1 ;;; gnus-group.el --- group mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
42 (defcustom gnus-group-archive-directory
43 "*ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list/"
44 "*The address of the (ding) archives."
45 :group 'gnus-group-foreign
48 (defcustom gnus-group-recent-archive-directory
49 "*ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list-recent/"
50 "*The address of the most recent (ding) articles."
51 :group 'gnus-group-foreign
54 (defcustom gnus-no-groups-message "No gnus is bad news"
55 "*Message displayed by Gnus when no groups are available."
59 (defcustom gnus-keep-same-level nil
60 "*Non-nil means that the next newsgroup after the current will be on the same level.
61 When you type, for instance, `n' after reading the last article in the
62 current newsgroup, you will go to the next newsgroup. If this variable
63 is nil, the next newsgroup will be the next from the group
65 If this variable is non-nil, Gnus will either put you in the
66 next newsgroup with the same level, or, if no such newsgroup is
67 available, the next newsgroup with the lowest possible level higher
68 than the current level.
69 If this variable is `best', Gnus will make the next newsgroup the one
71 :group 'gnus-group-levels
72 :type '(choice (const nil)
74 (sexp :tag "other" t)))
76 (defcustom gnus-group-goto-unread t
77 "*If non-nil, movement commands will go to the next unread and subscribed group."
78 :link '(custom-manual "(gnus)Group Maneuvering")
79 :group 'gnus-group-various
82 (defcustom gnus-goto-next-group-when-activating t
83 "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group."
84 :link '(custom-manual "(gnus)Scanning New Messages")
85 :group 'gnus-group-various
88 (defcustom gnus-permanently-visible-groups nil
89 "*Regexp to match groups that should always be listed in the group buffer.
90 This means that they will still be listed even when there are no
91 unread articles in the groups.
93 If nil, no groups are permanently visible."
94 :group 'gnus-group-listing
95 :type '(choice regexp (const nil)))
97 (defcustom gnus-list-groups-with-ticked-articles t
98 "*If non-nil, list groups that have only ticked articles.
99 If nil, only list groups that have unread articles."
100 :group 'gnus-group-listing
103 (defcustom gnus-group-default-list-level gnus-level-subscribed
104 "*Default listing level.
105 Ignored if `gnus-group-use-permanent-levels' is non-nil."
106 :group 'gnus-group-listing
109 (defcustom gnus-group-list-inactive-groups t
110 "*If non-nil, inactive groups will be listed."
111 :group 'gnus-group-listing
112 :group 'gnus-group-levels
115 (defcustom gnus-group-sort-function 'gnus-group-sort-by-alphabet
116 "*Function used for sorting the group buffer.
117 This function will be called with group info entries as the arguments
118 for the groups to be sorted. Pre-made functions include
119 `gnus-group-sort-by-alphabet', `gnus-group-sort-by-real-name',
120 `gnus-group-sort-by-unread', `gnus-group-sort-by-level',
121 `gnus-group-sort-by-score', `gnus-group-sort-by-method',
122 `gnus-group-sort-by-server', and `gnus-group-sort-by-rank'.
124 This variable can also be a list of sorting functions. In that case,
125 the most significant sort function should be the last function in the
127 :group 'gnus-group-listing
128 :link '(custom-manual "(gnus)Sorting Groups")
129 :type '(radio (function-item gnus-group-sort-by-alphabet)
130 (function-item gnus-group-sort-by-real-name)
131 (function-item gnus-group-sort-by-unread)
132 (function-item gnus-group-sort-by-level)
133 (function-item gnus-group-sort-by-score)
134 (function-item gnus-group-sort-by-method)
135 (function-item gnus-group-sort-by-server)
136 (function-item gnus-group-sort-by-rank)
137 (function :tag "other" nil)))
139 (defcustom gnus-group-line-format "%M\%S\%p\%P\%5y: %(%g%)%l\n"
140 "*Format of group lines.
141 It works along the same lines as a normal formatting string,
142 with some simple extensions.
144 %M Only marked articles (character, \"*\" or \" \")
145 %S Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \")
146 %L Level of subscribedness (integer)
147 %N Number of unread articles (integer)
148 %I Number of dormant articles (integer)
149 %i Number of ticked and dormant (integer)
150 %T Number of ticked articles (integer)
151 %R Number of read articles (integer)
152 %t Estimated total number of articles (integer)
153 %y Number of unread, unticked articles (integer)
154 %G Group name (string)
155 %g Qualified group name (string)
156 %D Group description (string)
157 %s Select method (string)
158 %o Moderated group (char, \"m\")
159 %p Process mark (char)
160 %O Moderated group (string, \"(m)\" or \"\")
161 %P Topic indentation (string)
162 %m Whether there is new(ish) mail in the group (char, \"%\")
163 %l Whether there are GroupLens predictions for this group (string)
164 %n Select from where (string)
165 %z A string that look like `<%s:%n>' if a foreign select method is used
166 %d The date the group was last entered.
167 %E Icon as defined by `gnus-group-icon-list'.
168 %u User defined specifier. The next character in the format string should
169 be a letter. Gnus will call the function gnus-user-format-function-X,
170 where X is the letter following %u. The function will be passed the
171 current header as argument. The function should return a string, which
172 will be inserted into the buffer just like information from any other
175 Text between %( and %) will be highlighted with `gnus-mouse-face' when
176 the mouse point move inside the area. There can only be one such area.
178 Note that this format specification is not always respected. For
179 reasons of efficiency, when listing killed groups, this specification
180 is ignored altogether. If the spec is changed considerably, your
181 output may end up looking strange when listing both alive and killed
184 If you use %o or %O, reading the active file will be slower and quite
185 a bit of extra memory will be used. %D will also worsen performance.
186 Also note that if you change the format specification to include any
187 of these specs, you must probably re-start Gnus to see them go into
189 :group 'gnus-group-visual
192 (defcustom gnus-group-mode-line-format "Gnus: %%b {%M\%:%S}"
193 "*The format specification for the group mode line.
194 It works along the same lines as a normal formatting string,
195 with some simple extensions:
197 %S The native news server.
198 %M The native select method.
199 %: \":\" if %S isn't \"\"."
200 :group 'gnus-group-visual
203 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
204 (when (featurep 'xemacs)
205 (add-hook 'gnus-group-mode-hook 'gnus-xmas-group-menu-add)
206 (add-hook 'gnus-group-mode-hook 'gnus-xmas-setup-group-toolbar))
208 (defcustom gnus-group-menu-hook nil
209 "Hook run after the creation of the group mode menu."
210 :group 'gnus-group-various
213 (defcustom gnus-group-catchup-group-hook nil
214 "Hook run when catching up a group from the group buffer."
215 :group 'gnus-group-various
216 :link '(custom-manual "(gnus)Group Data")
219 (defcustom gnus-group-update-group-hook nil
220 "Hook called when updating group lines."
221 :group 'gnus-group-visual
224 (defcustom gnus-group-prepare-function 'gnus-group-prepare-flat
225 "*A function that is called to generate the group buffer.
226 The function is called with three arguments: The first is a number;
227 all group with a level less or equal to that number should be listed,
228 if the second is non-nil, empty groups should also be displayed. If
229 the third is non-nil, it is a number. No groups with a level lower
230 than this number should be displayed.
232 The only current function implemented is `gnus-group-prepare-flat'."
233 :group 'gnus-group-listing
236 (defcustom gnus-group-prepare-hook nil
237 "Hook called after the group buffer has been generated.
238 If you want to modify the group buffer, you can use this hook."
239 :group 'gnus-group-listing
242 (defcustom gnus-suspend-gnus-hook nil
243 "Hook called when suspending (not exiting) Gnus."
247 (defcustom gnus-exit-gnus-hook nil
248 "Hook called when exiting Gnus."
252 (defcustom gnus-after-exiting-gnus-hook nil
253 "Hook called after exiting Gnus."
257 (defcustom gnus-group-update-hook '(gnus-group-highlight-line)
258 "Hook called when a group line is changed.
259 The hook will not be called if `gnus-visual' is nil.
261 The default function `gnus-group-highlight-line' will
262 highlight the line according to the `gnus-group-highlight'
264 :group 'gnus-group-visual
267 (defcustom gnus-useful-groups
268 '(("(ding) mailing list mirrored at sunsite.auc.dk"
270 (nntp "sunsite.auc.dk"
271 (nntp-address "sunsite.auc.dk")))
274 (nndir "/ftp@ftp.ifi.uio.no:/pub/emacs/gnus/gnus-bug/"))
278 (nndoc-article-type mbox)
279 (eval `(nndoc-address
280 ,(let ((file (nnheader-find-etc-directory
283 (error "Couldn't find doc group"))
285 "*Alist of useful group-server pairs."
286 :group 'gnus-group-listing
287 :type '(repeat (list (string :tag "Description")
289 (sexp :tag "Method"))))
291 (defcustom gnus-group-highlight
293 ((and mailp (= unread 0) (eq level 1)) .
294 gnus-group-mail-1-empty-face)
295 ((and mailp (eq level 1)) .
296 gnus-group-mail-1-face)
297 ((and mailp (= unread 0) (eq level 2)) .
298 gnus-group-mail-2-empty-face)
299 ((and mailp (eq level 2)) .
300 gnus-group-mail-2-face)
301 ((and mailp (= unread 0) (eq level 3)) .
302 gnus-group-mail-3-empty-face)
303 ((and mailp (eq level 3)) .
304 gnus-group-mail-3-face)
305 ((and mailp (= unread 0)) .
306 gnus-group-mail-low-empty-face)
308 gnus-group-mail-low-face)
310 ((and (= unread 0) (eq level 1)) .
311 gnus-group-news-1-empty-face)
312 ((and (eq level 1)) .
313 gnus-group-news-1-face)
314 ((and (= unread 0) (eq level 2)) .
315 gnus-group-news-2-empty-face)
316 ((and (eq level 2)) .
317 gnus-group-news-2-face)
318 ((and (= unread 0) (eq level 3)) .
319 gnus-group-news-3-empty-face)
320 ((and (eq level 3)) .
321 gnus-group-news-3-face)
322 ((and (= unread 0) (eq level 4)) .
323 gnus-group-news-4-empty-face)
324 ((and (eq level 4)) .
325 gnus-group-news-4-face)
326 ((and (= unread 0) (eq level 5)) .
327 gnus-group-news-5-empty-face)
328 ((and (eq level 5)) .
329 gnus-group-news-5-face)
330 ((and (= unread 0) (eq level 6)) .
331 gnus-group-news-6-empty-face)
332 ((and (eq level 6)) .
333 gnus-group-news-6-face)
334 ((and (= unread 0)) .
335 gnus-group-news-low-empty-face)
337 gnus-group-news-low-face))
338 "*Controls the highlighting of group buffer lines.
340 Below is a list of `Form'/`Face' pairs. When deciding how a a
341 particular group line should be displayed, each form is
342 evaluated. The content of the face field after the first true form is
343 used. You can change how those group lines are displayed by
344 editing the face field.
346 It is also possible to change and add form fields, but currently that
347 requires an understanding of Lisp expressions. Hopefully this will
348 change in a future release. For now, you can use the following
349 variables in the Lisp expression:
351 group: The name of the group.
352 unread: The number of unread articles in the group.
353 method: The select method used.
354 mailp: Whether it's a mail group or not.
355 level: The level of the group.
356 score: The score of the group.
357 ticked: The number of ticked articles."
358 :group 'gnus-group-visual
359 :type '(repeat (cons (sexp :tag "Form") face)))
361 (defcustom gnus-new-mail-mark ?%
362 "Mark used for groups with new mail."
363 :group 'gnus-group-visual
366 (defgroup gnus-group-icons nil
367 "Add Icons to your group buffer. "
368 :group 'gnus-group-visual)
370 (defcustom gnus-group-icon-list
372 "*Controls the insertion of icons into group buffer lines.
374 Below is a list of `Form'/`File' pairs. When deciding how a
375 particular group line should be displayed, each form is evaluated.
376 The icon from the file field after the first true form is used. You
377 can change how those group lines are displayed by editing the file
378 field. The File will either be found in the
379 `gnus-group-glyph-directory' or by designating absolute path to the
382 It is also possible to change and add form fields, but currently that
383 requires an understanding of Lisp expressions. Hopefully this will
384 change in a future release. For now, you can use the following
385 variables in the Lisp expression:
387 group: The name of the group.
388 unread: The number of unread articles in the group.
389 method: The select method used.
390 mailp: Whether it's a mail group or not.
391 newsp: Whether it's a news group or not
392 level: The level of the group.
393 score: The score of the group.
394 ticked: The number of ticked articles."
395 :group 'gnus-group-icons
396 :type '(repeat (cons (sexp :tag "Form") file)))
398 (defcustom gnus-group-name-charset-method-alist nil
399 "*Alist of method and the charset for group names.
402 (((nntp \"news.com.cn\") . cn-gb-2312))
406 :type '(repeat (cons (sexp :tag "Method") (symbol :tag "Charset"))))
408 (defcustom gnus-group-name-charset-group-alist nil
409 "*Alist of group regexp and the charset for group names.
412 ((\"\\.com\\.cn:\" . cn-gb-2312))
415 :type '(repeat (cons (regexp :tag "Group") (symbol :tag "Charset"))))
417 (defcustom gnus-group-jump-to-group-prompt nil
418 "Default prompt for `gnus-group-jump-to-group'.
419 If non-nil, the value should be a string, e.g. \"nnml:\",
420 in which case `gnus-group-jump-to-group' offers \"Group: nnml:\"
421 in the minibuffer prompt."
422 :group 'gnus-group-various
423 :type '(choice (string :tag "Prompt string")
424 (const :tag "Empty" nil)))
426 (defvar gnus-group-listing-limit 1000
427 "*A limit of the number of groups when listing.
428 If the number of groups is larger than the limit, list them in a
431 ;;; Internal variables
433 (defvar gnus-group-sort-alist-function 'gnus-group-sort-flat
434 "Function for sorting the group buffer.")
436 (defvar gnus-group-sort-selected-function 'gnus-group-sort-selected-flat
437 "Function for sorting the selected groups in the group buffer.")
439 (defvar gnus-group-indentation-function nil)
440 (defvar gnus-goto-missing-group-function nil)
441 (defvar gnus-group-update-group-function nil)
442 (defvar gnus-group-goto-next-group-function nil
443 "Function to override finding the next group after listing groups.")
445 (defvar gnus-group-edit-buffer nil)
447 (defvar gnus-group-line-format-alist
448 `((?M gnus-tmp-marked-mark ?c)
449 (?S gnus-tmp-subscribed ?c)
450 (?L gnus-tmp-level ?d)
451 (?N (cond ((eq number t) "*" )
455 (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
456 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
458 (?R gnus-tmp-number-of-read ?s)
459 (?t gnus-tmp-number-total ?d)
460 (?y gnus-tmp-number-of-unread ?s)
461 (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
462 (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d)
463 (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
464 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d)
465 (?g gnus-tmp-group ?s)
466 (?G gnus-tmp-qualified-group ?s)
467 (?c (gnus-short-group-name gnus-tmp-group) ?s)
468 (?D gnus-tmp-newsgroup-description ?s)
469 (?o gnus-tmp-moderated ?c)
470 (?O gnus-tmp-moderated-string ?s)
471 (?p gnus-tmp-process-marked ?c)
472 (?s gnus-tmp-news-server ?s)
473 (?n gnus-tmp-news-method ?s)
474 (?P gnus-group-indentation ?s)
475 (?E gnus-tmp-group-icon ?s)
476 (?l gnus-tmp-grouplens ?s)
477 (?z gnus-tmp-news-method-string ?s)
478 (?m (gnus-group-new-mail gnus-tmp-group) ?c)
479 (?d (gnus-group-timestamp-string gnus-tmp-group) ?s)
480 (?u gnus-tmp-user-defined ?s)))
482 (defvar gnus-group-mode-line-format-alist
483 `((?S gnus-tmp-news-server ?s)
484 (?M gnus-tmp-news-method ?s)
485 (?u gnus-tmp-user-defined ?s)
486 (?: gnus-tmp-colon ?s)))
488 (defvar gnus-topic-topology nil
489 "The complete topic hierarchy.")
491 (defvar gnus-topic-alist nil
492 "The complete topic-group alist.")
