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eec82323 | 1 | ;;; gnus-salt.el --- alternate summary mode interfaces for Gnus |
16409b0b | 2 | |
e84b4b86 | 3 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, |
d7a0267c | 4 | ;; 2005, 2006, 2007 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f LMI |
6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
7 | ;; Keywords: news | |
eec82323 LMI |
8 | |
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
5a9dffec | 13 | ;; the Free Software Foundation; either version 3, or (at your option) |
eec82323 LMI |
14 | ;; any later version. |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
3a35cf56 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
eec82323 LMI |
25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;;; Code: | |
29 | ||
5ab7173c RS |
30 | (eval-when-compile (require 'cl)) |
31 | ||
eec82323 LMI |
32 | (require 'gnus) |
33 | (require 'gnus-sum) | |
23f87bed | 34 | (require 'gnus-win) |
eec82323 LMI |
35 | |
36 | ;;; | |
37 | ;;; gnus-pick-mode | |
38 | ;;; | |
39 | ||
40 | (defvar gnus-pick-mode nil | |
23f87bed MB |
41 | "Minor mode for providing a pick-and-read interface in Gnus |
42 | summary buffers.") | |
eec82323 | 43 | |
a8151ef7 LMI |
44 | (defcustom gnus-pick-display-summary nil |
45 | "*Display summary while reading." | |
46 | :type 'boolean | |
47 | :group 'gnus-summary-pick) | |
48 | ||
49 | (defcustom gnus-pick-mode-hook nil | |
50 | "Hook run in summary pick mode buffers." | |
51 | :type 'hook | |
52 | :group 'gnus-summary-pick) | |
53 | ||
23f87bed MB |
54 | (when (featurep 'xemacs) |
55 | (add-hook 'gnus-pick-mode-hook 'gnus-xmas-pick-menu-add)) | |
56 | ||
a8151ef7 LMI |
57 | (defcustom gnus-mark-unpicked-articles-as-read nil |
58 | "*If non-nil, mark all unpicked articles as read." | |
59 | :type 'boolean | |
60 | :group 'gnus-summary-pick) | |
61 | ||
62 | (defcustom gnus-pick-elegant-flow t | |
23f87bed MB |
63 | "If non-nil, `gnus-pick-start-reading' runs |
64 | `gnus-summary-next-group' when no articles have been picked." | |
a8151ef7 LMI |
65 | :type 'boolean |
66 | :group 'gnus-summary-pick) | |
67 | ||
68 | (defcustom gnus-summary-pick-line-format | |
23f87bed | 69 | "%-5P %U\%R\%z\%I\%(%[%4L: %-23,23n%]%) %s\n" |
eec82323 | 70 | "*The format specification of the lines in pick buffers. |
a8151ef7 LMI |
71 | It accepts the same format specs that `gnus-summary-line-format' does." |
72 | :type 'string | |
73 | :group 'gnus-summary-pick) | |
eec82323 LMI |
74 | |
75 | ;;; Internal variables. | |
76 | ||
77 | (defvar gnus-pick-mode-map nil) | |
78 | ||
79 | (unless gnus-pick-mode-map | |
80 | (setq gnus-pick-mode-map (make-sparse-keymap)) | |
81 | ||
6748645f LMI |
82 | (gnus-define-keys gnus-pick-mode-map |
83 | " " gnus-pick-next-page | |
84 | "u" gnus-pick-unmark-article-or-thread | |
85 | "." gnus-pick-article-or-thread | |
86 | gnus-down-mouse-2 gnus-pick-mouse-pick-region | |
16409b0b | 87 | "\r" gnus-pick-start-reading)) |
eec82323 LMI |
88 | |
89 | (defun gnus-pick-make-menu-bar () | |
90 | (unless (boundp 'gnus-pick-menu) | |
91 | (easy-menu-define | |
23f87bed MB |
92 | gnus-pick-menu gnus-pick-mode-map "" |
93 | '("Pick" | |
94 | ("Pick" | |
95 | ["Article" gnus-summary-mark-as-processable t] | |
96 | ["Thread" gnus-uu-mark-thread t] | |
97 | ["Region" gnus-uu-mark-region t] | |
98 | ["Regexp" gnus-uu-mark-by-regexp t] | |
99 | ["Buffer" gnus-uu-mark-buffer t]) | |
100 | ("Unpick" | |
101 | ["Article" gnus-summary-unmark-as-processable t] | |
102 | ["Thread" gnus-uu-unmark-thread t] | |
103 | ["Region" gnus-uu-unmark-region t] | |
104 | ["Regexp" gnus-uu-unmark-by-regexp t] | |
105 | ["Buffer" gnus-summary-unmark-all-processable t]) | |
106 | ["Start reading" gnus-pick-start-reading t] | |
107 | ["Switch pick mode off" gnus-pick-mode gnus-pick-mode])))) | |
eec82323 LMI |
108 | |
109 | (defun gnus-pick-mode (&optional arg) | |
110 | "Minor mode for providing a pick-and-read interface in Gnus summary buffers. | |
111 | ||
112 | \\{gnus-pick-mode-map}" | |
113 | (interactive "P") | |
114 | (when (eq major-mode 'gnus-summary-mode) | |
115 | (if (not (set (make-local-variable 'gnus-pick-mode) | |
116 | (if (null arg) (not gnus-pick-mode) | |
117 | (> (prefix-numeric-value arg) 0)))) | |
118 | (remove-hook 'gnus-message-setup-hook 'gnus-pick-setup-message) | |
119 | ;; Make sure that we don't select any articles upon group entry. | |
120 | (set (make-local-variable 'gnus-auto-select-first) nil) | |
121 | ;; Change line format. | |
122 | (setq gnus-summary-line-format gnus-summary-pick-line-format) | |
123 | (setq gnus-summary-line-format-spec nil) | |
124 | (gnus-update-format-specifications nil 'summary) | |
125 | (gnus-update-summary-mark-positions) | |
126 | (add-hook 'gnus-message-setup-hook 'gnus-pick-setup-message) | |
127 | (set (make-local-variable 'gnus-summary-goto-unread) 'never) | |
128 | ;; Set up the menu. | |
129 | (when (gnus-visual-p 'pick-menu 'menu) | |
130 | (gnus-pick-make-menu-bar)) | |
ead25b5c | 131 | (gnus-add-minor-mode 'gnus-pick-mode " Pick" gnus-pick-mode-map) |
6748645f | 132 | (gnus-run-hooks 'gnus-pick-mode-hook)))) |
eec82323 LMI |
133 | |
134 | (defun gnus-pick-setup-message () | |
135 | "Make Message do the right thing on exit." | |
136 | (when (and (gnus-buffer-live-p gnus-summary-buffer) | |
137 | (save-excursion | |
138 | (set-buffer gnus-summary-buffer) | |
139 | gnus-pick-mode)) | |
140 | (message-add-action | |
16409b0b GM |
141 | '(gnus-configure-windows ,gnus-current-window-configuration t) |
142 | 'send 'exit 'postpone 'kill))) | |
eec82323 LMI |
143 | |
