1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000
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.
31 (eval-when-compile (require 'cl))
47 (autoload 'gnus-cache-articles-in-group "gnus-cache")
48 (autoload 'pgg-decrypt-region "pgg" nil t)
49 (autoload 'pgg-verify-region "pgg" nil t))
51 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
52 (autoload 'gnus-set-summary-default-charset "gnus-i18n" nil t)
54 (defcustom gnus-kill-summary-on-exit t
55 "*If non-nil, kill the summary buffer when you exit from it.
56 If nil, the summary will become a \"*Dead Summary*\" buffer, and
57 it will be killed sometime later."
58 :group 'gnus-summary-exit
61 (defcustom gnus-fetch-old-headers nil
62 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
63 If an unread article in the group refers to an older, already read (or
64 just marked as read) article, the old article will not normally be
65 displayed in the Summary buffer. If this variable is non-nil, Gnus
66 will attempt to grab the headers to the old articles, and thereby
67 build complete threads. If it has the value `some', only enough
68 headers to connect otherwise loose threads will be displayed. This
69 variable can also be a number. In that case, no more than that number
70 of old headers will be fetched. If it has the value `invisible', all
71 old headers will be fetched, but none will be displayed.
73 The server has to support NOV for any of this to work."
75 :type '(choice (const :tag "off" nil)
78 (sexp :menu-tag "other" t)))
80 (defcustom gnus-refer-thread-limit 200
81 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
82 If t, fetch all the available old headers."
85 (sexp :menu-tag "other" t)))
87 (defcustom gnus-summary-make-false-root 'adopt
88 "*nil means that Gnus won't gather loose threads.
89 If the root of a thread has expired or been read in a previous
90 session, the information necessary to build a complete thread has been
91 lost. Instead of having many small sub-threads from this original thread
92 scattered all over the summary buffer, Gnus can gather them.
94 If non-nil, Gnus will try to gather all loose sub-threads from an
95 original thread into one large thread.
97 If this variable is non-nil, it should be one of `none', `adopt',
100 If this variable is `none', Gnus will not make a false root, but just
101 present the sub-threads after another.
102 If this variable is `dummy', Gnus will create a dummy root that will
103 have all the sub-threads as children.
104 If this variable is `adopt', Gnus will make one of the \"children\"
105 the parent and mark all the step-children as such.
106 If this variable is `empty', the \"children\" are printed with empty
107 subject fields. (Or rather, they will be printed with a string
108 given by the `gnus-summary-same-subject' variable.)"
110 :type '(choice (const :tag "off" nil)
116 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
117 "*A regexp to match subjects to be excluded from loose thread gathering.
118 As loose thread gathering is done on subjects only, that means that
119 there can be many false gatherings performed. By rooting out certain
120 common subjects, gathering might become saner."
124 (defcustom gnus-summary-gather-subject-limit nil
125 "*Maximum length of subject comparisons when gathering loose threads.
126 Use nil to compare full subjects. Setting this variable to a low
127 number will help gather threads that have been corrupted by
128 newsreaders chopping off subject lines, but it might also mean that
129 unrelated articles that have subject that happen to begin with the
130 same few characters will be incorrectly gathered.
132 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
135 :type '(choice (const :tag "off" nil)
137 (sexp :menu-tag "on" t)))
139 (defcustom gnus-simplify-subject-functions nil
140 "List of functions taking a string argument that simplify subjects.
141 The functions are applied recursively.
143 Useful functions to put in this list include: `gnus-simplify-subject-re',
144 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
146 :type '(repeat function))
148 (defcustom gnus-simplify-ignored-prefixes nil
149 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
151 :type '(choice (const :tag "off" nil)
154 (defcustom gnus-build-sparse-threads nil
155 "*If non-nil, fill in the gaps in threads.
156 If `some', only fill in the gaps that are needed to tie loose threads
157 together. If `more', fill in all leaf nodes that Gnus can find. If
158 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
160 :type '(choice (const :tag "off" nil)
163 (sexp :menu-tag "all" t)))
165 (defcustom gnus-summary-thread-gathering-function
166 'gnus-gather-threads-by-subject
167 "*Function used for gathering loose threads.
168 There are two pre-defined functions: `gnus-gather-threads-by-subject',
169 which only takes Subjects into consideration; and
170 `gnus-gather-threads-by-references', which compared the References
171 headers of the articles to find matches."
173 :type '(radio (function-item gnus-gather-threads-by-subject)
174 (function-item gnus-gather-threads-by-references)
175 (function :tag "other")))
177 (defcustom gnus-summary-same-subject ""
178 "*String indicating that the current article has the same subject as the previous.
179 This variable will only be used if the value of
180 `gnus-summary-make-false-root' is `empty'."
181 :group 'gnus-summary-format
184 (defcustom gnus-summary-goto-unread t
185 "*If t, many commands will go to the next unread article.
186 This applies to marking commands as well as other commands that
187 \"naturally\" select the next article, like, for instance, `SPC' at
188 the end of an article.
190 If nil, the marking commands do NOT go to the next unread article
191 (they go to the next article instead). If `never', commands that
192 usually go to the next unread article, will go to the next article,
193 whether it is read or not."
194 :group 'gnus-summary-marks
195 :link '(custom-manual "(gnus)Setting Marks")
196 :type '(choice (const :tag "off" nil)
198 (sexp :menu-tag "on" t)))
200 (defcustom gnus-summary-default-score 0
201 "*Default article score level.
202 All scores generated by the score files will be added to this score.
203 If this variable is nil, scoring will be disabled."
204 :group 'gnus-score-default
205 :type '(choice (const :tag "disable")
208 (defcustom gnus-summary-zcore-fuzz 0
209 "*Fuzziness factor for the zcore in the summary buffer.
210 Articles with scores closer than this to `gnus-summary-default-score'
212 :group 'gnus-summary-format
215 (defcustom gnus-simplify-subject-fuzzy-regexp nil
216 "*Strings to be removed when doing fuzzy matches.
217 This can either be a regular expression or list of regular expressions
218 that will be removed from subject strings if fuzzy subject
219 simplification is selected."
221 :type '(repeat regexp))
223 (defcustom gnus-show-threads t
224 "*If non-nil, display threads in summary mode."
228 (defcustom gnus-thread-hide-subtree nil
229 "*If non-nil, hide all threads initially.
230 If threads are hidden, you have to run the command
231 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
232 to expose hidden threads."
236 (defcustom gnus-thread-hide-killed t
237 "*If non-nil, hide killed threads automatically."
241 (defcustom gnus-thread-ignore-subject t
242 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
243 If nil, articles that have different subjects from their parents will
244 start separate threads."
248 (defcustom gnus-thread-operation-ignore-subject t
249 "*If non-nil, subjects will be ignored when doing thread commands.
250 This affects commands like `gnus-summary-kill-thread' and
251 `gnus-summary-lower-thread'.
253 If this variable is nil, articles in the same thread with different
254 subjects will not be included in the operation in question. If this
255 variable is `fuzzy', only articles that have subjects that are fuzzily
256 equal will be included."
258 :type '(choice (const :tag "off" nil)
262 (defcustom gnus-thread-indent-level 4
263 "*Number that says how much each sub-thread should be indented."
267 (defcustom gnus-auto-extend-newsgroup t
268 "*If non-nil, extend newsgroup forward and backward when requested."
269 :group 'gnus-summary-choose
272 (defcustom gnus-auto-select-first t
273 "*If nil, don't select the first unread article when entering a group.
274 If this variable is `best', select the highest-scored unread article
275 in the group. If t, select the first unread article.
277 This variable can also be a function to place point on a likely
278 subject line. Useful values include `gnus-summary-first-unread-subject',
279 `gnus-summary-first-unread-article' and
280 `gnus-summary-best-unread-article'.
282 If you want to prevent automatic selection of the first unread article
283 in some newsgroups, set the variable to nil in
284 `gnus-select-group-hook'."
285 :group 'gnus-group-select
286 :type '(choice (const :tag "none" nil)
288 (sexp :menu-tag "first" t)
289 (function-item gnus-summary-first-unread-subject)
290 (function-item gnus-summary-first-unread-article)
291 (function-item gnus-summary-best-unread-article)))
293 (defcustom gnus-dont-select-after-jump-to-other-group nil
294 "If non-nil, don't select the first unread article after entering the
295 other group by the command `gnus-summary-jump-to-other-group'. If nil,
296 it is depend on the value of `gnus-auto-select-first' whether to select
298 :group 'gnus-group-select
301 (defcustom gnus-auto-select-next t
302 "*If non-nil, offer to go to the next group from the end of the previous.
303 If the value is t and the next newsgroup is empty, Gnus will exit
304 summary mode and go back to group mode. If the value is neither nil
305 nor t, Gnus will select the following unread newsgroup. In
306 particular, if the value is the symbol `quietly', the next unread
307 newsgroup will be selected without any confirmation, and if it is
308 `almost-quietly', the next group will be selected without any
309 confirmation if you are located on the last article in the group.
310 Finally, if this variable is `slightly-quietly', the `Z n' command
311 will go to the next group without confirmation."
312 :group 'gnus-summary-maneuvering
313 :type '(choice (const :tag "off" nil)
315 (const almost-quietly)
316 (const slightly-quietly)
317 (sexp :menu-tag "on" t)))
319 (defcustom gnus-auto-select-same nil
320 "*If non-nil, select the next article with the same subject.
321 If there are no more articles with the same subject, go to
322 the first unread article."
323 :group 'gnus-summary-maneuvering
326 (defcustom gnus-summary-check-current nil
327 "*If non-nil, consider the current article when moving.
328 The \"unread\" movement commands will stay on the same line if the
329 current article is unread."
330 :group 'gnus-summary-maneuvering
333 (defcustom gnus-auto-center-summary t
334 "*If non-nil, always center the current summary buffer.
335 In particular, if `vertical' do only vertical recentering. If non-nil
336 and non-`vertical', do both horizontal and vertical recentering."
337 :group 'gnus-summary-maneuvering
338 :type '(choice (const :tag "none" nil)
340 (integer :tag "height")
341 (sexp :menu-tag "both" t)))
343 (defcustom gnus-show-all-headers nil
344 "*If non-nil, don't hide any headers."
345 :group 'gnus-article-hiding
346 :group 'gnus-article-headers
349 (defcustom gnus-summary-ignore-duplicates nil
350 "*If non-nil, ignore articles with identical Message-ID headers."
354 (defcustom gnus-single-article-buffer t
355 "*If non-nil, display all articles in the same buffer.
356 If nil, each group will get its own article buffer."
357 :group 'gnus-article-various
360 (defcustom gnus-break-pages t
361 "*If non-nil, do page breaking on articles.
362 The page delimiter is specified by the `gnus-page-delimiter'
364 :group 'gnus-article-various
367 (defcustom gnus-show-mime t
368 "*If non-nil, do mime processing of articles.
369 The articles will simply be fed to the function given by
370 `gnus-article-display-method-for-mime'."
371 :group 'gnus-article-mime
374 (defcustom gnus-move-split-methods nil
375 "*Variable used to suggest where articles are to be moved to.
376 It uses the same syntax as the `gnus-split-methods' variable."
377 :group 'gnus-summary-mail
378 :type '(repeat (choice (list :value (fun) function)
379 (cons :value ("" "") regexp (repeat string))
382 (defcustom gnus-unread-mark ? ;Whitespace
383 "*Mark used for unread articles."
384 :group 'gnus-summary-marks
387 (defcustom gnus-ticked-mark ?!
388 "*Mark used for ticked articles."
389 :group 'gnus-summary-marks
392 (defcustom gnus-dormant-mark ??
393 "*Mark used for dormant articles."
394 :group 'gnus-summary-marks
397 (defcustom gnus-del-mark ?r
398 "*Mark used for del'd articles."
399 :group 'gnus-summary-marks
402 (defcustom gnus-read-mark ?R
403 "*Mark used for read articles."
404 :group 'gnus-summary-marks
407 (defcustom gnus-expirable-mark ?E
408 "*Mark used for expirable articles."
409 :group 'gnus-summary-marks
412 (defcustom gnus-killed-mark ?K
413 "*Mark used for killed articles."
414 :group 'gnus-summary-marks
417 (defcustom gnus-souped-mark ?F
418 "*Mark used for killed articles."
419 :group 'gnus-summary-marks
422 (defcustom gnus-kill-file-mark ?X
423 "*Mark used for articles killed by kill files."
424 :group 'gnus-summary-marks
427 (defcustom gnus-low-score-mark ?Y
428 "*Mark used for articles with a low score."
429 :group 'gnus-summary-marks
432 (defcustom gnus-catchup-mark ?C
433 "*Mark used for articles that are caught up."
434 :group 'gnus-summary-marks
437 (defcustom gnus-replied-mark ?A
438 "*Mark used for articles that have been replied to."
439 :group 'gnus-summary-marks
442 (defcustom gnus-cached-mark ?*
443 "*Mark used for articles that are in the cache."
444 :group 'gnus-summary-marks
447 (defcustom gnus-saved-mark ?S
448 "*Mark used for articles that have been saved to."
449 :group 'gnus-summary-marks
452 (defcustom gnus-ancient-mark ?O
453 "*Mark used for ancient articles."
454 :group 'gnus-summary-marks
457 (defcustom gnus-sparse-mark ?Q
458 "*Mark used for sparsely reffed articles."
459 :group 'gnus-summary-marks
462 (defcustom gnus-canceled-mark ?G
463 "*Mark used for canceled articles."
464 :group 'gnus-summary-marks
467 (defcustom gnus-duplicate-mark ?M
468 "*Mark used for duplicate articles."
469 :group 'gnus-summary-marks
472 (defcustom gnus-undownloaded-mark ?@
473 "*Mark used for articles that weren't downloaded."
474 :group 'gnus-summary-marks
477 (defcustom gnus-downloadable-mark ?%
478 "*Mark used for articles that are to be downloaded."
479 :group 'gnus-summary-marks
482 (defcustom gnus-unsendable-mark ?=
483 "*Mark used for articles that won't be sent."
484 :group 'gnus-summary-marks
487 (defcustom gnus-score-over-mark ?+
488 "*Score mark used for articles with high scores."
489 :group 'gnus-summary-marks
492 (defcustom gnus-score-below-mark ?-
493 "*Score mark used for articles with low scores."
494 :group 'gnus-summary-marks
497 (defcustom gnus-empty-thread-mark ? ;Whitespace
498 "*There is no thread under the article."
499 :group 'gnus-summary-marks
502 (defcustom gnus-not-empty-thread-mark ?=
503 "*There is a thread under the article."
504 :group 'gnus-summary-marks
507 (defcustom gnus-view-pseudo-asynchronously nil
508 "*If non-nil, Gnus will view pseudo-articles asynchronously."
509 :group 'gnus-extract-view
512 (defcustom gnus-auto-expirable-marks
513 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
514 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
515 gnus-souped-mark gnus-duplicate-mark)
516 "*The list of marks converted into expiration if a group is auto-expirable."
518 :type '(repeat character))
520 (defcustom gnus-inhibit-user-auto-expire t
521 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
525 (defcustom gnus-view-pseudos nil
526 "*If `automatic', pseudo-articles will be viewed automatically.
527 If `not-confirm', pseudos will be viewed automatically, and the user
528 will not be asked to confirm the command."
529 :group 'gnus-extract-view
530 :type '(choice (const :tag "off" nil)
532 (const not-confirm)))
534 (defcustom gnus-view-pseudos-separately t
535 "*If non-nil, one pseudo-article will be created for each file to be viewed.
536 If nil, all files that use the same viewing command will be given as a
537 list of parameters to that command."
538 :group 'gnus-extract-view
541 (defcustom gnus-insert-pseudo-articles t
542 "*If non-nil, insert pseudo-articles when decoding articles."
543 :group 'gnus-extract-view
546 (defcustom gnus-summary-dummy-line-format
548 "*The format specification for the dummy roots in the summary buffer.
549 It works along the same lines as a normal formatting string,
550 with some simple extensions.
553 :group 'gnus-threading
556 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
557 "*The format specification for the summary mode line.
558 It works along the same lines as a normal formatting string,
559 with some simple extensions:
562 %p Unprefixed group name
563 %A Current article number
564 %z Current article score
566 %U Number of unread articles in the group
567 %e Number of unselected articles in the group
568 %Z A string with unread/unselected article counts
569 %g Shortish group name
570 %S Subject of the current article
572 %s Current score file name
573 %d Number of dormant articles
574 %r Number of articles that have been marked as read in this session
575 %E Number of articles expunged by the score files"
576 :group 'gnus-summary-format
579 (defcustom gnus-list-identifiers nil
580 "Regexp that matches list identifiers to be removed from subject.
581 This can also be a list of regexps."
582 :group 'gnus-summary-format
583 :group 'gnus-article-hiding
584 :type '(choice (const :tag "none" nil)
586 (repeat :value (".*") regexp)))
588 (defcustom gnus-summary-mark-below 0
589 "*Mark all articles with a score below this variable as read.
590 This variable is local to each summary buffer and usually set by the
592 :group 'gnus-score-default
595 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
596 "*List of functions used for sorting articles in the summary buffer.
597 This variable is only used when not using a threaded display."
598 :group 'gnus-summary-sort
599 :type '(repeat (choice (function-item gnus-article-sort-by-number)
600 (function-item gnus-article-sort-by-author)
601 (function-item gnus-article-sort-by-subject)
602 (function-item gnus-article-sort-by-date)
603 (function-item gnus-article-sort-by-score)
604 (function :tag "other"))))
606 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
607 "*List of functions used for sorting threads in the summary buffer.
608 By default, threads are sorted by article number.
610 Each function takes two threads and return non-nil if the first thread
611 should be sorted before the other. If you use more than one function,
612 the primary sort function should be the last. You should probably
613 always include `gnus-thread-sort-by-number' in the list of sorting
614 functions -- preferably first.
616 Ready-made functions include `gnus-thread-sort-by-number',
617 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
618 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
619 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
620 :group 'gnus-summary-sort
621 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
622 (function-item gnus-thread-sort-by-author)
623 (function-item gnus-thread-sort-by-subject)
624 (function-item gnus-thread-sort-by-date)
625 (function-item gnus-thread-sort-by-score)
626 (function-item gnus-thread-sort-by-total-score)
627 (function :tag "other"))))
629 (defcustom gnus-thread-score-function '+
630 "*Function used for calculating the total score of a thread.
632 The function is called with the scores of the article and each
633 subthread and should then return the score of the thread.
635 Some functions you can use are `+', `max', or `min'."
636 :group 'gnus-summary-sort
639 (defcustom gnus-summary-expunge-below nil
640 "All articles that have a score less than this variable will be expunged.
641 This variable is local to the summary buffers."
642 :group 'gnus-score-default
643 :type '(choice (const :tag "off" nil)
646 (defcustom gnus-thread-expunge-below nil
647 "All threads that have a total score less than this variable will be expunged.
648 See `gnus-thread-score-function' for en explanation of what a
651 This variable is local to the summary buffers."
652 :group 'gnus-threading
653 :group 'gnus-score-default
654 :type '(choice (const :tag "off" nil)
657 (defcustom gnus-summary-mode-hook nil
658 "*A hook for Gnus summary mode.
659 This hook is run before any variables are set in the summary buffer."
660 :group 'gnus-summary-various
663 (defcustom gnus-summary-menu-hook nil
664 "*Hook run after the creation of the summary mode menu."
665 :group 'gnus-summary-visual
668 (defcustom gnus-summary-exit-hook nil
669 "*A hook called on exit from the summary buffer.
670 It will be called with point in the group buffer."
671 :group 'gnus-summary-exit
674 (defcustom gnus-summary-prepare-hook nil
675 "*A hook called after the summary buffer has been generated.
676 If you want to modify the summary buffer, you can use this hook."
677 :group 'gnus-summary-various
680 (defcustom gnus-summary-prepared-hook nil
681 "*A hook called as the last thing after the summary buffer has been generated."
682 :group 'gnus-summary-various
685 (defcustom gnus-summary-generate-hook nil
686 "*A hook run just before generating the summary buffer.
687 This hook is commonly used to customize threading variables and the
689 :group 'gnus-summary-various
692 (defcustom gnus-select-group-hook nil
693 "*A hook called when a newsgroup is selected.
695 If you'd like to simplify subjects like the
696 `gnus-summary-next-same-subject' command does, you can use the
699 (setq gnus-select-group-hook
702 (mapcar (lambda (header)
703 (mail-header-set-subject
705 (gnus-simplify-subject
706 (mail-header-subject header) 're-only)))
707 gnus-newsgroup-headers))))"
708 :group 'gnus-group-select
711 (defcustom gnus-select-article-hook nil
712 "*A hook called when an article is selected."
713 :group 'gnus-summary-choose
716 (defcustom gnus-visual-mark-article-hook
717 (list 'gnus-highlight-selected-summary)
718 "*Hook run after selecting an article in the summary buffer.
719 It is meant to be used for highlighting the article in some way. It
720 is not run if `gnus-visual' is nil."
721 :group 'gnus-summary-visual
724 (defcustom gnus-parse-headers-hook '(gnus-set-summary-default-charset)
725 "*A hook called before parsing the headers."
729 (defcustom gnus-exit-group-hook nil
730 "*A hook called when exiting summary mode.
731 This hook is not called from the non-updating exit commands like `Q'."
735 (defcustom gnus-summary-update-hook
736 (list 'gnus-summary-highlight-line)
737 "*A hook called when a summary line is changed.
738 The hook will not be called if `gnus-visual' is nil.
740 The default function `gnus-summary-highlight-line' will
741 highlight the line according to the `gnus-summary-highlight'
743 :group 'gnus-summary-visual
746 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
747 "*A hook called when an article is selected for the first time.
748 The hook is intended to mark an article as read (or unread)
749 automatically when it is selected."
750 :group 'gnus-summary-choose
753 (defcustom gnus-group-no-more-groups-hook nil
754 "*A hook run when returning to group mode having no more (unread) groups."
755 :group 'gnus-group-select
758 (defcustom gnus-ps-print-hook nil
759 "*A hook run before ps-printing something from Gnus."
763 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
764 "Face used for highlighting the current article in the summary buffer."
765 :group 'gnus-summary-visual
768 (defcustom gnus-summary-highlight
769 '(((= mark gnus-canceled-mark)
770 . gnus-summary-cancelled-face)
771 ((and (> score default)
772 (or (= mark gnus-dormant-mark)
773 (= mark gnus-ticked-mark)))
774 . gnus-summary-high-ticked-face)
775 ((and (< score default)
776 (or (= mark gnus-dormant-mark)
777 (= mark gnus-ticked-mark)))
778 . gnus-summary-low-ticked-face)
779 ((or (= mark gnus-dormant-mark)
780 (= mark gnus-ticked-mark))
781 . gnus-summary-normal-ticked-face)
782 ((and (> score default) (= mark gnus-ancient-mark))
783 . gnus-summary-high-ancient-face)
784 ((and (< score default) (= mark gnus-ancient-mark))
785 . gnus-summary-low-ancient-face)
786 ((= mark gnus-ancient-mark)
787 . gnus-summary-normal-ancient-face)
788 ((and (> score default) (= mark gnus-unread-mark))
789 . gnus-summary-high-unread-face)
790 ((and (< score default) (= mark gnus-unread-mark))
791 . gnus-summary-low-unread-face)
792 ((and (memq article gnus-newsgroup-incorporated)
793 (= mark gnus-unread-mark))
794 . gnus-summary-incorporated-face)
795 ((= mark gnus-unread-mark)
796 . gnus-summary-normal-unread-face)
797 ((and (> score default) (memq mark (list gnus-downloadable-mark
798 gnus-undownloaded-mark)))
799 . gnus-summary-high-unread-face)
800 ((and (< score default) (memq mark (list gnus-downloadable-mark
801 gnus-undownloaded-mark)))
802 . gnus-summary-low-unread-face)
803 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
804 . gnus-summary-normal-unread-face)
806 . gnus-summary-high-read-face)
808 . gnus-summary-low-read-face)
810 . gnus-summary-normal-read-face))
811 "*Controls the highlighting of summary buffer lines.
813 A list of (FORM . FACE) pairs. When deciding how a a particular
814 summary line should be displayed, each form is evaluated. The content
815 of the face field after the first true form is used. You can change
816 how those summary lines are displayed, by editing the face field.
818 You can use the following variables in the FORM field.
820 score: The articles score
821 default: The default article score.
822 below: The score below which articles are automatically marked as read.
823 mark: The articles mark."
824 :group 'gnus-summary-visual
825 :type '(repeat (cons (sexp :tag "Form" nil)
828 (defcustom gnus-alter-header-function nil
829 "Function called to allow alteration of article header structures.
830 The function is called with one parameter, the article header vector,
831 which it may alter in any way.")
833 (defvar gnus-decode-encoded-word-function
834 (mime-find-field-decoder 'From 'nov)
835 "Variable that says which function should be used to decode a string with encoded words.")
837 (defcustom gnus-extra-headers nil
838 "*Extra headers to parse."
840 :type '(repeat symbol))
842 (defcustom gnus-ignored-from-addresses
843 (and user-mail-address (regexp-quote user-mail-address))
844 "*Regexp of From headers that may be suppressed in favor of To headers."
848 (defcustom gnus-group-charset-alist
849 '(("^hk\\>\\|^tw\\>\\|\\<big5\\>" cn-big5)
850 ("^cn\\>\\|\\<chinese\\>" cn-gb-2312)
851 ("^fj\\>\\|^japan\\>" iso-2022-jp-2)
852 ("^tnn\\>\\|^pin\\>\\|^sci.lang.japan" iso-2022-7bit)
853 ("^relcom\\>" koi8-r)
855 ("^\\(cz\\|hun\\|pl\\|sk\\|hr\\)\\>" iso-8859-2)
856 ("^israel\\>" iso-8859-1)
858 ("^alt.chinese.text.big5\\>" chinese-big5)
859 ("^soc.culture.vietnamese\\>" vietnamese-viqr)
860 ("^\\(comp\\|rec\\|alt\\|sci\\|soc\\|news\\|gnu\\|bofh\\)\\>" iso-8859-1)
862 "Alist of regexps (to match group names) and default charsets to be used when reading."
863 :type '(repeat (list (regexp :tag "Group")
864 (symbol :tag "Charset")))
865 :group 'gnus-charset)
867 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
868 "List of charsets that should be ignored.
869 When these charsets are used in the \"charset\" parameter, the
870 default charset will be used instead."
871 :type '(repeat symbol)
872 :group 'gnus-charset)
874 (defcustom gnus-group-ignored-charsets-alist
875 '(("alt\\.chinese\\.text" iso-8859-1))
876 "Alist of regexps (to match group names) and charsets that should be ignored.
877 When these charsets are used in the \"charset\" parameter, the
878 default charset will be used instead."
879 :type '(repeat (cons (regexp :tag "Group")
881 :group 'gnus-charset)
883 (defcustom gnus-group-highlight-words-alist nil
884 "Alist of group regexps and highlight regexps.
885 This variable uses the same syntax as `gnus-emphasis-alist'."
886 :type '(repeat (cons (regexp :tag "Group")
887 (repeat (list (regexp :tag "Highlight regexp")
888 (number :tag "Group for entire word" 0)
889 (number :tag "Group for displayed part" 0)
891 gnus-emphasis-highlight-words)))))
892 :group 'gnus-summary-visual)
894 (defcustom gnus-use-wheel nil
895 "Use Intelli-mouse on summary movement"
897 :group 'gnus-summary-maneuvering)
899 (defcustom gnus-wheel-scroll-amount '(5 . 1)
900 "Amount to scroll messages by spinning the mouse wheel.
901 This is actually a cons cell, where the first item is the amount to scroll
902 on a normal wheel event, and the second is the amount to scroll when the
903 wheel is moved with the shift key depressed."
904 :type '(cons (integer :tag "Shift") integer)
905 :group 'gnus-summary-maneuvering)
907 (defcustom gnus-wheel-edge-resistance 2
908 "How hard it should be to change the current article
909 by moving the mouse over the edge of the article window."
911 :group 'gnus-summary-maneuvering)
913 (defcustom gnus-summary-show-article-charset-alist
915 "Alist of number and charset.
916 The article will be shown with the charset corresponding to the
918 For example: ((1 . cn-gb-2312) (2 . big5))."
919 :type '(repeat (cons (number :tag "Argument" 1)
920 (symbol :tag "Charset")))
921 :group 'gnus-charset)
923 (defcustom gnus-preserve-marks t
924 "Whether marks are preserved when moving, copying and respooling messages."
926 :group 'gnus-summary-marks)
928 (defcustom gnus-alter-articles-to-read-function nil
929 "Function to be called to alter the list of articles to be selected."
931 :group 'gnus-summary)
933 ;;; Internal variables
935 (defvar gnus-article-mime-handles nil)
936 (defvar gnus-article-decoded-p nil)
937 (defvar gnus-scores-exclude-files nil)
938 (defvar gnus-page-broken nil)
939 (defvar gnus-inhibit-mime-unbuttonizing nil)
941 (defvar gnus-original-article nil)
942 (defvar gnus-article-internal-prepare-hook nil)
943 (defvar gnus-newsgroup-process-stack nil)
945 (defvar gnus-thread-indent-array nil)
946 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
947 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
948 "Function called to sort the articles within a thread after it has been gathered together.")
950 ;; Avoid highlighting in kill files.
951 (defvar gnus-summary-inhibit-highlight nil)
952 (defvar gnus-newsgroup-selected-overlay nil)
953 (defvar gnus-inhibit-limiting nil)
954 (defvar gnus-newsgroup-adaptive-score-file nil)
955 (defvar gnus-current-score-file nil)
956 (defvar gnus-current-move-group nil)
957 (defvar gnus-current-copy-group nil)
958 (defvar gnus-current-crosspost-group nil)
960 (defvar gnus-newsgroup-dependencies nil)
961 (defvar gnus-newsgroup-adaptive nil)
962 (defvar gnus-summary-display-article-function nil)
963 (defvar gnus-summary-highlight-line-function nil
964 "Function called after highlighting a summary line.")
966 (defvar gnus-summary-line-format-alist
967 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
968 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
969 (?s gnus-tmp-subject-or-nil ?s)
970 (?n gnus-tmp-name ?s)
971 (?A (std11-address-string
972 (car (mime-entity-read-field gnus-tmp-header 'From))) ?s)
973 (?a (or (std11-full-name-string
974 (car (mime-entity-read-field gnus-tmp-header 'From)))
976 (?F gnus-tmp-from ?s)
977 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
978 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
979 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
980 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
981 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
982 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
983 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
984 (?L gnus-tmp-lines ?d)
985 (?I gnus-tmp-indentation ?s)
986 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
987 (?R gnus-tmp-replied ?c)
988 (?\[ gnus-tmp-opening-bracket ?c)
989 (?\] gnus-tmp-closing-bracket ?c)
990 (?\> (make-string gnus-tmp-level ? ) ?s)
991 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
992 (?i gnus-tmp-score ?d)
993 (?z gnus-tmp-score-char ?c)
994 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
995 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
996 (?U gnus-tmp-unread ?c)
997 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header) ?s)
998 (?t (gnus-summary-number-of-articles-in-thread
999 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1001 (?e (gnus-summary-number-of-articles-in-thread
1002 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1004 (?u gnus-tmp-user-defined ?s)
1005 (?P (gnus-pick-line-number) ?d))
1006 "An alist of format specifications that can appear in summary lines,
1007 and what variables they correspond with, along with the type of the
1008 variable (string, integer, character, etc).")
1010 (defvar gnus-summary-dummy-line-format-alist
1011 `((?S gnus-tmp-subject ?s)
1012 (?N gnus-tmp-number ?d)
1013 (?u gnus-tmp-user-defined ?s)))
1015 (defvar gnus-summary-mode-line-format-alist
1016 `((?G gnus-tmp-group-name ?s)
1017 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1018 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1019 (?A gnus-tmp-article-number ?d)
1020 (?Z gnus-tmp-unread-and-unselected ?s)
1021 (?V gnus-version ?s)
1022 (?U gnus-tmp-unread-and-unticked ?d)
1023 (?S gnus-tmp-subject ?s)
1024 (?e gnus-tmp-unselected ?d)
1025 (?u gnus-tmp-user-defined ?s)
1026 (?d (length gnus-newsgroup-dormant) ?d)
1027 (?t (length gnus-newsgroup-marked) ?d)
1028 (?r (length gnus-newsgroup-reads) ?d)
1029 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1030 (?E gnus-newsgroup-expunged-tally ?d)
1031 (?s (gnus-current-score-file-nondirectory) ?s)))
1033 (defvar gnus-last-search-regexp nil
1034 "Default regexp for article search command.")
1036 (defvar gnus-summary-search-article-matched-data nil
1037 "Last matched data of article search command. It is the local variable
1038 in `gnus-article-buffer' which consists of the list of start position,
1039 end position and text.")
1041 (defvar gnus-last-shell-command nil
1042 "Default shell command on article.")
1044 (defvar gnus-newsgroup-begin nil)
1045 (defvar gnus-newsgroup-end nil)
1046 (defvar gnus-newsgroup-last-rmail nil)
1047 (defvar gnus-newsgroup-last-mail nil)
1048 (defvar gnus-newsgroup-last-folder nil)
1049 (defvar gnus-newsgroup-last-file nil)
1050 (defvar gnus-newsgroup-auto-expire nil)
1051 (defvar gnus-newsgroup-active nil)
1053 (defvar gnus-newsgroup-data nil)
1054 (defvar gnus-newsgroup-data-reverse nil)
1055 (defvar gnus-newsgroup-limit nil)
1056 (defvar gnus-newsgroup-limits nil)
1058 (defvar gnus-newsgroup-unreads nil
1059 "List of unread articles in the current newsgroup.")
1061 (defvar gnus-newsgroup-unselected nil
1062 "List of unselected unread articles in the current newsgroup.")
1064 (defvar gnus-newsgroup-reads nil
1065 "Alist of read articles and article marks in the current newsgroup.")
1067 (defvar gnus-newsgroup-expunged-tally nil)
1069 (defvar gnus-newsgroup-marked nil
1070 "List of ticked articles in the current newsgroup (a subset of unread art).")
1072 (defvar gnus-newsgroup-killed nil
1073 "List of ranges of articles that have been through the scoring process.")
1075 (defvar gnus-newsgroup-cached nil
1076 "List of articles that come from the article cache.")
1078 (defvar gnus-newsgroup-saved nil
1079 "List of articles that have been saved.")
1081 (defvar gnus-newsgroup-kill-headers nil)
1083 (defvar gnus-newsgroup-replied nil
1084 "List of articles that have been replied to in the current newsgroup.")
1086 (defvar gnus-newsgroup-expirable nil
1087 "List of articles in the current newsgroup that can be expired.")
1089 (defvar gnus-newsgroup-processable nil
1090 "List of articles in the current newsgroup that can be processed.")
1092 (defvar gnus-newsgroup-downloadable nil
1093 "List of articles in the current newsgroup that can be processed.")
1095 (defvar gnus-newsgroup-undownloaded nil
1096 "List of articles in the current newsgroup that haven't been downloaded..")
1098 (defvar gnus-newsgroup-unsendable nil
1099 "List of articles in the current newsgroup that won't be sent.")
1101 (defvar gnus-newsgroup-bookmarks nil
1102 "List of articles in the current newsgroup that have bookmarks.")
1104 (defvar gnus-newsgroup-dormant nil
1105 "List of dormant articles in the current newsgroup.")
1107 (defvar gnus-newsgroup-scored nil
1108 "List of scored articles in the current newsgroup.")
1110 (defvar gnus-newsgroup-incorporated nil
1111 "List of incorporated articles in the current newsgroup.")
1113 (defvar gnus-newsgroup-headers nil
1114 "List of article headers in the current newsgroup.")
1116 (defvar gnus-newsgroup-threads nil)
1118 (defvar gnus-newsgroup-prepared nil
1119 "Whether the current group has been prepared properly.")
1121 (defvar gnus-newsgroup-ancient nil
1122 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1124 (defvar gnus-newsgroup-sparse nil)
1126 (defvar gnus-current-article nil)
1127 (defvar gnus-article-current nil)
1128 (defvar gnus-current-headers nil)
1129 (defvar gnus-have-all-headers nil)
1130 (defvar gnus-last-article nil)
1131 (defvar gnus-newsgroup-history nil)
1132 (defvar gnus-newsgroup-charset nil)
1133 (defvar gnus-newsgroup-ephemeral-charset nil)
1134 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1136 (defconst gnus-summary-local-variables
1137 '(gnus-newsgroup-name
1138 gnus-newsgroup-begin gnus-newsgroup-end
1139 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1140 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1141 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1142 gnus-newsgroup-unselected gnus-newsgroup-marked
1143 gnus-newsgroup-reads gnus-newsgroup-saved
1144 gnus-newsgroup-replied gnus-newsgroup-expirable
1145 gnus-newsgroup-processable gnus-newsgroup-killed
1146 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1147 gnus-newsgroup-unsendable
1148 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1149 gnus-newsgroup-headers gnus-newsgroup-threads
1150 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1151 gnus-current-article gnus-current-headers gnus-have-all-headers
1152 gnus-last-article gnus-article-internal-prepare-hook
1153 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1154 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1155 gnus-thread-expunge-below
1156 gnus-score-alist gnus-current-score-file
1157 (gnus-summary-expunge-below . global)
1158 (gnus-summary-mark-below . global)
1159 gnus-newsgroup-active gnus-scores-exclude-files
1160 gnus-newsgroup-history gnus-newsgroup-ancient
1161 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1162 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1163 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1164 (gnus-newsgroup-expunged-tally . 0)
1165 gnus-cache-removable-articles gnus-newsgroup-cached
1166 gnus-newsgroup-data gnus-newsgroup-data-reverse
1167 gnus-newsgroup-limit gnus-newsgroup-limits
1168 gnus-newsgroup-charset
1169 gnus-newsgroup-incorporated)
1170 "Variables that are buffer-local to the summary buffers.")
1172 ;; Byte-compiler warning.
1173 (defvar gnus-article-mode-map)
1175 ;; Subject simplification.
1177 (defun gnus-simplify-whitespace (str)
1178 "Remove excessive whitespace."
1181 (while (string-match "[ \t][ \t]+" mystr)
1182 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1184 (substring mystr (match-end 0)))))
1186 (when (string-match "^[ \t]+" mystr)
1187 (setq mystr (substring mystr (match-end 0))))
1189 (when (string-match "[ \t]+$" mystr)
1190 (setq mystr (substring mystr 0 (match-beginning 0))))
1193 (defsubst gnus-simplify-subject-re (subject)
1194 "Remove \"Re:\" from subject lines."
1195 (if (string-match "^[Rr][Ee]: *" subject)
1196 (substring subject (match-end 0))
1199 (defun gnus-simplify-subject (subject &optional re-only)
1200 "Remove `Re:' and words in parentheses.
1201 If RE-ONLY is non-nil, strip leading `Re:'s only."
1202 (let ((case-fold-search t)) ;Ignore case.
1203 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1204 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1205 (setq subject (substring subject (match-end 0))))
1206 ;; Remove uninteresting prefixes.
1207 (when (and (not re-only)
1208 gnus-simplify-ignored-prefixes
1209 (string-match gnus-simplify-ignored-prefixes subject))
1210 (setq subject (substring subject (match-end 0))))
1211 ;; Remove words in parentheses from end.
1213 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1214 (setq subject (substring subject 0 (match-beginning 0)))))
1215 ;; Return subject string.
1218 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1220 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1221 (goto-char (point-min))
1222 (while (re-search-forward regexp nil t)
1223 (replace-match (or newtext ""))))
1225 (defun gnus-simplify-buffer-fuzzy ()
1226 "Simplify string in the buffer fuzzily.
1227 The string in the accessible portion of the current buffer is simplified.
1228 It is assumed to be a single-line subject.
1229 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1230 matter is removed. Additional things can be deleted by setting
1231 gnus-simplify-subject-fuzzy-regexp."
1232 (let ((case-fold-search t)
1234 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1236 (while (not (eq modified-tick (buffer-modified-tick)))
1237 (setq modified-tick (buffer-modified-tick))
1239 ((listp gnus-simplify-subject-fuzzy-regexp)
1240 (mapcar 'gnus-simplify-buffer-fuzzy-step
1241 gnus-simplify-subject-fuzzy-regexp))
1242 (gnus-simplify-subject-fuzzy-regexp
1243 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1244 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1245 (gnus-simplify-buffer-fuzzy-step
1246 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1247 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1249 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1250 (gnus-simplify-buffer-fuzzy-step " +" " ")
1251 (gnus-simplify-buffer-fuzzy-step " $")
1252 (gnus-simplify-buffer-fuzzy-step "^ +")))
1254 (defun gnus-simplify-subject-fuzzy (subject)
1255 "Simplify a subject string fuzzily.
1256 See `gnus-simplify-buffer-fuzzy' for details."
1258 (gnus-set-work-buffer)
1259 (let ((case-fold-search t))
1260 ;; Remove uninteresting prefixes.
1261 (when (and gnus-simplify-ignored-prefixes
1262 (string-match gnus-simplify-ignored-prefixes subject))
1263 (setq subject (substring subject (match-end 0))))
1265 (inline (gnus-simplify-buffer-fuzzy))
1268 (defsubst gnus-simplify-subject-fully (subject)
1269 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1271 (gnus-simplify-subject-functions
1272 (gnus-map-function gnus-simplify-subject-functions subject))
1273 ((null gnus-summary-gather-subject-limit)
1274 (gnus-simplify-subject-re subject))
1275 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1276 (gnus-simplify-subject-fuzzy subject))
1277 ((numberp gnus-summary-gather-subject-limit)
1278 (gnus-limit-string (gnus-simplify-subject-re subject)
1279 gnus-summary-gather-subject-limit))
1283 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1284 "Check whether two subjects are equal.
1285 If optional argument simple-first is t, first argument is already
1288 ((null simple-first)
1289 (equal (gnus-simplify-subject-fully s1)
1290 (gnus-simplify-subject-fully s2)))
1293 (gnus-simplify-subject-fully s2)))))
1295 (defun gnus-summary-bubble-group ()
1296 "Increase the score of the current group.
1297 This is a handy function to add to `gnus-summary-exit-hook' to
1298 increase the score of each group you read."
