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- ;;; earcon.el --- Sound effects for messages
- ;; Copyright (C) 1996 Free Software Foundation
-
- ;; Author: Steven L. Baur <steve@miranova.com>
- ;; Keywords: news fun sound
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs is free software; you can redistribute it and/or modify
- ;; it under the terms of the GNU General Public License as published by
- ;; the Free Software Foundation; either version 2, or (at your option)
- ;; any later version.
-
- ;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
- ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Commentary:
- ;; This file provides access to sound effects in Gnus.
-
- ;;; Code:
-
- (if (null (boundp 'running-xemacs))
- (defvar running-xemacs (string-match "XEmacs\\|Lucid" emacs-version)))
-
- (eval-when-compile (require 'cl))
- (require 'gnus)
- (require 'gnus-audio)
- (require 'gnus-art)
-
- (defgroup earcon nil
- "Turn ** sounds ** into noise."
- :group 'gnus-visual)
-
- (defcustom earcon-auto-play nil
- "When True, automatically play sounds as well as buttonize them."
- :type 'boolean
- :group 'earcon)
-
- (defcustom earcon-prefix "**"
- "String denoting the start of an earcon."
- :type 'string
- :group 'earcon)
-
- (defcustom earcon-suffix "**"
- "String denoting the end of an earcon."
- :type 'string
- :group 'earcon)
-
- (defcustom earcon-regexp-alist
- '(("boring" 1 "Boring.au")
- ("evil[ \t]+laugh" 1 "Evil_Laugh.au")
- ("gag\\|puke" 1 "Puke.au")
- ("snicker" 1 "Snicker.au")
- ("meow" 1 "catmeow.au")
- ("sob\\|boohoo" 1 "cry.wav")
- ("drum[ \t]*roll" 1 "drumroll.au")
- ("blast" 1 "explosion.au")
- ("flush\\|plonk!*" 1 "flush.au")
- ("kiss" 1 "kiss.wav")
- ("tee[ \t]*hee" 1 "laugh.au")
- ("shoot" 1 "shotgun.wav")
- ("yawn" 1 "snore.wav")
- ("cackle" 1 "witch.au")
- ("yell\\|roar" 1 "yell2.au")
- ("whoop-de-doo" 1 "whistle.au"))
- "A list of regexps to map earcons to real sounds."
- :type '(repeat (list regexp
- (integer :tag "Match")
- (string :tag "Sound")))
- :group 'earcon)
-
- (defvar earcon-button-marker-list nil)
- (make-variable-buffer-local 'earcon-button-marker-list)
-
-
-
- ;;; FIXME!! clone of code from gnus-vis.el FIXME!!
- (defun earcon-article-push-button (event)
- "Check text under the mouse pointer for a callback function.
- If the text under the mouse pointer has a `earcon-callback' property,
- call it with the value of the `earcon-data' text property."
- (interactive "e")
- (set-buffer (window-buffer (posn-window (event-start event))))
- (let* ((pos (posn-point (event-start event)))
- (data (get-text-property pos 'earcon-data))
- (fun (get-text-property pos 'earcon-callback)))
- (if fun (funcall fun data))))
-
- (defun earcon-article-press-button ()
- "Check text at point for a callback function.
- If the text at point has a `earcon-callback' property,
- call it with the value of the `earcon-data' text property."
- (interactive)
- (let* ((data (get-text-property (point) 'earcon-data))
- (fun (get-text-property (point) 'earcon-callback)))
- (if fun (funcall fun data))))
-
- (defun earcon-article-prev-button (n)
- "Move point to N buttons backward.
- If N is negative, move forward instead."
- (interactive "p")
- (earcon-article-next-button (- n)))
-
- (defun earcon-article-next-button (n)
- "Move point to N buttons forward.
- If N is negative, move backward instead."
- (interactive "p")
- (let ((function (if (< n 0) 'previous-single-property-change
- 'next-single-property-change))
- (inhibit-point-motion-hooks t)
- (backward (< n 0))
- (limit (if (< n 0) (point-min) (point-max))))
- (setq n (abs n))
- (while (and (not (= limit (point)))
- (> n 0))
- ;; Skip past the current button.
