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comparison lisp/vm/vm-mouse.el @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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-1:000000000000 0:376386a54a3c
1 ;;; Mouse related functions and commands
2 ;;; Copyright (C) 1995 Kyle E. Jones
3 ;;;
4 ;;; This program is free software; you can redistribute it and/or modify
5 ;;; it under the terms of the GNU General Public License as published by
6 ;;; the Free Software Foundation; either version 1, or (at your option)
7 ;;; any later version.
8 ;;;
9 ;;; This program is distributed in the hope that it will be useful,
10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ;;; GNU General Public License for more details.
13 ;;;
14 ;;; You should have received a copy of the GNU General Public License
15 ;;; along with this program; if not, write to the Free Software
16 ;;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 (provide 'vm-mouse)
19
20 (defun vm-mouse-fsfemacs-mouse-p ()
21 (and (vm-fsfemacs-19-p)
22 (fboundp 'set-mouse-position)))
23
24 (defun vm-mouse-xemacs-mouse-p ()
25 (and (vm-xemacs-p)
26 (fboundp 'set-mouse-position)))
27
28 (defun vm-mouse-set-mouse-track-highlight (start end)
29 (cond ((fboundp 'make-overlay)
30 (let ((o (make-overlay start end)))
31 (overlay-put o 'mouse-face 'highlight)))
32 ((fboundp 'make-extent)
33 (let ((o (make-extent start end)))
34 (set-extent-property o 'highlight t)))))
35
36 (defun vm-mouse-button-2 (event)
37 (interactive "e")
38 ;; go to where the event occurred
39 (cond ((vm-mouse-xemacs-mouse-p)
40 (set-buffer (window-buffer (event-window event)))
41 (and (event-point event) (goto-char (event-point event))))
42 ((vm-mouse-fsfemacs-mouse-p)
43 (set-buffer (window-buffer (posn-window (event-start event))))
44 (goto-char (posn-point (event-start event)))))
45 ;; now dispatch depending on where we are
46 (cond ((eq major-mode 'vm-summary-mode)
47 (mouse-set-point event)
48 (beginning-of-line)
49 (if (let ((vm-follow-summary-cursor t))
50 (vm-follow-summary-cursor))
51 (progn
52 (vm-select-folder-buffer)
53 (vm-preview-current-message))
54 (setq this-command 'vm-scroll-forward)
55 (call-interactively 'vm-scroll-forward)))
56 ((memq major-mode '(vm-mode vm-virtual-mode))
57 (cond ((and (vm-mouse-fsfemacs-mouse-p) vm-url-browser)
58 (vm-mouse-popup-or-select event))))))
59
60 (defun vm-mouse-button-3 (event)
61 (interactive "e")
62 (if vm-use-menus
63 (progn
64 ;; go to where the event occurred
65 (cond ((vm-mouse-xemacs-mouse-p)
66 (set-buffer (window-buffer (event-window event)))
67 (and (event-point event) (goto-char (event-point event))))
68 ((vm-mouse-fsfemacs-mouse-p)
69 (set-buffer (window-buffer (posn-window (event-start event))))
70 (goto-char (posn-point (event-start event)))))
71 ;; now dispatch depending on where we are
72 (cond ((eq major-mode 'vm-summary-mode)
73 (vm-menu-popup-mode-menu event))
74 ((eq major-mode 'vm-mode)
75 (vm-menu-popup-context-menu event))
76 ((eq major-mode 'vm-virtual-mode)
77 (vm-menu-popup-context-menu event))
78 ((eq major-mode 'mail-mode)
79 (vm-menu-popup-mode-menu event))))))
80
81 (defun vm-mouse-3-help (object)
82 "Use mouse button 3 to see a menu of options.")
