1 ;;; gnus-salt.el --- alternate summary mode interfaces for Gnus
2 ;; Copyright (C) 1996 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
6 ;; This file is part of GNU Emacs.
8 ;; GNU Emacs is free software; you can redistribute it and/or modify
9 ;; it under the terms of the GNU General Public License as published by
10 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; GNU Emacs is distributed in the hope that it will be useful,
14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ;; GNU General Public License for more details.
18 ;; You should have received a copy of the GNU General Public License
19 ;; along with GNU Emacs; see the file COPYING. If not, write to the
20 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 ;; Boston, MA 02111-1307, USA.
34 (defvar gnus-pick-mode nil
35 "Minor mode for providing a pick-and-read interface in Gnus summary buffers.")
37 (defvar gnus-pick-display-summary nil
38 "*Display summary while reading.")
40 (defvar gnus-pick-mode-hook nil
41 "Hook run in summary pick mode buffers.")
43 (defvar gnus-mark-unpicked-articles-as-read nil
44 "*If non-nil, mark all unpicked articles as read.")
46 (defvar gnus-summary-pick-line-format
47 "%-5P %U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n"
48 "*The format specification of the lines in pick buffers.
49 It accepts the same format specs that `gnus-summary-line-format' does.")
51 ;;; Internal variables.
53 (defvar gnus-pick-mode-map nil)
55 (unless gnus-pick-mode-map
56 (setq gnus-pick-mode-map (make-sparse-keymap))
60 "t" gnus-uu-mark-thread
61 "T" gnus-uu-unmark-thread
62 " " gnus-pick-next-page
63 "u" gnus-summary-unmark-as-processable
64 "U" gnus-summary-unmark-all-processable
66 "r" gnus-uu-mark-region
67 "R" gnus-uu-unmark-region
68 "e" gnus-uu-mark-by-regexp
69 "E" gnus-uu-mark-by-regexp
70 "b" gnus-uu-mark-buffer
71 "B" gnus-uu-unmark-buffer
73 gnus-mouse-2 gnus-pick-mouse-pick
74 "\r" gnus-pick-start-reading))
76 (defun gnus-pick-make-menu-bar ()
77 (unless (boundp 'gnus-pick-menu)
79 gnus-pick-menu gnus-pick-mode-map ""
82 ["Article" gnus-summary-mark-as-processable t]
83 ["Thread" gnus-uu-mark-thread t]
84 ["Region" gnus-uu-mark-region t]
85 ["Regexp" gnus-uu-mark-regexp t]
86 ["Buffer" gnus-uu-mark-buffer t])
88 ["Article" gnus-summary-unmark-as-processable t]
89 ["Thread" gnus-uu-unmark-thread t]
90 ["Region" gnus-uu-unmark-region t]
91 ["Regexp" gnus-uu-unmark-regexp t]
92 ["Buffer" gnus-uu-unmark-buffer t])
93 ["Start reading" gnus-pick-start-reading t]
94 ["Switch pick mode off" gnus-pick-mode gnus-pick-mode]))))
96 (defun gnus-pick-mode (&optional arg)
97 "Minor mode for providing a pick-and-read interface in Gnus summary buffers.
99 \\{gnus-pick-mode-map}"
101 (when (eq major-mode 'gnus-summary-mode)
102 (when (set (make-local-variable 'gnus-pick-mode)
103 (if (null arg) (not gnus-pick-mode)
104 (> (prefix-numeric-value arg) 0)))
105 ;; Make sure that we don't select any articles upon group entry.
106 (set (make-local-variable 'gnus-auto-select-first) nil)
107 ;; Change line format.
108 (setq gnus-summary-line-format gnus-summary-pick-line-format)
109 (setq gnus-summary-line-format-spec nil)
110 (gnus-update-format-specifications nil 'summary)
111 (gnus-update-summary-mark-positions)
113 (when (and menu-bar-mode
114 (gnus-visual-p 'pick-menu 'menu))
115 (gnus-pick-make-menu-bar))
116 (unless (assq 'gnus-pick-mode minor-mode-alist)
117 (push '(gnus-pick-mode " Pick") minor-mode-alist))
118 (unless (assq 'gnus-pick-mode minor-mode-map-alist)
119 (push (cons 'gnus-pick-mode gnus-pick-mode-map)
120 minor-mode-map-alist))
121 (run-hooks 'gnus-pick-mode-hook))))
123 (defvar gnus-pick-line-number 1)
124 (defun gnus-pick-line-number ()
125 "Return the current line number."
