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 'mm-uu-dissect "mm-uu")
57 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
58 "Deuglify broken Outlook (Express) articles and redisplay."
60 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
61 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
62 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
64 (defcustom gnus-kill-summary-on-exit t
65 "*If non-nil, kill the summary buffer when you exit from it.
66 If nil, the summary will become a \"*Dead Summary*\" buffer, and
67 it will be killed sometime later."
68 :group 'gnus-summary-exit
71 (defcustom gnus-fetch-old-headers nil
72 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
73 If an unread article in the group refers to an older, already read (or
74 just marked as read) article, the old article will not normally be
75 displayed in the Summary buffer. If this variable is non-nil, Gnus
76 will attempt to grab the headers to the old articles, and thereby
77 build complete threads. If it has the value `some', only enough
78 headers to connect otherwise loose threads will be displayed. This
79 variable can also be a number. In that case, no more than that number
80 of old headers will be fetched. If it has the value `invisible', all
81 old headers will be fetched, but none will be displayed.
83 The server has to support NOV for any of this to work."
85 :type '(choice (const :tag "off" nil)
88 (sexp :menu-tag "other" t)))
90 (defcustom gnus-refer-thread-limit 200
91 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
92 If t, fetch all the available old headers."
95 (sexp :menu-tag "other" t)))
97 (defcustom gnus-summary-make-false-root 'adopt
98 "*nil means that Gnus won't gather loose threads.
99 If the root of a thread has expired or been read in a previous
100 session, the information necessary to build a complete thread has been
101 lost. Instead of having many small sub-threads from this original thread
102 scattered all over the summary buffer, Gnus can gather them.
104 If non-nil, Gnus will try to gather all loose sub-threads from an
105 original thread into one large thread.
107 If this variable is non-nil, it should be one of `none', `adopt',
110 If this variable is `none', Gnus will not make a false root, but just
111 present the sub-threads after another.
112 If this variable is `dummy', Gnus will create a dummy root that will
113 have all the sub-threads as children.
114 If this variable is `adopt', Gnus will make one of the \"children\"
115 the parent and mark all the step-children as such.
116 If this variable is `empty', the \"children\" are printed with empty
117 subject fields. (Or rather, they will be printed with a string
118 given by the `gnus-summary-same-subject' variable.)"
120 :type '(choice (const :tag "off" nil)
126 (defcustom gnus-summary-make-false-root-always nil
127 "Always make a false dummy root."
131 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
132 "*A regexp to match subjects to be excluded from loose thread gathering.
133 As loose thread gathering is done on subjects only, that means that
134 there can be many false gatherings performed. By rooting out certain
135 common subjects, gathering might become saner."
139 (defcustom gnus-summary-gather-subject-limit nil
140 "*Maximum length of subject comparisons when gathering loose threads.
141 Use nil to compare full subjects. Setting this variable to a low
142 number will help gather threads that have been corrupted by
143 newsreaders chopping off subject lines, but it might also mean that
144 unrelated articles that have subject that happen to begin with the
145 same few characters will be incorrectly gathered.
147 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
150 :type '(choice (const :tag "off" nil)
152 (sexp :menu-tag "on" t)))
154 (defcustom gnus-simplify-subject-functions nil
155 "List of functions taking a string argument that simplify subjects.
156 The functions are applied recursively.
158 Useful functions to put in this list include:
159 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
160 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
162 :type '(repeat function))
164 (defcustom gnus-simplify-ignored-prefixes nil
165 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
167 :type '(choice (const :tag "off" nil)
170 (defcustom gnus-build-sparse-threads nil
171 "*If non-nil, fill in the gaps in threads.
172 If `some', only fill in the gaps that are needed to tie loose threads
173 together. If `more', fill in all leaf nodes that Gnus can find. If
174 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
176 :type '(choice (const :tag "off" nil)
179 (sexp :menu-tag "all" t)))
181 (defcustom gnus-summary-thread-gathering-function
182 'gnus-gather-threads-by-subject
183 "*Function used for gathering loose threads.
184 There are two pre-defined functions: `gnus-gather-threads-by-subject',
185 which only takes Subjects into consideration; and
186 `gnus-gather-threads-by-references', which compared the References
187 headers of the articles to find matches."
189 :type '(radio (function-item gnus-gather-threads-by-subject)
190 (function-item gnus-gather-threads-by-references)
191 (function :tag "other")))
193 (defcustom gnus-summary-same-subject ""
194 "*String indicating that the current article has the same subject as the previous.
195 This variable will only be used if the value of
196 `gnus-summary-make-false-root' is `empty'."
197 :group 'gnus-summary-format
200 (defcustom gnus-summary-goto-unread t
201 "*If t, many commands will go to the next unread article.
202 This applies to marking commands as well as other commands that
203 \"naturally\" select the next article, like, for instance, `SPC' at
204 the end of an article.
206 If nil, the marking commands do NOT go to the next unread article
207 \(they go to the next article instead). If `never', commands that
208 usually go to the next unread article, will go to the next article,
209 whether it is read or not."
210 :group 'gnus-summary-marks
211 :link '(custom-manual "(gnus)Setting Marks")
212 :type '(choice (const :tag "off" nil)
214 (sexp :menu-tag "on" t)))
216 (defcustom gnus-summary-default-score 0
217 "*Default article score level.
218 All scores generated by the score files will be added to this score.
219 If this variable is nil, scoring will be disabled."
220 :group 'gnus-score-default
221 :type '(choice (const :tag "disable")
224 (defcustom gnus-summary-default-high-score 0
225 "*Default threshold for a high scored article.
226 An article will be highlighted as high scored if its score is greater
228 :group 'gnus-score-default
231 (defcustom gnus-summary-default-low-score 0
232 "*Default threshold for a low scored article.
233 An article will be highlighted as low scored if its score is smaller
235 :group 'gnus-score-default
238 (defcustom gnus-summary-zcore-fuzz 0
239 "*Fuzziness factor for the zcore in the summary buffer.
240 Articles with scores closer than this to `gnus-summary-default-score'
242 :group 'gnus-summary-format
245 (defcustom gnus-simplify-subject-fuzzy-regexp nil
246 "*Strings to be removed when doing fuzzy matches.
247 This can either be a regular expression or list of regular expressions
248 that will be removed from subject strings if fuzzy subject
249 simplification is selected."
251 :type '(repeat regexp))
253 (defcustom gnus-show-threads t
254 "*If non-nil, display threads in summary mode."
258 (defcustom gnus-thread-hide-subtree nil
259 "*If non-nil, hide all threads initially.
260 This can be a predicate specifier which says which threads to hide.
261 If threads are hidden, you have to run the command
262 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
263 to expose hidden threads."
265 :type '(radio (sexp :format "Non-nil\n"
266 :match (lambda (widget value)
267 (not (or (consp value) (functionp value))))
270 (sexp :tag "Predicate specifier" :size 0)))
272 (defcustom gnus-thread-hide-killed t
273 "*If non-nil, hide killed threads automatically."
277 (defcustom gnus-thread-ignore-subject t
278 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
279 If nil, articles that have different subjects from their parents will
280 start separate threads."
284 (defcustom gnus-thread-operation-ignore-subject t
285 "*If non-nil, subjects will be ignored when doing thread commands.
286 This affects commands like `gnus-summary-kill-thread' and
287 `gnus-summary-lower-thread'.
289 If this variable is nil, articles in the same thread with different
290 subjects will not be included in the operation in question. If this
291 variable is `fuzzy', only articles that have subjects that are fuzzily
292 equal will be included."
294 :type '(choice (const :tag "off" nil)
298 (defcustom gnus-thread-indent-level 4
299 "*Number that says how much each sub-thread should be indented."
303 (defcustom gnus-auto-extend-newsgroup t
304 "*If non-nil, extend newsgroup forward and backward when requested."
305 :group 'gnus-summary-choose
308 (defcustom gnus-auto-select-first t
309 "*If non-nil, select the article under point.
310 Which article this is is controlled by the `gnus-auto-select-subject'
313 If you want to prevent automatic selection of articles in some
314 newsgroups, set the variable to nil in `gnus-select-group-hook'."
315 :group 'gnus-group-select
316 :type '(choice (const :tag "none" nil)
317 (sexp :menu-tag "first" t)))
319 (defcustom gnus-auto-select-subject 'unread
320 "*Says what subject to place under point when entering a group.
322 This variable can either be the symbols `first' (place point on the
323 first subject), `unread' (place point on the subject line of the first
324 unread article), `best' (place point on the subject line of the
325 higest-scored article), `unseen' (place point on the subject line of
326 the first unseen article), 'unseen-or-unread' (place point on the subject
327 line of the first unseen article or, if all article have been seen, on the
328 subject line of the first unread article), or a function to be called to
329 place point on some subject line."
330 :group 'gnus-group-select
331 :type '(choice (const best)
335 (const unseen-or-unread)))
337 (defcustom gnus-dont-select-after-jump-to-other-group nil
338 "If non-nil, don't select the first unread article after entering the
339 other group by the command `gnus-summary-jump-to-other-group'. If nil,
340 it is depend on the value of `gnus-auto-select-first' whether to select
342 :group 'gnus-group-select
345 (defcustom gnus-auto-select-next t
346 "*If non-nil, offer to go to the next group from the end of the previous.
347 If the value is t and the next newsgroup is empty, Gnus will exit
348 summary mode and go back to group mode. If the value is neither nil
349 nor t, Gnus will select the following unread newsgroup. In
350 particular, if the value is the symbol `quietly', the next unread
351 newsgroup will be selected without any confirmation, and if it is
352 `almost-quietly', the next group will be selected without any
353 confirmation if you are located on the last article in the group.
354 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
355 will go to the next group without confirmation."
356 :group 'gnus-summary-maneuvering
357 :type '(choice (const :tag "off" nil)
359 (const almost-quietly)
360 (const slightly-quietly)
361 (sexp :menu-tag "on" t)))
363 (defcustom gnus-auto-select-same nil
364 "*If non-nil, select the next article with the same subject.
365 If there are no more articles with the same subject, go to
366 the first unread article."
367 :group 'gnus-summary-maneuvering
370 (defcustom gnus-auto-goto-ignores 'unfetched
371 "*Says how to handle unfetched articles when maneuvering.
373 This variable can either be the symbols nil (maneuver to any
374 article), `undownloaded' (maneuvering while unplugged ignores articles
375 that have not been fetched), `always-undownloaded' (maneuvering always
376 ignores articles that have not been fetched), `unfetched' (maneuvering
377 ignores articles whose headers have not been fetched).
379 NOTE: The list of unfetched articles will always be nil when plugged
380 and, when unplugged, a subset of the undownloaded article list."
381 :group 'gnus-summary-maneuvering
382 :type '(choice (const :tag "None" nil)
383 (const :tag "Undownloaded when unplugged" undownloaded)
384 (const :tag "Undownloaded" always-undownloaded)
385 (const :tag "Unfetched" unfetched)))
387 (defcustom gnus-summary-check-current nil
388 "*If non-nil, consider the current article when moving.
389 The \"unread\" movement commands will stay on the same line if the
390 current article is unread."
391 :group 'gnus-summary-maneuvering
394 (defcustom gnus-auto-center-summary t
395 "*If non-nil, always center the current summary buffer.
396 In particular, if `vertical' do only vertical recentering. If non-nil
397 and non-`vertical', do both horizontal and vertical recentering."
398 :group 'gnus-summary-maneuvering
399 :type '(choice (const :tag "none" nil)
401 (integer :tag "height")
402 (sexp :menu-tag "both" t)))
404 (defvar gnus-auto-center-group t
405 "*If non-nil, always center the group buffer.")
407 (defcustom gnus-show-all-headers nil
408 "*If non-nil, don't hide any headers."
409 :group 'gnus-article-hiding
410 :group 'gnus-article-headers
413 (defcustom gnus-summary-ignore-duplicates nil
414 "*If non-nil, ignore articles with identical Message-ID headers."
418 (defcustom gnus-single-article-buffer t
419 "*If non-nil, display all articles in the same buffer.
420 If nil, each group will get its own article buffer."
421 :group 'gnus-article-various
424 (defcustom gnus-break-pages t
425 "*If non-nil, do page breaking on articles.
426 The page delimiter is specified by the `gnus-page-delimiter'
428 :group 'gnus-article-various
431 (defcustom gnus-show-mime t
432 "*If non-nil, do mime processing of articles.
433 The articles will simply be fed to the function given by
434 `gnus-article-display-method-for-mime'."
435 :group 'gnus-article-mime
438 (defcustom gnus-move-split-methods nil
439 "*Variable used to suggest where articles are to be moved to.
440 It uses the same syntax as the `gnus-split-methods' variable.
441 However, whereas `gnus-split-methods' specifies file names as targets,
442 this variable specifies group names."
443 :group 'gnus-summary-mail
444 :type '(repeat (choice (list :value (fun) function)
445 (cons :value ("" "") regexp (repeat string))
448 (defcustom gnus-unread-mark ?\ ;;;Whitespace
449 "*Mark used for unread articles."
450 :group 'gnus-summary-marks
453 (defcustom gnus-ticked-mark ?!
454 "*Mark used for ticked articles."
455 :group 'gnus-summary-marks
458 (defcustom gnus-dormant-mark ??
459 "*Mark used for dormant articles."
460 :group 'gnus-summary-marks
463 (defcustom gnus-del-mark ?r
464 "*Mark used for del'd articles."
465 :group 'gnus-summary-marks
468 (defcustom gnus-read-mark ?R
469 "*Mark used for read articles."
470 :group 'gnus-summary-marks
473 (defcustom gnus-expirable-mark ?E
474 "*Mark used for expirable articles."
475 :group 'gnus-summary-marks
478 (defcustom gnus-killed-mark ?K
479 "*Mark used for killed articles."
480 :group 'gnus-summary-marks
483 (defcustom gnus-spam-mark ?$
484 "*Mark used for spam articles."
485 :group 'gnus-summary-marks
488 (defcustom gnus-souped-mark ?F
489 "*Mark used for souped articles."
490 :group 'gnus-summary-marks
493 (defcustom gnus-kill-file-mark ?X
494 "*Mark used for articles killed by kill files."
495 :group 'gnus-summary-marks
498 (defcustom gnus-low-score-mark ?Y
499 "*Mark used for articles with a low score."
500 :group 'gnus-summary-marks
503 (defcustom gnus-catchup-mark ?C
504 "*Mark used for articles that are caught up."
505 :group 'gnus-summary-marks
508 (defcustom gnus-replied-mark ?A
509 "*Mark used for articles that have been replied to."
510 :group 'gnus-summary-marks
513 (defcustom gnus-forwarded-mark ?F
514 "*Mark used for articles that have been forwarded."
515 :group 'gnus-summary-marks
518 (defcustom gnus-recent-mark ?N
519 "*Mark used for articles that are recent."
520 :group 'gnus-summary-marks
523 (defcustom gnus-cached-mark ?*
524 "*Mark used for articles that are in the cache."
525 :group 'gnus-summary-marks
528 (defcustom gnus-saved-mark ?S
529 "*Mark used for articles that have been saved."
530 :group 'gnus-summary-marks
533 (defcustom gnus-unseen-mark ?.
534 "*Mark used for articles that haven't been seen."
535 :group 'gnus-summary-marks
538 (defcustom gnus-no-mark ?\ ;;;Whitespace
539 "*Mark used for articles that have no other secondary mark."
540 :group 'gnus-summary-marks
543 (defcustom gnus-ancient-mark ?O
544 "*Mark used for ancient articles."
545 :group 'gnus-summary-marks
548 (defcustom gnus-sparse-mark ?Q
549 "*Mark used for sparsely reffed articles."
550 :group 'gnus-summary-marks
553 (defcustom gnus-canceled-mark ?G
554 "*Mark used for canceled articles."
555 :group 'gnus-summary-marks
558 (defcustom gnus-duplicate-mark ?M
559 "*Mark used for duplicate articles."
560 :group 'gnus-summary-marks
563 (defcustom gnus-undownloaded-mark ?-
564 "*Mark used for articles that weren't downloaded."
565 :group 'gnus-summary-marks
568 (defcustom gnus-downloaded-mark ?+
569 "*Mark used for articles that were downloaded."
570 :group 'gnus-summary-marks
573 (defcustom gnus-downloadable-mark ?%
574 "*Mark used for articles that are to be downloaded."
575 :group 'gnus-summary-marks
578 (defcustom gnus-unsendable-mark ?=
579 "*Mark used for articles that won't be sent."
580 :group 'gnus-summary-marks
583 (defcustom gnus-score-over-mark ?+
584 "*Score mark used for articles with high scores."
585 :group 'gnus-summary-marks
588 (defcustom gnus-score-below-mark ?-
589 "*Score mark used for articles with low scores."
590 :group 'gnus-summary-marks
593 (defcustom gnus-empty-thread-mark ?\ ;;;Whitespace
594 "*There is no thread under the article."
595 :group 'gnus-summary-marks
598 (defcustom gnus-not-empty-thread-mark ?=
599 "*There is a thread under the article."
600 :group 'gnus-summary-marks
603 (defcustom gnus-view-pseudo-asynchronously nil
604 "*If non-nil, Gnus will view pseudo-articles asynchronously."
605 :group 'gnus-extract-view
608 (defcustom gnus-auto-expirable-marks
609 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
610 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
611 gnus-souped-mark gnus-duplicate-mark)
612 "*The list of marks converted into expiration if a group is auto-expirable."
615 :type '(repeat character))
617 (defcustom gnus-inhibit-user-auto-expire t
618 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
623 (defcustom gnus-view-pseudos nil
624 "*If `automatic', pseudo-articles will be viewed automatically.
625 If `not-confirm', pseudos will be viewed automatically, and the user
626 will not be asked to confirm the command."
627 :group 'gnus-extract-view
628 :type '(choice (const :tag "off" nil)
630 (const not-confirm)))
632 (defcustom gnus-view-pseudos-separately t
633 "*If non-nil, one pseudo-article will be created for each file to be viewed.
634 If nil, all files that use the same viewing command will be given as a
635 list of parameters to that command."
636 :group 'gnus-extract-view
639 (defcustom gnus-insert-pseudo-articles t
640 "*If non-nil, insert pseudo-articles when decoding articles."
641 :group 'gnus-extract-view
644 (defcustom gnus-summary-dummy-line-format
646 "*The format specification for the dummy roots in the summary buffer.
647 It works along the same lines as a normal formatting string,
648 with some simple extensions.
652 General format specifiers can also be used.
653 See `(gnus)Formatting Variables'."
654 :link '(custom-manual "(gnus)Formatting Variables")
655 :group 'gnus-threading
658 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
659 "*The format specification for the summary mode line.
660 It works along the same lines as a normal formatting string,
661 with some simple extensions:
664 %p Unprefixed group name
665 %A Current article number
666 %z Current article score
668 %U Number of unread articles in the group
669 %e Number of unselected articles in the group
670 %Z A string with unread/unselected article counts
671 %g Shortish group name
672 %S Subject of the current article
674 %s Current score file name
675 %d Number of dormant articles
676 %r Number of articles that have been marked as read in this session
677 %E Number of articles expunged by the score files"
678 :group 'gnus-summary-format
681 (defcustom gnus-list-identifiers nil
682 "Regexp that matches list identifiers to be removed from subject.
683 This can also be a list of regexps."
685 :group 'gnus-summary-format
686 :group 'gnus-article-hiding
687 :type '(choice (const :tag "none" nil)
689 (repeat :value (".*") regexp)))
691 (defcustom gnus-summary-mark-below 0
692 "*Mark all articles with a score below this variable as read.
693 This variable is local to each summary buffer and usually set by the
695 :group 'gnus-score-default
698 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
699 "*List of functions used for sorting articles in the summary buffer.
701 Each function takes two articles and returns non-nil if the first
702 article should be sorted before the other. If you use more than one
703 function, the primary sort function should be the last. You should
704 probably always include `gnus-article-sort-by-number' in the list of
705 sorting functions -- preferably first. Also note that sorting by date
706 is often much slower than sorting by number, and the sorting order is
707 very similar. (Sorting by date means sorting by the time the message
708 was sent, sorting by number means sorting by arrival time.)
710 Ready-made functions include `gnus-article-sort-by-number',
711 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
712 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
713 and `gnus-article-sort-by-score'.
715 When threading is turned on, the variable `gnus-thread-sort-functions'
716 controls how articles are sorted."
717 :group 'gnus-summary-sort
718 :type '(repeat (choice (function-item gnus-article-sort-by-number)
719 (function-item gnus-article-sort-by-author)
720 (function-item gnus-article-sort-by-subject)
721 (function-item gnus-article-sort-by-date)
722 (function-item gnus-article-sort-by-score)
723 (function-item gnus-article-sort-by-random)
724 (function :tag "other"))))
726 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
727 "*List of functions used for sorting threads in the summary buffer.
728 By default, threads are sorted by article number.
730 Each function takes two threads and returns non-nil if the first
731 thread should be sorted before the other. If you use more than one
732 function, the primary sort function should be the last. You should
733 probably always include `gnus-thread-sort-by-number' in the list of
734 sorting functions -- preferably first. Also note that sorting by date
735 is often much slower than sorting by number, and the sorting order is
736 very similar. (Sorting by date means sorting by the time the message
737 was sent, sorting by number means sorting by arrival time.)
739 Ready-made functions include `gnus-thread-sort-by-number',
740 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
741 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
742 `gnus-thread-sort-by-most-recent-number',
743 `gnus-thread-sort-by-most-recent-date',
744 `gnus-thread-sort-by-random', and
745 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
747 When threading is turned off, the variable
748 `gnus-article-sort-functions' controls how articles are sorted."
749 :group 'gnus-summary-sort
750 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
751 (function-item gnus-thread-sort-by-author)
752 (function-item gnus-thread-sort-by-subject)
753 (function-item gnus-thread-sort-by-date)
754 (function-item gnus-thread-sort-by-score)
755 (function-item gnus-thread-sort-by-total-score)
756 (function-item gnus-thread-sort-by-random)
757 (function :tag "other"))))
759 (defcustom gnus-thread-score-function '+
760 "*Function used for calculating the total score of a thread.
762 The function is called with the scores of the article and each
763 subthread and should then return the score of the thread.
765 Some functions you can use are `+', `max', or `min'."
766 :group 'gnus-summary-sort
769 (defcustom gnus-summary-expunge-below nil
770 "All articles that have a score less than this variable will be expunged.
771 This variable is local to the summary buffers."
772 :group 'gnus-score-default
773 :type '(choice (const :tag "off" nil)
776 (defcustom gnus-thread-expunge-below nil
777 "All threads that have a total score less than this variable will be expunged.
778 See `gnus-thread-score-function' for en explanation of what a
781 This variable is local to the summary buffers."
782 :group 'gnus-threading
783 :group 'gnus-score-default
784 :type '(choice (const :tag "off" nil)
787 (defcustom gnus-summary-mode-hook nil
788 "*A hook for Gnus summary mode.
789 This hook is run before any variables are set in the summary buffer."
790 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
791 :group 'gnus-summary-various
794 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
795 (when (featurep 'xemacs)
796 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
797 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
798 (add-hook 'gnus-summary-mode-hook
799 'gnus-xmas-switch-horizontal-scrollbar-off))
801 (defcustom gnus-summary-menu-hook nil
802 "*Hook run after the creation of the summary mode menu."
803 :group 'gnus-summary-visual
806 (defcustom gnus-summary-exit-hook nil
807 "*A hook called on exit from the summary buffer.
808 It will be called with point in the group buffer."
809 :group 'gnus-summary-exit
812 (defcustom gnus-summary-prepare-hook nil
813 "*A hook called after the summary buffer has been generated.
814 If you want to modify the summary buffer, you can use this hook."
815 :group 'gnus-summary-various
818 (defcustom gnus-summary-prepared-hook nil
819 "*A hook called as the last thing after the summary buffer has been generated."
820 :group 'gnus-summary-various
823 (defcustom gnus-summary-generate-hook nil
824 "*A hook run just before generating the summary buffer.
825 This hook is commonly used to customize threading variables and the
827 :group 'gnus-summary-various
830 (defcustom gnus-select-group-hook nil
831 "*A hook called when a newsgroup is selected.
833 If you'd like to simplify subjects like the
834 `gnus-summary-next-same-subject' command does, you can use the
837 (add-hook gnus-select-group-hook
839 (mapcar (lambda (header)
840 (mail-header-set-subject
842 (gnus-simplify-subject
843 (mail-header-subject header) 're-only)))
844 gnus-newsgroup-headers)))"
845 :group 'gnus-group-select
848 (defcustom gnus-select-article-hook nil
849 "*A hook called when an article is selected."
850 :group 'gnus-summary-choose
851 :options '(gnus-agent-fetch-selected-article)
854 (defcustom gnus-visual-mark-article-hook
855 (list 'gnus-highlight-selected-summary)
856 "*Hook run after selecting an article in the summary buffer.
857 It is meant to be used for highlighting the article in some way. It
858 is not run if `gnus-visual' is nil."
859 :group 'gnus-summary-visual
862 (defcustom gnus-parse-headers-hook '(gnus-summary-inherit-default-charset)
863 "*A hook called before parsing the headers."
867 (defcustom gnus-exit-group-hook nil
868 "*A hook called when exiting summary mode.
869 This hook is not called from the non-updating exit commands like `Q'."
873 (defcustom gnus-summary-update-hook
874 (list 'gnus-summary-highlight-line)
875 "*A hook called when a summary line is changed.
876 The hook will not be called if `gnus-visual' is nil.
878 The default function `gnus-summary-highlight-line' will
879 highlight the line according to the `gnus-summary-highlight'
881 :group 'gnus-summary-visual
884 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
885 "*A hook called when an article is selected for the first time.
886 The hook is intended to mark an article as read (or unread)
887 automatically when it is selected."
888 :group 'gnus-summary-choose
891 (defcustom gnus-group-no-more-groups-hook nil
892 "*A hook run when returning to group mode having no more (unread) groups."
893 :group 'gnus-group-select
896 (defcustom gnus-ps-print-hook nil
897 "*A hook run before ps-printing something from Gnus."
901 (defcustom gnus-summary-article-move-hook nil
902 "*A hook called after an article is moved, copied, respooled, or crossposted."
906 (defcustom gnus-summary-article-delete-hook nil
907 "*A hook called after an article is deleted."
911 (defcustom gnus-summary-article-expire-hook nil
912 "*A hook called after an article is expired."
916 (defcustom gnus-summary-display-arrow
917 (and (fboundp 'display-graphic-p)
919 "*If non-nil, display an arrow highlighting the current article."
924 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
925 "Face used for highlighting the current article in the summary buffer."
926 :group 'gnus-summary-visual
929 (defvar gnus-tmp-downloaded nil)
931 (defcustom gnus-summary-highlight
932 '(((eq mark gnus-canceled-mark)
933 . gnus-summary-cancelled-face)
934 ((and uncached (> score default-high))
935 . gnus-summary-high-undownloaded-face)
936 ((and uncached (< score default-low))
937 . gnus-summary-low-undownloaded-face)
939 . gnus-summary-normal-undownloaded-face)
940 ((and (> score default-high)
941 (or (eq mark gnus-dormant-mark)
942 (eq mark gnus-ticked-mark)))
943 . gnus-summary-high-ticked-face)
944 ((and (< score default-low)
945 (or (eq mark gnus-dormant-mark)
946 (eq mark gnus-ticked-mark)))
947 . gnus-summary-low-ticked-face)
948 ((or (eq mark gnus-dormant-mark)
949 (eq mark gnus-ticked-mark))
950 . gnus-summary-normal-ticked-face)
951 ((and (> score default-high) (eq mark gnus-ancient-mark))
952 . gnus-summary-high-ancient-face)
953 ((and (< score default-low) (eq mark gnus-ancient-mark))
954 . gnus-summary-low-ancient-face)
955 ((eq mark gnus-ancient-mark)
956 . gnus-summary-normal-ancient-face)
957 ((and (> score default-high) (eq mark gnus-unread-mark))
958 . gnus-summary-high-unread-face)
959 ((and (< score default-low) (eq mark gnus-unread-mark))
960 . gnus-summary-low-unread-face)
961 ((eq mark gnus-unread-mark)
962 . gnus-summary-normal-unread-face)
963 ((> score default-high)
964 . gnus-summary-high-read-face)
965 ((< score default-low)
966 . gnus-summary-low-read-face)
968 . gnus-summary-normal-read-face))
969 "*Controls the highlighting of summary buffer lines.
971 A list of (FORM . FACE) pairs. When deciding how a a particular
972 summary line should be displayed, each form is evaluated. The content
973 of the face field after the first true form is used. You can change
974 how those summary lines are displayed, by editing the face field.
976 You can use the following variables in the FORM field.
978 score: The article's score
979 default: The default article score.
980 default-high: The default score for high scored articles.
981 default-low: The default score for low scored articles.
982 below: The score below which articles are automatically marked as read.
983 mark: The article's mark.
984 uncached: Non-nil if the article is uncached."
985 :group 'gnus-summary-visual
986 :type '(repeat (cons (sexp :tag "Form" nil)
989 (defcustom gnus-alter-header-function nil
990 "Function called to allow alteration of article header structures.
991 The function is called with one parameter, the article header vector,
992 which it may alter in any way."
993 :type '(choice (const :tag "None" nil)
995 :group 'gnus-summary)
997 (defvar gnus-decode-encoded-word-function
998 (mime-find-field-decoder 'From 'nov)
999 "Variable that says which function should be used to decode a string with encoded words.")
1001 (defcustom gnus-extra-headers '(To Newsgroups)
1002 "*Extra headers to parse."
1004 :group 'gnus-summary
1005 :type '(repeat symbol))
1007 (defcustom gnus-ignored-from-addresses
1008 (and user-mail-address (regexp-quote user-mail-address))
1009 "*Regexp of From headers that may be suppressed in favor of To headers."
1011 :group 'gnus-summary
1014 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1015 "List of charsets that should be ignored.
1016 When these charsets are used in the \"charset\" parameter, the
1017 default charset will be used instead."
1019 :type '(repeat symbol)
1020 :group 'gnus-charset)
1022 (gnus-define-group-parameter
1026 "Return the ignored charsets of GROUP."
1027 :variable gnus-group-ignored-charsets-alist
1029 '(("alt\\.chinese\\.text" iso-8859-1))
1031 "Alist of regexps (to match group names) and charsets that should be ignored.
1032 When these charsets are used in the \"charset\" parameter, the
1033 default charset will be used instead."
1034 :variable-group gnus-charset
1035 :variable-type '(repeat (cons (regexp :tag "Group")
1037 :parameter-type '(choice :tag "Ignored charsets"
1040 :parameter-document "\
1041 List of charsets that should be ignored.
1043 When these charsets are used in the \"charset\" parameter, the
1044 default charset will be used instead.")
1046 (defcustom gnus-group-highlight-words-alist nil
1047 "Alist of group regexps and highlight regexps.
1048 This variable uses the same syntax as `gnus-emphasis-alist'."
1050 :type '(repeat (cons (regexp :tag "Group")
1051 (repeat (list (regexp :tag "Highlight regexp")
1052 (number :tag "Group for entire word" 0)
1053 (number :tag "Group for displayed part" 0)
1055 gnus-emphasis-highlight-words)))))
1056 :group 'gnus-summary-visual)
1058 (defcustom gnus-use-wheel nil
1059 "Use Intelli-mouse on summary movement"
1061 :group 'gnus-summary-maneuvering)
1063 (defcustom gnus-wheel-scroll-amount '(5 . 1)
1064 "Amount to scroll messages by spinning the mouse wheel.
1065 This is actually a cons cell, where the first item is the amount to scroll
1066 on a normal wheel event, and the second is the amount to scroll when the
1067 wheel is moved with the shift key depressed."
1068 :type '(cons (integer :tag "Shift") integer)
1069 :group 'gnus-summary-maneuvering)
1071 (defcustom gnus-wheel-edge-resistance 2
1072 "How hard it should be to change the current article
1073 by moving the mouse over the edge of the article window."
1075 :group 'gnus-summary-maneuvering)
1077 (defcustom gnus-summary-show-article-charset-alist
1079 "Alist of number and charset.
1080 The article will be shown with the charset corresponding to the
1082 For example: ((1 . cn-gb-2312) (2 . big5))."
1084 :type '(repeat (cons (number :tag "Argument" 1)
1085 (symbol :tag "Charset")))
1086 :group 'gnus-charset)
1088 (defcustom gnus-preserve-marks t
1089 "Whether marks are preserved when moving, copying and respooling messages."
1092 :group 'gnus-summary-marks)
1094 (defcustom gnus-alter-articles-to-read-function nil
1095 "Function to be called to alter the list of articles to be selected."
1096 :type '(choice (const nil) function)
1097 :group 'gnus-summary)
1099 (defcustom gnus-orphan-score nil
1100 "*All orphans get this score added. Set in the score file."
1101 :group 'gnus-score-default
1102 :type '(choice (const nil)
1105 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1106 "*A regexp to match MIME parts when saving multiple parts of a
1107 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1108 This regexp will be used by default when prompting the user for which
1109 type of files to save."
1110 :group 'gnus-summary
1113 (defcustom gnus-read-all-available-headers nil
1114 "Whether Gnus should parse all headers made available to it.
1115 This is mostly relevant for slow back ends where the user may
1116 wish to widen the summary buffer to include all headers
1117 that were fetched. Say, for nnultimate groups."
1118 :group 'gnus-summary
1119 :type '(choice boolean regexp))
1121 (defcustom gnus-summary-muttprint-program "muttprint"
1122 "Command (and optional arguments) used to run Muttprint."
1124 :group 'gnus-summary
1127 (defcustom gnus-article-loose-mime nil
1128 "If non-nil, don't require MIME-Version header.
1129 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1130 supply the MIME-Version header or deliberately strip it From the mail.
1131 Set it to non-nil, Gnus will treat some articles as MIME even if
1132 the MIME-Version header is missed."
1135 :group 'gnus-article-mime)
1137 (defcustom gnus-article-emulate-mime t
1138 "If non-nil, use MIME emulation for uuencode and the like.
1139 This means that Gnus will search message bodies for text that look
1140 like uuencoded bits, yEncoded bits, and so on, and present that using
1141 the normal Gnus MIME machinery."
1143 :group 'gnus-article-mime)
1145 ;;; Internal variables
1147 (defvar gnus-summary-display-cache nil)
1148 (defvar gnus-article-mime-handles nil)
1149 (defvar gnus-article-decoded-p nil)
1150 (defvar gnus-article-charset nil)
1151 (defvar gnus-article-ignored-charsets nil)
1152 (defvar gnus-scores-exclude-files nil)
1153 (defvar gnus-page-broken nil)
1155 (defvar gnus-original-article nil)
1156 (defvar gnus-article-internal-prepare-hook nil)
1157 (defvar gnus-newsgroup-process-stack nil)
1159 (defvar gnus-thread-indent-array nil)
1160 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1161 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1162 "Function called to sort the articles within a thread after it has been gathered together.")
1164 (defvar gnus-summary-save-parts-type-history nil)
1165 (defvar gnus-summary-save-parts-last-directory nil)
1167 ;; Avoid highlighting in kill files.
1168 (defvar gnus-summary-inhibit-highlight nil)
1169 (defvar gnus-newsgroup-selected-overlay nil)
1170 (defvar gnus-inhibit-limiting nil)
1171 (defvar gnus-newsgroup-adaptive-score-file nil)
1172 (defvar gnus-current-score-file nil)
1173 (defvar gnus-current-move-group nil)
1174 (defvar gnus-current-copy-group nil)
1175 (defvar gnus-current-crosspost-group nil)
1176 (defvar gnus-newsgroup-display nil)
1178 (defvar gnus-newsgroup-dependencies nil)
1179 (defvar gnus-newsgroup-adaptive nil)
1180 (defvar gnus-summary-display-article-function nil)
1181 (defvar gnus-summary-highlight-line-function nil
1182 "Function called after highlighting a summary line.")
1184 (defvar gnus-summary-line-format-alist
1185 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1186 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1187 (?s gnus-tmp-subject-or-nil ?s)
1188 (?n gnus-tmp-name ?s)
1189 (?A (std11-address-string
1190 (car (mime-entity-read-field gnus-tmp-header 'From))) ?s)
1191 (?a (or (std11-full-name-string
1192 (car (mime-entity-read-field gnus-tmp-header 'From)))
1194 (?F gnus-tmp-from ?s)
1195 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1196 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1197 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1198 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1199 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1200 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1201 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1202 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1203 (?L gnus-tmp-lines ?s)
1204 (?O gnus-tmp-downloaded ?c)
1205 (?I gnus-tmp-indentation ?s)
1206 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1207 (?R gnus-tmp-replied ?c)
1208 (?\[ gnus-tmp-opening-bracket ?c)
1209 (?\] gnus-tmp-closing-bracket ?c)
1210 (?\> (make-string gnus-tmp-level ? ) ?s)
1211 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1212 (?i gnus-tmp-score ?d)
1213 (?z gnus-tmp-score-char ?c)
1214 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1215 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1216 (?U gnus-tmp-unread ?c)
1217 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1219 (?t (gnus-summary-number-of-articles-in-thread
1220 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1222 (?e (gnus-summary-number-of-articles-in-thread
1223 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1225 (?u gnus-tmp-user-defined ?s)
1226 (?P (gnus-pick-line-number) ?d)
1227 (?B gnus-tmp-thread-tree-header-string ?s)
1228 (user-date (gnus-user-date
1229 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1230 "An alist of format specifications that can appear in summary lines.
1231 These are paired with what variables they correspond with, along with
1232 the type of the variable (string, integer, character, etc).")
1234 (defvar gnus-summary-dummy-line-format-alist
1235 `((?S gnus-tmp-subject ?s)
1236 (?N gnus-tmp-number ?d)
1237 (?u gnus-tmp-user-defined ?s)))
1239 (defvar gnus-summary-mode-line-format-alist
1240 `((?G gnus-tmp-group-name ?s)
1241 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1242 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1243 (?A gnus-tmp-article-number ?d)
1244 (?Z gnus-tmp-unread-and-unselected ?s)
1245 (?V gnus-version ?s)
1246 (?U gnus-tmp-unread-and-unticked ?d)
1247 (?S gnus-tmp-subject ?s)
1248 (?e gnus-tmp-unselected ?d)
1249 (?u gnus-tmp-user-defined ?s)
1250 (?d (length gnus-newsgroup-dormant) ?d)
1251 (?t (length gnus-newsgroup-marked) ?d)
1252 (?h (length gnus-newsgroup-spam-marked) ?d)
1253 (?r (length gnus-newsgroup-reads) ?d)
1254 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1255 (?E gnus-newsgroup-expunged-tally ?d)
1256 (?s (gnus-current-score-file-nondirectory) ?s)))
1258 (defvar gnus-last-search-regexp nil
1259 "Default regexp for article search command.")
1261 (defvar gnus-summary-search-article-matched-data nil
1262 "Last matched data of article search command. It is the local variable
1263 in `gnus-article-buffer' which consists of the list of start position,
1264 end position and text.")
1266 (defvar gnus-last-shell-command nil
1267 "Default shell command on article.")
1269 (defvar gnus-newsgroup-agentized nil
1270 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1271 (defvar gnus-newsgroup-begin nil)
1272 (defvar gnus-newsgroup-end nil)
1273 (defvar gnus-newsgroup-last-rmail nil)
1274 (defvar gnus-newsgroup-last-mail nil)
1275 (defvar gnus-newsgroup-last-folder nil)
1276 (defvar gnus-newsgroup-last-file nil)
1277 (defvar gnus-newsgroup-auto-expire nil)
1278 (defvar gnus-newsgroup-active nil)
1280 (defvar gnus-newsgroup-data nil)
1281 (defvar gnus-newsgroup-data-reverse nil)
1282 (defvar gnus-newsgroup-limit nil)
1283 (defvar gnus-newsgroup-limits nil)
1284 (defvar gnus-summary-use-undownloaded-faces nil)
1286 (defvar gnus-newsgroup-unreads nil
1287 "Sorted list of unread articles in the current newsgroup.")
1289 (defvar gnus-newsgroup-unselected nil
1290 "Sorted list of unselected unread articles in the current newsgroup.")
1292 (defvar gnus-newsgroup-reads nil
1293 "Alist of read articles and article marks in the current newsgroup.")
1295 (defvar gnus-newsgroup-expunged-tally nil)
1297 (defvar gnus-newsgroup-marked nil
1298 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1300 (defvar gnus-newsgroup-spam-marked nil
1301 "List of ranges of articles that have been marked as spam.")
1303 (defvar gnus-newsgroup-killed nil
1304 "List of ranges of articles that have been through the scoring process.")
1306 (defvar gnus-newsgroup-cached nil
1307 "Sorted list of articles that come from the article cache.")
1309 (defvar gnus-newsgroup-saved nil
1310 "List of articles that have been saved.")
1312 (defvar gnus-newsgroup-kill-headers nil)
1314 (defvar gnus-newsgroup-replied nil
1315 "List of articles that have been replied to in the current newsgroup.")
1317 (defvar gnus-newsgroup-forwarded nil
1318 "List of articles that have been forwarded in the current newsgroup.")
1320 (defvar gnus-newsgroup-recent nil
1321 "List of articles that have are recent in the current newsgroup.")
1323 (defvar gnus-newsgroup-expirable nil
1324 "Sorted list of articles in the current newsgroup that can be expired.")
1326 (defvar gnus-newsgroup-processable nil
1327 "List of articles in the current newsgroup that can be processed.")
1329 (defvar gnus-newsgroup-downloadable nil
1330 "Sorted list of articles in the current newsgroup that can be processed.")
1332 (defvar gnus-newsgroup-unfetched nil
1333 "Sorted list of articles in the current newsgroup whose headers have
1334 not been fetched into the agent.
1336 This list will always be a subset of gnus-newsgroup-undownloaded.")
1338 (defvar gnus-newsgroup-undownloaded nil
1339 "List of articles in the current newsgroup that haven't been downloaded.")
1341 (defvar gnus-newsgroup-unsendable nil
1342 "List of articles in the current newsgroup that won't be sent.")
1344 (defvar gnus-newsgroup-bookmarks nil
1345 "List of articles in the current newsgroup that have bookmarks.")
1347 (defvar gnus-newsgroup-dormant nil
1348 "Sorted list of dormant articles in the current newsgroup.")
1350 (defvar gnus-newsgroup-unseen nil
1351 "List of unseen articles in the current newsgroup.")
1353 (defvar gnus-newsgroup-seen nil
1354 "Range of seen articles in the current newsgroup.")
1356 (defvar gnus-newsgroup-articles nil
1357 "List of articles in the current newsgroup.")
1359 (defvar gnus-newsgroup-scored nil
1360 "List of scored articles in the current newsgroup.")
1362 (defvar gnus-newsgroup-incorporated nil
1363 "List of incorporated articles in the current newsgroup.")
1365 (defvar gnus-newsgroup-headers nil
1366 "List of article headers in the current newsgroup.")
1368 (defvar gnus-newsgroup-threads nil)
1370 (defvar gnus-newsgroup-prepared nil
1371 "Whether the current group has been prepared properly.")
1373 (defvar gnus-newsgroup-ancient nil
1374 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1376 (defvar gnus-newsgroup-sparse nil)
1378 (defvar gnus-current-article nil)
1379 (defvar gnus-article-current nil)
1380 (defvar gnus-current-headers nil)
1381 (defvar gnus-have-all-headers nil)
1382 (defvar gnus-last-article nil)
1383 (defvar gnus-newsgroup-history nil)
1384 (defvar gnus-newsgroup-charset nil)
1385 (defvar gnus-newsgroup-ephemeral-charset nil)
1386 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1388 (defvar gnus-article-before-search nil)
1390 (defvar gnus-summary-local-variables
1391 '(gnus-newsgroup-name
1392 gnus-newsgroup-begin gnus-newsgroup-end
1393 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1394 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1395 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1396 gnus-newsgroup-unselected gnus-newsgroup-marked
1397 gnus-newsgroup-spam-marked
1398 gnus-newsgroup-reads gnus-newsgroup-saved
1399 gnus-newsgroup-replied gnus-newsgroup-forwarded
1400 gnus-newsgroup-recent
1401 gnus-newsgroup-expirable
1402 gnus-newsgroup-processable gnus-newsgroup-killed
1403 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1404 gnus-newsgroup-unfetched
1405 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1406 gnus-newsgroup-seen gnus-newsgroup-articles
1407 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1408 gnus-newsgroup-headers gnus-newsgroup-threads
1409 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1410 gnus-current-article gnus-current-headers gnus-have-all-headers
1411 gnus-last-article gnus-article-internal-prepare-hook
1412 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1413 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1414 gnus-thread-expunge-below
1415 gnus-score-alist gnus-current-score-file
1416 (gnus-summary-expunge-below . global)
1417 (gnus-summary-mark-below . global)
1418 (gnus-orphan-score . global)
1419 gnus-newsgroup-active gnus-scores-exclude-files
1420 gnus-newsgroup-history gnus-newsgroup-ancient
1421 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1422 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1423 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1424 (gnus-newsgroup-expunged-tally . 0)
1425 gnus-cache-removable-articles gnus-newsgroup-cached
1426 gnus-newsgroup-data gnus-newsgroup-data-reverse
1427 gnus-newsgroup-limit gnus-newsgroup-limits
1428 gnus-newsgroup-charset gnus-newsgroup-display
1429 gnus-summary-use-undownloaded-faces
1430 gnus-newsgroup-incorporated)
1431 "Variables that are buffer-local to the summary buffers.")
1433 (defvar gnus-newsgroup-variables nil
1434 "A list of variables that have separate values in different newsgroups.
1435 A list of newsgroup (summary buffer) local variables, or cons of
1436 variables and their default values (when the default values are not
1437 nil), that should be made global while the summary buffer is active.
1438 These variables can be used to set variables in the group parameters
1439 while still allowing them to affect operations done in other
1440 buffers. For example:
1442 \(setq gnus-newsgroup-variables
1443 '(message-use-followup-to
1444 (gnus-visible-headers .
1445 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1448 ;; Byte-compiler warning.
1450 ;; Bind features so that require will believe that gnus-sum has
1451 ;; already been loaded (avoids infinite recursion)
1452 (let ((features (cons 'gnus-sum features)))
1453 ;; Several of the declarations in gnus-sum are needed to load the
1454 ;; following files. Right now, these definitions have been
1455 ;; compiled but not defined (evaluated). We could either do a
1456 ;; eval-and-compile about all of the declarations or evaluate the
1458 (if (boundp 'gnus-newsgroup-variables)
1460 (load "gnus-sum.el" t t t))
1462 (require 'gnus-agent)
1463 (require 'gnus-art)))
1465 ;; Subject simplification.
1467 (defun gnus-simplify-whitespace (str)
1468 "Remove excessive whitespace from STR."
1470 (while (string-match "[ \t][ \t]+" str)
1471 (setq str (concat (substring str 0 (match-beginning 0))
1473 (substring str (match-end 0)))))
1475 (when (string-match "^[ \t]+" str)
1476 (setq str (substring str (match-end 0))))
1478 (when (string-match "[ \t]+$" str)
1479 (setq str (substring str 0 (match-beginning 0))))
1482 (defun gnus-simplify-all-whitespace (str)
1483 "Remove all whitespace from STR."
1484 (while (string-match "[ \t\n]+" str)
1485 (setq str (replace-match "" nil nil str)))
1488 (defsubst gnus-simplify-subject-re (subject)
1489 "Remove \"Re:\" from subject lines."
1490 (if (string-match message-subject-re-regexp subject)
1491 (substring subject (match-end 0))
1494 (defun gnus-simplify-subject (subject &optional re-only)
1495 "Remove `Re:' and words in parentheses.
1496 If RE-ONLY is non-nil, strip leading `Re:'s only."
1497 (let ((case-fold-search t)) ;Ignore case.
1498 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1499 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1500 (setq subject (substring subject (match-end 0))))
1501 ;; Remove uninteresting prefixes.
1502 (when (and (not re-only)
1503 gnus-simplify-ignored-prefixes
1504 (string-match gnus-simplify-ignored-prefixes subject))
1505 (setq subject (substring subject (match-end 0))))
1506 ;; Remove words in parentheses from end.
1508 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1509 (setq subject (substring subject 0 (match-beginning 0)))))
1510 ;; Return subject string.
1513 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1515 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1516 (goto-char (point-min))
1517 (while (re-search-forward regexp nil t)
1518 (replace-match (or newtext ""))))
1520 (defun gnus-simplify-buffer-fuzzy ()
1521 "Simplify string in the buffer fuzzily.
1522 The string in the accessible portion of the current buffer is simplified.
1523 It is assumed to be a single-line subject.
1524 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1525 matter is removed. Additional things can be deleted by setting
1526 `gnus-simplify-subject-fuzzy-regexp'."
1527 (let ((case-fold-search t)
1529 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1531 (while (not (eq modified-tick (buffer-modified-tick)))
1532 (setq modified-tick (buffer-modified-tick))
1534 ((listp gnus-simplify-subject-fuzzy-regexp)
1535 (mapcar 'gnus-simplify-buffer-fuzzy-step
1536 gnus-simplify-subject-fuzzy-regexp))
1537 (gnus-simplify-subject-fuzzy-regexp
1538 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1539 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1540 (gnus-simplify-buffer-fuzzy-step
1541 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1542 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1544 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1545 (gnus-simplify-buffer-fuzzy-step " +" " ")
1546 (gnus-simplify-buffer-fuzzy-step " $")
1547 (gnus-simplify-buffer-fuzzy-step "^ +")))
1549 (defun gnus-simplify-subject-fuzzy (subject)
1550 "Simplify a subject string fuzzily.
1551 See `gnus-simplify-buffer-fuzzy' for details."
1553 (gnus-set-work-buffer)
1554 (let ((case-fold-search t))
1555 ;; Remove uninteresting prefixes.
1556 (when (and gnus-simplify-ignored-prefixes
1557 (string-match gnus-simplify-ignored-prefixes subject))
1558 (setq subject (substring subject (match-end 0))))
1560 (inline (gnus-simplify-buffer-fuzzy))
1563 (defsubst gnus-simplify-subject-fully (subject)
1564 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1566 (gnus-simplify-subject-functions
1567 (gnus-map-function gnus-simplify-subject-functions subject))
1568 ((null gnus-summary-gather-subject-limit)
1569 (gnus-simplify-subject-re subject))
1570 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1571 (gnus-simplify-subject-fuzzy subject))
1572 ((numberp gnus-summary-gather-subject-limit)
1573 (gnus-limit-string (gnus-simplify-subject-re subject)
1574 gnus-summary-gather-subject-limit))
1578 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1579 "Check whether two subjects are equal.