494 (defvar gnus-group-marked nil)
496 (defvar gnus-group-list-mode nil)
499 (defvar gnus-group-icon-cache nil)
501 (defvar gnus-group-listed-groups nil)
502 (defvar gnus-group-list-option nil)
508 (put 'gnus-group-mode 'mode-class 'special)
511 (gnus-define-keys gnus-group-mode-map
512 " " gnus-group-read-group
513 "=" gnus-group-select-group
514 "\r" gnus-group-select-group
515 "\M-\r" gnus-group-quick-select-group
516 "\M- " gnus-group-visible-select-group
517 [(meta control return)] gnus-group-select-group-ephemerally
518 "j" gnus-group-jump-to-group
519 "n" gnus-group-next-unread-group
520 "p" gnus-group-prev-unread-group
521 "\177" gnus-group-prev-unread-group
522 [delete] gnus-group-prev-unread-group
523 [backspace] gnus-group-prev-unread-group
524 "N" gnus-group-next-group
525 "P" gnus-group-prev-group
526 "\M-n" gnus-group-next-unread-group-same-level
527 "\M-p" gnus-group-prev-unread-group-same-level
528 "," gnus-group-best-unread-group
529 "." gnus-group-first-unread-group
530 "u" gnus-group-unsubscribe-current-group
531 "U" gnus-group-unsubscribe-group
532 "c" gnus-group-catchup-current
533 "C" gnus-group-catchup-current-all
534 "\M-c" gnus-group-clear-data
535 "l" gnus-group-list-groups
536 "L" gnus-group-list-all-groups
538 "g" gnus-group-get-new-news
539 "\M-g" gnus-group-get-new-news-this-group
540 "R" gnus-group-restart
541 "r" gnus-group-read-init-file
542 "B" gnus-group-browse-foreign-server
543 "b" gnus-group-check-bogus-groups
544 "F" gnus-group-find-new-groups
545 "\C-c\C-d" gnus-group-describe-group
546 "\M-d" gnus-group-describe-all-groups
547 "\C-c\C-a" gnus-group-apropos
548 "\C-c\M-\C-a" gnus-group-description-apropos
549 "a" gnus-group-post-news
550 "\ek" gnus-group-edit-local-kill
551 "\eK" gnus-group-edit-global-kill
552 "\C-k" gnus-group-kill-group
553 "\C-y" gnus-group-yank-group
554 "\C-w" gnus-group-kill-region
555 "\C-x\C-t" gnus-group-transpose-groups
556 "\C-c\C-l" gnus-group-list-killed
557 "\C-c\C-x" gnus-group-expire-articles
558 "\C-c\M-\C-x" gnus-group-expire-all-groups
560 "s" gnus-group-save-newsrc
561 "z" gnus-group-suspend
564 "?" gnus-group-describe-briefly
565 "\C-c\C-i" gnus-info-find-node
566 "\M-e" gnus-group-edit-group-method
567 "^" gnus-group-enter-server-mode
568 gnus-mouse-2 gnus-mouse-pick-group
569 "<" beginning-of-buffer
572 "\C-c\C-s" gnus-group-sort-groups
574 "\C-c\M-g" gnus-activate-all-groups
575 "\M-&" gnus-group-universal-argument
576 "#" gnus-group-mark-group
577 "\M-#" gnus-group-unmark-group)
579 (gnus-define-keys (gnus-group-mark-map "M" gnus-group-mode-map)
580 "m" gnus-group-mark-group
581 "u" gnus-group-unmark-group
582 "w" gnus-group-mark-region
583 "b" gnus-group-mark-buffer
584 "r" gnus-group-mark-regexp
585 "U" gnus-group-unmark-all-groups)
587 (gnus-define-keys (gnus-group-group-map "G" gnus-group-mode-map)
588 "d" gnus-group-make-directory-group
589 "h" gnus-group-make-help-group
590 "u" gnus-group-make-useful-group
591 "a" gnus-group-make-archive-group
592 "k" gnus-group-make-kiboze-group
593 "l" gnus-group-nnimap-edit-acl
594 "m" gnus-group-make-group
595 "E" gnus-group-edit-group
596 "e" gnus-group-edit-group-method
597 "p" gnus-group-edit-group-parameters
598 "v" gnus-group-add-to-virtual
599 "V" gnus-group-make-empty-virtual
600 "D" gnus-group-enter-directory
601 "f" gnus-group-make-doc-group
602 "w" gnus-group-make-web-group
603 "r" gnus-group-rename-group
604 "c" gnus-group-customize
605 "x" gnus-group-nnimap-expunge
606 "\177" gnus-group-delete-group
607 [delete] gnus-group-delete-group)
609 (gnus-define-keys (gnus-group-soup-map "s" gnus-group-group-map)
610 "b" gnus-group-brew-soup
611 "w" gnus-soup-save-areas
612 "s" gnus-soup-send-replies
613 "p" gnus-soup-pack-packet
614 "r" nnsoup-pack-replies)
616 (gnus-define-keys (gnus-group-sort-map "S" gnus-group-group-map)
617 "s" gnus-group-sort-groups
618 "a" gnus-group-sort-groups-by-alphabet
619 "u" gnus-group-sort-groups-by-unread
620 "l" gnus-group-sort-groups-by-level
621 "v" gnus-group-sort-groups-by-score
622 "r" gnus-group-sort-groups-by-rank
623 "m" gnus-group-sort-groups-by-method)
625 (gnus-define-keys (gnus-group-sort-selected-map "P" gnus-group-group-map)
626 "s" gnus-group-sort-selected-groups
627 "a" gnus-group-sort-selected-groups-by-alphabet
628 "u" gnus-group-sort-selected-groups-by-unread
629 "l" gnus-group-sort-selected-groups-by-level
630 "v" gnus-group-sort-selected-groups-by-score
631 "r" gnus-group-sort-selected-groups-by-rank
632 "m" gnus-group-sort-selected-groups-by-method)
634 (gnus-define-keys (gnus-group-list-map "A" gnus-group-mode-map)
635 "k" gnus-group-list-killed
636 "z" gnus-group-list-zombies
637 "s" gnus-group-list-groups
638 "u" gnus-group-list-all-groups
639 "A" gnus-group-list-active
640 "a" gnus-group-apropos
641 "d" gnus-group-description-apropos
642 "m" gnus-group-list-matching
643 "M" gnus-group-list-all-matching
644 "l" gnus-group-list-level
645 "c" gnus-group-list-cached
646 "?" gnus-group-list-dormant)
648 (gnus-define-keys (gnus-group-list-limit-map "/" gnus-group-list-map)
649 "k" gnus-group-list-limit
650 "z" gnus-group-list-limit
651 "s" gnus-group-list-limit
652 "u" gnus-group-list-limit
653 "A" gnus-group-list-limit
654 "m" gnus-group-list-limit
655 "M" gnus-group-list-limit
656 "l" gnus-group-list-limit
657 "c" gnus-group-list-limit
658 "?" gnus-group-list-limit)
660 (gnus-define-keys (gnus-group-list-flush-map "f" gnus-group-list-map)
661 "k" gnus-group-list-flush
662 "z" gnus-group-list-flush
663 "s" gnus-group-list-flush
664 "u" gnus-group-list-flush
665 "A" gnus-group-list-flush
666 "m" gnus-group-list-flush
667 "M" gnus-group-list-flush
668 "l" gnus-group-list-flush
669 "c" gnus-group-list-flush
670 "?" gnus-group-list-flush)
672 (gnus-define-keys (gnus-group-list-plus-map "p" gnus-group-list-map)
673 "k" gnus-group-list-plus
674 "z" gnus-group-list-plus
675 "s" gnus-group-list-plus
676 "u" gnus-group-list-plus
677 "A" gnus-group-list-plus
678 "m" gnus-group-list-plus
679 "M" gnus-group-list-plus
680 "l" gnus-group-list-plus
681 "c" gnus-group-list-plus
682 "?" gnus-group-list-plus)
684 (gnus-define-keys (gnus-group-score-map "W" gnus-group-mode-map)
685 "f" gnus-score-flush-cache)
687 (gnus-define-keys (gnus-group-help-map "H" gnus-group-mode-map)
688 "d" gnus-group-describe-group
689 "f" gnus-group-fetch-faq
692 (gnus-define-keys (gnus-group-sub-map "S" gnus-group-mode-map)
693 "l" gnus-group-set-current-level
694 "t" gnus-group-unsubscribe-current-group
695 "s" gnus-group-unsubscribe-group
696 "k" gnus-group-kill-group
697 "y" gnus-group-yank-group
698 "w" gnus-group-kill-region
699 "\C-k" gnus-group-kill-level
700 "z" gnus-group-kill-all-zombies))
702 (defun gnus-group-make-menu-bar ()
703 (gnus-turn-off-edit-menu 'group)
704 (unless (boundp 'gnus-group-reading-menu)
707 gnus-group-reading-menu gnus-group-mode-map ""
709 ["Read" gnus-group-read-group (gnus-group-group-name)]
710 ["Select" gnus-group-select-group (gnus-group-group-name)]
711 ["See old articles" (gnus-group-select-group 'all)
712 :keys "C-u SPC" :active (gnus-group-group-name)]
713 ["Catch up" gnus-group-catchup-current :active (gnus-group-group-name)
714 ,@(if (featurep 'xemacs) nil
715 '(:help "Mark unread articles in the current group as read"))]
716 ["Catch up all articles" gnus-group-catchup-current-all
717 (gnus-group-group-name)]
718 ["Check for new articles" gnus-group-get-new-news-this-group
719 :active (gnus-group-group-name)
720 ,@(if (featurep 'xemacs) nil
721 '(:help "Check for new messages in current group"))]
722 ["Toggle subscription" gnus-group-unsubscribe-current-group
723 (gnus-group-group-name)]
724 ["Kill" gnus-group-kill-group :active (gnus-group-group-name)
725 ,@(if (featurep 'xemacs) nil
726 '(:help "Kill (remove) current group"))]
727 ["Yank" gnus-group-yank-group gnus-list-of-killed-groups]
728 ["Describe" gnus-group-describe-group :active (gnus-group-group-name)
729 ,@(if (featurep 'xemacs) nil
730 '(:help "Display description of the current group"))]
731 ["Fetch FAQ" gnus-group-fetch-faq (gnus-group-group-name)]
732 ;; Actually one should check, if any of the marked groups gives t for
733 ;; (gnus-check-backend-function 'request-expire-articles ...)
734 ["Expire articles" gnus-group-expire-articles
735 (or (and (gnus-group-group-name)
736 (gnus-check-backend-function
737 'request-expire-articles
738 (gnus-group-group-name))) gnus-group-marked)]
739 ["Set group level" gnus-group-set-current-level
740 (gnus-group-group-name)]
741 ["Select quick" gnus-group-quick-select-group (gnus-group-group-name)]
742 ["Customize" gnus-group-customize (gnus-group-group-name)]
744 ["Parameters" gnus-group-edit-group-parameters
745 (gnus-group-group-name)]
746 ["Select method" gnus-group-edit-group-method
747 (gnus-group-group-name)]
748 ["Info" gnus-group-edit-group (gnus-group-group-name)]
749 ["Local kill file" gnus-group-edit-local-kill (gnus-group-group-name)]
750 ["Global kill file" gnus-group-edit-global-kill t])))
753 gnus-group-group-menu gnus-group-mode-map ""
756 ["List unread subscribed groups" gnus-group-list-groups t]
757 ["List (un)subscribed groups" gnus-group-list-all-groups t]
758 ["List killed groups" gnus-group-list-killed gnus-killed-list]
759 ["List zombie groups" gnus-group-list-zombies gnus-zombie-list]
760 ["List level..." gnus-group-list-level t]
761 ["Describe all groups" gnus-group-describe-all-groups t]
762 ["Group apropos..." gnus-group-apropos t]
763 ["Group and description apropos..." gnus-group-description-apropos t]
764 ["List groups matching..." gnus-group-list-matching t]
765 ["List all groups matching..." gnus-group-list-all-matching t]
766 ["List active file" gnus-group-list-active t]
767 ["List groups with cached" gnus-group-list-cached t]
768 ["List groups with dormant" gnus-group-list-dormant t])
770 ["Default sort" gnus-group-sort-groups t]
771 ["Sort by method" gnus-group-sort-groups-by-method t]
772 ["Sort by rank" gnus-group-sort-groups-by-rank t]
773 ["Sort by score" gnus-group-sort-groups-by-score t]
774 ["Sort by level" gnus-group-sort-groups-by-level t]
775 ["Sort by unread" gnus-group-sort-groups-by-unread t]
776 ["Sort by name" gnus-group-sort-groups-by-alphabet t])
777 ("Sort process/prefixed"
778 ["Default sort" gnus-group-sort-selected-groups
779 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
780 ["Sort by method" gnus-group-sort-selected-groups-by-method
781 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
782 ["Sort by rank" gnus-group-sort-selected-groups-by-rank
783 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
784 ["Sort by score" gnus-group-sort-selected-groups-by-score
785 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
786 ["Sort by level" gnus-group-sort-selected-groups-by-level
787 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
788 ["Sort by unread" gnus-group-sort-selected-groups-by-unread
789 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
790 ["Sort by name" gnus-group-sort-selected-groups-by-alphabet
791 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))])
793 ["Mark group" gnus-group-mark-group
794 (and (gnus-group-group-name)
795 (not (memq (gnus-group-group-name) gnus-group-marked)))]
796 ["Unmark group" gnus-group-unmark-group
797 (and (gnus-group-group-name)
798 (memq (gnus-group-group-name) gnus-group-marked))]
799 ["Unmark all" gnus-group-unmark-all-groups gnus-group-marked]
800 ["Mark regexp..." gnus-group-mark-regexp t]
801 ["Mark region" gnus-group-mark-region t]
802 ["Mark buffer" gnus-group-mark-buffer t]
803 ["Execute command" gnus-group-universal-argument
804 (or gnus-group-marked (gnus-group-group-name))])
806 ["Subscribe to a group" gnus-group-unsubscribe-group t]
807 ["Kill all newsgroups in region" gnus-group-kill-region t]
808 ["Kill all zombie groups" gnus-group-kill-all-zombies
810 ["Kill all groups on level..." gnus-group-kill-level t])
812 ["Make a foreign group" gnus-group-make-group t]
813 ["Add a directory group" gnus-group-make-directory-group t]
814 ["Add the help group" gnus-group-make-help-group t]
815 ["Add the archive group" gnus-group-make-archive-group t]
816 ["Make a doc group" gnus-group-make-doc-group t]
817 ["Make a web group" gnus-group-make-web-group t]
818 ["Make a kiboze group" gnus-group-make-kiboze-group t]
819 ["Make a virtual group" gnus-group-make-empty-virtual t]
820 ["Add a group to a virtual" gnus-group-add-to-virtual t]
821 ["Rename group" gnus-group-rename-group
822 (gnus-check-backend-function
823 'request-rename-group (gnus-group-group-name))]
824 ["Delete group" gnus-group-delete-group
825 (gnus-check-backend-function
826 'request-delete-group (gnus-group-group-name))])
828 ["Next" gnus-group-next-group t]
829 ["Previous" gnus-group-prev-group t]
830 ["Next unread" gnus-group-next-unread-group t]
831 ["Previous unread" gnus-group-prev-unread-group t]
832 ["Next unread same level" gnus-group-next-unread-group-same-level t]
833 ["Previous unread same level"
834 gnus-group-prev-unread-group-same-level t]
835 ["Jump to group" gnus-group-jump-to-group t]
836 ["First unread group" gnus-group-first-unread-group t]
837 ["Best unread group" gnus-group-best-unread-group t])
838 ["Delete bogus groups" gnus-group-check-bogus-groups t]
839 ["Find new newsgroups" gnus-group-find-new-groups t]
840 ["Transpose" gnus-group-transpose-groups
841 (gnus-group-group-name)]
842 ["Read a directory as a group..." gnus-group-enter-directory t]))
845 gnus-group-misc-menu gnus-group-mode-map ""
848 ["Pack replies" nnsoup-pack-replies (fboundp 'nnsoup-request-group)]
849 ["Send replies" gnus-soup-send-replies
850 (fboundp 'gnus-soup-pack-packet)]
851 ["Pack packet" gnus-soup-pack-packet (fboundp 'gnus-soup-pack-packet)]
852 ["Save areas" gnus-soup-save-areas (fboundp 'gnus-soup-pack-packet)]
853 ["Brew SOUP" gnus-group-brew-soup (fboundp 'gnus-soup-pack-packet)])
854 ["Send a mail" gnus-group-mail t]
855 ["Post an article..." gnus-group-post-news t]
856 ["Check for new news" gnus-group-get-new-news
857 ,@(if (featurep 'xemacs) '(t)
858 '(:help "Get newly arrived articles"))
860 ["Activate all groups" gnus-activate-all-groups t]
861 ["Restart Gnus" gnus-group-restart t]
862 ["Read init file" gnus-group-read-init-file t]
863 ["Browse foreign server" gnus-group-browse-foreign-server t]
864 ["Enter server buffer" gnus-group-enter-server-mode t]
865 ["Expire all expirable articles" gnus-group-expire-all-groups t]
866 ["Generate any kiboze groups" nnkiboze-generate-groups t]
867 ["Gnus version" gnus-version t]
868 ["Save .newsrc files" gnus-group-save-newsrc t]
869 ["Suspend Gnus" gnus-group-suspend t]
870 ["Clear dribble buffer" gnus-group-clear-dribble t]
871 ["Read manual" gnus-info-find-node t]
872 ["Flush score cache" gnus-score-flush-cache t]
873 ["Toggle topics" gnus-topic-mode t]
874 ["Send a bug report" gnus-bug t]
875 ["Exit from Gnus" gnus-group-exit
876 ,@(if (featurep 'xemacs) '(t)
877 '(:help "Quit reading news"))]
878 ["Exit without saving" gnus-group-quit t]))
880 (gnus-run-hooks 'gnus-group-menu-hook)))
882 (defvar gnus-group-toolbar-map nil)
884 ;; Emacs 21 tool bar. Should be no-op otherwise.
885 (defun gnus-group-make-tool-bar ()
886 (if (and (fboundp 'tool-bar-add-item-from-menu)
887 (default-value 'tool-bar-mode)
888 (not gnus-group-toolbar-map))
889 (setq gnus-group-toolbar-map
890 (let ((tool-bar-map (make-sparse-keymap))
891 (load-path (mm-image-load-path)))
892 (tool-bar-add-item-from-menu
893 'gnus-group-get-new-news "get-news" gnus-group-mode-map)
894 (tool-bar-add-item-from-menu
895 'gnus-group-get-new-news-this-group "gnntg" gnus-group-mode-map)
896 (tool-bar-add-item-from-menu
897 'gnus-group-catchup-current "catchup" gnus-group-mode-map)
898 (tool-bar-add-item-from-menu
899 'gnus-group-describe-group "describe-group" gnus-group-mode-map)
900 (tool-bar-add-item "subscribe" 'gnus-group-subscribe 'subscribe
901 :help "Subscribe to the current group")
902 (tool-bar-add-item "unsubscribe" 'gnus-group-unsubscribe
904 :help "Unsubscribe from the current group")
905 (tool-bar-add-item-from-menu
906 'gnus-group-exit "exit-gnus" gnus-group-mode-map)
908 (if gnus-group-toolbar-map
909 (set (make-local-variable 'tool-bar-map) gnus-group-toolbar-map)))
911 (defun gnus-group-mode ()
912 "Major mode for reading news.
914 All normal editing commands are switched off.
915 \\<gnus-group-mode-map>
916 The group buffer lists (some of) the groups available. For instance,
917 `\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]'
918 lists all zombie groups.
920 Groups that are displayed can be entered with `\\[gnus-group-read-group]'. To subscribe
921 to a group not displayed, type `\\[gnus-group-unsubscribe-group]'.
