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-pick-elegant-flow t
47 "If non-nil, gnus-pick-start-reading will run gnus-summary-next-group when no articles have been picked.")
49 (defvar gnus-summary-pick-line-format
50 "%-5P %U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n"
51 "*The format specification of the lines in pick buffers.
52 It accepts the same format specs that `gnus-summary-line-format' does.")
54 ;;; Internal variables.
56 (defvar gnus-pick-mode-map nil)
58 (unless gnus-pick-mode-map
59 (setq gnus-pick-mode-map (make-sparse-keymap))
63 "t" gnus-uu-mark-thread
64 "T" gnus-uu-unmark-thread
65 " " gnus-pick-next-page
66 "u" gnus-summary-unmark-as-processable
67 "U" gnus-summary-unmark-all-processable
69 "r" gnus-uu-mark-region
70 "R" gnus-uu-unmark-region
71 "e" gnus-uu-mark-by-regexp
72 "E" gnus-uu-mark-by-regexp
73 "b" gnus-uu-mark-buffer
74 "B" gnus-uu-unmark-buffer
76 gnus-mouse-2 gnus-pick-mouse-pick
77 "\r" gnus-pick-start-reading))
79 (defun gnus-pick-make-menu-bar ()
80 (unless (boundp 'gnus-pick-menu)
82 gnus-pick-menu gnus-pick-mode-map ""
85 ["Article" gnus-summary-mark-as-processable t]
86 ["Thread" gnus-uu-mark-thread t]
87 ["Region" gnus-uu-mark-region t]
88 ["Regexp" gnus-uu-mark-regexp t]
89 ["Buffer" gnus-uu-mark-buffer t])
91 ["Article" gnus-summary-unmark-as-processable t]
92 ["Thread" gnus-uu-unmark-thread t]
93 ["Region" gnus-uu-unmark-region t]
94 ["Regexp" gnus-uu-unmark-regexp t]
95 ["Buffer" gnus-uu-unmark-buffer t])
96 ["Start reading" gnus-pick-start-reading t]
97 ["Switch pick mode off" gnus-pick-mode gnus-pick-mode]))))
99 (defun gnus-pick-mode (&optional arg)
100 "Minor mode for providing a pick-and-read interface in Gnus summary buffers.
102 \\{gnus-pick-mode-map}"
104 (when (eq major-mode 'gnus-summary-mode)
105 (when (set (make-local-variable 'gnus-pick-mode)
106 (if (null arg) (not gnus-pick-mode)
107 (> (prefix-numeric-value arg) 0)))
108 ;; Make sure that we don't select any articles upon group entry.
109 (set (make-local-variable 'gnus-auto-select-first) nil)
110 ;; Change line format.
111 (setq gnus-summary-line-format gnus-summary-pick-line-format)
112 (setq gnus-summary-line-format-spec nil)
113 (gnus-update-format-specifications nil 'summary)
114 (gnus-update-summary-mark-positions)
116 (when (and menu-bar-mode
117 (gnus-visual-p 'pick-menu 'menu))
118 (gnus-pick-make-menu-bar))
119 (unless (assq 'gnus-pick-mode minor-mode-alist)
120 (push '(gnus-pick-mode " Pick") minor-mode-alist))
121 (unless (assq 'gnus-pick-mode minor-mode-map-alist)
122 (push (cons 'gnus-pick-mode gnus-pick-mode-map)
123 minor-mode-map-alist))
124 (run-hooks 'gnus-pick-mode-hook))))
126 (defvar gnus-pick-line-number 1)
127 (defun gnus-pick-line-number ()
128 "Return the current line number."
130 (setq gnus-pick-line-number 1)
131 (incf gnus-pick-line-number)))
133 (defun gnus-pick-start-reading (&optional catch-up)
134 "Start reading the picked articles.
135 If given a prefix, mark all unpicked articles as read."
137 (if gnus-newsgroup-processable
139 (gnus-summary-limit-to-articles nil)
140 (when (or catch-up gnus-mark-unpicked-articles-as-read)
141 (gnus-summary-limit-mark-excluded-as-read))
142 (gnus-summary-first-unread-article)
143 (gnus-configure-windows
144 (if gnus-pick-display-summary 'article 'pick) t))
145 (if gnus-pick-elegant-flow
146 (gnus-summary-next-group)
147 (error "No articles have been picked"))))
149 (defun gnus-pick-article (&optional arg)
150 "Pick the article on the current line.