1580 If optional argument SIMPLE-FIRST is t, first argument is already
1583 ((null simple-first)
1584 (equal (gnus-simplify-subject-fully s1)
1585 (gnus-simplify-subject-fully s2)))
1588 (gnus-simplify-subject-fully s2)))))
1590 (defun gnus-summary-bubble-group ()
1591 "Increase the score of the current group.
1592 This is a handy function to add to `gnus-summary-exit-hook' to
1593 increase the score of each group you read."
1594 (gnus-group-add-score gnus-newsgroup-name))
1598 ;;; Gnus summary mode
1601 (put 'gnus-summary-mode 'mode-class 'special)
1603 (defvar gnus-article-commands-menu)
1605 ;; Non-orthogonal keys
1607 (gnus-define-keys gnus-summary-mode-map
1608 " " gnus-summary-next-page
1609 "\177" gnus-summary-prev-page
1610 [delete] gnus-summary-prev-page
1611 [backspace] gnus-summary-prev-page
1612 "\r" gnus-summary-scroll-up
1613 "\M-\r" gnus-summary-scroll-down
1614 "n" gnus-summary-next-unread-article
1615 "p" gnus-summary-prev-unread-article
1616 "N" gnus-summary-next-article
1617 "P" gnus-summary-prev-article
1618 "\M-\C-n" gnus-summary-next-same-subject
1619 "\M-\C-p" gnus-summary-prev-same-subject
1620 "\M-n" gnus-summary-next-unread-subject
1621 "\M-p" gnus-summary-prev-unread-subject
1622 "." gnus-summary-first-unread-article
1623 "," gnus-summary-best-unread-article
1624 "\M-s" gnus-summary-search-article-forward
1625 "\M-r" gnus-summary-search-article-backward
1626 "<" gnus-summary-beginning-of-article
1627 ">" gnus-summary-end-of-article
1628 "j" gnus-summary-goto-article
1629 "^" gnus-summary-refer-parent-article
1630 "\M-^" gnus-summary-refer-article
1631 "u" gnus-summary-tick-article-forward
1632 "!" gnus-summary-tick-article-forward
1633 "U" gnus-summary-tick-article-backward
1634 "d" gnus-summary-mark-as-read-forward
1635 "D" gnus-summary-mark-as-read-backward
1636 "E" gnus-summary-mark-as-expirable
1637 "\M-u" gnus-summary-clear-mark-forward
1638 "\M-U" gnus-summary-clear-mark-backward
1639 "k" gnus-summary-kill-same-subject-and-select
1640 "\C-k" gnus-summary-kill-same-subject
1641 "\M-\C-k" gnus-summary-kill-thread
1642 "\M-\C-l" gnus-summary-lower-thread
1643 "e" gnus-summary-edit-article
1644 "#" gnus-summary-mark-as-processable
1645 "\M-#" gnus-summary-unmark-as-processable
1646 "\M-\C-t" gnus-summary-toggle-threads
1647 "\M-\C-s" gnus-summary-show-thread
1648 "\M-\C-h" gnus-summary-hide-thread
1649 "\M-\C-f" gnus-summary-next-thread
1650 "\M-\C-b" gnus-summary-prev-thread
1651 [(meta down)] gnus-summary-next-thread
1652 [(meta up)] gnus-summary-prev-thread
1653 "\M-\C-u" gnus-summary-up-thread
1654 "\M-\C-d" gnus-summary-down-thread
1655 "&" gnus-summary-execute-command
1656 "c" gnus-summary-catchup-and-exit
1657 "\C-w" gnus-summary-mark-region-as-read
1658 "\C-t" gnus-summary-toggle-truncation
1659 "?" gnus-summary-mark-as-dormant
1660 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1661 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1662 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1663 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1664 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1665 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1666 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1667 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1668 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1669 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1670 "=" gnus-summary-expand-window
1671 "\C-x\C-s" gnus-summary-reselect-current-group
1672 "\M-g" gnus-summary-rescan-group
1673 "w" gnus-summary-stop-page-breaking
1674 "\C-c\C-r" gnus-summary-caesar-message
1675 "\M-t" gnus-summary-toggle-mime
1676 "f" gnus-summary-followup
1677 "F" gnus-summary-followup-with-original
1678 "C" gnus-summary-cancel-article
1679 "r" gnus-summary-reply
1680 "R" gnus-summary-reply-with-original
1681 "\C-c\C-f" gnus-summary-mail-forward
1682 "o" gnus-summary-save-article
1683 "\C-o" gnus-summary-save-article-mail
1684 "|" gnus-summary-pipe-output
1685 "\M-k" gnus-summary-edit-local-kill
1686 "\M-K" gnus-summary-edit-global-kill
1688 "\C-c\C-d" gnus-summary-describe-group
1689 "q" gnus-summary-exit
1690 "Q" gnus-summary-exit-no-update
1691 "\C-c\C-i" gnus-info-find-node
1692 gnus-mouse-2 gnus-mouse-pick-article
1693 "m" gnus-summary-mail-other-window
1694 "a" gnus-summary-post-news
1695 "i" gnus-summary-news-other-window
1696 "x" gnus-summary-limit-to-unread
1697 "s" gnus-summary-isearch-article
1698 "t" gnus-summary-toggle-header
1699 "g" gnus-summary-show-article
1700 "l" gnus-summary-goto-last-article
1701 "v" gnus-summary-preview-mime-message
1702 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1703 "\C-d" gnus-summary-enter-digest-group
1704 "\M-\C-d" gnus-summary-read-document
1705 "\M-\C-e" gnus-summary-edit-parameters
1706 "\M-\C-a" gnus-summary-customize-parameters
1708 "\C-c\C-n" gnus-namazu-search
1709 "*" gnus-cache-enter-article
1710 "\M-*" gnus-cache-remove-article
1711 "\M-&" gnus-summary-universal-argument
1712 "\C-l" gnus-recenter
1713 "I" gnus-summary-increase-score
1714 "L" gnus-summary-lower-score
1715 "\M-i" gnus-symbolic-argument
1716 "h" gnus-summary-select-article-buffer
1718 "V" gnus-summary-score-map
1719 "X" gnus-uu-extract-map
1720 "S" gnus-summary-send-map)
1722 ;; Sort of orthogonal keymap
1723 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1724 "t" gnus-summary-tick-article-forward
1725 "!" gnus-summary-tick-article-forward
1726 "d" gnus-summary-mark-as-read-forward
1727 "r" gnus-summary-mark-as-read-forward
1728 "c" gnus-summary-clear-mark-forward
1729 " " gnus-summary-clear-mark-forward
1730 "e" gnus-summary-mark-as-expirable
1731 "x" gnus-summary-mark-as-expirable
1732 "?" gnus-summary-mark-as-dormant
1733 "b" gnus-summary-set-bookmark
1734 "B" gnus-summary-remove-bookmark
1735 "#" gnus-summary-mark-as-processable
1736 "\M-#" gnus-summary-unmark-as-processable
1737 "S" gnus-summary-limit-include-expunged
1738 "C" gnus-summary-catchup
1739 "H" gnus-summary-catchup-to-here
1740 "h" gnus-summary-catchup-from-here
1741 "\C-c" gnus-summary-catchup-all
1742 "k" gnus-summary-kill-same-subject-and-select
1743 "K" gnus-summary-kill-same-subject
1744 "P" gnus-uu-mark-map)
1746 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1747 "c" gnus-summary-clear-above
1748 "u" gnus-summary-tick-above
1749 "m" gnus-summary-mark-above
1750 "k" gnus-summary-kill-below)
1752 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1753 "/" gnus-summary-limit-to-subject
1754 "n" gnus-summary-limit-to-articles
1755 "w" gnus-summary-pop-limit
1756 "s" gnus-summary-limit-to-subject
1757 "a" gnus-summary-limit-to-author
1758 "u" gnus-summary-limit-to-unread
1759 "m" gnus-summary-limit-to-marks
1760 "M" gnus-summary-limit-exclude-marks
1761 "v" gnus-summary-limit-to-score
1762 "*" gnus-summary-limit-include-cached
1763 "D" gnus-summary-limit-include-dormant
1764 "T" gnus-summary-limit-include-thread
1765 "d" gnus-summary-limit-exclude-dormant
1766 "t" gnus-summary-limit-to-age
1767 "." gnus-summary-limit-to-unseen
1768 "x" gnus-summary-limit-to-extra
1769 "p" gnus-summary-limit-to-display-predicate
1770 "E" gnus-summary-limit-include-expunged
1771 "c" gnus-summary-limit-exclude-childless-dormant
1772 "C" gnus-summary-limit-mark-excluded-as-read
1773 "o" gnus-summary-insert-old-articles
1774 "N" gnus-summary-insert-new-articles
1775 "r" gnus-summary-limit-to-replied)
1777 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1778 "n" gnus-summary-next-unread-article
1779 "p" gnus-summary-prev-unread-article
1780 "N" gnus-summary-next-article
1781 "P" gnus-summary-prev-article
1782 "\C-n" gnus-summary-next-same-subject
1783 "\C-p" gnus-summary-prev-same-subject
1784 "\M-n" gnus-summary-next-unread-subject
1785 "\M-p" gnus-summary-prev-unread-subject
1786 "f" gnus-summary-first-unread-article
1787 "b" gnus-summary-best-unread-article
1788 "j" gnus-summary-goto-article
1789 "g" gnus-summary-goto-subject
1790 "l" gnus-summary-goto-last-article
1791 "o" gnus-summary-pop-article)
1793 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1794 "k" gnus-summary-kill-thread
1795 "l" gnus-summary-lower-thread
1796 "i" gnus-summary-raise-thread
1797 "T" gnus-summary-toggle-threads
1798 "t" gnus-summary-rethread-current
1799 "^" gnus-summary-reparent-thread
1800 "s" gnus-summary-show-thread
1801 "S" gnus-summary-show-all-threads
1802 "h" gnus-summary-hide-thread
1803 "H" gnus-summary-hide-all-threads
1804 "n" gnus-summary-next-thread
1805 "p" gnus-summary-prev-thread
1806 "u" gnus-summary-up-thread
1807 "o" gnus-summary-top-thread
1808 "d" gnus-summary-down-thread
1809 "#" gnus-uu-mark-thread
1810 "\M-#" gnus-uu-unmark-thread)
1812 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1813 "g" gnus-summary-prepare
1814 "c" gnus-summary-insert-cached-articles
1815 "d" gnus-summary-insert-dormant-articles)
1817 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1818 "c" gnus-summary-catchup-and-exit
1819 "C" gnus-summary-catchup-all-and-exit
1820 "E" gnus-summary-exit-no-update
1821 "J" gnus-summary-jump-to-other-group
1822 "Q" gnus-summary-exit
1823 "Z" gnus-summary-exit
1824 "n" gnus-summary-catchup-and-goto-next-group
1825 "R" gnus-summary-reselect-current-group
1826 "G" gnus-summary-rescan-group
1827 "N" gnus-summary-next-group
1828 "s" gnus-summary-save-newsrc
1829 "P" gnus-summary-prev-group)
1831 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1832 " " gnus-summary-next-page
1833 "n" gnus-summary-next-page
1834 "\177" gnus-summary-prev-page
1835 [delete] gnus-summary-prev-page
1836 "p" gnus-summary-prev-page
1837 "\r" gnus-summary-scroll-up
1838 "\M-\r" gnus-summary-scroll-down
1839 "<" gnus-summary-beginning-of-article
1840 ">" gnus-summary-end-of-article
1841 "b" gnus-summary-beginning-of-article
1842 "e" gnus-summary-end-of-article
1843 "^" gnus-summary-refer-parent-article
1844 "r" gnus-summary-refer-parent-article
1845 "D" gnus-summary-enter-digest-group
1846 "R" gnus-summary-refer-references
1847 "T" gnus-summary-refer-thread
1848 "g" gnus-summary-show-article
1849 "s" gnus-summary-isearch-article
1850 "P" gnus-summary-print-article
1851 "M" gnus-mailing-list-insinuate
1852 "t" gnus-article-babel)
1854 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1855 "b" gnus-article-add-buttons
1856 "B" gnus-article-add-buttons-to-head
1857 "o" gnus-article-treat-overstrike
1858 "e" gnus-article-emphasize
1859 "w" gnus-article-fill-cited-article
1860 "Q" gnus-article-fill-long-lines
1861 "C" gnus-article-capitalize-sentences
1862 "c" gnus-article-remove-cr
1863 "Z" gnus-article-decode-HZ
1864 "A" gnus-article-treat-ansi-sequences
1865 "h" gnus-article-wash-html
1866 "u" gnus-article-unsplit-urls
1867 "f" gnus-article-display-x-face
1868 "l" gnus-summary-stop-page-breaking
1869 "r" gnus-summary-caesar-message
1870 "m" gnus-summary-morse-message
1871 "t" gnus-summary-toggle-header
1872 "g" gnus-treat-smiley
1873 "v" gnus-summary-verbose-headers
1874 "m" gnus-summary-toggle-mime
1875 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1876 "p" gnus-article-verify-x-pgp-sig
1877 "d" gnus-article-treat-dumbquotes)
1879 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1880 ;; mnemonic: deuglif*Y*
1881 "u" gnus-article-outlook-unwrap-lines
1882 "a" gnus-article-outlook-repair-attribution
1883 "c" gnus-article-outlook-rearrange-citation
1884 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1886 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1887 "a" gnus-article-hide
1888 "h" gnus-article-hide-headers
1889 "b" gnus-article-hide-boring-headers
1890 "s" gnus-article-hide-signature
1891 "c" gnus-article-hide-citation
1892 "C" gnus-article-hide-citation-in-followups
1893 "l" gnus-article-hide-list-identifiers
1894 "B" gnus-article-strip-banner
1895 "P" gnus-article-hide-pem
1896 "\C-c" gnus-article-hide-citation-maybe)
1898 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1899 "a" gnus-article-highlight
1900 "h" gnus-article-highlight-headers
1901 "c" gnus-article-highlight-citation
1902 "s" gnus-article-highlight-signature)
1904 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1905 "f" gnus-article-treat-fold-headers
1906 "u" gnus-article-treat-unfold-headers
1907 "n" gnus-article-treat-fold-newsgroups)
1909 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1910 "x" gnus-article-display-x-face
1911 "d" gnus-article-display-face
1912 "s" gnus-treat-smiley
1913 "D" gnus-article-remove-images
1914 "f" gnus-treat-from-picon
1915 "m" gnus-treat-mail-picon
1916 "n" gnus-treat-newsgroups-picon)
1918 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1919 "z" gnus-article-date-ut
1920 "u" gnus-article-date-ut
1921 "l" gnus-article-date-local
1922 "p" gnus-article-date-english
1923 "e" gnus-article-date-lapsed
1924 "o" gnus-article-date-original
1925 "i" gnus-article-date-iso8601
1926 "s" gnus-article-date-user)
1928 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1929 "t" gnus-article-remove-trailing-blank-lines
1930 "l" gnus-article-strip-leading-blank-lines
1931 "m" gnus-article-strip-multiple-blank-lines
1932 "a" gnus-article-strip-blank-lines
1933 "A" gnus-article-strip-all-blank-lines
1934 "s" gnus-article-strip-leading-space
1935 "e" gnus-article-strip-trailing-space
1936 "w" gnus-article-remove-leading-whitespace)
1938 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1940 "f" gnus-summary-fetch-faq
1941 "d" gnus-summary-describe-group
1942 "h" gnus-summary-describe-briefly
1943 "i" gnus-info-find-node
1944 "c" gnus-group-fetch-charter
1945 "C" gnus-group-fetch-control)
1947 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1948 "e" gnus-summary-expire-articles
1949 "\M-\C-e" gnus-summary-expire-articles-now
1950 "\177" gnus-summary-delete-article
1951 [delete] gnus-summary-delete-article
1952 [backspace] gnus-summary-delete-article
1953 "m" gnus-summary-move-article
1954 "r" gnus-summary-respool-article
1955 "w" gnus-summary-edit-article
1956 "c" gnus-summary-copy-article
1957 "B" gnus-summary-crosspost-article
1958 "q" gnus-summary-respool-query
1959 "t" gnus-summary-respool-trace
1960 "i" gnus-summary-import-article
1961 "I" gnus-summary-create-article
1962 "p" gnus-summary-article-posted-p)
1964 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1965 "o" gnus-summary-save-article
1966 "m" gnus-summary-save-article-mail
1967 "F" gnus-summary-write-article-file
1968 "r" gnus-summary-save-article-rmail
1969 "f" gnus-summary-save-article-file
1970 "b" gnus-summary-save-article-body-file
1971 "h" gnus-summary-save-article-folder
1972 "v" gnus-summary-save-article-vm
1973 "p" gnus-summary-pipe-output
1974 "P" gnus-summary-muttprint
1975 "s" gnus-soup-add-article)
1977 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1978 "b" gnus-summary-display-buttonized
1979 "m" gnus-summary-repair-multipart
1980 "v" gnus-article-view-part
1981 "o" gnus-article-save-part
1982 "c" gnus-article-copy-part
1983 "C" gnus-article-view-part-as-charset
1984 "e" gnus-article-view-part-externally
1985 "E" gnus-article-encrypt-body
1986 "i" gnus-article-inline-part
1987 "|" gnus-article-pipe-part)
1989 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1990 "p" gnus-summary-mark-as-processable
1991 "u" gnus-summary-unmark-as-processable
1992 "U" gnus-summary-unmark-all-processable
1993 "v" gnus-uu-mark-over
1994 "s" gnus-uu-mark-series
1995 "r" gnus-uu-mark-region
1996 "g" gnus-uu-unmark-region
1997 "R" gnus-uu-mark-by-regexp
1998 "G" gnus-uu-unmark-by-regexp
1999 "t" gnus-uu-mark-thread
2000 "T" gnus-uu-unmark-thread
2001 "a" gnus-uu-mark-all
2002 "b" gnus-uu-mark-buffer
2003 "S" gnus-uu-mark-sparse
2004 "k" gnus-summary-kill-process-mark
2005 "y" gnus-summary-yank-process-mark
2006 "w" gnus-summary-save-process-mark
2007 "i" gnus-uu-invert-processable)
2009 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2010 ;;"x" gnus-uu-extract-any
2011 "m" gnus-summary-save-parts
2012 "u" gnus-uu-decode-uu
2013 "U" gnus-uu-decode-uu-and-save
2014 "s" gnus-uu-decode-unshar
2015 "S" gnus-uu-decode-unshar-and-save
2016 "o" gnus-uu-decode-save
2017 "O" gnus-uu-decode-save
2018 "b" gnus-uu-decode-binhex
2019 "B" gnus-uu-decode-binhex
2020 "p" gnus-uu-decode-postscript
2021 "P" gnus-uu-decode-postscript-and-save)
2024 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2025 "u" gnus-uu-decode-uu-view
2026 "U" gnus-uu-decode-uu-and-save-view
2027 "s" gnus-uu-decode-unshar-view
2028 "S" gnus-uu-decode-unshar-and-save-view
2029 "o" gnus-uu-decode-save-view
2030 "O" gnus-uu-decode-save-view
2031 "b" gnus-uu-decode-binhex-view
2032 "B" gnus-uu-decode-binhex-view
2033 "p" gnus-uu-decode-postscript-view
2034 "P" gnus-uu-decode-postscript-and-save-view)
2036 (defvar gnus-article-post-menu nil)
2038 (defconst gnus-summary-menu-maxlen 20)
2040 (defun gnus-summary-menu-split (menu)
2041 ;; If we have lots of elements, divide them into groups of 20
2042 ;; and make a pane (or submenu) for each one.
2043 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2044 (let ((menu menu) sublists next
2047 ;; Pull off the next gnus-summary-menu-maxlen elements
2048 ;; and make them the next element of sublist.
2049 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2051 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2053 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2054 (aref (car (last menu)) 0)) menu)
2058 (nreverse sublists))
2059 ;; Few elements--put them all in one pane.
2062 (defun gnus-summary-make-menu-bar ()
2063 (gnus-turn-off-edit-menu 'summary)
2065 (unless (boundp 'gnus-summary-misc-menu)
2068 gnus-summary-kill-menu gnus-summary-mode-map ""
2073 ["Customize" gnus-score-customize t])
2074 (gnus-make-score-map 'increase)
2075 (gnus-make-score-map 'lower)
2077 ["Kill below" gnus-summary-kill-below t]
2078 ["Mark above" gnus-summary-mark-above t]
2079 ["Tick above" gnus-summary-tick-above t]
2080 ["Clear above" gnus-summary-clear-above t])
2081 ["Current score" gnus-summary-current-score t]
2082 ["Set score" gnus-summary-set-score t]
2083 ["Switch current score file..." gnus-score-change-score-file t]
2084 ["Set mark below..." gnus-score-set-mark-below t]
2085 ["Set expunge below..." gnus-score-set-expunge-below t]
2086 ["Edit current score file" gnus-score-edit-current-scores t]
2087 ["Edit score file" gnus-score-edit-file t]
2088 ["Trace score" gnus-score-find-trace t]
2089 ["Find words" gnus-score-find-favourite-words t]
2090 ["Rescore buffer" gnus-summary-rescore t]
2091 ["Increase score..." gnus-summary-increase-score t]
2092 ["Lower score..." gnus-summary-lower-score t]))))
2094 ;; Define both the Article menu in the summary buffer and the
2095 ;; equivalent Commands menu in the article buffer here for
2099 ["All" gnus-article-hide t]
2100 ["Headers" gnus-article-hide-headers t]
2101 ["Signature" gnus-article-hide-signature t]
2102 ["Citation" gnus-article-hide-citation t]
2103 ["List identifiers" gnus-article-hide-list-identifiers t]
2104 ["Banner" gnus-article-strip-banner t]
2105 ["Boring headers" gnus-article-hide-boring-headers t])
2107 ["All" gnus-article-highlight t]
2108 ["Headers" gnus-article-highlight-headers t]
2109 ["Signature" gnus-article-highlight-signature t]
2110 ["Citation" gnus-article-highlight-citation t])
2112 ["Local" gnus-article-date-local t]
2113 ["ISO8601" gnus-article-date-iso8601 t]
2114 ["UT" gnus-article-date-ut t]
2115 ["Original" gnus-article-date-original t]
2116 ["Lapsed" gnus-article-date-lapsed t]
2117 ["User-defined" gnus-article-date-user t])
2119 ["Remove images" gnus-article-remove-images t]
2120 ["Toggle smiley" gnus-treat-smiley t]
2121 ["Show X-Face" gnus-article-display-x-face t]
2122 ["Show picons in From" gnus-treat-from-picon t]
2123 ["Show picons in mail headers" gnus-treat-mail-picon t]
2124 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2125 ("View as different encoding"
2126 ,@(gnus-summary-menu-split
2129 ;; Since easymenu under Emacs doesn't allow
2130 ;; lambda forms for menu commands, we should
2131 ;; provide intern'ed function symbols.
2132 (let ((command (intern (format "\
2133 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2137 (let ((gnus-summary-show-article-charset-alist
2139 (gnus-summary-show-article 1))))
2140 `[,(symbol-name cs) ,command t]))
2141 (sort (if (fboundp 'coding-system-list)
2142 (coding-system-list)
2143 ;;(mapcar 'car mm-mime-mule-charset-alist)
2148 ["Leading" gnus-article-strip-leading-blank-lines t]
2149 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2150 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2151 ["All of the above" gnus-article-strip-blank-lines t]
2152 ["All" gnus-article-strip-all-blank-lines t]
2153 ["Leading space" gnus-article-strip-leading-space t]
2154 ["Trailing space" gnus-article-strip-trailing-space t]
2155 ["Leading space in headers"
2156 gnus-article-remove-leading-whitespace t])
2157 ["Overstrike" gnus-article-treat-overstrike t]
2158 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2159 ["Emphasis" gnus-article-emphasize t]
2160 ["Word wrap" gnus-article-fill-cited-article t]
2161 ["Fill long lines" gnus-article-fill-long-lines t]
2162 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2163 ["Remove CR" gnus-article-remove-cr t]
2164 ["Rot 13" gnus-summary-caesar-message
2165 ,@(if (featurep 'xemacs) '(t)
2166 '(:help "\"Caesar rotate\" article by 13"))]
2167 ["Morse decode" gnus-summary-morse-message t]
2168 ["Unix pipe..." gnus-summary-pipe-message t]
2169 ["Add buttons" gnus-article-add-buttons t]
2170 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2171 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2172 ["Toggle MIME" gnus-summary-toggle-mime t]
2173 ["Verbose header" gnus-summary-verbose-headers t]
2174 ["Toggle header" gnus-summary-toggle-header t]
2175 ["Unfold headers" gnus-article-treat-unfold-headers t]
2176 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2177 ["Html" gnus-article-wash-html t]
2178 ["Unsplit URLs" gnus-article-unsplit-urls t]
2179 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2180 ["Decode HZ" gnus-article-decode-HZ t]
2181 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2182 ("(Outlook) Deuglify"
2183 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2184 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2185 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2186 ["Full (Outlook) deuglify"
2187 gnus-article-outlook-deuglify-article t])
2190 ["Save in default format..." gnus-summary-save-article
2191 ,@(if (featurep 'xemacs) '(t)
2192 '(:help "Save article using default method"))]
2193 ["Save in file..." gnus-summary-save-article-file
2194 ,@(if (featurep 'xemacs) '(t)
2195 '(:help "Save article in file"))]
2196 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2197 ["Save in MH folder..." gnus-summary-save-article-folder t]
2198 ["Save in VM folder..." gnus-summary-save-article-vm t]
2199 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2200 ["Save body in file..." gnus-summary-save-article-body-file t]
2201 ["Pipe through a filter..." gnus-summary-pipe-output t]
2202 ["Add to SOUP packet" gnus-soup-add-article t]
2203 ["Print with Muttprint..." gnus-summary-muttprint t]
2204 ["Print" gnus-summary-print-article t])
2206 ["Respool article..." gnus-summary-respool-article t]
2207 ["Move article..." gnus-summary-move-article
2208 (gnus-check-backend-function
2209 'request-move-article gnus-newsgroup-name)]
2210 ["Copy article..." gnus-summary-copy-article t]
2211 ["Crosspost article..." gnus-summary-crosspost-article
2212 (gnus-check-backend-function
2213 'request-replace-article gnus-newsgroup-name)]
2214 ["Import file..." gnus-summary-import-article
2215 (gnus-check-backend-function
2216 'request-accept-article gnus-newsgroup-name)]
2217 ["Create article..." gnus-summary-create-article
2218 (gnus-check-backend-function
2219 'request-accept-article gnus-newsgroup-name)]
2220 ["Check if posted" gnus-summary-article-posted-p t]
2221 ["Edit article" gnus-summary-edit-article
2222 (not (gnus-group-read-only-p))]
2223 ["Delete article" gnus-summary-delete-article
2224 (gnus-check-backend-function
2225 'request-expire-articles gnus-newsgroup-name)]
2226 ["Query respool" gnus-summary-respool-query t]
2227 ["Trace respool" gnus-summary-respool-trace t]
2228 ["Delete expirable articles" gnus-summary-expire-articles-now
2229 (gnus-check-backend-function
2230 'request-expire-articles gnus-newsgroup-name)])
2232 ["Uudecode" gnus-uu-decode-uu
2233 ,@(if (featurep 'xemacs) '(t)
2234 '(:help "Decode uuencoded article(s)"))]
2235 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2236 ["Unshar" gnus-uu-decode-unshar t]
2237 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2238 ["Save" gnus-uu-decode-save t]
2239 ["Binhex" gnus-uu-decode-binhex t]
2240 ["Postscript" gnus-uu-decode-postscript t])
2242 ["Enter article" gnus-cache-enter-article t]
2243 ["Remove article" gnus-cache-remove-article t])
2244 ["Translate" gnus-article-babel t]
2245 ["Select article buffer" gnus-summary-select-article-buffer t]
2246 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2247 ["Isearch article..." gnus-summary-isearch-article t]
2248 ["Beginning of the article" gnus-summary-beginning-of-article t]
2249 ["End of the article" gnus-summary-end-of-article t]
2250 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2251 ["Fetch referenced articles" gnus-summary-refer-references t]
2252 ["Fetch current thread" gnus-summary-refer-thread t]
2253 ["Fetch article with id..." gnus-summary-refer-article t]
2254 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2255 ["Redisplay" gnus-summary-show-article t]
2256 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2258 gnus-summary-article-menu gnus-summary-mode-map ""
2259 (cons "Article" innards))
2261 (if (not (keymapp gnus-summary-article-menu))
2263 gnus-article-commands-menu gnus-article-mode-map ""
2264 (cons "Commands" innards))
2265 ;; in Emacs, don't share menu.
2266 (setq gnus-article-commands-menu
2267 (copy-keymap gnus-summary-article-menu))
2268 (define-key gnus-article-mode-map [menu-bar commands]
2269 (cons "Commands" gnus-article-commands-menu))))
2272 gnus-summary-thread-menu gnus-summary-mode-map ""
2274 ["Find all messages in thread" gnus-summary-refer-thread t]
2275 ["Toggle threading" gnus-summary-toggle-threads t]
2276 ["Hide threads" gnus-summary-hide-all-threads t]
2277 ["Show threads" gnus-summary-show-all-threads t]
2278 ["Hide thread" gnus-summary-hide-thread t]
2279 ["Show thread" gnus-summary-show-thread t]
2280 ["Go to next thread" gnus-summary-next-thread t]
2281 ["Go to previous thread" gnus-summary-prev-thread t]
2282 ["Go down thread" gnus-summary-down-thread t]
2283 ["Go up thread" gnus-summary-up-thread t]
2284 ["Top of thread" gnus-summary-top-thread t]
2285 ["Mark thread as read" gnus-summary-kill-thread t]
2286 ["Lower thread score" gnus-summary-lower-thread t]
2287 ["Raise thread score" gnus-summary-raise-thread t]
2288 ["Rethread current" gnus-summary-rethread-current t]))
2291 gnus-summary-post-menu gnus-summary-mode-map ""
2293 ["Send a message (mail or news)" gnus-summary-post-news
2294 ,@(if (featurep 'xemacs) '(t)
2295 '(:help "Post an article"))]
2296 ["Followup" gnus-summary-followup
2297 ,@(if (featurep 'xemacs) '(t)
2298 '(:help "Post followup to this article"))]
2299 ["Followup and yank" gnus-summary-followup-with-original
2300 ,@(if (featurep 'xemacs) '(t)
2301 '(:help "Post followup to this article, quoting its contents"))]
2302 ["Supersede article" gnus-summary-supersede-article t]
2303 ["Cancel article" gnus-summary-cancel-article
2304 ,@(if (featurep 'xemacs) '(t)
2305 '(:help "Cancel an article you posted"))]
2306 ["Reply" gnus-summary-reply t]
2307 ["Reply and yank" gnus-summary-reply-with-original t]
2308 ["Wide reply" gnus-summary-wide-reply t]
2309 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2310 ,@(if (featurep 'xemacs) '(t)
2311 '(:help "Mail a reply, quoting this article"))]
2312 ["Very wide reply" gnus-summary-very-wide-reply t]
2313 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2314 ,@(if (featurep 'xemacs) '(t)
2315 '(:help "Mail a very wide reply, quoting this article"))]
2316 ["Mail forward" gnus-summary-mail-forward t]
2317 ["Post forward" gnus-summary-post-forward t]
2318 ["Digest and mail" gnus-summary-digest-mail-forward t]
2319 ["Digest and post" gnus-summary-digest-post-forward t]
2320 ["Resend message" gnus-summary-resend-message t]
2321 ["Resend message edit" gnus-summary-resend-message-edit t]
2322 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2323 ["Send a mail" gnus-summary-mail-other-window t]
2324 ["Create a local message" gnus-summary-news-other-window t]
2325 ["Uuencode and post" gnus-uu-post-news
2326 ,@(if (featurep 'xemacs) '(t)
2327 '(:help "Post a uuencoded article"))]
2328 ["Followup via news" gnus-summary-followup-to-mail t]
2329 ["Followup via news and yank"
2330 gnus-summary-followup-to-mail-with-original t]
2332 ;;["Send" gnus-summary-send-draft t]
2333 ;;["Send bounced" gnus-resend-bounced-mail t])
2337 ((not (keymapp gnus-summary-post-menu))
2338 (setq gnus-article-post-menu gnus-summary-post-menu))
2339 ((not gnus-article-post-menu)
2340 ;; Don't share post menu.
2341 (setq gnus-article-post-menu
2342 (copy-keymap gnus-summary-post-menu))))
2343 (define-key gnus-article-mode-map [menu-bar post]
2344 (cons "Post" gnus-article-post-menu))
2347 gnus-summary-misc-menu gnus-summary-mode-map ""
2350 ["Mark as read" gnus-summary-mark-as-read-forward t]
2351 ["Mark same subject and select"
2352 gnus-summary-kill-same-subject-and-select t]
2353 ["Mark same subject" gnus-summary-kill-same-subject t]
2354 ["Catchup" gnus-summary-catchup
2355 ,@(if (featurep 'xemacs) '(t)
2356 '(:help "Mark unread articles in this group as read"))]
2357 ["Catchup all" gnus-summary-catchup-all t]
2358 ["Catchup to here" gnus-summary-catchup-to-here t]
2359 ["Catchup from here" gnus-summary-catchup-from-here t]
2360 ["Catchup region" gnus-summary-mark-region-as-read
2361 (gnus-mark-active-p)]
2362 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2364 ["Tick" gnus-summary-tick-article-forward t]
2365 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2366 ["Remove marks" gnus-summary-clear-mark-forward t]
2367 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2368 ["Set bookmark" gnus-summary-set-bookmark t]
2369 ["Remove bookmark" gnus-summary-remove-bookmark t])
2371 ["Marks..." gnus-summary-limit-to-marks t]
2372 ["Subject..." gnus-summary-limit-to-subject t]
2373 ["Author..." gnus-summary-limit-to-author t]
2374 ["Age..." gnus-summary-limit-to-age t]
2375 ["Extra..." gnus-summary-limit-to-extra t]
2376 ["Score..." gnus-summary-limit-to-score t]
2377 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2378 ["Unread" gnus-summary-limit-to-unread t]
2379 ["Unseen" gnus-summary-limit-to-unseen t]
2380 ["Replied" gnus-summary-limit-to-replied t]
2381 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2382 ["Next articles" gnus-summary-limit-to-articles t]
2383 ["Pop limit" gnus-summary-pop-limit t]
2384 ["Show dormant" gnus-summary-limit-include-dormant t]
2385 ["Hide childless dormant"
2386 gnus-summary-limit-exclude-childless-dormant t]
2387 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2388 ["Hide marked" gnus-summary-limit-exclude-marks t]
2389 ["Show expunged" gnus-summary-limit-include-expunged t])
2391 ["Set mark" gnus-summary-mark-as-processable t]
2392 ["Remove mark" gnus-summary-unmark-as-processable t]
2393 ["Remove all marks" gnus-summary-unmark-all-processable t]
2394 ["Mark above" gnus-uu-mark-over t]
2395 ["Mark series" gnus-uu-mark-series t]
2396 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2397 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2398 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2399 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2400 ["Mark all" gnus-uu-mark-all t]
2401 ["Mark buffer" gnus-uu-mark-buffer t]
2402 ["Mark sparse" gnus-uu-mark-sparse t]
2403 ["Mark thread" gnus-uu-mark-thread t]
2404 ["Unmark thread" gnus-uu-unmark-thread t]
2405 ("Process Mark Sets"
2406 ["Kill" gnus-summary-kill-process-mark t]
2407 ["Yank" gnus-summary-yank-process-mark
2408 gnus-newsgroup-process-stack]
2409 ["Save" gnus-summary-save-process-mark t]
2410 ["Run command on marked..." gnus-summary-universal-argument t]))
2412 ["Page forward" gnus-summary-next-page
2413 ,@(if (featurep 'xemacs) '(t)
2414 '(:help "Show next page of article"))]
2415 ["Page backward" gnus-summary-prev-page
2416 ,@(if (featurep 'xemacs) '(t)
2417 '(:help "Show previous page of article"))]
2418 ["Line forward" gnus-summary-scroll-up t])
2420 ["Next unread article" gnus-summary-next-unread-article t]
2421 ["Previous unread article" gnus-summary-prev-unread-article t]
2422 ["Next article" gnus-summary-next-article t]
2423 ["Previous article" gnus-summary-prev-article t]
2424 ["Next unread subject" gnus-summary-next-unread-subject t]
2425 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2426 ["Next article same subject" gnus-summary-next-same-subject t]
2427 ["Previous article same subject" gnus-summary-prev-same-subject t]
2428 ["First unread article" gnus-summary-first-unread-article t]
2429 ["Best unread article" gnus-summary-best-unread-article t]
2430 ["Go to subject number..." gnus-summary-goto-subject t]
2431 ["Go to article number..." gnus-summary-goto-article t]
2432 ["Go to the last article" gnus-summary-goto-last-article t]
2433 ["Pop article off history" gnus-summary-pop-article t])
2435 ["Sort by number" gnus-summary-sort-by-number t]
2436 ["Sort by author" gnus-summary-sort-by-author t]
2437 ["Sort by subject" gnus-summary-sort-by-subject t]
2438 ["Sort by date" gnus-summary-sort-by-date t]
2439 ["Sort by score" gnus-summary-sort-by-score t]
2440 ["Sort by lines" gnus-summary-sort-by-lines t]
2441 ["Sort by characters" gnus-summary-sort-by-chars t]
2442 ["Randomize" gnus-summary-sort-by-random t]
2443 ["Original sort" gnus-summary-sort-by-original t])
2445 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2446 ["Describe group" gnus-summary-describe-group t]
2447 ["Fetch charter" gnus-group-fetch-charter
2448 ,@(if (featurep 'xemacs) nil
2449 '(:help "Display the charter of the current group"))]
2450 ["Fetch control message" gnus-group-fetch-control
2451 ,@(if (featurep 'xemacs) nil
2452 '(:help "Display the archived control message for the current group"))]
2453 ["Read manual" gnus-info-find-node t])
2455 ["Pick and read" gnus-pick-mode t]
2456 ["Binary" gnus-binary-mode t])
2458 ["Regenerate" gnus-summary-prepare t]
2459 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2460 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2461 ["Toggle threading" gnus-summary-toggle-threads t])
2462 ["See old articles" gnus-summary-insert-old-articles t]
2463 ["See new articles" gnus-summary-insert-new-articles t]
2464 ["Filter articles..." gnus-summary-execute-command t]
2465 ["Run command on articles..." gnus-summary-universal-argument t]
2466 ["Search articles forward..." gnus-summary-search-article-forward t]
2467 ["Search articles backward..." gnus-summary-search-article-backward t]
2468 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2469 ["Expand window" gnus-summary-expand-window t]
2470 ["Expire expirable articles" gnus-summary-expire-articles
2471 (gnus-check-backend-function
2472 'request-expire-articles gnus-newsgroup-name)]
2473 ["Edit local kill file" gnus-summary-edit-local-kill t]
2474 ["Edit main kill file" gnus-summary-edit-global-kill t]
2475 ["Edit group parameters" gnus-summary-edit-parameters t]
2476 ["Customize group parameters" gnus-summary-customize-parameters t]
2477 ["Send a bug report" gnus-bug t]
2479 ["Catchup and exit" gnus-summary-catchup-and-exit
2480 ,@(if (featurep 'xemacs) '(t)
2481 '(:help "Mark unread articles in this group as read, then exit"))]
2482 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2483 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2484 ["Exit group" gnus-summary-exit
2485 ,@(if (featurep 'xemacs) '(t)
2486 '(:help "Exit current group, return to group selection mode"))]
2487 ["Exit group without updating" gnus-summary-exit-no-update t]
2488 ["Exit and goto next group" gnus-summary-next-group t]
2489 ["Exit and goto prev group" gnus-summary-prev-group t]
2490 ["Reselect group" gnus-summary-reselect-current-group t]
2491 ["Rescan group" gnus-summary-rescan-group t]
2492 ["Update dribble" gnus-summary-save-newsrc t])))
2494 (gnus-run-hooks 'gnus-summary-menu-hook)))
2496 (defvar gnus-summary-tool-bar-map nil)
2498 ;; Emacs 21 tool bar. Should be no-op otherwise.
2499 (defun gnus-summary-make-tool-bar ()
2500 (if (and (fboundp 'tool-bar-add-item-from-menu)
2501 (default-value 'tool-bar-mode)
2502 (not gnus-summary-tool-bar-map))
2503 (setq gnus-summary-tool-bar-map
2504 (let ((tool-bar-map (make-sparse-keymap))
2505 (load-path (mm-image-load-path)))
2506 (tool-bar-add-item-from-menu
2507 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2508 (tool-bar-add-item-from-menu
2509 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2510 (tool-bar-add-item-from-menu
2511 'gnus-summary-post-news "post" gnus-summary-mode-map)
2512 (tool-bar-add-item-from-menu
2513 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2514 (tool-bar-add-item-from-menu
2515 'gnus-summary-followup "followup" gnus-summary-mode-map)
2516 (tool-bar-add-item-from-menu
2517 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2518 (tool-bar-add-item-from-menu
2519 'gnus-summary-reply "reply" gnus-summary-mode-map)
2520 (tool-bar-add-item-from-menu
2521 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2522 (tool-bar-add-item-from-menu
2523 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2524 (tool-bar-add-item-from-menu
2525 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2526 (tool-bar-add-item-from-menu
2527 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2528 (tool-bar-add-item-from-menu
2529 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2530 (tool-bar-add-item-from-menu
2531 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2532 (tool-bar-add-item-from-menu
2533 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2534 (tool-bar-add-item-from-menu
2535 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2537 (if gnus-summary-tool-bar-map
2538 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2540 (defun gnus-score-set-default (var value)
2541 "A version of set that updates the GNU Emacs menu-bar."
2543 ;; It is the message that forces the active status to be updated.
2546 (defun gnus-make-score-map (type)
2547 "Make a summary score map of type TYPE."
2550 (let ((headers '(("author" "from" string)
2551 ("subject" "subject" string)
2552 ("article body" "body" string)
2553 ("article head" "head" string)
2554 ("xref" "xref" string)
2555 ("extra header" "extra" string)
2556 ("lines" "lines" number)
2557 ("followups to author" "followup" string)))
2558 (types '((number ("less than" <)
2561 (string ("substring" s)
2565 (perms '(("temporary" (current-time-string))
2573 (if (eq type 'lower)
2578 (setq header (car headers))
2584 (let ((ts (cdr (assoc (nth 2 header) types)))
2600 'gnus-summary-score-entry
2602 (if (or (string= (nth 1 header)
2604 (string= (nth 1 header)
2607 (list 'gnus-summary-header
2609 (list 'quote (nth 1 (car ts)))
2610 (list 'gnus-score-delta-default
2617 (list (nreverse outp))))
2620 (list (nreverse outt))))
2622 (setq headers (cdr headers)))
2623 (list (nreverse outh))))))))
2627 (defun gnus-summary-mode (&optional group)
2628 "Major mode for reading articles.
2630 All normal editing commands are switched off.
2631 \\<gnus-summary-mode-map>
2632 Each line in this buffer represents one article. To read an
2633 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2634 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2637 You can also post articles and send mail from this buffer. To
2638 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2639 of an article, type `\\[gnus-summary-reply]'.
2641 There are approx. one gazillion commands you can execute in this
2642 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2644 The following commands are available:
2646 \\{gnus-summary-mode-map}"
2648 (kill-all-local-variables)
2649 (when (gnus-visual-p 'summary-menu 'menu)
2650 (gnus-summary-make-menu-bar)
2651 (gnus-summary-make-tool-bar))
2652 (gnus-summary-make-local-variables)
2653 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2654 (gnus-summary-make-local-variables))
2655 (gnus-make-thread-indent-array)
2656 (gnus-simplify-mode-line)
2657 (setq major-mode 'gnus-summary-mode)
2658 (setq mode-name "Summary")
2659 (make-local-variable 'minor-mode-alist)
2660 (use-local-map gnus-summary-mode-map)
2661 (buffer-disable-undo)
2662 (setq buffer-read-only t) ;Disable modification
2663 (setq truncate-lines t)
2664 (setq selective-display t)
2665 (setq selective-display-ellipses t) ;Display `...'
2666 (gnus-summary-set-display-table)
2667 (gnus-set-default-directory)
2668 (setq gnus-newsgroup-name group)
2669 (unless (gnus-news-group-p group)
2670 (setq gnus-newsgroup-incorporated
2671 (nnmail-new-mail-numbers (gnus-group-real-name group))))
2672 (make-local-variable 'gnus-summary-line-format)
2673 (make-local-variable 'gnus-summary-line-format-spec)
2674 (make-local-variable 'gnus-summary-dummy-line-format)
2675 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2676 (make-local-variable 'gnus-summary-mark-positions)
2677 (gnus-make-local-hook 'pre-command-hook)
2678 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2679 (gnus-run-hooks 'gnus-summary-mode-hook)
2680 (turn-on-gnus-mailing-list-mode)
2681 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2682 (gnus-update-summary-mark-positions))
2684 (defun gnus-summary-make-local-variables ()
2685 "Make all the local summary buffer variables."
2687 (dolist (local gnus-summary-local-variables)
2690 (if (eq (cdr local) 'global)
2691 ;; Copy the global value of the variable.
2692 (setq global (symbol-value (car local)))
2693 ;; Use the value from the list.
2694 (setq global (eval (cdr local))))
2695 (set (make-local-variable (car local)) global))
2696 ;; Simple nil-valued local variable.
2697 (set (make-local-variable local) nil)))))
2699 (defun gnus-summary-clear-local-variables ()
2700 (let ((locals gnus-summary-local-variables))
2702 (if (consp (car locals))
2703 (and (vectorp (caar locals))
2704 (set (caar locals) nil))
2705 (and (vectorp (car locals))
2706 (set (car locals) nil)))
2707 (setq locals (cdr locals)))))
2709 ;; Summary data functions.
2711 (defmacro gnus-data-number (data)
2714 (defmacro gnus-data-set-number (data number)
2715 `(setcar ,data ,number))
2717 (defmacro gnus-data-mark (data)
2720 (defmacro gnus-data-set-mark (data mark)
2721 `(setcar (nthcdr 1 ,data) ,mark))
2723 (defmacro gnus-data-pos (data)
2726 (defmacro gnus-data-set-pos (data pos)
2727 `(setcar (nthcdr 2 ,data) ,pos))
2729 (defmacro gnus-data-header (data)
2732 (defmacro gnus-data-set-header (data header)
2733 `(setcar (nthcdr 3 ,data) ,header))
2735 (defmacro gnus-data-level (data)
2738 (defmacro gnus-data-unread-p (data)
2739 `(= (nth 1 ,data) gnus-unread-mark))
2741 (defmacro gnus-data-read-p (data)
2742 `(/= (nth 1 ,data) gnus-unread-mark))
2744 (defmacro gnus-data-pseudo-p (data)
2745 `(consp (nth 3 ,data)))
2747 (defmacro gnus-data-find (number)
2748 `(assq ,number gnus-newsgroup-data))
2750 (defmacro gnus-data-find-list (number &optional data)
2751 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2752 (memq (assq ,number bdata)
2755 (defmacro gnus-data-make (number mark pos header level)
2756 `(list ,number ,mark ,pos ,header ,level))
2758 (defun gnus-data-enter (after-article number mark pos header level offset)
2759 (let ((data (gnus-data-find-list after-article)))
2761 (error "No such article: %d" after-article))
2762 (setcdr data (cons (gnus-data-make number mark pos header level)
2764 (setq gnus-newsgroup-data-reverse nil)
2765 (gnus-data-update-list (cddr data) offset)))
2767 (defun gnus-data-enter-list (after-article list &optional offset)
2769 (let ((data (and after-article (gnus-data-find-list after-article)))
2773 (let ((odata gnus-newsgroup-data))
2774 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2776 (gnus-data-update-list odata offset)))
2777 ;; Find the last element in the list to be spliced into the main
2780 (setq list (cdr list)))
2783 (setcdr list gnus-newsgroup-data)
2784 (setq gnus-newsgroup-data ilist)
2786 (gnus-data-update-list (cdr list) offset)))
2787 (setcdr list (cdr data))
2790 (gnus-data-update-list (cdr list) offset))))
2791 (setq gnus-newsgroup-data-reverse nil))))
2793 (defun gnus-data-remove (article &optional offset)
2794 (let ((data gnus-newsgroup-data))
2795 (if (= (gnus-data-number (car data)) article)
2797 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2798 gnus-newsgroup-data-reverse nil)
2800 (gnus-data-update-list gnus-newsgroup-data offset)))
2802 (when (= (gnus-data-number (cadr data)) article)
2803 (setcdr data (cddr data))
2805 (gnus-data-update-list (cdr data) offset))
2807 gnus-newsgroup-data-reverse nil))
2808 (setq data (cdr data))))))
2810 (defmacro gnus-data-list (backward)
2812 (or gnus-newsgroup-data-reverse
2813 (setq gnus-newsgroup-data-reverse
2814 (reverse gnus-newsgroup-data)))
2815 gnus-newsgroup-data))
2817 (defun gnus-data-update-list (data offset)
2818 "Add OFFSET to the POS of all data entries in DATA."
2819 (setq gnus-newsgroup-data-reverse nil)
2821 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2822 (setq data (cdr data))))
2824 (defun gnus-summary-article-pseudo-p (article)
2825 "Say whether this article is a pseudo article or not."
2826 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2828 (defmacro gnus-summary-article-sparse-p (article)
2829 "Say whether this article is a sparse article or not."
2830 `(memq ,article gnus-newsgroup-sparse))
2832 (defmacro gnus-summary-article-ancient-p (article)
2833 "Say whether this article is a sparse article or not."
2834 `(memq ,article gnus-newsgroup-ancient))
2836 (defun gnus-article-parent-p (number)
2837 "Say whether this article is a parent or not."
2838 (let ((data (gnus-data-find-list number)))
2839 (and (cdr data) ; There has to be an article after...
2840 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2841 (gnus-data-level (nth 1 data))))))
2843 (defun gnus-article-children (number)
2844 "Return a list of all children to NUMBER."