1299 (gnus-group-add-score gnus-newsgroup-name))
1303 ;;; Gnus summary mode
1306 (put 'gnus-summary-mode 'mode-class 'special)
1309 ;; Non-orthogonal keys
1311 (gnus-define-keys gnus-summary-mode-map
1312 " " gnus-summary-next-page
1313 "\177" gnus-summary-prev-page
1314 [delete] gnus-summary-prev-page
1315 [backspace] gnus-summary-prev-page
1316 "\r" gnus-summary-scroll-up
1317 "\M-\r" gnus-summary-scroll-down
1318 "n" gnus-summary-next-unread-article
1319 "p" gnus-summary-prev-unread-article
1320 "N" gnus-summary-next-article
1321 "P" gnus-summary-prev-article
1322 "\M-\C-n" gnus-summary-next-same-subject
1323 "\M-\C-p" gnus-summary-prev-same-subject
1324 "\M-n" gnus-summary-next-unread-subject
1325 "\M-p" gnus-summary-prev-unread-subject
1326 "." gnus-summary-first-unread-article
1327 "," gnus-summary-best-unread-article
1328 "\M-s" gnus-summary-search-article-forward
1329 "\M-r" gnus-summary-search-article-backward
1330 "<" gnus-summary-beginning-of-article
1331 ">" gnus-summary-end-of-article
1332 "j" gnus-summary-goto-article
1333 "^" gnus-summary-refer-parent-article
1334 "\M-^" gnus-summary-refer-article
1335 "u" gnus-summary-tick-article-forward
1336 "!" gnus-summary-tick-article-forward
1337 "U" gnus-summary-tick-article-backward
1338 "d" gnus-summary-mark-as-read-forward
1339 "D" gnus-summary-mark-as-read-backward
1340 "E" gnus-summary-mark-as-expirable
1341 "\M-u" gnus-summary-clear-mark-forward
1342 "\M-U" gnus-summary-clear-mark-backward
1343 "k" gnus-summary-kill-same-subject-and-select
1344 "\C-k" gnus-summary-kill-same-subject
1345 "\M-\C-k" gnus-summary-kill-thread
1346 "\M-\C-l" gnus-summary-lower-thread
1347 "e" gnus-summary-edit-article
1348 "#" gnus-summary-mark-as-processable
1349 "\M-#" gnus-summary-unmark-as-processable
1350 "\M-\C-t" gnus-summary-toggle-threads
1351 "\M-\C-s" gnus-summary-show-thread
1352 "\M-\C-h" gnus-summary-hide-thread
1353 "\M-\C-f" gnus-summary-next-thread
1354 "\M-\C-b" gnus-summary-prev-thread
1355 [(meta down)] gnus-summary-next-thread
1356 [(meta up)] gnus-summary-prev-thread
1357 "\M-\C-u" gnus-summary-up-thread
1358 "\M-\C-d" gnus-summary-down-thread
1359 "&" gnus-summary-execute-command
1360 "c" gnus-summary-catchup-and-exit
1361 "\C-w" gnus-summary-mark-region-as-read
1362 "\C-t" gnus-summary-toggle-truncation
1363 "?" gnus-summary-mark-as-dormant
1364 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1365 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1366 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1367 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1368 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1369 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1370 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1371 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1372 "=" gnus-summary-expand-window
1373 "\C-x\C-s" gnus-summary-reselect-current-group
1374 "\M-g" gnus-summary-rescan-group
1375 "w" gnus-summary-stop-page-breaking
1376 "\C-c\C-r" gnus-summary-caesar-message
1377 "\M-t" gnus-summary-toggle-mime
1378 "f" gnus-summary-followup
1379 "F" gnus-summary-followup-with-original
1380 "C" gnus-summary-cancel-article
1381 "r" gnus-summary-reply
1382 "R" gnus-summary-reply-with-original
1383 "\C-c\C-f" gnus-summary-mail-forward
1384 "o" gnus-summary-save-article
1385 "\C-o" gnus-summary-save-article-mail
1386 "|" gnus-summary-pipe-output
1387 "\M-k" gnus-summary-edit-local-kill
1388 "\M-K" gnus-summary-edit-global-kill
1390 "\C-c\C-d" gnus-summary-describe-group
1391 "q" gnus-summary-exit
1392 "Q" gnus-summary-exit-no-update
1393 "\C-c\C-i" gnus-info-find-node
1394 gnus-mouse-2 gnus-mouse-pick-article
1395 "m" gnus-summary-mail-other-window
1396 "a" gnus-summary-post-news
1397 "x" gnus-summary-limit-to-unread
1398 "s" gnus-summary-isearch-article
1399 "t" gnus-article-toggle-headers
1400 "g" gnus-summary-show-article
1401 "l" gnus-summary-goto-last-article
1402 "v" gnus-summary-preview-mime-message
1403 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1404 "\C-d" gnus-summary-enter-digest-group
1405 "\M-\C-d" gnus-summary-read-document
1406 "\M-\C-e" gnus-summary-edit-parameters
1407 "\M-\C-a" gnus-summary-customize-parameters
1409 "*" gnus-cache-enter-article
1410 "\M-*" gnus-cache-remove-article
1411 "\M-&" gnus-summary-universal-argument
1412 "\C-l" gnus-recenter
1413 "I" gnus-summary-increase-score
1414 "L" gnus-summary-lower-score
1415 "\M-i" gnus-symbolic-argument
1416 "h" gnus-summary-select-article-buffer
1418 "V" gnus-summary-score-map
1419 "X" gnus-uu-extract-map
1420 "S" gnus-summary-send-map)
1422 ;; Sort of orthogonal keymap
1423 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1424 "t" gnus-summary-tick-article-forward
1425 "!" gnus-summary-tick-article-forward
1426 "d" gnus-summary-mark-as-read-forward
1427 "r" gnus-summary-mark-as-read-forward
1428 "c" gnus-summary-clear-mark-forward
1429 " " gnus-summary-clear-mark-forward
1430 "e" gnus-summary-mark-as-expirable
1431 "x" gnus-summary-mark-as-expirable
1432 "?" gnus-summary-mark-as-dormant
1433 "b" gnus-summary-set-bookmark
1434 "B" gnus-summary-remove-bookmark
1435 "#" gnus-summary-mark-as-processable
1436 "\M-#" gnus-summary-unmark-as-processable
1437 "S" gnus-summary-limit-include-expunged
1438 "C" gnus-summary-catchup
1439 "H" gnus-summary-catchup-to-here
1440 "\C-c" gnus-summary-catchup-all
1441 "k" gnus-summary-kill-same-subject-and-select
1442 "K" gnus-summary-kill-same-subject
1443 "P" gnus-uu-mark-map)
1445 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1446 "c" gnus-summary-clear-above
1447 "u" gnus-summary-tick-above
1448 "m" gnus-summary-mark-above
1449 "k" gnus-summary-kill-below)
1451 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1452 "/" gnus-summary-limit-to-subject
1453 "n" gnus-summary-limit-to-articles
1454 "w" gnus-summary-pop-limit
1455 "s" gnus-summary-limit-to-subject
1456 "a" gnus-summary-limit-to-author
1457 "u" gnus-summary-limit-to-unread
1458 "m" gnus-summary-limit-to-marks
1459 "M" gnus-summary-limit-exclude-marks
1460 "v" gnus-summary-limit-to-score
1461 "*" gnus-summary-limit-include-cached
1462 "D" gnus-summary-limit-include-dormant
1463 "T" gnus-summary-limit-include-thread
1464 "d" gnus-summary-limit-exclude-dormant
1465 "t" gnus-summary-limit-to-age
1466 "x" gnus-summary-limit-to-extra
1467 "E" gnus-summary-limit-include-expunged
1468 "c" gnus-summary-limit-exclude-childless-dormant
1469 "C" gnus-summary-limit-mark-excluded-as-read)
1471 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1472 "n" gnus-summary-next-unread-article
1473 "p" gnus-summary-prev-unread-article
1474 "N" gnus-summary-next-article
1475 "P" gnus-summary-prev-article
1476 "\C-n" gnus-summary-next-same-subject
1477 "\C-p" gnus-summary-prev-same-subject
1478 "\M-n" gnus-summary-next-unread-subject
1479 "\M-p" gnus-summary-prev-unread-subject
1480 "f" gnus-summary-first-unread-article
1481 "b" gnus-summary-best-unread-article
1482 "j" gnus-summary-goto-article
1483 "g" gnus-summary-goto-subject
1484 "l" gnus-summary-goto-last-article
1485 "o" gnus-summary-pop-article)
1487 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1488 "k" gnus-summary-kill-thread
1489 "l" gnus-summary-lower-thread
1490 "i" gnus-summary-raise-thread
1491 "T" gnus-summary-toggle-threads
1492 "t" gnus-summary-rethread-current
1493 "^" gnus-summary-reparent-thread
1494 "s" gnus-summary-show-thread
1495 "S" gnus-summary-show-all-threads
1496 "h" gnus-summary-hide-thread
1497 "H" gnus-summary-hide-all-threads
1498 "n" gnus-summary-next-thread
1499 "p" gnus-summary-prev-thread
1500 "u" gnus-summary-up-thread
1501 "o" gnus-summary-top-thread
1502 "d" gnus-summary-down-thread
1503 "#" gnus-uu-mark-thread
1504 "\M-#" gnus-uu-unmark-thread)
1506 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1507 "g" gnus-summary-prepare
1508 "c" gnus-summary-insert-cached-articles)
1510 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1511 "c" gnus-summary-catchup-and-exit
1512 "C" gnus-summary-catchup-all-and-exit
1513 "E" gnus-summary-exit-no-update
1514 "J" gnus-summary-jump-to-other-group
1515 "Q" gnus-summary-exit
1516 "Z" gnus-summary-exit
1517 "n" gnus-summary-catchup-and-goto-next-group
1518 "R" gnus-summary-reselect-current-group
1519 "G" gnus-summary-rescan-group
1520 "N" gnus-summary-next-group
1521 "s" gnus-summary-save-newsrc
1522 "P" gnus-summary-prev-group)
1524 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1525 " " gnus-summary-next-page
1526 "n" gnus-summary-next-page
1527 "\177" gnus-summary-prev-page
1528 [delete] gnus-summary-prev-page
1529 "p" gnus-summary-prev-page
1530 "\r" gnus-summary-scroll-up
1531 "\M-\r" gnus-summary-scroll-down
1532 "<" gnus-summary-beginning-of-article
1533 ">" gnus-summary-end-of-article
1534 "b" gnus-summary-beginning-of-article
1535 "e" gnus-summary-end-of-article
1536 "^" gnus-summary-refer-parent-article
1537 "r" gnus-summary-refer-parent-article
1538 "D" gnus-summary-enter-digest-group
1539 "R" gnus-summary-refer-references
1540 "T" gnus-summary-refer-thread
1541 "g" gnus-summary-show-article
1542 "s" gnus-summary-isearch-article
1543 "P" gnus-summary-print-article
1544 "t" gnus-article-babel
1545 "d" gnus-summary-decrypt-article
1546 "v" gnus-summary-verify-article)
1548 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1549 "b" gnus-article-add-buttons
1550 "B" gnus-article-add-buttons-to-head
1551 "o" gnus-article-treat-overstrike
1552 "e" gnus-article-emphasize
1553 "w" gnus-article-fill-cited-article
1554 "Q" gnus-article-fill-long-lines
1555 "C" gnus-article-capitalize-sentences
1556 "c" gnus-article-remove-cr
1557 "Z" gnus-article-decode-HZ
1558 "f" gnus-article-display-x-face
1559 "l" gnus-summary-stop-page-breaking
1560 "r" gnus-summary-caesar-message
1561 "t" gnus-article-toggle-headers
1562 "v" gnus-summary-verbose-headers
1563 "m" gnus-summary-toggle-mime
1564 "H" gnus-article-strip-headers-in-body
1565 "d" gnus-article-treat-dumbquotes
1566 "s" gnus-smiley-display)
1568 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1569 "a" gnus-article-hide
1570 "h" gnus-article-toggle-headers
1571 "b" gnus-article-hide-boring-headers
1572 "s" gnus-article-hide-signature
1573 "c" gnus-article-hide-citation
1574 "C" gnus-article-hide-citation-in-followups
1575 "l" gnus-article-hide-list-identifiers
1576 "p" gnus-article-hide-pgp
1577 "B" gnus-article-strip-banner
1578 "P" gnus-article-hide-pem
1579 "\C-c" gnus-article-hide-citation-maybe)
1581 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1582 "a" gnus-article-highlight
1583 "h" gnus-article-highlight-headers
1584 "c" gnus-article-highlight-citation
1585 "s" gnus-article-highlight-signature)
1587 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1588 "z" gnus-article-date-ut
1589 "u" gnus-article-date-ut
1590 "l" gnus-article-date-local
1591 "e" gnus-article-date-lapsed
1592 "o" gnus-article-date-original
1593 "i" gnus-article-date-iso8601
1594 "s" gnus-article-date-user)
1596 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1597 "t" gnus-article-remove-trailing-blank-lines
1598 "l" gnus-article-strip-leading-blank-lines
1599 "m" gnus-article-strip-multiple-blank-lines
1600 "a" gnus-article-strip-blank-lines
1601 "A" gnus-article-strip-all-blank-lines
1602 "s" gnus-article-strip-leading-space
1603 "e" gnus-article-strip-trailing-space)
1605 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1607 "f" gnus-summary-fetch-faq
1608 "d" gnus-summary-describe-group
1609 "h" gnus-summary-describe-briefly
1610 "i" gnus-info-find-node)
1612 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1613 "e" gnus-summary-expire-articles
1614 "\M-\C-e" gnus-summary-expire-articles-now
1615 "\177" gnus-summary-delete-article
1616 [delete] gnus-summary-delete-article
1617 [backspace] gnus-summary-delete-article
1618 "m" gnus-summary-move-article
1619 "r" gnus-summary-respool-article
1620 "w" gnus-summary-edit-article
1621 "c" gnus-summary-copy-article
1622 "B" gnus-summary-crosspost-article
1623 "q" gnus-summary-respool-query
1624 "t" gnus-summary-respool-trace
1625 "i" gnus-summary-import-article
1626 "p" gnus-summary-article-posted-p)
1628 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1629 "o" gnus-summary-save-article
1630 "m" gnus-summary-save-article-mail
1631 "F" gnus-summary-write-article-file
1632 "r" gnus-summary-save-article-rmail
1633 "f" gnus-summary-save-article-file
1634 "b" gnus-summary-save-article-body-file
1635 "h" gnus-summary-save-article-folder
1636 "v" gnus-summary-save-article-vm
1637 "p" gnus-summary-pipe-output
1638 "s" gnus-soup-add-article)
1640 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1641 "b" gnus-summary-display-buttonized
1642 "m" gnus-summary-repair-multipart
1643 "v" gnus-article-view-part
1644 "o" gnus-article-save-part
1645 "c" gnus-article-copy-part
1646 "e" gnus-article-externalize-part
1647 "i" gnus-article-inline-part
1648 "|" gnus-article-pipe-part))
1650 (defun gnus-summary-make-menu-bar ()
1651 (gnus-turn-off-edit-menu 'summary)
1653 (unless (boundp 'gnus-summary-misc-menu)
1656 gnus-summary-kill-menu gnus-summary-mode-map ""
1661 ["Enter score..." gnus-summary-score-entry t]
1662 ["Customize" gnus-score-customize t])
1663 (gnus-make-score-map 'increase)
1664 (gnus-make-score-map 'lower)
1666 ["Kill below" gnus-summary-kill-below t]
1667 ["Mark above" gnus-summary-mark-above t]
1668 ["Tick above" gnus-summary-tick-above t]
1669 ["Clear above" gnus-summary-clear-above t])
1670 ["Current score" gnus-summary-current-score t]
1671 ["Set score" gnus-summary-set-score t]
1672 ["Switch current score file..." gnus-score-change-score-file t]
1673 ["Set mark below..." gnus-score-set-mark-below t]
1674 ["Set expunge below..." gnus-score-set-expunge-below t]
1675 ["Edit current score file" gnus-score-edit-current-scores t]
1676 ["Edit score file" gnus-score-edit-file t]
1677 ["Trace score" gnus-score-find-trace t]
1678 ["Find words" gnus-score-find-favourite-words t]
1679 ["Rescore buffer" gnus-summary-rescore t]
1680 ["Increase score..." gnus-summary-increase-score t]
1681 ["Lower score..." gnus-summary-lower-score t]))))
1683 ;; Define both the Article menu in the summary buffer and the equivalent
1684 ;; Commands menu in the article buffer here for consistency.
1687 ["All" gnus-article-hide t]
1688 ["Headers" gnus-article-toggle-headers t]
1689 ["Signature" gnus-article-hide-signature t]
1690 ["Citation" gnus-article-hide-citation t]
1691 ["List identifiers" gnus-article-hide-list-identifiers t]
1692 ["PGP" gnus-article-hide-pgp t]
1693 ["Banner" gnus-article-strip-banner t]
1694 ["Boring headers" gnus-article-hide-boring-headers t])
1696 ["All" gnus-article-highlight t]
1697 ["Headers" gnus-article-highlight-headers t]
1698 ["Signature" gnus-article-highlight-signature t]
1699 ["Citation" gnus-article-highlight-citation t])
1701 ["Local" gnus-article-date-local t]
1702 ["ISO8601" gnus-article-date-iso8601 t]
1703 ["UT" gnus-article-date-ut t]
1704 ["Original" gnus-article-date-original t]
1705 ["Lapsed" gnus-article-date-lapsed t]
1706 ["User-defined" gnus-article-date-user t])
1709 ["Leading" gnus-article-strip-leading-blank-lines t]
1710 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1711 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1712 ["All of the above" gnus-article-strip-blank-lines t]
1713 ["All" gnus-article-strip-all-blank-lines t]
1714 ["Leading space" gnus-article-strip-leading-space t]
1715 ["Trailing space" gnus-article-strip-trailing-space t])
1716 ["Overstrike" gnus-article-treat-overstrike t]
1717 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1718 ["Emphasis" gnus-article-emphasize t]
1719 ["Word wrap" gnus-article-fill-cited-article t]
1720 ["Fill long lines" gnus-article-fill-long-lines t]
1721 ["Capitalize sentences" gnus-article-capitalize-sentences t]
1722 ["CR" gnus-article-remove-cr t]
1723 ["Show X-Face" gnus-article-display-x-face t]
1724 ["Rot 13" gnus-summary-caesar-message t]
1725 ["Unix pipe" gnus-summary-pipe-message t]
1726 ["Add buttons" gnus-article-add-buttons t]
1727 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1728 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1729 ["Toggle MIME" gnus-summary-toggle-mime t]
1730 ["Verbose header" gnus-summary-verbose-headers t]
1731 ["Toggle header" gnus-summary-toggle-header t]
1732 ["Toggle smileys" gnus-smiley-display t]
1733 ["HZ" gnus-article-decode-HZ t])
1735 ["Save in default format" gnus-summary-save-article t]
1736 ["Save in file" gnus-summary-save-article-file t]
1737 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1738 ["Save in MH folder" gnus-summary-save-article-folder t]
1739 ["Save in VM folder" gnus-summary-save-article-vm t]
1740 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1741 ["Save body in file" gnus-summary-save-article-body-file t]
1742 ["Pipe through a filter" gnus-summary-pipe-output t]
1743 ["Add to SOUP packet" gnus-soup-add-article t]
1744 ["Print" gnus-summary-print-article t])
1746 ["Respool article..." gnus-summary-respool-article t]
1747 ["Move article..." gnus-summary-move-article
1748 (gnus-check-backend-function
1749 'request-move-article gnus-newsgroup-name)]
1750 ["Copy article..." gnus-summary-copy-article t]
1751 ["Crosspost article..." gnus-summary-crosspost-article
1752 (gnus-check-backend-function
1753 'request-replace-article gnus-newsgroup-name)]
1754 ["Import file..." gnus-summary-import-article t]
1755 ["Check if posted" gnus-summary-article-posted-p t]
1756 ["Edit article" gnus-summary-edit-article
1757 (not (gnus-group-read-only-p))]
1758 ["Delete article" gnus-summary-delete-article
1759 (gnus-check-backend-function
1760 'request-expire-articles gnus-newsgroup-name)]
1761 ["Query respool" gnus-summary-respool-query t]
1762 ["Trace respool" gnus-summary-respool-trace t]
1763 ["Delete expirable articles" gnus-summary-expire-articles-now
1764 (gnus-check-backend-function
1765 'request-expire-articles gnus-newsgroup-name)])
1767 ["Uudecode" gnus-uu-decode-uu t]
1768 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1769 ["Unshar" gnus-uu-decode-unshar t]
1770 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1771 ["Save" gnus-uu-decode-save t]
1772 ["Binhex" gnus-uu-decode-binhex t]
1773 ["Postscript" gnus-uu-decode-postscript t])
1775 ["Enter article" gnus-cache-enter-article t]
1776 ["Remove article" gnus-cache-remove-article t])
1777 ["Translate" gnus-article-babel t]
1778 ["Select article buffer" gnus-summary-select-article-buffer t]
1779 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1780 ["Isearch article..." gnus-summary-isearch-article t]
1781 ["Beginning of the article" gnus-summary-beginning-of-article t]
1782 ["End of the article" gnus-summary-end-of-article t]
1783 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1784 ["Fetch referenced articles" gnus-summary-refer-references t]
1785 ["Fetch current thread" gnus-summary-refer-thread t]
1786 ["Fetch article with id..." gnus-summary-refer-article t]
1787 ["Redisplay" gnus-summary-show-article t])))
1789 gnus-summary-article-menu gnus-summary-mode-map ""
1790 (cons "Article" innards))
1793 gnus-article-commands-menu gnus-article-mode-map ""
1794 (cons "Commands" innards)))
1797 gnus-summary-thread-menu gnus-summary-mode-map ""
1799 ["Toggle threading" gnus-summary-toggle-threads t]
1800 ["Hide threads" gnus-summary-hide-all-threads t]
1801 ["Show threads" gnus-summary-show-all-threads t]
1802 ["Hide thread" gnus-summary-hide-thread t]
1803 ["Show thread" gnus-summary-show-thread t]
1804 ["Go to next thread" gnus-summary-next-thread t]
1805 ["Go to previous thread" gnus-summary-prev-thread t]
1806 ["Go down thread" gnus-summary-down-thread t]
1807 ["Go up thread" gnus-summary-up-thread t]
1808 ["Top of thread" gnus-summary-top-thread t]
1809 ["Mark thread as read" gnus-summary-kill-thread t]
1810 ["Lower thread score" gnus-summary-lower-thread t]
1811 ["Raise thread score" gnus-summary-raise-thread t]
1812 ["Rethread current" gnus-summary-rethread-current t]))
1815 gnus-summary-post-menu gnus-summary-mode-map ""
1817 ["Post an article" gnus-summary-post-news t]
1818 ["Followup" gnus-summary-followup t]
1819 ["Followup and yank" gnus-summary-followup-with-original t]
1820 ["Supersede article" gnus-summary-supersede-article t]
1821 ["Cancel article" gnus-summary-cancel-article t]
1822 ["Reply" gnus-summary-reply t]
1823 ["Reply and yank" gnus-summary-reply-with-original t]
1824 ["Wide reply" gnus-summary-wide-reply t]
1825 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1826 ["Mail forward" gnus-summary-mail-forward t]
1827 ["Post forward" gnus-summary-post-forward t]
1828 ["Digest and mail" gnus-uu-digest-mail-forward t]
1829 ["Digest and post" gnus-uu-digest-post-forward t]
1830 ["Resend message" gnus-summary-resend-message t]
1831 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1832 ["Send a mail" gnus-summary-mail-other-window t]
1833 ["Uuencode and post" gnus-uu-post-news t]
1834 ["Followup via news" gnus-summary-followup-to-mail t]
1835 ["Followup via news and yank"
1836 gnus-summary-followup-to-mail-with-original t]
1838 ;;["Send" gnus-summary-send-draft t]
1839 ;;["Send bounced" gnus-resend-bounced-mail t])
1843 gnus-summary-misc-menu gnus-summary-mode-map ""
1846 ["Mark as read" gnus-summary-mark-as-read-forward t]
1847 ["Mark same subject and select"
1848 gnus-summary-kill-same-subject-and-select t]
1849 ["Mark same subject" gnus-summary-kill-same-subject t]
1850 ["Catchup" gnus-summary-catchup t]
1851 ["Catchup all" gnus-summary-catchup-all t]
1852 ["Catchup to here" gnus-summary-catchup-to-here t]
1853 ["Catchup region" gnus-summary-mark-region-as-read t]
1854 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1856 ["Tick" gnus-summary-tick-article-forward t]
1857 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1858 ["Remove marks" gnus-summary-clear-mark-forward t]
1859 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1860 ["Set bookmark" gnus-summary-set-bookmark t]
1861 ["Remove bookmark" gnus-summary-remove-bookmark t])
1863 ["Marks..." gnus-summary-limit-to-marks t]
1864 ["Subject..." gnus-summary-limit-to-subject t]
1865 ["Author..." gnus-summary-limit-to-author t]
1866 ["Age..." gnus-summary-limit-to-age t]
1867 ["Extra..." gnus-summary-limit-to-extra t]
1868 ["Score" gnus-summary-limit-to-score t]
1869 ["Unread" gnus-summary-limit-to-unread t]
1870 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1871 ["Articles" gnus-summary-limit-to-articles t]
1872 ["Pop limit" gnus-summary-pop-limit t]
1873 ["Show dormant" gnus-summary-limit-include-dormant t]
1874 ["Hide childless dormant"
1875 gnus-summary-limit-exclude-childless-dormant t]
1876 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1877 ["Hide marked" gnus-summary-limit-exclude-marks t]
1878 ["Show expunged" gnus-summary-show-all-expunged t])
1880 ["Set mark" gnus-summary-mark-as-processable t]
1881 ["Remove mark" gnus-summary-unmark-as-processable t]
1882 ["Remove all marks" gnus-summary-unmark-all-processable t]
1883 ["Mark above" gnus-uu-mark-over t]
1884 ["Mark series" gnus-uu-mark-series t]
1885 ["Mark region" gnus-uu-mark-region t]
1886 ["Unmark region" gnus-uu-unmark-region t]
1887 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1888 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1889 ["Mark all" gnus-uu-mark-all t]
1890 ["Mark buffer" gnus-uu-mark-buffer t]
1891 ["Mark sparse" gnus-uu-mark-sparse t]
1892 ["Mark thread" gnus-uu-mark-thread t]
1893 ["Unmark thread" gnus-uu-unmark-thread t]
1894 ("Process Mark Sets"
1895 ["Kill" gnus-summary-kill-process-mark t]
1896 ["Yank" gnus-summary-yank-process-mark
1897 gnus-newsgroup-process-stack]
1898 ["Save" gnus-summary-save-process-mark t]))
1900 ["Page forward" gnus-summary-next-page t]
1901 ["Page backward" gnus-summary-prev-page t]
1902 ["Line forward" gnus-summary-scroll-up t])
1904 ["Next unread article" gnus-summary-next-unread-article t]
1905 ["Previous unread article" gnus-summary-prev-unread-article t]
1906 ["Next article" gnus-summary-next-article t]
1907 ["Previous article" gnus-summary-prev-article t]
1908 ["Next unread subject" gnus-summary-next-unread-subject t]
1909 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1910 ["Next article same subject" gnus-summary-next-same-subject t]
1911 ["Previous article same subject" gnus-summary-prev-same-subject t]
1912 ["First unread article" gnus-summary-first-unread-article t]
1913 ["Best unread article" gnus-summary-best-unread-article t]
1914 ["Go to subject number..." gnus-summary-goto-subject t]
1915 ["Go to article number..." gnus-summary-goto-article t]
1916 ["Go to the last article" gnus-summary-goto-last-article t]
1917 ["Pop article off history" gnus-summary-pop-article t])
1919 ["Sort by number" gnus-summary-sort-by-number t]
1920 ["Sort by author" gnus-summary-sort-by-author t]
1921 ["Sort by subject" gnus-summary-sort-by-subject t]
1922 ["Sort by date" gnus-summary-sort-by-date t]
1923 ["Sort by score" gnus-summary-sort-by-score t]
1924 ["Sort by lines" gnus-summary-sort-by-lines t]
1925 ["Sort by characters" gnus-summary-sort-by-chars t])
1927 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1928 ["Describe group" gnus-summary-describe-group t]
1929 ["Read manual" gnus-info-find-node t])
1931 ["Pick and read" gnus-pick-mode t]
1932 ["Binary" gnus-binary-mode t])
1934 ["Regenerate" gnus-summary-prepare t]
1935 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1936 ["Toggle threading" gnus-summary-toggle-threads t])
1937 ["Filter articles..." gnus-summary-execute-command t]
1938 ["Run command on subjects..." gnus-summary-universal-argument t]
1939 ["Search articles forward..." gnus-summary-search-article-forward t]
1940 ["Search articles backward..." gnus-summary-search-article-backward t]
1941 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1942 ["Expand window" gnus-summary-expand-window t]
1943 ["Expire expirable articles" gnus-summary-expire-articles
1944 (gnus-check-backend-function
1945 'request-expire-articles gnus-newsgroup-name)]
1946 ["Edit local kill file" gnus-summary-edit-local-kill t]
1947 ["Edit main kill file" gnus-summary-edit-global-kill t]
1948 ["Edit group parameters" gnus-summary-edit-parameters t]
1949 ["Customize group parameters" gnus-summary-customize-parameters t]
1950 ["Send a bug report" gnus-bug t]
1952 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1953 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
1954 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1955 ["Exit group" gnus-summary-exit t]
1956 ["Exit group without updating" gnus-summary-exit-no-update t]
1957 ["Exit and goto next group" gnus-summary-next-group t]
1958 ["Exit and goto prev group" gnus-summary-prev-group t]
1959 ["Reselect group" gnus-summary-reselect-current-group t]
1960 ["Rescan group" gnus-summary-rescan-group t]
1961 ["Update dribble" gnus-summary-save-newsrc t])))
1963 (gnus-run-hooks 'gnus-summary-menu-hook)))
1965 (defun gnus-score-set-default (var value)
1966 "A version of set that updates the GNU Emacs menu-bar."
1968 ;; It is the message that forces the active status to be updated.
1971 (defun gnus-make-score-map (type)
1972 "Make a summary score map of type TYPE."
1975 (let ((headers '(("author" "from" string)
1976 ("subject" "subject" string)
1977 ("article body" "body" string)
1978 ("article head" "head" string)
1979 ("xref" "xref" string)
1980 ("extra header" "extra" string)
1981 ("lines" "lines" number)
1982 ("followups to author" "followup" string)))
1983 (types '((number ("less than" <)
1986 (string ("substring" s)
1990 (perms '(("temporary" (current-time-string))
1998 (if (eq type 'lower)
2003 (setq header (car headers))
2009 (let ((ts (cdr (assoc (nth 2 header) types)))
2025 'gnus-summary-score-entry
2027 (if (or (string= (nth 1 header)
2029 (string= (nth 1 header)
2032 (list 'gnus-summary-header
2034 (list 'quote (nth 1 (car ts)))
2035 (list 'gnus-score-delta-default
2042 (list (nreverse outp))))
2045 (list (nreverse outt))))
2047 (setq headers (cdr headers)))
2048 (list (nreverse outh))))))))
2052 (defun gnus-summary-mode (&optional group)
2053 "Major mode for reading articles.
2055 All normal editing commands are switched off.
2056 \\<gnus-summary-mode-map>
2057 Each line in this buffer represents one article. To read an
2058 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2059 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2062 You can also post articles and send mail from this buffer. To
2063 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2064 of an article, type `\\[gnus-summary-reply]'.
2066 There are approx. one gazillion commands you can execute in this
2067 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2069 The following commands are available:
2071 \\{gnus-summary-mode-map}"
2073 (when (gnus-visual-p 'summary-menu 'menu)
2074 (gnus-summary-make-menu-bar))
2075 (kill-all-local-variables)
2076 (gnus-summary-make-local-variables)
2077 (gnus-make-thread-indent-array)
2078 (gnus-simplify-mode-line)
2079 (setq major-mode 'gnus-summary-mode)
2080 (setq mode-name "Summary")
2081 (make-local-variable 'minor-mode-alist)
2082 (use-local-map gnus-summary-mode-map)
2083 (buffer-disable-undo)
2084 (setq buffer-read-only t) ;Disable modification
2085 (setq truncate-lines t)
2086 (setq selective-display t)
2087 (setq selective-display-ellipses t) ;Display `...'
2088 (gnus-summary-set-display-table)
2089 (gnus-set-default-directory)
2090 (setq gnus-newsgroup-name group)
2091 (unless (gnus-news-group-p group)
2092 (setq gnus-newsgroup-incorporated
2093 (nnmail-new-mail-numbers (gnus-group-real-name group))))
2094 (make-local-variable 'gnus-summary-line-format)
2095 (make-local-variable 'gnus-summary-line-format-spec)
2096 (make-local-variable 'gnus-summary-dummy-line-format)
2097 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2098 (make-local-variable 'gnus-summary-mark-positions)
2099 (make-local-hook 'pre-command-hook)
2100 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2101 (gnus-run-hooks 'gnus-summary-mode-hook)
2102 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2103 (gnus-update-summary-mark-positions))
2105 (defun gnus-summary-make-local-variables ()
2106 "Make all the local summary buffer variables."
2108 (dolist (local gnus-summary-local-variables)
2111 (if (eq (cdr local) 'global)
2112 ;; Copy the global value of the variable.
2113 (setq global (symbol-value (car local)))
2114 ;; Use the value from the list.
2115 (setq global (eval (cdr local))))
2116 (set (make-local-variable (car local)) global))
2117 ;; Simple nil-valued local variable.
2118 (set (make-local-variable local) nil)))))
2120 (defun gnus-summary-clear-local-variables ()
2121 (let ((locals gnus-summary-local-variables))
2123 (if (consp (car locals))
2124 (and (vectorp (caar locals))
2125 (set (caar locals) nil))
2126 (and (vectorp (car locals))
2127 (set (car locals) nil)))
2128 (setq locals (cdr locals)))))
2130 ;; Summary data functions.
2132 (defmacro gnus-data-number (data)
2135 (defmacro gnus-data-set-number (data number)
2136 `(setcar ,data ,number))
2138 (defmacro gnus-data-mark (data)
2141 (defmacro gnus-data-set-mark (data mark)
2142 `(setcar (nthcdr 1 ,data) ,mark))
2144 (defmacro gnus-data-pos (data)
2147 (defmacro gnus-data-set-pos (data pos)
2148 `(setcar (nthcdr 2 ,data) ,pos))
2150 (defmacro gnus-data-header (data)
2153 (defmacro gnus-data-set-header (data header)
2154 `(setcar (nthcdr 3 ,data) ,header))
2156 (defmacro gnus-data-level (data)
2159 (defmacro gnus-data-unread-p (data)
2160 `(= (nth 1 ,data) gnus-unread-mark))
2162 (defmacro gnus-data-read-p (data)
2163 `(/= (nth 1 ,data) gnus-unread-mark))
2165 (defmacro gnus-data-pseudo-p (data)
2166 `(consp (nth 3 ,data)))
2168 (defmacro gnus-data-find (number)
2169 `(assq ,number gnus-newsgroup-data))
2171 (defmacro gnus-data-find-list (number &optional data)
2172 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2173 (memq (assq ,number bdata)
2176 (defmacro gnus-data-make (number mark pos header level)
2177 `(list ,number ,mark ,pos ,header ,level))
2179 (defun gnus-data-enter (after-article number mark pos header level offset)
2180 (let ((data (gnus-data-find-list after-article)))
2182 (error "No such article: %d" after-article))
2183 (setcdr data (cons (gnus-data-make number mark pos header level)
2185 (setq gnus-newsgroup-data-reverse nil)
2186 (gnus-data-update-list (cddr data) offset)))
2188 (defun gnus-data-enter-list (after-article list &optional offset)
2190 (let ((data (and after-article (gnus-data-find-list after-article)))
2194 (let ((odata gnus-newsgroup-data))
2195 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2197 (gnus-data-update-list odata offset)))
2198 ;; Find the last element in the list to be spliced into the main
2201 (setq list (cdr list)))
2204 (setcdr list gnus-newsgroup-data)
2205 (setq gnus-newsgroup-data ilist)
2207 (gnus-data-update-list (cdr list) offset)))
2208 (setcdr list (cdr data))
2211 (gnus-data-update-list (cdr list) offset))))
2212 (setq gnus-newsgroup-data-reverse nil))))
2214 (defun gnus-data-remove (article &optional offset)
2215 (let ((data gnus-newsgroup-data))
2216 (if (= (gnus-data-number (car data)) article)
2218 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2219 gnus-newsgroup-data-reverse nil)
2221 (gnus-data-update-list gnus-newsgroup-data offset)))
2223 (when (= (gnus-data-number (cadr data)) article)
2224 (setcdr data (cddr data))
2226 (gnus-data-update-list (cdr data) offset))
2228 gnus-newsgroup-data-reverse nil))
2229 (setq data (cdr data))))))
2231 (defmacro gnus-data-list (backward)
2233 (or gnus-newsgroup-data-reverse
2234 (setq gnus-newsgroup-data-reverse
2235 (reverse gnus-newsgroup-data)))
2236 gnus-newsgroup-data))
2238 (defun gnus-data-update-list (data offset)
2239 "Add OFFSET to the POS of all data entries in DATA."
2240 (setq gnus-newsgroup-data-reverse nil)
2242 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2243 (setq data (cdr data))))
2245 (defun gnus-summary-article-pseudo-p (article)
2246 "Say whether this article is a pseudo article or not."
2247 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2249 (defmacro gnus-summary-article-sparse-p (article)
2250 "Say whether this article is a sparse article or not."
2251 `(memq ,article gnus-newsgroup-sparse))
2253 (defmacro gnus-summary-article-ancient-p (article)
2254 "Say whether this article is a sparse article or not."
2255 `(memq ,article gnus-newsgroup-ancient))
2257 (defun gnus-article-parent-p (number)
2258 "Say whether this article is a parent or not."
2259 (let ((data (gnus-data-find-list number)))
2260 (and (cdr data) ; There has to be an article after...
2261 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2262 (gnus-data-level (nth 1 data))))))
2264 (defun gnus-article-children (number)
2265 "Return a list of all children to NUMBER."
2266 (let* ((data (gnus-data-find-list number))
2267 (level (gnus-data-level (car data)))
2269 (setq data (cdr data))
2271 (= (gnus-data-level (car data)) (1+ level)))
2272 (push (gnus-data-number (car data)) children)
2273 (setq data (cdr data)))
2276 (defmacro gnus-summary-skip-intangible ()
2277 "If the current article is intangible, then jump to a different article."
2278 '(let ((to (get-text-property (point) 'gnus-intangible)))
2279 (and to (gnus-summary-goto-subject to))))
2281 (defmacro gnus-summary-article-intangible-p ()
2282 "Say whether this article is intangible or not."
2283 '(get-text-property (point) 'gnus-intangible))
2285 (defun gnus-article-read-p (article)
2286 "Say whether ARTICLE is read or not."
2287 (not (or (memq article gnus-newsgroup-marked)
2288 (memq article gnus-newsgroup-unreads)
2289 (memq article gnus-newsgroup-unselected)
2290 (memq article gnus-newsgroup-dormant))))
2292 ;; Some summary mode macros.
2294 (defmacro gnus-summary-article-number ()
2295 "The article number of the article on the current line.
2296 If there isn's an article number here, then we return the current
2299 (gnus-summary-skip-intangible)
2300 (or (get-text-property (point) 'gnus-number)
2301 (gnus-summary-last-subject))))
2303 (defmacro gnus-summary-article-header (&optional number)
2304 "Return the header of article NUMBER."
2305 `(gnus-data-header (gnus-data-find
2306 ,(or number '(gnus-summary-article-number)))))
2308 (defmacro gnus-summary-thread-level (&optional number)
2309 "Return the level of thread that starts with article NUMBER."
2310 `(if (and (eq gnus-summary-make-false-root 'dummy)
2311 (get-text-property (point) 'gnus-intangible))
2313 (gnus-data-level (gnus-data-find
2314 ,(or number '(gnus-summary-article-number))))))
2316 (defmacro gnus-summary-article-mark (&optional number)
2317 "Return the mark of article NUMBER."
2318 `(gnus-data-mark (gnus-data-find
2319 ,(or number '(gnus-summary-article-number)))))
2321 (defmacro gnus-summary-article-pos (&optional number)
2322 "Return the position of the line of article NUMBER."
2323 `(gnus-data-pos (gnus-data-find
2324 ,(or number '(gnus-summary-article-number)))))
2326 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2327 (defmacro gnus-summary-article-subject (&optional number)
2328 "Return current subject string or nil if nothing."
2331 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2332 '(gnus-data-header (assq (gnus-summary-article-number)
2333 gnus-newsgroup-data)))))
2336 (mail-header-subject headers))))
2338 (defmacro gnus-summary-article-score (&optional number)
2339 "Return current article score."
2340 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2341 gnus-newsgroup-scored))
2342 gnus-summary-default-score 0))
2344 (defun gnus-summary-article-children (&optional number)
2345 "Return a list of article numbers that are children of article NUMBER."
2346 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2347 (level (gnus-data-level (car data)))
2349 (while (and (setq data (cdr data))
2350 (> (setq l (gnus-data-level (car data))) level))
2351 (and (= (1+ level) l)
2352 (push (gnus-data-number (car data))
2354 (nreverse children)))
2356 (defun gnus-summary-article-parent (&optional number)
2357 "Return the article number of the parent of article NUMBER."
2358 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2359 (gnus-data-list t)))
2360 (level (gnus-data-level (car data))))
2362 () ; This is a root.
2363 ;; We search until we find an article with a level less than
2364 ;; this one. That function has to be the parent.
2365 (while (and (setq data (cdr data))
2366 (not (< (gnus-data-level (car data)) level))))
2367 (and data (gnus-data-number (car data))))))
2369 (defun gnus-unread-mark-p (mark)
2370 "Say whether MARK is the unread mark."
2371 (= mark gnus-unread-mark))
2373 (defun gnus-read-mark-p (mark)
2374 "Say whether MARK is one of the marks that mark as read.
2375 This is all marks except unread, ticked, dormant, and expirable."
2376 (not (or (= mark gnus-unread-mark)
2377 (= mark gnus-ticked-mark)
2378 (= mark gnus-dormant-mark)
2379 (= mark gnus-expirable-mark))))
2381 (defmacro gnus-article-mark (number)
2382 "Return the MARK of article NUMBER.