151 If ARG, pick the article on that line instead."
156 (goto-char (point-min))
157 (when (zerop (forward-line (1- (prefix-numeric-value arg))))
160 (gnus-error 2 "No such line: %s" arg)
162 (gnus-summary-mark-as-processable 1))
164 (defun gnus-pick-mouse-pick (e)
168 (gnus-summary-mark-as-processable 1)))
170 (defun gnus-pick-next-page ()
171 "Go to the next page. If at the end of the buffer, start reading articles."
175 (end-of-buffer (gnus-pick-start-reading))))
181 (defvar gnus-binary-mode nil
182 "Minor mode for provind a binary group interface in Gnus summary buffers.")
184 (defvar gnus-binary-mode-hook nil
185 "Hook run in summary binary mode buffers.")
187 (defvar gnus-binary-mode-map nil)
189 (unless gnus-binary-mode-map
190 (setq gnus-binary-mode-map (make-sparse-keymap))
194 "g" gnus-binary-show-article))
196 (defun gnus-binary-make-menu-bar ()
197 (unless (boundp 'gnus-binary-menu)
199 gnus-binary-menu gnus-binary-mode-map ""
201 ["Switch binary mode off" gnus-binary-mode t]))))
203 (defun gnus-binary-mode (&optional arg)
204 "Minor mode for providing a binary group interface in Gnus summary buffers."
206 (when (eq major-mode 'gnus-summary-mode)
207 (make-local-variable 'gnus-binary-mode)
208 (setq gnus-binary-mode
209 (if (null arg) (not gnus-binary-mode)
210 (> (prefix-numeric-value arg) 0)))
211 (when gnus-binary-mode
212 ;; Make sure that we don't select any articles upon group entry.
213 (make-local-variable 'gnus-auto-select-first)
214 (setq gnus-auto-select-first nil)
215 (make-local-variable 'gnus-summary-display-article-function)
216 (setq gnus-summary-display-article-function 'gnus-binary-display-article)
218 (when (and menu-bar-mode
219 (gnus-visual-p 'binary-menu 'menu))
220 (gnus-binary-make-menu-bar))
221 (unless (assq 'gnus-binary-mode minor-mode-alist)
222 (push '(gnus-binary-mode " Binary") minor-mode-alist))
223 (unless (assq 'gnus-binary-mode minor-mode-map-alist)
224 (push (cons 'gnus-binary-mode gnus-binary-mode-map)
225 minor-mode-map-alist))
226 (run-hooks 'gnus-binary-mode-hook))))
228 (defun gnus-binary-display-article (article &optional all-header)
229 "Run ARTICLE through the binary decode functions."
230 (when (gnus-summary-goto-subject article)
231 (let ((gnus-view-pseudos 'automatic))
232 (gnus-uu-decode-uu))))
234 (defun gnus-binary-show-article (&optional arg)
235 "Bypass the binary functions and show the article."
237 (let (gnus-summary-display-article-function)
238 (gnus-summary-show-article arg)))
244 (defvar gnus-tree-line-format "%(%[%3,3n%]%)"
245 "Format of tree elements.")
247 (defvar gnus-tree-minimize-window t
248 "If non-nil, minimize the tree buffer window.
249 If a number, never let the tree buffer grow taller than that number of
252 (defvar gnus-selected-tree-face 'modeline
253 "*Face used for highlighting selected articles in the thread tree.")
255 (defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\))
256 (?\{ . ?\}) (?< . ?>))
257 "Brackets used in tree nodes.")
259 (defvar gnus-tree-parent-child-edges '(?- ?\\ ?|)
260 "Charaters used to connect parents with children.")
262 (defvar gnus-tree-mode-line-format "Gnus: %%b %S %Z"
263 "*The format specification for the tree mode line.")
265 (defvar gnus-generate-tree-function 'gnus-generate-vertical-tree
266 "*Function for generating a thread tree.
267 Two predefined functions are available:
268 `gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'.")
270 (defvar gnus-tree-mode-hook nil
271 "*Hook run in tree mode buffers.")
273 ;;; Internal variables.