127 (setq gnus-pick-line-number 1)
128 (incf gnus-pick-line-number)))
130 (defun gnus-pick-start-reading (&optional catch-up)
131 "Start reading the picked articles.
132 If given a prefix, mark all unpicked articles as read."
134 (unless gnus-newsgroup-processable
135 (error "No articles have been picked"))
136 (gnus-summary-limit-to-articles nil)
137 (when (or catch-up gnus-mark-unpicked-articles-as-read)
138 (gnus-summary-limit-mark-excluded-as-read))
139 (gnus-summary-first-unread-article)
140 (gnus-configure-windows (if gnus-pick-display-summary 'article 'pick) t))
142 (defun gnus-pick-article (&optional arg)
143 "Pick the article on the current line.
144 If ARG, pick the article on that line instead."
149 (goto-char (point-min))
150 (when (zerop (forward-line (1- (prefix-numeric-value arg))))
153 (gnus-error 2 "No such line: %s" arg)
155 (gnus-summary-mark-as-processable 1))
157 (defun gnus-pick-mouse-pick (e)
161 (gnus-summary-mark-as-processable 1)))
163 (defun gnus-pick-next-page ()
164 "Go to the next page. If at the end of the buffer, start reading articles."
168 (gnus-pick-start-reading)))
174 (defvar gnus-binary-mode nil
175 "Minor mode for provind a binary group interface in Gnus summary buffers.")
177 (defvar gnus-binary-mode-hook nil
178 "Hook run in summary binary mode buffers.")
180 (defvar gnus-binary-mode-map nil)
182 (unless gnus-binary-mode-map
183 (setq gnus-binary-mode-map (make-sparse-keymap))
187 "g" gnus-binary-show-article))
189 (defun gnus-binary-make-menu-bar ()
190 (unless (boundp 'gnus-binary-menu)
192 gnus-binary-menu gnus-binary-mode-map ""
194 ["Switch binary mode off" gnus-binary-mode t]))))
196 (defun gnus-binary-mode (&optional arg)
197 "Minor mode for providing a binary group interface in Gnus summary buffers."
199 (when (eq major-mode 'gnus-summary-mode)
200 (make-local-variable 'gnus-binary-mode)
201 (setq gnus-binary-mode
202 (if (null arg) (not gnus-binary-mode)
203 (> (prefix-numeric-value arg) 0)))
204 (when gnus-binary-mode
205 ;; Make sure that we don't select any articles upon group entry.
206 (make-local-variable 'gnus-auto-select-first)
207 (setq gnus-auto-select-first nil)
208 (make-local-variable 'gnus-summary-display-article-function)
209 (setq gnus-summary-display-article-function 'gnus-binary-display-article)
211 (when (and menu-bar-mode
212 (gnus-visual-p 'binary-menu 'menu))
213 (gnus-binary-make-menu-bar))
214 (unless (assq 'gnus-binary-mode minor-mode-alist)
215 (push '(gnus-binary-mode " Binary") minor-mode-alist))
216 (unless (assq 'gnus-binary-mode minor-mode-map-alist)
217 (push (cons 'gnus-binary-mode gnus-binary-mode-map)
218 minor-mode-map-alist))
219 (run-hooks 'gnus-binary-mode-hook))))
221 (defun gnus-binary-display-article (article &optional all-header)
222 "Run ARTICLE through the binary decode functions."
223 (when (gnus-summary-goto-subject article)
224 (let ((gnus-view-pseudos 'automatic))
225 (gnus-uu-decode-uu))))
227 (defun gnus-binary-show-article (&optional arg)
228 "Bypass the binary functions and show the article."
230 (let (gnus-summary-display-article-function)
231 (gnus-summary-show-article arg)))
237 (defvar gnus-tree-line-format "%(%[%3,3n%]%)"
238 "Format of tree elements.")
240 (defvar gnus-tree-minimize-window t
241 "If non-nil, minimize the tree buffer window.
242 If a number, never let the tree buffer grow taller than that number of
245 (defvar gnus-selected-tree-face 'modeline
246 "*Face used for highlighting selected articles in the thread tree.")
248 (defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\))
249 (?\{ . ?\}) (?< . ?>))
250 "Brackets used in tree nodes.")
