1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Katsumi Yamaoka <yamaoka@jpl.org>
7 ;; Keywords: mail, news, MIME
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
30 (eval-when-compile (require 'cl))
46 (autoload 'gnus-cache-articles-in-group "gnus-cache"))
48 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
49 (autoload 'gnus-set-summary-default-charset "gnus-i18n" nil t)
51 (defcustom gnus-kill-summary-on-exit t
52 "*If non-nil, kill the summary buffer when you exit from it.
53 If nil, the summary will become a \"*Dead Summary*\" buffer, and
54 it will be killed sometime later."
55 :group 'gnus-summary-exit
58 (defcustom gnus-fetch-old-headers nil
59 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
60 If an unread article in the group refers to an older, already read (or
61 just marked as read) article, the old article will not normally be
62 displayed in the Summary buffer. If this variable is non-nil, Gnus
63 will attempt to grab the headers to the old articles, and thereby
64 build complete threads. If it has the value `some', only enough
65 headers to connect otherwise loose threads will be displayed. This
66 variable can also be a number. In that case, no more than that number
67 of old headers will be fetched. If it has the value `invisible', all
68 old headers will be fetched, but none will be displayed.
70 The server has to support NOV for any of this to work."
72 :type '(choice (const :tag "off" nil)
75 (sexp :menu-tag "other" t)))
77 (defcustom gnus-refer-thread-limit 200
78 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
79 If t, fetch all the available old headers."
82 (sexp :menu-tag "other" t)))
84 (defcustom gnus-summary-make-false-root 'adopt
85 "*nil means that Gnus won't gather loose threads.
86 If the root of a thread has expired or been read in a previous
87 session, the information necessary to build a complete thread has been
88 lost. Instead of having many small sub-threads from this original thread
89 scattered all over the summary buffer, Gnus can gather them.
91 If non-nil, Gnus will try to gather all loose sub-threads from an
92 original thread into one large thread.
94 If this variable is non-nil, it should be one of `none', `adopt',
97 If this variable is `none', Gnus will not make a false root, but just
98 present the sub-threads after another.
99 If this variable is `dummy', Gnus will create a dummy root that will
100 have all the sub-threads as children.
101 If this variable is `adopt', Gnus will make one of the \"children\"
102 the parent and mark all the step-children as such.
103 If this variable is `empty', the \"children\" are printed with empty
104 subject fields. (Or rather, they will be printed with a string
105 given by the `gnus-summary-same-subject' variable.)"
107 :type '(choice (const :tag "off" nil)
113 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
114 "*A regexp to match subjects to be excluded from loose thread gathering.
115 As loose thread gathering is done on subjects only, that means that
116 there can be many false gatherings performed. By rooting out certain
117 common subjects, gathering might become saner."
121 (defcustom gnus-summary-gather-subject-limit nil
122 "*Maximum length of subject comparisons when gathering loose threads.
123 Use nil to compare full subjects. Setting this variable to a low
124 number will help gather threads that have been corrupted by
125 newsreaders chopping off subject lines, but it might also mean that
126 unrelated articles that have subject that happen to begin with the
127 same few characters will be incorrectly gathered.
129 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
132 :type '(choice (const :tag "off" nil)
134 (sexp :menu-tag "on" t)))
136 (defcustom gnus-simplify-subject-functions nil
137 "List of functions taking a string argument that simplify subjects.
138 The functions are applied recursively.
140 Useful functions to put in this list include: `gnus-simplify-subject-re',
141 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
143 :type '(repeat function))
145 (defcustom gnus-simplify-ignored-prefixes nil
146 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
148 :type '(choice (const :tag "off" nil)
151 (defcustom gnus-build-sparse-threads nil
152 "*If non-nil, fill in the gaps in threads.
153 If `some', only fill in the gaps that are needed to tie loose threads
154 together. If `more', fill in all leaf nodes that Gnus can find. If
155 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
157 :type '(choice (const :tag "off" nil)
160 (sexp :menu-tag "all" t)))
162 (defcustom gnus-summary-thread-gathering-function
163 'gnus-gather-threads-by-subject
164 "*Function used for gathering loose threads.
165 There are two pre-defined functions: `gnus-gather-threads-by-subject',
166 which only takes Subjects into consideration; and
167 `gnus-gather-threads-by-references', which compared the References
168 headers of the articles to find matches."
170 :type '(radio (function-item gnus-gather-threads-by-subject)
171 (function-item gnus-gather-threads-by-references)
172 (function :tag "other")))
174 (defcustom gnus-summary-same-subject ""
175 "*String indicating that the current article has the same subject as the previous.
176 This variable will only be used if the value of
177 `gnus-summary-make-false-root' is `empty'."
178 :group 'gnus-summary-format
181 (defcustom gnus-summary-goto-unread t
182 "*If t, many commands will go to the next unread article.
183 This applies to marking commands as well as other commands that
184 \"naturally\" select the next article, like, for instance, `SPC' at
185 the end of an article.
186 If nil, only the marking commands will go to the next (un)read article.
187 If `never', commands that usually go to the next unread article, will
188 go to the next article, whether it is read or not."
189 :group 'gnus-summary-marks
190 :link '(custom-manual "(gnus)Setting Marks")
191 :type '(choice (const :tag "off" nil)
193 (sexp :menu-tag "on" t)))
195 (defcustom gnus-summary-default-score 0
196 "*Default article score level.
197 All scores generated by the score files will be added to this score.
198 If this variable is nil, scoring will be disabled."
199 :group 'gnus-score-default
200 :type '(choice (const :tag "disable")
203 (defcustom gnus-summary-zcore-fuzz 0
204 "*Fuzziness factor for the zcore in the summary buffer.
205 Articles with scores closer than this to `gnus-summary-default-score'
207 :group 'gnus-summary-format
210 (defcustom gnus-simplify-subject-fuzzy-regexp nil
211 "*Strings to be removed when doing fuzzy matches.
212 This can either be a regular expression or list of regular expressions
213 that will be removed from subject strings if fuzzy subject
214 simplification is selected."
216 :type '(repeat regexp))
218 (defcustom gnus-show-threads t
219 "*If non-nil, display threads in summary mode."
223 (defcustom gnus-thread-hide-subtree nil
224 "*If non-nil, hide all threads initially.
225 If threads are hidden, you have to run the command
226 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
227 to expose hidden threads."
231 (defcustom gnus-thread-hide-killed t
232 "*If non-nil, hide killed threads automatically."
236 (defcustom gnus-thread-ignore-subject t
237 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
238 If nil, articles that have different subjects from their parents will
239 start separate threads."
243 (defcustom gnus-thread-operation-ignore-subject t
244 "*If non-nil, subjects will be ignored when doing thread commands.
245 This affects commands like `gnus-summary-kill-thread' and
246 `gnus-summary-lower-thread'.
248 If this variable is nil, articles in the same thread with different
249 subjects will not be included in the operation in question. If this
250 variable is `fuzzy', only articles that have subjects that are fuzzily
251 equal will be included."
253 :type '(choice (const :tag "off" nil)
257 (defcustom gnus-thread-indent-level 4
258 "*Number that says how much each sub-thread should be indented."
262 (defcustom gnus-auto-extend-newsgroup t
263 "*If non-nil, extend newsgroup forward and backward when requested."
264 :group 'gnus-summary-choose
267 (defcustom gnus-auto-select-first t
268 "*If nil, don't select the first unread article when entering a group.
269 If this variable is `best', select the highest-scored unread article
270 in the group. If t, select the first unread article.
272 This variable can also be a function to place point on a likely
273 subject line. Useful values include `gnus-summary-first-unread-subject',
274 `gnus-summary-first-unread-article' and
275 `gnus-summary-best-unread-article'.
277 If you want to prevent automatic selection of the first unread article
278 in some newsgroups, set the variable to nil in
279 `gnus-select-group-hook'."
280 :group 'gnus-group-select
281 :type '(choice (const :tag "none" nil)
283 (sexp :menu-tag "first" t)
284 (function-item gnus-summary-first-unread-subject)
285 (function-item gnus-summary-first-unread-article)
286 (function-item gnus-summary-best-unread-article)))
288 (defcustom gnus-dont-select-after-jump-to-other-group nil
289 "If non-nil, don't select the first unread article after entering the
290 other group by the command `gnus-summary-jump-to-other-group'. If nil,
291 it is depend on the value of `gnus-auto-select-first' whether to select
293 :group 'gnus-group-select
296 (defcustom gnus-auto-select-next t
297 "*If non-nil, offer to go to the next group from the end of the previous.
298 If the value is t and the next newsgroup is empty, Gnus will exit
299 summary mode and go back to group mode. If the value is neither nil
300 nor t, Gnus will select the following unread newsgroup. In
301 particular, if the value is the symbol `quietly', the next unread
302 newsgroup will be selected without any confirmation, and if it is
303 `almost-quietly', the next group will be selected without any
304 confirmation if you are located on the last article in the group.
305 Finally, if this variable is `slightly-quietly', the `Z n' command
306 will go to the next group without confirmation."
307 :group 'gnus-summary-maneuvering
308 :type '(choice (const :tag "off" nil)
310 (const almost-quietly)
311 (const slightly-quietly)
312 (sexp :menu-tag "on" t)))
314 (defcustom gnus-auto-select-same nil
315 "*If non-nil, select the next article with the same subject.
316 If there are no more articles with the same subject, go to
317 the first unread article."
318 :group 'gnus-summary-maneuvering
321 (defcustom gnus-summary-check-current nil
322 "*If non-nil, consider the current article when moving.
323 The \"unread\" movement commands will stay on the same line if the
324 current article is unread."
325 :group 'gnus-summary-maneuvering
328 (defcustom gnus-auto-center-summary t
329 "*If non-nil, always center the current summary buffer.
330 In particular, if `vertical' do only vertical recentering. If non-nil
331 and non-`vertical', do both horizontal and vertical recentering."
332 :group 'gnus-summary-maneuvering
333 :type '(choice (const :tag "none" nil)
335 (integer :tag "height")
336 (sexp :menu-tag "both" t)))
338 (defcustom gnus-show-all-headers nil
339 "*If non-nil, don't hide any headers."
340 :group 'gnus-article-hiding
341 :group 'gnus-article-headers
344 (defcustom gnus-summary-ignore-duplicates nil
345 "*If non-nil, ignore articles with identical Message-ID headers."
349 (defcustom gnus-single-article-buffer t
350 "*If non-nil, display all articles in the same buffer.
351 If nil, each group will get its own article buffer."
352 :group 'gnus-article-various
355 (defcustom gnus-break-pages t
356 "*If non-nil, do page breaking on articles.
357 The page delimiter is specified by the `gnus-page-delimiter'
359 :group 'gnus-article-various
362 (defcustom gnus-show-mime t
363 "*If non-nil, do mime processing of articles.
364 The articles will simply be fed to the function given by
365 `gnus-article-display-method-for-mime'."
366 :group 'gnus-article-mime
369 (defcustom gnus-move-split-methods nil
370 "*Variable used to suggest where articles are to be moved to.
371 It uses the same syntax as the `gnus-split-methods' variable."
372 :group 'gnus-summary-mail
373 :type '(repeat (choice (list :value (fun) function)
374 (cons :value ("" "") regexp (repeat string))
377 (defcustom gnus-unread-mark ? ;Whitespace
378 "*Mark used for unread articles."
379 :group 'gnus-summary-marks
382 (defcustom gnus-ticked-mark ?!
383 "*Mark used for ticked articles."
384 :group 'gnus-summary-marks
387 (defcustom gnus-dormant-mark ??
388 "*Mark used for dormant articles."
389 :group 'gnus-summary-marks
392 (defcustom gnus-del-mark ?r
393 "*Mark used for del'd articles."
394 :group 'gnus-summary-marks
397 (defcustom gnus-read-mark ?R
398 "*Mark used for read articles."
399 :group 'gnus-summary-marks
402 (defcustom gnus-expirable-mark ?E
403 "*Mark used for expirable articles."
404 :group 'gnus-summary-marks
407 (defcustom gnus-killed-mark ?K
408 "*Mark used for killed articles."
409 :group 'gnus-summary-marks
412 (defcustom gnus-souped-mark ?F
413 "*Mark used for killed articles."
414 :group 'gnus-summary-marks
417 (defcustom gnus-kill-file-mark ?X
418 "*Mark used for articles killed by kill files."
419 :group 'gnus-summary-marks
422 (defcustom gnus-low-score-mark ?Y
423 "*Mark used for articles with a low score."
424 :group 'gnus-summary-marks
427 (defcustom gnus-catchup-mark ?C
428 "*Mark used for articles that are caught up."
429 :group 'gnus-summary-marks
432 (defcustom gnus-replied-mark ?A
433 "*Mark used for articles that have been replied to."
434 :group 'gnus-summary-marks
437 (defcustom gnus-cached-mark ?*
438 "*Mark used for articles that are in the cache."
439 :group 'gnus-summary-marks
442 (defcustom gnus-saved-mark ?S
443 "*Mark used for articles that have been saved to."
444 :group 'gnus-summary-marks
447 (defcustom gnus-ancient-mark ?O
448 "*Mark used for ancient articles."
449 :group 'gnus-summary-marks
452 (defcustom gnus-sparse-mark ?Q
453 "*Mark used for sparsely reffed articles."
454 :group 'gnus-summary-marks
457 (defcustom gnus-canceled-mark ?G
458 "*Mark used for canceled articles."
459 :group 'gnus-summary-marks
462 (defcustom gnus-duplicate-mark ?M
463 "*Mark used for duplicate articles."
464 :group 'gnus-summary-marks
467 (defcustom gnus-undownloaded-mark ?@
468 "*Mark used for articles that weren't downloaded."
469 :group 'gnus-summary-marks
472 (defcustom gnus-downloadable-mark ?%
473 "*Mark used for articles that are to be downloaded."
474 :group 'gnus-summary-marks
477 (defcustom gnus-unsendable-mark ?=
478 "*Mark used for articles that won't be sent."
479 :group 'gnus-summary-marks
482 (defcustom gnus-score-over-mark ?+
483 "*Score mark used for articles with high scores."
484 :group 'gnus-summary-marks
487 (defcustom gnus-score-below-mark ?-
488 "*Score mark used for articles with low scores."
489 :group 'gnus-summary-marks
492 (defcustom gnus-empty-thread-mark ? ;Whitespace
493 "*There is no thread under the article."
494 :group 'gnus-summary-marks
497 (defcustom gnus-not-empty-thread-mark ?=
498 "*There is a thread under the article."
499 :group 'gnus-summary-marks
502 (defcustom gnus-view-pseudo-asynchronously nil
503 "*If non-nil, Gnus will view pseudo-articles asynchronously."
504 :group 'gnus-extract-view
507 (defcustom gnus-auto-expirable-marks
508 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
509 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
510 gnus-souped-mark gnus-duplicate-mark)
511 "*The list of marks converted into expiration if a group is auto-expirable."
513 :type '(repeat character))
515 (defcustom gnus-inhibit-user-auto-expire t
516 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
520 (defcustom gnus-view-pseudos nil
521 "*If `automatic', pseudo-articles will be viewed automatically.
522 If `not-confirm', pseudos will be viewed automatically, and the user
523 will not be asked to confirm the command."
524 :group 'gnus-extract-view
525 :type '(choice (const :tag "off" nil)
527 (const not-confirm)))
529 (defcustom gnus-view-pseudos-separately t
530 "*If non-nil, one pseudo-article will be created for each file to be viewed.
531 If nil, all files that use the same viewing command will be given as a
532 list of parameters to that command."
533 :group 'gnus-extract-view
536 (defcustom gnus-insert-pseudo-articles t
537 "*If non-nil, insert pseudo-articles when decoding articles."
538 :group 'gnus-extract-view
541 (defcustom gnus-summary-dummy-line-format
543 "*The format specification for the dummy roots in the summary buffer.
544 It works along the same lines as a normal formatting string,
545 with some simple extensions.
548 :group 'gnus-threading
551 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
552 "*The format specification for the summary mode line.
553 It works along the same lines as a normal formatting string,
554 with some simple extensions:
557 %p Unprefixed group name
558 %A Current article number
559 %z Current article score
561 %U Number of unread articles in the group
562 %e Number of unselected articles in the group
563 %Z A string with unread/unselected article counts
564 %g Shortish group name
565 %S Subject of the current article
567 %s Current score file name
568 %d Number of dormant articles
569 %r Number of articles that have been marked as read in this session
570 %E Number of articles expunged by the score files"
571 :group 'gnus-summary-format
574 (defcustom gnus-list-identifiers nil
575 "Regexp that matches list identifiers to be removed from subject.
576 This can also be a list of regexps."
577 :group 'gnus-summary-format
578 :group 'gnus-article-hiding
579 :type '(choice (const :tag "none" nil)
581 (repeat :value (".*") regexp)))
583 (defcustom gnus-summary-mark-below 0
584 "*Mark all articles with a score below this variable as read.
585 This variable is local to each summary buffer and usually set by the
587 :group 'gnus-score-default
590 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
591 "*List of functions used for sorting articles in the summary buffer.
592 This variable is only used when not using a threaded display."
593 :group 'gnus-summary-sort
594 :type '(repeat (choice (function-item gnus-article-sort-by-number)
595 (function-item gnus-article-sort-by-author)
596 (function-item gnus-article-sort-by-subject)
597 (function-item gnus-article-sort-by-date)
598 (function-item gnus-article-sort-by-score)
599 (function :tag "other"))))
601 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
602 "*List of functions used for sorting threads in the summary buffer.
603 By default, threads are sorted by article number.
605 Each function takes two threads and return non-nil if the first thread
606 should be sorted before the other. If you use more than one function,
607 the primary sort function should be the last. You should probably
608 always include `gnus-thread-sort-by-number' in the list of sorting
609 functions -- preferably first.
611 Ready-made functions include `gnus-thread-sort-by-number',
612 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
613 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
614 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
615 :group 'gnus-summary-sort
616 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
617 (function-item gnus-thread-sort-by-author)
618 (function-item gnus-thread-sort-by-subject)
619 (function-item gnus-thread-sort-by-date)
620 (function-item gnus-thread-sort-by-score)
621 (function-item gnus-thread-sort-by-total-score)
622 (function :tag "other"))))
624 (defcustom gnus-thread-score-function '+
625 "*Function used for calculating the total score of a thread.
627 The function is called with the scores of the article and each
628 subthread and should then return the score of the thread.
630 Some functions you can use are `+', `max', or `min'."
631 :group 'gnus-summary-sort
634 (defcustom gnus-summary-expunge-below nil
635 "All articles that have a score less than this variable will be expunged.
636 This variable is local to the summary buffers."
637 :group 'gnus-score-default
638 :type '(choice (const :tag "off" nil)
641 (defcustom gnus-thread-expunge-below nil
642 "All threads that have a total score less than this variable will be expunged.
643 See `gnus-thread-score-function' for en explanation of what a
646 This variable is local to the summary buffers."
647 :group 'gnus-threading
648 :group 'gnus-score-default
649 :type '(choice (const :tag "off" nil)
652 (defcustom gnus-summary-mode-hook nil
653 "*A hook for Gnus summary mode.
654 This hook is run before any variables are set in the summary buffer."
655 :group 'gnus-summary-various
658 (defcustom gnus-summary-menu-hook nil
659 "*Hook run after the creation of the summary mode menu."
660 :group 'gnus-summary-visual
663 (defcustom gnus-summary-exit-hook nil
664 "*A hook called on exit from the summary buffer.
665 It will be called with point in the group buffer."
666 :group 'gnus-summary-exit
669 (defcustom gnus-summary-prepare-hook nil
670 "*A hook called after the summary buffer has been generated.
671 If you want to modify the summary buffer, you can use this hook."
672 :group 'gnus-summary-various
675 (defcustom gnus-summary-prepared-hook nil
676 "*A hook called as the last thing after the summary buffer has been generated."
677 :group 'gnus-summary-various
680 (defcustom gnus-summary-generate-hook nil
681 "*A hook run just before generating the summary buffer.
682 This hook is commonly used to customize threading variables and the
684 :group 'gnus-summary-various
687 (defcustom gnus-select-group-hook nil
688 "*A hook called when a newsgroup is selected.
690 If you'd like to simplify subjects like the
691 `gnus-summary-next-same-subject' command does, you can use the
694 (setq gnus-select-group-hook
697 (mapcar (lambda (header)
698 (mail-header-set-subject
700 (gnus-simplify-subject
701 (mail-header-subject header) 're-only)))
702 gnus-newsgroup-headers))))"
703 :group 'gnus-group-select
706 (defcustom gnus-select-article-hook nil
707 "*A hook called when an article is selected."
708 :group 'gnus-summary-choose
711 (defcustom gnus-visual-mark-article-hook
712 (list 'gnus-highlight-selected-summary)
713 "*Hook run after selecting an article in the summary buffer.
714 It is meant to be used for highlighting the article in some way. It
715 is not run if `gnus-visual' is nil."
716 :group 'gnus-summary-visual
719 (defcustom gnus-parse-headers-hook '(gnus-set-summary-default-charset)
720 "*A hook called before parsing the headers."
724 (defcustom gnus-exit-group-hook nil
725 "*A hook called when exiting (not quitting) summary mode."
729 (defcustom gnus-summary-update-hook
730 (list 'gnus-summary-highlight-line)
731 "*A hook called when a summary line is changed.
732 The hook will not be called if `gnus-visual' is nil.
734 The default function `gnus-summary-highlight-line' will
735 highlight the line according to the `gnus-summary-highlight'
737 :group 'gnus-summary-visual
740 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
741 "*A hook called when an article is selected for the first time.
742 The hook is intended to mark an article as read (or unread)
743 automatically when it is selected."
744 :group 'gnus-summary-choose
747 (defcustom gnus-group-no-more-groups-hook nil
748 "*A hook run when returning to group mode having no more (unread) groups."
749 :group 'gnus-group-select
752 (defcustom gnus-ps-print-hook nil
753 "*A hook run before ps-printing something from Gnus."
757 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
758 "Face used for highlighting the current article in the summary buffer."
759 :group 'gnus-summary-visual
762 (defcustom gnus-summary-highlight
763 '(((= mark gnus-canceled-mark)
764 . gnus-summary-cancelled-face)
765 ((and (> score default)
766 (or (= mark gnus-dormant-mark)
767 (= mark gnus-ticked-mark)))
768 . gnus-summary-high-ticked-face)
769 ((and (< score default)
770 (or (= mark gnus-dormant-mark)
771 (= mark gnus-ticked-mark)))
772 . gnus-summary-low-ticked-face)
773 ((or (= mark gnus-dormant-mark)
774 (= mark gnus-ticked-mark))
775 . gnus-summary-normal-ticked-face)
776 ((and (> score default) (= mark gnus-ancient-mark))
777 . gnus-summary-high-ancient-face)
778 ((and (< score default) (= mark gnus-ancient-mark))
779 . gnus-summary-low-ancient-face)
780 ((= mark gnus-ancient-mark)
781 . gnus-summary-normal-ancient-face)
782 ((and (> score default) (= mark gnus-unread-mark))
783 . gnus-summary-high-unread-face)
784 ((and (< score default) (= mark gnus-unread-mark))
785 . gnus-summary-low-unread-face)
786 ((and (memq article gnus-newsgroup-incorporated)
787 (= mark gnus-unread-mark))
788 . gnus-summary-incorporated-face)
789 ((= mark gnus-unread-mark)
790 . gnus-summary-normal-unread-face)
791 ((and (> score default) (memq mark (list gnus-downloadable-mark
792 gnus-undownloaded-mark)))
793 . gnus-summary-high-unread-face)
794 ((and (< score default) (memq mark (list gnus-downloadable-mark
795 gnus-undownloaded-mark)))
796 . gnus-summary-low-unread-face)
797 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
798 . gnus-summary-normal-unread-face)
800 . gnus-summary-high-read-face)
802 . gnus-summary-low-read-face)
804 . gnus-summary-normal-read-face))
805 "*Controls the highlighting of summary buffer lines.
807 A list of (FORM . FACE) pairs. When deciding how a a particular
808 summary line should be displayed, each form is evaluated. The content
809 of the face field after the first true form is used. You can change
810 how those summary lines are displayed, by editing the face field.
812 You can use the following variables in the FORM field.
814 score: The articles score
815 default: The default article score.
816 below: The score below which articles are automatically marked as read.
817 mark: The articles mark."
818 :group 'gnus-summary-visual
819 :type '(repeat (cons (sexp :tag "Form" nil)
822 (defcustom gnus-alter-header-function nil
823 "Function called to allow alteration of article header structures.
824 The function is called with one parameter, the article header vector,
825 which it may alter in any way.")
827 (defvar gnus-decode-encoded-word-function
828 (mime-find-field-decoder 'From 'nov)
829 "Variable that says which function should be used to decode a string with encoded words.")
831 (defcustom gnus-extra-headers nil
832 "*Extra headers to parse."
834 :type '(repeat symbol))
836 (defcustom gnus-ignored-from-addresses
837 (and user-mail-address (regexp-quote user-mail-address))
838 "*Regexp of From headers that may be suppressed in favor of To headers."
842 (defcustom gnus-group-charset-alist
843 '(("^hk\\>\\|^tw\\>\\|\\<big5\\>" cn-big5)
844 ("^cn\\>\\|\\<chinese\\>" cn-gb-2312)
845 ("^fj\\>\\|^japan\\>" iso-2022-jp-2)
846 ("^tnn\\>\\|^pin\\>\\|^sci.lang.japan" iso-2022-7bit)
847 ("^relcom\\>" koi8-r)
849 ("^\\(cz\\|hun\\|pl\\|sk\\|hr\\)\\>" iso-8859-2)
850 ("^israel\\>" iso-8859-1)
852 ("^alt.chinese.text.big5\\>" chinese-big5)
853 ("^soc.culture.vietnamese\\>" vietnamese-viqr)
854 ("^\\(comp\\|rec\\|alt\\|sci\\|soc\\|news\\|gnu\\|bofh\\)\\>" iso-8859-1)
856 "Alist of regexps (to match group names) and default charsets to be used when reading."
857 :type '(repeat (list (regexp :tag "Group")
858 (symbol :tag "Charset")))
859 :group 'gnus-charset)
861 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
862 "List of charsets that should be ignored.
863 When these charsets are used in the \"charset\" parameter, the
864 default charset will be used instead."
865 :type '(repeat symbol)
866 :group 'gnus-charset)
868 (defcustom gnus-group-ignored-charsets-alist
869 '(("alt\\.chinese\\.text" iso-8859-1))
870 "Alist of regexps (to match group names) and charsets that should be ignored.
871 When these charsets are used in the \"charset\" parameter, the
872 default charset will be used instead."
873 :type '(repeat (cons (regexp :tag "Group")
875 :group 'gnus-charset)
877 (defcustom gnus-group-highlight-words-alist nil
878 "Alist of group regexps and highlight regexps.
879 This variable uses the same syntax as `gnus-emphasis-alist'."
880 :type '(repeat (cons (regexp :tag "Group")
881 (repeat (list (regexp :tag "Highlight regexp")
882 (number :tag "Group for entire word" 0)
883 (number :tag "Group for displayed part" 0)
885 gnus-emphasis-highlight-words)))))
886 :group 'gnus-summary-visual)
888 (defcustom gnus-use-wheel nil
889 "Use Intelli-mouse on summary movement"
891 :group 'gnus-summary-maneuvering)
893 (defcustom gnus-wheel-scroll-amount '(5 . 1)
894 "Amount to scroll messages by spinning the mouse wheel.
895 This is actually a cons cell, where the first item is the amount to scroll
896 on a normal wheel event, and the second is the amount to scroll when the
897 wheel is moved with the shift key depressed."
898 :type '(cons (integer :tag "Shift") integer)
899 :group 'gnus-summary-maneuvering)
901 (defcustom gnus-wheel-edge-resistance 2
902 "How hard it should be to change the current article
903 by moving the mouse over the edge of the article window."
905 :group 'gnus-summary-maneuvering)
907 (defcustom gnus-summary-show-article-charset-alist
909 "Alist of number and charset.
910 The article will be shown with the charset corresponding to the
912 For example: ((1 . cn-gb-2312) (2 . big5))."
913 :type '(repeat (cons (number :tag "Argument" 1)
914 (symbol :tag "Charset")))
915 :group 'gnus-charset)
917 (defcustom gnus-preserve-marks t
918 "Whether marks are preserved when moving, copying and respooling messages."
920 :group 'gnus-summary-marks)
922 ;;; Internal variables
924 (defvar gnus-scores-exclude-files nil)
925 (defvar gnus-page-broken nil)
926 (defvar gnus-inhibit-mime-unbuttonizing nil)
928 (defvar gnus-original-article nil)
929 (defvar gnus-article-internal-prepare-hook nil)
930 (defvar gnus-newsgroup-process-stack nil)
932 (defvar gnus-thread-indent-array nil)
933 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
934 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
935 "Function called to sort the articles within a thread after it has been gathered together.")
937 ;; Avoid highlighting in kill files.
938 (defvar gnus-summary-inhibit-highlight nil)
939 (defvar gnus-newsgroup-selected-overlay nil)
940 (defvar gnus-inhibit-limiting nil)
941 (defvar gnus-newsgroup-adaptive-score-file nil)
942 (defvar gnus-current-score-file nil)
943 (defvar gnus-current-move-group nil)
944 (defvar gnus-current-copy-group nil)
945 (defvar gnus-current-crosspost-group nil)
947 (defvar gnus-newsgroup-dependencies nil)
948 (defvar gnus-newsgroup-adaptive nil)
949 (defvar gnus-summary-display-article-function nil)
950 (defvar gnus-summary-highlight-line-function nil
951 "Function called after highlighting a summary line.")
953 (defvar gnus-summary-line-format-alist
954 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
955 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
956 (?s gnus-tmp-subject-or-nil ?s)
957 (?n gnus-tmp-name ?s)
958 (?A (std11-address-string
959 (car (mime-read-field 'From gnus-tmp-header))) ?s)
960 (?a (or (std11-full-name-string
961 (car (mime-read-field 'From gnus-tmp-header)))
963 (?F gnus-tmp-from ?s)
964 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
965 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
966 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
967 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
968 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
969 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
970 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
971 (?L gnus-tmp-lines ?d)
972 (?I gnus-tmp-indentation ?s)
973 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
974 (?R gnus-tmp-replied ?c)
975 (?\[ gnus-tmp-opening-bracket ?c)
976 (?\] gnus-tmp-closing-bracket ?c)
977 (?\> (make-string gnus-tmp-level ? ) ?s)
978 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
979 (?i gnus-tmp-score ?d)
980 (?z gnus-tmp-score-char ?c)
981 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
982 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
983 (?U gnus-tmp-unread ?c)
984 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header) ?s)
985 (?t (gnus-summary-number-of-articles-in-thread
986 (and (boundp 'thread) (car thread)) gnus-tmp-level)
988 (?e (gnus-summary-number-of-articles-in-thread
989 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
991 (?u gnus-tmp-user-defined ?s)
992 (?P (gnus-pick-line-number) ?d))
993 "An alist of format specifications that can appear in summary lines,
994 and what variables they correspond with, along with the type of the
995 variable (string, integer, character, etc).")
997 (defvar gnus-summary-dummy-line-format-alist
998 `((?S gnus-tmp-subject ?s)
999 (?N gnus-tmp-number ?d)
1000 (?u gnus-tmp-user-defined ?s)))
1002 (defvar gnus-summary-mode-line-format-alist
1003 `((?G gnus-tmp-group-name ?s)
1004 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1005 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1006 (?A gnus-tmp-article-number ?d)
1007 (?Z gnus-tmp-unread-and-unselected ?s)
1008 (?V gnus-version ?s)
1009 (?U gnus-tmp-unread-and-unticked ?d)
1010 (?S gnus-tmp-subject ?s)
1011 (?e gnus-tmp-unselected ?d)
1012 (?u gnus-tmp-user-defined ?s)
1013 (?d (length gnus-newsgroup-dormant) ?d)
1014 (?t (length gnus-newsgroup-marked) ?d)
1015 (?r (length gnus-newsgroup-reads) ?d)
1016 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1017 (?E gnus-newsgroup-expunged-tally ?d)
1018 (?s (gnus-current-score-file-nondirectory) ?s)))
1020 (defvar gnus-last-search-regexp nil
1021 "Default regexp for article search command.")
1023 (defvar gnus-summary-search-article-matched-data nil
1024 "Last matched data of article search command. It is the local variable
1025 in `gnus-article-buffer' which consists of the list of start position,
1026 end position and text.")
1028 (defvar gnus-last-shell-command nil
1029 "Default shell command on article.")
1031 (defvar gnus-newsgroup-begin nil)
1032 (defvar gnus-newsgroup-end nil)
1033 (defvar gnus-newsgroup-last-rmail nil)
1034 (defvar gnus-newsgroup-last-mail nil)
1035 (defvar gnus-newsgroup-last-folder nil)
1036 (defvar gnus-newsgroup-last-file nil)
1037 (defvar gnus-newsgroup-auto-expire nil)
1038 (defvar gnus-newsgroup-active nil)
1040 (defvar gnus-newsgroup-data nil)
1041 (defvar gnus-newsgroup-data-reverse nil)
1042 (defvar gnus-newsgroup-limit nil)
1043 (defvar gnus-newsgroup-limits nil)
1045 (defvar gnus-newsgroup-unreads nil
1046 "List of unread articles in the current newsgroup.")
1048 (defvar gnus-newsgroup-unselected nil
1049 "List of unselected unread articles in the current newsgroup.")
1051 (defvar gnus-newsgroup-reads nil
1052 "Alist of read articles and article marks in the current newsgroup.")
1054 (defvar gnus-newsgroup-expunged-tally nil)
1056 (defvar gnus-newsgroup-marked nil
1057 "List of ticked articles in the current newsgroup (a subset of unread art).")
1059 (defvar gnus-newsgroup-killed nil
1060 "List of ranges of articles that have been through the scoring process.")
1062 (defvar gnus-newsgroup-cached nil
1063 "List of articles that come from the article cache.")
1065 (defvar gnus-newsgroup-saved nil
1066 "List of articles that have been saved.")
1068 (defvar gnus-newsgroup-kill-headers nil)
1070 (defvar gnus-newsgroup-replied nil
1071 "List of articles that have been replied to in the current newsgroup.")
1073 (defvar gnus-newsgroup-expirable nil
1074 "List of articles in the current newsgroup that can be expired.")
1076 (defvar gnus-newsgroup-processable nil
1077 "List of articles in the current newsgroup that can be processed.")
1079 (defvar gnus-newsgroup-downloadable nil
1080 "List of articles in the current newsgroup that can be processed.")
1082 (defvar gnus-newsgroup-undownloaded nil
1083 "List of articles in the current newsgroup that haven't been downloaded..")
1085 (defvar gnus-newsgroup-unsendable nil
1086 "List of articles in the current newsgroup that won't be sent.")
1088 (defvar gnus-newsgroup-bookmarks nil
1089 "List of articles in the current newsgroup that have bookmarks.")
1091 (defvar gnus-newsgroup-dormant nil
1092 "List of dormant articles in the current newsgroup.")
1094 (defvar gnus-newsgroup-scored nil
1095 "List of scored articles in the current newsgroup.")
1097 (defvar gnus-newsgroup-incorporated nil
1098 "List of incorporated articles in the current newsgroup.")
1100 (defvar gnus-newsgroup-headers nil
1101 "List of article headers in the current newsgroup.")
1103 (defvar gnus-newsgroup-threads nil)
1105 (defvar gnus-newsgroup-prepared nil
1106 "Whether the current group has been prepared properly.")
1108 (defvar gnus-newsgroup-ancient nil
1109 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1111 (defvar gnus-newsgroup-sparse nil)
1113 (defvar gnus-current-article nil)
1114 (defvar gnus-article-current nil)
1115 (defvar gnus-current-headers nil)
1116 (defvar gnus-have-all-headers nil)
1117 (defvar gnus-last-article nil)
1118 (defvar gnus-newsgroup-history nil)
1119 (defvar gnus-newsgroup-charset nil)
1120 (defvar gnus-newsgroup-ephemeral-charset nil)
1121 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1123 (defconst gnus-summary-local-variables
1124 '(gnus-newsgroup-name
1125 gnus-newsgroup-begin gnus-newsgroup-end
1126 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1127 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1128 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1129 gnus-newsgroup-unselected gnus-newsgroup-marked
1130 gnus-newsgroup-reads gnus-newsgroup-saved
1131 gnus-newsgroup-replied gnus-newsgroup-expirable
1132 gnus-newsgroup-processable gnus-newsgroup-killed
1133 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1134 gnus-newsgroup-unsendable
1135 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1136 gnus-newsgroup-headers gnus-newsgroup-threads
1137 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1138 gnus-current-article gnus-current-headers gnus-have-all-headers
1139 gnus-last-article gnus-article-internal-prepare-hook
1140 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1141 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1142 gnus-thread-expunge-below
1143 gnus-score-alist gnus-current-score-file
1144 (gnus-summary-expunge-below . global)
1145 (gnus-summary-mark-below . global)
1146 gnus-newsgroup-active gnus-scores-exclude-files
1147 gnus-newsgroup-history gnus-newsgroup-ancient
1148 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1149 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1150 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1151 (gnus-newsgroup-expunged-tally . 0)
1152 gnus-cache-removable-articles gnus-newsgroup-cached
1153 gnus-newsgroup-data gnus-newsgroup-data-reverse
1154 gnus-newsgroup-limit gnus-newsgroup-limits
1155 gnus-newsgroup-charset
1156 gnus-newsgroup-incorporated)
1157 "Variables that are buffer-local to the summary buffers.")
1159 ;; Byte-compiler warning.
1160 (defvar gnus-article-mode-map)
1162 ;; Subject simplification.
1164 (defun gnus-simplify-whitespace (str)
1165 "Remove excessive whitespace."
1168 (while (string-match "[ \t][ \t]+" mystr)
1169 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1171 (substring mystr (match-end 0)))))
1173 (when (string-match "^[ \t]+" mystr)
1174 (setq mystr (substring mystr (match-end 0))))
1176 (when (string-match "[ \t]+$" mystr)
1177 (setq mystr (substring mystr 0 (match-beginning 0))))
1180 (defsubst gnus-simplify-subject-re (subject)
1181 "Remove \"Re:\" from subject lines."
1182 (if (string-match "^[Rr][Ee]: *" subject)
1183 (substring subject (match-end 0))
1186 (defun gnus-simplify-subject (subject &optional re-only)
1187 "Remove `Re:' and words in parentheses.
1188 If RE-ONLY is non-nil, strip leading `Re:'s only."
1189 (let ((case-fold-search t)) ;Ignore case.
1190 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1191 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1192 (setq subject (substring subject (match-end 0))))
1193 ;; Remove uninteresting prefixes.
1194 (when (and (not re-only)
1195 gnus-simplify-ignored-prefixes
1196 (string-match gnus-simplify-ignored-prefixes subject))
1197 (setq subject (substring subject (match-end 0))))
1198 ;; Remove words in parentheses from end.
1200 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1201 (setq subject (substring subject 0 (match-beginning 0)))))
1202 ;; Return subject string.
1205 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1207 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1208 (goto-char (point-min))
1209 (while (re-search-forward regexp nil t)
1210 (replace-match (or newtext ""))))
1212 (defun gnus-simplify-buffer-fuzzy ()
1213 "Simplify string in the buffer fuzzily.
1214 The string in the accessible portion of the current buffer is simplified.
1215 It is assumed to be a single-line subject.
1216 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1217 matter is removed. Additional things can be deleted by setting
1218 gnus-simplify-subject-fuzzy-regexp."
1219 (let ((case-fold-search t)
1221 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1223 (while (not (eq modified-tick (buffer-modified-tick)))
1224 (setq modified-tick (buffer-modified-tick))
1226 ((listp gnus-simplify-subject-fuzzy-regexp)
1227 (mapcar 'gnus-simplify-buffer-fuzzy-step
1228 gnus-simplify-subject-fuzzy-regexp))
1229 (gnus-simplify-subject-fuzzy-regexp
1230 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1231 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1232 (gnus-simplify-buffer-fuzzy-step
1233 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1234 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1236 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1237 (gnus-simplify-buffer-fuzzy-step " +" " ")
1238 (gnus-simplify-buffer-fuzzy-step " $")
1239 (gnus-simplify-buffer-fuzzy-step "^ +")))
1241 (defun gnus-simplify-subject-fuzzy (subject)
1242 "Simplify a subject string fuzzily.
1243 See `gnus-simplify-buffer-fuzzy' for details."
1245 (gnus-set-work-buffer)
1246 (let ((case-fold-search t))
1247 ;; Remove uninteresting prefixes.
1248 (when (and gnus-simplify-ignored-prefixes
1249 (string-match gnus-simplify-ignored-prefixes subject))
1250 (setq subject (substring subject (match-end 0))))
1252 (inline (gnus-simplify-buffer-fuzzy))
1255 (defsubst gnus-simplify-subject-fully (subject)
1256 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1258 (gnus-simplify-subject-functions
1259 (gnus-map-function gnus-simplify-subject-functions subject))
1260 ((null gnus-summary-gather-subject-limit)
1261 (gnus-simplify-subject-re subject))
1262 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1263 (gnus-simplify-subject-fuzzy subject))
1264 ((numberp gnus-summary-gather-subject-limit)
1265 (gnus-limit-string (gnus-simplify-subject-re subject)
1266 gnus-summary-gather-subject-limit))
1270 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1271 "Check whether two subjects are equal.
1272 If optional argument simple-first is t, first argument is already
1275 ((null simple-first)
1276 (equal (gnus-simplify-subject-fully s1)
1277 (gnus-simplify-subject-fully s2)))
1280 (gnus-simplify-subject-fully s2)))))
1282 (defun gnus-summary-bubble-group ()
1283 "Increase the score of the current group.
1284 This is a handy function to add to `gnus-summary-exit-hook' to
1285 increase the score of each group you read."
