203 (gnus-build-old-threads)))
5204 ;; Let the Gnus agent mark articles as read.
5206 (gnus-agent-get-undownloaded-list))
5207 ;; Remove list identifiers from subject
5208 (when gnus-list-identifiers
5209 (gnus-summary-remove-list-identifiers))
5210 ;; Check whether auto-expire is to be done in this group.
5211 (setq gnus-newsgroup-auto-expire
5212 (gnus-group-auto-expirable-p group))
5213 ;; Set up the article buffer now, if necessary.
5214 (unless gnus-single-article-buffer
5215 (gnus-article-setup-buffer))
5216 ;; First and last article in this newsgroup.
5217 (when gnus-newsgroup-headers
5218 (setq gnus-newsgroup-begin
5219 (mail-header-number (car gnus-newsgroup-headers))
5222 (gnus-last-element gnus-newsgroup-headers))))
5223 ;; GROUP is successfully selected.
5224 (or gnus-newsgroup-headers t)))))
5226 (defun gnus-compute-unseen-list ()
5227 ;; The `seen' marks are treated specially.
5228 (if (not gnus-newsgroup-seen)
5229 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5230 (setq gnus-newsgroup-unseen
5231 (gnus-inverse-list-range-intersection
5232 gnus-newsgroup-articles gnus-newsgroup-seen))))
5234 (defun gnus-summary-display-make-predicate (display)
5235 (require 'gnus-agent)
5236 (when (= (length display) 1)
5237 (setq display (car display)))
5238 (unless gnus-summary-display-cache
5239 (dolist (elem (append '((unread . unread)
5242 gnus-article-mark-lists))
5243 (push (cons (cdr elem)
5245 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5246 gnus-summary-display-cache)))
5247 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5248 (gnus-category-predicate-cache gnus-summary-display-cache))
5249 (gnus-get-predicate display)))
5251 ;; Uses the dynamically bound `number' variable.
5254 (defun gnus-article-marked-p (type &optional article)
5255 (let ((article (or article number)))
5258 (memq article gnus-newsgroup-marked))
5260 (memq article gnus-newsgroup-spam-marked))
5262 (memq article gnus-newsgroup-unsendable))
5263 ((eq type 'undownload)
5264 (memq article gnus-newsgroup-undownloaded))
5265 ((eq type 'download)
5266 (memq article gnus-newsgroup-downloadable))
5268 (memq article gnus-newsgroup-unreads))
5270 (memq article gnus-newsgroup-reads))
5272 (memq article gnus-newsgroup-dormant) )
5274 (memq article gnus-newsgroup-expirable))
5276 (memq article gnus-newsgroup-replied))
5278 (memq article gnus-newsgroup-killed))
5279 ((eq type 'bookmark)
5280 (assq article gnus-newsgroup-bookmarks))
5282 (assq article gnus-newsgroup-scored))
5284 (memq article gnus-newsgroup-saved))
5286 (memq article gnus-newsgroup-cached))
5288 (memq article gnus-newsgroup-forwarded))
5290 (not (memq article gnus-newsgroup-unseen)))
5292 (memq article gnus-newsgroup-recent))
5295 (defun gnus-articles-to-read (group &optional read-all)
5296 "Find out what articles the user wants to read."
5297 (let* ((display (gnus-group-find-parameter group 'display))
5299 ;; Select all articles if `read-all' is non-nil, or if there
5300 ;; are no unread articles.
5302 (and (zerop (length gnus-newsgroup-marked))
5303 (zerop (length gnus-newsgroup-unreads)))
5304 ;; Fetch all if the predicate is non-nil.
5305 gnus-newsgroup-display)
5306 ;; We want to select the headers for all the articles in
5307 ;; the group, so we select either all the active
5308 ;; articles in the group, or (if that's nil), the
5309 ;; articles in the cache.
5311 (gnus-uncompress-range (gnus-active group))
5312 (gnus-cache-articles-in-group group))
5313 ;; Select only the "normal" subset of articles.
5315 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5316 gnus-newsgroup-unreads)))
5317 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5318 (scored (length scored-list))
5319 (number (length articles))
5320 (marked (+ (length gnus-newsgroup-marked)
5321 (length gnus-newsgroup-dormant)))
5326 ((numberp gnus-newsgroup-display)
5327 gnus-newsgroup-display)
5331 ((and (or (<= scored marked) (= scored number))
5332 (numberp gnus-large-newsgroup)
5333 (> number gnus-large-newsgroup))
5334 (let* ((cursor-in-echo-area nil)
5335 (initial (gnus-parameter-large-newsgroup-initial
5336 gnus-newsgroup-name))
5340 "How many articles from %s (%s %d): "
5342 (gnus-group-decoded-name gnus-newsgroup-name)
5344 (if initial "max" "default")
5347 (cons (number-to-string initial)
5349 (if (string-match "^[ \t]*$" input) number input)))
5350 ((and (> scored marked) (< scored number)
5351 (> (- scored number) 20))
5354 (format "%s %s (%d scored, %d total): "
5355 "How many articles from"
5356 (gnus-group-decoded-name group)
5358 (if (string-match "^[ \t]*$" input)
5362 (message "Quit getting the articles to read")
5364 (setq select (if (stringp select) (string-to-number select) select))
5365 (if (or (null select) (zerop select))
5367 (if (and (not (zerop scored)) (<= (abs select) scored))
5369 (setq articles (sort scored-list '<))
5370 (setq number (length articles)))
5371 (setq articles (copy-sequence articles)))
5373 (when (< (abs select) number)
5375 ;; Select the N oldest articles.
5376 (setcdr (nthcdr (1- (abs select)) articles) nil)
5377 ;; Select the N most recent articles.
5378 (setq articles (nthcdr (- number select) articles))))
5379 (setq gnus-newsgroup-unselected
5380 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5381 (when gnus-alter-articles-to-read-function
5384 (funcall gnus-alter-articles-to-read-function
5385 gnus-newsgroup-name articles)
5389 (defun gnus-killed-articles (killed articles)
5392 (when (inline (gnus-member-of-range (car articles) killed))
5393 (push (car articles) out))
5394 (setq articles (cdr articles)))
5397 (defun gnus-uncompress-marks (marks)
5398 "Uncompress the mark ranges in MARKS."
5399 (let ((uncompressed '(score bookmark))
5402 (if (memq (caar marks) uncompressed)
5403 (push (car marks) out)
5404 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5405 (setq marks (cdr marks)))
5408 (defun gnus-article-mark-to-type (mark)
5409 "Return the type of MARK."
5410 (or (cadr (assq mark gnus-article-special-mark-lists))
5413 (defun gnus-article-unpropagatable-p (mark)
5414 "Return whether MARK should be propagated to back end."
5415 (memq mark gnus-article-unpropagated-mark-lists))
5417 (defun gnus-adjust-marked-articles (info)
5418 "Set all article lists and remove all marks that are no longer valid."
5419 (let* ((marked-lists (gnus-info-marks info))
5420 (active (gnus-active (gnus-info-group info)))
5423 (types gnus-article-mark-lists)
5424 marks var articles article mark mark-type
5427 (dolist (marks marked-lists)
5428 (setq mark (car marks)
5429 mark-type (gnus-article-mark-to-type mark)
5430 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5432 ;; We set the variable according to the type of the marks list,
5433 ;; and then adjust the marks to a subset of the active articles.
5435 ;; Adjust "simple" lists - compressed yet unsorted
5436 ((eq mark-type 'list)
5437 ;; Simultaneously uncompress and clip to active range
5438 ;; See gnus-uncompress-range for a description of possible marks
5440 (if (not (cadr marks))
5442 (setq articles (if (numberp (cddr marks))
5448 (while (setq article (pop articles))
5449 (cond ((consp article)
5450 (setq bgn (max (car article) min)
5451 end (min (cdr article) max))
5453 (setq l (setcdr l (cons bgn nil))
5455 ((and (<= min article)
5457 (setq l (setcdr l (cons article nil))))))
5458 (set var (cdr lh)))))
5460 ((eq mark-type 'tuple)
5461 (set var (setq articles (cdr marks)))
5462 (when (not (listp (cdr (symbol-value var))))
5463 (set var (list (symbol-value var))))
5464 (when (not (listp (cdr articles)))
5465 (setq articles (list articles)))
5467 (when (or (not (consp (setq article (pop articles))))
5468 (< (car article) min)
5469 (> (car article) max))
5470 (set var (delq article (symbol-value var))))))
5471 ;; Adjust ranges (sloppily).
5472 ((eq mark-type 'range)
5475 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5476 ;; It should be (seen (NUM1 . NUM2)).
5477 (when (numberp (cddr marks))
5478 (setcdr marks (list (cdr marks))))
5479 (setq articles (cdr marks))
5480 (while (and articles
5481 (or (and (consp (car articles))
5482 (> min (cdar articles)))
5483 (and (numberp (car articles))
5484 (> min (car articles)))))
5486 (set var articles))))))))
5488 (defun gnus-update-missing-marks (missing)
5489 "Go through the list of MISSING articles and remove them from the mark lists."
5492 ;; Go through all types.
5493 (dolist (elem gnus-article-mark-lists)
5494 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5495 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5496 (when (symbol-value var)
5497 ;; This list has articles. So we delete all missing
5498 ;; articles from it.
5501 (set var (delq (pop m) (symbol-value var))))))))))
5503 (defun gnus-update-marks ()
5504 "Enter the various lists of marked articles into the newsgroup info list."
5505 (let ((types gnus-article-mark-lists)
5506 (info (gnus-get-info gnus-newsgroup-name))
5507 type list newmarked symbol delta-marks)
5509 ;; Add all marks lists to the list of marks lists.
5510 (while (setq type (pop types))
5511 (setq list (symbol-value
5513 (intern (format "gnus-newsgroup-%s" (car type))))))
5516 ;; Get rid of the entries of the articles that have the
5518 (when (and (eq (cdr type) 'score)
5522 (prev (cons nil list))
5525 (if (or (not (consp (car arts)))
5526 (= (cdar arts) gnus-summary-default-score))
5527 (setcdr prev (cdr arts))
5529 (setq arts (cdr arts)))
5530 (setq list (cdr all)))))
5532 (when (eq (cdr type) 'seen)
5533 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5535 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5536 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5538 (when (and (gnus-check-backend-function
5539 'request-set-mark gnus-newsgroup-name)
5540 (not (gnus-article-unpropagatable-p (cdr type))))
5541 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5542 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5543 (add (gnus-remove-from-range
5544 (gnus-copy-sequence list) old)))
5546 (push (list add 'add (list (cdr type))) delta-marks))
5548 (push (list del 'del (list (cdr type))) delta-marks))))
5551 (push (cons (cdr type) list) newmarked)))
5554 (unless (gnus-check-group gnus-newsgroup-name)
5555 (error "Can't open server for %s" gnus-newsgroup-name))
5556 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5558 ;; Enter these new marks into the info of the group.
5560 (setcar (nthcdr 3 info) newmarked)
5561 ;; Add the marks lists to the end of the info.
5563 (setcdr (nthcdr 2 info) (list newmarked))))
5565 ;; Cut off the end of the info if there's nothing else there.
5569 (when (nthcdr (decf i) info)
5570 (setcdr (nthcdr i info) nil)))))))
5572 (defun gnus-set-mode-line (where)
5573 "Set the mode line of the article or summary buffers.
5574 If WHERE is `summary', the summary mode line format will be used."
5575 ;; Is this mode line one we keep updated?
5576 (when (and (memq where gnus-updated-mode-lines)
5578 (intern (format "gnus-%s-mode-line-format-spec" where))))
5581 ;; We evaluate this in the summary buffer since these
5582 ;; variables are buffer-local to that buffer.
5583 (set-buffer gnus-summary-buffer)
5584 ;; We bind all these variables that are used in the `eval' form
5586 (let* ((mformat (symbol-value
5588 (format "gnus-%s-mode-line-format-spec" where))))
5589 (gnus-tmp-group-name (gnus-group-decoded-name
5590 gnus-newsgroup-name))
5591 (gnus-tmp-article-number (or gnus-current-article 0))
5592 (gnus-tmp-unread gnus-newsgroup-unreads)
5593 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5594 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5595 (gnus-tmp-unread-and-unselected
5596 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5597 (zerop gnus-tmp-unselected))
5599 ((zerop gnus-tmp-unselected)
5600 (format "{%d more}" gnus-tmp-unread-and-unticked))
5601 (t (format "{%d(+%d) more}"
5602 gnus-tmp-unread-and-unticked
5603 gnus-tmp-unselected))))
5605 (if (and gnus-current-headers
5606 (vectorp gnus-current-headers))
5607 (gnus-mode-string-quote
5608 (mail-header-subject gnus-current-headers))
5610 bufname-length max-len
5611 gnus-tmp-header);; passed as argument to any user-format-funcs
5612 (setq mode-string (eval mformat))
5613 (setq bufname-length (if (string-match "%b" mode-string)
5616 (if (eq where 'summary)
5618 (get-buffer gnus-article-buffer))))
5621 (setq max-len (max 4 (if gnus-mode-non-string-length
5623 gnus-mode-non-string-length
5625 (length mode-string))))
5626 ;; We might have to chop a bit of the string off...
5627 (when (> (length mode-string) max-len)
5629 (concat (gnus-truncate-string mode-string (- max-len 3))
5631 ;; Pad the mode string a bit.
5632 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5633 ;; Update the mode line.
5634 (setq mode-line-buffer-identification
5635 (gnus-mode-line-buffer-identification (list mode-string)))
5636 (set-buffer-modified-p t))))
5638 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5639 "Go through the HEADERS list and add all Xrefs to a hash table.
5640 The resulting hash table is returned, or nil if no Xrefs were found."
5641 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5642 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5643 (xref-hashtb (gnus-make-hashtable))
5644 start group entry number xrefs header)
5646 (setq header (pop headers))
5647 (when (and (setq xrefs (mail-header-xref header))
5648 (not (memq (setq number (mail-header-number header))
5651 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5652 (setq start (match-end 0))
5653 (setq group (if prefix
5654 (concat prefix (substring xrefs (match-beginning 1)
5656 (substring xrefs (match-beginning 1) (match-end 1))))
5658 (string-to-int (substring xrefs (match-beginning 2)
5660 (if (setq entry (gnus-gethash group xref-hashtb))
5661 (setcdr entry (cons number (cdr entry)))
5662 (gnus-sethash group (cons number nil) xref-hashtb)))))
5663 (and start xref-hashtb)))
5665 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5666 "Look through all the headers and mark the Xrefs as read."
5667 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5668 name info xref-hashtb idlist method nth4)
5670 (set-buffer gnus-group-buffer)
5671 (when (setq xref-hashtb
5672 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5675 (unless (string= from-newsgroup (setq name (symbol-name group)))
5676 (setq idlist (symbol-value group))
5677 ;; Dead groups are not updated.
5679 (setq info (gnus-get-info name))
5680 (when (stringp (setq nth4 (gnus-info-method info)))
5681 (setq nth4 (gnus-server-to-method nth4))))
5682 ;; Only do the xrefs if the group has the same
5683 ;; select method as the group we have just read.
5684 (or (gnus-methods-equal-p
5685 nth4 (gnus-find-method-for-group from-newsgroup))
5687 (equal nth4 (setq method (gnus-find-method-for-group
5689 (and (equal (car nth4) (car method))
5690 (equal (nth 1 nth4) (nth 1 method))))
5691 gnus-use-cross-reference
5692 (or (not (eq gnus-use-cross-reference t))
5694 ;; Only do cross-references on subscribed
5695 ;; groups, if that is what is wanted.
5696 (<= (gnus-info-level info) gnus-level-subscribed))
5697 (gnus-group-make-articles-read name idlist))))
5700 (defun gnus-compute-read-articles (group articles)
5701 (let* ((entry (gnus-group-entry group))
5702 (info (nth 2 entry))
5703 (active (gnus-active group))
5706 ;; First peel off all invalid article numbers.
5708 (let ((ids articles)
5710 (while (setq id (pop ids))
5711 (when (and first (> id (cdr active)))
5712 ;; We'll end up in this situation in one particular
5713 ;; obscure situation. If you re-scan a group and get
5714 ;; a new article that is cross-posted to a different
5715 ;; group that has not been re-scanned, you might get
5716 ;; crossposted article that has a higher number than
5717 ;; Gnus believes possible. So we re-activate this
5718 ;; group as well. This might mean doing the
5719 ;; crossposting thingy will *increase* the number
5720 ;; of articles in some groups. Tsk, tsk.
5721 (setq active (or (gnus-activate-group group) active)))
5722 (when (or (> id (cdr active))
5723 (< id (car active)))
5724 (setq articles (delq id articles))))))
5725 ;; If the read list is nil, we init it.
5727 (null (gnus-info-read info))
5729 (setq ninfo (cons 1 (1- (car active))))
5730 (setq ninfo (gnus-info-read info)))
5731 ;; Then we add the read articles to the range.
5733 ninfo (setq articles (sort articles '<))))))
5735 (defun gnus-group-make-articles-read (group articles)
5736 "Update the info of GROUP to say that ARTICLES are read."
5738 (entry (gnus-group-entry group))
5739 (info (nth 2 entry))
5740 (active (gnus-active group))
5743 (setq range (gnus-compute-read-articles group articles))
5744 (with-current-buffer gnus-group-buffer
5747 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5748 (gnus-info-set-read ',info ',(gnus-info-read info))
5749 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5750 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5751 (gnus-group-update-group ,group t))))
5752 ;; Add the read articles to the range.
5753 (gnus-info-set-read info range)
5754 (gnus-request-set-mark group (list (list range 'add '(read))))
5755 ;; Then we have to re-compute how many unread
5756 ;; articles there are in this group.
5760 (setq num (- (1+ (cdr active)) (car active))))
5761 ((not (listp (cdr range)))
5762 (setq num (- (cdr active) (- (1+ (cdr range))
5766 (if (numberp (car range))
5768 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5769 (setq range (cdr range)))
5770 (setq num (- (cdr active) num))))
5771 ;; Update the number of unread articles.
5773 ;; Update the group buffer.
5774 (unless (gnus-ephemeral-group-p group)
5775 (gnus-group-update-group group t))))))
5777 (defvar gnus-newsgroup-none-id 0)
5779 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5780 (let ((cur nntp-server-buffer)
5783 (with-current-buffer gnus-summary-buffer
5784 gnus-newsgroup-dependencies)))
5786 (mail-parse-charset gnus-newsgroup-charset)
5787 (mail-parse-ignored-charsets
5788 (save-excursion (condition-case nil
5789 (set-buffer gnus-summary-buffer)
5791 gnus-newsgroup-ignored-charsets)))
5793 (set-buffer nntp-server-buffer)
5794 ;; Translate all TAB characters into SPACE characters.
5795 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5796 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5797 (ietf-drums-unfold-fws)
5798 (gnus-run-hooks 'gnus-parse-headers-hook)
5799 (let ((case-fold-search t)
5800 in-reply-to header p lines chars ctype)
5801 (goto-char (point-min))
5802 ;; Search to the beginning of the next header. Error messages
5803 ;; do not begin with 2 or 3.
5804 (while (re-search-forward "^[23][0-9]+ " nil t)
5807 ;; This implementation of this function, with nine
5808 ;; search-forwards instead of the one re-search-forward and
5809 ;; a case (which basically was the old function) is actually
5810 ;; about twice as fast, even though it looks messier. You
5811 ;; can't have everything, I guess. Speed and elegance
5812 ;; doesn't always go hand in hand.
5815 (make-full-mail-header
5821 (narrow-to-region (point)
5822 (or (and (search-forward "\n.\n" nil t)
5828 (if (search-forward "\nsubject:" nil t)
5829 (nnheader-header-value)
5834 (if (search-forward "\nfrom:" nil t)
5835 (nnheader-header-value)
5840 (if (search-forward "\ndate:" nil t)
5841 (nnheader-header-value) ""))
5845 (setq id (if (re-search-forward
5846 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5847 ;; We do it this way to make sure the Message-ID
5848 ;; is (somewhat) syntactically valid.
5849 (buffer-substring (match-beginning 1)
5851 ;; If there was no message-id, we just fake one
5852 ;; to make subsequent routines simpler.
5853 (nnheader-generate-fake-message-id))))
5857 (if (search-forward "\nreferences:" nil t)
5861 (nnheader-header-value)
5866 (search-backward ">" end t)
5869 (search-backward "<" end t)
5871 ;; Get the references from the in-reply-to header if there
5872 ;; were no references and the in-reply-to header looks
5874 (if (and (search-forward "\nin-reply-to:" nil t)
5875 (setq in-reply-to (nnheader-header-value))
5876 (string-match "<[^>]+>" in-reply-to))
5878 (setq ref (substring in-reply-to (match-beginning 0)
5880 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5881 (setq ref2 (substring in-reply-to (match-beginning 0)
5883 (when (> (length ref2) (length ref))
5890 (if (search-forward "\nchars: " nil t)
5891 (if (numberp (setq chars (ignore-errors (read cur))))
5897 (if (search-forward "\nlines: " nil t)
5898 (if (numberp (setq lines (ignore-errors (read cur))))
5904 (and (search-forward "\nxref:" nil t)
5905 (nnheader-header-value)))
5907 (when gnus-extra-headers
5908 (let ((extra gnus-extra-headers)
5912 (when (search-forward
5913 (concat "\n" (symbol-name (car extra)) ":") nil t)
5914 (push (cons (car extra) (nnheader-header-value)) out))
5918 (if (and (search-forward "\ncontent-type: " nil t)
5919 (setq ctype (nnheader-header-value)))
5920 (mime-entity-set-content-type-internal
5921 header (mime-parse-Content-Type ctype)))
5922 (when (equal id ref)
5925 (when gnus-alter-header-function
5926 (funcall gnus-alter-header-function header)
5927 (setq id (mail-header-id header)
5928 ref (gnus-parent-id (mail-header-references header))))
5931 (gnus-dependencies-add-header
5932 header dependencies force-new))
5933 (push header headers))
5934 (goto-char (point-max))
5936 (nreverse headers)))))
5938 ;; Goes through the xover lines and returns a list of vectors
5939 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5940 force-new dependencies
5941 group also-fetch-heads)
5942 "Parse the news overview data in the server buffer.
5943 Return a list of headers that match SEQUENCE (see
5944 `nntp-retrieve-headers')."
5945 ;; Get the Xref when the users reads the articles since most/some
5946 ;; NNTP servers do not include Xrefs when using XOVER.
5947 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5948 (let ((mail-parse-charset gnus-newsgroup-charset)
5949 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5950 (cur nntp-server-buffer)
5951 (dependencies (or dependencies gnus-newsgroup-dependencies))
5953 ((eq gnus-read-all-available-headers t)
5955 ((stringp gnus-read-all-available-headers)
5956 (string-match gnus-read-all-available-headers group))
5959 number headers header)
5961 (set-buffer nntp-server-buffer)
5962 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5963 ;; Allow the user to mangle the headers before parsing them.
5964 (gnus-run-hooks 'gnus-parse-headers-hook)
5965 (goto-char (point-min))
5966 (gnus-parse-without-error
5967 (while (and (or sequence allp)
5969 (setq number (read cur))
5971 (while (and sequence
5972 (< (car sequence) number))
5973 (setq sequence (cdr sequence))))
5976 (eq number (car sequence))))
5978 (setq sequence (cdr sequence))
5979 (setq header (inline
5980 (gnus-nov-parse-line
5981 number dependencies force-new)))))
5982 (push header headers))
5984 ;; A common bug in inn is that if you have posted an article and
5985 ;; then retrieves the active file, it will answer correctly --
5986 ;; the new article is included. However, a NOV entry for the
5987 ;; article may not have been generated yet, so this may fail.
5988 ;; We work around this problem by retrieving the last few
5989 ;; headers using HEAD.
5990 (if (or (not also-fetch-heads)
5992 ;; We (probably) got all the headers.
5994 (let ((gnus-nov-is-evil t))
5997 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5998 (gnus-get-newsgroup-headers))))))))
6000 (defun gnus-article-get-xrefs ()
6001 "Fill in the Xref value in `gnus-current-headers', if necessary.
6002 This is meant to be called in `gnus-article-internal-prepare-hook'."
6003 (let ((headers (with-current-buffer gnus-summary-buffer
6004 gnus-current-headers)))
6005 (or (not gnus-use-cross-reference)
6007 (and (mail-header-xref headers)
6008 (not (string= (mail-header-xref headers) "")))
6009 (let ((case-fold-search t)
6012 (nnheader-narrow-to-headers)
6013 (goto-char (point-min))
6014 (when (or (and (not (eobp))
6015 (eq (downcase (char-after)) ?x)
6016 (looking-at "Xref:"))
6017 (search-forward "\nXref:" nil t))
6018 (goto-char (1+ (match-end 0)))
6019 (setq xref (buffer-substring (point) (point-at-eol)))
6020 (mail-header-set-xref headers xref)))))))
6022 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6023 "Find article ID and insert the summary line for that article.
6024 OLD-HEADER can either be a header or a line number to insert
6025 the subject line on."
6026 (let* ((line (and (numberp old-header) old-header))
6027 (old-header (and (vectorp old-header) old-header))
6028 (header (cond ((and old-header use-old-header)
6031 (gnus-number-to-header id))
6032 (gnus-number-to-header id))
6034 (gnus-read-header id))))
6035 (number (and (numberp id) id))
6038 ;; Rebuild the thread that this article is part of and go to the
6039 ;; article we have fetched.
6040 (when (and (not gnus-show-threads)
6043 (setq d (gnus-data-find (mail-header-number old-header))))
6044 (goto-char (gnus-data-pos d))
6050 (gnus-delete-line))))))
6052 (mail-header-set-number header (mail-header-number old-header)))
6053 (setq gnus-newsgroup-sparse
6054 (delq (setq number (mail-header-number header))
6055 gnus-newsgroup-sparse))
6056 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6057 (push number gnus-newsgroup-limit)
6058 (gnus-rebuild-thread (mail-header-id header) line)
6059 (gnus-summary-goto-subject number nil t))
6060 (when (and (numberp number)
6062 ;; We have to update the boundaries even if we can't fetch the
6063 ;; article if ID is a number -- so that the next `P' or `N'
6064 ;; command will fetch the previous (or next) article even
6065 ;; if the one we tried to fetch this time has been canceled.
6066 (when (> number gnus-newsgroup-end)
6067 (setq gnus-newsgroup-end number))
6068 (when (< number gnus-newsgroup-begin)
6069 (setq gnus-newsgroup-begin number))
6070 (setq gnus-newsgroup-unselected
6071 (delq number gnus-newsgroup-unselected)))
6072 ;; Report back a success?
6073 (and header (mail-header-number header))))
6075 ;;; Process/prefix in the summary buffer
6077 (defun gnus-summary-work-articles (n)
6078 "Return a list of articles to be worked upon.
6079 The prefix argument, the list of process marked articles, and the
6080 current article will be taken into consideration."
6082 (set-buffer gnus-summary-buffer)
6085 ;; A numerical prefix has been given.
6086 (setq n (prefix-numeric-value n))
6087 (let ((backward (< n 0))
6088 (n (abs (prefix-numeric-value n)))
6093 (push (setq article (gnus-summary-article-number))
6096 (gnus-summary-find-prev nil article)
6097 (gnus-summary-find-next nil article)))
6099 (nreverse articles)))
6100 ((and (gnus-region-active-p) (mark))
6101 (message "region active")
6102 ;; Work on the region between point and mark.
6103 (let ((max (max (point) (mark)))
6106 (goto-char (min (point) (mark)))
6109 (push (setq article (gnus-summary-article-number)) articles)
6110 (gnus-summary-find-next nil article)
6112 (nreverse articles))))
6113 (gnus-newsgroup-processable
6114 ;; There are process-marked articles present.
6115 ;; Save current state.
6116 (gnus-summary-save-process-mark)
6118 (reverse gnus-newsgroup-processable))
6120 ;; Just return the current article.
6121 (list (gnus-summary-article-number))))))
6123 (defmacro gnus-summary-iterate (arg &rest forms)
6124 "Iterate over the process/prefixed articles and do FORMS.
6125 ARG is the interactive prefix given to the command. FORMS will be
6126 executed with point over the summary line of the articles."
6127 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6128 `(let ((,articles (gnus-summary-work-articles ,arg)))
6130 (gnus-summary-goto-subject (car ,articles))
6134 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6135 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6137 (defun gnus-summary-save-process-mark ()
6138 "Push the current set of process marked articles on the stack."