144 | (defvar gnus-pick-line-number 1) | |
145 | (defun gnus-pick-line-number () | |
146 | "Return the current line number." | |
147 | (if (bobp) | |
148 | (setq gnus-pick-line-number 1) | |
149 | (incf gnus-pick-line-number))) | |
150 | ||
151 | (defun gnus-pick-start-reading (&optional catch-up) | |
152 | "Start reading the picked articles. | |
153 | If given a prefix, mark all unpicked articles as read." | |
154 | (interactive "P") | |
155 | (if gnus-newsgroup-processable | |
156 | (progn | |
23f87bed MB |
157 | (gnus-summary-limit-to-articles nil) |
158 | (when (or catch-up gnus-mark-unpicked-articles-as-read) | |
eec82323 | 159 | (gnus-summary-limit-mark-excluded-as-read)) |
23f87bed MB |
160 | (gnus-summary-first-article) |
161 | (gnus-configure-windows | |
eec82323 LMI |
162 | (if gnus-pick-display-summary 'article 'pick) t)) |
163 | (if gnus-pick-elegant-flow | |
164 | (progn | |
165 | (when (or catch-up gnus-mark-unpicked-articles-as-read) | |
a8151ef7 | 166 | (gnus-summary-catchup nil t)) |
eec82323 LMI |
167 | (if (gnus-group-quit-config gnus-newsgroup-name) |
168 | (gnus-summary-exit) | |
169 | (gnus-summary-next-group))) | |
170 | (error "No articles have been picked")))) | |
171 | ||
6748645f | 172 | (defun gnus-pick-goto-article (arg) |
16409b0b GM |
173 | "Go to the article number indicated by ARG. |
174 | If ARG is an invalid article number, then stay on current line." | |
6748645f LMI |
175 | (let (pos) |
176 | (save-excursion | |
177 | (goto-char (point-min)) | |
178 | (when (zerop (forward-line (1- (prefix-numeric-value arg)))) | |
179 | (setq pos (point)))) | |
180 | (if (not pos) | |
181 | (gnus-error 2 "No such line: %s" arg) | |
182 | (goto-char pos)))) | |
16409b0b | 183 | |
eec82323 | 184 | (defun gnus-pick-article (&optional arg) |
16409b0b | 185 | "Pick the article on the current line. |
eec82323 LMI |
186 | If ARG, pick the article on that line instead." |
187 | (interactive "P") | |
188 | (when arg | |
6748645f | 189 | (gnus-pick-goto-article arg)) |
eec82323 LMI |
190 | (gnus-summary-mark-as-processable 1)) |
191 | ||
6748645f | 192 | (defun gnus-pick-article-or-thread (&optional arg) |
16409b0b | 193 | "If `gnus-thread-hide-subtree' is t, then pick the thread on the current line. |
6748645f LMI |
194 | Otherwise pick the article on the current line. |
195 | If ARG, pick the article/thread on that line instead." | |
196 | (interactive "P") | |
197 | (when arg | |
198 | (gnus-pick-goto-article arg)) | |
199 | (if gnus-thread-hide-subtree | |
16409b0b GM |
200 | (progn |
201 | (save-excursion | |
202 | (gnus-uu-mark-thread)) | |
203 | (forward-line 1)) | |
6748645f | 204 | (gnus-summary-mark-as-processable 1))) |
16409b0b | 205 | |
6748645f | 206 | (defun gnus-pick-unmark-article-or-thread (&optional arg) |
16409b0b | 207 | "If `gnus-thread-hide-subtree' is t, then unmark the thread on current line. |
6748645f LMI |
208 | Otherwise unmark the article on current line. |
209 | If ARG, unmark thread/article on that line instead." | |
210 | (interactive "P") | |
211 | (when arg | |
212 | (gnus-pick-goto-article arg)) | |
213 | (if gnus-thread-hide-subtree | |
16409b0b GM |
214 | (save-excursion |
215 | (gnus-uu-unmark-thread)) | |
6748645f | 216 | (gnus-summary-unmark-as-processable 1))) |
16409b0b | 217 | |
eec82323 LMI |
218 | (defun gnus-pick-mouse-pick (e) |
219 | (interactive "e") | |
220 | (mouse-set-point e) | |
221 | (save-excursion | |
222 | (gnus-summary-mark-as-processable 1))) | |
223 | ||
224 | (defun gnus-pick-mouse-pick-region (start-event) | |
225 | "Pick articles that the mouse is dragged over. | |
226 | This must be bound to a button-down mouse event." | |
227 | (interactive "e") | |
228 | (mouse-minibuffer-check start-event) | |
229 | (let* ((echo-keystrokes 0) | |
230 | (start-posn (event-start start-event)) | |
231 | (start-point (posn-point start-posn)) | |
9b40100a | 232 | (start-line (1+ (count-lines (point-min) start-point))) |
eec82323 | 233 | (start-window (posn-window start-posn)) |
6748645f | 234 | (bounds (gnus-window-edges start-window)) |
eec82323 LMI |
235 | (top (nth 1 bounds)) |
236 | (bottom (if (window-minibuffer-p start-window) | |
237 | (nth 3 bounds) | |
238 | ;; Don't count the mode line. | |
239 | (1- (nth 3 bounds)))) | |
240 | (click-count (1- (event-click-count start-event)))) | |
241 | (setq mouse-selection-click-count click-count) | |
242 | (setq mouse-selection-click-count-buffer (current-buffer)) | |
243 | (mouse-set-point start-event) | |
23f87bed | 244 | ;; In case the down click is in the middle of some intangible text, |
eec82323 LMI |
245 | ;; use the end of that text, and put it in START-POINT. |
246 | (when (< (point) start-point) | |
247 | (goto-char start-point)) | |
248 | (gnus-pick-article) | |
249 | (setq start-point (point)) | |
250 | ;; end-of-range is used only in the single-click case. | |
251 | ;; It is the place where the drag has reached so far | |
252 | ;; (but not outside the window where the drag started). | |
6748645f | 253 | (let (event end end-point (end-of-range (point))) |
eec82323 | 254 | (track-mouse |
23f87bed MB |
255 | (while (progn |
256 | (setq event (cdr (gnus-read-event-char))) | |
257 | (or (mouse-movement-p event) | |
258 | (eq (car-safe event) 'switch-frame))) | |
259 | (if (eq (car-safe event) 'switch-frame) | |
260 | nil | |
261 | (setq end (event-end event) | |
262 | end-point (posn-point end)) | |
263 | ||
264 | (cond | |
265 | ;; Are we moving within the original window? | |
266 | ((and (eq (posn-window end) start-window) | |
267 | (integer-or-marker-p end-point)) | |