923 For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
925 The following commands are available:
927 \\{gnus-group-mode-map}"
929 (kill-all-local-variables)
930 (when (gnus-visual-p 'group-menu 'menu)
931 (gnus-group-make-menu-bar)
932 (gnus-group-make-tool-bar))
933 (gnus-simplify-mode-line)
934 (setq major-mode 'gnus-group-mode)
935 (setq mode-name "Group")
936 (gnus-group-set-mode-line)
937 (setq mode-line-process nil)
938 (use-local-map gnus-group-mode-map)
939 (buffer-disable-undo)
940 (setq truncate-lines t)
941 (setq buffer-read-only t)
942 (gnus-set-default-directory)
943 (gnus-update-format-specifications nil 'group 'group-mode)
944 (gnus-update-group-mark-positions)
949 (gnus-run-hooks 'gnus-group-mode-hook))
951 (defun gnus-update-group-mark-positions ()
953 (let ((gnus-process-mark ?\200)
954 (gnus-group-update-hook nil)
955 (gnus-group-marked '("dummy.group"))
956 (gnus-active-hashtb (make-vector 10 0))
958 (gnus-set-active "dummy.group" '(0 . 0))
959 (gnus-set-work-buffer)
960 (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil)
961 (goto-char (point-min))
962 (setq gnus-group-mark-positions
963 (list (cons 'process (and (search-forward "\200" nil t)
966 (defun gnus-mouse-pick-group (e)
967 "Enter the group under the mouse pointer."
970 (gnus-group-read-group nil))
972 ;; Look at LEVEL and find out what the level is really supposed to be.
973 ;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens
974 ;; will depend on whether `gnus-group-use-permanent-levels' is used.
975 (defun gnus-group-default-level (&optional level number-or-nil)
977 (gnus-group-use-permanent-levels
978 (or (setq gnus-group-use-permanent-levels
979 (or level (if (numberp gnus-group-use-permanent-levels)
980 gnus-group-use-permanent-levels
981 (or gnus-group-default-list-level
982 gnus-level-subscribed))))
983 gnus-group-default-list-level gnus-level-subscribed))
987 (or level gnus-group-default-list-level gnus-level-subscribed))))
989 (defun gnus-group-setup-buffer ()
990 (set-buffer (gnus-get-buffer-create gnus-group-buffer))
991 (unless (eq major-mode 'gnus-group-mode)
994 (gnus-carpal-setup-buffer 'group))))
996 (defsubst gnus-group-name-charset (method group)
998 (setq method (gnus-find-method-for-group group)))
999 (let ((item (assoc method gnus-group-name-charset-method-alist))
1000 (alist gnus-group-name-charset-group-alist)
1004 (while (setq item (pop alist))
1005 (if (string-match (car item) group)
1007 result (cdr item))))
1010 (defsubst gnus-group-name-decode (string charset)
1011 (if (and string charset (featurep 'mule))
1012 (mm-decode-coding-string string charset)
1015 (defun gnus-group-decoded-name (string)
1016 (let ((charset (gnus-group-name-charset nil string)))
1017 (gnus-group-name-decode string charset)))
1019 (defun gnus-group-list-groups (&optional level unread lowest)
1020 "List newsgroups with level LEVEL or lower that have unread articles.
1021 Default is all subscribed groups.
1022 If argument UNREAD is non-nil, groups with no unread articles are also
1025 Also see the `gnus-group-use-permanent-levels' variable."
1027 (list (if current-prefix-arg
1028 (prefix-numeric-value current-prefix-arg)
1030 (gnus-group-default-level nil t)
1031 gnus-group-default-list-level
1032 gnus-level-subscribed))))
1034 (setq level (car gnus-group-list-mode)
1035 unread (cdr gnus-group-list-mode)))
1036 (setq level (gnus-group-default-level level))
1037 (gnus-group-setup-buffer)
1038 (gnus-update-format-specifications nil 'group 'group-mode)
1039 (let ((case-fold-search nil)
1040 (props (text-properties-at (gnus-point-at-bol)))
1041 (empty (= (point-min) (point-max)))
1042 (group (gnus-group-group-name))
1044 (set-buffer gnus-group-buffer)
1045 (setq number (funcall gnus-group-prepare-function level unread lowest))
1046 (when (or (and (numberp number)
1048 (zerop (buffer-size)))
1049 ;; No groups in the buffer.
1050 (gnus-message 5 gnus-no-groups-message))
1051 ;; We have some groups displayed.
1052 (goto-char (point-max))
1053 (when (or (not gnus-group-goto-next-group-function)
1054 (not (funcall gnus-group-goto-next-group-function
1058 (goto-char (point-min)))
1060 ;; Go to the first group with unread articles.
1061 (gnus-group-search-forward t))
1063 ;; Find the right group to put point on. If the current group
1064 ;; has disappeared in the new listing, try to find the next
1065 ;; one. If no next one can be found, just leave point at the
1066 ;; first newsgroup in the buffer.
1067 (when (not (gnus-goto-char
1069 (point-min) (point-max)
1070 'gnus-group (gnus-intern-safe
1071 group gnus-active-hashtb))))
1072 (let ((newsrc (cdddr (gnus-gethash group gnus-newsrc-hashtb))))
1074 (not (gnus-goto-char
1076 (point-min) (point-max) 'gnus-group
1078 (caar newsrc) gnus-active-hashtb)))))
1079 (setq newsrc (cdr newsrc)))
1081 (goto-char (point-max))
1082 (forward-line -1)))))))
1083 ;; Adjust cursor point.
1084 (gnus-group-position-point)))
1086 (defun gnus-group-list-level (level &optional all)
1087 "List groups on LEVEL.
1088 If ALL (the prefix), also list groups that have no unread articles."
1089 (interactive "nList groups on level: \nP")
1090 (gnus-group-list-groups level all level))
1092 (defun gnus-group-prepare-logic (group test)
1093 (or (and gnus-group-listed-groups
1094 (null gnus-group-list-option)
1095 (member group gnus-group-listed-groups))
1097 ((null gnus-group-listed-groups) test)
1098 ((null gnus-group-list-option) test)
1099 (t (and (member group gnus-group-listed-groups)
1100 (if (eq gnus-group-list-option 'flush)
1104 (defun gnus-group-prepare-flat (level &optional predicate lowest regexp)
1105 "List all newsgroups with unread articles of level LEVEL or lower.
1106 If PREDICATE is a function, list groups that the function returns non-nil;
1107 if it is t, list groups that have no unread articles.
1108 If LOWEST is non-nil, list all newsgroups of level LOWEST or higher.
1109 If REGEXP is a function, list dead groups that the function returns non-nil;
1110 if it is a string, only list groups matching REGEXP."
1111 (set-buffer gnus-group-buffer)
1112 (let ((buffer-read-only nil)
1113 (newsrc (cdr gnus-newsrc-alist))
1114 (lowest (or lowest 1))
1115 (not-in-list (and gnus-group-listed-groups
1116 (copy-sequence gnus-group-listed-groups)))
1117 info clevel unread group params)
1119 (when (or (< lowest gnus-level-zombie)
1120 gnus-group-listed-groups)
1121 ;; List living groups.
1123 (setq info (car newsrc)
1124 group (gnus-info-group info)
1125 params (gnus-info-params info)
1127 unread (car (gnus-gethash group gnus-newsrc-hashtb)))
1129 (setq not-in-list (delete group not-in-list)))
1131 (gnus-group-prepare-logic
1133 (and unread ; This group might be unchecked
1134 (or (not (stringp regexp))
1135 (string-match regexp group))
1136 (<= (setq clevel (gnus-info-level info)) level)
1139 ((functionp predicate)
1140 (funcall predicate info))
1141 (predicate t) ; We list all groups?
1144 (if (eq unread t) ; Unactivated?
1145 gnus-group-list-inactive-groups
1146 ; We list unactivated
1148 ; We list groups with unread articles
1149 (and gnus-list-groups-with-ticked-articles
1150 (cdr (assq 'tick (gnus-info-marks info))))
1151 ; And groups with tickeds
1152 ;; Check for permanent visibility.
1153 (and gnus-permanently-visible-groups
1154 (string-match gnus-permanently-visible-groups group))
1155 (memq 'visible params)
1156 (cdr (assq 'visible params)))))))
1157 (gnus-group-insert-group-line
1158 group (gnus-info-level info)
1159 (gnus-info-marks info) unread (gnus-info-method info)))))
1161 ;; List dead groups.
1162 (if (or gnus-group-listed-groups
1163 (and (>= level gnus-level-zombie)
1164 (<= lowest gnus-level-zombie)))
1165 (gnus-group-prepare-flat-list-dead
1166 (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
1167 gnus-level-zombie ?Z
1170 (dolist (group gnus-zombie-list)
1171 (setq not-in-list (delete group not-in-list))))
1172 (if (or gnus-group-listed-groups
1173 (and (>= level gnus-level-killed) (<= lowest gnus-level-killed)))
1174 (gnus-group-prepare-flat-list-dead
1177 (setq gnus-killed-list (sort gnus-killed-list 'string<)))
1178 gnus-level-killed ?K regexp))
1180 (gnus-group-set-mode-line)
1181 (setq gnus-group-list-mode (cons level predicate))
1182 (gnus-run-hooks 'gnus-group-prepare-hook)
1185 (defun gnus-group-prepare-flat-list-dead (groups level mark regexp)
1186 ;; List zombies and killed lists somewhat faster, which was
1187 ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. It does
1188 ;; this by ignoring the group format specification altogether.
1190 (if (> (length groups) gnus-group-listing-limit)
1192 (setq group (pop groups))
1193 (when (gnus-group-prepare-logic
1196 (and (stringp regexp) (string-match regexp group))
1197 (and (functionp regexp) (funcall regexp group))))
1198 (gnus-add-text-properties
1199 (point) (prog1 (1+ (point))
1200 (insert " " mark " *: "
1201 (gnus-group-decoded-name group)
1203 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
1205 'gnus-level level))))
1207 (setq group (pop groups))
1208 (when (gnus-group-prepare-logic
1211 (and (stringp regexp) (string-match regexp group))
1212 (and (functionp regexp) (funcall regexp group))))
1213 (gnus-group-insert-group-line
1215 (let ((active (gnus-active group)))
1217 (if (zerop (cdr active))
1219 (- (1+ (cdr active)) (car active)))
1221 (gnus-method-simplify (gnus-find-method-for-group group))))))))
1223 (defun gnus-group-update-group-line ()
1224 "Update the current line in the group buffer."
1225 (let* ((buffer-read-only nil)
1226 (group (gnus-group-group-name))
1227 (entry (and group (gnus-gethash group gnus-newsrc-hashtb)))
1228 gnus-group-indentation)
1231 (not (gnus-ephemeral-group-p group))
1233 (concat "(gnus-group-set-info '"
1234 (gnus-prin1-to-string (nth 2 entry))
1236 (setq gnus-group-indentation (gnus-group-group-indentation))
1238 (gnus-group-insert-group-line-info group)
1240 (gnus-group-position-point))))
1242 (defun gnus-group-insert-group-line-info (group)
1243 "Insert GROUP on the current line."
1244 (let ((entry (gnus-gethash group gnus-newsrc-hashtb))
1245 (gnus-group-indentation (gnus-group-group-indentation))
1249 ;; (Un)subscribed group.
1250 (setq info (nth 2 entry))
1251 (gnus-group-insert-group-line
1252 group (gnus-info-level info) (gnus-info-marks info)
1253 (or (car entry) t) (gnus-info-method info)))
1254 ;; This group is dead.
1255 (gnus-group-insert-group-line
1257 (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed)
1259 (if (setq active (gnus-active group))
1260 (if (zerop (cdr active))
1262 (- (1+ (cdr active)) (car active)))
1264 (gnus-method-simplify (gnus-find-method-for-group group))))))
1266 (defun gnus-group-insert-group-line (gnus-tmp-group gnus-tmp-level
1267 gnus-tmp-marked number
1269 "Insert a group line in the group buffer."
1270 (let* ((gnus-tmp-method
1271 (gnus-server-get-method gnus-tmp-group gnus-tmp-method))
1272 (group-name-charset (gnus-group-name-charset gnus-tmp-method
1274 (gnus-tmp-active (gnus-active gnus-tmp-group))
1275 (gnus-tmp-number-total
1277 (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active)))
1279 (gnus-tmp-number-of-unread
1280 (if (numberp number) (int-to-string (max 0 number))
1282 (gnus-tmp-number-of-read
1283 (if (numberp number)
1284 (int-to-string (max 0 (- gnus-tmp-number-total number)))
1286 (gnus-tmp-subscribed
1287 (cond ((<= gnus-tmp-level gnus-level-subscribed) ? )
1288 ((<= gnus-tmp-level gnus-level-unsubscribed) ?U)
1289 ((= gnus-tmp-level gnus-level-zombie) ?Z)
1291 (gnus-tmp-qualified-group
1292 (gnus-group-name-decode (gnus-group-real-name gnus-tmp-group)
1293 group-name-charset))
1294 (gnus-tmp-newsgroup-description
1295 (if gnus-description-hashtb
1296 (or (gnus-group-name-decode
1297 (gnus-gethash gnus-tmp-group gnus-description-hashtb)
1298 group-name-charset) "")
1301 (if (and gnus-moderated-hashtb
1302 (gnus-gethash gnus-tmp-group gnus-moderated-hashtb))
1304 (gnus-tmp-moderated-string
1305 (if (eq gnus-tmp-moderated ?m) "(m)" ""))
1306 (gnus-tmp-group-icon "==&&==")
1307 (gnus-tmp-news-server (or (cadr gnus-tmp-method) ""))
1308 (gnus-tmp-news-method (or (car gnus-tmp-method) ""))
1309 (gnus-tmp-news-method-string
1311 (format "(%s:%s)" (car gnus-tmp-method)
1312 (cadr gnus-tmp-method)) ""))
1313 (gnus-tmp-marked-mark
1314 (if (and (numberp number)
1316 (cdr (assq 'tick gnus-tmp-marked)))
1318 (gnus-tmp-process-marked
1319 (if (member gnus-tmp-group gnus-group-marked)
1320 gnus-process-mark ? ))
1322 (or (and gnus-use-grouplens
1323 (bbb-grouplens-group-p gnus-tmp-group))
1325 (buffer-read-only nil)
1326 header gnus-tmp-header) ; passed as parameter to user-funcs.
1328 (gnus-add-text-properties
1332 (eval gnus-group-line-format-spec))
1333 `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb)
1334 gnus-unread ,(if (numberp number)
1335 (string-to-int gnus-tmp-number-of-unread)
1337 gnus-marked ,gnus-tmp-marked-mark
1338 gnus-indentation ,gnus-group-indentation
1339 gnus-level ,gnus-tmp-level))
1341 (when (inline (gnus-visual-p 'group-highlight 'highlight))
1342 (gnus-run-hooks 'gnus-group-update-hook))
1344 ;; Allow XEmacs to remove front-sticky text properties.
1345 (gnus-group-remove-excess-properties)))
1347 (defun gnus-group-highlight-line ()
1348 "Highlight the current line according to `gnus-group-highlight'."
1349 (let* ((list gnus-group-highlight)
1351 (end (progn (end-of-line) (point)))
1352 ;; now find out where the line starts and leave point there.
1353 (beg (progn (beginning-of-line) (point)))
1354 (group (gnus-group-group-name))
1355 (entry (gnus-group-entry group))
1356 (unread (if (numberp (car entry)) (car entry) 0))
1357 (active (gnus-active group))
1358 (total (if active (1+ (- (cdr active) (car active))) 0))
1359 (info (nth 2 entry))
1360 (method (gnus-server-get-method group (gnus-info-method info)))
1361 (marked (gnus-info-marks info))
1362 (mailp (apply 'append
1365 (memq x (assoc (symbol-name
1366 (car (or method gnus-select-method)))
1367 gnus-valid-select-methods)))
1368 '(mail post-mail))))
1369 (level (or (gnus-info-level info) gnus-level-killed))
1370 (score (or (gnus-info-score info) 0))
1371 (ticked (gnus-range-length (cdr (assq 'tick marked))))
1372 (group-age (gnus-group-timestamp-delta group))
1373 (inhibit-read-only t))
1374 ;; Eval the cars of the lists until we find a match.
1376 (not (eval (caar list))))
1377 (setq list (cdr list)))
1378 (let ((face (cdar list)))
1379 (unless (eq face (get-text-property beg 'face))
1380 (gnus-put-text-property-excluding-characters-with-faces
1382 (setq face (if (boundp face) (symbol-value face) face)))
1383 (gnus-extent-start-open beg)))
1386 (defun gnus-group-update-group (group &optional visible-only)
1387 "Update all lines where GROUP appear.
1388 If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't
1390 ;; Can't use `save-excursion' here, so we do it manually.
1391 (let ((buf (current-buffer))
1393 (set-buffer gnus-group-buffer)
1394 (setq mark (point-marker))
1395 ;; The buffer may be narrowed.
1398 (let ((ident (gnus-intern-safe group gnus-active-hashtb))
1400 found buffer-read-only)
1401 ;; Enter the current status into the dribble buffer.
1402 (let ((entry (gnus-gethash group gnus-newsrc-hashtb)))
1404 (not (gnus-ephemeral-group-p group)))
1406 (concat "(gnus-group-set-info '"
1407 (gnus-prin1-to-string (nth 2 entry))
1409 ;; Find all group instances. If topics are in use, each group
1410 ;; may be listed in more than once.
1411 (while (setq loc (text-property-any
1412 loc (point-max) 'gnus-group ident))
1415 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1417 (gnus-group-insert-group-line-info group)
1420 (gnus-run-hooks 'gnus-group-update-group-hook)))
1421 (setq loc (1+ loc)))
1422 (unless (or found visible-only)
1423 ;; No such line in the buffer, find out where it's supposed to
1424 ;; go, and insert it there (or at the end of the buffer).
