lyskom-buttons.el 40.4 KB
Newer Older
David Byers's avatar
David Byers committed
1
;;;;; -*-coding: iso-8859-1;-*-
2
;;;;;
3
;;;; $Id$
4
;;;;; Copyright (C) 1991, 1996  Lysator Academic Computer Association.
5
6
7
8
9
;;;;;
;;;;; This file is part of the LysKOM server.
;;;;; 
;;;;; LysKOM is free software; you can redistribute it and/or modify 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) 
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
;;;;; any later version.
;;;;; 
;;;;; LysKOM is distributed in the hope that it will be useful, but WITHOUT
;;;;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
;;;;; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
;;;;; for more details.
;;;;; 
;;;;; You should have received a copy of the GNU General Public License
;;;;; along with LysKOM; see the file COPYING.  If not, write to
;;;;; Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
;;;;; or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, 
;;;;; MA 02139, USA.
;;;;;
;;;;; Please mail bug reports to bug-lyskom@lysator.liu.se. 
;;;;;
;;;; ================================================================
;;;; ================================================================
;;;;
;;;; File: lyskom-buttons.el
;;;; Author: David Byers
;;;;
;;;;

34

35
36
37
38
39
40
41
42
43
44
45
46
47
(setq lyskom-clientversion-long 
      (concat lyskom-clientversion-long
	      "$Id$\n"))

(lyskom-external-function glyph-property)
(lyskom-external-function widget-at)
(lyskom-external-function widget-get)
(lyskom-external-function w3-widget-button-click)
(lyskom-external-function w3-popup-menu)
(lyskom-external-function Info-goto-node)
(lyskom-external-function term-char-mode)


David Byers's avatar
X    
David Byers committed
48
49
50
(defun lyskom-menu-selection nil
  "Variable used to work around the handling of menus in XEmacs.")

51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
(defun lyskom-add-button-action (type text func)
  "Add a new action to the popup menu for a class of objects.
Arguments are TYPE, the type of object to adjust, TEXT the menu text
for the action and FUNC, the function to call when the action is
selected. By default TYPE may be any one of text, conf, pers or url 
although users can add other types.

FUNC must be a function with three arguments, BUFFER, ARGUMENT and
TEXT.  BUFFER is the LysKOM buffer that the command should use, TEXT
is the text of the selected button and ARGUMENT is the data argument
associated with the object. For button type text it is a text
number. For types conf and pers it is the conference number for the
object. For URLs it is the text of the URL (a string) or NIL. For
other (user-defined) types, it is a string.

For more information on button types and arguments, see the
documentation for the variable lyskom-text-buttons."
  (nconc (nth 3 (assq type lyskom-button-actions))
	 (list (cons text func))))

(defun lyskom-set-default-button-action (type func)
  "Set the default action for buttons of the type TYPE to FUNC. 

FUNC must be a valid button action function. For more information
on such functions see the documentation for lyskom-add-button-action."
  (let ((el (assq type lyskom-button-actions)))
    (setcdr (nthcdr 1 el)
	    (cons func (nthcdr 3 el)))))
      


82
(defun kom-previous-link (num)
83
  "Move the cursor to the previous active area in the LysKOM buffer."
84
  (interactive "p")
85
  (lyskom-prev-area num 'lyskom-button-text))
86
87

(defun kom-next-link (num)
88
  "Move the cursor to the next active area in the LysKOM buffer."
89
  (interactive "p")
90
  (lyskom-next-area num 'lyskom-button-text))
91
92


David Byers's avatar
X    
David Byers committed
93
(defun kom-button-press ()
94
  "Simulate a mouse button press at point."
95
  (interactive)
David Byers's avatar
X    
David Byers committed
96
  (lyskom-button-press (point)))
97

98
99
100
101
102
(defun kom-menu-button-press ()
  "Simulate a menu mouse button press at point."
  (interactive)
  (lyskom-button-menu (point) 'key))

David Byers's avatar
David Byers committed
103
104
105
106
(defun kom-button-click (event &optional do-default)
  "Execute the default action of the active area under the mouse.
If optional argument do-default is non-nil, call the default binding of
this-command-keys."
107
  (interactive "@e")
David Byers's avatar
David Byers committed
108
109
110
111
112
113
  (let* ((pos (event-point event))
         (glyph (event-glyph event))
         (widget (and pos 
                      (or (and glyph (glyph-property glyph 'widget))
                          (widget-at pos))))
         (parent (and widget (widget-get widget ':parent)))
David Byers's avatar
David Byers committed
114
115
116
         (href (or (and widget (widget-get widget ':href))
                   (and parent (widget-get parent ':href))
                   (and widget (widget-get widget 'href))
David Byers's avatar
David Byers committed
117
                   (and parent (widget-get parent 'href)))))
118
119
    (cond (href (require 'w3)
                (w3-widget-button-click event))
David Byers's avatar
David Byers committed
120
121
122
123
124
125
          ((and do-default
                (or (null pos)
                    (null (get-text-property pos 'lyskom-button-type))))
           (let ((fn (lookup-key global-map (this-command-keys))))
             (when (commandp fn)
               (call-interactively fn))))
David Byers's avatar
David Byers committed
126
127
          (t (lyskom-button-press pos)))))

David Byers's avatar
David Byers committed
128
129
130
131
132
133
(defun kom-button-click-or-yank (event)
  "Execute the default action of the active area under the mouse.
If there is no active area, then do something else."
  (interactive "@e")
  (kom-button-click event t))