9b40100a | 268 | ;; Go to START-POINT first, so that when we move to END-POINT, |
23f87bed MB |
269 | ;; if it's in the middle of intangible text, |
270 | ;; point jumps in the direction away from START-POINT. | |
271 | (goto-char start-point) | |
272 | (goto-char end-point) | |
273 | (gnus-pick-article) | |
274 | ;; In case the user moved his mouse really fast, pick | |
9b40100a SM |
275 | ;; articles on the line between this one and the last one. |
276 | (let* ((this-line (1+ (count-lines (point-min) end-point))) | |
23f87bed MB |
277 | (min-line (min this-line start-line)) |
278 | (max-line (max this-line start-line))) | |
9b40100a | 279 | ;; Why not use `forward-line'? --Stef |
23f87bed MB |
280 | (while (< min-line max-line) |
281 | (goto-line min-line) | |
282 | (gnus-pick-article) | |
283 | (setq min-line (1+ min-line))) | |
284 | (setq start-line this-line)) | |
285 | (when (zerop (% click-count 3)) | |
286 | (setq end-of-range (point)))) | |
287 | (t | |
288 | (let ((mouse-row (cdr (cdr (mouse-position))))) | |
289 | (cond | |
290 | ((null mouse-row)) | |
291 | ((< mouse-row top) | |
292 | (mouse-scroll-subr start-window (- mouse-row top))) | |
293 | ((>= mouse-row bottom) | |
294 | (mouse-scroll-subr start-window | |
295 | (1+ (- mouse-row bottom))))))))))) | |
eec82323 LMI |
296 | (when (consp event) |
297 | (let ((fun (key-binding (vector (car event))))) | |
298 | ;; Run the binding of the terminating up-event, if possible. | |
23f87bed | 299 | ;; In the case of a multiple click, it gives the wrong results, |
eec82323 LMI |
300 | ;; because it would fail to set up a region. |
301 | (when nil | |
23f87bed MB |
302 | ;; (and (= (mod mouse-selection-click-count 3) 0) (fboundp fun)) |
303 | ;; In this case, we can just let the up-event execute normally. | |
eec82323 LMI |
304 | (let ((end (event-end event))) |
305 | ;; Set the position in the event before we replay it, | |
306 | ;; because otherwise it may have a position in the wrong | |
307 | ;; buffer. | |
308 | (setcar (cdr end) end-of-range) | |
309 | ;; Delete the overlay before calling the function, | |
23f87bed | 310 | ;; because delete-overlay increases buffer-modified-tick. |
eec82323 LMI |
311 | (push event unread-command-events)))))))) |
312 | ||
313 | (defun gnus-pick-next-page () | |
314 | "Go to the next page. If at the end of the buffer, start reading articles." | |
315 | (interactive) | |
316 | (let ((scroll-in-place nil)) | |
317 | (condition-case nil | |
318 | (scroll-up) | |
319 | (end-of-buffer (gnus-pick-start-reading))))) | |
320 | ||
321 | ;;; | |
322 | ;;; gnus-binary-mode | |
323 | ;;; | |
324 | ||
325 | (defvar gnus-binary-mode nil | |
326 | "Minor mode for providing a binary group interface in Gnus summary buffers.") | |
327 | ||
328 | (defvar gnus-binary-mode-hook nil | |
329 | "Hook run in summary binary mode buffers.") | |
330 | ||
331 | (defvar gnus-binary-mode-map nil) | |
332 | ||
333 | (unless gnus-binary-mode-map | |
334 | (setq gnus-binary-mode-map (make-sparse-keymap)) | |
335 | ||
336 | (gnus-define-keys | |
16409b0b GM |
337 | gnus-binary-mode-map |
338 | "g" gnus-binary-show-article)) | |
eec82323 LMI |
339 | |
340 | (defun gnus-binary-make-menu-bar () | |
341 | (unless (boundp 'gnus-binary-menu) | |
342 | (easy-menu-define | |
23f87bed MB |
343 | gnus-binary-menu gnus-binary-mode-map "" |
344 | '("Pick" | |
345 | ["Switch binary mode off" gnus-binary-mode t])))) | |
eec82323 LMI |
346 | |
347 | (defun gnus-binary-mode (&optional arg) | |
348 | "Minor mode for providing a binary group interface in Gnus summary buffers." | |
349 | (interactive "P") | |
350 | (when (eq major-mode 'gnus-summary-mode) | |
351 | (make-local-variable 'gnus-binary-mode) | |
352 | (setq gnus-binary-mode | |
353 | (if (null arg) (not gnus-binary-mode) | |
354 | (> (prefix-numeric-value arg) 0))) | |
355 | (when gnus-binary-mode | |
356 | ;; Make sure that we don't select any articles upon group entry. | |
357 | (make-local-variable 'gnus-auto-select-first) | |
358 | (setq gnus-auto-select-first nil) | |
359 | (make-local-variable 'gnus-summary-display-article-function) | |
360 | (setq gnus-summary-display-article-function 'gnus-binary-display-article) | |
361 | ;; Set up the menu. | |
362 | (when (gnus-visual-p 'binary-menu 'menu) | |
363 | (gnus-binary-make-menu-bar)) | |
ead25b5c | 364 | (gnus-add-minor-mode 'gnus-binary-mode " Binary" gnus-binary-mode-map) |
6748645f | 365 | (gnus-run-hooks 'gnus-binary-mode-hook)))) |
eec82323 LMI |
366 | |
367 | (defun gnus-binary-display-article (article &optional all-header) | |
368 | "Run ARTICLE through the binary decode functions." | |
369 | (when (gnus-summary-goto-subject article) | |
23f87bed | 370 | (let ((gnus-view-pseudos (or gnus-view-pseudos 'automatic))) |
eec82323 LMI |
371 | (gnus-uu-decode-uu)))) |
372 | ||
373 | (defun gnus-binary-show-article (&optional arg) | |
374 | "Bypass the binary functions and show the article." | |
375 | (interactive "P") | |
376 | (let (gnus-summary-display-article-function) | |
377 | (gnus-summary-show-article arg))) | |
378 | ||
379 | ;;; | |
380 | ;;; gnus-tree-mode | |
381 | ;;; | |
382 | ||
a8151ef7 LMI |
383 | (defcustom gnus-tree-line-format "%(%[%3,3n%]%)" |
384 | "Format of tree elements." | |
385 | :type 'string | |
386 | :group 'gnus-summary-tree) | |
eec82323 | 387 | |
a8151ef7 | 388 | (defcustom gnus-tree-minimize-window t |
eec82323 LMI |
389 | "If non-nil, minimize the tree buffer window. |
390 | If a number, never let the tree buffer grow taller than that number of | |
a8151ef7 | 391 | lines." |
6748645f LMI |
392 | :type '(choice boolean |
393 | integer) | |