2383 This macro should only be used when computing the mark the \"first\"
2384 time; i.e., when generating the summary lines. After that,
2385 `gnus-summary-article-mark' should be used to examine the
2388 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2389 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2390 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2391 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2392 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2393 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2394 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2395 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2396 gnus-ancient-mark))))
2398 ;; Saving hidden threads.
2400 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2401 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2403 (defmacro gnus-save-hidden-threads (&rest forms)
2404 "Save hidden threads, eval FORMS, and restore the hidden threads."
2405 (let ((config (make-symbol "config")))
2406 `(let ((,config (gnus-hidden-threads-configuration)))
2410 (gnus-restore-hidden-threads-configuration ,config)))))
2412 (defun gnus-data-compute-positions ()
2413 "Compute the positions of all articles."
2414 (setq gnus-newsgroup-data-reverse nil)
2415 (let ((data gnus-newsgroup-data))
2417 (gnus-save-hidden-threads
2418 (gnus-summary-show-all-threads)
2419 (goto-char (point-min))
2421 (while (get-text-property (point) 'gnus-intangible)
2423 (gnus-data-set-pos (car data) (+ (point) 3))
2424 (setq data (cdr data))
2425 (forward-line 1))))))
2427 (defun gnus-hidden-threads-configuration ()
2428 "Return the current hidden threads configuration."
2431 (goto-char (point-min))
2432 (while (search-forward "\r" nil t)
2433 (push (1- (point)) config))
2436 (defun gnus-restore-hidden-threads-configuration (config)
2437 "Restore hidden threads configuration from CONFIG."
2438 (let (point buffer-read-only)
2439 (while (setq point (pop config))
2440 (when (and (< point (point-max))
2442 (eq (char-after) ?\n))
2443 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2445 ;; Various summary mode internalish functions.
2447 (defun gnus-mouse-pick-article (e)
2450 (gnus-summary-next-page nil t))
2452 (defun gnus-summary-set-display-table ()
2453 ;; Change the display table. Odd characters have a tendency to mess
2454 ;; up nicely formatted displays - we make all possible glyphs
2455 ;; display only a single character.
2457 ;; We start from the standard display table, if any.
2458 (let ((table (or (copy-sequence standard-display-table)
2459 (make-display-table)))
2461 ;; Nix out all the control chars...
2462 (while (>= (setq i (1- i)) 0)
2463 (aset table i [??]))
2464 ;; ... but not newline and cr, of course. (cr is necessary for the
2465 ;; selective display).
2466 (aset table ?\n nil)
2467 (aset table ?\r nil)
2468 ;; We keep TAB as well.
2469 (aset table ?\t nil)
2470 ;; We nix out any glyphs over 126 that are not set already.
2472 (while (>= (setq i (1- i)) 127)
2473 ;; Only modify if the entry is nil.
2474 (unless (aref table i)
2475 (aset table i [??]))))
2476 (setq buffer-display-table table)))
2478 (defun gnus-summary-setup-buffer (group)
2479 "Initialize summary buffer."
2480 (let ((buffer (concat "*Summary " group "*")))
2481 (if (get-buffer buffer)
2484 (setq gnus-summary-buffer (current-buffer))
2485 (not gnus-newsgroup-prepared))
2486 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2487 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2488 (gnus-summary-mode group)
2490 (gnus-carpal-setup-buffer 'summary))
2491 (unless gnus-single-article-buffer
2492 (make-local-variable 'gnus-article-buffer)
2493 (make-local-variable 'gnus-article-current)
2494 (make-local-variable 'gnus-original-article-buffer))
2495 (setq gnus-newsgroup-name group)
2498 (defun gnus-set-global-variables ()
2499 ;; Set the global equivalents of the summary buffer-local variables
2500 ;; to the latest values they had. These reflect the summary buffer
2501 ;; that was in action when the last article was fetched.
2502 (when (eq major-mode 'gnus-summary-mode)
2503 (setq gnus-summary-buffer (current-buffer))
2504 (let ((name gnus-newsgroup-name)
2505 (marked gnus-newsgroup-marked)
2506 (unread gnus-newsgroup-unreads)
2507 (headers gnus-current-headers)
2508 (data gnus-newsgroup-data)
2509 (summary gnus-summary-buffer)
2510 (article-buffer gnus-article-buffer)
2511 (original gnus-original-article-buffer)
2512 (gac gnus-article-current)
2513 (reffed gnus-reffed-article-number)
2514 (score-file gnus-current-score-file)
2515 (default-charset gnus-newsgroup-charset))
2517 (set-buffer gnus-group-buffer)
2518 (setq gnus-newsgroup-name name
2519 gnus-newsgroup-marked marked
2520 gnus-newsgroup-unreads unread
2521 gnus-current-headers headers
2522 gnus-newsgroup-data data
2523 gnus-article-current gac
2524 gnus-summary-buffer summary
2525 gnus-article-buffer article-buffer
2526 gnus-original-article-buffer original
2527 gnus-reffed-article-number reffed
2528 gnus-current-score-file score-file
2529 gnus-newsgroup-charset default-charset)
2530 ;; The article buffer also has local variables.
2531 (when (gnus-buffer-live-p gnus-article-buffer)
2532 (set-buffer gnus-article-buffer)
2533 (setq gnus-summary-buffer summary))))))
2535 (defun gnus-summary-article-unread-p (article)
2536 "Say whether ARTICLE is unread or not."
2537 (memq article gnus-newsgroup-unreads))
2539 (defun gnus-summary-first-article-p (&optional article)
2540 "Return whether ARTICLE is the first article in the buffer."
2541 (if (not (setq article (or article (gnus-summary-article-number))))
2543 (eq article (caar gnus-newsgroup-data))))
2545 (defun gnus-summary-last-article-p (&optional article)
2546 "Return whether ARTICLE is the last article in the buffer."
2547 (if (not (setq article (or article (gnus-summary-article-number))))
2548 ;; All non-existent numbers are the last article. :-)
2550 (not (cdr (gnus-data-find-list article)))))
2552 (defun gnus-make-thread-indent-array ()
2554 (unless (and gnus-thread-indent-array
2555 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2556 (setq gnus-thread-indent-array (make-vector 201 "")
2557 gnus-thread-indent-array-level gnus-thread-indent-level)
2559 (aset gnus-thread-indent-array n
2560 (make-string (* n gnus-thread-indent-level) ? ))
2563 (defun gnus-update-summary-mark-positions ()
2564 "Compute where the summary marks are to go."
2566 (when (gnus-buffer-exists-p gnus-summary-buffer)
2567 (set-buffer gnus-summary-buffer))
2568 (let ((gnus-replied-mark 129)
2569 (gnus-score-below-mark 130)
2570 (gnus-score-over-mark 130)
2571 (gnus-download-mark 131)
2572 (spec gnus-summary-line-format-spec)
2575 (gnus-set-work-buffer)
2576 (let ((gnus-summary-line-format-spec spec)
2577 (gnus-newsgroup-downloadable '((0 . t))))
2578 (gnus-summary-insert-line
2579 (make-full-mail-header 0 "" "nobody" "" "" "" 0 0 "" nil)
2580 0 nil 128 t nil "" nil 1)
2581 (goto-char (point-min))
2582 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2584 (goto-char (point-min))
2585 (push (cons 'replied (and (search-forward "\201" nil t)
2588 (goto-char (point-min))
2589 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2591 (goto-char (point-min))
2592 (push (cons 'download
2593 (and (search-forward "\203" nil t) (- (point) 2)))
2595 (setq gnus-summary-mark-positions pos))))
2597 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2598 "Insert a dummy root in the summary buffer."
2600 (gnus-add-text-properties
2601 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2602 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2604 (defun gnus-summary-from-or-to-or-newsgroups (header)
2605 (let ((to (cdr (assq 'To (mail-header-extra header))))
2606 (newsgroups (cdr (assq 'Newsgroups (mail-header-extra header))))
2607 (default-mime-charset (with-current-buffer gnus-summary-buffer
2608 default-mime-charset)))
2611 gnus-ignored-from-addresses
2612 (string-match gnus-ignored-from-addresses
2613 (mail-header-from header)))
2615 (or (car (funcall gnus-extract-address-components
2617 gnus-decode-encoded-word-function to)))
2618 (funcall gnus-decode-encoded-word-function to))))
2620 gnus-ignored-from-addresses
2621 (string-match gnus-ignored-from-addresses
2622 (mail-header-from header)))
2623 (concat "=> " newsgroups))
2625 (or (car (funcall gnus-extract-address-components
2626 (mail-header-from header)))
2627 (mail-header-from header))))))
2629 (defun gnus-summary-insert-line (gnus-tmp-header
2630 gnus-tmp-level gnus-tmp-current
2631 gnus-tmp-unread gnus-tmp-replied
2632 gnus-tmp-expirable gnus-tmp-subject-or-nil
2633 &optional gnus-tmp-dummy gnus-tmp-score
2635 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2636 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2637 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2638 (gnus-tmp-score-char
2639 (if (or (null gnus-summary-default-score)
2640 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2641 gnus-summary-zcore-fuzz))
2643 (if (< gnus-tmp-score gnus-summary-default-score)
2644 gnus-score-below-mark gnus-score-over-mark)))
2646 (cond (gnus-tmp-process gnus-process-mark)
2647 ((memq gnus-tmp-current gnus-newsgroup-cached)
2649 (gnus-tmp-replied gnus-replied-mark)
2650 ((memq gnus-tmp-current gnus-newsgroup-saved)
2652 (t gnus-unread-mark)))
2653 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2656 ((string-match "<[^>]+> *$" gnus-tmp-from)
2657 (let ((beg (match-beginning 0)))
2658 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2659 (substring gnus-tmp-from (1+ (match-beginning 0))
2660 (1- (match-end 0))))
2661 (substring gnus-tmp-from 0 beg))))
2662 ((string-match "(.+)" gnus-tmp-from)
2663 (substring gnus-tmp-from
2664 (1+ (match-beginning 0)) (1- (match-end 0))))
2666 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2667 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2668 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2669 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2670 (buffer-read-only nil))
2671 (when (string= gnus-tmp-name "")
2672 (setq gnus-tmp-name gnus-tmp-from))
2673 (unless (numberp gnus-tmp-lines)
2674 (setq gnus-tmp-lines 0))
2675 (gnus-put-text-property-excluding-characters-with-faces
2677 (progn (eval gnus-summary-line-format-spec) (point))
2678 'gnus-number gnus-tmp-number)
2679 (when (gnus-visual-p 'summary-highlight 'highlight)
2681 (gnus-run-hooks 'gnus-summary-update-hook)
2684 (defun gnus-summary-update-line (&optional dont-update)
2685 ;; Update summary line after change.
2686 (when (and gnus-summary-default-score
2687 (not gnus-summary-inhibit-highlight))
2688 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2689 (article (gnus-summary-article-number))
2690 (score (gnus-summary-article-score article)))
2692 (if (and gnus-summary-mark-below
2693 (< (gnus-summary-article-score)
2694 gnus-summary-mark-below))
2695 ;; This article has a low score, so we mark it as read.
2696 (when (memq article gnus-newsgroup-unreads)
2697 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2698 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2699 ;; This article was previously marked as read on account
2700 ;; of a low score, but now it has risen, so we mark it as
2702 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2703 (gnus-summary-update-mark
2704 (if (or (null gnus-summary-default-score)
2705 (<= (abs (- score gnus-summary-default-score))
2706 gnus-summary-zcore-fuzz))
2708 (if (< score gnus-summary-default-score)
2709 gnus-score-below-mark gnus-score-over-mark))
2711 ;; Do visual highlighting.
2712 (when (gnus-visual-p 'summary-highlight 'highlight)
2713 (gnus-run-hooks 'gnus-summary-update-hook)))))
2715 (defvar gnus-tmp-new-adopts nil)
2717 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2718 "Return the number of articles in THREAD.
2719 This may be 0 in some cases -- if none of the articles in
2720 the thread are to be displayed."
2722 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2724 ((not (listp thread))
2726 ((and (consp thread) (cdr thread))
2729 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2732 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2735 (when (and level (zerop level) gnus-tmp-new-adopts)
2738 'gnus-summary-number-of-articles-in-thread
2739 gnus-tmp-new-adopts))))
2741 (if (> number 1) gnus-not-empty-thread-mark
2742 gnus-empty-thread-mark)
2745 (defun gnus-summary-set-local-parameters (group)
2746 "Go through the local params of GROUP and set all variable specs in that list."
2747 (let ((params (gnus-group-find-parameter group))
2750 (setq elem (car params)
2751 params (cdr params))
2752 (and (consp elem) ; Has to be a cons.
2753 (consp (cdr elem)) ; The cdr has to be a list.
2754 (symbolp (car elem)) ; Has to be a symbol in there.
2755 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2756 (ignore-errors ; So we set it.
2757 (make-local-variable (car elem))
2758 (set (car elem) (eval (nth 1 elem))))))))
2760 (defun gnus-summary-read-group (group &optional show-all no-article
2761 kill-buffer no-display backward
2763 "Start reading news in newsgroup GROUP.
2764 If SHOW-ALL is non-nil, already read articles are also listed.
2765 If NO-ARTICLE is non-nil, no article is selected initially.
2766 If NO-DISPLAY, don't generate a summary buffer."
2770 (let ((gnus-auto-select-next nil))
2771 (or (gnus-summary-read-group-1
2772 group show-all no-article
2773 kill-buffer no-display
2776 select-articles nil)))))
2777 (eq gnus-auto-select-next 'quietly))
2778 (set-buffer gnus-group-buffer)
2779 ;; The entry function called above goes to the next
2780 ;; group automatically, so we go two groups back
2781 ;; if we are searching for the previous group.
2783 (gnus-group-prev-unread-group 2))
2784 (if (not (equal group (gnus-group-group-name)))
2785 (setq group (gnus-group-group-name))
2789 (defun gnus-summary-jump-to-other-group (group &optional show-all)
2790 "Directly jump to the other GROUP from summary buffer.
2791 If SHOW-ALL is non-nil, already read articles are also listed."
2793 (if (eq gnus-summary-buffer (current-buffer))
2794 (list (completing-read
2795 "Group: " gnus-active-hashtb nil t
2796 (when (and gnus-newsgroup-name
2797 (string-match "[.:][^.:]+$" gnus-newsgroup-name))
2798 (substring gnus-newsgroup-name 0 (1+ (match-beginning 0))))
2799 'gnus-group-history)
2801 (error "%s must be invoked from a gnus summary buffer." this-command)))
2802 (unless (or (zerop (length group))
2803 (and gnus-newsgroup-name
2804 (string-equal gnus-newsgroup-name group)))
2806 (gnus-summary-read-group group show-all
2807 gnus-dont-select-after-jump-to-other-group)))
2809 (defun gnus-summary-read-group-1 (group show-all no-article
2810 kill-buffer no-display
2811 &optional select-articles)
2812 ;; Killed foreign groups can't be entered.
2813 (when (and (not (gnus-group-native-p group))
2814 (not (gnus-gethash group gnus-newsrc-hashtb)))
2815 (error "Dead non-native groups can't be entered"))
2816 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2817 (let* ((new-group (gnus-summary-setup-buffer group))
2818 (quit-config (gnus-group-quit-config group))
2819 (did-select (and new-group (gnus-select-newsgroup
2820 group show-all select-articles))))
2822 ;; This summary buffer exists already, so we just select it.
2824 (gnus-set-global-variables)
2826 (gnus-kill-or-deaden-summary kill-buffer))
2827 (gnus-configure-windows 'summary 'force)
2828 (gnus-set-mode-line 'summary)
2829 (gnus-summary-position-point)
2832 ;; We couldn't select this group.
2834 (when (and (eq major-mode 'gnus-summary-mode)
2835 (not (equal (current-buffer) kill-buffer)))
2836 (kill-buffer (current-buffer))
2837 (if (not quit-config)
2839 ;; Update the info -- marks might need to be removed,
2841 (gnus-summary-update-info)
2842 (set-buffer gnus-group-buffer)
2843 (gnus-group-jump-to-group group)
2844 (gnus-group-next-unread-group 1))
2845 (gnus-handle-ephemeral-exit quit-config)))
2846 (gnus-message 3 "Can't select group")
2848 ;; The user did a `C-g' while prompting for number of articles,
2849 ;; so we exit this group.
2850 ((eq did-select 'quit)
2851 (and (eq major-mode 'gnus-summary-mode)
2852 (not (equal (current-buffer) kill-buffer))
2853 (kill-buffer (current-buffer)))
2855 (gnus-kill-or-deaden-summary kill-buffer))
2856 (if (not quit-config)
2858 (set-buffer gnus-group-buffer)
2859 (gnus-group-jump-to-group group)
2860 (gnus-group-next-unread-group 1)
2861 (gnus-configure-windows 'group 'force))
2862 (gnus-handle-ephemeral-exit quit-config))
2863 ;; Finally signal the quit.
2865 ;; The group was successfully selected.
2867 (gnus-set-global-variables)
2868 ;; Save the active value in effect when the group was entered.
2869 (setq gnus-newsgroup-active
2871 (gnus-active gnus-newsgroup-name)))
2872 ;; You can change the summary buffer in some way with this hook.
2873 (gnus-run-hooks 'gnus-select-group-hook)
2874 ;; Set any local variables in the group parameters.
2875 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2876 (gnus-update-format-specifications
2877 nil 'summary 'summary-mode 'summary-dummy)
2878 (gnus-update-summary-mark-positions)
2879 ;; Do score processing.
2880 (when gnus-use-scoring
2881 (gnus-possibly-score-headers))
2882 ;; Check whether to fill in the gaps in the threads.
2883 (when gnus-build-sparse-threads
2884 (gnus-build-sparse-threads))
2885 ;; Find the initial limit.
2886 (if gnus-show-threads
2888 (let ((gnus-newsgroup-dormant nil))
2889 (gnus-summary-initial-limit show-all))
2890 (gnus-summary-initial-limit show-all))
2891 ;; When untreaded, all articles are always shown.
2892 (setq gnus-newsgroup-limit
2894 (lambda (header) (mail-header-number header))
2895 gnus-newsgroup-headers)))
2896 ;; Generate the summary buffer.
2898 (gnus-summary-prepare))
2899 (when gnus-use-trees
2900 (gnus-tree-open group)
2901 (setq gnus-summary-highlight-line-function
2902 'gnus-tree-highlight-article))
2903 ;; If the summary buffer is empty, but there are some low-scored
2904 ;; articles or some excluded dormants, we include these in the
2906 (when (and (zerop (buffer-size))
2908 (cond (gnus-newsgroup-dormant
2909 (gnus-summary-limit-include-dormant))
2910 ((and gnus-newsgroup-scored show-all)
2911 (gnus-summary-limit-include-expunged t))))
2912 ;; Function `gnus-apply-kill-file' must be called in this hook.
2913 (gnus-run-hooks 'gnus-apply-kill-hook)
2914 (if (and (zerop (buffer-size))
2917 ;; This newsgroup is empty.
2918 (gnus-summary-catchup-and-exit nil t)
2919 (gnus-message 6 "No unread news")
2921 (gnus-kill-or-deaden-summary kill-buffer))
2922 ;; Return nil from this function.
2924 ;; Hide conversation thread subtrees. We cannot do this in
2925 ;; gnus-summary-prepare-hook since kill processing may not
2926 ;; work with hidden articles.
2927 (and gnus-show-threads
2928 gnus-thread-hide-subtree
2929 (gnus-summary-hide-all-threads))
2931 (gnus-kill-or-deaden-summary kill-buffer))
2932 ;; Show first unread article if requested.
2933 (if (and (not no-article)
2935 gnus-newsgroup-unreads
2936 gnus-auto-select-first)
2938 (gnus-configure-windows 'summary)
2940 ((eq gnus-auto-select-first 'best)
2941 (gnus-summary-best-unread-article))
2942 ((eq gnus-auto-select-first t)
2943 (gnus-summary-first-unread-article))
2944 ((gnus-functionp gnus-auto-select-first)
2945 (funcall gnus-auto-select-first))))
2946 ;; Don't select any articles, just move point to the first
2947 ;; article in the group.
2948 (goto-char (point-min))
2949 (gnus-summary-position-point)
2950 (gnus-configure-windows 'summary 'force)
2951 (gnus-set-mode-line 'summary))
2952 (when (get-buffer-window gnus-group-buffer t)
2953 ;; Gotta use windows, because recenter does weird stuff if
2954 ;; the current buffer ain't the displayed window.
2955 (let ((owin (selected-window)))
2956 (select-window (get-buffer-window gnus-group-buffer t))
2957 (when (gnus-group-goto-group group)
2959 (select-window owin)))
2960 ;; Mark this buffer as "prepared".
2961 (setq gnus-newsgroup-prepared t)
2962 (gnus-run-hooks 'gnus-summary-prepared-hook)
2965 (defun gnus-summary-prepare ()
2966 "Generate the summary buffer."
2968 (let ((buffer-read-only nil))
2970 (setq gnus-newsgroup-data nil
2971 gnus-newsgroup-data-reverse nil)
2972 (gnus-run-hooks 'gnus-summary-generate-hook)
2973 ;; Generate the buffer, either with threads or without.
2974 (when gnus-newsgroup-headers
2975 (gnus-summary-prepare-threads
2976 (if gnus-show-threads
2977 (gnus-sort-gathered-threads
2978 (funcall gnus-summary-thread-gathering-function
2980 (gnus-cut-threads (gnus-make-threads)))))
2981 ;; Unthreaded display.
2982 (gnus-sort-articles gnus-newsgroup-headers))))
2983 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2984 ;; Call hooks for modifying summary buffer.
2985 (goto-char (point-min))
2986 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2988 (defsubst gnus-general-simplify-subject (subject)
2989 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2992 ;; Truncate the subject.
2993 (gnus-simplify-subject-functions
2994 (gnus-map-function gnus-simplify-subject-functions subject))
2995 ((numberp gnus-summary-gather-subject-limit)
2996 (setq subject (gnus-simplify-subject-re subject))
2997 (if (> (length subject) gnus-summary-gather-subject-limit)
2998 (substring subject 0 gnus-summary-gather-subject-limit)
3000 ;; Fuzzily simplify it.
3001 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3002 (gnus-simplify-subject-fuzzy subject))
3003 ;; Just remove the leading "Re:".
3005 (gnus-simplify-subject-re subject))))
3007 (if (and gnus-summary-gather-exclude-subject
3008 (string-match gnus-summary-gather-exclude-subject subject))
3009 nil ; This article shouldn't be gathered
3012 (defun gnus-summary-simplify-subject-query ()
3013 "Query where the respool algorithm would put this article."
3015 (gnus-summary-select-article)
3017 (gnus-general-simplify-subject (gnus-summary-article-subject))))
3019 (defun gnus-gather-threads-by-subject (threads)
3020 "Gather threads by looking at Subject headers."
3021 (if (not gnus-summary-make-false-root)
3023 (let ((hashtb (gnus-make-hashtable 1024))
3026 subject hthread whole-subject)
3028 (setq subject (gnus-general-simplify-subject
3029 (setq whole-subject (mail-header-subject
3032 (if (setq hthread (gnus-gethash subject hashtb))
3034 ;; We enter a dummy root into the thread, if we
3035 ;; haven't done that already.
3036 (unless (stringp (caar hthread))
3037 (setcar hthread (list whole-subject (car hthread))))
3038 ;; We add this new gathered thread to this gathered
3040 (setcdr (car hthread)
3041 (nconc (cdar hthread) (list (car threads))))
3042 ;; Remove it from the list of threads.
3043 (setcdr prev (cdr threads))
3044 (setq threads prev))
3045 ;; Enter this thread into the hash table.
3046 (gnus-sethash subject threads hashtb)))
3048 (setq threads (cdr threads)))
3051 (defun gnus-gather-threads-by-references (threads)
3052 "Gather threads by looking at References headers."
3053 (let ((idhashtb (gnus-make-hashtable 1024))
3054 (thhashtb (gnus-make-hashtable 1024))
3057 ids references id gthread gid entered ref)
3059 (when (setq references (mail-header-references (caar threads)))
3060 (setq id (mail-header-id (caar threads))
3061 ids (gnus-split-references references)
3063 (while (setq ref (pop ids))
3064 (setq ids (delete ref ids))
3065 (if (not (setq gid (gnus-gethash ref idhashtb)))
3067 (gnus-sethash ref id idhashtb)
3068 (gnus-sethash id threads thhashtb))
3069 (setq gthread (gnus-gethash gid thhashtb))
3071 ;; We enter a dummy root into the thread, if we
3072 ;; haven't done that already.
3073 (unless (stringp (caar gthread))
3074 (setcar gthread (list (mail-header-subject (caar gthread))
3076 ;; We add this new gathered thread to this gathered
3078 (setcdr (car gthread)
3079 (nconc (cdar gthread) (list (car threads)))))
3080 ;; Add it into the thread hash table.
3081 (gnus-sethash id gthread thhashtb)
3083 ;; Remove it from the list of threads.
3084 (setcdr prev (cdr threads))
3085 (setq threads prev))))
3087 (setq threads (cdr threads)))
3090 (defun gnus-sort-gathered-threads (threads)
3091 "Sort subtreads inside each gathered thread by article number."
3092 (let ((result threads))
3094 (when (stringp (caar threads))
3095 (setcdr (car threads)
3096 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3097 (setq threads (cdr threads)))
3100 (defun gnus-thread-loop-p (root thread)
3101 "Say whether ROOT is in THREAD."
3102 (let ((stack (list thread))
3105 (while (setq thread (pop stack))
3106 (setq th (cdr thread))
3108 (not (eq (caar th) root)))
3111 ;; We have found a loop.
3113 (setcdr thread (delq (car th) (cdr thread)))
3114 (if (boundp (setq ref-dep (intern "none"
3115 gnus-newsgroup-dependencies)))
3116 (setcdr (symbol-value ref-dep)
3117 (nconc (cdr (symbol-value ref-dep))
3119 (set ref-dep (list nil (car th))))
3122 ;; Push all the subthreads onto the stack.
3123 (push (cdr thread) stack)))
3126 (defun gnus-make-threads ()
3127 "Go through the dependency hashtb and find the roots. Return all threads."
3129 (while (catch 'infloop
3132 ;; Deal with self-referencing References loops.
3133 (when (and (car (symbol-value refs))
3140 (car (symbol-value refs)) thread))
3141 (cdr (symbol-value refs)))))))
3144 (unless (car (symbol-value refs))
3145 ;; These threads do not refer back to any other articles,
3146 ;; so they're roots.
3147 (setq threads (append (cdr (symbol-value refs)) threads))))
3148 gnus-newsgroup-dependencies)))
3151 ;; Build the thread tree.
3152 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3153 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3155 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3156 if it was already present.
3158 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3159 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3160 Message-IDs will be renamed be renamed to a unique Message-ID before
3163 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3164 (let* ((id (mail-header-id header))
3165 (id-dep (and id (intern id dependencies)))
3166 ref ref-dep ref-header)
3167 ;; Enter this `header' in the `dependencies' table.
3171 ;; The first two cases do the normal part: enter a new `header'
3172 ;; in the `dependencies' table.
3173 ((not (boundp id-dep))
3174 (set id-dep (list header)))
3175 ((null (car (symbol-value id-dep)))
3176 (setcar (symbol-value id-dep) header))
3178 ;; From here the `header' was already present in the
3179 ;; `dependencies' table.
3181 ;; Overrides an existing entry;
3182 ;; just set the header part of the entry.
3183 (setcar (symbol-value id-dep) header))
3185 ;; Renames the existing `header' to a unique Message-ID.
3186 ((not gnus-summary-ignore-duplicates)
3187 ;; An article with this Message-ID has already been seen.
3188 ;; We rename the Message-ID.
3189 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3191 (mail-header-set-id header id))
3193 ;; The last case ignores an existing entry, except it adds any
3194 ;; additional Xrefs (in case the two articles came from different
3196 ;; Also sets `header' to `nil' meaning that the `dependencies'
3197 ;; table was *not* modified.
3199 (mail-header-set-xref
3200 (car (symbol-value id-dep))
3201 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3203 (or (mail-header-xref header) "")))
3207 ;; First check if that we are not creating a References loop.
3208 (setq ref (gnus-parent-id (mail-header-references header)))
3210 (setq ref-dep (intern-soft ref dependencies))
3212 (setq ref-header (car (symbol-value ref-dep))))
3213 (if (string= id ref)
3214 ;; Yuk! This is a reference loop. Make the article be a
3217 (mail-header-set-references (car (symbol-value id-dep)) "none")
3219 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3220 (setq ref (gnus-parent-id (mail-header-references header)))
3221 (setq ref-dep (intern (or ref "none") dependencies))
3222 (if (boundp ref-dep)
3223 (setcdr (symbol-value ref-dep)
3224 (nconc (cdr (symbol-value ref-dep))
3225 (list (symbol-value id-dep))))
3226 (set ref-dep (list nil (symbol-value id-dep)))))
3229 (defun gnus-build-sparse-threads ()
3230 (let ((headers gnus-newsgroup-headers)
3231 (mail-parse-charset gnus-newsgroup-charset)
3232 (gnus-summary-ignore-duplicates t)
3233 header references generation relations
3234 subject child end new-child date)
3235 ;; First we create an alist of generations/relations, where
3236 ;; generations is how much we trust the relation, and the relation
3238 (gnus-message 7 "Making sparse threads...")
3240 (nnheader-set-temp-buffer " *gnus sparse threads*")
3241 (while (setq header (pop headers))
3242 (when (and (setq references (mail-header-references header))
3243 (not (string= references "")))
3245 (setq child (mail-header-id header)
3246 subject (mail-header-subject header)
3247 date (mail-header-date header)
3249 (while (search-backward ">" nil t)
3250 (setq end (1+ (point)))
3251 (when (search-backward "<" nil t)
3252 (setq new-child (buffer-substring (point) end))
3253 (push (list (incf generation)
3254 child (setq child new-child)
3258 (push (list (1+ generation) child nil subject) relations))
3260 (kill-buffer (current-buffer)))
3261 ;; Sort over trustworthiness.
3264 (when (gnus-dependencies-add-header
3265 (make-full-mail-header
3266 gnus-reffed-article-number
3267 (nth 3 relation) "" (or (nth 4 relation) "")
3269 (or (nth 2 relation) "") 0 0 "")
3270 gnus-newsgroup-dependencies nil)
3271 (push gnus-reffed-article-number gnus-newsgroup-limit)
3272 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3273 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3274 gnus-newsgroup-reads)
3275 (decf gnus-reffed-article-number)))
3276 (sort relations 'car-less-than-car))
3277 (gnus-message 7 "Making sparse threads...done")))
3279 (defun gnus-build-old-threads ()
3280 ;; Look at all the articles that refer back to old articles, and
3281 ;; fetch the headers for the articles that aren't there. This will
3282 ;; build complete threads - if the roots haven't been expired by the
3284 (let ((mail-parse-charset gnus-newsgroup-charset)
3288 (when (not (car (symbol-value refs)))
3289 (setq heads (cdr (symbol-value refs)))
3291 (if (memq (mail-header-number (caar heads))
3292 gnus-newsgroup-dormant)
3293 (setq heads (cdr heads))
3294 (setq id (symbol-name refs))
3295 (while (and (setq id (gnus-build-get-header id))
3296 (not (car (gnus-id-to-thread id)))))
3297 (setq heads nil)))))
3298 gnus-newsgroup-dependencies)))
3300 ;; This function has to be called with point after the article number
3301 ;; on the beginning of the line.
3302 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3303 (let ((eol (gnus-point-at-eol))
3304 (buffer (current-buffer))
3307 ;; overview: [num subject from date id refs chars lines misc]
3312 (make-full-mail-header
3314 (nnheader-nov-field) ; subject
3315 (nnheader-nov-field) ; from
3316 (nnheader-nov-field) ; date
3317 (nnheader-nov-read-message-id) ; id
3318 (nnheader-nov-field) ; refs
3319 (nnheader-nov-read-integer) ; chars
3320 (nnheader-nov-read-integer) ; lines
3322 (nnheader-nov-field)) ; misc
3323 (nnheader-nov-parse-extra))) ; extra
3325 (when gnus-alter-header-function
3326 (funcall gnus-alter-header-function header))
3327 (gnus-dependencies-add-header header dependencies force-new)))
3329 (defun gnus-build-get-header (id)
3330 ;; Look through the buffer of NOV lines and find the header to
3331 ;; ID. Enter this line into the dependencies hash table, and return
3332 ;; the id of the parent article (if any).
3333 (let ((deps gnus-newsgroup-dependencies)
3337 (set-buffer nntp-server-buffer)
3338 (let ((case-fold-search nil))
3339 (goto-char (point-min))
3340 (while (and (not found)
3341 (search-forward id nil t))
3343 (setq found (looking-at
3344 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3345 (regexp-quote id))))
3346 (or found (beginning-of-line 2)))
3350 (setq header (gnus-nov-parse-line
3351 (read (current-buffer)) deps))
3352 (gnus-parent-id (mail-header-references header))))))
3354 (let ((number (mail-header-number header)))
3355 (push number gnus-newsgroup-limit)
3356 (push header gnus-newsgroup-headers)
3357 (if (memq number gnus-newsgroup-unselected)
3359 (push number gnus-newsgroup-unreads)
3360 (setq gnus-newsgroup-unselected
3361 (delq number gnus-newsgroup-unselected)))
3362 (push number gnus-newsgroup-ancient)))))))
3364 (defun gnus-build-all-threads ()
3365 "Read all the headers."
3366 (let ((gnus-summary-ignore-duplicates t)
3367 (mail-parse-charset gnus-newsgroup-charset)
3368 (dependencies gnus-newsgroup-dependencies)
3371 (set-buffer nntp-server-buffer)
3372 (let ((case-fold-search nil))
3373 (goto-char (point-min))
3376 (setq article (read (current-buffer))
3377 header (gnus-nov-parse-line article dependencies)))
3380 (set-buffer gnus-summary-buffer)
3381 (push header gnus-newsgroup-headers)
3382 (if (memq (setq article (mail-header-number header))
3383 gnus-newsgroup-unselected)
3385 (push article gnus-newsgroup-unreads)
3386 (setq gnus-newsgroup-unselected
3387 (delq article gnus-newsgroup-unselected)))
3388 (push article gnus-newsgroup-ancient)))
3389 (forward-line 1)))))))
3391 (defun gnus-summary-update-article-line (article header)
3392 "Update the line for ARTICLE using HEADERS."
3393 (let* ((id (mail-header-id header))
3394 (thread (gnus-id-to-thread id)))
3396 (error "Article in no thread"))
3397 ;; Update the thread.
3398 (setcar thread header)
3399 (gnus-summary-goto-subject article)
3400 (let* ((datal (gnus-data-find-list article))
3402 (length (when (cdr datal)
3403 (- (gnus-data-pos data)
3404 (gnus-data-pos (cadr datal)))))
3405 (buffer-read-only nil)
3406 (level (gnus-summary-thread-level)))
3408 (gnus-summary-insert-line
3409 header level nil (gnus-article-mark article)
3410 (memq article gnus-newsgroup-replied)
3411 (memq article gnus-newsgroup-expirable)
3412 ;; Only insert the Subject string when it's different
3413 ;; from the previous Subject string.
3418 (mail-header-subject
3421 (gnus-data-find-list
3423 (gnus-data-list t)))))
3424 ;; Error on the side of excessive subjects.
3426 (mail-header-subject header)))
3428 (mail-header-subject header))
3429 nil (cdr (assq article gnus-newsgroup-scored))
3430 (memq article gnus-newsgroup-processable))
3432 (gnus-data-update-list
3433 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3435 (defun gnus-summary-update-article (article &optional iheader)
3436 "Update ARTICLE in the summary buffer."
3437 (set-buffer gnus-summary-buffer)
3438 (let* ((header (gnus-summary-article-header article))
3439 (id (mail-header-id header))
3440 (data (gnus-data-find article))
3441 (thread (gnus-id-to-thread id))
3442 (references (mail-header-references header))
3446 (when (and references
3447 (not (equal "" references)))
3450 (buffer-read-only nil)
3456 (delq thread parent)))
3457 (if (gnus-summary-insert-subject id header)
3458 ;; Set the (possibly) new article number in the data structure.
3459 (gnus-data-set-number data (gnus-id-to-article id))
3463 (defun gnus-rebuild-thread (id &optional line)
3464 "Rebuild the thread containing ID.
3465 If LINE, insert the rebuilt thread starting on line LINE."
3466 (let ((buffer-read-only nil)
3467 old-pos current thread data)
3468 (if (not gnus-show-threads)
3469 (setq thread (list (car (gnus-id-to-thread id))))
3470 ;; Get the thread this article is part of.
3471 (setq thread (gnus-remove-thread id)))
3472 (setq old-pos (gnus-point-at-bol))
3473 (setq current (save-excursion
3474 (and (zerop (forward-line -1))
3475 (gnus-summary-article-number))))
3476 ;; If this is a gathered thread, we have to go some re-gathering.
3477 (when (stringp (car thread))
3478 (let ((subject (car thread))
3480 (setq thread (cdr thread))
3482 (unless (memq (setq thr (gnus-id-to-thread
3484 (mail-header-id (caar thread)))))
3487 (setq thread (cdr thread)))
3488 ;; We now have all (unique) roots.
3489 (if (= (length roots) 1)
3490 ;; All the loose roots are now one solid root.
3491 (setq thread (car roots))
3492 (setq thread (cons subject (gnus-sort-threads roots))))))
3494 ;; We then insert this thread into the summary buffer.
3496 (goto-char (point-min))
3497 (forward-line (1- line)))
3498 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3499 (if gnus-show-threads
3500 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3501 (gnus-summary-prepare-unthreaded thread))
3502 (setq data (nreverse gnus-newsgroup-data))
3503 (setq threads gnus-newsgroup-threads))
3504 ;; We splice the new data into the data structure.
3505 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3506 ;;!!! then we want to insert at the beginning of the buffer.
3507 ;;!!! That happens to be true with Gnus now, but that may
3508 ;;!!! change in the future. Perhaps.
3509 (gnus-data-enter-list
3510 (if line nil current) data (- (point) old-pos))
3511 (setq gnus-newsgroup-threads
3512 (nconc threads gnus-newsgroup-threads))
3513 (gnus-data-compute-positions))))
3515 (defun gnus-number-to-header (number)
3516 "Return the header for article NUMBER."
3517 (let ((headers gnus-newsgroup-headers))
3519 (not (= number (mail-header-number (car headers)))))
3524 (defun gnus-parent-headers (in-headers &optional generation)
3525 "Return the headers of the GENERATIONeth parent of HEADERS."
3527 (setq generation 1))
3529 (headers in-headers)
3532 (not (zerop generation))
3533 (setq references (mail-header-references headers)))
3534 (setq headers (if (and references
3535 (setq parent (gnus-parent-id references)))
3536 (car (gnus-id-to-thread parent))
3539 (and (not (eq headers in-headers))
3542 (defun gnus-id-to-thread (id)
3543 "Return the (sub-)thread where ID appears."
3544 (gnus-gethash id gnus-newsgroup-dependencies))
3546 (defun gnus-id-to-article (id)
3547 "Return the article number of ID."
3548 (let ((thread (gnus-id-to-thread id)))
3551 (mail-header-number (car thread)))))
3553 (defun gnus-id-to-header (id)
3554 "Return the article headers of ID."
3555 (car (gnus-id-to-thread id)))
3557 (defun gnus-article-displayed-root-p (article)
3558 "Say whether ARTICLE is a root(ish) article."
3559 (let ((level (gnus-summary-thread-level article))
3560 (refs (mail-header-references (gnus-summary-article-header article)))
3566 ((null (gnus-parent-id refs)) t)
3568 (null (setq particle (gnus-id-to-article
3569 (gnus-parent-id refs))))
3570 (null (gnus-summary-thread-level particle)))))))
3572 (defun gnus-root-id (id)
3573 "Return the id of the root of the thread where ID appears."
3575 (while (and id (setq prev (car (gnus-id-to-thread id))))
3577 id (gnus-parent-id (mail-header-references prev))))
3580 (defun gnus-articles-in-thread (thread)
3581 "Return the list of articles in THREAD."
3582 (cons (mail-header-number (car thread))
3583 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3585 (defun gnus-remove-thread (id &optional dont-remove)
3586 "Remove the thread that has ID in it."
3587 (let (headers thread last-id)
3588 ;; First go up in this thread until we find the root.
3589 (setq last-id (gnus-root-id id)
3590 headers (message-flatten-list (gnus-id-to-thread last-id)))
3591 ;; We have now found the real root of this thread. It might have
3592 ;; been gathered into some loose thread, so we have to search
3593 ;; through the threads to find the thread we wanted.
3594 (let ((threads gnus-newsgroup-threads)
3597 (setq sub (car threads))
3598 (if (stringp (car sub))
3599 ;; This is a gathered thread, so we look at the roots
3600 ;; below it to find whether this article is in this
3603 (setq sub (cdr sub))
3605 (when (member (caar sub) headers)
3606 (setq thread (car threads)
3609 (setq sub (cdr sub))))
3610 ;; It's an ordinary thread, so we check it.
3611 (when (eq (car sub) (car headers))
3614 (setq threads (cdr threads)))
3615 ;; If this article is in no thread, then it's a root.
3618 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3619 (setq thread (gnus-id-to-thread last-id)))
3622 thread ; We return this thread.
3624 (if (stringp (car thread))
3626 ;; If we use dummy roots, then we have to remove the
3627 ;; dummy root as well.
3628 (when (eq gnus-summary-make-false-root 'dummy)
3629 ;; We go to the dummy root by going to
3630 ;; the first sub-"thread", and then one line up.
3631 (gnus-summary-goto-article
3632 (mail-header-number (caadr thread)))
3635 (gnus-data-compute-positions))
3636 (setq thread (cdr thread))
3638 (gnus-remove-thread-1 (car thread))
3639 (setq thread (cdr thread))))
3640 (gnus-remove-thread-1 thread))))))))
3642 (defun gnus-remove-thread-1 (thread)
3643 "Remove the thread THREAD recursively."