2845 (let* ((data (gnus-data-find-list number))
2846 (level (gnus-data-level (car data)))
2848 (setq data (cdr data))
2850 (= (gnus-data-level (car data)) (1+ level)))
2851 (push (gnus-data-number (car data)) children)
2852 (setq data (cdr data)))
2855 (defmacro gnus-summary-skip-intangible ()
2856 "If the current article is intangible, then jump to a different article."
2857 '(let ((to (get-text-property (point) 'gnus-intangible)))
2858 (and to (gnus-summary-goto-subject to))))
2860 (defmacro gnus-summary-article-intangible-p ()
2861 "Say whether this article is intangible or not."
2862 '(get-text-property (point) 'gnus-intangible))
2864 (defun gnus-article-read-p (article)
2865 "Say whether ARTICLE is read or not."
2866 (not (or (memq article gnus-newsgroup-marked)
2867 (memq article gnus-newsgroup-spam-marked)
2868 (memq article gnus-newsgroup-unreads)
2869 (memq article gnus-newsgroup-unselected)
2870 (memq article gnus-newsgroup-dormant))))
2872 ;; Some summary mode macros.
2874 (defmacro gnus-summary-article-number ()
2875 "The article number of the article on the current line.
2876 If there isn't an article number here, then we return the current
2879 (gnus-summary-skip-intangible)
2880 (or (get-text-property (point) 'gnus-number)
2881 (gnus-summary-last-subject))))
2883 (defmacro gnus-summary-article-header (&optional number)
2884 "Return the header of article NUMBER."
2885 `(gnus-data-header (gnus-data-find
2886 ,(or number '(gnus-summary-article-number)))))
2888 (defmacro gnus-summary-thread-level (&optional number)
2889 "Return the level of thread that starts with article NUMBER."
2890 `(if (and (eq gnus-summary-make-false-root 'dummy)
2891 (get-text-property (point) 'gnus-intangible))
2893 (gnus-data-level (gnus-data-find
2894 ,(or number '(gnus-summary-article-number))))))
2896 (defmacro gnus-summary-article-mark (&optional number)
2897 "Return the mark of article NUMBER."
2898 `(gnus-data-mark (gnus-data-find
2899 ,(or number '(gnus-summary-article-number)))))
2901 (defmacro gnus-summary-article-pos (&optional number)
2902 "Return the position of the line of article NUMBER."
2903 `(gnus-data-pos (gnus-data-find
2904 ,(or number '(gnus-summary-article-number)))))
2906 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2907 (defmacro gnus-summary-article-subject (&optional number)
2908 "Return current subject string or nil if nothing."
2911 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2912 '(gnus-data-header (assq (gnus-summary-article-number)
2913 gnus-newsgroup-data)))))
2916 (mail-header-subject headers))))
2918 (defmacro gnus-summary-article-score (&optional number)
2919 "Return current article score."
2920 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2921 gnus-newsgroup-scored))
2922 gnus-summary-default-score 0))
2924 (defun gnus-summary-article-children (&optional number)
2925 "Return a list of article numbers that are children of article NUMBER."
2926 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2927 (level (gnus-data-level (car data)))
2929 (while (and (setq data (cdr data))
2930 (> (setq l (gnus-data-level (car data))) level))
2931 (and (= (1+ level) l)
2932 (push (gnus-data-number (car data))
2934 (nreverse children)))
2936 (defun gnus-summary-article-parent (&optional number)
2937 "Return the article number of the parent of article NUMBER."
2938 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2939 (gnus-data-list t)))
2940 (level (gnus-data-level (car data))))
2942 () ; This is a root.
2943 ;; We search until we find an article with a level less than
2944 ;; this one. That function has to be the parent.
2945 (while (and (setq data (cdr data))
2946 (not (< (gnus-data-level (car data)) level))))
2947 (and data (gnus-data-number (car data))))))
2949 (defun gnus-unread-mark-p (mark)
2950 "Say whether MARK is the unread mark."
2951 (= mark gnus-unread-mark))
2953 (defun gnus-read-mark-p (mark)
2954 "Say whether MARK is one of the marks that mark as read.
2955 This is all marks except unread, ticked, dormant, and expirable."
2956 (not (or (= mark gnus-unread-mark)
2957 (= mark gnus-ticked-mark)
2958 (= mark gnus-spam-mark)
2959 (= mark gnus-dormant-mark)
2960 (= mark gnus-expirable-mark))))
2962 (defmacro gnus-article-mark (number)
2963 "Return the MARK of article NUMBER.
2964 This macro should only be used when computing the mark the \"first\"
2965 time; i.e., when generating the summary lines. After that,
2966 `gnus-summary-article-mark' should be used to examine the
2969 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2970 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2971 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2972 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2973 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2974 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2975 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2976 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2977 gnus-ancient-mark))))
2979 ;; Saving hidden threads.
2981 (defmacro gnus-save-hidden-threads (&rest forms)
2982 "Save hidden threads, eval FORMS, and restore the hidden threads."
2983 (let ((config (make-symbol "config")))
2984 `(let ((,config (gnus-hidden-threads-configuration)))
2988 (gnus-restore-hidden-threads-configuration ,config)))))
2989 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2990 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2992 (defun gnus-data-compute-positions ()
2993 "Compute the positions of all articles."
2994 (setq gnus-newsgroup-data-reverse nil)
2995 (let ((data gnus-newsgroup-data))
2997 (gnus-save-hidden-threads
2998 (gnus-summary-show-all-threads)
2999 (goto-char (point-min))
3001 (while (get-text-property (point) 'gnus-intangible)
3003 (gnus-data-set-pos (car data) (+ (point) 3))
3004 (setq data (cdr data))
3005 (forward-line 1))))))
3007 (defun gnus-hidden-threads-configuration ()
3008 "Return the current hidden threads configuration."
3011 (goto-char (point-min))
3012 (while (search-forward "\r" nil t)
3013 (push (1- (point)) config))
3016 (defun gnus-restore-hidden-threads-configuration (config)
3017 "Restore hidden threads configuration from CONFIG."
3019 (let (point buffer-read-only)
3020 (while (setq point (pop config))
3021 (when (and (< point (point-max))
3023 (eq (char-after) ?\n))
3024 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3026 ;; Various summary mode internalish functions.
3028 (defun gnus-mouse-pick-article (e)
3031 (gnus-summary-next-page nil t))
3033 (defun gnus-summary-set-display-table ()
3034 "Change the display table.
3035 Odd characters have a tendency to mess
3036 up nicely formatted displays - we make all possible glyphs
3037 display only a single character."
3039 ;; We start from the standard display table, if any.
3040 (let ((table (or (copy-sequence standard-display-table)
3041 (make-display-table)))
3043 ;; Nix out all the control chars...
3044 (while (>= (setq i (1- i)) 0)
3045 (aset table i [??]))
3046 ;; ... but not newline and cr, of course. (cr is necessary for the
3047 ;; selective display).
3048 (aset table ?\n nil)
3049 (aset table ?\r nil)
3050 ;; We keep TAB as well.
3051 (aset table ?\t nil)
3052 ;; We nix out any glyphs over 126 that are not set already.
3054 (while (>= (setq i (1- i)) 127)
3055 ;; Only modify if the entry is nil.
3056 (unless (aref table i)
3057 (aset table i [??]))))
3058 (setq buffer-display-table table)))
3060 (defun gnus-summary-set-article-display-arrow (pos)
3061 "Update the overlay arrow to point to line at position POS."
3062 (when (and gnus-summary-display-arrow
3063 (boundp 'overlay-arrow-position)
3064 (boundp 'overlay-arrow-string))
3068 (unless overlay-arrow-position
3069 (setq overlay-arrow-position (make-marker)))
3070 (setq overlay-arrow-string "=>"
3071 overlay-arrow-position (set-marker overlay-arrow-position
3073 (current-buffer))))))
3075 (defun gnus-summary-setup-buffer (group)
3076 "Initialize summary buffer."
3077 (let ((buffer (gnus-summary-buffer-name group))
3078 (dead-name (concat "*Dead Summary "
3079 (gnus-group-decoded-name group) "*")))
3080 ;; If a dead summary buffer exists, we kill it.
3081 (when (gnus-buffer-live-p dead-name)
3082 (gnus-kill-buffer dead-name))
3083 (if (get-buffer buffer)
3086 (setq gnus-summary-buffer (current-buffer))
3087 (not gnus-newsgroup-prepared))
3088 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3089 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3090 (gnus-summary-mode group)
3092 (gnus-carpal-setup-buffer 'summary))
3093 (unless gnus-single-article-buffer
3094 (make-local-variable 'gnus-article-buffer)
3095 (make-local-variable 'gnus-article-current)
3096 (make-local-variable 'gnus-original-article-buffer))
3097 (setq gnus-newsgroup-name group)
3098 ;; Set any local variables in the group parameters.
3099 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3102 (defun gnus-set-global-variables ()
3103 "Set the global equivalents of the buffer-local variables.
3104 They are set to the latest values they had. These reflect the summary
3105 buffer that was in action when the last article was fetched."
3106 (when (eq major-mode 'gnus-summary-mode)
3107 (setq gnus-summary-buffer (current-buffer))
3108 (let ((name gnus-newsgroup-name)
3109 (marked gnus-newsgroup-marked)
3110 (spam gnus-newsgroup-spam-marked)
3111 (unread gnus-newsgroup-unreads)
3112 (headers gnus-current-headers)
3113 (data gnus-newsgroup-data)
3114 (summary gnus-summary-buffer)
3115 (article-buffer gnus-article-buffer)
3116 (original gnus-original-article-buffer)
3117 (gac gnus-article-current)
3118 (reffed gnus-reffed-article-number)
3119 (score-file gnus-current-score-file)
3120 (default-charset gnus-newsgroup-charset)
3122 (let ((locals gnus-newsgroup-variables))
3124 (if (consp (car locals))
3125 (push (eval (caar locals)) vlist)
3126 (push (eval (car locals)) vlist))
3127 (setq locals (cdr locals)))
3128 (setq vlist (nreverse vlist)))
3130 (set-buffer gnus-group-buffer)
3131 (setq gnus-newsgroup-name name
3132 gnus-newsgroup-marked marked
3133 gnus-newsgroup-spam-marked spam
3134 gnus-newsgroup-unreads unread
3135 gnus-current-headers headers
3136 gnus-newsgroup-data data
3137 gnus-article-current gac
3138 gnus-summary-buffer summary
3139 gnus-article-buffer article-buffer
3140 gnus-original-article-buffer original
3141 gnus-reffed-article-number reffed
3142 gnus-current-score-file score-file
3143 gnus-newsgroup-charset default-charset)
3144 (let ((locals gnus-newsgroup-variables))
3146 (if (consp (car locals))
3147 (set (caar locals) (pop vlist))
3148 (set (car locals) (pop vlist)))
3149 (setq locals (cdr locals))))
3150 ;; The article buffer also has local variables.
3151 (when (gnus-buffer-live-p gnus-article-buffer)
3152 (set-buffer gnus-article-buffer)
3153 (setq gnus-summary-buffer summary))))))
3155 (defun gnus-summary-article-unread-p (article)
3156 "Say whether ARTICLE is unread or not."
3157 (memq article gnus-newsgroup-unreads))
3159 (defun gnus-summary-first-article-p (&optional article)
3160 "Return whether ARTICLE is the first article in the buffer."
3161 (if (not (setq article (or article (gnus-summary-article-number))))
3163 (eq article (caar gnus-newsgroup-data))))
3165 (defun gnus-summary-last-article-p (&optional article)
3166 "Return whether ARTICLE is the last article in the buffer."
3167 (if (not (setq article (or article (gnus-summary-article-number))))
3168 ;; All non-existent numbers are the last article. :-)
3170 (not (cdr (gnus-data-find-list article)))))
3172 (defun gnus-make-thread-indent-array ()
3174 (unless (and gnus-thread-indent-array
3175 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3176 (setq gnus-thread-indent-array (make-vector 201 "")
3177 gnus-thread-indent-array-level gnus-thread-indent-level)
3179 (aset gnus-thread-indent-array n
3180 (make-string (* n gnus-thread-indent-level) ? ))
3183 (defun gnus-update-summary-mark-positions ()
3184 "Compute where the summary marks are to go."
3186 (when (gnus-buffer-exists-p gnus-summary-buffer)
3187 (set-buffer gnus-summary-buffer))
3188 (let ((gnus-replied-mark 129)
3189 (gnus-score-below-mark 130)
3190 (gnus-score-over-mark 130)
3191 (gnus-undownloaded-mark 131)
3192 (spec gnus-summary-line-format-spec)
3195 (gnus-set-work-buffer)
3196 (let ((gnus-summary-line-format-spec spec)
3197 (gnus-newsgroup-downloadable '(0)))
3198 (gnus-summary-insert-line
3199 (make-full-mail-header 0 "" "nobody"
3200 "05 Apr 2001 23:33:09 +0400"
3202 0 nil t 128 t nil "" nil 1)
3203 (goto-char (point-min))
3204 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3205 (- (point) (point-min) 1)))))
3206 (goto-char (point-min))
3207 (push (cons 'replied (and (search-forward "\201" nil t)
3208 (- (point) (point-min) 1)))
3210 (goto-char (point-min))
3211 (push (cons 'score (and (search-forward "\202" nil t)
3212 (- (point) (point-min) 1)))
3214 (goto-char (point-min))
3215 (push (cons 'download
3216 (and (search-forward "\203" nil t)
3217 (- (point) (point-min) 1)))
3219 (setq gnus-summary-mark-positions pos))))
3221 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3222 "Insert a dummy root in the summary buffer."
3224 (gnus-add-text-properties
3225 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3226 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3228 (defun gnus-summary-extract-address-component (from)
3229 (or (car (funcall gnus-extract-address-components from))
3232 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3233 (let ((default-mime-charset (with-current-buffer gnus-summary-buffer
3234 default-mime-charset)))
3235 ;; Is it really necessary to do this next part for each summary line?
3236 ;; Luckily, doesn't seem to slow things down much.
3238 (and gnus-ignored-from-addresses
3239 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3240 (let ((extra-headers (mail-header-extra header))
3244 ((setq to (cdr (assq 'To extra-headers)))
3247 (gnus-summary-extract-address-component
3248 (funcall gnus-decode-encoded-word-function to)))))
3249 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3250 (concat "=> " newsgroups)))))
3251 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3253 (defun gnus-summary-insert-line (gnus-tmp-header
3254 gnus-tmp-level gnus-tmp-current
3255 undownloaded gnus-tmp-unread gnus-tmp-replied
3256 gnus-tmp-expirable gnus-tmp-subject-or-nil
3257 &optional gnus-tmp-dummy gnus-tmp-score
3259 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3260 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3261 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3262 (gnus-tmp-score-char
3263 (if (or (null gnus-summary-default-score)
3264 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3265 gnus-summary-zcore-fuzz))
3267 (if (< gnus-tmp-score gnus-summary-default-score)
3268 gnus-score-below-mark gnus-score-over-mark)))
3269 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3271 (cond (gnus-tmp-process gnus-process-mark)
3272 ((memq gnus-tmp-current gnus-newsgroup-cached)
3274 (gnus-tmp-replied gnus-replied-mark)
3275 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3276 gnus-forwarded-mark)
3277 ((memq gnus-tmp-current gnus-newsgroup-saved)
3279 ((memq gnus-tmp-number gnus-newsgroup-recent)
3281 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3284 (gnus-tmp-downloaded
3286 gnus-undownloaded-mark)
3287 (gnus-newsgroup-agentized
3288 gnus-downloaded-mark)
3291 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3294 ((string-match "<[^>]+> *$" gnus-tmp-from)
3295 (let ((beg (match-beginning 0)))
3296 (or (and (string-match "^\".+\"" gnus-tmp-from)
3297 (substring gnus-tmp-from 1 (1- (match-end 0))))
3298 (substring gnus-tmp-from 0 beg))))
3299 ((string-match "(.+)" gnus-tmp-from)
3300 (substring gnus-tmp-from
3301 (1+ (match-beginning 0)) (1- (match-end 0))))
3303 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3304 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3305 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3306 (buffer-read-only nil))
3307 (when (string= gnus-tmp-name "")
3308 (setq gnus-tmp-name gnus-tmp-from))
3309 (unless (numberp gnus-tmp-lines)
3310 (setq gnus-tmp-lines -1))
3311 (if (= gnus-tmp-lines -1)
3312 (setq gnus-tmp-lines "?")
3313 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3314 (gnus-put-text-property-excluding-characters-with-faces
3316 (progn (eval gnus-summary-line-format-spec) (point))
3317 'gnus-number gnus-tmp-number)
3318 (when (gnus-visual-p 'summary-highlight 'highlight)
3320 (gnus-run-hooks 'gnus-summary-update-hook)
3323 (defun gnus-summary-update-line (&optional dont-update)
3324 "Update summary line after change."
3325 (when (and gnus-summary-default-score
3326 (not gnus-summary-inhibit-highlight))
3327 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3328 (article (gnus-summary-article-number))
3329 (score (gnus-summary-article-score article)))
3331 (if (and gnus-summary-mark-below
3332 (< (gnus-summary-article-score)
3333 gnus-summary-mark-below))
3334 ;; This article has a low score, so we mark it as read.
3335 (when (memq article gnus-newsgroup-unreads)
3336 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3337 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3338 ;; This article was previously marked as read on account
3339 ;; of a low score, but now it has risen, so we mark it as
3341 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3342 (gnus-summary-update-mark
3343 (if (or (null gnus-summary-default-score)
3344 (<= (abs (- score gnus-summary-default-score))
3345 gnus-summary-zcore-fuzz))
3347 (if (< score gnus-summary-default-score)
3348 gnus-score-below-mark gnus-score-over-mark))
3350 ;; Do visual highlighting.
3351 (when (gnus-visual-p 'summary-highlight 'highlight)
3352 (gnus-run-hooks 'gnus-summary-update-hook)))))
3354 (defvar gnus-tmp-new-adopts nil)
3356 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3357 "Return the number of articles in THREAD.
3358 This may be 0 in some cases -- if none of the articles in
3359 the thread are to be displayed."
3361 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3363 ((not (listp thread))
3365 ((and (consp thread) (cdr thread))
3368 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3371 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3374 (when (and level (zerop level) gnus-tmp-new-adopts)
3377 'gnus-summary-number-of-articles-in-thread
3378 gnus-tmp-new-adopts))))
3380 (if (> number 1) gnus-not-empty-thread-mark
3381 gnus-empty-thread-mark)
3384 (defsubst gnus-summary-line-message-size (head)
3385 "Return pretty-printed version of message size.
3386 This function is intended to be used in
3387 `gnus-summary-line-format-alist'."
3388 (let ((c (or (mail-header-chars head) -1)))
3389 (cond ((< c 0) "n/a") ; chars not available
3390 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3391 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3392 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3393 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3396 (defun gnus-summary-set-local-parameters (group)
3397 "Go through the local params of GROUP and set all variable specs in that list."
3398 (let ((params (gnus-group-find-parameter group))
3399 (vars '(quit-config)) ; Ignore quit-config.
3402 (setq elem (car params)
3403 params (cdr params))
3404 (and (consp elem) ; Has to be a cons.
3405 (consp (cdr elem)) ; The cdr has to be a list.
3406 (symbolp (car elem)) ; Has to be a symbol in there.
3407 (not (memq (car elem) vars))
3408 (ignore-errors ; So we set it.
3409 (push (car elem) vars)
3410 (make-local-variable (car elem))
3411 (set (car elem) (eval (nth 1 elem))))))))
3413 (defun gnus-summary-read-group (group &optional show-all no-article
3414 kill-buffer no-display backward
3416 "Start reading news in newsgroup GROUP.
3417 If SHOW-ALL is non-nil, already read articles are also listed.
3418 If NO-ARTICLE is non-nil, no article is selected initially.
3419 If NO-DISPLAY, don't generate a summary buffer."
3423 (let ((gnus-auto-select-next nil))
3424 (or (gnus-summary-read-group-1
3425 group show-all no-article
3426 kill-buffer no-display
3429 select-articles nil)))))
3430 (eq gnus-auto-select-next 'quietly))
3431 (set-buffer gnus-group-buffer)
3432 ;; The entry function called above goes to the next
3433 ;; group automatically, so we go two groups back
3434 ;; if we are searching for the previous group.
3436 (gnus-group-prev-unread-group 2))
3437 (if (not (equal group (gnus-group-group-name)))
3438 (setq group (gnus-group-group-name))
3442 (defun gnus-summary-jump-to-other-group (group &optional show-all)
3443 "Directly jump to the other GROUP from summary buffer.
3444 If SHOW-ALL is non-nil, already read articles are also listed."
3446 (if (eq gnus-summary-buffer (current-buffer))
3447 (list (completing-read
3448 "Group: " gnus-active-hashtb nil t
3449 (when (and gnus-newsgroup-name
3450 (string-match "[.:][^.:]+$" gnus-newsgroup-name))
3451 (substring gnus-newsgroup-name 0 (1+ (match-beginning 0))))
3452 'gnus-group-history)
3454 (error "%s must be invoked from a gnus summary buffer." this-command)))
3455 (unless (or (zerop (length group))
3456 (and gnus-newsgroup-name
3457 (string-equal gnus-newsgroup-name group)))
3459 (gnus-summary-read-group group show-all
3460 gnus-dont-select-after-jump-to-other-group)))
3462 (defun gnus-summary-read-group-1 (group show-all no-article
3463 kill-buffer no-display
3464 &optional select-articles)
3465 ;; Killed foreign groups can't be entered.
3466 ;; (when (and (not (gnus-group-native-p group))
3467 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3468 ;; (error "Dead non-native groups can't be entered"))
3469 (gnus-message 5 "Retrieving newsgroup: %s..."
3470 (gnus-group-decoded-name group))
3471 (let* ((new-group (gnus-summary-setup-buffer group))
3472 (quit-config (gnus-group-quit-config group))
3473 (did-select (and new-group (gnus-select-newsgroup
3474 group show-all select-articles))))
3476 ;; This summary buffer exists already, so we just select it.
3478 (gnus-set-global-variables)
3480 (gnus-kill-or-deaden-summary kill-buffer))
3481 (gnus-configure-windows 'summary 'force)
3482 (gnus-set-mode-line 'summary)
3483 (gnus-summary-position-point)
3486 ;; We couldn't select this group.
3488 (when (and (eq major-mode 'gnus-summary-mode)
3489 (not (equal (current-buffer) kill-buffer)))
3490 (kill-buffer (current-buffer))
3491 (if (not quit-config)
3493 ;; Update the info -- marks might need to be removed,
3495 (gnus-summary-update-info)
3496 (set-buffer gnus-group-buffer)
3497 (gnus-group-jump-to-group group)
3498 (gnus-group-next-unread-group 1))
3499 (gnus-handle-ephemeral-exit quit-config)))
3500 (let ((grpinfo (gnus-get-info group)))
3501 (if (null (gnus-info-read grpinfo))
3502 (gnus-message 3 "Group %s contains no messages"
3503 (gnus-group-decoded-name group))
3504 (gnus-message 3 "Can't select group")))
3506 ;; The user did a `C-g' while prompting for number of articles,
3507 ;; so we exit this group.
3508 ((eq did-select 'quit)
3509 (and (eq major-mode 'gnus-summary-mode)
3510 (not (equal (current-buffer) kill-buffer))
3511 (kill-buffer (current-buffer)))
3513 (gnus-kill-or-deaden-summary kill-buffer))
3514 (if (not quit-config)
3516 (set-buffer gnus-group-buffer)
3517 (gnus-group-jump-to-group group)
3518 (gnus-group-next-unread-group 1)
3519 (gnus-configure-windows 'group 'force))
3520 (gnus-handle-ephemeral-exit quit-config))
3521 ;; Finally signal the quit.
3523 ;; The group was successfully selected.
3525 (gnus-set-global-variables)
3526 ;; Save the active value in effect when the group was entered.
3527 (setq gnus-newsgroup-active
3529 (gnus-active gnus-newsgroup-name)))
3530 ;; You can change the summary buffer in some way with this hook.
3531 (gnus-run-hooks 'gnus-select-group-hook)
3532 (gnus-update-format-specifications
3533 nil 'summary 'summary-mode 'summary-dummy)
3534 (gnus-update-summary-mark-positions)
3535 ;; Do score processing.
3536 (when gnus-use-scoring
3537 (gnus-possibly-score-headers))
3538 ;; Check whether to fill in the gaps in the threads.
3539 (when gnus-build-sparse-threads
3540 (gnus-build-sparse-threads))
3541 ;; Find the initial limit.
3542 (if gnus-show-threads
3544 (let ((gnus-newsgroup-dormant nil))
3545 (gnus-summary-initial-limit show-all))
3546 (gnus-summary-initial-limit show-all))
3547 ;; When unthreaded, all articles are always shown.
3548 (setq gnus-newsgroup-limit
3550 (lambda (header) (mail-header-number header))
3551 gnus-newsgroup-headers)))
3552 ;; Generate the summary buffer.
3554 (gnus-summary-prepare))
3555 (when gnus-use-trees
3556 (gnus-tree-open group)
3557 (setq gnus-summary-highlight-line-function
3558 'gnus-tree-highlight-article))
3559 ;; If the summary buffer is empty, but there are some low-scored
3560 ;; articles or some excluded dormants, we include these in the
3562 (when (and (zerop (buffer-size))
3564 (cond (gnus-newsgroup-dormant
3565 (gnus-summary-limit-include-dormant))
3566 ((and gnus-newsgroup-scored show-all)
3567 (gnus-summary-limit-include-expunged t))))
3568 ;; Function `gnus-apply-kill-file' must be called in this hook.
3569 (gnus-run-hooks 'gnus-apply-kill-hook)
3570 (if (and (zerop (buffer-size))
3573 ;; This newsgroup is empty.
3574 (gnus-summary-catchup-and-exit nil t)
3575 (gnus-message 6 "No unread news")
3577 (gnus-kill-or-deaden-summary kill-buffer))
3578 ;; Return nil from this function.
3580 ;; Hide conversation thread subtrees. We cannot do this in
3581 ;; gnus-summary-prepare-hook since kill processing may not
3582 ;; work with hidden articles.
3583 (gnus-summary-maybe-hide-threads)
3585 (gnus-kill-or-deaden-summary kill-buffer))
3586 (gnus-summary-auto-select-subject)
3587 ;; Show first unread article if requested.
3588 (if (and (not no-article)
3590 gnus-newsgroup-unreads
3591 gnus-auto-select-first)
3593 (gnus-configure-windows 'summary)
3594 (let ((art (gnus-summary-article-number)))
3595 (unless (and (not gnus-plugged)
3596 (or (memq art gnus-newsgroup-undownloaded)
3597 (memq art gnus-newsgroup-downloadable)))
3598 (gnus-summary-goto-article art))))
3599 ;; Don't select any articles.
3600 (gnus-summary-position-point)
3601 (gnus-configure-windows 'summary 'force)
3602 (gnus-set-mode-line 'summary))
3603 (when (and gnus-auto-center-group
3604 (get-buffer-window gnus-group-buffer t))
3605 ;; Gotta use windows, because recenter does weird stuff if
3606 ;; the current buffer ain't the displayed window.
3607 (let ((owin (selected-window)))
3608 (select-window (get-buffer-window gnus-group-buffer t))
3609 (when (gnus-group-goto-group group)
3611 (select-window owin)))
3612 ;; Mark this buffer as "prepared".
3613 (setq gnus-newsgroup-prepared t)
3614 (gnus-run-hooks 'gnus-summary-prepared-hook)
3615 (unless (gnus-ephemeral-group-p group)
3616 (gnus-group-update-group group))
3619 (defun gnus-summary-auto-select-subject ()
3620 "Select the subject line on initial group entry."
3621 (goto-char (point-min))
3623 ((eq gnus-auto-select-subject 'best)
3624 (gnus-summary-best-unread-subject))
3625 ((eq gnus-auto-select-subject 'unread)
3626 (gnus-summary-first-unread-subject))
3627 ((eq gnus-auto-select-subject 'unseen)
3628 (gnus-summary-first-unseen-subject))
3629 ((eq gnus-auto-select-subject 'unseen-or-unread)
3630 (gnus-summary-first-unseen-or-unread-subject))
3631 ((eq gnus-auto-select-subject 'first)
3634 ((functionp gnus-auto-select-subject)
3635 (funcall gnus-auto-select-subject))))
3637 (defun gnus-summary-prepare ()
3638 "Generate the summary buffer."
3640 (let ((buffer-read-only nil))
3642 (setq gnus-newsgroup-data nil
3643 gnus-newsgroup-data-reverse nil)
3644 (gnus-run-hooks 'gnus-summary-generate-hook)
3645 ;; Generate the buffer, either with threads or without.
3646 (when gnus-newsgroup-headers
3647 (gnus-summary-prepare-threads
3648 (if gnus-show-threads
3649 (gnus-sort-gathered-threads
3650 (funcall gnus-summary-thread-gathering-function
3652 (gnus-cut-threads (gnus-make-threads)))))
3653 ;; Unthreaded display.
3654 (gnus-sort-articles gnus-newsgroup-headers))))
3655 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3656 ;; Call hooks for modifying summary buffer.
3657 (goto-char (point-min))
3658 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3660 (defsubst gnus-general-simplify-subject (subject)
3661 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3664 ;; Truncate the subject.
3665 (gnus-simplify-subject-functions
3666 (gnus-map-function gnus-simplify-subject-functions subject))
3667 ((numberp gnus-summary-gather-subject-limit)
3668 (setq subject (gnus-simplify-subject-re subject))
3669 (if (> (length subject) gnus-summary-gather-subject-limit)
3670 (substring subject 0 gnus-summary-gather-subject-limit)
3672 ;; Fuzzily simplify it.
3673 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3674 (gnus-simplify-subject-fuzzy subject))
3675 ;; Just remove the leading "Re:".
3677 (gnus-simplify-subject-re subject))))
3679 (if (and gnus-summary-gather-exclude-subject
3680 (string-match gnus-summary-gather-exclude-subject subject))
3681 nil ; This article shouldn't be gathered
3684 (defun gnus-summary-simplify-subject-query ()
3685 "Query where the respool algorithm would put this article."
3687 (gnus-summary-select-article)
3689 (gnus-general-simplify-subject (gnus-summary-article-subject))))
3691 (defun gnus-gather-threads-by-subject (threads)
3692 "Gather threads by looking at Subject headers."
3693 (if (not gnus-summary-make-false-root)
3695 (let ((hashtb (gnus-make-hashtable 1024))
3698 subject hthread whole-subject)
3700 (setq subject (gnus-general-simplify-subject
3701 (setq whole-subject (mail-header-subject
3704 (if (setq hthread (gnus-gethash subject hashtb))
3706 ;; We enter a dummy root into the thread, if we
3707 ;; haven't done that already.
3708 (unless (stringp (caar hthread))
3709 (setcar hthread (list whole-subject (car hthread))))
3710 ;; We add this new gathered thread to this gathered
3712 (setcdr (car hthread)
3713 (nconc (cdar hthread) (list (car threads))))
3714 ;; Remove it from the list of threads.
3715 (setcdr prev (cdr threads))
3716 (setq threads prev))
3717 ;; Enter this thread into the hash table.
3718 (gnus-sethash subject
3719 (if gnus-summary-make-false-root-always
3721 ;; If you want a dummy root above all
3723 (setcar threads (list whole-subject
3729 (setq threads (cdr threads)))
3732 (defun gnus-gather-threads-by-references (threads)
3733 "Gather threads by looking at References headers."
3734 (let ((idhashtb (gnus-make-hashtable 1024))
3735 (thhashtb (gnus-make-hashtable 1024))
3738 ids references id gthread gid entered ref)
3740 (when (setq references (mail-header-references (caar threads)))
3741 (setq id (mail-header-id (caar threads))
3742 ids (inline (gnus-split-references references))
3744 (while (setq ref (pop ids))
3745 (setq ids (delete ref ids))
3746 (if (not (setq gid (gnus-gethash ref idhashtb)))
3748 (gnus-sethash ref id idhashtb)
3749 (gnus-sethash id threads thhashtb))
3750 (setq gthread (gnus-gethash gid thhashtb))
3752 ;; We enter a dummy root into the thread, if we
3753 ;; haven't done that already.
3754 (unless (stringp (caar gthread))
3755 (setcar gthread (list (mail-header-subject (caar gthread))
3757 ;; We add this new gathered thread to this gathered
3759 (setcdr (car gthread)
3760 (nconc (cdar gthread) (list (car threads)))))
3761 ;; Add it into the thread hash table.
3762 (gnus-sethash id gthread thhashtb)
3764 ;; Remove it from the list of threads.
3765 (setcdr prev (cdr threads))
3766 (setq threads prev))))
3768 (setq threads (cdr threads)))
3771 (defun gnus-sort-gathered-threads (threads)
3772 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3773 (let ((result threads))
3775 (when (stringp (caar threads))
3776 (setcdr (car threads)
3777 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3778 (setq threads (cdr threads)))
3781 (defun gnus-thread-loop-p (root thread)
3782 "Say whether ROOT is in THREAD."
3783 (let ((stack (list thread))
3786 (while (setq thread (pop stack))
3787 (setq th (cdr thread))
3789 (not (eq (caar th) root)))
3792 ;; We have found a loop.
3794 (setcdr thread (delq (car th) (cdr thread)))
3795 (if (boundp (setq ref-dep (intern "none"
3796 gnus-newsgroup-dependencies)))
3797 (setcdr (symbol-value ref-dep)
3798 (nconc (cdr (symbol-value ref-dep))
3800 (set ref-dep (list nil (car th))))
3803 ;; Push all the subthreads onto the stack.
3804 (push (cdr thread) stack)))
3807 (defun gnus-make-threads ()
3808 "Go through the dependency hashtb and find the roots. Return all threads."
3810 (while (catch 'infloop
3813 ;; Deal with self-referencing References loops.
3814 (when (and (car (symbol-value refs))
3821 (car (symbol-value refs)) thread))
3822 (cdr (symbol-value refs)))))))
3825 (unless (car (symbol-value refs))
3826 ;; These threads do not refer back to any other articles,
3827 ;; so they're roots.
3828 (setq threads (append (cdr (symbol-value refs)) threads))))
3829 gnus-newsgroup-dependencies)))
3832 ;; Build the thread tree.
3833 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3834 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3836 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3837 if it was already present.
3839 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3840 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3841 Message-IDs will be renamed to a unique Message-ID before being
3844 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3845 (let* ((id (mail-header-id header))
3846 (id-dep (and id (intern id dependencies)))
3847 parent-id ref ref-dep ref-header replaced)
3848 ;; Enter this `header' in the `dependencies' table.
3852 ;; The first two cases do the normal part: enter a new `header'
3853 ;; in the `dependencies' table.
3854 ((not (boundp id-dep))
3855 (set id-dep (list header)))
3856 ((null (car (symbol-value id-dep)))
3857 (setcar (symbol-value id-dep) header))
3859 ;; From here the `header' was already present in the
3860 ;; `dependencies' table.
3862 ;; Overrides an existing entry;
3863 ;; just set the header part of the entry.
3864 (setcar (symbol-value id-dep) header)
3867 ;; Renames the existing `header' to a unique Message-ID.
3868 ((not gnus-summary-ignore-duplicates)
3869 ;; An article with this Message-ID has already been seen.
3870 ;; We rename the Message-ID.
3871 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3873 (mail-header-set-id header id))
3875 ;; The last case ignores an existing entry, except it adds any
3876 ;; additional Xrefs (in case the two articles came from different
3878 ;; Also sets `header' to `nil' meaning that the `dependencies'
3879 ;; table was *not* modified.
3881 (mail-header-set-xref
3882 (car (symbol-value id-dep))
3883 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3885 (or (mail-header-xref header) "")))
3888 (when (and header (not replaced))
3889 ;; First check that we are not creating a References loop.
3890 (setq parent-id (gnus-parent-id (mail-header-references header)))
3891 (setq ref parent-id)
3893 (setq ref-dep (intern-soft ref dependencies))
3895 (setq ref-header (car (symbol-value ref-dep))))
3896 (if (string= id ref)
3897 ;; Yuk! This is a reference loop. Make the article be a
3900 (mail-header-set-references (car (symbol-value id-dep)) "none")
3902 (setq parent-id nil))
3903 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3904 (setq ref-dep (intern (or parent-id "none") dependencies))
3905 (if (boundp ref-dep)
3906 (setcdr (symbol-value ref-dep)
3907 (nconc (cdr (symbol-value ref-dep))
3908 (list (symbol-value id-dep))))
3909 (set ref-dep (list nil (symbol-value id-dep)))))
3912 (defun gnus-extract-message-id-from-in-reply-to (string)
3913 (if (string-match "<[^>]+>" string)
3914 (substring string (match-beginning 0) (match-end 0))
3917 (defun gnus-build-sparse-threads ()
3918 (let ((headers gnus-newsgroup-headers)
3919 (mail-parse-charset gnus-newsgroup-charset)
3920 (gnus-summary-ignore-duplicates t)
3921 header references generation relations
3922 subject child end new-child date)
3923 ;; First we create an alist of generations/relations, where
3924 ;; generations is how much we trust the relation, and the relation
3926 (gnus-message 7 "Making sparse threads...")
3928 (nnheader-set-temp-buffer " *gnus sparse threads*")
3929 (while (setq header (pop headers))
3930 (when (and (setq references (mail-header-references header))
3931 (not (string= references "")))
3933 (setq child (mail-header-id header)
3934 subject (mail-header-subject header)
3935 date (mail-header-date header)
3937 (while (search-backward ">" nil t)
3938 (setq end (1+ (point)))
3939 (when (search-backward "<" nil t)
3940 (setq new-child (buffer-substring (point) end))
3941 (push (list (incf generation)
3942 child (setq child new-child)
3946 (push (list (1+ generation) child nil subject) relations))
3948 (kill-buffer (current-buffer)))
3949 ;; Sort over trustworthiness.
3952 (when (gnus-dependencies-add-header
3953 (make-full-mail-header-from-decoded-header
3954 gnus-reffed-article-number
3955 (nth 3 relation) "" (or (nth 4 relation) "")
3957 (or (nth 2 relation) "") 0 0 "")
3958 gnus-newsgroup-dependencies nil)
3959 (push gnus-reffed-article-number gnus-newsgroup-limit)
3960 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3961 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3962 gnus-newsgroup-reads)
3963 (decf gnus-reffed-article-number)))
3964 (sort relations 'car-less-than-car))
3965 (gnus-message 7 "Making sparse threads...done")))
3967 (defun gnus-build-old-threads ()
3968 ;; Look at all the articles that refer back to old articles, and
3969 ;; fetch the headers for the articles that aren't there. This will
3970 ;; build complete threads - if the roots haven't been expired by the
3972 (let ((mail-parse-charset gnus-newsgroup-charset)
3976 (when (not (car (symbol-value refs)))
3977 (setq heads (cdr (symbol-value refs)))
3979 (if (memq (mail-header-number (caar heads))
3980 gnus-newsgroup-dormant)
3981 (setq heads (cdr heads))
3982 (setq id (symbol-name refs))
3983 (while (and (setq id (gnus-build-get-header id))
3984 (not (car (gnus-id-to-thread id)))))
3985 (setq heads nil)))))
3986 gnus-newsgroup-dependencies)))
3988 (defsubst gnus-remove-odd-characters (string)
3989 "Translate STRING into something that doesn't contain weird characters."
3990 (mm-subst-char-in-string
3992 (mm-subst-char-in-string
3995 ;; This function has to be called with point after the article number
3996 ;; on the beginning of the line.
3997 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3998 (let ((eol (point-at-eol))
3999 (buffer (current-buffer))
4000 header references in-reply-to)
4002 ;; overview: [num subject from date id refs chars lines misc]
4005 (narrow-to-region (point) eol)
4010 (make-full-mail-header
4012 (nnheader-nov-field) ; subject
4013 (nnheader-nov-field) ; from
4014 (nnheader-nov-field) ; date
4015 (nnheader-nov-read-message-id) ; id
4016 (nnheader-nov-field) ; refs
4017 (nnheader-nov-read-integer) ; chars
4018 (nnheader-nov-read-integer) ; lines
4020 (if (looking-at "Xref: ")
4021 (goto-char (match-end 0)))
4022 (nnheader-nov-field)) ; Xref
4023 (nnheader-nov-parse-extra)))) ; extra
4027 (when (and (string= references "")
4028 (setq in-reply-to (mail-header-extra header))
4029 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4030 (mail-header-set-references
4031 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4033 (when gnus-alter-header-function
4034 (funcall gnus-alter-header-function header))
4035 (gnus-dependencies-add-header header dependencies force-new)))
4037 (defun gnus-build-get-header (id)
4038 "Look through the buffer of NOV lines and find the header to ID.
4039 Enter this line into the dependencies hash table, and return
4040 the id of the parent article (if any)."
4041 (let ((deps gnus-newsgroup-dependencies)
4045 (set-buffer nntp-server-buffer)
4046 (let ((case-fold-search nil))
4047 (goto-char (point-min))
4048 (while (and (not found)
4049 (search-forward id nil t))
4051 (setq found (looking-at
4052 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4053 (regexp-quote id))))
4054 (or found (beginning-of-line 2)))
4058 (setq header (gnus-nov-parse-line
4059 (read (current-buffer)) deps))
4060 (gnus-parent-id (mail-header-references header))))))
4062 (let ((number (mail-header-number header)))
4063 (push number gnus-newsgroup-limit)
4064 (push header gnus-newsgroup-headers)
4065 (if (memq number gnus-newsgroup-unselected)
4067 (setq gnus-newsgroup-unreads
4068 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4070 (setq gnus-newsgroup-unselected
4071 (delq number gnus-newsgroup-unselected)))
4072 (push number gnus-newsgroup-ancient)))))))
4074 (defun gnus-build-all-threads ()
4075 "Read all the headers."
4076 (let ((gnus-summary-ignore-duplicates t)
4077 (mail-parse-charset gnus-newsgroup-charset)
4078 (dependencies gnus-newsgroup-dependencies)
4081 (set-buffer nntp-server-buffer)
4082 (let ((case-fold-search nil))
4083 (goto-char (point-min))
4086 (setq article (read (current-buffer))
4087 header (gnus-nov-parse-line article dependencies)))
4090 (set-buffer gnus-summary-buffer)
4091 (push header gnus-newsgroup-headers)
4092 (if (memq (setq article (mail-header-number header))
4093 gnus-newsgroup-unselected)
4095 (setq gnus-newsgroup-unreads
4096 (gnus-add-to-sorted-list
4097 gnus-newsgroup-unreads article))
4098 (setq gnus-newsgroup-unselected
4099 (delq article gnus-newsgroup-unselected)))
4100 (push article gnus-newsgroup-ancient)))
4101 (forward-line 1)))))))
4103 (defun gnus-summary-update-article-line (article header)
4104 "Update the line for ARTICLE using HEADER."
4105 (let* ((id (mail-header-id header))
4106 (thread (gnus-id-to-thread id)))
4108 (error "Article in no thread"))
4109 ;; Update the thread.
4110 (setcar thread header)
4111 (gnus-summary-goto-subject article)
4112 (let* ((datal (gnus-data-find-list article))
4114 (buffer-read-only nil)
4115 (level (gnus-summary-thread-level)))
4117 (let ((inserted (- (point)
4119 (gnus-summary-insert-line
4121 (memq article gnus-newsgroup-undownloaded)
4122 (gnus-article-mark article)
4123 (memq article gnus-newsgroup-replied)
4124 (memq article gnus-newsgroup-expirable)
4125 ;; Only insert the Subject string when it's different
4126 ;; from the previous Subject string.
4131 (mail-header-subject
4134 (gnus-data-find-list
4136 (gnus-data-list t)))))
4137 ;; Error on the side of excessive subjects.
4139 (mail-header-subject header)))
4141 (mail-header-subject header))
4142 nil (cdr (assq article gnus-newsgroup-scored))
4143 (memq article gnus-newsgroup-processable))
4146 (gnus-data-update-list
4148 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4150 (defun gnus-summary-update-article (article &optional iheader)
4151 "Update ARTICLE in the summary buffer."
4152 (set-buffer gnus-summary-buffer)
4153 (let* ((header (gnus-summary-article-header article))
4154 (id (mail-header-id header))
4155 (data (gnus-data-find article))
4156 (thread (gnus-id-to-thread id))
4157 (references (mail-header-references header))
4161 (when (and references
4162 (not (equal "" references)))
4165 (buffer-read-only nil)
4171 (delq thread parent)))
4172 (if (gnus-summary-insert-subject id header)
4173 ;; Set the (possibly) new article number in the data structure.
4174 (gnus-data-set-number data (gnus-id-to-article id))
4178 (defun gnus-rebuild-thread (id &optional line)
4179 "Rebuild the thread containing ID.
4180 If LINE, insert the rebuilt thread starting on line LINE."
4181 (let ((buffer-read-only nil)
4182 old-pos current thread data)
4183 (if (not gnus-show-threads)
4184 (setq thread (list (car (gnus-id-to-thread id))))
4185 ;; Get the thread this article is part of.
4186 (setq thread (gnus-remove-thread id)))
4187 (setq old-pos (point-at-bol))
4188 (setq current (save-excursion
4189 (and (re-search-backward "[\r\n]" nil t)
4190 (gnus-summary-article-number))))
4191 ;; If this is a gathered thread, we have to go some re-gathering.
4192 (when (stringp (car thread))
4193 (let ((subject (car thread))
4195 (setq thread (cdr thread))
4197 (unless (memq (setq thr (gnus-id-to-thread
4199 (mail-header-id (caar thread)))))
4202 (setq thread (cdr thread)))
4203 ;; We now have all (unique) roots.
4204 (if (= (length roots) 1)
4205 ;; All the loose roots are now one solid root.
4206 (setq thread (car roots))
4207 (setq thread (cons subject (gnus-sort-threads roots))))))
4209 ;; We then insert this thread into the summary buffer.
4211 (goto-char (point-min))
4212 (forward-line (1- line)))
4213 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4214 (if gnus-show-threads
4215 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4216 (gnus-summary-prepare-unthreaded thread))
4217 (setq data (nreverse gnus-newsgroup-data))
4218 (setq threads gnus-newsgroup-threads))
4219 ;; We splice the new data into the data structure.
4220 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4221 ;;!!! then we want to insert at the beginning of the buffer.
4222 ;;!!! That happens to be true with Gnus now, but that may
4223 ;;!!! change in the future. Perhaps.
4224 (gnus-data-enter-list
4225 (if line nil current) data (- (point) old-pos))
4226 (setq gnus-newsgroup-threads
4227 (nconc threads gnus-newsgroup-threads))
4228 (gnus-data-compute-positions))))
4230 (defun gnus-number-to-header (number)
4231 "Return the header for article NUMBER."
4232 (let ((headers gnus-newsgroup-headers))
4234 (not (= number (mail-header-number (car headers)))))
4239 (defun gnus-parent-headers (in-headers &optional generation)
4240 "Return the headers of the GENERATIONeth parent of HEADERS."
4242 (setq generation 1))
4244 (headers in-headers)
4247 (not (zerop generation))
4248 (setq references (mail-header-references headers)))
4249 (setq headers (if (and references
4250 (setq parent (gnus-parent-id references)))
4251 (car (gnus-id-to-thread parent))
4254 (and (not (eq headers in-headers))
4257 (defun gnus-id-to-thread (id)
4258 "Return the (sub-)thread where ID appears."
4259 (gnus-gethash id gnus-newsgroup-dependencies))
4261 (defun gnus-id-to-article (id)
4262 "Return the article number of ID."
4263 (let ((thread (gnus-id-to-thread id)))
4266 (mail-header-number (car thread)))))
4268 (defun gnus-id-to-header (id)
4269 "Return the article headers of ID."
4270 (car (gnus-id-to-thread id)))
4272 (defun gnus-article-displayed-root-p (article)
4273 "Say whether ARTICLE is a root(ish) article."
4274 (let ((level (gnus-summary-thread-level article))
4275 (refs (mail-header-references (gnus-summary-article-header article)))
4281 ((null (gnus-parent-id refs)) t)
4283 (null (setq particle (gnus-id-to-article
4284 (gnus-parent-id refs))))
4285 (null (gnus-summary-thread-level particle)))))))
4287 (defun gnus-root-id (id)
4288 "Return the id of the root of the thread where ID appears."
4290 (while (and id (setq prev (car (gnus-id-to-thread id))))
4292 id (gnus-parent-id (mail-header-references prev))))
4295 (defun gnus-articles-in-thread (thread)
4296 "Return the list of articles in THREAD."
4297 (cons (mail-header-number (car thread))
4298 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4300 (defun gnus-remove-thread (id &optional dont-remove)
4301 "Remove the thread that has ID in it."
4302 (let (headers thread last-id)
4303 ;; First go up in this thread until we find the root.
4304 (setq last-id (gnus-root-id id)
4305 headers (message-flatten-list (gnus-id-to-thread last-id)))
4306 ;; We have now found the real root of this thread. It might have
4307 ;; been gathered into some loose thread, so we have to search
4308 ;; through the threads to find the thread we wanted.
4309 (let ((threads gnus-newsgroup-threads)
4312 (setq sub (car threads))
4313 (if (stringp (car sub))
4314 ;; This is a gathered thread, so we look at the roots
4315 ;; below it to find whether this article is in this
4318 (setq sub (cdr sub))
4320 (when (member (caar sub) headers)
4321 (setq thread (car threads)
4324 (setq sub (cdr sub))))
4325 ;; It's an ordinary thread, so we check it.
4326 (when (eq (car sub) (car headers))
4329 (setq threads (cdr threads)))
4330 ;; If this article is in no thread, then it's a root.
4333 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4334 (setq thread (gnus-id-to-thread last-id)))
4337 thread ; We return this thread.
4339 (if (stringp (car thread))
4341 ;; If we use dummy roots, then we have to remove the
4342 ;; dummy root as well.
4343 (when (eq gnus-summary-make-false-root 'dummy)
4344 ;; We go to the dummy root by going to
4345 ;; the first sub-"thread", and then one line up.
4346 (gnus-summary-goto-article
4347 (mail-header-number (caadr thread)))
4350 (gnus-data-compute-positions))
4351 (setq thread (cdr thread))
4353 (gnus-remove-thread-1 (car thread))
4354 (setq thread (cdr thread))))
4355 (gnus-remove-thread-1 thread))))))))
4357 (defun gnus-remove-thread-1 (thread)
4358 "Remove the thread THREAD recursively."