a8151ef7 | 394 | :group 'gnus-summary-tree) |
eec82323 | 395 | |
a8151ef7 LMI |
396 | (defcustom gnus-selected-tree-face 'modeline |
397 | "*Face used for highlighting selected articles in the thread tree." | |
398 | :type 'face | |
399 | :group 'gnus-summary-tree) | |
eec82323 LMI |
400 | |
401 | (defvar gnus-tree-brackets '((?\[ . ?\]) (?\( . ?\)) | |
402 | (?\{ . ?\}) (?< . ?>)) | |
403 | "Brackets used in tree nodes.") | |
404 | ||
405 | (defvar gnus-tree-parent-child-edges '(?- ?\\ ?|) | |
406 | "Characters used to connect parents with children.") | |
407 | ||
a8151ef7 LMI |
408 | (defcustom gnus-tree-mode-line-format "Gnus: %%b %S %Z" |
409 | "*The format specification for the tree mode line." | |
410 | :type 'string | |
411 | :group 'gnus-summary-tree) | |
eec82323 | 412 | |
a8151ef7 | 413 | (defcustom gnus-generate-tree-function 'gnus-generate-vertical-tree |
eec82323 LMI |
414 | "*Function for generating a thread tree. |
415 | Two predefined functions are available: | |
a8151ef7 LMI |
416 | `gnus-generate-horizontal-tree' and `gnus-generate-vertical-tree'." |
417 | :type '(radio (function-item gnus-generate-vertical-tree) | |
418 | (function-item gnus-generate-horizontal-tree) | |
419 | (function :tag "Other" nil)) | |
420 | :group 'gnus-summary-tree) | |
eec82323 | 421 | |
a8151ef7 LMI |
422 | (defcustom gnus-tree-mode-hook nil |
423 | "*Hook run in tree mode buffers." | |
424 | :type 'hook | |
425 | :group 'gnus-summary-tree) | |
eec82323 | 426 | |
23f87bed MB |
427 | (when (featurep 'xemacs) |
428 | (add-hook 'gnus-tree-mode-hook 'gnus-xmas-tree-menu-add) | |
429 | (add-hook 'gnus-tree-mode-hook 'gnus-xmas-switch-horizontal-scrollbar-off)) | |
430 | ||
431 | ||
eec82323 LMI |
432 | ;;; Internal variables. |
433 | ||
434 | (defvar gnus-tree-line-format-alist | |
435 | `((?n gnus-tmp-name ?s) | |
436 | (?f gnus-tmp-from ?s) | |
437 | (?N gnus-tmp-number ?d) | |
438 | (?\[ gnus-tmp-open-bracket ?c) | |
439 | (?\] gnus-tmp-close-bracket ?c) | |
440 | (?s gnus-tmp-subject ?s))) | |
441 | ||
442 | (defvar gnus-tree-mode-line-format-alist gnus-summary-mode-line-format-alist) | |
443 | ||
444 | (defvar gnus-tree-mode-line-format-spec nil) | |
445 | (defvar gnus-tree-line-format-spec nil) | |
446 | ||
447 | (defvar gnus-tree-node-length nil) | |
448 | (defvar gnus-selected-tree-overlay nil) | |
449 | ||
450 | (defvar gnus-tree-displayed-thread nil) | |
16409b0b | 451 | (defvar gnus-tree-inhibit nil) |
eec82323 LMI |
452 | |
453 | (defvar gnus-tree-mode-map nil) | |
454 | (put 'gnus-tree-mode 'mode-class 'special) | |
455 | ||
456 | (unless gnus-tree-mode-map | |
457 | (setq gnus-tree-mode-map (make-keymap)) | |
458 | (suppress-keymap gnus-tree-mode-map) | |
459 | (gnus-define-keys | |
16409b0b GM |
460 | gnus-tree-mode-map |
461 | "\r" gnus-tree-select-article | |
462 | gnus-mouse-2 gnus-tree-pick-article | |
463 | "\C-?" gnus-tree-read-summary-keys | |
464 | "h" gnus-tree-show-summary | |
eec82323 | 465 | |
16409b0b | 466 | "\C-c\C-i" gnus-info-find-node) |
eec82323 LMI |
467 | |
468 | (substitute-key-definition | |
469 | 'undefined 'gnus-tree-read-summary-keys gnus-tree-mode-map)) | |
470 | ||
471 | (defun gnus-tree-make-menu-bar () | |
472 | (unless (boundp 'gnus-tree-menu) | |
473 | (easy-menu-define | |
23f87bed MB |
474 | gnus-tree-menu gnus-tree-mode-map "" |
475 | '("Tree" | |
476 | ["Select article" gnus-tree-select-article t])))) | |
eec82323 LMI |
477 | |
478 | (defun gnus-tree-mode () | |
479 | "Major mode for displaying thread trees." | |
480 | (interactive) | |
6748645f LMI |
481 | (gnus-set-format 'tree-mode) |
482 | (gnus-set-format 'tree t) | |
eec82323 LMI |
483 | (when (gnus-visual-p 'tree-menu 'menu) |
484 | (gnus-tree-make-menu-bar)) | |
485 | (kill-all-local-variables) | |
486 | (gnus-simplify-mode-line) | |
487 | (setq mode-name "Tree") | |
488 | (setq major-mode 'gnus-tree-mode) | |
489 | (use-local-map gnus-tree-mode-map) | |
16409b0b | 490 | (buffer-disable-undo) |
eec82323 LMI |
491 | (setq buffer-read-only t) |
492 | (setq truncate-lines t) | |
493 | (save-excursion | |
494 | (gnus-set-work-buffer) | |
495 | (gnus-tree-node-insert (make-mail-header "") nil) | |
496 | (setq gnus-tree-node-length (1- (point)))) | |
cfcd5c91 | 497 | (gnus-run-mode-hooks 'gnus-tree-mode-hook)) |
eec82323 LMI |
498 | |
499 | (defun gnus-tree-read-summary-keys (&optional arg) | |
500 | "Read a summary buffer key sequence and execute it." | |
501 | (interactive "P") | |
16409b0b GM |
502 | (unless gnus-tree-inhibit |
503 | (let ((buf (current-buffer)) | |
504 | (gnus-tree-inhibit t) | |
505 | win) | |
506 | (set-buffer gnus-article-buffer) | |
507 | (gnus-article-read-summary-keys arg nil t) | |
508 | (when (setq win (get-buffer-window buf)) | |
509 | (select-window win) | |
510 | (when gnus-selected-tree-overlay | |
511 | (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1))) | |
512 | (gnus-tree-minimize))))) | |
eec82323 | 513 | |
a8151ef7 LMI |
514 | (defun gnus-tree-show-summary () |
515 | "Reconfigure windows to show summary buffer." | |
516 | (interactive) | |
517 | (if (not (gnus-buffer-live-p gnus-summary-buffer)) | |
518 | (error "There is no summary buffer for this tree buffer") | |
519 | (gnus-configure-windows 'article) | |
520 | (gnus-summary-goto-subject gnus-current-article))) | |
521 | ||
eec82323 LMI |
522 | (defun gnus-tree-select-article (article) |
523 | "Select the article under point, if any." | |
524 | (interactive (list (gnus-tree-article-number))) | |
525 | (let ((buf (current-buffer))) | |
526 | (when article | |
527 | (save-excursion | |
528 | (set-buffer gnus-summary-buffer) | |
