1 ;;; gnus-group.el --- group mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000
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))
41 (defcustom gnus-group-archive-directory
42 "*ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list/"
43 "*The address of the (ding) archives."
44 :group 'gnus-group-foreign
47 (defcustom gnus-group-recent-archive-directory
48 "*ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list-recent/"
49 "*The address of the most recent (ding) articles."
50 :group 'gnus-group-foreign
53 (defcustom gnus-no-groups-message "No gnus is bad news"
54 "*Message displayed by Gnus when no groups are available."
58 (defcustom gnus-keep-same-level nil
59 "*Non-nil means that the next newsgroup after the current will be on the same level.
60 When you type, for instance, `n' after reading the last article in the
61 current newsgroup, you will go to the next newsgroup. If this variable
62 is nil, the next newsgroup will be the next from the group
64 If this variable is non-nil, Gnus will either put you in the
65 next newsgroup with the same level, or, if no such newsgroup is
66 available, the next newsgroup with the lowest possible level higher
67 than the current level.
68 If this variable is `best', Gnus will make the next newsgroup the one
70 :group 'gnus-group-levels
71 :type '(choice (const nil)
73 (sexp :tag "other" t)))
75 (defcustom gnus-group-goto-unread t
76 "*If non-nil, movement commands will go to the next unread and subscribed group."
77 :link '(custom-manual "(gnus)Group Maneuvering")
78 :group 'gnus-group-various
81 (defcustom gnus-goto-next-group-when-activating t
82 "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group."
83 :link '(custom-manual "(gnus)Scanning New Messages")
84 :group 'gnus-group-various
87 (defcustom gnus-permanently-visible-groups nil
88 "*Regexp to match groups that should always be listed in the group buffer.
89 This means that they will still be listed even when there are no
90 unread articles in the groups.
92 If nil, no groups are permanently visible."
93 :group 'gnus-group-listing
94 :type '(choice regexp (const nil)))
96 (defcustom gnus-list-groups-with-ticked-articles t
97 "*If non-nil, list groups that have only ticked articles.
98 If nil, only list groups that have unread articles."
99 :group 'gnus-group-listing
102 (defcustom gnus-group-default-list-level gnus-level-subscribed
103 "*Default listing level.
104 Ignored if `gnus-group-use-permanent-levels' is non-nil."
105 :group 'gnus-group-listing
108 (defcustom gnus-group-list-inactive-groups t
109 "*If non-nil, inactive groups will be listed."
110 :group 'gnus-group-listing
111 :group 'gnus-group-levels
114 (defcustom gnus-group-sort-function 'gnus-group-sort-by-alphabet
115 "*Function used for sorting the group buffer.
116 This function will be called with group info entries as the arguments
117 for the groups to be sorted. Pre-made functions include
118 `gnus-group-sort-by-alphabet', `gnus-group-sort-by-real-name',
119 `gnus-group-sort-by-unread', `gnus-group-sort-by-level',
120 `gnus-group-sort-by-score', `gnus-group-sort-by-method', and
121 `gnus-group-sort-by-rank'.
123 This variable can also be a list of sorting functions. In that case,
124 the most significant sort function should be the last function in the
126 :group 'gnus-group-listing
127 :link '(custom-manual "(gnus)Sorting Groups")
128 :type '(radio (function-item gnus-group-sort-by-alphabet)
129 (function-item gnus-group-sort-by-real-name)
130 (function-item gnus-group-sort-by-unread)
131 (function-item gnus-group-sort-by-level)
132 (function-item gnus-group-sort-by-score)
133 (function-item gnus-group-sort-by-method)
134 (function-item gnus-group-sort-by-rank)
135 (function :tag "other" nil)))
137 (defcustom gnus-group-line-format "%M\%S\%p\%P\%5y: %(%g%)%l\n"
138 "*Format of group lines.
139 It works along the same lines as a normal formatting string,
140 with some simple extensions.
142 %M Only marked articles (character, \"*\" or \" \")
143 %S Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \")
144 %L Level of subscribedness (integer)
145 %N Number of unread articles (integer)
146 %I Number of dormant articles (integer)
147 %i Number of ticked and dormant (integer)
148 %T Number of ticked articles (integer)
149 %R Number of read articles (integer)
150 %t Estimated total number of articles (integer)
151 %y Number of unread, unticked articles (integer)
152 %G Group name (string)
153 %g Qualified group name (string)
154 %D Group description (string)
155 %s Select method (string)
156 %o Moderated group (char, \"m\")
157 %p Process mark (char)
158 %O Moderated group (string, \"(m)\" or \"\")
159 %P Topic indentation (string)
160 %m Whether there is new(ish) mail in the group (char, \"%\")
161 %l Whether there are GroupLens predictions for this group (string)
162 %n Select from where (string)
163 %z A string that look like `<%s:%n>' if a foreign select method is used
164 %d The date the group was last entered.
165 %E Icon as defined by `gnus-group-icon-list'.
166 %u User defined specifier. The next character in the format string should
167 be a letter. Gnus will call the function gnus-user-format-function-X,
168 where X is the letter following %u. The function will be passed the
169 current header as argument. The function should return a string, which
170 will be inserted into the buffer just like information from any other
173 Text between %( and %) will be highlighted with `gnus-mouse-face' when
174 the mouse point move inside the area. There can only be one such area.
176 Note that this format specification is not always respected. For
177 reasons of efficiency, when listing killed groups, this specification
178 is ignored altogether. If the spec is changed considerably, your
179 output may end up looking strange when listing both alive and killed
182 If you use %o or %O, reading the active file will be slower and quite
183 a bit of extra memory will be used. %D will also worsen performance.
184 Also note that if you change the format specification to include any
185 of these specs, you must probably re-start Gnus to see them go into
187 :group 'gnus-group-visual
190 (defcustom gnus-group-mode-line-format "Gnus: %%b {%M\%:%S}"
191 "*The format specification for the group mode line.
192 It works along the same lines as a normal formatting string,
193 with some simple extensions:
195 %S The native news server.
196 %M The native select method.
197 %: \":\" if %S isn't \"\"."
198 :group 'gnus-group-visual
201 (defcustom gnus-group-mode-hook nil
202 "Hook for Gnus group mode."
203 :group 'gnus-group-various
204 :options '(gnus-topic-mode)
207 (defcustom gnus-group-menu-hook nil
208 "Hook run after the creation of the group mode menu."
209 :group 'gnus-group-various
212 (defcustom gnus-group-catchup-group-hook nil
213 "Hook run when catching up a group from the group buffer."
214 :group 'gnus-group-various
215 :link '(custom-manual "(gnus)Group Data")
218 (defcustom gnus-group-update-group-hook nil
219 "Hook called when updating group lines."
220 :group 'gnus-group-visual
223 (defcustom gnus-group-prepare-function 'gnus-group-prepare-flat
224 "*A function that is called to generate the group buffer.
225 The function is called with three arguments: The first is a number;
226 all group with a level less or equal to that number should be listed,
227 if the second is non-nil, empty groups should also be displayed. If
228 the third is non-nil, it is a number. No groups with a level lower
229 than this number should be displayed.
231 The only current function implemented is `gnus-group-prepare-flat'."
232 :group 'gnus-group-listing
235 (defcustom gnus-group-prepare-hook nil
236 "Hook called after the group buffer has been generated.
237 If you want to modify the group buffer, you can use this hook."
238 :group 'gnus-group-listing
241 (defcustom gnus-suspend-gnus-hook nil
242 "Hook called when suspending (not exiting) Gnus."
246 (defcustom gnus-exit-gnus-hook nil
247 "Hook called when exiting Gnus."
251 (defcustom gnus-after-exiting-gnus-hook nil
252 "Hook called after exiting Gnus."
256 (defcustom gnus-group-update-hook '(gnus-group-highlight-line)
257 "Hook called when a group line is changed.
258 The hook will not be called if `gnus-visual' is nil.
260 The default function `gnus-group-highlight-line' will
261 highlight the line according to the `gnus-group-highlight'
263 :group 'gnus-group-visual
266 (defcustom gnus-useful-groups
267 '(("(ding) mailing list mirrored at sunsite.auc.dk"
269 (nntp "sunsite.auc.dk"
270 (nntp-address "sunsite.auc.dk")))
273 (nndir "/ftp@ftp.ifi.uio.no:/pub/emacs/gnus/gnus-bug/"))
277 (nndoc-article-type mbox)
278 (eval `(nndoc-address
279 ,(let ((file (nnheader-find-etc-directory
282 (error "Couldn't find doc group"))
284 "*Alist of useful group-server pairs."
285 :group 'gnus-group-listing
286 :type '(repeat (list (string :tag "Description")
288 (sexp :tag "Method"))))
290 (defcustom gnus-group-highlight
292 ((and (= unread 0) (not mailp) (eq level 1)) .
293 gnus-group-news-1-empty-face)
294 ((and (not mailp) (eq level 1)) .
295 gnus-group-news-1-face)
296 ((and (= unread 0) (not mailp) (eq level 2)) .
297 gnus-group-news-2-empty-face)
298 ((and (not mailp) (eq level 2)) .
299 gnus-group-news-2-face)
300 ((and (= unread 0) (not mailp) (eq level 3)) .
301 gnus-group-news-3-empty-face)
302 ((and (not mailp) (eq level 3)) .
303 gnus-group-news-3-face)
304 ((and (= unread 0) (not mailp) (eq level 4)) .
305 gnus-group-news-4-empty-face)
306 ((and (not mailp) (eq level 4)) .
307 gnus-group-news-4-face)
308 ((and (= unread 0) (not mailp) (eq level 5)) .
309 gnus-group-news-5-empty-face)
310 ((and (not mailp) (eq level 5)) .
311 gnus-group-news-5-face)
312 ((and (= unread 0) (not mailp) (eq level 6)) .
313 gnus-group-news-6-empty-face)
314 ((and (not mailp) (eq level 6)) .
315 gnus-group-news-6-face)
316 ((and (= unread 0) (not mailp)) .
317 gnus-group-news-low-empty-face)
319 gnus-group-news-low-face)
321 ((and (= unread 0) (eq level 1)) .
322 gnus-group-mail-1-empty-face)
324 gnus-group-mail-1-face)
325 ((and (= unread 0) (eq level 2)) .
326 gnus-group-mail-2-empty-face)
328 gnus-group-mail-2-face)
329 ((and (= unread 0) (eq level 3)) .
330 gnus-group-mail-3-empty-face)
332 gnus-group-mail-3-face)
334 gnus-group-mail-low-empty-face)
336 gnus-group-mail-low-face))
337 "*Controls the highlighting of group buffer lines.
339 Below is a list of `Form'/`Face' pairs. When deciding how a a
340 particular group line should be displayed, each form is
341 evaluated. The content of the face field after the first true form is
342 used. You can change how those group lines are displayed by
343 editing the face field.
345 It is also possible to change and add form fields, but currently that
346 requires an understanding of Lisp expressions. Hopefully this will
347 change in a future release. For now, you can use the following
348 variables in the Lisp expression:
350 group: The name of the group.
351 unread: The number of unread articles in the group.
352 method: The select method used.
353 mailp: Whether it's a mail group or not.
354 level: The level of the group.
355 score: The score of the group.
356 ticked: The number of ticked articles."
357 :group 'gnus-group-visual
358 :type '(repeat (cons (sexp :tag "Form") face)))
360 (defcustom gnus-new-mail-mark ?%
361 "Mark used for groups with new mail."
362 :group 'gnus-group-visual
365 (defgroup gnus-group-icons nil
366 "Add Icons to your group buffer. "
367 :group 'gnus-group-visual)
369 (defcustom gnus-group-icon-list
371 "*Controls the insertion of icons into group buffer lines.
373 Below is a list of `Form'/`File' pairs. When deciding how a
374 particular group line should be displayed, each form is evaluated.
375 The icon from the file field after the first true form is used. You
376 can change how those group lines are displayed by editing the file
377 field. The File will either be found in the
378 `gnus-group-glyph-directory' or by designating absolute path to the
381 It is also possible to change and add form fields, but currently that
382 requires an understanding of Lisp expressions. Hopefully this will
383 change in a future release. For now, you can use the following
384 variables in the Lisp expression:
386 group: The name of the group.
387 unread: The number of unread articles in the group.
388 method: The select method used.
389 mailp: Whether it's a mail group or not.
390 newsp: Whether it's a news group or not
391 level: The level of the group.
392 score: The score of the group.
393 ticked: The number of ticked articles."
394 :group 'gnus-group-icons
395 :type '(repeat (cons (sexp :tag "Form") file)))
397 (defcustom gnus-group-name-charset-method-alist nil
398 "*Alist of method and the charset for group names.
401 (((nntp \"news.com.cn\") . cn-gb-2312))
405 :type '(repeat (cons (sexp :tag "Method") (symbol :tag "Charset"))))
407 (defcustom gnus-group-name-charset-group-alist nil
408 "*Alist of group regexp and the charset for group names.
411 ((\"\\.com\\.cn:\" . cn-gb-2312))
414 :type '(repeat (cons (regexp :tag "Group") (symbol :tag "Charset"))))
416 (defcustom gnus-group-jump-to-group-prompt nil
417 "Default prompt for `gnus-group-jump-to-group'.
418 If non-nil, the value should be a string, e.g. \"nnml:\",
419 in which case `gnus-group-jump-to-group' offers \"Group: nnml:\"
420 in the minibuffer prompt."
421 :group 'gnus-group-various
422 :type '(choice (string :tag "Prompt string")
423 (const :tag "Empty" nil)))
425 ;;; Internal variables
427 (defvar gnus-group-sort-alist-function 'gnus-group-sort-flat
428 "Function for sorting the group buffer.")
430 (defvar gnus-group-sort-selected-function 'gnus-group-sort-selected-flat
431 "Function for sorting the selected groups in the group buffer.")
433 (defvar gnus-group-indentation-function nil)
434 (defvar gnus-goto-missing-group-function nil)
435 (defvar gnus-group-update-group-function nil)
436 (defvar gnus-group-goto-next-group-function nil
437 "Function to override finding the next group after listing groups.")
439 (defvar gnus-group-edit-buffer nil)
441 (defvar gnus-group-line-format-alist
442 `((?M gnus-tmp-marked-mark ?c)
443 (?S gnus-tmp-subscribed ?c)
444 (?L gnus-tmp-level ?d)
445 (?N (cond ((eq number t) "*" )
449 (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
450 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
452 (?R gnus-tmp-number-of-read ?s)
453 (?t gnus-tmp-number-total ?d)
454 (?y gnus-tmp-number-of-unread ?s)
455 (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
456 (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d)
457 (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
458 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d)
459 (?g gnus-tmp-group ?s)
460 (?G gnus-tmp-qualified-group ?s)
461 (?c (gnus-short-group-name gnus-tmp-group) ?s)
462 (?D gnus-tmp-newsgroup-description ?s)
463 (?o gnus-tmp-moderated ?c)
464 (?O gnus-tmp-moderated-string ?s)
465 (?p gnus-tmp-process-marked ?c)
466 (?s gnus-tmp-news-server ?s)
467 (?n gnus-tmp-news-method ?s)
468 (?P gnus-group-indentation ?s)
469 (?E gnus-tmp-group-icon ?s)
470 (?l gnus-tmp-grouplens ?s)
471 (?z gnus-tmp-news-method-string ?s)
472 (?m (gnus-group-new-mail gnus-tmp-group) ?c)
473 (?d (gnus-group-timestamp-string gnus-tmp-group) ?s)
474 (?u gnus-tmp-user-defined ?s)))
476 (defvar gnus-group-mode-line-format-alist
477 `((?S gnus-tmp-news-server ?s)
478 (?M gnus-tmp-news-method ?s)
479 (?u gnus-tmp-user-defined ?s)
480 (?: gnus-tmp-colon ?s)))
482 (defvar gnus-topic-topology nil
483 "The complete topic hierarchy.")
485 (defvar gnus-topic-alist nil
486 "The complete topic-group alist.")