275 (defvar gnus-tree-line-format-alist
276 `((?n gnus-tmp-name ?s)
277 (?f gnus-tmp-from ?s)
278 (?N gnus-tmp-number ?d)
279 (?\[ gnus-tmp-open-bracket ?c)
280 (?\] gnus-tmp-close-bracket ?c)
281 (?s gnus-tmp-subject ?s)))
283 (defvar gnus-tree-mode-line-format-alist gnus-summary-mode-line-format-alist)
285 (defvar gnus-tree-mode-line-format-spec nil)
286 (defvar gnus-tree-line-format-spec nil)
288 (defvar gnus-tree-node-length nil)
289 (defvar gnus-selected-tree-overlay nil)
291 (defvar gnus-tree-displayed-thread nil)
293 (defvar gnus-tree-mode-map nil)
294 (put 'gnus-tree-mode 'mode-class 'special)
296 (unless gnus-tree-mode-map
297 (setq gnus-tree-mode-map (make-keymap))
298 (suppress-keymap gnus-tree-mode-map)
301 "\r" gnus-tree-select-article
302 gnus-mouse-2 gnus-tree-pick-article
303 "\C-?" gnus-tree-read-summary-keys
305 "\C-c\C-i" gnus-info-find-node)
307 (substitute-key-definition
308 'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map))
310 (defun gnus-tree-make-menu-bar ()
311 (unless (boundp 'gnus-tree-menu)
313 gnus-tree-menu gnus-tree-mode-map ""
315 ["Select article" gnus-tree-select-article t]))))
317 (defun gnus-tree-mode ()
318 "Major mode for displaying thread trees."
320 (setq gnus-tree-mode-line-format-spec
321 (gnus-parse-format gnus-tree-mode-line-format
322 gnus-summary-mode-line-format-alist))
323 (setq gnus-tree-line-format-spec
324 (gnus-parse-format gnus-tree-line-format
325 gnus-tree-line-format-alist t))
326 (when (and menu-bar-mode
327 (gnus-visual-p 'tree-menu 'menu))
328 (gnus-tree-make-menu-bar))
329 (kill-all-local-variables)
330 (gnus-simplify-mode-line)
331 (setq mode-name "Tree")
332 (setq major-mode 'gnus-tree-mode)
333 (use-local-map gnus-tree-mode-map)
334 (buffer-disable-undo (current-buffer))
335 (setq buffer-read-only t)
336 (setq truncate-lines t)
338 (gnus-set-work-buffer)
339 (gnus-tree-node-insert (make-mail-header "") nil)
340 (setq gnus-tree-node-length (1- (point))))
341 (run-hooks 'gnus-tree-mode-hook))
343 (defun gnus-tree-read-summary-keys (&optional arg)
344 "Read a summary buffer key sequence and execute it."
346 (let ((buf (current-buffer))
348 (gnus-article-read-summary-keys arg nil t)
349 (when (setq win (get-buffer-window buf))
351 (when gnus-selected-tree-overlay
352 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
353 (gnus-tree-minimize))))
355 (defun gnus-tree-select-article (article)
356 "Select the article under point, if any."
357 (interactive (list (gnus-tree-article-number)))
358 (let ((buf (current-buffer)))
361 (set-buffer gnus-summary-buffer)
362 (gnus-summary-goto-article article))
363 (select-window (get-buffer-window buf)))))
365 (defun gnus-tree-pick-article (e)
366 "Select the article under the mouse pointer."
369 (gnus-tree-select-article (gnus-tree-article-number)))
371 (defun gnus-tree-article-number ()
372 (get-text-property (point) 'gnus-number))
374 (defun gnus-tree-article-region (article)
375 "Return a cons with BEG and END of the article region."
376 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
378 (cons pos (next-single-property-change pos 'gnus-number)))))
380 (defun gnus-tree-goto-article (article)
381 (let ((pos (text-property-any (point-min) (point-max) 'gnus-number article)))
385 (defun gnus-tree-recenter ()
386 "Center point in the tree window."
387 (let ((selected (selected-window))
388 (tree-window (get-buffer-window gnus-tree-buffer t)))
390 (select-window tree-window)
391 (when gnus-selected-tree-overlay
392 (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1)))
393 (let* ((top (cond ((< (window-height) 4) 0)
394 ((< (window-height) 7) 1)
396 (height (1- (window-height)))
397 (bottom (save-excursion (goto-char (point-max))
398 (forward-line (- height))
400 ;; Set the window start to either `bottom', which is the biggest
401 ;; possible valid number, or the second line from the top,
402 ;; whichever is the least.