4359 (let ((number (mail-header-number (pop thread)))
4361 (setq thread (reverse thread))
4363 (gnus-remove-thread-1 (pop thread)))
4364 (when (setq d (gnus-data-find number))
4365 (goto-char (gnus-data-pos d))
4366 (gnus-summary-show-thread)
4372 (gnus-delete-line)))))))
4374 (defun gnus-sort-threads-1 (threads func)
4375 (sort (mapcar (lambda (thread)
4378 (gnus-sort-threads-1 (cdr thread) func))))
4381 (defun gnus-sort-threads (threads)
4383 (if (not gnus-thread-sort-functions)
4385 (gnus-message 8 "Sorting threads...")
4386 (let ((max-lisp-eval-depth 5000))
4387 (prog1 (gnus-sort-threads-1
4389 (gnus-make-sort-function gnus-thread-sort-functions))
4390 (gnus-message 8 "Sorting threads...done")))))
4392 (defun gnus-sort-articles (articles)
4394 (when gnus-article-sort-functions
4395 (gnus-message 7 "Sorting articles...")
4397 (setq gnus-newsgroup-headers
4398 (sort articles (gnus-make-sort-function
4399 gnus-article-sort-functions)))
4400 (gnus-message 7 "Sorting articles...done"))))
4402 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4403 (defmacro gnus-thread-header (thread)
4404 "Return header of first article in THREAD.
4405 Note that THREAD must never, ever be anything else than a variable -
4406 using some other form will lead to serious barfage."
4407 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4408 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4409 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4412 (defsubst gnus-article-sort-by-number (h1 h2)
4413 "Sort articles by article number."
4414 (< (mail-header-number h1)
4415 (mail-header-number h2)))
4417 (defun gnus-thread-sort-by-number (h1 h2)
4418 "Sort threads by root article number."
4419 (gnus-article-sort-by-number
4420 (gnus-thread-header h1) (gnus-thread-header h2)))
4422 (defsubst gnus-article-sort-by-random (h1 h2)
4423 "Sort articles by article number."
4426 (defun gnus-thread-sort-by-random (h1 h2)
4427 "Sort threads by root article number."
4428 (gnus-article-sort-by-random
4429 (gnus-thread-header h1) (gnus-thread-header h2)))
4431 (defsubst gnus-article-sort-by-lines (h1 h2)
4432 "Sort articles by article Lines header."
4433 (< (mail-header-lines h1)
4434 (mail-header-lines h2)))
4436 (defun gnus-thread-sort-by-lines (h1 h2)
4437 "Sort threads by root article Lines header."
4438 (gnus-article-sort-by-lines
4439 (gnus-thread-header h1) (gnus-thread-header h2)))
4441 (defsubst gnus-article-sort-by-chars (h1 h2)
4442 "Sort articles by octet length."
4443 (< (mail-header-chars h1)
4444 (mail-header-chars h2)))
4446 (defun gnus-thread-sort-by-chars (h1 h2)
4447 "Sort threads by root article octet length."
4448 (gnus-article-sort-by-chars
4449 (gnus-thread-header h1) (gnus-thread-header h2)))
4451 (defsubst gnus-article-sort-by-author (h1 h2)
4452 "Sort articles by root author."
4454 (let ((addr (car (mime-entity-read-field h1 'From))))
4455 (or (std11-full-name-string addr)
4456 (std11-address-string addr)
4458 (let ((addr (car (mime-entity-read-field h2 'From))))
4459 (or (std11-full-name-string addr)
4460 (std11-address-string addr)
4464 (defun gnus-thread-sort-by-author (h1 h2)
4465 "Sort threads by root author."
4466 (gnus-article-sort-by-author
4467 (gnus-thread-header h1) (gnus-thread-header h2)))
4469 (defsubst gnus-article-sort-by-subject (h1 h2)
4470 "Sort articles by root subject."
4472 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4473 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4475 (defun gnus-thread-sort-by-subject (h1 h2)
4476 "Sort threads by root subject."
4477 (gnus-article-sort-by-subject
4478 (gnus-thread-header h1) (gnus-thread-header h2)))
4480 (defsubst gnus-article-sort-by-date (h1 h2)
4481 "Sort articles by root article date."
4483 (gnus-date-get-time (mail-header-date h1))
4484 (gnus-date-get-time (mail-header-date h2))))
4486 (defun gnus-thread-sort-by-date (h1 h2)
4487 "Sort threads by root article date."
4488 (gnus-article-sort-by-date
4489 (gnus-thread-header h1) (gnus-thread-header h2)))
4491 (defsubst gnus-article-sort-by-score (h1 h2)
4492 "Sort articles by root article score.
4493 Unscored articles will be counted as having a score of zero."
4494 (> (or (cdr (assq (mail-header-number h1)
4495 gnus-newsgroup-scored))
4496 gnus-summary-default-score 0)
4497 (or (cdr (assq (mail-header-number h2)
4498 gnus-newsgroup-scored))
4499 gnus-summary-default-score 0)))
4501 (defun gnus-thread-sort-by-score (h1 h2)
4502 "Sort threads by root article score."
4503 (gnus-article-sort-by-score
4504 (gnus-thread-header h1) (gnus-thread-header h2)))
4506 (defun gnus-thread-sort-by-total-score (h1 h2)
4507 "Sort threads by the sum of all scores in the thread.
4508 Unscored articles will be counted as having a score of zero."
4509 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4511 (defun gnus-thread-total-score (thread)
4512 ;; This function find the total score of THREAD.
4517 (if (stringp (car thread))
4518 (apply gnus-thread-score-function 0
4519 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4520 (gnus-thread-total-score-1 thread)))
4522 (gnus-thread-total-score-1 (list thread)))))
4524 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4525 "Sort threads such that the thread with the most recently arrived article comes first."
4526 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4528 (defun gnus-thread-highest-number (thread)
4529 "Return the highest article number in THREAD."
4530 (apply 'max (mapcar (lambda (header)
4531 (mail-header-number header))
4532 (message-flatten-list thread))))
4534 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4535 "Sort threads such that the thread with the most recently dated article comes first."
4536 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4538 (defun gnus-thread-latest-date (thread)
4539 "Return the highest article date in THREAD."
4540 (let ((previous-time 0))
4546 (time-to-seconds (mail-header-parse-date
4547 (mail-header-date header)))
4548 (error previous-time))))
4550 (message-flatten-list thread)
4552 (< (mail-header-number h1)
4553 (mail-header-number h2))))))))
4555 (defun gnus-thread-total-score-1 (root)
4556 ;; This function find the total score of the thread below ROOT.
4557 (setq root (car root))
4558 (apply gnus-thread-score-function
4560 (mapcar 'gnus-thread-total-score
4561 (cdr (gnus-id-to-thread (mail-header-id root))))
4562 (when (> (mail-header-number root) 0)
4563 (list (or (cdr (assq (mail-header-number root)
4564 gnus-newsgroup-scored))
4565 gnus-summary-default-score 0))))
4566 (list gnus-summary-default-score)
4569 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4570 (defvar gnus-tmp-prev-subject nil)
4571 (defvar gnus-tmp-false-parent nil)
4572 (defvar gnus-tmp-root-expunged nil)
4573 (defvar gnus-tmp-dummy-line nil)
4575 (eval-when-compile (defvar gnus-tmp-header))
4576 (defun gnus-extra-header (type &optional header)
4577 "Return the extra header of TYPE."
4578 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4581 (defvar gnus-tmp-thread-tree-header-string "")
4583 (defcustom gnus-sum-thread-tree-root "> "
4584 "With %B spec, used for the root of a thread.
4585 If nil, use subject instead."
4586 :type '(radio (const :format "%v " nil) (string :size 0))
4587 :group 'gnus-thread)
4588 (defcustom gnus-sum-thread-tree-false-root "> "
4589 "With %B spec, used for a false root of a thread.
4590 If nil, use subject instead."
4591 :type '(radio (const :format "%v " nil) (string :size 0))
4592 :group 'gnus-thread)
4593 (defcustom gnus-sum-thread-tree-single-indent ""
4594 "With %B spec, used for a thread with just one message.
4595 If nil, use subject instead."
4596 :type '(radio (const :format "%v " nil) (string :size 0))
4597 :group 'gnus-thread)
4598 (defcustom gnus-sum-thread-tree-vertical "| "
4599 "With %B spec, used for drawing a vertical line."
4601 :group 'gnus-thread)
4602 (defcustom gnus-sum-thread-tree-indent " "
4603 "With %B spec, used for indenting."
4605 :group 'gnus-thread)
4606 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4607 "With %B spec, used for a leaf with brothers."
4609 :group 'gnus-thread)
4610 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4611 "With %B spec, used for a leaf without brothers."
4613 :group 'gnus-thread)
4615 (defun gnus-summary-prepare-threads (threads)
4616 "Prepare summary buffer from THREADS and indentation LEVEL.
4617 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4618 or a straight list of headers."
4619 (gnus-message 7 "Generating summary...")
4621 (setq gnus-newsgroup-threads threads)
4624 (let ((gnus-tmp-level 0)
4625 (default-score (or gnus-summary-default-score 0))
4626 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4627 (building-line-count gnus-summary-display-while-building)
4628 (building-count (integerp gnus-summary-display-while-building))
4629 thread number subject stack state gnus-tmp-gathered beg-match
4630 new-roots gnus-tmp-new-adopts thread-end simp-subject
4631 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4632 gnus-tmp-replied gnus-tmp-subject-or-nil
4633 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4634 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4635 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4638 (setq gnus-tmp-prev-subject nil
4639 gnus-tmp-thread-tree-header-string "")
4641 (if (vectorp (car threads))
4642 ;; If this is a straight (sic) list of headers, then a
4643 ;; threaded summary display isn't required, so we just create
4644 ;; an unthreaded one.
4645 (gnus-summary-prepare-unthreaded threads)
4647 ;; Do the threaded display.
4649 (if gnus-summary-display-while-building
4650 (switch-to-buffer (buffer-name)))
4651 (while (or threads stack gnus-tmp-new-adopts new-roots)
4653 (if (and (= gnus-tmp-level 0)
4656 (not gnus-tmp-false-parent)
4657 (or gnus-tmp-new-adopts new-roots))
4658 (if gnus-tmp-new-adopts
4659 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4660 thread (list (car gnus-tmp-new-adopts))
4661 gnus-tmp-header (caar thread)
4662 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4664 (setq thread (list (car new-roots))
4665 gnus-tmp-header (caar thread)
4666 new-roots (cdr new-roots))))
4669 ;; If there are some threads, we do them before the
4670 ;; threads on the stack.
4671 (setq thread threads
4672 gnus-tmp-header (caar thread))
4673 ;; There were no current threads, so we pop something off
4675 (setq state (car stack)
4676 gnus-tmp-level (car state)
4677 tree-stack (cadr state)
4678 thread (caddr state)
4680 gnus-tmp-header (caar thread))))
4682 (setq gnus-tmp-false-parent nil)
4683 (setq gnus-tmp-root-expunged nil)
4684 (setq thread-end nil)
4686 (if (stringp gnus-tmp-header)
4687 ;; The header is a dummy root.
4689 ((eq gnus-summary-make-false-root 'adopt)
4690 ;; We let the first article adopt the rest.
4691 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4693 (setq gnus-tmp-gathered
4695 (lambda (h) (mail-header-number (car h)))
4698 (setq thread (cons (list (caar thread)
4701 (setq gnus-tmp-level -1
4702 gnus-tmp-false-parent t))
4703 ((eq gnus-summary-make-false-root 'empty)
4704 ;; We print adopted articles with empty subject fields.
4705 (setq gnus-tmp-gathered
4707 (lambda (h) (mail-header-number (car h)))
4710 (setq gnus-tmp-level -1))
4711 ((eq gnus-summary-make-false-root 'dummy)
4712 ;; We remember that we probably want to output a dummy
4714 (setq gnus-tmp-dummy-line gnus-tmp-header)
4715 (setq gnus-tmp-prev-subject gnus-tmp-header))
4717 ;; We do not make a root for the gathered
4718 ;; sub-threads at all.
4719 (setq gnus-tmp-level -1)))
4721 (setq number (mail-header-number gnus-tmp-header)
4722 subject (mail-header-subject gnus-tmp-header)
4723 simp-subject (gnus-simplify-subject-fully subject))
4726 ;; If the thread has changed subject, we might want to make
4727 ;; this subthread into a root.
4728 ((and (null gnus-thread-ignore-subject)
4729 (not (zerop gnus-tmp-level))
4730 gnus-tmp-prev-subject
4731 (not (string= gnus-tmp-prev-subject simp-subject)))
4732 (setq new-roots (nconc new-roots (list (car thread)))
4734 gnus-tmp-header nil))
4735 ;; If the article lies outside the current limit,
4736 ;; then we do not display it.
4737 ((not (memq number gnus-newsgroup-limit))
4738 (setq gnus-tmp-gathered
4740 (lambda (h) (mail-header-number (car h)))
4743 (setq gnus-tmp-new-adopts (if (cdar thread)
4744 (append gnus-tmp-new-adopts
4746 gnus-tmp-new-adopts)
4748 gnus-tmp-header nil)
4749 (when (zerop gnus-tmp-level)
4750 (setq gnus-tmp-root-expunged t)))
4751 ;; Perhaps this article is to be marked as read?
4752 ((and gnus-summary-mark-below
4753 (< (or (cdr (assq number gnus-newsgroup-scored))
4755 gnus-summary-mark-below)
4756 ;; Don't touch sparse articles.
4757 (not (gnus-summary-article-sparse-p number))
4758 (not (gnus-summary-article-ancient-p number)))
4759 (setq gnus-newsgroup-unreads
4760 (delq number gnus-newsgroup-unreads))
4761 (if gnus-newsgroup-auto-expire
4762 (setq gnus-newsgroup-expirable
4763 (gnus-add-to-sorted-list
4764 gnus-newsgroup-expirable number))
4765 (push (cons number gnus-low-score-mark)
4766 gnus-newsgroup-reads))))
4768 (when gnus-tmp-header
4769 ;; We may have an old dummy line to output before this
4771 (when (and gnus-tmp-dummy-line
4774 (mail-header-subject gnus-tmp-header)))
4775 (gnus-summary-insert-dummy-line
4776 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4777 (setq gnus-tmp-dummy-line nil))
4779 ;; Compute the mark.
4780 (setq gnus-tmp-unread (gnus-article-mark number))
4782 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4783 gnus-tmp-header gnus-tmp-level)
4784 gnus-newsgroup-data)
4786 ;; Actually insert the line.
4788 gnus-tmp-subject-or-nil
4790 ((and gnus-thread-ignore-subject
4791 gnus-tmp-prev-subject
4792 (not (string= gnus-tmp-prev-subject simp-subject)))
4794 ((zerop gnus-tmp-level)
4795 (if (and (eq gnus-summary-make-false-root 'empty)
4796 (memq number gnus-tmp-gathered)
4797 gnus-tmp-prev-subject
4798 (string= gnus-tmp-prev-subject simp-subject))
4799 gnus-summary-same-subject
4801 (t gnus-summary-same-subject)))
4802 (if (and (eq gnus-summary-make-false-root 'adopt)
4803 (= gnus-tmp-level 1)
4804 (memq number gnus-tmp-gathered))
4805 (setq gnus-tmp-opening-bracket ?\<
4806 gnus-tmp-closing-bracket ?\>)
4807 (setq gnus-tmp-opening-bracket ?\[
4808 gnus-tmp-closing-bracket ?\]))
4810 gnus-tmp-indentation
4811 (aref gnus-thread-indent-array gnus-tmp-level)
4812 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4813 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4814 gnus-summary-default-score 0)
4816 (if (or (null gnus-summary-default-score)
4817 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4818 gnus-summary-zcore-fuzz))
4820 (if (< gnus-tmp-score gnus-summary-default-score)
4821 gnus-score-below-mark gnus-score-over-mark))
4823 (cond ((memq number gnus-newsgroup-processable)
4825 ((memq number gnus-newsgroup-cached)
4827 ((memq number gnus-newsgroup-replied)
4829 ((memq number gnus-newsgroup-forwarded)
4830 gnus-forwarded-mark)
4831 ((memq number gnus-newsgroup-saved)
4833 ((memq number gnus-newsgroup-recent)
4835 ((memq number gnus-newsgroup-unseen)
4839 (cond ((memq number gnus-newsgroup-undownloaded)
4840 gnus-undownloaded-mark)
4841 (gnus-newsgroup-agentized
4842 gnus-downloaded-mark)
4845 gnus-tmp-from (mail-header-from gnus-tmp-header)
4848 ((string-match "<[^>]+> *$" gnus-tmp-from)
4849 (setq beg-match (match-beginning 0))
4850 (or (and (string-match "^\".+\"" gnus-tmp-from)
4851 (substring gnus-tmp-from 1 (1- (match-end 0))))
4852 (substring gnus-tmp-from 0 beg-match)))
4853 ((string-match "(.+)" gnus-tmp-from)
4854 (substring gnus-tmp-from
4855 (1+ (match-beginning 0)) (1- (match-end 0))))
4859 gnus-tmp-thread-tree-header-string
4861 ((not gnus-show-threads) "")
4862 ((zerop gnus-tmp-level)
4863 (cond ((cdar thread)
4864 (or gnus-sum-thread-tree-root subject))
4865 (gnus-tmp-new-adopts
4866 (or gnus-sum-thread-tree-false-root subject))
4868 (or gnus-sum-thread-tree-single-indent subject))))
4870 (concat (apply 'concat
4871 (mapcar (lambda (item)
4873 gnus-sum-thread-tree-vertical
4874 gnus-sum-thread-tree-indent))
4875 (cdr (reverse tree-stack))))
4877 gnus-sum-thread-tree-leaf-with-other
4878 gnus-sum-thread-tree-single-leaf)))))
4879 (when (string= gnus-tmp-name "")
4880 (setq gnus-tmp-name gnus-tmp-from))
4881 (unless (numberp gnus-tmp-lines)
4882 (setq gnus-tmp-lines -1))
4883 (if (= gnus-tmp-lines -1)
4884 (setq gnus-tmp-lines "?")
4885 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4886 (gnus-put-text-property
4888 (progn (eval gnus-summary-line-format-spec) (point))
4889 'gnus-number number)
4892 (gnus-run-hooks 'gnus-summary-update-hook)
4895 (setq gnus-tmp-prev-subject simp-subject)))
4897 (when (nth 1 thread)
4898 (push (list (max 0 gnus-tmp-level)
4899 (copy-sequence tree-stack)
4902 (push (if (nth 1 thread) 1 0) tree-stack)
4903 (incf gnus-tmp-level)
4904 (setq threads (if thread-end nil (cdar thread)))
4905 (if gnus-summary-display-while-building
4908 ;; use a set frequency
4909 (setq building-line-count (1- building-line-count))
4910 (when (= building-line-count 0)
4912 (setq building-line-count
4913 gnus-summary-display-while-building)))
4917 (setq gnus-tmp-level 0)))))
4918 (gnus-message 7 "Generating summary...done"))
4920 (defun gnus-summary-prepare-unthreaded (headers)
4921 "Generate an unthreaded summary buffer based on HEADERS."
4922 (let (header number mark)
4927 ;; We may have to root out some bad articles...
4928 (when (memq (setq number (mail-header-number
4929 (setq header (pop headers))))
4930 gnus-newsgroup-limit)
4931 ;; Mark article as read when it has a low score.
4932 (when (and gnus-summary-mark-below
4933 (< (or (cdr (assq number gnus-newsgroup-scored))
4934 gnus-summary-default-score 0)
4935 gnus-summary-mark-below)
4936 (not (gnus-summary-article-ancient-p number)))
4937 (setq gnus-newsgroup-unreads
4938 (delq number gnus-newsgroup-unreads))
4939 (if gnus-newsgroup-auto-expire
4940 (push number gnus-newsgroup-expirable)
4941 (push (cons number gnus-low-score-mark)
4942 gnus-newsgroup-reads)))
4944 (setq mark (gnus-article-mark number))
4945 (push (gnus-data-make number mark (1+ (point)) header 0)
4946 gnus-newsgroup-data)
4947 (gnus-summary-insert-line
4949 (memq number gnus-newsgroup-undownloaded)
4950 mark (memq number gnus-newsgroup-replied)
4951 (memq number gnus-newsgroup-expirable)
4952 (mail-header-subject header) nil
4953 (cdr (assq number gnus-newsgroup-scored))
4954 (memq number gnus-newsgroup-processable))))))
4956 (defun gnus-summary-remove-list-identifiers ()
4957 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4958 (let ((regexp (if (consp gnus-list-identifiers)
4959 (mapconcat 'identity gnus-list-identifiers " *\\|")
4960 gnus-list-identifiers))
4963 (dolist (header gnus-newsgroup-headers)
4964 (setq subject (mail-header-subject header)
4966 (while (string-match
4967 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4970 (concat (substring subject 0 (match-beginning 2))
4971 (substring subject (match-end 0)))
4975 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4977 (concat (substring subject 0 (match-beginning 1))
4978 (substring subject (match-end 1)))))
4980 (mail-header-set-subject header subject))))))
4982 (defun gnus-fetch-headers (articles)
4983 "Fetch headers of ARTICLES."
4984 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4985 (gnus-message 5 "Fetching headers for %s..." name)
4988 (setq gnus-headers-retrieved-by
4989 (gnus-retrieve-headers
4990 articles gnus-newsgroup-name
4991 ;; We might want to fetch old headers, but
4992 ;; not if there is only 1 article.
4994 (not (eq gnus-fetch-old-headers 'some))
4995 (not (numberp gnus-fetch-old-headers)))
4996 (> (length articles) 1))
4997 gnus-fetch-old-headers))))
4998 (gnus-get-newsgroup-headers-xover
4999 articles nil nil gnus-newsgroup-name t)
5000 (gnus-get-newsgroup-headers))
5001 (gnus-message 5 "Fetching headers for %s...done" name))))
5003 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5004 "Select newsgroup GROUP.
5005 If READ-ALL is non-nil, all articles in the group are selected.
5006 If SELECT-ARTICLES, only select those articles from GROUP."
5007 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5008 ;;!!! Dirty hack; should be removed.
5009 (gnus-summary-ignore-duplicates
5010 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5012 gnus-summary-ignore-duplicates))
5013 (info (nth 2 entry))
5014 articles fetched-articles cached)
5016 (unless (gnus-check-server
5017 (set (make-local-variable 'gnus-current-select-method)
5018 (gnus-find-method-for-group group)))
5019 (error "Couldn't open server"))
5021 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5022 (gnus-activate-group group) ; Or we can activate it...
5023 (progn ; Or we bug out.
5024 (when (equal major-mode 'gnus-summary-mode)
5025 (gnus-kill-buffer (current-buffer)))
5026 (error "Couldn't activate group %s: %s"
5027 group (gnus-status-message group))))
5029 (unless (gnus-request-group group t)
5030 (when (equal major-mode 'gnus-summary-mode)
5031 (gnus-kill-buffer (current-buffer)))
5032 (error "Couldn't request group %s: %s"
5033 group (gnus-status-message group)))
5036 ;; The agent may be storing articles that are no longer in the
5037 ;; server's active range. If that is the case, the active range
5038 ;; needs to be expanded such that the agent's articles can be
5039 ;; included in the summary.
5040 (let* ((gnus-command-method (gnus-find-method-for-group group))
5041 (alist (gnus-agent-load-alist group))
5042 (active (gnus-active group)))
5043 (if (and (car alist)
5044 (< (caar alist) (car active)))
5045 (gnus-set-active group (cons (caar alist) (cdr active)))))
5047 (setq gnus-summary-use-undownloaded-faces
5048 (gnus-agent-find-parameter
5050 'agent-enable-undownloaded-faces)))
5052 (setq gnus-newsgroup-name group
5053 gnus-newsgroup-unselected nil
5054 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5056 (let ((display (gnus-group-find-parameter group 'display)))
5057 (setq gnus-newsgroup-display
5059 ((not (zerop (or (car-safe read-all) 0)))
5060 ;; The user entered the group with C-u SPC/RET, let's show
5066 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5068 ;; The following is probably the "correct" solution, but
5069 ;; it makes Gnus fetch all headers and then limit the
5070 ;; articles (which is slow), so instead we hack the
5071 ;; select-articles parameter instead. -- Simon Josefsson
5074 ;; (gnus-byte-compile
5075 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5077 (setq select-articles
5078 (gnus-uncompress-range
5079 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5083 (cdr (gnus-active group)))))
5088 (gnus-summary-setup-default-charset)
5090 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5091 (when (gnus-virtual-group-p group)
5092 (setq cached gnus-newsgroup-cached))
5094 (setq gnus-newsgroup-unreads
5095 (gnus-sorted-ndifference
5096 (gnus-sorted-ndifference gnus-newsgroup-unreads
5097 gnus-newsgroup-marked)
5098 gnus-newsgroup-dormant))
5100 (setq gnus-newsgroup-processable nil)
5102 (gnus-update-read-articles group gnus-newsgroup-unreads)
5104 ;; Adjust and set lists of article marks.
5106 (gnus-adjust-marked-articles info))
5107 (if (setq articles select-articles)
5108 (setq gnus-newsgroup-unselected
5109 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5110 (setq articles (gnus-articles-to-read group read-all)))
5114 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5116 ((eq articles 0) nil)
5118 ;; Init the dependencies hash table.
5119 (setq gnus-newsgroup-dependencies
5120 (gnus-make-hashtable (length articles)))
5121 (gnus-set-global-variables)
5122 ;; Retrieve the headers and read them in.
5124 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5126 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5128 (setq gnus-newsgroup-cached cached))
5130 ;; Suppress duplicates?
5131 (when gnus-suppress-duplicates
5132 (gnus-dup-suppress-articles))
5134 ;; Set the initial limit.
5135 (setq gnus-newsgroup-limit (copy-sequence articles))
5136 ;; Remove canceled articles from the list of unread articles.
5137 (setq fetched-articles
5138 (mapcar (lambda (headers) (mail-header-number headers))
5139 gnus-newsgroup-headers))
5140 (setq gnus-newsgroup-articles fetched-articles)
5141 (setq gnus-newsgroup-unreads
5142 (gnus-sorted-nintersection
5143 gnus-newsgroup-unreads fetched-articles))
5144 (gnus-compute-unseen-list)
5146 ;; Removed marked articles that do not exist.
5147 (gnus-update-missing-marks
5148 (gnus-sorted-difference articles fetched-articles))
5149 ;; We might want to build some more threads first.
5150 (when (and gnus-fetch-old-headers
5151 (eq gnus-headers-retrieved-by 'nov))
5152 (if (eq gnus-fetch-old-headers 'invisible)
5153 (gnus-build-all-threads)
5154 (gnus-build-old-threads)))
5155 ;; Let the Gnus agent mark articles as read.
5157 (gnus-agent-get-undownloaded-list))
5158 ;; Remove list identifiers from subject
5159 (when gnus-list-identifiers
5160 (gnus-summary-remove-list-identifiers))
5161 ;; Check whether auto-expire is to be done in this group.
5162 (setq gnus-newsgroup-auto-expire
5163 (gnus-group-auto-expirable-p group))
5164 ;; Set up the article buffer now, if necessary.
5165 (unless gnus-single-article-buffer
5166 (gnus-article-setup-buffer))
5167 ;; First and last article in this newsgroup.
5168 (when gnus-newsgroup-headers
5169 (setq gnus-newsgroup-begin
5170 (mail-header-number (car gnus-newsgroup-headers))
5173 (gnus-last-element gnus-newsgroup-headers))))
5174 ;; GROUP is successfully selected.
5175 (or gnus-newsgroup-headers t)))))
5177 (defun gnus-compute-unseen-list ()
5178 ;; The `seen' marks are treated specially.
5179 (if (not gnus-newsgroup-seen)
5180 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5181 (setq gnus-newsgroup-unseen
5182 (gnus-inverse-list-range-intersection
5183 gnus-newsgroup-articles gnus-newsgroup-seen))))
5185 (defun gnus-summary-display-make-predicate (display)
5186 (require 'gnus-agent)
5187 (when (= (length display) 1)
5188 (setq display (car display)))
5189 (unless gnus-summary-display-cache
5190 (dolist (elem (append '((unread . unread)
5193 gnus-article-mark-lists))
5194 (push (cons (cdr elem)
5196 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5197 gnus-summary-display-cache)))
5198 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5199 (gnus-category-predicate-cache gnus-summary-display-cache))
5200 (gnus-get-predicate display)))
5202 ;; Uses the dynamically bound `number' variable.
5205 (defun gnus-article-marked-p (type &optional article)
5206 (let ((article (or article number)))
5209 (memq article gnus-newsgroup-marked))
5211 (memq article gnus-newsgroup-spam-marked))
5213 (memq article gnus-newsgroup-unsendable))
5214 ((eq type 'undownload)
5215 (memq article gnus-newsgroup-undownloaded))
5216 ((eq type 'download)
5217 (memq article gnus-newsgroup-downloadable))
5219 (memq article gnus-newsgroup-unreads))
5221 (memq article gnus-newsgroup-reads))
5223 (memq article gnus-newsgroup-dormant) )
5225 (memq article gnus-newsgroup-expirable))
5227 (memq article gnus-newsgroup-replied))
5229 (memq article gnus-newsgroup-killed))
5230 ((eq type 'bookmark)
5231 (assq article gnus-newsgroup-bookmarks))
5233 (assq article gnus-newsgroup-scored))
5235 (memq article gnus-newsgroup-saved))
5237 (memq article gnus-newsgroup-cached))
5239 (memq article gnus-newsgroup-forwarded))
5241 (not (memq article gnus-newsgroup-unseen)))
5243 (memq article gnus-newsgroup-recent))
5246 (defun gnus-articles-to-read (group &optional read-all)
5247 "Find out what articles the user wants to read."
5248 (let* ((display (gnus-group-find-parameter group 'display))
5250 ;; Select all articles if `read-all' is non-nil, or if there
5251 ;; are no unread articles.
5253 (and (zerop (length gnus-newsgroup-marked))
5254 (zerop (length gnus-newsgroup-unreads)))
5255 ;; Fetch all if the predicate is non-nil.
5256 gnus-newsgroup-display)
5257 ;; We want to select the headers for all the articles in
5258 ;; the group, so we select either all the active
5259 ;; articles in the group, or (if that's nil), the
5260 ;; articles in the cache.
5262 (gnus-uncompress-range (gnus-active group))
5263 (gnus-cache-articles-in-group group))
5264 ;; Select only the "normal" subset of articles.
5266 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5267 gnus-newsgroup-unreads)))
5268 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5269 (scored (length scored-list))
5270 (number (length articles))
5271 (marked (+ (length gnus-newsgroup-marked)
5272 (length gnus-newsgroup-dormant)))
5277 ((numberp gnus-newsgroup-display)
5278 gnus-newsgroup-display)
5282 ((and (or (<= scored marked) (= scored number))
5283 (numberp gnus-large-newsgroup)
5284 (> number gnus-large-newsgroup))
5285 (let* ((cursor-in-echo-area nil)
5286 (initial (gnus-parameter-large-newsgroup-initial
5287 gnus-newsgroup-name))
5291 "How many articles from %s (%s %d): "
5293 (gnus-group-decoded-name gnus-newsgroup-name)
5295 (if initial "max" "default")
5298 (cons (number-to-string initial)
5300 (if (string-match "^[ \t]*$" input) number input)))
5301 ((and (> scored marked) (< scored number)
5302 (> (- scored number) 20))
5305 (format "%s %s (%d scored, %d total): "
5306 "How many articles from"
5307 (gnus-group-decoded-name group)
5309 (if (string-match "^[ \t]*$" input)
5313 (message "Quit getting the articles to read")
5315 (setq select (if (stringp select) (string-to-number select) select))
5316 (if (or (null select) (zerop select))
5318 (if (and (not (zerop scored)) (<= (abs select) scored))
5320 (setq articles (sort scored-list '<))
5321 (setq number (length articles)))
5322 (setq articles (copy-sequence articles)))
5324 (when (< (abs select) number)
5326 ;; Select the N oldest articles.
5327 (setcdr (nthcdr (1- (abs select)) articles) nil)
5328 ;; Select the N most recent articles.
5329 (setq articles (nthcdr (- number select) articles))))
5330 (setq gnus-newsgroup-unselected
5331 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5332 (when gnus-alter-articles-to-read-function
5335 (funcall gnus-alter-articles-to-read-function
5336 gnus-newsgroup-name articles)
5340 (defun gnus-killed-articles (killed articles)
5343 (when (inline (gnus-member-of-range (car articles) killed))
5344 (push (car articles) out))
5345 (setq articles (cdr articles)))
5348 (defun gnus-uncompress-marks (marks)
5349 "Uncompress the mark ranges in MARKS."
5350 (let ((uncompressed '(score bookmark))
5353 (if (memq (caar marks) uncompressed)
5354 (push (car marks) out)
5355 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5356 (setq marks (cdr marks)))
5359 (defun gnus-article-mark-to-type (mark)
5360 "Return the type of MARK."
5361 (or (cadr (assq mark gnus-article-special-mark-lists))
5364 (defun gnus-article-unpropagatable-p (mark)
5365 "Return whether MARK should be propagated to back end."
5366 (memq mark gnus-article-unpropagated-mark-lists))
5368 (defun gnus-adjust-marked-articles (info)
5369 "Set all article lists and remove all marks that are no longer valid."
5370 (let* ((marked-lists (gnus-info-marks info))
5371 (active (gnus-active (gnus-info-group info)))
5374 (types gnus-article-mark-lists)
5375 marks var articles article mark mark-type)
5377 (dolist (marks marked-lists)
5378 (setq mark (car marks)
5379 mark-type (gnus-article-mark-to-type mark)
5380 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5382 ;; We set the variable according to the type of the marks list,
5383 ;; and then adjust the marks to a subset of the active articles.
5385 ;; Adjust "simple" lists.
5386 ((eq mark-type 'list)
5387 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5388 (when (memq mark '(tick dormant expire reply save))
5390 (when (or (< (setq article (pop articles)) min) (> article max))
5391 (set var (delq article (symbol-value var)))))))
5393 ((eq mark-type 'tuple)
5394 (set var (setq articles (cdr marks)))
5395 (when (not (listp (cdr (symbol-value var))))
5396 (set var (list (symbol-value var))))
5397 (when (not (listp (cdr articles)))
5398 (setq articles (list articles)))
5400 (when (or (not (consp (setq article (pop articles))))
5401 (< (car article) min)
5402 (> (car article) max))
5403 (set var (delq article (symbol-value var))))))
5404 ;; Adjust ranges (sloppily).
5405 ((eq mark-type 'range)
5408 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5409 ;; It should be (seen (NUM1 . NUM2)).
5410 (when (numberp (cddr marks))
5411 (setcdr marks (list (cdr marks))))
5412 (setq articles (cdr marks))
5413 (while (and articles
5414 (or (and (consp (car articles))
5415 (> min (cdar articles)))
5416 (and (numberp (car articles))
5417 (> min (car articles)))))
5419 (set var articles))))))))
5421 (defun gnus-update-missing-marks (missing)
5422 "Go through the list of MISSING articles and remove them from the mark lists."
5425 ;; Go through all types.
5426 (dolist (elem gnus-article-mark-lists)
5427 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5428 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5429 (when (symbol-value var)
5430 ;; This list has articles. So we delete all missing
5431 ;; articles from it.
5434 (set var (delq (pop m) (symbol-value var))))))))))
5436 (defun gnus-update-marks ()
5437 "Enter the various lists of marked articles into the newsgroup info list."
5438 (let ((types gnus-article-mark-lists)
5439 (info (gnus-get-info gnus-newsgroup-name))
5440 type list newmarked symbol delta-marks)
5442 ;; Add all marks lists to the list of marks lists.
5443 (while (setq type (pop types))
5444 (setq list (symbol-value
5446 (intern (format "gnus-newsgroup-%s" (car type))))))
5449 ;; Get rid of the entries of the articles that have the
5451 (when (and (eq (cdr type) 'score)
5455 (prev (cons nil list))
5458 (if (or (not (consp (car arts)))
5459 (= (cdar arts) gnus-summary-default-score))
5460 (setcdr prev (cdr arts))
5462 (setq arts (cdr arts)))
5463 (setq list (cdr all)))))
5465 (when (eq (cdr type) 'seen)
5466 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5468 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5469 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5471 (when (and (gnus-check-backend-function
5472 'request-set-mark gnus-newsgroup-name)
5473 (not (gnus-article-unpropagatable-p (cdr type))))
5474 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5475 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5476 (add (gnus-remove-from-range
5477 (gnus-copy-sequence list) old)))
5479 (push (list add 'add (list (cdr type))) delta-marks))
5481 (push (list del 'del (list (cdr type))) delta-marks))))
5484 (push (cons (cdr type) list) newmarked)))
5487 (unless (gnus-check-group gnus-newsgroup-name)
5488 (error "Can't open server for %s" gnus-newsgroup-name))
5489 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5491 ;; Enter these new marks into the info of the group.
5493 (setcar (nthcdr 3 info) newmarked)
5494 ;; Add the marks lists to the end of the info.
5496 (setcdr (nthcdr 2 info) (list newmarked))))
5498 ;; Cut off the end of the info if there's nothing else there.
5502 (when (nthcdr (decf i) info)
5503 (setcdr (nthcdr i info) nil)))))))
5505 (defun gnus-set-mode-line (where)
5506 "Set the mode line of the article or summary buffers.
5507 If WHERE is `summary', the summary mode line format will be used."
5508 ;; Is this mode line one we keep updated?
5509 (when (and (memq where gnus-updated-mode-lines)
5511 (intern (format "gnus-%s-mode-line-format-spec" where))))
5514 ;; We evaluate this in the summary buffer since these
5515 ;; variables are buffer-local to that buffer.
5516 (set-buffer gnus-summary-buffer)
5517 ;; We bind all these variables that are used in the `eval' form
5519 (let* ((mformat (symbol-value
5521 (format "gnus-%s-mode-line-format-spec" where))))
5522 (gnus-tmp-group-name (gnus-group-decoded-name
5523 gnus-newsgroup-name))
5524 (gnus-tmp-article-number (or gnus-current-article 0))
5525 (gnus-tmp-unread gnus-newsgroup-unreads)
5526 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5527 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5528 (gnus-tmp-unread-and-unselected
5529 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5530 (zerop gnus-tmp-unselected))
5532 ((zerop gnus-tmp-unselected)
5533 (format "{%d more}" gnus-tmp-unread-and-unticked))
5534 (t (format "{%d(+%d) more}"
5535 gnus-tmp-unread-and-unticked
5536 gnus-tmp-unselected))))
5538 (if (and gnus-current-headers
5539 (vectorp gnus-current-headers))
5540 (gnus-mode-string-quote
5541 (mail-header-subject gnus-current-headers))
5543 bufname-length max-len
5544 gnus-tmp-header);; passed as argument to any user-format-funcs
5545 (setq mode-string (eval mformat))
5546 (setq bufname-length (if (string-match "%b" mode-string)
5549 (if (eq where 'summary)
5551 (get-buffer gnus-article-buffer))))
5554 (setq max-len (max 4 (if gnus-mode-non-string-length
5556 gnus-mode-non-string-length
5558 (length mode-string))))
5559 ;; We might have to chop a bit of the string off...
5560 (when (> (length mode-string) max-len)
5562 (concat (gnus-truncate-string mode-string (- max-len 3))
5564 ;; Pad the mode string a bit.
5565 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5566 ;; Update the mode line.
5567 (setq mode-line-buffer-identification
5568 (gnus-mode-line-buffer-identification (list mode-string)))
5569 (set-buffer-modified-p t))))
5571 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5572 "Go through the HEADERS list and add all Xrefs to a hash table.
5573 The resulting hash table is returned, or nil if no Xrefs were found."
5574 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5575 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5576 (xref-hashtb (gnus-make-hashtable))
5577 start group entry number xrefs header)
5579 (setq header (pop headers))
5580 (when (and (setq xrefs (mail-header-xref header))
5581 (not (memq (setq number (mail-header-number header))
5584 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5585 (setq start (match-end 0))
5586 (setq group (if prefix
5587 (concat prefix (substring xrefs (match-beginning 1)
5589 (substring xrefs (match-beginning 1) (match-end 1))))
5591 (string-to-int (substring xrefs (match-beginning 2)
5593 (if (setq entry (gnus-gethash group xref-hashtb))
5594 (setcdr entry (cons number (cdr entry)))
5595 (gnus-sethash group (cons number nil) xref-hashtb)))))
5596 (and start xref-hashtb)))
5598 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5599 "Look through all the headers and mark the Xrefs as read."
5600 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5601 name entry info xref-hashtb idlist method nth4)
5603 (set-buffer gnus-group-buffer)
5604 (when (setq xref-hashtb
5605 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5608 (unless (string= from-newsgroup (setq name (symbol-name group)))
5609 (setq idlist (symbol-value group))
5610 ;; Dead groups are not updated.
5612 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5614 (when (stringp (setq nth4 (gnus-info-method info)))
5615 (setq nth4 (gnus-server-to-method nth4))))
5616 ;; Only do the xrefs if the group has the same
5617 ;; select method as the group we have just read.
5618 (or (gnus-methods-equal-p
5619 nth4 (gnus-find-method-for-group from-newsgroup))
5621 (equal nth4 (setq method (gnus-find-method-for-group
5623 (and (equal (car nth4) (car method))
5624 (equal (nth 1 nth4) (nth 1 method))))
5625 gnus-use-cross-reference
5626 (or (not (eq gnus-use-cross-reference t))
5628 ;; Only do cross-references on subscribed
5629 ;; groups, if that is what is wanted.
5630 (<= (gnus-info-level info) gnus-level-subscribed))
5631 (gnus-group-make-articles-read name idlist))))
5634 (defun gnus-compute-read-articles (group articles)
5635 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5636 (info (nth 2 entry))
5637 (active (gnus-active group))
5640 ;; First peel off all invalid article numbers.
5642 (let ((ids articles)
5644 (while (setq id (pop ids))
5645 (when (and first (> id (cdr active)))
5646 ;; We'll end up in this situation in one particular
5647 ;; obscure situation. If you re-scan a group and get
5648 ;; a new article that is cross-posted to a different
5649 ;; group that has not been re-scanned, you might get
5650 ;; crossposted article that has a higher number than
5651 ;; Gnus believes possible. So we re-activate this
5652 ;; group as well. This might mean doing the
5653 ;; crossposting thingy will *increase* the number
5654 ;; of articles in some groups. Tsk, tsk.
5655 (setq active (or (gnus-activate-group group) active)))
5656 (when (or (> id (cdr active))
5657 (< id (car active)))
5658 (setq articles (delq id articles))))))
5659 ;; If the read list is nil, we init it.
5661 (null (gnus-info-read info))
5663 (setq ninfo (cons 1 (1- (car active))))
5664 (setq ninfo (gnus-info-read info)))
5665 ;; Then we add the read articles to the range.
5667 ninfo (setq articles (sort articles '<))))))
5669 (defun gnus-group-make-articles-read (group articles)
5670 "Update the info of GROUP to say that ARTICLES are read."
5672 (entry (gnus-gethash group gnus-newsrc-hashtb))
5673 (info (nth 2 entry))
5674 (active (gnus-active group))
5677 (setq range (gnus-compute-read-articles group articles))
5679 (set-buffer gnus-group-buffer)
5682 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5683 (gnus-info-set-read ',info ',(gnus-info-read info))
5684 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5685 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5686 (gnus-group-update-group ,group t))))
5687 ;; Add the read articles to the range.
5688 (gnus-info-set-read info range)
5689 (gnus-request-set-mark group (list (list range 'add '(read))))
5690 ;; Then we have to re-compute how many unread
5691 ;; articles there are in this group.
5695 (setq num (- (1+ (cdr active)) (car active))))
5696 ((not (listp (cdr range)))
5697 (setq num (- (cdr active) (- (1+ (cdr range))
5701 (if (numberp (car range))
5703 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5704 (setq range (cdr range)))
5705 (setq num (- (cdr active) num))))
5706 ;; Update the number of unread articles.
5708 ;; Update the group buffer.
5709 (unless (gnus-ephemeral-group-p group)
5710 (gnus-group-update-group group t))))))
5712 (defvar gnus-newsgroup-none-id 0)
5714 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5715 (let ((cur nntp-server-buffer)
5718 (save-excursion (set-buffer gnus-summary-buffer)
5719 gnus-newsgroup-dependencies)))
5721 (mail-parse-charset gnus-newsgroup-charset)
5722 (mail-parse-ignored-charsets
5723 (save-excursion (condition-case nil
5724 (set-buffer gnus-summary-buffer)
5726 gnus-newsgroup-ignored-charsets)))
5728 (set-buffer nntp-server-buffer)
5729 ;; Translate all TAB characters into SPACE characters.
5730 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5731 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5732 (ietf-drums-unfold-fws)
5733 (gnus-run-hooks 'gnus-parse-headers-hook)
5734 (let ((case-fold-search t)
5735 in-reply-to header p lines chars ctype)
5736 (goto-char (point-min))
5737 ;; Search to the beginning of the next header. Error messages
5738 ;; do not begin with 2 or 3.
5739 (while (re-search-forward "^[23][0-9]+ " nil t)
5742 ;; This implementation of this function, with nine
5743 ;; search-forwards instead of the one re-search-forward and
5744 ;; a case (which basically was the old function) is actually
5745 ;; about twice as fast, even though it looks messier. You
5746 ;; can't have everything, I guess. Speed and elegance
5747 ;; doesn't always go hand in hand.
5750 (make-full-mail-header
5756 (narrow-to-region (point)
5757 (or (and (search-forward "\n.\n" nil t)
5763 (if (search-forward "\nsubject:" nil t)
5764 (nnheader-header-value)
5769 (if (search-forward "\nfrom:" nil t)
5770 (nnheader-header-value)
5775 (if (search-forward "\ndate:" nil t)
5776 (nnheader-header-value) ""))
5780 (setq id (if (re-search-forward
5781 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5782 ;; We do it this way to make sure the Message-ID
5783 ;; is (somewhat) syntactically valid.
5784 (buffer-substring (match-beginning 1)
5786 ;; If there was no message-id, we just fake one
5787 ;; to make subsequent routines simpler.
5788 (nnheader-generate-fake-message-id))))
5792 (if (search-forward "\nreferences:" nil t)
5796 (nnheader-header-value)
5801 (search-backward ">" end t)
5804 (search-backward "<" end t)
5806 ;; Get the references from the in-reply-to header if there
5807 ;; were no references and the in-reply-to header looks
5809 (if (and (search-forward "\nin-reply-to:" nil t)
5810 (setq in-reply-to (nnheader-header-value))
5811 (string-match "<[^>]+>" in-reply-to))
5813 (setq ref (substring in-reply-to (match-beginning 0)
5815 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5816 (setq ref2 (substring in-reply-to (match-beginning 0)
5818 (when (> (length ref2) (length ref))
5825 (if (search-forward "\nchars: " nil t)
5826 (if (numberp (setq chars (ignore-errors (read cur))))
5832 (if (search-forward "\nlines: " nil t)
5833 (if (numberp (setq lines (ignore-errors (read cur))))
5839 (and (search-forward "\nxref:" nil t)
5840 (nnheader-header-value)))
5842 (when gnus-extra-headers
5843 (let ((extra gnus-extra-headers)
5847 (when (search-forward
5848 (concat "\n" (symbol-name (car extra)) ":") nil t)
5849 (push (cons (car extra) (nnheader-header-value)) out))
5853 (if (and (search-forward "\ncontent-type: " nil t)
5854 (setq ctype (nnheader-header-value)))
5855 (mime-entity-set-content-type-internal
5856 header (mime-parse-Content-Type ctype)))
5857 (when (equal id ref)
5860 (when gnus-alter-header-function
5861 (funcall gnus-alter-header-function header)
5862 (setq id (mail-header-id header)
5863 ref (gnus-parent-id (mail-header-references header))))
5866 (gnus-dependencies-add-header
5867 header dependencies force-new))
5868 (push header headers))
5869 (goto-char (point-max))
5871 (nreverse headers)))))
5873 ;; Goes through the xover lines and returns a list of vectors
5874 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5875 force-new dependencies
5876 group also-fetch-heads)
5877 "Parse the news overview data in the server buffer.
5878 Return a list of headers that match SEQUENCE (see
5879 `nntp-retrieve-headers')."
5880 ;; Get the Xref when the users reads the articles since most/some
5881 ;; NNTP servers do not include Xrefs when using XOVER.
5882 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5883 (let ((mail-parse-charset gnus-newsgroup-charset)
5884 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5885 (cur nntp-server-buffer)
5886 (dependencies (or dependencies gnus-newsgroup-dependencies))
5888 ((eq gnus-read-all-available-headers t)
5890 ((stringp gnus-read-all-available-headers)
5891 (string-match gnus-read-all-available-headers group))
5894 number headers header)
5896 (set-buffer nntp-server-buffer)
5897 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5898 ;; Allow the user to mangle the headers before parsing them.
5899 (gnus-run-hooks 'gnus-parse-headers-hook)
5900 (goto-char (point-min))
5901 (gnus-parse-without-error
5902 (while (and (or sequence allp)
5904 (setq number (read cur))
5906 (while (and sequence
5907 (< (car sequence) number))
5908 (setq sequence (cdr sequence))))
5911 (eq number (car sequence))))
5913 (setq sequence (cdr sequence))
5914 (setq header (inline
5915 (gnus-nov-parse-line
5916 number dependencies force-new)))))
5917 (push header headers))
5919 ;; A common bug in inn is that if you have posted an article and
5920 ;; then retrieves the active file, it will answer correctly --
5921 ;; the new article is included. However, a NOV entry for the
5922 ;; article may not have been generated yet, so this may fail.
5923 ;; We work around this problem by retrieving the last few
5924 ;; headers using HEAD.
5925 (if (or (not also-fetch-heads)
5927 ;; We (probably) got all the headers.
5929 (let ((gnus-nov-is-evil t))
5932 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5933 (gnus-get-newsgroup-headers))))))))
5935 (defun gnus-article-get-xrefs ()
5936 "Fill in the Xref value in `gnus-current-headers', if necessary.