1425 (if gnus-goto-missing-group-function
1426 (funcall gnus-goto-missing-group-function group)
1427 (let ((entry (cddr (gnus-gethash group gnus-newsrc-hashtb))))
1428 (while (and entry (car entry)
1432 (point-min) (point-max)
1433 'gnus-group (gnus-intern-safe
1434 (caar entry) gnus-active-hashtb)))))
1435 (setq entry (cdr entry)))
1436 (or entry (goto-char (point-max)))))
1437 ;; Finally insert the line.
1438 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1439 (gnus-group-insert-group-line-info group)
1442 (gnus-run-hooks 'gnus-group-update-group-hook))))
1443 (when gnus-group-update-group-function
1444 (funcall gnus-group-update-group-function group))
1445 (gnus-group-set-mode-line)))
1447 (set-marker mark nil)
1450 (defun gnus-group-set-mode-line ()
1451 "Update the mode line in the group buffer."
1452 (when (memq 'group gnus-updated-mode-lines)
1453 ;; Yes, we want to keep this mode line updated.
1455 (set-buffer gnus-group-buffer)
1456 (let* ((gformat (or gnus-group-mode-line-format-spec
1457 (gnus-set-format 'group-mode)))
1458 (gnus-tmp-news-server (cadr gnus-select-method))
1459 (gnus-tmp-news-method (car gnus-select-method))
1460 (gnus-tmp-colon (if (equal gnus-tmp-news-server "") "" ":"))
1462 gnus-tmp-header ;Dummy binding for user-defined formats
1463 ;; Get the resulting string.
1465 (and gnus-dribble-buffer
1466 (buffer-name gnus-dribble-buffer)
1467 (buffer-modified-p gnus-dribble-buffer)
1469 (set-buffer gnus-dribble-buffer)
1470 (not (zerop (buffer-size))))))
1471 (mode-string (eval gformat)))
1472 ;; Say whether the dribble buffer has been modified.
1473 (setq mode-line-modified
1474 (if modified (car gnus-mode-line-modified)
1475 (cdr gnus-mode-line-modified)))
1476 ;; If the line is too long, we chop it off.
1477 (when (> (length mode-string) max-len)
1478 (setq mode-string (substring mode-string 0 (- max-len 4))))
1480 (setq mode-line-buffer-identification
1481 (gnus-mode-line-buffer-identification
1482 (list mode-string)))
1483 (set-buffer-modified-p modified))))))
1485 (defun gnus-group-group-name ()
1486 "Get the name of the newsgroup on the current line."
1487 (let ((group (get-text-property (gnus-point-at-bol) 'gnus-group)))
1489 (symbol-name group))))
1491 (defun gnus-group-group-level ()
1492 "Get the level of the newsgroup on the current line."
1493 (get-text-property (gnus-point-at-bol) 'gnus-level))
1495 (defun gnus-group-group-indentation ()
1496 "Get the indentation of the newsgroup on the current line."
1497 (or (get-text-property (gnus-point-at-bol) 'gnus-indentation)
1498 (and gnus-group-indentation-function
1499 (funcall gnus-group-indentation-function))
1502 (defun gnus-group-group-unread ()
1503 "Get the number of unread articles of the newsgroup on the current line."
1504 (get-text-property (gnus-point-at-bol) 'gnus-unread))
1506 (defun gnus-group-new-mail (group)
1507 (if (nnmail-new-mail-p (gnus-group-real-name group))
1511 (defun gnus-group-level (group)
1512 "Return the estimated level of GROUP."
1513 (or (gnus-info-level (gnus-get-info group))
1514 (and (member group gnus-zombie-list) gnus-level-zombie)
1517 (defun gnus-group-search-forward (&optional backward all level first-too)
1518 "Find the next newsgroup with unread articles.
1519 If BACKWARD is non-nil, find the previous newsgroup instead.
1520 If ALL is non-nil, just find any newsgroup.
1521 If LEVEL is non-nil, find group with level LEVEL, or higher if no such
1523 If FIRST-TOO, the current line is also eligible as a target."
1524 (let ((way (if backward -1 1))
1525 (low gnus-level-killed)
1528 (if (and backward (progn (beginning-of-line)) (bobp))
1537 (get-text-property (point) 'gnus-group)
1541 (get-text-property (point) 'gnus-unread)))
1542 (and (numberp unread) (> unread 0)))
1543 (setq lev (get-text-property (point)
1545 (<= lev gnus-level-subscribed)))
1547 (and (setq lev (get-text-property (point)
1556 (zerop (forward-line way)))))
1558 (progn (gnus-group-position-point) t)
1559 (goto-char (or pos beg))
1562 ;;; Gnus group mode commands
1566 (defun gnus-group-mark-line-p ()
1569 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1570 (eq (char-after) gnus-process-mark)))
1572 (defun gnus-group-mark-group (n &optional unmark no-advance)
1573 "Mark the current group."
1575 (let ((buffer-read-only nil)
1579 (when (setq group (gnus-group-group-name))
1580 ;; Go to the mark position.
1582 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1583 (subst-char-in-region
1584 (point) (1+ (point)) (char-after)
1587 (setq gnus-group-marked (delete group gnus-group-marked))
1589 (setq gnus-group-marked
1590 (cons group (delete group gnus-group-marked)))
1591 gnus-process-mark)))
1593 (gnus-group-next-group 1))
1595 (gnus-summary-position-point)
1598 (defun gnus-group-unmark-group (n)
1599 "Remove the mark from the current group."
1601 (gnus-group-mark-group n 'unmark)
1602 (gnus-group-position-point))
1604 (defun gnus-group-unmark-all-groups ()
1605 "Unmark all groups."
1607 (let ((groups gnus-group-marked))
1610 (gnus-group-remove-mark (pop groups)))))
1611 (gnus-group-position-point))
1613 (defun gnus-group-mark-region (unmark beg end)
1614 "Mark all groups between point and mark.
1615 If UNMARK, remove the mark instead."
1616 (interactive "P\nr")
1617 (let ((num (count-lines beg end)))
1620 (- num (gnus-group-mark-group num unmark)))))
1622 (defun gnus-group-mark-buffer (&optional unmark)
1623 "Mark all groups in the buffer.
1624 If UNMARK, remove the mark instead."
1626 (gnus-group-mark-region unmark (point-min) (point-max)))
1628 (defun gnus-group-mark-regexp (regexp)
1629 "Mark all groups that match some regexp."
1630 (interactive "sMark (regexp): ")
1631 (let ((alist (cdr gnus-newsrc-alist))
1634 (when (string-match regexp (setq group (gnus-info-group (pop alist))))
1635 (gnus-group-set-mark group))))
1636 (gnus-group-position-point))
1638 (defun gnus-group-remove-mark (group &optional test-marked)
1639 "Remove the process mark from GROUP and move point there.
1640 Return nil if the group isn't displayed."
1641 (if (gnus-group-goto-group group nil test-marked)
1643 (gnus-group-mark-group 1 'unmark t)
1645 (setq gnus-group-marked
1646 (delete group gnus-group-marked))
1649 (defun gnus-group-set-mark (group)
1650 "Set the process mark on GROUP."
1651 (if (gnus-group-goto-group group)
1653 (gnus-group-mark-group 1 nil t))
1654 (setq gnus-group-marked (cons group (delete group gnus-group-marked)))))
1656 (defun gnus-group-universal-argument (arg &optional groups func)
1657 "Perform any command on all groups according to the process/prefix convention."
1659 (if (eq (setq func (or func
1662 (substitute-command-keys
1663 "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]")))))
1665 (gnus-error 1 "Undefined key")
1666 (gnus-group-iterate arg
1668 (command-execute func))))
1669 (gnus-group-position-point))
1671 (defun gnus-group-process-prefix (n)
1672 "Return a list of groups to work on.
1673 Take into consideration N (the prefix) and the list of marked groups."
1676 (setq n (prefix-numeric-value n))
1677 ;; There is a prefix, so we return a list of the N next
1679 (let ((way (if (< n 0) -1 1))
1684 (if (setq group (gnus-group-group-name))
1685 (push group groups))
1687 (gnus-group-next-group way)))
1689 ((gnus-region-active-p)
1690 ;; Work on the region between point and mark.
1691 (let ((max (max (point) (mark)))
1694 (goto-char (min (point) (mark)))
1697 (push (gnus-group-group-name) groups)
1698 (zerop (gnus-group-next-group 1))
1700 (nreverse groups))))
1702 ;; No prefix, but a list of marked articles.
1703 (reverse gnus-group-marked))
1705 ;; Neither marked articles or a prefix, so we return the
1707 (let ((group (gnus-group-group-name)))
1708 (and group (list group))))))
1710 ;;; !!!Surely gnus-group-iterate should be a macro instead? I can't
1711 ;;; imagine why I went through these contortions...
1713 (let ((function (make-symbol "gnus-group-iterate-function"))
1714 (window (make-symbol "gnus-group-iterate-window"))
1715 (groups (make-symbol "gnus-group-iterate-groups"))
1716 (group (make-symbol "gnus-group-iterate-group")))
1718 `(defun gnus-group-iterate (arg ,function)
1719 "Iterate FUNCTION over all process/prefixed groups.
1720 FUNCTION will be called with the group name as the parameter
1721 and with point over the group in question."
1722 (let ((,groups (gnus-group-process-prefix arg))
1723 (,window (selected-window))
1726 (setq ,group (car ,groups)
1727 ,groups (cdr ,groups))
1728 (select-window ,window)
1729 (gnus-group-remove-mark ,group)
1730 (save-selected-window
1732 (funcall ,function ,group)))))))))
1734 (put 'gnus-group-iterate 'lisp-indent-function 1)
1736 ;; Selecting groups.
1738 (defun gnus-group-read-group (&optional all no-article group select-articles)
1739 "Read news in this newsgroup.
1740 If the prefix argument ALL is non-nil, already read articles become
1741 readable. IF ALL is a number, fetch this number of articles. If the
1742 optional argument NO-ARTICLE is non-nil, no article will be
1743 auto-selected upon group entry. If GROUP is non-nil, fetch that
1746 (let ((no-display (eq all 0))
1747 (group (or group (gnus-group-group-name)))
1748 number active marked entry)
1752 (error "No group on current line"))
1753 (setq marked (gnus-info-marks
1754 (nth 2 (setq entry (gnus-gethash
1755 group gnus-newsrc-hashtb)))))
1756 ;; This group might be a dead group. In that case we have to get
1757 ;; the number of unread articles from `gnus-active-hashtb'.
1759 (cond ((numberp all) all)
1761 ((setq active (gnus-active group))
1762 (- (1+ (cdr active)) (car active)))))
1763 (gnus-summary-read-group
1764 group (or all (and (numberp number)
1765 (zerop (+ number (gnus-range-length
1766 (cdr (assq 'tick marked)))
1768 (cdr (assq 'dormant marked)))))))
1769 no-article nil no-display nil select-articles)))
1771 (defun gnus-group-select-group (&optional all)
1772 "Select this newsgroup.
1773 No article is selected automatically.
1774 If the group is opened, just switch the summary buffer.
1775 If ALL is non-nil, already read articles become readable.
1776 If ALL is a number, fetch this number of articles."
1778 (gnus-group-read-group all t))
1780 (defun gnus-group-quick-select-group (&optional all)
1781 "Select the current group \"quickly\".
1782 This means that no highlighting or scoring will be performed.
1783 If ALL (the prefix argument) is 0, don't even generate the summary
1786 This might be useful if you want to toggle threading
1787 before entering the group."
1789 (require 'gnus-score)
1791 gnus-score-find-score-files-function
1792 gnus-home-score-file
1793 gnus-apply-kill-hook
1794 gnus-summary-expunge-below)
1795 (gnus-group-read-group all t)))
1797 (defun gnus-group-visible-select-group (&optional all)
1798 "Select the current group without hiding any articles."
1800 (let ((gnus-inhibit-limiting t))
1801 (gnus-group-read-group all t)))
1803 (defun gnus-group-select-group-ephemerally ()
1804 "Select the current group without doing any processing whatsoever.
1805 You will actually be entered into a group that's a copy of
1806 the current group; no changes you make while in this group will
1809 (require 'gnus-score)
1811 gnus-score-find-score-files-function gnus-apply-kill-hook
1812 gnus-summary-expunge-below gnus-show-threads gnus-suppress-duplicates
1813 gnus-summary-mode-hook gnus-select-group-hook
1814 (group (gnus-group-group-name))
1815 (method (gnus-find-method-for-group group)))
1816 (gnus-group-read-ephemeral-group
1817 (gnus-group-prefixed-name group method) method)))
1820 (defun gnus-fetch-group (group)
1821 "Start Gnus if necessary and enter GROUP.
1822 Returns whether the fetching was successful or not."
1823 (interactive (list (completing-read "Group name: " gnus-active-hashtb)))
1824 (unless (get-buffer gnus-group-buffer)
1826 (gnus-group-read-group nil nil group))
1829 (defun gnus-fetch-group-other-frame (group)
1830 "Pop up a frame and enter GROUP."
1832 (let ((window (get-buffer-window gnus-group-buffer)))
1834 (select-frame (window-frame window)))
1835 ((= (length (frame-list)) 1)
1836 (select-frame (make-frame)))
1839 (gnus-fetch-group group))
1841 (defvar gnus-ephemeral-group-server 0)
1843 ;; Enter a group that is not in the group buffer. Non-nil is returned
1844 ;; if selection was successful.
1845 (defun gnus-group-read-ephemeral-group (group method &optional activate
1846 quit-config request-only
1848 "Read GROUP from METHOD as an ephemeral group.
1849 If ACTIVATE, request the group first.
1850 If QUIT-CONFIG, use that window configuration when exiting from the
1852 If REQUEST-ONLY, don't actually read the group; just request it.
1853 If SELECT-ARTICLES, only select those articles.
1855 Return the name of the group if selection was successful."
1856 ;; Transform the select method into a unique server.
1857 (when (stringp method)
1858 (setq method (gnus-server-to-method method)))
1860 `(,(car method) ,(concat (cadr method) "-ephemeral")
1861 (,(intern (format "%s-address" (car method))) ,(cadr method))
1863 (let ((group (if (gnus-group-foreign-p group) group
1864 (gnus-group-prefixed-name group method))))
1868 ,gnus-level-default-subscribed nil nil ,method
1870 ,(if quit-config quit-config
1871 (cons gnus-summary-buffer
1872 gnus-current-window-configuration))))))
1874 (push method gnus-ephemeral-servers)
1875 (set-buffer gnus-group-buffer)
1876 (unless (gnus-check-server method)
1877 (error "Unable to contact server: %s" (gnus-status-message method)))
1879 (gnus-activate-group group 'scan)
1880 (unless (gnus-request-group group)
1881 (error "Couldn't request group: %s"
1882 (nnheader-get-report (car method)))))
1886 (when (gnus-group-read-group t t group select-articles)
1890 (message "Quit reading the ephemeral group")
1893 (defun gnus-group-jump-to-group (group)
1894 "Jump to newsgroup GROUP."
1896 (list (completing-read
1897 "Group: " gnus-active-hashtb nil
1898 (gnus-read-active-file-p)
1899 gnus-group-jump-to-group-prompt
1900 'gnus-group-history)))
1902 (when (equal group "")
1903 (error "Empty group name"))
1905 (unless (gnus-ephemeral-group-p group)
1906 ;; Either go to the line in the group buffer...
1907 (unless (gnus-group-goto-group group)
1908 ;; ... or insert the line.
1909 (gnus-group-update-group group)
1910 (gnus-group-goto-group group)))
1911 ;; Adjust cursor point.
1912 (gnus-group-position-point))
1914 (defun gnus-group-goto-group (group &optional far test-marked)
1915 "Goto to newsgroup GROUP.
1916 If FAR, it is likely that the group is not on the current line.
1917 If TEST-MARKED, the line must be marked."
1921 ;; It's quite likely that we are on the right line, so
1922 ;; we check the current line first.
1924 (eq (get-text-property (point) 'gnus-group)
1925 (gnus-intern-safe group gnus-active-hashtb))
1926 (or (not test-marked) (gnus-group-mark-line-p)))
1928 ;; Previous and next line are also likely, so we check them as well.
1932 (and (eq (get-text-property (point) 'gnus-group)
1933 (gnus-intern-safe group gnus-active-hashtb))
1934 (or (not test-marked) (gnus-group-mark-line-p)))))
1940 (and (eq (get-text-property (point) 'gnus-group)
1941 (gnus-intern-safe group gnus-active-hashtb))
1942 (or (not test-marked) (gnus-group-mark-line-p)))))
1946 (goto-char (point-min))
1948 (while (and (not found)
1953 (gnus-intern-safe group gnus-active-hashtb))))
1954 (if (gnus-group-mark-line-p)
1959 ;; Search through the entire buffer.
1962 (point-min) (point-max)
1963 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))))))
1965 (defun gnus-group-next-group (n &optional silent)
1966 "Go to next N'th newsgroup.
1967 If N is negative, search backward instead.
1968 Returns the difference between N and the number of skips actually
1971 (gnus-group-next-unread-group n t nil silent))
1973 (defun gnus-group-next-unread-group (n &optional all level silent)
1974 "Go to next N'th unread newsgroup.
1975 If N is negative, search backward instead.
1976 If ALL is non-nil, choose any newsgroup, unread or not.
1977 If LEVEL is non-nil, choose the next group with level LEVEL, or, if no
1978 such group can be found, the next group with a level higher than
1980 Returns the difference between N and the number of skips actually
1983 (let ((backward (< n 0))
1986 (gnus-group-search-forward
1987 backward (or (not gnus-group-goto-unread) all) level))
1991 (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread")
1992 (if level " on this level or higher" "")))
1995 (defun gnus-group-prev-group (n)
1996 "Go to previous N'th newsgroup.
1997 Returns the difference between N and the number of skips actually
2000 (gnus-group-next-unread-group (- n) t))
2002 (defun gnus-group-prev-unread-group (n)
2003 "Go to previous N'th unread newsgroup.
2004 Returns the difference between N and the number of skips actually
2007 (gnus-group-next-unread-group (- n)))
2009 (defun gnus-group-next-unread-group-same-level (n)
2010 "Go to next N'th unread newsgroup on the same level.