404 tree-window (min bottom (save-excursion
405 (forward-line (- top)) (point)))))
406 (select-window selected))))
408 (defun gnus-get-tree-buffer ()
409 "Return the tree buffer properly initialized."
411 (set-buffer (get-buffer-create gnus-tree-buffer))
412 (unless (eq major-mode 'gnus-tree-mode)
413 (gnus-add-current-to-buffer-list)
417 (defun gnus-tree-minimize ()
418 (when (and gnus-tree-minimize-window
419 (not (one-window-p)))
422 (walk-windows (lambda (window) (incf windows)))
425 (* window-min-height (1- windows))
427 (let* ((window-min-height 2)
428 (height (count-lines (point-min) (point-max)))
429 (min (max (1- window-min-height) height))
430 (tot (if (numberp gnus-tree-minimize-window)
431 (min gnus-tree-minimize-window min)
433 (win (get-buffer-window (current-buffer)))
434 (wh (and win (1- (window-height win)))))
435 (setq tot (min tot tot-win-height))
438 (let ((selected (selected-window)))
440 (enlarge-window (- tot wh))
441 (select-window selected)))))))
443 ;;; Generating the tree.
445 (defun gnus-tree-node-insert (header sparse &optional adopted)
446 (let* ((dummy (stringp header))
447 (header (if (vectorp header) header
449 (setq header (make-mail-header "*****"))
450 (mail-header-set-number header 0)
451 (mail-header-set-lines header 0)
452 (mail-header-set-chars header 0)
454 (gnus-tmp-from (mail-header-from header))
455 (gnus-tmp-subject (mail-header-subject header))
456 (gnus-tmp-number (mail-header-number header))
459 ((string-match "(.+)" gnus-tmp-from)
460 (substring gnus-tmp-from
461 (1+ (match-beginning 0)) (1- (match-end 0))))
462 ((string-match "<[^>]+> *$" gnus-tmp-from)
463 (let ((beg (match-beginning 0)))
464 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
465 (substring gnus-tmp-from (1+ (match-beginning 0))
467 (substring gnus-tmp-from 0 beg))))
468 ((memq gnus-tmp-number sparse)
471 (gnus-tmp-open-bracket
472 (cond ((memq gnus-tmp-number sparse)
473 (caadr gnus-tree-brackets))
474 (dummy (caaddr gnus-tree-brackets))
475 (adopted (car (nth 3 gnus-tree-brackets)))
476 (t (caar gnus-tree-brackets))))
477 (gnus-tmp-close-bracket
478 (cond ((memq gnus-tmp-number sparse)
479 (cdadr gnus-tree-brackets))
480 (adopted (cdr (nth 3 gnus-tree-brackets)))
482 (cdaddr gnus-tree-brackets))
483 (t (cdar gnus-tree-brackets))))
484 (buffer-read-only nil)
486 (gnus-add-text-properties
488 (setq end (progn (eval gnus-tree-line-format-spec) (point)))
489 (list 'gnus-number gnus-tmp-number))
490 (when (or t (gnus-visual-p 'tree-highlight 'highlight))
491 (gnus-tree-highlight-node gnus-tmp-number beg end))))
493 (defun gnus-tree-highlight-node (article beg end)
494 "Highlight current line according to `gnus-summary-highlight'."
495 (let ((list gnus-summary-highlight)
498 (set-buffer gnus-summary-buffer)
499 (let* ((score (or (cdr (assq article gnus-newsgroup-scored))
500 gnus-summary-default-score 0))
501 (default gnus-summary-default-score)
502 (mark (or (gnus-summary-article-mark article) gnus-unread-mark)))
503 ;; Eval the cars of the lists until we find a match.
505 (not (eval (caar list))))
506 (setq list (cdr list)))))
507 (unless (eq (setq face (cdar list)) (get-text-property beg 'face))
508 (gnus-put-text-property
510 (if (boundp face) (symbol-value face) face)))))
512 (defun gnus-tree-indent (level)
513 (insert (make-string (1- (* (1+ gnus-tree-node-length) level)) ? )))
515 (defvar gnus-tmp-limit)
516 (defvar gnus-tmp-sparse)
517 (defvar gnus-tmp-indent)
519 (defun gnus-generate-tree (thread)
520 "Generate a thread tree for THREAD."