6140 (push (copy-sequence gnus-newsgroup-processable)
6141 gnus-newsgroup-process-stack))
6143 (defun gnus-summary-kill-process-mark ()
6144 "Push the current set of process marked articles on the stack and unmark."
6146 (gnus-summary-save-process-mark)
6147 (gnus-summary-unmark-all-processable))
6149 (defun gnus-summary-yank-process-mark ()
6150 "Pop the last process mark state off the stack and restore it."
6152 (unless gnus-newsgroup-process-stack
6153 (error "Empty mark stack"))
6154 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6156 (defun gnus-summary-process-mark-set (set)
6157 "Make SET into the current process marked articles."
6158 (gnus-summary-unmark-all-processable)
6160 (gnus-summary-set-process-mark (pop set))))
6162 ;;; Searching and stuff
6164 (defun gnus-summary-search-group (&optional backward use-level)
6165 "Search for next unread newsgroup.
6166 If optional argument BACKWARD is non-nil, search backward instead."
6168 (set-buffer gnus-group-buffer)
6169 (when (gnus-group-search-forward
6170 backward nil (if use-level (gnus-group-group-level) nil))
6171 (gnus-group-group-name))))
6173 (defun gnus-summary-best-group (&optional exclude-group)
6174 "Find the name of the best unread group.
6175 If EXCLUDE-GROUP, do not go to this group."
6176 (with-current-buffer gnus-group-buffer
6178 (gnus-group-best-unread-group exclude-group))))
6180 (defun gnus-summary-find-next (&optional unread article backward)
6182 (gnus-summary-find-prev unread article)
6183 (let* ((dummy (gnus-summary-article-intangible-p))
6184 (article (or article (gnus-summary-article-number)))
6185 (data (gnus-data-find-list article))
6187 (when (and (not dummy)
6188 (or (not gnus-summary-check-current)
6190 (not (gnus-data-unread-p (car data)))))
6191 (setq data (cdr data)))
6196 (unless (memq (gnus-data-number (car data))
6198 ((eq gnus-auto-goto-ignores
6199 'always-undownloaded)
6200 gnus-newsgroup-undownloaded)
6203 ((eq gnus-auto-goto-ignores
6205 gnus-newsgroup-unfetched)
6206 ((eq gnus-auto-goto-ignores
6208 gnus-newsgroup-undownloaded)))
6209 (when (gnus-data-unread-p (car data))
6210 (setq result (car data)
6212 (setq data (cdr data)))
6215 (goto-char (gnus-data-pos result))
6216 (gnus-data-number result)))))
6218 (defun gnus-summary-find-prev (&optional unread article)
6219 (let* ((eobp (eobp))
6220 (article (or article (gnus-summary-article-number)))
6221 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6223 (when (and (not eobp)
6224 (or (not gnus-summary-check-current)
6226 (not (gnus-data-unread-p (car data)))))
6227 (setq data (cdr data)))
6232 (unless (memq (gnus-data-number (car data))
6234 ((eq gnus-auto-goto-ignores
6235 'always-undownloaded)
6236 gnus-newsgroup-undownloaded)
6239 ((eq gnus-auto-goto-ignores
6241 gnus-newsgroup-unfetched)
6242 ((eq gnus-auto-goto-ignores
6244 gnus-newsgroup-undownloaded)))
6245 (when (gnus-data-unread-p (car data))
6246 (setq result (car data)
6248 (setq data (cdr data)))
6251 (goto-char (gnus-data-pos result))
6252 (gnus-data-number result))))
6254 (defun gnus-summary-find-subject (subject &optional unread backward article)
6255 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6256 (article (or article (gnus-summary-article-number)))
6257 (articles (gnus-data-list backward))
6258 (arts (gnus-data-find-list article articles))
6260 (when (or (not gnus-summary-check-current)
6262 (not (gnus-data-unread-p (car arts))))
6263 (setq arts (cdr arts)))
6265 (and (or (not unread)
6266 (gnus-data-unread-p (car arts)))
6267 (vectorp (gnus-data-header (car arts)))
6269 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6270 (setq result (car arts)
6272 (setq arts (cdr arts)))
6274 (goto-char (gnus-data-pos result))
6275 (gnus-data-number result))))
6277 (defun gnus-summary-search-forward (&optional unread subject backward)
6278 "Search forward for an article.
6279 If UNREAD, look for unread articles. If SUBJECT, look for
6280 articles with that subject. If BACKWARD, search backward instead."
6281 (cond (subject (gnus-summary-find-subject subject unread backward))
6282 (backward (gnus-summary-find-prev unread))
6283 (t (gnus-summary-find-next unread))))
6285 (defun gnus-recenter (&optional n)
6286 "Center point in window and redisplay frame.
6287 Also do horizontal recentering."
6289 (when (and gnus-auto-center-summary
6290 (not (eq gnus-auto-center-summary 'vertical)))
6291 (gnus-horizontal-recenter))
6294 (defun gnus-summary-recenter ()
6295 "Center point in the summary window.
6296 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6297 displayed, no centering will be performed."
6298 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6299 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6301 ;; The user has to want it.
6302 (when gnus-auto-center-summary
6303 (let* ((top (cond ((< (window-height) 4) 0)
6304 ((< (window-height) 7) 1)
6305 (t (if (numberp gnus-auto-center-summary)
6306 gnus-auto-center-summary
6308 (height (1- (window-height)))
6309 (bottom (save-excursion (goto-char (point-max))
6310 (forward-line (- height))
6312 (window (get-buffer-window (current-buffer))))
6313 (when (get-buffer-window gnus-article-buffer)
6314 ;; Only do recentering when the article buffer is displayed,
6315 ;; Set the window start to either `bottom', which is the biggest
6316 ;; possible valid number, or the second line from the top,
6317 ;; whichever is the least.
6318 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6319 (if (> bottom top-pos)
6320 ;; Keep the second line from the top visible
6321 (set-window-start window top-pos t)
6322 ;; Try to keep the bottom line visible; if it's partially
6323 ;; obscured, either scroll one more line to make it fully
6324 ;; visible, or revert to using TOP-POS.
6326 (goto-char (point-max))
6328 (let ((last-line-start (point)))
6330 (set-window-start window (point) t)
6331 (when (not (pos-visible-in-window-p last-line-start window))
6333 (set-window-start window (min (point) top-pos) t)))))))
6334 ;; Do horizontal recentering while we're at it.
6335 (when (and (get-buffer-window (current-buffer) t)
6336 (not (eq gnus-auto-center-summary 'vertical)))
6337 (let ((selected (selected-window)))
6338 (select-window (get-buffer-window (current-buffer) t))
6339 (gnus-summary-position-point)
6340 (gnus-horizontal-recenter)
6341 (select-window selected))))))
6343 (defun gnus-summary-jump-to-group (newsgroup)
6344 "Move point to NEWSGROUP in group mode buffer."
6345 ;; Keep update point of group mode buffer if visible.
6346 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6347 (save-window-excursion
6348 ;; Take care of tree window mode.
6349 (when (get-buffer-window gnus-group-buffer)
6350 (pop-to-buffer gnus-group-buffer))
6351 (gnus-group-jump-to-group newsgroup))
6353 ;; Take care of tree window mode.
6354 (if (get-buffer-window gnus-group-buffer)
6355 (pop-to-buffer gnus-group-buffer)
6356 (set-buffer gnus-group-buffer))
6357 (gnus-group-jump-to-group newsgroup))))
6359 ;; This function returns a list of article numbers based on the
6360 ;; difference between the ranges of read articles in this group and
6361 ;; the range of active articles.
6362 (defun gnus-list-of-unread-articles (group)
6363 (let* ((read (gnus-info-read (gnus-get-info group)))
6364 (active (or (gnus-active group) (gnus-activate-group group)))
6367 ;; If none are read, then all are unread.
6369 (setq first (car active))
6370 ;; If the range of read articles is a single range, then the
6371 ;; first unread article is the article after the last read
6372 ;; article. Sounds logical, doesn't it?
6373 (if (and (not (listp (cdr read)))
6374 (or (< (car read) (car active))
6375 (progn (setq read (list read))
6377 (setq first (max (car active) (1+ (cdr read))))
6378 ;; `read' is a list of ranges.
6379 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6382 (setq first (car active)))
6385 (while (< first nlast)
6386 (setq unread (cons first unread)
6388 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6389 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6390 (setq read (cdr read)))))
6391 ;; And add the last unread articles.
6392 (while (<= first last)
6393 (setq unread (cons first unread)
6395 ;; Return the list of unread articles.
6396 (delq 0 (nreverse unread))))
6398 (defun gnus-list-of-read-articles (group)
6399 "Return a list of unread, unticked and non-dormant articles."
6400 (let* ((info (gnus-get-info group))
6401 (marked (gnus-info-marks info))
6402 (active (gnus-active group)))
6404 (gnus-list-range-difference
6405 (gnus-list-range-difference
6406 (gnus-sorted-complement
6407 (gnus-uncompress-range active)
6408 (gnus-list-of-unread-articles group))
6409 (cdr (assq 'dormant marked)))
6410 (cdr (assq 'tick marked))))))
6412 ;; This function returns a sequence of article numbers based on the
6413 ;; difference between the ranges of read articles in this group and
6414 ;; the range of active articles.
6415 (defun gnus-sequence-of-unread-articles (group)
6416 (let* ((read (gnus-info-read (gnus-get-info group)))
6417 (active (or (gnus-active group) (gnus-activate-group group)))
6420 ;; If none are read, then all are unread.
6422 (setq first (car active))
6423 ;; If the range of read articles is a single range, then the
6424 ;; first unread article is the article after the last read
6425 ;; article. Sounds logical, doesn't it?
6426 (if (and (not (listp (cdr read)))
6427 (or (< (car read) (car active))
6428 (progn (setq read (list read))
6430 (setq first (max (car active) (1+ (cdr read))))
6431 ;; `read' is a list of ranges.
6432 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6435 (setq first (car active)))
6438 (push (cons first nlast) unread))
6439 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6440 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6441 (setq read (cdr read)))))
6442 ;; And add the last unread articles.
6443 (cond ((< first last)
6444 (push (cons first last) unread))
6446 (push first unread)))
6447 ;; Return the sequence of unread articles.
6448 (delq 0 (nreverse unread))))
6450 ;; Various summary commands
6452 (defun gnus-summary-select-article-buffer ()
6453 "Reconfigure windows to show article buffer."
6455 (if (not (gnus-buffer-live-p gnus-article-buffer))
6456 (error "There is no article buffer for this summary buffer")
6457 (gnus-configure-windows 'article)
6458 (select-window (get-buffer-window gnus-article-buffer))))
6460 (defun gnus-summary-universal-argument (arg)
6461 "Perform any operation on all articles that are process/prefixed."
6463 (let ((articles (gnus-summary-work-articles arg))
6470 (substitute-command-keys
6471 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6473 (gnus-error 1 "Undefined key")
6476 (gnus-summary-goto-subject (setq article (pop articles)))
6477 (let (gnus-newsgroup-processable)
6478 (command-execute func))
6479 (gnus-summary-remove-process-mark article)))))
6480 (gnus-summary-position-point))
6482 (defun gnus-summary-toggle-truncation (&optional arg)
6483 "Toggle truncation of summary lines.
6484 With ARG, turn line truncation on if ARG is positive."
6486 (setq truncate-lines
6487 (if (null arg) (not truncate-lines)
6488 (> (prefix-numeric-value arg) 0)))
6491 (defun gnus-summary-find-for-reselect ()
6492 "Return the number of an article to stay on across a reselect.
6493 The current article is considered, then following articles, then previous
6494 articles. An article is sought which is not cancelled and isn't a temporary
6495 insertion from another group. If there's no such then return a dummy 0."
6497 (dolist (rev '(nil t))
6498 (unless found ; don't demand the reverse list if we don't need it
6499 (let ((data (gnus-data-find-list
6500 (gnus-summary-article-number) (gnus-data-list rev))))
6501 (while (and data (not found))
6502 (if (and (< 0 (gnus-data-number (car data)))
6503 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6504 (setq found (gnus-data-number (car data))))
6505 (setq data (cdr data))))))
6508 (defun gnus-summary-reselect-current-group (&optional all rescan)
6509 "Exit and then reselect the current newsgroup.
6510 The prefix argument ALL means to select all articles."
6512 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6513 (error "Ephemeral groups can't be reselected"))
6514 (let ((current-subject (gnus-summary-find-for-reselect))
6515 (group gnus-newsgroup-name))
6516 (setq gnus-newsgroup-begin nil)
6517 (gnus-summary-exit nil 'leave-hidden)
6518 ;; We have to adjust the point of group mode buffer because
6519 ;; point was moved to the next unread newsgroup by exiting.
6520 (gnus-summary-jump-to-group group)
6523 (save-window-excursion
6524 ;; Don't show group contents.
6525 (set-window-start (selected-window) (point-max))
6526 (gnus-group-get-new-news-this-group 1))))
6527 (gnus-group-read-group all t)
6528 (gnus-summary-goto-subject current-subject nil t)))
6530 (defun gnus-summary-rescan-group (&optional all)
6531 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6533 (gnus-summary-reselect-current-group all t))
6535 (defun gnus-summary-update-info (&optional non-destructive)
6537 (let ((group gnus-newsgroup-name))
6539 (when gnus-newsgroup-kill-headers
6540 (setq gnus-newsgroup-killed
6541 (gnus-compress-sequence
6543 (gnus-list-range-intersection
6544 gnus-newsgroup-unselected gnus-newsgroup-killed)
6545 gnus-newsgroup-unreads)
6547 (unless (listp (cdr gnus-newsgroup-killed))
6548 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6549 (let ((headers gnus-newsgroup-headers))
6550 ;; Set the new ranges of read articles.
6551 (with-current-buffer gnus-group-buffer
6552 (gnus-undo-force-boundary))
6553 (gnus-update-read-articles
6554 group (gnus-sorted-union
6555 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6556 ;; Set the current article marks.
6557 (let ((gnus-newsgroup-scored
6558 (if (and (not gnus-save-score)
6559 (not non-destructive))
6561 gnus-newsgroup-scored)))
6563 (gnus-update-marks)))
6564 ;; Do the cross-ref thing.
6565 (when gnus-use-cross-reference
6566 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6567 ;; Do not switch windows but change the buffer to work.
6568 (set-buffer gnus-group-buffer)
6569 (unless (gnus-ephemeral-group-p group)
6570 (gnus-group-update-group group)))))))
6572 (defun gnus-summary-save-newsrc (&optional force)
6573 "Save the current number of read/marked articles in the dribble buffer.
6574 The dribble buffer will then be saved.
6575 If FORCE (the prefix), also save the .newsrc file(s)."
6577 (gnus-summary-update-info t)
6579 (gnus-save-newsrc-file)
6580 (gnus-dribble-save)))
6582 (defun gnus-summary-exit (&optional temporary leave-hidden)
6583 "Exit reading current newsgroup, and then return to group selection mode.
6584 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6586 (gnus-set-global-variables)
6587 (gnus-kill-save-kill-buffer)
6588 (gnus-async-halt-prefetch)
6589 (let* ((group gnus-newsgroup-name)
6590 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6591 (gnus-group-is-exiting-p t)
6594 (buf (current-buffer)))
6596 ;; Do adaptive scoring, and possibly save score files.
6597 (when gnus-newsgroup-adaptive
6598 (gnus-score-adaptive))
6599 (when gnus-use-scoring
6601 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6602 ;; If we have several article buffers, we kill them at exit.
6603 (unless gnus-single-article-buffer
6604 (gnus-kill-buffer gnus-original-article-buffer)
6605 (setq gnus-article-current nil))
6606 (when gnus-use-cache
6607 (gnus-cache-possibly-remove-articles)
6608 (gnus-cache-save-buffers))
6609 (gnus-async-prefetch-remove-group group)
6610 (when gnus-suppress-duplicates
6611 (gnus-dup-enter-articles))
6612 (when gnus-use-trees
6613 (gnus-tree-close group))
6614 (when gnus-use-cache
6615 (gnus-cache-write-active))
6616 ;; Remove entries for this group.
6617 (nnmail-purge-split-history (gnus-group-real-name group))
6618 ;; Make all changes in this group permanent.
6620 (gnus-run-hooks 'gnus-exit-group-hook)
6621 (gnus-summary-update-info))
6622 (gnus-close-group group)
6623 ;; Make sure where we were, and go to next newsgroup.
6624 (set-buffer gnus-group-buffer)
6626 (gnus-group-jump-to-group group))
6627 (gnus-run-hooks 'gnus-summary-exit-hook)
6628 (unless (or quit-config
6629 ;; If this group has disappeared from the summary
6630 ;; buffer, don't skip forwards.
6631 (not (string= group (gnus-group-group-name))))
6632 (gnus-group-next-unread-group 1))
6633 (setq group-point (point))
6636 ;; If we have several article buffers, we kill them at exit.
6637 (unless gnus-single-article-buffer
6638 (gnus-kill-buffer gnus-article-buffer)
6639 (gnus-kill-buffer gnus-original-article-buffer)
6640 (setq gnus-article-current nil))
6642 (if (not gnus-kill-summary-on-exit)
6644 (gnus-deaden-summary)
6646 ;; We set all buffer-local variables to nil. It is unclear why
6647 ;; this is needed, but if we don't, buffer-local variables are
6648 ;; not garbage-collected, it seems. This would the lead to en
6649 ;; ever-growing Emacs.
6650 (gnus-summary-clear-local-variables)
6651 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6652 (gnus-summary-clear-local-variables))
6653 (when (get-buffer gnus-article-buffer)
6654 (bury-buffer gnus-article-buffer))
6655 ;; We clear the global counterparts of the buffer-local
6656 ;; variables as well, just to be on the safe side.
6657 (set-buffer gnus-group-buffer)
6658 (gnus-summary-clear-local-variables)
6659 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6660 (gnus-summary-clear-local-variables))
6661 ;; Return to group mode buffer.
6662 (when (eq mode 'gnus-summary-mode)
6663 (gnus-kill-buffer buf)))
6664 (setq gnus-current-select-method gnus-select-method)
6666 (set-buffer gnus-group-buffer)
6667 (pop-to-buffer gnus-group-buffer))
6668 (if (not quit-config)
6670 (goto-char group-point)
6671 (unless leave-hidden
6672 (gnus-configure-windows 'group 'force))
6673 (unless (pos-visible-in-window-p)
6674 (forward-line (/ (static-if (featurep 'xemacs)
6675 (window-displayed-height)
6676 (1- (window-height)))
6678 (set-window-start (selected-window) (point))
6679 (goto-char group-point)))
6680 (gnus-handle-ephemeral-exit quit-config))
6681 ;; Clear the current group name.
6683 (setq gnus-newsgroup-name nil)))))
6685 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6686 (defun gnus-summary-exit-no-update (&optional no-questions)
6687 "Quit reading current newsgroup without updating read article info."
6689 (let* ((group gnus-newsgroup-name)
6690 (gnus-group-is-exiting-p t)
6691 (gnus-group-is-exiting-without-update-p t)
6692 (quit-config (gnus-group-quit-config group)))
6693 (when (or no-questions
6695 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6696 (gnus-async-halt-prefetch)
6697 (run-hooks 'gnus-summary-prepare-exit-hook)
6698 ;; If we have several article buffers, we kill them at exit.
6699 (unless gnus-single-article-buffer
6700 (gnus-kill-buffer gnus-article-buffer)
6701 (gnus-kill-buffer gnus-original-article-buffer)
6702 (setq gnus-article-current nil))
6703 (if (not gnus-kill-summary-on-exit)
6704 (gnus-deaden-summary)
6705 (gnus-close-group group)
6706 (gnus-summary-clear-local-variables)
6707 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6708 (gnus-summary-clear-local-variables))
6709 (set-buffer gnus-group-buffer)
6710 (gnus-summary-clear-local-variables)
6711 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6712 (gnus-summary-clear-local-variables))
6713 (gnus-kill-buffer gnus-summary-buffer))
6714 (unless gnus-single-article-buffer
6715 (setq gnus-article-current nil))
6716 (when gnus-use-trees
6717 (gnus-tree-close group))
6718 (gnus-async-prefetch-remove-group group)
6719 (when (get-buffer gnus-article-buffer)
6720 (bury-buffer gnus-article-buffer))
6721 ;; Return to the group buffer.
6722 (gnus-configure-windows 'group 'force)
6723 ;; Clear the current group name.
6724 (setq gnus-newsgroup-name nil)
6725 (unless (gnus-ephemeral-group-p group)
6726 (gnus-group-update-group group))
6727 (when (equal (gnus-group-group-name) group)
6728 (gnus-group-next-unread-group 1))
6730 (gnus-handle-ephemeral-exit quit-config)))))
6732 (defun gnus-handle-ephemeral-exit (quit-config)
6733 "Handle movement when leaving an ephemeral group.
6734 The state which existed when entering the ephemeral is reset."
6735 (if (not (buffer-name (car quit-config)))
6736 (gnus-configure-windows 'group 'force)
6737 (set-buffer (car quit-config))
6738 (cond ((eq major-mode 'gnus-summary-mode)
6739 (gnus-set-global-variables))
6740 ((eq major-mode 'gnus-article-mode)
6742 ;; The `gnus-summary-buffer' variable may point
6743 ;; to the old summary buffer when using a single
6745 (unless (gnus-buffer-live-p gnus-summary-buffer)
6746 (set-buffer gnus-group-buffer))
6747 (set-buffer gnus-summary-buffer)
6748 (gnus-set-global-variables))))
6749 (if (or (eq (cdr quit-config) 'article)
6750 (eq (cdr quit-config) 'pick))
6752 ;; The current article may be from the ephemeral group
6753 ;; thus it is best that we reload this article
6755 ;; If we're exiting from a large digest, this can be
6756 ;; extremely slow. So, it's better not to reload it. -- jh.
6757 ;;(gnus-summary-show-article)
6758 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6759 (gnus-configure-windows 'pick 'force)
6760 (gnus-configure-windows (cdr quit-config) 'force)))
6761 (gnus-configure-windows (cdr quit-config) 'force))
6762 (when (eq major-mode 'gnus-summary-mode)
6763 (gnus-summary-next-subject 1 nil t)
6764 (gnus-summary-recenter)
6765 (gnus-summary-position-point))))
6767 (defun gnus-summary-preview-mime-message ()
6768 "MIME decode and play this message."
6770 (let ((gnus-break-pages nil)
6772 (gnus-summary-select-article gnus-show-all-headers t))
6773 (let ((w (get-buffer-window gnus-article-buffer)))
6775 (select-window (get-buffer-window gnus-article-buffer)))))
6779 (defvar gnus-dead-summary-mode-map nil)
6781 (unless gnus-dead-summary-mode-map
6782 (setq gnus-dead-summary-mode-map (make-keymap))
6783 (suppress-keymap gnus-dead-summary-mode-map)
6784 (substitute-key-definition
6785 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6786 (dolist (key '("\C-d" "\r" "\177" [delete]))
6787 (define-key gnus-dead-summary-mode-map
6788 key 'gnus-summary-wake-up-the-dead))
6789 (dolist (key '("q" "Q"))
6790 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6792 (defvar gnus-dead-summary-mode nil
6793 "Minor mode for Gnus summary buffers.")
6795 (defun gnus-dead-summary-mode (&optional arg)
6796 "Minor mode for Gnus summary buffers."
6798 (when (eq major-mode 'gnus-summary-mode)
6799 (make-local-variable 'gnus-dead-summary-mode)
6800 (setq gnus-dead-summary-mode
6801 (if (null arg) (not gnus-dead-summary-mode)
6802 (> (prefix-numeric-value arg) 0)))
6803 (when gnus-dead-summary-mode
6805 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6807 (defun gnus-deaden-summary ()
6808 "Make the current summary buffer into a dead summary buffer."
6809 ;; Kill any previous dead summary buffer.
6810 (when (and gnus-dead-summary
6811 (buffer-name gnus-dead-summary))
6812 (with-current-buffer gnus-dead-summary
6813 (when gnus-dead-summary-mode
6814 (kill-buffer (current-buffer)))))
6815 ;; Make this the current dead summary.
6816 (setq gnus-dead-summary (current-buffer))
6817 (gnus-dead-summary-mode 1)
6818 (let ((name (buffer-name)))
6819 (when (string-match "Summary" name)
6821 (concat (substring name 0 (match-beginning 0)) "Dead "
6822 (substring name (match-beginning 0)))
6826 (defun gnus-kill-or-deaden-summary (buffer)
6827 "Kill or deaden the summary BUFFER."
6829 (when (and (buffer-name buffer)
6830 (not gnus-single-article-buffer))
6831 (with-current-buffer buffer
6832 (gnus-kill-buffer gnus-article-buffer)
6833 (gnus-kill-buffer gnus-original-article-buffer)))
6836 (gnus-kill-summary-on-exit
6837 (when (and gnus-use-trees
6838 (gnus-buffer-exists-p buffer))
6841 (gnus-tree-close gnus-newsgroup-name)))
6842 (gnus-kill-buffer buffer))
6843 ;; Deaden the buffer.
6844 ((gnus-buffer-exists-p buffer)
6847 (gnus-deaden-summary))))))
6849 (defun gnus-summary-wake-up-the-dead (&rest args)
6850 "Wake up the dead summary buffer."
6852 (gnus-dead-summary-mode -1)
6853 (let ((name (buffer-name)))
6854 (when (string-match "Dead " name)
6856 (concat (substring name 0 (match-beginning 0))
6857 (substring name (match-end 0)))
6859 (gnus-message 3 "This dead summary is now alive again"))
6861 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6862 (defun gnus-summary-fetch-faq (&optional faq-dir)
6863 "Fetch the FAQ for the current group.
6864 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6868 (when current-prefix-arg
6870 "FAQ dir: " (and (listp gnus-group-faq-directory)
6871 (mapcar (lambda (file) (list file))
6872 gnus-group-faq-directory))))))
6873 (let (gnus-faq-buffer)
6874 (when (setq gnus-faq-buffer
6875 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6876 (gnus-configure-windows 'summary-faq))))
6878 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6879 (defun gnus-summary-describe-group (&optional force)
6880 "Describe the current newsgroup."
6882 (gnus-group-describe-group force gnus-newsgroup-name))
6884 (defun gnus-summary-describe-briefly ()
6885 "Describe summary mode commands briefly."
6887 (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")))
6889 ;; Walking around group mode buffer from summary mode.
6891 (defun gnus-summary-next-group (&optional no-article target-group backward)
6892 "Exit current newsgroup and then select next unread newsgroup.
6893 If prefix argument NO-ARTICLE is non-nil, no article is selected
6894 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6895 previous group instead."
6897 ;; Stop pre-fetching.
6898 (gnus-async-halt-prefetch)
6899 (let ((current-group gnus-newsgroup-name)
6900 (current-buffer (current-buffer))
6902 ;; First we semi-exit this group to update Xrefs and all variables.
6903 ;; We can't do a real exit, because the window conf must remain
6904 ;; the same in case the user is prompted for info, and we don't
6905 ;; want the window conf to change before that...
6906 (gnus-summary-exit t)
6907 (while (not entered)
6908 ;; Then we find what group we are supposed to enter.
6909 (set-buffer gnus-group-buffer)
6910 (gnus-group-jump-to-group current-group)
6913 (if (eq gnus-keep-same-level 'best)
6914 (gnus-summary-best-group gnus-newsgroup-name)
6915 (gnus-summary-search-group backward gnus-keep-same-level))))
6916 (if (not target-group)
6917 ;; There are no further groups, so we return to the group
6920 (gnus-message 5 "Returning to the group buffer")
6922 (when (gnus-buffer-live-p current-buffer)
6923 (set-buffer current-buffer)
6924 (gnus-summary-exit))
6925 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6926 ;; We try to enter the target group.
6927 (gnus-group-jump-to-group target-group)
6928 (let ((unreads (gnus-group-group-unread)))
6929 (if (and (or (eq t unreads)
6930 (and unreads (not (zerop unreads))))
6931 (gnus-summary-read-group
6932 target-group nil no-article
6933 (and (buffer-name current-buffer) current-buffer)
6936 (setq current-group target-group
6937 target-group nil)))))))
6939 (defun gnus-summary-prev-group (&optional no-article)
6940 "Exit current newsgroup and then select previous unread newsgroup.