488 (defvar gnus-group-marked nil)
490 (defvar gnus-group-list-mode nil)
493 (defvar gnus-group-icon-cache nil)
495 (defvar gnus-group-listed-groups nil)
496 (defvar gnus-group-list-option nil)
502 (put 'gnus-group-mode 'mode-class 'special)
505 (gnus-define-keys gnus-group-mode-map
506 " " gnus-group-read-group
507 "=" gnus-group-select-group
508 "\r" gnus-group-select-group
509 "\M-\r" gnus-group-quick-select-group
510 "\M- " gnus-group-visible-select-group
511 [(meta control return)] gnus-group-select-group-ephemerally
512 "j" gnus-group-jump-to-group
513 "n" gnus-group-next-unread-group
514 "p" gnus-group-prev-unread-group
515 "\177" gnus-group-prev-unread-group
516 [delete] gnus-group-prev-unread-group
517 [backspace] gnus-group-prev-unread-group
518 "N" gnus-group-next-group
519 "P" gnus-group-prev-group
520 "\M-n" gnus-group-next-unread-group-same-level
521 "\M-p" gnus-group-prev-unread-group-same-level
522 "," gnus-group-best-unread-group
523 "." gnus-group-first-unread-group
524 "u" gnus-group-unsubscribe-current-group
525 "U" gnus-group-unsubscribe-group
526 "c" gnus-group-catchup-current
527 "C" gnus-group-catchup-current-all
528 "\M-c" gnus-group-clear-data
529 "l" gnus-group-list-groups
530 "L" gnus-group-list-all-groups
532 "g" gnus-group-get-new-news
533 "\M-g" gnus-group-get-new-news-this-group
534 "R" gnus-group-restart
535 "r" gnus-group-read-init-file
536 "B" gnus-group-browse-foreign-server
537 "b" gnus-group-check-bogus-groups
538 "F" gnus-group-find-new-groups
539 "\C-c\C-d" gnus-group-describe-group
540 "\M-d" gnus-group-describe-all-groups
541 "\C-c\C-a" gnus-group-apropos
542 "\C-c\M-\C-a" gnus-group-description-apropos
543 "a" gnus-group-post-news
544 "\ek" gnus-group-edit-local-kill
545 "\eK" gnus-group-edit-global-kill
546 "\C-k" gnus-group-kill-group
547 "\C-y" gnus-group-yank-group
548 "\C-w" gnus-group-kill-region
549 "\C-x\C-t" gnus-group-transpose-groups
550 "\C-c\C-l" gnus-group-list-killed
551 "\C-c\C-x" gnus-group-expire-articles
552 "\C-c\M-\C-x" gnus-group-expire-all-groups
554 "s" gnus-group-save-newsrc
555 "z" gnus-group-suspend
558 "?" gnus-group-describe-briefly
559 "\C-c\C-i" gnus-info-find-node
560 "\M-e" gnus-group-edit-group-method
561 "^" gnus-group-enter-server-mode
562 gnus-mouse-2 gnus-mouse-pick-group
563 "<" beginning-of-buffer
566 "\C-c\C-s" gnus-group-sort-groups
568 "\C-c\M-g" gnus-activate-all-groups
569 "\M-&" gnus-group-universal-argument
570 "#" gnus-group-mark-group
571 "\M-#" gnus-group-unmark-group)
573 (gnus-define-keys (gnus-group-mark-map "M" gnus-group-mode-map)
574 "m" gnus-group-mark-group
575 "u" gnus-group-unmark-group
576 "w" gnus-group-mark-region
577 "b" gnus-group-mark-buffer
578 "r" gnus-group-mark-regexp
579 "U" gnus-group-unmark-all-groups)
581 (gnus-define-keys (gnus-group-group-map "G" gnus-group-mode-map)
582 "d" gnus-group-make-directory-group
583 "h" gnus-group-make-help-group
584 "u" gnus-group-make-useful-group
585 "a" gnus-group-make-archive-group
586 "k" gnus-group-make-kiboze-group
587 "l" gnus-group-nnimap-edit-acl
588 "m" gnus-group-make-group
589 "E" gnus-group-edit-group
590 "e" gnus-group-edit-group-method
591 "p" gnus-group-edit-group-parameters
592 "v" gnus-group-add-to-virtual
593 "V" gnus-group-make-empty-virtual
594 "D" gnus-group-enter-directory
595 "f" gnus-group-make-doc-group
596 "w" gnus-group-make-web-group
597 "r" gnus-group-rename-group
598 "c" gnus-group-customize
599 "x" gnus-group-nnimap-expunge
600 "\177" gnus-group-delete-group
601 [delete] gnus-group-delete-group)
603 (gnus-define-keys (gnus-group-soup-map "s" gnus-group-group-map)
604 "b" gnus-group-brew-soup
605 "w" gnus-soup-save-areas
606 "s" gnus-soup-send-replies
607 "p" gnus-soup-pack-packet
608 "r" nnsoup-pack-replies)
610 (gnus-define-keys (gnus-group-sort-map "S" gnus-group-group-map)
611 "s" gnus-group-sort-groups
612 "a" gnus-group-sort-groups-by-alphabet
613 "u" gnus-group-sort-groups-by-unread
614 "l" gnus-group-sort-groups-by-level
615 "v" gnus-group-sort-groups-by-score
616 "r" gnus-group-sort-groups-by-rank
617 "m" gnus-group-sort-groups-by-method)
619 (gnus-define-keys (gnus-group-sort-selected-map "P" gnus-group-group-map)
620 "s" gnus-group-sort-selected-groups
621 "a" gnus-group-sort-selected-groups-by-alphabet
622 "u" gnus-group-sort-selected-groups-by-unread
623 "l" gnus-group-sort-selected-groups-by-level
624 "v" gnus-group-sort-selected-groups-by-score
625 "r" gnus-group-sort-selected-groups-by-rank
626 "m" gnus-group-sort-selected-groups-by-method)
628 (gnus-define-keys (gnus-group-list-map "A" gnus-group-mode-map)
629 "k" gnus-group-list-killed
630 "z" gnus-group-list-zombies
631 "s" gnus-group-list-groups
632 "u" gnus-group-list-all-groups
633 "A" gnus-group-list-active
634 "a" gnus-group-apropos
635 "d" gnus-group-description-apropos
636 "m" gnus-group-list-matching
637 "M" gnus-group-list-all-matching
638 "l" gnus-group-list-level
639 "c" gnus-group-list-cached
640 "?" gnus-group-list-dormant)
642 (gnus-define-keys (gnus-group-list-limit-map "/" gnus-group-list-map)
643 "k" gnus-group-list-limit
644 "z" gnus-group-list-limit
645 "s" gnus-group-list-limit
646 "u" gnus-group-list-limit
647 "A" gnus-group-list-limit
648 "m" gnus-group-list-limit
649 "M" gnus-group-list-limit
650 "l" gnus-group-list-limit
651 "c" gnus-group-list-limit
652 "?" gnus-group-list-limit)
654 (gnus-define-keys (gnus-group-list-flush-map "f" gnus-group-list-map)
655 "k" gnus-group-list-flush
656 "z" gnus-group-list-flush
657 "s" gnus-group-list-flush
658 "u" gnus-group-list-flush
659 "A" gnus-group-list-flush
660 "m" gnus-group-list-flush
661 "M" gnus-group-list-flush
662 "l" gnus-group-list-flush
663 "c" gnus-group-list-flush
664 "?" gnus-group-list-flush)
666 (gnus-define-keys (gnus-group-list-plus-map "p" gnus-group-list-map)
667 "k" gnus-group-list-plus
668 "z" gnus-group-list-plus
669 "s" gnus-group-list-plus
670 "u" gnus-group-list-plus
671 "A" gnus-group-list-plus
672 "m" gnus-group-list-plus
673 "M" gnus-group-list-plus
674 "l" gnus-group-list-plus
675 "c" gnus-group-list-plus
676 "?" gnus-group-list-plus)
678 (gnus-define-keys (gnus-group-score-map "W" gnus-group-mode-map)
679 "f" gnus-score-flush-cache)
681 (gnus-define-keys (gnus-group-help-map "H" gnus-group-mode-map)
682 "d" gnus-group-describe-group
683 "f" gnus-group-fetch-faq
686 (gnus-define-keys (gnus-group-sub-map "S" gnus-group-mode-map)
687 "l" gnus-group-set-current-level
688 "t" gnus-group-unsubscribe-current-group
689 "s" gnus-group-unsubscribe-group
690 "k" gnus-group-kill-group
691 "y" gnus-group-yank-group
692 "w" gnus-group-kill-region
693 "\C-k" gnus-group-kill-level
694 "z" gnus-group-kill-all-zombies))
696 (defun gnus-group-make-menu-bar ()
697 (gnus-turn-off-edit-menu 'group)
698 (unless (boundp 'gnus-group-reading-menu)
701 gnus-group-reading-menu gnus-group-mode-map ""
703 ["Read" gnus-group-read-group (gnus-group-group-name)]
704 ["Select" gnus-group-select-group (gnus-group-group-name)]
705 ["See old articles" (gnus-group-select-group 'all)
706 :keys "C-u SPC" :active (gnus-group-group-name)]
707 ["Catch up" gnus-group-catchup-current :active (gnus-group-group-name)
708 ,@(if (featurep 'xemacs) nil
709 '(:help "Mark unread articles in the current group as read"))]
710 ["Catch up all articles" gnus-group-catchup-current-all
711 (gnus-group-group-name)]
712 ["Check for new articles" gnus-group-get-new-news-this-group
713 :active (gnus-group-group-name)
714 ,@(if (featurep 'xemacs) nil
715 '(:help "Check for new messages in current group"))]
716 ["Toggle subscription" gnus-group-unsubscribe-current-group
717 (gnus-group-group-name)]
718 ["Kill" gnus-group-kill-group :active (gnus-group-group-name)
719 ,@(if (featurep 'xemacs) nil
720 '(:help "Kill (remove) current group"))]
721 ["Yank" gnus-group-yank-group gnus-list-of-killed-groups]
722 ["Describe" gnus-group-describe-group :active (gnus-group-group-name)
723 ,@(if (featurep 'xemacs) nil
724 '(:help "Display description of the current group"))]
725 ["Fetch FAQ" gnus-group-fetch-faq (gnus-group-group-name)]
726 ;; Actually one should check, if any of the marked groups gives t for
727 ;; (gnus-check-backend-function 'request-expire-articles ...)
728 ["Expire articles" gnus-group-expire-articles
729 (or (and (gnus-group-group-name)
730 (gnus-check-backend-function
731 'request-expire-articles
732 (gnus-group-group-name))) gnus-group-marked)]
733 ["Set group level" gnus-group-set-current-level
734 (gnus-group-group-name)]
735 ["Select quick" gnus-group-quick-select-group (gnus-group-group-name)]
736 ["Customize" gnus-group-customize (gnus-group-group-name)]
738 ["Parameters" gnus-group-edit-group-parameters
739 (gnus-group-group-name)]
740 ["Select method" gnus-group-edit-group-method
741 (gnus-group-group-name)]
742 ["Info" gnus-group-edit-group (gnus-group-group-name)]
743 ["Local kill file" gnus-group-edit-local-kill (gnus-group-group-name)]
744 ["Global kill file" gnus-group-edit-global-kill t])))
747 gnus-group-group-menu gnus-group-mode-map ""
750 ["List unread subscribed groups" gnus-group-list-groups t]
751 ["List (un)subscribed groups" gnus-group-list-all-groups t]
752 ["List killed groups" gnus-group-list-killed gnus-killed-list]
753 ["List zombie groups" gnus-group-list-zombies gnus-zombie-list]
754 ["List level..." gnus-group-list-level t]
755 ["Describe all groups" gnus-group-describe-all-groups t]
756 ["Group apropos..." gnus-group-apropos t]
757 ["Group and description apropos..." gnus-group-description-apropos t]
758 ["List groups matching..." gnus-group-list-matching t]
759 ["List all groups matching..." gnus-group-list-all-matching t]
760 ["List active file" gnus-group-list-active t]
761 ["List groups with cached" gnus-group-list-cached t]
762 ["List groups with dormant" gnus-group-list-dormant t])
764 ["Default sort" gnus-group-sort-groups t]
765 ["Sort by method" gnus-group-sort-groups-by-method t]
766 ["Sort by rank" gnus-group-sort-groups-by-rank t]
767 ["Sort by score" gnus-group-sort-groups-by-score t]
768 ["Sort by level" gnus-group-sort-groups-by-level t]
769 ["Sort by unread" gnus-group-sort-groups-by-unread t]
770 ["Sort by name" gnus-group-sort-groups-by-alphabet t])
771 ("Sort process/prefixed"
772 ["Default sort" gnus-group-sort-selected-groups
773 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
774 ["Sort by method" gnus-group-sort-selected-groups-by-method
775 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
776 ["Sort by rank" gnus-group-sort-selected-groups-by-rank
777 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
778 ["Sort by score" gnus-group-sort-selected-groups-by-score
779 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
780 ["Sort by level" gnus-group-sort-selected-groups-by-level
781 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
782 ["Sort by unread" gnus-group-sort-selected-groups-by-unread
783 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
784 ["Sort by name" gnus-group-sort-selected-groups-by-alphabet
785 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))])
787 ["Mark group" gnus-group-mark-group
788 (and (gnus-group-group-name)
789 (not (memq (gnus-group-group-name) gnus-group-marked)))]
790 ["Unmark group" gnus-group-unmark-group
791 (and (gnus-group-group-name)
792 (memq (gnus-group-group-name) gnus-group-marked))]
793 ["Unmark all" gnus-group-unmark-all-groups gnus-group-marked]
794 ["Mark regexp..." gnus-group-mark-regexp t]
795 ["Mark region" gnus-group-mark-region t]
796 ["Mark buffer" gnus-group-mark-buffer t]
797 ["Execute command" gnus-group-universal-argument
798 (or gnus-group-marked (gnus-group-group-name))])
800 ["Subscribe to a group" gnus-group-unsubscribe-group t]
801 ["Kill all newsgroups in region" gnus-group-kill-region t]
802 ["Kill all zombie groups" gnus-group-kill-all-zombies
804 ["Kill all groups on level..." gnus-group-kill-level t])
806 ["Make a foreign group" gnus-group-make-group t]
807 ["Add a directory group" gnus-group-make-directory-group t]
808 ["Add the help group" gnus-group-make-help-group t]
809 ["Add the archive group" gnus-group-make-archive-group t]
810 ["Make a doc group" gnus-group-make-doc-group t]
811 ["Make a web group" gnus-group-make-web-group t]
812 ["Make a kiboze group" gnus-group-make-kiboze-group t]
813 ["Make a virtual group" gnus-group-make-empty-virtual t]
814 ["Add a group to a virtual" gnus-group-add-to-virtual t]
815 ["Rename group" gnus-group-rename-group
816 (gnus-check-backend-function
817 'request-rename-group (gnus-group-group-name))]
818 ["Delete group" gnus-group-delete-group
819 (gnus-check-backend-function
820 'request-delete-group (gnus-group-group-name))])
822 ["Next" gnus-group-next-group t]
823 ["Previous" gnus-group-prev-group t]
824 ["Next unread" gnus-group-next-unread-group t]
825 ["Previous unread" gnus-group-prev-unread-group t]
826 ["Next unread same level" gnus-group-next-unread-group-same-level t]
827 ["Previous unread same level"
828 gnus-group-prev-unread-group-same-level t]
829 ["Jump to group" gnus-group-jump-to-group t]
830 ["First unread group" gnus-group-first-unread-group t]
831 ["Best unread group" gnus-group-best-unread-group t])
832 ["Delete bogus groups" gnus-group-check-bogus-groups t]
833 ["Find new newsgroups" gnus-group-find-new-groups t]
834 ["Transpose" gnus-group-transpose-groups
835 (gnus-group-group-name)]
836 ["Read a directory as a group..." gnus-group-enter-directory t]))
839 gnus-group-misc-menu gnus-group-mode-map ""
842 ["Pack replies" nnsoup-pack-replies (fboundp 'nnsoup-request-group)]
843 ["Send replies" gnus-soup-send-replies
844 (fboundp 'gnus-soup-pack-packet)]
845 ["Pack packet" gnus-soup-pack-packet (fboundp 'gnus-soup-pack-packet)]
846 ["Save areas" gnus-soup-save-areas (fboundp 'gnus-soup-pack-packet)]
847 ["Brew SOUP" gnus-group-brew-soup (fboundp 'gnus-soup-pack-packet)])
848 ["Send a mail" gnus-group-mail t]
849 ["Post an article..." gnus-group-post-news t]
850 ["Check for new news" gnus-group-get-new-news
851 ,@(if (featurep 'xemacs) nil
852 '(:help "Get newly arrived articles"))
854 ["Activate all groups" gnus-activate-all-groups t]
855 ["Restart Gnus" gnus-group-restart t]
856 ["Read init file" gnus-group-read-init-file t]
857 ["Browse foreign server" gnus-group-browse-foreign-server t]
858 ["Enter server buffer" gnus-group-enter-server-mode t]
859 ["Expire all expirable articles" gnus-group-expire-all-groups t]
860 ["Generate any kiboze groups" nnkiboze-generate-groups t]
861 ["Gnus version" gnus-version t]
862 ["Save .newsrc files" gnus-group-save-newsrc t]
863 ["Suspend Gnus" gnus-group-suspend t]
864 ["Clear dribble buffer" gnus-group-clear-dribble t]
865 ["Read manual" gnus-info-find-node t]
866 ["Flush score cache" gnus-score-flush-cache t]
867 ["Toggle topics" gnus-topic-mode t]
868 ["Send a bug report" gnus-bug t]
869 ["Exit from Gnus" gnus-group-exit
870 ,@(if (featurep 'xemacs) nil
871 '(:help "Quit reading news"))]
872 ["Exit without saving" gnus-group-quit t]))
874 (gnus-run-hooks 'gnus-group-menu-hook)))
876 (defvar gnus-group-toolbar-map nil)
878 ;; Emacs 21 tool bar. Should be no-op otherwise.
879 (defun gnus-group-make-tool-bar ()
880 (if (and (fboundp 'tool-bar-add-item-from-menu)
881 (default-value 'tool-bar-mode)
882 (not gnus-group-toolbar-map))
883 (setq gnus-group-toolbar-map
884 (let ((tool-bar-map (make-sparse-keymap)))
885 (tool-bar-add-item-from-menu
886 'gnus-group-get-new-news "get-news" gnus-group-mode-map)
887 (tool-bar-add-item-from-menu
888 'gnus-group-get-new-news-this-group "gnntg" gnus-group-mode-map)
889 (tool-bar-add-item-from-menu
890 'gnus-group-catchup-current "catchup" gnus-group-mode-map)
891 (tool-bar-add-item-from-menu
892 'gnus-group-describe-group "describe-group" gnus-group-mode-map)
893 (tool-bar-add-item "subscribe" 'gnus-group-subscribe 'subscribe
894 :help "Subscribe to the current group")
895 (tool-bar-add-item "unsubscribe" 'gnus-group-unsubscribe
897 :help "Unsubscribe from the current group")
898 (tool-bar-add-item-from-menu
899 'gnus-group-exit "exit-gnus" gnus-group-mode-map)
901 (if gnus-group-toolbar-map
902 (set (make-local-variable 'tool-bar-map) gnus-group-toolbar-map)))
904 (defun gnus-group-mode ()
905 "Major mode for reading news.