David Byers's avatar
X    
David Byers committed
134
(defun kom-popup-menu (event)
135
136
  "Pop up a menu of actions to be taken at the active area under the mouse."
  (interactive "@e")
David Byers's avatar
David Byers committed
137
138
139
140
141
142
  (let* ((pos (event-point event))
         (glyph (event-glyph event))
         (widget (and pos 
                      (or (and glyph (glyph-property glyph 'widget))
                          (widget-at pos))))
         (parent (and widget (widget-get widget ':parent)))
David Byers's avatar
David Byers committed
143
144
145
         (href (or (and widget (widget-get widget ':href))
                   (and parent (widget-get parent ':href))
                   (and widget (widget-get widget 'href))
David Byers's avatar
David Byers committed
146
                   (and parent (widget-get parent 'href)))))
147
148
    (cond (href (require 'w3)
                (w3-popup-menu event))
David Byers's avatar
David Byers committed
149
150
151
          ((and pos (get-text-property pos 'lyskom-button-type))
           (lyskom-button-menu pos event))
          (t (lyskom-background-menu pos event)))))
David Kågedal's avatar
David Kågedal committed
152
  
David Kågedal's avatar
David Kågedal committed
153
154
(defun kom-mouse-null (event)
  "Do nothing."
155
  (interactive "@e")
David Kågedal's avatar
David Kågedal committed
156
  ;; This is here to pervent unwanted events when clicking mouse-3
157
  )
David Kågedal's avatar
David Kågedal committed
158

David Byers's avatar
X    
David Byers committed
159
(defun lyskom-make-button-menu (title entries buf arg text)
160
  "Create a menu keymap from a list of button actions."
David Kågedal's avatar
David Kågedal committed
161
162
163
  ;; Use the command as the event for simplicity.  Note that the menu
  ;; function alters the menu, so we copy the entries to prevent it
  ;; from fiddling with lyskom-button-actions.
David Byers's avatar
X    
David Byers committed
164
  (cond ((string-match "XEmacs" (emacs-version))
165
         (cons (encode-coding-string title 'iso-8859-1)
David Byers's avatar
X    
David Byers committed
166
167
               (mapcar (function
                        (lambda (entry)
David Byers's avatar
David Byers committed
168
169
                          (vector (encode-coding-string
                                   (car entry) 'iso-8859-1)
David Byers's avatar
David Byers committed
170
171
172
173
174
175
                                  (list (cdr entry)
                                        buf
                                        (if (listp arg)
                                            (list 'quote arg)
                                          arg)
                                        text)
David Byers's avatar
X    
David Byers committed
176
177
178
                                  ':active t)))
                       entries)))
        (t (append (list 'keymap title)
David Byers's avatar
David Byers committed
179
180
181
182
183
184
185
186
187
188
                   (mapcar (function (lambda (entry)
                                       (let ((tmp (copy-tree entry)))
                                         (setcar tmp (encode-coding-string 
                                                      (car tmp)
                                                      'iso-8859-1))
                                         (cons (` ((, (cdr entry)) 
                                                   (, buf)
                                                   (, arg)
                                                   (, text)))
                                               tmp))))
David Byers's avatar
X    
David Byers committed
189
190
191
                           entries)))))


192

David Kågedal's avatar
David Kågedal committed
193
(defun lyskom-button-menu (pos event)
David Byers's avatar
X    
David Byers committed
194
  "Internal function used by kom-popup-menu"
195
196
197
198
199
  (let* ((type  (get-text-property pos 'lyskom-button-type))
         (arg   (get-text-property pos 'lyskom-button-arg))
         (text  (get-text-property pos 'lyskom-button-text))
         (buf   (get-text-property pos 'lyskom-buffer))
         (data  (assq type lyskom-button-actions))
David Byers's avatar
David Byers committed
200
201
202
203
204
205
206
207
208
         (title (if (get-text-property pos 'lyskom-button-menu-title)
                    (apply 'lyskom-format
                           (get-text-property pos 'lyskom-button-menu-title))
                  (lyskom-format 
                   (lyskom-get-string
                    (or (intern-soft (concat (symbol-name type)
                                             "-popup-title"))
                        'generic-popup-title))
                   text)))
209
210
211
212
         (actl  (or (and data (elt data 3)) nil)))
    (cond ((null data) (goto-char pos))
          ((null actl) (goto-char pos))
          ((null buf) (goto-char pos))
213
          ((null (get-buffer buf))
214
           (lyskom-message "%s" (lyskom-get-string 'no-such-buffer)))
215
216
217
          (t         
           (if (symbolp title) (setq title (lyskom-get-string title)))
           (set-buffer buf)
218
219
220
221
222

	   ;; There is a simple bug in x-popup-menu which causes menus
	   ;; from simple keymaps to be title-less. A list consisting
	   ;; of a single keymap works better. A patch is submittet to
	   ;; the GNU folks. /davidk
223
224
225
226
227
228
229
230
231
	   (if (eq event 'key)
	       (lyskom-keyboard-menu title actl buf arg text)
	     (let* ((menu (lyskom-make-button-menu title actl
						   buf arg text)))
	       (lyskom-do-popup-menu menu event)))))))


(defun lyskom-keyboard-menu (title entries buf arg text)
  "Do a keyboard menu selection."
David Byers's avatar
David Byers committed
232
233
  (let ((prompt nil)
        (maxlen 0)
234
235
        (e entries)
        (completion-ignore-case t))
David Byers's avatar
David Byers committed
236
    (while e
David Byers's avatar
David Byers committed
237
238
      (if (> (lyskom-string-width (car (car e))) maxlen)
          (setq maxlen (lyskom-string-width (car (car e)))))
David Byers's avatar
David Byers committed
239
240
241
      (setq e (cdr e)))
    (setq prompt (concat 
                  (substring title 0
David Byers's avatar
David Byers committed
242
                             (min (lyskom-string-width title)
David Byers's avatar
David Byers committed
243
244
245
246
247
248
249
250
251
                                  (- (window-width (minibuffer-window))
                                     maxlen 3))) ": "))

