1 ;;; smiley.el --- displaying smiley faces
2 ;; Copyright (C) 1996 Free Software Foundation, Inc.
4 ;; Author: Wes Hardaker <hardaker@ece.ucdavis.edu>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
30 ;;; Test smileys: :-] :-o :-) ;-) :-\ :-| :-d :-P 8-| :-(
34 ;; (add-hook 'gnus-article-display-hook 'gnus-smiley-display t)
36 ;; The smilies were drawn by Joe Reiss <joe@jreiss.async.vt.edu>.
38 (require 'annotations)
39 (require 'messagexmas)
40 (eval-when-compile (require 'cl))
42 (defvar smiley-data-directory (message-xmas-find-glyph-directory "smilies")
43 "Location of the smiley faces files.")
45 (defvar smiley-regexp-alist
46 '(("\\(:-*[<«]+\\)\\W" 1 "FaceAngry.xpm")
47 ("\\(:-+\\]+\\)\\W" 1 "FaceGoofy.xpm")
48 ("\\(:-*D\\)\\W" 1 "FaceGrinning.xpm")
49 ("\\(:-*[)>}»]+\\)\\W" 1 "FaceHappy.xpm")
50 ("\\(:-*[/\\\"]+\\)\\W" 1 "FaceIronic.xpm")
51 ("\\([8|]-*[|Oo%]\\)\\W" 1 "FaceKOed.xpm")
52 ("\\([:|]-*#+\\)\\W" 1 "FaceNyah.xpm")
53 ("\\(:-*[({]+\\)\\W" 1 "FaceSad.xpm")
54 ("\\(:-*[Oo\*]\\)\\W" 1 "FaceStartled.xpm")
55 ("\\(:-*|\\)\\W" 1 "FaceStraight.xpm")
56 ("\\(:-*p\\)\\W" 1 "FaceTalking.xpm")
57 ("\\(:-*d\\)\\W" 1 "FaceTasty.xpm")
58 ("\\(;-*[>)}»]+\\)\\W" 1 "FaceWinking.xpm")
59 ("\\(:-*[Vvµ]\\)\\W" 1 "FaceWry.xpm")
60 ("\\([:|]-*P\\)\\W" 1 "FaceYukky.xpm"))
61 "A list of regexps to map smilies to real images.")
63 (defvar smiley-flesh-color "yellow"
66 (defvar smiley-features-color "black"
69 (defvar smiley-tongue-color "red"
72 (defvar smiley-circle-color "black"
75 (defvar smiley-glyph-cache nil)
76 (defvar smiley-running-xemacs (string-match "XEmacs" emacs-version))
78 (defun smiley-create-glyph (smiley pixmap)
82 (cdr-safe (assoc pixmap smiley-glyph-cache))
83 (let* ((xpm-color-symbols
85 (append `(("flesh" ,smiley-flesh-color)
86 ("features" ,smiley-features-color)
87 ("tongue" ,smiley-tongue-color))
91 (cons 'x (expand-file-name pixmap smiley-data-directory))
92 (cons 'tty smiley)))))
93 (setq smiley-glyph-cache (cons (cons pixmap glyph) smiley-glyph-cache))
94 (set-glyph-face glyph 'default)
98 (defun smiley-region (beg end)
99 "Smilify the region between point and mark."
101 (smiley-buffer (current-buffer) beg end))
104 (defun smiley-buffer (&optional buffer st nd)
107 (and buffer (set-buffer buffer))
108 (let ((buffer-read-only nil)
109 (alist smiley-regexp-alist)
110 entry regexp beg group file)
111 (goto-char (or st (point-min)))
113 ;; loop through alist
114 (while (setq entry (pop alist))
115 (setq regexp (car entry)
119 (while (re-search-forward regexp nd t)
120 (let* ((start (match-beginning group))
121 (end (match-end group))
122 (glyph (smiley-create-glyph (buffer-substring start end)
125 (mapcar 'delete-annotation (annotations-at end))
126 (let ((ext (make-extent start end)))
127 (set-extent-property ext 'invisible t)
128 (set-extent-property ext 'end-open t)
129 (set-extent-property ext 'intangible t))
130 (make-annotation glyph end 'text)
131 (when (smiley-end-paren-p start end)
132 (make-annotation ")" end 'text))
133 (goto-char end))))))))
135 (defun smiley-end-paren-p (start end)
136 "Try to guess whether the current smiley is an end-paren smiley."
139 (when (and (re-search-backward "[()]" nil t)
140 (= (following-char) ?\()
142 (or (not (re-search-forward "[()]" nil t))
143 (= (char-after (1- (point))) ?\()))
147 (defun gnus-smiley-display ()
150 (set-buffer gnus-article-buffer)
151 (goto-char (point-min))
152 ;; We skip the headers.
153 (unless (search-forward "\n\n" nil t)
154 (goto-char (point-max)))
155 (smiley-buffer (current-buffer) (point))))
159 ;;; smiley.el ends here