1 ;;; smiley.el --- displaying smiley faces
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000
3 ;; Free Software Foundation, Inc.
5 ;; Author: Wes Hardaker <hardaker@ece.ucdavis.edu>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
31 ;;; Test smileys: :-] :-o :-) ;-) :-\ :-| :-d :-P 8-| :-(
35 ;; (setq gnus-treat-display-smileys t)
37 ;; The smilies were drawn by Joe Reiss <jreiss@vt.edu>.
45 (when (featurep 'xemacs)
46 (require 'annotations)
47 (require 'messagexmas)))
50 "Turn :-)'s into real images."
53 ;; FIXME: Where is the directory when using Emacs?
54 (defcustom smiley-data-directory
55 (if (featurep 'xemacs)
56 (message-xmas-find-glyph-directory "smilies")
57 "/usr/local/lib/xemacs/xemacs-packages/etc/smilies")
58 "*Location of the smiley faces files."
62 ;; Notice the subtle differences in the regular expressions in the
65 (defcustom smiley-deformed-regexp-alist
66 '(("\\(\\^_?\\^;;;\\)\\W" 1 "WideFaceAse3.xbm")
67 ("\\(\\^_?\\^;;\\)\\W" 1 "WideFaceAse2.xbm")
68 ("\\(\\^_?\\^;\\)\\W" 1 "WideFaceAse1.xbm")
69 ("\\(\\^_?\\^\\)\\W" 1 "WideFaceSmile.xbm")
70 ("\\(;_;\\)\\W" 1 "WideFaceWeep.xbm")
71 ("\\(T_T\\)\\W" 1 "WideFaceWeep.xbm")
72 ("\\(:-*[<«]+\\)\\W" 1 "FaceAngry.xpm")
73 ("\\(:-+\\]+\\)\\W" 1 "FaceGoofy.xpm")
74 ("\\(:-*D\\)\\W" 1 "FaceGrinning.xpm")
75 ("\\(:-*[)>}»]+\\)\\W" 1 "FaceHappy.xpm")
76 ("\\(=[)»]+\\)\\W" 1 "FaceHappy.xpm")
77 ("\\(:-*[/\\\"]\\)[^/]\\W" 1 "FaceIronic.xpm")
78 ("[^.0-9]\\([8|]-*[|Oo%]\\)\\W" 1 "FaceKOed.xpm")
79 ("\\([:|]-*#+\\)\\W" 1 "FaceNyah.xpm")
80 ("\\(:-*[({]+\\)\\W" 1 "FaceSad.xpm")
81 ("\\(=[({]+\\)\\W" 1 "FaceSad.xpm")
82 ("\\(:-*[Oo\*]\\)\\W" 1 "FaceStartled.xpm")
83 ("\\(:-*|\\)\\W" 1 "FaceStraight.xpm")
84 ("\\(:-*p\\)\\W" 1 "FaceTalking.xpm")
85 ("\\(:-*d\\)\\W" 1 "FaceTasty.xpm")
86 ("\\(;-*[>)}»]+\\)\\W" 1 "FaceWinking.xpm")
87 ("\\(:-*[Vvµ]\\)\\W" 1 "FaceWry.xpm")
88 ("\\([:|]-*P\\)\\W" 1 "FaceYukky.xpm"))
89 "*Normal and deformed faces for smilies."
90 :type '(repeat (list regexp
91 (integer :tag "Match")
92 (string :tag "Image")))
95 (defcustom smiley-nosey-regexp-alist
96 '(("\\(:-+[<«]+\\)\\W" 1 "FaceAngry.xpm")
97 ("\\(:-+\\]+\\)\\W" 1 "FaceGoofy.xpm")
98 ("\\(:-+D\\)\\W" 1 "FaceGrinning.xpm")
99 ("\\(:-+[}»]+\\)\\W" 1 "FaceHappy.xpm")
100 ("\\(:-*)+\\)\\W" 1 "FaceHappy.xpm")
101 ("\\(=[)]+\\)\\W" 1 "FaceHappy.xpm")
102 ("\\(:-+[/\\\"]+\\)\\W" 1 "FaceIronic.xpm")
103 ("\\([8|]-+[|Oo%]\\)\\W" 1 "FaceKOed.xpm")
104 ("\\([:|]-+#+\\)\\W" 1 "FaceNyah.xpm")
105 ("\\(:-+[({]+\\)\\W" 1 "FaceSad.xpm")
106 ("\\(=[({]+\\)\\W" 1 "FaceSad.xpm")
107 ("\\(:-+[Oo\*]\\)\\W" 1 "FaceStartled.xpm")
108 ("\\(:-+|\\)\\W" 1 "FaceStraight.xpm")
109 ("\\(:-+p\\)\\W" 1 "FaceTalking.xpm")
110 ("\\(:-+d\\)\\W" 1 "FaceTasty.xpm")
111 ("\\(;-+[>)}»]+\\)\\W" 1 "FaceWinking.xpm")
112 ("\\(:-+[Vvµ]\\)\\W" 1 "FaceWry.xpm")
113 ("\\(][:8B]-[)>]\\)\\W" 1 "FaceDevilish.xpm")
114 ("\\([:|]-+P\\)\\W" 1 "FaceYukky.xpm"))
115 "*Smileys with noses. These get less false matches."