529 | (gnus-summary-goto-article article)) | |
530 | (select-window (get-buffer-window buf))))) | |
531 | ||
532 | (defun gnus-tree-pick-article (e) | |
533 | "Select the article under the mouse pointer." | |
534 | (interactive "e") | |
535 | (mouse-set-point e) | |
536 | (gnus-tree-select-article (gnus-tree-article-number))) | |
537 | ||
538 | (defun gnus-tree-article-number () | |
539 | (get-text-property (point) 'gnus-number)) | |
540 | ||
541 | (defun gnus-tree-article-region (article) | |
542 | "Return a cons with BEG and END of the article region." | |
16409b0b GM |
543 | (let ((pos (text-property-any |
544 | (point-min) (point-max) 'gnus-number article))) | |
eec82323 LMI |
545 | (when pos |
546 | (cons pos (next-single-property-change pos 'gnus-number))))) | |
547 | ||
548 | (defun gnus-tree-goto-article (article) | |
16409b0b GM |
549 | (let ((pos (text-property-any |
550 | (point-min) (point-max) 'gnus-number article))) | |
eec82323 LMI |
551 | (when pos |
552 | (goto-char pos)))) | |
553 | ||
554 | (defun gnus-tree-recenter () | |
555 | "Center point in the tree window." | |
556 | (let ((selected (selected-window)) | |
23f87bed | 557 | (tree-window (gnus-get-buffer-window gnus-tree-buffer t))) |
eec82323 LMI |
558 | (when tree-window |
559 | (select-window tree-window) | |
560 | (when gnus-selected-tree-overlay | |
561 | (goto-char (or (gnus-overlay-end gnus-selected-tree-overlay) 1))) | |
562 | (let* ((top (cond ((< (window-height) 4) 0) | |
563 | ((< (window-height) 7) 1) | |
564 | (t 2))) | |
565 | (height (1- (window-height))) | |
566 | (bottom (save-excursion (goto-char (point-max)) | |
567 | (forward-line (- height)) | |
568 | (point)))) | |
23f87bed | 569 | ;; Set the window start to either `bottom', which is the biggest |
eec82323 LMI |
570 | ;; possible valid number, or the second line from the top, |
571 | ;; whichever is the least. | |
572 | (set-window-start | |
573 | tree-window (min bottom (save-excursion | |
574 | (forward-line (- top)) (point))))) | |
575 | (select-window selected)))) | |
576 | ||
577 | (defun gnus-get-tree-buffer () | |
578 | "Return the tree buffer properly initialized." | |
579 | (save-excursion | |
6748645f | 580 | (set-buffer (gnus-get-buffer-create gnus-tree-buffer)) |
eec82323 | 581 | (unless (eq major-mode 'gnus-tree-mode) |
eec82323 LMI |
582 | (gnus-tree-mode)) |
583 | (current-buffer))) | |
584 | ||
585 | (defun gnus-tree-minimize () | |
586 | (when (and gnus-tree-minimize-window | |
587 | (not (one-window-p))) | |
588 | (let ((windows 0) | |
589 | tot-win-height) | |
590 | (walk-windows (lambda (window) (incf windows))) | |
591 | (setq tot-win-height | |
592 | (- (frame-height) | |
593 | (* window-min-height (1- windows)) | |
594 | 2)) | |
595 | (let* ((window-min-height 2) | |
596 | (height (count-lines (point-min) (point-max))) | |
597 | (min (max (1- window-min-height) height)) | |
598 | (tot (if (numberp gnus-tree-minimize-window) | |
599 | (min gnus-tree-minimize-window min) | |
600 | min)) | |
601 | (win (get-buffer-window (current-buffer))) | |
602 | (wh (and win (1- (window-height win))))) | |
603 | (setq tot (min tot tot-win-height)) | |
604 | (when (and win | |
605 | (not (eq tot wh))) | |
606 | (let ((selected (selected-window))) | |
607 | (when (ignore-errors (select-window win)) | |
608 | (enlarge-window (- tot wh)) | |
609 | (select-window selected)))))))) | |
610 | ||
611 | ;;; Generating the tree. | |
612 | ||
613 | (defun gnus-tree-node-insert (header sparse &optional adopted) | |
614 | (let* ((dummy (stringp header)) | |
615 | (header (if (vectorp header) header | |
616 | (progn | |
617 | (setq header (make-mail-header "*****")) | |
618 | (mail-header-set-number header 0) | |
619 | (mail-header-set-lines header 0) | |
620 | (mail-header-set-chars header 0) | |
621 | header))) | |
622 | (gnus-tmp-from (mail-header-from header)) | |
623 | (gnus-tmp-subject (mail-header-subject header)) | |
624 | (gnus-tmp-number (mail-header-number header)) | |
625 | (gnus-tmp-name | |
626 | (cond | |
627 | ((string-match "(.+)" gnus-tmp-from) | |
628 | (substring gnus-tmp-from | |
629 | (1+ (match-beginning 0)) (1- (match-end 0)))) | |
630 | ((string-match "<[^>]+> *$" gnus-tmp-from) | |
631 | (let ((beg (match-beginning 0))) | |
632 | (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from) | |
633 | (substring gnus-tmp-from (1+ (match-beginning 0)) | |
634 | (1- (match-end 0)))) | |
635 | (substring gnus-tmp-from 0 beg)))) | |
636 | ((memq gnus-tmp-number sparse) | |
637 | "***") | |
638 | (t gnus-tmp-from))) | |
639 | (gnus-tmp-open-bracket | |
640 | (cond ((memq gnus-tmp-number sparse) | |
641 | (caadr gnus-tree-brackets)) | |
642 | (dummy (caaddr gnus-tree-brackets)) | |
643 | (adopted (car (nth 3 gnus-tree-brackets))) | |
644 | (t (caar gnus-tree-brackets)))) | |
645 | (gnus-tmp-close-bracket | |
646 | (cond ((memq gnus-tmp-number sparse) | |
647 | (cdadr gnus-tree-brackets)) | |
648 | (adopted (cdr (nth 3 gnus-tree-brackets))) | |
649 | (dummy | |
650 | (cdaddr gnus-tree-brackets)) | |
651 | (t (cdar gnus-tree-brackets)))) | |
652 | (buffer-read-only nil) | |
653 | beg end) | |
654 | (gnus-add-text-properties | |
655 | (setq beg (point)) | |
656 | (setq end (progn (eval gnus-tree-line-format-spec) (point))) | |
657 | (list 'gnus-number gnus-tmp-number)) | |
658 | (when (or t (gnus-visual-p 'tree-highlight 'highlight)) | |
659 | (gnus-tree-highlight-node gnus-tmp-number beg end)))) | |
660 | ||
661 | (defun gnus-tree-highlight-node (article beg end) | |
662 | "Highlight current line according to `gnus-summary-highlight'." | |
663 | (let ((list gnus-summary-highlight) | |