    (let ((choice (completing-read prompt entries nil t 
                                   (cons (car (car entries)) 0) nil)))
      (when choice
        (funcall (cdr (lyskom-string-assoc choice entries))
                 buf arg text)))))

252
       
David Byers's avatar
X    
David Byers committed
253
254

(defun lyskom-button-press (pos)
255
  "Execute the default action of the active area at POS if any."
David Byers's avatar
David Byers committed
256
257
258
259
260
261
262
263
264
  (when pos
    (let* ((type (get-text-property pos 'lyskom-button-type))
           (arg  (get-text-property pos 'lyskom-button-arg))
           (text (get-text-property pos 'lyskom-button-text))
           (buf  (get-text-property pos 'lyskom-buffer))
           (hint (get-text-property pos 'lyskom-button-hint))
           (data (assq type lyskom-button-actions))
           (act  (or (and kom-use-button-hints hint)
                     (and data (elt data 2)))))
265
                 
David Byers's avatar
David Byers committed
266
267
268
269
270
271
272
273
274
      (cond ((null act) (goto-char pos))
            ((null buf) (goto-char pos))
            ((and buf (null (get-buffer buf))) 
             (lyskom-message "%s" (lyskom-get-string 'no-such-buffer)))
            (t (and buf (set-buffer buf))
               (funcall act
                        buf
                        arg
                        text))))))
275
                      
276

David Byers's avatar
David Byers committed
277
278
279
280
281
282
283
284
285
286
287
288
289
290
(defun lyskom-fix-pseudo-url (url)
  (save-match-data
    (if (not (string-match lyskom-url-protocol-regexp url))
        (cond ((string-match "^www\\." url) 
               (concat "http://" url))
              ((string-match "^ftp\\." url) 
               (concat "ftp://" url))
              ((string-match "^gopher\\." url) 
               (concat "gopher://" url))
              ((string-match "^wais\\." url)
               (concat "wais://" url))
              (t (concat "http://" url)))
      url)))

291

292
(defun lyskom-button-transform-text (text)
293
294
295
296
  "Add text properties to the string TEXT according to the definition of
lyskom-text-buttons. Returns the modified string."
  (let ((blist lyskom-text-buttons)
        (start 0)
297
        (el nil))
298
299
    (while blist
      (setq el (car blist))
David Kågedal's avatar
David Kågedal committed
300
      (setq start 0)
301
      (while (string-match (elt el 0) text start)
302
303
304
        (add-text-properties 
         (match-beginning (or (elt el 2) 0))
         (match-end (or (elt el 2) 0))
305
306
         (cond ((and (eq (elt el 1) 'text)
                     (not lyskom-transforming-external-text))
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
                (lyskom-generate-button 'text
                                        (lyskom-button-get-arg el text)
                                        (lyskom-button-get-text el text)
                                        (lyskom-button-get-face el)))
               ((eq (elt el 1) 'conf)
                (lyskom-generate-button 'conf
                                        (lyskom-button-get-arg el text)
                                        (lyskom-button-get-text el text)
                                        (lyskom-button-get-face el)))
               ((eq (elt el 1) 'pers)
                (lyskom-generate-button 'pers
                                        (lyskom-button-get-arg el text)
                                        (lyskom-button-get-text el text)
                                        (lyskom-button-get-face el)))
               ((eq (elt el 1) 'url)
                (lyskom-generate-button 'url
                                        nil
                                        (lyskom-button-get-text el text)
                                        (lyskom-button-get-face el)))
David Byers's avatar
David Byers committed
326
327
328
329
330
331
332
333
334

               ((eq (elt el 1) 'pseudo-url)
                (let ((url (lyskom-fix-pseudo-url
                            (lyskom-button-get-text el text))))
                  (lyskom-generate-button 'url
                                          nil
                                          url
                                          (lyskom-button-get-face el))))

335
336
337
338
339
340
 	       ((eq (elt el 1) 'info-node)
 		(lyskom-generate-button 'info-node
 					(lyskom-button-get-arg el text)
 					(lyskom-button-get-text el text)
 					(lyskom-button-get-face el)))
               
341
342
343
344
345
               ((eq (elt el 1) 'email)
                (lyskom-generate-button 'email
                                        nil
                                        (lyskom-button-get-text el text)
                                        (lyskom-button-get-face el)))
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
               (t nil))
         text)
        (setq start (match-end 0)))
      (setq blist (cdr blist))))
  text)

(defun lyskom-button-get-arg (el text)
  "Get the button argument for button type EL from TEXT according to
the current match-data."
  (let ((no (or (elt el 3) 0)))
    (substring text (match-beginning no) (match-end no))))

(defun lyskom-button-get-text (el text)
  "Get the button text for button type EL from TEXT according to
the current match-data."
  (let ((no (or (elt el 2) 0)))
    (substring text (match-beginning no) (match-end no))))

(defun lyskom-button-get-face (el)
  "Get the button face for button type EL from TEXT according to
the current match-data."
David Byers's avatar
David Byers committed
367
  (elt el 4))
368