2011 If N is negative, search backward instead.
2012 Returns the difference between N and the number of skips actually
2015 (gnus-group-next-unread-group n t (gnus-group-group-level))
2016 (gnus-group-position-point))
2018 (defun gnus-group-prev-unread-group-same-level (n)
2019 "Go to next N'th unread newsgroup on the same level.
2020 Returns the difference between N and the number of skips actually
2023 (gnus-group-next-unread-group (- n) t (gnus-group-group-level))
2024 (gnus-group-position-point))
2026 (defun gnus-group-best-unread-group (&optional exclude-group)
2027 "Go to the group with the highest level.
2028 If EXCLUDE-GROUP, do not go to that group."
2030 (goto-char (point-min))
2034 (setq unread (get-text-property (point) 'gnus-unread))
2035 (when (and (numberp unread) (> unread 0))
2036 (when (and (get-text-property (point) 'gnus-level)
2037 (< (get-text-property (point) 'gnus-level) best)
2038 (or (not exclude-group)
2039 (not (equal exclude-group (gnus-group-group-name)))))
2040 (setq best (get-text-property (point) 'gnus-level))
2041 (setq best-point (point))))
2044 (goto-char best-point))
2045 (gnus-summary-position-point)
2046 (and best-point (gnus-group-group-name))))
2048 (defun gnus-group-first-unread-group ()
2049 "Go to the first group with unread articles."
2052 (let ((opoint (point))
2054 (goto-char (point-min))
2055 (if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active.
2056 (and (numberp unread) ; Not a topic.
2057 (not (zerop unread))) ; Has unread articles.
2058 (zerop (gnus-group-next-unread-group 1))) ; Next unread group.
2061 nil)) ; Not success.
2062 (gnus-group-position-point)))
2064 (defun gnus-group-enter-server-mode ()
2065 "Jump to the server buffer."
2067 (gnus-enter-server-buffer))
2069 (defun gnus-group-make-group (name &optional method address args)
2070 "Add a new newsgroup.
2071 The user will be prompted for a NAME, for a select METHOD, and an
2075 (gnus-read-group "Group name: ")
2076 (gnus-read-method "From method: ")))
2078 (when (stringp method)
2079 (setq method (or (gnus-server-to-method method) method)))
2080 (let* ((meth (gnus-method-simplify
2082 (not (gnus-server-equal method gnus-select-method)))
2083 (if address (list (intern method) address)
2085 (nname (if method (gnus-group-prefixed-name name meth) name))
2087 (when (gnus-gethash nname gnus-newsrc-hashtb)
2088 (error "Group %s already exists" nname))
2089 ;; Subscribe to the new group.
2090 (gnus-group-change-level
2091 (setq info (list t nname gnus-level-default-subscribed nil nil meth))
2092 gnus-level-default-subscribed gnus-level-killed
2093 (and (gnus-group-group-name)
2094 (gnus-gethash (gnus-group-group-name)
2095 gnus-newsrc-hashtb))
2098 (gnus-set-active nname (cons 1 0))
2099 (unless (gnus-ephemeral-group-p name)
2101 (concat "(gnus-group-set-info '"
2102 (gnus-prin1-to-string (cdr info)) ")")))
2104 (gnus-group-insert-group-line-info nname)
2106 (gnus-group-position-point)
2108 ;; Load the backend and try to make the backend create
2109 ;; the group as well.
2110 (when (assoc (symbol-name (setq backend (car (gnus-server-get-method
2112 gnus-valid-select-methods)
2114 (gnus-check-server meth)
2115 (when (gnus-check-backend-function 'request-create-group nname)
2116 (gnus-request-create-group nname nil args))
2119 (defun gnus-group-delete-groups (&optional arg)
2120 "Delete the current group. Only meaningful with editable groups."
2122 (let ((n (length (gnus-group-process-prefix arg))))
2123 (when (gnus-yes-or-no-p
2125 "Delete this 1 group? "
2126 (format "Delete these %d groups? " n)))
2127 (gnus-group-iterate arg
2129 (gnus-group-delete-group group nil t))))))
2131 (defun gnus-group-delete-group (group &optional force no-prompt)
2132 "Delete the current group. Only meaningful with editable groups.
2133 If FORCE (the prefix) is non-nil, all the articles in the group will
2134 be deleted. This is \"deleted\" as in \"removed forever from the face
2135 of the Earth\". There is no undo. The user will be prompted before
2136 doing the deletion."
2138 (list (gnus-group-group-name)
2139 current-prefix-arg))
2141 (error "No group to rename"))
2142 (unless (gnus-check-backend-function 'request-delete-group group)
2143 (error "This backend does not support group deletion"))
2145 (if (and (not no-prompt)
2146 (not (gnus-yes-or-no-p
2148 "Do you really want to delete %s%s? "
2149 group (if force " and all its contents" "")))))
2151 (gnus-message 6 "Deleting group %s..." group)
2152 (if (not (gnus-request-delete-group group force))
2153 (gnus-error 3 "Couldn't delete group %s" group)
2154 (gnus-message 6 "Deleting group %s...done" group)
2155 (gnus-group-goto-group group)
2156 (gnus-group-kill-group 1 t)
2157 (gnus-sethash group nil gnus-active-hashtb)
2159 (gnus-group-position-point)))
2161 (defun gnus-group-rename-group (group new-name)
2162 "Rename group from GROUP to NEW-NAME.
2163 When used interactively, GROUP is the group under point
2164 and NEW-NAME will be prompted for."
2167 (gnus-group-group-name)
2169 (unless (gnus-check-backend-function
2170 'request-rename-group (gnus-group-group-name))
2171 (error "This backend does not support renaming groups"))
2172 (gnus-read-group "Rename group to: "
2173 (gnus-group-real-name (gnus-group-group-name))))))
2175 (unless (gnus-check-backend-function 'request-rename-group group)
2176 (error "This backend does not support renaming groups"))
2178 (error "No group to rename"))
2179 (when (equal (gnus-group-real-name group) new-name)
2180 (error "Can't rename to the same name"))
2182 ;; We find the proper prefixed name.
2184 (if (gnus-group-native-p group)
2188 (gnus-group-prefixed-name
2189 (gnus-group-real-name new-name)
2190 (gnus-info-method (gnus-get-info group)))))
2192 (gnus-message 6 "Renaming group %s to %s..." group new-name)
2195 (gnus-group-goto-group group)
2196 (not (when (< (gnus-group-group-level) gnus-level-zombie)
2197 (gnus-request-rename-group group new-name))))
2198 (gnus-error 3 "Couldn't rename group %s to %s" group new-name)
2199 ;; We rename the group internally by killing it...
2200 (gnus-group-kill-group)
2201 ;; ... changing its name ...
2202 (setcar (cdar gnus-list-of-killed-groups) new-name)
2203 ;; ... and then yanking it. Magic!
2204 (gnus-group-yank-group)
2205 (gnus-set-active new-name (gnus-active group))
2206 (gnus-message 6 "Renaming group %s to %s...done" group new-name)
2208 (setq gnus-killed-list (delete group gnus-killed-list))
2209 (gnus-set-active group nil)
2210 (gnus-dribble-touch)
2211 (gnus-group-position-point)))
2213 (defun gnus-group-edit-group (group &optional part)
2214 "Edit the group on the current line."
2215 (interactive (list (gnus-group-group-name)))
2216 (let ((part (or part 'info))
2219 (error "No group on current line"))
2220 (unless (setq info (gnus-get-info group))
2221 (error "Killed group; can't be edited"))
2223 (gnus-close-group group))
2225 ;; Find the proper form to edit.
2226 (cond ((eq part 'method)
2227 (or (gnus-info-method info) "native"))
2229 (gnus-info-params info))
2231 ;; The proper documentation.
2233 "Editing the %s for `%s'."
2235 ((eq part 'method) "select method")
2236 ((eq part 'params) "group parameters")
2238 (gnus-group-decoded-name group))
2240 (gnus-group-edit-group-done ',part ,group form)))
2243 (gnus-create-info-command
2246 "(gnus)Select Methods")
2248 "(gnus)Group Parameters")
2250 "(gnus)Group Info"))))))
2252 (defun gnus-group-edit-group-method (group)
2253 "Edit the select method of GROUP."
2254 (interactive (list (gnus-group-group-name)))
2255 (gnus-group-edit-group group 'method))
2257 (defun gnus-group-edit-group-parameters (group)
2258 "Edit the group parameters of GROUP."
2259 (interactive (list (gnus-group-group-name)))
2260 (gnus-group-edit-group group 'params))
2262 (defun gnus-group-edit-group-done (part group form)
2264 (let* ((method (cond ((eq part 'info) (nth 4 form))
2265 ((eq part 'method) form)
2267 (info (cond ((eq part 'info) form)
2268 ((eq part 'method) (gnus-get-info group))
2271 (if (or (not method)
2273 gnus-select-method method))
2274 (gnus-group-real-name (car info))
2275 (gnus-group-prefixed-name
2276 (gnus-group-real-name (car info)) method))
2278 (when (and new-group
2279 (not (equal new-group group)))
2280 (when (gnus-group-goto-group group)
2281 (gnus-group-kill-group 1))
2282 (gnus-activate-group new-group))
2284 (if (not (and info new-group))
2285 (gnus-group-set-info form (or new-group group) part)
2286 (setq info (gnus-copy-sequence info))
2287 (setcar info new-group)
2288 (unless (gnus-server-equal method "native")
2289 (unless (nthcdr 3 info)
2290 (nconc info (list nil nil)))
2291 (unless (nthcdr 4 info)
2292 (nconc info (list nil)))
2293 (gnus-info-set-method info method))
2294 (gnus-group-set-info info))
2295 (gnus-group-update-group (or new-group group))
2296 (gnus-group-position-point)))
2298 (defun gnus-group-make-useful-group (group method)
2299 "Create one of the groups described in `gnus-useful-groups'."
2301 (let ((entry (assoc (completing-read "Create group: " gnus-useful-groups
2303 gnus-useful-groups)))
2304 (list (cadr entry) (caddr entry))))
2305 (setq method (gnus-copy-sequence method))
2307 (while (setq entry (memq (assq 'eval method) method))
2308 (setcar entry (eval (cadar entry)))))
2309 (gnus-group-make-group group method))
2311 (defun gnus-group-make-help-group ()
2312 "Create the Gnus documentation group."
2314 (let ((name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help")))
2315 (file (nnheader-find-etc-directory "gnus-tut.txt" t)))
2316 (when (gnus-gethash name gnus-newsrc-hashtb)
2317 (error "Documentation group already exists"))
2319 (gnus-message 1 "Couldn't find doc group")
2320 (gnus-group-make-group
2321 (gnus-group-real-name name)
2322 (list 'nndoc "gnus-help"
2323 (list 'nndoc-address file)
2324 (list 'nndoc-article-type 'mbox)))))
2325 (gnus-group-position-point))
2327 (defun gnus-group-make-doc-group (file type)
2328 "Create a group that uses a single file as the source."
2330 (list (read-file-name "File name: ")
2331 (and current-prefix-arg 'ask)))
2332 (when (eq type 'ask)
2337 "%sFile type (mbox, babyl, digest, forward, mmdf, guess) [mbdfag]: "
2339 (setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
2340 ((= char ?b) 'babyl)
2341 ((= char ?d) 'digest)
2342 ((= char ?f) 'forward)
2344 ((= char ?g) 'guess)
2345 (t (setq err (format "%c unknown. " char))
2348 (let* ((file (expand-file-name file))
2349 (name (gnus-generate-new-group-name
2350 (gnus-group-prefixed-name
2351 (file-name-nondirectory file) '(nndoc "")))))
2352 (gnus-group-make-group
2353 (gnus-group-real-name name)
2355 (list 'nndoc-address file)
2356 (list 'nndoc-article-type (or type 'guess))))))
2358 (defvar nnweb-type-definition)
2359 (defvar gnus-group-web-type-history nil)
2360 (defvar gnus-group-web-search-history nil)
2361 (defun gnus-group-make-web-group (&optional solid)
2362 "Create an ephemeral nnweb group.
2363 If SOLID (the prefix), create a solid group."
2367 (if solid (gnus-read-group "Group name: ")
2368 (message-unique-id)))
2369 (default-type (or (car gnus-group-web-type-history)
2370 (symbol-name (caar nnweb-type-definition))))
2374 (format "Search engine type (default %s): " default-type)
2375 (mapcar (lambda (elem) (list (symbol-name (car elem))))
2376 nnweb-type-definition)
2377 nil t nil 'gnus-group-web-type-history)
2382 (cons (or (car gnus-group-web-search-history) "") 0)
2383 'gnus-group-web-search-history))
2385 `(nnweb ,group (nnweb-search ,search)
2386 (nnweb-type ,(intern type))
2387 (nnweb-ephemeral-p t))))
2389 (gnus-group-make-group group "nnweb" "" `(,(intern type) ,search))
2390 (gnus-group-read-ephemeral-group
2392 (cons (current-buffer)
2393 (if (eq major-mode 'gnus-summary-mode) 'summary 'group))))))
2395 (defvar nnwarchive-type-definition)
2396 (defvar gnus-group-warchive-type-history nil)
2397 (defvar gnus-group-warchive-login-history nil)
2398 (defvar gnus-group-warchive-address-history nil)
2400 (defun gnus-group-make-warchive-group ()
2401 "Create a nnwarchive group."
2403 (require 'nnwarchive)
2404 (let* ((group (gnus-read-group "Group name: "))
2405 (default-type (or (car gnus-group-warchive-type-history)
2406 (symbol-name (caar nnwarchive-type-definition))))
2410 (format "Warchive type (default %s): " default-type)
2411 (mapcar (lambda (elem) (list (symbol-name (car elem))))
2412 nnwarchive-type-definition)
2413 nil t nil 'gnus-group-warchive-type-history)
2415 (address (read-string "Warchive address: "
2416 nil 'gnus-group-warchive-address-history))
2417 (default-login (or (car gnus-group-warchive-login-history)
2422 (format "Warchive login (default %s): " user-mail-address)
2423 default-login 'gnus-group-warchive-login-history)
2426 `(nnwarchive ,address
2427 (nnwarchive-type ,(intern type))
2428 (nnwarchive-login ,login))))
2429 (gnus-group-make-group group method)))
2431 (defun gnus-group-make-archive-group (&optional all)
2432 "Create the (ding) Gnus archive group of the most recent articles.
2433 Given a prefix, create a full group."
2435 (let ((group (gnus-group-prefixed-name
2436 (if all "ding.archives" "ding.recent") '(nndir ""))))
2437 (when (gnus-gethash group gnus-newsrc-hashtb)
2438 (error "Archive group already exists"))
2439 (gnus-group-make-group
2440 (gnus-group-real-name group)
2441 (list 'nndir (if all "hpc" "edu")
2442 (list 'nndir-directory
2443 (if all gnus-group-archive-directory
2444 gnus-group-recent-archive-directory))))
2445 (gnus-group-add-parameter group (cons 'to-address "ding@gnus.org"))))
2447 (defun gnus-group-make-directory-group (dir)
2448 "Create an nndir group.
2449 The user will be prompted for a directory. The contents of this
2450 directory will be used as a newsgroup. The directory should contain
2451 mail messages or news articles in files that have numeric names."
2453 (list (read-file-name "Create group from directory: ")))
2454 (unless (file-exists-p dir)
2455 (error "No such directory"))
2456 (unless (file-directory-p dir)
2457 (error "Not a directory"))
2461 (while (or (not group) (gnus-gethash group gnus-newsrc-hashtb))
2463 (gnus-group-prefixed-name
2464 (expand-file-name ext dir)
2466 (setq ext (format "<%d>" (setq i (1+ i)))))
2467 (gnus-group-make-group
2468 (gnus-group-real-name group)
2469 (list 'nndir (gnus-group-real-name group) (list 'nndir-directory dir)))))
2471 (eval-when-compile (defvar nnkiboze-score-file))
2472 (defun gnus-group-make-kiboze-group (group address scores)
2473 "Create an nnkiboze group.
2474 The user will be prompted for a name, a regexp to match groups, and
2475 score file entries for articles to include in the group."
2478 (read-string "nnkiboze group name: ")
2479 (read-string "Source groups (regexp): ")
2480 (let ((headers (mapcar (lambda (group) (list group))
2481 '("subject" "from" "number" "date" "message-id"
2482 "references" "chars" "lines" "xref"
2483 "followup" "all" "body" "head")))
2484 scores header regexp regexps)
2485 (while (not (equal "" (setq header (completing-read
2486 "Match on header: " headers nil t))))
2488 (while (not (equal "" (setq regexp (read-string
2489 (format "Match on %s (regexp): "
2491 (push (list regexp nil nil 'r) regexps))
2492 (push (cons header regexps) scores))
2494 (gnus-group-make-group group "nnkiboze" address)
2495 (let* ((nnkiboze-current-group group)
2496 (score-file (car (nnkiboze-score-file "")))
2497 (score-dir (file-name-directory score-file)))
2498 (unless (file-exists-p score-dir)
2499 (make-directory score-dir))
2500 (with-temp-file score-file
2501 (let (emacs-lisp-mode-hook)
2502 (pp scores (current-buffer))))))
2504 (defun gnus-group-add-to-virtual (n vgroup)
2505 "Add the current group to a virtual group."
2507 (list current-prefix-arg
2508 (completing-read "Add to virtual group: " gnus-newsrc-hashtb nil t
2510 (unless (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual)
2511 (error "%s is not an nnvirtual group" vgroup))
2512 (gnus-close-group vgroup)
2513 (let* ((groups (gnus-group-process-prefix n))
2514 (method (gnus-info-method (gnus-get-info vgroup))))
2515 (setcar (cdr method)
2517 (nth 1 method) "\\|"
2520 (gnus-group-remove-mark s)
2521 (concat "\\(^" (regexp-quote s) "$\\)"))
2523 (gnus-group-position-point))
2525 (defun gnus-group-make-empty-virtual (group)
2526 "Create a new, fresh, empty virtual group."