252 (defvar gnus-tree-parent-child-edges '(?- ?\\ ?|)
253 "Charaters used to connect parents with children.")
255 (defvar gnus-tree-mode-line-format "Gnus: %%b %S %Z"
256 "*The format specification for the tree mode line.")
258 (defvar gnus-generate-tree-function 'gnus-generate-vertical-tree
259 "*Function for generating a thread tree.
260 Two predefined functions are available:
261 `gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'.")
263 (defvar gnus-tree-mode-hook nil
264 "*Hook run in tree mode buffers.")
266 ;;; Internal variables.
268 (defvar gnus-tree-line-format-alist
269 `((?n gnus-tmp-name ?s)
270 (?f gnus-tmp-from ?s)
271 (?N gnus-tmp-number ?d)
272 (?\[ gnus-tmp-open-bracket ?c)
273 (?\] gnus-tmp-close-bracket ?c)
274 (?s gnus-tmp-subject ?s)))
276 (defvar gnus-tree-mode-line-format-alist gnus-summary-mode-line-format-alist)
278 (defvar gnus-tree-mode-line-format-spec nil)
279 (defvar gnus-tree-line-format-spec nil)
281 (defvar gnus-tree-node-length nil)
282 (defvar gnus-selected-tree-overlay nil)
284 (defvar gnus-tree-displayed-thread nil)
286 (defvar gnus-tree-mode-map nil)
287 (put 'gnus-tree-mode 'mode-class 'special)
289 (unless gnus-tree-mode-map
290 (setq gnus-tree-mode-map (make-keymap))
291 (suppress-keymap gnus-tree-mode-map)
294 "\r" gnus-tree-select-article
295 gnus-mouse-2 gnus-tree-pick-article
296 "\C-?" gnus-tree-read-summary-keys
298 "\C-c\C-i" gnus-info-find-node)
300 (substitute-key-definition
301 'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map))
303 (defun gnus-tree-make-menu-bar ()
304 (unless (boundp 'gnus-tree-menu)
306 gnus-tree-menu gnus-tree-mode-map ""
308 ["Select article" gnus-tree-select-article t]))))
310 (defun gnus-tree-mode ()
311 "Major mode for displaying thread trees."
313 (setq gnus-tree-mode-line-format-spec
314 (gnus-parse-format gnus-tree-mode-line-format
315 gnus-summary-mode-line-format-alist))
316 (setq gnus-tree-line-format-spec
317 (gnus-parse-format gnus-tree-line-format
318 gnus-tree-line-format-alist t))
319 (when (and menu-bar-mode
320 (gnus-visual-p 'tree-menu 'menu))
321 (gnus-tree-make-menu-bar))
322 (kill-all-local-variables)
323 (gnus-simplify-mode-line)
324 (setq mode-name "Tree")
325 (setq major-mode 'gnus-tree-mode)
326 (use-local-map gnus-tree-mode-map)
327 (buffer-disable-undo (current-buffer))
328 (setq buffer-read-only t)
329 (setq truncate-lines t)
331 (gnus-set-work-buffer)
332 (gnus-tree-node-insert (make-mail-header "") nil)
333 (setq gnus-tree-node-length (1- (point))))
334 (run-hooks 'gnus-tree-mode-hook))
336 (defun gnus-tree-read-summary-keys (&optional arg)
337 "Read a summary buffer key sequence and execute it."
339 (let ((buf (current-buffer))
341 (gnus-article-read-summary-keys arg nil t)
342 (when (setq win (get-buffer-window buf))
344 (when gnus-selected-tree-overlay
345 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
346 (gnus-tree-minimize))))
348 (defun gnus-tree-select-article (article)
349 "Select the article under point, if any."
350 (interactive (list (gnus-tree-article-number)))
351 (let ((buf (current-buffer)))
354 (set-buffer gnus-summary-buffer)
355 (gnus-summary-goto-article article))
356 (select-window (get-buffer-window buf)))))
358 (defun gnus-tree-pick-article (e)
359 "Select the article under the mouse pointer."
362 (gnus-tree-select-article (gnus-tree-article-number)))
364 (defun gnus-tree-article-number ()
365 (get-text-property (point) 'gnus-number))
367 (defun gnus-tree-article-region (article)
368 "Return a cons with BEG and END of the article region."