3644 (let ((number (mail-header-number (pop thread)))
3646 (setq thread (reverse thread))
3648 (gnus-remove-thread-1 (pop thread)))
3649 (when (setq d (gnus-data-find number))
3650 (goto-char (gnus-data-pos d))
3651 (gnus-summary-show-thread)
3654 (- (gnus-point-at-bol)
3656 (1+ (gnus-point-at-eol))
3657 (gnus-delete-line)))))))
3659 (defun gnus-sort-threads (threads)
3661 (if (not gnus-thread-sort-functions)
3663 (gnus-message 8 "Sorting threads...")
3665 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3666 (gnus-message 8 "Sorting threads...done"))))
3668 (defun gnus-sort-articles (articles)
3670 (when gnus-article-sort-functions
3671 (gnus-message 7 "Sorting articles...")
3673 (setq gnus-newsgroup-headers
3674 (sort articles (gnus-make-sort-function
3675 gnus-article-sort-functions)))
3676 (gnus-message 7 "Sorting articles...done"))))
3678 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3679 (defmacro gnus-thread-header (thread)
3680 ;; Return header of first article in THREAD.
3681 ;; Note that THREAD must never, ever be anything else than a variable -
3682 ;; using some other form will lead to serious barfage.
3683 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3684 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3685 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
3688 (defsubst gnus-article-sort-by-number (h1 h2)
3689 "Sort articles by article number."
3690 (< (mail-header-number h1)
3691 (mail-header-number h2)))
3693 (defun gnus-thread-sort-by-number (h1 h2)
3694 "Sort threads by root article number."
3695 (gnus-article-sort-by-number
3696 (gnus-thread-header h1) (gnus-thread-header h2)))
3698 (defsubst gnus-article-sort-by-lines (h1 h2)
3699 "Sort articles by article Lines header."
3700 (< (mail-header-lines h1)
3701 (mail-header-lines h2)))
3703 (defun gnus-thread-sort-by-lines (h1 h2)
3704 "Sort threads by root article Lines header."
3705 (gnus-article-sort-by-lines
3706 (gnus-thread-header h1) (gnus-thread-header h2)))
3708 (defsubst gnus-article-sort-by-chars (h1 h2)
3709 "Sort articles by octet length."
3710 (< (mail-header-chars h1)
3711 (mail-header-chars h2)))
3713 (defun gnus-thread-sort-by-chars (h1 h2)
3714 "Sort threads by root article octet length."
3715 (gnus-article-sort-by-chars
3716 (gnus-thread-header h1) (gnus-thread-header h2)))
3718 (defsubst gnus-article-sort-by-author (h1 h2)
3719 "Sort articles by root author."
3721 (let ((addr (car (mime-entity-read-field h1 'From))))
3722 (or (std11-full-name-string addr)
3723 (std11-address-string addr)
3725 (let ((addr (car (mime-entity-read-field h2 'From))))
3726 (or (std11-full-name-string addr)
3727 (std11-address-string addr)
3731 (defun gnus-thread-sort-by-author (h1 h2)
3732 "Sort threads by root author."
3733 (gnus-article-sort-by-author
3734 (gnus-thread-header h1) (gnus-thread-header h2)))
3736 (defsubst gnus-article-sort-by-subject (h1 h2)
3737 "Sort articles by root subject."
3739 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3740 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3742 (defun gnus-thread-sort-by-subject (h1 h2)
3743 "Sort threads by root subject."
3744 (gnus-article-sort-by-subject
3745 (gnus-thread-header h1) (gnus-thread-header h2)))
3747 (defsubst gnus-article-sort-by-date (h1 h2)
3748 "Sort articles by root article date."
3750 (gnus-date-get-time (mail-header-date h1))
3751 (gnus-date-get-time (mail-header-date h2))))
3753 (defun gnus-thread-sort-by-date (h1 h2)
3754 "Sort threads by root article date."
3755 (gnus-article-sort-by-date
3756 (gnus-thread-header h1) (gnus-thread-header h2)))
3758 (defsubst gnus-article-sort-by-score (h1 h2)
3759 "Sort articles by root article score.
3760 Unscored articles will be counted as having a score of zero."
3761 (> (or (cdr (assq (mail-header-number h1)
3762 gnus-newsgroup-scored))
3763 gnus-summary-default-score 0)
3764 (or (cdr (assq (mail-header-number h2)
3765 gnus-newsgroup-scored))
3766 gnus-summary-default-score 0)))
3768 (defun gnus-thread-sort-by-score (h1 h2)
3769 "Sort threads by root article score."
3770 (gnus-article-sort-by-score
3771 (gnus-thread-header h1) (gnus-thread-header h2)))
3773 (defun gnus-thread-sort-by-total-score (h1 h2)
3774 "Sort threads by the sum of all scores in the thread.
3775 Unscored articles will be counted as having a score of zero."
3776 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3778 (defun gnus-thread-total-score (thread)
3779 ;; This function find the total score of THREAD.
3780 (cond ((null thread)
3783 (if (stringp (car thread))
3784 (apply gnus-thread-score-function 0
3785 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3786 (gnus-thread-total-score-1 thread)))
3788 (gnus-thread-total-score-1 (list thread)))))
3790 (defun gnus-thread-total-score-1 (root)
3791 ;; This function find the total score of the thread below ROOT.
3792 (setq root (car root))
3793 (apply gnus-thread-score-function
3795 (mapcar 'gnus-thread-total-score
3796 (cdr (gnus-id-to-thread (mail-header-id root))))
3797 (when (> (mail-header-number root) 0)
3798 (list (or (cdr (assq (mail-header-number root)
3799 gnus-newsgroup-scored))
3800 gnus-summary-default-score 0))))
3801 (list gnus-summary-default-score)
3804 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3805 (defvar gnus-tmp-prev-subject nil)
3806 (defvar gnus-tmp-false-parent nil)
3807 (defvar gnus-tmp-root-expunged nil)
3808 (defvar gnus-tmp-dummy-line nil)
3810 (defvar gnus-tmp-header)
3811 (defun gnus-extra-header (type &optional header)
3812 "Return the extra header of TYPE."
3813 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
3816 (defun gnus-summary-prepare-threads (threads)
3817 "Prepare summary buffer from THREADS and indentation LEVEL.
3818 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3819 or a straight list of headers."
3820 (gnus-message 7 "Generating summary...")
3822 (setq gnus-newsgroup-threads threads)
3825 (let ((gnus-tmp-level 0)
3826 (default-score (or gnus-summary-default-score 0))
3827 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3828 thread number subject stack state gnus-tmp-gathered beg-match
3829 new-roots gnus-tmp-new-adopts thread-end
3830 gnus-tmp-header gnus-tmp-unread
3831 gnus-tmp-replied gnus-tmp-subject-or-nil
3832 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3833 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3834 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3836 (setq gnus-tmp-prev-subject nil)
3838 (if (vectorp (car threads))
3839 ;; If this is a straight (sic) list of headers, then a
3840 ;; threaded summary display isn't required, so we just create
3841 ;; an unthreaded one.
3842 (gnus-summary-prepare-unthreaded threads)
3844 ;; Do the threaded display.
3846 (while (or threads stack gnus-tmp-new-adopts new-roots)
3848 (if (and (= gnus-tmp-level 0)
3851 (not gnus-tmp-false-parent)
3852 (or gnus-tmp-new-adopts new-roots))
3853 (if gnus-tmp-new-adopts
3854 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3855 thread (list (car gnus-tmp-new-adopts))
3856 gnus-tmp-header (caar thread)
3857 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3859 (setq thread (list (car new-roots))
3860 gnus-tmp-header (caar thread)
3861 new-roots (cdr new-roots))))
3864 ;; If there are some threads, we do them before the
3865 ;; threads on the stack.
3866 (setq thread threads
3867 gnus-tmp-header (caar thread))
3868 ;; There were no current threads, so we pop something off
3870 (setq state (car stack)
3871 gnus-tmp-level (car state)
3874 gnus-tmp-header (caar thread))))
3876 (setq gnus-tmp-false-parent nil)
3877 (setq gnus-tmp-root-expunged nil)
3878 (setq thread-end nil)
3880 (if (stringp gnus-tmp-header)
3881 ;; The header is a dummy root.
3883 ((eq gnus-summary-make-false-root 'adopt)
3884 ;; We let the first article adopt the rest.
3885 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3887 (setq gnus-tmp-gathered
3889 (lambda (h) (mail-header-number (car h)))
3892 (setq thread (cons (list (caar thread)
3895 (setq gnus-tmp-level -1
3896 gnus-tmp-false-parent t))
3897 ((eq gnus-summary-make-false-root 'empty)
3898 ;; We print adopted articles with empty subject fields.
3899 (setq gnus-tmp-gathered
3901 (lambda (h) (mail-header-number (car h)))
3904 (setq gnus-tmp-level -1))
3905 ((eq gnus-summary-make-false-root 'dummy)
3906 ;; We remember that we probably want to output a dummy
3908 (setq gnus-tmp-dummy-line gnus-tmp-header)
3909 (setq gnus-tmp-prev-subject gnus-tmp-header))
3911 ;; We do not make a root for the gathered
3912 ;; sub-threads at all.
3913 (setq gnus-tmp-level -1)))
3915 (setq number (mail-header-number gnus-tmp-header)
3916 subject (mail-header-subject gnus-tmp-header))
3919 ;; If the thread has changed subject, we might want to make
3920 ;; this subthread into a root.
3921 ((and (null gnus-thread-ignore-subject)
3922 (not (zerop gnus-tmp-level))
3923 gnus-tmp-prev-subject
3925 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3926 (setq new-roots (nconc new-roots (list (car thread)))
3928 gnus-tmp-header nil))
3929 ;; If the article lies outside the current limit,
3930 ;; then we do not display it.
3931 ((not (memq number gnus-newsgroup-limit))
3932 (setq gnus-tmp-gathered
3934 (lambda (h) (mail-header-number (car h)))
3937 (setq gnus-tmp-new-adopts (if (cdar thread)
3938 (append gnus-tmp-new-adopts
3940 gnus-tmp-new-adopts)
3942 gnus-tmp-header nil)
3943 (when (zerop gnus-tmp-level)
3944 (setq gnus-tmp-root-expunged t)))
3945 ;; Perhaps this article is to be marked as read?
3946 ((and gnus-summary-mark-below
3947 (< (or (cdr (assq number gnus-newsgroup-scored))
3949 gnus-summary-mark-below)
3950 ;; Don't touch sparse articles.
3951 (not (gnus-summary-article-sparse-p number))
3952 (not (gnus-summary-article-ancient-p number)))
3953 (setq gnus-newsgroup-unreads
3954 (delq number gnus-newsgroup-unreads))
3955 (if gnus-newsgroup-auto-expire
3956 (push number gnus-newsgroup-expirable)
3957 (push (cons number gnus-low-score-mark)
3958 gnus-newsgroup-reads))))
3960 (when gnus-tmp-header
3961 ;; We may have an old dummy line to output before this
3963 (when (and gnus-tmp-dummy-line
3966 (mail-header-subject gnus-tmp-header)))
3967 (gnus-summary-insert-dummy-line
3968 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3969 (setq gnus-tmp-dummy-line nil))
3971 ;; Compute the mark.
3972 (setq gnus-tmp-unread (gnus-article-mark number))
3974 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3975 gnus-tmp-header gnus-tmp-level)
3976 gnus-newsgroup-data)
3978 ;; Actually insert the line.
3980 gnus-tmp-subject-or-nil
3982 ((and gnus-thread-ignore-subject
3983 gnus-tmp-prev-subject
3984 (not (inline (gnus-subject-equal
3985 gnus-tmp-prev-subject subject))))
3987 ((zerop gnus-tmp-level)
3988 (if (and (eq gnus-summary-make-false-root 'empty)
3989 (memq number gnus-tmp-gathered)
3990 gnus-tmp-prev-subject
3991 (inline (gnus-subject-equal
3992 gnus-tmp-prev-subject subject)))
3993 gnus-summary-same-subject
3995 (t gnus-summary-same-subject)))
3996 (if (and (eq gnus-summary-make-false-root 'adopt)
3997 (= gnus-tmp-level 1)
3998 (memq number gnus-tmp-gathered))
3999 (setq gnus-tmp-opening-bracket ?\<
4000 gnus-tmp-closing-bracket ?\>)
4001 (setq gnus-tmp-opening-bracket ?\[
4002 gnus-tmp-closing-bracket ?\]))
4004 gnus-tmp-indentation
4005 (aref gnus-thread-indent-array gnus-tmp-level)
4006 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4007 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4008 gnus-summary-default-score 0)
4010 (if (or (null gnus-summary-default-score)
4011 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4012 gnus-summary-zcore-fuzz))
4014 (if (< gnus-tmp-score gnus-summary-default-score)
4015 gnus-score-below-mark gnus-score-over-mark))
4017 (cond ((memq number gnus-newsgroup-processable)
4019 ((memq number gnus-newsgroup-cached)
4021 ((memq number gnus-newsgroup-replied)
4023 ((memq number gnus-newsgroup-saved)
4025 (t gnus-unread-mark))
4026 gnus-tmp-from (mail-header-from gnus-tmp-header)
4029 ((string-match "<[^>]+> *$" gnus-tmp-from)
4030 (setq beg-match (match-beginning 0))
4031 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
4032 (substring gnus-tmp-from (1+ (match-beginning 0))
4033 (1- (match-end 0))))
4034 (substring gnus-tmp-from 0 beg-match)))
4035 ((string-match "(.+)" gnus-tmp-from)
4036 (substring gnus-tmp-from
4037 (1+ (match-beginning 0)) (1- (match-end 0))))
4039 (when (string= gnus-tmp-name "")
4040 (setq gnus-tmp-name gnus-tmp-from))
4041 (unless (numberp gnus-tmp-lines)
4042 (setq gnus-tmp-lines 0))
4043 (gnus-put-text-property
4045 (progn (eval gnus-summary-line-format-spec) (point))
4046 'gnus-number number)
4049 (gnus-run-hooks 'gnus-summary-update-hook)
4052 (setq gnus-tmp-prev-subject subject)))
4054 (when (nth 1 thread)
4055 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
4056 (incf gnus-tmp-level)
4057 (setq threads (if thread-end nil (cdar thread)))
4059 (setq gnus-tmp-level 0)))))
4060 (gnus-message 7 "Generating summary...done"))
4062 (defun gnus-summary-prepare-unthreaded (headers)
4063 "Generate an unthreaded summary buffer based on HEADERS."
4064 (let (header number mark)
4069 ;; We may have to root out some bad articles...
4070 (when (memq (setq number (mail-header-number
4071 (setq header (pop headers))))
4072 gnus-newsgroup-limit)
4073 ;; Mark article as read when it has a low score.
4074 (when (and gnus-summary-mark-below
4075 (< (or (cdr (assq number gnus-newsgroup-scored))
4076 gnus-summary-default-score 0)
4077 gnus-summary-mark-below)
4078 (not (gnus-summary-article-ancient-p number)))
4079 (setq gnus-newsgroup-unreads
4080 (delq number gnus-newsgroup-unreads))
4081 (if gnus-newsgroup-auto-expire
4082 (push number gnus-newsgroup-expirable)
4083 (push (cons number gnus-low-score-mark)
4084 gnus-newsgroup-reads)))
4086 (setq mark (gnus-article-mark number))
4087 (push (gnus-data-make number mark (1+ (point)) header 0)
4088 gnus-newsgroup-data)
4089 (gnus-summary-insert-line
4091 mark (memq number gnus-newsgroup-replied)
4092 (memq number gnus-newsgroup-expirable)
4093 (mail-header-subject header) nil
4094 (cdr (assq number gnus-newsgroup-scored))
4095 (memq number gnus-newsgroup-processable))))))
4097 (defun gnus-summary-remove-list-identifiers ()
4098 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4099 (let ((regexp (if (stringp gnus-list-identifiers)
4100 gnus-list-identifiers
4101 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
4102 (dolist (header gnus-newsgroup-headers)
4103 (when (string-match (concat "\\(\\(\\(Re: +\\)?\\(" regexp
4104 " *\\)\\)+\\(Re: +\\)?\\)")
4105 (mail-header-subject header))
4106 (mail-header-set-subject
4107 header (concat (substring (mail-header-subject header)
4108 0 (match-beginning 1))
4110 (match-string 3 (mail-header-subject header))
4111 (match-string 5 (mail-header-subject header)))
4112 (substring (mail-header-subject header)
4113 (match-end 1))))))))
4115 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4116 "Select newsgroup GROUP.
4117 If READ-ALL is non-nil, all articles in the group are selected.
4118 If SELECT-ARTICLES, only select those articles from GROUP."
4119 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4120 ;;!!! Dirty hack; should be removed.
4121 (gnus-summary-ignore-duplicates
4122 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4124 gnus-summary-ignore-duplicates))
4125 (info (nth 2 entry))
4126 articles fetched-articles cached)
4128 (unless (gnus-check-server
4129 (setq gnus-current-select-method
4130 (gnus-find-method-for-group group)))
4131 (error "Couldn't open server"))
4133 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4134 (gnus-activate-group group) ; Or we can activate it...
4135 (progn ; Or we bug out.
4136 (when (equal major-mode 'gnus-summary-mode)
4137 (kill-buffer (current-buffer)))
4138 (error "Couldn't request group %s: %s"
4139 group (gnus-status-message group))))
4141 (unless (gnus-request-group group t)
4142 (when (equal major-mode 'gnus-summary-mode)
4143 (kill-buffer (current-buffer)))
4144 (error "Couldn't request group %s: %s"
4145 group (gnus-status-message group)))
4147 (setq gnus-newsgroup-name group)
4148 (setq gnus-newsgroup-unselected nil)
4149 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4150 (gnus-summary-setup-default-charset)
4152 ;; Adjust and set lists of article marks.
4154 (gnus-adjust-marked-articles info))
4156 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4158 (if (gnus-virtual-group-p group)
4159 gnus-newsgroup-cached
4160 (gnus-cache-articles-in-group group)))
4162 (setq gnus-newsgroup-unreads
4163 (gnus-set-difference
4164 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
4165 gnus-newsgroup-dormant))
4167 (setq gnus-newsgroup-processable nil)
4169 (gnus-update-read-articles group gnus-newsgroup-unreads)
4171 (if (setq articles select-articles)
4172 (setq gnus-newsgroup-unselected
4173 (gnus-sorted-intersection
4174 gnus-newsgroup-unreads
4175 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4176 (setq articles (gnus-articles-to-read group read-all)))
4180 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4182 ((eq articles 0) nil)
4184 ;; Init the dependencies hash table.
4185 (setq gnus-newsgroup-dependencies
4186 (gnus-make-hashtable (length articles)))
4187 (gnus-set-global-variables)
4188 ;; Retrieve the headers and read them in.
4189 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
4190 (setq gnus-newsgroup-headers
4191 (gnus-retrieve-parsed-headers
4192 articles gnus-newsgroup-name
4193 ;; We might want to fetch old headers, but
4194 ;; not if there is only 1 article.
4195 (and (or (and (not (eq gnus-fetch-old-headers 'some))
4196 (not (numberp gnus-fetch-old-headers)))
4197 (> (length articles) 1))
4198 gnus-fetch-old-headers)))
4199 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
4201 ;; Suppress duplicates?
4202 (when gnus-suppress-duplicates
4203 (gnus-dup-suppress-articles))
4205 ;; Set the initial limit.
4206 (setq gnus-newsgroup-limit (copy-sequence articles))
4207 ;; Remove canceled articles from the list of unread articles.
4208 (setq gnus-newsgroup-unreads
4209 (gnus-set-sorted-intersection
4210 gnus-newsgroup-unreads
4211 (setq fetched-articles
4212 (mapcar (lambda (headers) (mail-header-number headers))
4213 gnus-newsgroup-headers))))
4214 ;; Removed marked articles that do not exist.
4215 (gnus-update-missing-marks
4216 (gnus-sorted-complement fetched-articles articles))
4218 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4220 (setq gnus-newsgroup-cached cached))
4222 ;; We might want to build some more threads first.
4223 (when (and gnus-fetch-old-headers
4224 (eq gnus-headers-retrieved-by 'nov))
4225 (if (eq gnus-fetch-old-headers 'invisible)
4226 (gnus-build-all-threads)
4227 (gnus-build-old-threads)))
4228 ;; Let the Gnus agent mark articles as read.
4230 (gnus-agent-get-undownloaded-list))
4231 ;; Remove list identifiers from subject
4232 (when gnus-list-identifiers
4233 (gnus-summary-remove-list-identifiers))
4234 ;; Check whether auto-expire is to be done in this group.
4235 (setq gnus-newsgroup-auto-expire
4236 (gnus-group-auto-expirable-p group))
4237 ;; Set up the article buffer now, if necessary.
4238 (unless gnus-single-article-buffer
4239 (gnus-article-setup-buffer))
4240 ;; First and last article in this newsgroup.
4241 (when gnus-newsgroup-headers
4242 (setq gnus-newsgroup-begin
4243 (mail-header-number (car gnus-newsgroup-headers))
4246 (gnus-last-element gnus-newsgroup-headers))))
4247 ;; GROUP is successfully selected.
4248 (or gnus-newsgroup-headers t)))))
4250 (defun gnus-articles-to-read (group &optional read-all)
4251 ;; Find out what articles the user wants to read.
4253 ;; Select all articles if `read-all' is non-nil, or if there
4254 ;; are no unread articles.
4256 (and (zerop (length gnus-newsgroup-marked))
4257 (zerop (length gnus-newsgroup-unreads)))
4258 (eq (gnus-group-find-parameter group 'display)
4261 (gnus-uncompress-range (gnus-active group))
4262 (gnus-cache-articles-in-group group))
4263 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4264 (copy-sequence gnus-newsgroup-unreads))
4266 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4267 (scored (length scored-list))
4268 (number (length articles))
4269 (marked (+ (length gnus-newsgroup-marked)
4270 (length gnus-newsgroup-dormant)))
4278 ((and (or (<= scored marked) (= scored number))
4279 (natnump gnus-large-newsgroup)
4280 (> number gnus-large-newsgroup))
4281 (let* ((cursor-in-echo-area nil)
4282 (input (read-from-minibuffer
4284 "How many articles from %s (max %d): "
4285 (gnus-limit-string gnus-newsgroup-name 35)
4287 (cons (number-to-string gnus-large-newsgroup)
4289 (if (string-match "^[ \t]*$" input)
4292 ((and (> scored marked) (< scored number)
4293 (> (- scored number) 20))
4296 (format "%s %s (%d scored, %d total): "
4297 "How many articles from"
4298 group scored number))))
4299 (if (string-match "^[ \t]*$" input)
4303 (setq select (if (stringp select) (string-to-number select) select))
4304 (if (or (null select) (zerop select))
4306 (if (and (not (zerop scored)) (<= (abs select) scored))
4308 (setq articles (sort scored-list '<))
4309 (setq number (length articles)))
4310 (setq articles (copy-sequence articles)))
4312 (when (< (abs select) number)
4314 ;; Select the N oldest articles.
4315 (setcdr (nthcdr (1- (abs select)) articles) nil)
4316 ;; Select the N most recent articles.
4317 (setq articles (nthcdr (- number select) articles))))
4318 (setq gnus-newsgroup-unselected
4319 (gnus-sorted-intersection
4320 gnus-newsgroup-unreads
4321 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4322 (when gnus-alter-articles-to-read-function
4323 (setq gnus-newsgroup-unreads
4325 (funcall gnus-alter-articles-to-read-function
4326 gnus-newsgroup-name gnus-newsgroup-unreads)
4330 (defun gnus-killed-articles (killed articles)
4333 (when (inline (gnus-member-of-range (car articles) killed))
4334 (push (car articles) out))
4335 (setq articles (cdr articles)))
4338 (defun gnus-uncompress-marks (marks)
4339 "Uncompress the mark ranges in MARKS."
4340 (let ((uncompressed '(score bookmark))
4343 (if (memq (caar marks) uncompressed)
4344 (push (car marks) out)
4345 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4346 (setq marks (cdr marks)))
4349 (defun gnus-adjust-marked-articles (info)
4350 "Set all article lists and remove all marks that are no longer valid."
4351 (let* ((marked-lists (gnus-info-marks info))
4352 (active (gnus-active (gnus-info-group info)))
4355 (types gnus-article-mark-lists)
4356 (uncompressed '(score bookmark killed))
4357 marks var articles article mark)
4360 (setq marks (pop marked-lists))
4361 (set (setq var (intern (format "gnus-newsgroup-%s"
4362 (car (rassq (setq mark (car marks))
4364 (if (memq (car marks) uncompressed) (cdr marks)
4365 (gnus-uncompress-range (cdr marks))))
4367 (setq articles (symbol-value var))
4369 ;; All articles have to be subsets of the active articles.
4371 ;; Adjust "simple" lists.
4372 ((memq mark '(tick dormant expire reply save))
4374 (when (or (< (setq article (pop articles)) min) (> article max))
4375 (set var (delq article (symbol-value var))))))
4377 ((memq mark uncompressed)
4378 (when (not (listp (cdr (symbol-value var))))
4379 (set var (list (symbol-value var))))
4380 (when (not (listp (cdr articles)))
4381 (setq articles (list articles)))
4383 (when (or (not (consp (setq article (pop articles))))
4384 (< (car article) min)
4385 (> (car article) max))
4386 (set var (delq article (symbol-value var))))))))))
4388 (defun gnus-update-missing-marks (missing)
4389 "Go through the list of MISSING articles and remove them from the mark lists."
4391 (let ((types gnus-article-mark-lists)
4393 ;; Go through all types.
4395 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4396 (when (symbol-value var)
4397 ;; This list has articles. So we delete all missing articles
4401 (set var (delq (pop m) (symbol-value var)))))))))
4403 (defun gnus-update-marks ()
4404 "Enter the various lists of marked articles into the newsgroup info list."
4405 (let ((types gnus-article-mark-lists)
4406 (info (gnus-get-info gnus-newsgroup-name))
4407 (uncompressed '(score bookmark killed))
4408 type list newmarked symbol delta-marks)
4410 ;; Add all marks lists to the list of marks lists.
4411 (while (setq type (pop types))
4412 (setq list (symbol-value
4414 (intern (format "gnus-newsgroup-%s"
4418 ;; Get rid of the entries of the articles that have the
4420 (when (and (eq (cdr type) 'score)
4424 (prev (cons nil list))
4427 (if (or (not (consp (car arts)))
4428 (= (cdar arts) gnus-summary-default-score))
4429 (setcdr prev (cdr arts))
4431 (setq arts (cdr arts)))
4432 (setq list (cdr all)))))
4434 (unless (memq (cdr type) uncompressed)
4435 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
4437 (when (gnus-check-backend-function
4438 'request-set-mark gnus-newsgroup-name)
4439 ;; uncompressed:s are not proper flags (they are cons cells)
4440 ;; cache is a internal gnus flag
4441 (unless (memq (cdr type) (cons 'cache uncompressed))
4442 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
4443 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
4444 (add (gnus-remove-from-range
4445 (gnus-copy-sequence list) old)))
4447 (push (list add 'add (list (cdr type))) delta-marks))
4449 (push (list del 'del (list (cdr type))) delta-marks)))))
4452 (push (cons (cdr type) list) newmarked)))
4455 (unless (gnus-check-group gnus-newsgroup-name)
4456 (error "Can't open server for %s" gnus-newsgroup-name))
4457 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
4459 ;; Enter these new marks into the info of the group.
4461 (setcar (nthcdr 3 info) newmarked)
4462 ;; Add the marks lists to the end of the info.
4464 (setcdr (nthcdr 2 info) (list newmarked))))
4466 ;; Cut off the end of the info if there's nothing else there.
4470 (when (nthcdr (decf i) info)
4471 (setcdr (nthcdr i info) nil)))))))
4473 (defun gnus-set-mode-line (where)
4474 "This function sets the mode line of the article or summary buffers.
4475 If WHERE is `summary', the summary mode line format will be used."
4476 ;; Is this mode line one we keep updated?
4477 (when (and (memq where gnus-updated-mode-lines)
4479 (intern (format "gnus-%s-mode-line-format-spec" where))))
4482 ;; We evaluate this in the summary buffer since these
4483 ;; variables are buffer-local to that buffer.
4484 (set-buffer gnus-summary-buffer)
4485 ;; We bind all these variables that are used in the `eval' form
4487 (let* ((mformat (symbol-value
4489 (format "gnus-%s-mode-line-format-spec" where))))
4490 (gnus-tmp-group-name gnus-newsgroup-name)
4491 (gnus-tmp-article-number (or gnus-current-article 0))
4492 (gnus-tmp-unread gnus-newsgroup-unreads)
4493 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4494 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4495 (gnus-tmp-unread-and-unselected
4496 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4497 (zerop gnus-tmp-unselected))
4499 ((zerop gnus-tmp-unselected)
4500 (format "{%d more}" gnus-tmp-unread-and-unticked))
4501 (t (format "{%d(+%d) more}"
4502 gnus-tmp-unread-and-unticked
4503 gnus-tmp-unselected))))
4505 (if (and gnus-current-headers
4506 (vectorp gnus-current-headers))
4507 (gnus-mode-string-quote
4508 (mail-header-subject gnus-current-headers))
4510 bufname-length max-len
4511 gnus-tmp-header);; passed as argument to any user-format-funcs
4512 (setq mode-string (eval mformat))
4513 (setq bufname-length (if (string-match "%b" mode-string)
4516 (if (eq where 'summary)
4518 (get-buffer gnus-article-buffer))))
4521 (setq max-len (max 4 (if gnus-mode-non-string-length
4523 gnus-mode-non-string-length
4525 (length mode-string))))
4526 ;; We might have to chop a bit of the string off...
4527 (when (> (length mode-string) max-len)
4529 (concat (gnus-truncate-string mode-string (- max-len 3))
4531 ;; Pad the mode string a bit.
4532 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4533 ;; Update the mode line.
4534 (setq mode-line-buffer-identification
4535 (gnus-mode-line-buffer-identification (list mode-string)))
4536 (set-buffer-modified-p t))))
4538 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4539 "Go through the HEADERS list and add all Xrefs to a hash table.
4540 The resulting hash table is returned, or nil if no Xrefs were found."
4541 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4542 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4543 (xref-hashtb (gnus-make-hashtable))
4544 start group entry number xrefs header)
4546 (setq header (pop headers))
4547 (when (and (setq xrefs (mail-header-xref header))
4548 (not (memq (setq number (mail-header-number header))
4551 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4552 (setq start (match-end 0))
4553 (setq group (if prefix
4554 (concat prefix (substring xrefs (match-beginning 1)
4556 (substring xrefs (match-beginning 1) (match-end 1))))
4558 (string-to-int (substring xrefs (match-beginning 2)
4560 (if (setq entry (gnus-gethash group xref-hashtb))
4561 (setcdr entry (cons number (cdr entry)))
4562 (gnus-sethash group (cons number nil) xref-hashtb)))))
4563 (and start xref-hashtb)))
4565 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4566 "Look through all the headers and mark the Xrefs as read."
4567 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4568 name entry info xref-hashtb idlist method nth4)
4570 (set-buffer gnus-group-buffer)
4571 (when (setq xref-hashtb
4572 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4575 (unless (string= from-newsgroup (setq name (symbol-name group)))
4576 (setq idlist (symbol-value group))
4577 ;; Dead groups are not updated.
4579 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4581 (when (stringp (setq nth4 (gnus-info-method info)))
4582 (setq nth4 (gnus-server-to-method nth4))))
4583 ;; Only do the xrefs if the group has the same
4584 ;; select method as the group we have just read.
4585 (or (gnus-methods-equal-p
4586 nth4 (gnus-find-method-for-group from-newsgroup))
4588 (equal nth4 (setq method (gnus-find-method-for-group
4590 (and (equal (car nth4) (car method))
4591 (equal (nth 1 nth4) (nth 1 method))))
4592 gnus-use-cross-reference
4593 (or (not (eq gnus-use-cross-reference t))
4595 ;; Only do cross-references on subscribed
4596 ;; groups, if that is what is wanted.
4597 (<= (gnus-info-level info) gnus-level-subscribed))
4598 (gnus-group-make-articles-read name idlist))))
4601 (defun gnus-compute-read-articles (group articles)
4602 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4603 (info (nth 2 entry))
4604 (active (gnus-active group))
4607 ;; First peel off all invalid article numbers.
4609 (let ((ids articles)
4611 (while (setq id (pop ids))
4612 (when (and first (> id (cdr active)))
4613 ;; We'll end up in this situation in one particular
4614 ;; obscure situation. If you re-scan a group and get
4615 ;; a new article that is cross-posted to a different
4616 ;; group that has not been re-scanned, you might get
4617 ;; crossposted article that has a higher number than
4618 ;; Gnus believes possible. So we re-activate this
4619 ;; group as well. This might mean doing the
4620 ;; crossposting thingy will *increase* the number
4621 ;; of articles in some groups. Tsk, tsk.
4622 (setq active (or (gnus-activate-group group) active)))
4623 (when (or (> id (cdr active))
4624 (< id (car active)))
4625 (setq articles (delq id articles))))))
4626 ;; If the read list is nil, we init it.
4628 (null (gnus-info-read info))
4630 (setq ninfo (cons 1 (1- (car active))))
4631 (setq ninfo (gnus-info-read info)))
4632 ;; Then we add the read articles to the range.
4634 ninfo (setq articles (sort articles '<))))))
4636 (defun gnus-group-make-articles-read (group articles)
4637 "Update the info of GROUP to say that ARTICLES are read."
4639 (entry (gnus-gethash group gnus-newsrc-hashtb))
4640 (info (nth 2 entry))
4641 (active (gnus-active group))
4644 (setq range (gnus-compute-read-articles group articles))
4646 (set-buffer gnus-group-buffer)
4649 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4650 (gnus-info-set-read ',info ',(gnus-info-read info))
4651 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4652 (gnus-group-update-group ,group t))))
4653 ;; Add the read articles to the range.
4654 (gnus-info-set-read info range)
4655 ;; Then we have to re-compute how many unread
4656 ;; articles there are in this group.
4660 (setq num (- (1+ (cdr active)) (car active))))
4661 ((not (listp (cdr range)))
4662 (setq num (- (cdr active) (- (1+ (cdr range))
4666 (if (numberp (car range))
4668 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4669 (setq range (cdr range)))
4670 (setq num (- (cdr active) num))))
4671 ;; Update the number of unread articles.
4673 ;; Update the group buffer.
4674 (gnus-group-update-group group t)))))
4676 (defvar gnus-newsgroup-none-id 0)
4678 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4679 (let ((cur nntp-server-buffer)
4682 (save-excursion (set-buffer gnus-summary-buffer)
4683 gnus-newsgroup-dependencies)))
4685 (mail-parse-charset gnus-newsgroup-charset)
4686 (mail-parse-ignored-charsets
4687 (save-excursion (condition-case nil
4688 (set-buffer gnus-summary-buffer)
4690 gnus-newsgroup-ignored-charsets)))
4692 (set-buffer nntp-server-buffer)
4693 ;; Translate all TAB characters into SPACE characters.
4694 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4695 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4696 (gnus-run-hooks 'gnus-parse-headers-hook)
4697 (let ((case-fold-search t)
4698 in-reply-to header p lines chars ctype)
4699 (goto-char (point-min))
4700 ;; Search to the beginning of the next header. Error messages
4701 ;; do not begin with 2 or 3.
4702 (while (re-search-forward "^[23][0-9]+ " nil t)
4705 ;; This implementation of this function, with nine
4706 ;; search-forwards instead of the one re-search-forward and
4707 ;; a case (which basically was the old function) is actually
4708 ;; about twice as fast, even though it looks messier. You
4709 ;; can't have everything, I guess. Speed and elegance
4710 ;; doesn't always go hand in hand.
4713 (make-full-mail-header
4719 (narrow-to-region (point)
4720 (or (and (search-forward "\n.\n" nil t)
4726 (if (search-forward "\nsubject: " nil t)
4727 (buffer-substring (match-end 0) (std11-field-end))
4732 (if (search-forward "\nfrom: " nil t)
4733 (buffer-substring (match-end 0) (std11-field-end))
4738 (if (search-forward "\ndate: " nil t)
4739 (buffer-substring (match-end 0) (std11-field-end))
4744 (setq id (if (re-search-forward
4745 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4746 ;; We do it this way to make sure the Message-ID
4747 ;; is (somewhat) syntactically valid.
4748 (buffer-substring (match-beginning 1)
4750 ;; If there was no message-id, we just fake one
4751 ;; to make subsequent routines simpler.
4752 (nnheader-generate-fake-message-id))))
4756 (if (search-forward "\nreferences: " nil t)
4760 (buffer-substring (match-end 0) (std11-field-end))
4765 (search-backward ">" end t)
4768 (search-backward "<" end t)
4770 ;; Get the references from the in-reply-to header if there
4771 ;; were no references and the in-reply-to header looks
4773 (if (and (search-forward "\nin-reply-to: " nil t)
4775 (buffer-substring (match-end 0)
4777 (string-match "<[^>]+>" in-reply-to))
4779 (setq ref (substring in-reply-to (match-beginning 0)
4781 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4782 (setq ref2 (substring in-reply-to (match-beginning 0)
4784 (when (> (length ref2) (length ref))
4791 (if (search-forward "\nchars: " nil t)
4792 (if (numberp (setq chars (ignore-errors (read cur))))
4798 (if (search-forward "\nlines: " nil t)
4799 (if (numberp (setq lines (ignore-errors (read cur))))
4805 (and (search-forward "\nxref: " nil t)
4806 (buffer-substring (match-end 0) (std11-field-end))))
4808 (when gnus-extra-headers
4809 (let ((extra gnus-extra-headers)
4813 (when (search-forward
4814 (concat "\n" (symbol-name (car extra)) ": ") nil t)
4815 (push (cons (car extra)
4816 (buffer-substring (match-end 0)
4822 (if (and (search-forward "\ncontent-type: " nil t)
4824 (buffer-substring (match-end 0) (std11-field-end))))
4825 (mime-entity-set-content-type-internal
4826 header (mime-parse-Content-Type ctype)))
4827 (when (equal id ref)
4830 (when gnus-alter-header-function
4831 (funcall gnus-alter-header-function header)
4832 (setq id (mail-header-id header)
4833 ref (gnus-parent-id (mail-header-references header))))
4836 (gnus-dependencies-add-header
4837 header dependencies force-new))
4838 (push header headers))
4839 (goto-char (point-max))
4841 (nreverse headers)))))
4843 ;; Goes through the xover lines and returns a list of vectors
4844 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4845 force-new dependencies
4846 group also-fetch-heads)
4847 "Parse the news overview data in the server buffer, and return a
4848 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4849 ;; Get the Xref when the users reads the articles since most/some
4850 ;; NNTP servers do not include Xrefs when using XOVER.
4851 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4852 (let ((mail-parse-charset gnus-newsgroup-charset)
4853 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
4854 (cur nntp-server-buffer)
4855 (dependencies (or dependencies gnus-newsgroup-dependencies))
4856 number headers header)
4858 (set-buffer nntp-server-buffer)
4859 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4860 ;; Allow the user to mangle the headers before parsing them.
4861 (gnus-run-hooks 'gnus-parse-headers-hook)
4862 (goto-char (point-min))
4865 (while (and sequence (not (eobp)))
4866 (setq number (read cur))
4867 (while (and sequence
4868 (< (car sequence) number))
4869 (setq sequence (cdr sequence)))
4871 (eq number (car sequence))
4873 (setq sequence (cdr sequence))
4874 (setq header (inline
4875 (gnus-nov-parse-line
4876 number dependencies force-new))))
4877 (push header headers))
4880 (gnus-error 4 "Strange nov line (%d)"
4881 (count-lines (point-min) (point)))))
4883 ;; A common bug in inn is that if you have posted an article and
4884 ;; then retrieves the active file, it will answer correctly --
4885 ;; the new article is included. However, a NOV entry for the
4886 ;; article may not have been generated yet, so this may fail.
4887 ;; We work around this problem by retrieving the last few
4888 ;; headers using HEAD.
4889 (if (or (not also-fetch-heads)
4891 ;; We (probably) got all the headers.
4893 (let ((gnus-nov-is-evil t))
4896 (gnus-retrieve-parsed-headers sequence group)
4899 (defun gnus-article-get-xrefs ()
4900 "Fill in the Xref value in `gnus-current-headers', if necessary.
4901 This is meant to be called in `gnus-article-internal-prepare-hook'."
4902 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4903 gnus-current-headers)))
4904 (or (not gnus-use-cross-reference)
4906 (and (mail-header-xref headers)
4907 (not (string= (mail-header-xref headers) "")))
4908 (let ((case-fold-search t)
4911 (nnheader-narrow-to-headers)
4912 (goto-char (point-min))
4913 (when (or (and (not (eobp))
4914 (eq (downcase (char-after)) ?x)
4915 (looking-at "Xref:"))
4916 (search-forward "\nXref:" nil t))
4917 (goto-char (1+ (match-end 0)))
4918 (setq xref (buffer-substring (point)
4919 (progn (end-of-line) (point))))
4920 (mail-header-set-xref headers xref)))))))
4922 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4923 "Find article ID and insert the summary line for that article.
4924 OLD-HEADER can either be a header or a line number to insert
4925 the subject line on."
4926 (let* ((line (and (numberp old-header) old-header))
4927 (old-header (and (vectorp old-header) old-header))
4928 (header (cond ((and old-header use-old-header)
4931 (gnus-number-to-header id))
4932 (gnus-number-to-header id))
4934 (gnus-read-header id))))
4935 (number (and (numberp id) id))
4938 ;; Rebuild the thread that this article is part of and go to the
4939 ;; article we have fetched.
4940 (when (and (not gnus-show-threads)
4943 (setq d (gnus-data-find (mail-header-number old-header))))
4944 (goto-char (gnus-data-pos d))
4947 (- (gnus-point-at-bol)
4949 (1+ (gnus-point-at-eol))
4950 (gnus-delete-line))))))
4952 (mail-header-set-number header (mail-header-number old-header)))
4953 (setq gnus-newsgroup-sparse
4954 (delq (setq number (mail-header-number header))
4955 gnus-newsgroup-sparse))
4956 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4957 (push number gnus-newsgroup-limit)
4958 (gnus-rebuild-thread (mail-header-id header) line)
4959 (gnus-summary-goto-subject number nil t))
4960 (when (and (numberp number)
4962 ;; We have to update the boundaries even if we can't fetch the
4963 ;; article if ID is a number -- so that the next `P' or `N'
4964 ;; command will fetch the previous (or next) article even
4965 ;; if the one we tried to fetch this time has been canceled.