6941 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6943 (gnus-summary-next-group no-article nil t))
6945 ;; Walking around summary lines.
6947 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6948 "Go to the first subject satisfying any non-nil constraint.
6949 If UNREAD is non-nil, the article should be unread.
6950 If UNDOWNLOADED is non-nil, the article should be undownloaded.
6951 If UNSEEN is non-nil, the article should be unseen.
6952 Returns the article selected or nil if there are no matching articles."
6956 ((null gnus-newsgroup-data)
6957 (gnus-message 3 "No articles in the group")
6959 ;; Pick the first article.
6960 ((not (or unread undownloaded unseen))
6961 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6962 (gnus-data-number (car gnus-newsgroup-data)))
6963 ;; Find the first unread article.
6965 (let ((data gnus-newsgroup-data))
6967 (let ((num (gnus-data-number (car data))))
6968 (or (memq num gnus-newsgroup-unfetched)
6969 (not (or (and unread
6970 (memq num gnus-newsgroup-unreads))
6972 (memq num gnus-newsgroup-undownloaded))
6974 (memq num gnus-newsgroup-unseen)))))))
6975 (setq data (cdr data)))
6979 (goto-char (gnus-data-pos (car data)))
6980 (gnus-data-number (car data)))
6981 (gnus-message 3 "No more%s articles"
6982 (let* ((r (when unread " unread"))
6983 (d (when undownloaded " undownloaded"))
6984 (s (when unseen " unseen"))
6985 (l (delq nil (list r d s))))
6986 (cond ((= 3 (length l))
6987 (concat r "," d ", or" s))
6989 (concat (car l) ", or" (cadr l)))
6996 (gnus-summary-position-point))))))
6998 (defun gnus-summary-next-subject (n &optional unread dont-display)
6999 "Go to next N'th summary line.
7000 If N is negative, go to the previous N'th subject line.
7001 If UNREAD is non-nil, only unread articles are selected.
7002 The difference between N and the actual number of steps taken is
7005 (let ((backward (< n 0))
7009 (gnus-summary-find-prev unread)
7010 (gnus-summary-find-next unread)))
7011 (unless (zerop (setq n (1- n)))
7012 (gnus-summary-show-thread)))
7014 (gnus-message 7 "No more%s articles"
7015 (if unread " unread" "")))
7016 (unless dont-display
7017 (gnus-summary-recenter)
7018 (gnus-summary-position-point))
7021 (defun gnus-summary-next-unread-subject (n)
7022 "Go to next N'th unread summary line."
7024 (gnus-summary-next-subject n t))
7026 (defun gnus-summary-prev-subject (n &optional unread)
7027 "Go to previous N'th summary line.
7028 If optional argument UNREAD is non-nil, only unread article is selected."
7030 (gnus-summary-next-subject (- n) unread))
7032 (defun gnus-summary-prev-unread-subject (n)
7033 "Go to previous N'th unread summary line."
7035 (gnus-summary-next-subject (- n) t))
7037 (defun gnus-summary-goto-subjects (articles)
7038 "Insert the subject header for ARTICLES in the current buffer."
7040 (dolist (article articles)
7041 (gnus-summary-goto-subject article t)))
7042 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7043 (gnus-summary-position-point))
7045 (defun gnus-summary-goto-subject (article &optional force silent)
7046 "Go the subject line of ARTICLE.
7047 If FORCE, also allow jumping to articles not currently shown."
7048 (interactive "nArticle number: ")
7049 (unless (numberp article)
7050 (error "Article %s is not a number" article))
7052 (data (gnus-data-find article)))
7053 ;; We read in the article if we have to.
7056 (gnus-summary-insert-subject
7058 (if (or (numberp force) (vectorp force)) force)
7060 (setq data (gnus-data-find article)))
7065 (gnus-message 3 "Can't find article %d" article))
7067 (let ((pt (gnus-data-pos data)))
7069 (gnus-summary-set-article-display-arrow pt))
7070 (gnus-summary-position-point)
7073 ;; Walking around summary lines with displaying articles.
7075 (defun gnus-summary-expand-window (&optional arg)
7076 "Make the summary buffer take up the entire Emacs frame.
7077 Given a prefix, will force an `article' buffer configuration."
7080 (gnus-configure-windows 'article 'force)
7081 (gnus-configure-windows 'summary 'force)))
7083 (defun gnus-summary-display-article (article &optional all-header)
7084 "Display ARTICLE in article buffer."
7085 (when (gnus-buffer-live-p gnus-article-buffer)
7086 (with-current-buffer gnus-article-buffer
7087 (set-buffer-multibyte t)))
7088 (gnus-set-global-variables)
7089 (when (gnus-buffer-live-p gnus-article-buffer)
7090 (with-current-buffer gnus-article-buffer
7091 (setq gnus-article-charset gnus-newsgroup-charset)
7092 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7093 (set-buffer-multibyte t)))
7097 (if gnus-summary-display-article-function
7098 (funcall gnus-summary-display-article-function article all-header)
7099 (gnus-article-prepare article all-header))
7100 (with-current-buffer gnus-article-buffer
7101 (set (make-local-variable 'gnus-summary-search-article-matched-data)
7103 (gnus-run-hooks 'gnus-select-article-hook)
7104 (when (and gnus-current-article
7105 (not (zerop gnus-current-article)))
7106 (gnus-summary-goto-subject gnus-current-article))
7107 (gnus-summary-recenter)
7108 (when (and gnus-use-trees gnus-show-threads)
7109 (gnus-possibly-generate-tree article)
7110 (gnus-highlight-selected-tree article))
7111 ;; Successfully display article.
7112 (gnus-article-set-window-start
7113 (cdr (assq article gnus-newsgroup-bookmarks))))))
7115 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7116 "Select the current article.
7117 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7118 non-nil, the article will be re-fetched even if it already present in
7119 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7121 ;; Make sure we are in the summary buffer to work around bbdb bug.
7122 (unless (eq major-mode 'gnus-summary-mode)
7123 (set-buffer gnus-summary-buffer))
7124 (let ((article (or article (gnus-summary-article-number)))
7125 (all-headers (not (not all-headers))) ;Must be T or NIL.
7126 gnus-summary-display-article-function)
7128 (gnus-summary-article-pseudo-p article)
7129 (error "This is a pseudo-article"))
7131 (set-buffer gnus-summary-buffer)
7132 (if (or (and gnus-single-article-buffer
7133 (or (null gnus-current-article)
7134 (null gnus-article-current)
7135 (null (get-buffer gnus-article-buffer))
7136 (not (eq article (cdr gnus-article-current)))
7137 (not (equal (car gnus-article-current)
7138 gnus-newsgroup-name))))
7139 (and (not gnus-single-article-buffer)
7140 (or (null gnus-current-article)
7141 (not (eq gnus-current-article article))))
7143 ;; The requested article is different from the current article.
7145 (gnus-summary-display-article article all-headers)
7146 (gnus-article-set-window-start
7147 (cdr (assq article gnus-newsgroup-bookmarks)))
7151 (defun gnus-summary-force-verify-and-decrypt ()
7152 "Display buttons for signed/encrypted parts and verify/decrypt them."
7154 (let ((mm-verify-option 'known)
7155 (mm-decrypt-option 'known)
7156 (gnus-article-emulate-mime t)
7157 (gnus-buttonized-mime-types (append (list "multipart/signed"
7158 "multipart/encrypted")
7159 gnus-buttonized-mime-types)))
7160 (gnus-summary-select-article nil 'force)))
7162 (defun gnus-summary-set-current-mark (&optional current-mark)
7163 "Obsolete function."
7166 (defun gnus-summary-next-article (&optional unread subject backward push)
7167 "Select the next article.
7168 If UNREAD, only unread articles are selected.
7169 If SUBJECT, only articles with SUBJECT are selected.
7170 If BACKWARD, the previous article is selected instead of the next."
7173 ;; Is there such an article?
7174 ((and (gnus-summary-search-forward unread subject backward)
7175 (or (gnus-summary-display-article (gnus-summary-article-number))
7176 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7177 (gnus-summary-position-point))
7178 ;; If not, we try the first unread, if that is wanted.
7180 gnus-auto-select-same
7181 (gnus-summary-first-unread-article))
7182 (gnus-summary-position-point)
7183 (gnus-message 6 "Wrapped"))
7184 ;; Try to get next/previous article not displayed in this group.
7185 ((and gnus-auto-extend-newsgroup
7186 (not unread) (not subject))
7187 (gnus-summary-goto-article
7188 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7189 nil (count-lines (point-min) (point))))
7190 ;; Go to next/previous group.
7192 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7193 (gnus-summary-jump-to-group gnus-newsgroup-name))
7194 (let ((cmd last-command-char)
7196 (with-current-buffer gnus-group-buffer
7199 (if (eq gnus-keep-same-level 'best)
7200 (gnus-summary-best-group gnus-newsgroup-name)
7201 (gnus-summary-search-group backward gnus-keep-same-level))))
7202 ;; For some reason, the group window gets selected. We change
7204 (select-window (get-buffer-window (current-buffer)))
7205 ;; Select next unread newsgroup automagically.
7207 ((or (not gnus-auto-select-next)
7209 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7210 ((or (eq gnus-auto-select-next 'quietly)
7211 (and (eq gnus-auto-select-next 'slightly-quietly)
7213 (and (eq gnus-auto-select-next 'almost-quietly)
7214 (gnus-summary-last-article-p)))
7216 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7218 (gnus-message 7 "No more%s articles (%s)..."
7219 (if unread " unread" "")
7220 (if group (concat "selecting " group)
7222 (gnus-summary-next-group nil group backward)))
7224 (when (gnus-key-press-event-p last-input-event)
7225 (gnus-summary-walk-group-buffer
7226 gnus-newsgroup-name cmd unread backward point))))))))
7228 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7229 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7230 (?\C-p (gnus-group-prev-unread-group 1))))
7231 (cursor-in-echo-area t)
7232 keve key group ended prompt)
7234 (set-buffer gnus-group-buffer)
7237 (if (eq gnus-keep-same-level 'best)
7238 (gnus-summary-best-group gnus-newsgroup-name)
7239 (gnus-summary-search-group backward gnus-keep-same-level))))
7243 "No more%s articles%s " (if unread " unread" "")
7245 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7246 (format " (Type %s for %s [%s])"
7247 (single-key-description cmd) group
7248 (gnus-group-unread group))
7249 (format " (Type %s to exit %s)"
7250 (single-key-description cmd)
7251 gnus-newsgroup-name))))
7252 ;; Confirm auto selection.
7253 (setq key (car (setq keve (gnus-read-event-char prompt)))
7256 ((assq key keystrokes)
7257 (let ((obuf (current-buffer)))
7258 (switch-to-buffer gnus-group-buffer)
7260 (gnus-group-jump-to-group group))
7261 (eval (cadr (assq key keystrokes)))
7262 (setq group (gnus-group-group-name))
7263 (switch-to-buffer obuf))
7267 (gnus-ephemeral-group-p gnus-newsgroup-name))
7269 (gnus-summary-next-group nil group backward)))
7271 (push (cdr keve) unread-command-events))))))
7273 (defun gnus-summary-next-unread-article ()
7274 "Select unread article after current one."
7276 (gnus-summary-next-article
7277 (or (not (eq gnus-summary-goto-unread 'never))
7278 (gnus-summary-last-article-p (gnus-summary-article-number)))
7279 (and gnus-auto-select-same
7280 (gnus-summary-article-subject))))
7282 (defun gnus-summary-prev-article (&optional unread subject)
7283 "Select the article after the current one.
7284 If UNREAD is non-nil, only unread articles are selected."
7286 (gnus-summary-next-article unread subject t))
7288 (defun gnus-summary-prev-unread-article ()
7289 "Select unread article before current one."
7291 (gnus-summary-prev-article
7292 (or (not (eq gnus-summary-goto-unread 'never))
7293 (gnus-summary-first-article-p (gnus-summary-article-number)))
7294 (and gnus-auto-select-same
7295 (gnus-summary-article-subject))))
7297 (defun gnus-summary-next-page (&optional lines circular stop)
7298 "Show next page of the selected article.
7299 If at the end of the current article, select the next article.
7300 LINES says how many lines should be scrolled up.
7302 If CIRCULAR is non-nil, go to the start of the article instead of
7303 selecting the next article when reaching the end of the current
7306 If STOP is non-nil, just stop when reaching the end of the message.
7308 Also see the variable `gnus-article-skip-boring'."
7310 (setq gnus-summary-buffer (current-buffer))
7311 (gnus-set-global-variables)
7312 (let ((article (gnus-summary-article-number))
7313 (article-window (get-buffer-window gnus-article-buffer t))
7315 ;; If the buffer is empty, we have no article.
7317 (error "No article to select"))
7318 (gnus-configure-windows 'article)
7319 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7320 (if (and (eq gnus-summary-goto-unread 'never)
7321 (not (gnus-summary-last-article-p article)))
7322 (gnus-summary-next-article)
7323 (gnus-summary-next-unread-article))
7324 (if (or (null gnus-current-article)
7325 (null gnus-article-current)
7326 (/= article (cdr gnus-article-current))
7327 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7328 ;; Selected subject is different from current article's.
7329 (gnus-summary-display-article article)
7330 (when article-window
7331 (gnus-eval-in-buffer-window gnus-article-buffer
7332 (setq endp (or (gnus-article-next-page lines)
7333 (gnus-article-only-boring-p))))
7336 (gnus-message 3 "End of message"))
7338 (gnus-summary-beginning-of-article))
7340 (gnus-message 3 "End of message"))
7342 (if (and (eq gnus-summary-goto-unread 'never)
7343 (not (gnus-summary-last-article-p article)))
7344 (gnus-summary-next-article)
7345 (gnus-summary-next-unread-article))))))))
7346 (gnus-summary-recenter)
7347 (gnus-summary-position-point)))
7349 (defun gnus-summary-prev-page (&optional lines move)
7350 "Show previous page of selected article.
7351 Argument LINES specifies lines to be scrolled down.
7352 If MOVE, move to the previous unread article if point is at
7353 the beginning of the buffer."
7355 (let ((article (gnus-summary-article-number))
7356 (article-window (get-buffer-window gnus-article-buffer t))
7358 (gnus-configure-windows 'article)
7359 (if (or (null gnus-current-article)
7360 (null gnus-article-current)
7361 (/= article (cdr gnus-article-current))
7362 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7363 ;; Selected subject is different from current article's.
7364 (gnus-summary-display-article article)
7365 (gnus-summary-recenter)
7366 (when article-window
7367 (gnus-eval-in-buffer-window gnus-article-buffer
7368 (setq endp (gnus-article-prev-page lines)))
7369 (when (and move endp)
7371 (gnus-message 3 "Beginning of message"))
7373 (if (and (eq gnus-summary-goto-unread 'never)
7374 (not (gnus-summary-first-article-p article)))
7375 (gnus-summary-prev-article)
7376 (gnus-summary-prev-unread-article))))))))
7377 (gnus-summary-position-point))
7379 (defun gnus-summary-prev-page-or-article (&optional lines)
7380 "Show previous page of selected article.
7381 Argument LINES specifies lines to be scrolled down.
7382 If at the beginning of the article, go to the next article."
7384 (gnus-summary-prev-page lines t))
7386 (defun gnus-summary-scroll-up (lines)
7387 "Scroll up (or down) one line current article.
7388 Argument LINES specifies lines to be scrolled up (or down if negative)."
7390 (gnus-configure-windows 'article)
7391 (gnus-summary-show-thread)
7392 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7393 (gnus-eval-in-buffer-window gnus-article-buffer
7395 (when (gnus-article-next-page lines)
7396 (gnus-message 3 "End of message")))
7398 (gnus-article-prev-page (- lines))))))
7399 (gnus-summary-recenter)
7400 (gnus-summary-position-point))
7402 (defun gnus-summary-scroll-down (lines)
7403 "Scroll down (or up) one line current article.
7404 Argument LINES specifies lines to be scrolled down (or up if negative)."
7406 (gnus-summary-scroll-up (- lines)))
7408 (defun gnus-summary-next-same-subject ()
7409 "Select next article which has the same subject as current one."
7411 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7413 (defun gnus-summary-prev-same-subject ()
7414 "Select previous article which has the same subject as current one."
7416 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7418 (defun gnus-summary-next-unread-same-subject ()
7419 "Select next unread article which has the same subject as current one."
7421 (gnus-summary-next-article t (gnus-summary-article-subject)))
7423 (defun gnus-summary-prev-unread-same-subject ()
7424 "Select previous unread article which has the same subject as current one."
7426 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7428 (defun gnus-summary-first-unread-article ()
7429 "Select the first unread article.
7430 Return nil if there are no unread articles."
7433 (when (gnus-summary-first-subject t)
7434 (gnus-summary-show-thread)
7435 (gnus-summary-first-subject t)
7436 (gnus-summary-display-article (gnus-summary-article-number)))
7437 (gnus-summary-position-point)))
7439 (defun gnus-summary-first-unread-subject ()
7440 "Place the point on the subject line of the first unread article.
7441 Return nil if there are no unread articles."
7444 (when (gnus-summary-first-subject t)
7445 (gnus-summary-show-thread)
7446 (gnus-summary-first-subject t))
7447 (gnus-summary-position-point)))
7449 (defun gnus-summary-first-unseen-subject ()
7450 "Place the point on the subject line of the first unseen article.
7451 Return nil if there are no unseen articles."
7454 (when (gnus-summary-first-subject nil nil t)
7455 (gnus-summary-show-thread)
7456 (gnus-summary-first-subject nil nil t))
7457 (gnus-summary-position-point)))
7459 (defun gnus-summary-first-unseen-or-unread-subject ()
7460 "Place the point on the subject line of the first unseen article or,
7461 if all article have been seen, on the subject line of the first unread
7465 (unless (when (gnus-summary-first-subject nil nil t)
7466 (gnus-summary-show-thread)
7467 (gnus-summary-first-subject nil nil t))
7468 (when (gnus-summary-first-subject t)
7469 (gnus-summary-show-thread)
7470 (gnus-summary-first-subject t)))
7471 (gnus-summary-position-point)))
7473 (defun gnus-summary-first-article ()
7474 "Select the first article.
7475 Return nil if there are no articles."
7478 (when (gnus-summary-first-subject)
7479 (gnus-summary-show-thread)
7480 (gnus-summary-first-subject)
7481 (gnus-summary-display-article (gnus-summary-article-number)))
7482 (gnus-summary-position-point)))
7484 (defun gnus-summary-best-unread-article (&optional arg)
7485 "Select the unread article with the highest score.
7486 If given a prefix argument, select the next unread article that has a
7487 score higher than the default score."
7489 (let ((article (if arg
7490 (gnus-summary-better-unread-subject)
7491 (gnus-summary-best-unread-subject))))
7493 (gnus-summary-goto-article article)
7494 (error "No unread articles"))))
7496 (defun gnus-summary-best-unread-subject ()
7497 "Select the unread subject with the highest score."
7499 (let ((best -1000000)
7500 (data gnus-newsgroup-data)
7503 (and (gnus-data-unread-p (car data))
7505 (gnus-summary-article-score (gnus-data-number (car data))))
7508 article (gnus-data-number (car data))))
7509 (setq data (cdr data)))
7511 (gnus-summary-goto-subject article))
7512 (gnus-summary-position-point)
7515 (defun gnus-summary-better-unread-subject ()
7516 "Select the first unread subject that has a score over the default score."
7518 (let ((data gnus-newsgroup-data)
7520 (while (and (setq article (gnus-data-number (car data)))
7521 (or (gnus-data-read-p (car data))
7522 (not (> (gnus-summary-article-score article)
7523 gnus-summary-default-score))))
7524 (setq data (cdr data)))
7526 (gnus-summary-goto-subject article))
7527 (gnus-summary-position-point)
7530 (defun gnus-summary-last-subject ()
7531 "Go to the last displayed subject line in the group."
7532 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7534 (gnus-summary-goto-subject article))))
7536 (defun gnus-summary-goto-article (article &optional all-headers force)
7537 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7538 If ALL-HEADERS is non-nil, no header lines are hidden.
7539 If FORCE, go to the article even if it isn't displayed. If FORCE
7540 is a number, it is the line the article is to be displayed on."
7544 "Article number or Message-ID: "
7545 (mapcar (lambda (number) (list (int-to-string number)))
7546 gnus-newsgroup-limit))
7550 (if (and (stringp article)
7551 (string-match "@\\|%40" article))
7552 (gnus-summary-refer-article article)
7553 (when (stringp article)
7554 (setq article (string-to-number article)))
7555 (if (gnus-summary-goto-subject article force)
7556 (gnus-summary-display-article article all-headers)
7557 (gnus-message 4 "Couldn't go to article %s" article) nil))
7558 (gnus-summary-position-point)))
7560 (defun gnus-summary-goto-last-article ()
7561 "Go to the previously read article."
7564 (when gnus-last-article
7565 (gnus-summary-goto-article gnus-last-article nil t))
7566 (gnus-summary-position-point)))
7568 (defun gnus-summary-pop-article (number)
7569 "Pop one article off the history and go to the previous.
7570 NUMBER articles will be popped off."
7573 (setq gnus-newsgroup-history
7574 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7576 (gnus-summary-goto-article (car to) nil t)
7577 (error "Article history empty")))
7578 (gnus-summary-position-point))
7580 ;; Summary commands and functions for limiting the summary buffer.
7582 (defun gnus-summary-limit-to-articles (n)
7583 "Limit the summary buffer to the next N articles.
7584 If not given a prefix, use the process marked articles instead."
7587 (let ((articles (gnus-summary-work-articles n)))
7588 (setq gnus-newsgroup-processable nil)
7589 (gnus-summary-limit articles))
7590 (gnus-summary-position-point)))
7592 (defun gnus-summary-pop-limit (&optional total)
7593 "Restore the previous limit.
7594 If given a prefix, remove all limits."
7597 (setq gnus-newsgroup-limits
7598 (list (mapcar (lambda (h) (mail-header-number h))
7599 gnus-newsgroup-headers))))
7600 (unless gnus-newsgroup-limits
7601 (error "No limit to pop"))
7603 (gnus-summary-limit nil 'pop)
7604 (gnus-summary-position-point)))
7606 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7607 "Limit the summary buffer to articles that have subjects that match a regexp.
7608 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7610 (list (read-string (if current-prefix-arg
7611 "Exclude subject (regexp): "
7612 "Limit to subject (regexp): "))
7613 nil current-prefix-arg))
7615 (setq header "subject"))
7616 (when (not (equal "" subject))
7618 (let ((articles (gnus-summary-find-matching
7619 (or header "subject") subject 'all nil nil
7622 (error "Found no matches for \"%s\"" subject))
7623 (gnus-summary-limit articles))
7624 (gnus-summary-position-point))))
7626 (defun gnus-summary-limit-to-author (from &optional not-matching)
7627 "Limit the summary buffer to articles that have authors that match a regexp.
7628 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7630 (list (read-string (if current-prefix-arg
7631 "Exclude author (regexp): "
7632 "Limit to author (regexp): "))
7633 current-prefix-arg))
7634 (gnus-summary-limit-to-subject from "from" not-matching))
7636 (defun gnus-summary-limit-to-age (age &optional younger-p)
7637 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7638 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7639 articles that are younger than AGE days."
7641 (let ((younger current-prefix-arg)
7644 (while (not days-got)
7645 (setq days (if younger
7646 (read-string "Limit to articles younger than (in days, older when negative): ")
7648 "Limit to articles older than (in days, younger when negative): ")))
7649 (when (> (length days) 0)
7650 (setq days (read days)))
7655 (setq younger (not younger))
7656 (setq days (* days -1))))
7657 (message "Please enter a number.")
7659 (list days younger)))
7661 (let ((data gnus-newsgroup-data)
7662 (cutoff (days-to-time age))
7663 articles d date is-younger)
7664 (while (setq d (pop data))
7665 (when (and (vectorp (gnus-data-header d))
7666 (setq date (mail-header-date (gnus-data-header d))))
7667 (setq is-younger (time-less-p
7668 (time-since (condition-case ()
7675 (push (gnus-data-number d) articles))))
7676 (gnus-summary-limit (nreverse articles)))
7677 (gnus-summary-position-point)))
7679 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7680 "Limit the summary buffer to articles that match an 'extra' header."
7684 (gnus-completing-read-with-default
7685 (symbol-name (car gnus-extra-headers))
7686 (if current-prefix-arg
7687 "Exclude extra header:"
7688 "Limit extra header:")
7690 (cons (symbol-name x) x))
7695 (read-string (format "%s header %s (regexp): "
7696 (if current-prefix-arg "Exclude" "Limit to")
7698 current-prefix-arg)))
7699 (when (not (equal "" regexp))
7701 (let ((articles (gnus-summary-find-matching
7702 (cons 'extra header) regexp 'all nil nil
7705 (error "Found no matches for \"%s\"" regexp))
7706 (gnus-summary-limit articles))
7707 (gnus-summary-position-point))))
7709 (defun gnus-summary-limit-to-display-predicate ()
7710 "Limit the summary buffer to the predicated in the `display' group parameter."
7712 (unless gnus-newsgroup-display
7713 (error "There is no `display' group parameter"))
7715 (dolist (number gnus-newsgroup-articles)
7716 (when (funcall gnus-newsgroup-display)
7717 (push number articles)))
7718 (gnus-summary-limit articles))
7719 (gnus-summary-position-point))
7721 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7723 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7725 (defun gnus-summary-limit-to-unread (&optional all)
7726 "Limit the summary buffer to articles that are not marked as read.
7727 If ALL is non-nil, limit strictly to unread articles."
7730 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7731 (gnus-summary-limit-to-marks
7732 ;; Concat all the marks that say that an article is read and have
7734 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7735 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7736 gnus-low-score-mark gnus-expirable-mark
7737 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7738 gnus-duplicate-mark gnus-souped-mark)
7741 (defun gnus-summary-limit-to-replied (&optional unreplied)
7742 "Limit the summary buffer to replied articles.
7743 If UNREPLIED (the prefix), limit to unreplied articles."
7747 (gnus-set-difference gnus-newsgroup-articles
7748 gnus-newsgroup-replied))
7749 (gnus-summary-limit gnus-newsgroup-replied))
7750 (gnus-summary-position-point))
7752 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7753 (make-obsolete 'gnus-summary-delete-marked-with
7754 'gnus-summary-limit-exclude-marks)
7756 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7757 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7758 If REVERSE, limit the summary buffer to articles that are marked
7759 with MARKS. MARKS can either be a string of marks or a list of marks.
7760 Returns how many articles were removed."
7761 (interactive "sMarks: ")
7762 (gnus-summary-limit-to-marks marks t))
7764 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7765 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7766 If REVERSE (the prefix), limit the summary buffer to articles that are
7767 not marked with MARKS. MARKS can either be a string of marks or a
7769 Returns how many articles were removed."
7770 (interactive "sMarks: \nP")
7772 (let ((data gnus-newsgroup-data)
7773 (marks (if (listp marks) marks
7774 (append marks nil))) ; Transform to list.
7777 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7778 (memq (gnus-data-mark (car data)) marks))
7779 (push (gnus-data-number (car data)) articles))
7780 (setq data (cdr data)))
7781 (gnus-summary-limit articles))
7782 (gnus-summary-position-point)))
7784 (defun gnus-summary-limit-to-score (score)
7785 "Limit to articles with score at or above SCORE."
7786 (interactive "NLimit to articles with score of at least: ")
7787 (let ((data gnus-newsgroup-data)
7790 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7792 (push (gnus-data-number (car data)) articles))
7793 (setq data (cdr data)))
7795 (gnus-summary-limit articles)
7796 (gnus-summary-position-point))))
7798 (defun gnus-summary-limit-to-unseen ()
7799 "Limit to unseen articles."
7802 (gnus-summary-limit gnus-newsgroup-unseen)
7803 (gnus-summary-position-point)))
7805 (defun gnus-summary-limit-include-thread (id)
7806 "Display all the hidden articles that is in the thread with ID in it.
7807 When called interactively, ID is the Message-ID of the current
7809 (interactive (list (mail-header-id (gnus-summary-article-header))))
7810 (let ((articles (gnus-articles-in-thread
7811 (gnus-id-to-thread (gnus-root-id id)))))
7813 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7814 (gnus-summary-limit-include-matching-articles
7816 (regexp-quote (gnus-simplify-subject-re
7817 (mail-header-subject (gnus-id-to-header id)))))
7818 (gnus-summary-position-point))))
7820 (defun gnus-summary-limit-include-matching-articles (header regexp)
7821 "Display all the hidden articles that have HEADERs that match REGEXP."