369 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
371 (cons pos (next-single-property-change pos 'gnus-number)))))
373 (defun gnus-tree-goto-article (article)
374 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
378 (defun gnus-tree-recenter ()
379 "Center point in the tree window."
380 (let ((selected (selected-window))
381 (tree-window (get-buffer-window gnus-tree-buffer t)))
383 (select-window tree-window)
384 (when gnus-selected-tree-overlay
385 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
386 (let* ((top (cond ((< (window-height) 4) 0)
387 ((< (window-height) 7) 1)
389 (height (1- (window-height)))
390 (bottom (save-excursion (goto-char (point-max))
391 (forward-line (- height))
393 ;; Set the window start to either `bottom', which is the biggest
394 ;; possible valid number, or the second line from the top,
395 ;; whichever is the least.
397 tree-window (min bottom (save-excursion
398 (forward-line (- top)) (point)))))
399 (select-window selected))))
401 (defun gnus-get-tree-buffer ()
402 "Return the tree buffer properly initialized."
404 (set-buffer (get-buffer-create gnus-tree-buffer))
405 (unless (eq major-mode 'gnus-tree-mode)
406 (gnus-add-current-to-buffer-list)
410 (defun gnus-tree-minimize ()
411 (when (and gnus-tree-minimize-window
412 (not (one-window-p)))
415 (walk-windows (lambda (window) (incf windows)))
418 (* window-min-height (1- windows))
420 (let* ((window-min-height 2)
421 (height (count-lines (point-min) (point-max)))
422 (min (max (1- window-min-height) height))
423 (tot (if (numberp gnus-tree-minimize-window)
424 (min gnus-tree-minimize-window min)
426 (win (get-buffer-window (current-buffer)))
427 (wh (and win (1- (window-height win)))))
428 (setq tot (min tot tot-win-height))
431 (let ((selected (selected-window)))
433 (enlarge-window (- tot wh))
434 (select-window selected)))))))
436 ;;; Generating the tree.
438 (defun gnus-tree-node-insert (header sparse &optional adopted)
439 (let* ((dummy (stringp header))
440 (header (if (vectorp header) header
442 (setq header (make-mail-header "*****"))
443 (mail-header-set-number header 0)
444 (mail-header-set-lines header 0)
445 (mail-header-set-chars header 0)
447 (gnus-tmp-from (mail-header-from header))
448 (gnus-tmp-subject (mail-header-subject header))
449 (gnus-tmp-number (mail-header-number header))
452 ((string-match "(.+)" gnus-tmp-from)
453 (substring gnus-tmp-from
454 (1+ (match-beginning 0)) (1- (match-end 0))))
455 ((string-match "<[^>]+> *$" gnus-tmp-from)
456 (let ((beg (match-beginning 0)))
457 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
458 (substring gnus-tmp-from (1+ (match-beginning 0))
460 (substring gnus-tmp-from 0 beg))))
461 ((memq gnus-tmp-number sparse)
464 (gnus-tmp-open-bracket
465 (cond ((memq gnus-tmp-number sparse)
466 (caadr gnus-tree-brackets))
467 (dummy (caaddr gnus-tree-brackets))
468 (adopted (car (nth 3 gnus-tree-brackets)))
469 (t (caar gnus-tree-brackets))))
470 (gnus-tmp-close-bracket
471 (cond ((memq gnus-tmp-number sparse)
472 (cdadr gnus-tree-brackets))
473 (adopted (cdr (nth 3 gnus-tree-brackets)))
475 (cdaddr gnus-tree-brackets))
476 (t (cdar gnus-tree-brackets))))
477 (buffer-read-only nil)
479 (gnus-add-text-properties
481 (setq end (progn (eval gnus-tree-line-format-spec) (point)))
482 (list 'gnus-number gnus-tmp-number))
483 (when (or t (gnus-visual-p 'tree-highlight 'highlight))
484 (gnus-tree-highlight-node gnus-tmp-number beg end))))
486 (defun gnus-tree-highlight-node (article beg end)
487 "Highlight current line according to `gnus-summary-highlight'."
488 (let ((list gnus-summary-highlight)
491 (set-buffer gnus-summary-buffer)
492 (let* ((score (or (cdr (assq article gnus-newsgroup-scored))
493 gnus-summary-default-score 0))
494 (default gnus-summary-default-score)
495 (mark (or (gnus-summary-article-mark article) gnus-unread-mark)))
496 ;; Eval the cars of the lists until we find a match.