907 All normal editing commands are switched off.
908 \\<gnus-group-mode-map>
909 The group buffer lists (some of) the groups available. For instance,
910 `\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]'
911 lists all zombie groups.
913 Groups that are displayed can be entered with `\\[gnus-group-read-group]'. To subscribe
914 to a group not displayed, type `\\[gnus-group-unsubscribe-group]'.
916 For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
918 The following commands are available:
920 \\{gnus-group-mode-map}"
922 (kill-all-local-variables)
923 (when (gnus-visual-p 'group-menu 'menu)
924 (gnus-group-make-menu-bar)
925 (gnus-group-make-tool-bar))
926 (gnus-simplify-mode-line)
927 (setq major-mode 'gnus-group-mode)
928 (setq mode-name "Group")
929 (gnus-group-set-mode-line)
930 (setq mode-line-process nil)
931 (use-local-map gnus-group-mode-map)
932 (buffer-disable-undo)
933 (setq truncate-lines t)
934 (setq buffer-read-only t)
935 (gnus-set-default-directory)
936 (gnus-update-format-specifications nil 'group 'group-mode)
937 (gnus-update-group-mark-positions)
942 (gnus-run-hooks 'gnus-group-mode-hook))
944 (defun gnus-update-group-mark-positions ()
946 (let ((gnus-process-mark ?\200)
947 (gnus-group-marked '("dummy.group"))
948 (gnus-active-hashtb (make-vector 10 0))
950 (gnus-set-active "dummy.group" '(0 . 0))
951 (gnus-set-work-buffer)
952 (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil)
953 (goto-char (point-min))
954 (setq gnus-group-mark-positions
955 (list (cons 'process (and (search-forward "\200" nil t)
958 (defun gnus-mouse-pick-group (e)
959 "Enter the group under the mouse pointer."
962 (gnus-group-read-group nil))
964 ;; Look at LEVEL and find out what the level is really supposed to be.
965 ;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens
966 ;; will depend on whether `gnus-group-use-permanent-levels' is used.
967 (defun gnus-group-default-level (&optional level number-or-nil)
969 (gnus-group-use-permanent-levels
970 (or (setq gnus-group-use-permanent-levels
971 (or level (if (numberp gnus-group-use-permanent-levels)
972 gnus-group-use-permanent-levels
973 (or gnus-group-default-list-level
974 gnus-level-subscribed))))
975 gnus-group-default-list-level gnus-level-subscribed))
979 (or level gnus-group-default-list-level gnus-level-subscribed))))
981 (defun gnus-group-setup-buffer ()
982 (set-buffer (gnus-get-buffer-create gnus-group-buffer))
983 (unless (eq major-mode 'gnus-group-mode)
986 (gnus-carpal-setup-buffer 'group))))
988 (defsubst gnus-group-name-charset (method group)
990 (setq method (gnus-find-method-for-group group)))
991 (let ((item (assoc method gnus-group-name-charset-method-alist))
992 (alist gnus-group-name-charset-group-alist)
996 (while (setq item (pop alist))
997 (if (string-match (car item) group)
1002 (defsubst gnus-group-name-decode (string charset)
1003 (if (and string charset (featurep 'mule))
1004 (mm-decode-coding-string string charset)
1007 (defun gnus-group-decoded-name (string)
1008 (let ((charset (gnus-group-name-charset nil string)))
1009 (gnus-group-name-decode string charset)))
1011 (defun gnus-group-list-groups (&optional level unread lowest)
1012 "List newsgroups with level LEVEL or lower that have unread articles.
1013 Default is all subscribed groups.
1014 If argument UNREAD is non-nil, groups with no unread articles are also
1017 Also see the `gnus-group-use-permanent-levels' variable."
1019 (list (if current-prefix-arg
1020 (prefix-numeric-value current-prefix-arg)
1022 (gnus-group-default-level nil t)
1023 gnus-group-default-list-level
1024 gnus-level-subscribed))))
1026 (setq level (car gnus-group-list-mode)
1027 unread (cdr gnus-group-list-mode)))
1028 (setq level (gnus-group-default-level level))
1029 (gnus-group-setup-buffer)
1030 (gnus-update-format-specifications nil 'group 'group-mode)
1031 (let ((case-fold-search nil)
1032 (props (text-properties-at (gnus-point-at-bol)))
1033 (empty (= (point-min) (point-max)))
1034 (group (gnus-group-group-name))
1036 (set-buffer gnus-group-buffer)
1037 (setq number (funcall gnus-group-prepare-function level unread lowest))
1038 (when (or (and (numberp number)
1040 (zerop (buffer-size)))
1041 ;; No groups in the buffer.
1042 (gnus-message 5 gnus-no-groups-message))
1043 ;; We have some groups displayed.
1044 (goto-char (point-max))
1045 (when (or (not gnus-group-goto-next-group-function)
1046 (not (funcall gnus-group-goto-next-group-function
1050 (goto-char (point-min)))
1052 ;; Go to the first group with unread articles.
1053 (gnus-group-search-forward t))
1055 ;; Find the right group to put point on. If the current group
1056 ;; has disappeared in the new listing, try to find the next
1057 ;; one. If no next one can be found, just leave point at the
1058 ;; first newsgroup in the buffer.
1059 (when (not (gnus-goto-char
1061 (point-min) (point-max)
1062 'gnus-group (gnus-intern-safe
1063 group gnus-active-hashtb))))
1064 (let ((newsrc (cdddr (gnus-gethash group gnus-newsrc-hashtb))))
1066 (not (gnus-goto-char
1068 (point-min) (point-max) 'gnus-group
1070 (caar newsrc) gnus-active-hashtb)))))
1071 (setq newsrc (cdr newsrc)))
1073 (goto-char (point-max))
1074 (forward-line -1)))))))
1075 ;; Adjust cursor point.
1076 (gnus-group-position-point)))
1078 (defun gnus-group-list-level (level &optional all)
1079 "List groups on LEVEL.
1080 If ALL (the prefix), also list groups that have no unread articles."
1081 (interactive "nList groups on level: \nP")
1082 (gnus-group-list-groups level all level))
1084 (defun gnus-group-prepare-logic (group test)
1085 (or (and gnus-group-listed-groups
1086 (null gnus-group-list-option)
1087 (member group gnus-group-listed-groups))
1089 ((null gnus-group-listed-groups) test)
1090 ((null gnus-group-list-option) test)
1091 (t (and (member group gnus-group-listed-groups)
1092 (if (eq gnus-group-list-option 'flush)
1096 (defun gnus-group-prepare-flat (level &optional predicate lowest regexp)
1097 "List all newsgroups with unread articles of level LEVEL or lower.
1098 If PREDICATE is a function, list groups that the function returns non-nil;
1099 if it is t, list groups that have no unread articles.
1100 If LOWEST is non-nil, list all newsgroups of level LOWEST or higher.
1101 If REGEXP is a function, list dead groups that the function returns non-nil;
1102 if it is a string, only list groups matching REGEXP."
1103 (set-buffer gnus-group-buffer)
1104 (let ((buffer-read-only nil)
1105 (newsrc (cdr gnus-newsrc-alist))
1106 (lowest (or lowest 1))
1107 (not-in-list (and gnus-group-listed-groups
1108 (copy-sequence gnus-group-listed-groups)))
1109 info clevel unread group params)
1111 (when (or (< lowest gnus-level-zombie)
1112 gnus-group-listed-groups)
1113 ;; List living groups.
1115 (setq info (car newsrc)
1116 group (gnus-info-group info)
1117 params (gnus-info-params info)
1119 unread (car (gnus-gethash group gnus-newsrc-hashtb)))
1121 (setq not-in-list (delete group not-in-list)))
1123 (gnus-group-prepare-logic
1125 (and unread ; This group might be unchecked
1126 (or (not (stringp regexp))
1127 (string-match regexp group))
1128 (<= (setq clevel (gnus-info-level info)) level)
1131 ((functionp predicate)
1132 (funcall predicate info))
1133 (predicate t) ; We list all groups?
1136 (if (eq unread t) ; Unactivated?
1137 gnus-group-list-inactive-groups
1138 ; We list unactivated
1140 ; We list groups with unread articles
1141 (and gnus-list-groups-with-ticked-articles
1142 (cdr (assq 'tick (gnus-info-marks info))))
1143 ; And groups with tickeds
1144 ;; Check for permanent visibility.
1145 (and gnus-permanently-visible-groups
1146 (string-match gnus-permanently-visible-groups group))
1147 (memq 'visible params)
1148 (cdr (assq 'visible params)))))))
1149 (gnus-group-insert-group-line
1150 group (gnus-info-level info)
1151 (gnus-info-marks info) unread (gnus-info-method info)))))
1153 ;; List dead groups.
1154 (if (or gnus-group-listed-groups
1155 (and (>= level gnus-level-zombie)
1156 (<= lowest gnus-level-zombie)))
1157 (gnus-group-prepare-flat-list-dead
1158 (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
1159 gnus-level-zombie ?Z
1162 (dolist (group gnus-zombie-list)
1163 (setq not-in-list (delete group not-in-list))))
1164 (if (or gnus-group-listed-groups
1165 (and (>= level gnus-level-killed) (<= lowest gnus-level-killed)))
1166 (gnus-group-prepare-flat-list-dead
1169 (setq gnus-killed-list (sort gnus-killed-list 'string<)))
1170 gnus-level-killed ?K regexp))
1172 (gnus-group-set-mode-line)
1173 (setq gnus-group-list-mode (cons level predicate))
1174 (gnus-run-hooks 'gnus-group-prepare-hook)
1177 (defun gnus-group-prepare-flat-list-dead (groups level mark regexp)
1178 ;; List zombies and killed lists somewhat faster, which was
1179 ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. It does
1180 ;; this by ignoring the group format specification altogether.
1183 (setq group (pop groups))
1184 (when (gnus-group-prepare-logic
1187 (and (stringp regexp) (string-match regexp group))
1188 (and (functionp regexp) (funcall regexp group))))
1189 ;;; (gnus-add-text-properties
1190 ;;; (point) (prog1 (1+ (point))
1191 ;;; (insert " " mark " *: "
1192 ;;; (gnus-group-name-decode group
1193 ;;; (gnus-group-name-charset
1196 ;;; (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
1198 ;;; 'gnus-level level))
1199 (gnus-group-insert-group-line
1201 (let ((active (gnus-active group)))
1203 (if (zerop (cdr active))
1205 (- (1+ (cdr active)) (car active)))
1207 (gnus-method-simplify (gnus-find-method-for-group group)))))))
1209 (defun gnus-group-update-group-line ()
1210 "Update the current line in the group buffer."
1211 (let* ((buffer-read-only nil)
1212 (group (gnus-group-group-name))
1213 (entry (and group (gnus-gethash group gnus-newsrc-hashtb)))
1214 gnus-group-indentation)
1217 (not (gnus-ephemeral-group-p group))
1219 (concat "(gnus-group-set-info '"
1220 (gnus-prin1-to-string (nth 2 entry))
1222 (setq gnus-group-indentation (gnus-group-group-indentation))
1224 (gnus-group-insert-group-line-info group)
1226 (gnus-group-position-point))))
1228 (defun gnus-group-insert-group-line-info (group)
1229 "Insert GROUP on the current line."
1230 (let ((entry (gnus-gethash group gnus-newsrc-hashtb))
1231 (gnus-group-indentation (gnus-group-group-indentation))
1235 ;; (Un)subscribed group.
1236 (setq info (nth 2 entry))
1237 (gnus-group-insert-group-line
1238 group (gnus-info-level info) (gnus-info-marks info)
1239 (or (car entry) t) (gnus-info-method info)))
1240 ;; This group is dead.
1241 (gnus-group-insert-group-line
1243 (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed)
1245 (if (setq active (gnus-active group))
1246 (if (zerop (cdr active))
1248 (- (1+ (cdr active)) (car active)))
1250 (gnus-method-simplify (gnus-find-method-for-group group))))))
1252 (defun gnus-group-insert-group-line (gnus-tmp-group gnus-tmp-level
1253 gnus-tmp-marked number
1255 "Insert a group line in the group buffer."
1256 (let* ((gnus-tmp-method
1257 (gnus-server-get-method gnus-tmp-group gnus-tmp-method))
1258 (group-name-charset (gnus-group-name-charset gnus-tmp-method
1260 (gnus-tmp-active (gnus-active gnus-tmp-group))
1261 (gnus-tmp-number-total
1263 (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active)))
1265 (gnus-tmp-number-of-unread
1266 (if (numberp number) (int-to-string (max 0 number))
1268 (gnus-tmp-number-of-read
1269 (if (numberp number)
1270 (int-to-string (max 0 (- gnus-tmp-number-total number)))
1272 (gnus-tmp-subscribed
1273 (cond ((<= gnus-tmp-level gnus-level-subscribed) ? )
1274 ((<= gnus-tmp-level gnus-level-unsubscribed) ?U)
1275 ((= gnus-tmp-level gnus-level-zombie) ?Z)
1277 (gnus-tmp-qualified-group
1278 (gnus-group-name-decode (gnus-group-real-name gnus-tmp-group)
1279 group-name-charset))
1280 (gnus-tmp-newsgroup-description
1281 (if gnus-description-hashtb
1282 (or (gnus-group-name-decode
1283 (gnus-gethash gnus-tmp-group gnus-description-hashtb)
1284 group-name-charset) "")
1287 (if (and gnus-moderated-hashtb
1288 (gnus-gethash gnus-tmp-group gnus-moderated-hashtb))
1290 (gnus-tmp-moderated-string
1291 (if (eq gnus-tmp-moderated ?m) "(m)" ""))
1292 (gnus-tmp-group-icon "==&&==")
1293 (gnus-tmp-news-server (or (cadr gnus-tmp-method) ""))
1294 (gnus-tmp-news-method (or (car gnus-tmp-method) ""))
1295 (gnus-tmp-news-method-string
1297 (format "(%s:%s)" (car gnus-tmp-method)
1298 (cadr gnus-tmp-method)) ""))
1299 (gnus-tmp-marked-mark
1300 (if (and (numberp number)
1302 (cdr (assq 'tick gnus-tmp-marked)))
1304 (gnus-tmp-process-marked
1305 (if (member gnus-tmp-group gnus-group-marked)
1306 gnus-process-mark ? ))
1308 (or (and gnus-use-grouplens
1309 (bbb-grouplens-group-p gnus-tmp-group))
1311 (buffer-read-only nil)
1312 header gnus-tmp-header) ; passed as parameter to user-funcs.
1314 (gnus-add-text-properties
1318 (eval gnus-group-line-format-spec))
1319 `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb)
1320 gnus-unread ,(if (numberp number)
1321 (string-to-int gnus-tmp-number-of-unread)
1323 gnus-marked ,gnus-tmp-marked-mark
1324 gnus-indentation ,gnus-group-indentation
1325 gnus-level ,gnus-tmp-level))
1327 (when (inline (gnus-visual-p 'group-highlight 'highlight))
1328 (gnus-run-hooks 'gnus-group-update-hook))
1330 ;; Allow XEmacs to remove front-sticky text properties.
1331 (gnus-group-remove-excess-properties)))
1333 (defun gnus-group-highlight-line ()
1334 "Highlight the current line according to `gnus-group-highlight'."
1335 (let* ((list gnus-group-highlight)
1337 (end (progn (end-of-line) (point)))
1338 ;; now find out where the line starts and leave point there.
1339 (beg (progn (beginning-of-line) (point)))
1340 (group (gnus-group-group-name))
1341 (entry (gnus-group-entry group))
1342 (unread (if (numberp (car entry)) (car entry) 0))
1343 (active (gnus-active group))
1344 (total (if active (1+ (- (cdr active) (car active))) 0))
1345 (info (nth 2 entry))
1346 (method (gnus-server-get-method group (gnus-info-method info)))
1347 (marked (gnus-info-marks info))
1348 (mailp (memq 'mail (assoc (symbol-name
1349 (car (or method gnus-select-method)))
1350 gnus-valid-select-methods)))
1351 (level (or (gnus-info-level info) gnus-level-killed))
1352 (score (or (gnus-info-score info) 0))
1353 (ticked (gnus-range-length (cdr (assq 'tick marked))))
1354 (group-age (gnus-group-timestamp-delta group))
1355 (inhibit-read-only t))
1356 ;; Eval the cars of the lists until we find a match.
1358 (not (eval (caar list))))
1359 (setq list (cdr list)))
1360 (let ((face (cdar list)))
1361 (unless (eq face (get-text-property beg 'face))
1362 (gnus-put-text-property-excluding-characters-with-faces
1364 (setq face (if (boundp face) (symbol-value face) face)))
1365 (gnus-extent-start-open beg)))
1368 (defun gnus-group-update-group (group &optional visible-only)
1369 "Update all lines where GROUP appear.
1370 If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't
1372 ;; Can't use `save-excursion' here, so we do it manually.
1373 (let ((buf (current-buffer))
1375 (set-buffer gnus-group-buffer)
1376 (setq mark (point-marker))
1377 ;; The buffer may be narrowed.
1380 (let ((ident (gnus-intern-safe group gnus-active-hashtb))
1382 found buffer-read-only)
1383 ;; Enter the current status into the dribble buffer.