- (when (get-text-property (point) 'earcon-callback)
- (goto-char (funcall function (point) 'earcon-callback nil limit)))
- ;; Go to the next (or previous) button.
- (gnus-goto-char (funcall function (point) 'earcon-callback nil limit))
- ;; Put point at the start of the button.
- (when (and backward (not (get-text-property (point) 'earcon-callback)))
- (goto-char (funcall function (point) 'earcon-callback nil limit)))
- ;; Skip past intangible buttons.
- (when (get-text-property (point) 'intangible)
- (incf n))
- (decf n))
- (unless (zerop n)
- (gnus-message 5 "No more buttons"))
- n))
-
- (defun earcon-article-add-button (from to fun &optional data)
- "Create a button between FROM and TO with callback FUN and data DATA."
- (and (boundp gnus-article-button-face)
- gnus-article-button-face
- (gnus-overlay-put (gnus-make-overlay from to)
- 'face gnus-article-button-face))
- (gnus-add-text-properties
- from to
- (nconc (and gnus-article-mouse-face
- (list gnus-mouse-face-prop gnus-article-mouse-face))
- (list 'gnus-callback fun)
- (and data (list 'gnus-data data)))))
-
- (defun earcon-button-entry ()
- ;; Return the first entry in `gnus-button-alist' matching this place.
- (let ((alist earcon-regexp-alist)
- (case-fold-search t)
- (entry nil))
- (while alist
- (setq entry (pop alist))
- (if (looking-at (car entry))
- (setq alist nil)
- (setq entry nil)))
- entry))
-
-
- (defun earcon-button-push (marker)
- ;; Push button starting at MARKER.
- (save-excursion
- (set-buffer gnus-article-buffer)
- (goto-char marker)
- (let* ((entry (earcon-button-entry))
- (inhibit-point-motion-hooks t)
- (fun 'gnus-audio-play)
- (args (list (nth 2 entry))))
- (cond
- ((fboundp fun)
- (apply fun args))
- ((and (boundp fun)
- (fboundp (symbol-value fun)))
- (apply (symbol-value fun) args))
- (t
- (gnus-message 1 "You must define `%S' to use this button"
- (cons fun args)))))))
-
- ;;; FIXME!! clone of code from gnus-vis.el FIXME!!
-
- ;;;###interactive
- (defun earcon-region (beg end)
- "Play Sounds in the region between point and mark."
- (interactive "r")
- (earcon-buffer (current-buffer) beg end))
-
- ;;;###interactive
- (defun earcon-buffer (&optional buffer st nd)
- (interactive)
- (save-excursion
- ;; clear old markers.
- (if (boundp 'earcon-button-marker-list)
- (while earcon-button-marker-list
- (set-marker (pop earcon-button-marker-list) nil))
- (setq earcon-button-marker-list nil))
- (and buffer (set-buffer buffer))
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (case-fold-search t)
- (alist earcon-regexp-alist)
- beg entry regexp)
- (goto-char (point-min))
- (setq beg (point))
- (while (setq entry (pop alist))
- (setq regexp (concat (regexp-quote earcon-prefix)
- ".*\\("
- (car entry)
- "\\).*"
- (regexp-quote earcon-suffix)))
- (goto-char beg)
- (while (re-search-forward regexp nil t)
- (let* ((start (and entry (match-beginning 1)))
- (end (and entry (match-end 1)))
- (from (match-beginning 1)))
- (earcon-article-add-button
- start end 'earcon-button-push
- (car (push (set-marker (make-marker) from)
- earcon-button-marker-list)))
- (gnus-audio-play (caddr entry))))))))
-
- ;;;###autoload
- (defun gnus-earcon-display ()
- "Play sounds in message buffers."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (goto-char (point-min))
- ;; Skip headers
- (unless (search-forward "\n\n" nil t)
- (goto-char (point-max)))
- (sit-for 0)
- (earcon-buffer (current-buffer) (point))))
-
- ;;;***
-
- (provide 'earcon)
-
- (run-hooks 'earcon-load-hook)
-
- ;;; earcon.el ends here
-