1286 (gnus-group-add-score gnus-newsgroup-name))
1290 ;;; Gnus summary mode
1293 (put 'gnus-summary-mode 'mode-class 'special)
1296 ;; Non-orthogonal keys
1298 (gnus-define-keys gnus-summary-mode-map
1299 " " gnus-summary-next-page
1300 "\177" gnus-summary-prev-page
1301 [delete] gnus-summary-prev-page
1302 [backspace] gnus-summary-prev-page
1303 "\r" gnus-summary-scroll-up
1304 "\M-\r" gnus-summary-scroll-down
1305 "n" gnus-summary-next-unread-article
1306 "p" gnus-summary-prev-unread-article
1307 "N" gnus-summary-next-article
1308 "P" gnus-summary-prev-article
1309 "\M-\C-n" gnus-summary-next-same-subject
1310 "\M-\C-p" gnus-summary-prev-same-subject
1311 "\M-n" gnus-summary-next-unread-subject
1312 "\M-p" gnus-summary-prev-unread-subject
1313 "." gnus-summary-first-unread-article
1314 "," gnus-summary-best-unread-article
1315 "\M-s" gnus-summary-search-article-forward
1316 "\M-r" gnus-summary-search-article-backward
1317 "<" gnus-summary-beginning-of-article
1318 ">" gnus-summary-end-of-article
1319 "j" gnus-summary-goto-article
1320 "^" gnus-summary-refer-parent-article
1321 "\M-^" gnus-summary-refer-article
1322 "u" gnus-summary-tick-article-forward
1323 "!" gnus-summary-tick-article-forward
1324 "U" gnus-summary-tick-article-backward
1325 "d" gnus-summary-mark-as-read-forward
1326 "D" gnus-summary-mark-as-read-backward
1327 "E" gnus-summary-mark-as-expirable
1328 "\M-u" gnus-summary-clear-mark-forward
1329 "\M-U" gnus-summary-clear-mark-backward
1330 "k" gnus-summary-kill-same-subject-and-select
1331 "\C-k" gnus-summary-kill-same-subject
1332 "\M-\C-k" gnus-summary-kill-thread
1333 "\M-\C-l" gnus-summary-lower-thread
1334 "e" gnus-summary-edit-article
1335 "#" gnus-summary-mark-as-processable
1336 "\M-#" gnus-summary-unmark-as-processable
1337 "\M-\C-t" gnus-summary-toggle-threads
1338 "\M-\C-s" gnus-summary-show-thread
1339 "\M-\C-h" gnus-summary-hide-thread
1340 "\M-\C-f" gnus-summary-next-thread
1341 "\M-\C-b" gnus-summary-prev-thread
1342 "\M-\C-u" gnus-summary-up-thread
1343 "\M-\C-d" gnus-summary-down-thread
1344 "&" gnus-summary-execute-command
1345 "c" gnus-summary-catchup-and-exit
1346 "\C-w" gnus-summary-mark-region-as-read
1347 "\C-t" gnus-summary-toggle-truncation
1348 "?" gnus-summary-mark-as-dormant
1349 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1350 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1351 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1352 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1353 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1354 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1355 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1356 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1357 "=" gnus-summary-expand-window
1358 "\C-x\C-s" gnus-summary-reselect-current-group
1359 "\M-g" gnus-summary-rescan-group
1360 "w" gnus-summary-stop-page-breaking
1361 "\C-c\C-r" gnus-summary-caesar-message
1362 "\M-t" gnus-summary-toggle-mime
1363 "f" gnus-summary-followup
1364 "F" gnus-summary-followup-with-original
1365 "C" gnus-summary-cancel-article
1366 "r" gnus-summary-reply
1367 "R" gnus-summary-reply-with-original
1368 "\C-c\C-f" gnus-summary-mail-forward
1369 "o" gnus-summary-save-article
1370 "\C-o" gnus-summary-save-article-mail
1371 "|" gnus-summary-pipe-output
1372 "\M-k" gnus-summary-edit-local-kill
1373 "\M-K" gnus-summary-edit-global-kill
1375 "\C-c\C-d" gnus-summary-describe-group
1376 "q" gnus-summary-exit
1377 "Q" gnus-summary-exit-no-update
1378 "\C-c\C-i" gnus-info-find-node
1379 gnus-mouse-2 gnus-mouse-pick-article
1380 "m" gnus-summary-mail-other-window
1381 "a" gnus-summary-post-news
1382 "x" gnus-summary-limit-to-unread
1383 "s" gnus-summary-isearch-article
1384 "t" gnus-article-toggle-headers
1385 "g" gnus-summary-show-article
1386 "l" gnus-summary-goto-last-article
1387 "v" gnus-summary-preview-mime-message
1388 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1389 "\C-d" gnus-summary-enter-digest-group
1390 "\M-\C-d" gnus-summary-read-document
1391 "\M-\C-e" gnus-summary-edit-parameters
1392 "\M-\C-a" gnus-summary-customize-parameters
1394 "*" gnus-cache-enter-article
1395 "\M-*" gnus-cache-remove-article
1396 "\M-&" gnus-summary-universal-argument
1397 "\C-l" gnus-recenter
1398 "I" gnus-summary-increase-score
1399 "L" gnus-summary-lower-score
1400 "\M-i" gnus-symbolic-argument
1401 "h" gnus-summary-select-article-buffer
1403 "V" gnus-summary-score-map
1404 "X" gnus-uu-extract-map
1405 "S" gnus-summary-send-map)
1407 ;; Sort of orthogonal keymap
1408 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1409 "t" gnus-summary-tick-article-forward
1410 "!" gnus-summary-tick-article-forward
1411 "d" gnus-summary-mark-as-read-forward
1412 "r" gnus-summary-mark-as-read-forward
1413 "c" gnus-summary-clear-mark-forward
1414 " " gnus-summary-clear-mark-forward
1415 "e" gnus-summary-mark-as-expirable
1416 "x" gnus-summary-mark-as-expirable
1417 "?" gnus-summary-mark-as-dormant
1418 "b" gnus-summary-set-bookmark
1419 "B" gnus-summary-remove-bookmark
1420 "#" gnus-summary-mark-as-processable
1421 "\M-#" gnus-summary-unmark-as-processable
1422 "S" gnus-summary-limit-include-expunged
1423 "C" gnus-summary-catchup
1424 "H" gnus-summary-catchup-to-here
1425 "\C-c" gnus-summary-catchup-all
1426 "k" gnus-summary-kill-same-subject-and-select
1427 "K" gnus-summary-kill-same-subject
1428 "P" gnus-uu-mark-map)
1430 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1431 "c" gnus-summary-clear-above
1432 "u" gnus-summary-tick-above
1433 "m" gnus-summary-mark-above
1434 "k" gnus-summary-kill-below)
1436 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1437 "/" gnus-summary-limit-to-subject
1438 "n" gnus-summary-limit-to-articles
1439 "w" gnus-summary-pop-limit
1440 "s" gnus-summary-limit-to-subject
1441 "a" gnus-summary-limit-to-author
1442 "u" gnus-summary-limit-to-unread
1443 "m" gnus-summary-limit-to-marks
1444 "M" gnus-summary-limit-exclude-marks
1445 "v" gnus-summary-limit-to-score
1446 "*" gnus-summary-limit-include-cached
1447 "D" gnus-summary-limit-include-dormant
1448 "T" gnus-summary-limit-include-thread
1449 "d" gnus-summary-limit-exclude-dormant
1450 "t" gnus-summary-limit-to-age
1451 "x" gnus-summary-limit-to-extra
1452 "E" gnus-summary-limit-include-expunged
1453 "c" gnus-summary-limit-exclude-childless-dormant
1454 "C" gnus-summary-limit-mark-excluded-as-read)
1456 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1457 "n" gnus-summary-next-unread-article
1458 "p" gnus-summary-prev-unread-article
1459 "N" gnus-summary-next-article
1460 "P" gnus-summary-prev-article
1461 "\C-n" gnus-summary-next-same-subject
1462 "\C-p" gnus-summary-prev-same-subject
1463 "\M-n" gnus-summary-next-unread-subject
1464 "\M-p" gnus-summary-prev-unread-subject
1465 "f" gnus-summary-first-unread-article
1466 "b" gnus-summary-best-unread-article
1467 "j" gnus-summary-goto-article
1468 "g" gnus-summary-goto-subject
1469 "l" gnus-summary-goto-last-article
1470 "o" gnus-summary-pop-article)
1472 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1473 "k" gnus-summary-kill-thread
1474 "l" gnus-summary-lower-thread
1475 "i" gnus-summary-raise-thread
1476 "T" gnus-summary-toggle-threads
1477 "t" gnus-summary-rethread-current
1478 "^" gnus-summary-reparent-thread
1479 "s" gnus-summary-show-thread
1480 "S" gnus-summary-show-all-threads
1481 "h" gnus-summary-hide-thread
1482 "H" gnus-summary-hide-all-threads
1483 "n" gnus-summary-next-thread
1484 "p" gnus-summary-prev-thread
1485 "u" gnus-summary-up-thread
1486 "o" gnus-summary-top-thread
1487 "d" gnus-summary-down-thread
1488 "#" gnus-uu-mark-thread
1489 "\M-#" gnus-uu-unmark-thread)
1491 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1492 "g" gnus-summary-prepare
1493 "c" gnus-summary-insert-cached-articles)
1495 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1496 "c" gnus-summary-catchup-and-exit
1497 "C" gnus-summary-catchup-all-and-exit
1498 "E" gnus-summary-exit-no-update
1499 "J" gnus-summary-jump-to-other-group
1500 "Q" gnus-summary-exit
1501 "Z" gnus-summary-exit
1502 "n" gnus-summary-catchup-and-goto-next-group
1503 "R" gnus-summary-reselect-current-group
1504 "G" gnus-summary-rescan-group
1505 "N" gnus-summary-next-group
1506 "s" gnus-summary-save-newsrc
1507 "P" gnus-summary-prev-group)
1509 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1510 " " gnus-summary-next-page
1511 "n" gnus-summary-next-page
1512 "\177" gnus-summary-prev-page
1513 [delete] gnus-summary-prev-page
1514 "p" gnus-summary-prev-page
1515 "\r" gnus-summary-scroll-up
1516 "\M-\r" gnus-summary-scroll-down
1517 "<" gnus-summary-beginning-of-article
1518 ">" gnus-summary-end-of-article
1519 "b" gnus-summary-beginning-of-article
1520 "e" gnus-summary-end-of-article
1521 "^" gnus-summary-refer-parent-article
1522 "r" gnus-summary-refer-parent-article
1523 "D" gnus-summary-enter-digest-group
1524 "R" gnus-summary-refer-references
1525 "T" gnus-summary-refer-thread
1526 "g" gnus-summary-show-article
1527 "s" gnus-summary-isearch-article
1528 "P" gnus-summary-print-article
1529 "t" gnus-article-babel)
1531 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1532 "b" gnus-article-add-buttons
1533 "B" gnus-article-add-buttons-to-head
1534 "o" gnus-article-treat-overstrike
1535 "e" gnus-article-emphasize
1536 "w" gnus-article-fill-cited-article
1537 "Q" gnus-article-fill-long-lines
1538 "C" gnus-article-capitalize-sentences
1539 "c" gnus-article-remove-cr
1540 "f" gnus-article-display-x-face
1541 "l" gnus-summary-stop-page-breaking
1542 "r" gnus-summary-caesar-message
1543 "t" gnus-article-toggle-headers
1544 "v" gnus-summary-verbose-headers
1545 "m" gnus-summary-toggle-mime
1546 "H" gnus-article-strip-headers-in-body
1547 "d" gnus-article-treat-dumbquotes
1548 "s" gnus-smiley-display)
1550 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1551 "a" gnus-article-hide
1552 "h" gnus-article-toggle-headers
1553 "b" gnus-article-hide-boring-headers
1554 "s" gnus-article-hide-signature
1555 "c" gnus-article-hide-citation
1556 "C" gnus-article-hide-citation-in-followups
1557 "l" gnus-article-hide-list-identifiers
1558 "p" gnus-article-hide-pgp
1559 "B" gnus-article-strip-banner
1560 "P" gnus-article-hide-pem
1561 "\C-c" gnus-article-hide-citation-maybe)
1563 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1564 "a" gnus-article-highlight
1565 "h" gnus-article-highlight-headers
1566 "c" gnus-article-highlight-citation
1567 "s" gnus-article-highlight-signature)
1569 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1570 "z" gnus-article-date-ut
1571 "u" gnus-article-date-ut
1572 "l" gnus-article-date-local
1573 "e" gnus-article-date-lapsed
1574 "o" gnus-article-date-original
1575 "i" gnus-article-date-iso8601
1576 "s" gnus-article-date-user)
1578 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1579 "t" gnus-article-remove-trailing-blank-lines
1580 "l" gnus-article-strip-leading-blank-lines
1581 "m" gnus-article-strip-multiple-blank-lines
1582 "a" gnus-article-strip-blank-lines
1583 "A" gnus-article-strip-all-blank-lines
1584 "s" gnus-article-strip-leading-space
1585 "e" gnus-article-strip-trailing-space)
1587 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1589 "f" gnus-summary-fetch-faq
1590 "d" gnus-summary-describe-group
1591 "h" gnus-summary-describe-briefly
1592 "i" gnus-info-find-node)
1594 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1595 "e" gnus-summary-expire-articles
1596 "\M-\C-e" gnus-summary-expire-articles-now
1597 "\177" gnus-summary-delete-article
1598 [delete] gnus-summary-delete-article
1599 [backspace] gnus-summary-delete-article
1600 "m" gnus-summary-move-article
1601 "r" gnus-summary-respool-article
1602 "w" gnus-summary-edit-article
1603 "c" gnus-summary-copy-article
1604 "B" gnus-summary-crosspost-article
1605 "q" gnus-summary-respool-query
1606 "t" gnus-summary-respool-trace
1607 "i" gnus-summary-import-article
1608 "p" gnus-summary-article-posted-p)
1610 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1611 "o" gnus-summary-save-article
1612 "m" gnus-summary-save-article-mail
1613 "F" gnus-summary-write-article-file
1614 "r" gnus-summary-save-article-rmail
1615 "f" gnus-summary-save-article-file
1616 "b" gnus-summary-save-article-body-file
1617 "h" gnus-summary-save-article-folder
1618 "v" gnus-summary-save-article-vm
1619 "p" gnus-summary-pipe-output
1620 "s" gnus-soup-add-article)
1622 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1623 "b" gnus-summary-display-buttonized
1624 "m" gnus-summary-repair-multipart
1625 "v" gnus-article-view-part
1626 "o" gnus-article-save-part
1627 "c" gnus-article-copy-part
1628 "e" gnus-article-externalize-part
1629 "i" gnus-article-inline-part
1630 "|" gnus-article-pipe-part))
1632 (defun gnus-summary-make-menu-bar ()
1633 (gnus-turn-off-edit-menu 'summary)
1635 (unless (boundp 'gnus-summary-misc-menu)
1638 gnus-summary-kill-menu gnus-summary-mode-map ""
1643 ["Enter score..." gnus-summary-score-entry t]
1644 ["Customize" gnus-score-customize t])
1645 (gnus-make-score-map 'increase)
1646 (gnus-make-score-map 'lower)
1648 ["Kill below" gnus-summary-kill-below t]
1649 ["Mark above" gnus-summary-mark-above t]
1650 ["Tick above" gnus-summary-tick-above t]
1651 ["Clear above" gnus-summary-clear-above t])
1652 ["Current score" gnus-summary-current-score t]
1653 ["Set score" gnus-summary-set-score t]
1654 ["Switch current score file..." gnus-score-change-score-file t]
1655 ["Set mark below..." gnus-score-set-mark-below t]
1656 ["Set expunge below..." gnus-score-set-expunge-below t]
1657 ["Edit current score file" gnus-score-edit-current-scores t]
1658 ["Edit score file" gnus-score-edit-file t]
1659 ["Trace score" gnus-score-find-trace t]
1660 ["Find words" gnus-score-find-favourite-words t]
1661 ["Rescore buffer" gnus-summary-rescore t]
1662 ["Increase score..." gnus-summary-increase-score t]
1663 ["Lower score..." gnus-summary-lower-score t]))))
1665 ;; Define both the Article menu in the summary buffer and the equivalent
1666 ;; Commands menu in the article buffer here for consistency.
1669 ["All" gnus-article-hide t]
1670 ["Headers" gnus-article-toggle-headers t]
1671 ["Signature" gnus-article-hide-signature t]
1672 ["Citation" gnus-article-hide-citation t]
1673 ["List identifiers" gnus-article-hide-list-identifiers t]
1674 ["PGP" gnus-article-hide-pgp t]
1675 ["Banner" gnus-article-strip-banner t]
1676 ["Boring headers" gnus-article-hide-boring-headers t])
1678 ["All" gnus-article-highlight t]
1679 ["Headers" gnus-article-highlight-headers t]
1680 ["Signature" gnus-article-highlight-signature t]
1681 ["Citation" gnus-article-highlight-citation t])
1683 ["Local" gnus-article-date-local t]
1684 ["ISO8601" gnus-article-date-iso8601 t]
1685 ["UT" gnus-article-date-ut t]
1686 ["Original" gnus-article-date-original t]
1687 ["Lapsed" gnus-article-date-lapsed t]
1688 ["User-defined" gnus-article-date-user t])
1691 ["Leading" gnus-article-strip-leading-blank-lines t]
1692 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1693 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1694 ["All of the above" gnus-article-strip-blank-lines t]
1695 ["All" gnus-article-strip-all-blank-lines t]
1696 ["Leading space" gnus-article-strip-leading-space t]
1697 ["Trailing space" gnus-article-strip-trailing-space t])
1698 ["Overstrike" gnus-article-treat-overstrike t]
1699 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1700 ["Emphasis" gnus-article-emphasize t]
1701 ["Word wrap" gnus-article-fill-cited-article t]
1702 ["Fill long lines" gnus-article-fill-long-lines t]
1703 ["Capitalize sentences" gnus-article-capitalize-sentences t]
1704 ["CR" gnus-article-remove-cr t]
1705 ["Show X-Face" gnus-article-display-x-face t]
1706 ["Rot 13" gnus-summary-caesar-message t]
1707 ["Unix pipe" gnus-summary-pipe-message t]
1708 ["Add buttons" gnus-article-add-buttons t]
1709 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1710 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1711 ["Toggle MIME" gnus-summary-toggle-mime t]
1712 ["Verbose header" gnus-summary-verbose-headers t]
1713 ["Toggle header" gnus-summary-toggle-header t]
1714 ["Toggle smileys" gnus-smiley-display t]
1715 ["HZ" gnus-article-decode-HZ t])
1717 ["Save in default format" gnus-summary-save-article t]
1718 ["Save in file" gnus-summary-save-article-file t]
1719 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1720 ["Save in MH folder" gnus-summary-save-article-folder t]
1721 ["Save in VM folder" gnus-summary-save-article-vm t]
1722 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1723 ["Save body in file" gnus-summary-save-article-body-file t]
1724 ["Pipe through a filter" gnus-summary-pipe-output t]
1725 ["Add to SOUP packet" gnus-soup-add-article t]
1726 ["Print" gnus-summary-print-article t])
1728 ["Respool article..." gnus-summary-respool-article t]
1729 ["Move article..." gnus-summary-move-article
1730 (gnus-check-backend-function
1731 'request-move-article gnus-newsgroup-name)]
1732 ["Copy article..." gnus-summary-copy-article t]
1733 ["Crosspost article..." gnus-summary-crosspost-article
1734 (gnus-check-backend-function
1735 'request-replace-article gnus-newsgroup-name)]
1736 ["Import file..." gnus-summary-import-article t]
1737 ["Check if posted" gnus-summary-article-posted-p t]
1738 ["Edit article" gnus-summary-edit-article
1739 (not (gnus-group-read-only-p))]
1740 ["Delete article" gnus-summary-delete-article
1741 (gnus-check-backend-function
1742 'request-expire-articles gnus-newsgroup-name)]
1743 ["Query respool" gnus-summary-respool-query t]
1744 ["Trace respool" gnus-summary-respool-trace t]
1745 ["Delete expirable articles" gnus-summary-expire-articles-now
1746 (gnus-check-backend-function
1747 'request-expire-articles gnus-newsgroup-name)])
1749 ["Uudecode" gnus-uu-decode-uu t]
1750 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1751 ["Unshar" gnus-uu-decode-unshar t]
1752 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1753 ["Save" gnus-uu-decode-save t]
1754 ["Binhex" gnus-uu-decode-binhex t]
1755 ["Postscript" gnus-uu-decode-postscript t])
1757 ["Enter article" gnus-cache-enter-article t]
1758 ["Remove article" gnus-cache-remove-article t])
1759 ["Translate" gnus-article-babel t]
1760 ["Select article buffer" gnus-summary-select-article-buffer t]
1761 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1762 ["Isearch article..." gnus-summary-isearch-article t]
1763 ["Beginning of the article" gnus-summary-beginning-of-article t]
1764 ["End of the article" gnus-summary-end-of-article t]
1765 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1766 ["Fetch referenced articles" gnus-summary-refer-references t]
1767 ["Fetch current thread" gnus-summary-refer-thread t]
1768 ["Fetch article with id..." gnus-summary-refer-article t]
1769 ["Redisplay" gnus-summary-show-article t])))
1771 gnus-summary-article-menu gnus-summary-mode-map ""
1772 (cons "Article" innards))
1775 gnus-article-commands-menu gnus-article-mode-map ""
1776 (cons "Commands" innards)))
1779 gnus-summary-thread-menu gnus-summary-mode-map ""
1781 ["Toggle threading" gnus-summary-toggle-threads t]
1782 ["Hide threads" gnus-summary-hide-all-threads t]
1783 ["Show threads" gnus-summary-show-all-threads t]
1784 ["Hide thread" gnus-summary-hide-thread t]
1785 ["Show thread" gnus-summary-show-thread t]
1786 ["Go to next thread" gnus-summary-next-thread t]
1787 ["Go to previous thread" gnus-summary-prev-thread t]
1788 ["Go down thread" gnus-summary-down-thread t]
1789 ["Go up thread" gnus-summary-up-thread t]
1790 ["Top of thread" gnus-summary-top-thread t]
1791 ["Mark thread as read" gnus-summary-kill-thread t]
1792 ["Lower thread score" gnus-summary-lower-thread t]
1793 ["Raise thread score" gnus-summary-raise-thread t]
1794 ["Rethread current" gnus-summary-rethread-current t]))
1797 gnus-summary-post-menu gnus-summary-mode-map ""
1799 ["Post an article" gnus-summary-post-news t]
1800 ["Followup" gnus-summary-followup t]
1801 ["Followup and yank" gnus-summary-followup-with-original t]
1802 ["Supersede article" gnus-summary-supersede-article t]
1803 ["Cancel article" gnus-summary-cancel-article t]
1804 ["Reply" gnus-summary-reply t]
1805 ["Reply and yank" gnus-summary-reply-with-original t]
1806 ["Wide reply" gnus-summary-wide-reply t]
1807 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1808 ["Mail forward" gnus-summary-mail-forward t]
1809 ["Post forward" gnus-summary-post-forward t]
1810 ["Digest and mail" gnus-summary-mail-digest t]
1811 ["Digest and post" gnus-summary-post-digest t]
1812 ["Resend message" gnus-summary-resend-message t]
1813 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1814 ["Send a mail" gnus-summary-mail-other-window t]
1815 ["Uuencode and post" gnus-uu-post-news t]
1816 ["Followup via news" gnus-summary-followup-to-mail t]
1817 ["Followup via news and yank"
1818 gnus-summary-followup-to-mail-with-original t]
1820 ;;["Send" gnus-summary-send-draft t]
1821 ;;["Send bounced" gnus-resend-bounced-mail t])
1825 gnus-summary-misc-menu gnus-summary-mode-map ""
1828 ["Mark as read" gnus-summary-mark-as-read-forward t]
1829 ["Mark same subject and select"
1830 gnus-summary-kill-same-subject-and-select t]
1831 ["Mark same subject" gnus-summary-kill-same-subject t]
1832 ["Catchup" gnus-summary-catchup t]
1833 ["Catchup all" gnus-summary-catchup-all t]
1834 ["Catchup to here" gnus-summary-catchup-to-here t]
1835 ["Catchup region" gnus-summary-mark-region-as-read t]
1836 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1838 ["Tick" gnus-summary-tick-article-forward t]
1839 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1840 ["Remove marks" gnus-summary-clear-mark-forward t]
1841 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1842 ["Set bookmark" gnus-summary-set-bookmark t]
1843 ["Remove bookmark" gnus-summary-remove-bookmark t])
1845 ["Marks..." gnus-summary-limit-to-marks t]
1846 ["Subject..." gnus-summary-limit-to-subject t]
1847 ["Author..." gnus-summary-limit-to-author t]
1848 ["Age..." gnus-summary-limit-to-age t]
1849 ["Extra..." gnus-summary-limit-to-extra t]
1850 ["Score" gnus-summary-limit-to-score t]
1851 ["Unread" gnus-summary-limit-to-unread t]
1852 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1853 ["Articles" gnus-summary-limit-to-articles t]
1854 ["Pop limit" gnus-summary-pop-limit t]
1855 ["Show dormant" gnus-summary-limit-include-dormant t]
1856 ["Hide childless dormant"
1857 gnus-summary-limit-exclude-childless-dormant t]
1858 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1859 ["Hide marked" gnus-summary-limit-exclude-marks t]
1860 ["Show expunged" gnus-summary-show-all-expunged t])
1862 ["Set mark" gnus-summary-mark-as-processable t]
1863 ["Remove mark" gnus-summary-unmark-as-processable t]
1864 ["Remove all marks" gnus-summary-unmark-all-processable t]
1865 ["Mark above" gnus-uu-mark-over t]
1866 ["Mark series" gnus-uu-mark-series t]
1867 ["Mark region" gnus-uu-mark-region t]
1868 ["Unmark region" gnus-uu-unmark-region t]
1869 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1870 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1871 ["Mark all" gnus-uu-mark-all t]
1872 ["Mark buffer" gnus-uu-mark-buffer t]
1873 ["Mark sparse" gnus-uu-mark-sparse t]
1874 ["Mark thread" gnus-uu-mark-thread t]
1875 ["Unmark thread" gnus-uu-unmark-thread t]
1876 ("Process Mark Sets"
1877 ["Kill" gnus-summary-kill-process-mark t]
1878 ["Yank" gnus-summary-yank-process-mark
1879 gnus-newsgroup-process-stack]
1880 ["Save" gnus-summary-save-process-mark t]))
1882 ["Page forward" gnus-summary-next-page t]
1883 ["Page backward" gnus-summary-prev-page t]
1884 ["Line forward" gnus-summary-scroll-up t])
1886 ["Next unread article" gnus-summary-next-unread-article t]
1887 ["Previous unread article" gnus-summary-prev-unread-article t]
1888 ["Next article" gnus-summary-next-article t]
1889 ["Previous article" gnus-summary-prev-article t]
1890 ["Next unread subject" gnus-summary-next-unread-subject t]
1891 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1892 ["Next article same subject" gnus-summary-next-same-subject t]
1893 ["Previous article same subject" gnus-summary-prev-same-subject t]
1894 ["First unread article" gnus-summary-first-unread-article t]
1895 ["Best unread article" gnus-summary-best-unread-article t]
1896 ["Go to subject number..." gnus-summary-goto-subject t]
1897 ["Go to article number..." gnus-summary-goto-article t]
1898 ["Go to the last article" gnus-summary-goto-last-article t]
1899 ["Pop article off history" gnus-summary-pop-article t])
1901 ["Sort by number" gnus-summary-sort-by-number t]
1902 ["Sort by author" gnus-summary-sort-by-author t]
1903 ["Sort by subject" gnus-summary-sort-by-subject t]
1904 ["Sort by date" gnus-summary-sort-by-date t]
1905 ["Sort by score" gnus-summary-sort-by-score t]
1906 ["Sort by lines" gnus-summary-sort-by-lines t]
1907 ["Sort by characters" gnus-summary-sort-by-chars t])
1909 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1910 ["Describe group" gnus-summary-describe-group t]
1911 ["Read manual" gnus-info-find-node t])
1913 ["Pick and read" gnus-pick-mode t]
1914 ["Binary" gnus-binary-mode t])
1916 ["Regenerate" gnus-summary-prepare t]
1917 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1918 ["Toggle threading" gnus-summary-toggle-threads t])
1919 ["Filter articles..." gnus-summary-execute-command t]
1920 ["Run command on subjects..." gnus-summary-universal-argument t]
1921 ["Search articles forward..." gnus-summary-search-article-forward t]
1922 ["Search articles backward..." gnus-summary-search-article-backward t]
1923 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1924 ["Expand window" gnus-summary-expand-window t]
1925 ["Expire expirable articles" gnus-summary-expire-articles
1926 (gnus-check-backend-function
1927 'request-expire-articles gnus-newsgroup-name)]
1928 ["Edit local kill file" gnus-summary-edit-local-kill t]
1929 ["Edit main kill file" gnus-summary-edit-global-kill t]
1930 ["Edit group parameters" gnus-summary-edit-parameters t]
1931 ["Customize group parameters" gnus-summary-customize-parameters t]
1932 ["Send a bug report" gnus-bug t]
1934 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1935 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
1936 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1937 ["Exit group" gnus-summary-exit t]
1938 ["Exit group without updating" gnus-summary-exit-no-update t]
1939 ["Exit and goto next group" gnus-summary-next-group t]
1940 ["Exit and goto prev group" gnus-summary-prev-group t]
1941 ["Reselect group" gnus-summary-reselect-current-group t]
1942 ["Rescan group" gnus-summary-rescan-group t]
1943 ["Update dribble" gnus-summary-save-newsrc t])))
1945 (gnus-run-hooks 'gnus-summary-menu-hook)))
1947 (defun gnus-score-set-default (var value)
1948 "A version of set that updates the GNU Emacs menu-bar."
1950 ;; It is the message that forces the active status to be updated.
1953 (defun gnus-make-score-map (type)
1954 "Make a summary score map of type TYPE."
1957 (let ((headers '(("author" "from" string)
1958 ("subject" "subject" string)
1959 ("article body" "body" string)
1960 ("article head" "head" string)
1961 ("xref" "xref" string)
1962 ("extra header" "extra" string)
1963 ("lines" "lines" number)
1964 ("followups to author" "followup" string)))
1965 (types '((number ("less than" <)
1968 (string ("substring" s)
1972 (perms '(("temporary" (current-time-string))
1980 (if (eq type 'lower)
1985 (setq header (car headers))
1991 (let ((ts (cdr (assoc (nth 2 header) types)))
2007 'gnus-summary-score-entry
2009 (if (or (string= (nth 1 header)
2011 (string= (nth 1 header)
2014 (list 'gnus-summary-header
2016 (list 'quote (nth 1 (car ts)))
2017 (list 'gnus-score-delta-default
2024 (list (nreverse outp))))
2027 (list (nreverse outt))))
2029 (setq headers (cdr headers)))
2030 (list (nreverse outh))))))))
2034 (defun gnus-summary-mode (&optional group)
2035 "Major mode for reading articles.
2037 All normal editing commands are switched off.
2038 \\<gnus-summary-mode-map>
2039 Each line in this buffer represents one article. To read an
2040 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2041 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2044 You can also post articles and send mail from this buffer. To
2045 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2046 of an article, type `\\[gnus-summary-reply]'.
2048 There are approx. one gazillion commands you can execute in this
2049 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2051 The following commands are available:
2053 \\{gnus-summary-mode-map}"
2055 (when (gnus-visual-p 'summary-menu 'menu)
2056 (gnus-summary-make-menu-bar))
2057 (kill-all-local-variables)
2058 (gnus-summary-make-local-variables)
2059 (gnus-make-thread-indent-array)
2060 (gnus-simplify-mode-line)
2061 (setq major-mode 'gnus-summary-mode)
2062 (setq mode-name "Summary")
2063 (make-local-variable 'minor-mode-alist)
2064 (use-local-map gnus-summary-mode-map)
2065 (buffer-disable-undo)
2066 (setq buffer-read-only t) ;Disable modification
2067 (setq truncate-lines t)
2068 (setq selective-display t)
2069 (setq selective-display-ellipses t) ;Display `...'
2070 (gnus-summary-set-display-table)
2071 (gnus-set-default-directory)
2072 (setq gnus-newsgroup-name group)
2073 (unless (gnus-news-group-p group)
2074 (setq gnus-newsgroup-incorporated
2075 (nnmail-new-mail-numbers (gnus-group-real-name group))))
2076 (make-local-variable 'gnus-summary-line-format)
2077 (make-local-variable 'gnus-summary-line-format-spec)
2078 (make-local-variable 'gnus-summary-dummy-line-format)
2079 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2080 (make-local-variable 'gnus-summary-mark-positions)
2081 (make-local-hook 'pre-command-hook)
2082 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2083 (gnus-run-hooks 'gnus-summary-mode-hook)
2084 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2085 (gnus-update-summary-mark-positions))
2087 (defun gnus-summary-make-local-variables ()
2088 "Make all the local summary buffer variables."
2090 (dolist (local gnus-summary-local-variables)
2093 (if (eq (cdr local) 'global)
2094 ;; Copy the global value of the variable.
2095 (setq global (symbol-value (car local)))
2096 ;; Use the value from the list.
2097 (setq global (eval (cdr local))))
2098 (set (make-local-variable (car local)) global))
2099 ;; Simple nil-valued local variable.
2100 (set (make-local-variable local) nil)))))
2102 (defun gnus-summary-clear-local-variables ()
2103 (let ((locals gnus-summary-local-variables))
2105 (if (consp (car locals))
2106 (and (vectorp (caar locals))
2107 (set (caar locals) nil))
2108 (and (vectorp (car locals))
2109 (set (car locals) nil)))
2110 (setq locals (cdr locals)))))
2112 ;; Summary data functions.
2114 (defmacro gnus-data-number (data)
2117 (defmacro gnus-data-set-number (data number)
2118 `(setcar ,data ,number))
2120 (defmacro gnus-data-mark (data)
2123 (defmacro gnus-data-set-mark (data mark)
2124 `(setcar (nthcdr 1 ,data) ,mark))
2126 (defmacro gnus-data-pos (data)
2129 (defmacro gnus-data-set-pos (data pos)
2130 `(setcar (nthcdr 2 ,data) ,pos))
2132 (defmacro gnus-data-header (data)
2135 (defmacro gnus-data-set-header (data header)
2136 `(setcar (nthcdr 3 ,data) ,header))
2138 (defmacro gnus-data-level (data)
2141 (defmacro gnus-data-unread-p (data)
2142 `(= (nth 1 ,data) gnus-unread-mark))
2144 (defmacro gnus-data-read-p (data)
2145 `(/= (nth 1 ,data) gnus-unread-mark))
2147 (defmacro gnus-data-pseudo-p (data)
2148 `(consp (nth 3 ,data)))
2150 (defmacro gnus-data-find (number)
2151 `(assq ,number gnus-newsgroup-data))
2153 (defmacro gnus-data-find-list (number &optional data)
2154 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2155 (memq (assq ,number bdata)
2158 (defmacro gnus-data-make (number mark pos header level)
2159 `(list ,number ,mark ,pos ,header ,level))
2161 (defun gnus-data-enter (after-article number mark pos header level offset)
2162 (let ((data (gnus-data-find-list after-article)))
2164 (error "No such article: %d" after-article))
2165 (setcdr data (cons (gnus-data-make number mark pos header level)
2167 (setq gnus-newsgroup-data-reverse nil)
2168 (gnus-data-update-list (cddr data) offset)))
2170 (defun gnus-data-enter-list (after-article list &optional offset)
2172 (let ((data (and after-article (gnus-data-find-list after-article)))
2176 (let ((odata gnus-newsgroup-data))
2177 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2179 (gnus-data-update-list odata offset)))
2180 ;; Find the last element in the list to be spliced into the main
2183 (setq list (cdr list)))
2186 (setcdr list gnus-newsgroup-data)
2187 (setq gnus-newsgroup-data ilist)
2189 (gnus-data-update-list (cdr list) offset)))
2190 (setcdr list (cdr data))
2193 (gnus-data-update-list (cdr list) offset))))
2194 (setq gnus-newsgroup-data-reverse nil))))
2196 (defun gnus-data-remove (article &optional offset)
2197 (let ((data gnus-newsgroup-data))
2198 (if (= (gnus-data-number (car data)) article)
2200 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2201 gnus-newsgroup-data-reverse nil)
2203 (gnus-data-update-list gnus-newsgroup-data offset)))
2205 (when (= (gnus-data-number (cadr data)) article)
2206 (setcdr data (cddr data))
2208 (gnus-data-update-list (cdr data) offset))
2210 gnus-newsgroup-data-reverse nil))
2211 (setq data (cdr data))))))
2213 (defmacro gnus-data-list (backward)
2215 (or gnus-newsgroup-data-reverse
2216 (setq gnus-newsgroup-data-reverse
2217 (reverse gnus-newsgroup-data)))
2218 gnus-newsgroup-data))
2220 (defun gnus-data-update-list (data offset)
2221 "Add OFFSET to the POS of all data entries in DATA."
2222 (setq gnus-newsgroup-data-reverse nil)
2224 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2225 (setq data (cdr data))))
2227 (defun gnus-summary-article-pseudo-p (article)
2228 "Say whether this article is a pseudo article or not."
2229 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2231 (defmacro gnus-summary-article-sparse-p (article)
2232 "Say whether this article is a sparse article or not."
2233 `(memq ,article gnus-newsgroup-sparse))
2235 (defmacro gnus-summary-article-ancient-p (article)
2236 "Say whether this article is a sparse article or not."
2237 `(memq ,article gnus-newsgroup-ancient))
2239 (defun gnus-article-parent-p (number)
2240 "Say whether this article is a parent or not."
2241 (let ((data (gnus-data-find-list number)))
2242 (and (cdr data) ; There has to be an article after...
2243 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2244 (gnus-data-level (nth 1 data))))))
2246 (defun gnus-article-children (number)
2247 "Return a list of all children to NUMBER."
2248 (let* ((data (gnus-data-find-list number))
2249 (level (gnus-data-level (car data)))
2251 (setq data (cdr data))
2253 (= (gnus-data-level (car data)) (1+ level)))
2254 (push (gnus-data-number (car data)) children)
2255 (setq data (cdr data)))
2258 (defmacro gnus-summary-skip-intangible ()
2259 "If the current article is intangible, then jump to a different article."
2260 '(let ((to (get-text-property (point) 'gnus-intangible)))
2261 (and to (gnus-summary-goto-subject to))))
2263 (defmacro gnus-summary-article-intangible-p ()
2264 "Say whether this article is intangible or not."
2265 '(get-text-property (point) 'gnus-intangible))
2267 (defun gnus-article-read-p (article)
2268 "Say whether ARTICLE is read or not."
2269 (not (or (memq article gnus-newsgroup-marked)
2270 (memq article gnus-newsgroup-unreads)
2271 (memq article gnus-newsgroup-unselected)
2272 (memq article gnus-newsgroup-dormant))))
2274 ;; Some summary mode macros.
2276 (defmacro gnus-summary-article-number ()
2277 "The article number of the article on the current line.
2278 If there isn's an article number here, then we return the current
2281 (gnus-summary-skip-intangible)
2282 (or (get-text-property (point) 'gnus-number)
2283 (gnus-summary-last-subject))))
2285 (defmacro gnus-summary-article-header (&optional number)
2286 "Return the header of article NUMBER."
2287 `(gnus-data-header (gnus-data-find
2288 ,(or number '(gnus-summary-article-number)))))
2290 (defmacro gnus-summary-thread-level (&optional number)
2291 "Return the level of thread that starts with article NUMBER."
2292 `(if (and (eq gnus-summary-make-false-root 'dummy)
2293 (get-text-property (point) 'gnus-intangible))
2295 (gnus-data-level (gnus-data-find
2296 ,(or number '(gnus-summary-article-number))))))
2298 (defmacro gnus-summary-article-mark (&optional number)
2299 "Return the mark of article NUMBER."
2300 `(gnus-data-mark (gnus-data-find
2301 ,(or number '(gnus-summary-article-number)))))
2303 (defmacro gnus-summary-article-pos (&optional number)
2304 "Return the position of the line of article NUMBER."
2305 `(gnus-data-pos (gnus-data-find
2306 ,(or number '(gnus-summary-article-number)))))
2308 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2309 (defmacro gnus-summary-article-subject (&optional number)
2310 "Return current subject string or nil if nothing."
2313 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2314 '(gnus-data-header (assq (gnus-summary-article-number)
2315 gnus-newsgroup-data)))))
2318 (mail-header-subject headers))))
2320 (defmacro gnus-summary-article-score (&optional number)
2321 "Return current article score."
2322 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2323 gnus-newsgroup-scored))
2324 gnus-summary-default-score 0))
2326 (defun gnus-summary-article-children (&optional number)
2327 "Return a list of article numbers that are children of article NUMBER."
2328 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2329 (level (gnus-data-level (car data)))
2331 (while (and (setq data (cdr data))
2332 (> (setq l (gnus-data-level (car data))) level))
2333 (and (= (1+ level) l)
2334 (push (gnus-data-number (car data))
2336 (nreverse children)))
2338 (defun gnus-summary-article-parent (&optional number)
2339 "Return the article number of the parent of article NUMBER."
2340 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2341 (gnus-data-list t)))
2342 (level (gnus-data-level (car data))))
2344 () ; This is a root.
2345 ;; We search until we find an article with a level less than
2346 ;; this one. That function has to be the parent.
2347 (while (and (setq data (cdr data))
2348 (not (< (gnus-data-level (car data)) level))))
2349 (and data (gnus-data-number (car data))))))
2351 (defun gnus-unread-mark-p (mark)
2352 "Say whether MARK is the unread mark."
2353 (= mark gnus-unread-mark))
2355 (defun gnus-read-mark-p (mark)
2356 "Say whether MARK is one of the marks that mark as read.
2357 This is all marks except unread, ticked, dormant, and expirable."
2358 (not (or (= mark gnus-unread-mark)
2359 (= mark gnus-ticked-mark)
2360 (= mark gnus-dormant-mark)
2361 (= mark gnus-expirable-mark))))
2363 (defmacro gnus-article-mark (number)
2364 "Return the MARK of article NUMBER.