664 | face) | |
665 | (save-excursion | |
666 | (set-buffer gnus-summary-buffer) | |
667 | (let* ((score (or (cdr (assq article gnus-newsgroup-scored)) | |
668 | gnus-summary-default-score 0)) | |
669 | (default gnus-summary-default-score) | |
23f87bed MB |
670 | (default-high gnus-summary-default-high-score) |
671 | (default-low gnus-summary-default-low-score) | |
672 | (uncached (memq article gnus-newsgroup-undownloaded)) | |
673 | (downloaded (not uncached)) | |
eec82323 LMI |
674 | (mark (or (gnus-summary-article-mark article) gnus-unread-mark))) |
675 | ;; Eval the cars of the lists until we find a match. | |
676 | (while (and list | |
677 | (not (eval (caar list)))) | |
678 | (setq list (cdr list))))) | |
679 | (unless (eq (setq face (cdar list)) (get-text-property beg 'face)) | |
6748645f | 680 | (gnus-put-text-property-excluding-characters-with-faces |
eec82323 LMI |
681 | beg end 'face |
682 | (if (boundp face) (symbol-value face) face))))) | |
683 | ||
684 | (defun gnus-tree-indent (level) | |
685 | (insert (make-string (1- (* (1+ gnus-tree-node-length) level)) ? ))) | |
686 | ||
687 | (defvar gnus-tmp-limit) | |
688 | (defvar gnus-tmp-sparse) | |
689 | (defvar gnus-tmp-indent) | |
690 | ||
691 | (defun gnus-generate-tree (thread) | |
692 | "Generate a thread tree for THREAD." | |
693 | (save-excursion | |
694 | (set-buffer (gnus-get-tree-buffer)) | |
695 | (let ((buffer-read-only nil) | |
696 | (gnus-tmp-indent 0)) | |
697 | (erase-buffer) | |
698 | (funcall gnus-generate-tree-function thread 0) | |
699 | (gnus-set-mode-line 'tree) | |
700 | (goto-char (point-min)) | |
701 | (gnus-tree-minimize) | |
702 | (gnus-tree-recenter) | |
703 | (let ((selected (selected-window))) | |
23f87bed MB |
704 | (when (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t) |
705 | (select-window (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t)) | |
eec82323 LMI |
706 | (gnus-horizontal-recenter) |
707 | (select-window selected)))))) | |
708 | ||
709 | (defun gnus-generate-horizontal-tree (thread level &optional dummyp adopted) | |
710 | "Generate a horizontal tree." | |
711 | (let* ((dummy (stringp (car thread))) | |
712 | (do (or dummy | |
a8151ef7 LMI |
713 | (and (car thread) |
714 | (memq (mail-header-number (car thread)) | |
715 | gnus-tmp-limit)))) | |
eec82323 LMI |
716 | col beg) |
717 | (if (not do) | |
718 | ;; We don't want this article. | |
719 | (setq thread (cdr thread)) | |
720 | (if (not (bolp)) | |
721 | ;; Not the first article on the line, so we insert a "-". | |
722 | (insert (car gnus-tree-parent-child-edges)) | |
723 | ;; If the level isn't zero, then we insert some indentation. | |
724 | (unless (zerop level) | |
725 | (gnus-tree-indent level) | |
726 | (insert (cadr gnus-tree-parent-child-edges)) | |
727 | (setq col (- (setq beg (point)) (gnus-point-at-bol) 1)) | |
728 | ;; Draw "|" lines upwards. | |
729 | (while (progn | |
730 | (forward-line -1) | |
731 | (forward-char col) | |
16409b0b | 732 | (eq (char-after) ? )) |
eec82323 LMI |
733 | (delete-char 1) |
734 | (insert (caddr gnus-tree-parent-child-edges))) | |
735 | (goto-char beg))) | |
736 | (setq dummyp nil) | |
737 | ;; Insert the article node. | |
738 | (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted)) | |
739 | (if (null thread) | |
740 | ;; End of the thread, so we go to the next line. | |
741 | (unless (bolp) | |
742 | (insert "\n")) | |
743 | ;; Recurse downwards in all children of this article. | |
744 | (while thread | |
745 | (gnus-generate-horizontal-tree | |
746 | (pop thread) (if do (1+ level) level) | |
747 | (or dummyp dummy) dummy))))) | |
748 | ||
749 | (defsubst gnus-tree-indent-vertical () | |
750 | (let ((len (- (* (1+ gnus-tree-node-length) gnus-tmp-indent) | |
751 | (- (point) (gnus-point-at-bol))))) | |
752 | (when (> len 0) | |
753 | (insert (make-string len ? ))))) | |
754 | ||
755 | (defsubst gnus-tree-forward-line (n) | |
756 | (while (>= (decf n) 0) | |
757 | (unless (zerop (forward-line 1)) | |
758 | (end-of-line) | |
759 | (insert "\n"))) | |
760 | (end-of-line)) | |
761 | ||
762 | (defun gnus-generate-vertical-tree (thread level &optional dummyp adopted) | |
763 | "Generate a vertical tree." | |
764 | (let* ((dummy (stringp (car thread))) | |
765 | (do (or dummy | |
766 | (and (car thread) | |
767 | (memq (mail-header-number (car thread)) | |
768 | gnus-tmp-limit)))) | |
769 | beg) | |
770 | (if (not do) | |
771 | ;; We don't want this article. | |
772 | (setq thread (cdr thread)) | |
773 | (if (not (save-excursion (beginning-of-line) (bobp))) | |
774 | ;; Not the first article on the line, so we insert a "-". | |
775 | (progn | |
776 | (gnus-tree-indent-vertical) | |
777 | (insert (make-string (/ gnus-tree-node-length 2) ? )) | |
778 | (insert (caddr gnus-tree-parent-child-edges)) | |
779 | (gnus-tree-forward-line 1)) | |
780 | ;; If the level isn't zero, then we insert some indentation. | |
781 | (unless (zerop gnus-tmp-indent) | |
782 | (gnus-tree-forward-line (1- (* 2 level))) | |
783 | (gnus-tree-indent-vertical) | |
784 | (delete-char -1) | |
785 | (insert (cadr gnus-tree-parent-child-edges)) | |
786 | (setq beg (point)) | |
a8151ef7 | 787 | (forward-char -1) |
eec82323 | 788 | ;; Draw "-" lines leftwards. |
9b40100a | 789 | (while (and (not (bobp)) |
16409b0b | 790 | (eq (char-after (1- (point))) ? )) |
a8151ef7 LMI |
791 | (delete-char -1) |
792 | (insert (car gnus-tree-parent-child-edges)) | |
793 | (forward-char -1)) | |
eec82323 LMI |
794 | (goto-char beg) |
795 | (gnus-tree-forward-line 1))) | |
796 | (setq dummyp nil) | |
797 | ;; Insert the article node. | |