369

370
371
372
373
374
375
376
377
378
379
380
381
382
383
(defun lyskom-get-button-hint (hints)
  "Get the hint to be used right now (if any) from HINTS"
  (let ((result nil)
        (hint nil))
    (while (and hints (null result))
      (setq hint (car hints))
      (setq hints (cdr hints))
      (cond ((null (car hint)) 
             (if (and (eq lyskom-current-function
                          (elt hint 1))
                      (or (null (elt hint 2))
                          (eq lyskom-current-function-phase
                              (elt hint 2))))
                 (setq result (elt hint 3))))
David Byers's avatar
X    
David Byers committed
384
385
386
387
388
389
390
391
392
            ((listp (car hint))
             (if (and lyskom-executing-command
                      (memq lyskom-current-command (car hint)))
                 (setq result (cdr hint))))
            ((symbolp (car hint))
             (if (and lyskom-executing-command
                      lyskom-current-command
                      (eq lyskom-current-command (car hint)))
                 (setq result (cdr hint))))))
393
394
395
    result))


396
	
David Byers's avatar
David Byers committed
397
(defun lyskom-generate-button (type arg &optional text face menu-title)
398
399
  "Generate the properties for a button of type TYPE with argument ARG.
Optional argument TEXT is the button text to be saved as a property and
David Byers's avatar
David Byers committed
400
401
402
FACE is the default text face for the button. Optional argument MENU-TITLE
defines the title for the popup menu. See lyskom-default-button for more
information."
403
404
405
406
407
408
409
410
411
412
413
  (let* ((persno (cond ((boundp 'lyskom-pers-no) lyskom-pers-no)
                       ((and (boundp 'lyskom-buffer) lyskom-buffer)
                        (save-excursion
                          (set-buffer lyskom-buffer)
                          lyskom-pers-no))
                       (t -1)))
         (numarg (cond ((numberp arg) arg)
                       ((stringp arg) (string-to-number arg))
                       (t nil)))
         (data (assq type lyskom-button-actions))
         (hints (and data (elt data 4)))
414
         (the-hint (lyskom-get-button-hint hints))
415
416
417
418
419
420
         (props 
          (cond ((and (or (eq type 'conf) 
                          (eq type 'pers))
                      numarg)
                 (list 'face 
                       (or face
David Byers's avatar
David Byers committed
421
422
                           (cond ((eq persno numarg) 'kom-me-face)
                                 ((memq numarg kom-friends) 'kom-friends-face)
423
                                 ((memq numarg kom-morons) 'kom-morons-face)
David Byers's avatar
David Byers committed
424
                                 (t 'kom-active-face)))
425
426
427
428
                       'mouse-face 'kom-highlight-face
                       'lyskom-button-text text
                       'lyskom-button-type type
                       'lyskom-button-arg numarg
David Byers's avatar
David Byers committed
429
                       'lyskom-button-menu-title menu-title
430
431
                       'lyskom-buffer lyskom-buffer))
                ((and (eq type 'text) numarg)
David Byers's avatar
David Byers committed
432
                 (list 'face (or face 'kom-text-no-face)
433
434
435
436
                       'mouse-face 'kom-highlight-face
                       'lyskom-button-text text
                       'lyskom-button-type type
                       'lyskom-button-arg numarg
David Byers's avatar
David Byers committed
437
                       'lyskom-button-menu-title menu-title
438
439
440
441
442
443
                       'lyskom-buffer lyskom-buffer))
                ((eq type 'url)
                 (list 'face (or face 'kom-active-face)
                       'mouse-face 'kom-highlight-face
                       'lyskom-button-text text
                       'lyskom-button-type type
444
                       'lyskom-button-arg arg
David Byers's avatar
David Byers committed
445
                       'lyskom-button-menu-title menu-title
446
                       'lyskom-buffer lyskom-buffer))
447
448
449
450
451
452
                (t
		 (list 'face (or face 'kom-active-face)
		       'mouse-face 'kom-highlight-face
		       'lyskom-button-text text
		       'lyskom-button-type type
		       'lyskom-button-arg arg
David Byers's avatar
David Byers committed
453
                       'lyskom-button-menu-title menu-title
454
		       'lyskom-buffer lyskom-buffer)))))
455

456
457
458
459
460
    (append (list 'rear-nonsticky t)
	    (if the-hint
		(cons 'lyskom-button-hint
		      (cons the-hint props))
	      props))))
461
462
463
      
        
           