522 (set-buffer (gnus-get-tree-buffer))
523 (let ((buffer-read-only nil)
526 (funcall gnus-generate-tree-function thread 0)
527 (gnus-set-mode-line 'tree)
528 (goto-char (point-min))
531 (let ((selected (selected-window)))
532 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
533 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
534 (gnus-horizontal-recenter)
535 (select-window selected))))))
537 (defun gnus-generate-horizontal-tree (thread level &optional dummyp adopted)
538 "Generate a horizontal tree."
539 (let* ((dummy (stringp (car thread)))
541 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
544 ;; We don't want this article.
545 (setq thread (cdr thread))
547 ;; Not the first article on the line, so we insert a "-".
548 (insert (car gnus-tree-parent-child-edges))
549 ;; If the level isn't zero, then we insert some indentation.
550 (unless (zerop level)
551 (gnus-tree-indent level)
552 (insert (cadr gnus-tree-parent-child-edges))
553 (setq col (- (setq beg (point)) (gnus-point-at-bol) 1))
554 ;; Draw "|" lines upwards.
558 (= (following-char) ? ))
560 (insert (caddr gnus-tree-parent-child-edges)))
563 ;; Insert the article node.
564 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted))
566 ;; End of the thread, so we go to the next line.
569 ;; Recurse downwards in all children of this article.
571 (gnus-generate-horizontal-tree
572 (pop thread) (if do (1+ level) level)
573 (or dummyp dummy) dummy)))))
575 (defsubst gnus-tree-indent-vertical ()
576 (let ((len (- (* (1+ gnus-tree-node-length) gnus-tmp-indent)
577 (- (point) (gnus-point-at-bol)))))
579 (insert (make-string len ? )))))
581 (defsubst gnus-tree-forward-line (n)
582 (while (>= (decf n) 0)
583 (unless (zerop (forward-line 1))
588 (defun gnus-generate-vertical-tree (thread level &optional dummyp adopted)
589 "Generate a vertical tree."
590 (let* ((dummy (stringp (car thread)))
592 (memq (mail-header-number (car thread)) gnus-tmp-limit)))
595 ;; We don't want this article.
596 (setq thread (cdr thread))
597 (if (not (save-excursion (beginning-of-line) (bobp)))
598 ;; Not the first article on the line, so we insert a "-".
600 (gnus-tree-indent-vertical)
601 (insert (make-string (/ gnus-tree-node-length 2) ? ))
602 (insert (caddr gnus-tree-parent-child-edges))
603 (gnus-tree-forward-line 1))
604 ;; If the level isn't zero, then we insert some indentation.
605 (unless (zerop gnus-tmp-indent)
606 (gnus-tree-forward-line (1- (* 2 level)))
607 (gnus-tree-indent-vertical)
609 (insert (cadr gnus-tree-parent-child-edges))
611 ;; Draw "-" lines leftwards.
614 (= (following-char) ? ))
616 (insert (car gnus-tree-parent-child-edges)))
618 (gnus-tree-forward-line 1)))
620 ;; Insert the article node.
621 (gnus-tree-indent-vertical)
622 (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted)
623 (gnus-tree-forward-line 1))
625 ;; End of the thread, so we go to the next line.
627 (goto-char (point-min))
629 (incf gnus-tmp-indent))
630 ;; Recurse downwards in all children of this article.
632 (gnus-generate-vertical-tree
633 (pop thread) (if do (1+ level) level)
634 (or dummyp dummy) dummy)))))
636 ;;; Interface functions.
638 (defun gnus-possibly-generate-tree (article &optional force)
639 "Generate the thread tree for ARTICLE if it isn't displayed already."