4966 (when (> number gnus-newsgroup-end)
4967 (setq gnus-newsgroup-end number))
4968 (when (< number gnus-newsgroup-begin)
4969 (setq gnus-newsgroup-begin number))
4970 (setq gnus-newsgroup-unselected
4971 (delq number gnus-newsgroup-unselected)))
4972 ;; Report back a success?
4973 (and header (mail-header-number header))))
4975 ;;; Process/prefix in the summary buffer
4977 (defun gnus-summary-work-articles (n)
4978 "Return a list of articles to be worked upon.
4979 The prefix argument, the list of process marked articles, and the
4980 current article will be taken into consideration."
4982 (set-buffer gnus-summary-buffer)
4985 ;; A numerical prefix has been given.
4986 (setq n (prefix-numeric-value n))
4987 (let ((backward (< n 0))
4988 (n (abs (prefix-numeric-value n)))
4993 (push (setq article (gnus-summary-article-number))
4996 (gnus-summary-find-prev nil article)
4997 (gnus-summary-find-next nil article)))
4999 (nreverse articles)))
5000 ((and (gnus-region-active-p) (mark))
5001 (message "region active")
5002 ;; Work on the region between point and mark.
5003 (let ((max (max (point) (mark)))
5006 (goto-char (min (point) (mark)))
5009 (push (setq article (gnus-summary-article-number)) articles)
5010 (gnus-summary-find-next nil article)
5012 (nreverse articles))))
5013 (gnus-newsgroup-processable
5014 ;; There are process-marked articles present.
5015 ;; Save current state.
5016 (gnus-summary-save-process-mark)
5018 (reverse gnus-newsgroup-processable))
5020 ;; Just return the current article.
5021 (list (gnus-summary-article-number))))))
5023 (defmacro gnus-summary-iterate (arg &rest forms)
5024 "Iterate over the process/prefixed articles and do FORMS.
5025 ARG is the interactive prefix given to the command. FORMS will be
5026 executed with point over the summary line of the articles."
5027 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5028 `(let ((,articles (gnus-summary-work-articles ,arg)))
5030 (gnus-summary-goto-subject (car ,articles))
5034 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5035 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5037 (defun gnus-summary-save-process-mark ()
5038 "Push the current set of process marked articles on the stack."
5040 (push (copy-sequence gnus-newsgroup-processable)
5041 gnus-newsgroup-process-stack))
5043 (defun gnus-summary-kill-process-mark ()
5044 "Push the current set of process marked articles on the stack and unmark."
5046 (gnus-summary-save-process-mark)
5047 (gnus-summary-unmark-all-processable))
5049 (defun gnus-summary-yank-process-mark ()
5050 "Pop the last process mark state off the stack and restore it."
5052 (unless gnus-newsgroup-process-stack
5053 (error "Empty mark stack"))
5054 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5056 (defun gnus-summary-process-mark-set (set)
5057 "Make SET into the current process marked articles."
5058 (gnus-summary-unmark-all-processable)
5060 (gnus-summary-set-process-mark (pop set))))
5062 ;;; Searching and stuff
5064 (defun gnus-summary-search-group (&optional backward use-level)
5065 "Search for next unread newsgroup.
5066 If optional argument BACKWARD is non-nil, search backward instead."
5068 (set-buffer gnus-group-buffer)
5069 (when (gnus-group-search-forward
5070 backward nil (if use-level (gnus-group-group-level) nil))
5071 (gnus-group-group-name))))
5073 (defun gnus-summary-best-group (&optional exclude-group)
5074 "Find the name of the best unread group.
5075 If EXCLUDE-GROUP, do not go to this group."
5077 (set-buffer gnus-group-buffer)
5079 (gnus-group-best-unread-group exclude-group))))
5081 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5082 (if backward (gnus-summary-find-prev)
5083 (let* ((dummy (gnus-summary-article-intangible-p))
5084 (article (or article (gnus-summary-article-number)))
5085 (arts (gnus-data-find-list article))
5087 (when (and (not dummy)
5088 (or (not gnus-summary-check-current)
5090 (not (gnus-data-unread-p (car arts)))))
5091 (setq arts (cdr arts)))
5096 (when (or (and undownloaded
5097 (eq gnus-undownloaded-mark
5098 (gnus-data-mark (car arts))))
5099 (gnus-data-unread-p (car arts)))
5100 (setq result (car arts)
5102 (setq arts (cdr arts)))
5105 (goto-char (gnus-data-pos result))
5106 (gnus-data-number result)))))
5108 (defun gnus-summary-find-prev (&optional unread article)
5109 (let* ((eobp (eobp))
5110 (article (or article (gnus-summary-article-number)))
5111 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5113 (when (and (not eobp)
5114 (or (not gnus-summary-check-current)
5116 (not (gnus-data-unread-p (car arts)))))
5117 (setq arts (cdr arts)))
5122 (when (gnus-data-unread-p (car arts))
5123 (setq result (car arts)
5125 (setq arts (cdr arts)))
5128 (goto-char (gnus-data-pos result))
5129 (gnus-data-number result))))
5131 (defun gnus-summary-find-subject (subject &optional unread backward article)
5132 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5133 (article (or article (gnus-summary-article-number)))
5134 (articles (gnus-data-list backward))
5135 (arts (gnus-data-find-list article articles))
5137 (when (or (not gnus-summary-check-current)
5139 (not (gnus-data-unread-p (car arts))))
5140 (setq arts (cdr arts)))
5142 (and (or (not unread)
5143 (gnus-data-unread-p (car arts)))
5144 (vectorp (gnus-data-header (car arts)))
5146 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5147 (setq result (car arts)
5149 (setq arts (cdr arts)))
5151 (goto-char (gnus-data-pos result))
5152 (gnus-data-number result))))
5154 (defun gnus-summary-search-forward (&optional unread subject backward)
5155 "Search forward for an article.
5156 If UNREAD, look for unread articles. If SUBJECT, look for
5157 articles with that subject. If BACKWARD, search backward instead."
5158 (cond (subject (gnus-summary-find-subject subject unread backward))
5159 (backward (gnus-summary-find-prev unread))
5160 (t (gnus-summary-find-next unread))))
5162 (defun gnus-recenter (&optional n)
5163 "Center point in window and redisplay frame.
5164 Also do horizontal recentering."
5167 gnus-auto-center-summary
5168 (not (eq gnus-auto-center-summary 'vertical)))
5169 (gnus-horizontal-recenter))
5172 (defun gnus-summary-recenter ()
5173 "Center point in the summary window.
5174 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5175 displayed, no centering will be performed."
5176 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5177 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5179 (let* ((top (cond ((< (window-height) 4) 0)
5180 ((< (window-height) 7) 1)
5181 (t (if (numberp gnus-auto-center-summary)
5182 gnus-auto-center-summary
5184 (height (1- (window-height)))
5185 (bottom (save-excursion (goto-char (point-max))
5186 (forward-line (- height))
5188 (window (get-buffer-window (current-buffer))))
5189 ;; The user has to want it.
5190 (when gnus-auto-center-summary
5191 (when (get-buffer-window gnus-article-buffer)
5192 ;; Only do recentering when the article buffer is displayed,
5193 ;; Set the window start to either `bottom', which is the biggest
5194 ;; possible valid number, or the second line from the top,
5195 ;; whichever is the least.
5197 window (min bottom (save-excursion
5198 (forward-line (- top)) (point)))
5200 ;; Do horizontal recentering while we're at it.
5201 (when (and (get-buffer-window (current-buffer) t)
5202 (not (eq gnus-auto-center-summary 'vertical)))
5203 (let ((selected (selected-window)))
5204 (select-window (get-buffer-window (current-buffer) t))
5205 (gnus-summary-position-point)
5206 (gnus-horizontal-recenter)
5207 (select-window selected))))))
5209 (defun gnus-summary-jump-to-group (newsgroup)
5210 "Move point to NEWSGROUP in group mode buffer."
5211 ;; Keep update point of group mode buffer if visible.
5212 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
5213 (save-window-excursion
5214 ;; Take care of tree window mode.
5215 (when (get-buffer-window gnus-group-buffer)
5216 (pop-to-buffer gnus-group-buffer))
5217 (gnus-group-jump-to-group newsgroup))
5219 ;; Take care of tree window mode.
5220 (if (get-buffer-window gnus-group-buffer)
5221 (pop-to-buffer gnus-group-buffer)
5222 (set-buffer gnus-group-buffer))
5223 (gnus-group-jump-to-group newsgroup))))
5225 ;; This function returns a list of article numbers based on the
5226 ;; difference between the ranges of read articles in this group and
5227 ;; the range of active articles.
5228 (defun gnus-list-of-unread-articles (group)
5229 (let* ((read (gnus-info-read (gnus-get-info group)))
5230 (active (or (gnus-active group) (gnus-activate-group group)))
5233 ;; If none are read, then all are unread.
5235 (setq first (car active))
5236 ;; If the range of read articles is a single range, then the
5237 ;; first unread article is the article after the last read
5238 ;; article. Sounds logical, doesn't it?
5239 (if (and (not (listp (cdr read)))
5240 (or (< (car read) (car active))
5241 (progn (setq read (list read))
5243 (setq first (max (car active) (1+ (cdr read))))
5244 ;; `read' is a list of ranges.
5245 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
5248 (setq first (car active)))
5251 (while (< first nlast)
5253 (setq first (1+ first))))
5254 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
5255 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
5256 (setq read (cdr read)))))
5257 ;; And add the last unread articles.
5258 (while (<= first last)
5260 (setq first (1+ first)))
5261 ;; Return the list of unread articles.
5262 (delq 0 (nreverse unread))))
5264 (defun gnus-list-of-read-articles (group)
5265 "Return a list of unread, unticked and non-dormant articles."
5266 (let* ((info (gnus-get-info group))
5267 (marked (gnus-info-marks info))
5268 (active (gnus-active group)))
5270 (gnus-set-difference
5271 (gnus-sorted-complement
5272 (gnus-uncompress-range active)
5273 (gnus-list-of-unread-articles group))
5275 (gnus-uncompress-range (cdr (assq 'dormant marked)))
5276 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
5278 ;; Various summary commands
5280 (defun gnus-summary-select-article-buffer ()
5281 "Reconfigure windows to show article buffer."
5283 (if (not (gnus-buffer-live-p gnus-article-buffer))
5284 (error "There is no article buffer for this summary buffer")
5285 (gnus-configure-windows 'article)
5286 (select-window (get-buffer-window gnus-article-buffer))))
5288 (defun gnus-summary-universal-argument (arg)
5289 "Perform any operation on all articles that are process/prefixed."
5291 (let ((articles (gnus-summary-work-articles arg))
5298 (substitute-command-keys
5299 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
5301 (gnus-error 1 "Undefined key")
5304 (gnus-summary-goto-subject (setq article (pop articles)))
5305 (let (gnus-newsgroup-processable)
5306 (command-execute func))
5307 (gnus-summary-remove-process-mark article)))))
5308 (gnus-summary-position-point))
5310 (defun gnus-summary-toggle-truncation (&optional arg)
5311 "Toggle truncation of summary lines.
5312 With arg, turn line truncation on iff arg is positive."
5314 (setq truncate-lines
5315 (if (null arg) (not truncate-lines)
5316 (> (prefix-numeric-value arg) 0)))
5319 (defun gnus-summary-reselect-current-group (&optional all rescan)
5320 "Exit and then reselect the current newsgroup.
5321 The prefix argument ALL means to select all articles."
5323 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5324 (error "Ephemeral groups can't be reselected"))
5325 (let ((current-subject (gnus-summary-article-number))
5326 (group gnus-newsgroup-name))
5327 (setq gnus-newsgroup-begin nil)
5329 ;; We have to adjust the point of group mode buffer because
5330 ;; point was moved to the next unread newsgroup by exiting.
5331 (gnus-summary-jump-to-group group)
5334 (save-window-excursion
5335 ;; Don't show group contents.
5336 (set-window-start (selected-window) (point-max))
5337 (gnus-group-get-new-news-this-group 1))))
5338 (gnus-group-read-group all t)
5339 (gnus-summary-goto-subject current-subject nil t)))
5341 (defun gnus-summary-rescan-group (&optional all)
5342 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5344 (gnus-summary-reselect-current-group all t))
5346 (defun gnus-summary-update-info (&optional non-destructive)
5348 (let ((group gnus-newsgroup-name))
5350 (when gnus-newsgroup-kill-headers
5351 (setq gnus-newsgroup-killed
5352 (gnus-compress-sequence
5354 (gnus-set-sorted-intersection
5355 (gnus-uncompress-range gnus-newsgroup-killed)
5356 (setq gnus-newsgroup-unselected
5357 (sort gnus-newsgroup-unselected '<)))
5358 (setq gnus-newsgroup-unreads
5359 (sort gnus-newsgroup-unreads '<)))
5361 (unless (listp (cdr gnus-newsgroup-killed))
5362 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5363 (let ((headers gnus-newsgroup-headers))
5364 ;; Set the new ranges of read articles.
5366 (set-buffer gnus-group-buffer)
5367 (gnus-undo-force-boundary))
5368 (gnus-update-read-articles
5369 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5370 ;; Set the current article marks.
5371 (let ((gnus-newsgroup-scored
5372 (if (and (not gnus-save-score)
5373 (not non-destructive))
5375 gnus-newsgroup-scored)))
5377 (gnus-update-marks)))
5378 ;; Do the cross-ref thing.
5379 (when gnus-use-cross-reference
5380 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5381 ;; Do not switch windows but change the buffer to work.
5382 (set-buffer gnus-group-buffer)
5383 (unless (gnus-ephemeral-group-p group)
5384 (gnus-group-update-group group)))))))
5386 (defun gnus-summary-save-newsrc (&optional force)
5387 "Save the current number of read/marked articles in the dribble buffer.
5388 The dribble buffer will then be saved.
5389 If FORCE (the prefix), also save the .newsrc file(s)."
5391 (gnus-summary-update-info t)
5393 (gnus-save-newsrc-file)
5394 (gnus-dribble-save)))
5396 (defun gnus-summary-exit (&optional temporary)
5397 "Exit reading current newsgroup, and then return to group selection mode.
5398 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
5400 (gnus-set-global-variables)
5401 (gnus-kill-save-kill-buffer)
5402 (gnus-async-halt-prefetch)
5403 (let* ((group gnus-newsgroup-name)
5404 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5407 (buf (current-buffer)))
5409 ;; Do adaptive scoring, and possibly save score files.
5410 (when gnus-newsgroup-adaptive
5411 (gnus-score-adaptive))
5412 (when gnus-use-scoring
5414 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5415 ;; If we have several article buffers, we kill them at exit.
5416 (unless gnus-single-article-buffer
5417 (gnus-kill-buffer gnus-original-article-buffer)
5418 (setq gnus-article-current nil))
5419 (when gnus-use-cache
5420 (gnus-cache-possibly-remove-articles)
5421 (gnus-cache-save-buffers))
5422 (gnus-async-prefetch-remove-group group)
5423 (when gnus-suppress-duplicates
5424 (gnus-dup-enter-articles))
5425 (when gnus-use-trees
5426 (gnus-tree-close group))
5427 (when gnus-use-cache
5428 (gnus-cache-write-active))
5429 ;; Remove entries for this group.
5430 (nnmail-purge-split-history (gnus-group-real-name group))
5431 ;; Make all changes in this group permanent.
5433 (gnus-run-hooks 'gnus-exit-group-hook)
5434 (gnus-summary-update-info))
5435 (gnus-close-group group)
5436 ;; Make sure where we were, and go to next newsgroup.
5437 (set-buffer gnus-group-buffer)
5439 (gnus-group-jump-to-group group))
5440 (gnus-run-hooks 'gnus-summary-exit-hook)
5441 (unless (or quit-config
5442 ;; If this group has disappeared from the summary
5443 ;; buffer, don't skip forwards.
5444 (not (string= group (gnus-group-group-name))))
5445 (gnus-group-next-unread-group 1))
5446 (setq group-point (point))
5449 ;; If we have several article buffers, we kill them at exit.
5450 (unless gnus-single-article-buffer
5451 (gnus-kill-buffer gnus-article-buffer)
5452 (gnus-kill-buffer gnus-original-article-buffer)
5453 (setq gnus-article-current nil))
5455 (if (not gnus-kill-summary-on-exit)
5456 (gnus-deaden-summary)
5457 ;; We set all buffer-local variables to nil. It is unclear why
5458 ;; this is needed, but if we don't, buffer-local variables are
5459 ;; not garbage-collected, it seems. This would the lead to en
5460 ;; ever-growing Emacs.
5461 (gnus-summary-clear-local-variables)
5462 (when (get-buffer gnus-article-buffer)
5463 (bury-buffer gnus-article-buffer))
5464 ;; We clear the global counterparts of the buffer-local
5465 ;; variables as well, just to be on the safe side.
5466 (set-buffer gnus-group-buffer)
5467 (gnus-summary-clear-local-variables)
5468 ;; Return to group mode buffer.
5469 (when (eq mode 'gnus-summary-mode)
5470 (gnus-kill-buffer buf)))
5471 (setq gnus-current-select-method gnus-select-method)
5472 (pop-to-buffer gnus-group-buffer)
5473 (if (not quit-config)
5475 (goto-char group-point)
5476 (gnus-configure-windows 'group 'force)
5477 (unless (pos-visible-in-window-p)
5478 (forward-line (/ (static-if (featurep 'xemacs)
5479 (window-displayed-height)
5480 (1- (window-height)))
5482 (set-window-start (selected-window) (point))
5483 (goto-char group-point)))
5484 (gnus-handle-ephemeral-exit quit-config))
5485 ;; Clear the current group name.
5487 (setq gnus-newsgroup-name nil)))))
5489 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5490 (defun gnus-summary-exit-no-update (&optional no-questions)
5491 "Quit reading current newsgroup without updating read article info."
5493 (let* ((group gnus-newsgroup-name)
5494 (quit-config (gnus-group-quit-config group)))
5495 (when (or no-questions
5497 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5498 (gnus-async-halt-prefetch)
5500 (delq 'gnus-summary-expire-articles
5501 (copy-sequence gnus-summary-prepare-exit-hook)))
5502 ;; If we have several article buffers, we kill them at exit.
5503 (unless gnus-single-article-buffer
5504 (gnus-kill-buffer gnus-article-buffer)
5505 (gnus-kill-buffer gnus-original-article-buffer)
5506 (setq gnus-article-current nil))
5507 (if (not gnus-kill-summary-on-exit)
5508 (gnus-deaden-summary)
5509 (gnus-close-group group)
5510 (gnus-summary-clear-local-variables)
5511 (set-buffer gnus-group-buffer)
5512 (gnus-summary-clear-local-variables)
5513 (when (get-buffer gnus-summary-buffer)
5514 (kill-buffer gnus-summary-buffer)))
5515 (unless gnus-single-article-buffer
5516 (setq gnus-article-current nil))
5517 (when gnus-use-trees
5518 (gnus-tree-close group))
5519 (gnus-async-prefetch-remove-group group)
5520 (when (get-buffer gnus-article-buffer)
5521 (bury-buffer gnus-article-buffer))
5522 ;; Return to the group buffer.
5523 (gnus-configure-windows 'group 'force)
5524 ;; Clear the current group name.
5525 (setq gnus-newsgroup-name nil)
5526 (when (equal (gnus-group-group-name) group)
5527 (gnus-group-next-unread-group 1))
5529 (gnus-handle-ephemeral-exit quit-config)))))
5531 (defun gnus-handle-ephemeral-exit (quit-config)
5532 "Handle movement when leaving an ephemeral group.
5533 The state which existed when entering the ephemeral is reset."
5534 (if (not (buffer-name (car quit-config)))
5535 (gnus-configure-windows 'group 'force)
5536 (set-buffer (car quit-config))
5537 (cond ((eq major-mode 'gnus-summary-mode)
5538 (gnus-set-global-variables))
5539 ((eq major-mode 'gnus-article-mode)
5541 ;; The `gnus-summary-buffer' variable may point
5542 ;; to the old summary buffer when using a single
5544 (unless (gnus-buffer-live-p gnus-summary-buffer)
5545 (set-buffer gnus-group-buffer))
5546 (set-buffer gnus-summary-buffer)
5547 (gnus-set-global-variables))))
5548 (if (or (eq (cdr quit-config) 'article)
5549 (eq (cdr quit-config) 'pick))
5551 ;; The current article may be from the ephemeral group
5552 ;; thus it is best that we reload this article
5553 (gnus-summary-show-article)
5554 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5555 (gnus-configure-windows 'pick 'force)
5556 (gnus-configure-windows (cdr quit-config) 'force)))
5557 (gnus-configure-windows (cdr quit-config) 'force))
5558 (when (eq major-mode 'gnus-summary-mode)
5559 (gnus-summary-next-subject 1 nil t)
5560 (gnus-summary-recenter)
5561 (gnus-summary-position-point))))
5563 (defun gnus-summary-preview-mime-message ()
5564 "MIME decode and play this message."
5566 (let ((gnus-break-pages nil)
5568 (gnus-summary-select-article gnus-show-all-headers t))
5569 (select-window (get-buffer-window gnus-article-buffer)))
5573 (defvar gnus-dead-summary-mode-map nil)
5575 (unless gnus-dead-summary-mode-map
5576 (setq gnus-dead-summary-mode-map (make-keymap))
5577 (suppress-keymap gnus-dead-summary-mode-map)
5578 (substitute-key-definition
5579 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5580 (let ((keys '("\C-d" "\r" "\177" [delete])))
5582 (define-key gnus-dead-summary-mode-map
5583 (pop keys) 'gnus-summary-wake-up-the-dead))))
5585 (defvar gnus-dead-summary-mode nil
5586 "Minor mode for Gnus summary buffers.")
5588 (defun gnus-dead-summary-mode (&optional arg)
5589 "Minor mode for Gnus summary buffers."
5591 (when (eq major-mode 'gnus-summary-mode)
5592 (make-local-variable 'gnus-dead-summary-mode)
5593 (setq gnus-dead-summary-mode
5594 (if (null arg) (not gnus-dead-summary-mode)
5595 (> (prefix-numeric-value arg) 0)))
5596 (when gnus-dead-summary-mode
5597 (gnus-add-minor-mode
5598 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5600 (defun gnus-deaden-summary ()
5601 "Make the current summary buffer into a dead summary buffer."
5602 ;; Kill any previous dead summary buffer.
5603 (when (and gnus-dead-summary
5604 (buffer-name gnus-dead-summary))
5606 (set-buffer gnus-dead-summary)
5607 (when gnus-dead-summary-mode
5608 (kill-buffer (current-buffer)))))
5609 ;; Make this the current dead summary.
5610 (setq gnus-dead-summary (current-buffer))
5611 (gnus-dead-summary-mode 1)
5612 (let ((name (buffer-name)))
5613 (when (string-match "Summary" name)
5615 (concat (substring name 0 (match-beginning 0)) "Dead "
5616 (substring name (match-beginning 0)))
5620 (defun gnus-kill-or-deaden-summary (buffer)
5621 "Kill or deaden the summary BUFFER."
5623 (when (and (buffer-name buffer)
5624 (not gnus-single-article-buffer))
5627 (gnus-kill-buffer gnus-article-buffer)
5628 (gnus-kill-buffer gnus-original-article-buffer)))
5629 (cond (gnus-kill-summary-on-exit
5630 (when (and gnus-use-trees
5631 (gnus-buffer-exists-p buffer))
5634 (gnus-tree-close gnus-newsgroup-name)))
5635 (gnus-kill-buffer buffer))
5636 ((gnus-buffer-exists-p buffer)
5639 (gnus-deaden-summary))))))
5641 (defun gnus-summary-wake-up-the-dead (&rest args)
5642 "Wake up the dead summary buffer."
5644 (gnus-dead-summary-mode -1)
5645 (let ((name (buffer-name)))
5646 (when (string-match "Dead " name)
5648 (concat (substring name 0 (match-beginning 0))
5649 (substring name (match-end 0)))
5651 (gnus-message 3 "This dead summary is now alive again"))
5653 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5654 (defun gnus-summary-fetch-faq (&optional faq-dir)
5655 "Fetch the FAQ for the current group.
5656 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5660 (when current-prefix-arg
5662 "Faq dir: " (and (listp gnus-group-faq-directory)
5663 (mapcar (lambda (file) (list file))
5664 gnus-group-faq-directory))))))
5665 (let (gnus-faq-buffer)
5666 (when (setq gnus-faq-buffer
5667 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5668 (gnus-configure-windows 'summary-faq))))
5670 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5671 (defun gnus-summary-describe-group (&optional force)
5672 "Describe the current newsgroup."
5674 (gnus-group-describe-group force gnus-newsgroup-name))
5676 (defun gnus-summary-describe-briefly ()
5677 "Describe summary mode commands briefly."
5679 (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")))
5681 ;; Walking around group mode buffer from summary mode.
5683 (defun gnus-summary-next-group (&optional no-article target-group backward)
5684 "Exit current newsgroup and then select next unread newsgroup.
5685 If prefix argument NO-ARTICLE is non-nil, no article is selected
5686 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5687 previous group instead."
5689 ;; Stop pre-fetching.
5690 (gnus-async-halt-prefetch)
5691 (let ((current-group gnus-newsgroup-name)
5692 (current-buffer (current-buffer))
5694 ;; First we semi-exit this group to update Xrefs and all variables.
5695 ;; We can't do a real exit, because the window conf must remain
5696 ;; the same in case the user is prompted for info, and we don't
5697 ;; want the window conf to change before that...
5698 (gnus-summary-exit t)
5699 (while (not entered)
5700 ;; Then we find what group we are supposed to enter.
5701 (set-buffer gnus-group-buffer)
5702 (gnus-group-jump-to-group current-group)
5705 (if (eq gnus-keep-same-level 'best)
5706 (gnus-summary-best-group gnus-newsgroup-name)
5707 (gnus-summary-search-group backward gnus-keep-same-level))))
5708 (if (not target-group)
5709 ;; There are no further groups, so we return to the group
5712 (gnus-message 5 "Returning to the group buffer")
5714 (when (gnus-buffer-live-p current-buffer)
5715 (set-buffer current-buffer)
5716 (gnus-summary-exit))
5717 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5718 ;; We try to enter the target group.
5719 (gnus-group-jump-to-group target-group)
5720 (let ((unreads (gnus-group-group-unread)))
5721 (if (and (or (eq t unreads)
5722 (and unreads (not (zerop unreads))))
5723 (gnus-summary-read-group
5724 target-group nil no-article
5725 (and (buffer-name current-buffer) current-buffer)
5728 (setq current-group target-group
5729 target-group nil)))))))
5731 (defun gnus-summary-prev-group (&optional no-article)
5732 "Exit current newsgroup and then select previous unread newsgroup.
5733 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5735 (gnus-summary-next-group no-article nil t))
5737 ;; Walking around summary lines.
5739 (defun gnus-summary-first-subject (&optional unread undownloaded)
5740 "Go to the first unread subject.
5741 If UNREAD is non-nil, go to the first unread article.
5742 Returns the article selected or nil if there are no unread articles."
5747 ((null gnus-newsgroup-data)
5748 (gnus-message 3 "No articles in the group")
5750 ;; Pick the first article.
5752 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5753 (gnus-data-number (car gnus-newsgroup-data)))
5754 ;; No unread articles.
5755 ((null gnus-newsgroup-unreads)
5756 (gnus-message 3 "No more unread articles")
5758 ;; Find the first unread article.
5760 (let ((data gnus-newsgroup-data))
5762 (and (not (and undownloaded
5763 (eq gnus-undownloaded-mark
5764 (gnus-data-mark (car data)))))
5765 (not (gnus-data-unread-p (car data)))))
5766 (setq data (cdr data)))
5768 (goto-char (gnus-data-pos (car data)))
5769 (gnus-data-number (car data))))))
5770 (gnus-summary-position-point)))
5772 (defun gnus-summary-next-subject (n &optional unread dont-display)
5773 "Go to next N'th summary line.
5774 If N is negative, go to the previous N'th subject line.
5775 If UNREAD is non-nil, only unread articles are selected.
5776 The difference between N and the actual number of steps taken is
5779 (let ((backward (< n 0))
5783 (gnus-summary-find-prev unread)
5784 (gnus-summary-find-next unread)))
5785 (unless (zerop (setq n (1- n)))
5786 (gnus-summary-show-thread)))
5788 (gnus-message 7 "No more%s articles"
5789 (if unread " unread" "")))
5790 (unless dont-display
5791 (gnus-summary-recenter)
5792 (gnus-summary-position-point))
5795 (defun gnus-summary-next-unread-subject (n)
5796 "Go to next N'th unread summary line."
5798 (gnus-summary-next-subject n t))
5800 (defun gnus-summary-prev-subject (n &optional unread)
5801 "Go to previous N'th summary line.
5802 If optional argument UNREAD is non-nil, only unread article is selected."
5804 (gnus-summary-next-subject (- n) unread))
5806 (defun gnus-summary-prev-unread-subject (n)
5807 "Go to previous N'th unread summary line."
5809 (gnus-summary-next-subject (- n) t))
5811 (defun gnus-summary-goto-subject (article &optional force silent)
5812 "Go the subject line of ARTICLE.
5813 If FORCE, also allow jumping to articles not currently shown."
5814 (interactive "nArticle number: ")
5816 (data (gnus-data-find article)))
5817 ;; We read in the article if we have to.
5820 (gnus-summary-insert-subject
5822 (if (or (numberp force) (vectorp force)) force)
5824 (setq data (gnus-data-find article)))
5829 (gnus-message 3 "Can't find article %d" article))
5831 (goto-char (gnus-data-pos data))
5832 (gnus-summary-position-point)
5835 ;; Walking around summary lines with displaying articles.
5837 (defun gnus-summary-expand-window (&optional arg)
5838 "Make the summary buffer take up the entire Emacs frame.
5839 Given a prefix, will force an `article' buffer configuration."
5842 (gnus-configure-windows 'article 'force)
5843 (gnus-configure-windows 'summary 'force)))
5845 (defun gnus-summary-display-article (article &optional all-header)
5846 "Display ARTICLE in article buffer."
5847 (gnus-set-global-variables)
5851 (if gnus-summary-display-article-function
5852 (funcall gnus-summary-display-article-function article all-header)
5853 (gnus-article-prepare article all-header))
5854 (with-current-buffer gnus-article-buffer
5855 (set (make-local-variable 'gnus-summary-search-article-matched-data)
5857 (gnus-run-hooks 'gnus-select-article-hook)
5858 (when (and gnus-current-article
5859 (not (zerop gnus-current-article)))
5860 (gnus-summary-goto-subject gnus-current-article))
5861 (gnus-summary-recenter)
5862 (when (and gnus-use-trees gnus-show-threads)
5863 (gnus-possibly-generate-tree article)
5864 (gnus-highlight-selected-tree article))
5865 ;; Successfully display article.
5866 (gnus-article-set-window-start
5867 (cdr (assq article gnus-newsgroup-bookmarks))))))
5869 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5870 "Select the current article.
5871 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5872 non-nil, the article will be re-fetched even if it already present in
5873 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5875 ;; Make sure we are in the summary buffer to work around bbdb bug.
5876 (unless (eq major-mode 'gnus-summary-mode)
5877 (set-buffer gnus-summary-buffer))
5878 (let ((article (or article (gnus-summary-article-number)))
5879 (all-headers (not (not all-headers))) ;Must be T or NIL.
5880 gnus-summary-display-article-function)
5882 (gnus-summary-article-pseudo-p article)
5883 (error "This is a pseudo-article"))
5885 (set-buffer gnus-summary-buffer)
5886 (if (or (and gnus-single-article-buffer
5887 (or (null gnus-current-article)
5888 (null gnus-article-current)
5889 (null (get-buffer gnus-article-buffer))
5890 (not (eq article (cdr gnus-article-current)))
5891 (not (equal (car gnus-article-current)
5892 gnus-newsgroup-name))))
5893 (and (not gnus-single-article-buffer)
5894 (or (null gnus-current-article)
5895 (not (eq gnus-current-article article))))
5897 ;; The requested article is different from the current article.
5899 (gnus-summary-display-article article all-headers)
5900 (when (or all-headers gnus-show-all-headers)
5901 (gnus-article-show-all-headers))
5902 (gnus-article-set-window-start
5903 (cdr (assq article gnus-newsgroup-bookmarks)))
5905 (when (or all-headers gnus-show-all-headers)
5906 (gnus-article-show-all-headers))
5909 (defun gnus-summary-set-current-mark (&optional current-mark)
5910 "Obsolete function."
5913 (defun gnus-summary-next-article (&optional unread subject backward push)
5914 "Select the next article.
5915 If UNREAD, only unread articles are selected.
5916 If SUBJECT, only articles with SUBJECT are selected.
5917 If BACKWARD, the previous article is selected instead of the next."
5920 ;; Is there such an article?
5921 ((and (gnus-summary-search-forward unread subject backward)
5922 (or (gnus-summary-display-article (gnus-summary-article-number))
5923 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5924 (gnus-summary-position-point))
5925 ;; If not, we try the first unread, if that is wanted.
5927 gnus-auto-select-same
5928 (gnus-summary-first-unread-article))
5929 (gnus-summary-position-point)
5930 (gnus-message 6 "Wrapped"))
5931 ;; Try to get next/previous article not displayed in this group.
5932 ((and gnus-auto-extend-newsgroup
5933 (not unread) (not subject))
5934 (gnus-summary-goto-article
5935 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5936 nil (count-lines (point-min) (point))))
5937 ;; Go to next/previous group.
5939 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5940 (gnus-summary-jump-to-group gnus-newsgroup-name))
5941 (let ((cmd last-command-char)
5944 (set-buffer gnus-group-buffer)
5947 (if (eq gnus-keep-same-level 'best)
5948 (gnus-summary-best-group gnus-newsgroup-name)
5949 (gnus-summary-search-group backward gnus-keep-same-level))))
5950 ;; For some reason, the group window gets selected. We change
5952 (select-window (get-buffer-window (current-buffer)))
5953 ;; Select next unread newsgroup automagically.
5955 ((or (not gnus-auto-select-next)
5957 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5958 ((or (eq gnus-auto-select-next 'quietly)
5959 (and (eq gnus-auto-select-next 'slightly-quietly)
5961 (and (eq gnus-auto-select-next 'almost-quietly)
5962 (gnus-summary-last-article-p)))
5964 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5966 (gnus-message 7 "No more%s articles (%s)..."
5967 (if unread " unread" "")
5968 (if group (concat "selecting " group)
5970 (gnus-summary-next-group nil group backward)))
5972 (when (gnus-key-press-event-p last-input-event)
5973 (gnus-summary-walk-group-buffer
5974 gnus-newsgroup-name cmd unread backward point))))))))
5976 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5977 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5978 (?\C-p (gnus-group-prev-unread-group 1))))
5979 (cursor-in-echo-area t)
5980 keve key group ended)
5982 (set-buffer gnus-group-buffer)
5985 (if (eq gnus-keep-same-level 'best)
5986 (gnus-summary-best-group gnus-newsgroup-name)
5987 (gnus-summary-search-group backward gnus-keep-same-level))))
5990 5 "No more%s articles%s" (if unread " unread" "")
5992 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5993 (format " (Type %s for %s [%s])"
5994 (single-key-description cmd) group
5995 (car (gnus-gethash group gnus-newsrc-hashtb)))
5996 (format " (Type %s to exit %s)"
5997 (single-key-description cmd)
5998 gnus-newsgroup-name)))
5999 ;; Confirm auto selection.
6000 (setq key (car (setq keve (gnus-read-event-char))))
6003 ((assq key keystrokes)
6004 (let ((obuf (current-buffer)))
6005 (switch-to-buffer gnus-group-buffer)
6007 (gnus-group-jump-to-group group))
6008 (eval (cadr (assq key keystrokes)))
6009 (setq group (gnus-group-group-name))
6010 (switch-to-buffer obuf))
6014 (gnus-ephemeral-group-p gnus-newsgroup-name))
6016 (gnus-summary-next-group nil group backward)))
6018 (push (cdr keve) unread-command-events))))))
6020 (defun gnus-summary-next-unread-article ()
6021 "Select unread article after current one."
6023 (gnus-summary-next-article
6024 (or (not (eq gnus-summary-goto-unread 'never))
6025 (gnus-summary-last-article-p (gnus-summary-article-number)))
6026 (and gnus-auto-select-same
6027 (gnus-summary-article-subject))))
6029 (defun gnus-summary-prev-article (&optional unread subject)
6030 "Select the article after the current one.
6031 If UNREAD is non-nil, only unread articles are selected."
6033 (gnus-summary-next-article unread subject t))
6035 (defun gnus-summary-prev-unread-article ()
6036 "Select unread article before current one."
6038 (gnus-summary-prev-article
6039 (or (not (eq gnus-summary-goto-unread 'never))
6040 (gnus-summary-first-article-p (gnus-summary-article-number)))
6041 (and gnus-auto-select-same
6042 (gnus-summary-article-subject))))
6044 (defun gnus-summary-next-page (&optional lines circular)
6045 "Show next page of the selected article.
6046 If at the end of the current article, select the next article.
6047 LINES says how many lines should be scrolled up.
6049 If CIRCULAR is non-nil, go to the start of the article instead of
6050 selecting the next article when reaching the end of the current
6053 (setq gnus-summary-buffer (current-buffer))
6054 (gnus-set-global-variables)
6055 (let ((article (gnus-summary-article-number))
6056 (article-window (get-buffer-window gnus-article-buffer t))
6058 ;; If the buffer is empty, we have no article.
6060 (error "No article to select"))
6061 (gnus-configure-windows 'article)
6062 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6063 (if (and (eq gnus-summary-goto-unread 'never)
6064 (not (gnus-summary-last-article-p article)))
6065 (gnus-summary-next-article)
6066 (gnus-summary-next-unread-article))
6067 (if (or (null gnus-current-article)
6068 (null gnus-article-current)
6069 (/= article (cdr gnus-article-current))
6070 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6071 ;; Selected subject is different from current article's.
6072 (gnus-summary-display-article article)
6073 (when article-window
6074 (gnus-eval-in-buffer-window gnus-article-buffer
6075 (setq endp (gnus-article-next-page lines)))
6078 (gnus-summary-beginning-of-article))
6080 (gnus-message 3 "End of message"))
6082 (if (and (eq gnus-summary-goto-unread 'never)
6083 (not (gnus-summary-last-article-p article)))
6084 (gnus-summary-next-article)
6085 (gnus-summary-next-unread-article))))))))
6086 (gnus-summary-recenter)
6087 (gnus-summary-position-point)))
6089 (defun gnus-summary-prev-page (&optional lines move)
6090 "Show previous page of selected article.
6091 Argument LINES specifies lines to be scrolled down.
6092 If MOVE, move to the previous unread article if point is at
6093 the beginning of the buffer."
6095 (let ((article (gnus-summary-article-number))
6096 (article-window (get-buffer-window gnus-article-buffer t))
6098 (gnus-configure-windows 'article)
6099 (if (or (null gnus-current-article)
6100 (null gnus-article-current)
6101 (/= article (cdr gnus-article-current))
6102 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6103 ;; Selected subject is different from current article's.
6104 (gnus-summary-display-article article)
6105 (gnus-summary-recenter)
6106 (when article-window
6107 (gnus-eval-in-buffer-window gnus-article-buffer
6108 (setq endp (gnus-article-prev-page lines)))
6109 (when (and move endp)
6111 (gnus-message 3 "Beginning of message"))
6113 (if (and (eq gnus-summary-goto-unread 'never)
6114 (not (gnus-summary-first-article-p article)))
6115 (gnus-summary-prev-article)
6116 (gnus-summary-prev-unread-article))))))))
6117 (gnus-summary-position-point))
6119 (defun gnus-summary-prev-page-or-article (&optional lines)
6120 "Show previous page of selected article.
6121 Argument LINES specifies lines to be scrolled down.
6122 If at the beginning of the article, go to the next article."
6124 (gnus-summary-prev-page lines t))
6126 (defun gnus-summary-scroll-up (lines)
6127 "Scroll up (or down) one line current article.
6128 Argument LINES specifies lines to be scrolled up (or down if negative)."
6130 (gnus-configure-windows 'article)
6131 (gnus-summary-show-thread)
6132 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
6133 (gnus-eval-in-buffer-window gnus-article-buffer
6135 (when (gnus-article-next-page lines)
6136 (gnus-message 3 "End of message")))
6138 (gnus-article-prev-page (- lines))))))
6139 (gnus-summary-recenter)
6140 (gnus-summary-position-point))
6142 (defun gnus-summary-scroll-down (lines)
6143 "Scroll down (or up) one line current article.
6144 Argument LINES specifies lines to be scrolled down (or up if negative)."
6146 (gnus-summary-scroll-up (- lines)))
6148 (defun gnus-summary-next-same-subject ()
6149 "Select next article which has the same subject as current one."
6151 (gnus-summary-next-article nil (gnus-summary-article-subject)))
6153 (defun gnus-summary-prev-same-subject ()
6154 "Select previous article which has the same subject as current one."
6156 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
6158 (defun gnus-summary-next-unread-same-subject ()
6159 "Select next unread article which has the same subject as current one."
6161 (gnus-summary-next-article t (gnus-summary-article-subject)))
6163 (defun gnus-summary-prev-unread-same-subject ()
6164 "Select previous unread article which has the same subject as current one."
6166 (gnus-summary-prev-article t (gnus-summary-article-subject)))
6168 (defun gnus-summary-first-unread-article ()
6169 "Select the first unread article.
6170 Return nil if there are no unread articles."
6173 (when (gnus-summary-first-subject t)
6174 (gnus-summary-show-thread)
6175 (gnus-summary-first-subject t)
6176 (gnus-summary-display-article (gnus-summary-article-number)))
6177 (gnus-summary-position-point)))
6179 (defun gnus-summary-first-unread-subject ()
6180 "Place the point on the subject line of the first unread article.
6181 Return nil if there are no unread articles."
6184 (when (gnus-summary-first-subject t)
6185 (gnus-summary-show-thread)
6186 (gnus-summary-first-subject t))
6187 (gnus-summary-position-point)))
6189 (defun gnus-summary-first-article ()
6190 "Select the first article.
6191 Return nil if there are no articles."
6194 (when (gnus-summary-first-subject)
6195 (gnus-summary-show-thread)
6196 (gnus-summary-first-subject)
6197 (gnus-summary-display-article (gnus-summary-article-number)))
6198 (gnus-summary-position-point)))
6200 (defun gnus-summary-best-unread-article ()
6201 "Select the unread article with the highest score."