7822 (interactive (list (read-string "Match on header: ")
7823 (read-string "Regexp: ")))
7824 (let ((articles (gnus-find-matching-articles header regexp)))
7826 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7827 (gnus-summary-position-point))))
7829 (defun gnus-summary-insert-dormant-articles ()
7830 "Insert all the dormant articles for this group into the current buffer."
7832 (let ((gnus-verbose (max 6 gnus-verbose)))
7833 (if (not gnus-newsgroup-dormant)
7834 (gnus-message 3 "No cached articles for this group")
7835 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7837 (defun gnus-summary-limit-include-dormant ()
7838 "Display all the hidden articles that are marked as dormant.
7839 Note that this command only works on a subset of the articles currently
7840 fetched for this group."
7842 (unless gnus-newsgroup-dormant
7843 (error "There are no dormant articles in this group"))
7845 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7846 (gnus-summary-position-point)))
7848 (defun gnus-summary-limit-exclude-dormant ()
7849 "Hide all dormant articles."
7852 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7853 (gnus-summary-position-point)))
7855 (defun gnus-summary-limit-exclude-childless-dormant ()
7856 "Hide all dormant articles that have no children."
7858 (let ((data (gnus-data-list t))
7859 articles d children)
7860 ;; Find all articles that are either not dormant or have
7862 (while (setq d (pop data))
7863 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7865 (gnus-article-children (gnus-data-number d)))
7868 (when (memq (car children) articles)
7873 (push (gnus-data-number d) articles)))
7876 (gnus-summary-limit articles)
7877 (gnus-summary-position-point))))
7879 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7880 "Mark all unread excluded articles as read.
7881 If ALL, mark even excluded ticked and dormants as read."
7883 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7884 (let ((articles (gnus-sorted-ndifference
7886 (mapcar (lambda (h) (mail-header-number h))
7887 gnus-newsgroup-headers)
7889 gnus-newsgroup-limit))
7891 (setq gnus-newsgroup-unreads
7892 (gnus-sorted-intersection gnus-newsgroup-unreads
7893 gnus-newsgroup-limit))
7895 (setq gnus-newsgroup-dormant nil
7896 gnus-newsgroup-marked nil
7897 gnus-newsgroup-reads
7899 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7900 gnus-newsgroup-reads))
7901 (while (setq article (pop articles))
7902 (unless (or (memq article gnus-newsgroup-dormant)
7903 (memq article gnus-newsgroup-marked))
7904 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7906 (defun gnus-summary-limit (articles &optional pop)
7908 ;; We pop the previous limit off the stack and use that.
7909 (setq articles (car gnus-newsgroup-limits)
7910 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7911 ;; We use the new limit, so we push the old limit on the stack.
7912 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7914 (setq gnus-newsgroup-limit articles)
7915 (let ((total (length gnus-newsgroup-data))
7916 (data (gnus-data-find-list (gnus-summary-article-number)))
7917 (gnus-summary-mark-below nil) ; Inhibit this.
7919 ;; This will do all the work of generating the new summary buffer
7920 ;; according to the new limit.
7921 (gnus-summary-prepare)
7922 ;; Hide any threads, possibly.
7923 (gnus-summary-maybe-hide-threads)
7924 ;; Try to return to the article you were at, or one in the
7927 ;; We try to find some article after the current one.
7929 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7932 (setq data (cdr data))))
7934 ;; If there is no data, that means that we were after the last
7935 ;; article. The same goes when we can't find any articles
7936 ;; after the current one.
7937 (goto-char (point-max))
7938 (gnus-summary-find-prev))
7939 (gnus-set-mode-line 'summary)
7940 ;; We return how many articles were removed from the summary
7941 ;; buffer as a result of the new limit.
7942 (- total (length gnus-newsgroup-data))))
7944 (defsubst gnus-invisible-cut-children (threads)
7947 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7952 (defsubst gnus-cut-thread (thread)
7953 "Go forwards in the thread until we find an article that we want to display."
7954 (when (or (eq gnus-fetch-old-headers 'some)
7955 (eq gnus-fetch-old-headers 'invisible)
7956 (numberp gnus-fetch-old-headers)
7957 (eq gnus-build-sparse-threads 'some)
7958 (eq gnus-build-sparse-threads 'more))
7959 ;; Deal with old-fetched headers and sparse threads.
7963 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7964 (gnus-summary-article-ancient-p
7965 (mail-header-number (car thread))))
7966 (if (or (<= (length (cdr thread)) 1)
7967 (eq gnus-fetch-old-headers 'invisible))
7968 (setq gnus-newsgroup-limit
7969 (delq (mail-header-number (car thread))
7970 gnus-newsgroup-limit)
7971 thread (cadr thread))
7972 (when (gnus-invisible-cut-children (cdr thread))
7973 (let ((th (cdr thread)))
7975 (if (memq (mail-header-number (caar th))
7976 gnus-newsgroup-limit)
7977 (setq thread (car th)
7979 (setq th (cdr th))))))))))
7982 (defun gnus-cut-threads (threads)
7983 "Cut off all uninteresting articles from the beginning of THREADS."
7984 (when (or (eq gnus-fetch-old-headers 'some)
7985 (eq gnus-fetch-old-headers 'invisible)
7986 (numberp gnus-fetch-old-headers)
7987 (eq gnus-build-sparse-threads 'some)
7988 (eq gnus-build-sparse-threads 'more))
7991 (setcar th (gnus-cut-thread (car th)))
7992 (setq th (cdr th)))))
7993 ;; Remove nixed out threads.
7996 (defun gnus-summary-initial-limit (&optional show-if-empty)
7997 "Figure out what the initial limit is supposed to be on group entry.
7998 This entails weeding out unwanted dormants, low-scored articles,
7999 fetch-old-headers verbiage, and so on."
8000 ;; Most groups have nothing to remove.
8001 (if (or gnus-inhibit-limiting
8002 (and (null gnus-newsgroup-dormant)
8003 (eq gnus-newsgroup-display 'gnus-not-ignore)
8004 (not (eq gnus-fetch-old-headers 'some))
8005 (not (numberp gnus-fetch-old-headers))
8006 (not (eq gnus-fetch-old-headers 'invisible))
8007 (null gnus-summary-expunge-below)
8008 (not (eq gnus-build-sparse-threads 'some))
8009 (not (eq gnus-build-sparse-threads 'more))
8010 (null gnus-thread-expunge-below)
8011 (not gnus-use-nocem)))
8013 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8014 (setq gnus-newsgroup-limit nil)
8017 (unless (car (symbol-value node))
8018 ;; These threads have no parents -- they are roots.
8019 (let ((nodes (cdr (symbol-value node)))
8022 (if (and gnus-thread-expunge-below
8023 (< (gnus-thread-total-score (car nodes))
8024 gnus-thread-expunge-below))
8025 (gnus-expunge-thread (pop nodes))
8026 (setq thread (pop nodes))
8027 (gnus-summary-limit-children thread))))))
8028 gnus-newsgroup-dependencies)
8029 ;; If this limitation resulted in an empty group, we might
8030 ;; pop the previous limit and use it instead.
8031 (when (and (not gnus-newsgroup-limit)
8033 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8034 gnus-newsgroup-limit))
8036 (defun gnus-summary-limit-children (thread)
8037 "Return 1 if this subthread is visible and 0 if it is not."
8038 ;; First we get the number of visible children to this thread. This
8039 ;; is done by recursing down the thread using this function, so this
8040 ;; will really go down to a leaf article first, before slowly
8041 ;; working its way up towards the root.
8043 (let* ((max-lisp-eval-depth 5000)
8046 (apply '+ (mapcar 'gnus-summary-limit-children
8049 (number (mail-header-number (car thread)))
8052 (not (memq number gnus-newsgroup-marked))
8054 ;; If this article is dormant and has absolutely no visible
8055 ;; children, then this article isn't visible.
8056 (and (memq number gnus-newsgroup-dormant)
8058 ;; If this is "fetch-old-headered" and there is no
8059 ;; visible children, then we don't want this article.
8060 (and (or (eq gnus-fetch-old-headers 'some)
8061 (numberp gnus-fetch-old-headers))
8062 (gnus-summary-article-ancient-p number)
8064 ;; If this is "fetch-old-headered" and `invisible', then
8065 ;; we don't want this article.
8066 (and (eq gnus-fetch-old-headers 'invisible)
8067 (gnus-summary-article-ancient-p number))
8068 ;; If this is a sparsely inserted article with no children,
8069 ;; we don't want it.
8070 (and (eq gnus-build-sparse-threads 'some)
8071 (gnus-summary-article-sparse-p number)
8073 ;; If we use expunging, and this article is really
8074 ;; low-scored, then we don't want this article.
8075 (when (and gnus-summary-expunge-below
8077 (or (cdr (assq number gnus-newsgroup-scored))
8078 gnus-summary-default-score))
8079 gnus-summary-expunge-below))
8080 ;; We increase the expunge-tally here, but that has
8081 ;; nothing to do with the limits, really.
8082 (incf gnus-newsgroup-expunged-tally)
8083 ;; We also mark as read here, if that's wanted.
8084 (when (and gnus-summary-mark-below
8085 (< score gnus-summary-mark-below))
8086 (setq gnus-newsgroup-unreads
8087 (delq number gnus-newsgroup-unreads))
8088 (if gnus-newsgroup-auto-expire
8089 (push number gnus-newsgroup-expirable)
8090 (push (cons number gnus-low-score-mark)
8091 gnus-newsgroup-reads)))
8093 ;; Do the `display' group parameter.
8094 (and gnus-newsgroup-display
8095 (not (funcall gnus-newsgroup-display)))
8096 ;; Check NoCeM things.
8097 (when (and gnus-use-nocem
8098 (gnus-nocem-unwanted-article-p
8099 (mail-header-id (car thread))))
8100 (setq gnus-newsgroup-unreads
8101 (delq number gnus-newsgroup-unreads))
8103 ;; Nope, invisible article.
8105 ;; Ok, this article is to be visible, so we add it to the limit
8107 (push number gnus-newsgroup-limit)
8110 (defun gnus-expunge-thread (thread)
8111 "Mark all articles in THREAD as read."
8112 (let* ((number (mail-header-number (car thread))))
8113 (incf gnus-newsgroup-expunged-tally)
8114 ;; We also mark as read here, if that's wanted.
8115 (setq gnus-newsgroup-unreads
8116 (delq number gnus-newsgroup-unreads))
8117 (if gnus-newsgroup-auto-expire
8118 (push number gnus-newsgroup-expirable)
8119 (push (cons number gnus-low-score-mark)
8120 gnus-newsgroup-reads)))
8121 ;; Go recursively through all subthreads.
8122 (mapcar 'gnus-expunge-thread (cdr thread)))
8124 ;; Summary article oriented commands
8126 (defun gnus-summary-refer-parent-article (n)
8127 "Refer parent article N times.
8128 If N is negative, go to ancestor -N instead.
8129 The difference between N and the number of articles fetched is returned."
8133 (when (not (natnump n))
8138 (setq header (gnus-summary-article-header))
8139 (if (and (eq (mail-header-number header)
8140 (cdr gnus-article-current))
8141 (equal gnus-newsgroup-name
8142 (car gnus-article-current)))
8143 ;; If we try to find the parent of the currently
8144 ;; displayed article, then we take a look at the actual
8145 ;; References header, since this is slightly more
8146 ;; reliable than the References field we got from the
8149 (set-buffer gnus-original-article-buffer)
8150 (nnheader-narrow-to-headers)
8151 (unless (setq ref (message-fetch-field "references"))
8152 (when (setq ref (message-fetch-field "in-reply-to"))
8153 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8156 ;; It's not the current article, so we take a bet on
8157 ;; the value we got from the server.
8158 (mail-header-references header)))
8160 (not (equal ref "")))
8161 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8162 (gnus-message 1 "Couldn't find parent"))
8163 (gnus-message 1 "No references in article %d"
8164 (gnus-summary-article-number))
8167 (gnus-summary-position-point)
8170 (defun gnus-summary-refer-references ()
8171 "Fetch all articles mentioned in the References header.
8172 Return the number of articles fetched."
8174 (let ((ref (mail-header-references (gnus-summary-article-header)))
8175 (current (gnus-summary-article-number))
8179 (error "No References in the current article")
8180 ;; For each Message-ID in the References header...
8181 (while (string-match "<[^>]*>" ref)
8183 ;; ... fetch that article.
8184 (gnus-summary-refer-article
8185 (prog1 (match-string 0 ref)
8186 (setq ref (substring ref (match-end 0))))))
8187 (gnus-summary-goto-subject current)
8188 (gnus-summary-position-point)
8191 (defun gnus-summary-refer-thread (&optional limit)
8192 "Fetch all articles in the current thread.
8193 If LIMIT (the numerical prefix), fetch that many old headers instead
8194 of what's specified by the `gnus-refer-thread-limit' variable."
8196 (let ((id (mail-header-id (gnus-summary-article-header)))
8197 (limit (if limit (prefix-numeric-value limit)
8198 gnus-refer-thread-limit)))
8199 (unless (eq gnus-fetch-old-headers 'invisible)
8200 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8201 ;; Retrieve the headers and read them in.
8202 (if (eq (if (numberp limit)
8203 (gnus-retrieve-headers
8205 (+ (mail-header-number
8206 (gnus-summary-article-header))
8208 gnus-newsgroup-end))
8209 gnus-newsgroup-name (* limit 2))
8210 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8212 (gnus-retrieve-headers (list gnus-newsgroup-end)
8213 gnus-newsgroup-name limit))
8215 (gnus-build-all-threads)
8216 (error "Can't fetch thread from back ends that don't support NOV"))
8217 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8218 (gnus-summary-limit-include-thread id)))
8220 (defun gnus-summary-refer-article (message-id)
8221 "Fetch an article specified by MESSAGE-ID."
8222 (interactive "sMessage-ID: ")
8223 (when (and (stringp message-id)
8224 (not (zerop (length message-id))))
8225 (setq message-id (gnus-replace-in-string message-id " " ""))
8226 ;; Construct the correct Message-ID if necessary.
8227 ;; Suggested by tale@pawl.rpi.edu.
8228 (unless (string-match "^<" message-id)
8229 (setq message-id (concat "<" message-id)))
8230 (unless (string-match ">$" message-id)
8231 (setq message-id (concat message-id ">")))
8232 ;; People often post MIDs from URLs, so unhex it:
8233 (unless (string-match "@" message-id)
8234 (setq message-id (gnus-url-unhex-string message-id)))
8235 (let* ((header (gnus-id-to-header message-id))
8237 (gnus-summary-article-sparse-p
8238 (mail-header-number header))
8239 (memq (mail-header-number header)
8240 gnus-newsgroup-limit)))
8243 ;; If the article is present in the buffer we just go to it.
8245 (or (not (gnus-summary-article-sparse-p
8246 (mail-header-number header)))
8249 (gnus-summary-goto-article
8250 (mail-header-number header) nil t)
8252 (gnus-summary-update-article (mail-header-number header)))))
8254 ;; We fetch the article.
8256 (dolist (gnus-override-method (gnus-refer-article-methods))
8257 (when (and (gnus-check-server gnus-override-method)
8258 ;; Fetch the header,
8259 (setq number (gnus-summary-insert-subject message-id)))
8260 ;; and display the article.
8261 (gnus-summary-select-article nil nil nil number)
8263 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8265 (defun gnus-refer-article-methods ()
8266 "Return a list of referable methods."
8268 ;; No method, so we default to current and native.
8269 ((null gnus-refer-article-method)
8270 (list gnus-current-select-method gnus-select-method))
8272 ((eq 'current gnus-refer-article-method)
8273 (list gnus-current-select-method))
8274 ;; List of select methods.
8275 ((not (and (symbolp (car gnus-refer-article-method))
8276 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8278 (dolist (method gnus-refer-article-method)
8279 (push (if (eq 'current method)
8280 gnus-current-select-method
8284 ;; One single select method.
8286 (list gnus-refer-article-method))))
8288 (defun gnus-summary-edit-parameters ()
8289 "Edit the group parameters of the current group."
8291 (gnus-group-edit-group gnus-newsgroup-name 'params))
8293 (defun gnus-summary-customize-parameters ()
8294 "Customize the group parameters of the current group."
8296 (gnus-group-customize gnus-newsgroup-name))
8298 (defun gnus-summary-enter-digest-group (&optional force)
8299 "Enter an nndoc group based on the current article.
8300 If FORCE, force a digest interpretation. If not, try
8301 to guess what the document format is."
8303 (let ((conf gnus-current-window-configuration))
8304 (save-window-excursion
8306 (let (gnus-article-prepare-hook
8307 gnus-display-mime-function
8309 (gnus-summary-select-article))))
8310 (setq gnus-current-window-configuration conf)
8311 (let* ((name (format "%s-%d"
8312 (gnus-group-prefixed-name
8313 gnus-newsgroup-name (list 'nndoc ""))
8314 (with-current-buffer gnus-summary-buffer
8315 gnus-current-article)))
8316 (ogroup gnus-newsgroup-name)
8317 (params (append (gnus-info-params (gnus-get-info ogroup))
8318 (list (cons 'to-group ogroup))
8319 (list (cons 'parent-group ogroup))
8320 (list (cons 'save-article-group ogroup))))
8321 (case-fold-search t)
8322 (buf (current-buffer))
8325 (set-buffer gnus-original-article-buffer)
8326 ;; Have the digest group inherit the main mail address of
8327 ;; the parent article.
8328 (when (setq to-address (or (gnus-fetch-field "reply-to")
8329 (gnus-fetch-field "from")))
8330 (setq params (append
8331 (list (cons 'to-address
8332 (funcall gnus-decode-encoded-word-function
8334 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8335 (insert-buffer-substring gnus-original-article-buffer)
8336 ;; Remove lines that may lead nndoc to misinterpret the
8339 (goto-char (point-min))
8340 (or (search-forward "\n\n" nil t) (point)))
8341 (goto-char (point-min))
8342 (delete-matching-lines "^Path:\\|^From ")
8345 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8346 (gnus-newsgroup-ephemeral-ignored-charsets
8347 gnus-newsgroup-ignored-charsets))
8348 (gnus-group-read-ephemeral-group
8349 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8351 ,(if force 'mbox 'guess)))
8353 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8355 ;; Make all postings to this group go to the parent group.
8356 (nconc (gnus-info-params (gnus-get-info name))
8358 ;; Couldn't select this doc group.
8359 (switch-to-buffer buf)
8360 (gnus-set-global-variables)
8361 (gnus-configure-windows 'summary)
8362 (gnus-message 3 "Article couldn't be entered?"))
8363 (kill-buffer dig)))))
8365 (defun gnus-summary-read-document (n)
8366 "Open a new group based on the current article(s).
8367 This will allow you to read digests and other similar
8368 documents as newsgroups.
8369 Obeys the standard process/prefix convention."
8371 (let* ((articles (gnus-summary-work-articles n))
8372 (ogroup gnus-newsgroup-name)
8373 (params (append (gnus-info-params (gnus-get-info ogroup))
8374 (list (cons 'to-group ogroup))))
8375 article group egroup groups vgroup)
8376 (while (setq article (pop articles))
8377 (setq group (format "%s-%d" gnus-newsgroup-name article))
8378 (gnus-summary-remove-process-mark article)
8379 (when (gnus-summary-display-article article)
8382 (insert-buffer-substring gnus-original-article-buffer)
8383 ;; Remove some headers that may lead nndoc to make
8385 (message-narrow-to-head)
8386 (goto-char (point-min))
8387 (delete-matching-lines "^Path:\\|^From ")
8390 (gnus-group-read-ephemeral-group
8391 group `(nndoc ,group (nndoc-address ,(current-buffer))
8392 (nndoc-article-type guess))
8395 ;; Make all postings to this group go to the parent group.
8396 (nconc (gnus-info-params (gnus-get-info egroup))
8398 (push egroup groups))
8399 ;; Couldn't select this doc group.
8400 (gnus-error 3 "Article couldn't be entered"))))))
8401 ;; Now we have selected all the documents.
8404 (error "None of the articles could be interpreted as documents"))
8405 ((gnus-group-read-ephemeral-group
8406 (setq vgroup (format
8407 "nnvirtual:%s-%s" gnus-newsgroup-name
8408 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8409 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8411 (cons (current-buffer) 'summary)))
8413 (error "Couldn't select virtual nndoc group")))))
8415 (defun gnus-summary-isearch-article (&optional regexp-p)
8416 "Do incremental search forward on the current article.
8417 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8419 (let* ((gnus-inhibit-treatment t)
8420 (old (gnus-summary-select-article)))
8421 (gnus-configure-windows 'article)
8422 (gnus-eval-in-buffer-window gnus-article-buffer
8426 (gnus-article-show-all-headers))
8427 (goto-char (point-min))
8428 (isearch-forward regexp-p)))))
8430 (defun gnus-summary-search-article-forward (regexp &optional backward)
8431 "Search for an article containing REGEXP forward.
8432 If BACKWARD, search backward instead."
8435 (format "Search article %s (regexp%s): "
8436 (if current-prefix-arg "backward" "forward")
8437 (if gnus-last-search-regexp
8438 (concat ", default " gnus-last-search-regexp)
8440 current-prefix-arg))
8441 (if (string-equal regexp "")
8442 (setq regexp (or gnus-last-search-regexp ""))
8443 (setq gnus-last-search-regexp regexp)
8444 (setq gnus-article-before-search gnus-current-article))
8445 ;; Intentionally set gnus-last-article.
8446 (setq gnus-last-article gnus-article-before-search)
8447 (let ((gnus-last-article gnus-last-article))
8448 (if (gnus-summary-search-article regexp backward)
8449 (gnus-summary-show-thread)
8450 (error "Search failed: \"%s\"" regexp))))
8452 (defun gnus-summary-search-article-backward (regexp)
8453 "Search for an article containing REGEXP backward."
8456 (format "Search article backward (regexp%s): "
8457 (if gnus-last-search-regexp
8458 (concat ", default " gnus-last-search-regexp)
8460 (gnus-summary-search-article-forward regexp 'backward))
8463 (defmacro gnus-summary-search-article-position-point (regexp backward)
8464 "Dehighlight the last matched text and goto the beginning position."
8465 (` (if (and gnus-summary-search-article-matched-data
8466 (let ((text (caddr gnus-summary-search-article-matched-data))
8467 (inhibit-read-only t)
8470 (goto-char (car gnus-summary-search-article-matched-data))
8471 (cadr gnus-summary-search-article-matched-data))
8473 (string-match (, regexp) text)))
8474 (if (, backward) (beginning-of-line) (end-of-line))
8475 (goto-char (if (, backward) (point-max) (point-min))))))
8477 (defmacro gnus-summary-search-article-highlight-goto-x-face (opoint)
8478 "Place point where X-Face image is displayed."
8479 (if (featurep 'xemacs)
8480 (` (let ((end (if (search-forward "\n\n" nil t)
8481 (goto-char (1- (point)))
8484 (or (search-backward "\n\n" nil t) (goto-char (point-min)))
8485 (unless (and (re-search-forward "^From:" end t)
8486 (setq extent (extent-at (point)))
8487 (extent-begin-glyph extent))
8488 (goto-char (, opoint)))))
8489 (` (let ((end (if (search-forward "\n\n" nil t)
8490 (goto-char (1- (point)))
8492 (start (or (search-backward "\n\n" nil t) (point-min))))
8494 (or (text-property-any start end 'x-face-image t);; x-face-e21
8495 (text-property-any start end 'x-face-mule-bitmap-image t)
8498 (defmacro gnus-summary-search-article-highlight-matched-text
8499 (backward treated x-face)
8500 "Highlight matched text in the function `gnus-summary-search-article'."
8501 (` (let ((start (set-marker (make-marker) (match-beginning 0)))
8502 (end (set-marker (make-marker) (match-end 0)))
8503 (inhibit-read-only t)
8507 (let ((items (mapcar 'car gnus-treatment-function-alist)))
8509 (lambda (item) (setq items (delq item items)))
8510 '(gnus-treat-buttonize
8511 gnus-treat-fill-article
8512 gnus-treat-fill-long-lines
8513 gnus-treat-emphasize
8514 gnus-treat-highlight-headers
8515 gnus-treat-highlight-citation
8516 gnus-treat-highlight-signature
8517 gnus-treat-overstrike
8518 gnus-treat-display-x-face
8519 gnus-treat-buttonize-head
8520 gnus-treat-decode-article-as-default-mime-charset))
8521 (static-if (featurep 'xemacs)
8523 (cons '(x-face-mule-delete-x-face-field
8526 (gnus-treat-display-x-face
8527 (when (, x-face) gnus-treat-display-x-face)))
8528 (gnus-article-prepare-mime-display)))
8529 (goto-char (if (, backward) start end))
8531 (gnus-summary-search-article-highlight-goto-x-face (point)))
8532 (setq gnus-summary-search-article-matched-data
8533 (list start end (buffer-substring start end)))
8534 (unless (eq start end);; matched text has been deleted. :-<
8535 (put-text-property start end 'face
8536 (or (find-face 'isearch)
8537 'secondary-selection))))))
8540 (defun gnus-summary-search-article (regexp &optional backward)
8541 "Search for an article containing REGEXP.
8542 Optional argument BACKWARD means do search for backward.
8543 `gnus-select-article-hook' is not called during the search."
8544 ;; We have to require this here to make sure that the following
8545 ;; dynamic binding isn't shadowed by autoloading.
8546 (require 'gnus-async)
8548 (let ((gnus-select-article-hook nil) ;Disable hook.
8549 (gnus-article-prepare-hook nil)
8550 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8551 (gnus-use-article-prefetch nil)
8552 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8553 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8555 (gnus-keep-backlog nil)
8556 (gnus-break-pages nil)
8557 (gnus-summary-display-arrow nil)
8558 (gnus-updated-mode-lines nil)
8559 (gnus-auto-center-summary nil)
8560 (sum (current-buffer))
8563 (gnus-save-hidden-threads
8564 (static-if (featurep 'xemacs)
8565 (let ((gnus-inhibit-treatment t))
8566 (setq treated (eq 'old (gnus-summary-select-article)))
8568 (not (and (gnus-buffer-live-p gnus-article-buffer)
8569 (window-live-p (get-buffer-window
8570 gnus-article-buffer t)))))
8571 (gnus-summary-select-article nil t)
8572 (setq treated nil)))
8573 (let ((gnus-inhibit-treatment t)
8574 (x-face-mule-delete-x-face-field 'never))
8575 (setq treated (eq 'old (gnus-summary-select-article)))
8578 (and (gnus-buffer-live-p gnus-article-buffer)
8579 (window-live-p (get-buffer-window
8580 gnus-article-buffer t))
8581 (or (not (string-match "^\\^X-Face:" regexp))
8582 (with-current-buffer gnus-article-buffer
8583 gnus-summary-search-article-matched-data)))))
8584 (gnus-summary-select-article nil t)
8585 (setq treated nil))))
8586 (set-buffer gnus-article-buffer)
8590 (gnus-article-show-all-headers)
8591 (gnus-summary-search-article-position-point regexp backward))
8592 (goto-char (if backward (point-max) (point-min))))
8594 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8596 (re-search-backward regexp nil t)
8597 (re-search-forward regexp nil t))
8598 ;; We found the regexp.
8600 (gnus-summary-search-article-highlight-matched-text
8601 backward treated (string-match "^\\^X-Face:" regexp))
8604 (/ (- 2 (window-height
8605 (get-buffer-window gnus-article-buffer t)))
8608 (get-buffer-window (current-buffer))
8611 (setq point (point)))
8612 ;; We didn't find it, so we go to the next article.
8615 (while (eq found 'not)
8616 (if (not (if backward (gnus-summary-find-prev)
8617 (gnus-summary-find-next)))
8618 ;; No more articles.
8620 ;; Select the next article and adjust point.
8621 (unless (gnus-summary-article-sparse-p
8622 (gnus-summary-article-number))
8624 (let ((gnus-inhibit-treatment t))
8625 (gnus-summary-select-article))
8627 (set-buffer gnus-article-buffer)
8629 (goto-char (if backward (point-max) (point-min))))))))
8630 (gnus-message 7 ""))
8631 ;; Return whether we found the regexp.