5937 This is meant to be called in `gnus-article-internal-prepare-hook'."
5938 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5939 gnus-current-headers)))
5940 (or (not gnus-use-cross-reference)
5942 (and (mail-header-xref headers)
5943 (not (string= (mail-header-xref headers) "")))
5944 (let ((case-fold-search t)
5947 (nnheader-narrow-to-headers)
5948 (goto-char (point-min))
5949 (when (or (and (not (eobp))
5950 (eq (downcase (char-after)) ?x)
5951 (looking-at "Xref:"))
5952 (search-forward "\nXref:" nil t))
5953 (goto-char (1+ (match-end 0)))
5954 (setq xref (buffer-substring (point) (point-at-eol)))
5955 (mail-header-set-xref headers xref)))))))
5957 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5958 "Find article ID and insert the summary line for that article.
5959 OLD-HEADER can either be a header or a line number to insert
5960 the subject line on."
5961 (let* ((line (and (numberp old-header) old-header))
5962 (old-header (and (vectorp old-header) old-header))
5963 (header (cond ((and old-header use-old-header)
5966 (gnus-number-to-header id))
5967 (gnus-number-to-header id))
5969 (gnus-read-header id))))
5970 (number (and (numberp id) id))
5973 ;; Rebuild the thread that this article is part of and go to the
5974 ;; article we have fetched.
5975 (when (and (not gnus-show-threads)
5978 (setq d (gnus-data-find (mail-header-number old-header))))
5979 (goto-char (gnus-data-pos d))
5985 (gnus-delete-line))))))
5987 (mail-header-set-number header (mail-header-number old-header)))
5988 (setq gnus-newsgroup-sparse
5989 (delq (setq number (mail-header-number header))
5990 gnus-newsgroup-sparse))
5991 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5992 (push number gnus-newsgroup-limit)
5993 (gnus-rebuild-thread (mail-header-id header) line)
5994 (gnus-summary-goto-subject number nil t))
5995 (when (and (numberp number)
5997 ;; We have to update the boundaries even if we can't fetch the
5998 ;; article if ID is a number -- so that the next `P' or `N'
5999 ;; command will fetch the previous (or next) article even
6000 ;; if the one we tried to fetch this time has been canceled.
6001 (when (> number gnus-newsgroup-end)
6002 (setq gnus-newsgroup-end number))
6003 (when (< number gnus-newsgroup-begin)
6004 (setq gnus-newsgroup-begin number))
6005 (setq gnus-newsgroup-unselected
6006 (delq number gnus-newsgroup-unselected)))
6007 ;; Report back a success?
6008 (and header (mail-header-number header))))
6010 ;;; Process/prefix in the summary buffer
6012 (defun gnus-summary-work-articles (n)
6013 "Return a list of articles to be worked upon.
6014 The prefix argument, the list of process marked articles, and the
6015 current article will be taken into consideration."
6017 (set-buffer gnus-summary-buffer)
6020 ;; A numerical prefix has been given.
6021 (setq n (prefix-numeric-value n))
6022 (let ((backward (< n 0))
6023 (n (abs (prefix-numeric-value n)))
6028 (push (setq article (gnus-summary-article-number))
6031 (gnus-summary-find-prev nil article)
6032 (gnus-summary-find-next nil article)))
6034 (nreverse articles)))
6035 ((and (gnus-region-active-p) (mark))
6036 (message "region active")
6037 ;; Work on the region between point and mark.
6038 (let ((max (max (point) (mark)))
6041 (goto-char (min (point) (mark)))
6044 (push (setq article (gnus-summary-article-number)) articles)
6045 (gnus-summary-find-next nil article)
6047 (nreverse articles))))
6048 (gnus-newsgroup-processable
6049 ;; There are process-marked articles present.
6050 ;; Save current state.
6051 (gnus-summary-save-process-mark)
6053 (reverse gnus-newsgroup-processable))
6055 ;; Just return the current article.
6056 (list (gnus-summary-article-number))))))
6058 (defmacro gnus-summary-iterate (arg &rest forms)
6059 "Iterate over the process/prefixed articles and do FORMS.
6060 ARG is the interactive prefix given to the command. FORMS will be
6061 executed with point over the summary line of the articles."
6062 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6063 `(let ((,articles (gnus-summary-work-articles ,arg)))
6065 (gnus-summary-goto-subject (car ,articles))
6069 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6070 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6072 (defun gnus-summary-save-process-mark ()
6073 "Push the current set of process marked articles on the stack."
6075 (push (copy-sequence gnus-newsgroup-processable)
6076 gnus-newsgroup-process-stack))
6078 (defun gnus-summary-kill-process-mark ()
6079 "Push the current set of process marked articles on the stack and unmark."
6081 (gnus-summary-save-process-mark)
6082 (gnus-summary-unmark-all-processable))
6084 (defun gnus-summary-yank-process-mark ()
6085 "Pop the last process mark state off the stack and restore it."
6087 (unless gnus-newsgroup-process-stack
6088 (error "Empty mark stack"))
6089 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6091 (defun gnus-summary-process-mark-set (set)
6092 "Make SET into the current process marked articles."
6093 (gnus-summary-unmark-all-processable)
6095 (gnus-summary-set-process-mark (pop set))))
6097 ;;; Searching and stuff
6099 (defun gnus-summary-search-group (&optional backward use-level)
6100 "Search for next unread newsgroup.
6101 If optional argument BACKWARD is non-nil, search backward instead."
6103 (set-buffer gnus-group-buffer)
6104 (when (gnus-group-search-forward
6105 backward nil (if use-level (gnus-group-group-level) nil))
6106 (gnus-group-group-name))))
6108 (defun gnus-summary-best-group (&optional exclude-group)
6109 "Find the name of the best unread group.
6110 If EXCLUDE-GROUP, do not go to this group."
6112 (set-buffer gnus-group-buffer)
6114 (gnus-group-best-unread-group exclude-group))))
6116 (defun gnus-summary-find-next (&optional unread article backward)
6118 (gnus-summary-find-prev unread article)
6119 (let* ((dummy (gnus-summary-article-intangible-p))
6120 (article (or article (gnus-summary-article-number)))
6121 (data (gnus-data-find-list article))
6123 (when (and (not dummy)
6124 (or (not gnus-summary-check-current)
6126 (not (gnus-data-unread-p (car data)))))
6127 (setq data (cdr data)))
6132 (unless (memq (gnus-data-number (car data))
6134 ((eq gnus-auto-goto-ignores
6135 'always-undownloaded)
6136 gnus-newsgroup-undownloaded)
6139 ((eq gnus-auto-goto-ignores
6141 gnus-newsgroup-unfetched)
6142 ((eq gnus-auto-goto-ignores
6144 gnus-newsgroup-undownloaded)))
6145 (when (gnus-data-unread-p (car data))
6146 (setq result (car data)
6148 (setq data (cdr data)))
6151 (goto-char (gnus-data-pos result))
6152 (gnus-data-number result)))))
6154 (defun gnus-summary-find-prev (&optional unread article)
6155 (let* ((eobp (eobp))
6156 (article (or article (gnus-summary-article-number)))
6157 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6159 (when (and (not eobp)
6160 (or (not gnus-summary-check-current)
6162 (not (gnus-data-unread-p (car data)))))
6163 (setq data (cdr data)))
6168 (unless (memq (gnus-data-number (car data))
6170 ((eq gnus-auto-goto-ignores
6171 'always-undownloaded)
6172 gnus-newsgroup-undownloaded)
6175 ((eq gnus-auto-goto-ignores
6177 gnus-newsgroup-unfetched)
6178 ((eq gnus-auto-goto-ignores
6180 gnus-newsgroup-undownloaded)))
6181 (when (gnus-data-unread-p (car data))
6182 (setq result (car data)
6184 (setq data (cdr data)))
6187 (goto-char (gnus-data-pos result))
6188 (gnus-data-number result))))
6190 (defun gnus-summary-find-subject (subject &optional unread backward article)
6191 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6192 (article (or article (gnus-summary-article-number)))
6193 (articles (gnus-data-list backward))
6194 (arts (gnus-data-find-list article articles))
6196 (when (or (not gnus-summary-check-current)
6198 (not (gnus-data-unread-p (car arts))))
6199 (setq arts (cdr arts)))
6201 (and (or (not unread)
6202 (gnus-data-unread-p (car arts)))
6203 (vectorp (gnus-data-header (car arts)))
6205 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6206 (setq result (car arts)
6208 (setq arts (cdr arts)))
6210 (goto-char (gnus-data-pos result))
6211 (gnus-data-number result))))
6213 (defun gnus-summary-search-forward (&optional unread subject backward)
6214 "Search forward for an article.
6215 If UNREAD, look for unread articles. If SUBJECT, look for
6216 articles with that subject. If BACKWARD, search backward instead."
6217 (cond (subject (gnus-summary-find-subject subject unread backward))
6218 (backward (gnus-summary-find-prev unread))
6219 (t (gnus-summary-find-next unread))))
6221 (defun gnus-recenter (&optional n)
6222 "Center point in window and redisplay frame.
6223 Also do horizontal recentering."
6225 (when (and gnus-auto-center-summary
6226 (not (eq gnus-auto-center-summary 'vertical)))
6227 (gnus-horizontal-recenter))
6230 (defun gnus-summary-recenter ()
6231 "Center point in the summary window.
6232 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6233 displayed, no centering will be performed."
6234 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6235 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6237 ;; The user has to want it.
6238 (when gnus-auto-center-summary
6239 (let* ((top (cond ((< (window-height) 4) 0)
6240 ((< (window-height) 7) 1)
6241 (t (if (numberp gnus-auto-center-summary)
6242 gnus-auto-center-summary
6244 (height (1- (window-height)))
6245 (bottom (save-excursion (goto-char (point-max))
6246 (forward-line (- height))
6248 (window (get-buffer-window (current-buffer))))
6249 (when (get-buffer-window gnus-article-buffer)
6250 ;; Only do recentering when the article buffer is displayed,
6251 ;; Set the window start to either `bottom', which is the biggest
6252 ;; possible valid number, or the second line from the top,
6253 ;; whichever is the least.
6254 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6255 (if (> bottom top-pos)
6256 ;; Keep the second line from the top visible
6257 (set-window-start window top-pos t)
6258 ;; Try to keep the bottom line visible; if it's partially
6259 ;; obscured, either scroll one more line to make it fully
6260 ;; visible, or revert to using TOP-POS.
6262 (goto-char (point-max))
6264 (let ((last-line-start (point)))
6266 (set-window-start window (point) t)
6267 (when (not (pos-visible-in-window-p last-line-start window))
6269 (set-window-start window (min (point) top-pos) t)))))))
6270 ;; Do horizontal recentering while we're at it.
6271 (when (and (get-buffer-window (current-buffer) t)
6272 (not (eq gnus-auto-center-summary 'vertical)))
6273 (let ((selected (selected-window)))
6274 (select-window (get-buffer-window (current-buffer) t))
6275 (gnus-summary-position-point)
6276 (gnus-horizontal-recenter)
6277 (select-window selected))))))
6279 (defun gnus-summary-jump-to-group (newsgroup)
6280 "Move point to NEWSGROUP in group mode buffer."
6281 ;; Keep update point of group mode buffer if visible.
6282 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6283 (save-window-excursion
6284 ;; Take care of tree window mode.
6285 (when (get-buffer-window gnus-group-buffer)
6286 (pop-to-buffer gnus-group-buffer))
6287 (gnus-group-jump-to-group newsgroup))
6289 ;; Take care of tree window mode.
6290 (if (get-buffer-window gnus-group-buffer)
6291 (pop-to-buffer gnus-group-buffer)
6292 (set-buffer gnus-group-buffer))
6293 (gnus-group-jump-to-group newsgroup))))
6295 ;; This function returns a list of article numbers based on the
6296 ;; difference between the ranges of read articles in this group and
6297 ;; the range of active articles.
6298 (defun gnus-list-of-unread-articles (group)
6299 (let* ((read (gnus-info-read (gnus-get-info group)))
6300 (active (or (gnus-active group) (gnus-activate-group group)))
6303 ;; If none are read, then all are unread.
6305 (setq first (car active))
6306 ;; If the range of read articles is a single range, then the
6307 ;; first unread article is the article after the last read
6308 ;; article. Sounds logical, doesn't it?
6309 (if (and (not (listp (cdr read)))
6310 (or (< (car read) (car active))
6311 (progn (setq read (list read))
6313 (setq first (max (car active) (1+ (cdr read))))
6314 ;; `read' is a list of ranges.
6315 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6318 (setq first (car active)))
6321 (while (< first nlast)
6323 (setq first (1+ first))))
6324 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6325 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6326 (setq read (cdr read)))))
6327 ;; And add the last unread articles.
6328 (while (<= first last)
6330 (setq first (1+ first)))
6331 ;; Return the list of unread articles.
6332 (delq 0 (nreverse unread))))
6334 (defun gnus-list-of-read-articles (group)
6335 "Return a list of unread, unticked and non-dormant articles."
6336 (let* ((info (gnus-get-info group))
6337 (marked (gnus-info-marks info))
6338 (active (gnus-active group)))
6340 (gnus-list-range-difference
6341 (gnus-list-range-difference
6342 (gnus-sorted-complement
6343 (gnus-uncompress-range active)
6344 (gnus-list-of-unread-articles group))
6345 (cdr (assq 'dormant marked)))
6346 (cdr (assq 'tick marked))))))
6348 ;; Various summary commands
6350 (defun gnus-summary-select-article-buffer ()
6351 "Reconfigure windows to show article buffer."
6353 (if (not (gnus-buffer-live-p gnus-article-buffer))
6354 (error "There is no article buffer for this summary buffer")
6355 (gnus-configure-windows 'article)
6356 (select-window (get-buffer-window gnus-article-buffer))))
6358 (defun gnus-summary-universal-argument (arg)
6359 "Perform any operation on all articles that are process/prefixed."
6361 (let ((articles (gnus-summary-work-articles arg))
6368 (substitute-command-keys
6369 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6371 (gnus-error 1 "Undefined key")
6374 (gnus-summary-goto-subject (setq article (pop articles)))
6375 (let (gnus-newsgroup-processable)
6376 (command-execute func))
6377 (gnus-summary-remove-process-mark article)))))
6378 (gnus-summary-position-point))
6380 (defun gnus-summary-toggle-truncation (&optional arg)
6381 "Toggle truncation of summary lines.
6382 With ARG, turn line truncation on if ARG is positive."
6384 (setq truncate-lines
6385 (if (null arg) (not truncate-lines)
6386 (> (prefix-numeric-value arg) 0)))
6389 (defun gnus-summary-find-for-reselect ()
6390 "Return the number of an article to stay on across a reselect.
6391 The current article is considered, then following articles, then previous
6392 articles. An article is sought which is not cancelled and isn't a temporary
6393 insertion from another group. If there's no such then return a dummy 0."
6395 (dolist (rev '(nil t))
6396 (unless found ; don't demand the reverse list if we don't need it
6397 (let ((data (gnus-data-find-list
6398 (gnus-summary-article-number) (gnus-data-list rev))))
6399 (while (and data (not found))
6400 (if (and (< 0 (gnus-data-number (car data)))
6401 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6402 (setq found (gnus-data-number (car data))))
6403 (setq data (cdr data))))))
6406 (defun gnus-summary-reselect-current-group (&optional all rescan)
6407 "Exit and then reselect the current newsgroup.
6408 The prefix argument ALL means to select all articles."
6410 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6411 (error "Ephemeral groups can't be reselected"))
6412 (let ((current-subject (gnus-summary-find-for-reselect))
6413 (group gnus-newsgroup-name))
6414 (setq gnus-newsgroup-begin nil)
6415 (gnus-summary-exit nil 'leave-hidden)
6416 ;; We have to adjust the point of group mode buffer because
6417 ;; point was moved to the next unread newsgroup by exiting.
6418 (gnus-summary-jump-to-group group)
6421 (save-window-excursion
6422 ;; Don't show group contents.
6423 (set-window-start (selected-window) (point-max))
6424 (gnus-group-get-new-news-this-group 1))))
6425 (gnus-group-read-group all t)
6426 (gnus-summary-goto-subject current-subject nil t)))
6428 (defun gnus-summary-rescan-group (&optional all)
6429 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6431 (gnus-summary-reselect-current-group all t))
6433 (defun gnus-summary-update-info (&optional non-destructive)
6435 (let ((group gnus-newsgroup-name))
6437 (when gnus-newsgroup-kill-headers
6438 (setq gnus-newsgroup-killed
6439 (gnus-compress-sequence
6441 (gnus-list-range-intersection
6442 gnus-newsgroup-unselected gnus-newsgroup-killed)
6443 gnus-newsgroup-unreads)
6445 (unless (listp (cdr gnus-newsgroup-killed))
6446 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6447 (let ((headers gnus-newsgroup-headers))
6448 ;; Set the new ranges of read articles.
6450 (set-buffer gnus-group-buffer)
6451 (gnus-undo-force-boundary))
6452 (gnus-update-read-articles
6453 group (gnus-sorted-union
6454 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6455 ;; Set the current article marks.
6456 (let ((gnus-newsgroup-scored
6457 (if (and (not gnus-save-score)
6458 (not non-destructive))
6460 gnus-newsgroup-scored)))
6462 (gnus-update-marks)))
6463 ;; Do the cross-ref thing.
6464 (when gnus-use-cross-reference
6465 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6466 ;; Do not switch windows but change the buffer to work.
6467 (set-buffer gnus-group-buffer)
6468 (unless (gnus-ephemeral-group-p group)
6469 (gnus-group-update-group group)))))))
6471 (defun gnus-summary-save-newsrc (&optional force)
6472 "Save the current number of read/marked articles in the dribble buffer.
6473 The dribble buffer will then be saved.
6474 If FORCE (the prefix), also save the .newsrc file(s)."
6476 (gnus-summary-update-info t)
6478 (gnus-save-newsrc-file)
6479 (gnus-dribble-save)))
6481 (defun gnus-summary-exit (&optional temporary leave-hidden)
6482 "Exit reading current newsgroup, and then return to group selection mode.
6483 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6485 (gnus-set-global-variables)
6486 (gnus-kill-save-kill-buffer)
6487 (gnus-async-halt-prefetch)
6488 (let* ((group gnus-newsgroup-name)
6489 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6490 (gnus-group-is-exiting-p t)
6493 (buf (current-buffer)))
6495 ;; Do adaptive scoring, and possibly save score files.
6496 (when gnus-newsgroup-adaptive
6497 (gnus-score-adaptive))
6498 (when gnus-use-scoring
6500 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6501 ;; If we have several article buffers, we kill them at exit.
6502 (unless gnus-single-article-buffer
6503 (gnus-kill-buffer gnus-original-article-buffer)
6504 (setq gnus-article-current nil))
6505 (when gnus-use-cache
6506 (gnus-cache-possibly-remove-articles)
6507 (gnus-cache-save-buffers))
6508 (gnus-async-prefetch-remove-group group)
6509 (when gnus-suppress-duplicates
6510 (gnus-dup-enter-articles))
6511 (when gnus-use-trees
6512 (gnus-tree-close group))
6513 (when gnus-use-cache
6514 (gnus-cache-write-active))
6515 ;; Remove entries for this group.
6516 (nnmail-purge-split-history (gnus-group-real-name group))
6517 ;; Make all changes in this group permanent.
6519 (gnus-run-hooks 'gnus-exit-group-hook)
6520 (gnus-summary-update-info))
6521 (gnus-close-group group)
6522 ;; Make sure where we were, and go to next newsgroup.
6523 (set-buffer gnus-group-buffer)
6525 (gnus-group-jump-to-group group))
6526 (gnus-run-hooks 'gnus-summary-exit-hook)
6527 (unless (or quit-config
6528 ;; If this group has disappeared from the summary
6529 ;; buffer, don't skip forwards.
6530 (not (string= group (gnus-group-group-name))))
6531 (gnus-group-next-unread-group 1))
6532 (setq group-point (point))
6535 ;; If we have several article buffers, we kill them at exit.
6536 (unless gnus-single-article-buffer
6537 (gnus-kill-buffer gnus-article-buffer)
6538 (gnus-kill-buffer gnus-original-article-buffer)
6539 (setq gnus-article-current nil))
6541 (if (not gnus-kill-summary-on-exit)
6543 (gnus-deaden-summary)
6545 ;; We set all buffer-local variables to nil. It is unclear why
6546 ;; this is needed, but if we don't, buffer-local variables are
6547 ;; not garbage-collected, it seems. This would the lead to en
6548 ;; ever-growing Emacs.
6549 (gnus-summary-clear-local-variables)
6550 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6551 (gnus-summary-clear-local-variables))
6552 (when (get-buffer gnus-article-buffer)
6553 (bury-buffer gnus-article-buffer))
6554 ;; We clear the global counterparts of the buffer-local
6555 ;; variables as well, just to be on the safe side.
6556 (set-buffer gnus-group-buffer)
6557 (gnus-summary-clear-local-variables)
6558 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6559 (gnus-summary-clear-local-variables))
6560 ;; Return to group mode buffer.
6561 (when (eq mode 'gnus-summary-mode)
6562 (gnus-kill-buffer buf)))
6563 (setq gnus-current-select-method gnus-select-method)
6565 (set-buffer gnus-group-buffer)
6566 (pop-to-buffer gnus-group-buffer))
6567 (if (not quit-config)
6569 (goto-char group-point)
6570 (unless leave-hidden
6571 (gnus-configure-windows 'group 'force))
6572 (unless (pos-visible-in-window-p)
6573 (forward-line (/ (static-if (featurep 'xemacs)
6574 (window-displayed-height)
6575 (1- (window-height)))
6577 (set-window-start (selected-window) (point))
6578 (goto-char group-point)))
6579 (gnus-handle-ephemeral-exit quit-config))
6580 ;; Clear the current group name.
6582 (setq gnus-newsgroup-name nil)))))
6584 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6585 (defun gnus-summary-exit-no-update (&optional no-questions)
6586 "Quit reading current newsgroup without updating read article info."
6588 (let* ((group gnus-newsgroup-name)
6589 (gnus-group-is-exiting-p t)
6590 (gnus-group-is-exiting-without-update-p t)
6591 (quit-config (gnus-group-quit-config group)))
6592 (when (or no-questions
6594 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6595 (gnus-async-halt-prefetch)
6596 (run-hooks 'gnus-summary-prepare-exit-hook)
6597 ;; If we have several article buffers, we kill them at exit.
6598 (unless gnus-single-article-buffer
6599 (gnus-kill-buffer gnus-article-buffer)
6600 (gnus-kill-buffer gnus-original-article-buffer)
6601 (setq gnus-article-current nil))
6602 (if (not gnus-kill-summary-on-exit)
6603 (gnus-deaden-summary)
6604 (gnus-close-group group)
6605 (gnus-summary-clear-local-variables)
6606 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6607 (gnus-summary-clear-local-variables))
6608 (set-buffer gnus-group-buffer)
6609 (gnus-summary-clear-local-variables)
6610 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6611 (gnus-summary-clear-local-variables))
6612 (gnus-kill-buffer gnus-summary-buffer))
6613 (unless gnus-single-article-buffer
6614 (setq gnus-article-current nil))
6615 (when gnus-use-trees
6616 (gnus-tree-close group))
6617 (gnus-async-prefetch-remove-group group)
6618 (when (get-buffer gnus-article-buffer)
6619 (bury-buffer gnus-article-buffer))
6620 ;; Return to the group buffer.
6621 (gnus-configure-windows 'group 'force)
6622 ;; Clear the current group name.
6623 (setq gnus-newsgroup-name nil)
6624 (unless (gnus-ephemeral-group-p group)
6625 (gnus-group-update-group group))
6626 (when (equal (gnus-group-group-name) group)
6627 (gnus-group-next-unread-group 1))
6629 (gnus-handle-ephemeral-exit quit-config)))))
6631 (defun gnus-handle-ephemeral-exit (quit-config)
6632 "Handle movement when leaving an ephemeral group.
6633 The state which existed when entering the ephemeral is reset."
6634 (if (not (buffer-name (car quit-config)))
6635 (gnus-configure-windows 'group 'force)
6636 (set-buffer (car quit-config))
6637 (cond ((eq major-mode 'gnus-summary-mode)
6638 (gnus-set-global-variables))
6639 ((eq major-mode 'gnus-article-mode)
6641 ;; The `gnus-summary-buffer' variable may point
6642 ;; to the old summary buffer when using a single
6644 (unless (gnus-buffer-live-p gnus-summary-buffer)
6645 (set-buffer gnus-group-buffer))
6646 (set-buffer gnus-summary-buffer)
6647 (gnus-set-global-variables))))
6648 (if (or (eq (cdr quit-config) 'article)
6649 (eq (cdr quit-config) 'pick))
6651 ;; The current article may be from the ephemeral group
6652 ;; thus it is best that we reload this article
6654 ;; If we're exiting from a large digest, this can be
6655 ;; extremely slow. So, it's better not to reload it. -- jh.
6656 ;;(gnus-summary-show-article)
6657 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6658 (gnus-configure-windows 'pick 'force)
6659 (gnus-configure-windows (cdr quit-config) 'force)))
6660 (gnus-configure-windows (cdr quit-config) 'force))
6661 (when (eq major-mode 'gnus-summary-mode)
6662 (gnus-summary-next-subject 1 nil t)
6663 (gnus-summary-recenter)
6664 (gnus-summary-position-point))))
6666 (defun gnus-summary-preview-mime-message ()
6667 "MIME decode and play this message."
6669 (let ((gnus-break-pages nil)
6671 (gnus-summary-select-article gnus-show-all-headers t))
6672 (let ((w (get-buffer-window gnus-article-buffer)))
6674 (select-window (get-buffer-window gnus-article-buffer)))))
6678 (defvar gnus-dead-summary-mode-map nil)
6680 (unless gnus-dead-summary-mode-map
6681 (setq gnus-dead-summary-mode-map (make-keymap))
6682 (suppress-keymap gnus-dead-summary-mode-map)
6683 (substitute-key-definition
6684 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6685 (dolist (key '("\C-d" "\r" "\177" [delete]))
6686 (define-key gnus-dead-summary-mode-map
6687 key 'gnus-summary-wake-up-the-dead))
6688 (dolist (key '("q" "Q"))
6689 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6691 (defvar gnus-dead-summary-mode nil
6692 "Minor mode for Gnus summary buffers.")
6694 (defun gnus-dead-summary-mode (&optional arg)
6695 "Minor mode for Gnus summary buffers."
6697 (when (eq major-mode 'gnus-summary-mode)
6698 (make-local-variable 'gnus-dead-summary-mode)
6699 (setq gnus-dead-summary-mode
6700 (if (null arg) (not gnus-dead-summary-mode)
6701 (> (prefix-numeric-value arg) 0)))
6702 (when gnus-dead-summary-mode
6704 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6706 (defun gnus-deaden-summary ()
6707 "Make the current summary buffer into a dead summary buffer."
6708 ;; Kill any previous dead summary buffer.
6709 (when (and gnus-dead-summary
6710 (buffer-name gnus-dead-summary))
6712 (set-buffer gnus-dead-summary)
6713 (when gnus-dead-summary-mode
6714 (kill-buffer (current-buffer)))))
6715 ;; Make this the current dead summary.
6716 (setq gnus-dead-summary (current-buffer))
6717 (gnus-dead-summary-mode 1)
6718 (let ((name (buffer-name)))
6719 (when (string-match "Summary" name)
6721 (concat (substring name 0 (match-beginning 0)) "Dead "
6722 (substring name (match-beginning 0)))
6726 (defun gnus-kill-or-deaden-summary (buffer)
6727 "Kill or deaden the summary BUFFER."
6729 (when (and (buffer-name buffer)
6730 (not gnus-single-article-buffer))
6733 (gnus-kill-buffer gnus-article-buffer)
6734 (gnus-kill-buffer gnus-original-article-buffer)))
6737 (gnus-kill-summary-on-exit
6738 (when (and gnus-use-trees
6739 (gnus-buffer-exists-p buffer))
6742 (gnus-tree-close gnus-newsgroup-name)))
6743 (gnus-kill-buffer buffer))
6744 ;; Deaden the buffer.
6745 ((gnus-buffer-exists-p buffer)
6748 (gnus-deaden-summary))))))
6750 (defun gnus-summary-wake-up-the-dead (&rest args)
6751 "Wake up the dead summary buffer."
6753 (gnus-dead-summary-mode -1)
6754 (let ((name (buffer-name)))
6755 (when (string-match "Dead " name)
6757 (concat (substring name 0 (match-beginning 0))
6758 (substring name (match-end 0)))
6760 (gnus-message 3 "This dead summary is now alive again"))
6762 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6763 (defun gnus-summary-fetch-faq (&optional faq-dir)
6764 "Fetch the FAQ for the current group.
6765 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6769 (when current-prefix-arg
6771 "FAQ dir: " (and (listp gnus-group-faq-directory)
6772 (mapcar (lambda (file) (list file))
6773 gnus-group-faq-directory))))))
6774 (let (gnus-faq-buffer)
6775 (when (setq gnus-faq-buffer
6776 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6777 (gnus-configure-windows 'summary-faq))))
6779 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6780 (defun gnus-summary-describe-group (&optional force)
6781 "Describe the current newsgroup."
6783 (gnus-group-describe-group force gnus-newsgroup-name))
6785 (defun gnus-summary-describe-briefly ()
6786 "Describe summary mode commands briefly."
6788 (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")))
6790 ;; Walking around group mode buffer from summary mode.
6792 (defun gnus-summary-next-group (&optional no-article target-group backward)
6793 "Exit current newsgroup and then select next unread newsgroup.
6794 If prefix argument NO-ARTICLE is non-nil, no article is selected
6795 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6796 previous group instead."
6798 ;; Stop pre-fetching.
6799 (gnus-async-halt-prefetch)
6800 (let ((current-group gnus-newsgroup-name)
6801 (current-buffer (current-buffer))
6803 ;; First we semi-exit this group to update Xrefs and all variables.
6804 ;; We can't do a real exit, because the window conf must remain
6805 ;; the same in case the user is prompted for info, and we don't
6806 ;; want the window conf to change before that...
6807 (gnus-summary-exit t)
6808 (while (not entered)
6809 ;; Then we find what group we are supposed to enter.
6810 (set-buffer gnus-group-buffer)
6811 (gnus-group-jump-to-group current-group)
6814 (if (eq gnus-keep-same-level 'best)
6815 (gnus-summary-best-group gnus-newsgroup-name)
6816 (gnus-summary-search-group backward gnus-keep-same-level))))
6817 (if (not target-group)
6818 ;; There are no further groups, so we return to the group
6821 (gnus-message 5 "Returning to the group buffer")
6823 (when (gnus-buffer-live-p current-buffer)
6824 (set-buffer current-buffer)
6825 (gnus-summary-exit))
6826 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6827 ;; We try to enter the target group.
6828 (gnus-group-jump-to-group target-group)
6829 (let ((unreads (gnus-group-group-unread)))
6830 (if (and (or (eq t unreads)
6831 (and unreads (not (zerop unreads))))
6832 (gnus-summary-read-group
6833 target-group nil no-article
6834 (and (buffer-name current-buffer) current-buffer)
6837 (setq current-group target-group
6838 target-group nil)))))))
6840 (defun gnus-summary-prev-group (&optional no-article)
6841 "Exit current newsgroup and then select previous unread newsgroup.
6842 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6844 (gnus-summary-next-group no-article nil t))
6846 ;; Walking around summary lines.
6848 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6849 "Go to the first subject satisfying any non-nil constraint.
6850 If UNREAD is non-nil, the article should be unread.
6851 If UNDOWNLOADED is non-nil, the article should be undownloaded.
6852 If UNSEEN is non-nil, the article should be unseen.
6853 Returns the article selected or nil if there are no matching articles."
6857 ((null gnus-newsgroup-data)
6858 (gnus-message 3 "No articles in the group")
6860 ;; Pick the first article.
6861 ((not (or unread undownloaded unseen))
6862 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6863 (gnus-data-number (car gnus-newsgroup-data)))
6864 ;; Find the first unread article.
6866 (let ((data gnus-newsgroup-data))
6868 (let ((num (gnus-data-number (car data))))
6869 (or (memq num gnus-newsgroup-unfetched)
6870 (not (or (and unread
6871 (memq num gnus-newsgroup-unreads))
6873 (memq num gnus-newsgroup-undownloaded))
6875 (memq num gnus-newsgroup-unseen)))))))
6876 (setq data (cdr data)))
6880 (goto-char (gnus-data-pos (car data)))
6881 (gnus-data-number (car data)))
6882 (gnus-message 3 "No more%s articles"
6883 (let* ((r (when unread " unread"))
6884 (d (when undownloaded " undownloaded"))
6885 (s (when unseen " unseen"))
6886 (l (delq nil (list r d s))))
6887 (cond ((= 3 (length l))
6888 (concat r "," d ", or" s))
6890 (concat (car l) ", or" (cadr l)))
6897 (gnus-summary-position-point))))))
6899 (defun gnus-summary-next-subject (n &optional unread dont-display)
6900 "Go to next N'th summary line.
6901 If N is negative, go to the previous N'th subject line.
6902 If UNREAD is non-nil, only unread articles are selected.
6903 The difference between N and the actual number of steps taken is
6906 (let ((backward (< n 0))
6910 (gnus-summary-find-prev unread)
6911 (gnus-summary-find-next unread)))
6912 (unless (zerop (setq n (1- n)))
6913 (gnus-summary-show-thread)))
6915 (gnus-message 7 "No more%s articles"
6916 (if unread " unread" "")))
6917 (unless dont-display
6918 (gnus-summary-recenter)
6919 (gnus-summary-position-point))
6922 (defun gnus-summary-next-unread-subject (n)
6923 "Go to next N'th unread summary line."
6925 (gnus-summary-next-subject n t))
6927 (defun gnus-summary-prev-subject (n &optional unread)
6928 "Go to previous N'th summary line.
6929 If optional argument UNREAD is non-nil, only unread article is selected."
6931 (gnus-summary-next-subject (- n) unread))
6933 (defun gnus-summary-prev-unread-subject (n)
6934 "Go to previous N'th unread summary line."
6936 (gnus-summary-next-subject (- n) t))
6938 (defun gnus-summary-goto-subjects (articles)
6939 "Insert the subject header for ARTICLES in the current buffer."
6941 (dolist (article articles)
6942 (gnus-summary-goto-subject article t)))
6943 (gnus-summary-limit (append articles gnus-newsgroup-limit))
6944 (gnus-summary-position-point))
6946 (defun gnus-summary-goto-subject (article &optional force silent)
6947 "Go the subject line of ARTICLE.
6948 If FORCE, also allow jumping to articles not currently shown."
6949 (interactive "nArticle number: ")
6950 (unless (numberp article)
6951 (error "Article %s is not a number" article))
6953 (data (gnus-data-find article)))
6954 ;; We read in the article if we have to.
6957 (gnus-summary-insert-subject
6959 (if (or (numberp force) (vectorp force)) force)
6961 (setq data (gnus-data-find article)))
6966 (gnus-message 3 "Can't find article %d" article))
6968 (let ((pt (gnus-data-pos data)))
6970 (gnus-summary-set-article-display-arrow pt))
6971 (gnus-summary-position-point)
6974 ;; Walking around summary lines with displaying articles.
6976 (defun gnus-summary-expand-window (&optional arg)
6977 "Make the summary buffer take up the entire Emacs frame.
6978 Given a prefix, will force an `article' buffer configuration."
6981 (gnus-configure-windows 'article 'force)
6982 (gnus-configure-windows 'summary 'force)))
6984 (defun gnus-summary-display-article (article &optional all-header)
6985 "Display ARTICLE in article buffer."
6986 (when (gnus-buffer-live-p gnus-article-buffer)
6987 (with-current-buffer gnus-article-buffer
6988 (set-buffer-multibyte t)))
6989 (gnus-set-global-variables)
6990 (when (gnus-buffer-live-p gnus-article-buffer)
6991 (with-current-buffer gnus-article-buffer
6992 (setq gnus-article-charset gnus-newsgroup-charset)
6993 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6994 (set-buffer-multibyte t)))
6998 (if gnus-summary-display-article-function
6999 (funcall gnus-summary-display-article-function article all-header)
7000 (gnus-article-prepare article all-header))
7001 (with-current-buffer gnus-article-buffer
7002 (set (make-local-variable 'gnus-summary-search-article-matched-data)
7004 (gnus-run-hooks 'gnus-select-article-hook)
7005 (when (and gnus-current-article
7006 (not (zerop gnus-current-article)))
7007 (gnus-summary-goto-subject gnus-current-article))
7008 (gnus-summary-recenter)
7009 (when (and gnus-use-trees gnus-show-threads)
7010 (gnus-possibly-generate-tree article)
7011 (gnus-highlight-selected-tree article))
7012 ;; Successfully display article.
7013 (gnus-article-set-window-start
7014 (cdr (assq article gnus-newsgroup-bookmarks))))))
7016 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7017 "Select the current article.
7018 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7019 non-nil, the article will be re-fetched even if it already present in
7020 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7022 ;; Make sure we are in the summary buffer to work around bbdb bug.
7023 (unless (eq major-mode 'gnus-summary-mode)
7024 (set-buffer gnus-summary-buffer))
7025 (let ((article (or article (gnus-summary-article-number)))
7026 (all-headers (not (not all-headers))) ;Must be T or NIL.
7027 gnus-summary-display-article-function)
7029 (gnus-summary-article-pseudo-p article)
7030 (error "This is a pseudo-article"))
7032 (set-buffer gnus-summary-buffer)
7033 (if (or (and gnus-single-article-buffer
7034 (or (null gnus-current-article)
7035 (null gnus-article-current)
7036 (null (get-buffer gnus-article-buffer))
7037 (not (eq article (cdr gnus-article-current)))
7038 (not (equal (car gnus-article-current)
7039 gnus-newsgroup-name))))
7040 (and (not gnus-single-article-buffer)
7041 (or (null gnus-current-article)
7042 (not (eq gnus-current-article article))))
7044 ;; The requested article is different from the current article.
7046 (gnus-summary-display-article article all-headers)
7047 (gnus-article-set-window-start
7048 (cdr (assq article gnus-newsgroup-bookmarks)))
7052 (defun gnus-summary-force-verify-and-decrypt ()
7053 "Display buttons for signed/encrypted parts and verify/decrypt them."
7055 (let ((mm-verify-option 'known)
7056 (mm-decrypt-option 'known)
7057 (gnus-article-emulate-mime t)
7058 (gnus-buttonized-mime-types (append (list "multipart/signed"
7059 "multipart/encrypted")
7060 gnus-buttonized-mime-types)))
7061 (gnus-summary-select-article nil 'force)))
7063 (defun gnus-summary-set-current-mark (&optional current-mark)
7064 "Obsolete function."
7067 (defun gnus-summary-next-article (&optional unread subject backward push)
7068 "Select the next article.
7069 If UNREAD, only unread articles are selected.
7070 If SUBJECT, only articles with SUBJECT are selected.
7071 If BACKWARD, the previous article is selected instead of the next."
7074 ;; Is there such an article?
7075 ((and (gnus-summary-search-forward unread subject backward)
7076 (or (gnus-summary-display-article (gnus-summary-article-number))
7077 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7078 (gnus-summary-position-point))
7079 ;; If not, we try the first unread, if that is wanted.
7081 gnus-auto-select-same
7082 (gnus-summary-first-unread-article))
7083 (gnus-summary-position-point)
7084 (gnus-message 6 "Wrapped"))
7085 ;; Try to get next/previous article not displayed in this group.
7086 ((and gnus-auto-extend-newsgroup
7087 (not unread) (not subject))
7088 (gnus-summary-goto-article
7089 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7090 nil (count-lines (point-min) (point))))
7091 ;; Go to next/previous group.
7093 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7094 (gnus-summary-jump-to-group gnus-newsgroup-name))
7095 (let ((cmd last-command-char)
7098 (set-buffer gnus-group-buffer)
7101 (if (eq gnus-keep-same-level 'best)
7102 (gnus-summary-best-group gnus-newsgroup-name)
7103 (gnus-summary-search-group backward gnus-keep-same-level))))
7104 ;; For some reason, the group window gets selected. We change
7106 (select-window (get-buffer-window (current-buffer)))
7107 ;; Select next unread newsgroup automagically.
7109 ((or (not gnus-auto-select-next)
7111 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7112 ((or (eq gnus-auto-select-next 'quietly)
7113 (and (eq gnus-auto-select-next 'slightly-quietly)
7115 (and (eq gnus-auto-select-next 'almost-quietly)
7116 (gnus-summary-last-article-p)))
7118 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7120 (gnus-message 7 "No more%s articles (%s)..."
7121 (if unread " unread" "")
7122 (if group (concat "selecting " group)
7124 (gnus-summary-next-group nil group backward)))
7126 (when (gnus-key-press-event-p last-input-event)
7127 (gnus-summary-walk-group-buffer
7128 gnus-newsgroup-name cmd unread backward point))))))))
7130 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7131 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7132 (?\C-p (gnus-group-prev-unread-group 1))))
7133 (cursor-in-echo-area t)
7134 keve key group ended prompt)
7136 (set-buffer gnus-group-buffer)
7139 (if (eq gnus-keep-same-level 'best)
7140 (gnus-summary-best-group gnus-newsgroup-name)
7141 (gnus-summary-search-group backward gnus-keep-same-level))))
7145 "No more%s articles%s " (if unread " unread" "")
7147 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7148 (format " (Type %s for %s [%s])"
7149 (single-key-description cmd) group
7150 (car (gnus-gethash group gnus-newsrc-hashtb)))
7151 (format " (Type %s to exit %s)"
7152 (single-key-description cmd)
7153 gnus-newsgroup-name))))
7154 ;; Confirm auto selection.
7155 (setq key (car (setq keve (gnus-read-event-char prompt)))
7158 ((assq key keystrokes)
7159 (let ((obuf (current-buffer)))
7160 (switch-to-buffer gnus-group-buffer)
7162 (gnus-group-jump-to-group group))
7163 (eval (cadr (assq key keystrokes)))
7164 (setq group (gnus-group-group-name))
7165 (switch-to-buffer obuf))
7169 (gnus-ephemeral-group-p gnus-newsgroup-name))
7171 (gnus-summary-next-group nil group backward)))
7173 (push (cdr keve) unread-command-events))))))
7175 (defun gnus-summary-next-unread-article ()
7176 "Select unread article after current one."
7178 (gnus-summary-next-article
7179 (or (not (eq gnus-summary-goto-unread 'never))
7180 (gnus-summary-last-article-p (gnus-summary-article-number)))
7181 (and gnus-auto-select-same
7182 (gnus-summary-article-subject))))
7184 (defun gnus-summary-prev-article (&optional unread subject)
7185 "Select the article after the current one.
7186 If UNREAD is non-nil, only unread articles are selected."
7188 (gnus-summary-next-article unread subject t))
7190 (defun gnus-summary-prev-unread-article ()
7191 "Select unread article before current one."
7193 (gnus-summary-prev-article
7194 (or (not (eq gnus-summary-goto-unread 'never))
7195 (gnus-summary-first-article-p (gnus-summary-article-number)))
7196 (and gnus-auto-select-same
7197 (gnus-summary-article-subject))))
7199 (defun gnus-summary-next-page (&optional lines circular stop)
7200 "Show next page of the selected article.
7201 If at the end of the current article, select the next article.
7202 LINES says how many lines should be scrolled up.
7204 If CIRCULAR is non-nil, go to the start of the article instead of
7205 selecting the next article when reaching the end of the current
7208 If STOP is non-nil, just stop when reaching the end of the message.
7210 Also see the variable `gnus-article-skip-boring'."
7212 (setq gnus-summary-buffer (current-buffer))
7213 (gnus-set-global-variables)
7214 (let ((article (gnus-summary-article-number))
7215 (article-window (get-buffer-window gnus-article-buffer t))
7217 ;; If the buffer is empty, we have no article.
7219 (error "No article to select"))
7220 (gnus-configure-windows 'article)
7221 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7222 (if (and (eq gnus-summary-goto-unread 'never)
7223 (not (gnus-summary-last-article-p article)))
7224 (gnus-summary-next-article)
7225 (gnus-summary-next-unread-article))
7226 (if (or (null gnus-current-article)
7227 (null gnus-article-current)
7228 (/= article (cdr gnus-article-current))
7229 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7230 ;; Selected subject is different from current article's.
7231 (gnus-summary-display-article article)
7232 (when article-window
7233 (gnus-eval-in-buffer-window gnus-article-buffer
7234 (setq endp (or (gnus-article-next-page lines)
7235 (gnus-article-only-boring-p))))
7238 (gnus-message 3 "End of message"))
7240 (gnus-summary-beginning-of-article))
7242 (gnus-message 3 "End of message"))
7244 (if (and (eq gnus-summary-goto-unread 'never)
7245 (not (gnus-summary-last-article-p article)))
7246 (gnus-summary-next-article)
7247 (gnus-summary-next-unread-article))))))))
7248 (gnus-summary-recenter)
7249 (gnus-summary-position-point)))
7251 (defun gnus-summary-prev-page (&optional lines move)
7252 "Show previous page of selected article.
7253 Argument LINES specifies lines to be scrolled down.
7254 If MOVE, move to the previous unread article if point is at
7255 the beginning of the buffer."
7257 (let ((article (gnus-summary-article-number))
7258 (article-window (get-buffer-window gnus-article-buffer t))
7260 (gnus-configure-windows 'article)
7261 (if (or (null gnus-current-article)
7262 (null gnus-article-current)
7263 (/= article (cdr gnus-article-current))
7264 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7265 ;; Selected subject is different from current article's.
7266 (gnus-summary-display-article article)
7267 (gnus-summary-recenter)
7268 (when article-window
7269 (gnus-eval-in-buffer-window gnus-article-buffer
7270 (setq endp (gnus-article-prev-page lines)))
7271 (when (and move endp)
7273 (gnus-message 3 "Beginning of message"))
7275 (if (and (eq gnus-summary-goto-unread 'never)
7276 (not (gnus-summary-first-article-p article)))
7277 (gnus-summary-prev-article)
7278 (gnus-summary-prev-unread-article))))))))
7279 (gnus-summary-position-point))
7281 (defun gnus-summary-prev-page-or-article (&optional lines)
7282 "Show previous page of selected article.
7283 Argument LINES specifies lines to be scrolled down.
7284 If at the beginning of the article, go to the next article."
7286 (gnus-summary-prev-page lines t))
7288 (defun gnus-summary-scroll-up (lines)
7289 "Scroll up (or down) one line current article.
7290 Argument LINES specifies lines to be scrolled up (or down if negative)."
7292 (gnus-configure-windows 'article)
7293 (gnus-summary-show-thread)
7294 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7295 (gnus-eval-in-buffer-window gnus-article-buffer
7297 (when (gnus-article-next-page lines)
7298 (gnus-message 3 "End of message")))
7300 (gnus-article-prev-page (- lines))))))
7301 (gnus-summary-recenter)
7302 (gnus-summary-position-point))
7304 (defun gnus-summary-scroll-down (lines)
7305 "Scroll down (or up) one line current article.
7306 Argument LINES specifies lines to be scrolled down (or up if negative)."
7308 (gnus-summary-scroll-up (- lines)))
7310 (defun gnus-summary-next-same-subject ()
7311 "Select next article which has the same subject as current one."
7313 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7315 (defun gnus-summary-prev-same-subject ()
7316 "Select previous article which has the same subject as current one."
7318 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7320 (defun gnus-summary-next-unread-same-subject ()
7321 "Select next unread article which has the same subject as current one."
7323 (gnus-summary-next-article t (gnus-summary-article-subject)))
7325 (defun gnus-summary-prev-unread-same-subject ()
7326 "Select previous unread article which has the same subject as current one."
7328 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7330 (defun gnus-summary-first-unread-article ()
7331 "Select the first unread article.
7332 Return nil if there are no unread articles."
7335 (when (gnus-summary-first-subject t)
7336 (gnus-summary-show-thread)
7337 (gnus-summary-first-subject t)
7338 (gnus-summary-display-article (gnus-summary-article-number)))
7339 (gnus-summary-position-point)))
7341 (defun gnus-summary-first-unread-subject ()
7342 "Place the point on the subject line of the first unread article.
7343 Return nil if there are no unread articles."
7346 (when (gnus-summary-first-subject t)
7347 (gnus-summary-show-thread)
7348 (gnus-summary-first-subject t))
7349 (gnus-summary-position-point)))
7351 (defun gnus-summary-first-unseen-subject ()
7352 "Place the point on the subject line of the first unseen article.
7353 Return nil if there are no unseen articles."
7356 (when (gnus-summary-first-subject nil nil t)
7357 (gnus-summary-show-thread)
7358 (gnus-summary-first-subject nil nil t))
7359 (gnus-summary-position-point)))
7361 (defun gnus-summary-first-unseen-or-unread-subject ()
7362 "Place the point on the subject line of the first unseen article or,
7363 if all article have been seen, on the subject line of the first unread
7367 (unless (when (gnus-summary-first-subject nil nil t)
7368 (gnus-summary-show-thread)
7369 (gnus-summary-first-subject nil nil t))
7370 (when (gnus-summary-first-subject t)
7371 (gnus-summary-show-thread)
7372 (gnus-summary-first-subject t)))
7373 (gnus-summary-position-point)))
7375 (defun gnus-summary-first-article ()
7376 "Select the first article.
7377 Return nil if there are no articles."
7380 (when (gnus-summary-first-subject)
7381 (gnus-summary-show-thread)
7382 (gnus-summary-first-subject)
7383 (gnus-summary-display-article (gnus-summary-article-number)))
7384 (gnus-summary-position-point)))
7386 (defun gnus-summary-best-unread-article (&optional arg)
7387 "Select the unread article with the highest score.
7388 If given a prefix argument, select the next unread article that has a
7389 score higher than the default score."
7391 (let ((article (if arg
7392 (gnus-summary-better-unread-subject)
7393 (gnus-summary-best-unread-subject))))
7395 (gnus-summary-goto-article article)
7396 (error "No unread articles"))))
7398 (defun gnus-summary-best-unread-subject ()
7399 "Select the unread subject with the highest score."
7401 (let ((best -1000000)
7402 (data gnus-newsgroup-data)
7405 (and (gnus-data-unread-p (car data))
7407 (gnus-summary-article-score (gnus-data-number (car data))))
7410 article (gnus-data-number (car data))))
7411 (setq data (cdr data)))
7413 (gnus-summary-goto-subject article))
7414 (gnus-summary-position-point)
7417 (defun gnus-summary-better-unread-subject ()
7418 "Select the first unread subject that has a score over the default score."