83
84 (defun vm-mouse-get-mouse-track-string (event)
85 (save-excursion
86 ;; go to where the event occurred
87 (cond ((vm-mouse-xemacs-mouse-p)
88 (set-buffer (window-buffer (event-window event)))
89 (and (event-point event) (goto-char (event-point event))))
90 ((vm-mouse-fsfemacs-mouse-p)
91 (set-buffer (window-buffer (posn-window (event-start event))))
92 (goto-char (posn-point (event-start event)))))
93 (cond ((fboundp 'overlays-at)
94 (let ((o-list (overlays-at (point)))
95 (string nil))
96 (while o-list
97 (if (overlay-get (car o-list) 'mouse-face)
98 (setq string (vm-buffer-substring-no-properties
99 (overlay-start (car o-list))
100 (overlay-end (car o-list)))
101 o-list nil)
102 (setq o-list (cdr o-list))))
103 string ))
104 ((fboundp 'extent-at)
105 (let ((e (extent-at (point) nil 'highlight)))
106 (if e
107 (buffer-substring (extent-start-position e)
108 (extent-end-position e))
109 nil)))
110 (t nil))))
111
112 (defun vm-mouse-popup-or-select (event)
113 (interactive "e")
114 (cond ((vm-mouse-fsfemacs-mouse-p)
115 (set-buffer (window-buffer (posn-window (event-start event))))
116 (goto-char (posn-point (event-start event)))
117 (let (o-list o menu (found nil))
118 (setq o-list (overlays-at (point)))
119 (while (and o-list (not found))
120 (cond ((overlay-get (car o-list) 'vm-url)
121 (setq found t)
122 (vm-mouse-send-url-at-event event)))
123 (setq o-list (cdr o-list)))
124 (and (not found) (vm-menu-popup-context-menu event))))
125 ;; The XEmacs code is not actually used now, since all
126 ;; selectable objects are handled by an extent keymap
127 ;; binding that points to a more specific function. But
128 ;; this might come in handy later if I want selectable
129 ;; objects that don't have an extent attached.
130 ((vm-mouse-xemacs-mouse-p)
131 (set-buffer (window-buffer (event-window event)))
132 (and (event-point event) (goto-char (event-point event)))
133 (if (extent-at (point) (current-buffer) 'vm-url)
134 (vm-mouse-send-url-at-event event)
135 (vm-menu-popup-context-menu event)))))
136
137 (defun vm-mouse-send-url-at-event (event)
138 (interactive "e")
139 (cond ((vm-mouse-xemacs-mouse-p)
140 (set-buffer (window-buffer (event-window event)))
141 (and (event-point event) (goto-char (event-point event)))
142 (vm-mouse-send-url-at-position (event-point event)))
143 ((vm-mouse-fsfemacs-mouse-p)
144 (set-buffer (window-buffer (posn-window (event-start event))))
145 (goto-char (posn-point (event-start event)))
146 (vm-mouse-send-url-at-position (posn-point (event-start event))))))
147
148 (defun vm-mouse-send-url-at-position (pos &optional browser)
149 (cond ((vm-mouse-xemacs-mouse-p)
150 (let ((e (extent-at pos (current-buffer) 'vm-url))
151 url)
152 (if (null e)
153 nil
154 (setq url (buffer-substring (extent-start-position e)
155 (extent-end-position e)))
156 (vm-mouse-send-url url browser))))
157 ((vm-mouse-fsfemacs-mouse-p)
158 (let (o-list url o)
159 (setq o-list (overlays-at pos))
160 (while (and o-list (null (overlay-get (car o-list) 'vm-url)))
161 (setq o-list (cdr o-list)))
162 (if (null o-list)
163 nil
164 (setq o (car o-list))
165 (setq url (vm-buffer-substring-no-properties
166 (overlay-start o)
167 (overlay-end o)))
168 (vm-mouse-send-url url browser))))))
169
170 (defun vm-mouse-send-url (url &optional browser)
171 (let ((browser (or browser vm-url-browser)))
172 (cond ((symbolp browser)
173 (funcall browser url))
174 ((stringp browser)
175 (vm-unsaved-message "Sending URL to %s..." browser)
176 (vm-run-background-command browser url)
177 (vm-unsaved-message "Sending URL to %s... done" browser)))))
178
179 (defun vm-mouse-send-url-to-netscape (url &optional new-netscape new-window)
180 (vm-unsaved-message "Sending URL to Netscape...")