2365 This macro should only be used when computing the mark the \"first\"
2366 time; i.e., when generating the summary lines. After that,
2367 `gnus-summary-article-mark' should be used to examine the
2370 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2371 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2372 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2373 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2374 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2375 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2376 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2377 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2378 gnus-ancient-mark))))
2380 ;; Saving hidden threads.
2382 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2383 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2385 (defmacro gnus-save-hidden-threads (&rest forms)
2386 "Save hidden threads, eval FORMS, and restore the hidden threads."
2387 (let ((config (make-symbol "config")))
2388 `(let ((,config (gnus-hidden-threads-configuration)))
2392 (gnus-restore-hidden-threads-configuration ,config)))))
2394 (defun gnus-data-compute-positions ()
2395 "Compute the positions of all articles."
2396 (setq gnus-newsgroup-data-reverse nil)
2397 (let ((data gnus-newsgroup-data))
2399 (gnus-save-hidden-threads
2400 (gnus-summary-show-all-threads)
2401 (goto-char (point-min))
2403 (while (get-text-property (point) 'gnus-intangible)
2405 (gnus-data-set-pos (car data) (+ (point) 3))
2406 (setq data (cdr data))
2407 (forward-line 1))))))
2409 (defun gnus-hidden-threads-configuration ()
2410 "Return the current hidden threads configuration."
2413 (goto-char (point-min))
2414 (while (search-forward "\r" nil t)
2415 (push (1- (point)) config))
2418 (defun gnus-restore-hidden-threads-configuration (config)
2419 "Restore hidden threads configuration from CONFIG."
2420 (let (point buffer-read-only)
2421 (while (setq point (pop config))
2422 (when (and (< point (point-max))
2424 (eq (char-after) ?\n))
2425 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2427 ;; Various summary mode internalish functions.
2429 (defun gnus-mouse-pick-article (e)
2432 (gnus-summary-next-page nil t))
2434 (defun gnus-summary-set-display-table ()
2435 ;; Change the display table. Odd characters have a tendency to mess
2436 ;; up nicely formatted displays - we make all possible glyphs
2437 ;; display only a single character.
2439 ;; We start from the standard display table, if any.
2440 (let ((table (or (copy-sequence standard-display-table)
2441 (make-display-table)))
2443 ;; Nix out all the control chars...
2444 (while (>= (setq i (1- i)) 0)
2445 (aset table i [??]))
2446 ;; ... but not newline and cr, of course. (cr is necessary for the
2447 ;; selective display).
2448 (aset table ?\n nil)
2449 (aset table ?\r nil)
2450 ;; We keep TAB as well.
2451 (aset table ?\t nil)
2452 ;; We nix out any glyphs over 126 that are not set already.
2454 (while (>= (setq i (1- i)) 127)
2455 ;; Only modify if the entry is nil.
2456 (unless (aref table i)
2457 (aset table i [??]))))
2458 (setq buffer-display-table table)))
2460 (defun gnus-summary-setup-buffer (group)
2461 "Initialize summary buffer."
2462 (let ((buffer (concat "*Summary " group "*")))
2463 (if (get-buffer buffer)
2466 (setq gnus-summary-buffer (current-buffer))
2467 (not gnus-newsgroup-prepared))
2468 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2469 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2470 (gnus-summary-mode group)
2472 (gnus-carpal-setup-buffer 'summary))
2473 (unless gnus-single-article-buffer
2474 (make-local-variable 'gnus-article-buffer)
2475 (make-local-variable 'gnus-article-current)
2476 (make-local-variable 'gnus-original-article-buffer))
2477 (setq gnus-newsgroup-name group)
2480 (defun gnus-set-global-variables ()
2481 ;; Set the global equivalents of the summary buffer-local variables
2482 ;; to the latest values they had. These reflect the summary buffer
2483 ;; that was in action when the last article was fetched.
2484 (when (eq major-mode 'gnus-summary-mode)
2485 (setq gnus-summary-buffer (current-buffer))
2486 (let ((name gnus-newsgroup-name)
2487 (marked gnus-newsgroup-marked)
2488 (unread gnus-newsgroup-unreads)
2489 (headers gnus-current-headers)
2490 (data gnus-newsgroup-data)
2491 (summary gnus-summary-buffer)
2492 (article-buffer gnus-article-buffer)
2493 (original gnus-original-article-buffer)
2494 (gac gnus-article-current)
2495 (reffed gnus-reffed-article-number)
2496 (score-file gnus-current-score-file)
2497 (default-charset gnus-newsgroup-charset))
2499 (set-buffer gnus-group-buffer)
2500 (setq gnus-newsgroup-name name
2501 gnus-newsgroup-marked marked
2502 gnus-newsgroup-unreads unread
2503 gnus-current-headers headers
2504 gnus-newsgroup-data data
2505 gnus-article-current gac
2506 gnus-summary-buffer summary
2507 gnus-article-buffer article-buffer
2508 gnus-original-article-buffer original
2509 gnus-reffed-article-number reffed
2510 gnus-current-score-file score-file
2511 gnus-newsgroup-charset default-charset)
2512 ;; The article buffer also has local variables.
2513 (when (gnus-buffer-live-p gnus-article-buffer)
2514 (set-buffer gnus-article-buffer)
2515 (setq gnus-summary-buffer summary))))))
2517 (defun gnus-summary-article-unread-p (article)
2518 "Say whether ARTICLE is unread or not."
2519 (memq article gnus-newsgroup-unreads))
2521 (defun gnus-summary-first-article-p (&optional article)
2522 "Return whether ARTICLE is the first article in the buffer."
2523 (if (not (setq article (or article (gnus-summary-article-number))))
2525 (eq article (caar gnus-newsgroup-data))))
2527 (defun gnus-summary-last-article-p (&optional article)
2528 "Return whether ARTICLE is the last article in the buffer."
2529 (if (not (setq article (or article (gnus-summary-article-number))))
2530 ;; All non-existent numbers are the last article. :-)
2532 (not (cdr (gnus-data-find-list article)))))
2534 (defun gnus-make-thread-indent-array ()
2536 (unless (and gnus-thread-indent-array
2537 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2538 (setq gnus-thread-indent-array (make-vector 201 "")
2539 gnus-thread-indent-array-level gnus-thread-indent-level)
2541 (aset gnus-thread-indent-array n
2542 (make-string (* n gnus-thread-indent-level) ? ))
2545 (defun gnus-update-summary-mark-positions ()
2546 "Compute where the summary marks are to go."
2548 (when (gnus-buffer-exists-p gnus-summary-buffer)
2549 (set-buffer gnus-summary-buffer))
2550 (let ((gnus-replied-mark 129)
2551 (gnus-score-below-mark 130)
2552 (gnus-score-over-mark 130)
2553 (gnus-download-mark 131)
2554 (spec gnus-summary-line-format-spec)
2557 (gnus-set-work-buffer)
2558 (let ((gnus-summary-line-format-spec spec)
2559 (gnus-newsgroup-downloadable '((0 . t))))
2560 (gnus-summary-insert-line
2561 (make-full-mail-header 0 "" "nobody" "" "" "" 0 0 "" nil)
2562 0 nil 128 t nil "" nil 1)
2563 (goto-char (point-min))
2564 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2566 (goto-char (point-min))
2567 (push (cons 'replied (and (search-forward "\201" nil t)
2570 (goto-char (point-min))
2571 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2573 (goto-char (point-min))
2574 (push (cons 'download
2575 (and (search-forward "\203" nil t) (- (point) 2)))
2577 (setq gnus-summary-mark-positions pos))))
2579 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2580 "Insert a dummy root in the summary buffer."
2582 (gnus-add-text-properties
2583 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2584 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2586 (defun gnus-summary-from-or-to-or-newsgroups (header)
2587 (let ((to (cdr (assq 'To (mail-header-extra header))))
2588 (newsgroups (cdr (assq 'Newsgroups (mail-header-extra header))))
2589 (default-mime-charset (with-current-buffer gnus-summary-buffer
2590 default-mime-charset)))
2593 gnus-ignored-from-addresses
2594 (string-match gnus-ignored-from-addresses
2595 (mail-header-from header)))
2597 (or (car (funcall gnus-extract-address-components
2599 gnus-decode-encoded-word-function to)))
2600 (funcall gnus-decode-encoded-word-function to))))
2602 gnus-ignored-from-addresses
2603 (string-match gnus-ignored-from-addresses
2604 (mail-header-from header)))
2605 (concat "=> " newsgroups))
2607 (or (car (funcall gnus-extract-address-components
2608 (mail-header-from header)))
2609 (mail-header-from header))))))
2611 (defun gnus-summary-insert-line (gnus-tmp-header
2612 gnus-tmp-level gnus-tmp-current
2613 gnus-tmp-unread gnus-tmp-replied
2614 gnus-tmp-expirable gnus-tmp-subject-or-nil
2615 &optional gnus-tmp-dummy gnus-tmp-score
2617 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2618 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2619 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2620 (gnus-tmp-score-char
2621 (if (or (null gnus-summary-default-score)
2622 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2623 gnus-summary-zcore-fuzz))
2625 (if (< gnus-tmp-score gnus-summary-default-score)
2626 gnus-score-below-mark gnus-score-over-mark)))
2628 (cond (gnus-tmp-process gnus-process-mark)
2629 ((memq gnus-tmp-current gnus-newsgroup-cached)
2631 (gnus-tmp-replied gnus-replied-mark)
2632 ((memq gnus-tmp-current gnus-newsgroup-saved)
2634 (t gnus-unread-mark)))
2635 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2638 ((string-match "<[^>]+> *$" gnus-tmp-from)
2639 (let ((beg (match-beginning 0)))
2640 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2641 (substring gnus-tmp-from (1+ (match-beginning 0))
2642 (1- (match-end 0))))
2643 (substring gnus-tmp-from 0 beg))))
2644 ((string-match "(.+)" gnus-tmp-from)
2645 (substring gnus-tmp-from
2646 (1+ (match-beginning 0)) (1- (match-end 0))))
2648 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2649 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2650 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2651 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2652 (buffer-read-only nil))
2653 (when (string= gnus-tmp-name "")
2654 (setq gnus-tmp-name gnus-tmp-from))
2655 (unless (numberp gnus-tmp-lines)
2656 (setq gnus-tmp-lines 0))
2657 (gnus-put-text-property-excluding-characters-with-faces
2659 (progn (eval gnus-summary-line-format-spec) (point))
2660 'gnus-number gnus-tmp-number)
2661 (when (gnus-visual-p 'summary-highlight 'highlight)
2663 (gnus-run-hooks 'gnus-summary-update-hook)
2666 (defun gnus-summary-update-line (&optional dont-update)
2667 ;; Update summary line after change.
2668 (when (and gnus-summary-default-score
2669 (not gnus-summary-inhibit-highlight))
2670 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2671 (article (gnus-summary-article-number))
2672 (score (gnus-summary-article-score article)))
2674 (if (and gnus-summary-mark-below
2675 (< (gnus-summary-article-score)
2676 gnus-summary-mark-below))
2677 ;; This article has a low score, so we mark it as read.
2678 (when (memq article gnus-newsgroup-unreads)
2679 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2680 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2681 ;; This article was previously marked as read on account
2682 ;; of a low score, but now it has risen, so we mark it as
2684 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2685 (gnus-summary-update-mark
2686 (if (or (null gnus-summary-default-score)
2687 (<= (abs (- score gnus-summary-default-score))
2688 gnus-summary-zcore-fuzz))
2690 (if (< score gnus-summary-default-score)
2691 gnus-score-below-mark gnus-score-over-mark))
2693 ;; Do visual highlighting.
2694 (when (gnus-visual-p 'summary-highlight 'highlight)
2695 (gnus-run-hooks 'gnus-summary-update-hook)))))
2697 (defvar gnus-tmp-new-adopts nil)
2699 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2700 "Return the number of articles in THREAD.
2701 This may be 0 in some cases -- if none of the articles in
2702 the thread are to be displayed."
2704 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2706 ((not (listp thread))
2708 ((and (consp thread) (cdr thread))
2711 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2714 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2717 (when (and level (zerop level) gnus-tmp-new-adopts)
2720 'gnus-summary-number-of-articles-in-thread
2721 gnus-tmp-new-adopts))))
2723 (if (> number 1) gnus-not-empty-thread-mark
2724 gnus-empty-thread-mark)
2727 (defun gnus-summary-set-local-parameters (group)
2728 "Go through the local params of GROUP and set all variable specs in that list."
2729 (let ((params (gnus-group-find-parameter group))
2732 (setq elem (car params)
2733 params (cdr params))
2734 (and (consp elem) ; Has to be a cons.
2735 (consp (cdr elem)) ; The cdr has to be a list.
2736 (symbolp (car elem)) ; Has to be a symbol in there.
2737 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2738 (ignore-errors ; So we set it.
2739 (make-local-variable (car elem))
2740 (set (car elem) (eval (nth 1 elem))))))))
2742 (defun gnus-summary-read-group (group &optional show-all no-article
2743 kill-buffer no-display backward
2745 "Start reading news in newsgroup GROUP.
2746 If SHOW-ALL is non-nil, already read articles are also listed.
2747 If NO-ARTICLE is non-nil, no article is selected initially.
2748 If NO-DISPLAY, don't generate a summary buffer."
2752 (let ((gnus-auto-select-next nil))
2753 (or (gnus-summary-read-group-1
2754 group show-all no-article
2755 kill-buffer no-display
2758 select-articles nil)))))
2759 (eq gnus-auto-select-next 'quietly))
2760 (set-buffer gnus-group-buffer)
2761 ;; The entry function called above goes to the next
2762 ;; group automatically, so we go two groups back
2763 ;; if we are searching for the previous group.
2765 (gnus-group-prev-unread-group 2))
2766 (if (not (equal group (gnus-group-group-name)))
2767 (setq group (gnus-group-group-name))
2771 (defun gnus-summary-jump-to-other-group (group &optional show-all)
2772 "Directly jump to the other GROUP from summary buffer.
2773 If SHOW-ALL is non-nil, already read articles are also listed."
2775 (if (eq gnus-summary-buffer (current-buffer))
2776 (list (completing-read
2777 "Group: " gnus-active-hashtb nil t
2778 (when (and gnus-newsgroup-name
2779 (string-match "[.:][^.:]+$" gnus-newsgroup-name))
2780 (substring gnus-newsgroup-name 0 (1+ (match-beginning 0))))
2781 'gnus-group-history)
2783 (error "%s must be invoked from a gnus summary buffer." this-command)))
2784 (unless (or (zerop (length group))
2785 (and gnus-newsgroup-name
2786 (string-equal gnus-newsgroup-name group)))
2788 (gnus-summary-read-group group show-all
2789 gnus-dont-select-after-jump-to-other-group)))
2791 (defun gnus-summary-read-group-1 (group show-all no-article
2792 kill-buffer no-display
2793 &optional select-articles)
2794 ;; Killed foreign groups can't be entered.
2795 (when (and (not (gnus-group-native-p group))
2796 (not (gnus-gethash group gnus-newsrc-hashtb)))
2797 (error "Dead non-native groups can't be entered"))
2798 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2799 (let* ((new-group (gnus-summary-setup-buffer group))
2800 (quit-config (gnus-group-quit-config group))
2801 (did-select (and new-group (gnus-select-newsgroup
2802 group show-all select-articles))))
2804 ;; This summary buffer exists already, so we just select it.
2806 (gnus-set-global-variables)
2808 (gnus-kill-or-deaden-summary kill-buffer))
2809 (gnus-configure-windows 'summary 'force)
2810 (gnus-set-mode-line 'summary)
2811 (gnus-summary-position-point)
2814 ;; We couldn't select this group.
2816 (when (and (eq major-mode 'gnus-summary-mode)
2817 (not (equal (current-buffer) kill-buffer)))
2818 (kill-buffer (current-buffer))
2819 (if (not quit-config)
2821 ;; Update the info -- marks might need to be removed,
2823 (gnus-summary-update-info)
2824 (set-buffer gnus-group-buffer)
2825 (gnus-group-jump-to-group group)
2826 (gnus-group-next-unread-group 1))
2827 (gnus-handle-ephemeral-exit quit-config)))
2828 (gnus-message 3 "Can't select group")
2830 ;; The user did a `C-g' while prompting for number of articles,
2831 ;; so we exit this group.
2832 ((eq did-select 'quit)
2833 (and (eq major-mode 'gnus-summary-mode)
2834 (not (equal (current-buffer) kill-buffer))
2835 (kill-buffer (current-buffer)))
2837 (gnus-kill-or-deaden-summary kill-buffer))
2838 (if (not quit-config)
2840 (set-buffer gnus-group-buffer)
2841 (gnus-group-jump-to-group group)
2842 (gnus-group-next-unread-group 1)
2843 (gnus-configure-windows 'group 'force))
2844 (gnus-handle-ephemeral-exit quit-config))
2845 ;; Finally signal the quit.
2847 ;; The group was successfully selected.
2849 (gnus-set-global-variables)
2850 ;; Save the active value in effect when the group was entered.
2851 (setq gnus-newsgroup-active
2853 (gnus-active gnus-newsgroup-name)))
2854 ;; You can change the summary buffer in some way with this hook.
2855 (gnus-run-hooks 'gnus-select-group-hook)
2856 ;; Set any local variables in the group parameters.
2857 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2858 (gnus-update-format-specifications
2859 nil 'summary 'summary-mode 'summary-dummy)
2860 (gnus-update-summary-mark-positions)
2861 ;; Do score processing.
2862 (when gnus-use-scoring
2863 (gnus-possibly-score-headers))
2864 ;; Check whether to fill in the gaps in the threads.
2865 (when gnus-build-sparse-threads
2866 (gnus-build-sparse-threads))
2867 ;; Find the initial limit.
2868 (if gnus-show-threads
2870 (let ((gnus-newsgroup-dormant nil))
2871 (gnus-summary-initial-limit show-all))
2872 (gnus-summary-initial-limit show-all))
2873 ;; When untreaded, all articles are always shown.
2874 (setq gnus-newsgroup-limit
2876 (lambda (header) (mail-header-number header))
2877 gnus-newsgroup-headers)))
2878 ;; Generate the summary buffer.
2880 (gnus-summary-prepare))
2881 (when gnus-use-trees
2882 (gnus-tree-open group)
2883 (setq gnus-summary-highlight-line-function
2884 'gnus-tree-highlight-article))
2885 ;; If the summary buffer is empty, but there are some low-scored
2886 ;; articles or some excluded dormants, we include these in the
2888 (when (and (zerop (buffer-size))
2890 (cond (gnus-newsgroup-dormant
2891 (gnus-summary-limit-include-dormant))
2892 ((and gnus-newsgroup-scored show-all)
2893 (gnus-summary-limit-include-expunged t))))
2894 ;; Function `gnus-apply-kill-file' must be called in this hook.
2895 (gnus-run-hooks 'gnus-apply-kill-hook)
2896 (if (and (zerop (buffer-size))
2899 ;; This newsgroup is empty.
2900 (gnus-summary-catchup-and-exit nil t)
2901 (gnus-message 6 "No unread news")
2903 (gnus-kill-or-deaden-summary kill-buffer))
2904 ;; Return nil from this function.
2906 ;; Hide conversation thread subtrees. We cannot do this in
2907 ;; gnus-summary-prepare-hook since kill processing may not
2908 ;; work with hidden articles.
2909 (and gnus-show-threads
2910 gnus-thread-hide-subtree
2911 (gnus-summary-hide-all-threads))
2913 (gnus-kill-or-deaden-summary kill-buffer))
2914 ;; Show first unread article if requested.
2915 (if (and (not no-article)
2917 gnus-newsgroup-unreads
2918 gnus-auto-select-first)
2920 (gnus-configure-windows 'summary)
2922 ((eq gnus-auto-select-first 'best)
2923 (gnus-summary-best-unread-article))
2924 ((eq gnus-auto-select-first t)
2925 (gnus-summary-first-unread-article))
2926 ((gnus-functionp gnus-auto-select-first)
2927 (funcall gnus-auto-select-first))))
2928 ;; Don't select any articles, just move point to the first
2929 ;; article in the group.
2930 (goto-char (point-min))
2931 (gnus-summary-position-point)
2932 (gnus-configure-windows 'summary 'force)
2933 (gnus-set-mode-line 'summary))
2934 (when (get-buffer-window gnus-group-buffer t)
2935 ;; Gotta use windows, because recenter does weird stuff if
2936 ;; the current buffer ain't the displayed window.
2937 (let ((owin (selected-window)))
2938 (select-window (get-buffer-window gnus-group-buffer t))
2939 (when (gnus-group-goto-group group)
2941 (select-window owin)))
2942 ;; Mark this buffer as "prepared".
2943 (setq gnus-newsgroup-prepared t)
2944 (gnus-run-hooks 'gnus-summary-prepared-hook)
2947 (defun gnus-summary-prepare ()
2948 "Generate the summary buffer."
2950 (let ((buffer-read-only nil))
2952 (setq gnus-newsgroup-data nil
2953 gnus-newsgroup-data-reverse nil)
2954 (gnus-run-hooks 'gnus-summary-generate-hook)
2955 ;; Generate the buffer, either with threads or without.
2956 (when gnus-newsgroup-headers
2957 (gnus-summary-prepare-threads
2958 (if gnus-show-threads
2959 (gnus-sort-gathered-threads
2960 (funcall gnus-summary-thread-gathering-function
2962 (gnus-cut-threads (gnus-make-threads)))))
2963 ;; Unthreaded display.
2964 (gnus-sort-articles gnus-newsgroup-headers))))
2965 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2966 ;; Call hooks for modifying summary buffer.
2967 (goto-char (point-min))
2968 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2970 (defsubst gnus-general-simplify-subject (subject)
2971 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2974 ;; Truncate the subject.
2975 (gnus-simplify-subject-functions
2976 (gnus-map-function gnus-simplify-subject-functions subject))
2977 ((numberp gnus-summary-gather-subject-limit)
2978 (setq subject (gnus-simplify-subject-re subject))
2979 (if (> (length subject) gnus-summary-gather-subject-limit)
2980 (substring subject 0 gnus-summary-gather-subject-limit)
2982 ;; Fuzzily simplify it.
2983 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2984 (gnus-simplify-subject-fuzzy subject))
2985 ;; Just remove the leading "Re:".
2987 (gnus-simplify-subject-re subject))))
2989 (if (and gnus-summary-gather-exclude-subject
2990 (string-match gnus-summary-gather-exclude-subject subject))
2991 nil ; This article shouldn't be gathered
2994 (defun gnus-summary-simplify-subject-query ()
2995 "Query where the respool algorithm would put this article."
2997 (gnus-summary-select-article)
2998 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3000 (defun gnus-gather-threads-by-subject (threads)
3001 "Gather threads by looking at Subject headers."
3002 (if (not gnus-summary-make-false-root)
3004 (let ((hashtb (gnus-make-hashtable 1024))
3007 subject hthread whole-subject)
3009 (setq subject (gnus-general-simplify-subject
3010 (setq whole-subject (mail-header-subject
3013 (if (setq hthread (gnus-gethash subject hashtb))
3015 ;; We enter a dummy root into the thread, if we
3016 ;; haven't done that already.
3017 (unless (stringp (caar hthread))
3018 (setcar hthread (list whole-subject (car hthread))))
3019 ;; We add this new gathered thread to this gathered
3021 (setcdr (car hthread)
3022 (nconc (cdar hthread) (list (car threads))))
3023 ;; Remove it from the list of threads.
3024 (setcdr prev (cdr threads))
3025 (setq threads prev))
3026 ;; Enter this thread into the hash table.
3027 (gnus-sethash subject threads hashtb)))
3029 (setq threads (cdr threads)))
3032 (defun gnus-gather-threads-by-references (threads)
3033 "Gather threads by looking at References headers."
3034 (let ((idhashtb (gnus-make-hashtable 1024))
3035 (thhashtb (gnus-make-hashtable 1024))
3038 ids references id gthread gid entered ref)
3040 (when (setq references (mail-header-references (caar threads)))
3041 (setq id (mail-header-id (caar threads))
3042 ids (gnus-split-references references)
3044 (while (setq ref (pop ids))
3045 (setq ids (delete ref ids))
3046 (if (not (setq gid (gnus-gethash ref idhashtb)))
3048 (gnus-sethash ref id idhashtb)
3049 (gnus-sethash id threads thhashtb))
3050 (setq gthread (gnus-gethash gid thhashtb))
3052 ;; We enter a dummy root into the thread, if we
3053 ;; haven't done that already.
3054 (unless (stringp (caar gthread))
3055 (setcar gthread (list (mail-header-subject (caar gthread))
3057 ;; We add this new gathered thread to this gathered
3059 (setcdr (car gthread)
3060 (nconc (cdar gthread) (list (car threads)))))
3061 ;; Add it into the thread hash table.
3062 (gnus-sethash id gthread thhashtb)
3064 ;; Remove it from the list of threads.
3065 (setcdr prev (cdr threads))
3066 (setq threads prev))))
3068 (setq threads (cdr threads)))
3071 (defun gnus-sort-gathered-threads (threads)
3072 "Sort subtreads inside each gathered thread by article number."
3073 (let ((result threads))
3075 (when (stringp (caar threads))
3076 (setcdr (car threads)
3077 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3078 (setq threads (cdr threads)))
3081 (defun gnus-thread-loop-p (root thread)
3082 "Say whether ROOT is in THREAD."
3083 (let ((stack (list thread))
3086 (while (setq thread (pop stack))
3087 (setq th (cdr thread))
3089 (not (eq (caar th) root)))
3092 ;; We have found a loop.
3094 (setcdr thread (delq (car th) (cdr thread)))
3095 (if (boundp (setq ref-dep (intern "none"
3096 gnus-newsgroup-dependencies)))
3097 (setcdr (symbol-value ref-dep)
3098 (nconc (cdr (symbol-value ref-dep))
3100 (set ref-dep (list nil (car th))))
3103 ;; Push all the subthreads onto the stack.
3104 (push (cdr thread) stack)))
3107 (defun gnus-make-threads ()
3108 "Go through the dependency hashtb and find the roots. Return all threads."
3110 (while (catch 'infloop
3113 ;; Deal with self-referencing References loops.
3114 (when (and (car (symbol-value refs))
3121 (car (symbol-value refs)) thread))
3122 (cdr (symbol-value refs)))))))
3125 (unless (car (symbol-value refs))
3126 ;; These threads do not refer back to any other articles,
3127 ;; so they're roots.
3128 (setq threads (append (cdr (symbol-value refs)) threads))))
3129 gnus-newsgroup-dependencies)))
3132 ;; Build the thread tree.
3133 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3134 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3136 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3137 if it was already present.
3139 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3140 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3141 Message-IDs will be renamed be renamed to a unique Message-ID before
3144 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3145 (let* ((id (mail-header-id header))
3146 (id-dep (and id (intern id dependencies)))
3147 ref ref-dep ref-header)
3148 ;; Enter this `header' in the `dependencies' table.
3152 ;; The first two cases do the normal part: enter a new `header'
3153 ;; in the `dependencies' table.
3154 ((not (boundp id-dep))
3155 (set id-dep (list header)))
3156 ((null (car (symbol-value id-dep)))
3157 (setcar (symbol-value id-dep) header))
3159 ;; From here the `header' was already present in the
3160 ;; `dependencies' table.
3162 ;; Overrides an existing entry;
3163 ;; just set the header part of the entry.
3164 (setcar (symbol-value id-dep) header))
3166 ;; Renames the existing `header' to a unique Message-ID.
3167 ((not gnus-summary-ignore-duplicates)
3168 ;; An article with this Message-ID has already been seen.
3169 ;; We rename the Message-ID.
3170 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3172 (mail-header-set-id header id))
3174 ;; The last case ignores an existing entry, except it adds any
3175 ;; additional Xrefs (in case the two articles came from different
3177 ;; Also sets `header' to `nil' meaning that the `dependencies'
3178 ;; table was *not* modified.
3180 (mail-header-set-xref
3181 (car (symbol-value id-dep))
3182 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3184 (or (mail-header-xref header) "")))
3188 ;; First check if that we are not creating a References loop.
3189 (setq ref (gnus-parent-id (mail-header-references header)))
3191 (setq ref-dep (intern-soft ref dependencies))
3193 (setq ref-header (car (symbol-value ref-dep))))
3194 (if (string= id ref)
3195 ;; Yuk! This is a reference loop. Make the article be a
3198 (mail-header-set-references (car (symbol-value id-dep)) "none")
3200 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3201 (setq ref (gnus-parent-id (mail-header-references header)))
3202 (setq ref-dep (intern (or ref "none") dependencies))
3203 (if (boundp ref-dep)
3204 (setcdr (symbol-value ref-dep)
3205 (nconc (cdr (symbol-value ref-dep))
3206 (list (symbol-value id-dep))))
3207 (set ref-dep (list nil (symbol-value id-dep)))))
3210 (defun gnus-build-sparse-threads ()
3211 (let ((headers gnus-newsgroup-headers)
3212 (mail-parse-charset gnus-newsgroup-charset)
3213 (gnus-summary-ignore-duplicates t)
3214 header references generation relations
3215 subject child end new-child date)
3216 ;; First we create an alist of generations/relations, where
3217 ;; generations is how much we trust the relation, and the relation
3219 (gnus-message 7 "Making sparse threads...")
3221 (nnheader-set-temp-buffer " *gnus sparse threads*")
3222 (while (setq header (pop headers))
3223 (when (and (setq references (mail-header-references header))
3224 (not (string= references "")))
3226 (setq child (mail-header-id header)
3227 subject (mail-header-subject header)
3228 date (mail-header-date header)
3230 (while (search-backward ">" nil t)
3231 (setq end (1+ (point)))
3232 (when (search-backward "<" nil t)
3233 (setq new-child (buffer-substring (point) end))
3234 (push (list (incf generation)
3235 child (setq child new-child)
3239 (push (list (1+ generation) child nil subject) relations))
3241 (kill-buffer (current-buffer)))
3242 ;; Sort over trustworthiness.
3245 (when (gnus-dependencies-add-header
3246 (make-full-mail-header
3247 gnus-reffed-article-number
3248 (nth 3 relation) "" (or (nth 4 relation) "")
3250 (or (nth 2 relation) "") 0 0 "")
3251 gnus-newsgroup-dependencies nil)
3252 (push gnus-reffed-article-number gnus-newsgroup-limit)
3253 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3254 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3255 gnus-newsgroup-reads)
3256 (decf gnus-reffed-article-number)))
3257 (sort relations 'car-less-than-car))
3258 (gnus-message 7 "Making sparse threads...done")))
3260 (defun gnus-build-old-threads ()
3261 ;; Look at all the articles that refer back to old articles, and
3262 ;; fetch the headers for the articles that aren't there. This will
3263 ;; build complete threads - if the roots haven't been expired by the
3265 (let ((mail-parse-charset gnus-newsgroup-charset)
3269 (when (not (car (symbol-value refs)))
3270 (setq heads (cdr (symbol-value refs)))
3272 (if (memq (mail-header-number (caar heads))
3273 gnus-newsgroup-dormant)
3274 (setq heads (cdr heads))
3275 (setq id (symbol-name refs))
3276 (while (and (setq id (gnus-build-get-header id))
3277 (not (car (gnus-id-to-thread id)))))
3278 (setq heads nil)))))
3279 gnus-newsgroup-dependencies)))
3281 ;; This function has to be called with point after the article number
3282 ;; on the beginning of the line.
3283 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3284 (let ((eol (gnus-point-at-eol))
3285 (buffer (current-buffer))
3288 ;; overview: [num subject from date id refs chars lines misc]
3293 (make-full-mail-header
3295 (nnheader-nov-field) ; subject
3296 (nnheader-nov-field) ; from
3297 (nnheader-nov-field) ; date
3298 (nnheader-nov-read-message-id) ; id
3299 (nnheader-nov-field) ; refs
3300 (nnheader-nov-read-integer) ; chars
3301 (nnheader-nov-read-integer) ; lines
3303 (nnheader-nov-field)) ; misc
3304 (nnheader-nov-parse-extra))) ; extra
3306 (when gnus-alter-header-function
3307 (funcall gnus-alter-header-function header))
3308 (gnus-dependencies-add-header header dependencies force-new)))
3310 (defun gnus-build-get-header (id)
3311 ;; Look through the buffer of NOV lines and find the header to
3312 ;; ID. Enter this line into the dependencies hash table, and return
3313 ;; the id of the parent article (if any).
3314 (let ((deps gnus-newsgroup-dependencies)
3318 (set-buffer nntp-server-buffer)
3319 (let ((case-fold-search nil))
3320 (goto-char (point-min))
3321 (while (and (not found)
3322 (search-forward id nil t))
3324 (setq found (looking-at
3325 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3326 (regexp-quote id))))
3327 (or found (beginning-of-line 2)))
3331 (setq header (gnus-nov-parse-line
3332 (read (current-buffer)) deps))
3333 (gnus-parent-id (mail-header-references header))))))
3335 (let ((number (mail-header-number header)))
3336 (push number gnus-newsgroup-limit)
3337 (push header gnus-newsgroup-headers)
3338 (if (memq number gnus-newsgroup-unselected)
3340 (push number gnus-newsgroup-unreads)
3341 (setq gnus-newsgroup-unselected
3342 (delq number gnus-newsgroup-unselected)))
3343 (push number gnus-newsgroup-ancient)))))))
3345 (defun gnus-build-all-threads ()
3346 "Read all the headers."
3347 (let ((gnus-summary-ignore-duplicates t)
3348 (mail-parse-charset gnus-newsgroup-charset)
3349 (dependencies gnus-newsgroup-dependencies)
3352 (set-buffer nntp-server-buffer)
3353 (let ((case-fold-search nil))
3354 (goto-char (point-min))
3357 (setq article (read (current-buffer))
3358 header (gnus-nov-parse-line article dependencies)))
3361 (set-buffer gnus-summary-buffer)
3362 (push header gnus-newsgroup-headers)
3363 (if (memq (setq article (mail-header-number header))
3364 gnus-newsgroup-unselected)
3366 (push article gnus-newsgroup-unreads)
3367 (setq gnus-newsgroup-unselected
3368 (delq article gnus-newsgroup-unselected)))
3369 (push article gnus-newsgroup-ancient)))
3370 (forward-line 1)))))))
3372 (defun gnus-summary-update-article-line (article header)
3373 "Update the line for ARTICLE using HEADERS."
3374 (let* ((id (mail-header-id header))
3375 (thread (gnus-id-to-thread id)))
3377 (error "Article in no thread"))
3378 ;; Update the thread.
3379 (setcar thread header)
3380 (gnus-summary-goto-subject article)
3381 (let* ((datal (gnus-data-find-list article))
3383 (length (when (cdr datal)
3384 (- (gnus-data-pos data)
3385 (gnus-data-pos (cadr datal)))))
3386 (buffer-read-only nil)
3387 (level (gnus-summary-thread-level)))
3389 (gnus-summary-insert-line
3390 header level nil (gnus-article-mark article)
3391 (memq article gnus-newsgroup-replied)
3392 (memq article gnus-newsgroup-expirable)
3393 ;; Only insert the Subject string when it's different
3394 ;; from the previous Subject string.
3395 (if (gnus-subject-equal
3397 (mail-header-subject
3400 (gnus-data-find-list
3402 (gnus-data-list t)))))
3403 ;; Error on the side of excessive subjects.
3405 (mail-header-subject header))
3407 (mail-header-subject header))
3408 nil (cdr (assq article gnus-newsgroup-scored))
3409 (memq article gnus-newsgroup-processable))
3411 (gnus-data-update-list
3412 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3414 (defun gnus-summary-update-article (article &optional iheader)
3415 "Update ARTICLE in the summary buffer."
3416 (set-buffer gnus-summary-buffer)
3417 (let* ((header (gnus-summary-article-header article))
3418 (id (mail-header-id header))
3419 (data (gnus-data-find article))
3420 (thread (gnus-id-to-thread id))
3421 (references (mail-header-references header))
3425 (when (and references
3426 (not (equal "" references)))
3429 (buffer-read-only nil)
3435 (delq thread parent)))
3436 (if (gnus-summary-insert-subject id header)
3437 ;; Set the (possibly) new article number in the data structure.
3438 (gnus-data-set-number data (gnus-id-to-article id))
3442 (defun gnus-rebuild-thread (id &optional line)
3443 "Rebuild the thread containing ID.
3444 If LINE, insert the rebuilt thread starting on line LINE."
3445 (let ((buffer-read-only nil)
3446 old-pos current thread data)
3447 (if (not gnus-show-threads)
3448 (setq thread (list (car (gnus-id-to-thread id))))
3449 ;; Get the thread this article is part of.
3450 (setq thread (gnus-remove-thread id)))
3451 (setq old-pos (gnus-point-at-bol))
3452 (setq current (save-excursion
3453 (and (zerop (forward-line -1))
3454 (gnus-summary-article-number))))
3455 ;; If this is a gathered thread, we have to go some re-gathering.
3456 (when (stringp (car thread))
3457 (let ((subject (car thread))
3459 (setq thread (cdr thread))
3461 (unless (memq (setq thr (gnus-id-to-thread
3463 (mail-header-id (caar thread)))))
3466 (setq thread (cdr thread)))
3467 ;; We now have all (unique) roots.
3468 (if (= (length roots) 1)
3469 ;; All the loose roots are now one solid root.
3470 (setq thread (car roots))
3471 (setq thread (cons subject (gnus-sort-threads roots))))))
3473 ;; We then insert this thread into the summary buffer.
3475 (goto-char (point-min))
3476 (forward-line (1- line)))
3477 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3478 (if gnus-show-threads
3479 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3480 (gnus-summary-prepare-unthreaded thread))
3481 (setq data (nreverse gnus-newsgroup-data))
3482 (setq threads gnus-newsgroup-threads))
3483 ;; We splice the new data into the data structure.
3484 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3485 ;;!!! then we want to insert at the beginning of the buffer.
3486 ;;!!! That happens to be true with Gnus now, but that may
3487 ;;!!! change in the future. Perhaps.
3488 (gnus-data-enter-list
3489 (if line nil current) data (- (point) old-pos))
3490 (setq gnus-newsgroup-threads
3491 (nconc threads gnus-newsgroup-threads))
3492 (gnus-data-compute-positions))))
3494 (defun gnus-number-to-header (number)
3495 "Return the header for article NUMBER."
3496 (let ((headers gnus-newsgroup-headers))
3498 (not (= number (mail-header-number (car headers)))))
3503 (defun gnus-parent-headers (in-headers &optional generation)
3504 "Return the headers of the GENERATIONeth parent of HEADERS."
3506 (setq generation 1))
3508 (headers in-headers)
3511 (not (zerop generation))
3512 (setq references (mail-header-references headers)))
3513 (setq headers (if (and references
3514 (setq parent (gnus-parent-id references)))
3515 (car (gnus-id-to-thread parent))
3518 (and (not (eq headers in-headers))
3521 (defun gnus-id-to-thread (id)
3522 "Return the (sub-)thread where ID appears."
3523 (gnus-gethash id gnus-newsgroup-dependencies))
3525 (defun gnus-id-to-article (id)
3526 "Return the article number of ID."
3527 (let ((thread (gnus-id-to-thread id)))
3530 (mail-header-number (car thread)))))
3532 (defun gnus-id-to-header (id)
3533 "Return the article headers of ID."
3534 (car (gnus-id-to-thread id)))
3536 (defun gnus-article-displayed-root-p (article)
3537 "Say whether ARTICLE is a root(ish) article."
3538 (let ((level (gnus-summary-thread-level article))
3539 (refs (mail-header-references (gnus-summary-article-header article)))
3545 ((null (gnus-parent-id refs)) t)
3547 (null (setq particle (gnus-id-to-article
3548 (gnus-parent-id refs))))
3549 (null (gnus-summary-thread-level particle)))))))
3551 (defun gnus-root-id (id)
3552 "Return the id of the root of the thread where ID appears."
3554 (while (and id (setq prev (car (gnus-id-to-thread id))))
3556 id (gnus-parent-id (mail-header-references prev))))
3559 (defun gnus-articles-in-thread (thread)
3560 "Return the list of articles in THREAD."
3561 (cons (mail-header-number (car thread))
3562 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3564 (defun gnus-remove-thread (id &optional dont-remove)
3565 "Remove the thread that has ID in it."
3566 (let (headers thread last-id)
3567 ;; First go up in this thread until we find the root.
3568 (setq last-id (gnus-root-id id)
3569 headers (message-flatten-list (gnus-id-to-thread last-id)))
3570 ;; We have now found the real root of this thread. It might have
3571 ;; been gathered into some loose thread, so we have to search
3572 ;; through the threads to find the thread we wanted.
3573 (let ((threads gnus-newsgroup-threads)
3576 (setq sub (car threads))
3577 (if (stringp (car sub))
3578 ;; This is a gathered thread, so we look at the roots
3579 ;; below it to find whether this article is in this
3582 (setq sub (cdr sub))
3584 (when (member (caar sub) headers)
3585 (setq thread (car threads)
3588 (setq sub (cdr sub))))
3589 ;; It's an ordinary thread, so we check it.
3590 (when (eq (car sub) (car headers))
3593 (setq threads (cdr threads)))
3594 ;; If this article is in no thread, then it's a root.
3597 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3598 (setq thread (gnus-id-to-thread last-id)))
3601 thread ; We return this thread.
3603 (if (stringp (car thread))
3605 ;; If we use dummy roots, then we have to remove the
3606 ;; dummy root as well.
3607 (when (eq gnus-summary-make-false-root 'dummy)
3608 ;; We go to the dummy root by going to
3609 ;; the first sub-"thread", and then one line up.
3610 (gnus-summary-goto-article
3611 (mail-header-number (caadr thread)))
3614 (gnus-data-compute-positions))
3615 (setq thread (cdr thread))
3617 (gnus-remove-thread-1 (car thread))
3618 (setq thread (cdr thread))))
3619 (gnus-summary-show-all-threads)
3620 (gnus-remove-thread-1 thread))))))))
3622 (defun gnus-remove-thread-1 (thread)
3623 "Remove the thread THREAD recursively."
