;;; smiley.el --- displaying smiley faces
-;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Wes Hardaker <hardaker@ece.ucdavis.edu>
;; Keywords: fun
;; The smilies were drawn by Joe Reiss <jreiss@vt.edu>.
+(eval-when-compile (require 'cl))
+
(require 'annotations)
(require 'messagexmas)
-(require 'cl)
(require 'custom)
(defgroup smiley nil
(defvar smiley-running-xemacs (string-match "XEmacs" emacs-version))
(defvar smiley-map (make-sparse-keymap "smiley-keys")
- "Keymap to toggle smiley states.")
+ "Keymap to toggle smiley states.")
(define-key smiley-map [(button2)] 'smiley-toggle-extent)
(define-key smiley-map [(button3)] 'smiley-popup-menu)
(defun smiley-toggle-extents (e)
(interactive "e")
(map-extents
- '(lambda (e void)
- (let (ant)
- (if (annotationp (setq ant (extent-property e 'smiley-annotation)))
- (progn
- (if (eq (extent-property e 'invisible) nil)
- (progn
- (reveal-annotation ant)
- (set-extent-property e 'invisible t)
- )
- (hide-annotation ant)
- (set-extent-property e 'invisible nil))))
- nil))
+ (lambda (e void)
+ (let (ant)
+ (if (annotationp (setq ant (extent-property e 'smiley-annotation)))
+ (if (eq (extent-property e 'invisible) nil)
+ (progn
+ (reveal-annotation ant)
+ (set-extent-property e 'invisible t)
+ )
+ (hide-annotation ant)
+ (set-extent-property e 'invisible nil)))
+ nil))
(event-buffer e)))
;;;###autoload
(case-fold-search nil)
entry regexp beg group file)
(map-extents
- '(lambda (e void)
- (when (or (extent-property e 'smiley-extent)
- (extent-property e 'smiley-annotation))
- (delete-extent e)))
+ (lambda (e void)
+ (when (or (extent-property e 'smiley-extent)
+ (extent-property e 'smiley-annotation))
+ (delete-extent e)))
buffer st nd)
(goto-char (or st (point-min)))
(setq beg (point))
(while (re-search-forward regexp nd t)
(let* ((start (match-beginning group))
(end (match-end group))
- (glyph
- (and (or (eq start 1)
- (not (string-match "\\(\\^\\|;\\|_\\);)"
- (buffer-substring
- (1- start) (+ start 2)))))
- (smiley-create-glyph (buffer-substring start end)
- file))))
+ (glyph (smiley-create-glyph (buffer-substring start end)
+ file)))
(when glyph
(mapcar 'delete-annotation (annotations-at end))
(let ((ext (make-extent start end))
(eq (char-after (1- (point))) ?\()))
t)))
+(defun smiley-toggle-buffer (&optional arg buffer st nd)
+ "Toggle displaying smiley faces.
+With arg, turn displaying on if and only if arg is positive."
+ (interactive "P")
+ (let (on off)
+ (map-extents
+ (lambda (e void)
+ (let (ant)
+ (if (annotationp (setq ant (extent-property e 'smiley-annotation)))
+ (if (eq (extent-property e 'invisible) nil)
+ (setq off (cons (cons ant e) off))
+ (setq on (cons (cons ant e) on)))))
+ nil)
+ buffer st nd)
+ (if (and (not (and (numberp arg) (< arg 0)))
+ (or (and (numberp arg) (> arg 0))
+ (null on)))
+ (if off
+ (while off
+ (reveal-annotation (caar off))
+ (set-extent-property (cdar off) 'invisible t)
+ (setq off (cdr off)))
+ (smiley-buffer))
+ (while on
+ (hide-annotation (caar on))
+ (set-extent-property (cdar on) 'invisible nil)
+ (setq on (cdr on))))))
+
(defvar gnus-article-buffer)
;;;###autoload
-(defun gnus-smiley-display ()
- "Display \"smileys\" as small graphical icons."
- (interactive)
+(defun gnus-smiley-display (&optional arg)
+ "Display \"smileys\" as small graphical icons.
+With arg, turn displaying on if and only if arg is positive."
+ (interactive "P")
(save-excursion
(set-buffer gnus-article-buffer)
- (article-goto-body)
- (smiley-buffer (current-buffer) (point-min) (point-max))))
+ (save-restriction
+ (widen)
+ (article-goto-body)
+ (smiley-toggle-buffer arg (current-buffer) (point) (point-max)))))
(provide 'smiley)
+;; Local Variables:
+;; coding: iso-8859-1
+;; End:
+
;;; smiley.el ends here