181 (if new-netscape
182 (vm-run-background-command vm-netscape-program url)
183 (or (equal 0 (vm-run-command vm-netscape-program "-remote"
184 (concat "openURL(" url
185 (if new-window ", new-window" "")
186 ")")))
187 (vm-mouse-send-url-to-netscape url t new-window)))
188 (vm-unsaved-message "Sending URL to Netscape... done"))
189
190 (defun vm-mouse-send-url-to-mosaic (url &optional new-mosaic new-window)
191 (vm-unsaved-message "Sending URL to Mosaic...")
192 (if (null new-mosaic)
193 (let ((pid-file "~/.mosaicpid")
194 (work-buffer " *mosaic work*")
195 pid)
196 (cond ((file-exists-p pid-file)
197 (set-buffer (get-buffer-create work-buffer))
198 (erase-buffer)
199 (insert-file-contents pid-file)
200 (setq pid (int-to-string (string-to-int (buffer-string))))
201 (erase-buffer)
202 (insert (if new-window "newwin" "goto") ?\n)
203 (insert url ?\n)
204 (write-region (point-min) (point-max)
205 (concat "/tmp/Mosaic." pid)
206 nil 0)
207 (set-buffer-modified-p nil)
208 (kill-buffer work-buffer)))
209 (cond ((or (null pid)
210 (not (equal 0 (vm-run-command "kill" "-USR1" pid))))
211 (setq new-mosaic t)))))
212 (if new-mosaic
213 (vm-run-background-command vm-mosaic-program url))
214 (vm-unsaved-message "Sending URL to Mosaic... done"))
215
216
217 (defun vm-mouse-install-mouse ()
218 (cond ((vm-mouse-xemacs-mouse-p)
219 (if (null (lookup-key vm-mode-map 'button2))
220 (define-key vm-mode-map 'button2 'vm-mouse-button-2)))
221 ((vm-mouse-fsfemacs-mouse-p)
222 (if (null (lookup-key vm-mode-map [mouse-2]))
223 (define-key vm-mode-map [mouse-2] 'vm-mouse-button-2))
224 (if (null (lookup-key vm-mode-map [down-mouse-3]))
225 (progn
226 (define-key vm-mode-map [mouse-3] 'ignore)
227 (define-key vm-mode-map [down-mouse-3] 'vm-mouse-button-3))))))
228
229 (defun vm-run-background-command (command &rest arg-list)
230 (apply (function call-process) command nil 0 nil arg-list))
231
232 (defun vm-run-command (command &rest arg-list)
233 (apply (function call-process) command nil nil nil arg-list))
234
235 ;; stupid yammering compiler
236 (defvar vm-mouse-read-file-name-prompt)
237 (defvar vm-mouse-read-file-name-dir)
238 (defvar vm-mouse-read-file-name-default)
239 (defvar vm-mouse-read-file-name-must-match)
240 (defvar vm-mouse-read-file-name-initial)
241 (defvar vm-mouse-read-file-name-history)
242 (defvar vm-mouse-read-file-name-return-value)
243
244 (defun vm-mouse-read-file-name (prompt &optional dir default
245 must-match initial history)
246 "Like read-file-name, except uses a mouse driven interface.