8632 (when (eq found 'found)
8634 (gnus-summary-show-thread)
8635 (gnus-summary-goto-subject gnus-current-article)
8636 (gnus-summary-position-point)
8639 (defun gnus-find-matching-articles (header regexp)
8640 "Return a list of all articles that match REGEXP on HEADER.
8641 This search includes all articles in the current group that Gnus has
8642 fetched headers for, whether they are displayed or not."
8643 (let ((articles nil)
8644 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8645 (case-fold-search t))
8646 (dolist (header gnus-newsgroup-headers)
8647 (when (string-match regexp (funcall func header))
8648 (push (mail-header-number header) articles)))
8649 (nreverse articles)))
8651 (defun gnus-summary-find-matching (header regexp &optional backward unread
8652 not-case-fold not-matching)
8653 "Return a list of all articles that match REGEXP on HEADER.
8654 The search stars on the current article and goes forwards unless
8655 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8656 If UNREAD is non-nil, only unread articles will
8657 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8658 in the comparisons. If NOT-MATCHING, return a list of all articles that
8659 not match REGEXP on HEADER."
8660 (let ((case-fold-search (not not-case-fold))
8663 (if (eq (car header) 'extra)
8666 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8668 (error "%s is an invalid header" header))
8669 (unless (fboundp (intern (concat "mail-header-" header)))
8670 (error "%s is not a valid header" header))
8671 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8672 (dolist (d (if (eq backward 'all)
8674 (gnus-data-find-list
8675 (gnus-summary-article-number)
8676 (gnus-data-list backward))))
8677 (when (and (or (not unread) ; We want all articles...
8678 (gnus-data-unread-p d)) ; Or just unreads.
8679 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8683 (funcall func (gnus-data-header d))))
8684 (string-match regexp
8685 (funcall func (gnus-data-header d)))))
8686 (push (gnus-data-number d) articles))) ; Success!
8687 (nreverse articles)))
8689 (defun gnus-summary-execute-command (header regexp command &optional backward)
8690 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8691 If HEADER is an empty string (or nil), the match is done on the entire
8692 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8694 (list (let ((completion-ignore-case t))
8697 (mapcar (lambda (header) (list (format "%s" header)))
8699 '("Number" "Subject" "From" "Lines" "Date"
8700 "Message-ID" "Xref" "References" "Body")
8701 gnus-extra-headers))
8702 nil 'require-match))
8703 (read-string "Regexp: ")
8704 (read-key-sequence "Command: ")
8705 current-prefix-arg))
8706 (when (equal header "Body")
8708 ;; Hidden thread subtrees must be searched as well.
8709 (gnus-summary-show-all-threads)
8710 ;; We don't want to change current point nor window configuration.
8712 (save-window-excursion
8714 gnus-treat-strip-trailing-blank-lines
8715 gnus-treat-strip-leading-blank-lines
8716 gnus-treat-strip-multiple-blank-lines
8717 gnus-treat-hide-boring-headers
8718 gnus-treat-fold-newsgroups
8719 gnus-article-prepare-hook)
8720 (gnus-message 6 "Executing %s..." (key-description command))
8721 ;; We'd like to execute COMMAND interactively so as to give arguments.
8722 (gnus-execute header regexp
8723 `(call-interactively ',(key-binding command))
8725 (gnus-message 6 "Executing %s...done" (key-description command))))))
8727 (defun gnus-summary-beginning-of-article ()
8728 "Scroll the article back to the beginning."
8730 (gnus-summary-select-article)
8731 (gnus-configure-windows 'article)
8732 (gnus-eval-in-buffer-window gnus-article-buffer
8734 (goto-char (point-min))
8735 (when gnus-break-pages
8736 (gnus-narrow-to-page))))
8738 (defun gnus-summary-end-of-article ()
8739 "Scroll to the end of the article."
8741 (gnus-summary-select-article)
8742 (gnus-configure-windows 'article)
8743 (gnus-eval-in-buffer-window gnus-article-buffer
8745 (goto-char (point-max))
8747 (when gnus-break-pages
8748 (when (re-search-backward page-delimiter nil t)
8749 (narrow-to-region (match-end 0) (point-max)))
8750 (gnus-narrow-to-page))))
8752 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8753 "Truncate to LEN and quote all \"(\"'s in STRING."
8754 (gnus-replace-in-string (if (and len (> (length string) len))
8755 (substring string 0 len)
8759 (defun gnus-summary-print-article (&optional filename n)
8760 "Generate and print a PostScript image of the process-marked (mail) articles.
8762 If used interactively, print the current article if none are
8763 process-marked. With prefix arg, prompt the user for the name of the
8766 When used from Lisp, accept two optional args FILENAME and N. N means
8767 to print the next N articles. If N is negative, print the N previous
8768 articles. If N is nil and articles have been marked with the process
8769 mark, print these instead.
8771 If the optional first argument FILENAME is nil, send the image to the
8772 printer. If FILENAME is a string, save the PostScript image in a file with
8773 that name. If FILENAME is a number, prompt the user for the name of the file
8775 (interactive (list (ps-print-preprint current-prefix-arg)))
8776 (dolist (article (gnus-summary-work-articles n))
8777 (gnus-summary-select-article nil nil 'pseudo article)
8778 (gnus-eval-in-buffer-window gnus-article-buffer
8779 (gnus-print-buffer))
8780 (gnus-summary-remove-process-mark article))
8781 (ps-despool filename))
8783 (defun gnus-print-buffer ()
8784 (let ((buffer (generate-new-buffer " *print*")))
8787 (copy-to-buffer buffer (point-min) (point-max))
8789 (gnus-remove-text-with-property 'gnus-decoration)
8790 (when (gnus-visual-p 'article-highlight 'highlight)
8791 ;; Copy-to-buffer doesn't copy overlay. So redo
8793 (let ((gnus-article-buffer buffer))
8794 (gnus-article-highlight-citation t)
8795 (gnus-article-highlight-signature)
8796 (gnus-article-emphasize)
8797 (gnus-article-delete-invisible-text)))
8798 (let ((ps-left-header
8801 (gnus-summary-print-truncate-and-quote
8802 (mail-header-subject gnus-current-headers)
8805 (gnus-summary-print-truncate-and-quote
8806 (mail-header-from gnus-current-headers)
8810 "/pagenumberstring load"
8812 (mail-header-date gnus-current-headers) ")"))))
8813 (gnus-run-hooks 'gnus-ps-print-hook)
8816 (ps-spool-buffer-with-faces)
8817 (ps-spool-buffer)))))
8818 (kill-buffer buffer))))
8820 (defun gnus-summary-show-article (&optional arg)
8821 "Force redisplaying of the current article.
8822 If ARG (the prefix) is a number, show the article with the charset
8823 defined in `gnus-summary-show-article-charset-alist', or the charset
8825 If ARG (the prefix) is non-nil and not a number, show the raw article
8826 without any article massaging functions being run. Normally, the key
8827 strokes are `C-u g'."
8831 (gnus-summary-show-article t)
8832 (let* ((gnus-newsgroup-charset
8833 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8834 (mm-read-coding-system
8835 "View as charset: " ;; actually it is coding system.
8837 (set-buffer gnus-article-buffer)
8838 (mm-detect-coding-region (point) (point-max))))))
8839 (default-mime-charset gnus-newsgroup-charset)
8840 (gnus-newsgroup-ignored-charsets 'gnus-all))
8841 (gnus-summary-select-article nil 'force)
8842 (let ((deps gnus-newsgroup-dependencies)
8845 (set-buffer gnus-original-article-buffer)
8847 (message-narrow-to-head)
8848 (setq head (buffer-string))
8849 (goto-char (point-min))
8850 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8851 (goto-char (point-max))
8853 (setq lines (1- (count-lines (point) (point-max))))))
8855 (insert (format "211 %d Article retrieved.\n"
8856 (cdr gnus-article-current)))
8858 (if lines (insert (format "Lines: %d\n" lines)))
8860 (let ((nntp-server-buffer (current-buffer)))
8861 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8862 (gnus-data-set-header
8863 (gnus-data-find (cdr gnus-article-current))
8865 (gnus-summary-update-article-line
8866 (cdr gnus-article-current) header)
8867 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8868 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8870 ;; Select the article the normal way.
8871 (gnus-summary-select-article nil 'force))
8873 ;; We have to require this here to make sure that the following
8874 ;; dynamic binding isn't shadowed by autoloading.
8875 (require 'gnus-async)
8877 ;; Bind the article treatment functions to nil.
8878 (let ((gnus-have-all-headers t)
8879 gnus-article-prepare-hook
8880 gnus-article-decode-hook
8883 (gnus-inhibit-treatment t))
8884 (gnus-summary-select-article nil 'force))))
8885 (gnus-summary-goto-subject gnus-current-article)
8886 (gnus-summary-position-point))
8888 (defun gnus-summary-show-raw-article ()
8889 "Show the raw article without any article massaging functions being run."
8891 (gnus-summary-show-article t))
8893 (defun gnus-summary-verbose-headers (&optional arg)
8894 "Toggle permanent full header display.
8895 If ARG is a positive number, turn header display on.
8896 If ARG is a negative number, turn header display off."
8898 (setq gnus-show-all-headers
8899 (cond ((or (not (numberp arg))
8901 (not gnus-show-all-headers))
8904 (gnus-summary-show-article))
8906 (defun gnus-summary-toggle-header (&optional arg)
8907 "Show the headers if they are hidden, or hide them if they are shown.
8908 If ARG is a positive number, show the entire header.
8909 If ARG is a negative number, hide the unwanted header lines."
8911 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8912 (get-buffer-window gnus-article-buffer t))))
8913 (with-current-buffer gnus-article-buffer
8915 (article-narrow-to-head)
8916 (let* ((buffer-read-only nil)
8917 (inhibit-point-motion-hooks t)
8918 (hidden (if (numberp arg)
8920 (gnus-article-hidden-text-p 'headers)))
8922 (delete-region (point-min) (point-max))
8923 (with-current-buffer gnus-original-article-buffer
8924 (goto-char (setq s (point-min)))
8925 (setq e (if (search-forward "\n\n" nil t)
8928 (insert-buffer-substring gnus-original-article-buffer s e)
8929 ;; In T-gnus, gnus-article-decode-hook doesn't contain
8930 ;; article-decode-encoded-words by default.
8931 (article-decode-encoded-words)
8932 (run-hooks 'gnus-article-decode-hook)
8934 (let ((gnus-treat-hide-headers nil)
8935 (gnus-treat-hide-boring-headers nil))
8936 (gnus-delete-wash-type 'headers)
8937 (gnus-treat-article 'head))
8938 (gnus-treat-article 'head))
8941 (set-window-start window (goto-char (point-min))))
8942 (if gnus-break-pages
8943 (gnus-narrow-to-page)
8944 (when (gnus-visual-p 'page-marker)
8945 (let ((buffer-read-only nil))
8946 (gnus-remove-text-with-property 'gnus-prev)
8947 (gnus-remove-text-with-property 'gnus-next))))
8948 (gnus-set-mode-line 'article)))))
8950 (defun gnus-summary-show-all-headers ()
8951 "Make all header lines visible."
8953 (gnus-summary-toggle-header 1))
8955 (defun gnus-summary-toggle-mime (&optional arg)
8956 "Toggle MIME processing.
8957 If ARG is a positive number, turn MIME processing on."
8959 (setq gnus-show-mime
8961 (not gnus-show-mime)
8962 (> (prefix-numeric-value arg) 0)))
8963 (gnus-summary-select-article t 'force))
8965 (defun gnus-summary-caesar-message (&optional arg)
8966 "Caesar rotate the current article by 13.
8967 The numerical prefix specifies how many places to rotate each letter
8970 (gnus-summary-select-article)
8971 (let ((mail-header-separator ""))
8972 (gnus-eval-in-buffer-window gnus-article-buffer
8975 (let ((start (window-start))
8977 (message-caesar-buffer-body arg)
8978 (set-window-start (get-buffer-window (current-buffer)) start))))))
8980 (autoload 'unmorse-region "morse"
8981 "Convert morse coded text in region to ordinary ASCII text."
8984 (defun gnus-summary-morse-message (&optional arg)
8985 "Morse decode the current article."
8987 (gnus-summary-select-article)
8988 (let ((mail-header-separator ""))
8989 (gnus-eval-in-buffer-window gnus-article-buffer
8993 (let ((pos (window-start))
8995 (goto-char (point-min))
8996 (when (message-goto-body)
8997 (gnus-narrow-to-body))
8998 (goto-char (point-min))
8999 (while (re-search-forward "·" (point-max) t)
9000 (replace-match "."))
9001 (unmorse-region (point-min) (point-max))
9003 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9005 (defun gnus-summary-stop-page-breaking ()
9006 "Stop page breaking in the current article."
9008 (gnus-summary-select-article)
9009 (gnus-eval-in-buffer-window gnus-article-buffer
9011 (when (gnus-visual-p 'page-marker)
9012 (let ((buffer-read-only nil))
9013 (gnus-remove-text-with-property 'gnus-prev)
9014 (gnus-remove-text-with-property 'gnus-next))
9015 (setq gnus-page-broken nil))))
9017 (defun gnus-summary-move-article (&optional n to-newsgroup
9018 select-method action)
9019 "Move the current article to a different newsgroup.
9020 If N is a positive number, move the N next articles.
9021 If N is a negative number, move the N previous articles.
9022 If N is nil and any articles have been marked with the process mark,
9023 move those articles instead.
9024 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9025 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9026 re-spool using this method.
9028 When called interactively with TO-NEWSGROUP being nil, the value of
9029 the variable `gnus-move-split-methods' is used for finding a default
9030 for the target newsgroup.
9032 For this function to work, both the current newsgroup and the
9033 newsgroup that you want to move to have to support the `request-move'
9034 and `request-accept' functions.
9036 ACTION can be either `move' (the default), `crosspost' or `copy'."
9039 (setq action 'move))
9040 ;; Check whether the source group supports the required functions.
9041 (cond ((and (eq action 'move)
9042 (not (gnus-check-backend-function
9043 'request-move-article gnus-newsgroup-name)))
9044 (error "The current group does not support article moving"))
9045 ((and (eq action 'crosspost)
9046 (not (gnus-check-backend-function
9047 'request-replace-article gnus-newsgroup-name)))
9048 (error "The current group does not support article editing")))
9049 (let ((articles (gnus-summary-work-articles n))
9050 (prefix (if (gnus-check-backend-function
9051 'request-move-article gnus-newsgroup-name)
9052 (funcall gnus-move-group-prefix-function
9053 gnus-newsgroup-name)
9055 (names '((move "Move" "Moving")
9056 (copy "Copy" "Copying")
9057 (crosspost "Crosspost" "Crossposting")))
9058 (copy-buf (save-excursion
9059 (nnheader-set-temp-buffer " *copy article*")))
9060 art-group to-method new-xref article to-groups)
9061 (unless (assq action names)
9062 (error "Unknown action %s" action))
9063 ;; Read the newsgroup name.
9064 (when (and (not to-newsgroup)
9065 (not select-method))
9066 (if (and gnus-move-split-methods
9068 (and (memq gnus-current-article articles)
9069 (gnus-buffer-live-p gnus-original-article-buffer))))
9070 ;; When `gnus-move-split-methods' is non-nil, we have to
9071 ;; select an article to give `gnus-read-move-group-name' an
9072 ;; opportunity to suggest an appropriate default. However,
9073 ;; we needn't render or mark the article.
9074 (let ((gnus-display-mime-function nil)
9075 (gnus-article-prepare-hook nil)
9076 (gnus-mark-article-hook nil))
9077 (gnus-summary-select-article nil nil nil (car articles))))
9079 (gnus-read-move-group-name
9080 (cadr (assq action names))
9081 (symbol-value (intern (format "gnus-current-%s-group" action)))
9083 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
9084 (setq to-method (or select-method
9085 (gnus-server-to-method
9086 (gnus-group-method to-newsgroup))))
9087 ;; Check the method we are to move this article to...
9088 (unless (gnus-check-backend-function
9089 'request-accept-article (car to-method))
9090 (error "%s does not support article copying" (car to-method)))
9091 (unless (gnus-check-server to-method)
9092 (error "Can't open server %s" (car to-method)))
9093 (gnus-message 6 "%s to %s: %s..."
9094 (caddr (assq action names))
9095 (or (car select-method) to-newsgroup) articles)
9097 (setq article (pop articles))
9101 ;; Move the article.
9103 ;; Remove this article from future suppression.
9104 (gnus-dup-unsuppress-article article)
9105 (gnus-request-move-article
9106 article ; Article to move
9107 gnus-newsgroup-name ; From newsgroup
9108 (nth 1 (gnus-find-method-for-group
9109 gnus-newsgroup-name)) ; Server
9110 (list 'gnus-request-accept-article
9111 to-newsgroup (list 'quote select-method)
9112 (not articles) t) ; Accept form
9113 (not articles))) ; Only save nov last time
9114 ;; Copy the article.
9117 (set-buffer copy-buf)
9118 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9119 (gnus-request-accept-article
9120 to-newsgroup select-method (not articles) t))))
9121 ;; Crosspost the article.
9122 ((eq action 'crosspost)
9123 (let ((xref (message-tokenize-header
9124 (mail-header-xref (gnus-summary-article-header article))
9126 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9127 ":" (number-to-string article)))
9129 (setq xref (list (system-name))))
9132 (mapconcat 'identity
9133 (delete "Xref:" (delete new-xref xref))
9137 (set-buffer copy-buf)
9138 ;; First put the article in the destination group.
9139 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9140 (when (consp (setq art-group
9141 (gnus-request-accept-article
9142 to-newsgroup select-method (not articles))))
9143 (setq new-xref (concat new-xref " " (car art-group)
9145 (number-to-string (cdr art-group))))
9146 ;; Now we have the new Xrefs header, so we insert
9147 ;; it and replace the new article.
9148 (nnheader-replace-header "Xref" new-xref)
9149 (gnus-request-replace-article
9150 (cdr art-group) to-newsgroup (current-buffer))
9154 (gnus-message 1 "Couldn't %s article %s: %s"
9155 (cadr (assq action names)) article
9156 (nnheader-get-report (car to-method))))
9157 ((eq art-group 'junk)
9158 (when (eq action 'move)
9159 (gnus-summary-mark-article article gnus-canceled-mark)
9160 (gnus-message 4 "Deleted article %s" article)
9161 ;; run the delete hook
9162 (run-hook-with-args 'gnus-summary-article-delete-hook
9165 (assoc article (gnus-data-list nil)))
9166 gnus-newsgroup-name nil
9169 (let* ((pto-group (gnus-group-prefixed-name
9170 (car art-group) to-method))
9171 (info (gnus-get-info pto-group))
9172 (to-group (gnus-info-group info))
9174 ;; Update the group that has been moved to.
9176 (memq action '(move copy)))
9177 (unless (member to-group to-groups)
9178 (push to-group to-groups))
9180 (unless (memq article gnus-newsgroup-unreads)
9181 (push 'read to-marks)
9183 info (gnus-add-to-range (gnus-info-read info)
9184 (list (cdr art-group)))))
9186 ;; See whether the article is to be put in the cache.
9187 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9188 gnus-article-mark-lists
9189 (delete '(expirable . expire)
9190 (copy-sequence gnus-article-mark-lists))))
9191 (to-article (cdr art-group)))
9193 ;; Enter the article into the cache in the new group,
9194 ;; if that is required.
9195 (when gnus-use-cache
9196 (gnus-cache-possibly-enter-article
9198 (let ((header (copy-sequence
9199 (gnus-summary-article-header article))))
9200 (mail-header-set-number header to-article)
9202 (memq article gnus-newsgroup-marked)
9203 (memq article gnus-newsgroup-dormant)
9204 (memq article gnus-newsgroup-unreads)))
9206 (when gnus-preserve-marks
9207 ;; Copy any marks over to the new group.
9208 (when (and (equal to-group gnus-newsgroup-name)
9209 (not (memq article gnus-newsgroup-unreads)))
9210 ;; Mark this article as read in this group.
9211 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9212 (setcdr (gnus-active to-group) to-article)
9213 (setcdr gnus-newsgroup-active to-article))
9216 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9217 (when (memq article (symbol-value
9218 (intern (format "gnus-newsgroup-%s"
9220 (push (cdar marks) to-marks)
9221 ;; If the other group is the same as this group,
9222 ;; then we have to add the mark to the list.
9223 (when (equal to-group gnus-newsgroup-name)
9224 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9227 (intern (format "gnus-newsgroup-%s"
9229 ;; Copy the marks to other group.
9230 (gnus-add-marked-articles
9231 to-group (cdar marks) (list to-article) info)))
9232 (setq marks (cdr marks)))
9234 (gnus-request-set-mark
9235 to-group (list (list (list to-article) 'add to-marks))))
9238 (concat "(gnus-group-set-info '"
9239 (gnus-prin1-to-string (gnus-get-info to-group))
9242 ;; Update the Xref header in this article to point to
9243 ;; the new crossposted article we have just created.
9244 (when (eq action 'crosspost)
9246 (set-buffer copy-buf)
9247 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9248 (nnheader-replace-header "Xref" new-xref)
9249 (gnus-request-replace-article
9250 article gnus-newsgroup-name (current-buffer))))
9252 ;; run the move/copy/crosspost/respool hook
9253 (run-hook-with-args 'gnus-summary-article-move-hook
9256 (assoc article (gnus-data-list nil)))
9261 ;;;!!!Why is this necessary?
9262 (set-buffer gnus-summary-buffer)
9264 (gnus-summary-goto-subject article)
9265 (when (eq action 'move)
9266 (gnus-summary-mark-article article gnus-canceled-mark))))
9267 (gnus-summary-remove-process-mark article))
9268 ;; Re-activate all groups that have been moved to.
9270 (set-buffer gnus-group-buffer)
9271 (let ((gnus-group-marked to-groups))
9272 (gnus-group-get-new-news-this-group nil t)))
9274 (gnus-kill-buffer copy-buf)
9275 (gnus-summary-position-point)
9276 (gnus-set-mode-line 'summary)))
9278 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9279 "Move the current article to a different newsgroup.
9280 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9281 When called interactively, if TO-NEWSGROUP is nil, use the value of
9282 the variable `gnus-move-split-methods' for finding a default target
9284 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9285 re-spool using this method."
9287 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9289 (defun gnus-summary-crosspost-article (&optional n)
9290 "Crosspost the current article to some other group."
9292 (gnus-summary-move-article n nil nil 'crosspost))
9294 (defcustom gnus-summary-respool-default-method nil
9295 "Default method type for respooling an article.
9296 If nil, use to the current newsgroup method."
9298 :group 'gnus-summary-mail)
9300 (defcustom gnus-summary-display-while-building nil
9301 "If non-nil, show and update the summary buffer as it's being built.
9302 If the value is t, update the buffer after every line is inserted. If
9303 the value is an integer (N), update the display every N lines."
9305 :type '(choice (const :tag "off" nil)
9307 (const :tag "frequently" t)))
9309 (defun gnus-summary-respool-article (&optional n method)
9310 "Respool the current article.
9311 The article will be squeezed through the mail spooling process again,
9312 which means that it will be put in some mail newsgroup or other
9313 depending on `nnmail-split-methods'.
9314 If N is a positive number, respool the N next articles.
9315 If N is a negative number, respool the N previous articles.
9316 If N is nil and any articles have been marked with the process mark,
9317 respool those articles instead.
9319 Respooling can be done both from mail groups and \"real\" newsgroups.
9320 In the former case, the articles in question will be moved from the
9321 current group into whatever groups they are destined to. In the
9322 latter case, they will be copied into the relevant groups."
9324 (list current-prefix-arg
9325 (let* ((methods (gnus-methods-using 'respool))
9327 (symbol-name (or gnus-summary-respool-default-method
9328 (car (gnus-find-method-for-group
9329 gnus-newsgroup-name)))))
9331 (gnus-completing-read-with-default
9332 methname "What backend do you want to use when respooling?"
9333 methods nil t nil 'gnus-mail-method-history))
9336 ((zerop (length (setq ms (gnus-servers-using-backend
9338 (list (intern method) ""))
9342 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9343 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9346 (error "No method given for respooling"))
9347 (if (assoc (symbol-name
9348 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9349 (gnus-methods-using 'respool))
9350 (gnus-summary-move-article n nil method)
9351 (gnus-summary-copy-article n nil method)))
9353 (defun gnus-summary-import-article (file &optional edit)
9354 "Import an arbitrary file into a mail newsgroup."
9355 (interactive "fImport file: \nP")
9356 (let ((group gnus-newsgroup-name)
9357 (now (current-time))
9358 atts lines group-art)
9359 (unless (gnus-check-backend-function 'request-accept-article group)
9360 (error "%s does not support article importing" group))
9361 (or (file-readable-p file)
9362 (not (file-regular-p file))
9363 (error "Can't read %s" file))
9365 (set-buffer (gnus-get-buffer-create " *import file*"))
9367 (nnheader-insert-file-contents file)
9368 (goto-char (point-min))
9369 (if (nnheader-article-p)
9371 (goto-char (point-min))
9372 (search-forward "\n\n" nil t)
9373 (narrow-to-region (point-min) (1- (point)))
9374 (goto-char (point-min))
9375 (unless (re-search-forward "^date:" nil t)
9376 (goto-char (point-max))
9377 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9378 ;; This doesn't look like an article, so we fudge some headers.
9379 (setq atts (file-attributes file)
9380 lines (count-lines (point-min) (point-max)))
9381 (insert "From: " (read-string "From: ") "\n"
9382 "Subject: " (read-string "Subject: ") "\n"
9383 "Date: " (message-make-date (nth 5 atts)) "\n"
9384 "Message-ID: " (message-make-message-id) "\n"
9385 "Lines: " (int-to-string lines) "\n"
9386 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9387 (setq group-art (gnus-request-accept-article group nil t))
9388 (kill-buffer (current-buffer)))
9389 (setq gnus-newsgroup-active (gnus-activate-group group))
9391 (gnus-summary-goto-article (cdr group-art) nil t)
9393 (gnus-summary-edit-article))))
9395 (defun gnus-summary-create-article ()
9396 "Create an article in a mail newsgroup."
9398 (let ((group gnus-newsgroup-name)
9399 (now (current-time))
9401 (unless (gnus-check-backend-function 'request-accept-article group)
9402 (error "%s does not support article importing" group))
9404 (set-buffer (gnus-get-buffer-create " *import file*"))
9406 (goto-char (point-min))
9407 ;; This doesn't look like an article, so we fudge some headers.
9408 (insert "From: " (read-string "From: ") "\n"
9409 "Subject: " (read-string "Subject: ") "\n"
9410 "Date: " (message-make-date now) "\n"
9411 "Message-ID: " (message-make-message-id) "\n")
9412 (setq group-art (gnus-request-accept-article group nil t))
9413 (kill-buffer (current-buffer)))
9414 (setq gnus-newsgroup-active (gnus-activate-group group))
9416 (gnus-summary-goto-article (cdr group-art) nil t)
9417 (gnus-summary-edit-article)))
9419 (defun gnus-summary-article-posted-p ()
9420 "Say whether the current (mail) article is available from news as well.
9421 This will be the case if the article has both been mailed and posted."
9423 (let ((id (mail-header-references (gnus-summary-article-header)))
9424 (gnus-override-method (car (gnus-refer-article-methods))))
9425 (if (gnus-request-head id "")
9426 (gnus-message 2 "The current message was found on %s"
9427 gnus-override-method)
9428 (gnus-message 2 "The current message couldn't be found on %s"
9429 gnus-override-method)
9432 (defun gnus-summary-expire-articles (&optional now)
9433 "Expire all articles that are marked as expirable in the current group."
9435 (when (and (not gnus-group-is-exiting-without-update-p)
9436 (gnus-check-backend-function
9437 'request-expire-articles gnus-newsgroup-name))
9438 ;; This backend supports expiry.
9439 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9440 (expirable (if total
9442 ;; We need to update the info for
9443 ;; this group for `gnus-list-of-read-articles'
9444 ;; to give us the right answer.
9445 (gnus-run-hooks 'gnus-exit-group-hook)
9446 (gnus-summary-update-info)
9447 (gnus-list-of-read-articles gnus-newsgroup-name))
9448 (setq gnus-newsgroup-expirable
9449 (sort gnus-newsgroup-expirable '<))))
9450 (expiry-wait (if now 'immediate
9451 (gnus-group-find-parameter
9452 gnus-newsgroup-name 'expiry-wait)))
9453 (nnmail-expiry-target
9454 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9455 nnmail-expiry-target))
9458 ;; There are expirable articles in this group, so we run them
9459 ;; through the expiry process.
