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