1384 (let ((entry (gnus-gethash group gnus-newsrc-hashtb)))
1386 (not (gnus-ephemeral-group-p group)))
1388 (concat "(gnus-group-set-info '"
1389 (gnus-prin1-to-string (nth 2 entry))
1391 ;; Find all group instances. If topics are in use, each group
1392 ;; may be listed in more than once.
1393 (while (setq loc (text-property-any
1394 loc (point-max) 'gnus-group ident))
1397 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1399 (gnus-group-insert-group-line-info group)
1402 (gnus-run-hooks 'gnus-group-update-group-hook)))
1403 (setq loc (1+ loc)))
1404 (unless (or found visible-only)
1405 ;; No such line in the buffer, find out where it's supposed to
1406 ;; go, and insert it there (or at the end of the buffer).
1407 (if gnus-goto-missing-group-function
1408 (funcall gnus-goto-missing-group-function group)
1409 (let ((entry (cddr (gnus-gethash group gnus-newsrc-hashtb))))
1410 (while (and entry (car entry)
1414 (point-min) (point-max)
1415 'gnus-group (gnus-intern-safe
1416 (caar entry) gnus-active-hashtb)))))
1417 (setq entry (cdr entry)))
1418 (or entry (goto-char (point-max)))))
1419 ;; Finally insert the line.
1420 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1421 (gnus-group-insert-group-line-info group)
1424 (gnus-run-hooks 'gnus-group-update-group-hook))))
1425 (when gnus-group-update-group-function
1426 (funcall gnus-group-update-group-function group))
1427 (gnus-group-set-mode-line)))
1429 (set-marker mark nil)
1432 (defun gnus-group-set-mode-line ()
1433 "Update the mode line in the group buffer."
1434 (when (memq 'group gnus-updated-mode-lines)
1435 ;; Yes, we want to keep this mode line updated.
1437 (set-buffer gnus-group-buffer)
1438 (let* ((gformat (or gnus-group-mode-line-format-spec
1439 (gnus-set-format 'group-mode)))
1440 (gnus-tmp-news-server (cadr gnus-select-method))
1441 (gnus-tmp-news-method (car gnus-select-method))
1442 (gnus-tmp-colon (if (equal gnus-tmp-news-server "") "" ":"))
1444 gnus-tmp-header ;Dummy binding for user-defined formats
1445 ;; Get the resulting string.
1447 (and gnus-dribble-buffer
1448 (buffer-name gnus-dribble-buffer)
1449 (buffer-modified-p gnus-dribble-buffer)
1451 (set-buffer gnus-dribble-buffer)
1452 (not (zerop (buffer-size))))))
1453 (mode-string (eval gformat)))
1454 ;; Say whether the dribble buffer has been modified.
1455 (setq mode-line-modified
1456 (if modified (car gnus-mode-line-modified)
1457 (cdr gnus-mode-line-modified)))
1458 ;; If the line is too long, we chop it off.
1459 (when (> (length mode-string) max-len)
1460 (setq mode-string (substring mode-string 0 (- max-len 4))))
1462 (setq mode-line-buffer-identification
1463 (gnus-mode-line-buffer-identification
1464 (list mode-string)))
1465 (set-buffer-modified-p modified))))))
1467 (defun gnus-group-group-name ()
1468 "Get the name of the newsgroup on the current line."
1469 (let ((group (get-text-property (gnus-point-at-bol) 'gnus-group)))
1471 (symbol-name group))))
1473 (defun gnus-group-group-level ()
1474 "Get the level of the newsgroup on the current line."
1475 (get-text-property (gnus-point-at-bol) 'gnus-level))
1477 (defun gnus-group-group-indentation ()
1478 "Get the indentation of the newsgroup on the current line."
1479 (or (get-text-property (gnus-point-at-bol) 'gnus-indentation)
1480 (and gnus-group-indentation-function
1481 (funcall gnus-group-indentation-function))
1484 (defun gnus-group-group-unread ()
1485 "Get the number of unread articles of the newsgroup on the current line."
1486 (get-text-property (gnus-point-at-bol) 'gnus-unread))
1488 (defun gnus-group-new-mail (group)
1489 (if (nnmail-new-mail-p (gnus-group-real-name group))
1493 (defun gnus-group-level (group)
1494 "Return the estimated level of GROUP."
1495 (or (gnus-info-level (gnus-get-info group))
1496 (and (member group gnus-zombie-list) gnus-level-zombie)
1499 (defun gnus-group-search-forward (&optional backward all level first-too)
1500 "Find the next newsgroup with unread articles.
1501 If BACKWARD is non-nil, find the previous newsgroup instead.
1502 If ALL is non-nil, just find any newsgroup.
1503 If LEVEL is non-nil, find group with level LEVEL, or higher if no such
1505 If FIRST-TOO, the current line is also eligible as a target."
1506 (let ((way (if backward -1 1))
1507 (low gnus-level-killed)
1510 (if (and backward (progn (beginning-of-line)) (bobp))
1519 (get-text-property (point) 'gnus-group)
1523 (get-text-property (point) 'gnus-unread)))
1524 (and (numberp unread) (> unread 0)))
1525 (setq lev (get-text-property (point)
1527 (<= lev gnus-level-subscribed)))
1529 (and (setq lev (get-text-property (point)
1538 (zerop (forward-line way)))))
1540 (progn (gnus-group-position-point) t)
1541 (goto-char (or pos beg))
1544 ;;; Gnus group mode commands
1548 (defun gnus-group-mark-line-p ()
1551 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1552 (eq (char-after) gnus-process-mark)))
1554 (defun gnus-group-mark-group (n &optional unmark no-advance)
1555 "Mark the current group."
1557 (let ((buffer-read-only nil)
1561 (when (setq group (gnus-group-group-name))
1562 ;; Go to the mark position.
1564 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1565 (subst-char-in-region
1566 (point) (1+ (point)) (char-after)
1569 (setq gnus-group-marked (delete group gnus-group-marked))
1571 (setq gnus-group-marked
1572 (cons group (delete group gnus-group-marked)))
1573 gnus-process-mark)))
1575 (gnus-group-next-group 1))
1577 (gnus-summary-position-point)
1580 (defun gnus-group-unmark-group (n)
1581 "Remove the mark from the current group."
1583 (gnus-group-mark-group n 'unmark)
1584 (gnus-group-position-point))
1586 (defun gnus-group-unmark-all-groups ()
1587 "Unmark all groups."
1589 (let ((groups gnus-group-marked))
1592 (gnus-group-remove-mark (pop groups)))))
1593 (gnus-group-position-point))
1595 (defun gnus-group-mark-region (unmark beg end)
1596 "Mark all groups between point and mark.
1597 If UNMARK, remove the mark instead."
1598 (interactive "P\nr")
1599 (let ((num (count-lines beg end)))
1602 (- num (gnus-group-mark-group num unmark)))))
1604 (defun gnus-group-mark-buffer (&optional unmark)
1605 "Mark all groups in the buffer.
1606 If UNMARK, remove the mark instead."
1608 (gnus-group-mark-region unmark (point-min) (point-max)))
1610 (defun gnus-group-mark-regexp (regexp)
1611 "Mark all groups that match some regexp."
1612 (interactive "sMark (regexp): ")
1613 (let ((alist (cdr gnus-newsrc-alist))
1616 (when (string-match regexp (setq group (gnus-info-group (pop alist))))
1617 (gnus-group-set-mark group))))
1618 (gnus-group-position-point))
1620 (defun gnus-group-remove-mark (group &optional test-marked)
1621 "Remove the process mark from GROUP and move point there.
1622 Return nil if the group isn't displayed."
1623 (if (gnus-group-goto-group group nil test-marked)
1625 (gnus-group-mark-group 1 'unmark t)
1627 (setq gnus-group-marked
1628 (delete group gnus-group-marked))
1631 (defun gnus-group-set-mark (group)
1632 "Set the process mark on GROUP."
1633 (if (gnus-group-goto-group group)
1635 (gnus-group-mark-group 1 nil t))
1636 (setq gnus-group-marked (cons group (delete group gnus-group-marked)))))
1638 (defun gnus-group-universal-argument (arg &optional groups func)
1639 "Perform any command on all groups according to the process/prefix convention."
1641 (if (eq (setq func (or func
1644 (substitute-command-keys
1645 "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]")))))
1647 (gnus-error 1 "Undefined key")
1648 (gnus-group-iterate arg
1650 (command-execute func))))
1651 (gnus-group-position-point))
1653 (defun gnus-group-process-prefix (n)
1654 "Return a list of groups to work on.
1655 Take into consideration N (the prefix) and the list of marked groups."
1658 (setq n (prefix-numeric-value n))
1659 ;; There is a prefix, so we return a list of the N next
1661 (let ((way (if (< n 0) -1 1))
1666 (if (setq group (gnus-group-group-name))
1667 (push group groups))
1669 (gnus-group-next-group way)))
1671 ((gnus-region-active-p)
1672 ;; Work on the region between point and mark.
1673 (let ((max (max (point) (mark)))
1676 (goto-char (min (point) (mark)))
1679 (push (gnus-group-group-name) groups)
1680 (zerop (gnus-group-next-group 1))
1682 (nreverse groups))))
1684 ;; No prefix, but a list of marked articles.
1685 (reverse gnus-group-marked))
1687 ;; Neither marked articles or a prefix, so we return the
1689 (let ((group (gnus-group-group-name)))
1690 (and group (list group))))))
1692 ;;; !!!Surely gnus-group-iterate should be a macro instead? I can't
1693 ;;; imagine why I went through these contortions...
1695 (let ((function (make-symbol "gnus-group-iterate-function"))
1696 (window (make-symbol "gnus-group-iterate-window"))
1697 (groups (make-symbol "gnus-group-iterate-groups"))
1698 (group (make-symbol "gnus-group-iterate-group")))
1700 `(defun gnus-group-iterate (arg ,function)
1701 "Iterate FUNCTION over all process/prefixed groups.
1702 FUNCTION will be called with the group name as the parameter
1703 and with point over the group in question."
1704 (let ((,groups (gnus-group-process-prefix arg))
1705 (,window (selected-window))
1708 (setq ,group (car ,groups)
1709 ,groups (cdr ,groups))
1710 (select-window ,window)
1711 (gnus-group-remove-mark ,group)
1712 (save-selected-window
1714 (funcall ,function ,group)))))))))
1716 (put 'gnus-group-iterate 'lisp-indent-function 1)
1718 ;; Selecting groups.
1720 (defun gnus-group-read-group (&optional all no-article group select-articles)
1721 "Read news in this newsgroup.
1722 If the prefix argument ALL is non-nil, already read articles become
1723 readable. IF ALL is a number, fetch this number of articles. If the
1724 optional argument NO-ARTICLE is non-nil, no article will be
1725 auto-selected upon group entry. If GROUP is non-nil, fetch that
1728 (let ((no-display (eq all 0))
1729 (group (or group (gnus-group-group-name)))
1730 number active marked entry)
1734 (error "No group on current line"))
1735 (setq marked (gnus-info-marks
1736 (nth 2 (setq entry (gnus-gethash
1737 group gnus-newsrc-hashtb)))))
1738 ;; This group might be a dead group. In that case we have to get
1739 ;; the number of unread articles from `gnus-active-hashtb'.
1741 (cond ((numberp all) all)
1743 ((setq active (gnus-active group))
1744 (- (1+ (cdr active)) (car active)))))
1745 (gnus-summary-read-group
1746 group (or all (and (numberp number)
1747 (zerop (+ number (gnus-range-length
1748 (cdr (assq 'tick marked)))
1750 (cdr (assq 'dormant marked)))))))
1751 no-article nil no-display nil select-articles)))
1753 (defun gnus-group-select-group (&optional all)
1754 "Select this newsgroup.
1755 No article is selected automatically.
1756 If ALL is non-nil, already read articles become readable.
1757 If ALL is a number, fetch this number of articles."
1759 (gnus-group-read-group all t))
1761 (defun gnus-group-quick-select-group (&optional all)
1762 "Select the current group \"quickly\".
1763 This means that no highlighting or scoring will be performed.
1764 If ALL (the prefix argument) is 0, don't even generate the summary
1767 This might be useful if you want to toggle threading
1768 before entering the group."
1770 (require 'gnus-score)
1772 gnus-score-find-score-files-function
1773 gnus-home-score-file
1774 gnus-apply-kill-hook
1775 gnus-summary-expunge-below)
1776 (gnus-group-read-group all t)))
1778 (defun gnus-group-visible-select-group (&optional all)
1779 "Select the current group without hiding any articles."
1781 (let ((gnus-inhibit-limiting t))
1782 (gnus-group-read-group all t)))
1784 (defun gnus-group-select-group-ephemerally ()
1785 "Select the current group without doing any processing whatsoever.
1786 You will actually be entered into a group that's a copy of
1787 the current group; no changes you make while in this group will
1790 (require 'gnus-score)
1792 gnus-score-find-score-files-function gnus-apply-kill-hook
1793 gnus-summary-expunge-below gnus-show-threads gnus-suppress-duplicates
1794 gnus-summary-mode-hook gnus-select-group-hook
1795 (group (gnus-group-group-name))
1796 (method (gnus-find-method-for-group group)))
1797 (gnus-group-read-ephemeral-group
1798 (gnus-group-prefixed-name group method) method)))
1801 (defun gnus-fetch-group (group)
1802 "Start Gnus if necessary and enter GROUP.
1803 Returns whether the fetching was successful or not."
1804 (interactive (list (completing-read "Group name: " gnus-active-hashtb)))
1805 (unless (get-buffer gnus-group-buffer)
1807 (gnus-group-read-group nil nil group))
1810 (defun gnus-fetch-group-other-frame (group)
1811 "Pop up a frame and enter GROUP."
1813 (let ((window (get-buffer-window gnus-group-buffer)))
1815 (select-frame (window-frame window)))
1816 ((= (length (frame-list)) 1)
1817 (select-frame (make-frame)))
1820 (gnus-fetch-group group))
1822 (defvar gnus-ephemeral-group-server 0)
1824 ;; Enter a group that is not in the group buffer. Non-nil is returned
1825 ;; if selection was successful.
1826 (defun gnus-group-read-ephemeral-group (group method &optional activate
1827 quit-config request-only
1829 "Read GROUP from METHOD as an ephemeral group.
1830 If ACTIVATE, request the group first.
1831 If QUIT-CONFIG, use that window configuration when exiting from the
1833 If REQUEST-ONLY, don't actually read the group; just request it.
1834 If SELECT-ARTICLES, only select those articles.
1836 Return the name of the group if selection was successful."
1837 ;; Transform the select method into a unique server.
1838 (when (stringp method)
1839 (setq method (gnus-server-to-method method)))
1841 `(,(car method) ,(concat (cadr method) "-ephemeral")
1842 (,(intern (format "%s-address" (car method))) ,(cadr method))
1844 (let ((group (if (gnus-group-foreign-p group) group
1845 (gnus-group-prefixed-name group method))))
1849 ,gnus-level-default-subscribed nil nil ,method
1851 ,(if quit-config quit-config
1852 (cons gnus-summary-buffer
1853 gnus-current-window-configuration))))))
1855 (push method gnus-ephemeral-servers)
1856 (set-buffer gnus-group-buffer)
1857 (unless (gnus-check-server method)
1858 (error "Unable to contact server: %s" (gnus-status-message method)))
1860 (gnus-activate-group group 'scan)
1861 (unless (gnus-request-group group)
1862 (error "Couldn't request group: %s"
1863 (nnheader-get-report (car method)))))
1867 (when (gnus-group-read-group t t group select-articles)
1871 (message "Quit reading the ephemeral group")
1874 (defun gnus-group-jump-to-group (group)
1875 "Jump to newsgroup GROUP."
1877 (list (completing-read
1878 "Group: " gnus-active-hashtb nil
1879 (gnus-read-active-file-p)
1880 gnus-group-jump-to-group-prompt
1881 'gnus-group-history)))
1883 (when (equal group "")
1884 (error "Empty group name"))
1886 (unless (gnus-ephemeral-group-p group)
1887 ;; Either go to the line in the group buffer...
1888 (unless (gnus-group-goto-group group)
1889 ;; ... or insert the line.
1890 (gnus-group-update-group group)
1891 (gnus-group-goto-group group)))
1892 ;; Adjust cursor point.
1893 (gnus-group-position-point))
1895 (defun gnus-group-goto-group (group &optional far test-marked)
1896 "Goto to newsgroup GROUP.
1897 If FAR, it is likely that the group is not on the current line.
1898 If TEST-MARKED, the line must be marked."
1902 ;; It's quite likely that we are on the right line, so
1903 ;; we check the current line first.
1905 (eq (get-text-property (point) 'gnus-group)
1906 (gnus-intern-safe group gnus-active-hashtb))
1907 (or (not test-marked) (gnus-group-mark-line-p)))
1909 ;; Previous and next line are also likely, so we check them as well.
1913 (and (eq (get-text-property (point) 'gnus-group)
1914 (gnus-intern-safe group gnus-active-hashtb))
1915 (or (not test-marked) (gnus-group-mark-line-p)))))
1921 (and (eq (get-text-property (point) 'gnus-group)
1922 (gnus-intern-safe group gnus-active-hashtb))
1923 (or (not test-marked) (gnus-group-mark-line-p)))))
1927 (goto-char (point-min))
1929 (while (and (not found)
1934 (gnus-intern-safe group gnus-active-hashtb))))
1935 (if (gnus-group-mark-line-p)
1940 ;; Search through the entire buffer.