798 | (gnus-tree-indent-vertical) | |
799 | (gnus-tree-node-insert (pop thread) gnus-tmp-sparse adopted) | |
800 | (gnus-tree-forward-line 1)) | |
801 | (if (null thread) | |
802 | ;; End of the thread, so we go to the next line. | |
803 | (progn | |
804 | (goto-char (point-min)) | |
805 | (end-of-line) | |
806 | (incf gnus-tmp-indent)) | |
807 | ;; Recurse downwards in all children of this article. | |
808 | (while thread | |
809 | (gnus-generate-vertical-tree | |
810 | (pop thread) (if do (1+ level) level) | |
811 | (or dummyp dummy) dummy))))) | |
812 | ||
813 | ;;; Interface functions. | |
814 | ||
815 | (defun gnus-possibly-generate-tree (article &optional force) | |
816 | "Generate the thread tree for ARTICLE if it isn't displayed already." | |
817 | (when (save-excursion | |
818 | (set-buffer gnus-summary-buffer) | |
819 | (and gnus-use-trees | |
820 | gnus-show-threads | |
821 | (vectorp (gnus-summary-article-header article)))) | |
822 | (save-excursion | |
823 | (let ((top (save-excursion | |
824 | (set-buffer gnus-summary-buffer) | |
825 | (gnus-cut-thread | |
826 | (gnus-remove-thread | |
827 | (mail-header-id | |
828 | (gnus-summary-article-header article)) | |
829 | t)))) | |
830 | (gnus-tmp-limit gnus-newsgroup-limit) | |
831 | (gnus-tmp-sparse gnus-newsgroup-sparse)) | |
832 | (when (or force | |
833 | (not (eq top gnus-tree-displayed-thread))) | |
834 | (gnus-generate-tree top) | |
835 | (setq gnus-tree-displayed-thread top)))))) | |
836 | ||
837 | (defun gnus-tree-open (group) | |
838 | (gnus-get-tree-buffer)) | |
839 | ||
840 | (defun gnus-tree-close (group) | |
6748645f | 841 | (gnus-kill-buffer gnus-tree-buffer)) |
eec82323 | 842 | |
23f87bed MB |
843 | (defun gnus-tree-perhaps-minimize () |
844 | (when (and gnus-tree-minimize-window | |
845 | (get-buffer gnus-tree-buffer)) | |
846 | (save-excursion | |
847 | (set-buffer gnus-tree-buffer) | |
848 | (gnus-tree-minimize)))) | |
849 | ||
eec82323 LMI |
850 | (defun gnus-highlight-selected-tree (article) |
851 | "Highlight the selected article in the tree." | |
852 | (let ((buf (current-buffer)) | |
853 | region) | |
854 | (set-buffer gnus-tree-buffer) | |
855 | (when (setq region (gnus-tree-article-region article)) | |
856 | (when (or (not gnus-selected-tree-overlay) | |
857 | (gnus-extent-detached-p gnus-selected-tree-overlay)) | |
858 | ;; Create a new overlay. | |
859 | (gnus-overlay-put | |
9b40100a SM |
860 | (setq gnus-selected-tree-overlay |
861 | (gnus-make-overlay (point-min) (1+ (point-min)))) | |
eec82323 LMI |
862 | 'face gnus-selected-tree-face)) |
863 | ;; Move the overlay to the article. | |
864 | (gnus-move-overlay | |
865 | gnus-selected-tree-overlay (goto-char (car region)) (cdr region)) | |
866 | (gnus-tree-minimize) | |
867 | (gnus-tree-recenter) | |
868 | (let ((selected (selected-window))) | |
23f87bed MB |
869 | (when (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t) |
870 | (select-window (gnus-get-buffer-window (set-buffer gnus-tree-buffer) t)) | |
eec82323 LMI |
871 | (gnus-horizontal-recenter) |
872 | (select-window selected)))) | |
23f87bed | 873 | ;; If we remove this save-excursion, it updates the wrong mode lines?!? |
eec82323 LMI |
874 | (save-excursion |
875 | (set-buffer gnus-tree-buffer) | |
876 | (gnus-set-mode-line 'tree)) | |
877 | (set-buffer buf))) | |
878 | ||
879 | (defun gnus-tree-highlight-article (article face) | |
880 | (save-excursion | |
881 | (set-buffer (gnus-get-tree-buffer)) | |
882 | (let (region) | |
883 | (when (setq region (gnus-tree-article-region article)) | |
884 | (gnus-put-text-property (car region) (cdr region) 'face face) | |
885 | (set-window-point | |
23f87bed | 886 | (gnus-get-buffer-window (current-buffer) t) (cdr region)))))) |
eec82323 LMI |
887 | |
888 | ;;; | |
889 | ;;; gnus-carpal | |
890 | ;;; | |
891 | ||
892 | (defvar gnus-carpal-group-buffer-buttons | |
893 | '(("next" . gnus-group-next-unread-group) | |
894 | ("prev" . gnus-group-prev-unread-group) | |
895 | ("read" . gnus-group-read-group) | |
896 | ("select" . gnus-group-select-group) | |
897 | ("catch-up" . gnus-group-catchup-current) | |
898 | ("new-news" . gnus-group-get-new-news-this-group) | |
899 | ("toggle-sub" . gnus-group-unsubscribe-current-group) | |
900 | ("subscribe" . gnus-group-unsubscribe-group) | |
901 | ("kill" . gnus-group-kill-group) | |
902 | ("yank" . gnus-group-yank-group) | |
903 | ("describe" . gnus-group-describe-group) | |
904 | "list" | |
905 | ("subscribed" . gnus-group-list-groups) | |
906 | ("all" . gnus-group-list-all-groups) | |
907 | ("killed" . gnus-group-list-killed) | |
908 | ("zombies" . gnus-group-list-zombies) | |
909 | ("matching" . gnus-group-list-matching) | |
910 | ("post" . gnus-group-post-news) | |
911 | ("mail" . gnus-group-mail) | |
23f87bed | 912 | ("local" . (lambda () (interactive) (gnus-group-news 0))) |
eec82323 LMI |
913 | ("rescan" . gnus-group-get-new-news) |
914 | ("browse-foreign" . gnus-group-browse-foreign) | |
915 | ("exit" . gnus-group-exit))) | |
916 | ||
917 | (defvar gnus-carpal-summary-buffer-buttons | |
918 | '("mark" | |
919 | ("read" . gnus-summary-mark-as-read-forward) | |
920 | ("tick" . gnus-summary-tick-article-forward) | |
921 | ("clear" . gnus-summary-clear-mark-forward) | |
922 | ("expirable" . gnus-summary-mark-as-expirable) | |
923 | "move" | |
924 | ("scroll" . gnus-summary-next-page) | |
925 | ("next-unread" . gnus-summary-next-unread-article) | |
926 | ("prev-unread" . gnus-summary-prev-unread-article) | |
927 | ("first" . gnus-summary-first-unread-article) | |
928 | ("best" . gnus-summary-best-unread-article) | |
929 | "article" | |