9460 (gnus-message 6 "Expiring articles...")
9461 (unless (gnus-check-group gnus-newsgroup-name)
9462 (error "Can't open server for %s" gnus-newsgroup-name))
9463 ;; The list of articles that weren't expired is returned.
9466 (let ((nnmail-expiry-wait-function nil)
9467 (nnmail-expiry-wait expiry-wait))
9468 (setq es (gnus-request-expire-articles
9469 expirable gnus-newsgroup-name)))
9470 (setq es (gnus-request-expire-articles
9471 expirable gnus-newsgroup-name)))
9473 (setq gnus-newsgroup-expirable es))
9474 ;; We go through the old list of expirable, and mark all
9475 ;; really expired articles as nonexistent.
9476 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9477 (let ((gnus-use-cache nil))
9478 (dolist (article expirable)
9479 (when (and (not (memq article es))
9480 (gnus-data-find article))
9481 (gnus-summary-mark-article article gnus-canceled-mark)
9482 (run-hook-with-args 'gnus-summary-article-expire-hook
9485 (assoc article (gnus-data-list nil)))
9489 (gnus-message 6 "Expiring articles...done")))))
9491 (defun gnus-summary-expire-articles-now ()
9492 "Expunge all expirable articles in the current group.
9493 This means that *all* articles that are marked as expirable will be
9494 deleted forever, right now."
9496 (or gnus-expert-user
9498 "Are you really, really, really sure you want to delete all these messages? ")
9500 (gnus-summary-expire-articles t))
9502 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9503 (defun gnus-summary-delete-article (&optional n)
9504 "Delete the N next (mail) articles.
9505 This command actually deletes articles. This is not a marking
9506 command. The article will disappear forever from your life, never to
9509 If N is negative, delete backwards.
9510 If N is nil and articles have been marked with the process mark,
9511 delete these instead.
9513 If `gnus-novice-user' is non-nil you will be asked for
9514 confirmation before the articles are deleted."
9516 (unless (gnus-check-backend-function 'request-expire-articles
9517 gnus-newsgroup-name)
9518 (error "The current newsgroup does not support article deletion"))
9519 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9520 (error "Couldn't open server"))
9521 ;; Compute the list of articles to delete.
9522 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9523 (nnmail-expiry-target 'delete)
9525 (if (and gnus-novice-user
9526 (not (gnus-yes-or-no-p
9527 (format "Do you really want to delete %s forever? "
9528 (if (> (length articles) 1)
9529 (format "these %s articles" (length articles))
9532 ;; Delete the articles.
9533 (setq not-deleted (gnus-request-expire-articles
9534 articles gnus-newsgroup-name 'force))
9536 (gnus-summary-remove-process-mark (car articles))
9537 ;; The backend might not have been able to delete the article
9539 (unless (memq (car articles) not-deleted)
9540 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9541 (let* ((article (car articles))
9542 (id (mail-header-id (gnus-data-header
9543 (assoc article (gnus-data-list nil))))))
9544 (run-hook-with-args 'gnus-summary-article-delete-hook
9545 'delete id gnus-newsgroup-name nil
9547 (setq articles (cdr articles)))
9549 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9550 (gnus-summary-position-point)
9551 (gnus-set-mode-line 'summary)
9554 (defun gnus-summary-edit-article (&optional force)
9555 "Edit the current article.
9556 This will have permanent effect only in mail groups.
9557 If FORCE is non-nil, allow editing of articles even in read-only
9561 (set-buffer gnus-summary-buffer)
9562 (let ((mail-parse-charset gnus-newsgroup-charset)
9563 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9564 (gnus-set-global-variables)
9565 (when (and (not force)
9566 (gnus-group-read-only-p))
9567 (error "The current newsgroup does not support article editing"))
9568 (gnus-summary-show-article t)
9569 (gnus-article-edit-article
9571 `(lambda (no-highlight)
9572 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9573 (message-options message-options)
9574 (message-options-set-recipient)
9575 (mail-parse-ignored-charsets
9576 ',gnus-newsgroup-ignored-charsets))
9577 (gnus-summary-edit-article-done
9578 ,(or (mail-header-references gnus-current-headers) "")
9579 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
9581 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9583 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9585 "Make edits to the current article permanent."
9588 ;; The buffer restriction contains the entire article if it exists.
9589 (when (article-goto-body)
9590 (let ((lines (count-lines (point) (point-max)))
9591 (length (- (point-max) (point)))
9592 (case-fold-search t)
9593 (body (copy-marker (point))))
9594 (goto-char (point-min))
9595 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9596 (delete-region (match-beginning 1) (match-end 1))
9597 (insert (number-to-string length)))
9598 (goto-char (point-min))
9599 (when (re-search-forward
9600 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9601 (delete-region (match-beginning 1) (match-end 1))
9602 (insert (number-to-string length)))
9603 (goto-char (point-min))
9604 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9605 (delete-region (match-beginning 1) (match-end 1))
9606 (insert (number-to-string lines))))))
9607 ;; Replace the article.
9608 (let ((buf (current-buffer)))
9610 (insert-buffer-substring buf)
9612 (if (and (not read-only)
9613 (not (gnus-request-replace-article
9614 (cdr gnus-article-current) (car gnus-article-current)
9615 (current-buffer) t)))
9616 (error "Couldn't replace article")
9617 ;; Update the summary buffer.
9619 (equal (message-tokenize-header references " ")
9620 (message-tokenize-header
9621 (or (message-fetch-field "references") "") " ")))
9622 ;; We only have to update this line.
9625 (message-narrow-to-head)
9626 (let ((head (buffer-string))
9629 (insert (format "211 %d Article retrieved.\n"
9630 (cdr gnus-article-current)))
9633 (let ((nntp-server-buffer (current-buffer)))
9634 (setq header (car (gnus-get-newsgroup-headers
9637 (set-buffer gnus-summary-buffer)
9638 (gnus-data-set-header
9639 (gnus-data-find (cdr gnus-article-current))
9641 (gnus-summary-update-article-line
9642 (cdr gnus-article-current) header)
9643 (if (gnus-summary-goto-subject
9644 (cdr gnus-article-current) nil t)
9645 (gnus-summary-update-secondary-mark
9646 (cdr gnus-article-current))))))))
9648 (set-buffer (or buffer gnus-summary-buffer))
9649 (gnus-summary-update-article (cdr gnus-article-current))
9650 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9651 (gnus-summary-update-secondary-mark
9652 (cdr gnus-article-current))))
9653 ;; Prettify the article buffer again.
9654 (unless no-highlight
9656 (set-buffer gnus-article-buffer)
9657 ;;;!!! Fix this -- article should be rehighlighted.
9658 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9659 (set-buffer gnus-original-article-buffer)
9660 (gnus-request-article
9661 (cdr gnus-article-current)
9662 (car gnus-article-current) (current-buffer))))
9663 ;; Prettify the summary buffer line.
9664 (when (gnus-visual-p 'summary-highlight 'highlight)
9665 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9667 (defun gnus-summary-edit-wash (key)
9668 "Perform editing command KEY in the article buffer."
9672 (message "%s" (concat (this-command-keys) "- "))
9675 (gnus-summary-edit-article)
9676 (execute-kbd-macro (concat (this-command-keys) key))
9677 (gnus-article-edit-done))
9681 (defun gnus-summary-respool-query (&optional silent trace)
9682 "Query where the respool algorithm would put this article."
9684 (let (gnus-mark-article-hook)
9685 (gnus-summary-select-article)
9687 (set-buffer gnus-original-article-buffer)
9688 (let ((groups (nnmail-article-group 'identity trace)))
9691 (message "This message would go to %s"
9692 (mapconcat 'car groups ", "))
9693 (message "This message would go to no groups"))
9696 (defun gnus-summary-respool-trace ()
9697 "Trace where the respool algorithm would put this article.
9698 Display a buffer showing all fancy splitting patterns which matched."
9700 (gnus-summary-respool-query nil t))
9702 ;; Summary marking commands.
9704 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9705 "Mark articles which has the same subject as read, and then select the next.
9706 If UNMARK is positive, remove any kind of mark.
9707 If UNMARK is negative, tick articles."
9710 (setq unmark (prefix-numeric-value unmark)))
9712 (gnus-summary-mark-same-subject
9713 (gnus-summary-article-subject) unmark)))
9714 ;; Select next unread article. If auto-select-same mode, should
9715 ;; select the first unread article.
9716 (gnus-summary-next-article t (and gnus-auto-select-same
9717 (gnus-summary-article-subject)))
9718 (gnus-message 7 "%d article%s marked as %s"
9719 count (if (= count 1) " is" "s are")
9720 (if unmark "unread" "read"))))
9722 (defun gnus-summary-kill-same-subject (&optional unmark)
9723 "Mark articles which has the same subject as read.
9724 If UNMARK is positive, remove any kind of mark.
9725 If UNMARK is negative, tick articles."
9728 (setq unmark (prefix-numeric-value unmark)))
9730 (gnus-summary-mark-same-subject
9731 (gnus-summary-article-subject) unmark)))
9732 ;; If marked as read, go to next unread subject.
9734 ;; Go to next unread subject.
9735 (gnus-summary-next-subject 1 t))
9736 (gnus-message 7 "%d articles are marked as %s"
9737 count (if unmark "unread" "read"))))
9739 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9740 "Mark articles with same SUBJECT as read, and return marked number.
9741 If optional argument UNMARK is positive, remove any kinds of marks.
9742 If optional argument UNMARK is negative, mark articles as unread instead."
9746 ((null unmark) ; Mark as read.
9749 (gnus-summary-mark-article-as-read gnus-killed-mark)
9750 (gnus-summary-show-thread) t)
9751 (gnus-summary-find-subject subject))
9752 (setq count (1+ count))))
9753 ((> unmark 0) ; Tick.
9756 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9757 (gnus-summary-show-thread) t)
9758 (gnus-summary-find-subject subject))
9759 (setq count (1+ count))))
9760 (t ; Mark as unread.
9763 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9764 (gnus-summary-show-thread) t)
9765 (gnus-summary-find-subject subject))
9766 (setq count (1+ count)))))
9767 (gnus-set-mode-line 'summary)
9768 ;; Return the number of marked articles.
9771 (defun gnus-summary-mark-as-processable (n &optional unmark)
9772 "Set the process mark on the next N articles.
9773 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9774 the process mark instead. The difference between N and the actual
9775 number of articles marked is returned."
9777 (if (and (null n) (gnus-region-active-p))
9778 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9779 (setq n (prefix-numeric-value n))
9780 (let ((backward (< n 0))
9785 (gnus-summary-remove-process-mark
9786 (gnus-summary-article-number))
9787 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9788 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9791 (gnus-message 7 "No more articles"))
9792 (gnus-summary-recenter)
9793 (gnus-summary-position-point)
9796 (defun gnus-summary-unmark-as-processable (n)
9797 "Remove the process mark from the next N articles.
9798 If N is negative, unmark backward instead. The difference between N and
9799 the actual number of articles unmarked is returned."
9801 (gnus-summary-mark-as-processable n t))
9803 (defun gnus-summary-unmark-all-processable ()
9804 "Remove the process mark from all articles."
9807 (while gnus-newsgroup-processable
9808 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9809 (gnus-summary-position-point))
9811 (defun gnus-summary-add-mark (article type)
9812 "Mark ARTICLE with a mark of TYPE."
9813 (let ((vtype (car (assq type gnus-article-mark-lists)))
9816 (error "No such mark type: %s" type)
9817 (setq var (intern (format "gnus-newsgroup-%s" type)))
9818 (set var (cons article (symbol-value var)))
9819 (if (memq type '(processable cached replied forwarded recent saved))
9820 (gnus-summary-update-secondary-mark article)
9821 ;;; !!! This is bogus. We should find out what primary
9822 ;;; !!! mark we want to set.
9823 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9825 (defun gnus-summary-mark-as-expirable (n)
9826 "Mark N articles forward as expirable.
9827 If N is negative, mark backward instead. The difference between N and
9828 the actual number of articles marked is returned."
9830 (gnus-summary-mark-forward n gnus-expirable-mark))
9832 (defun gnus-summary-mark-as-spam (n)
9833 "Mark N articles forward as spam.
9834 If N is negative, mark backward instead. The difference between N and
9835 the actual number of articles marked is returned."
9837 (gnus-summary-mark-forward n gnus-spam-mark))
9839 (defun gnus-summary-mark-article-as-replied (article)
9840 "Mark ARTICLE as replied to and update the summary line.
9841 ARTICLE can also be a list of articles."
9842 (interactive (list (gnus-summary-article-number)))
9843 (let ((articles (if (listp article) article (list article))))
9844 (dolist (article articles)
9845 (unless (numberp article)
9846 (error "%s is not a number" article))
9847 (push article gnus-newsgroup-replied)
9848 (let ((buffer-read-only nil))
9849 (when (gnus-summary-goto-subject article nil t)
9850 (gnus-summary-update-secondary-mark article))))))
9852 (defun gnus-summary-mark-article-as-forwarded (article)
9853 "Mark ARTICLE as forwarded and update the summary line.
9854 ARTICLE can also be a list of articles."
9855 (let ((articles (if (listp article) article (list article))))
9856 (dolist (article articles)
9857 (push article gnus-newsgroup-forwarded)
9858 (let ((buffer-read-only nil))
9859 (when (gnus-summary-goto-subject article nil t)
9860 (gnus-summary-update-secondary-mark article))))))
9862 (defun gnus-summary-set-bookmark (article)
9863 "Set a bookmark in current article."
9864 (interactive (list (gnus-summary-article-number)))
9865 (when (or (not (get-buffer gnus-article-buffer))
9866 (not gnus-current-article)
9867 (not gnus-article-current)
9868 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9869 (error "No current article selected"))
9870 ;; Remove old bookmark, if one exists.
9871 (gnus-pull article gnus-newsgroup-bookmarks)
9872 ;; Set the new bookmark, which is on the form
9873 ;; (article-number . line-number-in-body).
9876 (with-current-buffer gnus-article-buffer
9883 gnus-newsgroup-bookmarks)
9884 (gnus-message 6 "A bookmark has been added to the current article."))
9886 (defun gnus-summary-remove-bookmark (article)
9887 "Remove the bookmark from the current article."
9888 (interactive (list (gnus-summary-article-number)))
9889 ;; Remove old bookmark, if one exists.
9890 (if (not (assq article gnus-newsgroup-bookmarks))
9891 (gnus-message 6 "No bookmark in current article.")
9892 (gnus-pull article gnus-newsgroup-bookmarks)
9893 (gnus-message 6 "Removed bookmark.")))
9895 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9896 (defun gnus-summary-mark-as-dormant (n)
9897 "Mark N articles forward as dormant.
9898 If N is negative, mark backward instead. The difference between N and
9899 the actual number of articles marked is returned."
9901 (gnus-summary-mark-forward n gnus-dormant-mark))
9903 (defun gnus-summary-set-process-mark (article)
9904 "Set the process mark on ARTICLE and update the summary line."
9905 (setq gnus-newsgroup-processable
9907 (delq article gnus-newsgroup-processable)))
9908 (when (gnus-summary-goto-subject article)
9909 (gnus-summary-show-thread)
9910 (gnus-summary-goto-subject article)
9911 (gnus-summary-update-secondary-mark article)))
9913 (defun gnus-summary-remove-process-mark (article)
9914 "Remove the process mark from ARTICLE and update the summary line."
9915 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9916 (when (gnus-summary-goto-subject article)
9917 (gnus-summary-show-thread)
9918 (gnus-summary-goto-subject article)
9919 (gnus-summary-update-secondary-mark article)))
9921 (defun gnus-summary-set-saved-mark (article)
9922 "Set the process mark on ARTICLE and update the summary line."
9923 (push article gnus-newsgroup-saved)
9924 (when (gnus-summary-goto-subject article)
9925 (gnus-summary-update-secondary-mark article)))
9927 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9928 "Mark N articles as read forwards.
9929 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9930 The difference between N and the actual number of articles marked is
9932 If NO-EXPIRE, auto-expiry will be inhibited."
9934 (gnus-summary-show-thread)
9935 (let ((backward (< n 0))
9936 (gnus-summary-goto-unread
9937 (and gnus-summary-goto-unread
9938 (not (eq gnus-summary-goto-unread 'never))
9939 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9940 gnus-ticked-mark gnus-dormant-mark)))))
9942 (mark (or mark gnus-del-mark)))
9944 (gnus-summary-mark-article nil mark no-expire)
9945 (zerop (gnus-summary-next-subject
9947 (and gnus-summary-goto-unread
9948 (not (eq gnus-summary-goto-unread 'never)))
9952 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9953 (gnus-summary-recenter)
9954 (gnus-summary-position-point)
9955 (gnus-set-mode-line 'summary)
9958 (defun gnus-summary-mark-article-as-read (mark)
9959 "Mark the current article quickly as read with MARK."
9960 (let ((article (gnus-summary-article-number)))
9961 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9962 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9963 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9964 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9965 (push (cons article mark) gnus-newsgroup-reads)
9966 ;; Possibly remove from cache, if that is used.
9967 (when gnus-use-cache
9968 (gnus-cache-enter-remove-article article))
9969 ;; Allow the backend to change the mark.
9970 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9971 ;; Check for auto-expiry.
9972 (when (and gnus-newsgroup-auto-expire
9973 (memq mark gnus-auto-expirable-marks))
9974 (setq mark gnus-expirable-mark)
9975 ;; Let the backend know about the mark change.
9976 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9977 (push article gnus-newsgroup-expirable))
9978 ;; Set the mark in the buffer.
9979 (gnus-summary-update-mark mark 'unread)
9982 (defun gnus-summary-mark-article-as-unread (mark)
9983 "Mark the current article quickly as unread with MARK."
9984 (let* ((article (gnus-summary-article-number))
9985 (old-mark (gnus-summary-article-mark article)))
9986 ;; Allow the backend to change the mark.
9987 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9988 (if (eq mark old-mark)
9992 (gnus-error 1 "Can't mark negative article numbers")
9994 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9995 (setq gnus-newsgroup-spam-marked
9996 (delq article gnus-newsgroup-spam-marked))
9997 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9998 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9999 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10000 (cond ((= mark gnus-ticked-mark)
10001 (setq gnus-newsgroup-marked
10002 (gnus-add-to-sorted-list gnus-newsgroup-marked
10004 ((= mark gnus-spam-mark)
10005 (setq gnus-newsgroup-spam-marked
10006 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10008 ((= mark gnus-dormant-mark)
10009 (setq gnus-newsgroup-dormant
10010 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10013 (setq gnus-newsgroup-unreads
10014 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10016 (gnus-pull article gnus-newsgroup-reads)
10018 ;; See whether the article is to be put in the cache.
10019 (and gnus-use-cache
10020 (vectorp (gnus-summary-article-header article))
10022 (gnus-cache-possibly-enter-article
10023 gnus-newsgroup-name article
10024 (gnus-summary-article-header article)
10025 (= mark gnus-ticked-mark)
10026 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10029 (gnus-summary-update-mark mark 'unread)
10032 (defun gnus-summary-mark-article (&optional article mark no-expire)
10033 "Mark ARTICLE with MARK. MARK can be any character.
10034 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10035 `??' (dormant) and `?E' (expirable).
10036 If MARK is nil, then the default character `?r' is used.
10037 If ARTICLE is nil, then the article on the current line will be
10039 If NO-EXPIRE, auto-expiry will be inhibited."
10040 ;; The mark might be a string.
10041 (when (stringp mark)
10042 (setq mark (aref mark 0)))
10043 ;; If no mark is given, then we check auto-expiring.
10045 (setq mark gnus-del-mark))
10046 (when (and (not no-expire)
10047 gnus-newsgroup-auto-expire
10048 (memq mark gnus-auto-expirable-marks))
10049 (setq mark gnus-expirable-mark))
10050 (let ((article (or article (gnus-summary-article-number)))
10051 (old-mark (gnus-summary-article-mark article)))
10052 ;; Allow the backend to change the mark.
10053 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10054 (if (eq mark old-mark)
10057 (error "No article on current line"))
10058 (if (not (if (or (= mark gnus-unread-mark)
10059 (= mark gnus-ticked-mark)
10060 (= mark gnus-spam-mark)
10061 (= mark gnus-dormant-mark))
10062 (gnus-mark-article-as-unread article mark)
10063 (gnus-mark-article-as-read article mark)))
10065 ;; See whether the article is to be put in the cache.
10066 (and gnus-use-cache
10067 (not (= mark gnus-canceled-mark))
10068 (vectorp (gnus-summary-article-header article))
10070 (gnus-cache-possibly-enter-article
10071 gnus-newsgroup-name article
10072 (gnus-summary-article-header article)
10073 (= mark gnus-ticked-mark)
10074 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10076 (when (gnus-summary-goto-subject article nil t)
10077 (let ((buffer-read-only nil))
10078 (gnus-summary-show-thread)
10080 (gnus-summary-update-mark mark 'unread)
10083 (defun gnus-summary-update-secondary-mark (article)
10084 "Update the secondary (read, process, cache) mark."
10085 (gnus-summary-update-mark
10086 (cond ((memq article gnus-newsgroup-processable)
10088 ((memq article gnus-newsgroup-cached)
10090 ((memq article gnus-newsgroup-replied)
10092 ((memq article gnus-newsgroup-forwarded)
10093 gnus-forwarded-mark)
10094 ((memq article gnus-newsgroup-saved)
10096 ((memq article gnus-newsgroup-recent)
10098 ((memq article gnus-newsgroup-unseen)
10102 (when (gnus-visual-p 'summary-highlight 'highlight)
10103 (gnus-run-hooks 'gnus-summary-update-hook))
10106 (defun gnus-summary-update-download-mark (article)
10107 "Update the download mark."
10108 (gnus-summary-update-mark
10109 (cond ((memq article gnus-newsgroup-undownloaded)
10110 gnus-undownloaded-mark)
10111 (gnus-newsgroup-agentized
10112 gnus-downloaded-mark)
10116 (gnus-summary-update-line t)
10119 (defun gnus-summary-update-mark (mark type)
10120 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10121 (buffer-read-only nil))
10122 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10124 (when (looking-at "\r")
10126 (when (<= (+ forward (point)) (point-max))
10127 ;; Go to the right position on the line.
10128 (goto-char (+ forward (point)))
10129 ;; Replace the old mark with the new mark.
10130 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10131 ;; Optionally update the marks by some user rule.
10132 (when (eq type 'unread)
10133 (gnus-data-set-mark
10134 (gnus-data-find (gnus-summary-article-number)) mark)
10135 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10137 (defun gnus-mark-article-as-read (article &optional mark)
10138 "Enter ARTICLE in the pertinent lists and remove it from others."
10139 ;; Make the article expirable.
10140 (let ((mark (or mark gnus-del-mark)))
10141 (setq gnus-newsgroup-expirable
10142 (if (= mark gnus-expirable-mark)
10143 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10144 (delq article gnus-newsgroup-expirable)))
10145 ;; Remove from unread and marked lists.
10146 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10147 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10148 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10149 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10150 (push (cons article mark) gnus-newsgroup-reads)
10151 ;; Possibly remove from cache, if that is used.
10152 (when gnus-use-cache
10153 (gnus-cache-enter-remove-article article))
10156 (defun gnus-mark-article-as-unread (article &optional mark)
10157 "Enter ARTICLE in the pertinent lists and remove it from others."
10158 (let ((mark (or mark gnus-ticked-mark)))
10161 (gnus-error 1 "Can't mark negative article numbers")
10163 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10164 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10165 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10166 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10167 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10169 ;; Unsuppress duplicates?
10170 (when gnus-suppress-duplicates
10171 (gnus-dup-unsuppress-article article))
10173 (cond ((= mark gnus-ticked-mark)
10174 (setq gnus-newsgroup-marked
10175 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
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 article)))
10184 (setq gnus-newsgroup-unreads
10185 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10186 (gnus-pull article gnus-newsgroup-reads)
10189 (defalias 'gnus-summary-mark-as-unread-forward
10190 'gnus-summary-tick-article-forward)
10191 (make-obsolete 'gnus-summary-mark-as-unread-forward
10192 'gnus-summary-tick-article-forward)
10193 (defun gnus-summary-tick-article-forward (n)
10194 "Tick N articles forwards.
10195 If N is negative, tick backwards instead.
10196 The difference between N and the number of articles ticked is returned."
10198 (gnus-summary-mark-forward n gnus-ticked-mark))
10200 (defalias 'gnus-summary-mark-as-unread-backward
10201 'gnus-summary-tick-article-backward)
10202 (make-obsolete 'gnus-summary-mark-as-unread-backward
10203 'gnus-summary-tick-article-backward)
10204 (defun gnus-summary-tick-article-backward (n)
10205 "Tick N articles backwards.
10206 The difference between N and the number of articles ticked is returned."
10208 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10210 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10211 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10212 (defun gnus-summary-tick-article (&optional article clear-mark)
10213 "Mark current article as unread.
10214 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10215 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10217 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10218 gnus-ticked-mark)))
10220 (defun gnus-summary-mark-as-read-forward (n)
10221 "Mark N articles as read forwards.
10222 If N is negative, mark backwards instead.
10223 The difference between N and the actual number of articles marked is
10226 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10228 (defun gnus-summary-mark-as-read-backward (n)
10229 "Mark the N articles as read backwards.
10230 The difference between N and the actual number of articles marked is
10233 (gnus-summary-mark-forward
10234 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10236 (defun gnus-summary-mark-as-read (&optional article mark)
10237 "Mark current article as read.
10238 ARTICLE specifies the article to be marked as read.
10239 MARK specifies a string to be inserted at the beginning of the line."
10240 (gnus-summary-mark-article article mark))
10242 (defun gnus-summary-clear-mark-forward (n)
10243 "Clear marks from N articles forward.
10244 If N is negative, clear backward instead.
10245 The difference between N and the number of marks cleared is returned."
10247 (gnus-summary-mark-forward n gnus-unread-mark))
10249 (defun gnus-summary-clear-mark-backward (n)
10250 "Clear marks from N articles backward.
10251 The difference between N and the number of marks cleared is returned."
10253 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10255 (defun gnus-summary-mark-unread-as-read ()
10256 "Intended to be used by `gnus-summary-mark-article-hook'."
10257 (when (memq gnus-current-article gnus-newsgroup-unreads)
10258 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10260 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10261 "Intended to be used by `gnus-summary-mark-article-hook'."
10262 (let ((mark (gnus-summary-article-mark)))
10263 (when (or (gnus-unread-mark-p mark)
10264 (gnus-read-mark-p mark))
10265 (gnus-summary-mark-article gnus-current-article
10266 (or new-mark gnus-read-mark)))))
10268 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10269 "Intended to be used by `gnus-summary-mark-article-hook'."
10270 (let ((mark (gnus-summary-article-mark)))
10271 (when (or (gnus-unread-mark-p mark)
10272 (gnus-read-mark-p mark))
10273 (gnus-summary-mark-article (gnus-summary-article-number)
10274 (or new-mark gnus-read-mark)))))
10276 (defun gnus-summary-mark-unread-as-ticked ()
10277 "Intended to be used by `gnus-summary-mark-article-hook'."
10278 (when (memq gnus-current-article gnus-newsgroup-unreads)
10279 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10281 (defun gnus-summary-mark-region-as-read (point mark all)
10282 "Mark all unread articles between point and mark as read.
10283 If given a prefix, mark all articles between point and mark as read,
10284 even ticked and dormant ones."
10285 (interactive "r\nP")
10289 (beginning-of-line)
10294 (memq (setq article (gnus-summary-article-number))
10295 gnus-newsgroup-unreads))
10296 (gnus-summary-mark-article article gnus-del-mark))
10298 (gnus-summary-find-next))))))
10300 (defun gnus-summary-mark-below (score mark)
10301 "Mark articles with score less than SCORE with MARK."
10302 (interactive "P\ncMark: ")
10303 (setq score (if score
10304 (prefix-numeric-value score)
10305 (or gnus-summary-default-score 0)))
10307 (set-buffer gnus-summary-buffer)
10308 (goto-char (point-min))
10311 (and (< (gnus-summary-article-score) score)
10312 (gnus-summary-mark-article nil mark))
10313 (gnus-summary-find-next)))))
10315 (defun gnus-summary-kill-below (&optional score)
10316 "Mark articles with score below SCORE as read."