2527 (interactive "sCreate new, empty virtual group: ")
2528 (let* ((method (list 'nnvirtual "^$"))
2529 (pgroup (gnus-group-prefixed-name group method)))
2530 ;; Check whether it exists already.
2531 (when (gnus-gethash pgroup gnus-newsrc-hashtb)
2532 (error "Group %s already exists" pgroup))
2533 ;; Subscribe the new group after the group on the current line.
2534 (gnus-subscribe-group pgroup (gnus-group-group-name) method)
2535 (gnus-group-update-group pgroup)
2537 (gnus-group-position-point)))
2539 (defun gnus-group-enter-directory (dir)
2540 "Enter an ephemeral nneething group."
2541 (interactive "DDirectory to read: ")
2542 (let* ((method (list 'nneething dir '(nneething-read-only t)))
2543 (leaf (gnus-group-prefixed-name
2544 (file-name-nondirectory (directory-file-name dir))
2546 (name (gnus-generate-new-group-name leaf)))
2547 (unless (gnus-group-read-ephemeral-group
2549 (cons (current-buffer)
2550 (if (eq major-mode 'gnus-summary-mode)
2552 (error "Couldn't enter %s" dir))))
2555 (autoload 'nnimap-expunge "nnimap")
2556 (autoload 'nnimap-acl-get "nnimap")
2557 (autoload 'nnimap-acl-edit "nnimap"))
2559 (defun gnus-group-nnimap-expunge (group)
2560 "Expunge deleted articles in current nnimap GROUP."
2561 (interactive (list (gnus-group-group-name)))
2562 (let ((mailbox (gnus-group-real-name group)) method)
2564 (error "No group on current line"))
2565 (unless (gnus-get-info group)
2566 (error "Killed group; can't be edited"))
2567 (unless (eq 'nnimap (car (setq method (gnus-find-method-for-group group))))
2568 (error "%s is not an nnimap group" group))
2569 (nnimap-expunge mailbox (cadr method))))
2571 (defun gnus-group-nnimap-edit-acl (group)
2572 "Edit the Access Control List of current nnimap GROUP."
2573 (interactive (list (gnus-group-group-name)))
2574 (let ((mailbox (gnus-group-real-name group)) method acl)
2576 (error "No group on current line"))
2577 (unless (gnus-get-info group)
2578 (error "Killed group; can't be edited"))
2579 (unless (eq (car (setq method (gnus-find-method-for-group group))) 'nnimap)
2580 (error "%s is not an nnimap group" group))
2581 (unless (setq acl (nnimap-acl-get mailbox (cadr method)))
2582 (error "Server does not support ACL's"))
2583 (gnus-edit-form acl (format "Editing the access control list for `%s'.
2585 An access control list is a list of (identifier . rights) elements.
2587 The identifier string specifies the corresponding user. The
2588 identifier \"anyone\" is reserved to refer to the universal identity.
2590 Rights is a string listing a (possibly empty) set of alphanumeric
2591 characters, each character listing a set of operations which is being
2592 controlled. Letters are reserved for ``standard'' rights, listed
2593 below. Digits are reserved for implementation or site defined rights.
2595 l - lookup (mailbox is visible to LIST/LSUB commands)
2596 r - read (SELECT the mailbox, perform CHECK, FETCH, PARTIAL,
2597 SEARCH, COPY from mailbox)
2598 s - keep seen/unseen information across sessions (STORE \\SEEN flag)
2599 w - write (STORE flags other than \\SEEN and \\DELETED)
2600 i - insert (perform APPEND, COPY into mailbox)
2601 p - post (send mail to submission address for mailbox,
2602 not enforced by IMAP4 itself)
2603 c - create and delete mailbox (CREATE new sub-mailboxes in any
2604 implementation-defined hierarchy, RENAME or DELETE mailbox)
2605 d - delete messages (STORE \\DELETED flag, perform EXPUNGE)
2606 a - administer (perform SETACL)" group)
2609 ,mailbox ',method ',acl form)))))
2611 ;; Group sorting commands
2612 ;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>.
2614 (defun gnus-group-sort-groups (func &optional reverse)
2615 "Sort the group buffer according to FUNC.
2616 When used interactively, the sorting function used will be
2617 determined by the `gnus-group-sort-function' variable.
2618 If REVERSE (the prefix), reverse the sorting order."
2619 (interactive (list gnus-group-sort-function current-prefix-arg))
2620 (funcall gnus-group-sort-alist-function
2621 (gnus-make-sort-function func) reverse)
2622 (gnus-group-unmark-all-groups)
2623 (gnus-group-list-groups)
2624 (gnus-dribble-touch))
2626 (defun gnus-group-sort-flat (func reverse)
2627 ;; We peel off the dummy group from the alist.
2629 (when (equal (gnus-info-group (car gnus-newsrc-alist)) "dummy.group")
2630 (pop gnus-newsrc-alist))
2632 (setq gnus-newsrc-alist
2633 (sort gnus-newsrc-alist func))
2635 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)))
2636 ;; Regenerate the hash table.
2637 (gnus-make-hashtable-from-newsrc-alist)))
2639 (defun gnus-group-sort-groups-by-alphabet (&optional reverse)
2640 "Sort the group buffer alphabetically by group name.
2641 If REVERSE, sort in reverse order."
2643 (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse))
2645 (defun gnus-group-sort-groups-by-unread (&optional reverse)
2646 "Sort the group buffer by number of unread articles.
2647 If REVERSE, sort in reverse order."
2649 (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse))
2651 (defun gnus-group-sort-groups-by-level (&optional reverse)
2652 "Sort the group buffer by group level.
2653 If REVERSE, sort in reverse order."
2655 (gnus-group-sort-groups 'gnus-group-sort-by-level reverse))
2657 (defun gnus-group-sort-groups-by-score (&optional reverse)
2658 "Sort the group buffer by group score.
2659 If REVERSE, sort in reverse order."
2661 (gnus-group-sort-groups 'gnus-group-sort-by-score reverse))
2663 (defun gnus-group-sort-groups-by-rank (&optional reverse)
2664 "Sort the group buffer by group rank.
2665 If REVERSE, sort in reverse order."
2667 (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse))
2669 (defun gnus-group-sort-groups-by-method (&optional reverse)
2670 "Sort the group buffer alphabetically by backend name.
2671 If REVERSE, sort in reverse order."
2673 (gnus-group-sort-groups 'gnus-group-sort-by-method reverse))
2675 (defun gnus-group-sort-groups-by-server (&optional reverse)
2676 "Sort the group buffer alphabetically by server name.
2677 If REVERSE, sort in reverse order."
2679 (gnus-group-sort-groups 'gnus-group-sort-by-server reverse))
2681 ;;; Selected group sorting.
2683 (defun gnus-group-sort-selected-groups (n func &optional reverse)
2684 "Sort the process/prefixed groups."
2685 (interactive (list current-prefix-arg gnus-group-sort-function))
2686 (let ((groups (gnus-group-process-prefix n)))
2687 (funcall gnus-group-sort-selected-function
2688 groups (gnus-make-sort-function func) reverse)
2689 (gnus-group-unmark-all-groups)
2690 (gnus-group-list-groups)
2691 (gnus-dribble-touch)))
2693 (defun gnus-group-sort-selected-flat (groups func reverse)
2694 (let (entries infos)
2695 ;; First find all the group entries for these groups.
2697 (push (nthcdr 2 (gnus-gethash (pop groups) gnus-newsrc-hashtb))
2699 ;; Then sort the infos.
2703 (lambda (entry) (car entry))
2704 (setq entries (nreverse entries)))
2707 (setq infos (nreverse infos)))
2708 ;; Go through all the infos and replace the old entries
2709 ;; with the new infos.
2711 (setcar (car entries) (pop infos))
2713 ;; Update the hashtable.
2714 (gnus-make-hashtable-from-newsrc-alist)))
2716 (defun gnus-group-sort-selected-groups-by-alphabet (&optional n reverse)
2717 "Sort the group buffer alphabetically by group name.
2718 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2719 sort in reverse order."
2720 (interactive (gnus-interactive "P\ny"))
2721 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-alphabet reverse))
2723 (defun gnus-group-sort-selected-groups-by-unread (&optional n reverse)
2724 "Sort the group buffer by number of unread articles.
2725 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2726 sort in reverse order."
2727 (interactive (gnus-interactive "P\ny"))
2728 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-unread reverse))
2730 (defun gnus-group-sort-selected-groups-by-level (&optional n reverse)
2731 "Sort the group buffer by group level.
2732 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2733 sort in reverse order."
2734 (interactive (gnus-interactive "P\ny"))
2735 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-level reverse))
2737 (defun gnus-group-sort-selected-groups-by-score (&optional n reverse)
2738 "Sort the group buffer by group score.
2739 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2740 sort in reverse order."
2741 (interactive (gnus-interactive "P\ny"))
2742 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-score reverse))
2744 (defun gnus-group-sort-selected-groups-by-rank (&optional n reverse)
2745 "Sort the group buffer by group rank.
2746 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2747 sort in reverse order."
2748 (interactive (gnus-interactive "P\ny"))
2749 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-rank reverse))
2751 (defun gnus-group-sort-selected-groups-by-method (&optional n reverse)
2752 "Sort the group buffer alphabetically by backend name.
2753 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2754 sort in reverse order."
2755 (interactive (gnus-interactive "P\ny"))
2756 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-method reverse))
2758 ;;; Sorting predicates.
2760 (defun gnus-group-sort-by-alphabet (info1 info2)
2761 "Sort alphabetically."
2762 (string< (gnus-info-group info1) (gnus-info-group info2)))
2764 (defun gnus-group-sort-by-real-name (info1 info2)
2765 "Sort alphabetically on real (unprefixed) names."
2766 (string< (gnus-group-real-name (gnus-info-group info1))
2767 (gnus-group-real-name (gnus-info-group info2))))
2769 (defun gnus-group-sort-by-unread (info1 info2)
2770 "Sort by number of unread articles."
2771 (let ((n1 (car (gnus-gethash (gnus-info-group info1) gnus-newsrc-hashtb)))
2772 (n2 (car (gnus-gethash (gnus-info-group info2) gnus-newsrc-hashtb))))
2773 (< (or (and (numberp n1) n1) 0)
2774 (or (and (numberp n2) n2) 0))))
2776 (defun gnus-group-sort-by-level (info1 info2)
2778 (< (gnus-info-level info1) (gnus-info-level info2)))
2780 (defun gnus-group-sort-by-method (info1 info2)
2781 "Sort alphabetically by backend name."
2782 (string< (symbol-name (car (gnus-find-method-for-group
2783 (gnus-info-group info1) info1)))
2784 (symbol-name (car (gnus-find-method-for-group
2785 (gnus-info-group info2) info2)))))
2787 (defun gnus-group-sort-by-server (info1 info2)
2788 "Sort alphabetically by server name."
2789 (string< (gnus-method-to-server-name
2790 (gnus-find-method-for-group
2791 (gnus-info-group info1) info1))
2792 (gnus-method-to-server-name
2793 (gnus-find-method-for-group
2794 (gnus-info-group info2) info2))))
2796 (defun gnus-group-sort-by-score (info1 info2)
2797 "Sort by group score."
2798 (> (gnus-info-score info1) (gnus-info-score info2)))
2800 (defun gnus-group-sort-by-rank (info1 info2)
2801 "Sort by level and score."
2802 (let ((level1 (gnus-info-level info1))
2803 (level2 (gnus-info-level info2)))
2804 (or (< level1 level2)
2805 (and (= level1 level2)
2806 (> (gnus-info-score info1) (gnus-info-score info2))))))
2810 (defun gnus-group-clear-data (&optional arg)
2811 "Clear all marks and read ranges from the current group."
2813 (gnus-group-iterate arg
2816 (gnus-info-clear-data (setq info (gnus-get-info group)))
2817 (gnus-get-unread-articles-in-group info (gnus-active group) t)
2818 (when (gnus-group-goto-group group)
2819 (gnus-group-update-group-line))))))
2821 (defun gnus-group-clear-data-on-native-groups ()
2822 "Clear all marks and read ranges from all native groups."
2824 (when (gnus-yes-or-no-p "Really clear all data from almost all groups? ")
2825 (let ((alist (cdr gnus-newsrc-alist))
2827 (while (setq info (pop alist))
2828 (when (gnus-group-native-p (gnus-info-group info))
2829 (gnus-info-clear-data info)))
2830 (gnus-get-unread-articles)
2831 (gnus-dribble-touch)
2832 (when (gnus-y-or-n-p
2833 "Move the cache away to avoid problems in the future? ")
2834 (call-interactively 'gnus-cache-move-cache)))))
2836 (defun gnus-info-clear-data (info)
2837 "Clear all marks and read ranges from INFO."
2838 (let ((group (gnus-info-group info))
2840 (dolist (el (gnus-info-marks info))
2841 (push `(,(cdr el) add (,(car el))) action))
2842 (push `(,(gnus-info-read info) add (read)) action)
2845 (gnus-request-set-mark ,group ',action)
2846 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
2847 (gnus-info-set-read ',info ',(gnus-info-read info))
2848 (when (gnus-group-goto-group ,group)
2849 (gnus-get-unread-articles-in-group ',info ',(gnus-active group) t)
2850 (gnus-group-update-group-line))))
2851 (setq action (mapcar (lambda (el) (list (nth 0 el) 'del (nth 2 el)))
2853 (gnus-request-set-mark group action)
2854 (gnus-info-set-read info nil)
2855 (when (gnus-info-marks info)
2856 (gnus-info-set-marks info nil))))
2858 ;; Group catching up.
2860 (defun gnus-group-catchup-current (&optional n all)
2861 "Mark all unread articles in the current newsgroup as read.
2862 If prefix argument N is numeric, the next N newsgroups will be
2863 caught up. If ALL is non-nil, marked articles will also be marked as
2864 read. Cross references (Xref: header) of articles are ignored.
2865 The number of newsgroups that this function was unable to catch
2868 (let ((groups (gnus-group-process-prefix n))
2871 (unless groups (error "No groups selected"))
2873 (or (not gnus-interactive-catchup) ;Without confirmation?
2878 "Do you really want to mark all articles in %s as read? "
2879 "Mark all unread articles in %s as read? ")
2880 (if (= (length groups) 1)
2882 (format "these %d groups" (length groups)))))))
2884 (while (setq group (pop groups))
2885 (gnus-group-remove-mark group)
2886 ;; Virtual groups have to be given special treatment.
2887 (let ((method (gnus-find-method-for-group group)))
2888 (when (eq 'nnvirtual (car method))
2889 (nnvirtual-catchup-group
2890 (gnus-group-real-name group) (nth 1 method) all)))
2891 (if (>= (gnus-group-level group) gnus-level-zombie)
2892 (gnus-message 2 "Dead groups can't be caught up")
2894 (gnus-group-goto-group group)
2895 (gnus-group-catchup group all))
2896 (gnus-group-update-group-line)
2897 (setq ret (1+ ret)))))
2898 (gnus-group-next-unread-group 1)
2901 (defun gnus-group-catchup-current-all (&optional n)
2902 "Mark all articles in current newsgroup as read.
2903 Cross references (Xref: header) of articles are ignored."
2905 (gnus-group-catchup-current n 'all))
2907 (defun gnus-group-catchup (group &optional all)
2908 "Mark all articles in GROUP as read.
2909 If ALL is non-nil, all articles are marked as read.
2910 The return value is the number of articles that were marked as read,
2911 or nil if no action could be taken."
2912 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
2914 ;; Remove entries for this group.
2915 (nnmail-purge-split-history (gnus-group-real-name group))
2916 ;; Do the updating only if the newsgroup isn't killed.
2917 (if (not (numberp (car entry)))
2918 (gnus-message 1 "Can't catch up %s; non-active group" group)
2919 ;; Do auto-expirable marks if that's required.
2920 (when (gnus-group-auto-expirable-p group)
2921 (gnus-add-marked-articles
2922 group 'expire (gnus-list-of-unread-articles group))
2924 (let ((marks (nth 3 (nth 2 entry))))
2925 (gnus-add-marked-articles
2926 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks))))
2927 (gnus-add-marked-articles
2928 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks)))))))
2930 (gnus-update-read-articles group nil)
2931 ;; Also nix out the lists of marks and dormants.
2933 (gnus-add-marked-articles group 'tick nil nil 'force)
2934 (gnus-add-marked-articles group 'dormant nil nil 'force))
2935 (let ((gnus-newsgroup-name group))
2936 (gnus-run-hooks 'gnus-group-catchup-group-hook))
2939 (defun gnus-group-expire-articles (&optional n)
2940 "Expire all expirable articles in the current newsgroup."
2942 (let ((groups (gnus-group-process-prefix n))
2945 (error "No groups to expire"))
2946 (while (setq group (pop groups))
2947 (gnus-group-remove-mark group)
2948 (gnus-group-expire-articles-1 group)
2949 (gnus-dribble-touch)
2950 (gnus-group-position-point))))
2952 (defun gnus-group-expire-articles-1 (group)
2953 (when (gnus-check-backend-function 'request-expire-articles group)
2954 (gnus-message 6 "Expiring articles in %s..." group)
2955 (let* ((info (gnus-get-info group))
2956 (expirable (if (gnus-group-total-expirable-p group)
2957 (cons nil (gnus-list-of-read-articles group))
2958 (assq 'expire (gnus-info-marks info))))
2959 (expiry-wait (gnus-group-find-parameter group 'expiry-wait))
2960 (nnmail-expiry-target
2961 (or (gnus-group-find-parameter group 'expiry-target)
2962 nnmail-expiry-target)))
2964 (gnus-check-group group)
2967 (gnus-compress-sequence
2969 ;; We set the expiry variables to the group
2971 (let ((nnmail-expiry-wait-function nil)
2972 (nnmail-expiry-wait expiry-wait))
2973 (gnus-request-expire-articles
2974 (gnus-uncompress-sequence (cdr expirable)) group))
2975 ;; Just expire using the normal expiry values.