1943 (point-min) (point-max)
1944 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))))))
1946 (defun gnus-group-next-group (n &optional silent)
1947 "Go to next N'th newsgroup.
1948 If N is negative, search backward instead.
1949 Returns the difference between N and the number of skips actually
1952 (gnus-group-next-unread-group n t nil silent))
1954 (defun gnus-group-next-unread-group (n &optional all level silent)
1955 "Go to next N'th unread newsgroup.
1956 If N is negative, search backward instead.
1957 If ALL is non-nil, choose any newsgroup, unread or not.
1958 If LEVEL is non-nil, choose the next group with level LEVEL, or, if no
1959 such group can be found, the next group with a level higher than
1961 Returns the difference between N and the number of skips actually
1964 (let ((backward (< n 0))
1967 (gnus-group-search-forward
1968 backward (or (not gnus-group-goto-unread) all) level))
1972 (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread")
1973 (if level " on this level or higher" "")))
1976 (defun gnus-group-prev-group (n)
1977 "Go to previous N'th newsgroup.
1978 Returns the difference between N and the number of skips actually
1981 (gnus-group-next-unread-group (- n) t))
1983 (defun gnus-group-prev-unread-group (n)
1984 "Go to previous N'th unread newsgroup.
1985 Returns the difference between N and the number of skips actually
1988 (gnus-group-next-unread-group (- n)))
1990 (defun gnus-group-next-unread-group-same-level (n)
1991 "Go to next N'th unread newsgroup on the same level.
1992 If N is negative, search backward instead.
1993 Returns the difference between N and the number of skips actually
1996 (gnus-group-next-unread-group n t (gnus-group-group-level))
1997 (gnus-group-position-point))
1999 (defun gnus-group-prev-unread-group-same-level (n)
2000 "Go to next N'th unread newsgroup on the same level.
2001 Returns the difference between N and the number of skips actually
2004 (gnus-group-next-unread-group (- n) t (gnus-group-group-level))
2005 (gnus-group-position-point))
2007 (defun gnus-group-best-unread-group (&optional exclude-group)
2008 "Go to the group with the highest level.
2009 If EXCLUDE-GROUP, do not go to that group."
2011 (goto-char (point-min))
2015 (setq unread (get-text-property (point) 'gnus-unread))
2016 (when (and (numberp unread) (> unread 0))
2017 (when (and (get-text-property (point) 'gnus-level)
2018 (< (get-text-property (point) 'gnus-level) best)
2019 (or (not exclude-group)
2020 (not (equal exclude-group (gnus-group-group-name)))))
2021 (setq best (get-text-property (point) 'gnus-level))
2022 (setq best-point (point))))
2025 (goto-char best-point))
2026 (gnus-summary-position-point)
2027 (and best-point (gnus-group-group-name))))
2029 (defun gnus-group-first-unread-group ()
2030 "Go to the first group with unread articles."
2033 (let ((opoint (point))
2035 (goto-char (point-min))
2036 (if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active.
2037 (and (numberp unread) ; Not a topic.
2038 (not (zerop unread))) ; Has unread articles.
2039 (zerop (gnus-group-next-unread-group 1))) ; Next unread group.
2042 nil)) ; Not success.
2043 (gnus-group-position-point)))
2045 (defun gnus-group-enter-server-mode ()
2046 "Jump to the server buffer."
2048 (gnus-enter-server-buffer))
2050 (defun gnus-group-make-group (name &optional method address args)
2051 "Add a new newsgroup.
2052 The user will be prompted for a NAME, for a select METHOD, and an
2056 (gnus-read-group "Group name: ")
2057 (gnus-read-method "From method: ")))
2059 (when (stringp method)
2060 (setq method (or (gnus-server-to-method method) method)))
2061 (let* ((meth (gnus-method-simplify
2063 (not (gnus-server-equal method gnus-select-method)))
2064 (if address (list (intern method) address)
2066 (nname (if method (gnus-group-prefixed-name name meth) name))
2068 (when (gnus-gethash nname gnus-newsrc-hashtb)
2069 (error "Group %s already exists" nname))
2070 ;; Subscribe to the new group.
2071 (gnus-group-change-level
2072 (setq info (list t nname gnus-level-default-subscribed nil nil meth))
2073 gnus-level-default-subscribed gnus-level-killed
2074 (and (gnus-group-group-name)
2075 (gnus-gethash (gnus-group-group-name)
2076 gnus-newsrc-hashtb))
2079 (gnus-set-active nname (cons 1 0))
2080 (unless (gnus-ephemeral-group-p name)
2082 (concat "(gnus-group-set-info '"
2083 (gnus-prin1-to-string (cdr info)) ")")))
2085 (gnus-group-insert-group-line-info nname)
2087 (gnus-group-position-point)
2089 ;; Load the backend and try to make the backend create
2090 ;; the group as well.
2091 (when (assoc (symbol-name (setq backend (car (gnus-server-get-method
2093 gnus-valid-select-methods)
2095 (gnus-check-server meth)
2096 (when (gnus-check-backend-function 'request-create-group nname)
2097 (gnus-request-create-group nname nil args))
2100 (defun gnus-group-delete-groups (&optional arg)
2101 "Delete the current group. Only meaningful with editable groups."
2103 (let ((n (length (gnus-group-process-prefix arg))))
2104 (when (gnus-yes-or-no-p
2106 "Delete this 1 group? "
2107 (format "Delete these %d groups? " n)))
2108 (gnus-group-iterate arg
2110 (gnus-group-delete-group group nil t))))))
2112 (defun gnus-group-delete-group (group &optional force no-prompt)
2113 "Delete the current group. Only meaningful with editable groups.
2114 If FORCE (the prefix) is non-nil, all the articles in the group will
2115 be deleted. This is \"deleted\" as in \"removed forever from the face
2116 of the Earth\". There is no undo. The user will be prompted before
2117 doing the deletion."
2119 (list (gnus-group-group-name)
2120 current-prefix-arg))
2122 (error "No group to rename"))
2123 (unless (gnus-check-backend-function 'request-delete-group group)
2124 (error "This backend does not support group deletion"))
2126 (if (and (not no-prompt)
2127 (not (gnus-yes-or-no-p
2129 "Do you really want to delete %s%s? "
2130 group (if force " and all its contents" "")))))
2132 (gnus-message 6 "Deleting group %s..." group)
2133 (if (not (gnus-request-delete-group group force))
2134 (gnus-error 3 "Couldn't delete group %s" group)
2135 (gnus-message 6 "Deleting group %s...done" group)
2136 (gnus-group-goto-group group)
2137 (gnus-group-kill-group 1 t)
2138 (gnus-sethash group nil gnus-active-hashtb)
2140 (gnus-group-position-point)))
2142 (defun gnus-group-rename-group (group new-name)
2143 "Rename group from GROUP to NEW-NAME.
2144 When used interactively, GROUP is the group under point
2145 and NEW-NAME will be prompted for."
2148 (gnus-group-group-name)
2150 (unless (gnus-check-backend-function
2151 'request-rename-group (gnus-group-group-name))
2152 (error "This backend does not support renaming groups"))
2153 (gnus-read-group "Rename group to: "
2154 (gnus-group-real-name (gnus-group-group-name))))))
2156 (unless (gnus-check-backend-function 'request-rename-group group)
2157 (error "This backend does not support renaming groups"))
2159 (error "No group to rename"))
2160 (when (equal (gnus-group-real-name group) new-name)
2161 (error "Can't rename to the same name"))
2163 ;; We find the proper prefixed name.
2165 (if (gnus-group-native-p group)
2169 (gnus-group-prefixed-name
2170 (gnus-group-real-name new-name)
2171 (gnus-info-method (gnus-get-info group)))))
2173 (gnus-message 6 "Renaming group %s to %s..." group new-name)
2176 (gnus-group-goto-group group)
2177 (not (when (< (gnus-group-group-level) gnus-level-zombie)
2178 (gnus-request-rename-group group new-name))))
2179 (gnus-error 3 "Couldn't rename group %s to %s" group new-name)
2180 ;; We rename the group internally by killing it...
2181 (gnus-group-kill-group)
2182 ;; ... changing its name ...
2183 (setcar (cdar gnus-list-of-killed-groups) new-name)
2184 ;; ... and then yanking it. Magic!
2185 (gnus-group-yank-group)
2186 (gnus-set-active new-name (gnus-active group))
2187 (gnus-message 6 "Renaming group %s to %s...done" group new-name)
2189 (setq gnus-killed-list (delete group gnus-killed-list))
2190 (gnus-set-active group nil)
2191 (gnus-dribble-touch)
2192 (gnus-group-position-point)))
2194 (defun gnus-group-edit-group (group &optional part)
2195 "Edit the group on the current line."
2196 (interactive (list (gnus-group-group-name)))
2197 (let ((part (or part 'info))
2200 (error "No group on current line"))
2201 (unless (setq info (gnus-get-info group))
2202 (error "Killed group; can't be edited"))
2204 (gnus-close-group group))
2206 ;; Find the proper form to edit.
2207 (cond ((eq part 'method)
2208 (or (gnus-info-method info) "native"))
2210 (gnus-info-params info))
2212 ;; The proper documentation.
2214 "Editing the %s for `%s'."
2216 ((eq part 'method) "select method")
2217 ((eq part 'params) "group parameters")
2219 (gnus-group-decoded-name group))
2221 (gnus-group-edit-group-done ',part ,group form)))))
2223 (defun gnus-group-edit-group-method (group)
2224 "Edit the select method of GROUP."
2225 (interactive (list (gnus-group-group-name)))
2226 (gnus-group-edit-group group 'method))
2228 (defun gnus-group-edit-group-parameters (group)
2229 "Edit the group parameters of GROUP."
2230 (interactive (list (gnus-group-group-name)))
2231 (gnus-group-edit-group group 'params))
2233 (defun gnus-group-edit-group-done (part group form)
2235 (let* ((method (cond ((eq part 'info) (nth 4 form))
2236 ((eq part 'method) form)
2238 (info (cond ((eq part 'info) form)
2239 ((eq part 'method) (gnus-get-info group))
2242 (if (or (not method)
2244 gnus-select-method method))
2245 (gnus-group-real-name (car info))
2246 (gnus-group-prefixed-name
2247 (gnus-group-real-name (car info)) method))
2249 (when (and new-group
2250 (not (equal new-group group)))
2251 (when (gnus-group-goto-group group)
2252 (gnus-group-kill-group 1))
2253 (gnus-activate-group new-group))
2255 (if (not (and info new-group))
2256 (gnus-group-set-info form (or new-group group) part)
2257 (setq info (gnus-copy-sequence info))
2258 (setcar info new-group)
2259 (unless (gnus-server-equal method "native")
2260 (unless (nthcdr 3 info)
2261 (nconc info (list nil nil)))
2262 (unless (nthcdr 4 info)
2263 (nconc info (list nil)))
2264 (gnus-info-set-method info method))
2265 (gnus-group-set-info info))
2266 (gnus-group-update-group (or new-group group))
2267 (gnus-group-position-point)))
2269 (defun gnus-group-make-useful-group (group method)
2270 "Create one of the groups described in `gnus-useful-groups'."
2272 (let ((entry (assoc (completing-read "Create group: " gnus-useful-groups
2274 gnus-useful-groups)))
2275 (list (cadr entry) (caddr entry))))
2276 (setq method (gnus-copy-sequence method))
2278 (while (setq entry (memq (assq 'eval method) method))
2279 (setcar entry (eval (cadar entry)))))
2280 (gnus-group-make-group group method))
2282 (defun gnus-group-make-help-group ()
2283 "Create the Gnus documentation group."
2285 (let ((name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help")))
2286 (file (nnheader-find-etc-directory "gnus-tut.txt" t)))
2287 (when (gnus-gethash name gnus-newsrc-hashtb)
2288 (error "Documentation group already exists"))
2290 (gnus-message 1 "Couldn't find doc group")
2291 (gnus-group-make-group
2292 (gnus-group-real-name name)
2293 (list 'nndoc "gnus-help"
2294 (list 'nndoc-address file)
2295 (list 'nndoc-article-type 'mbox)))))
2296 (gnus-group-position-point))
2298 (defun gnus-group-make-doc-group (file type)
2299 "Create a group that uses a single file as the source."
2301 (list (read-file-name "File name: ")
2302 (and current-prefix-arg 'ask)))
2303 (when (eq type 'ask)
2308 "%sFile type (mbox, babyl, digest, forward, mmdf, guess) [mbdfag]: "
2310 (setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
2311 ((= char ?b) 'babyl)
2312 ((= char ?d) 'digest)
2313 ((= char ?f) 'forward)
2315 ((= char ?g) 'guess)
2316 (t (setq err (format "%c unknown. " char))
2319 (let* ((file (expand-file-name file))
2320 (name (gnus-generate-new-group-name
2321 (gnus-group-prefixed-name
2322 (file-name-nondirectory file) '(nndoc "")))))
2323 (gnus-group-make-group
2324 (gnus-group-real-name name)
2326 (list 'nndoc-address file)
2327 (list 'nndoc-article-type (or type 'guess))))))
2329 (defvar nnweb-type-definition)
2330 (defvar gnus-group-web-type-history nil)
2331 (defvar gnus-group-web-search-history nil)
2332 (defun gnus-group-make-web-group (&optional solid)
2333 "Create an ephemeral nnweb group.
2334 If SOLID (the prefix), create a solid group."
2338 (if solid (gnus-read-group "Group name: ")
2339 (message-unique-id)))
2340 (default-type (or (car gnus-group-web-type-history)
2341 (symbol-name (caar nnweb-type-definition))))
2345 (format "Search engine type (default %s): " default-type)
2346 (mapcar (lambda (elem) (list (symbol-name (car elem))))
2347 nnweb-type-definition)
2348 nil t nil 'gnus-group-web-type-history)
2353 (cons (or (car gnus-group-web-search-history) "") 0)
2354 'gnus-group-web-search-history))
2356 `(nnweb ,group (nnweb-search ,search)
2357 (nnweb-type ,(intern type))
2358 (nnweb-ephemeral-p t))))
2360 (gnus-group-make-group group "nnweb" "" `(,(intern type) ,search))
2361 (gnus-group-read-ephemeral-group
2363 (cons (current-buffer)
2364 (if (eq major-mode 'gnus-summary-mode) 'summary 'group))))))
2366 (defvar nnwarchive-type-definition)
2367 (defvar gnus-group-warchive-type-history nil)
2368 (defvar gnus-group-warchive-login-history nil)
2369 (defvar gnus-group-warchive-address-history nil)
2371 (defun gnus-group-make-warchive-group ()
2372 "Create a nnwarchive group."
2374 (require 'nnwarchive)
2375 (let* ((group (gnus-read-group "Group name: "))
2376 (default-type (or (car gnus-group-warchive-type-history)
2377 (symbol-name (caar nnwarchive-type-definition))))
2381 (format "Warchive type (default %s): " default-type)
2382 (mapcar (lambda (elem) (list (symbol-name (car elem))))
2383 nnwarchive-type-definition)
2384 nil t nil 'gnus-group-warchive-type-history)
2386 (address (read-string "Warchive address: "
2387 nil 'gnus-group-warchive-address-history))
2388 (default-login (or (car gnus-group-warchive-login-history)
2393 (format "Warchive login (default %s): " user-mail-address)
2394 default-login 'gnus-group-warchive-login-history)
2397 `(nnwarchive ,address
2398 (nnwarchive-type ,(intern type))
2399 (nnwarchive-login ,login))))
2400 (gnus-group-make-group group method)))
2402 (defun gnus-group-make-archive-group (&optional all)
2403 "Create the (ding) Gnus archive group of the most recent articles.
2404 Given a prefix, create a full group."
2406 (let ((group (gnus-group-prefixed-name
2407 (if all "ding.archives" "ding.recent") '(nndir ""))))
2408 (when (gnus-gethash group gnus-newsrc-hashtb)
2409 (error "Archive group already exists"))
2410 (gnus-group-make-group
2411 (gnus-group-real-name group)
2412 (list 'nndir (if all "hpc" "edu")
2413 (list 'nndir-directory
2414 (if all gnus-group-archive-directory
2415 gnus-group-recent-archive-directory))))
2416 (gnus-group-add-parameter group (cons 'to-address "ding@gnus.org"))))
2418 (defun gnus-group-make-directory-group (dir)
2419 "Create an nndir group.
2420 The user will be prompted for a directory. The contents of this
2421 directory will be used as a newsgroup. The directory should contain
2422 mail messages or news articles in files that have numeric names."
2424 (list (read-file-name "Create group from directory: ")))
2425 (unless (file-exists-p dir)
2426 (error "No such directory"))
2427 (unless (file-directory-p dir)
2428 (error "Not a directory"))
2432 (while (or (not group) (gnus-gethash group gnus-newsrc-hashtb))
2434 (gnus-group-prefixed-name
2435 (expand-file-name ext dir)
2437 (setq ext (format "<%d>" (setq i (1+ i)))))
2438 (gnus-group-make-group
2439 (gnus-group-real-name group)
2440 (list 'nndir (gnus-group-real-name group) (list 'nndir-directory dir)))))
2442 (eval-when-compile (defvar nnkiboze-score-file))
2443 (defun gnus-group-make-kiboze-group (group address scores)
2444 "Create an nnkiboze group.
2445 The user will be prompted for a name, a regexp to match groups, and
2446 score file entries for articles to include in the group."