498 (not (eval (caar list))))
499 (setq list (cdr list)))))
500 (unless (eq (setq face (cdar list)) (get-text-property beg 'face))
501 (gnus-put-text-property
503 (if (boundp face) (symbol-value face) face)))))
505 (defun gnus-tree-indent (level)
506 (insert (make-string (1- (* (1+ gnus-tree-node-length) level)) ? )))
508 (defvar gnus-tmp-limit)
509 (defvar gnus-tmp-sparse)
510 (defvar gnus-tmp-indent)
512 (defun gnus-generate-tree (thread)
513 "Generate a thread tree for THREAD."
515 (set-buffer (gnus-get-tree-buffer))
516 (let ((buffer-read-only nil)
519 (funcall gnus-generate-tree-function thread 0)
520 (gnus-set-mode-line 'tree)
521 (goto-char (point-min))
524 (let ((selected (selected-window)))
525 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
526 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
527 (gnus-horizontal-recenter)
528 (select-window selected))))))
530 (defun gnus-generate-horizontal-tree (thread level &optional dummyp adopted)
531 "Generate a horizontal tree."
532 (let* ((dummy (stringp (car thread)))
534 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
537 ;; We don't want this article.
538 (setq thread (cdr thread))
540 ;; Not the first article on the line, so we insert a "-".
541 (insert (car gnus-tree-parent-child-edges))
542 ;; If the level isn't zero, then we insert some indentation.
543 (unless (zerop level)
544 (gnus-tree-indent level)
545 (insert (cadr gnus-tree-parent-child-edges))
546 (setq col (- (setq beg (point)) (gnus-point-at-bol) 1))
547 ;; Draw "|" lines upwards.
551 (= (following-char) ? ))
553 (insert (caddr gnus-tree-parent-child-edges)))
556 ;; Insert the article node.
557 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted))
559 ;; End of the thread, so we go to the next line.
562 ;; Recurse downwards in all children of this article.
564 (gnus-generate-horizontal-tree
565 (pop thread) (if do (1+ level) level)
566 (or dummyp dummy) dummy)))))
568 (defsubst gnus-tree-indent-vertical ()
569 (let ((len (- (* (1+ gnus-tree-node-length) gnus-tmp-indent)
570 (- (point) (gnus-point-at-bol)))))
572 (insert (make-string len ? )))))
574 (defsubst gnus-tree-forward-line (n)
575 (while (>= (decf n) 0)
576 (unless (zerop (forward-line 1))
581 (defun gnus-generate-vertical-tree (thread level &optional dummyp adopted)
582 "Generate a vertical tree."
583 (let* ((dummy (stringp (car thread)))
585 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
588 ;; We don't want this article.
589 (setq thread (cdr thread))
590 (if (not (save-excursion (beginning-of-line) (bobp)))
591 ;; Not the first article on the line, so we insert a "-".
593 (gnus-tree-indent-vertical)
594 (insert (make-string (/ gnus-tree-node-length 2) ? ))
595 (insert (caddr gnus-tree-parent-child-edges))
596 (gnus-tree-forward-line 1))
597 ;; If the level isn't zero, then we insert some indentation.
598 (unless (zerop gnus-tmp-indent)
599 (gnus-tree-forward-line (1- (* 2 level)))
600 (gnus-tree-indent-vertical)
602 (insert (cadr gnus-tree-parent-child-edges))
604 ;; Draw "-" lines leftwards.
607 (= (following-char) ? ))
609 (insert (car gnus-tree-parent-child-edges)))
611 (gnus-tree-forward-line 1)))
613 ;; Insert the article node.
614 (gnus-tree-indent-vertical)
615 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted)
616 (gnus-tree-forward-line 1))
618 ;; End of the thread, so we go to the next line.
620 (goto-char (point-min))
622 (incf gnus-tmp-indent))
623 ;; Recurse downwards in all children of this article.
625 (gnus-generate-vertical-tree
626 (pop thread) (if do (1+ level) level)
627 (or dummyp dummy) dummy)))))
629 ;;; Interface functions.
631 (defun gnus-possibly-generate-tree (article &optional force)
632 "Generate the thread tree for ARTICLE if it isn't displayed already."