3624 (let ((number (mail-header-number (pop thread)))
3626 (setq thread (reverse thread))
3628 (gnus-remove-thread-1 (pop thread)))
3629 (when (setq d (gnus-data-find number))
3630 (goto-char (gnus-data-pos d))
3633 (- (gnus-point-at-bol)
3635 (1+ (gnus-point-at-eol))
3636 (gnus-delete-line)))))))
3638 (defun gnus-sort-threads (threads)
3640 (if (not gnus-thread-sort-functions)
3642 (gnus-message 8 "Sorting threads...")
3644 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3645 (gnus-message 8 "Sorting threads...done"))))
3647 (defun gnus-sort-articles (articles)
3649 (when gnus-article-sort-functions
3650 (gnus-message 7 "Sorting articles...")
3652 (setq gnus-newsgroup-headers
3653 (sort articles (gnus-make-sort-function
3654 gnus-article-sort-functions)))
3655 (gnus-message 7 "Sorting articles...done"))))
3657 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3658 (defmacro gnus-thread-header (thread)
3659 ;; Return header of first article in THREAD.
3660 ;; Note that THREAD must never, ever be anything else than a variable -
3661 ;; using some other form will lead to serious barfage.
3662 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3663 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3664 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
3667 (defsubst gnus-article-sort-by-number (h1 h2)
3668 "Sort articles by article number."
3669 (< (mail-header-number h1)
3670 (mail-header-number h2)))
3672 (defun gnus-thread-sort-by-number (h1 h2)
3673 "Sort threads by root article number."
3674 (gnus-article-sort-by-number
3675 (gnus-thread-header h1) (gnus-thread-header h2)))
3677 (defsubst gnus-article-sort-by-lines (h1 h2)
3678 "Sort articles by article Lines header."
3679 (< (mail-header-lines h1)
3680 (mail-header-lines h2)))
3682 (defun gnus-thread-sort-by-lines (h1 h2)
3683 "Sort threads by root article Lines header."
3684 (gnus-article-sort-by-lines
3685 (gnus-thread-header h1) (gnus-thread-header h2)))
3687 (defsubst gnus-article-sort-by-chars (h1 h2)
3688 "Sort articles by octet length."
3689 (< (mail-header-chars h1)
3690 (mail-header-chars h2)))
3692 (defun gnus-thread-sort-by-chars (h1 h2)
3693 "Sort threads by root article octet length."
3694 (gnus-article-sort-by-chars
3695 (gnus-thread-header h1) (gnus-thread-header h2)))
3697 (defsubst gnus-article-sort-by-author (h1 h2)
3698 "Sort articles by root author."
3700 (let ((addr (car (mime-read-field 'From h1))))
3701 (or (std11-full-name-string addr)
3702 (std11-address-string addr)
3704 (let ((addr (car (mime-read-field 'From h2))))
3705 (or (std11-full-name-string addr)
3706 (std11-address-string addr)
3710 (defun gnus-thread-sort-by-author (h1 h2)
3711 "Sort threads by root author."
3712 (gnus-article-sort-by-author
3713 (gnus-thread-header h1) (gnus-thread-header h2)))
3715 (defsubst gnus-article-sort-by-subject (h1 h2)
3716 "Sort articles by root subject."
3718 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3719 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3721 (defun gnus-thread-sort-by-subject (h1 h2)
3722 "Sort threads by root subject."
3723 (gnus-article-sort-by-subject
3724 (gnus-thread-header h1) (gnus-thread-header h2)))
3726 (defsubst gnus-article-sort-by-date (h1 h2)
3727 "Sort articles by root article date."
3729 (gnus-date-get-time (mail-header-date h1))
3730 (gnus-date-get-time (mail-header-date h2))))
3732 (defun gnus-thread-sort-by-date (h1 h2)
3733 "Sort threads by root article date."
3734 (gnus-article-sort-by-date
3735 (gnus-thread-header h1) (gnus-thread-header h2)))
3737 (defsubst gnus-article-sort-by-score (h1 h2)
3738 "Sort articles by root article score.
3739 Unscored articles will be counted as having a score of zero."
3740 (> (or (cdr (assq (mail-header-number h1)
3741 gnus-newsgroup-scored))
3742 gnus-summary-default-score 0)
3743 (or (cdr (assq (mail-header-number h2)
3744 gnus-newsgroup-scored))
3745 gnus-summary-default-score 0)))
3747 (defun gnus-thread-sort-by-score (h1 h2)
3748 "Sort threads by root article score."
3749 (gnus-article-sort-by-score
3750 (gnus-thread-header h1) (gnus-thread-header h2)))
3752 (defun gnus-thread-sort-by-total-score (h1 h2)
3753 "Sort threads by the sum of all scores in the thread.
3754 Unscored articles will be counted as having a score of zero."
3755 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3757 (defun gnus-thread-total-score (thread)
3758 ;; This function find the total score of THREAD.
3759 (cond ((null thread)
3762 (if (stringp (car thread))
3763 (apply gnus-thread-score-function 0
3764 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3765 (gnus-thread-total-score-1 thread)))
3767 (gnus-thread-total-score-1 (list thread)))))
3769 (defun gnus-thread-total-score-1 (root)
3770 ;; This function find the total score of the thread below ROOT.
3771 (setq root (car root))
3772 (apply gnus-thread-score-function
3774 (mapcar 'gnus-thread-total-score
3775 (cdr (gnus-id-to-thread (mail-header-id root))))
3776 (when (> (mail-header-number root) 0)
3777 (list (or (cdr (assq (mail-header-number root)
3778 gnus-newsgroup-scored))
3779 gnus-summary-default-score 0))))
3780 (list gnus-summary-default-score)
3783 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3784 (defvar gnus-tmp-prev-subject nil)
3785 (defvar gnus-tmp-false-parent nil)
3786 (defvar gnus-tmp-root-expunged nil)
3787 (defvar gnus-tmp-dummy-line nil)
3789 (defvar gnus-tmp-header)
3790 (defun gnus-extra-header (type &optional header)
3791 "Return the extra header of TYPE."
3792 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
3795 (defun gnus-summary-prepare-threads (threads)
3796 "Prepare summary buffer from THREADS and indentation LEVEL.
3797 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3798 or a straight list of headers."
3799 (gnus-message 7 "Generating summary...")
3801 (setq gnus-newsgroup-threads threads)
3804 (let ((gnus-tmp-level 0)
3805 (default-score (or gnus-summary-default-score 0))
3806 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3807 thread number subject stack state gnus-tmp-gathered beg-match
3808 new-roots gnus-tmp-new-adopts thread-end
3809 gnus-tmp-header gnus-tmp-unread
3810 gnus-tmp-replied gnus-tmp-subject-or-nil
3811 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3812 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3813 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3815 (setq gnus-tmp-prev-subject nil)
3817 (if (vectorp (car threads))
3818 ;; If this is a straight (sic) list of headers, then a
3819 ;; threaded summary display isn't required, so we just create
3820 ;; an unthreaded one.
3821 (gnus-summary-prepare-unthreaded threads)
3823 ;; Do the threaded display.
3825 (while (or threads stack gnus-tmp-new-adopts new-roots)
3827 (if (and (= gnus-tmp-level 0)
3830 (not gnus-tmp-false-parent)
3831 (or gnus-tmp-new-adopts new-roots))
3832 (if gnus-tmp-new-adopts
3833 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3834 thread (list (car gnus-tmp-new-adopts))
3835 gnus-tmp-header (caar thread)
3836 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3838 (setq thread (list (car new-roots))
3839 gnus-tmp-header (caar thread)
3840 new-roots (cdr new-roots))))
3843 ;; If there are some threads, we do them before the
3844 ;; threads on the stack.
3845 (setq thread threads
3846 gnus-tmp-header (caar thread))
3847 ;; There were no current threads, so we pop something off
3849 (setq state (car stack)
3850 gnus-tmp-level (car state)
3853 gnus-tmp-header (caar thread))))
3855 (setq gnus-tmp-false-parent nil)
3856 (setq gnus-tmp-root-expunged nil)
3857 (setq thread-end nil)
3859 (if (stringp gnus-tmp-header)
3860 ;; The header is a dummy root.
3862 ((eq gnus-summary-make-false-root 'adopt)
3863 ;; We let the first article adopt the rest.
3864 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3866 (setq gnus-tmp-gathered
3868 (lambda (h) (mail-header-number (car h)))
3871 (setq thread (cons (list (caar thread)
3874 (setq gnus-tmp-level -1
3875 gnus-tmp-false-parent t))
3876 ((eq gnus-summary-make-false-root 'empty)
3877 ;; We print adopted articles with empty subject fields.
3878 (setq gnus-tmp-gathered
3880 (lambda (h) (mail-header-number (car h)))
3883 (setq gnus-tmp-level -1))
3884 ((eq gnus-summary-make-false-root 'dummy)
3885 ;; We remember that we probably want to output a dummy
3887 (setq gnus-tmp-dummy-line gnus-tmp-header)
3888 (setq gnus-tmp-prev-subject gnus-tmp-header))
3890 ;; We do not make a root for the gathered
3891 ;; sub-threads at all.
3892 (setq gnus-tmp-level -1)))
3894 (setq number (mail-header-number gnus-tmp-header)
3895 subject (mail-header-subject gnus-tmp-header))
3898 ;; If the thread has changed subject, we might want to make
3899 ;; this subthread into a root.
3900 ((and (null gnus-thread-ignore-subject)
3901 (not (zerop gnus-tmp-level))
3902 gnus-tmp-prev-subject
3904 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3905 (setq new-roots (nconc new-roots (list (car thread)))
3907 gnus-tmp-header nil))
3908 ;; If the article lies outside the current limit,
3909 ;; then we do not display it.
3910 ((not (memq number gnus-newsgroup-limit))
3911 (setq gnus-tmp-gathered
3913 (lambda (h) (mail-header-number (car h)))
3916 (setq gnus-tmp-new-adopts (if (cdar thread)
3917 (append gnus-tmp-new-adopts
3919 gnus-tmp-new-adopts)
3921 gnus-tmp-header nil)
3922 (when (zerop gnus-tmp-level)
3923 (setq gnus-tmp-root-expunged t)))
3924 ;; Perhaps this article is to be marked as read?
3925 ((and gnus-summary-mark-below
3926 (< (or (cdr (assq number gnus-newsgroup-scored))
3928 gnus-summary-mark-below)
3929 ;; Don't touch sparse articles.
3930 (not (gnus-summary-article-sparse-p number))
3931 (not (gnus-summary-article-ancient-p number)))
3932 (setq gnus-newsgroup-unreads
3933 (delq number gnus-newsgroup-unreads))
3934 (if gnus-newsgroup-auto-expire
3935 (push number gnus-newsgroup-expirable)
3936 (push (cons number gnus-low-score-mark)
3937 gnus-newsgroup-reads))))
3939 (when gnus-tmp-header
3940 ;; We may have an old dummy line to output before this
3942 (when (and gnus-tmp-dummy-line
3945 (mail-header-subject gnus-tmp-header)))
3946 (gnus-summary-insert-dummy-line
3947 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3948 (setq gnus-tmp-dummy-line nil))
3950 ;; Compute the mark.
3951 (setq gnus-tmp-unread (gnus-article-mark number))
3953 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3954 gnus-tmp-header gnus-tmp-level)
3955 gnus-newsgroup-data)
3957 ;; Actually insert the line.
3959 gnus-tmp-subject-or-nil
3961 ((and gnus-thread-ignore-subject
3962 gnus-tmp-prev-subject
3963 (not (inline (gnus-subject-equal
3964 gnus-tmp-prev-subject subject))))
3966 ((zerop gnus-tmp-level)
3967 (if (and (eq gnus-summary-make-false-root 'empty)
3968 (memq number gnus-tmp-gathered)
3969 gnus-tmp-prev-subject
3970 (inline (gnus-subject-equal
3971 gnus-tmp-prev-subject subject)))
3972 gnus-summary-same-subject
3974 (t gnus-summary-same-subject)))
3975 (if (and (eq gnus-summary-make-false-root 'adopt)
3976 (= gnus-tmp-level 1)
3977 (memq number gnus-tmp-gathered))
3978 (setq gnus-tmp-opening-bracket ?\<
3979 gnus-tmp-closing-bracket ?\>)
3980 (setq gnus-tmp-opening-bracket ?\[
3981 gnus-tmp-closing-bracket ?\]))
3983 gnus-tmp-indentation
3984 (aref gnus-thread-indent-array gnus-tmp-level)
3985 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3986 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3987 gnus-summary-default-score 0)
3989 (if (or (null gnus-summary-default-score)
3990 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3991 gnus-summary-zcore-fuzz))
3993 (if (< gnus-tmp-score gnus-summary-default-score)
3994 gnus-score-below-mark gnus-score-over-mark))
3996 (cond ((memq number gnus-newsgroup-processable)
3998 ((memq number gnus-newsgroup-cached)
4000 ((memq number gnus-newsgroup-replied)
4002 ((memq number gnus-newsgroup-saved)
4004 (t gnus-unread-mark))
4005 gnus-tmp-from (mail-header-from gnus-tmp-header)
4008 ((string-match "<[^>]+> *$" gnus-tmp-from)
4009 (setq beg-match (match-beginning 0))
4010 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
4011 (substring gnus-tmp-from (1+ (match-beginning 0))
4012 (1- (match-end 0))))
4013 (substring gnus-tmp-from 0 beg-match)))
4014 ((string-match "(.+)" gnus-tmp-from)
4015 (substring gnus-tmp-from
4016 (1+ (match-beginning 0)) (1- (match-end 0))))
4018 (when (string= gnus-tmp-name "")
4019 (setq gnus-tmp-name gnus-tmp-from))
4020 (unless (numberp gnus-tmp-lines)
4021 (setq gnus-tmp-lines 0))
4022 (gnus-put-text-property
4024 (progn (eval gnus-summary-line-format-spec) (point))
4025 'gnus-number number)
4028 (gnus-run-hooks 'gnus-summary-update-hook)
4031 (setq gnus-tmp-prev-subject subject)))
4033 (when (nth 1 thread)
4034 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
4035 (incf gnus-tmp-level)
4036 (setq threads (if thread-end nil (cdar thread)))
4038 (setq gnus-tmp-level 0)))))
4039 (gnus-message 7 "Generating summary...done"))
4041 (defun gnus-summary-prepare-unthreaded (headers)
4042 "Generate an unthreaded summary buffer based on HEADERS."
4043 (let (header number mark)
4048 ;; We may have to root out some bad articles...
4049 (when (memq (setq number (mail-header-number
4050 (setq header (pop headers))))
4051 gnus-newsgroup-limit)
4052 ;; Mark article as read when it has a low score.
4053 (when (and gnus-summary-mark-below
4054 (< (or (cdr (assq number gnus-newsgroup-scored))
4055 gnus-summary-default-score 0)
4056 gnus-summary-mark-below)
4057 (not (gnus-summary-article-ancient-p number)))
4058 (setq gnus-newsgroup-unreads
4059 (delq number gnus-newsgroup-unreads))
4060 (if gnus-newsgroup-auto-expire
4061 (push number gnus-newsgroup-expirable)
4062 (push (cons number gnus-low-score-mark)
4063 gnus-newsgroup-reads)))
4065 (setq mark (gnus-article-mark number))
4066 (push (gnus-data-make number mark (1+ (point)) header 0)
4067 gnus-newsgroup-data)
4068 (gnus-summary-insert-line
4070 mark (memq number gnus-newsgroup-replied)
4071 (memq number gnus-newsgroup-expirable)
4072 (mail-header-subject header) nil
4073 (cdr (assq number gnus-newsgroup-scored))
4074 (memq number gnus-newsgroup-processable))))))
4076 (defun gnus-summary-remove-list-identifiers ()
4077 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4078 (let ((regexp (if (stringp gnus-list-identifiers)
4079 gnus-list-identifiers
4080 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
4081 (dolist (header gnus-newsgroup-headers)
4082 (when (string-match (concat "\\(Re: +\\)?\\(" regexp " *\\)")
4083 (mail-header-subject header))
4084 (mail-header-set-subject
4085 header (concat (substring (mail-header-subject header)
4086 0 (match-beginning 2))
4087 (substring (mail-header-subject header)
4088 (match-end 2))))))))
4090 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4091 "Select newsgroup GROUP.
4092 If READ-ALL is non-nil, all articles in the group are selected.
4093 If SELECT-ARTICLES, only select those articles from GROUP."
4094 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4095 ;;!!! Dirty hack; should be removed.
4096 (gnus-summary-ignore-duplicates
4097 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4099 gnus-summary-ignore-duplicates))
4100 (info (nth 2 entry))
4101 articles fetched-articles cached)
4103 (unless (gnus-check-server
4104 (setq gnus-current-select-method
4105 (gnus-find-method-for-group group)))
4106 (error "Couldn't open server"))
4108 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4109 (gnus-activate-group group) ; Or we can activate it...
4110 (progn ; Or we bug out.
4111 (when (equal major-mode 'gnus-summary-mode)
4112 (kill-buffer (current-buffer)))
4113 (error "Couldn't request group %s: %s"
4114 group (gnus-status-message group))))
4116 (unless (gnus-request-group group t)
4117 (when (equal major-mode 'gnus-summary-mode)
4118 (kill-buffer (current-buffer)))
4119 (error "Couldn't request group %s: %s"
4120 group (gnus-status-message group)))
4122 (setq gnus-newsgroup-name group)
4123 (setq gnus-newsgroup-unselected nil)
4124 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4125 (gnus-summary-setup-default-charset)
4127 ;; Adjust and set lists of article marks.
4129 (gnus-adjust-marked-articles info))
4131 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4133 (if (gnus-virtual-group-p group)
4134 gnus-newsgroup-cached
4135 (gnus-cache-articles-in-group group)))
4137 (setq gnus-newsgroup-unreads
4138 (gnus-set-difference
4139 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
4140 gnus-newsgroup-dormant))
4142 (setq gnus-newsgroup-processable nil)
4144 (gnus-update-read-articles group gnus-newsgroup-unreads)
4146 (if (setq articles select-articles)
4147 (setq gnus-newsgroup-unselected
4148 (gnus-sorted-intersection
4149 gnus-newsgroup-unreads
4150 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4151 (setq articles (gnus-articles-to-read group read-all)))
4155 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4157 ((eq articles 0) nil)
4159 ;; Init the dependencies hash table.
4160 (setq gnus-newsgroup-dependencies
4161 (gnus-make-hashtable (length articles)))
4162 (gnus-set-global-variables)
4163 ;; Retrieve the headers and read them in.
4164 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
4165 (setq gnus-newsgroup-headers
4166 (gnus-retrieve-parsed-headers
4167 articles gnus-newsgroup-name
4168 ;; We might want to fetch old headers, but
4169 ;; not if there is only 1 article.
4170 (and (or (and (not (eq gnus-fetch-old-headers 'some))
4171 (not (numberp gnus-fetch-old-headers)))
4172 (> (length articles) 1))
4173 gnus-fetch-old-headers)))
4174 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
4176 ;; Suppress duplicates?
4177 (when gnus-suppress-duplicates
4178 (gnus-dup-suppress-articles))
4180 ;; Set the initial limit.
4181 (setq gnus-newsgroup-limit (copy-sequence articles))
4182 ;; Remove canceled articles from the list of unread articles.
4183 (setq gnus-newsgroup-unreads
4184 (gnus-set-sorted-intersection
4185 gnus-newsgroup-unreads
4186 (setq fetched-articles
4187 (mapcar (lambda (headers) (mail-header-number headers))
4188 gnus-newsgroup-headers))))
4189 ;; Removed marked articles that do not exist.
4190 (gnus-update-missing-marks
4191 (gnus-sorted-complement fetched-articles articles))
4193 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4195 (setq gnus-newsgroup-cached cached))
4197 ;; We might want to build some more threads first.
4198 (when (and gnus-fetch-old-headers
4199 (eq gnus-headers-retrieved-by 'nov))
4200 (if (eq gnus-fetch-old-headers 'invisible)
4201 (gnus-build-all-threads)
4202 (gnus-build-old-threads)))
4203 ;; Let the Gnus agent mark articles as read.
4205 (gnus-agent-get-undownloaded-list))
4206 ;; Remove list identifiers from subject
4207 (when gnus-list-identifiers
4208 (gnus-summary-remove-list-identifiers))
4209 ;; Check whether auto-expire is to be done in this group.
4210 (setq gnus-newsgroup-auto-expire
4211 (gnus-group-auto-expirable-p group))
4212 ;; Set up the article buffer now, if necessary.
4213 (unless gnus-single-article-buffer
4214 (gnus-article-setup-buffer))
4215 ;; First and last article in this newsgroup.
4216 (when gnus-newsgroup-headers
4217 (setq gnus-newsgroup-begin
4218 (mail-header-number (car gnus-newsgroup-headers))
4221 (gnus-last-element gnus-newsgroup-headers))))
4222 ;; GROUP is successfully selected.
4223 (or gnus-newsgroup-headers t)))))
4225 (defun gnus-articles-to-read (group &optional read-all)
4226 ;; Find out what articles the user wants to read.
4228 ;; Select all articles if `read-all' is non-nil, or if there
4229 ;; are no unread articles.
4231 (and (zerop (length gnus-newsgroup-marked))
4232 (zerop (length gnus-newsgroup-unreads)))
4233 (eq (gnus-group-find-parameter group 'display)
4236 (gnus-uncompress-range (gnus-active group))
4237 (gnus-cache-articles-in-group group))
4238 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4239 (copy-sequence gnus-newsgroup-unreads))
4241 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4242 (scored (length scored-list))
4243 (number (length articles))
4244 (marked (+ (length gnus-newsgroup-marked)
4245 (length gnus-newsgroup-dormant)))
4253 ((and (or (<= scored marked) (= scored number))
4254 (natnump gnus-large-newsgroup)
4255 (> number gnus-large-newsgroup))
4256 (let* ((cursor-in-echo-area nil)
4257 (input (read-from-minibuffer
4259 "How many articles from %s (max %d): "
4260 (gnus-limit-string gnus-newsgroup-name 35)
4262 (cons (number-to-string gnus-large-newsgroup)
4264 (if (string-match "^[ \t]*$" input)
4267 ((and (> scored marked) (< scored number)
4268 (> (- scored number) 20))
4271 (format "%s %s (%d scored, %d total): "
4272 "How many articles from"
4273 group scored number))))
4274 (if (string-match "^[ \t]*$" input)
4278 (setq select (if (stringp select) (string-to-number select) select))
4279 (if (or (null select) (zerop select))
4281 (if (and (not (zerop scored)) (<= (abs select) scored))
4283 (setq articles (sort scored-list '<))
4284 (setq number (length articles)))
4285 (setq articles (copy-sequence articles)))
4287 (when (< (abs select) number)
4289 ;; Select the N oldest articles.
4290 (setcdr (nthcdr (1- (abs select)) articles) nil)
4291 ;; Select the N most recent articles.
4292 (setq articles (nthcdr (- number select) articles))))
4293 (setq gnus-newsgroup-unselected
4294 (gnus-sorted-intersection
4295 gnus-newsgroup-unreads
4296 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4299 (defun gnus-killed-articles (killed articles)
4302 (when (inline (gnus-member-of-range (car articles) killed))
4303 (push (car articles) out))
4304 (setq articles (cdr articles)))
4307 (defun gnus-uncompress-marks (marks)
4308 "Uncompress the mark ranges in MARKS."
4309 (let ((uncompressed '(score bookmark))
4312 (if (memq (caar marks) uncompressed)
4313 (push (car marks) out)
4314 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4315 (setq marks (cdr marks)))
4318 (defun gnus-adjust-marked-articles (info)
4319 "Set all article lists and remove all marks that are no longer valid."
4320 (let* ((marked-lists (gnus-info-marks info))
4321 (active (gnus-active (gnus-info-group info)))
4324 (types gnus-article-mark-lists)
4325 (uncompressed '(score bookmark killed))
4326 marks var articles article mark)
4329 (setq marks (pop marked-lists))
4330 (set (setq var (intern (format "gnus-newsgroup-%s"
4331 (car (rassq (setq mark (car marks))
4333 (if (memq (car marks) uncompressed) (cdr marks)
4334 (gnus-uncompress-range (cdr marks))))
4336 (setq articles (symbol-value var))
4338 ;; All articles have to be subsets of the active articles.
4340 ;; Adjust "simple" lists.
4341 ((memq mark '(tick dormant expire reply save))
4343 (when (or (< (setq article (pop articles)) min) (> article max))
4344 (set var (delq article (symbol-value var))))))
4346 ((memq mark uncompressed)
4347 (when (not (listp (cdr (symbol-value var))))
4348 (set var (list (symbol-value var))))
4349 (when (not (listp (cdr articles)))
4350 (setq articles (list articles)))
4352 (when (or (not (consp (setq article (pop articles))))
4353 (< (car article) min)
4354 (> (car article) max))
4355 (set var (delq article (symbol-value var))))))))))
4357 (defun gnus-update-missing-marks (missing)
4358 "Go through the list of MISSING articles and remove them from the mark lists."
4360 (let ((types gnus-article-mark-lists)
4362 ;; Go through all types.
4364 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4365 (when (symbol-value var)
4366 ;; This list has articles. So we delete all missing articles
4370 (set var (delq (pop m) (symbol-value var)))))))))
4372 (defun gnus-update-marks ()
4373 "Enter the various lists of marked articles into the newsgroup info list."
4374 (let ((types gnus-article-mark-lists)
4375 (info (gnus-get-info gnus-newsgroup-name))
4376 (uncompressed '(score bookmark killed))
4377 type list newmarked symbol delta-marks)
4379 ;; Add all marks lists to the list of marks lists.
4380 (while (setq type (pop types))
4381 (setq list (symbol-value
4383 (intern (format "gnus-newsgroup-%s"
4387 ;; Get rid of the entries of the articles that have the
4389 (when (and (eq (cdr type) 'score)
4393 (prev (cons nil list))
4396 (if (or (not (consp (car arts)))
4397 (= (cdar arts) gnus-summary-default-score))
4398 (setcdr prev (cdr arts))
4400 (setq arts (cdr arts)))
4401 (setq list (cdr all)))))
4403 (unless (memq (cdr type) uncompressed)
4404 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
4406 (when (gnus-check-backend-function
4407 'request-set-mark gnus-newsgroup-name)
4408 ;; uncompressed:s are not proper flags (they are cons cells)
4409 ;; cache is a internal gnus flag
4410 (unless (memq (cdr type) (cons 'cache uncompressed))
4411 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
4412 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
4413 (add (gnus-remove-from-range
4414 (gnus-copy-sequence list) old)))
4416 (push (list add 'add (list (cdr type))) delta-marks))
4418 (push (list del 'del (list (cdr type))) delta-marks)))))
4421 (push (cons (cdr type) list) newmarked)))
4424 (unless (gnus-check-group gnus-newsgroup-name)
4425 (error "Can't open server for %s" gnus-newsgroup-name))
4426 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
4428 ;; Enter these new marks into the info of the group.
4430 (setcar (nthcdr 3 info) newmarked)
4431 ;; Add the marks lists to the end of the info.
4433 (setcdr (nthcdr 2 info) (list newmarked))))
4435 ;; Cut off the end of the info if there's nothing else there.
4439 (when (nthcdr (decf i) info)
4440 (setcdr (nthcdr i info) nil)))))))
4442 (defun gnus-set-mode-line (where)
4443 "This function sets the mode line of the article or summary buffers.
4444 If WHERE is `summary', the summary mode line format will be used."
4445 ;; Is this mode line one we keep updated?
4446 (when (and (memq where gnus-updated-mode-lines)
4448 (intern (format "gnus-%s-mode-line-format-spec" where))))
4451 ;; We evaluate this in the summary buffer since these
4452 ;; variables are buffer-local to that buffer.
4453 (set-buffer gnus-summary-buffer)
4454 ;; We bind all these variables that are used in the `eval' form
4456 (let* ((mformat (symbol-value
4458 (format "gnus-%s-mode-line-format-spec" where))))
4459 (gnus-tmp-group-name gnus-newsgroup-name)
4460 (gnus-tmp-article-number (or gnus-current-article 0))
4461 (gnus-tmp-unread gnus-newsgroup-unreads)
4462 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4463 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4464 (gnus-tmp-unread-and-unselected
4465 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4466 (zerop gnus-tmp-unselected))
4468 ((zerop gnus-tmp-unselected)
4469 (format "{%d more}" gnus-tmp-unread-and-unticked))
4470 (t (format "{%d(+%d) more}"
4471 gnus-tmp-unread-and-unticked
4472 gnus-tmp-unselected))))
4474 (if (and gnus-current-headers
4475 (vectorp gnus-current-headers))
4476 (gnus-mode-string-quote
4477 (mail-header-subject gnus-current-headers))
4479 bufname-length max-len
4480 gnus-tmp-header);; passed as argument to any user-format-funcs
4481 (setq mode-string (eval mformat))
4482 (setq bufname-length (if (string-match "%b" mode-string)
4485 (if (eq where 'summary)
4487 (get-buffer gnus-article-buffer))))
4490 (setq max-len (max 4 (if gnus-mode-non-string-length
4492 gnus-mode-non-string-length
4494 (length mode-string))))
4495 ;; We might have to chop a bit of the string off...
4496 (when (> (length mode-string) max-len)
4498 (concat (gnus-truncate-string mode-string (- max-len 3))
4500 ;; Pad the mode string a bit.
4501 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4502 ;; Update the mode line.
4503 (setq mode-line-buffer-identification
4504 (gnus-mode-line-buffer-identification (list mode-string)))
4505 (set-buffer-modified-p t))))
4507 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4508 "Go through the HEADERS list and add all Xrefs to a hash table.
4509 The resulting hash table is returned, or nil if no Xrefs were found."
4510 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4511 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4512 (xref-hashtb (gnus-make-hashtable))
4513 start group entry number xrefs header)
4515 (setq header (pop headers))
4516 (when (and (setq xrefs (mail-header-xref header))
4517 (not (memq (setq number (mail-header-number header))
4520 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4521 (setq start (match-end 0))
4522 (setq group (if prefix
4523 (concat prefix (substring xrefs (match-beginning 1)
4525 (substring xrefs (match-beginning 1) (match-end 1))))
4527 (string-to-int (substring xrefs (match-beginning 2)
4529 (if (setq entry (gnus-gethash group xref-hashtb))
4530 (setcdr entry (cons number (cdr entry)))
4531 (gnus-sethash group (cons number nil) xref-hashtb)))))
4532 (and start xref-hashtb)))
4534 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4535 "Look through all the headers and mark the Xrefs as read."
4536 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4537 name entry info xref-hashtb idlist method nth4)
4539 (set-buffer gnus-group-buffer)
4540 (when (setq xref-hashtb
4541 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4544 (unless (string= from-newsgroup (setq name (symbol-name group)))
4545 (setq idlist (symbol-value group))
4546 ;; Dead groups are not updated.
4548 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4550 (when (stringp (setq nth4 (gnus-info-method info)))
4551 (setq nth4 (gnus-server-to-method nth4))))
4552 ;; Only do the xrefs if the group has the same
4553 ;; select method as the group we have just read.
4554 (or (gnus-methods-equal-p
4555 nth4 (gnus-find-method-for-group from-newsgroup))
4557 (equal nth4 (setq method (gnus-find-method-for-group
4559 (and (equal (car nth4) (car method))
4560 (equal (nth 1 nth4) (nth 1 method))))
4561 gnus-use-cross-reference
4562 (or (not (eq gnus-use-cross-reference t))
4564 ;; Only do cross-references on subscribed
4565 ;; groups, if that is what is wanted.
4566 (<= (gnus-info-level info) gnus-level-subscribed))
4567 (gnus-group-make-articles-read name idlist))))
4570 (defun gnus-compute-read-articles (group articles)
4571 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4572 (info (nth 2 entry))
4573 (active (gnus-active group))
4576 ;; First peel off all invalid article numbers.
4578 (let ((ids articles)
4580 (while (setq id (pop ids))
4581 (when (and first (> id (cdr active)))
4582 ;; We'll end up in this situation in one particular
4583 ;; obscure situation. If you re-scan a group and get
4584 ;; a new article that is cross-posted to a different
4585 ;; group that has not been re-scanned, you might get
4586 ;; crossposted article that has a higher number than
4587 ;; Gnus believes possible. So we re-activate this
4588 ;; group as well. This might mean doing the
4589 ;; crossposting thingy will *increase* the number
4590 ;; of articles in some groups. Tsk, tsk.
4591 (setq active (or (gnus-activate-group group) active)))
4592 (when (or (> id (cdr active))
4593 (< id (car active)))
4594 (setq articles (delq id articles))))))
4595 ;; If the read list is nil, we init it.
4597 (null (gnus-info-read info))
4599 (setq ninfo (cons 1 (1- (car active))))
4600 (setq ninfo (gnus-info-read info)))
4601 ;; Then we add the read articles to the range.
4603 ninfo (setq articles (sort articles '<))))))
4605 (defun gnus-group-make-articles-read (group articles)
4606 "Update the info of GROUP to say that ARTICLES are read."
4608 (entry (gnus-gethash group gnus-newsrc-hashtb))
4609 (info (nth 2 entry))
4610 (active (gnus-active group))
4613 (setq range (gnus-compute-read-articles group articles))
4615 (set-buffer gnus-group-buffer)
4618 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4619 (gnus-info-set-read ',info ',(gnus-info-read info))
4620 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4621 (gnus-group-update-group ,group t))))
4622 ;; Add the read articles to the range.
4623 (gnus-info-set-read info range)
4624 ;; Then we have to re-compute how many unread
4625 ;; articles there are in this group.
4629 (setq num (- (1+ (cdr active)) (car active))))
4630 ((not (listp (cdr range)))
4631 (setq num (- (cdr active) (- (1+ (cdr range))
4635 (if (numberp (car range))
4637 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4638 (setq range (cdr range)))
4639 (setq num (- (cdr active) num))))
4640 ;; Update the number of unread articles.
4642 ;; Update the group buffer.
4643 (gnus-group-update-group group t)))))
4645 (defvar gnus-newsgroup-none-id 0)
4647 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4648 (let ((cur nntp-server-buffer)
4651 (save-excursion (set-buffer gnus-summary-buffer)
4652 gnus-newsgroup-dependencies)))
4654 (mail-parse-charset gnus-newsgroup-charset)
4655 (mail-parse-ignored-charsets
4656 (save-excursion (condition-case nil
4657 (set-buffer gnus-summary-buffer)
4659 gnus-newsgroup-ignored-charsets)))
4661 (set-buffer nntp-server-buffer)
4662 ;; Translate all TAB characters into SPACE characters.
4663 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4664 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4665 (gnus-run-hooks 'gnus-parse-headers-hook)
4666 (let ((case-fold-search t)
4667 in-reply-to header p lines chars ctype)
4668 (goto-char (point-min))
4669 ;; Search to the beginning of the next header. Error messages
4670 ;; do not begin with 2 or 3.
4671 (while (re-search-forward "^[23][0-9]+ " nil t)
4674 ;; This implementation of this function, with nine
4675 ;; search-forwards instead of the one re-search-forward and
4676 ;; a case (which basically was the old function) is actually
4677 ;; about twice as fast, even though it looks messier. You
4678 ;; can't have everything, I guess. Speed and elegance
4679 ;; doesn't always go hand in hand.
4682 (make-full-mail-header
4688 (narrow-to-region (point)
4689 (or (and (search-forward "\n.\n" nil t)
4695 (if (search-forward "\nsubject: " nil t)
4696 (buffer-substring (match-end 0) (std11-field-end))
4701 (if (search-forward "\nfrom: " nil t)
4702 (buffer-substring (match-end 0) (std11-field-end))
4707 (if (search-forward "\ndate: " nil t)
4708 (buffer-substring (match-end 0) (std11-field-end))
4713 (setq id (if (re-search-forward
4714 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4715 ;; We do it this way to make sure the Message-ID
4716 ;; is (somewhat) syntactically valid.
4717 (buffer-substring (match-beginning 1)
4719 ;; If there was no message-id, we just fake one
4720 ;; to make subsequent routines simpler.
4721 (nnheader-generate-fake-message-id))))
4725 (if (search-forward "\nreferences: " nil t)
4729 (buffer-substring (match-end 0) (std11-field-end))
4734 (search-backward ">" end t)
4737 (search-backward "<" end t)
4739 ;; Get the references from the in-reply-to header if there
4740 ;; were no references and the in-reply-to header looks
4742 (if (and (search-forward "\nin-reply-to: " nil t)
4744 (buffer-substring (match-end 0)
4746 (string-match "<[^>]+>" in-reply-to))
4748 (setq ref (substring in-reply-to (match-beginning 0)
4750 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4751 (setq ref2 (substring in-reply-to (match-beginning 0)
4753 (when (> (length ref2) (length ref))
4760 (if (search-forward "\nchars: " nil t)
4761 (if (numberp (setq chars (ignore-errors (read cur))))
4767 (if (search-forward "\nlines: " nil t)
4768 (if (numberp (setq lines (ignore-errors (read cur))))
4774 (and (search-forward "\nxref: " nil t)
4775 (buffer-substring (match-end 0) (std11-field-end))))
4777 (when gnus-extra-headers
4778 (let ((extra gnus-extra-headers)
4782 (when (search-forward
4783 (concat "\n" (symbol-name (car extra)) ": ") nil t)
4784 (push (cons (car extra)
4785 (buffer-substring (match-end 0)
4791 (if (and (search-forward "\ncontent-type: " nil t)
4793 (buffer-substring (match-end 0) (std11-field-end))))
4794 (mime-entity-set-content-type-internal
4795 header (mime-parse-Content-Type ctype)))
4796 (when (equal id ref)
4799 (when gnus-alter-header-function
4800 (funcall gnus-alter-header-function header)
4801 (setq id (mail-header-id header)
4802 ref (gnus-parent-id (mail-header-references header))))
4805 (gnus-dependencies-add-header
4806 header dependencies force-new))
4807 (push header headers))
4808 (goto-char (point-max))
4810 (nreverse headers)))))
4812 ;; Goes through the xover lines and returns a list of vectors
4813 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4814 force-new dependencies
4815 group also-fetch-heads)
4816 "Parse the news overview data in the server buffer, and return a
4817 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4818 ;; Get the Xref when the users reads the articles since most/some
4819 ;; NNTP servers do not include Xrefs when using XOVER.
4820 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4821 (let ((mail-parse-charset gnus-newsgroup-charset)
4822 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
4823 (cur nntp-server-buffer)
4824 (dependencies (or dependencies gnus-newsgroup-dependencies))
4825 number headers header)
4827 (set-buffer nntp-server-buffer)
4828 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4829 ;; Allow the user to mangle the headers before parsing them.
4830 (gnus-run-hooks 'gnus-parse-headers-hook)
4831 (goto-char (point-min))
4834 (while (and sequence (not (eobp)))
4835 (setq number (read cur))
4836 (while (and sequence
4837 (< (car sequence) number))
4838 (setq sequence (cdr sequence)))
4840 (eq number (car sequence))
4842 (setq sequence (cdr sequence))
4843 (setq header (inline
4844 (gnus-nov-parse-line
4845 number dependencies force-new))))
4846 (push header headers))
4849 (gnus-error 4 "Strange nov line (%d)"
4850 (count-lines (point-min) (point)))))
4852 ;; A common bug in inn is that if you have posted an article and
4853 ;; then retrieves the active file, it will answer correctly --
4854 ;; the new article is included. However, a NOV entry for the
4855 ;; article may not have been generated yet, so this may fail.
4856 ;; We work around this problem by retrieving the last few
4857 ;; headers using HEAD.
4858 (if (or (not also-fetch-heads)
4860 ;; We (probably) got all the headers.
4862 (let ((gnus-nov-is-evil t))
4865 (gnus-retrieve-parsed-headers sequence group)
4868 (defun gnus-article-get-xrefs ()
4869 "Fill in the Xref value in `gnus-current-headers', if necessary.
4870 This is meant to be called in `gnus-article-internal-prepare-hook'."
4871 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4872 gnus-current-headers)))
4873 (or (not gnus-use-cross-reference)
4875 (and (mail-header-xref headers)
4876 (not (string= (mail-header-xref headers) "")))
4877 (let ((case-fold-search t)
4880 (nnheader-narrow-to-headers)
4881 (goto-char (point-min))
4882 (when (or (and (not (eobp))
4883 (eq (downcase (char-after)) ?x)
4884 (looking-at "Xref:"))
4885 (search-forward "\nXref:" nil t))
4886 (goto-char (1+ (match-end 0)))
4887 (setq xref (buffer-substring (point)
4888 (progn (end-of-line) (point))))
4889 (mail-header-set-xref headers xref)))))))
4891 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4892 "Find article ID and insert the summary line for that article.
4893 OLD-HEADER can either be a header or a line number to insert
4894 the subject line on."
4895 (let* ((line (and (numberp old-header) old-header))
4896 (old-header (and (vectorp old-header) old-header))
4897 (header (cond ((and old-header use-old-header)
4900 (gnus-number-to-header id))
4901 (gnus-number-to-header id))
4903 (gnus-read-header id))))
4904 (number (and (numberp id) id))
4907 ;; Rebuild the thread that this article is part of and go to the
4908 ;; article we have fetched.
4909 (when (and (not gnus-show-threads)
4912 (setq d (gnus-data-find (mail-header-number old-header))))
4913 (goto-char (gnus-data-pos d))
4916 (- (gnus-point-at-bol)
4918 (1+ (gnus-point-at-eol))
4919 (gnus-delete-line))))))
4921 (mail-header-set-number header (mail-header-number old-header)))
4922 (setq gnus-newsgroup-sparse
4923 (delq (setq number (mail-header-number header))
4924 gnus-newsgroup-sparse))
4925 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4926 (push number gnus-newsgroup-limit)
4927 (gnus-rebuild-thread (mail-header-id header) line)
4928 (gnus-summary-goto-subject number nil t))
4929 (when (and (numberp number)
4931 ;; We have to update the boundaries even if we can't fetch the
4932 ;; article if ID is a number -- so that the next `P' or `N'
4933 ;; command will fetch the previous (or next) article even
4934 ;; if the one we tried to fetch this time has been canceled.