6203 (let ((best -1000000)
6204 (data gnus-newsgroup-data)
6207 (and (gnus-data-unread-p (car data))
6209 (gnus-summary-article-score (gnus-data-number (car data))))
6212 article (gnus-data-number (car data))))
6213 (setq data (cdr data)))
6216 (gnus-summary-goto-article article)
6217 (error "No unread articles"))
6218 (gnus-summary-position-point))))
6220 (defun gnus-summary-last-subject ()
6221 "Go to the last displayed subject line in the group."
6222 (let ((article (gnus-data-number (car (gnus-data-list t)))))
6224 (gnus-summary-goto-subject article))))
6226 (defun gnus-summary-goto-article (article &optional all-headers force)
6227 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
6228 If ALL-HEADERS is non-nil, no header lines are hidden.
6229 If FORCE, go to the article even if it isn't displayed. If FORCE
6230 is a number, it is the line the article is to be displayed on."
6234 "Article number or Message-ID: "
6235 (mapcar (lambda (number) (list (int-to-string number)))
6236 gnus-newsgroup-limit))
6240 (if (and (stringp article)
6241 (string-match "@" article))
6242 (gnus-summary-refer-article article)
6243 (when (stringp article)
6244 (setq article (string-to-number article)))
6245 (if (gnus-summary-goto-subject article force)
6246 (gnus-summary-display-article article all-headers)
6247 (gnus-message 4 "Couldn't go to article %s" article) nil))
6248 (gnus-summary-position-point)))
6250 (defun gnus-summary-goto-last-article ()
6251 "Go to the previously read article."
6254 (when gnus-last-article
6255 (gnus-summary-goto-article gnus-last-article nil t))
6256 (gnus-summary-position-point)))
6258 (defun gnus-summary-pop-article (number)
6259 "Pop one article off the history and go to the previous.
6260 NUMBER articles will be popped off."
6263 (setq gnus-newsgroup-history
6264 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
6266 (gnus-summary-goto-article (car to) nil t)
6267 (error "Article history empty")))
6268 (gnus-summary-position-point))
6270 ;; Summary commands and functions for limiting the summary buffer.
6272 (defun gnus-summary-limit-to-articles (n)
6273 "Limit the summary buffer to the next N articles.
6274 If not given a prefix, use the process marked articles instead."
6277 (let ((articles (gnus-summary-work-articles n)))
6278 (setq gnus-newsgroup-processable nil)
6279 (gnus-summary-limit articles))
6280 (gnus-summary-position-point)))
6282 (defun gnus-summary-pop-limit (&optional total)
6283 "Restore the previous limit.
6284 If given a prefix, remove all limits."
6287 (setq gnus-newsgroup-limits
6288 (list (mapcar (lambda (h) (mail-header-number h))
6289 gnus-newsgroup-headers))))
6290 (unless gnus-newsgroup-limits
6291 (error "No limit to pop"))
6293 (gnus-summary-limit nil 'pop)
6294 (gnus-summary-position-point)))
6296 (defun gnus-summary-limit-to-subject (subject &optional header)
6297 "Limit the summary buffer to articles that have subjects that match a regexp."
6298 (interactive "sLimit to subject (regexp): ")
6300 (setq header "subject"))
6301 (when (not (equal "" subject))
6303 (let ((articles (gnus-summary-find-matching
6304 (or header "subject") subject 'all)))
6306 (error "Found no matches for \"%s\"" subject))
6307 (gnus-summary-limit articles))
6308 (gnus-summary-position-point))))
6310 (defun gnus-summary-limit-to-author (from)
6311 "Limit the summary buffer to articles that have authors that match a regexp."
6312 (interactive "sLimit to author (regexp): ")
6313 (gnus-summary-limit-to-subject from "from"))
6315 (defun gnus-summary-limit-to-age (age &optional younger-p)
6316 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6317 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6318 articles that are younger than AGE days."
6320 (let ((younger current-prefix-arg)
6323 (while (not days-got)
6324 (setq days (if younger
6325 (read-string "Limit to articles within (in days): ")
6326 (read-string "Limit to articles old than (in days): ")))
6327 (when (> (length days) 0)
6328 (setq days (read days)))
6331 (message "Please enter a number.")
6333 (list days younger)))
6335 (let ((data gnus-newsgroup-data)
6336 (cutoff (days-to-time age))
6337 articles d date is-younger)
6338 (while (setq d (pop data))
6339 (when (and (vectorp (gnus-data-header d))
6340 (setq date (mail-header-date (gnus-data-header d))))
6341 (setq is-younger (time-less-p
6342 (time-since (condition-case ()
6349 (push (gnus-data-number d) articles))))
6350 (gnus-summary-limit (nreverse articles)))
6351 (gnus-summary-position-point)))
6353 (defun gnus-summary-limit-to-extra (header regexp)
6354 "Limit the summary buffer to articles that match an 'extra' header."
6358 (gnus-completing-read
6359 (symbol-name (car gnus-extra-headers))
6360 "Limit extra header:"
6362 (cons (symbol-name x) x))
6367 (read-string (format "Limit to header %s (regexp): " header)))))
6368 (when (not (equal "" regexp))
6370 (let ((articles (gnus-summary-find-matching
6371 (cons 'extra header) regexp 'all)))
6373 (error "Found no matches for \"%s\"" regexp))
6374 (gnus-summary-limit articles))
6375 (gnus-summary-position-point))))
6377 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6379 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6381 (defun gnus-summary-limit-to-unread (&optional all)
6382 "Limit the summary buffer to articles that are not marked as read.
6383 If ALL is non-nil, limit strictly to unread articles."
6386 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6387 (gnus-summary-limit-to-marks
6388 ;; Concat all the marks that say that an article is read and have
6390 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6391 gnus-killed-mark gnus-kill-file-mark
6392 gnus-low-score-mark gnus-expirable-mark
6393 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6394 gnus-duplicate-mark gnus-souped-mark)
6397 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6398 (make-obsolete 'gnus-summary-delete-marked-with
6399 'gnus-summary-limit-exlude-marks)
6401 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6402 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6403 If REVERSE, limit the summary buffer to articles that are marked
6404 with MARKS. MARKS can either be a string of marks or a list of marks.
6405 Returns how many articles were removed."
6406 (interactive "sMarks: ")
6407 (gnus-summary-limit-to-marks marks t))
6409 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6410 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6411 If REVERSE (the prefix), limit the summary buffer to articles that are
6412 not marked with MARKS. MARKS can either be a string of marks or a
6414 Returns how many articles were removed."
6415 (interactive "sMarks: \nP")
6417 (let ((data gnus-newsgroup-data)
6418 (marks (if (listp marks) marks
6419 (append marks nil))) ; Transform to list.
6422 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6423 (memq (gnus-data-mark (car data)) marks))
6424 (push (gnus-data-number (car data)) articles))
6425 (setq data (cdr data)))
6426 (gnus-summary-limit articles))
6427 (gnus-summary-position-point)))
6429 (defun gnus-summary-limit-to-score (&optional score)
6430 "Limit to articles with score at or above SCORE."
6432 (setq score (if score
6433 (prefix-numeric-value score)
6434 (or gnus-summary-default-score 0)))
6435 (let ((data gnus-newsgroup-data)
6438 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6440 (push (gnus-data-number (car data)) articles))
6441 (setq data (cdr data)))
6443 (gnus-summary-limit articles)
6444 (gnus-summary-position-point))))
6446 (defun gnus-summary-limit-include-thread (id)
6447 "Display all the hidden articles that in the current thread."
6448 (interactive (list (mail-header-id (gnus-summary-article-header))))
6449 (let ((articles (gnus-articles-in-thread
6450 (gnus-id-to-thread (gnus-root-id id)))))
6452 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6453 (gnus-summary-position-point))))
6455 (defun gnus-summary-limit-include-dormant ()
6456 "Display all the hidden articles that are marked as dormant.
6457 Note that this command only works on a subset of the articles currently
6458 fetched for this group."
6460 (unless gnus-newsgroup-dormant
6461 (error "There are no dormant articles in this group"))
6463 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6464 (gnus-summary-position-point)))
6466 (defun gnus-summary-limit-exclude-dormant ()
6467 "Hide all dormant articles."
6470 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6471 (gnus-summary-position-point)))
6473 (defun gnus-summary-limit-exclude-childless-dormant ()
6474 "Hide all dormant articles that have no children."
6476 (let ((data (gnus-data-list t))
6477 articles d children)
6478 ;; Find all articles that are either not dormant or have
6480 (while (setq d (pop data))
6481 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6483 (gnus-article-children (gnus-data-number d)))
6486 (when (memq (car children) articles)
6491 (push (gnus-data-number d) articles)))
6494 (gnus-summary-limit articles)
6495 (gnus-summary-position-point))))
6497 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6498 "Mark all unread excluded articles as read.
6499 If ALL, mark even excluded ticked and dormants as read."
6501 (let ((articles (gnus-sorted-complement
6503 (mapcar (lambda (h) (mail-header-number h))
6504 gnus-newsgroup-headers)
6506 (sort gnus-newsgroup-limit '<)))
6508 (setq gnus-newsgroup-unreads
6509 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6511 (setq gnus-newsgroup-dormant nil
6512 gnus-newsgroup-marked nil
6513 gnus-newsgroup-reads
6515 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6516 gnus-newsgroup-reads))
6517 (while (setq article (pop articles))
6518 (unless (or (memq article gnus-newsgroup-dormant)
6519 (memq article gnus-newsgroup-marked))
6520 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6522 (defun gnus-summary-limit (articles &optional pop)
6524 ;; We pop the previous limit off the stack and use that.
6525 (setq articles (car gnus-newsgroup-limits)
6526 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6527 ;; We use the new limit, so we push the old limit on the stack.
6528 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6530 (setq gnus-newsgroup-limit articles)
6531 (let ((total (length gnus-newsgroup-data))
6532 (data (gnus-data-find-list (gnus-summary-article-number)))
6533 (gnus-summary-mark-below nil) ; Inhibit this.
6535 ;; This will do all the work of generating the new summary buffer
6536 ;; according to the new limit.
6537 (gnus-summary-prepare)
6538 ;; Hide any threads, possibly.
6539 (and gnus-show-threads
6540 gnus-thread-hide-subtree
6541 (gnus-summary-hide-all-threads))
6542 ;; Try to return to the article you were at, or one in the
6545 ;; We try to find some article after the current one.
6547 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6550 (setq data (cdr data))))
6552 ;; If there is no data, that means that we were after the last
6553 ;; article. The same goes when we can't find any articles
6554 ;; after the current one.
6555 (goto-char (point-max))
6556 (gnus-summary-find-prev))
6557 (gnus-set-mode-line 'summary)
6558 ;; We return how many articles were removed from the summary
6559 ;; buffer as a result of the new limit.
6560 (- total (length gnus-newsgroup-data))))
6562 (defsubst gnus-invisible-cut-children (threads)
6565 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6570 (defsubst gnus-cut-thread (thread)
6571 "Go forwards in the thread until we find an article that we want to display."
6572 (when (or (eq gnus-fetch-old-headers 'some)
6573 (eq gnus-fetch-old-headers 'invisible)
6574 (numberp gnus-fetch-old-headers)
6575 (eq gnus-build-sparse-threads 'some)
6576 (eq gnus-build-sparse-threads 'more))
6577 ;; Deal with old-fetched headers and sparse threads.
6581 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6582 (gnus-summary-article-ancient-p
6583 (mail-header-number (car thread))))
6584 (if (or (<= (length (cdr thread)) 1)
6585 (eq gnus-fetch-old-headers 'invisible))
6586 (setq gnus-newsgroup-limit
6587 (delq (mail-header-number (car thread))
6588 gnus-newsgroup-limit)
6589 thread (cadr thread))
6590 (when (gnus-invisible-cut-children (cdr thread))
6591 (let ((th (cdr thread)))
6593 (if (memq (mail-header-number (caar th))
6594 gnus-newsgroup-limit)
6595 (setq thread (car th)
6597 (setq th (cdr th))))))))))
6600 (defun gnus-cut-threads (threads)
6601 "Cut off all uninteresting articles from the beginning of threads."
6602 (when (or (eq gnus-fetch-old-headers 'some)
6603 (eq gnus-fetch-old-headers 'invisible)
6604 (numberp gnus-fetch-old-headers)
6605 (eq gnus-build-sparse-threads 'some)
6606 (eq gnus-build-sparse-threads 'more))
6609 (setcar th (gnus-cut-thread (car th)))
6610 (setq th (cdr th)))))
6611 ;; Remove nixed out threads.
6614 (defun gnus-summary-initial-limit (&optional show-if-empty)
6615 "Figure out what the initial limit is supposed to be on group entry.
6616 This entails weeding out unwanted dormants, low-scored articles,
6617 fetch-old-headers verbiage, and so on."
6618 ;; Most groups have nothing to remove.
6619 (if (or gnus-inhibit-limiting
6620 (and (null gnus-newsgroup-dormant)
6621 (not (eq gnus-fetch-old-headers 'some))
6622 (not (numberp gnus-fetch-old-headers))
6623 (not (eq gnus-fetch-old-headers 'invisible))
6624 (null gnus-summary-expunge-below)
6625 (not (eq gnus-build-sparse-threads 'some))
6626 (not (eq gnus-build-sparse-threads 'more))
6627 (null gnus-thread-expunge-below)
6628 (not gnus-use-nocem)))
6630 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6631 (setq gnus-newsgroup-limit nil)
6634 (unless (car (symbol-value node))
6635 ;; These threads have no parents -- they are roots.
6636 (let ((nodes (cdr (symbol-value node)))
6639 (if (and gnus-thread-expunge-below
6640 (< (gnus-thread-total-score (car nodes))
6641 gnus-thread-expunge-below))
6642 (gnus-expunge-thread (pop nodes))
6643 (setq thread (pop nodes))
6644 (gnus-summary-limit-children thread))))))
6645 gnus-newsgroup-dependencies)
6646 ;; If this limitation resulted in an empty group, we might
6647 ;; pop the previous limit and use it instead.
6648 (when (and (not gnus-newsgroup-limit)
6650 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6651 gnus-newsgroup-limit))
6653 (defun gnus-summary-limit-children (thread)
6654 "Return 1 if this subthread is visible and 0 if it is not."
6655 ;; First we get the number of visible children to this thread. This
6656 ;; is done by recursing down the thread using this function, so this
6657 ;; will really go down to a leaf article first, before slowly
6658 ;; working its way up towards the root.
6662 (apply '+ (mapcar 'gnus-summary-limit-children
6665 (number (mail-header-number (car thread)))
6668 (not (memq number gnus-newsgroup-marked))
6670 ;; If this article is dormant and has absolutely no visible
6671 ;; children, then this article isn't visible.
6672 (and (memq number gnus-newsgroup-dormant)
6674 ;; If this is "fetch-old-headered" and there is no
6675 ;; visible children, then we don't want this article.
6676 (and (or (eq gnus-fetch-old-headers 'some)
6677 (numberp gnus-fetch-old-headers))
6678 (gnus-summary-article-ancient-p number)
6680 ;; If this is "fetch-old-headered" and `invisible', then
6681 ;; we don't want this article.
6682 (and (eq gnus-fetch-old-headers 'invisible)
6683 (gnus-summary-article-ancient-p number))
6684 ;; If this is a sparsely inserted article with no children,
6685 ;; we don't want it.
6686 (and (eq gnus-build-sparse-threads 'some)
6687 (gnus-summary-article-sparse-p number)
6689 ;; If we use expunging, and this article is really
6690 ;; low-scored, then we don't want this article.
6691 (when (and gnus-summary-expunge-below
6693 (or (cdr (assq number gnus-newsgroup-scored))
6694 gnus-summary-default-score))
6695 gnus-summary-expunge-below))
6696 ;; We increase the expunge-tally here, but that has
6697 ;; nothing to do with the limits, really.
6698 (incf gnus-newsgroup-expunged-tally)
6699 ;; We also mark as read here, if that's wanted.
6700 (when (and gnus-summary-mark-below
6701 (< score gnus-summary-mark-below))
6702 (setq gnus-newsgroup-unreads
6703 (delq number gnus-newsgroup-unreads))
6704 (if gnus-newsgroup-auto-expire
6705 (push number gnus-newsgroup-expirable)
6706 (push (cons number gnus-low-score-mark)
6707 gnus-newsgroup-reads)))
6709 ;; Check NoCeM things.
6710 (if (and gnus-use-nocem
6711 (gnus-nocem-unwanted-article-p
6712 (mail-header-id (car thread))))
6714 (setq gnus-newsgroup-unreads
6715 (delq number gnus-newsgroup-unreads))
6717 ;; Nope, invisible article.
6719 ;; Ok, this article is to be visible, so we add it to the limit
6721 (push number gnus-newsgroup-limit)
6724 (defun gnus-expunge-thread (thread)
6725 "Mark all articles in THREAD as read."
6726 (let* ((number (mail-header-number (car thread))))
6727 (incf gnus-newsgroup-expunged-tally)
6728 ;; We also mark as read here, if that's wanted.
6729 (setq gnus-newsgroup-unreads
6730 (delq number gnus-newsgroup-unreads))
6731 (if gnus-newsgroup-auto-expire
6732 (push number gnus-newsgroup-expirable)
6733 (push (cons number gnus-low-score-mark)
6734 gnus-newsgroup-reads)))
6735 ;; Go recursively through all subthreads.
6736 (mapcar 'gnus-expunge-thread (cdr thread)))
6738 ;; Summary article oriented commands
6740 (defun gnus-summary-refer-parent-article (n)
6741 "Refer parent article N times.
6742 If N is negative, go to ancestor -N instead.
6743 The difference between N and the number of articles fetched is returned."
6747 (when (not (natnump n))
6752 (setq header (gnus-summary-article-header))
6753 (if (and (eq (mail-header-number header)
6754 (cdr gnus-article-current))
6755 (equal gnus-newsgroup-name
6756 (car gnus-article-current)))
6757 ;; If we try to find the parent of the currently
6758 ;; displayed article, then we take a look at the actual
6759 ;; References header, since this is slightly more
6760 ;; reliable than the References field we got from the
6763 (set-buffer gnus-original-article-buffer)
6764 (nnheader-narrow-to-headers)
6765 (unless (setq ref (message-fetch-field "references"))
6766 (setq ref (message-fetch-field "in-reply-to")))
6769 ;; It's not the current article, so we take a bet on
6770 ;; the value we got from the server.
6771 (mail-header-references header)))
6773 (not (equal ref "")))
6774 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6775 (gnus-message 1 "Couldn't find parent"))
6776 (gnus-message 1 "No references in article %d"
6777 (gnus-summary-article-number))
6780 (gnus-summary-position-point)
6783 (defun gnus-summary-refer-references ()
6784 "Fetch all articles mentioned in the References header.
6785 Return the number of articles fetched."
6787 (let ((ref (mail-header-references (gnus-summary-article-header)))
6788 (current (gnus-summary-article-number))
6792 (error "No References in the current article")
6793 ;; For each Message-ID in the References header...
6794 (while (string-match "<[^>]*>" ref)
6796 ;; ... fetch that article.
6797 (gnus-summary-refer-article
6798 (prog1 (match-string 0 ref)
6799 (setq ref (substring ref (match-end 0))))))
6800 (gnus-summary-goto-subject current)
6801 (gnus-summary-position-point)
6804 (defun gnus-summary-refer-thread (&optional limit)
6805 "Fetch all articles in the current thread.
6806 If LIMIT (the numerical prefix), fetch that many old headers instead
6807 of what's specified by the `gnus-refer-thread-limit' variable."
6809 (let ((id (mail-header-id (gnus-summary-article-header)))
6810 (limit (if limit (prefix-numeric-value limit)
6811 gnus-refer-thread-limit)))
6812 ;; We want to fetch LIMIT *old* headers, but we also have to
6813 ;; re-fetch all the headers in the current buffer, because many of
6814 ;; them may be undisplayed. So we adjust LIMIT.
6815 (when (numberp limit)
6816 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6817 (unless (eq gnus-fetch-old-headers 'invisible)
6818 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6819 ;; Retrieve the headers and read them in.
6820 (if (eq (gnus-retrieve-headers
6821 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6823 (gnus-build-all-threads)
6824 (error "Can't fetch thread from backends that don't support NOV"))
6825 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6826 (gnus-summary-limit-include-thread id)))
6828 (defun gnus-summary-refer-article (message-id)
6829 "Fetch an article specified by MESSAGE-ID."
6830 (interactive "sMessage-ID: ")
6831 (when (and (stringp message-id)
6832 (not (zerop (length message-id))))
6833 ;; Construct the correct Message-ID if necessary.
6834 ;; Suggested by tale@pawl.rpi.edu.
6835 (unless (string-match "^<" message-id)
6836 (setq message-id (concat "<" message-id)))
6837 (unless (string-match ">$" message-id)
6838 (setq message-id (concat message-id ">")))
6839 (let* ((header (gnus-id-to-header message-id))
6841 (gnus-summary-article-sparse-p
6842 (mail-header-number header))
6843 (memq (mail-header-number header)
6844 gnus-newsgroup-limit)))
6847 ;; If the article is present in the buffer we just go to it.
6849 (or (not (gnus-summary-article-sparse-p
6850 (mail-header-number header)))
6853 (gnus-summary-goto-article
6854 (mail-header-number header) nil t)
6856 (gnus-summary-update-article (mail-header-number header)))))
6858 ;; We fetch the article.
6860 (dolist (gnus-override-method (gnus-refer-article-methods))
6861 (gnus-check-server gnus-override-method)
6862 ;; Fetch the header, and display the article.
6863 (when (setq number (gnus-summary-insert-subject message-id))
6864 (gnus-summary-select-article nil nil nil number)
6866 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
6868 (defun gnus-refer-article-methods ()
6869 "Return a list of referrable methods."
6871 ;; No method, so we default to current and native.
6872 ((null gnus-refer-article-method)
6873 (list gnus-current-select-method gnus-select-method))
6875 ((eq 'current gnus-refer-article-method)
6876 (list gnus-current-select-method))
6877 ;; List of select methods.
6878 ((not (stringp (cadr gnus-refer-article-method)))
6880 (dolist (method gnus-refer-article-method)
6881 (push (if (eq 'current method)
6882 gnus-current-select-method
6886 ;; One single select method.
6888 (list gnus-refer-article-method))))
6890 (defun gnus-summary-edit-parameters ()
6891 "Edit the group parameters of the current group."
6893 (gnus-group-edit-group gnus-newsgroup-name 'params))
6895 (defun gnus-summary-customize-parameters ()
6896 "Customize the group parameters of the current group."
6898 (gnus-group-customize gnus-newsgroup-name))
6900 (defun gnus-summary-enter-digest-group (&optional force)
6901 "Enter an nndoc group based on the current article.
6902 If FORCE, force a digest interpretation. If not, try
6903 to guess what the document format is."
6905 (let ((conf gnus-current-window-configuration))
6907 (gnus-summary-select-article))
6908 (setq gnus-current-window-configuration conf)
6909 (let* ((name (format "%s-%d"
6910 (gnus-group-prefixed-name
6911 gnus-newsgroup-name (list 'nndoc ""))
6913 (set-buffer gnus-summary-buffer)
6914 gnus-current-article)))
6915 (ogroup gnus-newsgroup-name)
6916 (params (append (gnus-info-params (gnus-get-info ogroup))
6917 (list (cons 'to-group ogroup))
6918 (list (cons 'save-article-group ogroup))))
6919 (case-fold-search t)
6920 (buf (current-buffer))
6923 (set-buffer gnus-original-article-buffer)
6924 ;; Have the digest group inherit the main mail address of
6925 ;; the parent article.
6926 (when (setq to-address (or (message-fetch-field "reply-to")
6927 (message-fetch-field "from")))
6928 (setq params (append (list (cons 'to-address to-address)))))
6929 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6930 (insert-buffer-substring gnus-original-article-buffer)
6931 ;; Remove lines that may lead nndoc to misinterpret the
6934 (goto-char (point-min))
6935 (or (search-forward "\n\n" nil t) (point)))
6936 (goto-char (point-min))
6937 (delete-matching-lines "^Path:\\|^From ")
6940 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
6941 (gnus-newsgroup-ephemeral-ignored-charsets
6942 gnus-newsgroup-ignored-charsets))
6943 (gnus-group-read-ephemeral-group
6944 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6946 ,(if force 'mbox 'guess))) t))
6947 ;; Make all postings to this group go to the parent group.
6948 (nconc (gnus-info-params (gnus-get-info name))
6950 ;; Couldn't select this doc group.
6951 (switch-to-buffer buf)
6952 (gnus-set-global-variables)
6953 (gnus-configure-windows 'summary)
6954 (gnus-message 3 "Article couldn't be entered?"))
6955 (kill-buffer dig)))))
6957 (defun gnus-summary-read-document (n)
6958 "Open a new group based on the current article(s).
6959 This will allow you to read digests and other similar
6960 documents as newsgroups.
6961 Obeys the standard process/prefix convention."
6963 (let* ((articles (gnus-summary-work-articles n))
6964 (ogroup gnus-newsgroup-name)
6965 (params (append (gnus-info-params (gnus-get-info ogroup))
6966 (list (cons 'to-group ogroup))))
6967 article group egroup groups vgroup)
6968 (while (setq article (pop articles))
6969 (setq group (format "%s-%d" gnus-newsgroup-name article))
6970 (gnus-summary-remove-process-mark article)
6971 (when (gnus-summary-display-article article)
6974 (insert-buffer-substring gnus-original-article-buffer)
6975 ;; Remove some headers that may lead nndoc to make
6977 (message-narrow-to-head)
6978 (goto-char (point-min))
6979 (delete-matching-lines "^\\(Path\\):\\|^From ")
6982 (gnus-group-read-ephemeral-group
6983 group `(nndoc ,group (nndoc-address ,(current-buffer))
6984 (nndoc-article-type guess))
6987 ;; Make all postings to this group go to the parent group.
6988 (nconc (gnus-info-params (gnus-get-info egroup))
6990 (push egroup groups))
6991 ;; Couldn't select this doc group.
6992 (gnus-error 3 "Article couldn't be entered"))))))
6993 ;; Now we have selected all the documents.
6996 (error "None of the articles could be interpreted as documents"))
6997 ((gnus-group-read-ephemeral-group
6998 (setq vgroup (format
6999 "nnvirtual:%s-%s" gnus-newsgroup-name
7000 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
7001 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
7003 (cons (current-buffer) 'summary)))
7005 (error "Couldn't select virtual nndoc group")))))
7007 (defun gnus-summary-isearch-article (&optional regexp-p)
7008 "Do incremental search forward on the current article.
7009 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
7011 (let* ((gnus-inhibit-treatment t)
7012 (old (gnus-summary-select-article)))
7013 (gnus-configure-windows 'article)
7014 (gnus-eval-in-buffer-window gnus-article-buffer
7018 (gnus-article-show-all-headers))
7019 (goto-char (point-min))
7020 (isearch-forward regexp-p)))))
7022 (defun gnus-summary-search-article-forward (regexp &optional backward)
7023 "Search for an article containing REGEXP forward.
7024 If BACKWARD, search backward instead."
7027 (format "Search article %s (regexp%s): "
7028 (if current-prefix-arg "backward" "forward")
7029 (if gnus-last-search-regexp
7030 (concat ", default " gnus-last-search-regexp)
7032 current-prefix-arg))
7033 (if (string-equal regexp "")
7034 (setq regexp (or gnus-last-search-regexp ""))
7035 (setq gnus-last-search-regexp regexp))
7036 (if (gnus-summary-search-article regexp backward)
7037 (gnus-summary-show-thread)
7038 (error "Search failed: \"%s\"" regexp)))
7040 (defun gnus-summary-search-article-backward (regexp)
7041 "Search for an article containing REGEXP backward."
7044 (format "Search article backward (regexp%s): "
7045 (if gnus-last-search-regexp
7046 (concat ", default " gnus-last-search-regexp)
7048 (gnus-summary-search-article-forward regexp 'backward))
7051 (defmacro gnus-summary-search-article-position-point (regexp backward)
7052 "Dehighlight the last matched text and goto the beginning position."
7053 (` (if (and gnus-summary-search-article-matched-data
7054 (let ((text (caddr gnus-summary-search-article-matched-data))
7055 (inhibit-read-only t)
7058 (goto-char (car gnus-summary-search-article-matched-data))
7059 (cadr gnus-summary-search-article-matched-data))
7061 (string-match (, regexp) text)))
7062 (if (, backward) (beginning-of-line) (end-of-line))
7063 (goto-char (if (, backward) (point-max) (point-min))))))
7065 (defmacro gnus-summary-search-article-highlight-goto-x-face (opoint)
7066 "Place point where X-Face image is displayed."
7067 (if (featurep 'xemacs)
7068 (` (let ((end (if (search-forward "\n\n" nil t)
7069 (goto-char (1- (point)))
7072 (or (search-backward "\n\n" nil t) (goto-char (point-min)))
7073 (unless (and (re-search-forward "^From:" end t)
7074 (setq extent (extent-at (point)))
7075 (extent-begin-glyph extent))
7076 (goto-char (, opoint)))))
7077 (` (let ((end (if (search-forward "\n\n" nil t)
7078 (goto-char (1- (point)))
7081 (or (text-property-any (or (search-backward "\n\n" nil t)
7083 end 'x-face-mule-bitmap-image t)
7086 (defmacro gnus-summary-search-article-highlight-matched-text
7087 (backward treated x-face)
7088 "Highlight matched text in the function `gnus-summary-search-article'."
7089 (` (let ((start (set-marker (make-marker) (match-beginning 0)))
7090 (end (set-marker (make-marker) (match-end 0)))
7091 (inhibit-read-only t)
7095 (let ((items (mapcar 'car gnus-treatment-function-alist)))
7097 (lambda (item) (setq items (delq item items)))
7098 '(gnus-treat-buttonize
7099 gnus-treat-fill-article
7100 gnus-treat-fill-long-lines
7101 gnus-treat-emphasize
7102 gnus-treat-highlight-headers
7103 gnus-treat-highlight-citation
7104 gnus-treat-highlight-signature
7105 gnus-treat-overstrike
7106 gnus-treat-display-xface
7107 gnus-treat-buttonize-head
7108 gnus-treat-decode-article-as-default-mime-charset))
7109 (static-if (featurep 'xemacs)
7111 (cons '(x-face-mule-delete-x-face-field
7114 (gnus-treat-display-xface
7115 (when (, x-face) gnus-treat-display-xface)))
7116 (gnus-article-prepare-mime-display)))
7117 (goto-char (if (, backward) start end))
7119 (gnus-summary-search-article-highlight-goto-x-face (point)))
7120 (setq gnus-summary-search-article-matched-data
7121 (list start end (buffer-substring start end)))
7122 (unless (eq start end);; matched text has been deleted. :-<
7123 (put-text-property start end 'face
7124 (or (find-face 'isearch)
7125 'secondary-selection))))))
7128 (defun gnus-summary-search-article (regexp &optional backward)
7129 "Search for an article containing REGEXP.
7130 Optional argument BACKWARD means do search for backward.
7131 `gnus-select-article-hook' is not called during the search."
7132 ;; We have to require this here to make sure that the following
7133 ;; dynamic binding isn't shadowed by autoloading.
7134 (require 'gnus-async)
7136 (let ((gnus-select-article-hook nil) ;Disable hook.
7137 (gnus-article-display-hook nil)
7138 (gnus-article-prepare-hook nil)
7139 (gnus-mark-article-hook nil) ;Inhibit marking as read.
7140 (gnus-use-article-prefetch nil)
7141 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
7142 (gnus-use-trees nil) ;Inhibit updating tree buffer.
7143 (sum (current-buffer))
7146 (gnus-save-hidden-threads
7147 (static-if (featurep 'xemacs)
7148 (let ((gnus-inhibit-treatment t))
7149 (setq treated (eq 'old (gnus-summary-select-article)))
7151 (not (and (gnus-buffer-live-p gnus-article-buffer)
7152 (window-live-p (get-buffer-window
7153 gnus-article-buffer t)))))
7154 (gnus-summary-select-article nil t)
7155 (setq treated nil)))
7156 (let ((gnus-inhibit-treatment t)
7157 (x-face-mule-delete-x-face-field 'never))
7158 (setq treated (eq 'old (gnus-summary-select-article)))
7161 (and (gnus-buffer-live-p gnus-article-buffer)
7162 (window-live-p (get-buffer-window
7163 gnus-article-buffer t))
7164 (or (not (string-match "^\\^X-Face:" regexp))
7165 (with-current-buffer gnus-article-buffer
7166 gnus-summary-search-article-matched-data)))))
7167 (gnus-summary-select-article nil t)
7168 (setq treated nil))))
7169 (set-buffer gnus-article-buffer)
7173 (gnus-article-show-all-headers)
7174 (gnus-summary-search-article-position-point regexp backward))
7175 (goto-char (if backward (point-max) (point-min))))
7177 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
7179 (re-search-backward regexp nil t)
7180 (re-search-forward regexp nil t))
7181 ;; We found the regexp.
7183 (gnus-summary-search-article-highlight-matched-text
7184 backward treated (string-match "^\\^X-Face:" regexp))
7187 (/ (- 2 (window-height
7188 (get-buffer-window gnus-article-buffer t)))
7191 (get-buffer-window (current-buffer))
7194 (setq point (point)))
7195 ;; We didn't find it, so we go to the next article.
7198 (while (eq found 'not)
7199 (if (not (if backward (gnus-summary-find-prev)
7200 (gnus-summary-find-next)))
7201 ;; No more articles.
7203 ;; Select the next article and adjust point.
7204 (unless (gnus-summary-article-sparse-p
7205 (gnus-summary-article-number))
7207 (let ((gnus-inhibit-treatment t))
7208 (gnus-summary-select-article))
7210 (set-buffer gnus-article-buffer)
7212 (goto-char (if backward (point-max) (point-min))))))))
7213 (gnus-message 7 ""))
7214 ;; Return whether we found the regexp.
7215 (when (eq found 'found)
7217 (gnus-summary-show-thread)
7218 (gnus-summary-goto-subject gnus-current-article)
7219 (gnus-summary-position-point)
7222 (defun gnus-summary-find-matching (header regexp &optional backward unread
7224 "Return a list of all articles that match REGEXP on HEADER.
7225 The search stars on the current article and goes forwards unless
7226 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
7227 If UNREAD is non-nil, only unread articles will
7228 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
7229 in the comparisons."
7230 (let ((data (if (eq backward 'all) gnus-newsgroup-data
7231 (gnus-data-find-list
7232 (gnus-summary-article-number) (gnus-data-list backward))))
7233 (case-fold-search (not not-case-fold))
7236 (if (eq (car header) 'extra)
7239 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
7241 (error "%s is an invalid header" header))
7242 (unless (fboundp (intern (concat "mail-header-" header)))
7243 (error "%s is not a valid header" header))
7244 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
7247 (and (or (not unread) ; We want all articles...
7248 (gnus-data-unread-p d)) ; Or just unreads.
7249 (vectorp (gnus-data-header d)) ; It's not a pseudo.
7250 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
7251 (push (gnus-data-number d) articles)) ; Success!
7252 (setq data (cdr data)))
7253 (nreverse articles)))
7255 (defun gnus-summary-execute-command (header regexp command &optional backward)
7256 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
7257 If HEADER is an empty string (or nil), the match is done on the entire
7258 article. If BACKWARD (the prefix) is non-nil, search backward instead."
7260 (list (let ((completion-ignore-case t))
7263 (mapcar (lambda (string) (list string))
7264 '("Number" "Subject" "From" "Lines" "Date"
7265 "Message-ID" "Xref" "References" "Body"))
7266 nil 'require-match))
7267 (read-string "Regexp: ")
7268 (read-key-sequence "Command: ")
7269 current-prefix-arg))
7270 (when (equal header "Body")
7272 ;; Hidden thread subtrees must be searched as well.
7273 (gnus-summary-show-all-threads)
7274 ;; We don't want to change current point nor window configuration.
7276 (save-window-excursion
7277 (gnus-message 6 "Executing %s..." (key-description command))
7278 ;; We'd like to execute COMMAND interactively so as to give arguments.
7279 (gnus-execute header regexp
7280 `(call-interactively ',(key-binding command))
7282 (gnus-message 6 "Executing %s...done" (key-description command)))))
7284 (defun gnus-summary-beginning-of-article ()
7285 "Scroll the article back to the beginning."
7287 (gnus-summary-select-article)
7288 (gnus-configure-windows 'article)
7289 (gnus-eval-in-buffer-window gnus-article-buffer
7291 (goto-char (point-min))
7292 (when gnus-page-broken
7293 (gnus-narrow-to-page))))
7295 (defun gnus-summary-end-of-article ()
7296 "Scroll to the end of the article."
7298 (gnus-summary-select-article)
7299 (gnus-configure-windows 'article)
7300 (gnus-eval-in-buffer-window gnus-article-buffer
7302 (goto-char (point-max))
7304 (when gnus-page-broken
7305 (gnus-narrow-to-page))))
7307 (defun gnus-summary-print-article (&optional filename n)
7308 "Generate and print a PostScript image of the N next (mail) articles.
7310 If N is negative, print the N previous articles. If N is nil and articles
7311 have been marked with the process mark, print these instead.
7313 If the optional first argument FILENAME is nil, send the image to the
7314 printer. If FILENAME is a string, save the PostScript image in a file with
7315 that name. If FILENAME is a number, prompt the user for the name of the file
7317 (interactive (list (ps-print-preprint current-prefix-arg)
7318 current-prefix-arg))
7319 (dolist (article (gnus-summary-work-articles n))
7320 (gnus-summary-select-article nil nil 'pseudo article)
7321 (gnus-eval-in-buffer-window gnus-article-buffer
7322 (let ((buffer (generate-new-buffer " *print*")))
7325 (copy-to-buffer buffer (point-min) (point-max))
7327 (gnus-article-delete-invisible-text)
7328 (let ((ps-left-header
7331 (mail-header-subject gnus-current-headers) ")")
7333 (mail-header-from gnus-current-headers) ")")))
7336 "/pagenumberstring load"
7338 (mail-header-date gnus-current-headers) ")"))))
7339 (gnus-run-hooks 'gnus-ps-print-hook)
7341 (ps-print-buffer-with-faces filename))))
7342 (kill-buffer buffer))))))
7344 (defun gnus-summary-show-article (&optional arg)
7345 "Force re-fetching of the current article.
7346 If ARG (the prefix) is a number, show the article with the charset
7347 defined in `gnus-summary-show-article-charset-alist', or the charset
7349 If ARG (the prefix) is non-nil and not a number, show the raw article
7350 without any article massaging functions being run."
7354 (let ((gnus-newsgroup-charset
7355 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
7356 (read-coding-system "Charset: ")))
7357 (gnus-newsgroup-ignored-charsets 'gnus-all))
7358 (gnus-summary-select-article nil 'force)))
7360 ;; Select the article the normal way.
7361 (gnus-summary-select-article nil 'force))
7363 ;; We have to require this here to make sure that the following
7364 ;; dynamic binding isn't shadowed by autoloading.
7365 (require 'gnus-async)
7367 ;; Bind the article treatment functions to nil.
7368 (let ((gnus-have-all-headers t)
7369 gnus-article-display-hook
7370 gnus-article-prepare-hook
7371 gnus-article-decode-hook
7374 (gnus-summary-select-article nil 'force))))
7375 (gnus-summary-goto-subject gnus-current-article)
7376 (gnus-summary-position-point))
7378 (defun gnus-summary-verbose-headers (&optional arg)
7379 "Toggle permanent full header display.
7380 If ARG is a positive number, turn header display on.
7381 If ARG is a negative number, turn header display off."
7383 (setq gnus-show-all-headers
7384 (cond ((or (not (numberp arg))
7386 (not gnus-show-all-headers))
7389 (gnus-summary-show-article))
7391 (defun gnus-summary-toggle-header (&optional arg)
7392 "Show the headers if they are hidden, or hide them if they are shown.
7393 If ARG is a positive number, show the entire header.
7394 If ARG is a negative number, hide the unwanted header lines."
7397 (set-buffer gnus-article-buffer)
7399 (let* ((buffer-read-only nil)
7400 (inhibit-point-motion-hooks t)
7406 (article-narrow-to-head)
7407 (gnus-article-hidden-text-p 'headers))))
7408 (goto-char (point-min))
7409 (when (search-forward "\n\n" nil t)
7410 (delete-region (point-min) (1- (point))))
7411 (goto-char (point-min))
7413 (set-buffer gnus-original-article-buffer)
7414 (goto-char (point-min))
7415 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
7416 (insert-buffer-substring gnus-original-article-buffer 1 e)
7418 (narrow-to-region (point-min) (point))
7419 (article-decode-encoded-words)
7421 (let ((gnus-treat-hide-headers nil)
7422 (gnus-treat-hide-boring-headers nil))
7423 (setq gnus-article-wash-types
7424 (delq 'headers gnus-article-wash-types))
7425 (gnus-treat-article 'head))
7426 (gnus-treat-article 'head)))
7427 (gnus-set-mode-line 'article)))))
7429 (defun gnus-summary-show-all-headers ()
7430 "Make all header lines visible."
7432 (gnus-article-show-all-headers))
7434 (defun gnus-summary-toggle-mime (&optional arg)
7435 "Toggle MIME processing.
7436 If ARG is a positive number, turn MIME processing on."
7438 (setq gnus-show-mime
7440 (not gnus-show-mime)
7441 (> (prefix-numeric-value arg) 0)))
7442 (gnus-summary-select-article t 'force))
7444 (defun gnus-summary-caesar-message (&optional arg)
7445 "Caesar rotate the current article by 13.
7446 The numerical prefix specifies how many places to rotate each letter
7449 (gnus-summary-select-article)
7450 (let ((mail-header-separator ""))
7451 (gnus-eval-in-buffer-window gnus-article-buffer
7454 (let ((start (window-start))
7456 (message-caesar-buffer-body arg)
7457 (set-window-start (get-buffer-window (current-buffer)) start))))))
7459 (defun gnus-summary-stop-page-breaking ()
7460 "Stop page breaking in the current article."