10318 (gnus-summary-mark-below score gnus-killed-mark))
10320 (defun gnus-summary-clear-above (&optional score)
10321 "Clear all marks from articles with score above SCORE."
10323 (gnus-summary-mark-above score gnus-unread-mark))
10325 (defun gnus-summary-tick-above (&optional score)
10326 "Tick all articles with score above SCORE."
10328 (gnus-summary-mark-above score gnus-ticked-mark))
10330 (defun gnus-summary-mark-above (score mark)
10331 "Mark articles with score over SCORE with MARK."
10332 (interactive "P\ncMark: ")
10333 (setq score (if score
10334 (prefix-numeric-value score)
10335 (or gnus-summary-default-score 0)))
10337 (set-buffer gnus-summary-buffer)
10338 (goto-char (point-min))
10340 (when (> (gnus-summary-article-score) score)
10341 (gnus-summary-mark-article nil mark))
10343 (gnus-summary-find-next)))))
10345 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10346 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10347 (defun gnus-summary-limit-include-expunged (&optional no-error)
10348 "Display all the hidden articles that were expunged for low scores."
10350 (let ((buffer-read-only nil))
10351 (let ((scored gnus-newsgroup-scored)
10354 (unless (gnus-summary-article-header (caar scored))
10355 (and (setq h (gnus-number-to-header (caar scored)))
10356 (< (cdar scored) gnus-summary-expunge-below)
10358 (setq scored (cdr scored)))
10360 (when (not no-error)
10361 (error "No expunged articles hidden"))
10362 (goto-char (point-min))
10363 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10364 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10365 (mapcar (lambda (x) (push (mail-header-number x)
10366 gnus-newsgroup-limit))
10368 (gnus-summary-prepare-unthreaded (nreverse headers))
10369 (goto-char (point-min))
10370 (gnus-summary-position-point)
10373 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10374 "Mark all unread articles in this newsgroup as read.
10375 If prefix argument ALL is non-nil, ticked and dormant articles will
10376 also be marked as read.
10377 If QUIETLY is non-nil, no questions will be asked.
10379 If TO-HERE is non-nil, it should be a point in the buffer. All
10380 articles before (after, if REVERSE is set) this point will be marked
10383 Note that this function will only catch up the unread article
10384 in the current summary buffer limitation.
10386 The number of articles marked as read is returned."
10391 (not gnus-interactive-catchup) ;Without confirmation?
10395 "Mark absolutely all articles as read? "
10396 "Mark all unread articles as read? ")))
10398 (not gnus-newsgroup-adaptive)
10399 (not gnus-newsgroup-auto-expire)
10400 (not gnus-suppress-duplicates)
10401 (or (not gnus-use-cache)
10402 (eq gnus-use-cache 'passive)))
10405 (setq gnus-newsgroup-marked nil
10406 gnus-newsgroup-spam-marked nil
10407 gnus-newsgroup-dormant nil))
10408 (setq gnus-newsgroup-unreads
10409 (gnus-sorted-nunion
10410 (gnus-intersection gnus-newsgroup-unreads
10411 gnus-newsgroup-downloadable)
10412 gnus-newsgroup-unfetched)))
10413 ;; We actually mark all articles as canceled, which we
10414 ;; have to do when using auto-expiry or adaptive scoring.
10415 (gnus-summary-show-all-threads)
10416 (if (and to-here reverse)
10418 (goto-char to-here)
10419 (gnus-summary-mark-current-read-and-unread-as-read
10421 (while (gnus-summary-find-next (not all))
10422 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10423 (when (gnus-summary-first-subject (not all))
10425 (if to-here (< (point) to-here) t)
10426 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10427 (gnus-summary-find-next (not all))))))
10428 (gnus-set-mode-line 'summary))
10430 (gnus-summary-position-point)))
10432 (defun gnus-summary-catchup-to-here (&optional all)
10433 "Mark all unticked articles before the current one as read.
10434 If ALL is non-nil, also mark ticked and dormant articles as read."
10437 (gnus-save-hidden-threads
10438 (let ((beg (point)))
10439 ;; We check that there are unread articles.
10440 (when (or all (gnus-summary-find-prev))
10441 (gnus-summary-catchup all t beg)))))
10442 (gnus-summary-position-point))
10444 (defun gnus-summary-catchup-from-here (&optional all)
10445 "Mark all unticked articles after (and including) the current one as read.
10446 If ALL is non-nil, also mark ticked and dormant articles as read."
10449 (gnus-save-hidden-threads
10450 (let ((beg (point)))
10451 ;; We check that there are unread articles.
10452 (when (or all (gnus-summary-find-next))
10453 (gnus-summary-catchup all t beg nil t)))))
10454 (gnus-summary-position-point))
10456 (defun gnus-summary-catchup-all (&optional quietly)
10457 "Mark all articles in this newsgroup as read.
10458 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10459 instead, which marks only unread articles as read."
10461 (gnus-summary-catchup t quietly))
10463 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10464 "Mark all unread articles in this group as read, then exit.
10465 If prefix argument ALL is non-nil, all articles are marked as read.
10466 If QUIETLY is non-nil, no questions will be asked."
10468 (when (gnus-summary-catchup all quietly nil 'fast)
10469 ;; Select next newsgroup or exit.
10470 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10471 (eq gnus-auto-select-next 'quietly))
10472 (gnus-summary-next-group nil)
10473 (gnus-summary-exit))))
10475 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10476 "Mark all articles in this newsgroup as read, and then exit.
10477 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10478 instead, which marks only unread articles as read."
10480 (gnus-summary-catchup-and-exit t quietly))
10482 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10483 "Mark all articles in this group as read and select the next group.
10484 If given a prefix, mark all articles, unread as well as ticked, as
10488 (gnus-summary-catchup all))
10489 (gnus-summary-next-group))
10495 (defmacro gnus-with-article (article &rest forms)
10496 "Select ARTICLE and perform FORMS in the original article buffer.
10497 Then replace the article with the result."
10499 ;; We don't want the article to be marked as read.
10500 (let (gnus-mark-article-hook)
10501 (gnus-summary-select-article t t nil ,article))
10502 (set-buffer gnus-original-article-buffer)
10504 (if (not (gnus-check-backend-function
10505 'request-replace-article (car gnus-article-current)))
10506 (gnus-message 5 "Read-only group; not replacing")
10507 (unless (gnus-request-replace-article
10508 ,article (car gnus-article-current)
10509 (current-buffer) t)
10510 (error "Couldn't replace article")))
10511 ;; The cache and backlog have to be flushed somewhat.
10512 (when gnus-keep-backlog
10513 (gnus-backlog-remove-article
10514 (car gnus-article-current) (cdr gnus-article-current)))
10515 (when gnus-use-cache
10516 (gnus-cache-update-article
10517 (car gnus-article-current) (cdr gnus-article-current)))))
10519 (put 'gnus-with-article 'lisp-indent-function 1)
10520 (put 'gnus-with-article 'edebug-form-spec '(form body))
10522 ;; Thread-based commands.
10524 (defun gnus-summary-articles-in-thread (&optional article)
10525 "Return a list of all articles in the current thread.
10526 If ARTICLE is non-nil, return all articles in the thread that starts
10527 with that article."
10528 (let* ((article (or article (gnus-summary-article-number)))
10529 (data (gnus-data-find-list article))
10530 (top-level (gnus-data-level (car data)))
10532 (cond ((null gnus-thread-operation-ignore-subject)
10533 (gnus-simplify-subject-re
10534 (mail-header-subject (gnus-data-header (car data)))))
10535 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10536 (gnus-simplify-subject-fuzzy
10537 (mail-header-subject (gnus-data-header (car data)))))
10539 (end-point (save-excursion
10540 (if (gnus-summary-go-to-next-thread)
10541 (point) (point-max))))
10544 (< (gnus-data-pos (car data)) end-point))
10545 (when (or (not top-subject)
10546 (string= top-subject
10547 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10548 (gnus-simplify-subject-fuzzy
10549 (mail-header-subject
10550 (gnus-data-header (car data))))
10551 (gnus-simplify-subject-re
10552 (mail-header-subject
10553 (gnus-data-header (car data)))))))
10554 (push (gnus-data-number (car data)) articles))
10555 (unless (and (setq data (cdr data))
10556 (> (gnus-data-level (car data)) top-level))
10558 ;; Return the list of articles.
10559 (nreverse articles)))
10561 (defun gnus-summary-rethread-current ()
10562 "Rethread the thread the current article is part of."
10564 (let* ((gnus-show-threads t)
10565 (article (gnus-summary-article-number))
10566 (id (mail-header-id (gnus-summary-article-header)))
10567 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10569 (error "No article on the current line"))
10570 (gnus-rebuild-thread id)
10571 (gnus-summary-goto-subject article)))
10573 (defun gnus-summary-reparent-thread ()
10574 "Make the current article child of the marked (or previous) article.
10576 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10577 is non-nil or the Subject: of both articles are the same."
10579 (unless (not (gnus-group-read-only-p))
10580 (error "The current newsgroup does not support article editing"))
10581 (unless (<= (length gnus-newsgroup-processable) 1)
10582 (error "No more than one article may be marked"))
10583 (save-window-excursion
10584 (let ((gnus-article-buffer " *reparent*")
10585 (current-article (gnus-summary-article-number))
10586 ;; First grab the marked article, otherwise one line up.
10587 (parent-article (if (not (null gnus-newsgroup-processable))
10588 (car gnus-newsgroup-processable)
10590 (if (eq (forward-line -1) 0)
10591 (gnus-summary-article-number)
10592 (error "Beginning of summary buffer"))))))
10593 (unless (not (eq current-article parent-article))
10594 (error "An article may not be self-referential"))
10595 (let ((message-id (mail-header-id
10596 (gnus-summary-article-header parent-article))))
10597 (unless (and message-id (not (equal message-id "")))
10598 (error "No message-id in desired parent"))
10599 (gnus-with-article current-article
10601 (goto-char (point-min))
10602 (message-narrow-to-head)
10603 (if (re-search-forward "^References: " nil t)
10605 (re-search-forward "^[^ \t]" nil t)
10608 (insert " " message-id))
10609 (insert "References: " message-id "\n"))))
10610 (set-buffer gnus-summary-buffer)
10611 (gnus-summary-unmark-all-processable)
10612 (gnus-summary-update-article current-article)
10613 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10614 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10615 (gnus-summary-rethread-current)
10616 (gnus-message 3 "Article %d is now the child of article %d"
10617 current-article parent-article)))))
10619 (defun gnus-summary-toggle-threads (&optional arg)
10620 "Toggle showing conversation threads.
10621 If ARG is positive number, turn showing conversation threads on."
10623 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10624 (setq gnus-show-threads
10625 (if (null arg) (not gnus-show-threads)
10626 (> (prefix-numeric-value arg) 0)))
10627 (gnus-summary-prepare)
10628 (gnus-summary-goto-subject current)
10629 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10630 (gnus-summary-position-point)))
10632 (defun gnus-summary-show-all-threads ()
10633 "Show all threads."
10636 (let ((buffer-read-only nil))
10637 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10638 (gnus-summary-position-point))
10640 (defun gnus-summary-show-thread ()
10641 "Show thread subtrees.
10642 Returns nil if no thread was there to be shown."
10644 (let ((buffer-read-only nil)
10646 (end (point-at-eol))
10647 ;; Leave point at bol
10648 (beg (progn (beginning-of-line) (point))))
10650 ;; Any hidden lines here?
10651 (search-forward "\r" end t)
10652 (subst-char-in-region beg end ?\^M ?\n t)
10654 (gnus-summary-position-point))))
10656 (defun gnus-summary-maybe-hide-threads ()
10657 "If requested, hide the threads that should be hidden."
10658 (when (and gnus-show-threads
10659 gnus-thread-hide-subtree)
10660 (gnus-summary-hide-all-threads
10661 (if (or (consp gnus-thread-hide-subtree)
10662 (functionp gnus-thread-hide-subtree))
10663 (gnus-make-predicate gnus-thread-hide-subtree)
10666 ;;; Hiding predicates.
10668 (defun gnus-article-unread-p (header)
10669 (memq (mail-header-number header) gnus-newsgroup-unreads))
10671 (defun gnus-article-unseen-p (header)
10672 (memq (mail-header-number header) gnus-newsgroup-unseen))
10674 (defun gnus-map-articles (predicate articles)
10675 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10676 (apply 'gnus-or (mapcar predicate
10677 (mapcar 'gnus-summary-article-header articles))))
10679 (defun gnus-summary-hide-all-threads (&optional predicate)
10680 "Hide all thread subtrees.
10681 If PREDICATE is supplied, threads that satisfy this predicate
10682 will not be hidden."
10685 (goto-char (point-min))
10688 (when (or (not predicate)
10690 predicate (gnus-summary-article-children)))
10691 (gnus-summary-hide-thread))
10692 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10693 (gnus-summary-position-point))
10695 (defun gnus-summary-hide-thread ()
10696 "Hide thread subtrees.
10697 If PREDICATE is supplied, threads that satisfy this predicate
10698 will not be hidden.
10699 Returns nil if no threads were there to be hidden."
10701 (let ((buffer-read-only nil)
10703 (article (gnus-summary-article-number)))
10705 ;; Go forward until either the buffer ends or the subthread
10707 (when (and (not (eobp))
10708 (or (zerop (gnus-summary-next-thread 1 t))
10709 (goto-char (point-max))))
10711 (if (and (> (point) start)
10712 (search-backward "\n" start t))
10714 (subst-char-in-region start (point) ?\n ?\^M)
10715 (gnus-summary-goto-subject article))
10719 (defun gnus-summary-go-to-next-thread (&optional previous)
10720 "Go to the same level (or less) next thread.
10721 If PREVIOUS is non-nil, go to previous thread instead.
10722 Return the article number moved to, or nil if moving was impossible."
10723 (let ((level (gnus-summary-thread-level))
10724 (way (if previous -1 1))
10727 (while (and (not (eobp))
10728 (< level (gnus-summary-thread-level)))
10729 (forward-line way))
10736 (gnus-summary-article-number)
10737 (goto-char beg)))))
10739 (defun gnus-summary-next-thread (n &optional silent)
10740 "Go to the same level next N'th thread.
10741 If N is negative, search backward instead.
10742 Returns the difference between N and the number of skips actually
10745 If SILENT, don't output messages."
10747 (let ((backward (< n 0))
10749 (while (and (> n 0)
10750 (gnus-summary-go-to-next-thread backward))
10753 (gnus-summary-position-point))
10754 (when (and (not silent) (/= 0 n))
10755 (gnus-message 7 "No more threads"))
10758 (defun gnus-summary-prev-thread (n)
10759 "Go to the same level previous N'th thread.
10760 Returns the difference between N and the number of skips actually
10763 (gnus-summary-next-thread (- n)))
10765 (defun gnus-summary-go-down-thread ()
10766 "Go down one level in the current thread."
10767 (let ((children (gnus-summary-article-children)))
10769 (gnus-summary-goto-subject (car children)))))
10771 (defun gnus-summary-go-up-thread ()
10772 "Go up one level in the current thread."
10773 (let ((parent (gnus-summary-article-parent)))
10775 (gnus-summary-goto-subject parent))))
10777 (defun gnus-summary-down-thread (n)
10778 "Go down thread N steps.
10779 If N is negative, go up instead.
10780 Returns the difference between N and how many steps down that were
10785 (while (and (> n 0)
10786 (if up (gnus-summary-go-up-thread)
10787 (gnus-summary-go-down-thread)))
10789 (gnus-summary-position-point)
10791 (gnus-message 7 "Can't go further"))
10794 (defun gnus-summary-up-thread (n)
10795 "Go up thread N steps.
10796 If N is negative, go down instead.
10797 Returns the difference between N and how many steps down that were
10800 (gnus-summary-down-thread (- n)))
10802 (defun gnus-summary-top-thread ()
10803 "Go to the top of the thread."
10805 (while (gnus-summary-go-up-thread))
10806 (gnus-summary-article-number))
10808 (defun gnus-summary-kill-thread (&optional unmark)
10809 "Mark articles under current thread as read.
10810 If the prefix argument is positive, remove any kinds of marks.
10811 If the prefix argument is negative, tick articles instead."
10814 (setq unmark (prefix-numeric-value unmark)))
10815 (let ((articles (gnus-summary-articles-in-thread)))
10817 ;; Expand the thread.
10818 (gnus-summary-show-thread)
10819 ;; Mark all the articles.
10821 (gnus-summary-goto-subject (car articles))
10822 (cond ((null unmark)
10823 (gnus-summary-mark-article-as-read gnus-killed-mark))
10825 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10827 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10828 (setq articles (cdr articles))))
10829 ;; Hide killed subtrees.
10831 gnus-thread-hide-killed
10832 (gnus-summary-hide-thread))
10833 ;; If marked as read, go to next unread subject.
10834 (when (null unmark)
10835 ;; Go to next unread subject.
10836 (gnus-summary-next-subject 1 t)))
10837 (gnus-set-mode-line 'summary))
10839 ;; Summary sorting commands
10841 (defun gnus-summary-sort-by-number (&optional reverse)
10842 "Sort the summary buffer by article number.
10843 Argument REVERSE means reverse order."
10845 (gnus-summary-sort 'number reverse))
10847 (defun gnus-summary-sort-by-random (&optional reverse)
10848 "Randomize the order in the summary buffer.
10849 Argument REVERSE means to randomize in reverse order."
10851 (gnus-summary-sort 'random reverse))
10853 (defun gnus-summary-sort-by-author (&optional reverse)
10854 "Sort the summary buffer by author name alphabetically.
10855 If `case-fold-search' is non-nil, case of letters is ignored.
10856 Argument REVERSE means reverse order."
10858 (gnus-summary-sort 'author reverse))
10860 (defun gnus-summary-sort-by-subject (&optional reverse)
10861 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10862 If `case-fold-search' is non-nil, case of letters is ignored.
10863 Argument REVERSE means reverse order."
10865 (gnus-summary-sort 'subject reverse))
10867 (defun gnus-summary-sort-by-date (&optional reverse)
10868 "Sort the summary buffer by date.
10869 Argument REVERSE means reverse order."
10871 (gnus-summary-sort 'date reverse))
10873 (defun gnus-summary-sort-by-score (&optional reverse)
10874 "Sort the summary buffer by score.
10875 Argument REVERSE means reverse order."
10877 (gnus-summary-sort 'score reverse))
10879 (defun gnus-summary-sort-by-lines (&optional reverse)
10880 "Sort the summary buffer by the number of lines.
10881 Argument REVERSE means reverse order."
10883 (gnus-summary-sort 'lines reverse))
10885 (defun gnus-summary-sort-by-chars (&optional reverse)
10886 "Sort the summary buffer by article length.
10887 Argument REVERSE means reverse order."
10889 (gnus-summary-sort 'chars reverse))
10891 (defun gnus-summary-sort-by-original (&optional reverse)
10892 "Sort the summary buffer using the default sorting method.
10893 Argument REVERSE means reverse order."
10895 (let* ((buffer-read-only)
10896 (gnus-summary-prepare-hook nil))
10897 ;; We do the sorting by regenerating the threads.
10898 (gnus-summary-prepare)
10899 ;; Hide subthreads if needed.
10900 (gnus-summary-maybe-hide-threads)))
10902 (defun gnus-summary-sort (predicate reverse)
10903 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10904 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10905 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10906 (gnus-thread-sort-functions
10911 (gnus-sort-gathered-threads-function
10912 gnus-thread-sort-functions)
10913 (gnus-article-sort-functions
10917 (,article t2 t1))))
10919 (gnus-summary-prepare-hook nil))
10920 ;; We do the sorting by regenerating the threads.
10921 (gnus-summary-prepare)
10922 ;; Hide subthreads if needed.
10923 (gnus-summary-maybe-hide-threads)))
10925 ;; Summary saving commands.
10927 (defun gnus-summary-save-article (&optional n not-saved)
10928 "Save the current article using the default saver function.
10929 If N is a positive number, save the N next articles.
10930 If N is a negative number, save the N previous articles.
10931 If N is nil and any articles have been marked with the process mark,
10932 save those articles instead.
10933 The variable `gnus-default-article-saver' specifies the saver function."
10935 (let* ((articles (gnus-summary-work-articles n))
10936 (save-buffer (save-excursion
10937 (nnheader-set-temp-buffer " *Gnus Save*")))
10938 (num (length articles))
10940 (dolist (article articles)
10941 (setq header (gnus-summary-article-header article))
10942 (if (not (vectorp header))
10943 ;; This is a pseudo-article.
10944 (if (assq 'name header)
10945 (gnus-copy-file (cdr (assq 'name header)))
10946 (gnus-message 1 "Article %d is unsaveable" article))
10947 ;; This is a real article.
10948 (save-window-excursion
10949 (let ((gnus-display-mime-function nil)
10950 (gnus-article-prepare-hook nil))
10951 (gnus-summary-select-article t nil nil article)))
10953 (set-buffer save-buffer)
10955 (insert-buffer-substring gnus-original-article-buffer))
10956 (setq file (gnus-article-save save-buffer file num))
10957 (gnus-summary-remove-process-mark article)
10959 (gnus-summary-set-saved-mark article))))
10960 (gnus-kill-buffer save-buffer)
10961 (gnus-summary-position-point)
10962 (gnus-set-mode-line 'summary)
10965 (defun gnus-summary-pipe-output (&optional arg headers)
10966 "Pipe the current article to a subprocess.
10967 If N is a positive number, pipe the N next articles.
10968 If N is a negative number, pipe the N previous articles.
10969 If N is nil and any articles have been marked with the process mark,
10970 pipe those articles instead.
10971 If HEADERS (the symbolic prefix), include the headers, too."
10972 (interactive (gnus-interactive "P\ny"))
10973 (require 'gnus-art)
10974 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10975 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10976 (gnus-summary-save-article arg t))
10977 (let ((buffer (get-buffer "*Shell Command Output*")))
10979 (not (zerop (buffer-size buffer))))
10980 (gnus-configure-windows 'pipe))))
10982 (defun gnus-summary-save-article-mail (&optional arg)
10983 "Append the current article to an mail file.
10984 If N is a positive number, save the N next articles.
10985 If N is a negative number, save the N previous articles.
10986 If N is nil and any articles have been marked with the process mark,
10987 save those articles instead."
10989 (require 'gnus-art)
10990 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10991 (gnus-summary-save-article arg)))
10993 (defun gnus-summary-save-article-rmail (&optional arg)
10994 "Append the current article to an rmail file.
10995 If N is a positive number, save the N next articles.
10996 If N is a negative number, save the N previous articles.
10997 If N is nil and any articles have been marked with the process mark,
10998 save those articles instead."
11000 (require 'gnus-art)
11001 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11002 (gnus-summary-save-article arg)))
11004 (defun gnus-summary-save-article-file (&optional arg)
11005 "Append the current article to a file.
11006 If N is a positive number, save the N next articles.
11007 If N is a negative number, save the N previous articles.
11008 If N is nil and any articles have been marked with the process mark,
11009 save those articles instead."
11011 (require 'gnus-art)
11012 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11013 (gnus-summary-save-article arg)))
11015 (defun gnus-summary-write-article-file (&optional arg)
11016 "Write the current article to a file, deleting the previous file.
11017 If N is a positive number, save the N next articles.
11018 If N is a negative number, save the N previous articles.
11019 If N is nil and any articles have been marked with the process mark,
11020 save those articles instead."
11022 (require 'gnus-art)
11023 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11024 (gnus-summary-save-article arg)))
11026 (defun gnus-summary-save-article-body-file (&optional arg)
11027 "Append the current article body to a file.
11028 If N is a positive number, save the N next articles.
11029 If N is a negative number, save the N previous articles.
11030 If N is nil and any articles have been marked with the process mark,
11031 save those articles instead."
11033 (require 'gnus-art)
11034 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11035 (gnus-summary-save-article arg)))
11037 (defun gnus-summary-muttprint (&optional arg)
11038 "Print the current article using Muttprint.
11039 If N is a positive number, save the N next articles.
11040 If N is a negative number, save the N previous articles.
11041 If N is nil and any articles have been marked with the process mark,
11042 save those articles instead."
11044 (require 'gnus-art)
11045 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11046 (gnus-summary-save-article arg t)))
11048 (defun gnus-summary-pipe-message (program)
11049 "Pipe the current article through PROGRAM."
11050 (interactive "sProgram: ")
11051 (gnus-summary-select-article)
11052 (let ((mail-header-separator ""))
11053 (gnus-eval-in-buffer-window gnus-article-buffer
11056 (let ((start (window-start))
11058 (message-pipe-buffer-body program)
11059 (set-window-start (get-buffer-window (current-buffer)) start))))))
11061 (defun gnus-get-split-value (methods)
11062 "Return a value based on the split METHODS."
11063 (let (split-name method result match)
11066 (set-buffer gnus-original-article-buffer)
11068 (nnheader-narrow-to-headers)
11069 (while (and methods (not split-name))
11070 (goto-char (point-min))
11071 (setq method (pop methods))
11072 (setq match (car method))
11075 ;; Regular expression.
11077 (re-search-forward match nil t)))
11082 (setq result (funcall match gnus-newsgroup-name))))
11087 (setq result (eval match)))))
11088 (setq split-name (cdr method))
11089 (cond ((stringp result)
11090 (push (expand-file-name
11091 result gnus-article-save-directory)
11094 (setq split-name (append result split-name)))))))))
11095 (nreverse split-name)))
11097 (defun gnus-valid-move-group-p (group)
11098 (and (boundp group)
11099 (symbol-name group)
11100 (symbol-value group)
11101 (gnus-get-function (gnus-find-method-for-group
11102 (symbol-name group)) 'request-accept-article t)))
11104 (defun gnus-read-move-group-name (prompt default articles prefix)
11105 "Read a group name."
11106 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11107 (minibuffer-confirm-incomplete nil) ; XEmacs
11109 (format "%s %s to:"
11111 (if (> (length articles) 1)
11112 (format "these %d articles" (length articles))
11117 (gnus-completing-read-with-default
11120 'gnus-valid-move-group-p
11122 'gnus-group-history))
11123 ((= 1 (length split-name))
11124 (gnus-completing-read-with-default
11125 (car split-name) prom
11127 'gnus-valid-move-group-p
11129 'gnus-group-history))
11131 (gnus-completing-read-with-default
11133 (mapcar (lambda (el) (list el))
11134 (nreverse split-name))
11136 'gnus-group-history))))
11137 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11139 (if (or (string= to-newsgroup "")
11140 (string= to-newsgroup prefix))
11141 (setq to-newsgroup default))
11142 (unless to-newsgroup
11143 (error "No group name entered"))
11144 (or (gnus-active to-newsgroup)
11145 (gnus-activate-group to-newsgroup nil nil to-method)
11146 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11148 (or (and (gnus-request-create-group to-newsgroup to-method)
11149 (gnus-activate-group
11150 to-newsgroup nil nil to-method)
11151 (gnus-subscribe-group to-newsgroup))
11152 (error "Couldn't create group %s" to-newsgroup)))
11153 (error "No such group: %s" to-newsgroup)))
11156 (defun gnus-summary-save-parts (type dir n &optional reverse)
11157 "Save parts matching TYPE to DIR.
11158 If REVERSE, save parts that do not match TYPE."
11160 (list (read-string "Save parts of type: "
11161 (or (car gnus-summary-save-parts-type-history)
11162 gnus-summary-save-parts-default-mime)
11163 'gnus-summary-save-parts-type-history)
11164 (setq gnus-summary-save-parts-last-directory
11165 (read-file-name "Save to directory: "
11166 gnus-summary-save-parts-last-directory
11168 current-prefix-arg))
11169 (gnus-summary-iterate n
11170 (let ((gnus-display-mime-function nil)
11171 (gnus-inhibit-treatment t))
11172 (gnus-summary-select-article))
11174 (set-buffer gnus-article-buffer)
11175 (let ((handles (or gnus-article-mime-handles
11176 (mm-dissect-buffer nil gnus-article-loose-mime)
11177 (and gnus-article-emulate-mime
11178 (mm-uu-dissect)))))
11180 (gnus-summary-save-parts-1 type dir handles reverse)
11181 (unless gnus-article-mime-handles ;; Don't destroy this case.