4935 (when (> number gnus-newsgroup-end)
4936 (setq gnus-newsgroup-end number))
4937 (when (< number gnus-newsgroup-begin)
4938 (setq gnus-newsgroup-begin number))
4939 (setq gnus-newsgroup-unselected
4940 (delq number gnus-newsgroup-unselected)))
4941 ;; Report back a success?
4942 (and header (mail-header-number header))))
4944 ;;; Process/prefix in the summary buffer
4946 (defun gnus-summary-work-articles (n)
4947 "Return a list of articles to be worked upon.
4948 The prefix argument, the list of process marked articles, and the
4949 current article will be taken into consideration."
4951 (set-buffer gnus-summary-buffer)
4954 ;; A numerical prefix has been given.
4955 (setq n (prefix-numeric-value n))
4956 (let ((backward (< n 0))
4957 (n (abs (prefix-numeric-value n)))
4962 (push (setq article (gnus-summary-article-number))
4965 (gnus-summary-find-prev nil article)
4966 (gnus-summary-find-next nil article)))
4968 (nreverse articles)))
4969 ((and (gnus-region-active-p) (mark))
4970 (message "region active")
4971 ;; Work on the region between point and mark.
4972 (let ((max (max (point) (mark)))
4975 (goto-char (min (point) (mark)))
4978 (push (setq article (gnus-summary-article-number)) articles)
4979 (gnus-summary-find-next nil article)
4981 (nreverse articles))))
4982 (gnus-newsgroup-processable
4983 ;; There are process-marked articles present.
4984 ;; Save current state.
4985 (gnus-summary-save-process-mark)
4987 (reverse gnus-newsgroup-processable))
4989 ;; Just return the current article.
4990 (list (gnus-summary-article-number))))))
4992 (defmacro gnus-summary-iterate (arg &rest forms)
4993 "Iterate over the process/prefixed articles and do FORMS.
4994 ARG is the interactive prefix given to the command. FORMS will be
4995 executed with point over the summary line of the articles."
4996 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
4997 `(let ((,articles (gnus-summary-work-articles ,arg)))
4999 (gnus-summary-goto-subject (car ,articles))
5003 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5004 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5006 (defun gnus-summary-save-process-mark ()
5007 "Push the current set of process marked articles on the stack."
5009 (push (copy-sequence gnus-newsgroup-processable)
5010 gnus-newsgroup-process-stack))
5012 (defun gnus-summary-kill-process-mark ()
5013 "Push the current set of process marked articles on the stack and unmark."
5015 (gnus-summary-save-process-mark)
5016 (gnus-summary-unmark-all-processable))
5018 (defun gnus-summary-yank-process-mark ()
5019 "Pop the last process mark state off the stack and restore it."
5021 (unless gnus-newsgroup-process-stack
5022 (error "Empty mark stack"))
5023 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5025 (defun gnus-summary-process-mark-set (set)
5026 "Make SET into the current process marked articles."
5027 (gnus-summary-unmark-all-processable)
5029 (gnus-summary-set-process-mark (pop set))))
5031 ;;; Searching and stuff
5033 (defun gnus-summary-search-group (&optional backward use-level)
5034 "Search for next unread newsgroup.
5035 If optional argument BACKWARD is non-nil, search backward instead."
5037 (set-buffer gnus-group-buffer)
5038 (when (gnus-group-search-forward
5039 backward nil (if use-level (gnus-group-group-level) nil))
5040 (gnus-group-group-name))))
5042 (defun gnus-summary-best-group (&optional exclude-group)
5043 "Find the name of the best unread group.
5044 If EXCLUDE-GROUP, do not go to this group."
5046 (set-buffer gnus-group-buffer)
5048 (gnus-group-best-unread-group exclude-group))))
5050 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5051 (if backward (gnus-summary-find-prev)
5052 (let* ((dummy (gnus-summary-article-intangible-p))
5053 (article (or article (gnus-summary-article-number)))
5054 (arts (gnus-data-find-list article))
5056 (when (and (not dummy)
5057 (or (not gnus-summary-check-current)
5059 (not (gnus-data-unread-p (car arts)))))
5060 (setq arts (cdr arts)))
5065 (when (or (and undownloaded
5066 (eq gnus-undownloaded-mark
5067 (gnus-data-mark (car arts))))
5068 (gnus-data-unread-p (car arts)))
5069 (setq result (car arts)
5071 (setq arts (cdr arts)))
5074 (goto-char (gnus-data-pos result))
5075 (gnus-data-number result)))))
5077 (defun gnus-summary-find-prev (&optional unread article)
5078 (let* ((eobp (eobp))
5079 (article (or article (gnus-summary-article-number)))
5080 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5082 (when (and (not eobp)
5083 (or (not gnus-summary-check-current)
5085 (not (gnus-data-unread-p (car arts)))))
5086 (setq arts (cdr arts)))
5091 (when (gnus-data-unread-p (car arts))
5092 (setq result (car arts)
5094 (setq arts (cdr arts)))
5097 (goto-char (gnus-data-pos result))
5098 (gnus-data-number result))))
5100 (defun gnus-summary-find-subject (subject &optional unread backward article)
5101 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5102 (article (or article (gnus-summary-article-number)))
5103 (articles (gnus-data-list backward))
5104 (arts (gnus-data-find-list article articles))
5106 (when (or (not gnus-summary-check-current)
5108 (not (gnus-data-unread-p (car arts))))
5109 (setq arts (cdr arts)))
5111 (and (or (not unread)
5112 (gnus-data-unread-p (car arts)))
5113 (vectorp (gnus-data-header (car arts)))
5115 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5116 (setq result (car arts)
5118 (setq arts (cdr arts)))
5120 (goto-char (gnus-data-pos result))
5121 (gnus-data-number result))))
5123 (defun gnus-summary-search-forward (&optional unread subject backward)
5124 "Search forward for an article.
5125 If UNREAD, look for unread articles. If SUBJECT, look for
5126 articles with that subject. If BACKWARD, search backward instead."
5127 (cond (subject (gnus-summary-find-subject subject unread backward))
5128 (backward (gnus-summary-find-prev unread))
5129 (t (gnus-summary-find-next unread))))
5131 (defun gnus-recenter (&optional n)
5132 "Center point in window and redisplay frame.
5133 Also do horizontal recentering."
5135 (when (and gnus-auto-center-summary
5136 (not (eq gnus-auto-center-summary 'vertical)))
5137 (gnus-horizontal-recenter))
5140 (defun gnus-summary-recenter ()
5141 "Center point in the summary window.
5142 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5143 displayed, no centering will be performed."
5144 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5145 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5146 (let* ((top (cond ((< (window-height) 4) 0)
5147 ((< (window-height) 7) 1)
5148 (t (if (numberp gnus-auto-center-summary)
5149 gnus-auto-center-summary
5151 (height (1- (window-height)))
5152 (bottom (save-excursion (goto-char (point-max))
5153 (forward-line (- height))
5155 (window (get-buffer-window (current-buffer))))
5156 ;; The user has to want it.
5157 (when gnus-auto-center-summary
5158 (when (get-buffer-window gnus-article-buffer)
5159 ;; Only do recentering when the article buffer is displayed,
5160 ;; Set the window start to either `bottom', which is the biggest
5161 ;; possible valid number, or the second line from the top,
5162 ;; whichever is the least.
5164 window (min bottom (save-excursion
5165 (forward-line (- top)) (point)))
5167 ;; Do horizontal recentering while we're at it.
5168 (when (and (get-buffer-window (current-buffer) t)
5169 (not (eq gnus-auto-center-summary 'vertical)))
5170 (let ((selected (selected-window)))
5171 (select-window (get-buffer-window (current-buffer) t))
5172 (gnus-summary-position-point)
5173 (gnus-horizontal-recenter)
5174 (select-window selected))))))
5176 (defun gnus-summary-jump-to-group (newsgroup)
5177 "Move point to NEWSGROUP in group mode buffer."
5178 ;; Keep update point of group mode buffer if visible.
5179 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
5180 (save-window-excursion
5181 ;; Take care of tree window mode.
5182 (when (get-buffer-window gnus-group-buffer)
5183 (pop-to-buffer gnus-group-buffer))
5184 (gnus-group-jump-to-group newsgroup))
5186 ;; Take care of tree window mode.
5187 (if (get-buffer-window gnus-group-buffer)
5188 (pop-to-buffer gnus-group-buffer)
5189 (set-buffer gnus-group-buffer))
5190 (gnus-group-jump-to-group newsgroup))))
5192 ;; This function returns a list of article numbers based on the
5193 ;; difference between the ranges of read articles in this group and
5194 ;; the range of active articles.
5195 (defun gnus-list-of-unread-articles (group)
5196 (let* ((read (gnus-info-read (gnus-get-info group)))
5197 (active (or (gnus-active group) (gnus-activate-group group)))
5200 ;; If none are read, then all are unread.
5202 (setq first (car active))
5203 ;; If the range of read articles is a single range, then the
5204 ;; first unread article is the article after the last read
5205 ;; article. Sounds logical, doesn't it?
5206 (if (and (not (listp (cdr read)))
5207 (or (< (car read) (car active))
5208 (progn (setq read (list read))
5210 (setq first (max (car active) (1+ (cdr read))))
5211 ;; `read' is a list of ranges.
5212 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
5215 (setq first (car active)))
5218 (while (< first nlast)
5220 (setq first (1+ first))))
5221 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
5222 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
5223 (setq read (cdr read)))))
5224 ;; And add the last unread articles.
5225 (while (<= first last)
5227 (setq first (1+ first)))
5228 ;; Return the list of unread articles.
5229 (delq 0 (nreverse unread))))
5231 (defun gnus-list-of-read-articles (group)
5232 "Return a list of unread, unticked and non-dormant articles."
5233 (let* ((info (gnus-get-info group))
5234 (marked (gnus-info-marks info))
5235 (active (gnus-active group)))
5237 (gnus-set-difference
5238 (gnus-sorted-complement
5239 (gnus-uncompress-range active)
5240 (gnus-list-of-unread-articles group))
5242 (gnus-uncompress-range (cdr (assq 'dormant marked)))
5243 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
5245 ;; Various summary commands
5247 (defun gnus-summary-select-article-buffer ()
5248 "Reconfigure windows to show article buffer."
5250 (if (not (gnus-buffer-live-p gnus-article-buffer))
5251 (error "There is no article buffer for this summary buffer")
5252 (gnus-configure-windows 'article)
5253 (select-window (get-buffer-window gnus-article-buffer))))
5255 (defun gnus-summary-universal-argument (arg)
5256 "Perform any operation on all articles that are process/prefixed."
5258 (let ((articles (gnus-summary-work-articles arg))
5265 (substitute-command-keys
5266 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
5268 (gnus-error 1 "Undefined key")
5271 (gnus-summary-goto-subject (setq article (pop articles)))
5272 (let (gnus-newsgroup-processable)
5273 (command-execute func))
5274 (gnus-summary-remove-process-mark article)))))
5275 (gnus-summary-position-point))
5277 (defun gnus-summary-toggle-truncation (&optional arg)
5278 "Toggle truncation of summary lines.
5279 With arg, turn line truncation on iff arg is positive."
5281 (setq truncate-lines
5282 (if (null arg) (not truncate-lines)
5283 (> (prefix-numeric-value arg) 0)))
5286 (defun gnus-summary-reselect-current-group (&optional all rescan)
5287 "Exit and then reselect the current newsgroup.
5288 The prefix argument ALL means to select all articles."
5290 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5291 (error "Ephemeral groups can't be reselected"))
5292 (let ((current-subject (gnus-summary-article-number))
5293 (group gnus-newsgroup-name)
5296 (setq masquerade (get-buffer-create " *masquerade-summary*"))
5297 (let ((pos (- (point) (window-start)))
5298 (id mode-line-buffer-identification))
5299 (copy-to-buffer masquerade (window-start) (point-max))
5300 (with-current-buffer masquerade
5301 (set-buffer-modified-p nil)
5302 (goto-char (1+ (max 0 pos)))
5303 (setq mode-line-buffer-identification id
5304 mode-name "Masquerade"
5305 truncate-lines t))))
5306 (setq gnus-newsgroup-begin nil)
5310 (switch-to-buffer masquerade)
5311 (set-window-start (selected-window) (point-min))
5312 (static-when (featurep 'xemacs)
5313 (gnus-xmas-switch-horizontal-scrollbar-off)
5315 (set-buffer gnus-group-buffer)
5316 (gnus-group-jump-to-group group)
5319 (gnus-group-get-new-news-this-group 1))
5320 (kill-buffer masquerade)))
5321 ;; We have to adjust the point of group mode buffer because
5322 ;; point was moved to the next unread newsgroup by exiting.
5323 (gnus-summary-jump-to-group group))
5324 (gnus-group-read-group all t)
5325 (gnus-summary-goto-subject current-subject nil t)))
5327 (defun gnus-summary-rescan-group (&optional all)
5328 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5330 (gnus-summary-reselect-current-group all t))
5332 (defun gnus-summary-update-info (&optional non-destructive)
5334 (let ((group gnus-newsgroup-name))
5336 (when gnus-newsgroup-kill-headers
5337 (setq gnus-newsgroup-killed
5338 (gnus-compress-sequence
5340 (gnus-set-sorted-intersection
5341 (gnus-uncompress-range gnus-newsgroup-killed)
5342 (setq gnus-newsgroup-unselected
5343 (sort gnus-newsgroup-unselected '<)))
5344 (setq gnus-newsgroup-unreads
5345 (sort gnus-newsgroup-unreads '<)))
5347 (unless (listp (cdr gnus-newsgroup-killed))
5348 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5349 (let ((headers gnus-newsgroup-headers))
5350 ;; Set the new ranges of read articles.
5352 (set-buffer gnus-group-buffer)
5353 (gnus-undo-force-boundary))
5354 (gnus-update-read-articles
5355 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5356 ;; Set the current article marks.
5357 (let ((gnus-newsgroup-scored
5358 (if (and (not gnus-save-score)
5359 (not non-destructive))
5361 gnus-newsgroup-scored)))
5363 (gnus-update-marks)))
5364 ;; Do the cross-ref thing.
5365 (when gnus-use-cross-reference
5366 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5367 ;; Do not switch windows but change the buffer to work.
5368 (set-buffer gnus-group-buffer)
5369 (unless (gnus-ephemeral-group-p group)
5370 (gnus-group-update-group group)))))))
5372 (defun gnus-summary-save-newsrc (&optional force)
5373 "Save the current number of read/marked articles in the dribble buffer.
5374 The dribble buffer will then be saved.
5375 If FORCE (the prefix), also save the .newsrc file(s)."
5377 (gnus-summary-update-info t)
5379 (gnus-save-newsrc-file)
5380 (gnus-dribble-save)))
5382 (defun gnus-summary-exit (&optional temporary)
5383 "Exit reading current newsgroup, and then return to group selection mode.
5384 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
5386 (gnus-set-global-variables)
5387 (gnus-kill-save-kill-buffer)
5388 (gnus-async-halt-prefetch)
5389 (let* ((group gnus-newsgroup-name)
5390 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5393 (buf (current-buffer)))
5395 ;; Do adaptive scoring, and possibly save score files.
5396 (when gnus-newsgroup-adaptive
5397 (gnus-score-adaptive))
5398 (when gnus-use-scoring
5400 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5401 ;; If we have several article buffers, we kill them at exit.
5402 (unless gnus-single-article-buffer
5403 (gnus-kill-buffer gnus-original-article-buffer)
5404 (setq gnus-article-current nil))
5405 (when gnus-use-cache
5406 (gnus-cache-possibly-remove-articles)
5407 (gnus-cache-save-buffers))
5408 (gnus-async-prefetch-remove-group group)
5409 (when gnus-suppress-duplicates
5410 (gnus-dup-enter-articles))
5411 (when gnus-use-trees
5412 (gnus-tree-close group))
5413 (when gnus-use-cache
5414 (gnus-cache-write-active))
5415 ;; Remove entries for this group.
5416 (nnmail-purge-split-history (gnus-group-real-name group))
5417 ;; Make all changes in this group permanent.
5419 (gnus-run-hooks 'gnus-exit-group-hook)
5420 (gnus-summary-update-info))
5421 (gnus-close-group group)
5422 ;; Make sure where we were, and go to next newsgroup.
5423 (set-buffer gnus-group-buffer)
5425 (gnus-group-jump-to-group group))
5426 (gnus-run-hooks 'gnus-summary-exit-hook)
5427 (unless (or quit-config
5428 ;; If this group has disappeared from the summary
5429 ;; buffer, don't skip forwards.
5430 (not (string= group (gnus-group-group-name))))
5431 (gnus-group-next-unread-group 1))
5432 (setq group-point (point))
5435 ;; If we have several article buffers, we kill them at exit.
5436 (unless gnus-single-article-buffer
5437 (gnus-kill-buffer gnus-article-buffer)
5438 (gnus-kill-buffer gnus-original-article-buffer)
5439 (setq gnus-article-current nil))
5441 (if (not gnus-kill-summary-on-exit)
5442 (gnus-deaden-summary)
5443 ;; We set all buffer-local variables to nil. It is unclear why
5444 ;; this is needed, but if we don't, buffer-local variables are
5445 ;; not garbage-collected, it seems. This would the lead to en
5446 ;; ever-growing Emacs.
5447 (gnus-summary-clear-local-variables)
5448 (when (get-buffer gnus-article-buffer)
5449 (bury-buffer gnus-article-buffer))
5450 ;; We clear the global counterparts of the buffer-local
5451 ;; variables as well, just to be on the safe side.
5452 (set-buffer gnus-group-buffer)
5453 (gnus-summary-clear-local-variables)
5454 ;; Return to group mode buffer.
5455 (when (eq mode 'gnus-summary-mode)
5456 (gnus-kill-buffer buf)))
5457 (setq gnus-current-select-method gnus-select-method)
5458 (pop-to-buffer gnus-group-buffer)
5459 (if (not quit-config)
5461 (goto-char group-point)
5462 (gnus-configure-windows 'group 'force))
5463 (gnus-handle-ephemeral-exit quit-config))
5464 ;; Clear the current group name.
5466 (setq gnus-newsgroup-name nil)))))
5468 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5469 (defun gnus-summary-exit-no-update (&optional no-questions)
5470 "Quit reading current newsgroup without updating read article info."
5472 (let* ((group gnus-newsgroup-name)
5473 (quit-config (gnus-group-quit-config group)))
5474 (when (or no-questions
5476 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5477 (gnus-async-halt-prefetch)
5479 (delq 'gnus-summary-expire-articles
5480 (copy-sequence gnus-summary-prepare-exit-hook)))
5481 ;; If we have several article buffers, we kill them at exit.
5482 (unless gnus-single-article-buffer
5483 (gnus-kill-buffer gnus-article-buffer)
5484 (gnus-kill-buffer gnus-original-article-buffer)
5485 (setq gnus-article-current nil))
5486 (if (not gnus-kill-summary-on-exit)
5487 (gnus-deaden-summary)
5488 (gnus-close-group group)
5489 (gnus-summary-clear-local-variables)
5490 (set-buffer gnus-group-buffer)
5491 (gnus-summary-clear-local-variables)
5492 (when (get-buffer gnus-summary-buffer)
5493 (kill-buffer gnus-summary-buffer)))
5494 (unless gnus-single-article-buffer
5495 (setq gnus-article-current nil))
5496 (when gnus-use-trees
5497 (gnus-tree-close group))
5498 (gnus-async-prefetch-remove-group group)
5499 (when (get-buffer gnus-article-buffer)
5500 (bury-buffer gnus-article-buffer))
5501 ;; Return to the group buffer.
5502 (gnus-configure-windows 'group 'force)
5503 ;; Clear the current group name.
5504 (setq gnus-newsgroup-name nil)
5505 (when (equal (gnus-group-group-name) group)
5506 (gnus-group-next-unread-group 1))
5508 (gnus-handle-ephemeral-exit quit-config)))))
5510 (defun gnus-handle-ephemeral-exit (quit-config)
5511 "Handle movement when leaving an ephemeral group.
5512 The state which existed when entering the ephemeral is reset."
5513 (if (not (buffer-name (car quit-config)))
5514 (gnus-configure-windows 'group 'force)
5515 (set-buffer (car quit-config))
5516 (cond ((eq major-mode 'gnus-summary-mode)
5517 (gnus-set-global-variables))
5518 ((eq major-mode 'gnus-article-mode)
5520 ;; The `gnus-summary-buffer' variable may point
5521 ;; to the old summary buffer when using a single
5523 (unless (gnus-buffer-live-p gnus-summary-buffer)
5524 (set-buffer gnus-group-buffer))
5525 (set-buffer gnus-summary-buffer)
5526 (gnus-set-global-variables))))
5527 (if (or (eq (cdr quit-config) 'article)
5528 (eq (cdr quit-config) 'pick))
5530 ;; The current article may be from the ephemeral group
5531 ;; thus it is best that we reload this article
5532 (gnus-summary-show-article)
5533 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5534 (gnus-configure-windows 'pick 'force)
5535 (gnus-configure-windows (cdr quit-config) 'force)))
5536 (gnus-configure-windows (cdr quit-config) 'force))
5537 (when (eq major-mode 'gnus-summary-mode)
5538 (gnus-summary-next-subject 1 nil t)
5539 (gnus-summary-recenter)
5540 (gnus-summary-position-point))))
5542 (defun gnus-summary-preview-mime-message ()
5543 "MIME decode and play this message."
5545 (let ((gnus-break-pages nil)
5547 (gnus-summary-select-article gnus-show-all-headers t))
5548 (select-window (get-buffer-window gnus-article-buffer)))
5552 (defvar gnus-dead-summary-mode-map nil)
5554 (unless gnus-dead-summary-mode-map
5555 (setq gnus-dead-summary-mode-map (make-keymap))
5556 (suppress-keymap gnus-dead-summary-mode-map)
5557 (substitute-key-definition
5558 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5559 (let ((keys '("\C-d" "\r" "\177" [delete])))
5561 (define-key gnus-dead-summary-mode-map
5562 (pop keys) 'gnus-summary-wake-up-the-dead))))
5564 (defvar gnus-dead-summary-mode nil
5565 "Minor mode for Gnus summary buffers.")
5567 (defun gnus-dead-summary-mode (&optional arg)
5568 "Minor mode for Gnus summary buffers."
5570 (when (eq major-mode 'gnus-summary-mode)
5571 (make-local-variable 'gnus-dead-summary-mode)
5572 (setq gnus-dead-summary-mode
5573 (if (null arg) (not gnus-dead-summary-mode)
5574 (> (prefix-numeric-value arg) 0)))
5575 (when gnus-dead-summary-mode
5576 (gnus-add-minor-mode
5577 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5579 (defun gnus-deaden-summary ()
5580 "Make the current summary buffer into a dead summary buffer."
5581 ;; Kill any previous dead summary buffer.
5582 (when (and gnus-dead-summary
5583 (buffer-name gnus-dead-summary))
5585 (set-buffer gnus-dead-summary)
5586 (when gnus-dead-summary-mode
5587 (kill-buffer (current-buffer)))))
5588 ;; Make this the current dead summary.
5589 (setq gnus-dead-summary (current-buffer))
5590 (gnus-dead-summary-mode 1)
5591 (let ((name (buffer-name)))
5592 (when (string-match "Summary" name)
5594 (concat (substring name 0 (match-beginning 0)) "Dead "
5595 (substring name (match-beginning 0)))
5598 (defun gnus-kill-or-deaden-summary (buffer)
5599 "Kill or deaden the summary BUFFER."
5601 (when (and (buffer-name buffer)
5602 (not gnus-single-article-buffer))
5605 (gnus-kill-buffer gnus-article-buffer)
5606 (gnus-kill-buffer gnus-original-article-buffer)))
5607 (cond (gnus-kill-summary-on-exit
5608 (when (and gnus-use-trees
5609 (gnus-buffer-exists-p buffer))
5612 (gnus-tree-close gnus-newsgroup-name)))
5613 (gnus-kill-buffer buffer))
5614 ((gnus-buffer-exists-p buffer)
5617 (gnus-deaden-summary))))))
5619 (defun gnus-summary-wake-up-the-dead (&rest args)
5620 "Wake up the dead summary buffer."
5622 (gnus-dead-summary-mode -1)
5623 (let ((name (buffer-name)))
5624 (when (string-match "Dead " name)
5626 (concat (substring name 0 (match-beginning 0))
5627 (substring name (match-end 0)))
5629 (gnus-message 3 "This dead summary is now alive again"))
5631 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5632 (defun gnus-summary-fetch-faq (&optional faq-dir)
5633 "Fetch the FAQ for the current group.
5634 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5638 (when current-prefix-arg
5640 "Faq dir: " (and (listp gnus-group-faq-directory)
5641 (mapcar (lambda (file) (list file))
5642 gnus-group-faq-directory))))))
5643 (let (gnus-faq-buffer)
5644 (when (setq gnus-faq-buffer
5645 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5646 (gnus-configure-windows 'summary-faq))))
5648 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5649 (defun gnus-summary-describe-group (&optional force)
5650 "Describe the current newsgroup."
5652 (gnus-group-describe-group force gnus-newsgroup-name))
5654 (defun gnus-summary-describe-briefly ()
5655 "Describe summary mode commands briefly."
5657 (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")))
5659 ;; Walking around group mode buffer from summary mode.
5661 (defun gnus-summary-next-group (&optional no-article target-group backward)
5662 "Exit current newsgroup and then select next unread newsgroup.
5663 If prefix argument NO-ARTICLE is non-nil, no article is selected
5664 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5665 previous group instead."
5667 ;; Stop pre-fetching.
5668 (gnus-async-halt-prefetch)
5669 (let ((current-group gnus-newsgroup-name)
5670 (current-buffer (current-buffer))
5672 ;; First we semi-exit this group to update Xrefs and all variables.
5673 ;; We can't do a real exit, because the window conf must remain
5674 ;; the same in case the user is prompted for info, and we don't
5675 ;; want the window conf to change before that...
5676 (gnus-summary-exit t)
5677 (while (not entered)
5678 ;; Then we find what group we are supposed to enter.
5679 (set-buffer gnus-group-buffer)
5680 (gnus-group-jump-to-group current-group)
5683 (if (eq gnus-keep-same-level 'best)
5684 (gnus-summary-best-group gnus-newsgroup-name)
5685 (gnus-summary-search-group backward gnus-keep-same-level))))
5686 (if (not target-group)
5687 ;; There are no further groups, so we return to the group
5690 (gnus-message 5 "Returning to the group buffer")
5692 (when (gnus-buffer-live-p current-buffer)
5693 (set-buffer current-buffer)
5694 (gnus-summary-exit))
5695 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5696 ;; We try to enter the target group.
5697 (gnus-group-jump-to-group target-group)
5698 (let ((unreads (gnus-group-group-unread)))
5699 (if (and (or (eq t unreads)
5700 (and unreads (not (zerop unreads))))
5701 (gnus-summary-read-group
5702 target-group nil no-article
5703 (and (buffer-name current-buffer) current-buffer)
5706 (setq current-group target-group
5707 target-group nil)))))))
5709 (defun gnus-summary-prev-group (&optional no-article)
5710 "Exit current newsgroup and then select previous unread newsgroup.
5711 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5713 (gnus-summary-next-group no-article nil t))
5715 ;; Walking around summary lines.
5717 (defun gnus-summary-first-subject (&optional unread undownloaded)
5718 "Go to the first unread subject.
5719 If UNREAD is non-nil, go to the first unread article.
5720 Returns the article selected or nil if there are no unread articles."
5725 ((null gnus-newsgroup-data)
5726 (gnus-message 3 "No articles in the group")
5728 ;; Pick the first article.
5730 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5731 (gnus-data-number (car gnus-newsgroup-data)))
5732 ;; No unread articles.
5733 ((null gnus-newsgroup-unreads)
5734 (gnus-message 3 "No more unread articles")
5736 ;; Find the first unread article.
5738 (let ((data gnus-newsgroup-data))
5740 (and (not (and undownloaded
5741 (eq gnus-undownloaded-mark
5742 (gnus-data-mark (car data)))))
5743 (not (gnus-data-unread-p (car data)))))
5744 (setq data (cdr data)))
5746 (goto-char (gnus-data-pos (car data)))
5747 (gnus-data-number (car data))))))
5748 (gnus-summary-position-point)))
5750 (defun gnus-summary-next-subject (n &optional unread dont-display)
5751 "Go to next N'th summary line.
5752 If N is negative, go to the previous N'th subject line.
5753 If UNREAD is non-nil, only unread articles are selected.
5754 The difference between N and the actual number of steps taken is
5757 (let ((backward (< n 0))
5761 (gnus-summary-find-prev unread)
5762 (gnus-summary-find-next unread)))
5763 (unless (zerop (setq n (1- n)))
5764 (gnus-summary-show-thread)))
5766 (gnus-message 7 "No more%s articles"
5767 (if unread " unread" "")))
5768 (unless dont-display
5769 (gnus-summary-recenter)
5770 (gnus-summary-position-point))
5773 (defun gnus-summary-next-unread-subject (n)
5774 "Go to next N'th unread summary line."
5776 (gnus-summary-next-subject n t))
5778 (defun gnus-summary-prev-subject (n &optional unread)
5779 "Go to previous N'th summary line.
5780 If optional argument UNREAD is non-nil, only unread article is selected."
5782 (gnus-summary-next-subject (- n) unread))
5784 (defun gnus-summary-prev-unread-subject (n)
5785 "Go to previous N'th unread summary line."
5787 (gnus-summary-next-subject (- n) t))
5789 (defun gnus-summary-goto-subject (article &optional force silent)
5790 "Go the subject line of ARTICLE.
5791 If FORCE, also allow jumping to articles not currently shown."
5792 (interactive "nArticle number: ")
5794 (data (gnus-data-find article)))
5795 ;; We read in the article if we have to.
5798 (gnus-summary-insert-subject
5800 (if (or (numberp force) (vectorp force)) force)
5802 (setq data (gnus-data-find article)))
5807 (gnus-message 3 "Can't find article %d" article))
5809 (goto-char (gnus-data-pos data))
5810 (gnus-summary-position-point)
5813 ;; Walking around summary lines with displaying articles.
5815 (defun gnus-summary-expand-window (&optional arg)
5816 "Make the summary buffer take up the entire Emacs frame.
5817 Given a prefix, will force an `article' buffer configuration."
5820 (gnus-configure-windows 'article 'force)
5821 (gnus-configure-windows 'summary 'force)))
5823 (defun gnus-summary-display-article (article &optional all-header)
5824 "Display ARTICLE in article buffer."
5825 (gnus-set-global-variables)
5829 (if gnus-summary-display-article-function
5830 (funcall gnus-summary-display-article-function article all-header)
5831 (gnus-article-prepare article all-header))
5832 (with-current-buffer gnus-article-buffer
5833 (set (make-local-variable 'gnus-summary-search-article-matched-data)
5835 (gnus-run-hooks 'gnus-select-article-hook)
5836 (when (and gnus-current-article
5837 (not (zerop gnus-current-article)))
5838 (gnus-summary-goto-subject gnus-current-article))
5839 (gnus-summary-recenter)
5840 (when (and gnus-use-trees gnus-show-threads)
5841 (gnus-possibly-generate-tree article)
5842 (gnus-highlight-selected-tree article))
5843 ;; Successfully display article.
5844 (gnus-article-set-window-start
5845 (cdr (assq article gnus-newsgroup-bookmarks))))))
5847 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5848 "Select the current article.
5849 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5850 non-nil, the article will be re-fetched even if it already present in
5851 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5853 ;; Make sure we are in the summary buffer to work around bbdb bug.
5854 (unless (eq major-mode 'gnus-summary-mode)
5855 (set-buffer gnus-summary-buffer))
5856 (let ((article (or article (gnus-summary-article-number)))
5857 (all-headers (not (not all-headers))) ;Must be T or NIL.
5858 gnus-summary-display-article-function
5861 (gnus-summary-article-pseudo-p article)
5862 (error "This is a pseudo-article"))
5865 (set-buffer gnus-summary-buffer)
5866 (if (or (and gnus-single-article-buffer
5867 (or (null gnus-current-article)
5868 (null gnus-article-current)
5869 (null (get-buffer gnus-article-buffer))
5870 (not (eq article (cdr gnus-article-current)))
5871 (not (equal (car gnus-article-current)
5872 gnus-newsgroup-name))))
5873 (and (not gnus-single-article-buffer)
5874 (or (null gnus-current-article)
5875 (not (eq gnus-current-article article))))
5877 ;; The requested article is different from the current article.
5879 (gnus-summary-display-article article all-headers)
5881 (when (or all-headers gnus-show-all-headers)
5882 (if (eq 'gnus-summary-toggle-mime this-command)
5883 (gnus-article-show-all)
5884 (gnus-article-show-all-headers))))
5885 (when (or all-headers gnus-show-all-headers)
5886 (gnus-article-show-all-headers))
5889 (gnus-article-set-window-start
5890 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5892 (defun gnus-summary-set-current-mark (&optional current-mark)
5893 "Obsolete function."
5896 (defun gnus-summary-next-article (&optional unread subject backward push)
5897 "Select the next article.
5898 If UNREAD, only unread articles are selected.
5899 If SUBJECT, only articles with SUBJECT are selected.
5900 If BACKWARD, the previous article is selected instead of the next."
5903 ;; Is there such an article?
5904 ((and (gnus-summary-search-forward unread subject backward)
5905 (or (gnus-summary-display-article (gnus-summary-article-number))
5906 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5907 (gnus-summary-position-point))
5908 ;; If not, we try the first unread, if that is wanted.
5910 gnus-auto-select-same
5911 (gnus-summary-first-unread-article))
5912 (gnus-summary-position-point)
5913 (gnus-message 6 "Wrapped"))
5914 ;; Try to get next/previous article not displayed in this group.
5915 ((and gnus-auto-extend-newsgroup
5916 (not unread) (not subject))
5917 (gnus-summary-goto-article
5918 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5919 nil (count-lines (point-min) (point))))
5920 ;; Go to next/previous group.
5922 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5923 (gnus-summary-jump-to-group gnus-newsgroup-name))
5924 (let ((cmd last-command-char)
5927 (set-buffer gnus-group-buffer)
5930 (if (eq gnus-keep-same-level 'best)
5931 (gnus-summary-best-group gnus-newsgroup-name)
5932 (gnus-summary-search-group backward gnus-keep-same-level))))
5933 ;; For some reason, the group window gets selected. We change
5935 (select-window (get-buffer-window (current-buffer)))
5936 ;; Select next unread newsgroup automagically.
5938 ((or (not gnus-auto-select-next)
5940 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5941 ((or (eq gnus-auto-select-next 'quietly)
5942 (and (eq gnus-auto-select-next 'slightly-quietly)
5944 (and (eq gnus-auto-select-next 'almost-quietly)
5945 (gnus-summary-last-article-p)))
5947 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5949 (gnus-message 7 "No more%s articles (%s)..."
5950 (if unread " unread" "")
5951 (if group (concat "selecting " group)
5953 (gnus-summary-next-group nil group backward)))
5955 (when (gnus-key-press-event-p last-input-event)
5956 (gnus-summary-walk-group-buffer
5957 gnus-newsgroup-name cmd unread backward point))))))))
5959 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5960 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5961 (?\C-p (gnus-group-prev-unread-group 1))))
5962 (cursor-in-echo-area t)
5963 keve key group ended)
5965 (set-buffer gnus-group-buffer)
5968 (if (eq gnus-keep-same-level 'best)
5969 (gnus-summary-best-group gnus-newsgroup-name)
5970 (gnus-summary-search-group backward gnus-keep-same-level))))
5973 5 "No more%s articles%s" (if unread " unread" "")
5975 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5976 (format " (Type %s for %s [%s])"
5977 (single-key-description cmd) group
5978 (car (gnus-gethash group gnus-newsrc-hashtb)))
5979 (format " (Type %s to exit %s)"
5980 (single-key-description cmd)
5981 gnus-newsgroup-name)))
5982 ;; Confirm auto selection.
5983 (setq key (car (setq keve (gnus-read-event-char))))
5986 ((assq key keystrokes)
5987 (let ((obuf (current-buffer)))
5988 (switch-to-buffer gnus-group-buffer)
5990 (gnus-group-jump-to-group group))
5991 (eval (cadr (assq key keystrokes)))
5992 (setq group (gnus-group-group-name))
5993 (switch-to-buffer obuf))
5997 (gnus-ephemeral-group-p gnus-newsgroup-name))
5999 (gnus-summary-next-group nil group backward)))
6001 (push (cdr keve) unread-command-events))))))
6003 (defun gnus-summary-next-unread-article ()
6004 "Select unread article after current one."
6006 (gnus-summary-next-article
6007 (or (not (eq gnus-summary-goto-unread 'never))
6008 (gnus-summary-last-article-p (gnus-summary-article-number)))
6009 (and gnus-auto-select-same
6010 (gnus-summary-article-subject))))
6012 (defun gnus-summary-prev-article (&optional unread subject)
6013 "Select the article after the current one.
6014 If UNREAD is non-nil, only unread articles are selected."
6016 (gnus-summary-next-article unread subject t))
6018 (defun gnus-summary-prev-unread-article ()
6019 "Select unread article before current one."
6021 (gnus-summary-prev-article
6022 (or (not (eq gnus-summary-goto-unread 'never))
6023 (gnus-summary-first-article-p (gnus-summary-article-number)))
6024 (and gnus-auto-select-same
6025 (gnus-summary-article-subject))))
6027 (defun gnus-summary-next-page (&optional lines circular)
6028 "Show next page of the selected article.
6029 If at the end of the current article, select the next article.
6030 LINES says how many lines should be scrolled up.
6032 If CIRCULAR is non-nil, go to the start of the article instead of
6033 selecting the next article when reaching the end of the current
6036 (setq gnus-summary-buffer (current-buffer))
6037 (gnus-set-global-variables)
6038 (let ((article (gnus-summary-article-number))
6039 (article-window (get-buffer-window gnus-article-buffer t))
6041 ;; If the buffer is empty, we have no article.
6043 (error "No article to select"))
6044 (gnus-configure-windows 'article)
6045 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6046 (if (and (eq gnus-summary-goto-unread 'never)
6047 (not (gnus-summary-last-article-p article)))
6048 (gnus-summary-next-article)
6049 (gnus-summary-next-unread-article))
6050 (if (or (null gnus-current-article)
6051 (null gnus-article-current)
6052 (/= article (cdr gnus-article-current))
6053 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6054 ;; Selected subject is different from current article's.
6055 (gnus-summary-display-article article)
6056 (when article-window
6057 (gnus-eval-in-buffer-window gnus-article-buffer
6058 (setq endp (gnus-article-next-page lines)))
6061 (gnus-summary-beginning-of-article))
6063 (gnus-message 3 "End of message"))
6065 (if (and (eq gnus-summary-goto-unread 'never)
6066 (not (gnus-summary-last-article-p article)))
6067 (gnus-summary-next-article)
6068 (gnus-summary-next-unread-article))))))))
6069 (gnus-summary-recenter)
6070 (gnus-summary-position-point)))
6072 (defun gnus-summary-prev-page (&optional lines move)
6073 "Show previous page of selected article.
6074 Argument LINES specifies lines to be scrolled down.
6075 If MOVE, move to the previous unread article if point is at
6076 the beginning of the buffer."
6078 (let ((article (gnus-summary-article-number))
6079 (article-window (get-buffer-window gnus-article-buffer t))
6081 (gnus-configure-windows 'article)
6082 (if (or (null gnus-current-article)
6083 (null gnus-article-current)
6084 (/= article (cdr gnus-article-current))
6085 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6086 ;; Selected subject is different from current article's.
6087 (gnus-summary-display-article article)
6088 (gnus-summary-recenter)
6089 (when article-window
6090 (gnus-eval-in-buffer-window gnus-article-buffer
6091 (setq endp (gnus-article-prev-page lines)))
6092 (when (and move endp)
6094 (gnus-message 3 "Beginning of message"))
6096 (if (and (eq gnus-summary-goto-unread 'never)
6097 (not (gnus-summary-first-article-p article)))
6098 (gnus-summary-prev-article)
6099 (gnus-summary-prev-unread-article))))))))
6100 (gnus-summary-position-point))
6102 (defun gnus-summary-prev-page-or-article (&optional lines)
6103 "Show previous page of selected article.
6104 Argument LINES specifies lines to be scrolled down.
6105 If at the beginning of the article, go to the next article."
6107 (gnus-summary-prev-page lines t))
6109 (defun gnus-summary-scroll-up (lines)
6110 "Scroll up (or down) one line current article.
6111 Argument LINES specifies lines to be scrolled up (or down if negative)."
6113 (gnus-configure-windows 'article)
6114 (gnus-summary-show-thread)
6115 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
6116 (gnus-eval-in-buffer-window gnus-article-buffer
6118 (when (gnus-article-next-page lines)
6119 (gnus-message 3 "End of message")))
6121 (gnus-article-prev-page (- lines))))))
6122 (gnus-summary-recenter)
6123 (gnus-summary-position-point))
6125 (defun gnus-summary-scroll-down (lines)
6126 "Scroll down (or up) one line current article.
6127 Argument LINES specifies lines to be scrolled down (or up if negative)."
6129 (gnus-summary-scroll-up (- lines)))
6131 (defun gnus-summary-next-same-subject ()
6132 "Select next article which has the same subject as current one."
6134 (gnus-summary-next-article nil (gnus-summary-article-subject)))
6136 (defun gnus-summary-prev-same-subject ()
6137 "Select previous article which has the same subject as current one."
6139 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
6141 (defun gnus-summary-next-unread-same-subject ()
6142 "Select next unread article which has the same subject as current one."
6144 (gnus-summary-next-article t (gnus-summary-article-subject)))
6146 (defun gnus-summary-prev-unread-same-subject ()
6147 "Select previous unread article which has the same subject as current one."