2976 (gnus-request-expire-articles
2977 (gnus-uncompress-sequence (cdr expirable)) group))))
2978 (gnus-close-group group))
2979 (gnus-message 6 "Expiring articles in %s...done" group)
2980 ;; Return the list of un-expired articles.
2983 (defun gnus-group-expire-all-groups ()
2984 "Expire all expirable articles in all newsgroups."
2987 (gnus-message 5 "Expiring...")
2988 (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info))
2989 (cdr gnus-newsrc-alist))))
2990 (gnus-group-expire-articles nil)))
2991 (gnus-group-position-point)
2992 (gnus-message 5 "Expiring...done"))
2994 (defun gnus-group-set-current-level (n level)
2995 "Set the level of the next N groups to LEVEL."
3000 (let ((s (read-string
3001 (format "Level (default %s): "
3002 (or (gnus-group-group-level)
3003 gnus-level-default-subscribed)))))
3004 (if (string-match "^\\s-*$" s)
3005 (int-to-string (or (gnus-group-group-level)
3006 gnus-level-default-subscribed))
3008 (unless (and (>= level 1) (<= level gnus-level-killed))
3009 (error "Invalid level: %d" level))
3010 (let ((groups (gnus-group-process-prefix n))
3012 (while (setq group (pop groups))
3013 (gnus-group-remove-mark group)
3014 (gnus-message 6 "Changed level of %s from %d to %d"
3015 group (or (gnus-group-group-level) gnus-level-killed)
3017 (gnus-group-change-level
3018 group level (or (gnus-group-group-level) gnus-level-killed))
3019 (gnus-group-update-group-line)))
3020 (gnus-group-position-point))
3022 (defun gnus-group-unsubscribe (&optional n)
3023 "Unsubscribe the current group."
3025 (gnus-group-unsubscribe-current-group n 'unsubscribe))
3027 (defun gnus-group-subscribe (&optional n)
3028 "Subscribe the current group."
3030 (gnus-group-unsubscribe-current-group n 'subscribe))
3032 (defun gnus-group-unsubscribe-current-group (&optional n do-sub)
3033 "Toggle subscription of the current group.
3034 If given numerical prefix, toggle the N next groups."
3036 (let ((groups (gnus-group-process-prefix n))
3039 (setq group (car groups)
3040 groups (cdr groups))
3041 (gnus-group-remove-mark group)
3042 (gnus-group-unsubscribe-group
3045 ((eq do-sub 'unsubscribe)
3046 gnus-level-default-unsubscribed)
3047 ((eq do-sub 'subscribe)
3048 gnus-level-default-subscribed)
3049 ((<= (gnus-group-group-level) gnus-level-subscribed)
3050 gnus-level-default-unsubscribed)
3052 gnus-level-default-subscribed))
3054 (gnus-group-update-group-line))
3055 (gnus-group-next-group 1)))
3057 (defun gnus-group-unsubscribe-group (group &optional level silent)
3058 "Toggle subscription to GROUP.
3059 Killed newsgroups are subscribed. If SILENT, don't try to update the
3062 (list (completing-read
3063 "Group: " gnus-active-hashtb nil
3064 (gnus-read-active-file-p)
3066 'gnus-group-history)))
3067 (let ((newsrc (gnus-gethash group gnus-newsrc-hashtb)))
3069 ((string-match "^[ \t]*$" group)
3070 (error "Empty group name"))
3072 ;; Toggle subscription flag.
3073 (gnus-group-change-level
3074 newsrc (if level level (if (<= (gnus-info-level (nth 2 newsrc))
3075 gnus-level-subscribed)
3076 (1+ gnus-level-subscribed)
3077 gnus-level-default-subscribed)))
3079 (gnus-group-update-group group)))
3080 ((and (stringp group)
3081 (or (not (gnus-read-active-file-p))
3082 (gnus-active group)))
3083 ;; Add new newsgroup.
3084 (gnus-group-change-level
3086 (if level level gnus-level-default-subscribed)
3087 (or (and (member group gnus-zombie-list)
3090 (when (gnus-group-group-name)
3091 (gnus-gethash (gnus-group-group-name) gnus-newsrc-hashtb)))
3093 (gnus-group-update-group group)))
3094 (t (error "No such newsgroup: %s" group)))
3095 (gnus-group-position-point)))
3097 (defun gnus-group-transpose-groups (n)
3098 "Move the current newsgroup up N places.
3099 If given a negative prefix, move down instead. The difference between
3100 N and the number of steps taken is returned."
3102 (unless (gnus-group-group-name)
3103 (error "No group on current line"))
3104 (gnus-group-kill-group 1)
3106 (forward-line (- n))
3107 (gnus-group-yank-group)
3108 (gnus-group-position-point)))
3110 (defun gnus-group-kill-all-zombies (&optional dummy)
3111 "Kill all zombie newsgroups.
3112 The optional DUMMY should always be nil."
3113 (interactive (list (not (gnus-yes-or-no-p "Really kill all zombies? "))))
3115 (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list))
3116 (setq gnus-zombie-list nil)
3117 (gnus-dribble-touch)
3118 (gnus-group-list-groups)))
3120 (defun gnus-group-kill-region (begin end)
3121 "Kill newsgroups in current region (excluding current point).
3122 The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
3137 (beginning-of-line) ;Important when LINES < 1
3138 (gnus-group-kill-group lines)))
3140 (defun gnus-group-kill-group (&optional n discard)
3141 "Kill the next N groups.
3142 The killed newsgroups can be yanked by using \\[gnus-group-yank-group].
3143 However, only groups that were alive can be yanked; already killed
3144 groups or zombie groups can't be yanked.
3145 The return value is the name of the group that was killed, or a list
3148 (let ((buffer-read-only nil)
3149 (groups (gnus-group-process-prefix n))
3150 group entry level out)
3151 (if (< (length groups) 10)
3152 ;; This is faster when there are few groups.
3154 (push (setq group (pop groups)) out)
3155 (gnus-group-remove-mark group)
3156 (setq level (gnus-group-group-level))
3158 (when (and (not discard)
3159 (setq entry (gnus-gethash group gnus-newsrc-hashtb)))
3162 (gnus-group-goto-group ,(gnus-group-group-name))
3163 (gnus-group-yank-group)))
3164 (push (cons (car entry) (nth 2 entry))
3165 gnus-list-of-killed-groups))
3166 (gnus-group-change-level
3167 (if entry entry group) gnus-level-killed (if entry nil level))
3168 (message "Killed group %s" group))
3169 ;; If there are lots and lots of groups to be killed, we use
3170 ;; this thing instead.
3172 (setq groups (nreverse groups))
3174 (gnus-group-remove-mark (setq group (pop groups)))
3176 (push group gnus-killed-list)
3177 (setq gnus-newsrc-alist
3178 (delq (assoc group gnus-newsrc-alist)
3180 (when gnus-group-change-level-function
3181 (funcall gnus-group-change-level-function
3182 group gnus-level-killed 3))
3184 ((setq entry (gnus-gethash group gnus-newsrc-hashtb))
3185 (push (cons (car entry) (nth 2 entry))
3186 gnus-list-of-killed-groups)
3187 (setcdr (cdr entry) (cdddr entry)))
3188 ((member group gnus-zombie-list)
3189 (setq gnus-zombie-list (delete group gnus-zombie-list))))
3190 ;; There may be more than one instance displayed.
3191 (while (gnus-group-goto-group group)
3192 (gnus-delete-line)))
3193 (gnus-make-hashtable-from-newsrc-alist)))
3195 (gnus-group-position-point)
3196 (if (< (length out) 2) (car out) (nreverse out))))
3198 (defun gnus-group-yank-group (&optional arg)
3199 "Yank the last newsgroups killed with \\[gnus-group-kill-group], inserting it before the current newsgroup.
3200 The numeric ARG specifies how many newsgroups are to be yanked. The
3201 name of the newsgroup yanked is returned, or (if several groups are
3202 yanked) a list of yanked groups is returned."
3204 (setq arg (or arg 1))
3205 (let (info group prev out)
3206 (while (>= (decf arg) 0)
3207 (when (not (setq info (pop gnus-list-of-killed-groups)))
3208 (error "No more newsgroups to yank"))
3209 (push (setq group (nth 1 info)) out)
3210 ;; Find which newsgroup to insert this one before - search
3211 ;; backward until something suitable is found. If there are no
3212 ;; other newsgroups in this buffer, just make this newsgroup the
3214 (setq prev (gnus-group-group-name))
3215 (gnus-group-change-level
3216 info (gnus-info-level (cdr info)) gnus-level-killed
3217 (and prev (gnus-gethash prev gnus-newsrc-hashtb))
3219 (gnus-group-insert-group-line-info group)
3221 `(when (gnus-group-goto-group ,group)
3222 (gnus-group-kill-group 1))))
3224 (gnus-group-position-point)
3225 (if (< (length out) 2) (car out) (nreverse out))))
3227 (defun gnus-group-kill-level (level)
3228 "Kill all groups that is on a certain LEVEL."
3229 (interactive "nKill all groups on level: ")
3231 ((= level gnus-level-zombie)
3232 (setq gnus-killed-list
3233 (nconc gnus-zombie-list gnus-killed-list))
3234 (setq gnus-zombie-list nil))
3235 ((and (< level gnus-level-zombie)
3237 (or gnus-expert-user
3240 "Do you really want to kill all groups on level %d? "
3242 (let* ((prev gnus-newsrc-alist)
3245 (if (= (gnus-info-level (car alist)) level)
3247 (push (gnus-info-group (car alist)) gnus-killed-list)
3248 (setcdr prev (cdr alist)))
3250 (setq alist (cdr alist)))
3251 (gnus-make-hashtable-from-newsrc-alist)
3252 (gnus-group-list-groups)))
3254 (error "Can't kill; invalid level: %d" level))))
3256 (defun gnus-group-list-all-groups (&optional arg)
3257 "List all newsgroups with level ARG or lower.
3258 Default is gnus-level-unsubscribed, which lists all subscribed and most
3259 unsubscribed groups."
3261 (gnus-group-list-groups (or arg gnus-level-unsubscribed) t))
3263 ;; Redefine this to list ALL killed groups if prefix arg used.
3264 ;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom).
3265 (defun gnus-group-list-killed (&optional arg)
3266 "List all killed newsgroups in the group buffer.
3267 If ARG is non-nil, list ALL killed groups known to Gnus. This may
3268 entail asking the server for the groups."
3270 ;; Find all possible killed newsgroups if arg.
3272 (gnus-get-killed-groups))
3273 (if (not gnus-killed-list)
3274 (gnus-message 6 "No killed groups")
3275 (let (gnus-group-list-mode)
3276 (funcall gnus-group-prepare-function
3277 gnus-level-killed t gnus-level-killed))
3278 (goto-char (point-min)))
3279 (gnus-group-position-point))
3281 (defun gnus-group-list-zombies ()
3282 "List all zombie newsgroups in the group buffer."
3284 (if (not gnus-zombie-list)
3285 (gnus-message 6 "No zombie groups")
3286 (let (gnus-group-list-mode)
3287 (funcall gnus-group-prepare-function
3288 gnus-level-zombie t gnus-level-zombie))
3289 (goto-char (point-min)))
3290 (gnus-group-position-point))
3292 (defun gnus-group-list-active ()
3293 "List all groups that are available from the server(s)."
3295 ;; First we make sure that we have really read the active file.
3296 (unless (gnus-read-active-file-p)
3297 (let ((gnus-read-active-file t)
3298 (gnus-agent nil)) ; Trick the agent into ignoring the active file.
3299 (gnus-read-active-file)))
3300 ;; Find all groups and sort them.
3308 (push (symbol-name sym) list)))
3312 (buffer-read-only nil)
3316 (setq group (pop groups))
3317 (gnus-add-text-properties
3318 (point) (prog1 (1+ (point))
3320 (gnus-group-decoded-name group)
3322 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
3324 'gnus-level (inline (gnus-group-level group)))))
3325 (goto-char (point-min))))
3327 (defun gnus-activate-all-groups (level)
3328 "Activate absolutely all groups."
3329 (interactive (list gnus-level-unsubscribed))
3330 (let ((gnus-activate-level level)
3331 (gnus-activate-foreign-newsgroups level))
3332 (gnus-group-get-new-news)))
3334 (defun gnus-group-get-new-news (&optional arg)
3335 "Get newly arrived articles.
3336 If ARG is a number, it specifies which levels you are interested in
3337 re-scanning. If ARG is non-nil and not a number, this will force
3338 \"hard\" re-reading of the active files from all servers."
3341 (let ((gnus-inhibit-demon t)
3342 ;; Binding this variable will inhibit multiple fetchings
3343 ;; of the same mail source.
3344 (nnmail-fetched-sources (list t)))
3345 (gnus-run-hooks 'gnus-get-new-news-hook)
3347 ;; Read any slave files.
3349 (gnus-master-read-slave-newsrc))
3351 ;; We might read in new NoCeM messages here.
3352 (when (and gnus-use-nocem
3354 (gnus-nocem-scan-groups))
3355 ;; If ARG is not a number, then we read the active file.
3356 (when (and arg (not (numberp arg)))
3357 (let ((gnus-read-active-file t))
3358 (gnus-read-active-file))
3361 ;; If the user wants it, we scan for new groups.
3362 (when (eq gnus-check-new-newsgroups 'always)
3363 (gnus-find-new-newsgroups)))
3365 (setq arg (gnus-group-default-level arg t))
3366 (if (and gnus-read-active-file (not arg))
3368 (gnus-read-active-file)
3369 (gnus-get-unread-articles arg))
3370 (let ((gnus-read-active-file (if arg nil gnus-read-active-file)))
3371 (gnus-get-unread-articles arg)))
3372 (gnus-run-hooks 'gnus-after-getting-new-news-hook)
3373 (gnus-group-list-groups (and (numberp arg)
3374 (max (car gnus-group-list-mode) arg)))))
3376 (defun gnus-group-get-new-news-this-group (&optional n dont-scan)
3377 "Check for newly arrived news in the current group (and the N-1 next groups).
3378 The difference between N and the number of newsgroup checked is returned.
3379 If N is negative, this group and the N-1 previous groups will be checked."
3381 (let* ((groups (gnus-group-process-prefix n))
3382 (ret (if (numberp n) (- n (length groups)) 0))
3386 (gnus-inhibit-demon t)
3387 ;; Binding this variable will inhibit multiple fetchings
3388 ;; of the same mail source.
3389 (nnmail-fetched-sources (list t)))
3390 (gnus-run-hooks 'gnus-get-new-news-hook)
3391 (while (setq group (pop groups))
3392 (gnus-group-remove-mark group)
3393 ;; Bypass any previous denials from the server.
3394 (gnus-remove-denial (setq method (gnus-find-method-for-group group)))
3395 (if (gnus-activate-group group (if dont-scan nil 'scan))
3397 (gnus-get-unread-articles-in-group
3398 (gnus-get-info group) (gnus-active group) t)
3399 (unless (gnus-virtual-group-p group)
3400 (gnus-close-group group))
3402 (gnus-agent-save-group-info
3403 method (gnus-group-real-name group) (gnus-active group)))
3404 (gnus-group-update-group group))
3405 (if (eq (gnus-server-status (gnus-find-method-for-group group))
3407 (gnus-error 3 "Server denied access")
3408 (gnus-error 3 "%s error: %s" group (gnus-status-message group)))))
3411 (when gnus-goto-next-group-when-activating
3412 (gnus-group-next-unread-group 1 t))
3413 (gnus-summary-position-point)
3416 (defun gnus-group-fetch-faq (group &optional faq-dir)
3417 "Fetch the FAQ for the current group.
3418 If given a prefix argument, prompt for the FAQ dir
3422 (gnus-group-group-name)
3423 (when current-prefix-arg
3425 "Faq dir: " (and (listp gnus-group-faq-directory)
3427 gnus-group-faq-directory))))))
3429 (error "No group name given"))
3430 (let ((dirs (or faq-dir gnus-group-faq-directory))
3432 (unless (listp dirs)
3433 (setq dirs (list dirs)))
3434 (while (and (not found)
3435 (setq dir (pop dirs)))
3436 (let ((name (gnus-group-real-name group)))
3437 (setq file (expand-file-name name dir)))
3438 (if (not (file-exists-p file))
3439 (gnus-message 1 "No such file: %s" file)
3440 (let ((enable-local-variables nil))
3444 (defun gnus-group-describe-group (force &optional group)
3445 "Display a description of the current newsgroup."
3446 (interactive (list current-prefix-arg (gnus-group-group-name)))
3447 (let* ((method (gnus-find-method-for-group group))
3448 (mname (gnus-group-prefixed-name "" method))
3451 gnus-description-hashtb)
3452 (gnus-sethash mname nil gnus-description-hashtb))
3454 (error "No group name given"))
3455 (when (or (and gnus-description-hashtb
3456 ;; We check whether this group's method has been
3457 ;; queried for a description file.
3458 (gnus-gethash mname gnus-description-hashtb))
3459 (setq desc (gnus-group-get-description group))
3460 (gnus-read-descriptions-file method))
3462 (or desc (gnus-gethash group gnus-description-hashtb)
3463 "No description available")))))
3465 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
3466 (defun gnus-group-describe-all-groups (&optional force)
3467 "Pop up a buffer with descriptions of all newsgroups."
3470 (setq gnus-description-hashtb nil))
3471 (when (not (or gnus-description-hashtb
3472 (gnus-read-all-descriptions-files)))
3473 (error "Couldn't request descriptions file"))
3474 (let ((buffer-read-only nil)
3480 (let ((charset (gnus-group-name-charset nil (symbol-name group))))
3481 (insert (format " *: %-20s %s\n"
3482 (gnus-group-name-decode
3483 (symbol-name group) charset)
3484 (gnus-group-name-decode
3485 (symbol-value group) charset))))
3486 (gnus-add-text-properties
3487 b (1+ b) (list 'gnus-group group
3488 'gnus-unread t 'gnus-marked nil
3489 'gnus-level (1+ gnus-level-subscribed))))
3490 gnus-description-hashtb)
3491 (goto-char (point-min))
3492 (gnus-group-position-point)))
3494 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
3495 (defun gnus-group-apropos (regexp &optional search-description)
3496 "List all newsgroups that have names that match a regexp."