247 HISTORY argument is ignored."
248 (save-excursion
249 (or dir (setq dir default-directory))
250 (set-buffer (generate-new-buffer " *Files*"))
251 (use-local-map (make-sparse-keymap))
252 (setq buffer-read-only t
253 default-directory dir)
254 (make-local-variable 'vm-mouse-read-file-name-prompt)
255 (make-local-variable 'vm-mouse-read-file-name-dir)
256 (make-local-variable 'vm-mouse-read-file-name-default)
257 (make-local-variable 'vm-mouse-read-file-name-must-match)
258 (make-local-variable 'vm-mouse-read-file-name-initial)
259 (make-local-variable 'vm-mouse-read-file-name-history)
260 (make-local-variable 'vm-mouse-read-file-name-return-value)
261 (setq vm-mouse-read-file-name-prompt prompt)
262 (setq vm-mouse-read-file-name-dir dir)
263 (setq vm-mouse-read-file-name-default default)
264 (setq vm-mouse-read-file-name-must-match must-match)
265 (setq vm-mouse-read-file-name-initial initial)
266 (setq vm-mouse-read-file-name-history history)
267 (setq vm-mouse-read-file-name-prompt prompt)
268 (setq vm-mouse-read-file-name-return-value nil)
269 (save-excursion
270 (vm-goto-new-frame 'completion))
271 (switch-to-buffer (current-buffer))
272 (vm-mouse-read-file-name-event-handler)
273 (save-excursion
274 (local-set-key "\C-g" 'vm-mouse-read-file-name-quit-handler)
275 (recursive-edit))
276 ;; buffer could have been killed
277 (and (boundp 'vm-mouse-read-file-name-return-value)
278 (prog1
279 vm-mouse-read-file-name-return-value
280 (kill-buffer (current-buffer))))))
281
282 (defun vm-mouse-read-file-name-event-handler (&optional string)
283 (let ((key-doc "Click here for keyboard interface.")
284 start list)
285 (if string
286 (cond ((equal string key-doc)
287 (condition-case nil
288 (save-excursion
289 (save-excursion
290 (let ((vm-mutable-frames t))
291 (vm-delete-windows-or-frames-on (current-buffer))))
292 (setq vm-mouse-read-file-name-return-value
293 (vm-keyboard-read-file-name
294 vm-mouse-read-file-name-prompt
295 vm-mouse-read-file-name-dir
296 vm-mouse-read-file-name-default
297 vm-mouse-read-file-name-must-match
298 vm-mouse-read-file-name-initial
299 vm-mouse-read-file-name-history))
300 (vm-mouse-read-file-name-quit-handler t))
301 (quit (vm-mouse-read-file-name-quit-handler))))
302 ((file-directory-p string)
303 (setq default-directory (expand-file-name string)))
304 (t (setq vm-mouse-read-file-name-return-value
305 (expand-file-name string))
306 (vm-mouse-read-file-name-quit-handler t))))
307 (setq buffer-read-only nil)
308 (erase-buffer)
309 (setq start (point))
310 (insert vm-mouse-read-file-name-prompt)
311 (vm-set-region-face start (point) 'bold)
312 (cond ((and (not string) vm-mouse-read-file-name-default)
313 (setq start (point))
314 (insert vm-mouse-read-file-name-default)
315 (vm-mouse-set-mouse-track-highlight start (point)))
316 ((not string) nil)
317 (t (insert default-directory)))
318 (insert ?\n ?\n)
319 (setq start (point))
320 (insert key-doc)
321 (vm-mouse-set-mouse-track-highlight start (point))
322 (vm-set-region-face start (point) 'italic)
323 (insert ?\n ?\n)
324 (setq list (directory-files default-directory))
325 (vm-show-list list 'vm-mouse-read-file-name-event-handler)
326 (setq buffer-read-only t)))
327
328 (defun vm-mouse-read-file-name-quit-handler (&optional normal-exit)
329 (interactive)
330 (let ((vm-mutable-frames t))
331 (vm-delete-windows-or-frames-on (current-buffer))
332 (if normal-exit
333 (throw 'exit nil)
334 (throw 'exit t))))
335
336 (defvar vm-mouse-read-string-prompt)
337 (defvar vm-mouse-read-string-completion-list)
338 (defvar vm-mouse-read-string-multi-word)