464

David Byers's avatar
David Byers committed
465
(defun lyskom-default-button (type arg &optional menu-title)
466
467
  "Generate a button of type TYPE from data in ARG. ARG can be almost any
type of data and is converted to the proper argument type for buttons of
David Byers's avatar
David Byers committed
468
469
470
471
type TYPE before being send to lyskom-generate-button. Optional argument
MENU-TITLE is a list consisting of a format string or symbol and arguments
for the format string. The arguments are not when the menu is popped
up."
David Kågedal's avatar
David Kågedal committed
472
  (and kom-text-properties
473
       (let (xarg text face)
David Kågedal's avatar
David Kågedal committed
474
475
476
477
478
479
	 (cond ((eq type 'conf)
		(cond ((lyskom-conf-stat-p arg)
		       (if (conf-type->letterbox (conf-stat->conf-type arg))
			   (setq type 'pers))
		       (setq xarg (conf-stat->conf-no arg)
			     text (conf-stat->name arg)))
480
481
482
483
484
                      ((lyskom-uconf-stat-p arg)
		       (if (conf-type->letterbox (uconf-stat->conf-type arg))
			   (setq type 'pers))
		       (setq xarg (uconf-stat->conf-no arg)
			     text (uconf-stat->name arg)))
485
486
487
488
489
490
491
492
493
494
		      ((numberp arg)
                       (if (setq xarg (cache-get-conf-stat arg))
                           (progn
                             (if (conf-type->letterbox
                                  (conf-stat->conf-type xarg))
                                 (setq type 'pers))
                             (setq text (conf-stat->name xarg))
                             (setq xarg (conf-stat->conf-no xarg)))
                         (setq text ""
                               xarg arg)))
David Kågedal's avatar
David Kågedal committed
495
496
497
498
499
		      (t (setq text "" xarg 0))))
	       ((eq type 'pers)
		(cond ((lyskom-conf-stat-p arg)
		       (setq xarg (conf-stat->conf-no arg)
			     text (conf-stat->name arg)))
500
501
502
                      ((lyskom-uconf-stat-p arg)
		       (setq xarg (uconf-stat->conf-no arg)
			     text (uconf-stat->name arg)))		      ((lyskom-pers-stat-p arg)
David Kågedal's avatar
David Kågedal committed
503
		       (setq xarg (pers-stat->pers-no arg)
504
505
506
507
508
509
510
511
512
513
514
			     text 
                             (or (conf-stat->name
                                  (cache-get-conf-stat
                                   (pers-stat->pers-no arg)))
                                 "")))
		      ((numberp arg) 
                       (setq text
                             (or (conf-stat->name
                                  (cache-get-conf-stat arg))
                                 "")
                             xarg arg))
David Kågedal's avatar
David Kågedal committed
515
516
517
518
519
520
521
522
523
524
525
		      (t (setq text "" xarg 0))))
	       ((eq type 'text)
		(cond ((stringp arg) (setq xarg (string-to-number arg)
					   text arg))
		      ((numberp arg) (setq xarg arg
					   text (number-to-string arg)))
		      ((lyskom-text-stat-p arg)
		       (setq xarg (text-stat->text-no arg)
			     text (number-to-string (text-stat->text-no arg))))
		      (t (setq xarg 0 text ""))))
	       ((eq type 'url)
526
                (setq face 'kom-url-face)
David Kågedal's avatar
David Kågedal committed
527
528
		(cond ((stringp arg) (setq xarg nil text arg))
		      (t (setq xarg nil text ""))))
529
530
531
532
533
534

               ((eq type 'email)
                (setq face 'kom-url-face)
                (cond ((stringp arg) (setq xarg nil text arg))
                      (t (setq xarg nil text ""))))

David Kågedal's avatar
David Kågedal committed
535
	       (t (setq xarg arg text "")))
536
	 (lyskom-generate-button type xarg text face menu-title))))
537
538
539
540
                  

           

541
542
543
544
545

;;;========================================
;;; Button actions
;;;

David Byers's avatar
X    
David Byers committed
546

547
548
549
550
551
552
(defun lyskom-button-view-text (buf arg text)
  "In the LysKOM buffer BUF, view the text ARG. Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-view arg))))
David Byers's avatar
David Byers committed
553

David Byers's avatar
David Byers committed
554
555
556
557
558
559
(defun lyskom-button-review-noconversion (buf arg text)
  "In the LysKOM buffer BUF, view the text ARG without conversion. 
Last argument TEXT is ignored. This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-review-noconversion arg))))
David Byers's avatar
David Byers committed
560
561
562
563
564
565
566
567
568
569
570
571
572
573

(defun lyskom-button-review-tree (buf arg text)
  "In the LysKOM buffer BUF, view the text ARG. Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
	(t (pop-to-buffer buf)
	   (kom-review-tree arg))))

(defun lyskom-button-find-root (buf arg text)
  "In the LysKOM buffer BUF, view the text ARG. Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
	(t (pop-to-buffer buf)
	   (kom-find-root arg))))
574

575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
(defun lyskom-button-comment-text (buf arg text)
  "In the LysKOM buffer BUF, comment the text ARG. Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-write-comment arg))))

(defun lyskom-button-private-comment-text (buf arg text)
  "In the LysKOM buffer BUF, write a private comment the text ARG. 
Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-private-answer arg))))

(defun lyskom-button-mark-text (buf arg text)
  "In the LysKOM buffer BUF, mark the text ARG. Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (unwind-protect
               (progn
                 (pop-to-buffer buf)
                 (lyskom-start-of-command 'kom-mark-text)
598
                 (lyskom-mark-text arg))
599
600
601
602
603
604
605
606
607
608
             (lyskom-end-of-command)))))

(defun lyskom-button-unmark-text (buf arg text)
  "In the LysKOM buffer BUF, unmark the text ARG. Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (unwind-protect
               (progn
                 (pop-to-buffer buf)
                 (lyskom-start-of-command 'kom-unmark-text)
609
                 (lyskom-unmark-text arg))
610
611
             (lyskom-end-of-command)))))
  
612

613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
(defun lyskom-button-view-conf-presentation (buf arg text)
  "In the LysKOM buffer BUF, view the presentation of ARG. 
Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-review-presentation arg))))

(defun lyskom-button-view-conf-status (buf arg text)
  "In the LysKOM buffer BUF, view the status of conference ARG. Last argument
TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-status-conf arg))))

(defun lyskom-button-goto-conf (buf arg text)
  "In the LysKOM buffer BUF, go to the conference ARG. Last argument TEXT is
ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-go-to-conf arg))))

(defun lyskom-button-add-self (buf arg text)
  "In the LysKOM buffer buf, add self to conference ARG."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-add-self arg))))

(defun lyskom-button-sub-self (buf arg text)
  "In the LysKOM buffer buf, sub self from conference ARG."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-sub-self arg))))

(defun lyskom-button-view-pers-presentation (buf arg text)
  "In the LysKOM buffer BUF, view the presentation of person ARG. 
Last argument TEXT is ignored.
This is a LysKOM button action."
  (lyskom-button-view-conf-presentation buf arg text))

(defun lyskom-button-view-pers-status (buf arg text)
  "In the LysKOM buffer BUF, view the status of person ARG. 
Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-status-person arg))))

(defun lyskom-button-mail (buf arg text)
  "In the LysKOM buffer BUF, send mail to the conference ARG.
Last argument TEXT is ignored.
This is a LysKOM button action."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-send-letter arg))))