7420 (let ((data gnus-newsgroup-data)
7422 (while (and (setq article (gnus-data-number (car data)))
7423 (or (gnus-data-read-p (car data))
7424 (not (> (gnus-summary-article-score article)
7425 gnus-summary-default-score))))
7426 (setq data (cdr data)))
7428 (gnus-summary-goto-subject article))
7429 (gnus-summary-position-point)
7432 (defun gnus-summary-last-subject ()
7433 "Go to the last displayed subject line in the group."
7434 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7436 (gnus-summary-goto-subject article))))
7438 (defun gnus-summary-goto-article (article &optional all-headers force)
7439 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7440 If ALL-HEADERS is non-nil, no header lines are hidden.
7441 If FORCE, go to the article even if it isn't displayed. If FORCE
7442 is a number, it is the line the article is to be displayed on."
7446 "Article number or Message-ID: "
7447 (mapcar (lambda (number) (list (int-to-string number)))
7448 gnus-newsgroup-limit))
7452 (if (and (stringp article)
7453 (string-match "@\\|%40" article))
7454 (gnus-summary-refer-article article)
7455 (when (stringp article)
7456 (setq article (string-to-number article)))
7457 (if (gnus-summary-goto-subject article force)
7458 (gnus-summary-display-article article all-headers)
7459 (gnus-message 4 "Couldn't go to article %s" article) nil))
7460 (gnus-summary-position-point)))
7462 (defun gnus-summary-goto-last-article ()
7463 "Go to the previously read article."
7466 (when gnus-last-article
7467 (gnus-summary-goto-article gnus-last-article nil t))
7468 (gnus-summary-position-point)))
7470 (defun gnus-summary-pop-article (number)
7471 "Pop one article off the history and go to the previous.
7472 NUMBER articles will be popped off."
7475 (setq gnus-newsgroup-history
7476 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7478 (gnus-summary-goto-article (car to) nil t)
7479 (error "Article history empty")))
7480 (gnus-summary-position-point))
7482 ;; Summary commands and functions for limiting the summary buffer.
7484 (defun gnus-summary-limit-to-articles (n)
7485 "Limit the summary buffer to the next N articles.
7486 If not given a prefix, use the process marked articles instead."
7489 (let ((articles (gnus-summary-work-articles n)))
7490 (setq gnus-newsgroup-processable nil)
7491 (gnus-summary-limit articles))
7492 (gnus-summary-position-point)))
7494 (defun gnus-summary-pop-limit (&optional total)
7495 "Restore the previous limit.
7496 If given a prefix, remove all limits."
7499 (setq gnus-newsgroup-limits
7500 (list (mapcar (lambda (h) (mail-header-number h))
7501 gnus-newsgroup-headers))))
7502 (unless gnus-newsgroup-limits
7503 (error "No limit to pop"))
7505 (gnus-summary-limit nil 'pop)
7506 (gnus-summary-position-point)))
7508 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7509 "Limit the summary buffer to articles that have subjects that match a regexp.
7510 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7512 (list (read-string (if current-prefix-arg
7513 "Exclude subject (regexp): "
7514 "Limit to subject (regexp): "))
7515 nil current-prefix-arg))
7517 (setq header "subject"))
7518 (when (not (equal "" subject))
7520 (let ((articles (gnus-summary-find-matching
7521 (or header "subject") subject 'all nil nil
7524 (error "Found no matches for \"%s\"" subject))
7525 (gnus-summary-limit articles))
7526 (gnus-summary-position-point))))
7528 (defun gnus-summary-limit-to-author (from &optional not-matching)
7529 "Limit the summary buffer to articles that have authors that match a regexp.
7530 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7532 (list (read-string (if current-prefix-arg
7533 "Exclude author (regexp): "
7534 "Limit to author (regexp): "))
7535 current-prefix-arg))
7536 (gnus-summary-limit-to-subject from "from" not-matching))
7538 (defun gnus-summary-limit-to-age (age &optional younger-p)
7539 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7540 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7541 articles that are younger than AGE days."
7543 (let ((younger current-prefix-arg)
7546 (while (not days-got)
7547 (setq days (if younger
7548 (read-string "Limit to articles younger than (in days, older when negative): ")
7550 "Limit to articles older than (in days, younger when negative): ")))
7551 (when (> (length days) 0)
7552 (setq days (read days)))
7558 (setq younger (not younger))
7559 (setq days (* days -1)))))
7560 (message "Please enter a number.")
7562 (list days younger)))
7564 (let ((data gnus-newsgroup-data)
7565 (cutoff (days-to-time age))
7566 articles d date is-younger)
7567 (while (setq d (pop data))
7568 (when (and (vectorp (gnus-data-header d))
7569 (setq date (mail-header-date (gnus-data-header d))))
7570 (setq is-younger (time-less-p
7571 (time-since (condition-case ()
7578 (push (gnus-data-number d) articles))))
7579 (gnus-summary-limit (nreverse articles)))
7580 (gnus-summary-position-point)))
7582 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7583 "Limit the summary buffer to articles that match an 'extra' header."
7587 (gnus-completing-read-with-default
7588 (symbol-name (car gnus-extra-headers))
7589 (if current-prefix-arg
7590 "Exclude extra header:"
7591 "Limit extra header:")
7593 (cons (symbol-name x) x))
7598 (read-string (format "%s header %s (regexp): "
7599 (if current-prefix-arg "Exclude" "Limit to")
7601 current-prefix-arg)))
7602 (when (not (equal "" regexp))
7604 (let ((articles (gnus-summary-find-matching
7605 (cons 'extra header) regexp 'all nil nil
7608 (error "Found no matches for \"%s\"" regexp))
7609 (gnus-summary-limit articles))
7610 (gnus-summary-position-point))))
7612 (defun gnus-summary-limit-to-display-predicate ()
7613 "Limit the summary buffer to the predicated in the `display' group parameter."
7615 (unless gnus-newsgroup-display
7616 (error "There is no `display' group parameter"))
7618 (dolist (number gnus-newsgroup-articles)
7619 (when (funcall gnus-newsgroup-display)
7620 (push number articles)))
7621 (gnus-summary-limit articles))
7622 (gnus-summary-position-point))
7624 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7626 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7628 (defun gnus-summary-limit-to-unread (&optional all)
7629 "Limit the summary buffer to articles that are not marked as read.
7630 If ALL is non-nil, limit strictly to unread articles."
7633 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7634 (gnus-summary-limit-to-marks
7635 ;; Concat all the marks that say that an article is read and have
7637 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7638 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7639 gnus-low-score-mark gnus-expirable-mark
7640 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7641 gnus-duplicate-mark gnus-souped-mark)
7644 (defun gnus-summary-limit-to-replied (&optional unreplied)
7645 "Limit the summary buffer to replied articles.
7646 If UNREPLIED (the prefix), limit to unreplied articles."
7650 (gnus-set-difference gnus-newsgroup-articles
7651 gnus-newsgroup-replied))
7652 (gnus-summary-limit gnus-newsgroup-replied))
7653 (gnus-summary-position-point))
7655 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7656 (make-obsolete 'gnus-summary-delete-marked-with
7657 'gnus-summary-limit-exclude-marks)
7659 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7660 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7661 If REVERSE, limit the summary buffer to articles that are marked
7662 with MARKS. MARKS can either be a string of marks or a list of marks.
7663 Returns how many articles were removed."
7664 (interactive "sMarks: ")
7665 (gnus-summary-limit-to-marks marks t))
7667 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7668 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7669 If REVERSE (the prefix), limit the summary buffer to articles that are
7670 not marked with MARKS. MARKS can either be a string of marks or a
7672 Returns how many articles were removed."
7673 (interactive "sMarks: \nP")
7675 (let ((data gnus-newsgroup-data)
7676 (marks (if (listp marks) marks
7677 (append marks nil))) ; Transform to list.
7680 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7681 (memq (gnus-data-mark (car data)) marks))
7682 (push (gnus-data-number (car data)) articles))
7683 (setq data (cdr data)))
7684 (gnus-summary-limit articles))
7685 (gnus-summary-position-point)))
7687 (defun gnus-summary-limit-to-score (score)
7688 "Limit to articles with score at or above SCORE."
7689 (interactive "NLimit to articles with score of at least: ")
7690 (let ((data gnus-newsgroup-data)
7693 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7695 (push (gnus-data-number (car data)) articles))
7696 (setq data (cdr data)))
7698 (gnus-summary-limit articles)
7699 (gnus-summary-position-point))))
7701 (defun gnus-summary-limit-to-unseen ()
7702 "Limit to unseen articles."
7705 (gnus-summary-limit gnus-newsgroup-unseen)
7706 (gnus-summary-position-point)))
7708 (defun gnus-summary-limit-include-thread (id)
7709 "Display all the hidden articles that is in the thread with ID in it.
7710 When called interactively, ID is the Message-ID of the current
7712 (interactive (list (mail-header-id (gnus-summary-article-header))))
7713 (let ((articles (gnus-articles-in-thread
7714 (gnus-id-to-thread (gnus-root-id id)))))
7716 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7717 (gnus-summary-limit-include-matching-articles
7719 (regexp-quote (gnus-simplify-subject-re
7720 (mail-header-subject (gnus-id-to-header id)))))
7721 (gnus-summary-position-point))))
7723 (defun gnus-summary-limit-include-matching-articles (header regexp)
7724 "Display all the hidden articles that have HEADERs that match REGEXP."
7725 (interactive (list (read-string "Match on header: ")
7726 (read-string "Regexp: ")))
7727 (let ((articles (gnus-find-matching-articles header regexp)))
7729 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7730 (gnus-summary-position-point))))
7732 (defun gnus-summary-insert-dormant-articles ()
7733 "Insert all the dormant articles for this group into the current buffer."
7735 (let ((gnus-verbose (max 6 gnus-verbose)))
7736 (if (not gnus-newsgroup-dormant)
7737 (gnus-message 3 "No cached articles for this group")
7738 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7740 (defun gnus-summary-limit-include-dormant ()
7741 "Display all the hidden articles that are marked as dormant.
7742 Note that this command only works on a subset of the articles currently
7743 fetched for this group."
7745 (unless gnus-newsgroup-dormant
7746 (error "There are no dormant articles in this group"))
7748 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7749 (gnus-summary-position-point)))
7751 (defun gnus-summary-limit-exclude-dormant ()
7752 "Hide all dormant articles."
7755 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7756 (gnus-summary-position-point)))
7758 (defun gnus-summary-limit-exclude-childless-dormant ()
7759 "Hide all dormant articles that have no children."
7761 (let ((data (gnus-data-list t))
7762 articles d children)
7763 ;; Find all articles that are either not dormant or have
7765 (while (setq d (pop data))
7766 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7768 (gnus-article-children (gnus-data-number d)))
7771 (when (memq (car children) articles)
7776 (push (gnus-data-number d) articles)))
7779 (gnus-summary-limit articles)
7780 (gnus-summary-position-point))))
7782 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7783 "Mark all unread excluded articles as read.
7784 If ALL, mark even excluded ticked and dormants as read."
7786 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7787 (let ((articles (gnus-sorted-ndifference
7789 (mapcar (lambda (h) (mail-header-number h))
7790 gnus-newsgroup-headers)
7792 gnus-newsgroup-limit))
7794 (setq gnus-newsgroup-unreads
7795 (gnus-sorted-intersection gnus-newsgroup-unreads
7796 gnus-newsgroup-limit))
7798 (setq gnus-newsgroup-dormant nil
7799 gnus-newsgroup-marked nil
7800 gnus-newsgroup-reads
7802 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7803 gnus-newsgroup-reads))
7804 (while (setq article (pop articles))
7805 (unless (or (memq article gnus-newsgroup-dormant)
7806 (memq article gnus-newsgroup-marked))
7807 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7809 (defun gnus-summary-limit (articles &optional pop)
7811 ;; We pop the previous limit off the stack and use that.
7812 (setq articles (car gnus-newsgroup-limits)
7813 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7814 ;; We use the new limit, so we push the old limit on the stack.
7815 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7817 (setq gnus-newsgroup-limit articles)
7818 (let ((total (length gnus-newsgroup-data))
7819 (data (gnus-data-find-list (gnus-summary-article-number)))
7820 (gnus-summary-mark-below nil) ; Inhibit this.
7822 ;; This will do all the work of generating the new summary buffer
7823 ;; according to the new limit.
7824 (gnus-summary-prepare)
7825 ;; Hide any threads, possibly.
7826 (gnus-summary-maybe-hide-threads)
7827 ;; Try to return to the article you were at, or one in the
7830 ;; We try to find some article after the current one.
7832 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7835 (setq data (cdr data))))
7837 ;; If there is no data, that means that we were after the last
7838 ;; article. The same goes when we can't find any articles
7839 ;; after the current one.
7840 (goto-char (point-max))
7841 (gnus-summary-find-prev))
7842 (gnus-set-mode-line 'summary)
7843 ;; We return how many articles were removed from the summary
7844 ;; buffer as a result of the new limit.
7845 (- total (length gnus-newsgroup-data))))
7847 (defsubst gnus-invisible-cut-children (threads)
7850 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7855 (defsubst gnus-cut-thread (thread)
7856 "Go forwards in the thread until we find an article that we want to display."
7857 (when (or (eq gnus-fetch-old-headers 'some)
7858 (eq gnus-fetch-old-headers 'invisible)
7859 (numberp gnus-fetch-old-headers)
7860 (eq gnus-build-sparse-threads 'some)
7861 (eq gnus-build-sparse-threads 'more))
7862 ;; Deal with old-fetched headers and sparse threads.
7866 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7867 (gnus-summary-article-ancient-p
7868 (mail-header-number (car thread))))
7869 (if (or (<= (length (cdr thread)) 1)
7870 (eq gnus-fetch-old-headers 'invisible))
7871 (setq gnus-newsgroup-limit
7872 (delq (mail-header-number (car thread))
7873 gnus-newsgroup-limit)
7874 thread (cadr thread))
7875 (when (gnus-invisible-cut-children (cdr thread))
7876 (let ((th (cdr thread)))
7878 (if (memq (mail-header-number (caar th))
7879 gnus-newsgroup-limit)
7880 (setq thread (car th)
7882 (setq th (cdr th))))))))))
7885 (defun gnus-cut-threads (threads)
7886 "Cut off all uninteresting articles from the beginning of THREADS."
7887 (when (or (eq gnus-fetch-old-headers 'some)
7888 (eq gnus-fetch-old-headers 'invisible)
7889 (numberp gnus-fetch-old-headers)
7890 (eq gnus-build-sparse-threads 'some)
7891 (eq gnus-build-sparse-threads 'more))
7894 (setcar th (gnus-cut-thread (car th)))
7895 (setq th (cdr th)))))
7896 ;; Remove nixed out threads.
7899 (defun gnus-summary-initial-limit (&optional show-if-empty)
7900 "Figure out what the initial limit is supposed to be on group entry.
7901 This entails weeding out unwanted dormants, low-scored articles,
7902 fetch-old-headers verbiage, and so on."
7903 ;; Most groups have nothing to remove.
7904 (if (or gnus-inhibit-limiting
7905 (and (null gnus-newsgroup-dormant)
7906 (eq gnus-newsgroup-display 'gnus-not-ignore)
7907 (not (eq gnus-fetch-old-headers 'some))
7908 (not (numberp gnus-fetch-old-headers))
7909 (not (eq gnus-fetch-old-headers 'invisible))
7910 (null gnus-summary-expunge-below)
7911 (not (eq gnus-build-sparse-threads 'some))
7912 (not (eq gnus-build-sparse-threads 'more))
7913 (null gnus-thread-expunge-below)
7914 (not gnus-use-nocem)))
7916 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7917 (setq gnus-newsgroup-limit nil)
7920 (unless (car (symbol-value node))
7921 ;; These threads have no parents -- they are roots.
7922 (let ((nodes (cdr (symbol-value node)))
7925 (if (and gnus-thread-expunge-below
7926 (< (gnus-thread-total-score (car nodes))
7927 gnus-thread-expunge-below))
7928 (gnus-expunge-thread (pop nodes))
7929 (setq thread (pop nodes))
7930 (gnus-summary-limit-children thread))))))
7931 gnus-newsgroup-dependencies)
7932 ;; If this limitation resulted in an empty group, we might
7933 ;; pop the previous limit and use it instead.
7934 (when (and (not gnus-newsgroup-limit)
7936 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7937 gnus-newsgroup-limit))
7939 (defun gnus-summary-limit-children (thread)
7940 "Return 1 if this subthread is visible and 0 if it is not."
7941 ;; First we get the number of visible children to this thread. This
7942 ;; is done by recursing down the thread using this function, so this
7943 ;; will really go down to a leaf article first, before slowly
7944 ;; working its way up towards the root.
7946 (let* ((max-lisp-eval-depth 5000)
7949 (apply '+ (mapcar 'gnus-summary-limit-children
7952 (number (mail-header-number (car thread)))
7955 (not (memq number gnus-newsgroup-marked))
7957 ;; If this article is dormant and has absolutely no visible
7958 ;; children, then this article isn't visible.
7959 (and (memq number gnus-newsgroup-dormant)
7961 ;; If this is "fetch-old-headered" and there is no
7962 ;; visible children, then we don't want this article.
7963 (and (or (eq gnus-fetch-old-headers 'some)
7964 (numberp gnus-fetch-old-headers))
7965 (gnus-summary-article-ancient-p number)
7967 ;; If this is "fetch-old-headered" and `invisible', then
7968 ;; we don't want this article.
7969 (and (eq gnus-fetch-old-headers 'invisible)
7970 (gnus-summary-article-ancient-p number))
7971 ;; If this is a sparsely inserted article with no children,
7972 ;; we don't want it.
7973 (and (eq gnus-build-sparse-threads 'some)
7974 (gnus-summary-article-sparse-p number)
7976 ;; If we use expunging, and this article is really
7977 ;; low-scored, then we don't want this article.
7978 (when (and gnus-summary-expunge-below
7980 (or (cdr (assq number gnus-newsgroup-scored))
7981 gnus-summary-default-score))
7982 gnus-summary-expunge-below))
7983 ;; We increase the expunge-tally here, but that has
7984 ;; nothing to do with the limits, really.
7985 (incf gnus-newsgroup-expunged-tally)
7986 ;; We also mark as read here, if that's wanted.
7987 (when (and gnus-summary-mark-below
7988 (< score gnus-summary-mark-below))
7989 (setq gnus-newsgroup-unreads
7990 (delq number gnus-newsgroup-unreads))
7991 (if gnus-newsgroup-auto-expire
7992 (push number gnus-newsgroup-expirable)
7993 (push (cons number gnus-low-score-mark)
7994 gnus-newsgroup-reads)))
7996 ;; Do the `display' group parameter.
7997 (and gnus-newsgroup-display
7998 (not (funcall gnus-newsgroup-display)))
7999 ;; Check NoCeM things.
8000 (if (and gnus-use-nocem
8001 (gnus-nocem-unwanted-article-p
8002 (mail-header-id (car thread))))
8004 (setq gnus-newsgroup-unreads
8005 (delq number gnus-newsgroup-unreads))
8007 ;; Nope, invisible article.
8009 ;; Ok, this article is to be visible, so we add it to the limit
8011 (push number gnus-newsgroup-limit)
8014 (defun gnus-expunge-thread (thread)
8015 "Mark all articles in THREAD as read."
8016 (let* ((number (mail-header-number (car thread))))
8017 (incf gnus-newsgroup-expunged-tally)
8018 ;; We also mark as read here, if that's wanted.
8019 (setq gnus-newsgroup-unreads
8020 (delq number gnus-newsgroup-unreads))
8021 (if gnus-newsgroup-auto-expire
8022 (push number gnus-newsgroup-expirable)
8023 (push (cons number gnus-low-score-mark)
8024 gnus-newsgroup-reads)))
8025 ;; Go recursively through all subthreads.
8026 (mapcar 'gnus-expunge-thread (cdr thread)))
8028 ;; Summary article oriented commands
8030 (defun gnus-summary-refer-parent-article (n)
8031 "Refer parent article N times.
8032 If N is negative, go to ancestor -N instead.
8033 The difference between N and the number of articles fetched is returned."
8037 (when (not (natnump n))
8042 (setq header (gnus-summary-article-header))
8043 (if (and (eq (mail-header-number header)
8044 (cdr gnus-article-current))
8045 (equal gnus-newsgroup-name
8046 (car gnus-article-current)))
8047 ;; If we try to find the parent of the currently
8048 ;; displayed article, then we take a look at the actual
8049 ;; References header, since this is slightly more
8050 ;; reliable than the References field we got from the
8053 (set-buffer gnus-original-article-buffer)
8054 (nnheader-narrow-to-headers)
8055 (unless (setq ref (message-fetch-field "references"))
8056 (when (setq ref (message-fetch-field "in-reply-to"))
8057 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8060 ;; It's not the current article, so we take a bet on
8061 ;; the value we got from the server.
8062 (mail-header-references header)))
8064 (not (equal ref "")))
8065 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8066 (gnus-message 1 "Couldn't find parent"))
8067 (gnus-message 1 "No references in article %d"
8068 (gnus-summary-article-number))
8071 (gnus-summary-position-point)
8074 (defun gnus-summary-refer-references ()
8075 "Fetch all articles mentioned in the References header.
8076 Return the number of articles fetched."
8078 (let ((ref (mail-header-references (gnus-summary-article-header)))
8079 (current (gnus-summary-article-number))
8083 (error "No References in the current article")
8084 ;; For each Message-ID in the References header...
8085 (while (string-match "<[^>]*>" ref)
8087 ;; ... fetch that article.
8088 (gnus-summary-refer-article
8089 (prog1 (match-string 0 ref)
8090 (setq ref (substring ref (match-end 0))))))
8091 (gnus-summary-goto-subject current)
8092 (gnus-summary-position-point)
8095 (defun gnus-summary-refer-thread (&optional limit)
8096 "Fetch all articles in the current thread.
8097 If LIMIT (the numerical prefix), fetch that many old headers instead
8098 of what's specified by the `gnus-refer-thread-limit' variable."
8100 (let ((id (mail-header-id (gnus-summary-article-header)))
8101 (limit (if limit (prefix-numeric-value limit)
8102 gnus-refer-thread-limit)))
8103 (unless (eq gnus-fetch-old-headers 'invisible)
8104 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8105 ;; Retrieve the headers and read them in.
8106 (if (eq (if (numberp limit)
8107 (gnus-retrieve-headers
8109 (+ (mail-header-number
8110 (gnus-summary-article-header))
8112 gnus-newsgroup-end))
8113 gnus-newsgroup-name (* limit 2))
8114 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8116 (gnus-retrieve-headers (list gnus-newsgroup-end)
8117 gnus-newsgroup-name limit))
8119 (gnus-build-all-threads)
8120 (error "Can't fetch thread from back ends that don't support NOV"))
8121 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8122 (gnus-summary-limit-include-thread id)))
8124 (defun gnus-summary-refer-article (message-id)
8125 "Fetch an article specified by MESSAGE-ID."
8126 (interactive "sMessage-ID: ")
8127 (when (and (stringp message-id)
8128 (not (zerop (length message-id))))
8129 (setq message-id (gnus-replace-in-string message-id " " ""))
8130 ;; Construct the correct Message-ID if necessary.
8131 ;; Suggested by tale@pawl.rpi.edu.
8132 (unless (string-match "^<" message-id)
8133 (setq message-id (concat "<" message-id)))
8134 (unless (string-match ">$" message-id)
8135 (setq message-id (concat message-id ">")))
8136 ;; People often post MIDs from URLs, so unhex it:
8137 (unless (string-match "@" message-id)
8138 (setq message-id (gnus-url-unhex-string message-id)))
8139 (let* ((header (gnus-id-to-header message-id))
8141 (gnus-summary-article-sparse-p
8142 (mail-header-number header))
8143 (memq (mail-header-number header)
8144 gnus-newsgroup-limit)))
8147 ;; If the article is present in the buffer we just go to it.
8149 (or (not (gnus-summary-article-sparse-p
8150 (mail-header-number header)))
8153 (gnus-summary-goto-article
8154 (mail-header-number header) nil t)
8156 (gnus-summary-update-article (mail-header-number header)))))
8158 ;; We fetch the article.
8160 (dolist (gnus-override-method (gnus-refer-article-methods))
8161 (when (and (gnus-check-server gnus-override-method)
8162 ;; Fetch the header,
8163 (setq number (gnus-summary-insert-subject message-id)))
8164 ;; and display the article.
8165 (gnus-summary-select-article nil nil nil number)
8167 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8169 (defun gnus-refer-article-methods ()
8170 "Return a list of referable methods."
8172 ;; No method, so we default to current and native.
8173 ((null gnus-refer-article-method)
8174 (list gnus-current-select-method gnus-select-method))
8176 ((eq 'current gnus-refer-article-method)
8177 (list gnus-current-select-method))
8178 ;; List of select methods.
8179 ((not (and (symbolp (car gnus-refer-article-method))
8180 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8182 (dolist (method gnus-refer-article-method)
8183 (push (if (eq 'current method)
8184 gnus-current-select-method
8188 ;; One single select method.
8190 (list gnus-refer-article-method))))
8192 (defun gnus-summary-edit-parameters ()
8193 "Edit the group parameters of the current group."
8195 (gnus-group-edit-group gnus-newsgroup-name 'params))
8197 (defun gnus-summary-customize-parameters ()
8198 "Customize the group parameters of the current group."
8200 (gnus-group-customize gnus-newsgroup-name))
8202 (defun gnus-summary-enter-digest-group (&optional force)
8203 "Enter an nndoc group based on the current article.
8204 If FORCE, force a digest interpretation. If not, try
8205 to guess what the document format is."
8207 (let ((conf gnus-current-window-configuration))
8208 (save-window-excursion
8210 (let (gnus-article-prepare-hook
8211 gnus-display-mime-function
8213 (gnus-summary-select-article))))
8214 (setq gnus-current-window-configuration conf)
8215 (let* ((name (format "%s-%d"
8216 (gnus-group-prefixed-name
8217 gnus-newsgroup-name (list 'nndoc ""))
8219 (set-buffer gnus-summary-buffer)
8220 gnus-current-article)))
8221 (ogroup gnus-newsgroup-name)
8222 (params (append (gnus-info-params (gnus-get-info ogroup))
8223 (list (cons 'to-group ogroup))
8224 (list (cons 'parent-group ogroup))
8225 (list (cons 'save-article-group ogroup))))
8226 (case-fold-search t)
8227 (buf (current-buffer))
8230 (set-buffer gnus-original-article-buffer)
8231 ;; Have the digest group inherit the main mail address of
8232 ;; the parent article.
8233 (when (setq to-address (or (gnus-fetch-field "reply-to")
8234 (gnus-fetch-field "from")))
8235 (setq params (append
8236 (list (cons 'to-address
8237 (funcall gnus-decode-encoded-word-function
8239 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8240 (insert-buffer-substring gnus-original-article-buffer)
8241 ;; Remove lines that may lead nndoc to misinterpret the
8244 (goto-char (point-min))
8245 (or (search-forward "\n\n" nil t) (point)))
8246 (goto-char (point-min))
8247 (delete-matching-lines "^Path:\\|^From ")
8250 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8251 (gnus-newsgroup-ephemeral-ignored-charsets
8252 gnus-newsgroup-ignored-charsets))
8253 (gnus-group-read-ephemeral-group
8254 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8256 ,(if force 'mbox 'guess)))
8258 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8260 ;; Make all postings to this group go to the parent group.
8261 (nconc (gnus-info-params (gnus-get-info name))
8263 ;; Couldn't select this doc group.
8264 (switch-to-buffer buf)
8265 (gnus-set-global-variables)
8266 (gnus-configure-windows 'summary)
8267 (gnus-message 3 "Article couldn't be entered?"))
8268 (kill-buffer dig)))))
8270 (defun gnus-summary-read-document (n)
8271 "Open a new group based on the current article(s).
8272 This will allow you to read digests and other similar
8273 documents as newsgroups.
8274 Obeys the standard process/prefix convention."
8276 (let* ((articles (gnus-summary-work-articles n))
8277 (ogroup gnus-newsgroup-name)
8278 (params (append (gnus-info-params (gnus-get-info ogroup))
8279 (list (cons 'to-group ogroup))))
8280 article group egroup groups vgroup)
8281 (while (setq article (pop articles))
8282 (setq group (format "%s-%d" gnus-newsgroup-name article))
8283 (gnus-summary-remove-process-mark article)
8284 (when (gnus-summary-display-article article)
8287 (insert-buffer-substring gnus-original-article-buffer)
8288 ;; Remove some headers that may lead nndoc to make
8290 (message-narrow-to-head)
8291 (goto-char (point-min))
8292 (delete-matching-lines "^\\(Path\\):\\|^From ")
8295 (gnus-group-read-ephemeral-group
8296 group `(nndoc ,group (nndoc-address ,(current-buffer))
8297 (nndoc-article-type guess))
8300 ;; Make all postings to this group go to the parent group.
8301 (nconc (gnus-info-params (gnus-get-info egroup))
8303 (push egroup groups))
8304 ;; Couldn't select this doc group.
8305 (gnus-error 3 "Article couldn't be entered"))))))
8306 ;; Now we have selected all the documents.
8309 (error "None of the articles could be interpreted as documents"))
8310 ((gnus-group-read-ephemeral-group
8311 (setq vgroup (format
8312 "nnvirtual:%s-%s" gnus-newsgroup-name
8313 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8314 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8316 (cons (current-buffer) 'summary)))
8318 (error "Couldn't select virtual nndoc group")))))
8320 (defun gnus-summary-isearch-article (&optional regexp-p)
8321 "Do incremental search forward on the current article.
8322 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8324 (let* ((gnus-inhibit-treatment t)
8325 (old (gnus-summary-select-article)))
8326 (gnus-configure-windows 'article)
8327 (gnus-eval-in-buffer-window gnus-article-buffer
8331 (gnus-article-show-all-headers))
8332 (goto-char (point-min))
8333 (isearch-forward regexp-p)))))
8335 (defun gnus-summary-search-article-forward (regexp &optional backward)
8336 "Search for an article containing REGEXP forward.
8337 If BACKWARD, search backward instead."
8340 (format "Search article %s (regexp%s): "
8341 (if current-prefix-arg "backward" "forward")
8342 (if gnus-last-search-regexp
8343 (concat ", default " gnus-last-search-regexp)
8345 current-prefix-arg))
8346 (if (string-equal regexp "")
8347 (setq regexp (or gnus-last-search-regexp ""))
8348 (setq gnus-last-search-regexp regexp)
8349 (setq gnus-article-before-search gnus-current-article))
8350 ;; Intentionally set gnus-last-article.
8351 (setq gnus-last-article gnus-article-before-search)
8352 (let ((gnus-last-article gnus-last-article))
8353 (if (gnus-summary-search-article regexp backward)
8354 (gnus-summary-show-thread)
8355 (error "Search failed: \"%s\"" regexp))))
8357 (defun gnus-summary-search-article-backward (regexp)
8358 "Search for an article containing REGEXP backward."
8361 (format "Search article backward (regexp%s): "
8362 (if gnus-last-search-regexp
8363 (concat ", default " gnus-last-search-regexp)
8365 (gnus-summary-search-article-forward regexp 'backward))
8368 (defmacro gnus-summary-search-article-position-point (regexp backward)
8369 "Dehighlight the last matched text and goto the beginning position."
8370 (` (if (and gnus-summary-search-article-matched-data
8371 (let ((text (caddr gnus-summary-search-article-matched-data))
8372 (inhibit-read-only t)
8375 (goto-char (car gnus-summary-search-article-matched-data))
8376 (cadr gnus-summary-search-article-matched-data))
8378 (string-match (, regexp) text)))
8379 (if (, backward) (beginning-of-line) (end-of-line))
8380 (goto-char (if (, backward) (point-max) (point-min))))))
8382 (defmacro gnus-summary-search-article-highlight-goto-x-face (opoint)
8383 "Place point where X-Face image is displayed."
8384 (if (featurep 'xemacs)
8385 (` (let ((end (if (search-forward "\n\n" nil t)
8386 (goto-char (1- (point)))
8389 (or (search-backward "\n\n" nil t) (goto-char (point-min)))
8390 (unless (and (re-search-forward "^From:" end t)
8391 (setq extent (extent-at (point)))
8392 (extent-begin-glyph extent))
8393 (goto-char (, opoint)))))
8394 (` (let ((end (if (search-forward "\n\n" nil t)
8395 (goto-char (1- (point)))
8397 (start (or (search-backward "\n\n" nil t) (point-min))))
8399 (or (text-property-any start end 'x-face-image t);; x-face-e21
8400 (text-property-any start end 'x-face-mule-bitmap-image t)
8403 (defmacro gnus-summary-search-article-highlight-matched-text
8404 (backward treated x-face)
8405 "Highlight matched text in the function `gnus-summary-search-article'."
8406 (` (let ((start (set-marker (make-marker) (match-beginning 0)))
8407 (end (set-marker (make-marker) (match-end 0)))
8408 (inhibit-read-only t)
8412 (let ((items (mapcar 'car gnus-treatment-function-alist)))
8414 (lambda (item) (setq items (delq item items)))
8415 '(gnus-treat-buttonize
8416 gnus-treat-fill-article
8417 gnus-treat-fill-long-lines
8418 gnus-treat-emphasize
8419 gnus-treat-highlight-headers
8420 gnus-treat-highlight-citation
8421 gnus-treat-highlight-signature
8422 gnus-treat-overstrike
8423 gnus-treat-display-x-face
8424 gnus-treat-buttonize-head
8425 gnus-treat-decode-article-as-default-mime-charset))
8426 (static-if (featurep 'xemacs)
8428 (cons '(x-face-mule-delete-x-face-field
8431 (gnus-treat-display-x-face
8432 (when (, x-face) gnus-treat-display-x-face)))
8433 (gnus-article-prepare-mime-display)))
8434 (goto-char (if (, backward) start end))
8436 (gnus-summary-search-article-highlight-goto-x-face (point)))
8437 (setq gnus-summary-search-article-matched-data
8438 (list start end (buffer-substring start end)))
8439 (unless (eq start end);; matched text has been deleted. :-<
8440 (put-text-property start end 'face
8441 (or (find-face 'isearch)
8442 'secondary-selection))))))
8445 (defun gnus-summary-search-article (regexp &optional backward)
8446 "Search for an article containing REGEXP.
8447 Optional argument BACKWARD means do search for backward.
8448 `gnus-select-article-hook' is not called during the search."
8449 ;; We have to require this here to make sure that the following
8450 ;; dynamic binding isn't shadowed by autoloading.
8451 (require 'gnus-async)
8453 (let ((gnus-select-article-hook nil) ;Disable hook.
8454 (gnus-article-prepare-hook nil)
8455 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8456 (gnus-use-article-prefetch nil)
8457 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8458 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8460 (gnus-keep-backlog nil)
8461 (gnus-break-pages nil)
8462 (gnus-summary-display-arrow nil)
8463 (gnus-updated-mode-lines nil)
8464 (gnus-auto-center-summary nil)
8465 (sum (current-buffer))
8468 (gnus-save-hidden-threads
8469 (static-if (featurep 'xemacs)
8470 (let ((gnus-inhibit-treatment t))
8471 (setq treated (eq 'old (gnus-summary-select-article)))
8473 (not (and (gnus-buffer-live-p gnus-article-buffer)
8474 (window-live-p (get-buffer-window
8475 gnus-article-buffer t)))))
8476 (gnus-summary-select-article nil t)
8477 (setq treated nil)))
8478 (let ((gnus-inhibit-treatment t)
8479 (x-face-mule-delete-x-face-field 'never))
8480 (setq treated (eq 'old (gnus-summary-select-article)))
8483 (and (gnus-buffer-live-p gnus-article-buffer)
8484 (window-live-p (get-buffer-window
8485 gnus-article-buffer t))
8486 (or (not (string-match "^\\^X-Face:" regexp))
8487 (with-current-buffer gnus-article-buffer
8488 gnus-summary-search-article-matched-data)))))
8489 (gnus-summary-select-article nil t)
8490 (setq treated nil))))
8491 (set-buffer gnus-article-buffer)
8495 (gnus-article-show-all-headers)
8496 (gnus-summary-search-article-position-point regexp backward))
8497 (goto-char (if backward (point-max) (point-min))))
8499 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8501 (re-search-backward regexp nil t)
8502 (re-search-forward regexp nil t))
8503 ;; We found the regexp.
8505 (gnus-summary-search-article-highlight-matched-text
8506 backward treated (string-match "^\\^X-Face:" regexp))
8509 (/ (- 2 (window-height
8510 (get-buffer-window gnus-article-buffer t)))
8513 (get-buffer-window (current-buffer))
8516 (setq point (point)))
8517 ;; We didn't find it, so we go to the next article.
8520 (while (eq found 'not)
8521 (if (not (if backward (gnus-summary-find-prev)
8522 (gnus-summary-find-next)))
8523 ;; No more articles.
8525 ;; Select the next article and adjust point.
8526 (unless (gnus-summary-article-sparse-p
8527 (gnus-summary-article-number))
8529 (let ((gnus-inhibit-treatment t))
8530 (gnus-summary-select-article))
8532 (set-buffer gnus-article-buffer)
8534 (goto-char (if backward (point-max) (point-min))))))))
8535 (gnus-message 7 ""))
8536 ;; Return whether we found the regexp.
8537 (when (eq found 'found)
8539 (gnus-summary-show-thread)
8540 (gnus-summary-goto-subject gnus-current-article)
8541 (gnus-summary-position-point)
8544 (defun gnus-find-matching-articles (header regexp)
8545 "Return a list of all articles that match REGEXP on HEADER.
8546 This search includes all articles in the current group that Gnus has
8547 fetched headers for, whether they are displayed or not."
8548 (let ((articles nil)
8549 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8550 (case-fold-search t))
8551 (dolist (header gnus-newsgroup-headers)
8552 (when (string-match regexp (funcall func header))
8553 (push (mail-header-number header) articles)))
8554 (nreverse articles)))
8556 (defun gnus-summary-find-matching (header regexp &optional backward unread
8557 not-case-fold not-matching)
8558 "Return a list of all articles that match REGEXP on HEADER.
8559 The search stars on the current article and goes forwards unless
8560 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8561 If UNREAD is non-nil, only unread articles will
8562 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8563 in the comparisons. If NOT-MATCHING, return a list of all articles that
8564 not match REGEXP on HEADER."
8565 (let ((case-fold-search (not not-case-fold))
8568 (if (eq (car header) 'extra)
8571 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8573 (error "%s is an invalid header" header))
8574 (unless (fboundp (intern (concat "mail-header-" header)))
8575 (error "%s is not a valid header" header))
8576 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8577 (dolist (d (if (eq backward 'all)
8579 (gnus-data-find-list
8580 (gnus-summary-article-number)
8581 (gnus-data-list backward))))
8582 (when (and (or (not unread) ; We want all articles...
8583 (gnus-data-unread-p d)) ; Or just unreads.
8584 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8588 (funcall func (gnus-data-header d))))
8589 (string-match regexp
8590 (funcall func (gnus-data-header d)))))
8591 (push (gnus-data-number d) articles))) ; Success!
8592 (nreverse articles)))
8594 (defun gnus-summary-execute-command (header regexp command &optional backward)
8595 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8596 If HEADER is an empty string (or nil), the match is done on the entire
8597 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8599 (list (let ((completion-ignore-case t))
8602 (mapcar (lambda (header) (list (format "%s" header)))
8604 '("Number" "Subject" "From" "Lines" "Date"
8605 "Message-ID" "Xref" "References" "Body")
8606 gnus-extra-headers))
8607 nil 'require-match))
8608 (read-string "Regexp: ")
8609 (read-key-sequence "Command: ")
8610 current-prefix-arg))
8611 (when (equal header "Body")
8613 ;; Hidden thread subtrees must be searched as well.
8614 (gnus-summary-show-all-threads)
8615 ;; We don't want to change current point nor window configuration.
8617 (save-window-excursion
8619 gnus-treat-strip-trailing-blank-lines
8620 gnus-treat-strip-leading-blank-lines
8621 gnus-treat-strip-multiple-blank-lines
8622 gnus-treat-hide-boring-headers
8623 gnus-treat-fold-newsgroups
8624 gnus-article-prepare-hook)
8625 (gnus-message 6 "Executing %s..." (key-description command))
8626 ;; We'd like to execute COMMAND interactively so as to give arguments.
8627 (gnus-execute header regexp
8628 `(call-interactively ',(key-binding command))
8630 (gnus-message 6 "Executing %s...done" (key-description command))))))
8632 (defun gnus-summary-beginning-of-article ()
8633 "Scroll the article back to the beginning."
8635 (gnus-summary-select-article)
8636 (gnus-configure-windows 'article)
8637 (gnus-eval-in-buffer-window gnus-article-buffer
8639 (goto-char (point-min))
8640 (when gnus-break-pages
8641 (gnus-narrow-to-page))))
8643 (defun gnus-summary-end-of-article ()
8644 "Scroll to the end of the article."
8646 (gnus-summary-select-article)
8647 (gnus-configure-windows 'article)
8648 (gnus-eval-in-buffer-window gnus-article-buffer
8650 (goto-char (point-max))
8652 (when gnus-break-pages
8653 (when (re-search-backward page-delimiter nil t)
8654 (narrow-to-region (match-end 0) (point-max)))
8655 (gnus-narrow-to-page))))
8657 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8658 "Truncate to LEN and quote all \"(\"'s in STRING."
8659 (gnus-replace-in-string (if (and len (> (length string) len))
8660 (substring string 0 len)
8664 (defun gnus-summary-print-article (&optional filename n)
8665 "Generate and print a PostScript image of the process-marked (mail) articles.
8667 If used interactively, print the current article if none are
8668 process-marked. With prefix arg, prompt the user for the name of the
8671 When used from Lisp, accept two optional args FILENAME and N. N means
8672 to print the next N articles. If N is negative, print the N previous
8673 articles. If N is nil and articles have been marked with the process
8674 mark, print these instead.
8676 If the optional first argument FILENAME is nil, send the image to the
8677 printer. If FILENAME is a string, save the PostScript image in a file with
8678 that name. If FILENAME is a number, prompt the user for the name of the file
8680 (interactive (list (ps-print-preprint current-prefix-arg)))
8681 (dolist (article (gnus-summary-work-articles n))
8682 (gnus-summary-select-article nil nil 'pseudo article)
8683 (gnus-eval-in-buffer-window gnus-article-buffer
8684 (gnus-print-buffer))
8685 (gnus-summary-remove-process-mark article))
8686 (ps-despool filename))
8688 (defun gnus-print-buffer ()
8689 (let ((buffer (generate-new-buffer " *print*")))
8692 (copy-to-buffer buffer (point-min) (point-max))
8694 (gnus-remove-text-with-property 'gnus-decoration)
8695 (when (gnus-visual-p 'article-highlight 'highlight)
8696 ;; Copy-to-buffer doesn't copy overlay. So redo
8698 (let ((gnus-article-buffer buffer))
8699 (gnus-article-highlight-citation t)
8700 (gnus-article-highlight-signature)
8701 (gnus-article-emphasize)
8702 (gnus-article-delete-invisible-text)))
8703 (let ((ps-left-header
8706 (gnus-summary-print-truncate-and-quote
8707 (mail-header-subject gnus-current-headers)
8710 (gnus-summary-print-truncate-and-quote
8711 (mail-header-from gnus-current-headers)
8715 "/pagenumberstring load"
8717 (mail-header-date gnus-current-headers) ")"))))
8718 (gnus-run-hooks 'gnus-ps-print-hook)
8721 (ps-spool-buffer-with-faces)
8722 (ps-spool-buffer)))))
8723 (kill-buffer buffer))))
8725 (defun gnus-summary-show-article (&optional arg)
8726 "Force redisplaying of the current article.
8727 If ARG (the prefix) is a number, show the article with the charset
8728 defined in `gnus-summary-show-article-charset-alist', or the charset
8730 If ARG (the prefix) is non-nil and not a number, show the raw article
8731 without any article massaging functions being run. Normally, the key
8732 strokes are `C-u g'."
8736 (gnus-summary-show-article t)
8737 (let* ((gnus-newsgroup-charset
8738 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8739 (mm-read-coding-system
8740 "View as charset: " ;; actually it is coding system.
8742 (set-buffer gnus-article-buffer)
8743 (mm-detect-coding-region (point) (point-max))))))
8744 (default-mime-charset gnus-newsgroup-charset)
8745 (gnus-newsgroup-ignored-charsets 'gnus-all))
8746 (gnus-summary-select-article nil 'force)
8747 (let ((deps gnus-newsgroup-dependencies)
8750 (set-buffer gnus-original-article-buffer)
8752 (message-narrow-to-head)
8753 (setq head (buffer-string))
8754 (goto-char (point-min))
8755 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8756 (goto-char (point-max))
8758 (setq lines (1- (count-lines (point) (point-max))))))
8760 (insert (format "211 %d Article retrieved.\n"
8761 (cdr gnus-article-current)))
8763 (if lines (insert (format "Lines: %d\n" lines)))
8765 (let ((nntp-server-buffer (current-buffer)))
8766 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8767 (gnus-data-set-header
8768 (gnus-data-find (cdr gnus-article-current))
8770 (gnus-summary-update-article-line
8771 (cdr gnus-article-current) header)
8772 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8773 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8775 ;; Select the article the normal way.
8776 (gnus-summary-select-article nil 'force))
8778 ;; We have to require this here to make sure that the following
8779 ;; dynamic binding isn't shadowed by autoloading.
8780 (require 'gnus-async)
8782 ;; Bind the article treatment functions to nil.
8783 (let ((gnus-have-all-headers t)
8784 gnus-article-prepare-hook
8785 gnus-article-decode-hook
8788 (gnus-inhibit-treatment t))
8789 (gnus-summary-select-article nil 'force))))
8790 (gnus-summary-goto-subject gnus-current-article)
8791 (gnus-summary-position-point))
8793 (defun gnus-summary-show-raw-article ()
8794 "Show the raw article without any article massaging functions being run."
8796 (gnus-summary-show-article t))
8798 (defun gnus-summary-verbose-headers (&optional arg)
8799 "Toggle permanent full header display.
8800 If ARG is a positive number, turn header display on.
8801 If ARG is a negative number, turn header display off."
8803 (setq gnus-show-all-headers
8804 (cond ((or (not (numberp arg))
8806 (not gnus-show-all-headers))
8809 (gnus-summary-show-article))
8811 (defun gnus-summary-toggle-header (&optional arg)
8812 "Show the headers if they are hidden, or hide them if they are shown.
8813 If ARG is a positive number, show the entire header.
8814 If ARG is a negative number, hide the unwanted header lines."
8816 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8817 (get-buffer-window gnus-article-buffer t))))
8818 (with-current-buffer gnus-article-buffer
8820 (article-narrow-to-head)
8821 (let* ((buffer-read-only nil)
8822 (inhibit-point-motion-hooks t)
8823 (hidden (if (numberp arg)
8825 (gnus-article-hidden-text-p 'headers)))
8827 (delete-region (point-min) (point-max))
8828 (with-current-buffer gnus-original-article-buffer
8829 (goto-char (setq s (point-min)))
8830 (setq e (if (search-forward "\n\n" nil t)
8833 (insert-buffer-substring gnus-original-article-buffer s e)
8834 ;; In T-gnus, gnus-article-decode-hook doesn't contain
8835 ;; article-decode-encoded-words by default.
8836 (article-decode-encoded-words)
8837 (run-hooks 'gnus-article-decode-hook)
8839 (let ((gnus-treat-hide-headers nil)
8840 (gnus-treat-hide-boring-headers nil))
8841 (gnus-delete-wash-type 'headers)
8842 (gnus-treat-article 'head))
8843 (gnus-treat-article 'head))
8846 (set-window-start window (goto-char (point-min))))
8847 (if gnus-break-pages
8848 (gnus-narrow-to-page)
8849 (when (gnus-visual-p 'page-marker)
8850 (let ((buffer-read-only nil))
8851 (gnus-remove-text-with-property 'gnus-prev)
8852 (gnus-remove-text-with-property 'gnus-next))))
8853 (gnus-set-mode-line 'article)))))
8855 (defun gnus-summary-show-all-headers ()
8856 "Make all header lines visible."
8858 (gnus-summary-toggle-header 1))
8860 (defun gnus-summary-toggle-mime (&optional arg)
8861 "Toggle MIME processing.
8862 If ARG is a positive number, turn MIME processing on."
8864 (setq gnus-show-mime
8866 (not gnus-show-mime)
8867 (> (prefix-numeric-value arg) 0)))
8868 (gnus-summary-select-article t 'force))
8870 (defun gnus-summary-caesar-message (&optional arg)
8871 "Caesar rotate the current article by 13.
8872 The numerical prefix specifies how many places to rotate each letter
8875 (gnus-summary-select-article)
8876 (let ((mail-header-separator ""))
8877 (gnus-eval-in-buffer-window gnus-article-buffer
8880 (let ((start (window-start))
8882 (message-caesar-buffer-body arg)
8883 (set-window-start (get-buffer-window (current-buffer)) start))))))
8885 (autoload 'unmorse-region "morse"
8886 "Convert morse coded text in region to ordinary ASCII text."
8889 (defun gnus-summary-morse-message (&optional arg)
8890 "Morse decode the current article."
8892 (gnus-summary-select-article)
8893 (let ((mail-header-separator ""))
8894 (gnus-eval-in-buffer-window gnus-article-buffer
8898 (let ((pos (window-start))
8900 (goto-char (point-min))
8901 (when (message-goto-body)
8902 (gnus-narrow-to-body))
8903 (goto-char (point-min))
8904 (while (re-search-forward "·" (point-max) t)
8905 (replace-match "."))
8906 (unmorse-region (point-min) (point-max))
8908 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8910 (defun gnus-summary-stop-page-breaking ()
8911 "Stop page breaking in the current article."
8913 (gnus-summary-select-article)
8914 (gnus-eval-in-buffer-window gnus-article-buffer
8916 (when (gnus-visual-p 'page-marker)
8917 (let ((buffer-read-only nil))
8918 (gnus-remove-text-with-property 'gnus-prev)
8919 (gnus-remove-text-with-property 'gnus-next))
8920 (setq gnus-page-broken nil))))
8922 (defun gnus-summary-move-article (&optional n to-newsgroup
8923 select-method action)
8924 "Move the current article to a different newsgroup.