6149 (gnus-summary-prev-article t (gnus-summary-article-subject)))
6151 (defun gnus-summary-first-unread-article ()
6152 "Select the first unread article.
6153 Return nil if there are no unread articles."
6156 (when (gnus-summary-first-subject t)
6157 (gnus-summary-show-thread)
6158 (gnus-summary-first-subject t)
6159 (gnus-summary-display-article (gnus-summary-article-number)))
6160 (gnus-summary-position-point)))
6162 (defun gnus-summary-first-unread-subject ()
6163 "Place the point on the subject line of the first unread article.
6164 Return nil if there are no unread articles."
6167 (when (gnus-summary-first-subject t)
6168 (gnus-summary-show-thread)
6169 (gnus-summary-first-subject t))
6170 (gnus-summary-position-point)))
6172 (defun gnus-summary-first-article ()
6173 "Select the first article.
6174 Return nil if there are no articles."
6177 (when (gnus-summary-first-subject)
6178 (gnus-summary-show-thread)
6179 (gnus-summary-first-subject)
6180 (gnus-summary-display-article (gnus-summary-article-number)))
6181 (gnus-summary-position-point)))
6183 (defun gnus-summary-best-unread-article ()
6184 "Select the unread article with the highest score."
6186 (let ((best -1000000)
6187 (data gnus-newsgroup-data)
6190 (and (gnus-data-unread-p (car data))
6192 (gnus-summary-article-score (gnus-data-number (car data))))
6195 article (gnus-data-number (car data))))
6196 (setq data (cdr data)))
6199 (gnus-summary-goto-article article)
6200 (error "No unread articles"))
6201 (gnus-summary-position-point))))
6203 (defun gnus-summary-last-subject ()
6204 "Go to the last displayed subject line in the group."
6205 (let ((article (gnus-data-number (car (gnus-data-list t)))))
6207 (gnus-summary-goto-subject article))))
6209 (defun gnus-summary-goto-article (article &optional all-headers force)
6210 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
6211 If ALL-HEADERS is non-nil, no header lines are hidden.
6212 If FORCE, go to the article even if it isn't displayed. If FORCE
6213 is a number, it is the line the article is to be displayed on."
6217 "Article number or Message-ID: "
6218 (mapcar (lambda (number) (list (int-to-string number)))
6219 gnus-newsgroup-limit))
6223 (if (and (stringp article)
6224 (string-match "@" article))
6225 (gnus-summary-refer-article article)
6226 (when (stringp article)
6227 (setq article (string-to-number article)))
6228 (if (gnus-summary-goto-subject article force)
6229 (gnus-summary-display-article article all-headers)
6230 (gnus-message 4 "Couldn't go to article %s" article) nil))
6231 (gnus-summary-position-point)))
6233 (defun gnus-summary-goto-last-article ()
6234 "Go to the previously read article."
6237 (when gnus-last-article
6238 (gnus-summary-goto-article gnus-last-article nil t))
6239 (gnus-summary-position-point)))
6241 (defun gnus-summary-pop-article (number)
6242 "Pop one article off the history and go to the previous.
6243 NUMBER articles will be popped off."
6246 (setq gnus-newsgroup-history
6247 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
6249 (gnus-summary-goto-article (car to) nil t)
6250 (error "Article history empty")))
6251 (gnus-summary-position-point))
6253 ;; Summary commands and functions for limiting the summary buffer.
6255 (defun gnus-summary-limit-to-articles (n)
6256 "Limit the summary buffer to the next N articles.
6257 If not given a prefix, use the process marked articles instead."
6260 (let ((articles (gnus-summary-work-articles n)))
6261 (setq gnus-newsgroup-processable nil)
6262 (gnus-summary-limit articles))
6263 (gnus-summary-position-point)))
6265 (defun gnus-summary-pop-limit (&optional total)
6266 "Restore the previous limit.
6267 If given a prefix, remove all limits."
6270 (setq gnus-newsgroup-limits
6271 (list (mapcar (lambda (h) (mail-header-number h))
6272 gnus-newsgroup-headers))))
6273 (unless gnus-newsgroup-limits
6274 (error "No limit to pop"))
6276 (gnus-summary-limit nil 'pop)
6277 (gnus-summary-position-point)))
6279 (defun gnus-summary-limit-to-subject (subject &optional header)
6280 "Limit the summary buffer to articles that have subjects that match a regexp."
6281 (interactive "sLimit to subject (regexp): ")
6283 (setq header "subject"))
6284 (when (not (equal "" subject))
6286 (let ((articles (gnus-summary-find-matching
6287 (or header "subject") subject 'all)))
6289 (error "Found no matches for \"%s\"" subject))
6290 (gnus-summary-limit articles))
6291 (gnus-summary-position-point))))
6293 (defun gnus-summary-limit-to-author (from)
6294 "Limit the summary buffer to articles that have authors that match a regexp."
6295 (interactive "sLimit to author (regexp): ")
6296 (gnus-summary-limit-to-subject from "from"))
6298 (defun gnus-summary-limit-to-age (age &optional younger-p)
6299 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6300 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6301 articles that are younger than AGE days."
6303 (let ((younger current-prefix-arg)
6306 (while (not days-got)
6307 (setq days (if younger
6308 (read-string "Limit to articles within (in days): ")
6309 (read-string "Limit to articles old than (in days): ")))
6310 (when (> (length days) 0)
6311 (setq days (read days)))
6314 (message "Please enter a number.")
6316 (list days younger)))
6318 (let ((data gnus-newsgroup-data)
6319 (cutoff (days-to-time age))
6320 articles d date is-younger)
6321 (while (setq d (pop data))
6322 (when (and (vectorp (gnus-data-header d))
6323 (setq date (mail-header-date (gnus-data-header d))))
6324 (setq is-younger (time-less-p
6325 (time-since (condition-case ()
6332 (push (gnus-data-number d) articles))))
6333 (gnus-summary-limit (nreverse articles)))
6334 (gnus-summary-position-point)))
6336 (defun gnus-summary-limit-to-extra (header regexp)
6337 "Limit the summary buffer to articles that match an 'extra' header."
6341 (gnus-completing-read
6342 (symbol-name (car gnus-extra-headers))
6343 "Limit extra header:"
6345 (cons (symbol-name x) x))
6350 (read-string (format "Limit to header %s (regexp): " header)))))
6351 (when (not (equal "" regexp))
6353 (let ((articles (gnus-summary-find-matching
6354 (cons 'extra header) regexp 'all)))
6356 (error "Found no matches for \"%s\"" regexp))
6357 (gnus-summary-limit articles))
6358 (gnus-summary-position-point))))
6360 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6362 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6364 (defun gnus-summary-limit-to-unread (&optional all)
6365 "Limit the summary buffer to articles that are not marked as read.
6366 If ALL is non-nil, limit strictly to unread articles."
6369 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6370 (gnus-summary-limit-to-marks
6371 ;; Concat all the marks that say that an article is read and have
6373 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6374 gnus-killed-mark gnus-kill-file-mark
6375 gnus-low-score-mark gnus-expirable-mark
6376 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6377 gnus-duplicate-mark gnus-souped-mark)
6380 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6381 (make-obsolete 'gnus-summary-delete-marked-with
6382 'gnus-summary-limit-exlude-marks)
6384 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6385 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6386 If REVERSE, limit the summary buffer to articles that are marked
6387 with MARKS. MARKS can either be a string of marks or a list of marks.
6388 Returns how many articles were removed."
6389 (interactive "sMarks: ")
6390 (gnus-summary-limit-to-marks marks t))
6392 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6393 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6394 If REVERSE (the prefix), limit the summary buffer to articles that are
6395 not marked with MARKS. MARKS can either be a string of marks or a
6397 Returns how many articles were removed."
6398 (interactive "sMarks: \nP")
6400 (let ((data gnus-newsgroup-data)
6401 (marks (if (listp marks) marks
6402 (append marks nil))) ; Transform to list.
6405 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6406 (memq (gnus-data-mark (car data)) marks))
6407 (push (gnus-data-number (car data)) articles))
6408 (setq data (cdr data)))
6409 (gnus-summary-limit articles))
6410 (gnus-summary-position-point)))
6412 (defun gnus-summary-limit-to-score (&optional score)
6413 "Limit to articles with score at or above SCORE."
6415 (setq score (if score
6416 (prefix-numeric-value score)
6417 (or gnus-summary-default-score 0)))
6418 (let ((data gnus-newsgroup-data)
6421 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6423 (push (gnus-data-number (car data)) articles))
6424 (setq data (cdr data)))
6426 (gnus-summary-limit articles)
6427 (gnus-summary-position-point))))
6429 (defun gnus-summary-limit-include-thread (id)
6430 "Display all the hidden articles that in the current thread."
6431 (interactive (list (mail-header-id (gnus-summary-article-header))))
6432 (let ((articles (gnus-articles-in-thread
6433 (gnus-id-to-thread (gnus-root-id id)))))
6435 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6436 (gnus-summary-position-point))))
6438 (defun gnus-summary-limit-include-dormant ()
6439 "Display all the hidden articles that are marked as dormant.
6440 Note that this command only works on a subset of the articles currently
6441 fetched for this group."
6443 (unless gnus-newsgroup-dormant
6444 (error "There are no dormant articles in this group"))
6446 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6447 (gnus-summary-position-point)))
6449 (defun gnus-summary-limit-exclude-dormant ()
6450 "Hide all dormant articles."
6453 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6454 (gnus-summary-position-point)))
6456 (defun gnus-summary-limit-exclude-childless-dormant ()
6457 "Hide all dormant articles that have no children."
6459 (let ((data (gnus-data-list t))
6460 articles d children)
6461 ;; Find all articles that are either not dormant or have
6463 (while (setq d (pop data))
6464 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6466 (gnus-article-children (gnus-data-number d)))
6469 (when (memq (car children) articles)
6474 (push (gnus-data-number d) articles)))
6477 (gnus-summary-limit articles)
6478 (gnus-summary-position-point))))
6480 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6481 "Mark all unread excluded articles as read.
6482 If ALL, mark even excluded ticked and dormants as read."
6484 (let ((articles (gnus-sorted-complement
6486 (mapcar (lambda (h) (mail-header-number h))
6487 gnus-newsgroup-headers)
6489 (sort gnus-newsgroup-limit '<)))
6491 (setq gnus-newsgroup-unreads
6492 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6494 (setq gnus-newsgroup-dormant nil
6495 gnus-newsgroup-marked nil
6496 gnus-newsgroup-reads
6498 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6499 gnus-newsgroup-reads))
6500 (while (setq article (pop articles))
6501 (unless (or (memq article gnus-newsgroup-dormant)
6502 (memq article gnus-newsgroup-marked))
6503 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6505 (defun gnus-summary-limit (articles &optional pop)
6507 ;; We pop the previous limit off the stack and use that.
6508 (setq articles (car gnus-newsgroup-limits)
6509 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6510 ;; We use the new limit, so we push the old limit on the stack.
6511 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6513 (setq gnus-newsgroup-limit articles)
6514 (let ((total (length gnus-newsgroup-data))
6515 (data (gnus-data-find-list (gnus-summary-article-number)))
6516 (gnus-summary-mark-below nil) ; Inhibit this.
6518 ;; This will do all the work of generating the new summary buffer
6519 ;; according to the new limit.
6520 (gnus-summary-prepare)
6521 ;; Hide any threads, possibly.
6522 (and gnus-show-threads
6523 gnus-thread-hide-subtree
6524 (gnus-summary-hide-all-threads))
6525 ;; Try to return to the article you were at, or one in the
6528 ;; We try to find some article after the current one.
6530 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6533 (setq data (cdr data))))
6535 ;; If there is no data, that means that we were after the last
6536 ;; article. The same goes when we can't find any articles
6537 ;; after the current one.
6538 (goto-char (point-max))
6539 (gnus-summary-find-prev))
6540 (gnus-set-mode-line 'summary)
6541 ;; We return how many articles were removed from the summary
6542 ;; buffer as a result of the new limit.
6543 (- total (length gnus-newsgroup-data))))
6545 (defsubst gnus-invisible-cut-children (threads)
6548 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6553 (defsubst gnus-cut-thread (thread)
6554 "Go forwards in the thread until we find an article that we want to display."
6555 (when (or (eq gnus-fetch-old-headers 'some)
6556 (eq gnus-fetch-old-headers 'invisible)
6557 (numberp gnus-fetch-old-headers)
6558 (eq gnus-build-sparse-threads 'some)
6559 (eq gnus-build-sparse-threads 'more))
6560 ;; Deal with old-fetched headers and sparse threads.
6564 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6565 (gnus-summary-article-ancient-p
6566 (mail-header-number (car thread))))
6567 (if (or (<= (length (cdr thread)) 1)
6568 (eq gnus-fetch-old-headers 'invisible))
6569 (setq gnus-newsgroup-limit
6570 (delq (mail-header-number (car thread))
6571 gnus-newsgroup-limit)
6572 thread (cadr thread))
6573 (when (gnus-invisible-cut-children (cdr thread))
6574 (let ((th (cdr thread)))
6576 (if (memq (mail-header-number (caar th))
6577 gnus-newsgroup-limit)
6578 (setq thread (car th)
6580 (setq th (cdr th))))))))))
6583 (defun gnus-cut-threads (threads)
6584 "Cut off all uninteresting articles from the beginning of threads."
6585 (when (or (eq gnus-fetch-old-headers 'some)
6586 (eq gnus-fetch-old-headers 'invisible)
6587 (numberp gnus-fetch-old-headers)
6588 (eq gnus-build-sparse-threads 'some)
6589 (eq gnus-build-sparse-threads 'more))
6592 (setcar th (gnus-cut-thread (car th)))
6593 (setq th (cdr th)))))
6594 ;; Remove nixed out threads.
6597 (defun gnus-summary-initial-limit (&optional show-if-empty)
6598 "Figure out what the initial limit is supposed to be on group entry.
6599 This entails weeding out unwanted dormants, low-scored articles,
6600 fetch-old-headers verbiage, and so on."
6601 ;; Most groups have nothing to remove.
6602 (if (or gnus-inhibit-limiting
6603 (and (null gnus-newsgroup-dormant)
6604 (not (eq gnus-fetch-old-headers 'some))
6605 (not (numberp gnus-fetch-old-headers))
6606 (not (eq gnus-fetch-old-headers 'invisible))
6607 (null gnus-summary-expunge-below)
6608 (not (eq gnus-build-sparse-threads 'some))
6609 (not (eq gnus-build-sparse-threads 'more))
6610 (null gnus-thread-expunge-below)
6611 (not gnus-use-nocem)))
6613 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6614 (setq gnus-newsgroup-limit nil)
6617 (unless (car (symbol-value node))
6618 ;; These threads have no parents -- they are roots.
6619 (let ((nodes (cdr (symbol-value node)))
6622 (if (and gnus-thread-expunge-below
6623 (< (gnus-thread-total-score (car nodes))
6624 gnus-thread-expunge-below))
6625 (gnus-expunge-thread (pop nodes))
6626 (setq thread (pop nodes))
6627 (gnus-summary-limit-children thread))))))
6628 gnus-newsgroup-dependencies)
6629 ;; If this limitation resulted in an empty group, we might
6630 ;; pop the previous limit and use it instead.
6631 (when (and (not gnus-newsgroup-limit)
6633 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6634 gnus-newsgroup-limit))
6636 (defun gnus-summary-limit-children (thread)
6637 "Return 1 if this subthread is visible and 0 if it is not."
6638 ;; First we get the number of visible children to this thread. This
6639 ;; is done by recursing down the thread using this function, so this
6640 ;; will really go down to a leaf article first, before slowly
6641 ;; working its way up towards the root.
6645 (apply '+ (mapcar 'gnus-summary-limit-children
6648 (number (mail-header-number (car thread)))
6651 (not (memq number gnus-newsgroup-marked))
6653 ;; If this article is dormant and has absolutely no visible
6654 ;; children, then this article isn't visible.
6655 (and (memq number gnus-newsgroup-dormant)
6657 ;; If this is "fetch-old-headered" and there is no
6658 ;; visible children, then we don't want this article.
6659 (and (or (eq gnus-fetch-old-headers 'some)
6660 (numberp gnus-fetch-old-headers))
6661 (gnus-summary-article-ancient-p number)
6663 ;; If this is "fetch-old-headered" and `invisible', then
6664 ;; we don't want this article.
6665 (and (eq gnus-fetch-old-headers 'invisible)
6666 (gnus-summary-article-ancient-p number))
6667 ;; If this is a sparsely inserted article with no children,
6668 ;; we don't want it.
6669 (and (eq gnus-build-sparse-threads 'some)
6670 (gnus-summary-article-sparse-p number)
6672 ;; If we use expunging, and this article is really
6673 ;; low-scored, then we don't want this article.
6674 (when (and gnus-summary-expunge-below
6676 (or (cdr (assq number gnus-newsgroup-scored))
6677 gnus-summary-default-score))
6678 gnus-summary-expunge-below))
6679 ;; We increase the expunge-tally here, but that has
6680 ;; nothing to do with the limits, really.
6681 (incf gnus-newsgroup-expunged-tally)
6682 ;; We also mark as read here, if that's wanted.
6683 (when (and gnus-summary-mark-below
6684 (< score gnus-summary-mark-below))
6685 (setq gnus-newsgroup-unreads
6686 (delq number gnus-newsgroup-unreads))
6687 (if gnus-newsgroup-auto-expire
6688 (push number gnus-newsgroup-expirable)
6689 (push (cons number gnus-low-score-mark)
6690 gnus-newsgroup-reads)))
6692 ;; Check NoCeM things.
6693 (if (and gnus-use-nocem
6694 (gnus-nocem-unwanted-article-p
6695 (mail-header-id (car thread))))
6697 (setq gnus-newsgroup-unreads
6698 (delq number gnus-newsgroup-unreads))
6700 ;; Nope, invisible article.
6702 ;; Ok, this article is to be visible, so we add it to the limit
6704 (push number gnus-newsgroup-limit)
6707 (defun gnus-expunge-thread (thread)
6708 "Mark all articles in THREAD as read."
6709 (let* ((number (mail-header-number (car thread))))
6710 (incf gnus-newsgroup-expunged-tally)
6711 ;; We also mark as read here, if that's wanted.
6712 (setq gnus-newsgroup-unreads
6713 (delq number gnus-newsgroup-unreads))
6714 (if gnus-newsgroup-auto-expire
6715 (push number gnus-newsgroup-expirable)
6716 (push (cons number gnus-low-score-mark)
6717 gnus-newsgroup-reads)))
6718 ;; Go recursively through all subthreads.
6719 (mapcar 'gnus-expunge-thread (cdr thread)))
6721 ;; Summary article oriented commands
6723 (defun gnus-summary-refer-parent-article (n)
6724 "Refer parent article N times.
6725 If N is negative, go to ancestor -N instead.
6726 The difference between N and the number of articles fetched is returned."
6730 (when (not (natnump n))
6735 (setq header (gnus-summary-article-header))
6736 (if (and (eq (mail-header-number header)
6737 (cdr gnus-article-current))
6738 (equal gnus-newsgroup-name
6739 (car gnus-article-current)))
6740 ;; If we try to find the parent of the currently
6741 ;; displayed article, then we take a look at the actual
6742 ;; References header, since this is slightly more
6743 ;; reliable than the References field we got from the
6746 (set-buffer gnus-original-article-buffer)
6747 (nnheader-narrow-to-headers)
6748 (unless (setq ref (message-fetch-field "references"))
6749 (setq ref (message-fetch-field "in-reply-to")))
6752 ;; It's not the current article, so we take a bet on
6753 ;; the value we got from the server.
6754 (mail-header-references header)))
6756 (not (equal ref "")))
6757 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6758 (gnus-message 1 "Couldn't find parent"))
6759 (gnus-message 1 "No references in article %d"
6760 (gnus-summary-article-number))
6763 (gnus-summary-position-point)
6766 (defun gnus-summary-refer-references ()
6767 "Fetch all articles mentioned in the References header.
6768 Return the number of articles fetched."
6770 (let ((ref (mail-header-references (gnus-summary-article-header)))
6771 (current (gnus-summary-article-number))
6775 (error "No References in the current article")
6776 ;; For each Message-ID in the References header...
6777 (while (string-match "<[^>]*>" ref)
6779 ;; ... fetch that article.
6780 (gnus-summary-refer-article
6781 (prog1 (match-string 0 ref)
6782 (setq ref (substring ref (match-end 0))))))
6783 (gnus-summary-goto-subject current)
6784 (gnus-summary-position-point)
6787 (defun gnus-summary-refer-thread (&optional limit)
6788 "Fetch all articles in the current thread.
6789 If LIMIT (the numerical prefix), fetch that many old headers instead
6790 of what's specified by the `gnus-refer-thread-limit' variable."
6792 (let ((id (mail-header-id (gnus-summary-article-header)))
6793 (limit (if limit (prefix-numeric-value limit)
6794 gnus-refer-thread-limit)))
6795 ;; We want to fetch LIMIT *old* headers, but we also have to
6796 ;; re-fetch all the headers in the current buffer, because many of
6797 ;; them may be undisplayed. So we adjust LIMIT.
6798 (when (numberp limit)
6799 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6800 (unless (eq gnus-fetch-old-headers 'invisible)
6801 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6802 ;; Retrieve the headers and read them in.
6803 (if (eq (gnus-retrieve-headers
6804 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6806 (gnus-build-all-threads)
6807 (error "Can't fetch thread from backends that don't support NOV"))
6808 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6809 (gnus-summary-limit-include-thread id)))
6811 (defun gnus-summary-refer-article (message-id)
6812 "Fetch an article specified by MESSAGE-ID."
6813 (interactive "sMessage-ID: ")
6814 (when (and (stringp message-id)
6815 (not (zerop (length message-id))))
6816 ;; Construct the correct Message-ID if necessary.
6817 ;; Suggested by tale@pawl.rpi.edu.
6818 (unless (string-match "^<" message-id)
6819 (setq message-id (concat "<" message-id)))
6820 (unless (string-match ">$" message-id)
6821 (setq message-id (concat message-id ">")))
6822 (let* ((header (gnus-id-to-header message-id))
6824 (gnus-summary-article-sparse-p
6825 (mail-header-number header))
6826 (memq (mail-header-number header)
6827 gnus-newsgroup-limit)))
6830 ;; If the article is present in the buffer we just go to it.
6832 (or (not (gnus-summary-article-sparse-p
6833 (mail-header-number header)))
6836 (gnus-summary-goto-article
6837 (mail-header-number header) nil t)
6839 (gnus-summary-update-article (mail-header-number header)))))
6841 ;; We fetch the article.
6843 (dolist (gnus-override-method (gnus-refer-article-methods))
6844 (gnus-check-server gnus-override-method)
6845 ;; Fetch the header, and display the article.
6846 (when (setq number (gnus-summary-insert-subject message-id))
6847 (gnus-summary-select-article nil nil nil number)
6849 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
6851 (defun gnus-refer-article-methods ()
6852 "Return a list of referrable methods."
6854 ;; No method, so we default to current and native.
6855 ((null gnus-refer-article-method)
6856 (list gnus-current-select-method gnus-select-method))
6858 ((eq 'current gnus-refer-article-method)
6859 (list gnus-current-select-method))
6860 ;; List of select methods.
6861 ((not (stringp (cadr gnus-refer-article-method)))
6863 (dolist (method gnus-refer-article-method)
6864 (push (if (eq 'current method)
6865 gnus-current-select-method
6869 ;; One single select method.
6871 (list gnus-refer-article-method))))
6873 (defun gnus-summary-edit-parameters ()
6874 "Edit the group parameters of the current group."
6876 (gnus-group-edit-group gnus-newsgroup-name 'params))
6878 (defun gnus-summary-customize-parameters ()
6879 "Customize the group parameters of the current group."
6881 (gnus-group-customize gnus-newsgroup-name))
6883 (defun gnus-summary-enter-digest-group (&optional force)
6884 "Enter an nndoc group based on the current article.
6885 If FORCE, force a digest interpretation. If not, try
6886 to guess what the document format is."
6888 (let ((conf gnus-current-window-configuration))
6890 (gnus-summary-select-article))
6891 (setq gnus-current-window-configuration conf)
6892 (let* ((name (format "%s-%d"
6893 (gnus-group-prefixed-name
6894 gnus-newsgroup-name (list 'nndoc ""))
6896 (set-buffer gnus-summary-buffer)
6897 gnus-current-article)))
6898 (ogroup gnus-newsgroup-name)
6899 (params (append (gnus-info-params (gnus-get-info ogroup))
6900 (list (cons 'to-group ogroup))
6901 (list (cons 'save-article-group ogroup))))
6902 (case-fold-search t)
6903 (buf (current-buffer))
6906 (set-buffer gnus-original-article-buffer)
6907 ;; Have the digest group inherit the main mail address of
6908 ;; the parent article.
6909 (when (setq to-address (or (message-fetch-field "reply-to")
6910 (message-fetch-field "from")))
6911 (setq params (append (list (cons 'to-address to-address)))))
6912 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6913 (insert-buffer-substring gnus-original-article-buffer)
6914 ;; Remove lines that may lead nndoc to misinterpret the
6917 (goto-char (point-min))
6918 (or (search-forward "\n\n" nil t) (point)))
6919 (goto-char (point-min))
6920 (delete-matching-lines "^Path:\\|^From ")
6923 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
6924 (gnus-newsgroup-ephemeral-ignored-charsets
6925 gnus-newsgroup-ignored-charsets))
6926 (gnus-group-read-ephemeral-group
6927 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6929 ,(if force 'mbox 'guess))) t))
6930 ;; Make all postings to this group go to the parent group.
6931 (nconc (gnus-info-params (gnus-get-info name))
6933 ;; Couldn't select this doc group.
6934 (switch-to-buffer buf)
6935 (gnus-set-global-variables)
6936 (gnus-configure-windows 'summary)
6937 (gnus-message 3 "Article couldn't be entered?"))
6938 (kill-buffer dig)))))
6940 (defun gnus-summary-read-document (n)
6941 "Open a new group based on the current article(s).
6942 This will allow you to read digests and other similar
6943 documents as newsgroups.
6944 Obeys the standard process/prefix convention."
6946 (let* ((articles (gnus-summary-work-articles n))
6947 (ogroup gnus-newsgroup-name)
6948 (params (append (gnus-info-params (gnus-get-info ogroup))
6949 (list (cons 'to-group ogroup))))
6950 article group egroup groups vgroup)
6951 (while (setq article (pop articles))
6952 (setq group (format "%s-%d" gnus-newsgroup-name article))
6953 (gnus-summary-remove-process-mark article)
6954 (when (gnus-summary-display-article article)
6957 (insert-buffer-substring gnus-original-article-buffer)
6958 ;; Remove some headers that may lead nndoc to make
6960 (message-narrow-to-head)
6961 (goto-char (point-min))
6962 (delete-matching-lines "^\\(Path\\):\\|^From ")
6965 (gnus-group-read-ephemeral-group
6966 group `(nndoc ,group (nndoc-address ,(current-buffer))
6967 (nndoc-article-type guess))
6970 ;; Make all postings to this group go to the parent group.
6971 (nconc (gnus-info-params (gnus-get-info egroup))
6973 (push egroup groups))
6974 ;; Couldn't select this doc group.
6975 (gnus-error 3 "Article couldn't be entered"))))))
6976 ;; Now we have selected all the documents.
6979 (error "None of the articles could be interpreted as documents"))
6980 ((gnus-group-read-ephemeral-group
6981 (setq vgroup (format
6982 "nnvirtual:%s-%s" gnus-newsgroup-name
6983 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6984 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6986 (cons (current-buffer) 'summary)))
6988 (error "Couldn't select virtual nndoc group")))))
6990 (defun gnus-summary-isearch-article (&optional regexp-p)
6991 "Do incremental search forward on the current article.
6992 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6994 (let* ((gnus-inhibit-treatment t)
6995 (old (gnus-summary-select-article)))
6996 (gnus-configure-windows 'article)
6997 (gnus-eval-in-buffer-window gnus-article-buffer
7001 (gnus-article-show-all-headers))
7002 (goto-char (point-min))
7003 (isearch-forward regexp-p)))))
7005 (defun gnus-summary-search-article-forward (regexp &optional backward)
7006 "Search for an article containing REGEXP forward.
7007 If BACKWARD, search backward instead."
7010 (format "Search article %s (regexp%s): "
7011 (if current-prefix-arg "backward" "forward")
7012 (if gnus-last-search-regexp
7013 (concat ", default " gnus-last-search-regexp)
7015 current-prefix-arg))
7016 (if (string-equal regexp "")
7017 (setq regexp (or gnus-last-search-regexp ""))
7018 (setq gnus-last-search-regexp regexp))
7019 (if (gnus-summary-search-article regexp backward)
7020 (gnus-summary-show-thread)
7021 (error "Search failed: \"%s\"" regexp)))
7023 (defun gnus-summary-search-article-backward (regexp)
7024 "Search for an article containing REGEXP backward."
7027 (format "Search article backward (regexp%s): "
7028 (if gnus-last-search-regexp
7029 (concat ", default " gnus-last-search-regexp)
7031 (gnus-summary-search-article-forward regexp 'backward))
7034 (defmacro gnus-summary-search-article-position-point (regexp backward)
7035 "Dehighlight the last matched text and goto the beginning position."
7036 (` (if (and gnus-summary-search-article-matched-data
7037 (let ((text (caddr gnus-summary-search-article-matched-data))
7038 (inhibit-read-only t)
7041 (goto-char (car gnus-summary-search-article-matched-data))
7042 (cadr gnus-summary-search-article-matched-data))
7044 (string-match (, regexp) text)))
7045 (if (, backward) (beginning-of-line) (end-of-line))
7046 (goto-char (if (, backward) (point-max) (point-min))))))
7048 (defmacro gnus-summary-search-article-highlight-goto-x-face (opoint)
7049 "Place point where X-Face image is displayed."
7050 (if (featurep 'xemacs)
7051 (` (let ((end (if (search-forward "\n\n" nil t)
7052 (goto-char (1- (point)))
7055 (or (search-backward "\n\n" nil t) (goto-char (point-min)))
7056 (unless (and (re-search-forward "^From:" end t)
7057 (setq extent (extent-at (point)))
7058 (extent-begin-glyph extent))
7059 (goto-char (, opoint)))))
7060 (` (let ((end (if (search-forward "\n\n" nil t)
7061 (goto-char (1- (point)))
7064 (or (text-property-any (or (search-backward "\n\n" nil t)
7066 end 'x-face-mule-bitmap-image t)
7069 (defmacro gnus-summary-search-article-highlight-matched-text
7070 (backward treated x-face)
7071 "Highlight matched text in the function `gnus-summary-search-article'."
7072 (` (let ((start (set-marker (make-marker) (match-beginning 0)))
7073 (end (set-marker (make-marker) (match-end 0)))
7074 (inhibit-read-only t)
7078 (let ((items (mapcar 'car gnus-treatment-function-alist)))
7080 (lambda (item) (setq items (delq item items)))
7081 '(gnus-treat-buttonize
7082 gnus-treat-fill-article
7083 gnus-treat-fill-long-lines
7084 gnus-treat-emphasize
7085 gnus-treat-highlight-headers
7086 gnus-treat-highlight-citation
7087 gnus-treat-highlight-signature
7088 gnus-treat-overstrike
7089 gnus-treat-display-xface
7090 gnus-treat-buttonize-head
7091 gnus-treat-decode-article-as-default-mime-charset))
7092 (static-if (featurep 'xemacs)
7094 (cons '(x-face-mule-delete-x-face-field
7097 (gnus-treat-display-xface
7098 (when (, x-face) gnus-treat-display-xface)))
7099 (gnus-article-prepare-mime-display)))
7100 (goto-char (if (, backward) start end))
7102 (gnus-summary-search-article-highlight-goto-x-face (point)))
7103 (setq gnus-summary-search-article-matched-data
7104 (list start end (buffer-substring start end)))
7105 (unless (eq start end);; matched text has been deleted. :-<
7106 (put-text-property start end 'face
7107 (or (find-face 'isearch)
7108 'secondary-selection))))))
7111 (defun gnus-summary-search-article (regexp &optional backward)
7112 "Search for an article containing REGEXP.
7113 Optional argument BACKWARD means do search for backward.
7114 `gnus-select-article-hook' is not called during the search."
7115 ;; We have to require this here to make sure that the following
7116 ;; dynamic binding isn't shadowed by autoloading.
7117 (require 'gnus-async)
7119 (let ((gnus-select-article-hook nil) ;Disable hook.
7120 (gnus-article-display-hook nil)
7121 (gnus-article-prepare-hook nil)
7122 (gnus-mark-article-hook nil) ;Inhibit marking as read.
7123 (gnus-use-article-prefetch nil)
7124 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
7125 (gnus-use-trees nil) ;Inhibit updating tree buffer.
7126 (sum (current-buffer))
7129 (gnus-save-hidden-threads
7130 (static-if (featurep 'xemacs)
7131 (let ((gnus-inhibit-treatment t))
7132 (setq treated (eq 'old (gnus-summary-select-article)))
7134 (not (and (gnus-buffer-live-p gnus-article-buffer)
7135 (window-live-p (get-buffer-window
7136 gnus-article-buffer t)))))
7137 (gnus-summary-select-article nil t)
7138 (setq treated nil)))
7139 (let ((gnus-inhibit-treatment t)
7140 (x-face-mule-delete-x-face-field 'never))
7141 (setq treated (eq 'old (gnus-summary-select-article)))
7144 (and (gnus-buffer-live-p gnus-article-buffer)
7145 (window-live-p (get-buffer-window
7146 gnus-article-buffer t))
7147 (or (not (string-match "^\\^X-Face:" regexp))
7148 (with-current-buffer gnus-article-buffer
7149 gnus-summary-search-article-matched-data)))))
7150 (gnus-summary-select-article nil t)
7151 (setq treated nil))))
7152 (set-buffer gnus-article-buffer)
7156 (gnus-article-show-all-headers)
7157 (gnus-summary-search-article-position-point regexp backward))
7158 (goto-char (if backward (point-max) (point-min))))
7160 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
7162 (re-search-backward regexp nil t)
7163 (re-search-forward regexp nil t))
7164 ;; We found the regexp.
7166 (gnus-summary-search-article-highlight-matched-text
7167 backward treated (string-match "^\\^X-Face:" regexp))
7170 (/ (- 2 (window-height
7171 (get-buffer-window gnus-article-buffer t)))
7174 (get-buffer-window (current-buffer))
7177 (setq point (point)))
7178 ;; We didn't find it, so we go to the next article.
7181 (while (eq found 'not)
7182 (if (not (if backward (gnus-summary-find-prev)
7183 (gnus-summary-find-next)))
7184 ;; No more articles.
7186 ;; Select the next article and adjust point.
7187 (unless (gnus-summary-article-sparse-p
7188 (gnus-summary-article-number))
7190 (let ((gnus-inhibit-treatment t))
7191 (gnus-summary-select-article))
7193 (set-buffer gnus-article-buffer)
7195 (goto-char (if backward (point-max) (point-min))))))))
7196 (gnus-message 7 ""))
7197 ;; Return whether we found the regexp.
7198 (when (eq found 'found)
7200 (gnus-summary-show-thread)
7201 (gnus-summary-goto-subject gnus-current-article)
7202 (gnus-summary-position-point)
7205 (defun gnus-summary-find-matching (header regexp &optional backward unread
7207 "Return a list of all articles that match REGEXP on HEADER.
7208 The search stars on the current article and goes forwards unless
7209 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
7210 If UNREAD is non-nil, only unread articles will
7211 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
7212 in the comparisons."
7213 (let ((data (if (eq backward 'all) gnus-newsgroup-data
7214 (gnus-data-find-list
7215 (gnus-summary-article-number) (gnus-data-list backward))))
7216 (case-fold-search (not not-case-fold))
7219 (if (eq (car header) 'extra)
7222 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
7224 (error "%s is an invalid header" header))
7225 (unless (fboundp (intern (concat "mail-header-" header)))
7226 (error "%s is not a valid header" header))
7227 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
7230 (and (or (not unread) ; We want all articles...
7231 (gnus-data-unread-p d)) ; Or just unreads.
7232 (vectorp (gnus-data-header d)) ; It's not a pseudo.
7233 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
7234 (push (gnus-data-number d) articles)) ; Success!
7235 (setq data (cdr data)))
7236 (nreverse articles)))
7238 (defun gnus-summary-execute-command (header regexp command &optional backward)
7239 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
7240 If HEADER is an empty string (or nil), the match is done on the entire
7241 article. If BACKWARD (the prefix) is non-nil, search backward instead."
7243 (list (let ((completion-ignore-case t))
7246 (mapcar (lambda (string) (list string))
7247 '("Number" "Subject" "From" "Lines" "Date"
7248 "Message-ID" "Xref" "References" "Body"))
7249 nil 'require-match))
7250 (read-string "Regexp: ")
7251 (read-key-sequence "Command: ")
7252 current-prefix-arg))
7253 (when (equal header "Body")
7255 ;; Hidden thread subtrees must be searched as well.
7256 (gnus-summary-show-all-threads)
7257 ;; We don't want to change current point nor window configuration.
7259 (save-window-excursion
7260 (gnus-message 6 "Executing %s..." (key-description command))
7261 ;; We'd like to execute COMMAND interactively so as to give arguments.
7262 (gnus-execute header regexp
7263 `(call-interactively ',(key-binding command))
7265 (gnus-message 6 "Executing %s...done" (key-description command)))))
7267 (defun gnus-summary-beginning-of-article ()
7268 "Scroll the article back to the beginning."
7270 (gnus-summary-select-article)
7271 (gnus-configure-windows 'article)
7272 (gnus-eval-in-buffer-window gnus-article-buffer
7274 (goto-char (point-min))
7275 (when gnus-page-broken
7276 (gnus-narrow-to-page))))
7278 (defun gnus-summary-end-of-article ()
7279 "Scroll to the end of the article."
7281 (gnus-summary-select-article)
7282 (gnus-configure-windows 'article)
7283 (gnus-eval-in-buffer-window gnus-article-buffer
7285 (goto-char (point-max))
7287 (when gnus-page-broken
7288 (gnus-narrow-to-page))))
7290 (defun gnus-summary-print-article (&optional filename n)
7291 "Generate and print a PostScript image of the N next (mail) articles.
7293 If N is negative, print the N previous articles. If N is nil and articles
7294 have been marked with the process mark, print these instead.
7296 If the optional first argument FILENAME is nil, send the image to the
7297 printer. If FILENAME is a string, save the PostScript image in a file with
7298 that name. If FILENAME is a number, prompt the user for the name of the file
7300 (interactive (list (ps-print-preprint current-prefix-arg)
7301 current-prefix-arg))
7302 (dolist (article (gnus-summary-work-articles n))
7303 (gnus-summary-select-article nil nil 'pseudo article)
7304 (gnus-eval-in-buffer-window gnus-article-buffer
7305 (let ((buffer (generate-new-buffer " *print*")))
7308 (copy-to-buffer buffer (point-min) (point-max))
7310 (gnus-article-delete-invisible-text)
7311 (let ((ps-left-header
7314 (mail-header-subject gnus-current-headers) ")")
7316 (mail-header-from gnus-current-headers) ")")))
7319 "/pagenumberstring load"
7321 (mail-header-date gnus-current-headers) ")"))))
7322 (gnus-run-hooks 'gnus-ps-print-hook)
7324 (ps-print-buffer-with-faces filename))))
7325 (kill-buffer buffer))))))
7327 (defun gnus-summary-show-article (&optional arg)
7328 "Force re-fetching of the current article.
7329 If ARG (the prefix) is a number, show the article with the charset
7330 defined in `gnus-summary-show-article-charset-alist', or the charset
7332 If ARG (the prefix) is non-nil and not a number, show the raw article
7333 without any article massaging functions being run."
7337 (let ((gnus-newsgroup-charset
7338 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
7339 (read-coding-system "Charset: ")))
7340 (gnus-newsgroup-ignored-charsets 'gnus-all))
7341 (gnus-summary-select-article nil 'force)))
7343 ;; Select the article the normal way.
7344 (gnus-summary-select-article nil 'force))
7346 ;; We have to require this here to make sure that the following
7347 ;; dynamic binding isn't shadowed by autoloading.
7348 (require 'gnus-async)
7350 ;; Bind the article treatment functions to nil.
7351 (let ((gnus-have-all-headers t)
7352 gnus-article-display-hook
7353 gnus-article-prepare-hook
7354 gnus-article-decode-hook
7357 (gnus-summary-select-article nil 'force))))
7358 (gnus-summary-goto-subject gnus-current-article)
7359 (gnus-summary-position-point))
7361 (defun gnus-summary-verbose-headers (&optional arg)
7362 "Toggle permanent full header display.
7363 If ARG is a positive number, turn header display on.
7364 If ARG is a negative number, turn header display off."
7366 (setq gnus-show-all-headers
7367 (cond ((or (not (numberp arg))
7369 (not gnus-show-all-headers))
7372 (gnus-summary-show-article))
7374 (defun gnus-summary-toggle-header (&optional arg)
7375 "Show the headers if they are hidden, or hide them if they are shown.
7376 If ARG is a positive number, show the entire header.
7377 If ARG is a negative number, hide the unwanted header lines."
7380 (set-buffer gnus-article-buffer)
7382 (let* ((buffer-read-only nil)
7383 (inhibit-point-motion-hooks t)
7389 (article-narrow-to-head)
7390 (gnus-article-hidden-text-p 'headers))))
7391 (goto-char (point-min))
7392 (when (search-forward "\n\n" nil t)
7393 (delete-region (point-min) (1- (point))))
7394 (goto-char (point-min))
7396 (set-buffer gnus-original-article-buffer)
7397 (goto-char (point-min))
7398 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
7399 (insert-buffer-substring gnus-original-article-buffer 1 e)
7401 (narrow-to-region (point-min) (point))
7402 (article-decode-encoded-words)
7404 (let ((gnus-treat-hide-headers nil)
7405 (gnus-treat-hide-boring-headers nil))
7406 (gnus-treat-article 'head))
7407 (gnus-treat-article 'head)))))))
7409 (defun gnus-summary-show-all-headers ()
7410 "Make all header lines visible."