2449 (read-string "nnkiboze group name: ")
2450 (read-string "Source groups (regexp): ")
2451 (let ((headers (mapcar (lambda (group) (list group))
2452 '("subject" "from" "number" "date" "message-id"
2453 "references" "chars" "lines" "xref"
2454 "followup" "all" "body" "head")))
2455 scores header regexp regexps)
2456 (while (not (equal "" (setq header (completing-read
2457 "Match on header: " headers nil t))))
2459 (while (not (equal "" (setq regexp (read-string
2460 (format "Match on %s (regexp): "
2462 (push (list regexp nil nil 'r) regexps))
2463 (push (cons header regexps) scores))
2465 (gnus-group-make-group group "nnkiboze" address)
2466 (let* ((nnkiboze-current-group group)
2467 (score-file (car (nnkiboze-score-file "")))
2468 (score-dir (file-name-directory score-file)))
2469 (unless (file-exists-p score-dir)
2470 (make-directory score-dir))
2471 (with-temp-file score-file
2472 (let (emacs-lisp-mode-hook)
2473 (pp scores (current-buffer))))))
2475 (defun gnus-group-add-to-virtual (n vgroup)
2476 "Add the current group to a virtual group."
2478 (list current-prefix-arg
2479 (completing-read "Add to virtual group: " gnus-newsrc-hashtb nil t
2481 (unless (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual)
2482 (error "%s is not an nnvirtual group" vgroup))
2483 (gnus-close-group vgroup)
2484 (let* ((groups (gnus-group-process-prefix n))
2485 (method (gnus-info-method (gnus-get-info vgroup))))
2486 (setcar (cdr method)
2488 (nth 1 method) "\\|"
2491 (gnus-group-remove-mark s)
2492 (concat "\\(^" (regexp-quote s) "$\\)"))
2494 (gnus-group-position-point))
2496 (defun gnus-group-make-empty-virtual (group)
2497 "Create a new, fresh, empty virtual group."
2498 (interactive "sCreate new, empty virtual group: ")
2499 (let* ((method (list 'nnvirtual "^$"))
2500 (pgroup (gnus-group-prefixed-name group method)))
2501 ;; Check whether it exists already.
2502 (when (gnus-gethash pgroup gnus-newsrc-hashtb)
2503 (error "Group %s already exists" pgroup))
2504 ;; Subscribe the new group after the group on the current line.
2505 (gnus-subscribe-group pgroup (gnus-group-group-name) method)
2506 (gnus-group-update-group pgroup)
2508 (gnus-group-position-point)))
2510 (defun gnus-group-enter-directory (dir)
2511 "Enter an ephemeral nneething group."
2512 (interactive "DDirectory to read: ")
2513 (let* ((method (list 'nneething dir '(nneething-read-only t)))
2514 (leaf (gnus-group-prefixed-name
2515 (file-name-nondirectory (directory-file-name dir))
2517 (name (gnus-generate-new-group-name leaf)))
2518 (unless (gnus-group-read-ephemeral-group
2520 (cons (current-buffer)
2521 (if (eq major-mode 'gnus-summary-mode)
2523 (error "Couldn't enter %s" dir))))
2526 (autoload 'nnimap-expunge "nnimap")
2527 (autoload 'nnimap-acl-get "nnimap")
2528 (autoload 'nnimap-acl-edit "nnimap"))
2530 (defun gnus-group-nnimap-expunge (group)
2531 "Expunge deleted articles in current nnimap GROUP."
2532 (interactive (list (gnus-group-group-name)))
2533 (let ((mailbox (gnus-group-real-name group)) method)
2535 (error "No group on current line"))
2536 (unless (gnus-get-info group)
2537 (error "Killed group; can't be edited"))
2538 (unless (eq 'nnimap (car (setq method (gnus-find-method-for-group group))))
2539 (error "%s is not an nnimap group" group))
2540 (nnimap-expunge mailbox (cadr method))))
2542 (defun gnus-group-nnimap-edit-acl (group)
2543 "Edit the Access Control List of current nnimap GROUP."
2544 (interactive (list (gnus-group-group-name)))
2545 (let ((mailbox (gnus-group-real-name group)) method acl)
2547 (error "No group on current line"))
2548 (unless (gnus-get-info group)
2549 (error "Killed group; can't be edited"))
2550 (unless (eq (car (setq method (gnus-find-method-for-group group))) 'nnimap)
2551 (error "%s is not an nnimap group" group))
2552 (unless (setq acl (nnimap-acl-get mailbox (cadr method)))
2553 (error "Server does not support ACL's"))
2554 (gnus-edit-form acl (format "Editing the access control list for `%s'.
2556 An access control list is a list of (identifier . rights) elements.
2558 The identifier string specifies the corresponding user. The
2559 identifier \"anyone\" is reserved to refer to the universal identity.
2561 Rights is a string listing a (possibly empty) set of alphanumeric
2562 characters, each character listing a set of operations which is being
2563 controlled. Letters are reserved for ``standard'' rights, listed
2564 below. Digits are reserved for implementation or site defined rights.
2566 l - lookup (mailbox is visible to LIST/LSUB commands)
2567 r - read (SELECT the mailbox, perform CHECK, FETCH, PARTIAL,
2568 SEARCH, COPY from mailbox)
2569 s - keep seen/unseen information across sessions (STORE \\SEEN flag)
2570 w - write (STORE flags other than \\SEEN and \\DELETED)
2571 i - insert (perform APPEND, COPY into mailbox)
2572 p - post (send mail to submission address for mailbox,
2573 not enforced by IMAP4 itself)
2574 c - create and delete mailbox (CREATE new sub-mailboxes in any
2575 implementation-defined hierarchy, RENAME or DELETE mailbox)
2576 d - delete messages (STORE \\DELETED flag, perform EXPUNGE)
2577 a - administer (perform SETACL)" group)
2580 ,mailbox ',method ',acl form)))))
2582 ;; Group sorting commands
2583 ;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>.
2585 (defun gnus-group-sort-groups (func &optional reverse)
2586 "Sort the group buffer according to FUNC.
2587 When used interactively, the sorting function used will be
2588 determined by the `gnus-group-sort-function' variable.
2589 If REVERSE (the prefix), reverse the sorting order."
2590 (interactive (list gnus-group-sort-function current-prefix-arg))
2591 (funcall gnus-group-sort-alist-function
2592 (gnus-make-sort-function func) reverse)
2593 (gnus-group-list-groups)
2594 (gnus-dribble-touch))
2596 (defun gnus-group-sort-flat (func reverse)
2597 ;; We peel off the dummy group from the alist.
2599 (when (equal (gnus-info-group (car gnus-newsrc-alist)) "dummy.group")
2600 (pop gnus-newsrc-alist))
2602 (setq gnus-newsrc-alist
2603 (sort gnus-newsrc-alist func))
2605 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)))
2606 ;; Regenerate the hash table.
2607 (gnus-make-hashtable-from-newsrc-alist)))
2609 (defun gnus-group-sort-groups-by-alphabet (&optional reverse)
2610 "Sort the group buffer alphabetically by group name.
2611 If REVERSE, sort in reverse order."
2613 (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse))
2615 (defun gnus-group-sort-groups-by-unread (&optional reverse)
2616 "Sort the group buffer by number of unread articles.
2617 If REVERSE, sort in reverse order."
2619 (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse))
2621 (defun gnus-group-sort-groups-by-level (&optional reverse)
2622 "Sort the group buffer by group level.
2623 If REVERSE, sort in reverse order."
2625 (gnus-group-sort-groups 'gnus-group-sort-by-level reverse))
2627 (defun gnus-group-sort-groups-by-score (&optional reverse)
2628 "Sort the group buffer by group score.
2629 If REVERSE, sort in reverse order."
2631 (gnus-group-sort-groups 'gnus-group-sort-by-score reverse))
2633 (defun gnus-group-sort-groups-by-rank (&optional reverse)
2634 "Sort the group buffer by group rank.
2635 If REVERSE, sort in reverse order."
2637 (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse))
2639 (defun gnus-group-sort-groups-by-method (&optional reverse)
2640 "Sort the group buffer alphabetically by backend name.
2641 If REVERSE, sort in reverse order."
2643 (gnus-group-sort-groups 'gnus-group-sort-by-method reverse))
2645 ;;; Selected group sorting.
2647 (defun gnus-group-sort-selected-groups (n func &optional reverse)
2648 "Sort the process/prefixed groups."
2649 (interactive (list current-prefix-arg gnus-group-sort-function))
2650 (let ((groups (gnus-group-process-prefix n)))
2651 (funcall gnus-group-sort-selected-function
2652 groups (gnus-make-sort-function func) reverse)
2653 (gnus-group-list-groups)))
2655 (defun gnus-group-sort-selected-flat (groups func reverse)
2656 (let (entries infos)
2657 ;; First find all the group entries for these groups.
2659 (push (nthcdr 2 (gnus-gethash (pop groups) gnus-newsrc-hashtb))
2661 ;; Then sort the infos.
2665 (lambda (entry) (car entry))
2666 (setq entries (nreverse entries)))
2669 (setq infos (nreverse infos)))
2670 ;; Go through all the infos and replace the old entries
2671 ;; with the new infos.
2673 (setcar (car entries) (pop infos))
2675 ;; Update the hashtable.
2676 (gnus-make-hashtable-from-newsrc-alist)))
2678 (defun gnus-group-sort-selected-groups-by-alphabet (&optional n reverse)
2679 "Sort the group buffer alphabetically by group name.
2680 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2681 sort in reverse order."
2682 (interactive (gnus-interactive "P\ny"))
2683 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-alphabet reverse))
2685 (defun gnus-group-sort-selected-groups-by-unread (&optional n reverse)
2686 "Sort the group buffer by number of unread articles.
2687 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2688 sort in reverse order."
2689 (interactive (gnus-interactive "P\ny"))
2690 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-unread reverse))
2692 (defun gnus-group-sort-selected-groups-by-level (&optional n reverse)
2693 "Sort the group buffer by group level.
2694 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2695 sort in reverse order."
2696 (interactive (gnus-interactive "P\ny"))
2697 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-level reverse))
2699 (defun gnus-group-sort-selected-groups-by-score (&optional n reverse)
2700 "Sort the group buffer by group score.
2701 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2702 sort in reverse order."
2703 (interactive (gnus-interactive "P\ny"))
2704 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-score reverse))
2706 (defun gnus-group-sort-selected-groups-by-rank (&optional n reverse)
2707 "Sort the group buffer by group rank.
2708 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2709 sort in reverse order."
2710 (interactive (gnus-interactive "P\ny"))
2711 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-rank reverse))
2713 (defun gnus-group-sort-selected-groups-by-method (&optional n reverse)
2714 "Sort the group buffer alphabetically by backend name.
2715 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2716 sort in reverse order."
2717 (interactive (gnus-interactive "P\ny"))
2718 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-method reverse))
2720 ;;; Sorting predicates.
2722 (defun gnus-group-sort-by-alphabet (info1 info2)
2723 "Sort alphabetically."
2724 (string< (gnus-info-group info1) (gnus-info-group info2)))
2726 (defun gnus-group-sort-by-real-name (info1 info2)
2727 "Sort alphabetically on real (unprefixed) names."
2728 (string< (gnus-group-real-name (gnus-info-group info1))
2729 (gnus-group-real-name (gnus-info-group info2))))
2731 (defun gnus-group-sort-by-unread (info1 info2)
2732 "Sort by number of unread articles."
2733 (let ((n1 (car (gnus-gethash (gnus-info-group info1) gnus-newsrc-hashtb)))
2734 (n2 (car (gnus-gethash (gnus-info-group info2) gnus-newsrc-hashtb))))
2735 (< (or (and (numberp n1) n1) 0)
2736 (or (and (numberp n2) n2) 0))))
2738 (defun gnus-group-sort-by-level (info1 info2)
2740 (< (gnus-info-level info1) (gnus-info-level info2)))
2742 (defun gnus-group-sort-by-method (info1 info2)
2743 "Sort alphabetically by backend name."
2744 (string< (symbol-name (car (gnus-find-method-for-group
2745 (gnus-info-group info1) info1)))
2746 (symbol-name (car (gnus-find-method-for-group
2747 (gnus-info-group info2) info2)))))
2749 (defun gnus-group-sort-by-score (info1 info2)
2750 "Sort by group score."
2751 (< (gnus-info-score info1) (gnus-info-score info2)))
2753 (defun gnus-group-sort-by-rank (info1 info2)
2754 "Sort by level and score."
2755 (let ((level1 (gnus-info-level info1))
2756 (level2 (gnus-info-level info2)))
2757 (or (< level1 level2)
2758 (and (= level1 level2)
2759 (> (gnus-info-score info1) (gnus-info-score info2))))))
2763 (defun gnus-group-clear-data (&optional arg)
2764 "Clear all marks and read ranges from the current group."
2766 (gnus-group-iterate arg
2769 (gnus-info-clear-data (setq info (gnus-get-info group)))
2770 (gnus-get-unread-articles-in-group info (gnus-active group) t)
2771 (when (gnus-group-goto-group group)
2772 (gnus-group-update-group-line))))))
2774 (defun gnus-group-clear-data-on-native-groups ()
2775 "Clear all marks and read ranges from all native groups."
2777 (when (gnus-yes-or-no-p "Really clear all data from almost all groups? ")
2778 (let ((alist (cdr gnus-newsrc-alist))
2780 (while (setq info (pop alist))
2781 (when (gnus-group-native-p (gnus-info-group info))
2782 (gnus-info-clear-data info)))
2783 (gnus-get-unread-articles)
2784 (gnus-dribble-touch)
2785 (when (gnus-y-or-n-p
2786 "Move the cache away to avoid problems in the future? ")
2787 (call-interactively 'gnus-cache-move-cache)))))
2789 (defun gnus-info-clear-data (info)
2790 "Clear all marks and read ranges from INFO."
2791 (let ((group (gnus-info-group info)))
2794 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
2795 (gnus-info-set-read ',info ',(gnus-info-read info))
2796 (when (gnus-group-goto-group ,group)
2797 (gnus-group-update-group-line))))
2798 (gnus-info-set-read info nil)
2799 (when (gnus-info-marks info)
2800 (gnus-info-set-marks info nil))))
2802 ;; Group catching up.
2804 (defun gnus-group-catchup-current (&optional n all)
2805 "Mark all unread articles in the current newsgroup as read.
2806 If prefix argument N is numeric, the next N newsgroups will be
2807 caught up. If ALL is non-nil, marked articles will also be marked as
2808 read. Cross references (Xref: header) of articles are ignored.
2809 The number of newsgroups that this function was unable to catch
2812 (let ((groups (gnus-group-process-prefix n))
2815 (unless groups (error "No groups selected"))
2817 (or (not gnus-interactive-catchup) ;Without confirmation?
2822 "Do you really want to mark all articles in %s as read? "
2823 "Mark all unread articles in %s as read? ")
2824 (if (= (length groups) 1)
2826 (format "these %d groups" (length groups)))))))
2828 (while (setq group (pop groups))
2829 (gnus-group-remove-mark group)
2830 ;; Virtual groups have to be given special treatment.
2831 (let ((method (gnus-find-method-for-group group)))
2832 (when (eq 'nnvirtual (car method))
2833 (nnvirtual-catchup-group
2834 (gnus-group-real-name group) (nth 1 method) all)))
2835 (if (>= (gnus-group-level group) gnus-level-zombie)
2836 (gnus-message 2 "Dead groups can't be caught up")
2838 (gnus-group-goto-group group)
2839 (gnus-group-catchup group all))
2840 (gnus-group-update-group-line)
2841 (setq ret (1+ ret)))))
2842 (gnus-group-next-unread-group 1)
2845 (defun gnus-group-catchup-current-all (&optional n)
2846 "Mark all articles in current newsgroup as read.
2847 Cross references (Xref: header) of articles are ignored."
2849 (gnus-group-catchup-current n 'all))
2851 (defun gnus-group-catchup (group &optional all)
2852 "Mark all articles in GROUP as read.
2853 If ALL is non-nil, all articles are marked as read.
2854 The return value is the number of articles that were marked as read,
2855 or nil if no action could be taken."
2856 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
2858 ;; Remove entries for this group.
2859 (nnmail-purge-split-history (gnus-group-real-name group))
2860 ;; Do the updating only if the newsgroup isn't killed.
2861 (if (not (numberp (car entry)))
2862 (gnus-message 1 "Can't catch up %s; non-active group" group)
2863 ;; Do auto-expirable marks if that's required.
2864 (when (gnus-group-auto-expirable-p group)
2865 (gnus-add-marked-articles
2866 group 'expire (gnus-list-of-unread-articles group))
2868 (let ((marks (nth 3 (nth 2 entry))))
2869 (gnus-add-marked-articles
2870 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks))))
2871 (gnus-add-marked-articles
2872 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks)))))))
2874 (gnus-update-read-articles group nil)
2875 ;; Also nix out the lists of marks and dormants.
2877 (gnus-add-marked-articles group 'tick nil nil 'force)
2878 (gnus-add-marked-articles group 'dormant nil nil 'force))
2879 (let ((gnus-newsgroup-name group))
2880 (gnus-run-hooks 'gnus-group-catchup-group-hook))
2883 (defun gnus-group-expire-articles (&optional n)
2884 "Expire all expirable articles in the current newsgroup."