8925 If N is a positive number, move the N next articles.
8926 If N is a negative number, move the N previous articles.
8927 If N is nil and any articles have been marked with the process mark,
8928 move those articles instead.
8929 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8930 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8931 re-spool using this method.
8933 When called interactively with TO-NEWSGROUP being nil, the value of
8934 the variable `gnus-move-split-methods' is used for finding a default
8935 for the target newsgroup.
8937 For this function to work, both the current newsgroup and the
8938 newsgroup that you want to move to have to support the `request-move'
8939 and `request-accept' functions.
8941 ACTION can be either `move' (the default), `crosspost' or `copy'."
8944 (setq action 'move))
8945 ;; Check whether the source group supports the required functions.
8946 (cond ((and (eq action 'move)
8947 (not (gnus-check-backend-function
8948 'request-move-article gnus-newsgroup-name)))
8949 (error "The current group does not support article moving"))
8950 ((and (eq action 'crosspost)
8951 (not (gnus-check-backend-function
8952 'request-replace-article gnus-newsgroup-name)))
8953 (error "The current group does not support article editing")))
8954 (let ((articles (gnus-summary-work-articles n))
8955 (prefix (if (gnus-check-backend-function
8956 'request-move-article gnus-newsgroup-name)
8957 (gnus-group-real-prefix gnus-newsgroup-name)
8959 (names '((move "Move" "Moving")
8960 (copy "Copy" "Copying")
8961 (crosspost "Crosspost" "Crossposting")))
8962 (copy-buf (save-excursion
8963 (nnheader-set-temp-buffer " *copy article*")))
8964 art-group to-method new-xref article to-groups)
8965 (unless (assq action names)
8966 (error "Unknown action %s" action))
8967 ;; Read the newsgroup name.
8968 (when (and (not to-newsgroup)
8969 (not select-method))
8970 (if (and gnus-move-split-methods
8972 (and (memq gnus-current-article articles)
8973 (gnus-buffer-live-p gnus-original-article-buffer))))
8974 ;; When `gnus-move-split-methods' is non-nil, we have to
8975 ;; select an article to give `gnus-read-move-group-name' an
8976 ;; opportunity to suggest an appropriate default. However,
8977 ;; we needn't render or mark the article.
8978 (let ((gnus-display-mime-function nil)
8979 (gnus-article-prepare-hook nil)
8980 (gnus-mark-article-hook nil))
8981 (gnus-summary-select-article nil nil nil (car articles))))
8983 (gnus-read-move-group-name
8984 (cadr (assq action names))
8985 (symbol-value (intern (format "gnus-current-%s-group" action)))
8987 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8988 (setq to-method (or select-method
8989 (gnus-server-to-method
8990 (gnus-group-method to-newsgroup))))
8991 ;; Check the method we are to move this article to...
8992 (unless (gnus-check-backend-function
8993 'request-accept-article (car to-method))
8994 (error "%s does not support article copying" (car to-method)))
8995 (unless (gnus-check-server to-method)
8996 (error "Can't open server %s" (car to-method)))
8997 (gnus-message 6 "%s to %s: %s..."
8998 (caddr (assq action names))
8999 (or (car select-method) to-newsgroup) articles)
9001 (setq article (pop articles))
9005 ;; Move the article.
9007 ;; Remove this article from future suppression.
9008 (gnus-dup-unsuppress-article article)
9009 (gnus-request-move-article
9010 article ; Article to move
9011 gnus-newsgroup-name ; From newsgroup
9012 (nth 1 (gnus-find-method-for-group
9013 gnus-newsgroup-name)) ; Server
9014 (list 'gnus-request-accept-article
9015 to-newsgroup (list 'quote select-method)
9016 (not articles) t) ; Accept form
9017 (not articles))) ; Only save nov last time
9018 ;; Copy the article.
9021 (set-buffer copy-buf)
9022 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9023 (gnus-request-accept-article
9024 to-newsgroup select-method (not articles) t))))
9025 ;; Crosspost the article.
9026 ((eq action 'crosspost)
9027 (let ((xref (message-tokenize-header
9028 (mail-header-xref (gnus-summary-article-header article))
9030 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9031 ":" (number-to-string article)))
9033 (setq xref (list (system-name))))
9036 (mapconcat 'identity
9037 (delete "Xref:" (delete new-xref xref))
9041 (set-buffer copy-buf)
9042 ;; First put the article in the destination group.
9043 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9044 (when (consp (setq art-group
9045 (gnus-request-accept-article
9046 to-newsgroup select-method (not articles))))
9047 (setq new-xref (concat new-xref " " (car art-group)
9049 (number-to-string (cdr art-group))))
9050 ;; Now we have the new Xrefs header, so we insert
9051 ;; it and replace the new article.
9052 (nnheader-replace-header "Xref" new-xref)
9053 (gnus-request-replace-article
9054 (cdr art-group) to-newsgroup (current-buffer))
9058 (gnus-message 1 "Couldn't %s article %s: %s"
9059 (cadr (assq action names)) article
9060 (nnheader-get-report (car to-method))))
9061 ((eq art-group 'junk)
9062 (when (eq action 'move)
9063 (gnus-summary-mark-article article gnus-canceled-mark)
9064 (gnus-message 4 "Deleted article %s" article)
9065 ;; run the delete hook
9066 (run-hook-with-args 'gnus-summary-article-delete-hook
9069 (assoc article (gnus-data-list nil)))
9070 gnus-newsgroup-name nil
9073 (let* ((pto-group (gnus-group-prefixed-name
9074 (car art-group) to-method))
9076 (gnus-gethash pto-group gnus-newsrc-hashtb))
9077 (info (nth 2 entry))
9078 (to-group (gnus-info-group info))
9080 ;; Update the group that has been moved to.
9082 (memq action '(move copy)))
9083 (unless (member to-group to-groups)
9084 (push to-group to-groups))
9086 (unless (memq article gnus-newsgroup-unreads)
9087 (push 'read to-marks)
9089 info (gnus-add-to-range (gnus-info-read info)
9090 (list (cdr art-group)))))
9092 ;; See whether the article is to be put in the cache.
9093 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9094 gnus-article-mark-lists
9095 (delete '(expirable . expire)
9096 (copy-sequence gnus-article-mark-lists))))
9097 (to-article (cdr art-group)))
9099 ;; Enter the article into the cache in the new group,
9100 ;; if that is required.
9101 (when gnus-use-cache
9102 (gnus-cache-possibly-enter-article
9104 (let ((header (copy-sequence
9105 (gnus-summary-article-header article))))
9106 (mail-header-set-number header to-article)
9108 (memq article gnus-newsgroup-marked)
9109 (memq article gnus-newsgroup-dormant)
9110 (memq article gnus-newsgroup-unreads)))
9112 (when gnus-preserve-marks
9113 ;; Copy any marks over to the new group.
9114 (when (and (equal to-group gnus-newsgroup-name)
9115 (not (memq article gnus-newsgroup-unreads)))
9116 ;; Mark this article as read in this group.
9117 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9118 (setcdr (gnus-active to-group) to-article)
9119 (setcdr gnus-newsgroup-active to-article))
9122 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9123 (when (memq article (symbol-value
9124 (intern (format "gnus-newsgroup-%s"
9126 (push (cdar marks) to-marks)
9127 ;; If the other group is the same as this group,
9128 ;; then we have to add the mark to the list.
9129 (when (equal to-group gnus-newsgroup-name)
9130 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9133 (intern (format "gnus-newsgroup-%s"
9135 ;; Copy the marks to other group.
9136 (gnus-add-marked-articles
9137 to-group (cdar marks) (list to-article) info)))
9138 (setq marks (cdr marks)))
9140 (gnus-request-set-mark
9141 to-group (list (list (list to-article) 'add to-marks))))
9144 (concat "(gnus-group-set-info '"
9145 (gnus-prin1-to-string (gnus-get-info to-group))
9148 ;; Update the Xref header in this article to point to
9149 ;; the new crossposted article we have just created.
9150 (when (eq action 'crosspost)
9152 (set-buffer copy-buf)
9153 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9154 (nnheader-replace-header "Xref" new-xref)
9155 (gnus-request-replace-article
9156 article gnus-newsgroup-name (current-buffer))))
9158 ;; run the move/copy/crosspost/respool hook
9159 (run-hook-with-args 'gnus-summary-article-move-hook
9162 (assoc article (gnus-data-list nil)))
9167 ;;;!!!Why is this necessary?
9168 (set-buffer gnus-summary-buffer)
9170 (gnus-summary-goto-subject article)
9171 (when (eq action 'move)
9172 (gnus-summary-mark-article article gnus-canceled-mark))))
9173 (gnus-summary-remove-process-mark article))
9174 ;; Re-activate all groups that have been moved to.
9176 (set-buffer gnus-group-buffer)
9177 (let ((gnus-group-marked to-groups))
9178 (gnus-group-get-new-news-this-group nil t)))
9180 (gnus-kill-buffer copy-buf)
9181 (gnus-summary-position-point)
9182 (gnus-set-mode-line 'summary)))
9184 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9185 "Move the current article to a different newsgroup.
9186 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9187 When called interactively, if TO-NEWSGROUP is nil, use the value of
9188 the variable `gnus-move-split-methods' for finding a default target
9190 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9191 re-spool using this method."
9193 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9195 (defun gnus-summary-crosspost-article (&optional n)
9196 "Crosspost the current article to some other group."
9198 (gnus-summary-move-article n nil nil 'crosspost))
9200 (defcustom gnus-summary-respool-default-method nil
9201 "Default method type for respooling an article.
9202 If nil, use to the current newsgroup method."
9204 :group 'gnus-summary-mail)
9206 (defcustom gnus-summary-display-while-building nil
9207 "If non-nil, show and update the summary buffer as it's being built.
9208 If the value is t, update the buffer after every line is inserted. If
9209 the value is an integer (N), update the display every N lines."
9211 :type '(choice (const :tag "off" nil)
9213 (const :tag "frequently" t)))
9215 (defun gnus-summary-respool-article (&optional n method)
9216 "Respool the current article.
9217 The article will be squeezed through the mail spooling process again,
9218 which means that it will be put in some mail newsgroup or other
9219 depending on `nnmail-split-methods'.
9220 If N is a positive number, respool the N next articles.
9221 If N is a negative number, respool the N previous articles.
9222 If N is nil and any articles have been marked with the process mark,
9223 respool those articles instead.
9225 Respooling can be done both from mail groups and \"real\" newsgroups.
9226 In the former case, the articles in question will be moved from the
9227 current group into whatever groups they are destined to. In the
9228 latter case, they will be copied into the relevant groups."
9230 (list current-prefix-arg
9231 (let* ((methods (gnus-methods-using 'respool))
9233 (symbol-name (or gnus-summary-respool-default-method
9234 (car (gnus-find-method-for-group
9235 gnus-newsgroup-name)))))
9237 (gnus-completing-read-with-default
9238 methname "What backend do you want to use when respooling?"
9239 methods nil t nil 'gnus-mail-method-history))
9242 ((zerop (length (setq ms (gnus-servers-using-backend
9244 (list (intern method) ""))
9248 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9249 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9252 (error "No method given for respooling"))
9253 (if (assoc (symbol-name
9254 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9255 (gnus-methods-using 'respool))
9256 (gnus-summary-move-article n nil method)
9257 (gnus-summary-copy-article n nil method)))
9259 (defun gnus-summary-import-article (file &optional edit)
9260 "Import an arbitrary file into a mail newsgroup."
9261 (interactive "fImport file: \nP")
9262 (let ((group gnus-newsgroup-name)
9263 (now (current-time))
9264 atts lines group-art)
9265 (unless (gnus-check-backend-function 'request-accept-article group)
9266 (error "%s does not support article importing" group))
9267 (or (file-readable-p file)
9268 (not (file-regular-p file))
9269 (error "Can't read %s" file))
9271 (set-buffer (gnus-get-buffer-create " *import file*"))
9273 (nnheader-insert-file-contents file)
9274 (goto-char (point-min))
9275 (if (nnheader-article-p)
9277 (goto-char (point-min))
9278 (search-forward "\n\n" nil t)
9279 (narrow-to-region (point-min) (1- (point)))
9280 (goto-char (point-min))
9281 (unless (re-search-forward "^date:" nil t)
9282 (goto-char (point-max))
9283 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9284 ;; This doesn't look like an article, so we fudge some headers.
9285 (setq atts (file-attributes file)
9286 lines (count-lines (point-min) (point-max)))
9287 (insert "From: " (read-string "From: ") "\n"
9288 "Subject: " (read-string "Subject: ") "\n"
9289 "Date: " (message-make-date (nth 5 atts)) "\n"
9290 "Message-ID: " (message-make-message-id) "\n"
9291 "Lines: " (int-to-string lines) "\n"
9292 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9293 (setq group-art (gnus-request-accept-article group nil t))
9294 (kill-buffer (current-buffer)))
9295 (setq gnus-newsgroup-active (gnus-activate-group group))
9297 (gnus-summary-goto-article (cdr group-art) nil t)
9299 (gnus-summary-edit-article))))
9301 (defun gnus-summary-create-article ()
9302 "Create an article in a mail newsgroup."
9304 (let ((group gnus-newsgroup-name)
9305 (now (current-time))
9307 (unless (gnus-check-backend-function 'request-accept-article group)
9308 (error "%s does not support article importing" group))
9310 (set-buffer (gnus-get-buffer-create " *import file*"))
9312 (goto-char (point-min))
9313 ;; This doesn't look like an article, so we fudge some headers.
9314 (insert "From: " (read-string "From: ") "\n"
9315 "Subject: " (read-string "Subject: ") "\n"
9316 "Date: " (message-make-date now) "\n"
9317 "Message-ID: " (message-make-message-id) "\n")
9318 (setq group-art (gnus-request-accept-article group nil t))
9319 (kill-buffer (current-buffer)))
9320 (setq gnus-newsgroup-active (gnus-activate-group group))
9322 (gnus-summary-goto-article (cdr group-art) nil t)
9323 (gnus-summary-edit-article)))
9325 (defun gnus-summary-article-posted-p ()
9326 "Say whether the current (mail) article is available from news as well.
9327 This will be the case if the article has both been mailed and posted."
9329 (let ((id (mail-header-references (gnus-summary-article-header)))
9330 (gnus-override-method (car (gnus-refer-article-methods))))
9331 (if (gnus-request-head id "")
9332 (gnus-message 2 "The current message was found on %s"
9333 gnus-override-method)
9334 (gnus-message 2 "The current message couldn't be found on %s"
9335 gnus-override-method)
9338 (defun gnus-summary-expire-articles (&optional now)
9339 "Expire all articles that are marked as expirable in the current group."
9341 (when (and (not gnus-group-is-exiting-without-update-p)
9342 (gnus-check-backend-function
9343 'request-expire-articles gnus-newsgroup-name))
9344 ;; This backend supports expiry.
9345 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9346 (expirable (if total
9348 ;; We need to update the info for
9349 ;; this group for `gnus-list-of-read-articles'
9350 ;; to give us the right answer.
9351 (gnus-run-hooks 'gnus-exit-group-hook)
9352 (gnus-summary-update-info)
9353 (gnus-list-of-read-articles gnus-newsgroup-name))
9354 (setq gnus-newsgroup-expirable
9355 (sort gnus-newsgroup-expirable '<))))
9356 (expiry-wait (if now 'immediate
9357 (gnus-group-find-parameter
9358 gnus-newsgroup-name 'expiry-wait)))
9359 (nnmail-expiry-target
9360 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9361 nnmail-expiry-target))
9364 ;; There are expirable articles in this group, so we run them
9365 ;; through the expiry process.
9366 (gnus-message 6 "Expiring articles...")
9367 (unless (gnus-check-group gnus-newsgroup-name)
9368 (error "Can't open server for %s" gnus-newsgroup-name))
9369 ;; The list of articles that weren't expired is returned.
9372 (let ((nnmail-expiry-wait-function nil)
9373 (nnmail-expiry-wait expiry-wait))
9374 (setq es (gnus-request-expire-articles
9375 expirable gnus-newsgroup-name)))
9376 (setq es (gnus-request-expire-articles
9377 expirable gnus-newsgroup-name)))
9379 (setq gnus-newsgroup-expirable es))
9380 ;; We go through the old list of expirable, and mark all
9381 ;; really expired articles as nonexistent.
9382 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9383 (let ((gnus-use-cache nil))
9384 (dolist (article expirable)
9385 (when (and (not (memq article es))
9386 (gnus-data-find article))
9387 (gnus-summary-mark-article article gnus-canceled-mark)
9388 (run-hook-with-args 'gnus-summary-article-expire-hook
9391 (assoc article (gnus-data-list nil)))
9395 (gnus-message 6 "Expiring articles...done")))))
9397 (defun gnus-summary-expire-articles-now ()
9398 "Expunge all expirable articles in the current group.
9399 This means that *all* articles that are marked as expirable will be
9400 deleted forever, right now."
9402 (or gnus-expert-user
9404 "Are you really, really, really sure you want to delete all these messages? ")
9406 (gnus-summary-expire-articles t))
9408 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9409 (defun gnus-summary-delete-article (&optional n)
9410 "Delete the N next (mail) articles.
9411 This command actually deletes articles. This is not a marking
9412 command. The article will disappear forever from your life, never to
9415 If N is negative, delete backwards.
9416 If N is nil and articles have been marked with the process mark,
9417 delete these instead.
9419 If `gnus-novice-user' is non-nil you will be asked for
9420 confirmation before the articles are deleted."
9422 (unless (gnus-check-backend-function 'request-expire-articles
9423 gnus-newsgroup-name)
9424 (error "The current newsgroup does not support article deletion"))
9425 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9426 (error "Couldn't open server"))
9427 ;; Compute the list of articles to delete.
9428 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9429 (nnmail-expiry-target 'delete)
9431 (if (and gnus-novice-user
9432 (not (gnus-yes-or-no-p
9433 (format "Do you really want to delete %s forever? "
9434 (if (> (length articles) 1)
9435 (format "these %s articles" (length articles))
9438 ;; Delete the articles.
9439 (setq not-deleted (gnus-request-expire-articles
9440 articles gnus-newsgroup-name 'force))
9442 (gnus-summary-remove-process-mark (car articles))
9443 ;; The backend might not have been able to delete the article
9445 (unless (memq (car articles) not-deleted)
9446 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9447 (let* ((article (car articles))
9448 (id (mail-header-id (gnus-data-header
9449 (assoc article (gnus-data-list nil))))))
9450 (run-hook-with-args 'gnus-summary-article-delete-hook
9451 'delete id gnus-newsgroup-name nil
9453 (setq articles (cdr articles)))
9455 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9456 (gnus-summary-position-point)
9457 (gnus-set-mode-line 'summary)
9460 (defun gnus-summary-edit-article (&optional force)
9461 "Edit the current article.
9462 This will have permanent effect only in mail groups.
9463 If FORCE is non-nil, allow editing of articles even in read-only
9467 (set-buffer gnus-summary-buffer)
9468 (let ((mail-parse-charset gnus-newsgroup-charset)
9469 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9470 (gnus-set-global-variables)
9471 (when (and (not force)
9472 (gnus-group-read-only-p))
9473 (error "The current newsgroup does not support article editing"))
9474 (gnus-summary-show-article t)
9475 (gnus-article-edit-article
9477 `(lambda (no-highlight)
9478 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9479 (message-options message-options)
9480 (message-options-set-recipient)
9481 (mail-parse-ignored-charsets
9482 ',gnus-newsgroup-ignored-charsets))
9483 (gnus-summary-edit-article-done
9484 ,(or (mail-header-references gnus-current-headers) "")
9485 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
9487 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9489 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9491 "Make edits to the current article permanent."
9494 ;; The buffer restriction contains the entire article if it exists.
9495 (when (article-goto-body)
9496 (let ((lines (count-lines (point) (point-max)))
9497 (length (- (point-max) (point)))
9498 (case-fold-search t)
9499 (body (copy-marker (point))))
9500 (goto-char (point-min))
9501 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9502 (delete-region (match-beginning 1) (match-end 1))
9503 (insert (number-to-string length)))
9504 (goto-char (point-min))
9505 (when (re-search-forward
9506 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9507 (delete-region (match-beginning 1) (match-end 1))
9508 (insert (number-to-string length)))
9509 (goto-char (point-min))
9510 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9511 (delete-region (match-beginning 1) (match-end 1))
9512 (insert (number-to-string lines))))))
9513 ;; Replace the article.
9514 (let ((buf (current-buffer)))
9516 (insert-buffer-substring buf)
9518 (if (and (not read-only)
9519 (not (gnus-request-replace-article
9520 (cdr gnus-article-current) (car gnus-article-current)
9521 (current-buffer) t)))
9522 (error "Couldn't replace article")
9523 ;; Update the summary buffer.
9525 (equal (message-tokenize-header references " ")
9526 (message-tokenize-header
9527 (or (message-fetch-field "references") "") " ")))
9528 ;; We only have to update this line.
9531 (message-narrow-to-head)
9532 (let ((head (buffer-string))
9535 (insert (format "211 %d Article retrieved.\n"
9536 (cdr gnus-article-current)))
9539 (let ((nntp-server-buffer (current-buffer)))
9540 (setq header (car (gnus-get-newsgroup-headers
9543 (set-buffer gnus-summary-buffer)
9544 (gnus-data-set-header
9545 (gnus-data-find (cdr gnus-article-current))
9547 (gnus-summary-update-article-line
9548 (cdr gnus-article-current) header)
9549 (if (gnus-summary-goto-subject
9550 (cdr gnus-article-current) nil t)
9551 (gnus-summary-update-secondary-mark
9552 (cdr gnus-article-current))))))))
9554 (set-buffer (or buffer gnus-summary-buffer))
9555 (gnus-summary-update-article (cdr gnus-article-current))
9556 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9557 (gnus-summary-update-secondary-mark
9558 (cdr gnus-article-current))))
9559 ;; Prettify the article buffer again.
9560 (unless no-highlight
9562 (set-buffer gnus-article-buffer)
9563 ;;;!!! Fix this -- article should be rehighlighted.
9564 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9565 (set-buffer gnus-original-article-buffer)
9566 (gnus-request-article
9567 (cdr gnus-article-current)
9568 (car gnus-article-current) (current-buffer))))
9569 ;; Prettify the summary buffer line.
9570 (when (gnus-visual-p 'summary-highlight 'highlight)
9571 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9573 (defun gnus-summary-edit-wash (key)
9574 "Perform editing command KEY in the article buffer."
9578 (message "%s" (concat (this-command-keys) "- "))
9581 (gnus-summary-edit-article)
9582 (execute-kbd-macro (concat (this-command-keys) key))
9583 (gnus-article-edit-done))
9587 (defun gnus-summary-respool-query (&optional silent trace)
9588 "Query where the respool algorithm would put this article."
9590 (let (gnus-mark-article-hook)
9591 (gnus-summary-select-article)
9593 (set-buffer gnus-original-article-buffer)
9594 (let ((groups (nnmail-article-group 'identity trace)))
9597 (message "This message would go to %s"
9598 (mapconcat 'car groups ", "))
9599 (message "This message would go to no groups"))
9602 (defun gnus-summary-respool-trace ()
9603 "Trace where the respool algorithm would put this article.
9604 Display a buffer showing all fancy splitting patterns which matched."
9606 (gnus-summary-respool-query nil t))
9608 ;; Summary marking commands.
9610 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9611 "Mark articles which has the same subject as read, and then select the next.
9612 If UNMARK is positive, remove any kind of mark.
9613 If UNMARK is negative, tick articles."
9616 (setq unmark (prefix-numeric-value unmark)))
9618 (gnus-summary-mark-same-subject
9619 (gnus-summary-article-subject) unmark)))
9620 ;; Select next unread article. If auto-select-same mode, should
9621 ;; select the first unread article.
9622 (gnus-summary-next-article t (and gnus-auto-select-same
9623 (gnus-summary-article-subject)))
9624 (gnus-message 7 "%d article%s marked as %s"
9625 count (if (= count 1) " is" "s are")
9626 (if unmark "unread" "read"))))
9628 (defun gnus-summary-kill-same-subject (&optional unmark)
9629 "Mark articles which has the same subject as read.
9630 If UNMARK is positive, remove any kind of mark.
9631 If UNMARK is negative, tick articles."
9634 (setq unmark (prefix-numeric-value unmark)))
9636 (gnus-summary-mark-same-subject
9637 (gnus-summary-article-subject) unmark)))
9638 ;; If marked as read, go to next unread subject.
9640 ;; Go to next unread subject.
9641 (gnus-summary-next-subject 1 t))
9642 (gnus-message 7 "%d articles are marked as %s"
9643 count (if unmark "unread" "read"))))
9645 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9646 "Mark articles with same SUBJECT as read, and return marked number.
9647 If optional argument UNMARK is positive, remove any kinds of marks.
9648 If optional argument UNMARK is negative, mark articles as unread instead."
9652 ((null unmark) ; Mark as read.
9655 (gnus-summary-mark-article-as-read gnus-killed-mark)
9656 (gnus-summary-show-thread) t)
9657 (gnus-summary-find-subject subject))
9658 (setq count (1+ count))))
9659 ((> unmark 0) ; Tick.
9662 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9663 (gnus-summary-show-thread) t)
9664 (gnus-summary-find-subject subject))
9665 (setq count (1+ count))))
9666 (t ; Mark as unread.
9669 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9670 (gnus-summary-show-thread) t)
9671 (gnus-summary-find-subject subject))
9672 (setq count (1+ count)))))
9673 (gnus-set-mode-line 'summary)
9674 ;; Return the number of marked articles.
9677 (defun gnus-summary-mark-as-processable (n &optional unmark)
9678 "Set the process mark on the next N articles.
9679 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9680 the process mark instead. The difference between N and the actual
9681 number of articles marked is returned."
9683 (if (and (null n) (gnus-region-active-p))
9684 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9685 (setq n (prefix-numeric-value n))
9686 (let ((backward (< n 0))
9691 (gnus-summary-remove-process-mark
9692 (gnus-summary-article-number))
9693 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9694 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9697 (gnus-message 7 "No more articles"))
9698 (gnus-summary-recenter)
9699 (gnus-summary-position-point)
9702 (defun gnus-summary-unmark-as-processable (n)
9703 "Remove the process mark from the next N articles.
9704 If N is negative, unmark backward instead. The difference between N and
9705 the actual number of articles unmarked is returned."
9707 (gnus-summary-mark-as-processable n t))
9709 (defun gnus-summary-unmark-all-processable ()
9710 "Remove the process mark from all articles."
9713 (while gnus-newsgroup-processable
9714 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9715 (gnus-summary-position-point))
9717 (defun gnus-summary-add-mark (article type)
9718 "Mark ARTICLE with a mark of TYPE."
9719 (let ((vtype (car (assq type gnus-article-mark-lists)))
9722 (error "No such mark type: %s" type)
9723 (setq var (intern (format "gnus-newsgroup-%s" type)))
9724 (set var (cons article (symbol-value var)))
9725 (if (memq type '(processable cached replied forwarded recent saved))
9726 (gnus-summary-update-secondary-mark article)
9727 ;;; !!! This is bogus. We should find out what primary
9728 ;;; !!! mark we want to set.
9729 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9731 (defun gnus-summary-mark-as-expirable (n)
9732 "Mark N articles forward as expirable.
9733 If N is negative, mark backward instead. The difference between N and
9734 the actual number of articles marked is returned."
9736 (gnus-summary-mark-forward n gnus-expirable-mark))
9738 (defun gnus-summary-mark-as-spam (n)
9739 "Mark N articles forward as spam.
9740 If N is negative, mark backward instead. The difference between N and
9741 the actual number of articles marked is returned."
9743 (gnus-summary-mark-forward n gnus-spam-mark))
9745 (defun gnus-summary-mark-article-as-replied (article)
9746 "Mark ARTICLE as replied to and update the summary line.
9747 ARTICLE can also be a list of articles."
9748 (interactive (list (gnus-summary-article-number)))
9749 (let ((articles (if (listp article) article (list article))))
9750 (dolist (article articles)
9751 (unless (numberp article)
9752 (error "%s is not a number" article))
9753 (push article gnus-newsgroup-replied)
9754 (let ((buffer-read-only nil))
9755 (when (gnus-summary-goto-subject article nil t)
9756 (gnus-summary-update-secondary-mark article))))))
9758 (defun gnus-summary-mark-article-as-forwarded (article)
9759 "Mark ARTICLE as forwarded and update the summary line.
9760 ARTICLE can also be a list of articles."
9761 (let ((articles (if (listp article) article (list article))))
9762 (dolist (article articles)
9763 (push article gnus-newsgroup-forwarded)
9764 (let ((buffer-read-only nil))
9765 (when (gnus-summary-goto-subject article nil t)
9766 (gnus-summary-update-secondary-mark article))))))
9768 (defun gnus-summary-set-bookmark (article)
9769 "Set a bookmark in current article."
9770 (interactive (list (gnus-summary-article-number)))
9771 (when (or (not (get-buffer gnus-article-buffer))
9772 (not gnus-current-article)
9773 (not gnus-article-current)
9774 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9775 (error "No current article selected"))
9776 ;; Remove old bookmark, if one exists.
9777 (gnus-pull article gnus-newsgroup-bookmarks)
9778 ;; Set the new bookmark, which is on the form
9779 ;; (article-number . line-number-in-body).
9783 (set-buffer gnus-article-buffer)
9790 gnus-newsgroup-bookmarks)
9791 (gnus-message 6 "A bookmark has been added to the current article."))
9793 (defun gnus-summary-remove-bookmark (article)
9794 "Remove the bookmark from the current article."
9795 (interactive (list (gnus-summary-article-number)))
9796 ;; Remove old bookmark, if one exists.
9797 (if (not (assq article gnus-newsgroup-bookmarks))
9798 (gnus-message 6 "No bookmark in current article.")
9799 (gnus-pull article gnus-newsgroup-bookmarks)
9800 (gnus-message 6 "Removed bookmark.")))
9802 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9803 (defun gnus-summary-mark-as-dormant (n)
9804 "Mark N articles forward as dormant.
9805 If N is negative, mark backward instead. The difference between N and
9806 the actual number of articles marked is returned."
9808 (gnus-summary-mark-forward n gnus-dormant-mark))
9810 (defun gnus-summary-set-process-mark (article)
9811 "Set the process mark on ARTICLE and update the summary line."
9812 (setq gnus-newsgroup-processable
9814 (delq article gnus-newsgroup-processable)))
9815 (when (gnus-summary-goto-subject article)
9816 (gnus-summary-show-thread)
9817 (gnus-summary-goto-subject article)
9818 (gnus-summary-update-secondary-mark article)))
9820 (defun gnus-summary-remove-process-mark (article)
9821 "Remove the process mark from ARTICLE and update the summary line."
9822 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9823 (when (gnus-summary-goto-subject article)
9824 (gnus-summary-show-thread)
9825 (gnus-summary-goto-subject article)
9826 (gnus-summary-update-secondary-mark article)))
9828 (defun gnus-summary-set-saved-mark (article)
9829 "Set the process mark on ARTICLE and update the summary line."
9830 (push article gnus-newsgroup-saved)
9831 (when (gnus-summary-goto-subject article)
9832 (gnus-summary-update-secondary-mark article)))
9834 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9835 "Mark N articles as read forwards.
9836 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9837 The difference between N and the actual number of articles marked is
9839 If NO-EXPIRE, auto-expiry will be inhibited."
9841 (gnus-summary-show-thread)
9842 (let ((backward (< n 0))
9843 (gnus-summary-goto-unread
9844 (and gnus-summary-goto-unread
9845 (not (eq gnus-summary-goto-unread 'never))
9846 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9847 gnus-ticked-mark gnus-dormant-mark)))))
9849 (mark (or mark gnus-del-mark)))
9851 (gnus-summary-mark-article nil mark no-expire)
9852 (zerop (gnus-summary-next-subject
9854 (and gnus-summary-goto-unread
9855 (not (eq gnus-summary-goto-unread 'never)))
9859 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9860 (gnus-summary-recenter)
9861 (gnus-summary-position-point)
9862 (gnus-set-mode-line 'summary)
9865 (defun gnus-summary-mark-article-as-read (mark)
9866 "Mark the current article quickly as read with MARK."
9867 (let ((article (gnus-summary-article-number)))
9868 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9869 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9870 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9871 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9872 (push (cons article mark) gnus-newsgroup-reads)
9873 ;; Possibly remove from cache, if that is used.
9874 (when gnus-use-cache
9875 (gnus-cache-enter-remove-article article))
9876 ;; Allow the backend to change the mark.
9877 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9878 ;; Check for auto-expiry.
9879 (when (and gnus-newsgroup-auto-expire
9880 (memq mark gnus-auto-expirable-marks))
9881 (setq mark gnus-expirable-mark)
9882 ;; Let the backend know about the mark change.
9883 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9884 (push article gnus-newsgroup-expirable))
9885 ;; Set the mark in the buffer.
9886 (gnus-summary-update-mark mark 'unread)
9889 (defun gnus-summary-mark-article-as-unread (mark)
9890 "Mark the current article quickly as unread with MARK."
9891 (let* ((article (gnus-summary-article-number))
9892 (old-mark (gnus-summary-article-mark article)))
9893 ;; Allow the backend to change the mark.
9894 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9895 (if (eq mark old-mark)
9899 (gnus-error 1 "Can't mark negative article numbers")
9901 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9902 (setq gnus-newsgroup-spam-marked
9903 (delq article gnus-newsgroup-spam-marked))
9904 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9905 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9906 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9907 (cond ((= mark gnus-ticked-mark)
9908 (setq gnus-newsgroup-marked
9909 (gnus-add-to-sorted-list gnus-newsgroup-marked
9911 ((= mark gnus-spam-mark)
9912 (setq gnus-newsgroup-spam-marked
9913 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9915 ((= mark gnus-dormant-mark)
9916 (setq gnus-newsgroup-dormant
9917 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9920 (setq gnus-newsgroup-unreads
9921 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9923 (gnus-pull article gnus-newsgroup-reads)
9925 ;; See whether the article is to be put in the cache.
9927 (vectorp (gnus-summary-article-header article))
9929 (gnus-cache-possibly-enter-article
9930 gnus-newsgroup-name article
9931 (gnus-summary-article-header article)
9932 (= mark gnus-ticked-mark)
9933 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9936 (gnus-summary-update-mark mark 'unread)
9939 (defun gnus-summary-mark-article (&optional article mark no-expire)
9940 "Mark ARTICLE with MARK. MARK can be any character.
9941 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9942 `??' (dormant) and `?E' (expirable).
9943 If MARK is nil, then the default character `?r' is used.
9944 If ARTICLE is nil, then the article on the current line will be
9946 If NO-EXPIRE, auto-expiry will be inhibited."
9947 ;; The mark might be a string.
9948 (when (stringp mark)
9949 (setq mark (aref mark 0)))
9950 ;; If no mark is given, then we check auto-expiring.
9952 (setq mark gnus-del-mark))
9953 (when (and (not no-expire)
9954 gnus-newsgroup-auto-expire
9955 (memq mark gnus-auto-expirable-marks))
9956 (setq mark gnus-expirable-mark))
9957 (let ((article (or article (gnus-summary-article-number)))
9958 (old-mark (gnus-summary-article-mark article)))
9959 ;; Allow the backend to change the mark.
9960 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9961 (if (eq mark old-mark)
9964 (error "No article on current line"))
9965 (if (not (if (or (= mark gnus-unread-mark)
9966 (= mark gnus-ticked-mark)
9967 (= mark gnus-spam-mark)
9968 (= mark gnus-dormant-mark))
9969 (gnus-mark-article-as-unread article mark)
9970 (gnus-mark-article-as-read article mark)))
9972 ;; See whether the article is to be put in the cache.
9974 (not (= mark gnus-canceled-mark))
9975 (vectorp (gnus-summary-article-header article))
9977 (gnus-cache-possibly-enter-article
9978 gnus-newsgroup-name article
9979 (gnus-summary-article-header article)
9980 (= mark gnus-ticked-mark)
9981 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9983 (when (gnus-summary-goto-subject article nil t)
9984 (let ((buffer-read-only nil))
9985 (gnus-summary-show-thread)
9987 (gnus-summary-update-mark mark 'unread)
9990 (defun gnus-summary-update-secondary-mark (article)
9991 "Update the secondary (read, process, cache) mark."
9992 (gnus-summary-update-mark
9993 (cond ((memq article gnus-newsgroup-processable)
9995 ((memq article gnus-newsgroup-cached)
9997 ((memq article gnus-newsgroup-replied)
9999 ((memq article gnus-newsgroup-forwarded)
10000 gnus-forwarded-mark)
10001 ((memq article gnus-newsgroup-saved)
10003 ((memq article gnus-newsgroup-recent)
10005 ((memq article gnus-newsgroup-unseen)
10009 (when (gnus-visual-p 'summary-highlight 'highlight)
10010 (gnus-run-hooks 'gnus-summary-update-hook))
10013 (defun gnus-summary-update-download-mark (article)
10014 "Update the download mark."
10015 (gnus-summary-update-mark
10016 (cond ((memq article gnus-newsgroup-undownloaded)
10017 gnus-undownloaded-mark)
10018 (gnus-newsgroup-agentized
10019 gnus-downloaded-mark)
10023 (gnus-summary-update-line t)
10026 (defun gnus-summary-update-mark (mark type)
10027 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10028 (buffer-read-only nil))
10029 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10031 (when (looking-at "\r")
10033 (when (<= (+ forward (point)) (point-max))
10034 ;; Go to the right position on the line.
10035 (goto-char (+ forward (point)))
10036 ;; Replace the old mark with the new mark.
10037 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10038 ;; Optionally update the marks by some user rule.
10039 (when (eq type 'unread)
10040 (gnus-data-set-mark
10041 (gnus-data-find (gnus-summary-article-number)) mark)
10042 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10044 (defun gnus-mark-article-as-read (article &optional mark)
10045 "Enter ARTICLE in the pertinent lists and remove it from others."
10046 ;; Make the article expirable.
10047 (let ((mark (or mark gnus-del-mark)))
10048 (setq gnus-newsgroup-expirable
10049 (if (= mark gnus-expirable-mark)
10050 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10051 (delq article gnus-newsgroup-expirable)))
10052 ;; Remove from unread and marked lists.
10053 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10054 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10055 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10056 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10057 (push (cons article mark) gnus-newsgroup-reads)
10058 ;; Possibly remove from cache, if that is used.
10059 (when gnus-use-cache
10060 (gnus-cache-enter-remove-article article))
10063 (defun gnus-mark-article-as-unread (article &optional mark)
10064 "Enter ARTICLE in the pertinent lists and remove it from others."
10065 (let ((mark (or mark gnus-ticked-mark)))
10068 (gnus-error 1 "Can't mark negative article numbers")
10070 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10071 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10072 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10073 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10074 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10076 ;; Unsuppress duplicates?
10077 (when gnus-suppress-duplicates
10078 (gnus-dup-unsuppress-article article))
10080 (cond ((= mark gnus-ticked-mark)
10081 (setq gnus-newsgroup-marked
10082 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10083 ((= mark gnus-spam-mark)
10084 (setq gnus-newsgroup-spam-marked
10085 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10087 ((= mark gnus-dormant-mark)
10088 (setq gnus-newsgroup-dormant
10089 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10091 (setq gnus-newsgroup-unreads
10092 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10093 (gnus-pull article gnus-newsgroup-reads)
10096 (defalias 'gnus-summary-mark-as-unread-forward
10097 'gnus-summary-tick-article-forward)
10098 (make-obsolete 'gnus-summary-mark-as-unread-forward
10099 'gnus-summary-tick-article-forward)
10100 (defun gnus-summary-tick-article-forward (n)
10101 "Tick N articles forwards.
10102 If N is negative, tick backwards instead.
10103 The difference between N and the number of articles ticked is returned."
10105 (gnus-summary-mark-forward n gnus-ticked-mark))
10107 (defalias 'gnus-summary-mark-as-unread-backward
10108 'gnus-summary-tick-article-backward)
10109 (make-obsolete 'gnus-summary-mark-as-unread-backward
10110 'gnus-summary-tick-article-backward)
10111 (defun gnus-summary-tick-article-backward (n)
10112 "Tick N articles backwards.
10113 The difference between N and the number of articles ticked is returned."
10115 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10117 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10118 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10119 (defun gnus-summary-tick-article (&optional article clear-mark)
10120 "Mark current article as unread.
10121 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10122 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10124 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10125 gnus-ticked-mark)))
10127 (defun gnus-summary-mark-as-read-forward (n)
10128 "Mark N articles as read forwards.
10129 If N is negative, mark backwards instead.
10130 The difference between N and the actual number of articles marked is
10133 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10135 (defun gnus-summary-mark-as-read-backward (n)
10136 "Mark the N articles as read backwards.
10137 The difference between N and the actual number of articles marked is
10140 (gnus-summary-mark-forward
10141 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10143 (defun gnus-summary-mark-as-read (&optional article mark)
10144 "Mark current article as read.
10145 ARTICLE specifies the article to be marked as read.
10146 MARK specifies a string to be inserted at the beginning of the line."
10147 (gnus-summary-mark-article article mark))
10149 (defun gnus-summary-clear-mark-forward (n)
10150 "Clear marks from N articles forward.
10151 If N is negative, clear backward instead.
10152 The difference between N and the number of marks cleared is returned."
10154 (gnus-summary-mark-forward n gnus-unread-mark))
10156 (defun gnus-summary-clear-mark-backward (n)
10157 "Clear marks from N articles backward.
10158 The difference between N and the number of marks cleared is returned."
10160 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10162 (defun gnus-summary-mark-unread-as-read ()
10163 "Intended to be used by `gnus-summary-mark-article-hook'."
10164 (when (memq gnus-current-article gnus-newsgroup-unreads)
10165 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10167 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10168 "Intended to be used by `gnus-summary-mark-article-hook'."
10169 (let ((mark (gnus-summary-article-mark)))
10170 (when (or (gnus-unread-mark-p mark)
10171 (gnus-read-mark-p mark))
10172 (gnus-summary-mark-article gnus-current-article
10173 (or new-mark gnus-read-mark)))))
10175 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10176 "Intended to be used by `gnus-summary-mark-article-hook'."
10177 (let ((mark (gnus-summary-article-mark)))
10178 (when (or (gnus-unread-mark-p mark)
10179 (gnus-read-mark-p mark))
10180 (gnus-summary-mark-article (gnus-summary-article-number)
10181 (or new-mark gnus-read-mark)))))
10183 (defun gnus-summary-mark-unread-as-ticked ()
10184 "Intended to be used by `gnus-summary-mark-article-hook'."
10185 (when (memq gnus-current-article gnus-newsgroup-unreads)
10186 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10188 (defun gnus-summary-mark-region-as-read (point mark all)
10189 "Mark all unread articles between point and mark as read.
10190 If given a prefix, mark all articles between point and mark as read,
10191 even ticked and dormant ones."
10192 (interactive "r\nP")
10196 (beginning-of-line)
10201 (memq (setq article (gnus-summary-article-number))
10202 gnus-newsgroup-unreads))
10203 (gnus-summary-mark-article article gnus-del-mark))
10205 (gnus-summary-find-next))))))
10207 (defun gnus-summary-mark-below (score mark)
10208 "Mark articles with score less than SCORE with MARK."
10209 (interactive "P\ncMark: ")
10210 (setq score (if score
10211 (prefix-numeric-value score)
10212 (or gnus-summary-default-score 0)))
10214 (set-buffer gnus-summary-buffer)
10215 (goto-char (point-min))
10218 (and (< (gnus-summary-article-score) score)
10219 (gnus-summary-mark-article nil mark))
10220 (gnus-summary-find-next)))))
10222 (defun gnus-summary-kill-below (&optional score)
10223 "Mark articles with score below SCORE as read."
10225 (gnus-summary-mark-below score gnus-killed-mark))
10227 (defun gnus-summary-clear-above (&optional score)
10228 "Clear all marks from articles with score above SCORE."
10230 (gnus-summary-mark-above score gnus-unread-mark))
10232 (defun gnus-summary-tick-above (&optional score)
10233 "Tick all articles with score above SCORE."
10235 (gnus-summary-mark-above score gnus-ticked-mark))
10237 (defun gnus-summary-mark-above (score mark)
10238 "Mark articles with score over SCORE with MARK."
10239 (interactive "P\ncMark: ")
10240 (setq score (if score
10241 (prefix-numeric-value score)
10242 (or gnus-summary-default-score 0)))
10244 (set-buffer gnus-summary-buffer)
10245 (goto-char (point-min))
10247 (when (> (gnus-summary-article-score) score)
10248 (gnus-summary-mark-article nil mark))
10250 (gnus-summary-find-next)))))
10252 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10253 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10254 (defun gnus-summary-limit-include-expunged (&optional no-error)
10255 "Display all the hidden articles that were expunged for low scores."
10257 (let ((buffer-read-only nil))
10258 (let ((scored gnus-newsgroup-scored)
10261 (unless (gnus-summary-article-header (caar scored))
10262 (and (setq h (gnus-number-to-header (caar scored)))
10263 (< (cdar scored) gnus-summary-expunge-below)
10265 (setq scored (cdr scored)))
10267 (when (not no-error)
10268 (error "No expunged articles hidden"))
10269 (goto-char (point-min))
10270 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10271 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10272 (mapcar (lambda (x) (push (mail-header-number x)
10273 gnus-newsgroup-limit))
10275 (gnus-summary-prepare-unthreaded (nreverse headers))
10276 (goto-char (point-min))
10277 (gnus-summary-position-point)
10280 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10281 "Mark all unread articles in this newsgroup as read.
10282 If prefix argument ALL is non-nil, ticked and dormant articles will
10283 also be marked as read.
10284 If QUIETLY is non-nil, no questions will be asked.
10286 If TO-HERE is non-nil, it should be a point in the buffer. All
10287 articles before (after, if REVERSE is set) this point will be marked
10290 Note that this function will only catch up the unread article
10291 in the current summary buffer limitation.
10293 The number of articles marked as read is returned."
10298 (not gnus-interactive-catchup) ;Without confirmation?
10302 "Mark absolutely all articles as read? "
10303 "Mark all unread articles as read? ")))
10305 (not gnus-newsgroup-adaptive)
10306 (not gnus-newsgroup-auto-expire)
10307 (not gnus-suppress-duplicates)
10308 (or (not gnus-use-cache)
10309 (eq gnus-use-cache 'passive)))
10312 (setq gnus-newsgroup-marked nil
10313 gnus-newsgroup-spam-marked nil
10314 gnus-newsgroup-dormant nil))
10315 (setq gnus-newsgroup-unreads
10316 (gnus-sorted-nunion
10317 (gnus-intersection gnus-newsgroup-unreads
10318 gnus-newsgroup-downloadable)
10319 gnus-newsgroup-unfetched)))
10320 ;; We actually mark all articles as canceled, which we
10321 ;; have to do when using auto-expiry or adaptive scoring.
10322 (gnus-summary-show-all-threads)
10323 (if (and to-here reverse)
10325 (goto-char to-here)
10326 (gnus-summary-mark-current-read-and-unread-as-read
10328 (while (gnus-summary-find-next (not all))
10329 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10330 (when (gnus-summary-first-subject (not all))
10332 (if to-here (< (point) to-here) t)
10333 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10334 (gnus-summary-find-next (not all))))))
10335 (gnus-set-mode-line 'summary))
10337 (gnus-summary-position-point)))
10339 (defun gnus-summary-catchup-to-here (&optional all)
10340 "Mark all unticked articles before the current one as read.
10341 If ALL is non-nil, also mark ticked and dormant articles as read."
10344 (gnus-save-hidden-threads
10345 (let ((beg (point)))
10346 ;; We check that there are unread articles.
10347 (when (or all (gnus-summary-find-prev))
10348 (gnus-summary-catchup all t beg)))))
10349 (gnus-summary-position-point))
10351 (defun gnus-summary-catchup-from-here (&optional all)
10352 "Mark all unticked articles after (and including) the current one as read.
10353 If ALL is non-nil, also mark ticked and dormant articles as read."
10356 (gnus-save-hidden-threads
10357 (let ((beg (point)))
10358 ;; We check that there are unread articles.
10359 (when (or all (gnus-summary-find-next))
10360 (gnus-summary-catchup all t beg nil t)))))
10361 (gnus-summary-position-point))
10363 (defun gnus-summary-catchup-all (&optional quietly)
10364 "Mark all articles in this newsgroup as read.
10365 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10366 instead, which marks only unread articles as read."
10368 (gnus-summary-catchup t quietly))
10370 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10371 "Mark all unread articles in this group as read, then exit.
10372 If prefix argument ALL is non-nil, all articles are marked as read.
10373 If QUIETLY is non-nil, no questions will be asked."
10375 (when (gnus-summary-catchup all quietly nil 'fast)
10376 ;; Select next newsgroup or exit.
10377 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10378 (eq gnus-auto-select-next 'quietly))
10379 (gnus-summary-next-group nil)
10380 (gnus-summary-exit))))
10382 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10383 "Mark all articles in this newsgroup as read, and then exit.
10384 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10385 instead, which marks only unread articles as read."
10387 (gnus-summary-catchup-and-exit t quietly))
10389 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10390 "Mark all articles in this group as read and select the next group.
10391 If given a prefix, mark all articles, unread as well as ticked, as
10395 (gnus-summary-catchup all))
10396 (gnus-summary-next-group))
10402 (defmacro gnus-with-article (article &rest forms)
10403 "Select ARTICLE and perform FORMS in the original article buffer.
10404 Then replace the article with the result."
10406 ;; We don't want the article to be marked as read.
10407 (let (gnus-mark-article-hook)
10408 (gnus-summary-select-article t t nil ,article))
10409 (set-buffer gnus-original-article-buffer)
10411 (if (not (gnus-check-backend-function
10412 'request-replace-article (car gnus-article-current)))
10413 (gnus-message 5 "Read-only group; not replacing")
10414 (unless (gnus-request-replace-article
10415 ,article (car gnus-article-current)
10416 (current-buffer) t)
10417 (error "Couldn't replace article")))
10418 ;; The cache and backlog have to be flushed somewhat.