633 (when (save-excursion
634 (set-buffer gnus-summary-buffer)
637 (vectorp (gnus-summary-article-header article))))
639 (let ((top (save-excursion
640 (set-buffer gnus-summary-buffer)
644 (gnus-summary-article-header article)) t))))
645 (gnus-tmp-limit gnus-newsgroup-limit)
646 (gnus-tmp-sparse gnus-newsgroup-sparse))
648 (not (eq top gnus-tree-displayed-thread)))
649 (gnus-generate-tree top)
650 (setq gnus-tree-displayed-thread top))))))
652 (defun gnus-tree-open (group)
653 (gnus-get-tree-buffer))
655 (defun gnus-tree-close (group)
656 ;(gnus-kill-buffer gnus-tree-buffer)
659 (defun gnus-highlight-selected-tree (article)
660 "Highlight the selected article in the tree."
661 (let ((buf (current-buffer))
663 (set-buffer gnus-tree-buffer)
664 (when (setq region (gnus-tree-article-region article))
665 (when (or (not gnus-selected-tree-overlay)
666 (gnus-extent-detached-p gnus-selected-tree-overlay))
667 ;; Create a new overlay.
669 (setq gnus-selected-tree-overlay (gnus-make-overlay 1 2))
670 'face gnus-selected-tree-face))
671 ;; Move the overlay to the article.
673 gnus-selected-tree-overlay (goto-char (car region)) (cdr region))
676 (let ((selected (selected-window)))
677 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
678 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
679 (gnus-horizontal-recenter)
680 (select-window selected))))
681 ;; If we remove this save-excursion, it updates the wrong mode lines?!?
683 (set-buffer gnus-tree-buffer)
684 (gnus-set-mode-line 'tree))
687 (defun gnus-tree-highlight-article (article face)
689 (set-buffer (gnus-get-tree-buffer))
691 (when (setq region (gnus-tree-article-region article))
692 (gnus-put-text-property (car region) (cdr region) 'face face)
694 (get-buffer-window (current-buffer) t) (cdr region))))))
700 (defvar gnus-carpal-group-buffer-buttons
701 '(("next" . gnus-group-next-unread-group)
702 ("prev" . gnus-group-prev-unread-group)
703 ("read" . gnus-group-read-group)
704 ("select" . gnus-group-select-group)
705 ("catch-up" . gnus-group-catchup-current)
706 ("new-news" . gnus-group-get-new-news-this-group)
707 ("toggle-sub" . gnus-group-unsubscribe-current-group)
708 ("subscribe" . gnus-group-unsubscribe-group)
709 ("kill" . gnus-group-kill-group)
710 ("yank" . gnus-group-yank-group)
711 ("describe" . gnus-group-describe-group)
713 ("subscribed" . gnus-group-list-groups)
714 ("all" . gnus-group-list-all-groups)
715 ("killed" . gnus-group-list-killed)
716 ("zombies" . gnus-group-list-zombies)
717 ("matching" . gnus-group-list-matching)
718 ("post" . gnus-group-post-news)
719 ("mail" . gnus-group-mail)
720 ("rescan" . gnus-group-get-new-news)
721 ("browse-foreign" . gnus-group-browse-foreign)
722 ("exit" . gnus-group-exit)))
724 (defvar gnus-carpal-summary-buffer-buttons
726 ("read" . gnus-summary-mark-as-read-forward)
727 ("tick" . gnus-summary-tick-article-forward)
728 ("clear" . gnus-summary-clear-mark-forward)
729 ("expirable" . gnus-summary-mark-as-expirable)
731 ("scroll" . gnus-summary-next-page)
732 ("next-unread" . gnus-summary-next-unread-article)
733 ("prev-unread" . gnus-summary-prev-unread-article)
734 ("first" . gnus-summary-first-unread-article)
735 ("best" . gnus-summary-best-unread-article)
737 ("headers" . gnus-summary-toggle-header)
738 ("uudecode" . gnus-uu-decode-uu)
739 ("enter-digest" . gnus-summary-enter-digest-group)
740 ("fetch-parent" . gnus-summary-refer-parent-article)
742 ("move" . gnus-summary-move-article)
743 ("copy" . gnus-summary-copy-article)
744 ("respool" . gnus-summary-respool-article)
746 ("lower" . gnus-summary-lower-thread)
747 ("kill" . gnus-summary-kill-thread)
749 ("post" . gnus-summary-post-news)