2886 (let ((groups (gnus-group-process-prefix n))
2889 (error "No groups to expire"))
2890 (while (setq group (pop groups))
2891 (gnus-group-remove-mark group)
2892 (gnus-group-expire-articles-1 group)
2893 (gnus-dribble-touch)
2894 (gnus-group-position-point))))
2896 (defun gnus-group-expire-articles-1 (group)
2897 (when (gnus-check-backend-function 'request-expire-articles group)
2898 (gnus-message 6 "Expiring articles in %s..." group)
2899 (let* ((info (gnus-get-info group))
2900 (expirable (if (gnus-group-total-expirable-p group)
2901 (cons nil (gnus-list-of-read-articles group))
2902 (assq 'expire (gnus-info-marks info))))
2903 (expiry-wait (gnus-group-find-parameter group 'expiry-wait))
2904 (nnmail-expiry-target
2905 (or (gnus-group-find-parameter group 'expiry-target)
2906 nnmail-expiry-target)))
2908 (gnus-check-group group)
2911 (gnus-compress-sequence
2913 ;; We set the expiry variables to the group
2915 (let ((nnmail-expiry-wait-function nil)
2916 (nnmail-expiry-wait expiry-wait))
2917 (gnus-request-expire-articles
2918 (gnus-uncompress-sequence (cdr expirable)) group))
2919 ;; Just expire using the normal expiry values.
2920 (gnus-request-expire-articles
2921 (gnus-uncompress-sequence (cdr expirable)) group))))
2922 (gnus-close-group group))
2923 (gnus-message 6 "Expiring articles in %s...done" group)
2924 ;; Return the list of un-expired articles.
2927 (defun gnus-group-expire-all-groups ()
2928 "Expire all expirable articles in all newsgroups."
2931 (gnus-message 5 "Expiring...")
2932 (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info))
2933 (cdr gnus-newsrc-alist))))
2934 (gnus-group-expire-articles nil)))
2935 (gnus-group-position-point)
2936 (gnus-message 5 "Expiring...done"))
2938 (defun gnus-group-set-current-level (n level)
2939 "Set the level of the next N groups to LEVEL."
2944 (let ((s (read-string
2945 (format "Level (default %s): "
2946 (or (gnus-group-group-level)
2947 gnus-level-default-subscribed)))))
2948 (if (string-match "^\\s-*$" s)
2949 (int-to-string (or (gnus-group-group-level)
2950 gnus-level-default-subscribed))
2952 (unless (and (>= level 1) (<= level gnus-level-killed))
2953 (error "Invalid level: %d" level))
2954 (let ((groups (gnus-group-process-prefix n))
2956 (while (setq group (pop groups))
2957 (gnus-group-remove-mark group)
2958 (gnus-message 6 "Changed level of %s from %d to %d"
2959 group (or (gnus-group-group-level) gnus-level-killed)
2961 (gnus-group-change-level
2962 group level (or (gnus-group-group-level) gnus-level-killed))
2963 (gnus-group-update-group-line)))
2964 (gnus-group-position-point))
2966 (defun gnus-group-unsubscribe (&optional n)
2967 "Unsubscribe the current group."
2969 (gnus-group-unsubscribe-current-group n 'unsubscribe))
2971 (defun gnus-group-subscribe (&optional n)
2972 "Subscribe the current group."
2974 (gnus-group-unsubscribe-current-group n 'subscribe))
2976 (defun gnus-group-unsubscribe-current-group (&optional n do-sub)
2977 "Toggle subscription of the current group.
2978 If given numerical prefix, toggle the N next groups."
2980 (let ((groups (gnus-group-process-prefix n))
2983 (setq group (car groups)
2984 groups (cdr groups))
2985 (gnus-group-remove-mark group)
2986 (gnus-group-unsubscribe-group
2989 ((eq do-sub 'unsubscribe)
2990 gnus-level-default-unsubscribed)
2991 ((eq do-sub 'subscribe)
2992 gnus-level-default-subscribed)
2993 ((<= (gnus-group-group-level) gnus-level-subscribed)
2994 gnus-level-default-unsubscribed)
2996 gnus-level-default-subscribed))
2998 (gnus-group-update-group-line))
2999 (gnus-group-next-group 1)))
3001 (defun gnus-group-unsubscribe-group (group &optional level silent)
3002 "Toggle subscription to GROUP.
3003 Killed newsgroups are subscribed. If SILENT, don't try to update the
3006 (list (completing-read
3007 "Group: " gnus-active-hashtb nil
3008 (gnus-read-active-file-p)
3010 'gnus-group-history)))
3011 (let ((newsrc (gnus-gethash group gnus-newsrc-hashtb)))
3013 ((string-match "^[ \t]*$" group)
3014 (error "Empty group name"))
3016 ;; Toggle subscription flag.
3017 (gnus-group-change-level
3018 newsrc (if level level (if (<= (gnus-info-level (nth 2 newsrc))
3019 gnus-level-subscribed)
3020 (1+ gnus-level-subscribed)
3021 gnus-level-default-subscribed)))
3023 (gnus-group-update-group group)))
3024 ((and (stringp group)
3025 (or (not (gnus-read-active-file-p))
3026 (gnus-active group)))
3027 ;; Add new newsgroup.
3028 (gnus-group-change-level
3030 (if level level gnus-level-default-subscribed)
3031 (or (and (member group gnus-zombie-list)
3034 (when (gnus-group-group-name)
3035 (gnus-gethash (gnus-group-group-name) gnus-newsrc-hashtb)))
3037 (gnus-group-update-group group)))
3038 (t (error "No such newsgroup: %s" group)))
3039 (gnus-group-position-point)))
3041 (defun gnus-group-transpose-groups (n)
3042 "Move the current newsgroup up N places.
3043 If given a negative prefix, move down instead. The difference between
3044 N and the number of steps taken is returned."
3046 (unless (gnus-group-group-name)
3047 (error "No group on current line"))
3048 (gnus-group-kill-group 1)
3050 (forward-line (- n))
3051 (gnus-group-yank-group)
3052 (gnus-group-position-point)))
3054 (defun gnus-group-kill-all-zombies (&optional dummy)
3055 "Kill all zombie newsgroups.
3056 The optional DUMMY should always be nil."
3057 (interactive (list (not (gnus-yes-or-no-p "Really kill all zombies? "))))
3059 (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list))
3060 (setq gnus-zombie-list nil)
3061 (gnus-dribble-touch)
3062 (gnus-group-list-groups)))
3064 (defun gnus-group-kill-region (begin end)
3065 "Kill newsgroups in current region (excluding current point).
3066 The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
3081 (beginning-of-line) ;Important when LINES < 1
3082 (gnus-group-kill-group lines)))
3084 (defun gnus-group-kill-group (&optional n discard)
3085 "Kill the next N groups.
3086 The killed newsgroups can be yanked by using \\[gnus-group-yank-group].
3087 However, only groups that were alive can be yanked; already killed
3088 groups or zombie groups can't be yanked.
3089 The return value is the name of the group that was killed, or a list
3092 (let ((buffer-read-only nil)
3093 (groups (gnus-group-process-prefix n))
3094 group entry level out)
3095 (if (< (length groups) 10)
3096 ;; This is faster when there are few groups.
3098 (push (setq group (pop groups)) out)
3099 (gnus-group-remove-mark group)
3100 (setq level (gnus-group-group-level))
3102 (when (and (not discard)
3103 (setq entry (gnus-gethash group gnus-newsrc-hashtb)))
3106 (gnus-group-goto-group ,(gnus-group-group-name))
3107 (gnus-group-yank-group)))
3108 (push (cons (car entry) (nth 2 entry))
3109 gnus-list-of-killed-groups))
3110 (gnus-group-change-level
3111 (if entry entry group) gnus-level-killed (if entry nil level))
3112 (message "Killed group %s" group))
3113 ;; If there are lots and lots of groups to be killed, we use
3114 ;; this thing instead.
3116 (setq groups (nreverse groups))
3118 (gnus-group-remove-mark (setq group (pop groups)))
3120 (push group gnus-killed-list)
3121 (setq gnus-newsrc-alist
3122 (delq (assoc group gnus-newsrc-alist)
3124 (when gnus-group-change-level-function
3125 (funcall gnus-group-change-level-function
3126 group gnus-level-killed 3))
3128 ((setq entry (gnus-gethash group gnus-newsrc-hashtb))
3129 (push (cons (car entry) (nth 2 entry))
3130 gnus-list-of-killed-groups)
3131 (setcdr (cdr entry) (cdddr entry)))
3132 ((member group gnus-zombie-list)
3133 (setq gnus-zombie-list (delete group gnus-zombie-list))))
3134 ;; There may be more than one instance displayed.
3135 (while (gnus-group-goto-group group)
3136 (gnus-delete-line)))
3137 (gnus-make-hashtable-from-newsrc-alist)))
3139 (gnus-group-position-point)
3140 (if (< (length out) 2) (car out) (nreverse out))))
3142 (defun gnus-group-yank-group (&optional arg)
3143 "Yank the last newsgroups killed with \\[gnus-group-kill-group], inserting it before the current newsgroup.
3144 The numeric ARG specifies how many newsgroups are to be yanked. The
3145 name of the newsgroup yanked is returned, or (if several groups are
3146 yanked) a list of yanked groups is returned."
3148 (setq arg (or arg 1))
3149 (let (info group prev out)
3150 (while (>= (decf arg) 0)
3151 (when (not (setq info (pop gnus-list-of-killed-groups)))
3152 (error "No more newsgroups to yank"))
3153 (push (setq group (nth 1 info)) out)
3154 ;; Find which newsgroup to insert this one before - search
3155 ;; backward until something suitable is found. If there are no
3156 ;; other newsgroups in this buffer, just make this newsgroup the
3158 (setq prev (gnus-group-group-name))
3159 (gnus-group-change-level
3160 info (gnus-info-level (cdr info)) gnus-level-killed
3161 (and prev (gnus-gethash prev gnus-newsrc-hashtb))
3163 (gnus-group-insert-group-line-info group)
3165 `(when (gnus-group-goto-group ,group)
3166 (gnus-group-kill-group 1))))
3168 (gnus-group-position-point)
3169 (if (< (length out) 2) (car out) (nreverse out))))
3171 (defun gnus-group-kill-level (level)
3172 "Kill all groups that is on a certain LEVEL."
3173 (interactive "nKill all groups on level: ")
3175 ((= level gnus-level-zombie)
3176 (setq gnus-killed-list
3177 (nconc gnus-zombie-list gnus-killed-list))
3178 (setq gnus-zombie-list nil))
3179 ((and (< level gnus-level-zombie)
3181 (or gnus-expert-user
3184 "Do you really want to kill all groups on level %d? "
3186 (let* ((prev gnus-newsrc-alist)
3189 (if (= (gnus-info-level (car alist)) level)
3191 (push (gnus-info-group (car alist)) gnus-killed-list)
3192 (setcdr prev (cdr alist)))
3194 (setq alist (cdr alist)))
3195 (gnus-make-hashtable-from-newsrc-alist)
3196 (gnus-group-list-groups)))
3198 (error "Can't kill; invalid level: %d" level))))
3200 (defun gnus-group-list-all-groups (&optional arg)
3201 "List all newsgroups with level ARG or lower.
3202 Default is gnus-level-unsubscribed, which lists all subscribed and most
3203 unsubscribed groups."
3205 (gnus-group-list-groups (or arg gnus-level-unsubscribed) t))
3207 ;; Redefine this to list ALL killed groups if prefix arg used.
3208 ;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom).
3209 (defun gnus-group-list-killed (&optional arg)
3210 "List all killed newsgroups in the group buffer.
3211 If ARG is non-nil, list ALL killed groups known to Gnus. This may
3212 entail asking the server for the groups."
3214 ;; Find all possible killed newsgroups if arg.
3216 (gnus-get-killed-groups))
3217 (if (not gnus-killed-list)
3218 (gnus-message 6 "No killed groups")
3219 (let (gnus-group-list-mode)
3220 (funcall gnus-group-prepare-function
3221 gnus-level-killed t gnus-level-killed))
3222 (goto-char (point-min)))
3223 (gnus-group-position-point))
3225 (defun gnus-group-list-zombies ()
3226 "List all zombie newsgroups in the group buffer."
3228 (if (not gnus-zombie-list)
3229 (gnus-message 6 "No zombie groups")
3230 (let (gnus-group-list-mode)
3231 (funcall gnus-group-prepare-function
3232 gnus-level-zombie t gnus-level-zombie))
3233 (goto-char (point-min)))
3234 (gnus-group-position-point))
3236 (defun gnus-group-list-active ()
3237 "List all groups that are available from the server(s)."
3239 ;; First we make sure that we have really read the active file.
3240 (unless (gnus-read-active-file-p)
3241 (let ((gnus-read-active-file t)
3242 (gnus-agent nil)) ; Trick the agent into ignoring the active file.
3243 (gnus-read-active-file)))
3244 ;; Find all groups and sort them.
3252 (push (symbol-name sym) list)))
3256 (buffer-read-only nil)
3260 (setq group (pop groups))
3261 (gnus-add-text-properties
3262 (point) (prog1 (1+ (point))
3264 (gnus-group-name-decode group
3265 (gnus-group-name-charset
3268 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
3270 'gnus-level (inline (gnus-group-level group)))))
3271 (goto-char (point-min))))
3273 (defun gnus-activate-all-groups (level)
3274 "Activate absolutely all groups."
3275 (interactive (list gnus-level-unsubscribed))
3276 (let ((gnus-activate-level level)
3277 (gnus-activate-foreign-newsgroups level))
3278 (gnus-group-get-new-news)))
3280 (defun gnus-group-get-new-news (&optional arg)
3281 "Get newly arrived articles.
3282 If ARG is a number, it specifies which levels you are interested in
3283 re-scanning. If ARG is non-nil and not a number, this will force
3284 \"hard\" re-reading of the active files from all servers."
3287 (let ((gnus-inhibit-demon t)
3288 ;; Binding this variable will inhibit multiple fetchings
3289 ;; of the same mail source.
3290 (nnmail-fetched-sources (list t)))
3291 (gnus-run-hooks 'gnus-get-new-news-hook)
3293 ;; Read any slave files.
3295 (gnus-master-read-slave-newsrc))
3297 ;; We might read in new NoCeM messages here.
3298 (when (and gnus-use-nocem
3300 (gnus-nocem-scan-groups))
3301 ;; If ARG is not a number, then we read the active file.
3302 (when (and arg (not (numberp arg)))
3303 (let ((gnus-read-active-file t))
3304 (gnus-read-active-file))
3307 ;; If the user wants it, we scan for new groups.
3308 (when (eq gnus-check-new-newsgroups 'always)
3309 (gnus-find-new-newsgroups)))
3311 (setq arg (gnus-group-default-level arg t))
3312 (if (and gnus-read-active-file (not arg))
3314 (gnus-read-active-file)
3315 (gnus-get-unread-articles arg))
3316 (let ((gnus-read-active-file (if arg nil gnus-read-active-file)))
3317 (gnus-get-unread-articles arg)))
3318 (gnus-run-hooks 'gnus-after-getting-new-news-hook)
3319 (gnus-group-list-groups (and (numberp arg)
3320 (max (car gnus-group-list-mode) arg)))))
3322 (defun gnus-group-get-new-news-this-group (&optional n dont-scan)
3323 "Check for newly arrived news in the current group (and the N-1 next groups).
3324 The difference between N and the number of newsgroup checked is returned.
3325 If N is negative, this group and the N-1 previous groups will be checked."
3327 (let* ((groups (gnus-group-process-prefix n))
3328 (ret (if (numberp n) (- n (length groups)) 0))
3332 (gnus-inhibit-demon t)
3333 ;; Binding this variable will inhibit multiple fetchings
3334 ;; of the same mail source.
3335 (nnmail-fetched-sources (list t)))
3336 (gnus-run-hooks 'gnus-get-new-news-hook)
3337 (while (setq group (pop groups))
3338 (gnus-group-remove-mark group)
3339 ;; Bypass any previous denials from the server.
3340 (gnus-remove-denial (setq method (gnus-find-method-for-group group)))
3341 (if (gnus-activate-group group (if dont-scan nil 'scan))
3343 (gnus-get-unread-articles-in-group
3344 (gnus-get-info group) (gnus-active group) t)
3345 (unless (gnus-virtual-group-p group)
3346 (gnus-close-group group))
3348 (gnus-agent-save-group-info
3349 method (gnus-group-real-name group) (gnus-active group)))
3350 (gnus-group-update-group group))
3351 (if (eq (gnus-server-status (gnus-find-method-for-group group))
3353 (gnus-error 3 "Server denied access")
3354 (gnus-error 3 "%s error: %s" group (gnus-status-message group)))))
3357 (when gnus-goto-next-group-when-activating
3358 (gnus-group-next-unread-group 1 t))
3359 (gnus-summary-position-point)
3362 (defun gnus-group-fetch-faq (group &optional faq-dir)
3363 "Fetch the FAQ for the current group.
3364 If given a prefix argument, prompt for the FAQ dir
3368 (gnus-group-group-name)
3369 (when current-prefix-arg
3371 "Faq dir: " (and (listp gnus-group-faq-directory)
3373 gnus-group-faq-directory))))))
3375 (error "No group name given"))
3376 (let ((dirs (or faq-dir gnus-group-faq-directory))
3378 (unless (listp dirs)
3379 (setq dirs (list dirs)))
3380 (while (and (not found)
3381 (setq dir (pop dirs)))
3382 (let ((name (gnus-group-real-name group)))
3383 (setq file (expand-file-name name dir)))
3384 (if (not (file-exists-p file))
3385 (gnus-message 1 "No such file: %s" file)
3386 (let ((enable-local-variables nil))
3390 (defun gnus-group-describe-group (force &optional group)
3391 "Display a description of the current newsgroup."