339 (defvar vm-mouse-read-string-return-value)
340
341 (defun vm-mouse-read-string (prompt completion-list &optional multi-word)
342 (save-excursion
343 (set-buffer (generate-new-buffer " *Choices*"))
344 (use-local-map (make-sparse-keymap))
345 (setq buffer-read-only t)
346 (make-local-variable 'vm-mouse-read-string-prompt)
347 (make-local-variable 'vm-mouse-read-string-completion-list)
348 (make-local-variable 'vm-mouse-read-string-multi-word)
349 (make-local-variable 'vm-mouse-read-string-return-value)
350 (setq vm-mouse-read-string-prompt prompt)
351 (setq vm-mouse-read-string-completion-list completion-list)
352 (setq vm-mouse-read-string-multi-word multi-word)
353 (setq vm-mouse-read-string-return-value nil)
354 (save-excursion
355 (vm-goto-new-frame 'completion))
356 (switch-to-buffer (current-buffer))
357 (vm-mouse-read-string-event-handler)
358 (save-excursion
359 (local-set-key "\C-g" 'vm-mouse-read-string-quit-handler)
360 (recursive-edit))
361 ;; buffer could have been killed
362 (and (boundp 'vm-mouse-read-string-return-value)
363 (prog1
364 (if (listp vm-mouse-read-string-return-value)
365 (mapconcat 'identity vm-mouse-read-string-return-value " ")
366 vm-mouse-read-string-return-value)
367 (kill-buffer (current-buffer))))))
368
369 (defun vm-mouse-read-string-event-handler (&optional string)
370 (let ((key-doc "Click here for keyboard interface.")
371 (bs-doc " .... to go back one word.")
372 (done-doc " .... to when you're done.")
373 start list)
374 (if string
375 (cond ((equal string key-doc)
376 (condition-case nil
377 (save-excursion
378 (save-excursion
379 (let ((vm-mutable-frames t))
380 (vm-delete-windows-or-frames-on (current-buffer))))
381 (setq vm-mouse-read-string-return-value
382 (vm-keyboard-read-string
383 vm-mouse-read-string-prompt
384 vm-mouse-read-string-completion-list
385 vm-mouse-read-string-multi-word))
386 (vm-mouse-read-string-quit-handler t))
387 (quit (vm-mouse-read-string-quit-handler))))
388 ((equal string bs-doc)
389 (setq vm-mouse-read-string-return-value
390 (nreverse
391 (cdr
392 (nreverse vm-mouse-read-string-return-value)))))
393 ((equal string done-doc)
394 (vm-mouse-read-string-quit-handler t))
395 (t (setq vm-mouse-read-string-return-value
396 (nconc vm-mouse-read-string-return-value
397 (list string)))
398 (if (null vm-mouse-read-string-multi-word)
399 (vm-mouse-read-string-quit-handler t)))))
400 (setq buffer-read-only nil)
401 (erase-buffer)
402 (setq start (point))
403 (insert vm-mouse-read-string-prompt)
404 (vm-set-region-face start (point) 'bold)
405 (insert (mapconcat 'identity vm-mouse-read-string-return-value " "))
406 (insert ?\n ?\n)
407 (setq start (point))
408 (insert key-doc)
409 (vm-mouse-set-mouse-track-highlight start (point))
410 (vm-set-region-face start (point) 'italic)
411 (insert ?\n)
412 (if vm-mouse-read-string-multi-word
413 (progn
414 (setq start (point))
415 (insert bs-doc)
416 (vm-mouse-set-mouse-track-highlight start (point))
417 (vm-set-region-face start (point) 'italic)
418 (insert ?\n)
419 (setq start (point))
420 (insert done-doc)
421 (vm-mouse-set-mouse-track-highlight start (point))
422 (vm-set-region-face start (point) 'italic)
423 (insert ?\n)))
424 (insert ?\n)
425 (vm-show-list vm-mouse-read-string-completion-list
426 'vm-mouse-read-string-event-handler)
427 (setq buffer-read-only t)))
428
429 (defun vm-mouse-read-string-quit-handler (&optional normal-exit)
430 (interactive)
431 (let ((vm-mutable-frames t))
432 (vm-delete-windows-or-frames-on (current-buffer))
433 (if normal-exit
434 (throw 'exit nil)
435 (throw 'exit t))))