750 ("mail" . gnus-summary-mail)
751 ("followup" . gnus-summary-followup-with-original)
752 ("reply" . gnus-summary-reply-with-original)
753 ("cancel" . gnus-summary-cancel-article)
755 ("exit" . gnus-summary-exit)
756 ("fed-up" . gnus-summary-catchup-and-goto-next-group)))
758 (defvar gnus-carpal-server-buffer-buttons
759 '(("add" . gnus-server-add-server)
760 ("browse" . gnus-server-browse-server)
761 ("list" . gnus-server-list-servers)
762 ("kill" . gnus-server-kill-server)
763 ("yank" . gnus-server-yank-server)
764 ("copy" . gnus-server-copy-server)
765 ("exit" . gnus-server-exit)))
767 (defvar gnus-carpal-browse-buffer-buttons
768 '(("subscribe" . gnus-browse-unsubscribe-current-group)
769 ("exit" . gnus-browse-exit)))
771 (defvar gnus-carpal-group-buffer "*Carpal Group*")
772 (defvar gnus-carpal-summary-buffer "*Carpal Summary*")
773 (defvar gnus-carpal-server-buffer "*Carpal Server*")
774 (defvar gnus-carpal-browse-buffer "*Carpal Browse*")
776 (defvar gnus-carpal-attached-buffer nil)
778 (defvar gnus-carpal-mode-hook nil
779 "*Hook run in carpal mode buffers.")
781 (defvar gnus-carpal-button-face 'bold
782 "*Face used on carpal buttons.")
784 (defvar gnus-carpal-header-face 'bold-italic
785 "*Face used on carpal buffer headers.")
787 (defvar gnus-carpal-mode-map nil)
788 (put 'gnus-carpal-mode 'mode-class 'special)
790 (if gnus-carpal-mode-map
792 (setq gnus-carpal-mode-map (make-keymap))
793 (suppress-keymap gnus-carpal-mode-map)
794 (define-key gnus-carpal-mode-map " " 'gnus-carpal-select)
795 (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select)
796 (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select))
798 (defun gnus-carpal-mode ()
799 "Major mode for clicking buttons.
801 All normal editing commands are switched off.
802 \\<gnus-carpal-mode-map>
803 The following commands are available:
805 \\{gnus-carpal-mode-map}"
807 (kill-all-local-variables)
808 (setq mode-line-modified "-- ")
809 (setq major-mode 'gnus-carpal-mode)
810 (setq mode-name "Gnus Carpal")
811 (setq mode-line-process nil)
812 (use-local-map gnus-carpal-mode-map)
813 (buffer-disable-undo (current-buffer))
814 (setq buffer-read-only t)
815 (make-local-variable 'gnus-carpal-attached-buffer)
816 (run-hooks 'gnus-carpal-mode-hook))
818 (defun gnus-carpal-setup-buffer (type)
819 (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type)))))
820 (if (get-buffer buffer)
823 (set-buffer (get-buffer-create buffer))
825 (setq gnus-carpal-attached-buffer
826 (intern (format "gnus-%s-buffer" type)))
827 (gnus-add-current-to-buffer-list)
828 (let ((buttons (symbol-value
829 (intern (format "gnus-carpal-%s-buffer-buttons"
831 (buffer-read-only nil)
834 (setq button (car buttons)
835 buttons (cdr buttons))
837 (gnus-set-text-properties
839 (prog2 (insert button) (point) (insert " "))
840 (list 'face gnus-carpal-header-face))
841 (gnus-set-text-properties
843 (prog2 (insert (car button)) (point) (insert " "))
844 (list 'gnus-callback (cdr button)
845 'face gnus-carpal-button-face
846 gnus-mouse-face-prop 'highlight))))
847 (let ((fill-column (- (window-width) 2)))
848 (fill-region (point-min) (point-max)))
849 (set-window-point (get-buffer-window (current-buffer))
852 (defun gnus-carpal-select ()
853 "Select the button under point."
855 (let ((func (get-text-property (point) 'gnus-callback)))
858 (pop-to-buffer (symbol-value gnus-carpal-attached-buffer))
859 (call-interactively func))))
861 (defun gnus-carpal-mouse-select (event)
862 "Select the button under the mouse pointer."
864 (mouse-set-point event)
865 (gnus-carpal-select))
867 ;;; Allow redefinition of functions.
872 ;;; gnus-salt.el ends here