7412 (gnus-article-show-all-headers))
7414 (defun gnus-summary-toggle-mime (&optional arg)
7415 "Toggle MIME processing.
7416 If ARG is a positive number, turn MIME processing on."
7418 (setq gnus-show-mime
7420 (not gnus-show-mime)
7421 (> (prefix-numeric-value arg) 0)))
7422 (gnus-summary-select-article t 'force))
7424 (defun gnus-summary-caesar-message (&optional arg)
7425 "Caesar rotate the current article by 13.
7426 The numerical prefix specifies how many places to rotate each letter
7429 (gnus-summary-select-article)
7430 (let ((mail-header-separator ""))
7431 (gnus-eval-in-buffer-window gnus-article-buffer
7434 (let ((start (window-start))
7436 (message-caesar-buffer-body arg)
7437 (set-window-start (get-buffer-window (current-buffer)) start))))))
7439 (defun gnus-summary-stop-page-breaking ()
7440 "Stop page breaking in the current article."
7442 (gnus-summary-select-article)
7443 (gnus-eval-in-buffer-window gnus-article-buffer
7445 (when (gnus-visual-p 'page-marker)
7446 (let ((buffer-read-only nil))
7447 (gnus-remove-text-with-property 'gnus-prev)
7448 (gnus-remove-text-with-property 'gnus-next))
7449 (setq gnus-page-broken nil))))
7451 (defun gnus-summary-move-article (&optional n to-newsgroup
7452 select-method action)
7453 "Move the current article to a different newsgroup.
7454 If N is a positive number, move the N next articles.
7455 If N is a negative number, move the N previous articles.
7456 If N is nil and any articles have been marked with the process mark,
7457 move those articles instead.
7458 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7459 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7460 re-spool using this method.
7462 For this function to work, both the current newsgroup and the
7463 newsgroup that you want to move to have to support the `request-move'
7464 and `request-accept' functions.
7466 ACTION can be either `move' (the default), `crosspost' or `copy'."
7469 (setq action 'move))
7470 ;; Disable marking as read.
7471 (let (gnus-mark-article-hook)
7472 (save-window-excursion
7473 (gnus-summary-select-article)))
7474 ;; Check whether the source group supports the required functions.
7475 (cond ((and (eq action 'move)
7476 (not (gnus-check-backend-function
7477 'request-move-article gnus-newsgroup-name)))
7478 (error "The current group does not support article moving"))
7479 ((and (eq action 'crosspost)
7480 (not (gnus-check-backend-function
7481 'request-replace-article gnus-newsgroup-name)))
7482 (error "The current group does not support article editing")))
7483 (let ((articles (gnus-summary-work-articles n))
7484 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
7485 (names '((move "Move" "Moving")
7486 (copy "Copy" "Copying")
7487 (crosspost "Crosspost" "Crossposting")))
7488 (copy-buf (save-excursion
7489 (nnheader-set-temp-buffer " *copy article*")))
7490 (default-marks gnus-article-mark-lists)
7491 (no-expire-marks (delete '(expirable . expire)
7492 (copy-sequence gnus-article-mark-lists)))
7493 art-group to-method new-xref article to-groups)
7494 (unless (assq action names)
7495 (error "Unknown action %s" action))
7496 ;; Read the newsgroup name.
7497 (when (and (not to-newsgroup)
7498 (not select-method))
7500 (gnus-read-move-group-name
7501 (cadr (assq action names))
7502 (symbol-value (intern (format "gnus-current-%s-group" action)))
7504 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
7505 (setq to-method (or select-method
7506 (gnus-group-name-to-method to-newsgroup)))
7507 ;; Check the method we are to move this article to...
7508 (unless (gnus-check-backend-function
7509 'request-accept-article (car to-method))
7510 (error "%s does not support article copying" (car to-method)))
7511 (unless (gnus-check-server to-method)
7512 (error "Can't open server %s" (car to-method)))
7513 (gnus-message 6 "%s to %s: %s..."
7514 (caddr (assq action names))
7515 (or (car select-method) to-newsgroup) articles)
7517 (setq article (pop articles))
7521 ;; Move the article.
7523 ;; Remove this article from future suppression.
7524 (gnus-dup-unsuppress-article article)
7525 (gnus-request-move-article
7526 article ; Article to move
7527 gnus-newsgroup-name ; From newsgroup
7528 (nth 1 (gnus-find-method-for-group
7529 gnus-newsgroup-name)) ; Server
7530 (list 'gnus-request-accept-article
7531 to-newsgroup (list 'quote select-method)
7532 (not articles) t) ; Accept form
7533 (not articles))) ; Only save nov last time
7534 ;; Copy the article.
7537 (set-buffer copy-buf)
7538 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
7539 (gnus-request-accept-article
7540 to-newsgroup select-method (not articles) t))))
7541 ;; Crosspost the article.
7542 ((eq action 'crosspost)
7543 (let ((xref (message-tokenize-header
7544 (mail-header-xref (gnus-summary-article-header article))
7546 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7549 (setq xref (list (system-name))))
7552 (mapconcat 'identity
7553 (delete "Xref:" (delete new-xref xref))
7557 (set-buffer copy-buf)
7558 ;; First put the article in the destination group.
7559 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7560 (when (consp (setq art-group
7561 (gnus-request-accept-article
7562 to-newsgroup select-method (not articles))))
7563 (setq new-xref (concat new-xref " " (car art-group)
7564 ":" (cdr art-group)))
7565 ;; Now we have the new Xrefs header, so we insert
7566 ;; it and replace the new article.
7567 (nnheader-replace-header "Xref" new-xref)
7568 (gnus-request-replace-article
7569 (cdr art-group) to-newsgroup (current-buffer))
7573 (gnus-message 1 "Couldn't %s article %s: %s"
7574 (cadr (assq action names)) article
7575 (nnheader-get-report (car to-method))))
7576 ((and (eq art-group 'junk)
7578 (gnus-summary-mark-article article gnus-canceled-mark)
7579 (gnus-message 4 "Deleted article %s" article))
7581 (let* ((pto-group (gnus-group-prefixed-name
7582 (car art-group) to-method))
7584 (gnus-gethash pto-group gnus-newsrc-hashtb))
7585 (info (nth 2 entry))
7586 (to-group (gnus-info-group info))
7588 ;; Update the group that has been moved to.
7590 (memq action '(move copy)))
7591 (unless (member to-group to-groups)
7592 (push to-group to-groups))
7594 (unless (memq article gnus-newsgroup-unreads)
7595 (push 'read to-marks)
7597 info (gnus-add-to-range (gnus-info-read info)
7598 (list (cdr art-group)))))
7600 ;; See whether the article is to be put in the cache.
7601 (let ((marks (if (gnus-group-auto-expirable-p to-group)
7604 (to-article (cdr art-group)))
7606 ;; Enter the article into the cache in the new group,
7607 ;; if that is required.
7608 (when gnus-use-cache
7609 (gnus-cache-possibly-enter-article
7611 (let ((header (copy-sequence
7612 (gnus-summary-article-header article))))
7613 (mail-header-set-number header to-article)
7615 (memq article gnus-newsgroup-marked)
7616 (memq article gnus-newsgroup-dormant)
7617 (memq article gnus-newsgroup-unreads)))
7619 (when gnus-preserve-marks
7620 ;; Copy any marks over to the new group.
7621 (when (and (equal to-group gnus-newsgroup-name)
7622 (not (memq article gnus-newsgroup-unreads)))
7623 ;; Mark this article as read in this group.
7624 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7625 (setcdr (gnus-active to-group) to-article)
7626 (setcdr gnus-newsgroup-active to-article))
7629 (when (memq article (symbol-value
7630 (intern (format "gnus-newsgroup-%s"
7632 (push (cdar marks) to-marks)
7633 ;; If the other group is the same as this group,
7634 ;; then we have to add the mark to the list.
7635 (when (equal to-group gnus-newsgroup-name)
7636 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7639 (intern (format "gnus-newsgroup-%s"
7641 ;; Copy the marks to other group.
7642 (gnus-add-marked-articles
7643 to-group (cdar marks) (list to-article) info))
7644 (setq marks (cdr marks)))
7646 (gnus-request-set-mark to-group (list (list (list to-article)
7651 (concat "(gnus-group-set-info '"
7652 (gnus-prin1-to-string (gnus-get-info to-group))
7655 ;; Update the Xref header in this article to point to
7656 ;; the new crossposted article we have just created.
7657 (when (eq action 'crosspost)
7659 (set-buffer copy-buf)
7660 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7661 (nnheader-replace-header "Xref" new-xref)
7662 (gnus-request-replace-article
7663 article gnus-newsgroup-name (current-buffer)))))
7665 ;;;!!!Why is this necessary?
7666 (set-buffer gnus-summary-buffer)
7668 (gnus-summary-goto-subject article)
7669 (when (eq action 'move)
7670 (gnus-summary-mark-article article gnus-canceled-mark))))
7671 (gnus-summary-remove-process-mark article))
7672 ;; Re-activate all groups that have been moved to.
7675 (set-buffer gnus-group-buffer)
7676 (when (gnus-group-goto-group (car to-groups) t)
7677 (gnus-group-get-new-news-this-group 1 t))
7680 (gnus-kill-buffer copy-buf)
7681 (gnus-summary-position-point)
7682 (gnus-set-mode-line 'summary)))
7684 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7685 "Move the current article to a different newsgroup.
7686 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7687 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7688 re-spool using this method."
7690 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7692 (defun gnus-summary-crosspost-article (&optional n)
7693 "Crosspost the current article to some other group."
7695 (gnus-summary-move-article n nil nil 'crosspost))
7697 (defcustom gnus-summary-respool-default-method nil
7698 "Default method for respooling an article.
7699 If nil, use to the current newsgroup method."
7700 :type '(choice (gnus-select-method :value (nnml ""))
7702 :group 'gnus-summary-mail)
7704 (defun gnus-summary-respool-article (&optional n method)
7705 "Respool the current article.
7706 The article will be squeezed through the mail spooling process again,
7707 which means that it will be put in some mail newsgroup or other
7708 depending on `nnmail-split-methods'.
7709 If N is a positive number, respool the N next articles.
7710 If N is a negative number, respool the N previous articles.
7711 If N is nil and any articles have been marked with the process mark,
7712 respool those articles instead.
7714 Respooling can be done both from mail groups and \"real\" newsgroups.
7715 In the former case, the articles in question will be moved from the
7716 current group into whatever groups they are destined to. In the
7717 latter case, they will be copied into the relevant groups."
7719 (list current-prefix-arg
7720 (let* ((methods (gnus-methods-using 'respool))
7722 (symbol-name (or gnus-summary-respool-default-method
7723 (car (gnus-find-method-for-group
7724 gnus-newsgroup-name)))))
7726 (gnus-completing-read
7727 methname "What backend do you want to use when respooling?"
7728 methods nil t nil 'gnus-mail-method-history))
7731 ((zerop (length (setq ms (gnus-servers-using-backend
7733 (list (intern method) ""))
7737 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7738 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7741 (error "No method given for respooling"))
7742 (if (assoc (symbol-name
7743 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7744 (gnus-methods-using 'respool))
7745 (gnus-summary-move-article n nil method)
7746 (gnus-summary-copy-article n nil method)))
7748 (defun gnus-summary-import-article (file)
7749 "Import an arbitrary file into a mail newsgroup."
7750 (interactive "fImport file: ")
7751 (let ((group gnus-newsgroup-name)
7752 (now (current-time))
7754 (unless (gnus-check-backend-function 'request-accept-article group)
7755 (error "%s does not support article importing" group))
7756 (or (file-readable-p file)
7757 (not (file-regular-p file))
7758 (error "Can't read %s" file))
7760 (set-buffer (gnus-get-buffer-create " *import file*"))
7762 (nnheader-insert-file-contents file)
7763 (goto-char (point-min))
7764 (unless (nnheader-article-p)
7765 ;; This doesn't look like an article, so we fudge some headers.
7766 (setq atts (file-attributes file)
7767 lines (count-lines (point-min) (point-max)))
7768 (insert "From: " (read-string "From: ") "\n"
7769 "Subject: " (read-string "Subject: ") "\n"
7770 "Date: " (message-make-date (nth 5 atts))
7772 "Message-ID: " (message-make-message-id) "\n"
7773 "Lines: " (int-to-string lines) "\n"
7774 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7775 (gnus-request-accept-article group nil t)
7776 (kill-buffer (current-buffer)))))
7778 (defun gnus-summary-article-posted-p ()
7779 "Say whether the current (mail) article is available from news as well.
7780 This will be the case if the article has both been mailed and posted."
7782 (let ((id (mail-header-references (gnus-summary-article-header)))
7783 (gnus-override-method (car (gnus-refer-article-methods))))
7784 (if (gnus-request-head id "")
7785 (gnus-message 2 "The current message was found on %s"
7786 gnus-override-method)
7787 (gnus-message 2 "The current message couldn't be found on %s"
7788 gnus-override-method)
7791 (defun gnus-summary-expire-articles (&optional now)
7792 "Expire all articles that are marked as expirable in the current group."
7794 (when (gnus-check-backend-function
7795 'request-expire-articles gnus-newsgroup-name)
7796 ;; This backend supports expiry.
7797 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7798 (expirable (if total
7800 ;; We need to update the info for
7801 ;; this group for `gnus-list-of-read-articles'
7802 ;; to give us the right answer.
7803 (gnus-run-hooks 'gnus-exit-group-hook)
7804 (gnus-summary-update-info)
7805 (gnus-list-of-read-articles gnus-newsgroup-name))
7806 (setq gnus-newsgroup-expirable
7807 (sort gnus-newsgroup-expirable '<))))
7808 (expiry-wait (if now 'immediate
7809 (gnus-group-find-parameter
7810 gnus-newsgroup-name 'expiry-wait)))
7813 ;; There are expirable articles in this group, so we run them
7814 ;; through the expiry process.
7815 (gnus-message 6 "Expiring articles...")
7816 (unless (gnus-check-group gnus-newsgroup-name)
7817 (error "Can't open server for %s" gnus-newsgroup-name))
7818 ;; The list of articles that weren't expired is returned.
7821 (let ((nnmail-expiry-wait-function nil)
7822 (nnmail-expiry-wait expiry-wait))
7823 (setq es (gnus-request-expire-articles
7824 expirable gnus-newsgroup-name)))
7825 (setq es (gnus-request-expire-articles
7826 expirable gnus-newsgroup-name))))
7828 (setq gnus-newsgroup-expirable es))
7829 ;; We go through the old list of expirable, and mark all
7830 ;; really expired articles as nonexistent.
7831 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7832 (let ((gnus-use-cache nil))
7834 (unless (memq (car expirable) es)
7835 (when (gnus-data-find (car expirable))
7836 (gnus-summary-mark-article
7837 (car expirable) gnus-canceled-mark)))
7838 (setq expirable (cdr expirable)))))
7839 (gnus-message 6 "Expiring articles...done")))))
7841 (defun gnus-summary-expire-articles-now ()
7842 "Expunge all expirable articles in the current group.
7843 This means that *all* articles that are marked as expirable will be
7844 deleted forever, right now."
7846 (or gnus-expert-user
7848 "Are you really, really, really sure you want to delete all these messages? ")
7850 (gnus-summary-expire-articles t))
7852 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7853 (defun gnus-summary-delete-article (&optional n)
7854 "Delete the N next (mail) articles.
7855 This command actually deletes articles. This is not a marking
7856 command. The article will disappear forever from your life, never to
7858 If N is negative, delete backwards.
7859 If N is nil and articles have been marked with the process mark,
7860 delete these instead."
7862 (unless (gnus-check-backend-function 'request-expire-articles
7863 gnus-newsgroup-name)
7864 (error "The current newsgroup does not support article deletion"))
7865 ;; Compute the list of articles to delete.
7866 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7868 (if (and gnus-novice-user
7869 (not (gnus-yes-or-no-p
7870 (format "Do you really want to delete %s forever? "
7871 (if (> (length articles) 1)
7872 (format "these %s articles" (length articles))
7875 ;; Delete the articles.
7876 (setq not-deleted (gnus-request-expire-articles
7877 articles gnus-newsgroup-name 'force))
7879 (gnus-summary-remove-process-mark (car articles))
7880 ;; The backend might not have been able to delete the article
7882 (unless (memq (car articles) not-deleted)
7883 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7884 (setq articles (cdr articles)))
7886 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7887 (gnus-summary-position-point)
7888 (gnus-set-mode-line 'summary)
7891 (defun gnus-summary-edit-article (&optional force)
7892 "Edit the current article.
7893 This will have permanent effect only in mail groups.
7894 If FORCE is non-nil, allow editing of articles even in read-only
7898 (set-buffer gnus-summary-buffer)
7899 (let ((mail-parse-charset gnus-newsgroup-charset)
7900 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
7901 (gnus-set-global-variables)
7902 (when (and (not force)
7903 (gnus-group-read-only-p))
7904 (error "The current newsgroup does not support article editing"))
7905 (gnus-summary-show-article t)
7906 (gnus-article-edit-article
7908 `(lambda (no-highlight)
7909 (let ((mail-parse-charset ',gnus-newsgroup-charset)
7910 (mail-parse-ignored-charsets
7911 ',gnus-newsgroup-ignored-charsets))
7912 (gnus-summary-edit-article-done
7913 ,(or (mail-header-references gnus-current-headers) "")
7914 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
7916 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7918 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7920 "Make edits to the current article permanent."
7922 ;; Replace the article.
7923 (let ((buf (current-buffer)))
7925 (insert-buffer-substring buf)
7926 (if (and (not read-only)
7927 (not (gnus-request-replace-article
7928 (cdr gnus-article-current) (car gnus-article-current)
7929 (current-buffer) t)))
7930 (error "Couldn't replace article")
7931 ;; Update the summary buffer.
7933 (equal (message-tokenize-header references " ")
7934 (message-tokenize-header
7935 (or (message-fetch-field "references") "") " ")))
7936 ;; We only have to update this line.
7939 (message-narrow-to-head)
7940 (let ((head (buffer-string))
7943 (insert (format "211 %d Article retrieved.\n"
7944 (cdr gnus-article-current)))
7947 (let ((nntp-server-buffer (current-buffer)))
7948 (setq header (car (gnus-get-newsgroup-headers
7950 (set-buffer gnus-summary-buffer)
7951 gnus-newsgroup-dependencies)
7954 (set-buffer gnus-summary-buffer)
7955 (gnus-data-set-header
7956 (gnus-data-find (cdr gnus-article-current))
7958 (gnus-summary-update-article-line
7959 (cdr gnus-article-current) header))))))
7961 (set-buffer (or buffer gnus-summary-buffer))
7962 (gnus-summary-update-article (cdr gnus-article-current)))
7963 ;; Prettify the article buffer again.
7964 (unless no-highlight
7966 (set-buffer gnus-article-buffer)
7967 ;;;!!! Fix this -- article should be rehighlighted.
7968 ;;;(gnus-run-hooks 'gnus-article-display-hook)
7969 (set-buffer gnus-original-article-buffer)
7970 (gnus-request-article
7971 (cdr gnus-article-current)
7972 (car gnus-article-current) (current-buffer))))
7973 ;; Prettify the summary buffer line.
7974 (when (gnus-visual-p 'summary-highlight 'highlight)
7975 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
7977 (defun gnus-summary-edit-wash (key)
7978 "Perform editing command KEY in the article buffer."
7982 (message "%s" (concat (this-command-keys) "- "))
7985 (gnus-summary-edit-article)
7986 (execute-kbd-macro (concat (this-command-keys) key))
7987 (gnus-article-edit-done))
7991 (defun gnus-summary-respool-query (&optional silent trace)
7992 "Query where the respool algorithm would put this article."
7994 (let (gnus-mark-article-hook)
7995 (gnus-summary-select-article)
7997 (set-buffer gnus-original-article-buffer)
7999 (message-narrow-to-head)
8000 (let ((groups (nnmail-article-group 'identity trace)))
8003 (message "This message would go to %s"
8004 (mapconcat 'car groups ", "))
8005 (message "This message would go to no groups"))
8008 (defun gnus-summary-respool-trace ()
8009 "Trace where the respool algorithm would put this article.
8010 Display a buffer showing all fancy splitting patterns which matched."
8012 (gnus-summary-respool-query nil t))
8014 ;; Summary marking commands.
8016 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
8017 "Mark articles which has the same subject as read, and then select the next.
8018 If UNMARK is positive, remove any kind of mark.
8019 If UNMARK is negative, tick articles."
8022 (setq unmark (prefix-numeric-value unmark)))
8024 (gnus-summary-mark-same-subject
8025 (gnus-summary-article-subject) unmark)))
8026 ;; Select next unread article. If auto-select-same mode, should
8027 ;; select the first unread article.
8028 (gnus-summary-next-article t (and gnus-auto-select-same
8029 (gnus-summary-article-subject)))
8030 (gnus-message 7 "%d article%s marked as %s"
8031 count (if (= count 1) " is" "s are")
8032 (if unmark "unread" "read"))))
8034 (defun gnus-summary-kill-same-subject (&optional unmark)
8035 "Mark articles which has the same subject as read.
8036 If UNMARK is positive, remove any kind of mark.
8037 If UNMARK is negative, tick articles."
8040 (setq unmark (prefix-numeric-value unmark)))
8042 (gnus-summary-mark-same-subject
8043 (gnus-summary-article-subject) unmark)))
8044 ;; If marked as read, go to next unread subject.
8046 ;; Go to next unread subject.
8047 (gnus-summary-next-subject 1 t))
8048 (gnus-message 7 "%d articles are marked as %s"
8049 count (if unmark "unread" "read"))))
8051 (defun gnus-summary-mark-same-subject (subject &optional unmark)
8052 "Mark articles with same SUBJECT as read, and return marked number.
8053 If optional argument UNMARK is positive, remove any kinds of marks.
8054 If optional argument UNMARK is negative, mark articles as unread instead."
8058 ((null unmark) ; Mark as read.
8061 (gnus-summary-mark-article-as-read gnus-killed-mark)
8062 (gnus-summary-show-thread) t)
8063 (gnus-summary-find-subject subject))
8064 (setq count (1+ count))))
8065 ((> unmark 0) ; Tick.
8068 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
8069 (gnus-summary-show-thread) t)
8070 (gnus-summary-find-subject subject))
8071 (setq count (1+ count))))
8072 (t ; Mark as unread.
8075 (gnus-summary-mark-article-as-unread gnus-unread-mark)
8076 (gnus-summary-show-thread) t)
8077 (gnus-summary-find-subject subject))
8078 (setq count (1+ count)))))
8079 (gnus-set-mode-line 'summary)
8080 ;; Return the number of marked articles.
8083 (defun gnus-summary-mark-as-processable (n &optional unmark)
8084 "Set the process mark on the next N articles.
8085 If N is negative, mark backward instead. If UNMARK is non-nil, remove
8086 the process mark instead. The difference between N and the actual
8087 number of articles marked is returned."
8089 (let ((backward (< n 0))
8094 (gnus-summary-remove-process-mark
8095 (gnus-summary-article-number))
8096 (gnus-summary-set-process-mark (gnus-summary-article-number)))
8097 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
8100 (gnus-message 7 "No more articles"))
8101 (gnus-summary-recenter)
8102 (gnus-summary-position-point)
8105 (defun gnus-summary-unmark-as-processable (n)
8106 "Remove the process mark from the next N articles.
8107 If N is negative, unmark backward instead. The difference between N and
8108 the actual number of articles unmarked is returned."
8110 (gnus-summary-mark-as-processable n t))
8112 (defun gnus-summary-unmark-all-processable ()
8113 "Remove the process mark from all articles."
8116 (while gnus-newsgroup-processable
8117 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
8118 (gnus-summary-position-point))
8120 (defun gnus-summary-mark-as-expirable (n)
8121 "Mark N articles forward as expirable.
8122 If N is negative, mark backward instead. The difference between N and
8123 the actual number of articles marked is returned."
8125 (gnus-summary-mark-forward n gnus-expirable-mark))
8127 (defun gnus-summary-mark-article-as-replied (article)
8128 "Mark ARTICLE replied and update the summary line."
8129 (push article gnus-newsgroup-replied)
8130 (let ((buffer-read-only nil))
8131 (when (gnus-summary-goto-subject article nil t)
8132 (gnus-summary-update-secondary-mark article))))
8134 (defun gnus-summary-set-bookmark (article)
8135 "Set a bookmark in current article."
8136 (interactive (list (gnus-summary-article-number)))
8137 (when (or (not (get-buffer gnus-article-buffer))
8138 (not gnus-current-article)
8139 (not gnus-article-current)
8140 (not (equal gnus-newsgroup-name (car gnus-article-current))))
8141 (error "No current article selected"))
8142 ;; Remove old bookmark, if one exists.
8143 (let ((old (assq article gnus-newsgroup-bookmarks)))
8145 (setq gnus-newsgroup-bookmarks
8146 (delq old gnus-newsgroup-bookmarks))))
8147 ;; Set the new bookmark, which is on the form
8148 ;; (article-number . line-number-in-body).
8152 (set-buffer gnus-article-buffer)
8156 (goto-char (point-min))
8157 (search-forward "\n\n" nil t)
8160 gnus-newsgroup-bookmarks)
8161 (gnus-message 6 "A bookmark has been added to the current article."))
8163 (defun gnus-summary-remove-bookmark (article)
8164 "Remove the bookmark from the current article."
8165 (interactive (list (gnus-summary-article-number)))
8166 ;; Remove old bookmark, if one exists.
8167 (let ((old (assq article gnus-newsgroup-bookmarks)))
8170 (setq gnus-newsgroup-bookmarks
8171 (delq old gnus-newsgroup-bookmarks))
8172 (gnus-message 6 "Removed bookmark."))
8173 (gnus-message 6 "No bookmark in current article."))))
8175 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8176 (defun gnus-summary-mark-as-dormant (n)
8177 "Mark N articles forward as dormant.
8178 If N is negative, mark backward instead. The difference between N and
8179 the actual number of articles marked is returned."
8181 (gnus-summary-mark-forward n gnus-dormant-mark))
8183 (defun gnus-summary-set-process-mark (article)
8184 "Set the process mark on ARTICLE and update the summary line."
8185 (setq gnus-newsgroup-processable
8187 (delq article gnus-newsgroup-processable)))
8188 (when (gnus-summary-goto-subject article)
8189 (gnus-summary-show-thread)
8190 (gnus-summary-goto-subject article)
8191 (gnus-summary-update-secondary-mark article)))
8193 (defun gnus-summary-remove-process-mark (article)
8194 "Remove the process mark from ARTICLE and update the summary line."
8195 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
8196 (when (gnus-summary-goto-subject article)
8197 (gnus-summary-show-thread)
8198 (gnus-summary-goto-subject article)
8199 (gnus-summary-update-secondary-mark article)))
8201 (defun gnus-summary-set-saved-mark (article)
8202 "Set the process mark on ARTICLE and update the summary line."
8203 (push article gnus-newsgroup-saved)
8204 (when (gnus-summary-goto-subject article)
8205 (gnus-summary-update-secondary-mark article)))
8207 (defun gnus-summary-mark-forward (n &optional mark no-expire)
8208 "Mark N articles as read forwards.
8209 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
8210 The difference between N and the actual number of articles marked is
8212 Iff NO-EXPIRE, auto-expiry will be inhibited."
8214 (gnus-summary-show-thread)
8215 (let ((backward (< n 0))
8216 (gnus-summary-goto-unread
8217 (and gnus-summary-goto-unread
8218 (not (eq gnus-summary-goto-unread 'never))
8219 (not (memq mark (list gnus-unread-mark
8220 gnus-ticked-mark gnus-dormant-mark)))))
8222 (mark (or mark gnus-del-mark)))
8224 (gnus-summary-mark-article nil mark no-expire)
8225 (zerop (gnus-summary-next-subject
8227 (and gnus-summary-goto-unread
8228 (not (eq gnus-summary-goto-unread 'never)))
8232 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
8233 (gnus-summary-recenter)
8234 (gnus-summary-position-point)
8235 (gnus-set-mode-line 'summary)
8238 (defun gnus-summary-mark-article-as-read (mark)
8239 "Mark the current article quickly as read with MARK."
8240 (let ((article (gnus-summary-article-number)))
8241 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8242 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8243 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8244 (push (cons article mark) gnus-newsgroup-reads)
8245 ;; Possibly remove from cache, if that is used.
8246 (when gnus-use-cache
8247 (gnus-cache-enter-remove-article article))
8248 ;; Allow the backend to change the mark.
8249 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8250 ;; Check for auto-expiry.
8251 (when (and gnus-newsgroup-auto-expire
8252 (memq mark gnus-auto-expirable-marks))
8253 (setq mark gnus-expirable-mark)
8254 ;; Let the backend know about the mark change.
8255 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8256 (push article gnus-newsgroup-expirable))
8257 ;; Set the mark in the buffer.
8258 (gnus-summary-update-mark mark 'unread)
8261 (defun gnus-summary-mark-article-as-unread (mark)
8262 "Mark the current article quickly as unread with MARK."
8263 (let* ((article (gnus-summary-article-number))
8264 (old-mark (gnus-summary-article-mark article)))
8265 ;; Allow the backend to change the mark.
8266 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8267 (if (eq mark old-mark)
8271 (gnus-error 1 "Can't mark negative article numbers")
8273 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8274 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8275 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
8276 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
8277 (cond ((= mark gnus-ticked-mark)
8278 (push article gnus-newsgroup-marked))
8279 ((= mark gnus-dormant-mark)
8280 (push article gnus-newsgroup-dormant))
8282 (push article gnus-newsgroup-unreads)))
8283 (gnus-pull article gnus-newsgroup-reads)
8285 ;; See whether the article is to be put in the cache.
8287 (vectorp (gnus-summary-article-header article))
8289 (gnus-cache-possibly-enter-article
8290 gnus-newsgroup-name article
8291 (gnus-summary-article-header article)
8292 (= mark gnus-ticked-mark)
8293 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8296 (gnus-summary-update-mark mark 'unread)
8299 (defun gnus-summary-mark-article (&optional article mark no-expire)
8300 "Mark ARTICLE with MARK. MARK can be any character.
8301 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
8302 `??' (dormant) and `?E' (expirable).
8303 If MARK is nil, then the default character `?r' is used.
8304 If ARTICLE is nil, then the article on the current line will be
8306 Iff NO-EXPIRE, auto-expiry will be inhibited."
8307 ;; The mark might be a string.
8308 (when (stringp mark)
8309 (setq mark (aref mark 0)))
8310 ;; If no mark is given, then we check auto-expiring.
8312 (setq mark gnus-del-mark))
8313 (when (and (not no-expire)
8314 gnus-newsgroup-auto-expire
8315 (memq mark gnus-auto-expirable-marks))
8316 (setq mark gnus-expirable-mark))
8317 (let ((article (or article (gnus-summary-article-number)))
8318 (old-mark (gnus-summary-article-mark article)))
8319 ;; Allow the backend to change the mark.
8320 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
8321 (if (eq mark old-mark)
8324 (error "No article on current line"))
8325 (if (not (if (or (= mark gnus-unread-mark)
8326 (= mark gnus-ticked-mark)
8327 (= mark gnus-dormant-mark))
8328 (gnus-mark-article-as-unread article mark)
8329 (gnus-mark-article-as-read article mark)))
8331 ;; See whether the article is to be put in the cache.
8333 (not (= mark gnus-canceled-mark))
8334 (vectorp (gnus-summary-article-header article))
8336 (gnus-cache-possibly-enter-article
8337 gnus-newsgroup-name article
8338 (gnus-summary-article-header article)
8339 (= mark gnus-ticked-mark)
8340 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
8342 (when (gnus-summary-goto-subject article nil t)
8343 (let ((buffer-read-only nil))
8344 (gnus-summary-show-thread)
8346 (gnus-summary-update-mark mark 'unread)
8349 (defun gnus-summary-update-secondary-mark (article)
8350 "Update the secondary (read, process, cache) mark."
8351 (gnus-summary-update-mark
8352 (cond ((memq article gnus-newsgroup-processable)
8354 ((memq article gnus-newsgroup-cached)
8356 ((memq article gnus-newsgroup-replied)
8358 ((memq article gnus-newsgroup-saved)
8360 (t gnus-unread-mark))
8362 (when (gnus-visual-p 'summary-highlight 'highlight)
8363 (gnus-run-hooks 'gnus-summary-update-hook))
8366 (defun gnus-summary-update-mark (mark type)
8367 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
8368 (buffer-read-only nil))
8369 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
8371 (when (looking-at "\r")
8373 (when (<= (+ forward (point)) (point-max))
8374 ;; Go to the right position on the line.
8375 (goto-char (+ forward (point)))
8376 ;; Replace the old mark with the new mark.
8377 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
8378 ;; Optionally update the marks by some user rule.
8379 (when (eq type 'unread)
8381 (gnus-data-find (gnus-summary-article-number)) mark)
8382 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
8384 (defun gnus-mark-article-as-read (article &optional mark)
8385 "Enter ARTICLE in the pertinent lists and remove it from others."
8386 ;; Make the article expirable.
8387 (let ((mark (or mark gnus-del-mark)))
8388 (if (= mark gnus-expirable-mark)
8389 (push article gnus-newsgroup-expirable)
8390 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
8391 ;; Remove from unread and marked lists.
8392 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8393 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8394 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8395 (push (cons article mark) gnus-newsgroup-reads)
8396 ;; Possibly remove from cache, if that is used.
8397 (when gnus-use-cache
8398 (gnus-cache-enter-remove-article article))
8401 (defun gnus-mark-article-as-unread (article &optional mark)
8402 "Enter ARTICLE in the pertinent lists and remove it from others."
8403 (let ((mark (or mark gnus-ticked-mark)))
8406 (gnus-error 1 "Can't mark negative article numbers")
8408 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
8409 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
8410 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
8411 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8413 ;; Unsuppress duplicates?
8414 (when gnus-suppress-duplicates
8415 (gnus-dup-unsuppress-article article))
8417 (cond ((= mark gnus-ticked-mark)
8418 (push article gnus-newsgroup-marked))
8419 ((= mark gnus-dormant-mark)
8420 (push article gnus-newsgroup-dormant))
8422 (push article gnus-newsgroup-unreads)))
8423 (gnus-pull article gnus-newsgroup-reads)
8426 (defalias 'gnus-summary-mark-as-unread-forward
8427 'gnus-summary-tick-article-forward)
8428 (make-obsolete 'gnus-summary-mark-as-unread-forward
8429 'gnus-summary-tick-article-forward)
8430 (defun gnus-summary-tick-article-forward (n)
8431 "Tick N articles forwards.
8432 If N is negative, tick backwards instead.
8433 The difference between N and the number of articles ticked is returned."
8435 (gnus-summary-mark-forward n gnus-ticked-mark))
8437 (defalias 'gnus-summary-mark-as-unread-backward
8438 'gnus-summary-tick-article-backward)
8439 (make-obsolete 'gnus-summary-mark-as-unread-backward
8440 'gnus-summary-tick-article-backward)
8441 (defun gnus-summary-tick-article-backward (n)
8442 "Tick N articles backwards.
8443 The difference between N and the number of articles ticked is returned."
8445 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
8447 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8448 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8449 (defun gnus-summary-tick-article (&optional article clear-mark)
8450 "Mark current article as unread.
8451 Optional 1st argument ARTICLE specifies article number to be marked as unread.
8452 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
8454 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
8457 (defun gnus-summary-mark-as-read-forward (n)
8458 "Mark N articles as read forwards.
8459 If N is negative, mark backwards instead.
8460 The difference between N and the actual number of articles marked is
8463 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
8465 (defun gnus-summary-mark-as-read-backward (n)
8466 "Mark the N articles as read backwards.
8467 The difference between N and the actual number of articles marked is
8470 (gnus-summary-mark-forward
8471 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
8473 (defun gnus-summary-mark-as-read (&optional article mark)
8474 "Mark current article as read.
8475 ARTICLE specifies the article to be marked as read.
8476 MARK specifies a string to be inserted at the beginning of the line."
8477 (gnus-summary-mark-article article mark))
8479 (defun gnus-summary-clear-mark-forward (n)
8480 "Clear marks from N articles forward.
8481 If N is negative, clear backward instead.
8482 The difference between N and the number of marks cleared is returned."
8484 (gnus-summary-mark-forward n gnus-unread-mark))
8486 (defun gnus-summary-clear-mark-backward (n)
8487 "Clear marks from N articles backward.
8488 The difference between N and the number of marks cleared is returned."
8490 (gnus-summary-mark-forward (- n) gnus-unread-mark))
8492 (defun gnus-summary-mark-unread-as-read ()
8493 "Intended to be used by `gnus-summary-mark-article-hook'."
8494 (when (memq gnus-current-article gnus-newsgroup-unreads)
8495 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
8497 (defun gnus-summary-mark-read-and-unread-as-read ()
8498 "Intended to be used by `gnus-summary-mark-article-hook'."
8499 (let ((mark (gnus-summary-article-mark)))
8500 (when (or (gnus-unread-mark-p mark)
8501 (gnus-read-mark-p mark))
8502 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
8504 (defun gnus-summary-mark-region-as-read (point mark all)
8505 "Mark all unread articles between point and mark as read.
8506 If given a prefix, mark all articles between point and mark as read,
8507 even ticked and dormant ones."
8508 (interactive "r\nP")
8517 (memq (setq article (gnus-summary-article-number))
8518 gnus-newsgroup-unreads))
8519 (gnus-summary-mark-article article gnus-del-mark))
8521 (gnus-summary-find-next))))))
8523 (defun gnus-summary-mark-below (score mark)
8524 "Mark articles with score less than SCORE with MARK."
8525 (interactive "P\ncMark: ")
8526 (setq score (if score
8527 (prefix-numeric-value score)
8528 (or gnus-summary-default-score 0)))
8530 (set-buffer gnus-summary-buffer)
8531 (goto-char (point-min))
8534 (and (< (gnus-summary-article-score) score)
8535 (gnus-summary-mark-article nil mark))
8536 (gnus-summary-find-next)))))
8538 (defun gnus-summary-kill-below (&optional score)
8539 "Mark articles with score below SCORE as read."
8541 (gnus-summary-mark-below score gnus-killed-mark))
8543 (defun gnus-summary-clear-above (&optional score)
8544 "Clear all marks from articles with score above SCORE."
8546 (gnus-summary-mark-above score gnus-unread-mark))
8548 (defun gnus-summary-tick-above (&optional score)
8549 "Tick all articles with score above SCORE."
8551 (gnus-summary-mark-above score gnus-ticked-mark))
8553 (defun gnus-summary-mark-above (score mark)
8554 "Mark articles with score over SCORE with MARK."
8555 (interactive "P\ncMark: ")
8556 (setq score (if score
8557 (prefix-numeric-value score)
8558 (or gnus-summary-default-score 0)))
8560 (set-buffer gnus-summary-buffer)
8561 (goto-char (point-min))
8563 (when (> (gnus-summary-article-score) score)
8564 (gnus-summary-mark-article nil mark))
8566 (gnus-summary-find-next)))))
8568 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8569 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8570 (defun gnus-summary-limit-include-expunged (&optional no-error)
8571 "Display all the hidden articles that were expunged for low scores."
8573 (let ((buffer-read-only nil))
8574 (let ((scored gnus-newsgroup-scored)
8577 (unless (gnus-summary-goto-subject (caar scored))
8578 (and (setq h (gnus-summary-article-header (caar scored)))
8579 (< (cdar scored) gnus-summary-expunge-below)
8581 (setq scored (cdr scored)))
8583 (when (not no-error)
8584 (error "No expunged articles hidden"))
8585 (goto-char (point-min))
8586 (gnus-summary-prepare-unthreaded (nreverse headers))
8587 (goto-char (point-min))
8588 (gnus-summary-position-point)
8591 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8592 "Mark all unread articles in this newsgroup as read.
8593 If prefix argument ALL is non-nil, ticked and dormant articles will
8594 also be marked as read.
8595 If QUIETLY is non-nil, no questions will be asked.
8596 If TO-HERE is non-nil, it should be a point in the buffer. All
8597 articles before this point will be marked as read.
8598 Note that this function will only catch up the unread article
8599 in the current summary buffer limitation.
8600 The number of articles marked as read is returned."
8605 (not gnus-interactive-catchup) ;Without confirmation?
8609 "Mark absolutely all articles as read? "
8610 "Mark all unread articles as read? ")))
8612 (not gnus-newsgroup-adaptive)
8613 (not gnus-newsgroup-auto-expire)
8614 (not gnus-suppress-duplicates)
8615 (or (not gnus-use-cache)
8616 (eq gnus-use-cache 'passive)))
8619 (setq gnus-newsgroup-marked nil
8620 gnus-newsgroup-dormant nil))
8621 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8622 ;; We actually mark all articles as canceled, which we
8623 ;; have to do when using auto-expiry or adaptive scoring.
8624 (gnus-summary-show-all-threads)
8625 (when (gnus-summary-first-subject (not all) t)
8627 (if to-here (< (point) to-here) t)
8628 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8629 (gnus-summary-find-next (not all) nil nil t))))
8630 (gnus-set-mode-line 'summary))
8632 (gnus-summary-position-point)))
8634 (defun gnus-summary-catchup-to-here (&optional all)
8635 "Mark all unticked articles before the current one as read.
8636 If ALL is non-nil, also mark ticked and dormant articles as read."
8639 (gnus-save-hidden-threads
8640 (let ((beg (point)))
8641 ;; We check that there are unread articles.
8642 (when (or all (gnus-summary-find-prev))
8643 (gnus-summary-catchup all t beg)))))
8644 (gnus-summary-position-point))
8646 (defun gnus-summary-catchup-all (&optional quietly)
8647 "Mark all articles in this newsgroup as read."
8649 (gnus-summary-catchup t quietly))
8651 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8652 "Mark all unread articles in this group as read, then exit.
8653 If prefix argument ALL is non-nil, all articles are marked as read."
8655 (when (gnus-summary-catchup all quietly nil 'fast)
8656 ;; Select next newsgroup or exit.