640 (when (save-excursion
641 (set-buffer gnus-summary-buffer)
644 (vectorp (gnus-summary-article-header article))))
646 (let ((top (save-excursion
647 (set-buffer gnus-summary-buffer)
651 (gnus-summary-article-header article)) t))))
652 (gnus-tmp-limit gnus-newsgroup-limit)
653 (gnus-tmp-sparse gnus-newsgroup-sparse))
655 (not (eq top gnus-tree-displayed-thread)))
656 (gnus-generate-tree top)
657 (setq gnus-tree-displayed-thread top))))))
659 (defun gnus-tree-open (group)
660 (gnus-get-tree-buffer))
662 (defun gnus-tree-close (group)
663 ;(gnus-kill-buffer gnus-tree-buffer)
666 (defun gnus-highlight-selected-tree (article)
667 "Highlight the selected article in the tree."
668 (let ((buf (current-buffer))
670 (set-buffer gnus-tree-buffer)
671 (when (setq region (gnus-tree-article-region article))
672 (when (or (not gnus-selected-tree-overlay)
673 (gnus-extent-detached-p gnus-selected-tree-overlay))
674 ;; Create a new overlay.
676 (setq gnus-selected-tree-overlay (gnus-make-overlay 1 2))
677 'face gnus-selected-tree-face))
678 ;; Move the overlay to the article.
680 gnus-selected-tree-overlay (goto-char (car region)) (cdr region))
683 (let ((selected (selected-window)))
684 (when (get-buffer-window (set-buffer gnus-tree-buffer) t)
685 (select-window (get-buffer-window (set-buffer gnus-tree-buffer) t))
686 (gnus-horizontal-recenter)
687 (select-window selected))))
688 ;; If we remove this save-excursion, it updates the wrong mode lines?!?
690 (set-buffer gnus-tree-buffer)
691 (gnus-set-mode-line 'tree))
694 (defun gnus-tree-highlight-article (article face)
696 (set-buffer (gnus-get-tree-buffer))
698 (when (setq region (gnus-tree-article-region article))
699 (gnus-put-text-property (car region) (cdr region) 'face face)
701 (get-buffer-window (current-buffer) t) (cdr region))))))
707 (defvar gnus-carpal-group-buffer-buttons
708 '(("next" . gnus-group-next-unread-group)
709 ("prev" . gnus-group-prev-unread-group)
710 ("read" . gnus-group-read-group)
711 ("select" . gnus-group-select-group)
712 ("catch-up" . gnus-group-catchup-current)
713 ("new-news" . gnus-group-get-new-news-this-group)
714 ("toggle-sub" . gnus-group-unsubscribe-current-group)
715 ("subscribe" . gnus-group-unsubscribe-group)
716 ("kill" . gnus-group-kill-group)
717 ("yank" . gnus-group-yank-group)
718 ("describe" . gnus-group-describe-group)
720 ("subscribed" . gnus-group-list-groups)
721 ("all" . gnus-group-list-all-groups)
722 ("killed" . gnus-group-list-killed)
723 ("zombies" . gnus-group-list-zombies)
724 ("matching" . gnus-group-list-matching)
725 ("post" . gnus-group-post-news)
726 ("mail" . gnus-group-mail)
727 ("rescan" . gnus-group-get-new-news)
728 ("browse-foreign" . gnus-group-browse-foreign)
729 ("exit" . gnus-group-exit)))
731 (defvar gnus-carpal-summary-buffer-buttons
733 ("read" . gnus-summary-mark-as-read-forward)
734 ("tick" . gnus-summary-tick-article-forward)
735 ("clear" . gnus-summary-clear-mark-forward)
736 ("expirable" . gnus-summary-mark-as-expirable)
738 ("scroll" . gnus-summary-next-page)
739 ("next-unread" . gnus-summary-next-unread-article)
740 ("prev-unread" . gnus-summary-prev-unread-article)
741 ("first" . gnus-summary-first-unread-article)
742 ("best" . gnus-summary-best-unread-article)
744 ("headers" . gnus-summary-toggle-header)
745 ("uudecode" . gnus-uu-decode-uu)
746 ("enter-digest" . gnus-summary-enter-digest-group)
747 ("fetch-parent" . gnus-summary-refer-parent-article)
749 ("move" . gnus-summary-move-article)
750 ("copy" . gnus-summary-copy-article)
751 ("respool" . gnus-summary-respool-article)
753 ("lower" . gnus-summary-lower-thread)
754 ("kill" . gnus-summary-kill-thread)