116 :type '(repeat (list regexp
117 (integer :tag "Match")
118 (string :tag "Image")))
121 (defcustom smiley-regexp-alist smiley-deformed-regexp-alist
122 "*A list of regexps to map smilies to real images.
123 Defaults to the contents of `smiley-deformed-regexp-alist'.
124 An alternative is `smiley-nosey-regexp-alist' that matches less
126 If this is a symbol, take its value."
127 :type '(radio (variable-item smiley-deformed-regexp-alist)
128 (variable-item smiley-nosey-regexp-alist)
131 (integer :tag "Match")
132 (string :tag "Image"))))
135 (defcustom smiley-flesh-color "yellow"
140 (defcustom smiley-features-color "black"
145 (defcustom smiley-tongue-color "red"
150 (defcustom smiley-circle-color "black"
155 (defcustom smiley-mouse-face 'highlight
156 "*Face used for mouse highlighting in the smiley buffer.
158 Smiley buttons will be displayed in this face when the cursor is
163 (defvar smiley-glyph-cache nil)
165 (defvar smiley-map (make-sparse-keymap "smiley-keys")
166 "Keymap to toggle smiley states.")
168 (define-key smiley-map [(button2)] 'smiley-toggle-extent)
169 (define-key smiley-map [(button3)] 'smiley-popup-menu)
171 (defun smiley-popup-menu (e)
175 ["Toggle This Smiley" (smiley-toggle-extent ,e) t]
176 ["Toggle All Smilies" (smiley-toggle-extents ,e) t])))
178 (defun smiley-create-glyph (smiley pixmap)
180 (cdr-safe (assoc pixmap smiley-glyph-cache))
181 (let* ((xpm-color-symbols
183 (append `(("flesh" ,smiley-flesh-color)
184 ("features" ,smiley-features-color)
185 ("tongue" ,smiley-tongue-color))
189 (cons (if (featurep 'gtk) 'gtk 'x)
190 (expand-file-name pixmap smiley-data-directory))
192 (expand-file-name pixmap smiley-data-directory))
193 (cons 'tty smiley)))))
194 (setq smiley-glyph-cache (cons (cons pixmap glyph) smiley-glyph-cache))
195 (set-glyph-face glyph 'default)
198 (defun smiley-create-glyph-ems (smiley pixmap)
200 (create-image (expand-file-name pixmap smiley-data-directory))
205 (defun smiley-region (beg end)
206 "Smilify the region between point and mark."
208 (smiley-buffer (current-buffer) beg end))
210 (defun smiley-toggle-extent (event)
211 "Toggle smiley at given point."
213 (let* ((ant (event-glyph-extent event))
214 (pt (event-closest-point event))
216 (if (annotationp ant)
217 (when (extentp (setq ext (extent-property ant 'smiley-extent)))
218 (set-extent-property ext 'invisible nil)
219 (hide-annotation ant))
221 (while (setq ext (extent-at pt (event-buffer event) nil ext 'at))
222 (when (annotationp (setq ant
223 (extent-property ext 'smiley-annotation)))
224 (reveal-annotation ant)
225 (set-extent-property ext 'invisible t)))))))
228 (defun smiley-toggle-extent-ems (event)
229 "Toggle smiley at given point.
230 Note -- this function hasn't been implemented yet."
232 (error "This function hasn't been implemented yet.")
235 (defun smiley-toggle-extents (e)
240 (if (annotationp (setq ant (extent-property e 'smiley-annotation)))
241 (if (eq (extent-property e 'invisible) nil)
243 (reveal-annotation ant)
244 (set-extent-property e 'invisible t)
246 (hide-annotation ant)
247 (set-extent-property e 'invisible nil)))
252 (defun smiley-toggle-extents-ems (e)
254 (error "This function hasn't been implemented yet.")