8657 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8658 (eq gnus-auto-select-next 'quietly))
8659 (gnus-summary-next-group nil)
8660 (gnus-summary-exit))))
8662 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8663 "Mark all articles in this newsgroup as read, and then exit."
8665 (gnus-summary-catchup-and-exit t quietly))
8667 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8668 "Mark all articles in this group as read and select the next group.
8669 If given a prefix, mark all articles, unread as well as ticked, as
8673 (gnus-summary-catchup all))
8674 (gnus-summary-next-group))
8676 ;; Thread-based commands.
8678 (defun gnus-summary-articles-in-thread (&optional article)
8679 "Return a list of all articles in the current thread.
8680 If ARTICLE is non-nil, return all articles in the thread that starts
8682 (let* ((article (or article (gnus-summary-article-number)))
8683 (data (gnus-data-find-list article))
8684 (top-level (gnus-data-level (car data)))
8686 (cond ((null gnus-thread-operation-ignore-subject)
8687 (gnus-simplify-subject-re
8688 (mail-header-subject (gnus-data-header (car data)))))
8689 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8690 (gnus-simplify-subject-fuzzy
8691 (mail-header-subject (gnus-data-header (car data)))))
8693 (end-point (save-excursion
8694 (if (gnus-summary-go-to-next-thread)
8695 (point) (point-max))))
8698 (< (gnus-data-pos (car data)) end-point))
8699 (when (or (not top-subject)
8700 (string= top-subject
8701 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8702 (gnus-simplify-subject-fuzzy
8703 (mail-header-subject
8704 (gnus-data-header (car data))))
8705 (gnus-simplify-subject-re
8706 (mail-header-subject
8707 (gnus-data-header (car data)))))))
8708 (push (gnus-data-number (car data)) articles))
8709 (unless (and (setq data (cdr data))
8710 (> (gnus-data-level (car data)) top-level))
8712 ;; Return the list of articles.
8713 (nreverse articles)))
8715 (defun gnus-summary-rethread-current ()
8716 "Rethread the thread the current article is part of."
8718 (let* ((gnus-show-threads t)
8719 (article (gnus-summary-article-number))
8720 (id (mail-header-id (gnus-summary-article-header)))
8721 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8723 (error "No article on the current line"))
8724 (gnus-rebuild-thread id)
8725 (gnus-summary-goto-subject article)))
8727 (defun gnus-summary-reparent-thread ()
8728 "Make the current article child of the marked (or previous) article.
8730 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8731 is non-nil or the Subject: of both articles are the same."
8733 (unless (not (gnus-group-read-only-p))
8734 (error "The current newsgroup does not support article editing"))
8735 (unless (<= (length gnus-newsgroup-processable) 1)
8736 (error "No more than one article may be marked"))
8737 (save-window-excursion
8738 (let ((gnus-article-buffer " *reparent*")
8739 (current-article (gnus-summary-article-number))
8740 ;; First grab the marked article, otherwise one line up.
8741 (parent-article (if (not (null gnus-newsgroup-processable))
8742 (car gnus-newsgroup-processable)
8744 (if (eq (forward-line -1) 0)
8745 (gnus-summary-article-number)
8746 (error "Beginning of summary buffer"))))))
8747 (unless (not (eq current-article parent-article))
8748 (error "An article may not be self-referential"))
8749 (let ((message-id (mail-header-id
8750 (gnus-summary-article-header parent-article))))
8751 (unless (and message-id (not (equal message-id "")))
8752 (error "No message-id in desired parent"))
8753 (gnus-with-article current-article
8754 (goto-char (point-min))
8755 (if (re-search-forward "^References: " nil t)
8757 (re-search-forward "^[^ \t]" nil t)
8760 (insert " " message-id))
8761 (insert "References: " message-id "\n")))
8762 (set-buffer gnus-summary-buffer)
8763 (gnus-summary-unmark-all-processable)
8764 (gnus-summary-update-article current-article)
8765 (gnus-summary-rethread-current)
8766 (gnus-message 3 "Article %d is now the child of article %d"
8767 current-article parent-article)))))
8769 (defun gnus-summary-toggle-threads (&optional arg)
8770 "Toggle showing conversation threads.
8771 If ARG is positive number, turn showing conversation threads on."
8773 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8774 (setq gnus-show-threads
8775 (if (null arg) (not gnus-show-threads)
8776 (> (prefix-numeric-value arg) 0)))
8777 (gnus-summary-prepare)
8778 (gnus-summary-goto-subject current)
8779 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8780 (gnus-summary-position-point)))
8782 (defun gnus-summary-show-all-threads ()
8786 (let ((buffer-read-only nil))
8787 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8788 (gnus-summary-position-point))
8790 (defun gnus-summary-show-thread ()
8791 "Show thread subtrees.
8792 Returns nil if no thread was there to be shown."
8794 (let ((buffer-read-only nil)
8796 ;; first goto end then to beg, to have point at beg after let
8797 (end (progn (end-of-line) (point)))
8798 (beg (progn (beginning-of-line) (point))))
8800 ;; Any hidden lines here?
8801 (search-forward "\r" end t)
8802 (subst-char-in-region beg end ?\^M ?\n t)
8804 (gnus-summary-position-point))))
8806 (defun gnus-summary-hide-all-threads ()
8807 "Hide all thread subtrees."
8810 (goto-char (point-min))
8811 (gnus-summary-hide-thread)
8812 (while (zerop (gnus-summary-next-thread 1 t))
8813 (gnus-summary-hide-thread)))
8814 (gnus-summary-position-point))
8816 (defun gnus-summary-hide-thread ()
8817 "Hide thread subtrees.
8818 Returns nil if no threads were there to be hidden."
8820 (let ((buffer-read-only nil)
8822 (article (gnus-summary-article-number)))
8824 ;; Go forward until either the buffer ends or the subthread
8826 (when (and (not (eobp))
8827 (or (zerop (gnus-summary-next-thread 1 t))
8828 (goto-char (point-max))))
8830 (if (and (> (point) start)
8831 (search-backward "\n" start t))
8833 (subst-char-in-region start (point) ?\n ?\^M)
8834 (gnus-summary-goto-subject article))
8838 (defun gnus-summary-go-to-next-thread (&optional previous)
8839 "Go to the same level (or less) next thread.
8840 If PREVIOUS is non-nil, go to previous thread instead.
8841 Return the article number moved to, or nil if moving was impossible."
8842 (let ((level (gnus-summary-thread-level))
8843 (way (if previous -1 1))
8846 (while (and (not (eobp))
8847 (< level (gnus-summary-thread-level)))
8855 (gnus-summary-article-number)
8858 (defun gnus-summary-next-thread (n &optional silent)
8859 "Go to the same level next N'th thread.
8860 If N is negative, search backward instead.
8861 Returns the difference between N and the number of skips actually
8864 If SILENT, don't output messages."
8866 (let ((backward (< n 0))
8869 (gnus-summary-go-to-next-thread backward))
8872 (gnus-summary-position-point))
8873 (when (and (not silent) (/= 0 n))
8874 (gnus-message 7 "No more threads"))
8877 (defun gnus-summary-prev-thread (n)
8878 "Go to the same level previous N'th thread.
8879 Returns the difference between N and the number of skips actually
8882 (gnus-summary-next-thread (- n)))
8884 (defun gnus-summary-go-down-thread ()
8885 "Go down one level in the current thread."
8886 (let ((children (gnus-summary-article-children)))
8888 (gnus-summary-goto-subject (car children)))))
8890 (defun gnus-summary-go-up-thread ()
8891 "Go up one level in the current thread."
8892 (let ((parent (gnus-summary-article-parent)))
8894 (gnus-summary-goto-subject parent))))
8896 (defun gnus-summary-down-thread (n)
8897 "Go down thread N steps.
8898 If N is negative, go up instead.
8899 Returns the difference between N and how many steps down that were
8905 (if up (gnus-summary-go-up-thread)
8906 (gnus-summary-go-down-thread)))
8908 (gnus-summary-position-point)
8910 (gnus-message 7 "Can't go further"))
8913 (defun gnus-summary-up-thread (n)
8914 "Go up thread N steps.
8915 If N is negative, go up instead.
8916 Returns the difference between N and how many steps down that were
8919 (gnus-summary-down-thread (- n)))
8921 (defun gnus-summary-top-thread ()
8922 "Go to the top of the thread."
8924 (while (gnus-summary-go-up-thread))
8925 (gnus-summary-article-number))
8927 (defun gnus-summary-kill-thread (&optional unmark)
8928 "Mark articles under current thread as read.
8929 If the prefix argument is positive, remove any kinds of marks.
8930 If the prefix argument is negative, tick articles instead."
8933 (setq unmark (prefix-numeric-value unmark)))
8934 (let ((articles (gnus-summary-articles-in-thread)))
8936 ;; Expand the thread.
8937 (gnus-summary-show-thread)
8938 ;; Mark all the articles.
8940 (gnus-summary-goto-subject (car articles))
8941 (cond ((null unmark)
8942 (gnus-summary-mark-article-as-read gnus-killed-mark))
8944 (gnus-summary-mark-article-as-unread gnus-unread-mark))
8946 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
8947 (setq articles (cdr articles))))
8948 ;; Hide killed subtrees.
8950 gnus-thread-hide-killed
8951 (gnus-summary-hide-thread))
8952 ;; If marked as read, go to next unread subject.
8954 ;; Go to next unread subject.
8955 (gnus-summary-next-subject 1 t)))
8956 (gnus-set-mode-line 'summary))
8958 ;; Summary sorting commands
8960 (defun gnus-summary-sort-by-number (&optional reverse)
8961 "Sort the summary buffer by article number.
8962 Argument REVERSE means reverse order."
8964 (gnus-summary-sort 'number reverse))
8966 (defun gnus-summary-sort-by-author (&optional reverse)
8967 "Sort the summary buffer by author name alphabetically.
8968 If case-fold-search is non-nil, case of letters is ignored.
8969 Argument REVERSE means reverse order."
8971 (gnus-summary-sort 'author reverse))
8973 (defun gnus-summary-sort-by-subject (&optional reverse)
8974 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
8975 If case-fold-search is non-nil, case of letters is ignored.
8976 Argument REVERSE means reverse order."
8978 (gnus-summary-sort 'subject reverse))
8980 (defun gnus-summary-sort-by-date (&optional reverse)
8981 "Sort the summary buffer by date.
8982 Argument REVERSE means reverse order."
8984 (gnus-summary-sort 'date reverse))
8986 (defun gnus-summary-sort-by-score (&optional reverse)
8987 "Sort the summary buffer by score.
8988 Argument REVERSE means reverse order."
8990 (gnus-summary-sort 'score reverse))
8992 (defun gnus-summary-sort-by-lines (&optional reverse)
8993 "Sort the summary buffer by the number of lines.
8994 Argument REVERSE means reverse order."
8996 (gnus-summary-sort 'lines reverse))
8998 (defun gnus-summary-sort-by-chars (&optional reverse)
8999 "Sort the summary buffer by article length.
9000 Argument REVERSE means reverse order."
9002 (gnus-summary-sort 'chars reverse))
9004 (defun gnus-summary-sort (predicate reverse)
9005 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
9006 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
9007 (article (intern (format "gnus-article-sort-by-%s" predicate)))
9008 (gnus-thread-sort-functions
9013 (gnus-article-sort-functions
9019 (gnus-summary-prepare-hook nil))
9020 ;; We do the sorting by regenerating the threads.
9021 (gnus-summary-prepare)
9022 ;; Hide subthreads if needed.
9023 (when (and gnus-show-threads gnus-thread-hide-subtree)
9024 (gnus-summary-hide-all-threads))))
9026 ;; Summary saving commands.
9028 (defun gnus-summary-save-article (&optional n not-saved)
9029 "Save the current article using the default saver function.
9030 If N is a positive number, save the N next articles.
9031 If N is a negative number, save the N previous articles.
9032 If N is nil and any articles have been marked with the process mark,
9033 save those articles instead.
9034 The variable `gnus-default-article-saver' specifies the saver function."
9036 (let* ((articles (gnus-summary-work-articles n))
9037 (save-buffer (save-excursion
9038 (nnheader-set-temp-buffer " *Gnus Save*")))
9039 (num (length articles))
9041 (dolist (article articles)
9042 (setq header (gnus-summary-article-header article))
9043 (if (not (vectorp header))
9044 ;; This is a pseudo-article.
9045 (if (assq 'name header)
9046 (gnus-copy-file (cdr (assq 'name header)))
9047 (gnus-message 1 "Article %d is unsaveable" article))
9048 ;; This is a real article.
9049 (save-window-excursion
9050 (gnus-summary-select-article t nil nil article))
9052 (set-buffer save-buffer)
9054 (insert-buffer-substring gnus-original-article-buffer))
9055 (setq file (gnus-article-save save-buffer file num))
9056 (gnus-summary-remove-process-mark article)
9058 (gnus-summary-set-saved-mark article))))
9059 (gnus-kill-buffer save-buffer)
9060 (gnus-summary-position-point)
9061 (gnus-set-mode-line 'summary)
9064 (defun gnus-summary-pipe-output (&optional arg)
9065 "Pipe the current article to a subprocess.
9066 If N is a positive number, pipe the N next articles.
9067 If N is a negative number, pipe the N previous articles.
9068 If N is nil and any articles have been marked with the process mark,
9069 pipe those articles instead."
9071 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
9072 (gnus-summary-save-article arg t))
9073 (gnus-configure-windows 'pipe))
9075 (defun gnus-summary-save-article-mail (&optional arg)
9076 "Append the current article to an mail file.
9077 If N is a positive number, save the N next articles.
9078 If N is a negative number, save the N previous articles.
9079 If N is nil and any articles have been marked with the process mark,
9080 save those articles instead."
9082 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
9083 (gnus-summary-save-article arg)))
9085 (defun gnus-summary-save-article-rmail (&optional arg)
9086 "Append the current article to an rmail file.
9087 If N is a positive number, save the N next articles.
9088 If N is a negative number, save the N previous articles.
9089 If N is nil and any articles have been marked with the process mark,
9090 save those articles instead."
9092 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
9093 (gnus-summary-save-article arg)))
9095 (defun gnus-summary-save-article-file (&optional arg)
9096 "Append the current article to a file.
9097 If N is a positive number, save the N next articles.
9098 If N is a negative number, save the N previous articles.
9099 If N is nil and any articles have been marked with the process mark,
9100 save those articles instead."
9102 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
9103 (gnus-summary-save-article arg)))
9105 (defun gnus-summary-write-article-file (&optional arg)
9106 "Write the current article to a file, deleting the previous file.
9107 If N is a positive number, save the N next articles.
9108 If N is a negative number, save the N previous articles.
9109 If N is nil and any articles have been marked with the process mark,
9110 save those articles instead."
9112 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
9113 (gnus-summary-save-article arg)))
9115 (defun gnus-summary-save-article-body-file (&optional arg)
9116 "Append the current article body to a file.
9117 If N is a positive number, save the N next articles.
9118 If N is a negative number, save the N previous articles.
9119 If N is nil and any articles have been marked with the process mark,
9120 save those articles instead."
9122 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
9123 (gnus-summary-save-article arg)))
9125 (defun gnus-summary-pipe-message (program)
9126 "Pipe the current article through PROGRAM."
9127 (interactive "sProgram: ")
9128 (gnus-summary-select-article)
9129 (let ((mail-header-separator ""))
9130 (gnus-eval-in-buffer-window gnus-article-buffer
9133 (let ((start (window-start))
9135 (message-pipe-buffer-body program)
9136 (set-window-start (get-buffer-window (current-buffer)) start))))))
9138 (defun gnus-get-split-value (methods)
9139 "Return a value based on the split METHODS."
9140 (let (split-name method result match)
9143 (set-buffer gnus-original-article-buffer)
9145 (nnheader-narrow-to-headers)
9147 (goto-char (point-min))
9148 (setq method (pop methods))
9149 (setq match (car method))
9152 ;; Regular expression.
9154 (re-search-forward match nil t)))
9155 ((gnus-functionp match)
9159 (setq result (funcall match gnus-newsgroup-name))))
9164 (setq result (eval match)))))
9165 (setq split-name (append (cdr method) split-name))
9166 (cond ((stringp result)
9167 (push (expand-file-name
9168 result gnus-article-save-directory)
9171 (setq split-name (append result split-name)))))))))
9172 (nreverse split-name)))
9174 (defun gnus-valid-move-group-p (group)
9177 (symbol-value group)
9178 (gnus-get-function (gnus-find-method-for-group
9179 (symbol-name group)) 'request-accept-article t)))
9181 (defun gnus-read-move-group-name (prompt default articles prefix)
9182 "Read a group name."
9183 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
9184 (minibuffer-confirm-incomplete nil) ; XEmacs
9188 (if (> (length articles) 1)
9189 (format "these %d articles" (length articles))
9194 (gnus-completing-read default prom
9196 'gnus-valid-move-group-p
9198 'gnus-group-history))
9199 ((= 1 (length split-name))
9200 (gnus-completing-read (car split-name) prom
9202 'gnus-valid-move-group-p
9204 'gnus-group-history))
9206 (gnus-completing-read nil prom
9207 (mapcar (lambda (el) (list el))
9208 (nreverse split-name))
9210 'gnus-group-history)))))
9212 (if (or (string= to-newsgroup "")
9213 (string= to-newsgroup prefix))
9214 (setq to-newsgroup default))
9215 (unless to-newsgroup
9216 (error "No group name entered"))
9217 (or (gnus-active to-newsgroup)
9218 (gnus-activate-group to-newsgroup)
9219 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
9221 (or (and (gnus-request-create-group
9222 to-newsgroup (gnus-group-name-to-method to-newsgroup))
9223 (gnus-activate-group
9224 to-newsgroup nil nil
9225 (gnus-group-name-to-method to-newsgroup))
9226 (gnus-subscribe-group to-newsgroup))
9227 (error "Couldn't create group %s" to-newsgroup)))
9228 (error "No such group: %s" to-newsgroup)))
9231 (defun gnus-summary-save-parts (type dir n reverse)
9232 "Save parts matching TYPE to DIR.
9233 If REVERSE, save parts that do not match TYPE."
9235 (list (read-string "Save parts of type: " "image/.*")
9236 (read-file-name "Save to directory: " t nil t)
9237 current-prefix-arg))
9238 (gnus-summary-iterate n
9239 (let ((gnus-display-mime-function nil)
9240 (gnus-inhibit-treatment t))
9241 (gnus-summary-select-article))
9243 (set-buffer gnus-article-buffer)
9244 (let ((handles (or (mm-dissect-buffer) (mm-uu-dissect))))
9246 (gnus-summary-save-parts-1 type dir handles reverse)
9247 (mm-destroy-parts handles))))))
9249 (defun gnus-summary-save-parts-1 (type dir handle reverse)
9250 (if (stringp (car handle))
9251 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
9254 (not (string-match type (mm-handle-media-type handle)))
9255 (string-match type (mm-handle-media-type handle)))
9256 (let ((file (expand-file-name
9257 (file-name-nondirectory
9259 (mail-content-type-get
9260 (mm-handle-disposition handle) 'filename)
9261 (concat gnus-newsgroup-name "." gnus-current-article)))
9263 (unless (file-exists-p file)
9264 (mm-save-part-to-file handle file))))))
9266 ;; Summary extract commands
9268 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
9269 (let ((buffer-read-only nil)
9270 (article (gnus-summary-article-number))
9272 (unless (gnus-summary-goto-subject article)
9273 (error "No such article: %d" article))
9274 (gnus-summary-position-point)
9275 ;; If all commands are to be bunched up on one line, we collect
9277 (unless gnus-view-pseudos-separately
9278 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
9281 (setq action (cdr (assq 'action (car ps))))
9282 (setq files (list (cdr (assq 'name (car ps)))))
9283 (while (and ps (cdr ps)
9284 (string= (or action "1")
9285 (or (cdr (assq 'action (cadr ps))) "2")))
9286 (push (cdr (assq 'name (cadr ps))) files)
9287 (setcdr ps (cddr ps)))
9289 (when (not (string-match "%s" action))
9292 (when (assq 'execute (car ps))
9293 (setcdr (assq 'execute (car ps))
9294 (funcall (if (string-match "%s" action)
9301 (gnus-quote-arg-for-sh-or-csh f)))
9303 (setq ps (cdr ps)))))
9304 (if (and gnus-view-pseudos (not not-view))
9306 (when (assq 'execute (car pslist))
9307 (gnus-execute-command (cdr (assq 'execute (car pslist)))
9308 (eq gnus-view-pseudos 'not-confirm)))
9309 (setq pslist (cdr pslist)))
9312 (setq after-article (or (cdr (assq 'article (car pslist)))
9313 (gnus-summary-article-number)))
9314 (gnus-summary-goto-subject after-article)
9317 (insert " " (file-name-nondirectory
9318 (cdr (assq 'name (car pslist))))
9319 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
9321 (forward-line -1) ; back to `b'
9322 (gnus-add-text-properties
9323 b (1- e) (list 'gnus-number gnus-reffed-article-number
9324 gnus-mouse-face-prop gnus-mouse-face))
9326 after-article gnus-reffed-article-number
9327 gnus-unread-mark b (car pslist) 0 (- e b))
9328 (push gnus-reffed-article-number gnus-newsgroup-unreads)
9329 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
9330 (setq pslist (cdr pslist)))))))
9332 (defun gnus-pseudos< (p1 p2)
9333 (let ((c1 (cdr (assq 'action p1)))
9334 (c2 (cdr (assq 'action p2))))
9335 (and c1 c2 (string< c1 c2))))
9337 (defun gnus-request-pseudo-article (props)
9338 (cond ((assq 'execute props)
9339 (gnus-execute-command (cdr (assq 'execute props)))))
9340 (let ((gnus-current-article (gnus-summary-article-number)))
9341 (gnus-run-hooks 'gnus-mark-article-hook)))
9343 (defun gnus-execute-command (command &optional automatic)
9345 (gnus-article-setup-buffer)
9346 (set-buffer gnus-article-buffer)
9347 (setq buffer-read-only nil)
9348 (let ((command (if automatic command
9349 (read-string "Command: " (cons command 0)))))
9351 (insert "$ " command "\n\n")
9352 (if gnus-view-pseudo-asynchronously
9353 (start-process "gnus-execute" (current-buffer) shell-file-name
9354 shell-command-switch command)
9355 (call-process shell-file-name nil t nil
9356 shell-command-switch command)))))
9358 ;; Summary kill commands.
9360 (defun gnus-summary-edit-global-kill (article)
9361 "Edit the \"global\" kill file."
9362 (interactive (list (gnus-summary-article-number)))
9363 (gnus-group-edit-global-kill article))
9365 (defun gnus-summary-edit-local-kill ()
9366 "Edit a local kill file applied to the current newsgroup."
9368 (setq gnus-current-headers (gnus-summary-article-header))
9369 (gnus-group-edit-local-kill
9370 (gnus-summary-article-number) gnus-newsgroup-name))
9374 (defun gnus-read-header (id &optional header)
9375 "Read the headers of article ID and enter them into the Gnus system."
9376 (let ((group gnus-newsgroup-name)
9377 (gnus-override-method
9379 gnus-override-method
9380 (and (gnus-news-group-p gnus-newsgroup-name)
9381 (car (gnus-refer-article-methods)))))
9383 ;; First we check to see whether the header in question is already
9386 ;; This is a Message-ID.
9387 (setq header (or header (gnus-id-to-header id)))
9388 ;; This is an article number.
9389 (setq header (or header (gnus-summary-article-header id))))
9391 (not (gnus-summary-article-sparse-p (mail-header-number header))))
9392 ;; We have found the header.
9394 ;; If this is a sparse article, we have to nix out its
9395 ;; previous entry in the thread hashtb.
9397 (gnus-summary-article-sparse-p (mail-header-number header)))
9398 (let* ((parent (gnus-parent-id (mail-header-references header)))
9399 (thread (and parent (gnus-id-to-thread parent))))
9401 (delq (assq header thread) thread))))
9402 ;; We have to really fetch the header to this article.
9404 (set-buffer nntp-server-buffer)
9405 (when (setq where (gnus-request-head id group))
9406 (nnheader-fold-continuation-lines)
9407 (goto-char (point-max))
9409 (goto-char (point-min))
9413 ((cdr where) (cdr where))
9414 (header (mail-header-number header))
9415 (t gnus-reffed-article-number))
9417 (insert " Article retrieved.\n"))
9419 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
9420 () ; Malformed head.
9421 (unless (gnus-summary-article-sparse-p (mail-header-number header))
9422 (when (and (stringp id)
9423 (not (string= (gnus-group-real-name group)
9425 ;; If we fetched by Message-ID and the article came
9426 ;; from a different group, we fudge some bogus article
9427 ;; numbers for this article.
9428 (mail-header-set-number header gnus-reffed-article-number))
9430 (set-buffer gnus-summary-buffer)
9431 (decf gnus-reffed-article-number)
9432 (gnus-remove-header (mail-header-number header))
9433 (push header gnus-newsgroup-headers)
9434 (setq gnus-current-headers header)
9435 (push (mail-header-number header) gnus-newsgroup-limit)))
9438 (defun gnus-remove-header (number)
9439 "Remove header NUMBER from `gnus-newsgroup-headers'."
9440 (if (and gnus-newsgroup-headers
9441 (= number (mail-header-number (car gnus-newsgroup-headers))))
9442 (pop gnus-newsgroup-headers)
9443 (let ((headers gnus-newsgroup-headers))
9444 (while (and (cdr headers)
9445 (not (= number (mail-header-number (cadr headers)))))
9448 (setcdr headers (cddr headers))))))
9451 ;;; summary highlights
9454 (defun gnus-highlight-selected-summary ()
9455 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
9456 ;; Highlight selected article in summary buffer
9457 (when gnus-summary-selected-face
9459 (let* ((beg (progn (beginning-of-line) (point)))
9460 (end (progn (end-of-line) (point)))
9461 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
9462 (from (if (get-text-property beg gnus-mouse-face-prop)
9464 (or (next-single-property-change
9465 beg gnus-mouse-face-prop nil end)
9470 (or (next-single-property-change
9471 from gnus-mouse-face-prop nil end)
9473 ;; If no mouse-face prop on line we will have to = from = end,
9474 ;; so we highlight the entire line instead.
9475 (when (= (+ to 2) from)
9478 (if gnus-newsgroup-selected-overlay
9479 ;; Move old overlay.
9481 gnus-newsgroup-selected-overlay from to (current-buffer))
9482 ;; Create new overlay.
9484 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
9485 'face gnus-summary-selected-face))))))
9487 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
9488 (defun gnus-summary-highlight-line ()
9489 "Highlight current line according to `gnus-summary-highlight'."
9490 (let* ((list gnus-summary-highlight)
9492 (end (progn (end-of-line) (point)))
9493 ;; now find out where the line starts and leave point there.
9494 (beg (progn (beginning-of-line) (point)))
9495 (article (gnus-summary-article-number))
9496 (score (or (cdr (assq (or article gnus-current-article)
9497 gnus-newsgroup-scored))
9498 gnus-summary-default-score 0))
9499 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
9500 (inhibit-read-only t))
9501 ;; Eval the cars of the lists until we find a match.
9502 (let ((default gnus-summary-default-score))
9504 (not (eval (caar list))))
9505 (setq list (cdr list))))
9506 (let ((face (cdar list)))
9507 (unless (eq face (get-text-property beg 'face))
9508 (gnus-put-text-property-excluding-characters-with-faces
9510 (setq face (if (boundp face) (symbol-value face) face)))
9511 (when gnus-summary-highlight-line-function
9512 (funcall gnus-summary-highlight-line-function article face))))
9515 (defun gnus-update-read-articles (group unread &optional compute)
9516 "Update the list of read articles in GROUP."
9517 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
9518 (entry (gnus-gethash group gnus-newsrc-hashtb))
9519 (info (nth 2 entry))
9521 (unread (sort (copy-sequence unread) '<))
9523 (if (or (not info) (not active))
9524 ;; There is no info on this group if it was, in fact,
9525 ;; killed. Gnus stores no information on killed groups, so
9526 ;; there's nothing to be done.
9527 ;; One could store the information somewhere temporarily,
9528 ;; perhaps... Hmmm...
9530 ;; Remove any negative articles numbers.
9531 (while (and unread (< (car unread) 0))
9532 (setq unread (cdr unread)))
9533 ;; Remove any expired article numbers
9534 (while (and unread (< (car unread) (car active)))
9535 (setq unread (cdr unread)))
9536 ;; Compute the ranges of read articles by looking at the list of
9539 (when (/= (car unread) prev)
9540 (push (if (= prev (1- (car unread))) prev
9541 (cons prev (1- (car unread))))
9543 (setq prev (1+ (car unread)))
9544 (setq unread (cdr unread)))
9545 (when (<= prev (cdr active))
9546 (push (cons prev (cdr active)) read))
9547 (setq read (if (> (length read) 1) (nreverse read) read))
9551 (set-buffer gnus-group-buffer)
9554 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
9555 (gnus-info-set-read ',info ',(gnus-info-read info))
9556 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
9557 (gnus-group-update-group ,group t))))
9558 ;; Propagate the read marks to the backend.
9559 (if (gnus-check-backend-function 'request-set-mark group)
9560 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
9561 (add (gnus-remove-from-range read (gnus-info-read info))))
9563 (unless (gnus-check-group group)
9564 (error "Can't open server for %s" group))
9565 (gnus-request-set-mark
9566 group (delq nil (list (if add (list add 'add '(read)))
9567 (if del (list del 'del '(read)))))))))
9568 ;; Enter this list into the group info.
9569 (gnus-info-set-read info read)
9570 ;; Set the number of unread articles in gnus-newsrc-hashtb.
9571 (gnus-get-unread-articles-in-group info (gnus-active group))
9574 (defun gnus-offer-save-summaries ()
9575 "Offer to save all active summary buffers."
9577 (let ((buflist (buffer-list))
9579 ;; Go through all buffers and find all summaries.
9581 (and (setq bufname (buffer-name (car buflist)))
9582 (string-match "Summary" bufname)
9584 (set-buffer bufname)
9585 ;; We check that this is, indeed, a summary buffer.
9586 (and (eq major-mode 'gnus-summary-mode)
9587 ;; Also make sure this isn't bogus.
9588 gnus-newsgroup-prepared
9589 ;; Also make sure that this isn't a dead summary buffer.
9590 (not gnus-dead-summary-mode)))
9591 (push bufname buffers))
9592 (setq buflist (cdr buflist)))
9593 ;; Go through all these summary buffers and offer to save them.
9596 "Update summary buffer %s? "
9598 (switch-to-buffer buf)
9599 (gnus-summary-exit))
9603 ;;; @ for mime-partial
9606 (defun gnus-request-partial-message ()
9608 (let ((number (gnus-summary-article-number))
9609 (group gnus-newsgroup-name)
9610 (mother gnus-article-buffer))
9611 (set-buffer (get-buffer-create " *Partial Article*"))
9613 (setq mime-preview-buffer mother)
9614 (gnus-request-article-this-buffer number group)
9618 (autoload 'mime-combine-message/partial-pieces-automatically
9620 "Internal method to combine message/partial messages automatically.")
9623 'action '((type . message)(subtype . partial)
9624 (major-mode . gnus-original-article-mode)
9625 (method . mime-combine-message/partial-pieces-automatically)
9626 (summary-buffer-exp . gnus-summary-buffer)
9627 (request-partial-message-method . gnus-request-partial-message)
9631 ;;; @ for message/rfc822
9634 (defun gnus-mime-extract-message/rfc822 (entity situation)
9635 (let (group article num cwin swin cur)
9636 (with-current-buffer (mime-entity-buffer entity)
9638 (narrow-to-region (mime-entity-body-start entity)
9639 (mime-entity-body-end entity))
9640 (setq group (or (cdr (assq 'group situation))
9641 (completing-read "Group: "
9644 (gnus-read-active-file-p)
9645 gnus-newsgroup-name))
9646 article (gnus-request-accept-article group)
9649 (when (and (consp article)
9650 (numberp (setq article (cdr article))))
9651 (setq num (1+ (or (cdr (assq 'number situation)) 0))
9652 cwin (get-buffer-window (current-buffer) t)
9654 (save-window-excursion
9655 (if (setq swin (get-buffer-window gnus-summary-buffer t))
9656 (select-window swin)
9657 (set-buffer gnus-summary-buffer)
9659 (setq cur gnus-current-article)
9661 (let (gnus-show-threads)
9662 (gnus-summary-goto-subject article t)
9664 (gnus-summary-clear-mark-forward 1)
9665 (gnus-summary-goto-subject cur)
9667 (when (and cwin (window-frame cwin))
9668 (select-frame (window-frame cwin))
9670 (when (boundp 'mime-acting-situation-to-override)
9671 (set-alist 'mime-acting-situation-to-override
9674 (set-alist 'mime-acting-situation-to-override
9677 (save-current-buffer
9678 (set-buffer gnus-group-buffer)
9679 (gnus-activate-group ,group)
9681 (gnus-summary-goto-article ,cur
9682 gnus-show-all-headers)
9684 (set-alist 'mime-acting-situation-to-override
9690 'action '((type . message)(subtype . rfc822)
9691 (major-mode . gnus-original-article-mode)
9692 (method . gnus-mime-extract-message/rfc822)
9697 'action '((type . message)(subtype . news)
9698 (major-mode . gnus-original-article-mode)
9699 (method . gnus-mime-extract-message/rfc822)
9703 (defun gnus-mime-extract-multipart (entity situation)
9704 (let ((children (mime-entity-children entity))
9705 mime-acting-situation-to-override
9708 (mime-play-entity (car children)
9709 (cons (assq 'mode situation)
9710 mime-acting-situation-to-override))
9711 (setq children (cdr children)))
9712 (if (setq f (cdr (assq 'after-method
9713 mime-acting-situation-to-override)))
9718 'action '((type . multipart)
9719 (method . gnus-mime-extract-multipart)
9728 (defun gnus-summary-setup-default-charset ()
9729 "Setup newsgroup default charset."
9730 (if (equal gnus-newsgroup-name "nndraft:drafts")
9731 (setq gnus-newsgroup-charset nil)
9732 (let* ((name (and gnus-newsgroup-name
9733 (gnus-group-real-name gnus-newsgroup-name)))
9735 (or gnus-newsgroup-ephemeral-ignored-charsets
9737 (and gnus-newsgroup-name
9738 (or (gnus-group-find-parameter gnus-newsgroup-name
9739 'ignored-charsets t)
9740 (let ((alist gnus-group-ignored-charsets-alist)
9741 elem (charsets nil))
9742 (while (setq elem (pop alist))
9744 (string-match (car elem) name))
9746 charsets (cdr elem))))
9748 gnus-newsgroup-ignored-charsets))))
9749 (setq gnus-newsgroup-charset
9750 (or gnus-newsgroup-ephemeral-charset
9751 (and gnus-newsgroup-name
9752 (or (gnus-group-find-parameter gnus-newsgroup-name 'charset)
9753 (let ((alist gnus-group-charset-alist)
9755 (while (setq elem (pop alist))
9757 (string-match (car elem) name))
9759 charset (cadr elem))))
9761 gnus-default-charset))
9762 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
9763 ignored-charsets))))
9769 (defun gnus-summary-display-buttonized (&optional show-all-parts)
9770 "Display the current article buffer fully MIME-buttonized.
9771 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
9772 treated as multipart/mixed."
9775 (let ((gnus-unbuttonized-mime-types nil)
9776 (gnus-mime-display-multipart-as-mixed show-all-parts))
9777 (gnus-summary-show-article)))
9779 (defun gnus-summary-repair-multipart (article)
9780 "Add a Content-Type header to a multipart article without one."
9781 (interactive (list (gnus-summary-article-number)))
9782 (gnus-with-article article
9783 (message-narrow-to-head)
9784 (goto-char (point-max))
9786 (when (search-forward "\n--" nil t)
9787 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
9788 (message-narrow-to-head)
9789 (message-remove-header "Mime-Version")
9790 (message-remove-header "Content-Type")
9791 (goto-char (point-max))
9792 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
9794 (insert "Mime-Version: 1.0\n")
9796 (let (gnus-mark-article-hook)
9797 (gnus-summary-select-article t t nil article)))
9799 (defun gnus-summary-toggle-display-buttonized ()
9800 "Toggle the buttonizing of the article buffer."
9803 (if (setq gnus-inhibit-mime-unbuttonizing
9804 (not gnus-inhibit-mime-unbuttonizing))
9805 (let ((gnus-unbuttonized-mime-types nil))
9806 (gnus-summary-show-article))
9807 (gnus-summary-show-article)))
9810 ;;; Intelli-mouse commmands
9813 (defun gnus-wheel-summary-scroll (event)
9815 (let ((amount (if (memq 'shift (event-modifiers event))
9816 (car gnus-wheel-scroll-amount)
9817 (cdr gnus-wheel-scroll-amount)))
9818 (direction (- (* (static-if (featurep 'xemacs)
9819 (event-button event)
9820 (cond ((eq 'mouse-4 (event-basic-type event))
9822 ((eq 'mouse-5 (event-basic-type event))
9826 (gnus-summary-scroll-up (* amount direction))
9827 (when (gnus-eval-in-buffer-window gnus-article-buffer
9830 (and (if (< 0 direction)
9831 (gnus-article-next-page 0)
9832 (gnus-article-prev-page 0)
9834 (if (setq edge (get-text-property
9835 (point-min) 'gnus-wheel-edge))
9836 (setq edge (* edge direction))
9839 (let ((buffer-read-only nil)
9840 (inhibit-read-only t))
9841 (put-text-property (point-min) (point-max)
9842 'gnus-wheel-edge direction)
9844 (or (> edge gnus-wheel-edge-resistance)
9845 (let ((buffer-read-only nil)
9846 (inhibit-read-only t))
9847 (put-text-property (point-min) (point-max)
9849 (* (1+ edge) direction))
9851 (eq last-command 'gnus-wheel-summary-scroll))
9853 (gnus-summary-next-article nil nil (minusp direction)))
9856 (defun gnus-wheel-install ()
9857 "Enable mouse wheel support on summary window."
9858 (when gnus-use-wheel
9860 '([(mouse-4)] [(shift mouse-4)] [(mouse-5)] [(shift mouse-5)])))
9862 (define-key gnus-summary-mode-map key
9863 'gnus-wheel-summary-scroll)))))
9865 (add-hook 'gnus-summary-mode-hook 'gnus-wheel-install)
9871 (defmacro gnus-with-article (article &rest forms)
9872 "Select ARTICLE and perform FORMS in the original article buffer.
9873 Then replace the article with the result."
9875 ;; We don't want the article to be marked as read.
9876 (let (gnus-mark-article-hook)
9877 (gnus-summary-select-article t t nil ,article))
9878 (set-buffer gnus-original-article-buffer)
9880 (if (not (gnus-check-backend-function
9881 'request-replace-article (car gnus-article-current)))
9882 (gnus-message 5 "Read-only group; not replacing")
9883 (unless (gnus-request-replace-article
9884 ,article (car gnus-article-current)
9886 (error "Couldn't replace article")))
9887 ;; The cache and backlog have to be flushed somewhat.
9888 (when gnus-keep-backlog
9889 (gnus-backlog-remove-article
9890 (car gnus-article-current) (cdr gnus-article-current)))
9891 (when gnus-use-cache
9892 (gnus-cache-update-article
9893 (car gnus-article-current) (cdr gnus-article-current)))))
9895 (put 'gnus-with-article 'lisp-indent-function 1)
9896 (put 'gnus-with-article 'edebug-form-spec '(form body))
9899 ;;; Generic summary marking commands
9902 (defvar gnus-summary-marking-alist
9903 '((read gnus-del-mark "d")
9904 (unread gnus-unread-mark "u")
9905 (ticked gnus-ticked-mark "!")
9906 (dormant gnus-dormant-mark "?")
9907 (expirable gnus-expirable-mark "e"))
9908 "An alist of names/marks/keystrokes.")
9910 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
9911 (defvar gnus-summary-mark-map)
9913 (defun gnus-summary-make-all-marking-commands ()
9914 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
9915 (dolist (elem gnus-summary-marking-alist)
9916 (apply 'gnus-summary-make-marking-command elem)))
9918 (defun gnus-summary-make-marking-command (name mark keystroke)
9919 (let ((map (make-sparse-keymap)))
9920 (define-key gnus-summary-generic-mark-map keystroke map)
9921 (dolist (lway `((next "next" next nil "n")
9922 (next-unread "next unread" next t "N")
9923 (prev "previous" prev nil "p")
9924 (prev-unread "previous unread" prev t "P")
9925 (nomove "" nil nil ,keystroke)))
9926 (let ((func (gnus-summary-make-marking-command-1
9927 mark (car lway) lway name)))
9928 (setq func (eval func))
9929 (define-key map (nth 4 lway) func)))))
9931 (defun gnus-summary-make-marking-command-1 (mark way lway name)
9933 (format "gnus-summary-put-mark-as-%s%s"
9934 name (if (eq way 'nomove)
9936 (concat "-" (symbol-name way)))))
9939 "Mark the current article as %s%s.
9940 If N, the prefix, then repeat N times.
9941 If N is negative, move in reverse order.
9942 The difference between N and the actual number of articles marked is
9944 name (car (cdr lway)))
9946 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
9948 (defun gnus-summary-generic-mark (n mark move unread)
9949 "Mark N articles with MARK."
9950 (unless (eq major-mode 'gnus-summary-mode)
9951 (error "This command can only be used in the summary buffer"))
9952 (gnus-summary-show-thread)
9956 ((eq move 'prev) -1)
9962 nummove (* -1 nummove))))
9964 (gnus-summary-mark-article nil mark)
9965 (zerop (gnus-summary-next-subject nummove unread t)))
9968 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9969 (gnus-summary-recenter)
9970 (gnus-summary-position-point)
9971 (gnus-set-mode-line 'summary)
9974 (gnus-summary-make-all-marking-commands)
9980 (run-hooks 'gnus-sum-load-hook)
9982 ;;; gnus-sum.el ends here