(defun lyskom-button-send-message (buf arg text)
  "In the LysKOM buffer BUF, send a personal message to person ARG."
  (cond ((not (integerp arg)) nil)
        (t (pop-to-buffer buf)
           (kom-send-message arg nil))))

677
678
679
680
681
(defun lyskom-button-copy-email (but arg text)
  "In the LysKOM buffer BUF, ignore ARG and copy TEXT to the kill ring.
This is a LysKOM button action."
  (kill-new text))

682
(lyskom-external-function compose-mail)
683
684
685
(defun lyskom-button-open-email (but arg text)
  "In the LysKOM buffer BUF, ignore ARG and open TEXT as an e-mail address.
This is a LysKOM button action."
686
687
688
  (if (fboundp 'compose-mail)
      (compose-mail text)
    (mail nil text)))
689

690
691
692
(defun lyskom-button-copy-url (but arg text)
  "In the LysKOM buffer BUF, ignore ARG and copy TEXT to the kill ring.
This is a LysKOM button action."
David Byers's avatar
X    
David Byers committed
693
  (kill-new (replace-in-string text "\\s-+" "")))
694
695
696
697
698


(defun lyskom-button-open-url (buf arg text)
  "In the LysKOM buffer BUF, ignore ARG and open TEXT as an URL.
This is a LysKOM button action."
David Byers's avatar
David Byers committed
699
  (let* ((url (lyskom-fix-pseudo-url (replace-in-string text "\\s-+" "")))
700
701
         protocol
         url-manager)
David Byers's avatar
David Byers committed
702
703
    (string-match lyskom-url-protocol-regexp url)
    (setq protocol (match-string 1 url))
704
705
706
    (setq url-manager (lyskom-get-url-manager protocol))
    (if (null url-manager)
        (lyskom-error "Can't find URL viewer"))
707
    (goto-char (point-max))
708
    (funcall (elt url-manager 3) url url-manager)))
709

710
711
712
713
714
 
 
;;;
;;;	Info node button
;;;
715

716
717
718
719
720
721
722
723
724
725
726
(defun lyskom-button-goto-info-node (buf arg text)
  "In the LysKOM buffer BUF, open ARG as an Info node, and ignore TEXT.
This is a LysKOM button action."
  (when (not (fboundp 'Info-goto-node))
    (autoload 'Info-goto-node "info"
      "Go to info node named NAME.  Give just NODENAME or (FILENAME)NODENAME."
      t))
  (setq arg (replace-in-string arg "\n" " " t))
  (setq arg (replace-in-string arg " +" " " t))
  (Info-goto-node arg))
 
727
728
729
730
731
732

;;;
;;;	LysKOM URL Management
;;;

(defun lyskom-get-url-manager (protocol)
733
  "Get the URL manager for PROTOCOL (a string). Returns a function."
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
  (let ((managers kom-url-managers)
	(preferences kom-url-viewer-preferences)
	(result nil))
    (while (and preferences (not result))
      (setq managers kom-url-managers)
      (while (and managers (not result))
	(if (and (string-match (car (car managers))
			       (car preferences))
		 (string-match (car (cdr (car managers)))
			       protocol))
	    (setq result (car managers)))
	(setq managers (cdr managers)))
      (setq preferences (cdr preferences)))
    result))



(defun lyskom-url-manager-starting (manager)
752
  "Tell the user that the URL manager MANAGER is starting."
753
  (lyskom-message "%s" (lyskom-format (lyskom-get-string 'starting-program)
754
755
756
				 (elt manager 2))))


David Byers's avatar
David Byers committed
757
758
(eval-when-compile (defvar browse-url-browser-function nil))

David Byers's avatar
X    
David Byers committed
759
760
761
762
(defun lyskom-view-url-browse-url (url manager)
  (require 'browse-url)
  (funcall browse-url-browser-function url))

763
(defun lyskom-view-url-w3 (url manager)
764
  "View the URL URL using W3. Second argument MANAGER is ignored."
765
766
767
  (w3-fetch url))

(defun lyskom-view-url-dired (url manager)
768
  "View the URL URL using dired. Second argument MANAGER is ignored."
769
770
771
772
773
774
775
776
777
778
  (if (not (and (string-match
		 "\\(file\\|ftp\\)://\\([^/:]*\\)\\(:[0-9]*\\)?\\(/\\|$\\)"
		 url)
		(match-beginning 0)
		(match-beginning 1)
		(match-beginning 2)))
      (lyskom-error "Bad URL"))
  (let ((host (substring url (match-beginning 2) (match-end 2)))
	(path (substring url (match-end 0)))
	(user "anonymous"))
David Byers's avatar
David Byers committed
779
780
    (if  (string-match ";type=.$" path)
        (setq path (substring path 0 (match-beginning 0))))
781
782
783
784
785
    (if (and (string-match "\\([^@]*\\)@" host)
	     (match-beginning 1))
	(progn
	  (setq user (substring host (match-beginning 1) (match-end 1)))
	  (setq host (substring host (match-end 0)))))
David Byers's avatar
David Byers committed
786
787
788
789
    (cond ((string= host "localhost") (find-file path))
          (t (find-file (concat "/" user "@" host ":/" path))))
    ;;    (message "%s  %s  %s" user host path)
    ))
790
791