756 ("post" . gnus-summary-post-news)
757 ("mail" . gnus-summary-mail)
758 ("followup" . gnus-summary-followup-with-original)
759 ("reply" . gnus-summary-reply-with-original)
760 ("cancel" . gnus-summary-cancel-article)
762 ("exit" . gnus-summary-exit)
763 ("fed-up" . gnus-summary-catchup-and-goto-next-group)))
765 (defvar gnus-carpal-server-buffer-buttons
766 '(("add" . gnus-server-add-server)
767 ("browse" . gnus-server-browse-server)
768 ("list" . gnus-server-list-servers)
769 ("kill" . gnus-server-kill-server)
770 ("yank" . gnus-server-yank-server)
771 ("copy" . gnus-server-copy-server)
772 ("exit" . gnus-server-exit)))
774 (defvar gnus-carpal-browse-buffer-buttons
775 '(("subscribe" . gnus-browse-unsubscribe-current-group)
776 ("exit" . gnus-browse-exit)))
778 (defvar gnus-carpal-group-buffer "*Carpal Group*")
779 (defvar gnus-carpal-summary-buffer "*Carpal Summary*")
780 (defvar gnus-carpal-server-buffer "*Carpal Server*")
781 (defvar gnus-carpal-browse-buffer "*Carpal Browse*")
783 (defvar gnus-carpal-attached-buffer nil)
785 (defvar gnus-carpal-mode-hook nil
786 "*Hook run in carpal mode buffers.")
788 (defvar gnus-carpal-button-face 'bold
789 "*Face used on carpal buttons.")
791 (defvar gnus-carpal-header-face 'bold-italic
792 "*Face used on carpal buffer headers.")
794 (defvar gnus-carpal-mode-map nil)
795 (put 'gnus-carpal-mode 'mode-class 'special)
797 (if gnus-carpal-mode-map
799 (setq gnus-carpal-mode-map (make-keymap))
800 (suppress-keymap gnus-carpal-mode-map)
801 (define-key gnus-carpal-mode-map " " 'gnus-carpal-select)
802 (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select)
803 (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select))
805 (defun gnus-carpal-mode ()
806 "Major mode for clicking buttons.
808 All normal editing commands are switched off.
809 \\<gnus-carpal-mode-map>
810 The following commands are available:
812 \\{gnus-carpal-mode-map}"
814 (kill-all-local-variables)
815 (setq mode-line-modified "-- ")
816 (setq major-mode 'gnus-carpal-mode)
817 (setq mode-name "Gnus Carpal")
818 (setq mode-line-process nil)
819 (use-local-map gnus-carpal-mode-map)
820 (buffer-disable-undo (current-buffer))
821 (setq buffer-read-only t)
822 (make-local-variable 'gnus-carpal-attached-buffer)
823 (run-hooks 'gnus-carpal-mode-hook))
825 (defun gnus-carpal-setup-buffer (type)
826 (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type)))))
827 (if (get-buffer buffer)
830 (set-buffer (get-buffer-create buffer))
832 (setq gnus-carpal-attached-buffer
833 (intern (format "gnus-%s-buffer" type)))
834 (gnus-add-current-to-buffer-list)
835 (let ((buttons (symbol-value
836 (intern (format "gnus-carpal-%s-buffer-buttons"
838 (buffer-read-only nil)
841 (setq button (car buttons)
842 buttons (cdr buttons))
844 (gnus-set-text-properties
846 (prog2 (insert button) (point) (insert " "))
847 (list 'face gnus-carpal-header-face))
848 (gnus-set-text-properties
850 (prog2 (insert (car button)) (point) (insert " "))
851 (list 'gnus-callback (cdr button)
852 'face gnus-carpal-button-face
853 gnus-mouse-face-prop 'highlight))))
854 (let ((fill-column (- (window-width) 2)))
855 (fill-region (point-min) (point-max)))
856 (set-window-point (get-buffer-window (current-buffer))
859 (defun gnus-carpal-select ()
860 "Select the button under point."
862 (let ((func (get-text-property (point) 'gnus-callback)))
865 (pop-to-buffer (symbol-value gnus-carpal-attached-buffer))
866 (call-interactively func))))
868 (defun gnus-carpal-mouse-select (event)
869 "Select the button under the mouse pointer."
871 (mouse-set-point event)
872 (gnus-carpal-select))
874 ;;; Allow redefinition of functions.
879 ;;; gnus-salt.el ends here