7462 (gnus-summary-select-article)
7463 (gnus-eval-in-buffer-window gnus-article-buffer
7465 (when (gnus-visual-p 'page-marker)
7466 (let ((buffer-read-only nil))
7467 (gnus-remove-text-with-property 'gnus-prev)
7468 (gnus-remove-text-with-property 'gnus-next))
7469 (setq gnus-page-broken nil))))
7471 (defun gnus-summary-move-article (&optional n to-newsgroup
7472 select-method action)
7473 "Move the current article to a different newsgroup.
7474 If N is a positive number, move the N next articles.
7475 If N is a negative number, move the N previous articles.
7476 If N is nil and any articles have been marked with the process mark,
7477 move those articles instead.
7478 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7479 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7480 re-spool using this method.
7482 For this function to work, both the current newsgroup and the
7483 newsgroup that you want to move to have to support the `request-move'
7484 and `request-accept' functions.
7486 ACTION can be either `move' (the default), `crosspost' or `copy'."
7489 (setq action 'move))
7490 ;; Disable marking as read.
7491 (let (gnus-mark-article-hook)
7492 (save-window-excursion
7493 (gnus-summary-select-article)))
7494 ;; Check whether the source group supports the required functions.
7495 (cond ((and (eq action 'move)
7496 (not (gnus-check-backend-function
7497 'request-move-article gnus-newsgroup-name)))
7498 (error "The current group does not support article moving"))
7499 ((and (eq action 'crosspost)
7500 (not (gnus-check-backend-function
7501 'request-replace-article gnus-newsgroup-name)))
7502 (error "The current group does not support article editing")))
7503 (let ((articles (gnus-summary-work-articles n))
7504 (prefix (if (gnus-check-backend-function
7505 'request-move-article gnus-newsgroup-name)
7506 (gnus-group-real-prefix gnus-newsgroup-name)
7508 (names '((move "Move" "Moving")
7509 (copy "Copy" "Copying")
7510 (crosspost "Crosspost" "Crossposting")))
7511 (copy-buf (save-excursion
7512 (nnheader-set-temp-buffer " *copy article*")))
7513 (default-marks gnus-article-mark-lists)
7514 (no-expire-marks (delete '(expirable . expire)
7515 (copy-sequence gnus-article-mark-lists)))
7516 art-group to-method new-xref article to-groups)
7517 (unless (assq action names)
7518 (error "Unknown action %s" action))
7519 ;; Read the newsgroup name.
7520 (when (and (not to-newsgroup)
7521 (not select-method))
7523 (gnus-read-move-group-name
7524 (cadr (assq action names))
7525 (symbol-value (intern (format "gnus-current-%s-group" action)))
7527 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
7528 (setq to-method (or select-method
7529 (gnus-server-to-method
7530 (gnus-group-method to-newsgroup))))
7531 ;; Check the method we are to move this article to...
7532 (unless (gnus-check-backend-function
7533 'request-accept-article (car to-method))
7534 (error "%s does not support article copying" (car to-method)))
7535 (unless (gnus-check-server to-method)
7536 (error "Can't open server %s" (car to-method)))
7537 (gnus-message 6 "%s to %s: %s..."
7538 (caddr (assq action names))
7539 (or (car select-method) to-newsgroup) articles)
7541 (setq article (pop articles))
7545 ;; Move the article.
7547 ;; Remove this article from future suppression.
7548 (gnus-dup-unsuppress-article article)
7549 (gnus-request-move-article
7550 article ; Article to move
7551 gnus-newsgroup-name ; From newsgroup
7552 (nth 1 (gnus-find-method-for-group
7553 gnus-newsgroup-name)) ; Server
7554 (list 'gnus-request-accept-article
7555 to-newsgroup (list 'quote select-method)
7556 (not articles) t) ; Accept form
7557 (not articles))) ; Only save nov last time
7558 ;; Copy the article.
7561 (set-buffer copy-buf)
7562 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
7563 (gnus-request-accept-article
7564 to-newsgroup select-method (not articles) t))))
7565 ;; Crosspost the article.
7566 ((eq action 'crosspost)
7567 (let ((xref (message-tokenize-header
7568 (mail-header-xref (gnus-summary-article-header article))
7570 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7573 (setq xref (list (system-name))))
7576 (mapconcat 'identity
7577 (delete "Xref:" (delete new-xref xref))
7581 (set-buffer copy-buf)
7582 ;; First put the article in the destination group.
7583 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7584 (when (consp (setq art-group
7585 (gnus-request-accept-article
7586 to-newsgroup select-method (not articles))))
7587 (setq new-xref (concat new-xref " " (car art-group)
7588 ":" (cdr art-group)))
7589 ;; Now we have the new Xrefs header, so we insert
7590 ;; it and replace the new article.
7591 (nnheader-replace-header "Xref" new-xref)
7592 (gnus-request-replace-article
7593 (cdr art-group) to-newsgroup (current-buffer))
7597 (gnus-message 1 "Couldn't %s article %s: %s"
7598 (cadr (assq action names)) article
7599 (nnheader-get-report (car to-method))))
7600 ((eq art-group 'junk)
7601 (when (eq action 'move)
7602 (gnus-summary-mark-article article gnus-canceled-mark)
7603 (gnus-message 4 "Deleted article %s" article)))
7605 (let* ((pto-group (gnus-group-prefixed-name
7606 (car art-group) to-method))
7608 (gnus-gethash pto-group gnus-newsrc-hashtb))
7609 (info (nth 2 entry))
7610 (to-group (gnus-info-group info))
7612 ;; Update the group that has been moved to.
7614 (memq action '(move copy)))
7615 (unless (member to-group to-groups)
7616 (push to-group to-groups))
7618 (unless (memq article gnus-newsgroup-unreads)
7619 (push 'read to-marks)
7621 info (gnus-add-to-range (gnus-info-read info)
7622 (list (cdr art-group)))))
7624 ;; See whether the article is to be put in the cache.
7625 (let ((marks (if (gnus-group-auto-expirable-p to-group)
7628 (to-article (cdr art-group)))
7630 ;; Enter the article into the cache in the new group,
7631 ;; if that is required.
7632 (when gnus-use-cache
7633 (gnus-cache-possibly-enter-article
7635 (let ((header (copy-sequence
7636 (gnus-summary-article-header article))))
7637 (mail-header-set-number header to-article)
7639 (memq article gnus-newsgroup-marked)
7640 (memq article gnus-newsgroup-dormant)
7641 (memq article gnus-newsgroup-unreads)))
7643 (when gnus-preserve-marks
7644 ;; Copy any marks over to the new group.
7645 (when (and (equal to-group gnus-newsgroup-name)
7646 (not (memq article gnus-newsgroup-unreads)))
7647 ;; Mark this article as read in this group.
7648 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7649 (setcdr (gnus-active to-group) to-article)
7650 (setcdr gnus-newsgroup-active to-article))
7653 (when (memq article (symbol-value
7654 (intern (format "gnus-newsgroup-%s"
7656 (push (cdar marks) to-marks)
7657 ;; If the other group is the same as this group,
7658 ;; then we have to add the mark to the list.
7659 (when (equal to-group gnus-newsgroup-name)
7660 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7663 (intern (format "gnus-newsgroup-%s"
7665 ;; Copy the marks to other group.
7666 (gnus-add-marked-articles
7667 to-group (cdar marks) (list to-article) info))
7668 (setq marks (cdr marks)))
7670 (gnus-request-set-mark to-group (list (list (list to-article)
7675 (concat "(gnus-group-set-info '"
7676 (gnus-prin1-to-string (gnus-get-info to-group))
7679 ;; Update the Xref header in this article to point to
7680 ;; the new crossposted article we have just created.
7681 (when (eq action 'crosspost)
7683 (set-buffer copy-buf)
7684 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7685 (nnheader-replace-header "Xref" new-xref)
7686 (gnus-request-replace-article
7687 article gnus-newsgroup-name (current-buffer)))))
7689 ;;;!!!Why is this necessary?
7690 (set-buffer gnus-summary-buffer)
7692 (gnus-summary-goto-subject article)
7693 (when (eq action 'move)
7694 (gnus-summary-mark-article article gnus-canceled-mark))))
7695 (gnus-summary-remove-process-mark article))
7696 ;; Re-activate all groups that have been moved to.
7699 (set-buffer gnus-group-buffer)
7700 (when (gnus-group-goto-group (car to-groups) t)
7701 (gnus-group-get-new-news-this-group 1 t))
7704 (gnus-kill-buffer copy-buf)
7705 (gnus-summary-position-point)
7706 (gnus-set-mode-line 'summary)))
7708 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7709 "Move the current article to a different newsgroup.
7710 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7711 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7712 re-spool using this method."
7714 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7716 (defun gnus-summary-crosspost-article (&optional n)
7717 "Crosspost the current article to some other group."
7719 (gnus-summary-move-article n nil nil 'crosspost))
7721 (defcustom gnus-summary-respool-default-method nil
7722 "Default method for respooling an article.
7723 If nil, use to the current newsgroup method."
7724 :type '(choice (gnus-select-method :value (nnml ""))
7726 :group 'gnus-summary-mail)
7728 (defun gnus-summary-respool-article (&optional n method)
7729 "Respool the current article.
7730 The article will be squeezed through the mail spooling process again,
7731 which means that it will be put in some mail newsgroup or other
7732 depending on `nnmail-split-methods'.
7733 If N is a positive number, respool the N next articles.
7734 If N is a negative number, respool the N previous articles.
7735 If N is nil and any articles have been marked with the process mark,
7736 respool those articles instead.
7738 Respooling can be done both from mail groups and \"real\" newsgroups.
7739 In the former case, the articles in question will be moved from the
7740 current group into whatever groups they are destined to. In the
7741 latter case, they will be copied into the relevant groups."
7743 (list current-prefix-arg
7744 (let* ((methods (gnus-methods-using 'respool))
7746 (symbol-name (or gnus-summary-respool-default-method
7747 (car (gnus-find-method-for-group
7748 gnus-newsgroup-name)))))
7750 (gnus-completing-read
7751 methname "What backend do you want to use when respooling?"
7752 methods nil t nil 'gnus-mail-method-history))
7755 ((zerop (length (setq ms (gnus-servers-using-backend
7757 (list (intern method) ""))
7761 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7762 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7765 (error "No method given for respooling"))
7766 (if (assoc (symbol-name
7767 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7768 (gnus-methods-using 'respool))
7769 (gnus-summary-move-article n nil method)
7770 (gnus-summary-copy-article n nil method)))
7772 (defun gnus-summary-import-article (file)
7773 "Import an arbitrary file into a mail newsgroup."
7774 (interactive "fImport file: ")
7775 (let ((group gnus-newsgroup-name)
7776 (now (current-time))
7778 (unless (gnus-check-backend-function 'request-accept-article group)
7779 (error "%s does not support article importing" group))
7780 (or (file-readable-p file)
7781 (not (file-regular-p file))
7782 (error "Can't read %s" file))
7784 (set-buffer (gnus-get-buffer-create " *import file*"))
7786 (nnheader-insert-file-contents file)
7787 (goto-char (point-min))
7788 (unless (nnheader-article-p)
7789 ;; This doesn't look like an article, so we fudge some headers.
7790 (setq atts (file-attributes file)
7791 lines (count-lines (point-min) (point-max)))
7792 (insert "From: " (read-string "From: ") "\n"
7793 "Subject: " (read-string "Subject: ") "\n"
7794 "Date: " (message-make-date (nth 5 atts))
7796 "Message-ID: " (message-make-message-id) "\n"
7797 "Lines: " (int-to-string lines) "\n"
7798 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7799 (gnus-request-accept-article group nil t)
7800 (kill-buffer (current-buffer)))))
7802 (defun gnus-summary-article-posted-p ()
7803 "Say whether the current (mail) article is available from news as well.
7804 This will be the case if the article has both been mailed and posted."
7806 (let ((id (mail-header-references (gnus-summary-article-header)))
7807 (gnus-override-method (car (gnus-refer-article-methods))))
7808 (if (gnus-request-head id "")
7809 (gnus-message 2 "The current message was found on %s"
7810 gnus-override-method)
7811 (gnus-message 2 "The current message couldn't be found on %s"
7812 gnus-override-method)
7815 (defun gnus-summary-expire-articles (&optional now)
7816 "Expire all articles that are marked as expirable in the current group."
7818 (when (gnus-check-backend-function
7819 'request-expire-articles gnus-newsgroup-name)
7820 ;; This backend supports expiry.
7821 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7822 (expirable (if total
7824 ;; We need to update the info for
7825 ;; this group for `gnus-list-of-read-articles'
7826 ;; to give us the right answer.
7827 (gnus-run-hooks 'gnus-exit-group-hook)
7828 (gnus-summary-update-info)
7829 (gnus-list-of-read-articles gnus-newsgroup-name))
7830 (setq gnus-newsgroup-expirable
7831 (sort gnus-newsgroup-expirable '<))))
7832 (expiry-wait (if now 'immediate
7833 (gnus-group-find-parameter
7834 gnus-newsgroup-name 'expiry-wait)))
7837 ;; There are expirable articles in this group, so we run them
7838 ;; through the expiry process.
7839 (gnus-message 6 "Expiring articles...")
7840 (unless (gnus-check-group gnus-newsgroup-name)
7841 (error "Can't open server for %s" gnus-newsgroup-name))
7842 ;; The list of articles that weren't expired is returned.
7845 (let ((nnmail-expiry-wait-function nil)
7846 (nnmail-expiry-wait expiry-wait))
7847 (setq es (gnus-request-expire-articles
7848 expirable gnus-newsgroup-name)))
7849 (setq es (gnus-request-expire-articles
7850 expirable gnus-newsgroup-name))))
7852 (setq gnus-newsgroup-expirable es))
7853 ;; We go through the old list of expirable, and mark all
7854 ;; really expired articles as nonexistent.
7855 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7856 (let ((gnus-use-cache nil))
7858 (unless (memq (car expirable) es)
7859 (when (gnus-data-find (car expirable))
7860 (gnus-summary-mark-article
7861 (car expirable) gnus-canceled-mark)))
7862 (setq expirable (cdr expirable)))))
7863 (gnus-message 6 "Expiring articles...done")))))
7865 (defun gnus-summary-expire-articles-now ()
7866 "Expunge all expirable articles in the current group.
7867 This means that *all* articles that are marked as expirable will be
7868 deleted forever, right now."
7870 (or gnus-expert-user
7872 "Are you really, really, really sure you want to delete all these messages? ")
7874 (gnus-summary-expire-articles t))
7876 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7877 (defun gnus-summary-delete-article (&optional n)
7878 "Delete the N next (mail) articles.
7879 This command actually deletes articles. This is not a marking
7880 command. The article will disappear forever from your life, never to
7882 If N is negative, delete backwards.
7883 If N is nil and articles have been marked with the process mark,
7884 delete these instead."
7886 (unless (gnus-check-backend-function 'request-expire-articles
7887 gnus-newsgroup-name)
7888 (error "The current newsgroup does not support article deletion"))
7889 ;; Compute the list of articles to delete.
7890 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7892 (if (and gnus-novice-user
7893 (not (gnus-yes-or-no-p
7894 (format "Do you really want to delete %s forever? "
7895 (if (> (length articles) 1)
7896 (format "these %s articles" (length articles))
7899 ;; Delete the articles.
7900 (setq not-deleted (gnus-request-expire-articles
7901 articles gnus-newsgroup-name 'force))
7903 (gnus-summary-remove-process-mark (car articles))
7904 ;; The backend might not have been able to delete the article
7906 (unless (memq (car articles) not-deleted)
7907 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7908 (setq articles (cdr articles)))
7910 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7911 (gnus-summary-position-point)
7912 (gnus-set-mode-line 'summary)
7915 (defun gnus-summary-edit-article (&optional force)
7916 "Edit the current article.
7917 This will have permanent effect only in mail groups.
7918 If FORCE is non-nil, allow editing of articles even in read-only
7922 (set-buffer gnus-summary-buffer)
7923 (let ((mail-parse-charset gnus-newsgroup-charset)
7924 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
7925 (gnus-set-global-variables)
7926 (when (and (not force)
7927 (gnus-group-read-only-p))
7928 (error "The current newsgroup does not support article editing"))
7929 (gnus-summary-show-article t)
7930 (gnus-article-edit-article
7932 `(lambda (no-highlight)
7933 (let ((mail-parse-charset ',gnus-newsgroup-charset)
7934 (mail-parse-ignored-charsets
7935 ',gnus-newsgroup-ignored-charsets))
7936 (gnus-summary-edit-article-done
7937 ,(or (mail-header-references gnus-current-headers) "")
7938 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
7940 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7942 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7944 "Make edits to the current article permanent."
7946 ;; Replace the article.
7947 (let ((buf (current-buffer)))
7949 (insert-buffer-substring buf)
7950 (if (and (not read-only)
7951 (not (gnus-request-replace-article
7952 (cdr gnus-article-current) (car gnus-article-current)
7953 (current-buffer) t)))
7954 (error "Couldn't replace article")
7955 ;; Update the summary buffer.
7957 (equal (message-tokenize-header references " ")
7958 (message-tokenize-header
7959 (or (message-fetch-field "references") "") " ")))
7960 ;; We only have to update this line.
7963 (message-narrow-to-head)
7964 (let ((head (buffer-string))
7967 (insert (format "211 %d Article retrieved.\n"
7968 (cdr gnus-article-current)))
7971 (let ((nntp-server-buffer (current-buffer)))
7972 (setq header (car (gnus-get-newsgroup-headers
7974 (set-buffer gnus-summary-buffer)
7975 gnus-newsgroup-dependencies)
7978 (set-buffer gnus-summary-buffer)
7979 (gnus-data-set-header
7980 (gnus-data-find (cdr gnus-article-current))
7982 (gnus-summary-update-article-line
7983 (cdr gnus-article-current) header))))))
7985 (set-buffer (or buffer gnus-summary-buffer))
7986 (gnus-summary-update-article (cdr gnus-article-current)))
7987 ;; Prettify the article buffer again.
7988 (unless no-highlight
7990 (set-buffer gnus-article-buffer)
7991 ;;;!!! Fix this -- article should be rehighlighted.
7992 ;;;(gnus-run-hooks 'gnus-article-display-hook)
7993 (set-buffer gnus-original-article-buffer)
7994 (gnus-request-article
7995 (cdr gnus-article-current)
7996 (car gnus-article-current) (current-buffer))))
7997 ;; Prettify the summary buffer line.
7998 (when (gnus-visual-p 'summary-highlight 'highlight)
7999 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
8001 (defun gnus-summary-edit-wash (key)
8002 "Perform editing command KEY in the article buffer."
8006 (message "%s" (concat (this-command-keys) "- "))
8009 (gnus-summary-edit-article)
8010 (execute-kbd-macro (concat (this-command-keys) key))
8011 (gnus-article-edit-done))
8015 (defun gnus-summary-respool-query (&optional silent trace)
8016 "Query where the respool algorithm would put this article."
8018 (let (gnus-mark-article-hook)
8019 (gnus-summary-select-article)
8021 (set-buffer gnus-original-article-buffer)
8023 (message-narrow-to-head)
8024 (let ((groups (nnmail-article-group 'identity trace)))
8027 (message "This message would go to %s"
8028 (mapconcat 'car groups ", "))
8029 (message "This message would go to no groups"))
8032 (defun gnus-summary-respool-trace ()
8033 "Trace where the respool algorithm would put this article.
8034 Display a buffer showing all fancy splitting patterns which matched."
8036 (gnus-summary-respool-query nil t))
8038 ;; Summary marking commands.
8040 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
8041 "Mark articles which has the same subject as read, and then select the next.
8042 If UNMARK is positive, remove any kind of mark.
8043 If UNMARK is negative, tick articles."
8046 (setq unmark (prefix-numeric-value unmark)))
8048 (gnus-summary-mark-same-subject
8049 (gnus-summary-article-subject) unmark)))
8050 ;; Select next unread article. If auto-select-same mode, should
8051 ;; select the first unread article.
8052 (gnus-summary-next-article t (and gnus-auto-select-same
8053 (gnus-summary-article-subject)))
8054 (gnus-message 7 "%d article%s marked as %s"
8055 count (if (= count 1) " is" "s are")
8056 (if unmark "unread" "read"))))
8058 (defun gnus-summary-kill-same-subject (&optional unmark)
8059 "Mark articles which has the same subject as read.
8060 If UNMARK is positive, remove any kind of mark.
8061 If UNMARK is negative, tick articles."
8064 (setq unmark (prefix-numeric-value unmark)))
8066 (gnus-summary-mark-same-subject
8067 (gnus-summary-article-subject) unmark)))
8068 ;; If marked as read, go to next unread subject.
8070 ;; Go to next unread subject.
8071 (gnus-summary-next-subject 1 t))
8072 (gnus-message 7 "%d articles are marked as %s"
8073 count (if unmark "unread" "read"))))
8075 (defun gnus-summary-mark-same-subject (subject &optional unmark)
8076 "Mark articles with same SUBJECT as read, and return marked number.
8077 If optional argument UNMARK is positive, remove any kinds of marks.
8078 If optional argument UNMARK is negative, mark articles as unread instead."
8082 ((null unmark) ; Mark as read.
8085 (gnus-summary-mark-article-as-read gnus-killed-mark)
8086 (gnus-summary-show-thread) t)
8087 (gnus-summary-find-subject subject))
8088 (setq count (1+ count))))
8089 ((> unmark 0) ; Tick.
8092 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
8093 (gnus-summary-show-thread) t)
8094 (gnus-summary-find-subject subject))
8095 (setq count (1+ count))))
8096 (t ; Mark as unread.
8099 (gnus-summary-mark-article-as-unread gnus-unread-mark)
8100 (gnus-summary-show-thread) t)
8101 (gnus-summary-find-subject subject))
8102 (setq count (1+ count)))))
8103 (gnus-set-mode-line 'summary)
8104 ;; Return the number of marked articles.
8107 (defun gnus-summary-mark-as-processable (n &optional unmark)
8108 "Set the process mark on the next N articles.
8109 If N is negative, mark backward instead. If UNMARK is non-nil, remove
8110 the process mark instead. The difference between N and the actual
8111 number of articles marked is returned."
8113 (let ((backward (< n 0))
8118 (gnus-summary-remove-process-mark
8119 (gnus-summary-article-number))
8120 (gnus-summary-set-process-mark (gnus-summary-article-number)))
8121 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
8124 (gnus-message 7 "No more articles"))
8125 (gnus-summary-recenter)
8126 (gnus-summary-position-point)
8129 (defun gnus-summary-unmark-as-processable (n)
8130 "Remove the process mark from the next N articles.
8131 If N is negative, unmark backward instead. The difference between N and
8132 the actual number of articles unmarked is returned."
8134 (gnus-summary-mark-as-processable n t))
8136 (defun gnus-summary-unmark-all-processable ()
8137 "Remove the process mark from all articles."
8140 (while gnus-newsgroup-processable
8141 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
8142 (gnus-summary-position-point))
8144 (defun gnus-summary-mark-as-expirable (n)
8145 "Mark N articles forward as expirable.
8146 If N is negative, mark backward instead. The difference between N and
8147 the actual number of articles marked is returned."
8149 (gnus-summary-mark-forward n gnus-expirable-mark))
8151 (defun gnus-summary-mark-article-as-replied (article)
8152 "Mark ARTICLE replied and update the summary line."
8153 (push article gnus-newsgroup-replied)
8154 (let ((buffer-read-only nil))
8155 (when (gnus-summary-goto-subject article nil t)
8156 (gnus-summary-update-secondary-mark article))))
8158 (defun gnus-summary-set-bookmark (article)
8159 "Set a bookmark in current article."
8160 (interactive (list (gnus-summary-article-number)))
8161 (when (or (not (get-buffer gnus-article-buffer))
8162 (not gnus-current-article)
8163 (not gnus-article-current)
8164 (not (equal gnus-newsgroup-name (car gnus-article-current))))
8165 (error "No current article selected"))
8166 ;; Remove old bookmark, if one exists.
8167 (let ((old (assq article gnus-newsgroup-bookmarks)))
8169 (setq gnus-newsgroup-bookmarks
8170 (delq old gnus-newsgroup-bookmarks))))
8171 ;; Set the new bookmark, which is on the form
8172 ;; (article-number . line-number-in-body).
8176 (set-buffer gnus-article-buffer)
8180 (goto-char (point-min))
8181 (search-forward "\n\n" nil t)
8184 gnus-newsgroup-bookmarks)
8185 (gnus-message 6 "A bookmark has been added to the current article."))
8187 (defun gnus-summary-remove-bookmark (article)
8188 "Remove the bookmark from the current article."
8189 (interactive (list (gnus-summary-article-number)))
8190 ;; Remove old bookmark, if one exists.
8191 (let ((old (assq article gnus-newsgroup-bookmarks)))
8194 (setq gnus-newsgroup-bookmarks
8195 (delq old gnus-newsgroup-bookmarks))
8196 (gnus-message 6 "Removed bookmark."))
8197 (gnus-message 6 "No bookmark in current article."))))
8199 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8200 (defun gnus-summary-mark-as-dormant (n)
8201 "Mark N articles forward as dormant.
8202 If N is negative, mark backward instead. The difference between N and
8203 the actual number of articles marked is returned."
8205 (gnus-summary-mark-forward n gnus-dormant-mark))
8207 (defun gnus-summary-set-process-mark (article)
8208 "Set the process mark on ARTICLE and update the summary line."
8209 (setq gnus-newsgroup-processable
8211 (delq article gnus-newsgroup-processable)))
8212 (when (gnus-summary-goto-subject article)
8213 (gnus-summary-show-thread)
8214 (gnus-summary-goto-subject article)
8215 (gnus-summary-update-secondary-mark article)))
8217 (defun gnus-summary-remove-process-mark (article)
8218 "Remove the process mark from ARTICLE and update the summary line."
8219 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
8220 (when (gnus-summary-goto-subject article)
8221 (gnus-summary-show-thread)
8222 (gnus-summary-goto-subject article)
8223 (gnus-summary-update-secondary-mark article)))
8225 (defun gnus-summary-set-saved-mark (article)
8226 "Set the process mark on ARTICLE and update the summary line."
8227 (push article gnus-newsgroup-saved)
8228 (when (gnus-summary-goto-subject article)
8229 (gnus-summary-update-secondary-mark article)))
8231 (defun gnus-summary-mark-forward (n &optional mark no-expire)
8232 "Mark N articles as read forwards.
8233 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
8234 The difference between N and the actual number of articles marked is
8236 Iff NO-EXPIRE, auto-expiry will be inhibited."
8238 (gnus-summary-show-thread)
8239 (let ((backward (< n 0))
8240 (gnus-summary-goto-unread
8241 (and gnus-summary-goto-unread
8242 (not (eq gnus-summary-goto-unread 'never))
8243 (not (memq mark (list gnus-unread-mark
8244 gnus-ticked-mark gnus-dormant-mark)))))
8246 (mark (or mark gnus-del-mark)))
8248 (gnus-summary-mark-article nil mark no-expire)
8249 (zerop (gnus-summary-next-subject
8251 (and gnus-summary-goto-unread
8252 (not (eq gnus-summary-goto-unread 'never)))
8256 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
8257 (gnus-summary-recenter)
8258 (gnus-summary-position-point)
8259 (gnus-set-mode-line 'summary)
8262 (defun gnus-summary-mark-article-as-read (mark)
8263 "Mark the current article quickly as read with MARK."
8264 (let ((article (gnus-summary-article-number)))
8265 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8266 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8267 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8268 (push (cons article mark) gnus-newsgroup-reads)
8269 ;; Possibly remove from cache, if that is used.
8270 (when gnus-use-cache
8271 (gnus-cache-enter-remove-article article))
8272 ;; Allow the backend to change the mark.
8273 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8274 ;; Check for auto-expiry.
8275 (when (and gnus-newsgroup-auto-expire
8276 (memq mark gnus-auto-expirable-marks))
8277 (setq mark gnus-expirable-mark)
8278 ;; Let the backend know about the mark change.
8279 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8280 (push article gnus-newsgroup-expirable))
8281 ;; Set the mark in the buffer.
8282 (gnus-summary-update-mark mark 'unread)
8285 (defun gnus-summary-mark-article-as-unread (mark)
8286 "Mark the current article quickly as unread with MARK."
8287 (let* ((article (gnus-summary-article-number))
8288 (old-mark (gnus-summary-article-mark article)))
8289 ;; Allow the backend to change the mark.
8290 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8291 (if (eq mark old-mark)
8295 (gnus-error 1 "Can't mark negative article numbers")
8297 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8298 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8299 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
8300 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
8301 (cond ((= mark gnus-ticked-mark)
8302 (push article gnus-newsgroup-marked))
8303 ((= mark gnus-dormant-mark)
8304 (push article gnus-newsgroup-dormant))
8306 (push article gnus-newsgroup-unreads)))
8307 (gnus-pull article gnus-newsgroup-reads)
8309 ;; See whether the article is to be put in the cache.
8311 (vectorp (gnus-summary-article-header article))
8313 (gnus-cache-possibly-enter-article
8314 gnus-newsgroup-name article
8315 (gnus-summary-article-header article)
8316 (= mark gnus-ticked-mark)
8317 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8320 (gnus-summary-update-mark mark 'unread)
8323 (defun gnus-summary-mark-article (&optional article mark no-expire)
8324 "Mark ARTICLE with MARK. MARK can be any character.
8325 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
8326 `??' (dormant) and `?E' (expirable).
8327 If MARK is nil, then the default character `?r' is used.
8328 If ARTICLE is nil, then the article on the current line will be
8330 Iff NO-EXPIRE, auto-expiry will be inhibited."
8331 ;; The mark might be a string.
8332 (when (stringp mark)
8333 (setq mark (aref mark 0)))
8334 ;; If no mark is given, then we check auto-expiring.
8336 (setq mark gnus-del-mark))
8337 (when (and (not no-expire)
8338 gnus-newsgroup-auto-expire
8339 (memq mark gnus-auto-expirable-marks))
8340 (setq mark gnus-expirable-mark))
8341 (let ((article (or article (gnus-summary-article-number)))
8342 (old-mark (gnus-summary-article-mark article)))
8343 ;; Allow the backend to change the mark.
8344 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8345 (if (eq mark old-mark)
8348 (error "No article on current line"))
8349 (if (not (if (or (= mark gnus-unread-mark)
8350 (= mark gnus-ticked-mark)
8351 (= mark gnus-dormant-mark))
8352 (gnus-mark-article-as-unread article mark)
8353 (gnus-mark-article-as-read article mark)))
8355 ;; See whether the article is to be put in the cache.
8357 (not (= mark gnus-canceled-mark))
8358 (vectorp (gnus-summary-article-header article))
8360 (gnus-cache-possibly-enter-article
8361 gnus-newsgroup-name article
8362 (gnus-summary-article-header article)
8363 (= mark gnus-ticked-mark)
8364 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8366 (when (gnus-summary-goto-subject article nil t)
8367 (let ((buffer-read-only nil))
8368 (gnus-summary-show-thread)
8370 (gnus-summary-update-mark mark 'unread)
8373 (defun gnus-summary-update-secondary-mark (article)
8374 "Update the secondary (read, process, cache) mark."
8375 (gnus-summary-update-mark
8376 (cond ((memq article gnus-newsgroup-processable)
8378 ((memq article gnus-newsgroup-cached)
8380 ((memq article gnus-newsgroup-replied)
8382 ((memq article gnus-newsgroup-saved)
8384 (t gnus-unread-mark))
8386 (when (gnus-visual-p 'summary-highlight 'highlight)
8387 (gnus-run-hooks 'gnus-summary-update-hook))
8390 (defun gnus-summary-update-mark (mark type)
8391 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
8392 (buffer-read-only nil))
8393 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
8395 (when (looking-at "\r")
8397 (when (<= (+ forward (point)) (point-max))
8398 ;; Go to the right position on the line.
8399 (goto-char (+ forward (point)))
8400 ;; Replace the old mark with the new mark.
8401 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
8402 ;; Optionally update the marks by some user rule.
8403 (when (eq type 'unread)
8405 (gnus-data-find (gnus-summary-article-number)) mark)
8406 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
8408 (defun gnus-mark-article-as-read (article &optional mark)
8409 "Enter ARTICLE in the pertinent lists and remove it from others."
8410 ;; Make the article expirable.
8411 (let ((mark (or mark gnus-del-mark)))
8412 (if (= mark gnus-expirable-mark)
8413 (push article gnus-newsgroup-expirable)
8414 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
8415 ;; Remove from unread and marked lists.
8416 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8417 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8418 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8419 (push (cons article mark) gnus-newsgroup-reads)
8420 ;; Possibly remove from cache, if that is used.
8421 (when gnus-use-cache
8422 (gnus-cache-enter-remove-article article))
8425 (defun gnus-mark-article-as-unread (article &optional mark)
8426 "Enter ARTICLE in the pertinent lists and remove it from others."
8427 (let ((mark (or mark gnus-ticked-mark)))
8430 (gnus-error 1 "Can't mark negative article numbers")
8432 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
8433 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
8434 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
8435 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8437 ;; Unsuppress duplicates?
8438 (when gnus-suppress-duplicates
8439 (gnus-dup-unsuppress-article article))
8441 (cond ((= mark gnus-ticked-mark)
8442 (push article gnus-newsgroup-marked))
8443 ((= mark gnus-dormant-mark)
8444 (push article gnus-newsgroup-dormant))
8446 (push article gnus-newsgroup-unreads)))
8447 (gnus-pull article gnus-newsgroup-reads)
8450 (defalias 'gnus-summary-mark-as-unread-forward
8451 'gnus-summary-tick-article-forward)
8452 (make-obsolete 'gnus-summary-mark-as-unread-forward
8453 'gnus-summary-tick-article-forward)
8454 (defun gnus-summary-tick-article-forward (n)
8455 "Tick N articles forwards.
8456 If N is negative, tick backwards instead.
8457 The difference between N and the number of articles ticked is returned."
8459 (gnus-summary-mark-forward n gnus-ticked-mark))
8461 (defalias 'gnus-summary-mark-as-unread-backward
8462 'gnus-summary-tick-article-backward)
8463 (make-obsolete 'gnus-summary-mark-as-unread-backward
8464 'gnus-summary-tick-article-backward)
8465 (defun gnus-summary-tick-article-backward (n)
8466 "Tick N articles backwards.
8467 The difference between N and the number of articles ticked is returned."
8469 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
8471 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8472 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8473 (defun gnus-summary-tick-article (&optional article clear-mark)
8474 "Mark current article as unread.
8475 Optional 1st argument ARTICLE specifies article number to be marked as unread.
8476 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
8478 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
8481 (defun gnus-summary-mark-as-read-forward (n)
8482 "Mark N articles as read forwards.
8483 If N is negative, mark backwards instead.
8484 The difference between N and the actual number of articles marked is
8487 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
8489 (defun gnus-summary-mark-as-read-backward (n)
8490 "Mark the N articles as read backwards.
8491 The difference between N and the actual number of articles marked is
8494 (gnus-summary-mark-forward
8495 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
8497 (defun gnus-summary-mark-as-read (&optional article mark)
8498 "Mark current article as read.
8499 ARTICLE specifies the article to be marked as read.
8500 MARK specifies a string to be inserted at the beginning of the line."
8501 (gnus-summary-mark-article article mark))
8503 (defun gnus-summary-clear-mark-forward (n)
8504 "Clear marks from N articles forward.
8505 If N is negative, clear backward instead.
8506 The difference between N and the number of marks cleared is returned."
8508 (gnus-summary-mark-forward n gnus-unread-mark))
8510 (defun gnus-summary-clear-mark-backward (n)
8511 "Clear marks from N articles backward.
8512 The difference between N and the number of marks cleared is returned."
8514 (gnus-summary-mark-forward (- n) gnus-unread-mark))
8516 (defun gnus-summary-mark-unread-as-read ()
8517 "Intended to be used by `gnus-summary-mark-article-hook'."
8518 (when (memq gnus-current-article gnus-newsgroup-unreads)
8519 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
8521 (defun gnus-summary-mark-read-and-unread-as-read ()
8522 "Intended to be used by `gnus-summary-mark-article-hook'."
8523 (let ((mark (gnus-summary-article-mark)))
8524 (when (or (gnus-unread-mark-p mark)
8525 (gnus-read-mark-p mark))
8526 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
8528 (defun gnus-summary-mark-region-as-read (point mark all)
8529 "Mark all unread articles between point and mark as read.
8530 If given a prefix, mark all articles between point and mark as read,
8531 even ticked and dormant ones."
8532 (interactive "r\nP")
8541 (memq (setq article (gnus-summary-article-number))
8542 gnus-newsgroup-unreads))
8543 (gnus-summary-mark-article article gnus-del-mark))
8545 (gnus-summary-find-next))))))
8547 (defun gnus-summary-mark-below (score mark)
8548 "Mark articles with score less than SCORE with MARK."
8549 (interactive "P\ncMark: ")
8550 (setq score (if score
8551 (prefix-numeric-value score)
8552 (or gnus-summary-default-score 0)))
8554 (set-buffer gnus-summary-buffer)
8555 (goto-char (point-min))
8558 (and (< (gnus-summary-article-score) score)
8559 (gnus-summary-mark-article nil mark))
8560 (gnus-summary-find-next)))))
8562 (defun gnus-summary-kill-below (&optional score)
8563 "Mark articles with score below SCORE as read."
8565 (gnus-summary-mark-below score gnus-killed-mark))
8567 (defun gnus-summary-clear-above (&optional score)
8568 "Clear all marks from articles with score above SCORE."
8570 (gnus-summary-mark-above score gnus-unread-mark))
8572 (defun gnus-summary-tick-above (&optional score)
8573 "Tick all articles with score above SCORE."
8575 (gnus-summary-mark-above score gnus-ticked-mark))
8577 (defun gnus-summary-mark-above (score mark)
8578 "Mark articles with score over SCORE with MARK."
8579 (interactive "P\ncMark: ")
8580 (setq score (if score
8581 (prefix-numeric-value score)
8582 (or gnus-summary-default-score 0)))
8584 (set-buffer gnus-summary-buffer)
8585 (goto-char (point-min))
8587 (when (> (gnus-summary-article-score) score)
8588 (gnus-summary-mark-article nil mark))
8590 (gnus-summary-find-next)))))
8592 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8593 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8594 (defun gnus-summary-limit-include-expunged (&optional no-error)
8595 "Display all the hidden articles that were expunged for low scores."
8597 (let ((buffer-read-only nil))
8598 (let ((scored gnus-newsgroup-scored)
8601 (unless (gnus-summary-goto-subject (caar scored))
8602 (and (setq h (gnus-summary-article-header (caar scored)))
8603 (< (cdar scored) gnus-summary-expunge-below)
8605 (setq scored (cdr scored)))
8607 (when (not no-error)
8608 (error "No expunged articles hidden"))
8609 (goto-char (point-min))
8610 (gnus-summary-prepare-unthreaded (nreverse headers))
8611 (goto-char (point-min))
8612 (gnus-summary-position-point)
8615 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8616 "Mark all unread articles in this newsgroup as read.
8617 If prefix argument ALL is non-nil, ticked and dormant articles will
8618 also be marked as read.
8619 If QUIETLY is non-nil, no questions will be asked.
8620 If TO-HERE is non-nil, it should be a point in the buffer. All
8621 articles before this point will be marked as read.
8622 Note that this function will only catch up the unread article
8623 in the current summary buffer limitation.
8624 The number of articles marked as read is returned."
8629 (not gnus-interactive-catchup) ;Without confirmation?
8633 "Mark absolutely all articles as read? "
8634 "Mark all unread articles as read? ")))
8636 (not gnus-newsgroup-adaptive)
8637 (not gnus-newsgroup-auto-expire)
8638 (not gnus-suppress-duplicates)
8639 (or (not gnus-use-cache)
8640 (eq gnus-use-cache 'passive)))
8643 (setq gnus-newsgroup-marked nil
8644 gnus-newsgroup-dormant nil))
8645 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8646 ;; We actually mark all articles as canceled, which we
8647 ;; have to do when using auto-expiry or adaptive scoring.
8648 (gnus-summary-show-all-threads)
8649 (when (gnus-summary-first-subject (not all) t)
8651 (if to-here (< (point) to-here) t)
8652 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8653 (gnus-summary-find-next (not all) nil nil t))))
8654 (gnus-set-mode-line 'summary))
8656 (gnus-summary-position-point)))
8658 (defun gnus-summary-catchup-to-here (&optional all)
8659 "Mark all unticked articles before the current one as read.
8660 If ALL is non-nil, also mark ticked and dormant articles as read."
8663 (gnus-save-hidden-threads
8664 (let ((beg (point)))
8665 ;; We check that there are unread articles.
8666 (when (or all (gnus-summary-find-prev))
8667 (gnus-summary-catchup all t beg)))))
8668 (gnus-summary-position-point))
8670 (defun gnus-summary-catchup-all (&optional quietly)
8671 "Mark all articles in this newsgroup as read."
8673 (gnus-summary-catchup t quietly))
8675 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8676 "Mark all unread articles in this group as read, then exit.
8677 If prefix argument ALL is non-nil, all articles are marked as read."
8679 (when (gnus-summary-catchup all quietly nil 'fast)
8680 ;; Select next newsgroup or exit.
8681 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8682 (eq gnus-auto-select-next 'quietly))
8683 (gnus-summary-next-group nil)
8684 (gnus-summary-exit))))
8686 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8687 "Mark all articles in this newsgroup as read, and then exit."
8689 (gnus-summary-catchup-and-exit t quietly))
8691 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8692 "Mark all articles in this group as read and select the next group.
8693 If given a prefix, mark all articles, unread as well as ticked, as
8697 (gnus-summary-catchup all))
8698 (gnus-summary-next-group))
8704 (defmacro gnus-with-article (article &rest forms)
8705 "Select ARTICLE and perform FORMS in the original article buffer.
8706 Then replace the article with the result."
8708 ;; We don't want the article to be marked as read.
8709 (let (gnus-mark-article-hook)
8710 (gnus-summary-select-article t t nil ,article))
8711 (set-buffer gnus-original-article-buffer)
8713 (if (not (gnus-check-backend-function
8714 'request-replace-article (car gnus-article-current)))
8715 (gnus-message 5 "Read-only group; not replacing")
8716 (unless (gnus-request-replace-article
8717 ,article (car gnus-article-current)
8719 (error "Couldn't replace article")))
8720 ;; The cache and backlog have to be flushed somewhat.