3497 (interactive "sGnus apropos (regexp): ")
3499 (obuf (current-buffer))
3501 ;; Go through all newsgroups that are known to Gnus.
3504 (and (symbol-name group)
3505 (string-match regexp (symbol-name group))
3506 (symbol-value group)
3507 (push (symbol-name group) groups)))
3509 ;; Also go through all descriptions that are known to Gnus.
3510 (when search-description
3513 (and (string-match regexp (symbol-value group))
3514 (push (symbol-name group) groups)))
3515 gnus-description-hashtb))
3517 (gnus-message 3 "No groups matched \"%s\"." regexp)
3518 ;; Print out all the groups.
3520 (pop-to-buffer "*Gnus Help*")
3521 (buffer-disable-undo)
3523 (setq groups (sort groups 'string<))
3525 ;; Groups may be entered twice into the list of groups.
3526 (when (not (string= (car groups) prev))
3527 (setq prev (car groups))
3528 (let ((charset (gnus-group-name-charset nil prev)))
3529 (insert (gnus-group-name-decode prev charset) "\n")
3530 (when (and gnus-description-hashtb
3531 (setq des (gnus-gethash (car groups)
3532 gnus-description-hashtb)))
3533 (insert " " (gnus-group-name-decode des charset) "\n"))))
3534 (setq groups (cdr groups)))
3535 (goto-char (point-min))))
3536 (pop-to-buffer obuf)))
3538 (defun gnus-group-description-apropos (regexp)
3539 "List all newsgroups that have names or descriptions that match a regexp."
3540 (interactive "sGnus description apropos (regexp): ")
3541 (when (not (or gnus-description-hashtb
3542 (gnus-read-all-descriptions-files)))
3543 (error "Couldn't request descriptions file"))
3544 (gnus-group-apropos regexp t))
3546 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
3547 (defun gnus-group-list-matching (level regexp &optional all lowest)
3548 "List all groups with unread articles that match REGEXP.
3549 If the prefix LEVEL is non-nil, it should be a number that says which
3550 level to cut off listing groups.
3551 If ALL, also list groups with no unread articles.
3552 If LOWEST, don't list groups with level lower than LOWEST.
3554 This command may read the active file."
3555 (interactive "P\nsList newsgroups matching: ")
3556 ;; First make sure active file has been read.
3558 (> (prefix-numeric-value level) gnus-level-killed))
3559 (gnus-get-killed-groups))
3560 (funcall gnus-group-prepare-function
3561 (or level gnus-level-subscribed) (and all t) (or lowest 1) regexp)
3562 (goto-char (point-min))
3563 (gnus-group-position-point))
3565 (defun gnus-group-list-all-matching (level regexp &optional lowest)
3566 "List all groups that match REGEXP.
3567 If the prefix LEVEL is non-nil, it should be a number that says which
3568 level to cut off listing groups.
3569 If LOWEST, don't list groups with level lower than LOWEST."
3570 (interactive "P\nsList newsgroups matching: ")
3572 (setq level (prefix-numeric-value level)))
3573 (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest))
3575 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
3576 (defun gnus-group-save-newsrc (&optional force)
3577 "Save the Gnus startup files.
3578 If FORCE, force saving whether it is necessary or not."
3580 (gnus-save-newsrc-file force))
3582 (defun gnus-group-restart (&optional arg)
3583 "Force Gnus to read the .newsrc file."
3585 (when (gnus-yes-or-no-p
3586 (format "Are you sure you want to restart Gnus? "))
3587 (gnus-save-newsrc-file)
3591 (defun gnus-group-read-init-file ()
3592 "Read the Gnus elisp init file."
3594 (gnus-read-init-file)
3595 (gnus-message 5 "Read %s" gnus-init-file))
3597 (defun gnus-group-check-bogus-groups (&optional silent)
3598 "Check bogus newsgroups.
3599 If given a prefix, don't ask for confirmation before removing a bogus
3602 (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user)))
3603 (gnus-group-list-groups))
3605 (defun gnus-group-find-new-groups (&optional arg)
3606 "Search for new groups and add them.
3607 Each new group will be treated with `gnus-subscribe-newsgroup-method.'
3608 With 1 C-u, use the `ask-server' method to query the server for new
3610 With 2 C-u's, use most complete method possible to query the server
3611 for new groups, and subscribe the new groups as zombies."
3613 (gnus-find-new-newsgroups (or arg 1))
3614 (gnus-group-list-groups))
3616 (defun gnus-group-edit-global-kill (&optional article group)
3617 "Edit the global kill file.
3618 If GROUP, edit that local kill file instead."
3620 (setq gnus-current-kill-article article)
3621 (gnus-kill-file-edit-file group)
3624 (substitute-command-keys
3625 (format "Editing a %s kill file (Type \\[gnus-kill-file-exit] to exit)"
3626 (if group "local" "global")))))
3628 (defun gnus-group-edit-local-kill (article group)
3629 "Edit a local kill file."
3630 (interactive (list nil (gnus-group-group-name)))
3631 (gnus-group-edit-global-kill article group))
3633 (defun gnus-group-force-update ()
3634 "Update `.newsrc' file."
3636 (gnus-save-newsrc-file))
3638 (defun gnus-group-suspend ()
3639 "Suspend the current Gnus session.
3640 In fact, cleanup buffers except for group mode buffer.
3641 The hook gnus-suspend-gnus-hook is called before actually suspending."
3643 (gnus-run-hooks 'gnus-suspend-gnus-hook)
3644 (gnus-offer-save-summaries)
3645 ;; Kill Gnus buffers except for group mode buffer.
3646 (let ((group-buf (get-buffer gnus-group-buffer)))
3647 (mapcar (lambda (buf)
3648 (unless (member buf (list group-buf gnus-dribble-buffer))
3649 (gnus-kill-buffer buf)))
3651 (gnus-kill-gnus-frames)
3653 (bury-buffer group-buf)
3654 (delete-windows-on group-buf t))))
3656 (defun gnus-group-clear-dribble ()
3657 "Clear all information from the dribble buffer."
3659 (gnus-dribble-clear)
3660 (gnus-message 7 "Cleared dribble buffer"))
3662 (defun gnus-group-exit ()
3663 "Quit reading news after updating .newsrc.eld and .newsrc.
3664 The hook `gnus-exit-gnus-hook' is called before actually exiting."
3667 (or noninteractive ;For gnus-batch-kill
3668 (not gnus-interactive-exit) ;Without confirmation
3670 (gnus-y-or-n-p "Are you sure you want to quit reading news? "))
3671 (gnus-run-hooks 'gnus-exit-gnus-hook)
3672 ;; Offer to save data from non-quitted summary buffers.
3673 (gnus-offer-save-summaries)
3674 ;; Save the newsrc file(s).
3675 (gnus-save-newsrc-file)
3677 (gnus-close-backends)
3678 ;; Reset everything.
3680 ;; Allow the user to do things after cleaning up.
3681 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
3683 (defun gnus-group-quit ()
3684 "Quit reading news without updating .newsrc.eld or .newsrc.
3685 The hook `gnus-exit-gnus-hook' is called before actually exiting."
3687 (when (or noninteractive ;For gnus-batch-kill
3688 (zerop (buffer-size))
3689 (not (gnus-server-opened gnus-select-method))
3691 (not gnus-current-startup-file)
3693 (format "Quit reading news without saving %s? "
3694 (file-name-nondirectory gnus-current-startup-file))))
3695 (gnus-run-hooks 'gnus-exit-gnus-hook)
3696 (gnus-configure-windows 'group t)
3697 (when (and (gnus-buffer-live-p gnus-dribble-buffer)
3698 (not (zerop (save-excursion
3699 (set-buffer gnus-dribble-buffer)
3702 ";;; Gnus was exited on purpose without saving the .newsrc files."))
3704 (gnus-close-backends)
3706 (gnus-kill-buffer gnus-group-buffer)
3707 ;; Allow the user to do things after cleaning up.
3708 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
3710 (defun gnus-group-describe-briefly ()
3711 "Give a one line description of the group mode commands."
3713 (gnus-message 7 (substitute-command-keys "\\<gnus-group-mode-map>\\[gnus-group-read-group]:Select \\[gnus-group-next-unread-group]:Forward \\[gnus-group-prev-unread-group]:Backward \\[gnus-group-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-group-describe-briefly]:This help")))
3715 (defun gnus-group-browse-foreign-server (method)
3716 "Browse a foreign news server.
3717 If called interactively, this function will ask for a select method
3718 (nntp, nnspool, etc.) and a server address (eg. nntp.some.where).
3719 If not, METHOD should be a list where the first element is the method
3720 and the second element is the address."
3722 (list (let ((how (completing-read
3724 (append gnus-valid-select-methods gnus-server-alist)
3725 nil t (cons "nntp" 0) 'gnus-method-history)))
3726 ;; We either got a backend name or a virtual server name.
3727 ;; If the first, we also need an address.
3728 (if (assoc how gnus-valid-select-methods)
3730 ;; Suggested by mapjph@bath.ac.uk.
3733 (mapcar (lambda (server) (list server))
3734 gnus-secondary-servers)))
3735 ;; We got a server name.
3737 (gnus-browse-foreign-server method))
3739 (defun gnus-group-set-info (info &optional method-only-group part)
3740 (when (or info part)
3741 (let* ((entry (gnus-gethash
3742 (or method-only-group (gnus-info-group info))
3743 gnus-newsrc-hashtb))
3745 (info (if method-only-group (nth 2 entry) info))
3747 (when method-only-group
3749 (error "Trying to change non-existent group %s" method-only-group))
3750 ;; We have received parts of the actual group info - either the
3751 ;; select method or the group parameters. We first check
3752 ;; whether we have to extend the info, and if so, do that.
3753 (let ((len (length info))
3754 (total (if (eq part 'method) 5 6)))
3756 (setcdr (nthcdr (1- len) info)
3757 (make-list (- total len) nil)))
3758 ;; Then we enter the new info.
3759 (setcar (nthcdr (1- total) info) part-info)))
3761 ;; This is a new group, so we just create it.
3763 (set-buffer gnus-group-buffer)
3764 (setq method (gnus-info-method info))
3765 (when (gnus-server-equal method "native")
3768 (set-buffer gnus-group-buffer)
3770 ;; It's a foreign group...
3771 (gnus-group-make-group
3772 (gnus-group-real-name (gnus-info-group info))
3773 (if (stringp method) method
3774 (prin1-to-string (car method)))
3776 (nth 1 (gnus-info-method info))))
3777 ;; It's a native group.
3778 (gnus-group-make-group (gnus-info-group info))))
3779 (gnus-message 6 "Note: New group created")
3781 (gnus-gethash (gnus-group-prefixed-name
3782 (gnus-group-real-name (gnus-info-group info))
3783 (or (gnus-info-method info) gnus-select-method))
3784 gnus-newsrc-hashtb))))
3785 ;; Whether it was a new group or not, we now have the entry, so we
3786 ;; can do the update.
3789 (setcar (nthcdr 2 entry) info)
3790 (when (and (not (eq (car entry) t))
3791 (gnus-active (gnus-info-group info)))
3792 (setcar entry (length
3793 (gnus-list-of-unread-articles (car info))))))
3794 (error "No such group: %s" (gnus-info-group info))))))
3796 (defun gnus-group-set-method-info (group select-method)
3797 (gnus-group-set-info select-method group 'method))
3799 (defun gnus-group-set-params-info (group params)
3800 (gnus-group-set-info params group 'params))
3802 (defun gnus-add-marked-articles (group type articles &optional info force)
3803 ;; Add ARTICLES of TYPE to the info of GROUP.
3804 ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't
3805 ;; add, but replace marked articles of TYPE with ARTICLES.
3806 (let ((info (or info (gnus-get-info group)))
3809 (and (not (setq marked (nthcdr 3 info)))
3811 (setcdr (nthcdr 2 info)
3812 (list (list (cons type (gnus-compress-sequence
3814 (and (not (setq m (assq type (car marked))))
3817 (cons (cons type (gnus-compress-sequence articles t) )
3821 (setcar (nthcdr 3 info)
3822 (gnus-delete-alist type (car marked)))
3823 (setcdr m (gnus-compress-sequence articles t)))
3824 (setcdr m (gnus-compress-sequence
3825 (sort (nconc (gnus-uncompress-range (cdr m))
3826 (copy-sequence articles)) '<) t))))))
3828 (defun gnus-add-mark (group mark article)
3829 "Mark ARTICLE in GROUP with MARK, whether the group is displayed or not."
3830 (let ((buffer (gnus-summary-buffer-name group)))
3831 (if (gnus-buffer-live-p buffer)
3833 (set-buffer (get-buffer buffer))
3834 (gnus-summary-add-mark article mark))
3835 (gnus-add-marked-articles group (cdr (assq mark gnus-article-mark-lists))
3839 ;;; Group timestamps
3842 (defun gnus-group-set-timestamp ()
3843 "Change the timestamp of the current group to the current time.
3844 This function can be used in hooks like `gnus-select-group-hook'
3845 or `gnus-group-catchup-group-hook'."
3846 (when gnus-newsgroup-name
3847 (let ((time (current-time)))
3848 (setcdr (cdr time) nil)
3849 (gnus-group-set-parameter gnus-newsgroup-name 'timestamp time))))
3851 (defsubst gnus-group-timestamp (group)
3852 "Return the timestamp for GROUP."
3853 (gnus-group-get-parameter group 'timestamp t))
3855 (defun gnus-group-timestamp-delta (group)
3856 "Return the offset in seconds from the timestamp for GROUP to the current time, as a floating point number."
3857 (let* ((time (or (gnus-group-timestamp group)
3859 (delta (subtract-time (current-time) time)))
3860 (+ (* (nth 0 delta) 65536.0)
3863 (defun gnus-group-timestamp-string (group)
3864 "Return a string of the timestamp for GROUP."
3865 (let ((time (gnus-group-timestamp group)))
3868 (gnus-time-iso8601 time))))
3870 (defun gnus-group-list-cached (level &optional lowest)
3871 "List all groups with cached articles.
3872 If the prefix LEVEL is non-nil, it should be a number that says which
3873 level to cut off listing groups.
3874 If LOWEST, don't list groups with level lower than LOWEST.
3876 This command may read the active file."
3879 (setq level (prefix-numeric-value level)))
3880 (when (or (not level) (>= level gnus-level-zombie))
3882 (funcall gnus-group-prepare-function
3883 (or level gnus-level-subscribed)
3885 (let ((marks (gnus-info-marks info)))
3886 (assq 'cache marks)))
3889 (or (gnus-gethash group
3890 gnus-cache-active-hashtb)
3891 ;; Cache active file might use "."
3894 (mapconcat 'identity
3895 (split-string group ":")
3897 gnus-cache-active-hashtb))))
3898 (goto-char (point-min))
3899 (gnus-group-position-point))
3901 (defun gnus-group-list-dormant (level &optional lowest)
3902 "List all groups with dormant articles.
3903 If the prefix LEVEL is non-nil, it should be a number that says which
3904 level to cut off listing groups.
3905 If LOWEST, don't list groups with level lower than LOWEST.
3907 This command may read the active file."
3910 (setq level (prefix-numeric-value level)))
3911 (when (or (not level) (>= level gnus-level-zombie))
3913 (funcall gnus-group-prepare-function
3914 (or level gnus-level-subscribed)
3916 (let ((marks (gnus-info-marks info)))
3917 (assq 'dormant marks)))
3920 (goto-char (point-min))
3921 (gnus-group-position-point))
3923 (defun gnus-group-listed-groups ()
3924 "Return a list of listed groups."
3926 (goto-char (point-min))
3927 (while (setq point (text-property-not-all (point) (point-max)
3930 (push (symbol-name (get-text-property point 'gnus-group)) groups)
3934 (defun gnus-group-list-plus (&optional args)
3935 "List groups plus the current selection."
3937 (let ((gnus-group-listed-groups (gnus-group-listed-groups))
3938 (gnus-group-list-mode gnus-group-list-mode) ;; Save it.
3940 (push last-command-event unread-command-events)
3941 (if (featurep 'xemacs)
3942 (push (make-event 'key-press '(key ?A)) unread-command-events)
3943 (push ?A unread-command-events))
3944 (let (gnus-pick-mode keys)
3945 (setq keys (if (featurep 'xemacs)
3946 (events-to-keys (read-key-sequence nil))
3947 (read-key-sequence nil)))
3948 (setq func (lookup-key (current-local-map) keys)))
3952 (call-interactively func))))
3954 (defun gnus-group-list-flush (&optional args)
3955 "Flush groups from the current selection."
3957 (let ((gnus-group-list-option 'flush))
3958 (gnus-group-list-plus args)))
3960 (defun gnus-group-list-limit (&optional args)
3961 "List groups limited within the current selection."
3963 (let ((gnus-group-list-option 'limit))
3964 (gnus-group-list-plus args)))
3966 (defun gnus-group-mark-article-read (group article)
3967 "Mark ARTICLE read."
3968 (gnus-activate-group group)
3969 (let ((buffer (gnus-summary-buffer-name group))
3970 (mark gnus-read-mark))
3974 (with-current-buffer buffer
3975 (when gnus-newsgroup-prepared
3976 (when (and gnus-newsgroup-auto-expire
3977 (memq mark gnus-auto-expirable-marks))
3978 (setq mark gnus-expirable-mark))
3979 (setq mark (gnus-request-update-mark
3980 group article mark))
3981 (gnus-mark-article-as-read article mark)
3982 (setq gnus-newsgroup-active (gnus-active group))
3984 (gnus-group-make-articles-read group
3986 (when (gnus-group-auto-expirable-p group)
3987 (gnus-add-marked-articles
3988 group 'expire (list article))))))
3990 (provide 'gnus-group)
3992 ;;; gnus-group.el ends here