258 (defun smiley-buffer (&optional buffer st nd)
260 (when (featurep '(or x gtk mswindows))
264 (let ((buffer-read-only nil)
265 (alist (if (symbolp smiley-regexp-alist)
266 (symbol-value smiley-regexp-alist)
267 smiley-regexp-alist))
268 (case-fold-search nil)
269 entry regexp beg group file)
272 (when (or (extent-property e 'smiley-extent)
273 (extent-property e 'smiley-annotation))
276 (goto-char (or st (point-min)))
278 ;; loop through alist
279 (while (setq entry (pop alist))
280 (setq regexp (car entry)
284 (while (re-search-forward regexp nd t)
285 (let* ((start (match-beginning group))
286 (end (match-end group))
287 (glyph (smiley-create-glyph (buffer-substring start end)
290 (mapcar 'delete-annotation (annotations-at end))
291 (let ((ext (make-extent start end))
292 (ant (make-annotation glyph end 'text)))
293 ;; set text extent params
294 (set-extent-property ext 'end-open t)
295 (set-extent-property ext 'start-open t)
296 (set-extent-property ext 'invisible t)
297 (set-extent-property ext 'keymap smiley-map)
298 (set-extent-property ext 'mouse-face smiley-mouse-face)
299 (set-extent-property ext 'intangible t)
300 ;; set annotation params
301 (set-extent-property ant 'mouse-face smiley-mouse-face)
302 (set-extent-property ant 'keymap smiley-map)
303 ;; remember each other
304 (set-extent-property ant 'smiley-extent ext)
305 (set-extent-property ext 'smiley-annotation ant)
309 "button2 toggles smiley, button3 pops up menu")
312 "button2 toggles smiley, button3 pops up menu")
313 (set-extent-property ext 'balloon-help
314 "Mouse button2 - toggle smiley
315 Mouse button3 - menu")
316 (set-extent-property ant 'balloon-help
317 "Mouse button2 - toggle smiley
318 Mouse button3 - menu"))
319 (when (smiley-end-paren-p start end)
320 (make-annotation ")" end 'text))
321 (goto-char end)))))))))
323 ;; FIXME: No popup menu, no customized color
324 (defun smiley-buffer-ems (&optional buffer st nd)
330 (let ((buffer-read-only nil)
331 (alist (if (symbolp smiley-regexp-alist)
332 (symbol-value smiley-regexp-alist)
333 smiley-regexp-alist))
334 (case-fold-search nil)
335 entry regexp beg group file)
336 (dolist (overlay (overlays-in (or st (point-min))
337 (or nd (point-max))))
338 (when (overlay-get overlay 'smiley)
339 (remove-text-properties (overlay-start overlay)
340 (overlay-end overlay) '(display))
341 (delete-overlay overlay)))
342 (goto-char (or st (point-min)))
344 ;; loop through alist
345 (while (setq entry (pop alist))
346 (setq regexp (car entry)
350 (while (re-search-forward regexp nd t)
351 (let* ((start (match-beginning group))
352 (end (match-end group))
353 (glyph (smiley-create-glyph nil file))
354 (overlay (make-overlay start end)))
356 (add-text-properties start end
358 (overlay-put overlay 'smiley glyph)
359 (goto-char end)))))))))
361 (defun smiley-end-paren-p (start end)
362 "Try to guess whether the current smiley is an end-paren smiley."
365 (when (and (re-search-backward "[()]" nil t)
366 (eq (char-after) ?\()
368 (or (not (re-search-forward "[()]" nil t))
369 (eq (char-after (1- (point))) ?\()))
372 (defun smiley-toggle-buffer (&optional arg buffer st nd)
373 "Toggle displaying smiley faces.
374 With arg, turn displaying on if and only if arg is positive."
380 (if (annotationp (setq ant (extent-property e 'smiley-annotation)))
381 (if (eq (extent-property e 'invisible) nil)
382 (setq off (cons (cons ant e) off))
383 (setq on (cons (cons ant e) on)))))
386 (if (and (not (and (numberp arg) (< arg 0)))
387 (or (and (numberp arg) (> arg 0))
391 (reveal-annotation (caar off))
392 (set-extent-property (cdar off) 'invisible t)
393 (setq off (cdr off)))
396 (hide-annotation (caar on))
397 (set-extent-property (cdar on) 'invisible nil)
398 (setq on (cdr on))))))
400 ;; Simply removing all smiley if existing.
401 ;; FIXME: make it work as the one in XEmacs.
402 (defun smiley-toggle-buffer-ems (&optional arg buffer st nd)
403 "Toggle displaying smiley faces.
404 With arg, turn displaying on if and only if arg is positive."
410 (dolist (overlay (overlays-in (or st (point-min))
411 (or nd (point-max))))
412 (when (overlay-get overlay 'smiley)
413 (remove-text-properties (overlay-start overlay)
414 (overlay-end overlay) '(display))
417 (smiley-buffer buffer st nd)))))
419 (unless (featurep 'xemacs)
420 (defalias 'smiley-create-glyph 'smiley-create-glyph-ems)
421 (defalias 'smiley-toggle-extent 'smiley-toggle-extent-ems)
422 (defalias 'smiley-toggle-extents 'smiley-toggle-extents-ems)
423 (defalias 'smiley-buffer 'smiley-buffer-ems)
424 (defalias 'smiley-toggle-buffer 'smiley-toggle-buffer-ems))
426 (defvar gnus-article-buffer)
428 (defun gnus-smiley-display (&optional arg)
429 "Display \"smileys\" as small graphical icons.
430 With arg, turn displaying on if and only if arg is positive."
434 (let (buffer-read-only)
435 (smiley-toggle-buffer arg (current-buffer) (point) (point-max)))))
440 ;; coding: iso-8859-1
443 ;;; smiley.el ends here