8721 (when gnus-keep-backlog
8722 (gnus-backlog-remove-article
8723 (car gnus-article-current) (cdr gnus-article-current)))
8724 (when gnus-use-cache
8725 (gnus-cache-update-article
8726 (car gnus-article-current) (cdr gnus-article-current)))))
8728 (put 'gnus-with-article 'lisp-indent-function 1)
8729 (put 'gnus-with-article 'edebug-form-spec '(form body))
8731 ;; Thread-based commands.
8733 (defun gnus-summary-articles-in-thread (&optional article)
8734 "Return a list of all articles in the current thread.
8735 If ARTICLE is non-nil, return all articles in the thread that starts
8737 (let* ((article (or article (gnus-summary-article-number)))
8738 (data (gnus-data-find-list article))
8739 (top-level (gnus-data-level (car data)))
8741 (cond ((null gnus-thread-operation-ignore-subject)
8742 (gnus-simplify-subject-re
8743 (mail-header-subject (gnus-data-header (car data)))))
8744 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8745 (gnus-simplify-subject-fuzzy
8746 (mail-header-subject (gnus-data-header (car data)))))
8748 (end-point (save-excursion
8749 (if (gnus-summary-go-to-next-thread)
8750 (point) (point-max))))
8753 (< (gnus-data-pos (car data)) end-point))
8754 (when (or (not top-subject)
8755 (string= top-subject
8756 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8757 (gnus-simplify-subject-fuzzy
8758 (mail-header-subject
8759 (gnus-data-header (car data))))
8760 (gnus-simplify-subject-re
8761 (mail-header-subject
8762 (gnus-data-header (car data)))))))
8763 (push (gnus-data-number (car data)) articles))
8764 (unless (and (setq data (cdr data))
8765 (> (gnus-data-level (car data)) top-level))
8767 ;; Return the list of articles.
8768 (nreverse articles)))
8770 (defun gnus-summary-rethread-current ()
8771 "Rethread the thread the current article is part of."
8773 (let* ((gnus-show-threads t)
8774 (article (gnus-summary-article-number))
8775 (id (mail-header-id (gnus-summary-article-header)))
8776 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8778 (error "No article on the current line"))
8779 (gnus-rebuild-thread id)
8780 (gnus-summary-goto-subject article)))
8782 (defun gnus-summary-reparent-thread ()
8783 "Make the current article child of the marked (or previous) article.
8785 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8786 is non-nil or the Subject: of both articles are the same."
8788 (unless (not (gnus-group-read-only-p))
8789 (error "The current newsgroup does not support article editing"))
8790 (unless (<= (length gnus-newsgroup-processable) 1)
8791 (error "No more than one article may be marked"))
8792 (save-window-excursion
8793 (let ((gnus-article-buffer " *reparent*")
8794 (current-article (gnus-summary-article-number))
8795 ;; First grab the marked article, otherwise one line up.
8796 (parent-article (if (not (null gnus-newsgroup-processable))
8797 (car gnus-newsgroup-processable)
8799 (if (eq (forward-line -1) 0)
8800 (gnus-summary-article-number)
8801 (error "Beginning of summary buffer"))))))
8802 (unless (not (eq current-article parent-article))
8803 (error "An article may not be self-referential"))
8804 (let ((message-id (mail-header-id
8805 (gnus-summary-article-header parent-article))))
8806 (unless (and message-id (not (equal message-id "")))
8807 (error "No message-id in desired parent"))
8808 (gnus-with-article current-article
8809 (goto-char (point-min))
8810 (if (re-search-forward "^References: " nil t)
8812 (re-search-forward "^[^ \t]" nil t)
8815 (insert " " message-id))
8816 (insert "References: " message-id "\n")))
8817 (set-buffer gnus-summary-buffer)
8818 (gnus-summary-unmark-all-processable)
8819 (gnus-summary-update-article current-article)
8820 (gnus-summary-rethread-current)
8821 (gnus-message 3 "Article %d is now the child of article %d"
8822 current-article parent-article)))))
8824 (defun gnus-summary-toggle-threads (&optional arg)
8825 "Toggle showing conversation threads.
8826 If ARG is positive number, turn showing conversation threads on."
8828 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8829 (setq gnus-show-threads
8830 (if (null arg) (not gnus-show-threads)
8831 (> (prefix-numeric-value arg) 0)))
8832 (gnus-summary-prepare)
8833 (gnus-summary-goto-subject current)
8834 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8835 (gnus-summary-position-point)))
8837 (defun gnus-summary-show-all-threads ()
8841 (let ((buffer-read-only nil))
8842 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8843 (gnus-summary-position-point))
8845 (defun gnus-summary-show-thread ()
8846 "Show thread subtrees.
8847 Returns nil if no thread was there to be shown."
8849 (let ((buffer-read-only nil)
8851 ;; first goto end then to beg, to have point at beg after let
8852 (end (progn (end-of-line) (point)))
8853 (beg (progn (beginning-of-line) (point))))
8855 ;; Any hidden lines here?
8856 (search-forward "\r" end t)
8857 (subst-char-in-region beg end ?\^M ?\n t)
8859 (gnus-summary-position-point))))
8861 (defun gnus-summary-hide-all-threads ()
8862 "Hide all thread subtrees."
8865 (goto-char (point-min))
8866 (gnus-summary-hide-thread)
8867 (while (zerop (gnus-summary-next-thread 1 t))
8868 (gnus-summary-hide-thread)))
8869 (gnus-summary-position-point))
8871 (defun gnus-summary-hide-thread ()
8872 "Hide thread subtrees.
8873 Returns nil if no threads were there to be hidden."
8875 (let ((buffer-read-only nil)
8877 (article (gnus-summary-article-number)))
8879 ;; Go forward until either the buffer ends or the subthread
8881 (when (and (not (eobp))
8882 (or (zerop (gnus-summary-next-thread 1 t))
8883 (goto-char (point-max))))
8885 (if (and (> (point) start)
8886 (search-backward "\n" start t))
8888 (subst-char-in-region start (point) ?\n ?\^M)
8889 (gnus-summary-goto-subject article))
8893 (defun gnus-summary-go-to-next-thread (&optional previous)
8894 "Go to the same level (or less) next thread.
8895 If PREVIOUS is non-nil, go to previous thread instead.
8896 Return the article number moved to, or nil if moving was impossible."
8897 (let ((level (gnus-summary-thread-level))
8898 (way (if previous -1 1))
8901 (while (and (not (eobp))
8902 (< level (gnus-summary-thread-level)))
8910 (gnus-summary-article-number)
8913 (defun gnus-summary-next-thread (n &optional silent)
8914 "Go to the same level next N'th thread.
8915 If N is negative, search backward instead.
8916 Returns the difference between N and the number of skips actually
8919 If SILENT, don't output messages."
8921 (let ((backward (< n 0))
8924 (gnus-summary-go-to-next-thread backward))
8927 (gnus-summary-position-point))
8928 (when (and (not silent) (/= 0 n))
8929 (gnus-message 7 "No more threads"))
8932 (defun gnus-summary-prev-thread (n)
8933 "Go to the same level previous N'th thread.
8934 Returns the difference between N and the number of skips actually
8937 (gnus-summary-next-thread (- n)))
8939 (defun gnus-summary-go-down-thread ()
8940 "Go down one level in the current thread."
8941 (let ((children (gnus-summary-article-children)))
8943 (gnus-summary-goto-subject (car children)))))
8945 (defun gnus-summary-go-up-thread ()
8946 "Go up one level in the current thread."
8947 (let ((parent (gnus-summary-article-parent)))
8949 (gnus-summary-goto-subject parent))))
8951 (defun gnus-summary-down-thread (n)
8952 "Go down thread N steps.
8953 If N is negative, go up instead.
8954 Returns the difference between N and how many steps down that were
8960 (if up (gnus-summary-go-up-thread)
8961 (gnus-summary-go-down-thread)))
8963 (gnus-summary-position-point)
8965 (gnus-message 7 "Can't go further"))
8968 (defun gnus-summary-up-thread (n)
8969 "Go up thread N steps.
8970 If N is negative, go up instead.
8971 Returns the difference between N and how many steps down that were
8974 (gnus-summary-down-thread (- n)))
8976 (defun gnus-summary-top-thread ()
8977 "Go to the top of the thread."
8979 (while (gnus-summary-go-up-thread))
8980 (gnus-summary-article-number))
8982 (defun gnus-summary-kill-thread (&optional unmark)
8983 "Mark articles under current thread as read.
8984 If the prefix argument is positive, remove any kinds of marks.
8985 If the prefix argument is negative, tick articles instead."
8988 (setq unmark (prefix-numeric-value unmark)))
8989 (let ((articles (gnus-summary-articles-in-thread)))
8991 ;; Expand the thread.
8992 (gnus-summary-show-thread)
8993 ;; Mark all the articles.
8995 (gnus-summary-goto-subject (car articles))
8996 (cond ((null unmark)
8997 (gnus-summary-mark-article-as-read gnus-killed-mark))
8999 (gnus-summary-mark-article-as-unread gnus-unread-mark))
9001 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
9002 (setq articles (cdr articles))))
9003 ;; Hide killed subtrees.
9005 gnus-thread-hide-killed
9006 (gnus-summary-hide-thread))
9007 ;; If marked as read, go to next unread subject.
9009 ;; Go to next unread subject.
9010 (gnus-summary-next-subject 1 t)))
9011 (gnus-set-mode-line 'summary))
9013 ;; Summary sorting commands
9015 (defun gnus-summary-sort-by-number (&optional reverse)
9016 "Sort the summary buffer by article number.
9017 Argument REVERSE means reverse order."
9019 (gnus-summary-sort 'number reverse))
9021 (defun gnus-summary-sort-by-author (&optional reverse)
9022 "Sort the summary buffer by author name alphabetically.
9023 If case-fold-search is non-nil, case of letters is ignored.
9024 Argument REVERSE means reverse order."
9026 (gnus-summary-sort 'author reverse))
9028 (defun gnus-summary-sort-by-subject (&optional reverse)
9029 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
9030 If case-fold-search is non-nil, case of letters is ignored.
9031 Argument REVERSE means reverse order."
9033 (gnus-summary-sort 'subject reverse))
9035 (defun gnus-summary-sort-by-date (&optional reverse)
9036 "Sort the summary buffer by date.
9037 Argument REVERSE means reverse order."
9039 (gnus-summary-sort 'date reverse))
9041 (defun gnus-summary-sort-by-score (&optional reverse)
9042 "Sort the summary buffer by score.
9043 Argument REVERSE means reverse order."
9045 (gnus-summary-sort 'score reverse))
9047 (defun gnus-summary-sort-by-lines (&optional reverse)
9048 "Sort the summary buffer by the number of lines.
9049 Argument REVERSE means reverse order."
9051 (gnus-summary-sort 'lines reverse))
9053 (defun gnus-summary-sort-by-chars (&optional reverse)
9054 "Sort the summary buffer by article length.
9055 Argument REVERSE means reverse order."
9057 (gnus-summary-sort 'chars reverse))
9059 (defun gnus-summary-sort (predicate reverse)
9060 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
9061 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
9062 (article (intern (format "gnus-article-sort-by-%s" predicate)))
9063 (gnus-thread-sort-functions
9068 (gnus-article-sort-functions
9074 (gnus-summary-prepare-hook nil))
9075 ;; We do the sorting by regenerating the threads.
9076 (gnus-summary-prepare)
9077 ;; Hide subthreads if needed.
9078 (when (and gnus-show-threads gnus-thread-hide-subtree)
9079 (gnus-summary-hide-all-threads))))
9081 ;; Summary saving commands.
9083 (defun gnus-summary-save-article (&optional n not-saved)
9084 "Save the current article using the default saver function.
9085 If N is a positive number, save the N next articles.
9086 If N is a negative number, save the N previous articles.
9087 If N is nil and any articles have been marked with the process mark,
9088 save those articles instead.
9089 The variable `gnus-default-article-saver' specifies the saver function."
9091 (let* ((articles (gnus-summary-work-articles n))
9092 (save-buffer (save-excursion
9093 (nnheader-set-temp-buffer " *Gnus Save*")))
9094 (num (length articles))
9096 (dolist (article articles)
9097 (setq header (gnus-summary-article-header article))
9098 (if (not (vectorp header))
9099 ;; This is a pseudo-article.
9100 (if (assq 'name header)
9101 (gnus-copy-file (cdr (assq 'name header)))
9102 (gnus-message 1 "Article %d is unsaveable" article))
9103 ;; This is a real article.
9104 (save-window-excursion
9105 (gnus-summary-select-article t nil nil article))
9107 (set-buffer save-buffer)
9109 (insert-buffer-substring gnus-original-article-buffer))
9110 (setq file (gnus-article-save save-buffer file num))
9111 (gnus-summary-remove-process-mark article)
9113 (gnus-summary-set-saved-mark article))))
9114 (gnus-kill-buffer save-buffer)
9115 (gnus-summary-position-point)
9116 (gnus-set-mode-line 'summary)
9119 (defun gnus-summary-pipe-output (&optional arg)
9120 "Pipe the current article to a subprocess.
9121 If N is a positive number, pipe the N next articles.
9122 If N is a negative number, pipe the N previous articles.
9123 If N is nil and any articles have been marked with the process mark,
9124 pipe those articles instead."
9126 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
9127 (gnus-summary-save-article arg t))
9128 (gnus-configure-windows 'pipe))
9130 (defun gnus-summary-save-article-mail (&optional arg)
9131 "Append the current article to an mail file.
9132 If N is a positive number, save the N next articles.
9133 If N is a negative number, save the N previous articles.
9134 If N is nil and any articles have been marked with the process mark,
9135 save those articles instead."
9137 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
9138 (gnus-summary-save-article arg)))
9140 (defun gnus-summary-save-article-rmail (&optional arg)
9141 "Append the current article to an rmail file.
9142 If N is a positive number, save the N next articles.
9143 If N is a negative number, save the N previous articles.
9144 If N is nil and any articles have been marked with the process mark,
9145 save those articles instead."
9147 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
9148 (gnus-summary-save-article arg)))
9150 (defun gnus-summary-save-article-file (&optional arg)
9151 "Append the current article to a file.
9152 If N is a positive number, save the N next articles.
9153 If N is a negative number, save the N previous articles.
9154 If N is nil and any articles have been marked with the process mark,
9155 save those articles instead."
9157 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
9158 (gnus-summary-save-article arg)))
9160 (defun gnus-summary-write-article-file (&optional arg)
9161 "Write the current article to a file, deleting the previous file.
9162 If N is a positive number, save the N next articles.
9163 If N is a negative number, save the N previous articles.
9164 If N is nil and any articles have been marked with the process mark,
9165 save those articles instead."
9167 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
9168 (gnus-summary-save-article arg)))
9170 (defun gnus-summary-save-article-body-file (&optional arg)
9171 "Append the current article body to a file.
9172 If N is a positive number, save the N next articles.
9173 If N is a negative number, save the N previous articles.
9174 If N is nil and any articles have been marked with the process mark,
9175 save those articles instead."
9177 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
9178 (gnus-summary-save-article arg)))
9180 (defun gnus-summary-pipe-message (program)
9181 "Pipe the current article through PROGRAM."
9182 (interactive "sProgram: ")
9183 (gnus-summary-select-article)
9184 (let ((mail-header-separator ""))
9185 (gnus-eval-in-buffer-window gnus-article-buffer
9188 (let ((start (window-start))
9190 (message-pipe-buffer-body program)
9191 (set-window-start (get-buffer-window (current-buffer)) start))))))
9193 (defun gnus-get-split-value (methods)
9194 "Return a value based on the split METHODS."
9195 (let (split-name method result match)
9198 (set-buffer gnus-original-article-buffer)
9200 (nnheader-narrow-to-headers)
9202 (goto-char (point-min))
9203 (setq method (pop methods))
9204 (setq match (car method))
9207 ;; Regular expression.
9209 (re-search-forward match nil t)))
9210 ((gnus-functionp match)
9214 (setq result (funcall match gnus-newsgroup-name))))
9219 (setq result (eval match)))))
9220 (setq split-name (append (cdr method) split-name))
9221 (cond ((stringp result)
9222 (push (expand-file-name
9223 result gnus-article-save-directory)
9226 (setq split-name (append result split-name)))))))))
9227 (nreverse split-name)))
9229 (defun gnus-valid-move-group-p (group)
9232 (symbol-value group)
9233 (gnus-get-function (gnus-find-method-for-group
9234 (symbol-name group)) 'request-accept-article t)))
9236 (defun gnus-read-move-group-name (prompt default articles prefix)
9237 "Read a group name."
9238 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
9239 (minibuffer-confirm-incomplete nil) ; XEmacs
9243 (if (> (length articles) 1)
9244 (format "these %d articles" (length articles))
9249 (gnus-completing-read default prom
9251 'gnus-valid-move-group-p
9253 'gnus-group-history))
9254 ((= 1 (length split-name))
9255 (gnus-completing-read (car split-name) prom
9257 'gnus-valid-move-group-p
9259 'gnus-group-history))
9261 (gnus-completing-read nil prom
9262 (mapcar (lambda (el) (list el))
9263 (nreverse split-name))
9265 'gnus-group-history))))
9266 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
9268 (if (or (string= to-newsgroup "")
9269 (string= to-newsgroup prefix))
9270 (setq to-newsgroup default))
9271 (unless to-newsgroup
9272 (error "No group name entered"))
9273 (or (gnus-active to-newsgroup)
9274 (gnus-activate-group to-newsgroup nil nil to-method)
9275 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
9277 (or (and (gnus-request-create-group to-newsgroup to-method)
9278 (gnus-activate-group
9279 to-newsgroup nil nil to-method)
9280 (gnus-subscribe-group to-newsgroup))
9281 (error "Couldn't create group %s" to-newsgroup)))
9282 (error "No such group: %s" to-newsgroup)))
9285 (defun gnus-summary-save-parts (type dir n &optional reverse)
9286 "Save parts matching TYPE to DIR.
9287 If REVERSE, save parts that do not match TYPE."
9289 (list (read-string "Save parts of type: " "image/.*")
9290 (read-file-name "Save to directory: " nil nil t)
9291 current-prefix-arg))
9292 (gnus-summary-iterate n
9293 (let ((gnus-display-mime-function nil)
9294 (gnus-inhibit-treatment t))
9295 (gnus-summary-select-article))
9297 (set-buffer gnus-article-buffer)
9298 (let ((handles (or (mm-dissect-buffer) (mm-uu-dissect))))
9300 (gnus-summary-save-parts-1 type dir handles reverse)
9301 (mm-destroy-parts handles))))))
9303 (defun gnus-summary-save-parts-1 (type dir handle reverse)
9304 (if (stringp (car handle))
9305 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
9308 (not (string-match type (mm-handle-media-type handle)))
9309 (string-match type (mm-handle-media-type handle)))
9310 (let ((file (expand-file-name
9311 (file-name-nondirectory
9313 (mail-content-type-get
9314 (mm-handle-disposition handle) 'filename)
9315 (concat gnus-newsgroup-name "." gnus-current-article)))
9317 (unless (file-exists-p file)
9318 (mm-save-part-to-file handle file))))))
9320 ;; Summary extract commands
9322 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
9323 (let ((buffer-read-only nil)
9324 (article (gnus-summary-article-number))
9326 (unless (gnus-summary-goto-subject article)
9327 (error "No such article: %d" article))
9328 (gnus-summary-position-point)
9329 ;; If all commands are to be bunched up on one line, we collect
9331 (unless gnus-view-pseudos-separately
9332 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
9335 (setq action (cdr (assq 'action (car ps))))
9336 (setq files (list (cdr (assq 'name (car ps)))))
9337 (while (and ps (cdr ps)
9338 (string= (or action "1")
9339 (or (cdr (assq 'action (cadr ps))) "2")))
9340 (push (cdr (assq 'name (cadr ps))) files)
9341 (setcdr ps (cddr ps)))
9343 (when (not (string-match "%s" action))
9346 (when (assq 'execute (car ps))
9347 (setcdr (assq 'execute (car ps))
9348 (funcall (if (string-match "%s" action)
9355 (gnus-quote-arg-for-sh-or-csh f)))
9357 (setq ps (cdr ps)))))
9358 (if (and gnus-view-pseudos (not not-view))
9360 (when (assq 'execute (car pslist))
9361 (gnus-execute-command (cdr (assq 'execute (car pslist)))
9362 (eq gnus-view-pseudos 'not-confirm)))
9363 (setq pslist (cdr pslist)))
9366 (setq after-article (or (cdr (assq 'article (car pslist)))
9367 (gnus-summary-article-number)))
9368 (gnus-summary-goto-subject after-article)
9371 (insert " " (file-name-nondirectory
9372 (cdr (assq 'name (car pslist))))
9373 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
9375 (forward-line -1) ; back to `b'
9376 (gnus-add-text-properties
9377 b (1- e) (list 'gnus-number gnus-reffed-article-number
9378 gnus-mouse-face-prop gnus-mouse-face))
9380 after-article gnus-reffed-article-number
9381 gnus-unread-mark b (car pslist) 0 (- e b))
9382 (push gnus-reffed-article-number gnus-newsgroup-unreads)
9383 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
9384 (setq pslist (cdr pslist)))))))
9386 (defun gnus-pseudos< (p1 p2)
9387 (let ((c1 (cdr (assq 'action p1)))
9388 (c2 (cdr (assq 'action p2))))
9389 (and c1 c2 (string< c1 c2))))
9391 (defun gnus-request-pseudo-article (props)
9392 (cond ((assq 'execute props)
9393 (gnus-execute-command (cdr (assq 'execute props)))))
9394 (let ((gnus-current-article (gnus-summary-article-number)))
9395 (gnus-run-hooks 'gnus-mark-article-hook)))
9397 (defun gnus-execute-command (command &optional automatic)
9399 (gnus-article-setup-buffer)
9400 (set-buffer gnus-article-buffer)
9401 (setq buffer-read-only nil)
9402 (let ((command (if automatic command
9403 (read-string "Command: " (cons command 0)))))
9405 (insert "$ " command "\n\n")
9406 (if gnus-view-pseudo-asynchronously
9407 (start-process "gnus-execute" (current-buffer) shell-file-name
9408 shell-command-switch command)
9409 (call-process shell-file-name nil t nil
9410 shell-command-switch command)))))
9412 ;; Summary kill commands.
9414 (defun gnus-summary-edit-global-kill (article)
9415 "Edit the \"global\" kill file."
9416 (interactive (list (gnus-summary-article-number)))
9417 (gnus-group-edit-global-kill article))
9419 (defun gnus-summary-edit-local-kill ()
9420 "Edit a local kill file applied to the current newsgroup."
9422 (setq gnus-current-headers (gnus-summary-article-header))
9423 (gnus-group-edit-local-kill
9424 (gnus-summary-article-number) gnus-newsgroup-name))
9428 (defun gnus-read-header (id &optional header)
9429 "Read the headers of article ID and enter them into the Gnus system."
9430 (let ((group gnus-newsgroup-name)
9431 (gnus-override-method
9433 gnus-override-method
9434 (and (gnus-news-group-p gnus-newsgroup-name)
9435 (car (gnus-refer-article-methods)))))
9437 ;; First we check to see whether the header in question is already
9440 ;; This is a Message-ID.
9441 (setq header (or header (gnus-id-to-header id)))
9442 ;; This is an article number.
9443 (setq header (or header (gnus-summary-article-header id))))
9445 (not (gnus-summary-article-sparse-p (mail-header-number header))))
9446 ;; We have found the header.
9448 ;; If this is a sparse article, we have to nix out its
9449 ;; previous entry in the thread hashtb.
9451 (gnus-summary-article-sparse-p (mail-header-number header)))
9452 (let* ((parent (gnus-parent-id (mail-header-references header)))
9453 (thread (and parent (gnus-id-to-thread parent))))
9455 (delq (assq header thread) thread))))
9456 ;; We have to really fetch the header to this article.
9458 (set-buffer nntp-server-buffer)
9459 (when (setq where (gnus-request-head id group))
9460 (nnheader-fold-continuation-lines)
9461 (goto-char (point-max))
9463 (goto-char (point-min))
9467 ((cdr where) (cdr where))
9468 (header (mail-header-number header))
9469 (t gnus-reffed-article-number))
9471 (insert " Article retrieved.\n"))
9473 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
9474 () ; Malformed head.
9475 (unless (gnus-summary-article-sparse-p (mail-header-number header))
9476 (when (and (stringp id)
9477 (not (string= (gnus-group-real-name group)
9479 ;; If we fetched by Message-ID and the article came
9480 ;; from a different group, we fudge some bogus article
9481 ;; numbers for this article.
9482 (mail-header-set-number header gnus-reffed-article-number))
9484 (set-buffer gnus-summary-buffer)
9485 (decf gnus-reffed-article-number)
9486 (gnus-remove-header (mail-header-number header))
9487 (push header gnus-newsgroup-headers)
9488 (setq gnus-current-headers header)
9489 (push (mail-header-number header) gnus-newsgroup-limit)))
9492 (defun gnus-remove-header (number)
9493 "Remove header NUMBER from `gnus-newsgroup-headers'."
9494 (if (and gnus-newsgroup-headers
9495 (= number (mail-header-number (car gnus-newsgroup-headers))))
9496 (pop gnus-newsgroup-headers)
9497 (let ((headers gnus-newsgroup-headers))
9498 (while (and (cdr headers)
9499 (not (= number (mail-header-number (cadr headers)))))
9502 (setcdr headers (cddr headers))))))
9505 ;;; summary highlights
9508 (defun gnus-highlight-selected-summary ()
9509 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
9510 ;; Highlight selected article in summary buffer
9511 (when gnus-summary-selected-face
9513 (let* ((beg (progn (beginning-of-line) (point)))
9514 (end (progn (end-of-line) (point)))
9515 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
9516 (from (if (get-text-property beg gnus-mouse-face-prop)
9518 (or (next-single-property-change
9519 beg gnus-mouse-face-prop nil end)
9524 (or (next-single-property-change
9525 from gnus-mouse-face-prop nil end)
9527 ;; If no mouse-face prop on line we will have to = from = end,
9528 ;; so we highlight the entire line instead.
9529 (when (= (+ to 2) from)
9532 (if gnus-newsgroup-selected-overlay
9533 ;; Move old overlay.
9535 gnus-newsgroup-selected-overlay from to (current-buffer))
9536 ;; Create new overlay.
9538 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
9539 'face gnus-summary-selected-face))))))
9541 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
9542 (defun gnus-summary-highlight-line ()
9543 "Highlight current line according to `gnus-summary-highlight'."
9544 (let* ((list gnus-summary-highlight)
9546 (end (progn (end-of-line) (point)))
9547 ;; now find out where the line starts and leave point there.
9548 (beg (progn (beginning-of-line) (point)))
9549 (article (gnus-summary-article-number))
9550 (score (or (cdr (assq (or article gnus-current-article)
9551 gnus-newsgroup-scored))
9552 gnus-summary-default-score 0))
9553 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
9554 (inhibit-read-only t))
9555 ;; Eval the cars of the lists until we find a match.
9556 (let ((default gnus-summary-default-score))
9558 (not (eval (caar list))))
9559 (setq list (cdr list))))
9560 (let ((face (cdar list)))
9561 (unless (eq face (get-text-property beg 'face))
9562 (gnus-put-text-property-excluding-characters-with-faces
9564 (setq face (if (boundp face) (symbol-value face) face)))
9565 (when gnus-summary-highlight-line-function
9566 (funcall gnus-summary-highlight-line-function article face))))
9569 (defun gnus-update-read-articles (group unread &optional compute)
9570 "Update the list of read articles in GROUP."
9571 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
9572 (entry (gnus-gethash group gnus-newsrc-hashtb))
9573 (info (nth 2 entry))
9575 (unread (sort (copy-sequence unread) '<))
9577 (if (or (not info) (not active))
9578 ;; There is no info on this group if it was, in fact,
9579 ;; killed. Gnus stores no information on killed groups, so
9580 ;; there's nothing to be done.
9581 ;; One could store the information somewhere temporarily,
9582 ;; perhaps... Hmmm...
9584 ;; Remove any negative articles numbers.
9585 (while (and unread (< (car unread) 0))
9586 (setq unread (cdr unread)))
9587 ;; Remove any expired article numbers
9588 (while (and unread (< (car unread) (car active)))
9589 (setq unread (cdr unread)))
9590 ;; Compute the ranges of read articles by looking at the list of
9593 (when (/= (car unread) prev)
9594 (push (if (= prev (1- (car unread))) prev
9595 (cons prev (1- (car unread))))
9597 (setq prev (1+ (car unread)))
9598 (setq unread (cdr unread)))
9599 (when (<= prev (cdr active))
9600 (push (cons prev (cdr active)) read))
9601 (setq read (if (> (length read) 1) (nreverse read) read))
9605 (set-buffer gnus-group-buffer)
9608 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
9609 (gnus-info-set-read ',info ',(gnus-info-read info))
9610 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
9611 (gnus-group-update-group ,group t))))
9612 ;; Propagate the read marks to the backend.
9613 (if (gnus-check-backend-function 'request-set-mark group)
9614 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
9615 (add (gnus-remove-from-range read (gnus-info-read info))))
9617 (unless (gnus-check-group group)
9618 (error "Can't open server for %s" group))
9619 (gnus-request-set-mark
9620 group (delq nil (list (if add (list add 'add '(read)))
9621 (if del (list del 'del '(read)))))))))
9622 ;; Enter this list into the group info.
9623 (gnus-info-set-read info read)
9624 ;; Set the number of unread articles in gnus-newsrc-hashtb.
9625 (gnus-get-unread-articles-in-group info (gnus-active group))
9628 (defun gnus-offer-save-summaries ()
9629 "Offer to save all active summary buffers."
9631 (let ((buflist (buffer-list))
9633 ;; Go through all buffers and find all summaries.
9635 (and (setq bufname (buffer-name (car buflist)))
9636 (string-match "Summary" bufname)
9638 (set-buffer bufname)
9639 ;; We check that this is, indeed, a summary buffer.
9640 (and (eq major-mode 'gnus-summary-mode)
9641 ;; Also make sure this isn't bogus.
9642 gnus-newsgroup-prepared
9643 ;; Also make sure that this isn't a dead summary buffer.
9644 (not gnus-dead-summary-mode)))
9645 (push bufname buffers))
9646 (setq buflist (cdr buflist)))
9647 ;; Go through all these summary buffers and offer to save them.
9650 "Update summary buffer %s? "
9652 (switch-to-buffer buf)
9653 (gnus-summary-exit))
9657 ;;; @ for mime-partial
9660 (defun gnus-request-partial-message ()
9662 (let ((number (gnus-summary-article-number))
9663 (group gnus-newsgroup-name)
9664 (mother gnus-article-buffer))
9665 (set-buffer (get-buffer-create " *Partial Article*"))
9667 (setq mime-preview-buffer mother)
9668 (gnus-request-article-this-buffer number group)
9672 (autoload 'mime-combine-message/partial-pieces-automatically
9674 "Internal method to combine message/partial messages automatically.")
9677 'action '((type . message)(subtype . partial)
9678 (major-mode . gnus-original-article-mode)
9679 (method . mime-combine-message/partial-pieces-automatically)
9680 (summary-buffer-exp . gnus-summary-buffer)
9681 (request-partial-message-method . gnus-request-partial-message)
9685 ;;; @ for message/rfc822
9688 (defun gnus-mime-extract-message/rfc822 (entity situation)
9689 (let (group article num cwin swin cur)
9690 (with-current-buffer (mime-entity-buffer entity)
9692 (narrow-to-region (mime-entity-body-start entity)
9693 (mime-entity-body-end entity))
9694 (setq group (or (cdr (assq 'group situation))
9695 (completing-read "Group: "
9698 (gnus-read-active-file-p)
9699 gnus-newsgroup-name))
9700 article (gnus-request-accept-article group)
9703 (when (and (consp article)
9704 (numberp (setq article (cdr article))))
9705 (setq num (1+ (or (cdr (assq 'number situation)) 0))
9706 cwin (get-buffer-window (current-buffer) t)
9708 (save-window-excursion
9709 (if (setq swin (get-buffer-window gnus-summary-buffer t))
9710 (select-window swin)
9711 (set-buffer gnus-summary-buffer)
9713 (setq cur gnus-current-article)
9715 (let (gnus-show-threads)
9716 (gnus-summary-goto-subject article t)
9718 (gnus-summary-clear-mark-forward 1)
9719 (gnus-summary-goto-subject cur)
9721 (when (and cwin (window-frame cwin))
9722 (select-frame (window-frame cwin))
9724 (when (boundp 'mime-acting-situation-to-override)
9725 (set-alist 'mime-acting-situation-to-override
9728 (set-alist 'mime-acting-situation-to-override
9731 (save-current-buffer
9732 (set-buffer gnus-group-buffer)
9733 (gnus-activate-group ,group)
9735 (gnus-summary-goto-article ,cur
9736 gnus-show-all-headers)
9738 (set-alist 'mime-acting-situation-to-override
9744 'action '((type . message)(subtype . rfc822)
9745 (major-mode . gnus-original-article-mode)
9746 (method . gnus-mime-extract-message/rfc822)
9751 'action '((type . message)(subtype . news)
9752 (major-mode . gnus-original-article-mode)
9753 (method . gnus-mime-extract-message/rfc822)
9757 (defun gnus-mime-extract-multipart (entity situation)
9758 (let ((children (mime-entity-children entity))
9759 mime-acting-situation-to-override
9762 (mime-play-entity (car children)
9763 (cons (assq 'mode situation)
9764 mime-acting-situation-to-override))
9765 (setq children (cdr children)))
9766 (if (setq f (cdr (assq 'after-method
9767 mime-acting-situation-to-override)))
9772 'action '((type . multipart)
9773 (method . gnus-mime-extract-multipart)
9782 (defun gnus-summary-setup-default-charset ()
9783 "Setup newsgroup default charset."
9784 (if (equal gnus-newsgroup-name "nndraft:drafts")
9785 (setq gnus-newsgroup-charset nil)
9786 (let* ((name (and gnus-newsgroup-name
9787 (gnus-group-real-name gnus-newsgroup-name)))
9789 (or gnus-newsgroup-ephemeral-ignored-charsets
9791 (and gnus-newsgroup-name
9792 (or (gnus-group-find-parameter gnus-newsgroup-name
9793 'ignored-charsets t)
9794 (let ((alist gnus-group-ignored-charsets-alist)
9795 elem (charsets nil))
9796 (while (setq elem (pop alist))
9798 (string-match (car elem) name))
9800 charsets (cdr elem))))
9802 gnus-newsgroup-ignored-charsets))))
9803 (setq gnus-newsgroup-charset
9804 (or gnus-newsgroup-ephemeral-charset
9805 (and gnus-newsgroup-name
9806 (or (gnus-group-find-parameter gnus-newsgroup-name 'charset)
9807 (let ((alist gnus-group-charset-alist)
9809 (while (setq elem (pop alist))
9811 (string-match (car elem) name))
9813 charset (cadr elem))))
9815 gnus-default-charset))
9816 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
9817 ignored-charsets))))
9823 (defun gnus-summary-display-buttonized (&optional show-all-parts)
9824 "Display the current article buffer fully MIME-buttonized.
9825 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
9826 treated as multipart/mixed."
9829 (let ((gnus-unbuttonized-mime-types nil)
9830 (gnus-mime-display-multipart-as-mixed show-all-parts))
9831 (gnus-summary-show-article)))
9833 (defun gnus-summary-repair-multipart (article)
9834 "Add a Content-Type header to a multipart article without one."
9835 (interactive (list (gnus-summary-article-number)))
9836 (gnus-with-article article
9837 (message-narrow-to-head)
9838 (goto-char (point-max))
9840 (when (search-forward "\n--" nil t)
9841 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
9842 (message-narrow-to-head)
9843 (message-remove-header "Mime-Version")
9844 (message-remove-header "Content-Type")
9845 (goto-char (point-max))
9846 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
9848 (insert "Mime-Version: 1.0\n")
9850 (let (gnus-mark-article-hook)
9851 (gnus-summary-select-article t t nil article)))
9853 (defun gnus-summary-toggle-display-buttonized ()
9854 "Toggle the buttonizing of the article buffer."
9857 (if (setq gnus-inhibit-mime-unbuttonizing
9858 (not gnus-inhibit-mime-unbuttonizing))
9859 (let ((gnus-unbuttonized-mime-types nil))
9860 (gnus-summary-show-article))
9861 (gnus-summary-show-article)))
9864 ;;; Intelli-mouse commmands
9867 (defun gnus-wheel-summary-scroll (event)
9869 (let ((amount (if (memq 'shift (event-modifiers event))
9870 (car gnus-wheel-scroll-amount)
9871 (cdr gnus-wheel-scroll-amount)))
9872 (direction (- (* (static-if (featurep 'xemacs)
9873 (event-button event)
9874 (cond ((eq 'mouse-4 (event-basic-type event))
9876 ((eq 'mouse-5 (event-basic-type event))
9880 (gnus-summary-scroll-up (* amount direction))
9881 (when (gnus-eval-in-buffer-window gnus-article-buffer
9884 (and (if (< 0 direction)
9885 (gnus-article-next-page 0)
9886 (gnus-article-prev-page 0)
9888 (if (setq edge (get-text-property
9889 (point-min) 'gnus-wheel-edge))
9890 (setq edge (* edge direction))
9893 (let ((buffer-read-only nil)
9894 (inhibit-read-only t))
9895 (put-text-property (point-min) (point-max)
9896 'gnus-wheel-edge direction)
9898 (or (> edge gnus-wheel-edge-resistance)
9899 (let ((buffer-read-only nil)
9900 (inhibit-read-only t))
9901 (put-text-property (point-min) (point-max)
9903 (* (1+ edge) direction))
9905 (eq last-command 'gnus-wheel-summary-scroll))))
9906 (gnus-summary-next-article nil nil (minusp direction)))))
9908 (defun gnus-wheel-install ()
9909 "Enable mouse wheel support on summary window."
9910 (when gnus-use-wheel
9912 '([(mouse-4)] [(shift mouse-4)] [(mouse-5)] [(shift mouse-5)])))
9914 (define-key gnus-summary-mode-map key
9915 'gnus-wheel-summary-scroll)))))
9917 (add-hook 'gnus-summary-mode-hook 'gnus-wheel-install)
9920 ;;; Traditional PGP commmands
9923 (defun gnus-summary-decrypt-article (&optional force)
9924 "Decrypt the current article in traditional PGP way.
9925 This will have permanent effect only in mail groups.
9926 If FORCE is non-nil, allow editing of articles even in read-only
9929 (gnus-summary-select-article t)
9930 (gnus-eval-in-buffer-window gnus-article-buffer
9934 (goto-char (point-min))
9935 (unless (re-search-forward (car pgg-armor-header-lines) nil t)
9936 (error "Not a traditional PGP message!"))
9937 (let ((armor-start (match-beginning 0)))
9938 (if (and (pgg-decrypt-region armor-start (point-max))
9939 (or force (not (gnus-group-read-only-p))))
9940 (let ((inhibit-read-only t)
9942 (delete-region armor-start
9944 (re-search-forward "^-+END PGP" nil t)
9945 (beginning-of-line 2)
9947 (insert-buffer-substring pgg-output-buffer))))))))
9949 (defun gnus-summary-verify-article ()
9950 "Verify the current article in traditional PGP way."
9953 (set-buffer gnus-original-article-buffer)
9954 (goto-char (point-min))
9955 (unless (re-search-forward "^-+BEGIN PGP SIGNED MESSAGE" nil t)
9956 (error "Not a traditional PGP message!"))
9957 (re-search-forward "^-+END PGP" nil t)
9958 (beginning-of-line 2)
9959 (call-interactively (function pgg-verify-region))))
9962 ;;; Generic summary marking commands
9965 (defvar gnus-summary-marking-alist
9966 '((read gnus-del-mark "d")
9967 (unread gnus-unread-mark "u")
9968 (ticked gnus-ticked-mark "!")
9969 (dormant gnus-dormant-mark "?")
9970 (expirable gnus-expirable-mark "e"))
9971 "An alist of names/marks/keystrokes.")
9973 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
9974 (defvar gnus-summary-mark-map)
9976 (defun gnus-summary-make-all-marking-commands ()
9977 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
9978 (dolist (elem gnus-summary-marking-alist)
9979 (apply 'gnus-summary-make-marking-command elem)))
9981 (defun gnus-summary-make-marking-command (name mark keystroke)
9982 (let ((map (make-sparse-keymap)))
9983 (define-key gnus-summary-generic-mark-map keystroke map)
9984 (dolist (lway `((next "next" next nil "n")
9985 (next-unread "next unread" next t "N")
9986 (prev "previous" prev nil "p")
9987 (prev-unread "previous unread" prev t "P")
9988 (nomove "" nil nil ,keystroke)))
9989 (let ((func (gnus-summary-make-marking-command-1
9990 mark (car lway) lway name)))
9991 (setq func (eval func))
9992 (define-key map (nth 4 lway) func)))))
9994 (defun gnus-summary-make-marking-command-1 (mark way lway name)
9996 (format "gnus-summary-put-mark-as-%s%s"
9997 name (if (eq way 'nomove)
9999 (concat "-" (symbol-name way)))))
10002 "Mark the current article as %s%s.
10003 If N, the prefix, then repeat N times.
10004 If N is negative, move in reverse order.
10005 The difference between N and the actual number of articles marked is
10007 name (car (cdr lway)))
10009 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
10011 (defun gnus-summary-generic-mark (n mark move unread)
10012 "Mark N articles with MARK."
10013 (unless (eq major-mode 'gnus-summary-mode)
10014 (error "This command can only be used in the summary buffer"))
10015 (gnus-summary-show-thread)
10018 ((eq move 'next) 1)
10019 ((eq move 'prev) -1)
10021 (if (zerop nummove)
10025 nummove (* -1 nummove))))
10026 (while (and (> n 0)
10027 (gnus-summary-mark-article nil mark)
10028 (zerop (gnus-summary-next-subject nummove unread t)))
10031 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10032 (gnus-summary-recenter)
10033 (gnus-summary-position-point)
10034 (gnus-set-mode-line 'summary)
10037 (gnus-summary-make-all-marking-commands)
10039 (gnus-ems-redefine)
10041 (provide 'gnus-sum)
10043 (run-hooks 'gnus-sum-load-hook)
10045 ;;; gnus-sum.el ends here