3392 (interactive (list current-prefix-arg (gnus-group-group-name)))
3393 (let* ((method (gnus-find-method-for-group group))
3394 (mname (gnus-group-prefixed-name "" method))
3397 gnus-description-hashtb)
3398 (gnus-sethash mname nil gnus-description-hashtb))
3400 (error "No group name given"))
3401 (when (or (and gnus-description-hashtb
3402 ;; We check whether this group's method has been
3403 ;; queried for a description file.
3404 (gnus-gethash mname gnus-description-hashtb))
3405 (setq desc (gnus-group-get-description group))
3406 (gnus-read-descriptions-file method))
3408 (or desc (gnus-gethash group gnus-description-hashtb)
3409 "No description available")))))
3411 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
3412 (defun gnus-group-describe-all-groups (&optional force)
3413 "Pop up a buffer with descriptions of all newsgroups."
3416 (setq gnus-description-hashtb nil))
3417 (when (not (or gnus-description-hashtb
3418 (gnus-read-all-descriptions-files)))
3419 (error "Couldn't request descriptions file"))
3420 (let ((buffer-read-only nil)
3426 (let ((charset (gnus-group-name-charset nil (symbol-name group))))
3427 (insert (format " *: %-20s %s\n"
3428 (gnus-group-name-decode
3429 (symbol-name group) charset)
3430 (gnus-group-name-decode
3431 (symbol-value group) charset))))
3432 (gnus-add-text-properties
3433 b (1+ b) (list 'gnus-group group
3434 'gnus-unread t 'gnus-marked nil
3435 'gnus-level (1+ gnus-level-subscribed))))
3436 gnus-description-hashtb)
3437 (goto-char (point-min))
3438 (gnus-group-position-point)))
3440 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
3441 (defun gnus-group-apropos (regexp &optional search-description)
3442 "List all newsgroups that have names that match a regexp."
3443 (interactive "sGnus apropos (regexp): ")
3445 (obuf (current-buffer))
3447 ;; Go through all newsgroups that are known to Gnus.
3450 (and (symbol-name group)
3451 (string-match regexp (symbol-name group))
3452 (symbol-value group)
3453 (push (symbol-name group) groups)))
3455 ;; Also go through all descriptions that are known to Gnus.
3456 (when search-description
3459 (and (string-match regexp (symbol-value group))
3460 (push (symbol-name group) groups)))
3461 gnus-description-hashtb))
3463 (gnus-message 3 "No groups matched \"%s\"." regexp)
3464 ;; Print out all the groups.
3466 (pop-to-buffer "*Gnus Help*")
3467 (buffer-disable-undo)
3469 (setq groups (sort groups 'string<))
3471 ;; Groups may be entered twice into the list of groups.
3472 (when (not (string= (car groups) prev))
3473 (setq prev (car groups))
3474 (let ((charset (gnus-group-name-charset nil prev)))
3475 (insert (gnus-group-name-decode prev charset) "\n")
3476 (when (and gnus-description-hashtb
3477 (setq des (gnus-gethash (car groups)
3478 gnus-description-hashtb)))
3479 (insert " " (gnus-group-name-decode des charset) "\n"))))
3480 (setq groups (cdr groups)))
3481 (goto-char (point-min))))
3482 (pop-to-buffer obuf)))
3484 (defun gnus-group-description-apropos (regexp)
3485 "List all newsgroups that have names or descriptions that match a regexp."
3486 (interactive "sGnus description apropos (regexp): ")
3487 (when (not (or gnus-description-hashtb
3488 (gnus-read-all-descriptions-files)))
3489 (error "Couldn't request descriptions file"))
3490 (gnus-group-apropos regexp t))
3492 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
3493 (defun gnus-group-list-matching (level regexp &optional all lowest)
3494 "List all groups with unread articles that match REGEXP.
3495 If the prefix LEVEL is non-nil, it should be a number that says which
3496 level to cut off listing groups.
3497 If ALL, also list groups with no unread articles.
3498 If LOWEST, don't list groups with level lower than LOWEST.
3500 This command may read the active file."
3501 (interactive "P\nsList newsgroups matching: ")
3502 ;; First make sure active file has been read.
3504 (> (prefix-numeric-value level) gnus-level-killed))
3505 (gnus-get-killed-groups))
3506 (funcall gnus-group-prepare-function
3507 (or level gnus-level-subscribed) (and all t) (or lowest 1) regexp)
3508 (goto-char (point-min))
3509 (gnus-group-position-point))
3511 (defun gnus-group-list-all-matching (level regexp &optional lowest)
3512 "List all groups that match REGEXP.
3513 If the prefix LEVEL is non-nil, it should be a number that says which
3514 level to cut off listing groups.
3515 If LOWEST, don't list groups with level lower than LOWEST."
3516 (interactive "P\nsList newsgroups matching: ")
3518 (setq level (prefix-numeric-value level)))
3519 (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest))
3521 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
3522 (defun gnus-group-save-newsrc (&optional force)
3523 "Save the Gnus startup files.
3524 If FORCE, force saving whether it is necessary or not."
3526 (gnus-save-newsrc-file force))
3528 (defun gnus-group-restart (&optional arg)
3529 "Force Gnus to read the .newsrc file."
3531 (when (gnus-yes-or-no-p
3532 (format "Are you sure you want to restart Gnus? "))
3533 (gnus-save-newsrc-file)
3537 (defun gnus-group-read-init-file ()
3538 "Read the Gnus elisp init file."
3540 (gnus-read-init-file)
3541 (gnus-message 5 "Read %s" gnus-init-file))
3543 (defun gnus-group-check-bogus-groups (&optional silent)
3544 "Check bogus newsgroups.
3545 If given a prefix, don't ask for confirmation before removing a bogus
3548 (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user)))
3549 (gnus-group-list-groups))
3551 (defun gnus-group-find-new-groups (&optional arg)
3552 "Search for new groups and add them.
3553 Each new group will be treated with `gnus-subscribe-newsgroup-method.'
3554 With 1 C-u, use the `ask-server' method to query the server for new
3556 With 2 C-u's, use most complete method possible to query the server
3557 for new groups, and subscribe the new groups as zombies."
3559 (gnus-find-new-newsgroups (or arg 1))
3560 (gnus-group-list-groups))
3562 (defun gnus-group-edit-global-kill (&optional article group)
3563 "Edit the global kill file.
3564 If GROUP, edit that local kill file instead."
3566 (setq gnus-current-kill-article article)
3567 (gnus-kill-file-edit-file group)
3570 (substitute-command-keys
3571 (format "Editing a %s kill file (Type \\[gnus-kill-file-exit] to exit)"
3572 (if group "local" "global")))))
3574 (defun gnus-group-edit-local-kill (article group)
3575 "Edit a local kill file."
3576 (interactive (list nil (gnus-group-group-name)))
3577 (gnus-group-edit-global-kill article group))
3579 (defun gnus-group-force-update ()
3580 "Update `.newsrc' file."
3582 (gnus-save-newsrc-file))
3584 (defun gnus-group-suspend ()
3585 "Suspend the current Gnus session.
3586 In fact, cleanup buffers except for group mode buffer.
3587 The hook gnus-suspend-gnus-hook is called before actually suspending."
3589 (gnus-run-hooks 'gnus-suspend-gnus-hook)
3590 ;; Kill Gnus buffers except for group mode buffer.
3591 (let ((group-buf (get-buffer gnus-group-buffer)))
3592 (mapcar (lambda (buf)
3593 (unless (member buf (list group-buf gnus-dribble-buffer))
3596 (gnus-kill-gnus-frames)
3598 (bury-buffer group-buf)
3599 (delete-windows-on group-buf t))))
3601 (defun gnus-group-clear-dribble ()
3602 "Clear all information from the dribble buffer."
3604 (gnus-dribble-clear)
3605 (gnus-message 7 "Cleared dribble buffer"))
3607 (defun gnus-group-exit ()
3608 "Quit reading news after updating .newsrc.eld and .newsrc.
3609 The hook `gnus-exit-gnus-hook' is called before actually exiting."
3612 (or noninteractive ;For gnus-batch-kill
3613 (not gnus-interactive-exit) ;Without confirmation
3615 (gnus-y-or-n-p "Are you sure you want to quit reading news? "))
3616 (gnus-run-hooks 'gnus-exit-gnus-hook)
3617 ;; Offer to save data from non-quitted summary buffers.
3618 (gnus-offer-save-summaries)
3619 ;; Save the newsrc file(s).
3620 (gnus-save-newsrc-file)
3622 (gnus-close-backends)
3623 ;; Reset everything.
3625 ;; Allow the user to do things after cleaning up.
3626 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
3628 (defun gnus-group-quit ()
3629 "Quit reading news without updating .newsrc.eld or .newsrc.
3630 The hook `gnus-exit-gnus-hook' is called before actually exiting."
3632 (when (or noninteractive ;For gnus-batch-kill
3633 (zerop (buffer-size))
3634 (not (gnus-server-opened gnus-select-method))
3636 (not gnus-current-startup-file)
3638 (format "Quit reading news without saving %s? "
3639 (file-name-nondirectory gnus-current-startup-file))))
3640 (gnus-run-hooks 'gnus-exit-gnus-hook)
3641 (gnus-configure-windows 'group t)
3643 (gnus-close-backends)
3645 (gnus-kill-buffer gnus-group-buffer)
3646 ;; Allow the user to do things after cleaning up.
3647 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
3649 (defun gnus-group-describe-briefly ()
3650 "Give a one line description of the group mode commands."
3652 (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")))
3654 (defun gnus-group-browse-foreign-server (method)
3655 "Browse a foreign news server.
3656 If called interactively, this function will ask for a select method
3657 (nntp, nnspool, etc.) and a server address (eg. nntp.some.where).
3658 If not, METHOD should be a list where the first element is the method
3659 and the second element is the address."
3661 (list (let ((how (completing-read
3663 (append gnus-valid-select-methods gnus-server-alist)
3664 nil t (cons "nntp" 0) 'gnus-method-history)))
3665 ;; We either got a backend name or a virtual server name.
3666 ;; If the first, we also need an address.
3667 (if (assoc how gnus-valid-select-methods)
3669 ;; Suggested by mapjph@bath.ac.uk.
3672 (mapcar (lambda (server) (list server))
3673 gnus-secondary-servers)))
3674 ;; We got a server name.
3676 (gnus-browse-foreign-server method))
3678 (defun gnus-group-set-info (info &optional method-only-group part)
3679 (when (or info part)
3680 (let* ((entry (gnus-gethash
3681 (or method-only-group (gnus-info-group info))
3682 gnus-newsrc-hashtb))
3684 (info (if method-only-group (nth 2 entry) info))
3686 (when method-only-group
3688 (error "Trying to change non-existent group %s" method-only-group))
3689 ;; We have received parts of the actual group info - either the
3690 ;; select method or the group parameters. We first check
3691 ;; whether we have to extend the info, and if so, do that.
3692 (let ((len (length info))
3693 (total (if (eq part 'method) 5 6)))
3695 (setcdr (nthcdr (1- len) info)
3696 (make-list (- total len) nil)))
3697 ;; Then we enter the new info.
3698 (setcar (nthcdr (1- total) info) part-info)))
3700 ;; This is a new group, so we just create it.
3702 (set-buffer gnus-group-buffer)
3703 (setq method (gnus-info-method info))
3704 (when (gnus-server-equal method "native")
3707 (set-buffer gnus-group-buffer)
3709 ;; It's a foreign group...
3710 (gnus-group-make-group
3711 (gnus-group-real-name (gnus-info-group info))
3712 (if (stringp method) method
3713 (prin1-to-string (car method)))
3715 (nth 1 (gnus-info-method info))))
3716 ;; It's a native group.
3717 (gnus-group-make-group (gnus-info-group info))))
3718 (gnus-message 6 "Note: New group created")
3720 (gnus-gethash (gnus-group-prefixed-name
3721 (gnus-group-real-name (gnus-info-group info))
3722 (or (gnus-info-method info) gnus-select-method))
3723 gnus-newsrc-hashtb))))
3724 ;; Whether it was a new group or not, we now have the entry, so we
3725 ;; can do the update.
3728 (setcar (nthcdr 2 entry) info)
3729 (when (and (not (eq (car entry) t))
3730 (gnus-active (gnus-info-group info)))
3731 (setcar entry (length (gnus-list-of-unread-articles (car info))))))
3732 (error "No such group: %s" (gnus-info-group info))))))
3734 (defun gnus-group-set-method-info (group select-method)
3735 (gnus-group-set-info select-method group 'method))
3737 (defun gnus-group-set-params-info (group params)
3738 (gnus-group-set-info params group 'params))
3740 (defun gnus-add-marked-articles (group type articles &optional info force)
3741 ;; Add ARTICLES of TYPE to the info of GROUP.
3742 ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't
3743 ;; add, but replace marked articles of TYPE with ARTICLES.
3744 (let ((info (or info (gnus-get-info group)))
3747 (and (not (setq marked (nthcdr 3 info)))
3749 (setcdr (nthcdr 2 info)
3750 (list (list (cons type (gnus-compress-sequence
3752 (and (not (setq m (assq type (car marked))))
3755 (cons (cons type (gnus-compress-sequence articles t) )
3759 (setcar (nthcdr 3 info)
3760 (gnus-delete-alist type (car marked)))
3761 (setcdr m (gnus-compress-sequence articles t)))
3762 (setcdr m (gnus-compress-sequence
3763 (sort (nconc (gnus-uncompress-range (cdr m))
3764 (copy-sequence articles)) '<) t))))))
3767 ;;; Group timestamps
3770 (defun gnus-group-set-timestamp ()
3771 "Change the timestamp of the current group to the current time.
3772 This function can be used in hooks like `gnus-select-group-hook'
3773 or `gnus-group-catchup-group-hook'."
3774 (when gnus-newsgroup-name
3775 (let ((time (current-time)))
3776 (setcdr (cdr time) nil)
3777 (gnus-group-set-parameter gnus-newsgroup-name 'timestamp time))))
3779 (defsubst gnus-group-timestamp (group)
3780 "Return the timestamp for GROUP."
3781 (gnus-group-get-parameter group 'timestamp t))
3783 (defun gnus-group-timestamp-delta (group)
3784 "Return the offset in seconds from the timestamp for GROUP to the current time, as a floating point number."
3785 (let* ((time (or (gnus-group-timestamp group)
3787 (delta (subtract-time (current-time) time)))
3788 (+ (* (nth 0 delta) 65536.0)
3791 (defun gnus-group-timestamp-string (group)
3792 "Return a string of the timestamp for GROUP."
3793 (let ((time (gnus-group-timestamp group)))
3796 (gnus-time-iso8601 time))))
3798 (defun gnus-group-list-cached (level &optional lowest)
3799 "List all groups with cached articles.
3800 If the prefix LEVEL is non-nil, it should be a number that says which
3801 level to cut off listing groups.
3802 If LOWEST, don't list groups with level lower than LOWEST.
3804 This command may read the active file."
3807 (setq level (prefix-numeric-value level)))
3808 (when (or (not level) (>= level gnus-level-zombie))
3810 (funcall gnus-group-prepare-function
3811 (or level gnus-level-subscribed)
3813 (let ((marks (gnus-info-marks info)))
3814 (assq 'cache marks)))
3817 (or (gnus-gethash group
3818 gnus-cache-active-hashtb)
3819 ;; Cache active file might use "."
3822 (mapconcat 'identity
3823 (split-string group ":")
3825 gnus-cache-active-hashtb))))
3826 (goto-char (point-min))
3827 (gnus-group-position-point))
3829 (defun gnus-group-list-dormant (level &optional lowest)
3830 "List all groups with dormant articles.
3831 If the prefix LEVEL is non-nil, it should be a number that says which
3832 level to cut off listing groups.
3833 If LOWEST, don't list groups with level lower than LOWEST.
3835 This command may read the active file."
3838 (setq level (prefix-numeric-value level)))
3839 (when (or (not level) (>= level gnus-level-zombie))
3841 (funcall gnus-group-prepare-function
3842 (or level gnus-level-subscribed)
3844 (let ((marks (gnus-info-marks info)))
3845 (assq 'dormant marks)))
3848 (goto-char (point-min))
3849 (gnus-group-position-point))
3851 (defun gnus-group-listed-groups ()
3852 "Return a list of listed groups."
3854 (goto-char (point-min))
3855 (while (setq point (text-property-not-all (point) (point-max)
3858 (push (symbol-name (get-text-property point 'gnus-group)) groups)
3862 (defun gnus-group-list-plus (&optional args)
3863 "List groups plus the current selection."
3865 (let ((gnus-group-listed-groups (gnus-group-listed-groups))
3866 (gnus-group-list-mode gnus-group-list-mode) ;; Save it.
3868 (push last-command-event unread-command-events)
3869 (if (featurep 'xemacs)
3870 (push (make-event 'key-press '(key ?A)) unread-command-events)
3871 (push ?A unread-command-events))
3872 (let (gnus-pick-mode keys)
3873 (setq keys (if (featurep 'xemacs)
3874 (events-to-keys (read-key-sequence nil))
3875 (read-key-sequence nil)))
3876 (setq func (lookup-key (current-local-map) keys)))
3880 (call-interactively func))))
3882 (defun gnus-group-list-flush (&optional args)
3883 "Flush groups from the current selection."
3885 (let ((gnus-group-list-option 'flush))
3886 (gnus-group-list-plus args)))
3888 (defun gnus-group-list-limit (&optional args)
3889 "List groups limited within the current selection."
3891 (let ((gnus-group-list-option 'limit))
3892 (gnus-group-list-plus args)))
3894 (provide 'gnus-group)
3896 ;;; gnus-group.el ends here