930 | ("headers" . gnus-summary-toggle-header) | |
931 | ("uudecode" . gnus-uu-decode-uu) | |
932 | ("enter-digest" . gnus-summary-enter-digest-group) | |
933 | ("fetch-parent" . gnus-summary-refer-parent-article) | |
934 | "mail" | |
935 | ("move" . gnus-summary-move-article) | |
936 | ("copy" . gnus-summary-copy-article) | |
937 | ("respool" . gnus-summary-respool-article) | |
938 | "threads" | |
939 | ("lower" . gnus-summary-lower-thread) | |
940 | ("kill" . gnus-summary-kill-thread) | |
941 | "post" | |
942 | ("post" . gnus-summary-post-news) | |
23f87bed MB |
943 | ("local" . gnus-summary-news-other-window) |
944 | ("mail" . gnus-summary-mail-other-window) | |
eec82323 LMI |
945 | ("followup" . gnus-summary-followup-with-original) |
946 | ("reply" . gnus-summary-reply-with-original) | |
947 | ("cancel" . gnus-summary-cancel-article) | |
948 | "misc" | |
949 | ("exit" . gnus-summary-exit) | |
950 | ("fed-up" . gnus-summary-catchup-and-goto-next-group))) | |
951 | ||
952 | (defvar gnus-carpal-server-buffer-buttons | |
953 | '(("add" . gnus-server-add-server) | |
954 | ("browse" . gnus-server-browse-server) | |
955 | ("list" . gnus-server-list-servers) | |
956 | ("kill" . gnus-server-kill-server) | |
957 | ("yank" . gnus-server-yank-server) | |
958 | ("copy" . gnus-server-copy-server) | |
959 | ("exit" . gnus-server-exit))) | |
960 | ||
961 | (defvar gnus-carpal-browse-buffer-buttons | |
962 | '(("subscribe" . gnus-browse-unsubscribe-current-group) | |
963 | ("exit" . gnus-browse-exit))) | |
964 | ||
965 | (defvar gnus-carpal-group-buffer "*Carpal Group*") | |
966 | (defvar gnus-carpal-summary-buffer "*Carpal Summary*") | |
967 | (defvar gnus-carpal-server-buffer "*Carpal Server*") | |
968 | (defvar gnus-carpal-browse-buffer "*Carpal Browse*") | |
969 | ||
970 | (defvar gnus-carpal-attached-buffer nil) | |
971 | ||
972 | (defvar gnus-carpal-mode-hook nil | |
973 | "*Hook run in carpal mode buffers.") | |
974 | ||
975 | (defvar gnus-carpal-button-face 'bold | |
976 | "*Face used on carpal buttons.") | |
977 | ||
978 | (defvar gnus-carpal-header-face 'bold-italic | |
979 | "*Face used on carpal buffer headers.") | |
980 | ||
981 | (defvar gnus-carpal-mode-map nil) | |
982 | (put 'gnus-carpal-mode 'mode-class 'special) | |
983 | ||
984 | (if gnus-carpal-mode-map | |
985 | nil | |
986 | (setq gnus-carpal-mode-map (make-keymap)) | |
987 | (suppress-keymap gnus-carpal-mode-map) | |
988 | (define-key gnus-carpal-mode-map " " 'gnus-carpal-select) | |
989 | (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select) | |
990 | (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select)) | |
991 | ||
992 | (defun gnus-carpal-mode () | |
993 | "Major mode for clicking buttons. | |
994 | ||
995 | All normal editing commands are switched off. | |
996 | \\<gnus-carpal-mode-map> | |
997 | The following commands are available: | |
998 | ||
999 | \\{gnus-carpal-mode-map}" | |
1000 | (interactive) | |
1001 | (kill-all-local-variables) | |
a8151ef7 | 1002 | (setq mode-line-modified (cdr gnus-mode-line-modified)) |
eec82323 LMI |
1003 | (setq major-mode 'gnus-carpal-mode) |
1004 | (setq mode-name "Gnus Carpal") | |
1005 | (setq mode-line-process nil) | |
1006 | (use-local-map gnus-carpal-mode-map) | |
16409b0b | 1007 | (buffer-disable-undo) |
eec82323 LMI |
1008 | (setq buffer-read-only t) |
1009 | (make-local-variable 'gnus-carpal-attached-buffer) | |
cfcd5c91 | 1010 | (gnus-run-mode-hooks 'gnus-carpal-mode-hook)) |
eec82323 LMI |
1011 | |
1012 | (defun gnus-carpal-setup-buffer (type) | |
1013 | (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type))))) | |
1014 | (if (get-buffer buffer) | |
1015 | () | |
1016 | (save-excursion | |
6748645f | 1017 | (set-buffer (gnus-get-buffer-create buffer)) |
eec82323 LMI |
1018 | (gnus-carpal-mode) |
1019 | (setq gnus-carpal-attached-buffer | |
1020 | (intern (format "gnus-%s-buffer" type))) | |
eec82323 LMI |
1021 | (let ((buttons (symbol-value |
1022 | (intern (format "gnus-carpal-%s-buffer-buttons" | |
1023 | type)))) | |
1024 | (buffer-read-only nil) | |
1025 | button) | |
1026 | (while buttons | |
1027 | (setq button (car buttons) | |
1028 | buttons (cdr buttons)) | |
1029 | (if (stringp button) | |
1030 | (gnus-set-text-properties | |
1031 | (point) | |
1032 | (prog2 (insert button) (point) (insert " ")) | |
1033 | (list 'face gnus-carpal-header-face)) | |
1034 | (gnus-set-text-properties | |
1035 | (point) | |
1036 | (prog2 (insert (car button)) (point) (insert " ")) | |
1037 | (list 'gnus-callback (cdr button) | |
1038 | 'face gnus-carpal-button-face | |
1039 | gnus-mouse-face-prop 'highlight)))) | |
1040 | (let ((fill-column (- (window-width) 2))) | |
1041 | (fill-region (point-min) (point-max))) | |
1042 | (set-window-point (get-buffer-window (current-buffer)) | |
1043 | (point-min))))))) | |
1044 | ||
1045 | (defun gnus-carpal-select () | |
1046 | "Select the button under point." | |
1047 | (interactive) | |
1048 | (let ((func (get-text-property (point) 'gnus-callback))) | |
1049 | (if (null func) | |
1050 | () | |
1051 | (pop-to-buffer (symbol-value gnus-carpal-attached-buffer)) | |
1052 | (call-interactively func)))) | |
1053 | ||
1054 | (defun gnus-carpal-mouse-select (event) | |
1055 | "Select the button under the mouse pointer." | |
1056 | (interactive "e") | |
1057 | (mouse-set-point event) | |
1058 | (gnus-carpal-select)) | |
1059 | ||
1060 | ;;; Allow redefinition of functions. | |
1061 | (gnus-ems-redefine) | |
1062 | ||
1063 | (provide 'gnus-salt) | |
1064 | ||
9b40100a | 1065 | ;; arch-tag: 35449164-77b3-4398-bcbd-a2e3e998f810 |
eec82323 | 1066 | ;;; gnus-salt.el ends here |