792

793
(defun lyskom-view-url-telnet (url manager)
794
  "View the URL URL using telnet. Second argument MANAGER is ignored."
795
  (if (not (and (string-match 
David Byers's avatar
David Byers committed
796
                 "telnet://\\([^@]*@\\)?\\([^/:]*\\)\\(:[0-9]*\\)?"
797
798
799
800
801
802
803
804
		 url)
		(match-beginning 0)
		(match-beginning 2)))
      (lyskom-error "Bad URL"))
  (let ((host (substring url (match-beginning 2) (match-end 2)))
	(port (if (match-beginning 3)
		  (substring url (1+ (match-beginning 3)) (match-end 3))
		""))
David Byers's avatar
David Byers committed
805
806
807
	(user (if (match-beginning 1)
                  (substring url (match-beginning 1) (1- (match-end 1)))
                nil))
808
809
        ;; (password nil)
	)
David Byers's avatar
David Byers committed
810
811
    (if (and user
             (string-match "^\\([^:]*\\):\\(.*\\)" user))
812
813
814
815
816
817
818
819
        (progn
	  ;; (setq password (substring user
	  ;; 			    (match-beginning 2)
	  ;; 			    (match-end 2)))
	  (setq user (substring user 
				(match-beginning 1)
				(match-end 1)))))
    
David Byers's avatar
David Byers committed
820
    (telnet (concat host " " port))
821
822
823
824
825
    ;;    (message "u:%s  p:%s  h:%s  #:%s" 
    ;;             (or user "<u>")
    ;;             (or password "<p>")
    ;;             (or host "<h>")
    ;;             (or port "<#>"))
David Byers's avatar
David Byers committed
826
827

    ))
828

829

830
(defun lyskom-view-url-mailmode (url manager)
831
  "View the URL URL using mail in Emacs. The second argument MANAGER is ignored."
832
833
834
835
836
837
  (if (not (and (string-match "mailto:\\([^@]+@.*\\)$" url)
		(match-beginning 1)))
      (lyskom-error "Bad URL"))
  (mail nil (substring url (match-beginning 1) (match-end 1))))


838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
(defun lyskom-view-url-windows (url manager)
  "View the URL URL in Microsoft Windows. MANGER is the URL manager.
Fall back on Netscape if not running in Microsoft Windows."
  (cond ((or (eq window-system 'win32)
             (eq window-system 'mswindows)
             (eq window-system 'w32))
         (let ((programs '("start"
                           "explorer"
                           "C:\\Program Files\\Netscape\\Communicator\\Program\\netscape.exe"
                           "C:\\Program Files\\Netscape\\Navigator\\Program\\netscape.exe")))
           (while programs
             (condition-case nil
                 (progn
                   (start-process (car programs) 
                                  nil
                                  (car programs)
                                  url)
                   (lyskom-url-manager-starting manager)
                   (setq programs nil))
               (error (setq programs (cdr programs)))))))
                                
        (t (lyskom-view-url-netscape url manager))))


862
(defun lyskom-view-url-netscape (url manager)
863
864
865
866
867
  "View the URL URL using Netscape Navigator. The second argument
MANAGER is the URL manager that started Netscape.

This function attempts to load the URL in a running Netscape, but failing
that, starts a new one."
David Byers's avatar
David Byers committed
868
  (setq url (replace-in-string url "," "%2C"))
David Byers's avatar
David Byers committed
869
870
  (setq url (replace-in-string url "(" "%28"))
  (setq url (replace-in-string url ")" "%29"))
David Byers's avatar
David Byers committed
871
872
873
  (let* ((url-string (if (or (eq window-system 'win32)
                             (eq window-system 'mswindows)
                             (eq window-system 'w32))
874
875
876
877
878
                         (list url)
                       (list "-remote"
                             (format "openUrl(%s)" url))))
         
         (proc (apply 'start-process "netscape"
David Byers's avatar
David Byers committed
879
880
881
882
883
884
                      nil
                      (if (listp kom-netscape-command)
                          (car kom-netscape-command)
                        kom-netscape-command)
                      (if (listp kom-netscape-command)
                          (append (cdr kom-netscape-command)
885
886
                                  url-string)
                        url-string)))
887
888
889
890
891
892
893
894
895
         (status 'run)
         (exit nil))
    (lyskom-url-manager-starting manager)
    (while (eq status 'run)
      (accept-process-output)
      (setq status (process-status proc)))
    (setq exit (process-exit-status proc))
    (cond ((and (eq status 'exit) 
                (eq exit 1))
David Byers's avatar
David Byers committed
896
           (apply 'start-process "netscape"
897
                          nil
David Byers's avatar
David Byers committed
898
899
900
901
902
903
904
                          (if (listp kom-netscape-command)
                              (car kom-netscape-command)
                            kom-netscape-command)
                          (if (listp kom-netscape-command)
                              (append (cdr kom-netscape-command)
                                      (list url))
                            (list url))))
905
          (t nil))))
906
907
908


(defun lyskom-view-url-mosaic (url manager)
909
910
  "View the URL URL using NCSA Mosaic. The attempts to open the URL in an
existing Mosaic process. Failing that, it starts a new Mosaic."
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
  (let ((pid -1)
        tempbuffer
        (filename "/tmp/Mosaic."))
    (if (file-exists-p (expand-file-name "~/.mosaicpid"))
        (save-excursion
          (set-buffer 
           (setq tempbuffer (get-buffer-create " *kom*-mosaicpid")))
          (insert-file-contents (expand-file-name "~/.mosaicpid"))
          (setq pid (read tempbuffer))
          (delete-region (point-min) (point-max))
          (insert "newwin\n")
          (insert url)
          (insert "\n")
          (setq filename (concat filename (number-to-string pid)))
          (write-region (point-min) (point-max) filename nil 'x)
          (kill-buffer tempbuffer)
          (if (= -1 (signal-process pid 30))
David Byers's avatar
David Byers committed
928
929
930
931
932
933
934
935
936
              (apply 'start-process "mosaic"
                     (current-buffer)
                     (if (listp kom-mosaic-command)
                         (car kom-mosaic-command)
                       kom-mosaic-command )
                     (if (listp kom-mosaic-command)
                         (append (cdr kom-mosaic-command)
                                 (list url))
                       (list url)))
937
938
	    (lyskom-url-manager-starting manager)))
      (save-excursion
David Byers's avatar
David Byers committed
939
940
941
942
943
944
945
946
947
        (apply 'start-process "mosaic"
               (current-buffer)
               (if (listp kom-mosaic-command)
                   (car kom-mosaic-command)
                 kom-mosaic-command )
               (if (listp kom-mosaic-command)
                   (append (cdr kom-mosaic-command)
                           (list url))
                 (list url)))
948
949
	(lyskom-url-manager-starting manager)))))