10419 (when gnus-keep-backlog
10420 (gnus-backlog-remove-article
10421 (car gnus-article-current) (cdr gnus-article-current)))
10422 (when gnus-use-cache
10423 (gnus-cache-update-article
10424 (car gnus-article-current) (cdr gnus-article-current)))))
10426 (put 'gnus-with-article 'lisp-indent-function 1)
10427 (put 'gnus-with-article 'edebug-form-spec '(form body))
10429 ;; Thread-based commands.
10431 (defun gnus-summary-articles-in-thread (&optional article)
10432 "Return a list of all articles in the current thread.
10433 If ARTICLE is non-nil, return all articles in the thread that starts
10434 with that article."
10435 (let* ((article (or article (gnus-summary-article-number)))
10436 (data (gnus-data-find-list article))
10437 (top-level (gnus-data-level (car data)))
10439 (cond ((null gnus-thread-operation-ignore-subject)
10440 (gnus-simplify-subject-re
10441 (mail-header-subject (gnus-data-header (car data)))))
10442 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10443 (gnus-simplify-subject-fuzzy
10444 (mail-header-subject (gnus-data-header (car data)))))
10446 (end-point (save-excursion
10447 (if (gnus-summary-go-to-next-thread)
10448 (point) (point-max))))
10451 (< (gnus-data-pos (car data)) end-point))
10452 (when (or (not top-subject)
10453 (string= top-subject
10454 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10455 (gnus-simplify-subject-fuzzy
10456 (mail-header-subject
10457 (gnus-data-header (car data))))
10458 (gnus-simplify-subject-re
10459 (mail-header-subject
10460 (gnus-data-header (car data)))))))
10461 (push (gnus-data-number (car data)) articles))
10462 (unless (and (setq data (cdr data))
10463 (> (gnus-data-level (car data)) top-level))
10465 ;; Return the list of articles.
10466 (nreverse articles)))
10468 (defun gnus-summary-rethread-current ()
10469 "Rethread the thread the current article is part of."
10471 (let* ((gnus-show-threads t)
10472 (article (gnus-summary-article-number))
10473 (id (mail-header-id (gnus-summary-article-header)))
10474 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10476 (error "No article on the current line"))
10477 (gnus-rebuild-thread id)
10478 (gnus-summary-goto-subject article)))
10480 (defun gnus-summary-reparent-thread ()
10481 "Make the current article child of the marked (or previous) article.
10483 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10484 is non-nil or the Subject: of both articles are the same."
10486 (unless (not (gnus-group-read-only-p))
10487 (error "The current newsgroup does not support article editing"))
10488 (unless (<= (length gnus-newsgroup-processable) 1)
10489 (error "No more than one article may be marked"))
10490 (save-window-excursion
10491 (let ((gnus-article-buffer " *reparent*")
10492 (current-article (gnus-summary-article-number))
10493 ;; First grab the marked article, otherwise one line up.
10494 (parent-article (if (not (null gnus-newsgroup-processable))
10495 (car gnus-newsgroup-processable)
10497 (if (eq (forward-line -1) 0)
10498 (gnus-summary-article-number)
10499 (error "Beginning of summary buffer"))))))
10500 (unless (not (eq current-article parent-article))
10501 (error "An article may not be self-referential"))
10502 (let ((message-id (mail-header-id
10503 (gnus-summary-article-header parent-article))))
10504 (unless (and message-id (not (equal message-id "")))
10505 (error "No message-id in desired parent"))
10506 (gnus-with-article current-article
10508 (goto-char (point-min))
10509 (message-narrow-to-head)
10510 (if (re-search-forward "^References: " nil t)
10512 (re-search-forward "^[^ \t]" nil t)
10515 (insert " " message-id))
10516 (insert "References: " message-id "\n"))))
10517 (set-buffer gnus-summary-buffer)
10518 (gnus-summary-unmark-all-processable)
10519 (gnus-summary-update-article current-article)
10520 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10521 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10522 (gnus-summary-rethread-current)
10523 (gnus-message 3 "Article %d is now the child of article %d"
10524 current-article parent-article)))))
10526 (defun gnus-summary-toggle-threads (&optional arg)
10527 "Toggle showing conversation threads.
10528 If ARG is positive number, turn showing conversation threads on."
10530 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10531 (setq gnus-show-threads
10532 (if (null arg) (not gnus-show-threads)
10533 (> (prefix-numeric-value arg) 0)))
10534 (gnus-summary-prepare)
10535 (gnus-summary-goto-subject current)
10536 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10537 (gnus-summary-position-point)))
10539 (defun gnus-summary-show-all-threads ()
10540 "Show all threads."
10543 (let ((buffer-read-only nil))
10544 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10545 (gnus-summary-position-point))
10547 (defun gnus-summary-show-thread ()
10548 "Show thread subtrees.
10549 Returns nil if no thread was there to be shown."
10551 (let ((buffer-read-only nil)
10553 (end (point-at-eol))
10554 ;; Leave point at bol
10555 (beg (progn (beginning-of-line) (point))))
10557 ;; Any hidden lines here?
10558 (search-forward "\r" end t)
10559 (subst-char-in-region beg end ?\^M ?\n t)
10561 (gnus-summary-position-point))))
10563 (defun gnus-summary-maybe-hide-threads ()
10564 "If requested, hide the threads that should be hidden."
10565 (when (and gnus-show-threads
10566 gnus-thread-hide-subtree)
10567 (gnus-summary-hide-all-threads
10568 (if (or (consp gnus-thread-hide-subtree)
10569 (functionp gnus-thread-hide-subtree))
10570 (gnus-make-predicate gnus-thread-hide-subtree)
10573 ;;; Hiding predicates.
10575 (defun gnus-article-unread-p (header)
10576 (memq (mail-header-number header) gnus-newsgroup-unreads))
10578 (defun gnus-article-unseen-p (header)
10579 (memq (mail-header-number header) gnus-newsgroup-unseen))
10581 (defun gnus-map-articles (predicate articles)
10582 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10583 (apply 'gnus-or (mapcar predicate
10584 (mapcar 'gnus-summary-article-header articles))))
10586 (defun gnus-summary-hide-all-threads (&optional predicate)
10587 "Hide all thread subtrees.
10588 If PREDICATE is supplied, threads that satisfy this predicate
10589 will not be hidden."
10592 (goto-char (point-min))
10595 (when (or (not predicate)
10597 predicate (gnus-summary-article-children)))
10598 (gnus-summary-hide-thread))
10599 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10600 (gnus-summary-position-point))
10602 (defun gnus-summary-hide-thread ()
10603 "Hide thread subtrees.
10604 If PREDICATE is supplied, threads that satisfy this predicate
10605 will not be hidden.
10606 Returns nil if no threads were there to be hidden."
10608 (let ((buffer-read-only nil)
10610 (article (gnus-summary-article-number)))
10612 ;; Go forward until either the buffer ends or the subthread
10614 (when (and (not (eobp))
10615 (or (zerop (gnus-summary-next-thread 1 t))
10616 (goto-char (point-max))))
10618 (if (and (> (point) start)
10619 (search-backward "\n" start t))
10621 (subst-char-in-region start (point) ?\n ?\^M)
10622 (gnus-summary-goto-subject article))
10626 (defun gnus-summary-go-to-next-thread (&optional previous)
10627 "Go to the same level (or less) next thread.
10628 If PREVIOUS is non-nil, go to previous thread instead.
10629 Return the article number moved to, or nil if moving was impossible."
10630 (let ((level (gnus-summary-thread-level))
10631 (way (if previous -1 1))
10634 (while (and (not (eobp))
10635 (< level (gnus-summary-thread-level)))
10636 (forward-line way))
10643 (gnus-summary-article-number)
10644 (goto-char beg)))))
10646 (defun gnus-summary-next-thread (n &optional silent)
10647 "Go to the same level next N'th thread.
10648 If N is negative, search backward instead.
10649 Returns the difference between N and the number of skips actually
10652 If SILENT, don't output messages."
10654 (let ((backward (< n 0))
10656 (while (and (> n 0)
10657 (gnus-summary-go-to-next-thread backward))
10660 (gnus-summary-position-point))
10661 (when (and (not silent) (/= 0 n))
10662 (gnus-message 7 "No more threads"))
10665 (defun gnus-summary-prev-thread (n)
10666 "Go to the same level previous N'th thread.
10667 Returns the difference between N and the number of skips actually
10670 (gnus-summary-next-thread (- n)))
10672 (defun gnus-summary-go-down-thread ()
10673 "Go down one level in the current thread."
10674 (let ((children (gnus-summary-article-children)))
10676 (gnus-summary-goto-subject (car children)))))
10678 (defun gnus-summary-go-up-thread ()
10679 "Go up one level in the current thread."
10680 (let ((parent (gnus-summary-article-parent)))
10682 (gnus-summary-goto-subject parent))))
10684 (defun gnus-summary-down-thread (n)
10685 "Go down thread N steps.
10686 If N is negative, go up instead.
10687 Returns the difference between N and how many steps down that were
10692 (while (and (> n 0)
10693 (if up (gnus-summary-go-up-thread)
10694 (gnus-summary-go-down-thread)))
10696 (gnus-summary-position-point)
10698 (gnus-message 7 "Can't go further"))
10701 (defun gnus-summary-up-thread (n)
10702 "Go up thread N steps.
10703 If N is negative, go down instead.
10704 Returns the difference between N and how many steps down that were
10707 (gnus-summary-down-thread (- n)))
10709 (defun gnus-summary-top-thread ()
10710 "Go to the top of the thread."
10712 (while (gnus-summary-go-up-thread))
10713 (gnus-summary-article-number))
10715 (defun gnus-summary-kill-thread (&optional unmark)
10716 "Mark articles under current thread as read.
10717 If the prefix argument is positive, remove any kinds of marks.
10718 If the prefix argument is negative, tick articles instead."
10721 (setq unmark (prefix-numeric-value unmark)))
10722 (let ((articles (gnus-summary-articles-in-thread)))
10724 ;; Expand the thread.
10725 (gnus-summary-show-thread)
10726 ;; Mark all the articles.
10728 (gnus-summary-goto-subject (car articles))
10729 (cond ((null unmark)
10730 (gnus-summary-mark-article-as-read gnus-killed-mark))
10732 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10734 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10735 (setq articles (cdr articles))))
10736 ;; Hide killed subtrees.
10738 gnus-thread-hide-killed
10739 (gnus-summary-hide-thread))
10740 ;; If marked as read, go to next unread subject.
10741 (when (null unmark)
10742 ;; Go to next unread subject.
10743 (gnus-summary-next-subject 1 t)))
10744 (gnus-set-mode-line 'summary))
10746 ;; Summary sorting commands
10748 (defun gnus-summary-sort-by-number (&optional reverse)
10749 "Sort the summary buffer by article number.
10750 Argument REVERSE means reverse order."
10752 (gnus-summary-sort 'number reverse))
10754 (defun gnus-summary-sort-by-random (&optional reverse)
10755 "Randomize the order in the summary buffer.
10756 Argument REVERSE means to randomize in reverse order."
10758 (gnus-summary-sort 'random reverse))
10760 (defun gnus-summary-sort-by-author (&optional reverse)
10761 "Sort the summary buffer by author name alphabetically.
10762 If `case-fold-search' is non-nil, case of letters is ignored.
10763 Argument REVERSE means reverse order."
10765 (gnus-summary-sort 'author reverse))
10767 (defun gnus-summary-sort-by-subject (&optional reverse)
10768 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10769 If `case-fold-search' is non-nil, case of letters is ignored.
10770 Argument REVERSE means reverse order."
10772 (gnus-summary-sort 'subject reverse))
10774 (defun gnus-summary-sort-by-date (&optional reverse)
10775 "Sort the summary buffer by date.
10776 Argument REVERSE means reverse order."
10778 (gnus-summary-sort 'date reverse))
10780 (defun gnus-summary-sort-by-score (&optional reverse)
10781 "Sort the summary buffer by score.
10782 Argument REVERSE means reverse order."
10784 (gnus-summary-sort 'score reverse))
10786 (defun gnus-summary-sort-by-lines (&optional reverse)
10787 "Sort the summary buffer by the number of lines.
10788 Argument REVERSE means reverse order."
10790 (gnus-summary-sort 'lines reverse))
10792 (defun gnus-summary-sort-by-chars (&optional reverse)
10793 "Sort the summary buffer by article length.
10794 Argument REVERSE means reverse order."
10796 (gnus-summary-sort 'chars reverse))
10798 (defun gnus-summary-sort-by-original (&optional reverse)
10799 "Sort the summary buffer using the default sorting method.
10800 Argument REVERSE means reverse order."
10802 (let* ((buffer-read-only)
10803 (gnus-summary-prepare-hook nil))
10804 ;; We do the sorting by regenerating the threads.
10805 (gnus-summary-prepare)
10806 ;; Hide subthreads if needed.
10807 (gnus-summary-maybe-hide-threads)))
10809 (defun gnus-summary-sort (predicate reverse)
10810 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10811 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10812 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10813 (gnus-thread-sort-functions
10818 (gnus-sort-gathered-threads-function
10819 gnus-thread-sort-functions)
10820 (gnus-article-sort-functions
10824 (,article t2 t1))))
10826 (gnus-summary-prepare-hook nil))
10827 ;; We do the sorting by regenerating the threads.
10828 (gnus-summary-prepare)
10829 ;; Hide subthreads if needed.
10830 (gnus-summary-maybe-hide-threads)))
10832 ;; Summary saving commands.
10834 (defun gnus-summary-save-article (&optional n not-saved)
10835 "Save the current article using the default saver function.
10836 If N is a positive number, save the N next articles.
10837 If N is a negative number, save the N previous articles.
10838 If N is nil and any articles have been marked with the process mark,
10839 save those articles instead.
10840 The variable `gnus-default-article-saver' specifies the saver function."
10842 (let* ((articles (gnus-summary-work-articles n))
10843 (save-buffer (save-excursion
10844 (nnheader-set-temp-buffer " *Gnus Save*")))
10845 (num (length articles))
10847 (dolist (article articles)
10848 (setq header (gnus-summary-article-header article))
10849 (if (not (vectorp header))
10850 ;; This is a pseudo-article.
10851 (if (assq 'name header)
10852 (gnus-copy-file (cdr (assq 'name header)))
10853 (gnus-message 1 "Article %d is unsaveable" article))
10854 ;; This is a real article.
10855 (save-window-excursion
10856 (let ((gnus-display-mime-function nil)
10857 (gnus-article-prepare-hook nil))
10858 (gnus-summary-select-article t nil nil article)))
10860 (set-buffer save-buffer)
10862 (insert-buffer-substring gnus-original-article-buffer))
10863 (setq file (gnus-article-save save-buffer file num))
10864 (gnus-summary-remove-process-mark article)
10866 (gnus-summary-set-saved-mark article))))
10867 (gnus-kill-buffer save-buffer)
10868 (gnus-summary-position-point)
10869 (gnus-set-mode-line 'summary)
10872 (defun gnus-summary-pipe-output (&optional arg headers)
10873 "Pipe the current article to a subprocess.
10874 If N is a positive number, pipe the N next articles.
10875 If N is a negative number, pipe the N previous articles.
10876 If N is nil and any articles have been marked with the process mark,
10877 pipe those articles instead.
10878 If HEADERS (the symbolic prefix), include the headers, too."
10879 (interactive (gnus-interactive "P\ny"))
10880 (require 'gnus-art)
10881 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10882 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10883 (gnus-summary-save-article arg t))
10884 (let ((buffer (get-buffer "*Shell Command Output*")))
10886 (not (zerop (buffer-size buffer))))
10887 (gnus-configure-windows 'pipe))))
10889 (defun gnus-summary-save-article-mail (&optional arg)
10890 "Append the current article to an mail file.
10891 If N is a positive number, save the N next articles.
10892 If N is a negative number, save the N previous articles.
10893 If N is nil and any articles have been marked with the process mark,
10894 save those articles instead."
10896 (require 'gnus-art)
10897 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10898 (gnus-summary-save-article arg)))
10900 (defun gnus-summary-save-article-rmail (&optional arg)
10901 "Append the current article to an rmail file.
10902 If N is a positive number, save the N next articles.
10903 If N is a negative number, save the N previous articles.
10904 If N is nil and any articles have been marked with the process mark,
10905 save those articles instead."
10907 (require 'gnus-art)
10908 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10909 (gnus-summary-save-article arg)))
10911 (defun gnus-summary-save-article-file (&optional arg)
10912 "Append the current article to a file.
10913 If N is a positive number, save the N next articles.
10914 If N is a negative number, save the N previous articles.
10915 If N is nil and any articles have been marked with the process mark,
10916 save those articles instead."
10918 (require 'gnus-art)
10919 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10920 (gnus-summary-save-article arg)))
10922 (defun gnus-summary-write-article-file (&optional arg)
10923 "Write the current article to a file, deleting the previous file.
10924 If N is a positive number, save the N next articles.
10925 If N is a negative number, save the N previous articles.
10926 If N is nil and any articles have been marked with the process mark,
10927 save those articles instead."
10929 (require 'gnus-art)
10930 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10931 (gnus-summary-save-article arg)))
10933 (defun gnus-summary-save-article-body-file (&optional arg)
10934 "Append the current article body to a file.
10935 If N is a positive number, save the N next articles.
10936 If N is a negative number, save the N previous articles.
10937 If N is nil and any articles have been marked with the process mark,
10938 save those articles instead."
10940 (require 'gnus-art)
10941 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10942 (gnus-summary-save-article arg)))
10944 (defun gnus-summary-muttprint (&optional arg)
10945 "Print the current article using Muttprint.
10946 If N is a positive number, save the N next articles.
10947 If N is a negative number, save the N previous articles.
10948 If N is nil and any articles have been marked with the process mark,
10949 save those articles instead."
10951 (require 'gnus-art)
10952 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10953 (gnus-summary-save-article arg t)))
10955 (defun gnus-summary-pipe-message (program)
10956 "Pipe the current article through PROGRAM."
10957 (interactive "sProgram: ")
10958 (gnus-summary-select-article)
10959 (let ((mail-header-separator ""))
10960 (gnus-eval-in-buffer-window gnus-article-buffer
10963 (let ((start (window-start))
10965 (message-pipe-buffer-body program)
10966 (set-window-start (get-buffer-window (current-buffer)) start))))))
10968 (defun gnus-get-split-value (methods)
10969 "Return a value based on the split METHODS."
10970 (let (split-name method result match)
10973 (set-buffer gnus-original-article-buffer)
10975 (nnheader-narrow-to-headers)
10976 (while (and methods (not split-name))
10977 (goto-char (point-min))
10978 (setq method (pop methods))
10979 (setq match (car method))
10982 ;; Regular expression.
10984 (re-search-forward match nil t)))
10989 (setq result (funcall match gnus-newsgroup-name))))
10994 (setq result (eval match)))))
10995 (setq split-name (cdr method))
10996 (cond ((stringp result)
10997 (push (expand-file-name
10998 result gnus-article-save-directory)
11001 (setq split-name (append result split-name)))))))))
11002 (nreverse split-name)))
11004 (defun gnus-valid-move-group-p (group)
11005 (and (boundp group)
11006 (symbol-name group)
11007 (symbol-value group)
11008 (gnus-get-function (gnus-find-method-for-group
11009 (symbol-name group)) 'request-accept-article t)))
11011 (defun gnus-read-move-group-name (prompt default articles prefix)
11012 "Read a group name."
11013 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11014 (minibuffer-confirm-incomplete nil) ; XEmacs
11016 (format "%s %s to:"
11018 (if (> (length articles) 1)
11019 (format "these %d articles" (length articles))
11024 (gnus-completing-read-with-default
11027 'gnus-valid-move-group-p
11029 'gnus-group-history))
11030 ((= 1 (length split-name))
11031 (gnus-completing-read-with-default
11032 (car split-name) prom
11034 'gnus-valid-move-group-p
11036 'gnus-group-history))
11038 (gnus-completing-read-with-default
11040 (mapcar (lambda (el) (list el))
11041 (nreverse split-name))
11043 'gnus-group-history))))
11044 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11046 (if (or (string= to-newsgroup "")
11047 (string= to-newsgroup prefix))
11048 (setq to-newsgroup default))
11049 (unless to-newsgroup
11050 (error "No group name entered"))
11051 (or (gnus-active to-newsgroup)
11052 (gnus-activate-group to-newsgroup nil nil to-method)
11053 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11055 (or (and (gnus-request-create-group to-newsgroup to-method)
11056 (gnus-activate-group
11057 to-newsgroup nil nil to-method)
11058 (gnus-subscribe-group to-newsgroup))
11059 (error "Couldn't create group %s" to-newsgroup)))
11060 (error "No such group: %s" to-newsgroup)))
11063 (defun gnus-summary-save-parts (type dir n &optional reverse)
11064 "Save parts matching TYPE to DIR.
11065 If REVERSE, save parts that do not match TYPE."
11067 (list (read-string "Save parts of type: "
11068 (or (car gnus-summary-save-parts-type-history)
11069 gnus-summary-save-parts-default-mime)
11070 'gnus-summary-save-parts-type-history)
11071 (setq gnus-summary-save-parts-last-directory
11072 (read-file-name "Save to directory: "
11073 gnus-summary-save-parts-last-directory
11075 current-prefix-arg))
11076 (gnus-summary-iterate n
11077 (let ((gnus-display-mime-function nil)
11078 (gnus-inhibit-treatment t))
11079 (gnus-summary-select-article))
11081 (set-buffer gnus-article-buffer)
11082 (let ((handles (or gnus-article-mime-handles
11083 (mm-dissect-buffer nil gnus-article-loose-mime)
11084 (and gnus-article-emulate-mime
11085 (mm-uu-dissect)))))
11087 (gnus-summary-save-parts-1 type dir handles reverse)
11088 (unless gnus-article-mime-handles ;; Don't destroy this case.
11089 (mm-destroy-parts handles)))))))
11091 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11092 (if (stringp (car handle))
11093 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11096 (not (string-match type (mm-handle-media-type handle)))
11097 (string-match type (mm-handle-media-type handle)))
11098 (let ((file (expand-file-name
11100 mm-file-name-rewrite-functions
11101 (file-name-nondirectory
11103 (mail-content-type-get
11104 (mm-handle-disposition handle) 'filename)
11105 (mail-content-type-get
11106 (mm-handle-type handle) 'name)
11107 (concat gnus-newsgroup-name
11108 "." (number-to-string
11109 (cdr gnus-article-current))))))
11111 (unless (file-exists-p file)
11112 (mm-save-part-to-file handle file))))))
11114 ;; Summary extract commands
11116 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11117 (let ((buffer-read-only nil)
11118 (article (gnus-summary-article-number))
11120 (unless (gnus-summary-goto-subject article)
11121 (error "No such article: %d" article))
11122 (gnus-summary-position-point)
11123 ;; If all commands are to be bunched up on one line, we collect
11125 (unless gnus-view-pseudos-separately
11126 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11129 (setq action (cdr (assq 'action (car ps))))
11130 (setq files (list (cdr (assq 'name (car ps)))))
11131 (while (and ps (cdr ps)
11132 (string= (or action "1")
11133 (or (cdr (assq 'action (cadr ps))) "2")))
11134 (push (cdr (assq 'name (cadr ps))) files)
11135 (setcdr ps (cddr ps)))
11137 (when (not (string-match "%s" action))
11140 (when (assq 'execute (car ps))
11141 (setcdr (assq 'execute (car ps))
11142 (funcall (if (string-match "%s" action)
11149 (shell-quote-argument f)))
11151 (setq ps (cdr ps)))))
11152 (if (and gnus-view-pseudos (not not-view))
11154 (when (assq 'execute (car pslist))
11155 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11156 (eq gnus-view-pseudos 'not-confirm)))
11157 (setq pslist (cdr pslist)))
11160 (setq after-article (or (cdr (assq 'article (car pslist)))
11161 (gnus-summary-article-number)))
11162 (gnus-summary-goto-subject after-article)
11165 (insert " " (file-name-nondirectory
11166 (cdr (assq 'name (car pslist))))
11167 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11169 (forward-line -1) ; back to `b'
11170 (gnus-add-text-properties
11171 b (1- e) (list 'gnus-number gnus-reffed-article-number
11172 gnus-mouse-face-prop gnus-mouse-face))
11174 after-article gnus-reffed-article-number
11175 gnus-unread-mark b (car pslist) 0 (- e b))
11176 (setq gnus-newsgroup-unreads
11177 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11178 gnus-reffed-article-number))
11179 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11180 (setq pslist (cdr pslist)))))))
11182 (defun gnus-pseudos< (p1 p2)
11183 (let ((c1 (cdr (assq 'action p1)))
11184 (c2 (cdr (assq 'action p2))))
11185 (and c1 c2 (string< c1 c2))))
11187 (defun gnus-request-pseudo-article (props)
11188 (cond ((assq 'execute props)
11189 (gnus-execute-command (cdr (assq 'execute props)))))
11190 (let ((gnus-current-article (gnus-summary-article-number)))
11191 (gnus-run-hooks 'gnus-mark-article-hook)))
11193 (defun gnus-execute-command (command &optional automatic)
11195 (gnus-article-setup-buffer)
11196 (set-buffer gnus-article-buffer)
11197 (setq buffer-read-only nil)
11198 (let ((command (if automatic command
11199 (read-string "Command: " (cons command 0)))))
11201 (insert "$ " command "\n\n")
11202 (if gnus-view-pseudo-asynchronously
11203 (start-process "gnus-execute" (current-buffer) shell-file-name
11204 shell-command-switch command)
11205 (call-process shell-file-name nil t nil
11206 shell-command-switch command)))))
11208 ;; Summary kill commands.
11210 (defun gnus-summary-edit-global-kill (article)
11211 "Edit the \"global\" kill file."
11212 (interactive (list (gnus-summary-article-number)))
11213 (gnus-group-edit-global-kill article))
11215 (defun gnus-summary-edit-local-kill ()
11216 "Edit a local kill file applied to the current newsgroup."
11218 (setq gnus-current-headers (gnus-summary-article-header))
11219 (gnus-group-edit-local-kill
11220 (gnus-summary-article-number) gnus-newsgroup-name))
11222 ;;; Header reading.
11224 (defun gnus-read-header (id &optional header)
11225 "Read the headers of article ID and enter them into the Gnus system."
11226 (let ((group gnus-newsgroup-name)
11227 (gnus-override-method
11229 gnus-override-method
11230 (and (gnus-news-group-p gnus-newsgroup-name)
11231 (car (gnus-refer-article-methods)))))
11233 ;; First we check to see whether the header in question is already
11236 ;; This is a Message-ID.
11237 (setq header (or header (gnus-id-to-header id)))
11238 ;; This is an article number.
11239 (setq header (or header (gnus-summary-article-header id))))
11241 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11242 ;; We have found the header.
11244 ;; If this is a sparse article, we have to nix out its
11245 ;; previous entry in the thread hashtb.
11247 (gnus-summary-article-sparse-p (mail-header-number header)))
11248 (let* ((parent (gnus-parent-id (mail-header-references header)))
11249 (thread (and parent (gnus-id-to-thread parent))))
11251 (delq (assq header thread) thread))))
11252 ;; We have to really fetch the header to this article.
11254 (set-buffer nntp-server-buffer)
11255 (when (setq where (gnus-request-head id group))
11256 (nnheader-fold-continuation-lines)
11257 (goto-char (point-max))
11259 (goto-char (point-min))
11263 ((cdr where) (cdr where))
11264 (header (mail-header-number header))
11265 (t gnus-reffed-article-number))
11267 (insert " Article retrieved.\n"))
11268 (if (or (not where)
11269 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11270 () ; Malformed head.
11271 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11272 (when (and (stringp id)
11273 (not (string= (gnus-group-real-name group)
11275 ;; If we fetched by Message-ID and the article came
11276 ;; from a different group, we fudge some bogus article
11277 ;; numbers for this article.
11278 (mail-header-set-number header gnus-reffed-article-number))
11280 (set-buffer gnus-summary-buffer)
11281 (decf gnus-reffed-article-number)
11282 (gnus-remove-header (mail-header-number header))
11283 (push header gnus-newsgroup-headers)
11284 (setq gnus-current-headers header)
11285 (push (mail-header-number header) gnus-newsgroup-limit)))
11288 (defun gnus-remove-header (number)
11289 "Remove header NUMBER from `gnus-newsgroup-headers'."
11290 (if (and gnus-newsgroup-headers
11291 (= number (mail-header-number (car gnus-newsgroup-headers))))
11292 (pop gnus-newsgroup-headers)
11293 (let ((headers gnus-newsgroup-headers))
11294 (while (and (cdr headers)
11295 (not (= number (mail-header-number (cadr headers)))))
11297 (when (cdr headers)
11298 (setcdr headers (cddr headers))))))
11301 ;;; summary highlights
11304 (defun gnus-highlight-selected-summary ()
11305 "Highlight selected article in summary buffer."
11306 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11307 (when gnus-summary-selected-face
11309 (let* ((beg (point-at-bol))
11310 (end (point-at-eol))
11311 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11312 (from (if (get-text-property beg gnus-mouse-face-prop)
11314 (or (next-single-property-change
11315 beg gnus-mouse-face-prop nil end)
11320 (or (next-single-property-change
11321 from gnus-mouse-face-prop nil end)
11323 ;; If no mouse-face prop on line we will have to = from = end,
11324 ;; so we highlight the entire line instead.
11325 (when (= (+ to 2) from)
11328 (if gnus-newsgroup-selected-overlay
11329 ;; Move old overlay.
11331 gnus-newsgroup-selected-overlay from to (current-buffer))
11332 ;; Create new overlay.
11334 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11335 'face gnus-summary-selected-face))))))
11337 (defvar gnus-summary-highlight-line-cached nil)
11338 (defvar gnus-summary-highlight-line-trigger nil)
11340 (defun gnus-summary-highlight-line-0 ()
11341 (if (and (eq gnus-summary-highlight-line-trigger
11342 gnus-summary-highlight)
11343 gnus-summary-highlight-line-cached)
11344 gnus-summary-highlight-line-cached
11345 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11346 gnus-summary-highlight-line-cached
11347 (let* ((cond (list 'cond))
11349 (list gnus-summary-highlight))
11351 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11355 (gnus-byte-compile (list 'lambda nil cond))))))
11357 (defun gnus-summary-highlight-line ()
11358 "Highlight current line according to `gnus-summary-highlight'."
11359 (let* ((beg (point-at-bol))
11360 (article (or (gnus-summary-article-number) gnus-current-article))
11361 (score (or (cdr (assq article
11362 gnus-newsgroup-scored))
11363 gnus-summary-default-score 0))
11364 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11365 (inhibit-read-only t)
11366 (default gnus-summary-default-score)
11367 (default-high gnus-summary-default-high-score)
11368 (default-low gnus-summary-default-low-score)
11369 (uncached (and gnus-summary-use-undownloaded-faces
11370 (memq article gnus-newsgroup-undownloaded))))
11371 (let ((face (funcall (gnus-summary-highlight-line-0))))
11372 (unless (eq face (get-text-property beg 'face))
11373 (gnus-put-text-property-excluding-characters-with-faces
11374 beg (point-at-eol) 'face
11375 (setq face (if (boundp face) (symbol-value face) face)))
11376 (when gnus-summary-highlight-line-function
11377 (funcall gnus-summary-highlight-line-function article face))))))
11379 (defun gnus-update-read-articles (group unread &optional compute)
11380 "Update the list of read articles in GROUP.
11381 UNREAD is a sorted list."
11382 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
11383 (entry (gnus-gethash group gnus-newsrc-hashtb))
11384 (info (nth 2 entry))
11387 (if (or (not info) (not active))
11388 ;; There is no info on this group if it was, in fact,
11389 ;; killed. Gnus stores no information on killed groups, so
11390 ;; there's nothing to be done.
11391 ;; One could store the information somewhere temporarily,
11392 ;; perhaps... Hmmm...
11394 ;; Remove any negative articles numbers.
11395 (while (and unread (< (car unread) 0))
11396 (setq unread (cdr unread)))
11397 ;; Remove any expired article numbers
11398 (while (and unread (< (car unread) (car active)))
11399 (setq unread (cdr unread)))
11400 ;; Compute the ranges of read articles by looking at the list of
11401 ;; unread articles.
11403 (when (/= (car unread) prev)
11404 (push (if (= prev (1- (car unread))) prev
11405 (cons prev (1- (car unread))))
11407 (setq prev (1+ (car unread)))
11408 (setq unread (cdr unread)))
11409 (when (<= prev (cdr active))
11410 (push (cons prev (cdr active)) read))
11411 (setq read (if (> (length read) 1) (nreverse read) read))
11416 ;; Propagate the read marks to the backend.
11417 (when (gnus-check-backend-function 'request-set-mark group)
11418 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11419 (add (gnus-remove-from-range read (gnus-info-read info))))
11421 (unless (gnus-check-group group)
11422 (error "Can't open server for %s" group))
11423 (gnus-request-set-mark
11424 group (delq nil (list (if add (list add 'add '(read)))
11425 (if del (list del 'del '(read))))))
11427 `(gnus-request-set-mark
11430 (if del (list del 'add '(read)))
11431 (if add (list add 'del '(read))))))))))
11432 (set-buffer gnus-group-buffer)
11433 (gnus-undo-register
11435 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11436 (gnus-info-set-read ',info ',(gnus-info-read info))
11437 (gnus-get-unread-articles-in-group ',info
11438 (gnus-active ,group))
11439 (gnus-group-update-group ,group t)
11441 ;; Enter this list into the group info.
11442 (gnus-info-set-read info read)
11443 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11444 (gnus-get-unread-articles-in-group info (gnus-active group))
11447 (defun gnus-offer-save-summaries ()
11448 "Offer to save all active summary buffers."
11450 ;; Go through all buffers and find all summaries.
11451 (dolist (buffer (buffer-list))
11452 (when (and (setq buffer (buffer-name buffer))
11453 (string-match "Summary" buffer)
11455 (set-buffer buffer)
11456 ;; We check that this is, indeed, a summary buffer.
11457 (and (eq major-mode 'gnus-summary-mode)
11458 ;; Also make sure this isn't bogus.
11459 gnus-newsgroup-prepared
11460 ;; Also make sure that this isn't a
11461 ;; dead summary buffer.
11462 (not gnus-dead-summary-mode))))
11463 (push buffer buffers)))
11464 ;; Go through all these summary buffers and offer to save them.
11468 "Update summary buffer %s? "
11470 (switch-to-buffer buf)
11471 (gnus-summary-exit))
11475 ;;; @ for mime-partial
11478 (defun gnus-request-partial-message ()
11480 (let ((number (gnus-summary-article-number))
11481 (group gnus-newsgroup-name)
11482 (mother gnus-article-buffer))
11483 (set-buffer (get-buffer-create " *Partial Article*"))
11485 (setq mime-preview-buffer mother)
11486 (gnus-request-article-this-buffer number group)
11487 (mime-parse-buffer)
11490 (autoload 'mime-combine-message/partial-pieces-automatically
11492 "Internal method to combine message/partial messages automatically.")
11494 (mime-add-condition
11495 'action '((type . message)(subtype . partial)
11496 (major-mode . gnus-original-article-mode)
11497 (method . mime-combine-message/partial-pieces-automatically)
11498 (summary-buffer-exp . gnus-summary-buffer)
11499 (request-partial-message-method . gnus-request-partial-message)
11503 ;;; @ for message/rfc822
11506 (defun gnus-mime-extract-message/rfc822 (entity situation)
11507 "Burst a forwarded article."
11509 (set-buffer gnus-summary-buffer)
11510 (let* ((group (completing-read "Group: " gnus-active-hashtb nil t
11511 gnus-newsgroup-name 'gnus-group-history))
11512 (gnus-group-marked (list group))
11515 (mime-insert-entity-content entity)
11516 (setq article (gnus-request-accept-article group)))
11517 (when (and (consp article)
11518 (numberp (setq article (cdr article))))
11519 (setq info (gnus-get-info group))
11520 (gnus-info-set-read info
11521 (gnus-remove-from-range (gnus-info-read info)
11523 (when (string-equal group gnus-newsgroup-name)
11525 (let (gnus-show-threads)
11526 (gnus-summary-goto-subject article t))
11527 (gnus-summary-clear-mark-forward 1))
11528 (set-buffer gnus-group-buffer)
11529 (gnus-group-get-new-news-this-group nil t)))))
11531 (mime-add-condition
11532 'action '((type . message)(subtype . rfc822)
11533 (major-mode . gnus-original-article-mode)
11534 (method . gnus-mime-extract-message/rfc822)
11538 (mime-add-condition
11539 'action '((type . message)(subtype . news)
11540 (major-mode . gnus-original-article-mode)
11541 (method . gnus-mime-extract-message/rfc822)
11545 (defun gnus-mime-extract-multipart (entity situation)
11546 (let ((children (mime-entity-children entity))
11547 mime-acting-situation-to-override
11550 (mime-play-entity (car children)
11551 (cons (assq 'mode situation)
11552 mime-acting-situation-to-override))
11553 (setq children (cdr children)))
11554 (if (setq f (cdr (assq 'after-method
11555 mime-acting-situation-to-override)))
11559 (mime-add-condition
11560 'action '((type . multipart)
11561 (method . gnus-mime-extract-multipart)
11570 (defun gnus-summary-inherit-default-charset ()
11571 "Import `default-mime-charset' from summary buffer.
11572 Also take care of `default-mime-charset-unlimited' if the LIMIT version
11574 (if (buffer-live-p gnus-summary-buffer)
11575 (let (d-m-c d-m-c-u)
11576 (with-current-buffer gnus-summary-buffer
11577 (setq d-m-c (if (local-variable-p 'default-mime-charset
11578 gnus-summary-buffer)
11579 default-mime-charset
11582 d-m-c-u (if (local-variable-p 'default-mime-charset-unlimited
11583 gnus-summary-buffer)
11584 (symbol-value 'default-mime-charset-unlimited)
11587 (kill-local-variable 'default-mime-charset)
11588 (set (make-local-variable 'default-mime-charset) d-m-c))
11590 (kill-local-variable 'default-mime-charset-unlimited)
11591 (set (make-local-variable 'default-mime-charset-unlimited)
11594 (defun gnus-summary-setup-default-charset ()
11595 "Setup newsgroup default charset."
11596 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11598 (setq gnus-newsgroup-charset nil)
11599 (set (make-local-variable 'default-mime-charset) nil)
11600 (when (boundp 'default-mime-charset-unlimited);; LIMIT
11601 (set (make-local-variable 'default-mime-charset-unlimited) nil)))
11602 (let ((ignored-charsets
11603 (or gnus-newsgroup-ephemeral-ignored-charsets
11605 (and gnus-newsgroup-name
11606 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11607 gnus-newsgroup-ignored-charsets)))
11609 (setq gnus-newsgroup-charset
11610 (or gnus-newsgroup-ephemeral-charset
11611 (when (and gnus-newsgroup-name
11612 (setq charset (gnus-parameter-charset
11613 gnus-newsgroup-name)))
11614 (make-local-variable 'default-mime-charset)
11615 (setq default-mime-charset charset))
11616 gnus-default-charset))
11617 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11618 ignored-charsets))))
11624 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11625 "Display the current article buffer fully MIME-buttonized.
11626 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11627 treated as multipart/mixed."
11629 (require 'gnus-art)
11630 (let ((gnus-unbuttonized-mime-types nil)
11631 (gnus-mime-display-multipart-as-mixed show-all-parts))
11632 (gnus-summary-show-article)))
11634 (defun gnus-summary-repair-multipart (article)
11635 "Add a Content-Type header to a multipart article without one."
11636 (interactive (list (gnus-summary-article-number)))
11637 (gnus-with-article article
11638 (message-narrow-to-head)
11639 (message-remove-header "Mime-Version")
11640 (goto-char (point-max))
11641 (insert "Mime-Version: 1.0\n")
11643 (when (search-forward "\n--" nil t)
11644 (let ((separator (buffer-substring (point) (point-at-eol))))
11645 (message-narrow-to-head)
11646 (message-remove-header "Content-Type")
11647 (goto-char (point-max))
11648 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11651 (let (gnus-mark-article-hook)
11652 (gnus-summary-select-article t t nil article)))
11654 (defun gnus-summary-toggle-display-buttonized ()
11655 "Toggle the buttonizing of the article buffer."
11657 (require 'gnus-art)
11658 (if (setq gnus-inhibit-mime-unbuttonizing
11659 (not gnus-inhibit-mime-unbuttonizing))
11660 (let ((gnus-unbuttonized-mime-types nil))
11661 (gnus-summary-show-article))
11662 (gnus-summary-show-article)))
11665 ;;; Intelli-mouse commmands
11668 (defun gnus-wheel-summary-scroll (event)
11670 (let ((amount (if (memq 'shift (event-modifiers event))
11671 (car gnus-wheel-scroll-amount)
11672 (cdr gnus-wheel-scroll-amount)))
11673 (direction (- (* (static-if (featurep 'xemacs)
11674 (event-button event)
11675 (cond ((eq 'mouse-4 (event-basic-type event))
11677 ((eq 'mouse-5 (event-basic-type event))
11681 (gnus-summary-scroll-up (* amount direction))
11682 (when (gnus-eval-in-buffer-window gnus-article-buffer
11685 (and (if (< 0 direction)
11686 (gnus-article-next-page 0)
11687 (gnus-article-prev-page 0)
11689 (if (setq edge (get-text-property
11690 (point-min) 'gnus-wheel-edge))
11691 (setq edge (* edge direction))
11694 (let ((buffer-read-only nil)
11695 (inhibit-read-only t))
11696 (put-text-property (point-min) (point-max)
11697 'gnus-wheel-edge direction)
11699 (or (> edge gnus-wheel-edge-resistance)
11700 (let ((buffer-read-only nil)
11701 (inhibit-read-only t))
11702 (put-text-property (point-min) (point-max)
11704 (* (1+ edge) direction))
11706 (eq last-command 'gnus-wheel-summary-scroll))))
11707 (gnus-summary-next-article nil nil (minusp direction)))))
11709 (defun gnus-wheel-install ()
11710 "Enable mouse wheel support on summary window."
11711 (when gnus-use-wheel
11713 '([(mouse-4)] [(shift mouse-4)] [(mouse-5)] [(shift mouse-5)])))
11715 (define-key gnus-summary-mode-map key
11716 'gnus-wheel-summary-scroll)))))
11718 (add-hook 'gnus-summary-mode-hook 'gnus-wheel-install)
11721 ;;; Traditional PGP commmands
11724 (defun gnus-summary-decrypt-article (&optional force)
11725 "Decrypt the current article in traditional PGP way.
11726 This will have permanent effect only in mail groups.
11727 If FORCE is non-nil, allow editing of articles even in read-only
11730 (gnus-summary-select-article t)
11731 (gnus-eval-in-buffer-window gnus-article-buffer
11735 (goto-char (point-min))
11736 (unless (re-search-forward (car pgg-armor-header-lines) nil t)
11737 (error "Not a traditional PGP message!"))
11738 (let ((armor-start (match-beginning 0)))
11739 (if (and (pgg-decrypt-region armor-start (point-max))
11740 (or force (not (gnus-group-read-only-p))))
11741 (let ((inhibit-read-only t)
11743 (delete-region armor-start
11745 (re-search-forward "^-+END PGP" nil t)
11746 (beginning-of-line 2)
11748 (insert-buffer-substring pgg-output-buffer))))))))
11750 (defun gnus-summary-verify-article ()
11751 "Verify the current article in traditional PGP way."
11754 (set-buffer gnus-original-article-buffer)
11755 (goto-char (point-min))
11756 (unless (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE" nil t)
11757 (error "Not a traditional PGP message!"))
11758 (re-search-forward "^-+END PGP" nil t)
11759 (beginning-of-line 2)
11760 (call-interactively (function pgg-verify-region))))
11763 ;;; Generic summary marking commands
11766 (defvar gnus-summary-marking-alist
11767 '((read gnus-del-mark "d")
11768 (unread gnus-unread-mark "u")
11769 (ticked gnus-ticked-mark "!")
11770 (dormant gnus-dormant-mark "?")
11771 (expirable gnus-expirable-mark "e"))
11772 "An alist of names/marks/keystrokes.")
11774 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11775 (defvar gnus-summary-mark-map)
11777 (defun gnus-summary-make-all-marking-commands ()
11778 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11779 (dolist (elem gnus-summary-marking-alist)
11780 (apply 'gnus-summary-make-marking-command elem)))
11782 (defun gnus-summary-make-marking-command (name mark keystroke)
11783 (let ((map (make-sparse-keymap)))
11784 (define-key gnus-summary-generic-mark-map keystroke map)
11785 (dolist (lway `((next "next" next nil "n")
11786 (next-unread "next unread" next t "N")
11787 (prev "previous" prev nil "p")
11788 (prev-unread "previous unread" prev t "P")
11789 (nomove "" nil nil ,keystroke)))
11790 (let ((func (gnus-summary-make-marking-command-1
11791 mark (car lway) lway name)))
11792 (setq func (eval func))
11793 (define-key map (nth 4 lway) func)))))
11795 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11797 (format "gnus-summary-put-mark-as-%s%s"
11798 name (if (eq way 'nomove)
11800 (concat "-" (symbol-name way)))))
11803 "Mark the current article as %s%s.
11804 If N, the prefix, then repeat N times.
11805 If N is negative, move in reverse order.
11806 The difference between N and the actual number of articles marked is
11808 name (car (cdr lway)))
11810 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11812 (defun gnus-summary-generic-mark (n mark move unread)
11813 "Mark N articles with MARK."
11814 (unless (eq major-mode 'gnus-summary-mode)
11815 (error "This command can only be used in the summary buffer"))
11816 (gnus-summary-show-thread)
11819 ((eq move 'next) 1)
11820 ((eq move 'prev) -1)
11822 (if (zerop nummove)
11826 nummove (* -1 nummove))))
11827 (while (and (> n 0)
11828 (gnus-summary-mark-article nil mark)
11829 (zerop (gnus-summary-next-subject nummove unread t)))
11832 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11833 (gnus-summary-recenter)
11834 (gnus-summary-position-point)
11835 (gnus-set-mode-line 'summary)
11838 (defun gnus-summary-insert-articles (articles)
11839 (when (setq articles
11840 (gnus-sorted-difference articles
11841 (mapcar (lambda (h)
11842 (mail-header-number h))
11843 gnus-newsgroup-headers)))
11844 (setq gnus-newsgroup-headers
11846 gnus-newsgroup-headers
11847 (gnus-fetch-headers articles)
11848 'gnus-article-sort-by-number))
11849 ;; Suppress duplicates?
11850 (when gnus-suppress-duplicates
11851 (gnus-dup-suppress-articles))
11853 ;; We might want to build some more threads first.
11854 (when (and gnus-fetch-old-headers
11855 (eq gnus-headers-retrieved-by 'nov))
11856 (if (eq gnus-fetch-old-headers 'invisible)
11857 (gnus-build-all-threads)
11858 (gnus-build-old-threads)))
11859 ;; Let the Gnus agent mark articles as read.
11861 (gnus-agent-get-undownloaded-list))
11862 ;; Remove list identifiers from subject
11863 (when gnus-list-identifiers
11864 (gnus-summary-remove-list-identifiers))
11865 ;; First and last article in this newsgroup.
11866 (when gnus-newsgroup-headers
11867 (setq gnus-newsgroup-begin
11868 (mail-header-number (car gnus-newsgroup-headers))
11870 (mail-header-number
11871 (gnus-last-element gnus-newsgroup-headers))))
11872 (when gnus-use-scoring
11873 (gnus-possibly-score-headers))))
11875 (defun gnus-summary-insert-old-articles (&optional all)
11876 "Insert all old articles in this group.
11877 If ALL is non-nil, already read articles become readable.
11878 If ALL is a number, fetch this number of articles."
11881 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11884 ;; Some nntp servers lie about their active range. When
11885 ;; this happens, the active range can be in the millions.
11886 ;; Use a compressed range to avoid creating a huge list.
11887 (gnus-range-difference (list gnus-newsgroup-active) old))
11888 (setq len (gnus-range-length older))
11893 (let ((older-range (nreverse older)))
11897 (let* ((r (pop older-range))
11898 (min (if (numberp r) r (car r)))
11899 (max (if (numberp r) r (cdr r))))
11900 (while (and (<= min max)
11905 (setq older (gnus-uncompress-range older))))
11907 (setq older (gnus-uncompress-range older)))
11909 (when (and (numberp gnus-large-newsgroup)
11910 (> len gnus-large-newsgroup))
11911 (let* ((cursor-in-echo-area nil)
11912 (initial (gnus-parameter-large-newsgroup-initial
11913 gnus-newsgroup-name))
11917 "How many articles from %s (%s %d): "
11919 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11920 (if initial "max" "default")
11923 (cons (number-to-string initial)
11925 (unless (string-match "^[ \t]*$" input)
11926 (setq all (string-to-number input))
11928 (let ((older-range (nreverse older)))
11932 (let* ((r (pop older-range))
11933 (min (if (numberp r) r (car r)))
11934 (max (if (numberp r) r (cdr r))))
11935 (while (and (<= min max)
11939 max (1- max))))))))))
11940 (setq older (gnus-uncompress-range older))))
11942 (message "No old news.")
11943 (gnus-summary-insert-articles older)
11944 (gnus-summary-limit (gnus-sorted-nunion old older))))
11945 (gnus-summary-position-point)))
11947 (defun gnus-summary-insert-new-articles ()
11948 "Insert all new articles in this group."
11951 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11952 (old-active gnus-newsgroup-active)
11953 (nnmail-fetched-sources (list t))
11955 (setq gnus-newsgroup-active
11956 (gnus-activate-group gnus-newsgroup-name 'scan))
11957 (setq i (cdr gnus-newsgroup-active))
11958 (while (> i (cdr old-active))
11962 (message "No gnus is bad news")
11963 (gnus-summary-insert-articles new)
11964 (setq gnus-newsgroup-unreads
11965 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11966 (gnus-summary-limit (gnus-sorted-nunion old new))))
11967 (gnus-summary-position-point)))
11969 (gnus-summary-make-all-marking-commands)
11971 (gnus-ems-redefine)
11973 (provide 'gnus-sum)
11975 (run-hooks 'gnus-sum-load-hook)
11977 ;; Local Variables:
11978 ;; coding: iso-8859-1
11981 ;;; gnus-sum.el ends here