11182 (mm-destroy-parts handles)))))))
11184 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11185 (if (stringp (car handle))
11186 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11189 (not (string-match type (mm-handle-media-type handle)))
11190 (string-match type (mm-handle-media-type handle)))
11191 (let ((file (expand-file-name
11193 mm-file-name-rewrite-functions
11194 (file-name-nondirectory
11196 (mail-content-type-get
11197 (mm-handle-disposition handle) 'filename)
11198 (mail-content-type-get
11199 (mm-handle-type handle) 'name)
11200 (concat gnus-newsgroup-name
11201 "." (number-to-string
11202 (cdr gnus-article-current))))))
11204 (unless (file-exists-p file)
11205 (mm-save-part-to-file handle file))))))
11207 ;; Summary extract commands
11209 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11210 (let ((buffer-read-only nil)
11211 (article (gnus-summary-article-number))
11213 (unless (gnus-summary-goto-subject article)
11214 (error "No such article: %d" article))
11215 (gnus-summary-position-point)
11216 ;; If all commands are to be bunched up on one line, we collect
11218 (unless gnus-view-pseudos-separately
11219 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11222 (setq action (cdr (assq 'action (car ps))))
11223 (setq files (list (cdr (assq 'name (car ps)))))
11224 (while (and ps (cdr ps)
11225 (string= (or action "1")
11226 (or (cdr (assq 'action (cadr ps))) "2")))
11227 (push (cdr (assq 'name (cadr ps))) files)
11228 (setcdr ps (cddr ps)))
11230 (when (not (string-match "%s" action))
11233 (when (assq 'execute (car ps))
11234 (setcdr (assq 'execute (car ps))
11235 (funcall (if (string-match "%s" action)
11242 (shell-quote-argument f)))
11244 (setq ps (cdr ps)))))
11245 (if (and gnus-view-pseudos (not not-view))
11247 (when (assq 'execute (car pslist))
11248 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11249 (eq gnus-view-pseudos 'not-confirm)))
11250 (setq pslist (cdr pslist)))
11253 (setq after-article (or (cdr (assq 'article (car pslist)))
11254 (gnus-summary-article-number)))
11255 (gnus-summary-goto-subject after-article)
11258 (insert " " (file-name-nondirectory
11259 (cdr (assq 'name (car pslist))))
11260 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11262 (forward-line -1) ; back to `b'
11263 (gnus-add-text-properties
11264 b (1- e) (list 'gnus-number gnus-reffed-article-number
11265 gnus-mouse-face-prop gnus-mouse-face))
11267 after-article gnus-reffed-article-number
11268 gnus-unread-mark b (car pslist) 0 (- e b))
11269 (setq gnus-newsgroup-unreads
11270 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11271 gnus-reffed-article-number))
11272 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11273 (setq pslist (cdr pslist)))))))
11275 (defun gnus-pseudos< (p1 p2)
11276 (let ((c1 (cdr (assq 'action p1)))
11277 (c2 (cdr (assq 'action p2))))
11278 (and c1 c2 (string< c1 c2))))
11280 (defun gnus-request-pseudo-article (props)
11281 (cond ((assq 'execute props)
11282 (gnus-execute-command (cdr (assq 'execute props)))))
11283 (let ((gnus-current-article (gnus-summary-article-number)))
11284 (gnus-run-hooks 'gnus-mark-article-hook)))
11286 (defun gnus-execute-command (command &optional automatic)
11288 (gnus-article-setup-buffer)
11289 (set-buffer gnus-article-buffer)
11290 (setq buffer-read-only nil)
11291 (let ((command (if automatic command
11292 (read-string "Command: " (cons command 0)))))
11294 (insert "$ " command "\n\n")
11295 (if gnus-view-pseudo-asynchronously
11296 (start-process "gnus-execute" (current-buffer) shell-file-name
11297 shell-command-switch command)
11298 (call-process shell-file-name nil t nil
11299 shell-command-switch command)))))
11301 ;; Summary kill commands.
11303 (defun gnus-summary-edit-global-kill (article)
11304 "Edit the \"global\" kill file."
11305 (interactive (list (gnus-summary-article-number)))
11306 (gnus-group-edit-global-kill article))
11308 (defun gnus-summary-edit-local-kill ()
11309 "Edit a local kill file applied to the current newsgroup."
11311 (setq gnus-current-headers (gnus-summary-article-header))
11312 (gnus-group-edit-local-kill
11313 (gnus-summary-article-number) gnus-newsgroup-name))
11315 ;;; Header reading.
11317 (defun gnus-read-header (id &optional header)
11318 "Read the headers of article ID and enter them into the Gnus system."
11319 (let ((group gnus-newsgroup-name)
11320 (gnus-override-method
11322 gnus-override-method
11323 (and (gnus-news-group-p gnus-newsgroup-name)
11324 (car (gnus-refer-article-methods)))))
11326 ;; First we check to see whether the header in question is already
11329 ;; This is a Message-ID.
11330 (setq header (or header (gnus-id-to-header id)))
11331 ;; This is an article number.
11332 (setq header (or header (gnus-summary-article-header id))))
11334 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11335 ;; We have found the header.
11337 ;; We have to really fetch the header to this article.
11339 (set-buffer nntp-server-buffer)
11340 (when (setq where (gnus-request-head id group))
11341 (nnheader-fold-continuation-lines)
11342 (goto-char (point-max))
11344 (goto-char (point-min))
11348 ((cdr where) (cdr where))
11349 (header (mail-header-number header))
11350 (t gnus-reffed-article-number))
11352 (insert " Article retrieved.\n"))
11353 (if (or (not where)
11354 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11355 () ; Malformed head.
11356 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11357 (when (and (stringp id)
11358 (not (string= (gnus-group-real-name group)
11360 ;; If we fetched by Message-ID and the article came
11361 ;; from a different group, we fudge some bogus article
11362 ;; numbers for this article.
11363 (mail-header-set-number header gnus-reffed-article-number))
11365 (set-buffer gnus-summary-buffer)
11366 (decf gnus-reffed-article-number)
11367 (gnus-remove-header (mail-header-number header))
11368 (push header gnus-newsgroup-headers)
11369 (setq gnus-current-headers header)
11370 (push (mail-header-number header) gnus-newsgroup-limit)))
11373 (defun gnus-remove-header (number)
11374 "Remove header NUMBER from `gnus-newsgroup-headers'."
11375 (if (and gnus-newsgroup-headers
11376 (= number (mail-header-number (car gnus-newsgroup-headers))))
11377 (pop gnus-newsgroup-headers)
11378 (let ((headers gnus-newsgroup-headers))
11379 (while (and (cdr headers)
11380 (not (= number (mail-header-number (cadr headers)))))
11382 (when (cdr headers)
11383 (setcdr headers (cddr headers))))))
11386 ;;; summary highlights
11389 (defun gnus-highlight-selected-summary ()
11390 "Highlight selected article in summary buffer."
11391 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11392 (when gnus-summary-selected-face
11394 (let* ((beg (point-at-bol))
11395 (end (point-at-eol))
11396 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11397 (from (if (get-text-property beg gnus-mouse-face-prop)
11399 (or (next-single-property-change
11400 beg gnus-mouse-face-prop nil end)
11405 (or (next-single-property-change
11406 from gnus-mouse-face-prop nil end)
11408 ;; If no mouse-face prop on line we will have to = from = end,
11409 ;; so we highlight the entire line instead.
11410 (when (= (+ to 2) from)
11413 (if gnus-newsgroup-selected-overlay
11414 ;; Move old overlay.
11416 gnus-newsgroup-selected-overlay from to (current-buffer))
11417 ;; Create new overlay.
11419 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11420 'face gnus-summary-selected-face))))))
11422 (defvar gnus-summary-highlight-line-cached nil)
11423 (defvar gnus-summary-highlight-line-trigger nil)
11425 (defun gnus-summary-highlight-line-0 ()
11426 (if (and (eq gnus-summary-highlight-line-trigger
11427 gnus-summary-highlight)
11428 gnus-summary-highlight-line-cached)
11429 gnus-summary-highlight-line-cached
11430 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11431 gnus-summary-highlight-line-cached
11432 (let* ((cond (list 'cond))
11434 (list gnus-summary-highlight))
11436 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11440 (gnus-byte-compile (list 'lambda nil cond))))))
11442 (defun gnus-summary-highlight-line ()
11443 "Highlight current line according to `gnus-summary-highlight'."
11444 (let* ((beg (point-at-bol))
11445 (article (or (gnus-summary-article-number) gnus-current-article))
11446 (score (or (cdr (assq article
11447 gnus-newsgroup-scored))
11448 gnus-summary-default-score 0))
11449 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11450 (inhibit-read-only t)
11451 (default gnus-summary-default-score)
11452 (default-high gnus-summary-default-high-score)
11453 (default-low gnus-summary-default-low-score)
11454 (uncached (and gnus-summary-use-undownloaded-faces
11455 (memq article gnus-newsgroup-undownloaded)
11456 (not (memq article gnus-newsgroup-cached)))))
11457 (let ((face (funcall (gnus-summary-highlight-line-0))))
11458 (unless (eq face (get-text-property beg 'face))
11459 (gnus-put-text-property-excluding-characters-with-faces
11460 beg (point-at-eol) 'face
11461 (setq face (if (boundp face) (symbol-value face) face)))
11462 (when gnus-summary-highlight-line-function
11463 (funcall gnus-summary-highlight-line-function article face))))))
11465 (defun gnus-update-read-articles (group unread &optional compute)
11466 "Update the list of read articles in GROUP.
11467 UNREAD is a sorted list."
11468 (let ((active (or gnus-newsgroup-active (gnus-active group)))
11469 (info (gnus-get-info group))
11472 (if (or (not info) (not active))
11473 ;; There is no info on this group if it was, in fact,
11474 ;; killed. Gnus stores no information on killed groups, so
11475 ;; there's nothing to be done.
11476 ;; One could store the information somewhere temporarily,
11477 ;; perhaps... Hmmm...
11479 ;; Remove any negative articles numbers.
11480 (while (and unread (< (car unread) 0))
11481 (setq unread (cdr unread)))
11482 ;; Remove any expired article numbers
11483 (while (and unread (< (car unread) (car active)))
11484 (setq unread (cdr unread)))
11485 ;; Compute the ranges of read articles by looking at the list of
11486 ;; unread articles.
11488 (when (/= (car unread) prev)
11489 (push (if (= prev (1- (car unread))) prev
11490 (cons prev (1- (car unread))))
11492 (setq prev (1+ (car unread)))
11493 (setq unread (cdr unread)))
11494 (when (<= prev (cdr active))
11495 (push (cons prev (cdr active)) read))
11496 (setq read (if (> (length read) 1) (nreverse read) read))
11501 ;; Propagate the read marks to the backend.
11502 (when (gnus-check-backend-function 'request-set-mark group)
11503 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11504 (add (gnus-remove-from-range read (gnus-info-read info))))
11506 (unless (gnus-check-group group)
11507 (error "Can't open server for %s" group))
11508 (gnus-request-set-mark
11509 group (delq nil (list (if add (list add 'add '(read)))
11510 (if del (list del 'del '(read))))))
11512 `(gnus-request-set-mark
11515 (if del (list del 'add '(read)))
11516 (if add (list add 'del '(read))))))))))
11517 (set-buffer gnus-group-buffer)
11518 (gnus-undo-register
11520 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11521 (gnus-info-set-read ',info ',(gnus-info-read info))
11522 (gnus-get-unread-articles-in-group ',info
11523 (gnus-active ,group))
11524 (gnus-group-update-group ,group t)
11526 ;; Enter this list into the group info.
11527 (gnus-info-set-read info read)
11528 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11529 (gnus-get-unread-articles-in-group info (gnus-active group))
11532 (defun gnus-offer-save-summaries ()
11533 "Offer to save all active summary buffers."
11535 ;; Go through all buffers and find all summaries.
11536 (dolist (buffer (buffer-list))
11537 (when (and (setq buffer (buffer-name buffer))
11538 (string-match "Summary" buffer)
11539 (with-current-buffer buffer
11540 ;; We check that this is, indeed, a summary buffer.
11541 (and (eq major-mode 'gnus-summary-mode)
11542 ;; Also make sure this isn't bogus.
11543 gnus-newsgroup-prepared
11544 ;; Also make sure that this isn't a
11545 ;; dead summary buffer.
11546 (not gnus-dead-summary-mode))))
11547 (push buffer buffers)))
11548 ;; Go through all these summary buffers and offer to save them.
11552 "Update summary buffer %s? "
11554 (switch-to-buffer buf)
11555 (gnus-summary-exit))
11559 ;;; @ for mime-partial
11562 (defun gnus-request-partial-message ()
11564 (let ((number (gnus-summary-article-number))
11565 (group gnus-newsgroup-name)
11566 (mother gnus-article-buffer))
11567 (set-buffer (get-buffer-create " *Partial Article*"))
11569 (setq mime-preview-buffer mother)
11570 (gnus-request-article-this-buffer number group)
11571 (mime-parse-buffer)
11574 (autoload 'mime-combine-message/partial-pieces-automatically
11576 "Internal method to combine message/partial messages automatically.")
11578 (mime-add-condition
11579 'action '((type . message)(subtype . partial)
11580 (major-mode . gnus-original-article-mode)
11581 (method . mime-combine-message/partial-pieces-automatically)
11582 (summary-buffer-exp . gnus-summary-buffer)
11583 (request-partial-message-method . gnus-request-partial-message)
11587 ;;; @ for message/rfc822
11590 (defun gnus-mime-extract-message/rfc822 (entity situation)
11591 "Burst a forwarded article."
11593 (set-buffer gnus-summary-buffer)
11594 (let* ((group (completing-read "Group: " gnus-active-hashtb nil t
11595 gnus-newsgroup-name 'gnus-group-history))
11596 (gnus-group-marked (list group))
11599 (mime-insert-entity-content entity)
11600 (setq article (gnus-request-accept-article group)))
11601 (when (and (consp article)
11602 (numberp (setq article (cdr article))))
11603 (setq info (gnus-get-info group))
11604 (gnus-info-set-read info
11605 (gnus-remove-from-range (gnus-info-read info)
11607 (when (string-equal group gnus-newsgroup-name)
11609 (let (gnus-show-threads)
11610 (gnus-summary-goto-subject article t))
11611 (gnus-summary-clear-mark-forward 1))
11612 (set-buffer gnus-group-buffer)
11613 (gnus-group-get-new-news-this-group nil t)))))
11615 (mime-add-condition
11616 'action '((type . message)(subtype . rfc822)
11617 (major-mode . gnus-original-article-mode)
11618 (method . gnus-mime-extract-message/rfc822)
11622 (mime-add-condition
11623 'action '((type . message)(subtype . news)
11624 (major-mode . gnus-original-article-mode)
11625 (method . gnus-mime-extract-message/rfc822)
11629 (defun gnus-mime-extract-multipart (entity situation)
11630 (let ((children (mime-entity-children entity))
11631 mime-acting-situation-to-override
11634 (mime-play-entity (car children)
11635 (cons (assq 'mode situation)
11636 mime-acting-situation-to-override))
11637 (setq children (cdr children)))
11638 (if (setq f (cdr (assq 'after-method
11639 mime-acting-situation-to-override)))
11643 (mime-add-condition
11644 'action '((type . multipart)
11645 (method . gnus-mime-extract-multipart)
11654 (defun gnus-summary-inherit-default-charset ()
11655 "Import `default-mime-charset' from summary buffer.
11656 Also take care of `default-mime-charset-unlimited' if the LIMIT version
11658 (if (buffer-live-p gnus-summary-buffer)
11659 (let (d-m-c d-m-c-u)
11660 (with-current-buffer gnus-summary-buffer
11661 (setq d-m-c (if (local-variable-p 'default-mime-charset
11662 gnus-summary-buffer)
11663 default-mime-charset
11666 d-m-c-u (if (local-variable-p 'default-mime-charset-unlimited
11667 gnus-summary-buffer)
11668 (symbol-value 'default-mime-charset-unlimited)
11671 (kill-local-variable 'default-mime-charset)
11672 (set (make-local-variable 'default-mime-charset) d-m-c))
11674 (kill-local-variable 'default-mime-charset-unlimited)
11675 (set (make-local-variable 'default-mime-charset-unlimited)
11678 (defun gnus-summary-setup-default-charset ()
11679 "Setup newsgroup default charset."
11680 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11682 (setq gnus-newsgroup-charset nil)
11683 (set (make-local-variable 'default-mime-charset) nil)
11684 (when (boundp 'default-mime-charset-unlimited);; LIMIT
11685 (set (make-local-variable 'default-mime-charset-unlimited) nil)))
11686 (let ((ignored-charsets
11687 (or gnus-newsgroup-ephemeral-ignored-charsets
11689 (and gnus-newsgroup-name
11690 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11691 gnus-newsgroup-ignored-charsets)))
11693 (setq gnus-newsgroup-charset
11694 (or gnus-newsgroup-ephemeral-charset
11695 (when (and gnus-newsgroup-name
11696 (setq charset (gnus-parameter-charset
11697 gnus-newsgroup-name)))
11698 (make-local-variable 'default-mime-charset)
11699 (setq default-mime-charset charset))
11700 gnus-default-charset))
11701 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11702 ignored-charsets))))
11708 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11709 "Display the current article buffer fully MIME-buttonized.
11710 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11711 treated as multipart/mixed."
11713 (require 'gnus-art)
11714 (let ((gnus-unbuttonized-mime-types nil)
11715 (gnus-mime-display-multipart-as-mixed show-all-parts))
11716 (gnus-summary-show-article)))
11718 (defun gnus-summary-repair-multipart (article)
11719 "Add a Content-Type header to a multipart article without one."
11720 (interactive (list (gnus-summary-article-number)))
11721 (gnus-with-article article
11722 (message-narrow-to-head)
11723 (message-remove-header "Mime-Version")
11724 (goto-char (point-max))
11725 (insert "Mime-Version: 1.0\n")
11727 (when (search-forward "\n--" nil t)
11728 (let ((separator (buffer-substring (point) (point-at-eol))))
11729 (message-narrow-to-head)
11730 (message-remove-header "Content-Type")
11731 (goto-char (point-max))
11732 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11735 (let (gnus-mark-article-hook)
11736 (gnus-summary-select-article t t nil article)))
11738 (defun gnus-summary-toggle-display-buttonized ()
11739 "Toggle the buttonizing of the article buffer."
11741 (require 'gnus-art)
11742 (if (setq gnus-inhibit-mime-unbuttonizing
11743 (not gnus-inhibit-mime-unbuttonizing))
11744 (let ((gnus-unbuttonized-mime-types nil))
11745 (gnus-summary-show-article))
11746 (gnus-summary-show-article)))
11749 ;;; Intelli-mouse commmands
11752 (defun gnus-wheel-summary-scroll (event)
11754 (let ((amount (if (memq 'shift (event-modifiers event))
11755 (car gnus-wheel-scroll-amount)
11756 (cdr gnus-wheel-scroll-amount)))
11757 (direction (- (* (static-if (featurep 'xemacs)
11758 (event-button event)
11759 (cond ((eq 'mouse-4 (event-basic-type event))
11761 ((eq 'mouse-5 (event-basic-type event))
11765 (gnus-summary-scroll-up (* amount direction))
11766 (when (gnus-eval-in-buffer-window gnus-article-buffer
11769 (and (if (< 0 direction)
11770 (gnus-article-next-page 0)
11771 (gnus-article-prev-page 0)
11773 (if (setq edge (get-text-property
11774 (point-min) 'gnus-wheel-edge))
11775 (setq edge (* edge direction))
11778 (let ((buffer-read-only nil)
11779 (inhibit-read-only t))
11780 (put-text-property (point-min) (point-max)
11781 'gnus-wheel-edge direction)
11783 (or (> edge gnus-wheel-edge-resistance)
11784 (let ((buffer-read-only nil)
11785 (inhibit-read-only t))
11786 (put-text-property (point-min) (point-max)
11788 (* (1+ edge) direction))
11790 (eq last-command 'gnus-wheel-summary-scroll))))
11791 (gnus-summary-next-article nil nil (minusp direction)))))
11793 (defun gnus-wheel-install ()
11794 "Enable mouse wheel support on summary window."
11795 (when gnus-use-wheel
11797 '([(mouse-4)] [(shift mouse-4)] [(mouse-5)] [(shift mouse-5)])))
11799 (define-key gnus-summary-mode-map key
11800 'gnus-wheel-summary-scroll)))))
11802 (add-hook 'gnus-summary-mode-hook 'gnus-wheel-install)
11805 ;;; Traditional PGP commmands
11808 (defun gnus-summary-decrypt-article (&optional force)
11809 "Decrypt the current article in traditional PGP way.
11810 This will have permanent effect only in mail groups.
11811 If FORCE is non-nil, allow editing of articles even in read-only
11814 (gnus-summary-select-article t)
11815 (gnus-eval-in-buffer-window gnus-article-buffer
11819 (goto-char (point-min))
11820 (unless (re-search-forward (car pgg-armor-header-lines) nil t)
11821 (error "Not a traditional PGP message!"))
11822 (let ((armor-start (match-beginning 0)))
11823 (if (and (pgg-decrypt-region armor-start (point-max))
11824 (or force (not (gnus-group-read-only-p))))
11825 (let ((inhibit-read-only t)
11827 (delete-region armor-start
11829 (re-search-forward "^-+END PGP" nil t)
11830 (beginning-of-line 2)
11832 (insert-buffer-substring pgg-output-buffer))))))))
11834 (defun gnus-summary-verify-article ()
11835 "Verify the current article in traditional PGP way."
11838 (set-buffer gnus-original-article-buffer)
11839 (goto-char (point-min))
11840 (unless (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE" nil t)
11841 (error "Not a traditional PGP message!"))
11842 (re-search-forward "^-+END PGP" nil t)
11843 (beginning-of-line 2)
11844 (call-interactively (function pgg-verify-region))))
11847 ;;; Generic summary marking commands
11850 (defvar gnus-summary-marking-alist
11851 '((read gnus-del-mark "d")
11852 (unread gnus-unread-mark "u")
11853 (ticked gnus-ticked-mark "!")
11854 (dormant gnus-dormant-mark "?")
11855 (expirable gnus-expirable-mark "e"))
11856 "An alist of names/marks/keystrokes.")
11858 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11859 (defvar gnus-summary-mark-map)
11861 (defun gnus-summary-make-all-marking-commands ()
11862 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11863 (dolist (elem gnus-summary-marking-alist)
11864 (apply 'gnus-summary-make-marking-command elem)))
11866 (defun gnus-summary-make-marking-command (name mark keystroke)
11867 (let ((map (make-sparse-keymap)))
11868 (define-key gnus-summary-generic-mark-map keystroke map)
11869 (dolist (lway `((next "next" next nil "n")
11870 (next-unread "next unread" next t "N")
11871 (prev "previous" prev nil "p")
11872 (prev-unread "previous unread" prev t "P")
11873 (nomove "" nil nil ,keystroke)))
11874 (let ((func (gnus-summary-make-marking-command-1
11875 mark (car lway) lway name)))
11876 (setq func (eval func))
11877 (define-key map (nth 4 lway) func)))))
11879 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11881 (format "gnus-summary-put-mark-as-%s%s"
11882 name (if (eq way 'nomove)
11884 (concat "-" (symbol-name way)))))
11887 "Mark the current article as %s%s.
11888 If N, the prefix, then repeat N times.
11889 If N is negative, move in reverse order.
11890 The difference between N and the actual number of articles marked is
11892 name (car (cdr lway)))
11894 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11896 (defun gnus-summary-generic-mark (n mark move unread)
11897 "Mark N articles with MARK."
11898 (unless (eq major-mode 'gnus-summary-mode)
11899 (error "This command can only be used in the summary buffer"))
11900 (gnus-summary-show-thread)
11903 ((eq move 'next) 1)
11904 ((eq move 'prev) -1)
11906 (if (zerop nummove)
11910 nummove (* -1 nummove))))
11911 (while (and (> n 0)
11912 (gnus-summary-mark-article nil mark)
11913 (zerop (gnus-summary-next-subject nummove unread t)))
11916 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11917 (gnus-summary-recenter)
11918 (gnus-summary-position-point)
11919 (gnus-set-mode-line 'summary)
11922 (defun gnus-summary-insert-articles (articles)
11923 (when (setq articles
11924 (gnus-sorted-difference articles
11925 (mapcar (lambda (h)
11926 (mail-header-number h))
11927 gnus-newsgroup-headers)))
11928 (setq gnus-newsgroup-headers
11930 gnus-newsgroup-headers
11931 (gnus-fetch-headers articles)
11932 'gnus-article-sort-by-number))
11933 ;; Suppress duplicates?
11934 (when gnus-suppress-duplicates
11935 (gnus-dup-suppress-articles))
11937 ;; We might want to build some more threads first.
11938 (when (and gnus-fetch-old-headers
11939 (eq gnus-headers-retrieved-by 'nov))
11940 (if (eq gnus-fetch-old-headers 'invisible)
11941 (gnus-build-all-threads)
11942 (gnus-build-old-threads)))
11943 ;; Let the Gnus agent mark articles as read.
11945 (gnus-agent-get-undownloaded-list))
11946 ;; Remove list identifiers from subject
11947 (when gnus-list-identifiers
11948 (gnus-summary-remove-list-identifiers))
11949 ;; First and last article in this newsgroup.
11950 (when gnus-newsgroup-headers
11951 (setq gnus-newsgroup-begin
11952 (mail-header-number (car gnus-newsgroup-headers))
11954 (mail-header-number
11955 (gnus-last-element gnus-newsgroup-headers))))
11956 (when gnus-use-scoring
11957 (gnus-possibly-score-headers))))
11959 (defun gnus-summary-insert-old-articles (&optional all)
11960 "Insert all old articles in this group.
11961 If ALL is non-nil, already read articles become readable.
11962 If ALL is a number, fetch this number of articles."
11965 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11968 ;; Some nntp servers lie about their active range. When
11969 ;; this happens, the active range can be in the millions.
11970 ;; Use a compressed range to avoid creating a huge list.
11971 (gnus-range-difference (list gnus-newsgroup-active) old))
11972 (setq len (gnus-range-length older))
11977 (let ((older-range (nreverse older)))
11981 (let* ((r (pop older-range))
11982 (min (if (numberp r) r (car r)))
11983 (max (if (numberp r) r (cdr r))))
11984 (while (and (<= min max)
11989 (setq older (gnus-uncompress-range older))))
11991 (setq older (gnus-uncompress-range older)))
11993 (when (and (numberp gnus-large-newsgroup)
11994 (> len gnus-large-newsgroup))
11995 (let* ((cursor-in-echo-area nil)
11996 (initial (gnus-parameter-large-newsgroup-initial
11997 gnus-newsgroup-name))
12001 "How many articles from %s (%s %d): "
12003 (gnus-group-decoded-name gnus-newsgroup-name) 35)
12004 (if initial "max" "default")
12007 (cons (number-to-string initial)
12009 (unless (string-match "^[ \t]*$" input)
12010 (setq all (string-to-number input))
12012 (let ((older-range (nreverse older)))
12016 (let* ((r (pop older-range))
12017 (min (if (numberp r) r (car r)))
12018 (max (if (numberp r) r (cdr r))))
12019 (while (and (<= min max)
12023 max (1- max))))))))))
12024 (setq older (gnus-uncompress-range older))))
12026 (message "No old news.")
12027 (gnus-summary-insert-articles older)
12028 (gnus-summary-limit (gnus-sorted-nunion old older))))
12029 (gnus-summary-position-point)))
12031 (defun gnus-summary-insert-new-articles ()
12032 "Insert all new articles in this group."
12035 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12036 (old-active gnus-newsgroup-active)
12037 (nnmail-fetched-sources (list t))
12039 (setq gnus-newsgroup-active
12040 (gnus-activate-group gnus-newsgroup-name 'scan))
12041 (setq i (cdr gnus-newsgroup-active))
12042 (while (> i (cdr old-active))
12046 (message "No gnus is bad news")
12047 (gnus-summary-insert-articles new)
12048 (setq gnus-newsgroup-unreads
12049 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12050 (gnus-summary-limit (gnus-sorted-nunion old new))))
12051 (gnus-summary-position-point)))
12053 (gnus-summary-make-all-marking-commands)
12055 (gnus-ems-redefine)
12057 (provide 'gnus-sum)
12059 (run-hooks 'gnus-sum-load-hook)
12061 ;; Local Variables:
12062 ;; coding: iso-8859-1
12065 ;;; gnus-sum.el ends here