Peter Liljenberg's avatar
Peter Liljenberg committed
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
;; Added by Peter Liljenberg
(defun lyskom-view-url-lynx (url manager)
  "View the URL URL using Lynx.
Lynx will be run either in an xterm or in Emacs terminal mode,
depending on the value of `kom-lynx-terminal'."
  (cond
   ((eq kom-lynx-terminal 'xterm)
    (apply 'start-process
	   "lynx"
	   nil
	   (car kom-lynx-xterm-command)
	   (append (cdr kom-lynx-xterm-command) (list url)))
    (lyskom-url-manager-starting manager))

   ((eq kom-lynx-terminal 'terminal)
    (let* ((lbuf (get-buffer "*Lynx*"))
	   (lproc (and lbuf (get-buffer-process lbuf))))
      (if lproc
	  ;; Tell existing Lynx to fetch URL
	  (process-send-string lproc (concat "g" url "\n"))

	;; Create a new Lynx
	(switch-to-buffer
	 (apply 'make-term "Lynx"
		(if (listp kom-lynx-terminal-command)
		    (car kom-lynx-terminal-command)
		  kom-lynx-terminal-command)
		nil
		(if (listp kom-lynx-terminal-command)
		    (append (cdr kom-lynx-terminal-command) (list url))
		  (list url))))
	(delete-other-windows)
	(term-char-mode)
	(set-process-sentinel
	 (get-buffer-process (current-buffer))
	 (function (lambda (proc str)
		     (kill-buffer (process-buffer proc))))))
      (lyskom-url-manager-starting manager)))

   (t (lyskom-error "Bad Lynx terminal: %s" kom-lynx-terminal))
   ))
991

David Kågedal's avatar
David Kågedal committed
992
993
994
;;;
;;;	email buttons
;;;
995

David Kågedal's avatar
David Kågedal committed
996
997
(defun lyskom-button-send-mail (to)
  (mail nil to))
998
999
1000
1001
1002

;;;
;;;     aux-item buttons
;;;

David Byers's avatar
David Byers committed
1003
(defun lyskom-button-delete-aux (buf arg text)
1004
  (let ((aux nil))
1005
    (cond ((lyskom-aux-item-p arg))
1006
1007
1008
1009
1010
1011
          ((listp arg)
           (let ((items (cond ((eq 'text (car arg))
                               (text-stat->aux-items 
                                (blocking-do 'get-text-stat (elt arg 1))))
                              ((eq 'conf (car arg))
                               (conf-stat->aux-items 
David Byers's avatar
David Byers committed
1012
                                (blocking-do 'get-conf-stat (elt arg 1))))
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
                              (t nil))))
             (while items
               (when (eq (aux-item->aux-no (car items)) (elt arg 2))
                 (setq aux (car items))
                 (setq items nil))
               (setq items (cdr items))))))

    (when aux
      (lyskom-start-of-command nil)
      (unwind-protect
          (progn
            (if (blocking-do (cond ((eq 'text (car arg)) 'modify-text-info)
                                   ((eq 'conf (car arg)) 'modify-conf-info))
                             (elt arg 1)
                             (list (aux-item->aux-no aux))
                             nil)
                (cond ((eq 'text (car arg)) (cache-del-text-stat (elt arg 1)))
                      ((eq 'conf (car arg)) (cache-del-conf-stat (elt arg 1))))
              (lyskom-report-command-answer nil)))
        (lyskom-end-of-command)))))
          

(defun lyskom-button-info-aux (buf arg text)
  (pop-to-buffer buf)
  (let ((aux nil))
1038
    (cond ((lyskom-aux-item-p arg))
1039
1040
1041
1042
1043
1044
          ((listp arg) 
           (let ((items (cond ((eq 'text (car arg))
                               (text-stat->aux-items 
                                (blocking-do 'get-text-stat (elt arg 1))))
                              ((eq 'conf (car arg))
                               (conf-stat->aux-items 
David Byers's avatar
David Byers committed
1045
                                (blocking-do 'get-conf-stat (elt arg 1))))
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
                              (t nil))))
             (while items
               (when (eq (aux-item->aux-no (car items)) (elt arg 2))
                 (setq aux (car items))
                 (setq items nil))
               (setq items (cdr items))))))
              
    (if aux
        (progn
          (lyskom-start-of-command nil)
          (unwind-protect
1057
              (let ((data (lyskom-aux-item-call 
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
                           aux
                           'info 
                           aux
                           (cond ((eq 'text (car arg)) 
                                  (lyskom-format 'text-no (elt arg 1)))
                                 ((eq 'conf (car arg))
                                  (lyskom-format 'conference-no
                                                 (blocking-do 'get-conf-stat
                                                              (elt arg 1))))
                                 (t "????")))))
                (if data
                    (lyskom-insert data)
                  (lyskom-format-insert 'aux-item-no-info)))
            (lyskom-end-of-command)))
      (lyskom-format-insert 'cant-get-aux-item))))