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;;; sound.el --- Loading sound files in XEmacs
;; Copyright (C) 1985, 1986, 1992, 1993, 1994 Free Software Foundation, Inc.
;; Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
;; Maintainer: XEmacs Development Team
;; Keywords: internal
;; This file is part of XEmacs.
;; XEmacs 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.
;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the
;; Free Software Foundation, 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Synched up with: Not in FSF.
;;; Commentary:
;;; Code:
(defgroup sound nil
"Configure XEmacs sounds and properties"
:group 'environment)
(defcustom sound-default-alist
'((default :sound bass)
(undefined-key :sound drum)
(undefined-click :sound drum)
;; beginning-of-buffer or end-of-buffer errors.
(buffer-bound :sound drum)
;; buffer-read-only error
(read-only :sound drum)
;; non-interactive function or lambda called
(command-error :sound bass)
(y-or-n-p :sound quiet)
(yes-or-no-p :sound quiet)
(auto-save-error :sound whip :volume 100)
(no-completion :sound whip)
(isearch-failed :sound quiet)
(isearch-quit :sound bass)
;; QUIT: sound generated by ^G and its variants.
(quit :sound quiet :volume 75)
;; READY: time-consuming task has completed... compile,
;; cvs-update, etc.
(ready :sound cuckoo)
;; WARP: XEmacs has changed the selected-window or frame
;; asynchronously... Especially when it's done by an
;; asynchronous process filter. Perhaps by a debugger breakpoint
;; has been hit?
(warp :sound yeep :volume 75)
;; ALARM: used for reminders...
(alarm :sound cuckoo :volume 100)
)
"The alist of sounds and associated error symbols.
Used to set sound-alist in load-default-sounds."
:group 'sound
:type '(repeat
(group (symbol :tag "Name")
(checklist :inline t
:greedy t
(group :inline t
(const :format "" :value :sound)
(symbol :tag "Sound"))
(group :inline t
(const :format "" :value :volume)
(integer :tag "Volume"))
(group :inline t
(const :format "" :value :pitch)
(integer :tag "Pitch"))
(group :inline t
(const :format "" :value :duration)
(integer :tag "Duration"))))))
(defcustom sound-load-list
'((load-sound-file "drum-beep" 'drum)
(load-sound-file "quiet-beep" 'quiet)
(load-sound-file "bass-snap" 'bass 80)
(load-sound-file "whip" 'whip 70)
(load-sound-file "cuckoo" 'cuckoo)
(load-sound-file "yeep" 'yeep)
(load-sound-file "hype" 'hype 100)
)
"A list of calls to load-sound-file to be processed by load-default-sounds.
Reference load-sound-file for more information."
:group 'sound
:type '(repeat (sexp :tag "Sound")
))
(defcustom default-sound-directory (locate-data-directory "sounds")
"Default directory to load a sound file from."
:group 'sound
:type 'directory
)
;; #### This should really be a list. --hniksic
(defcustom sound-extension-list (cond ((or (eq system-type 'cygwin32)
(eq system-type 'windows-nt))
".wav:")
((eq system-type 'linux)
".wav:.au:")
(t
".au:"))
"Filename extensions to complete sound file name with. If more than one
extension is used, they should be separated by \":\". "
:group 'sound
:type 'string)
(defcustom default-sound-directory-list (locate-data-directory-list "sounds")
"List of directories which to search for sound files"
:group 'sound
:type '(repeat directory )
)
;;;###autoload
(or sound-alist
;; these should be silent until sounds are loaded
(setq sound-alist '((ready nil) (warp nil))))
;;;###autoload
(defun load-sound-file (filename sound-name &optional volume)
"Read in an audio-file and add it to the sound-alist.
FILENAME can either be absolute or relative, in which case the file will
be searched in the directories given by `default-sound-directory-list'.
When looking for the file, the extensions given by `sound-extension-list' are
also tried in the given order.
You can only play sound files if you are running on display 0 of the
console of a machine with native sound support or running a NetAudio
server and XEmacs has the necessary sound support compiled in.
The sound file must be in the Sun/NeXT U-LAW format, except on Linux,
where .wav files are also supported by the sound card drivers."
(interactive "fSound file name: \n\
SSymbol to name this sound: \n\
nVolume (0 for default): ")
(unless (symbolp sound-name)
(error "sound-name not a symbol"))
(unless (or (null volume) (integerp volume))
(error "volume not an integer or nil"))
(let ((file (if (file-name-absolute-p filename)
;; For absolute file names, we don't have on choice on the
;; location, but sound extensions however can still be tried
(setq file (locate-file filename
(list (file-name-directory filename))
(split-string sound-extension-list
":")))
(setq file (locate-file filename
default-sound-directory-list
(split-string sound-extension-list
":")))))
buf data)
(unless file
(error "Couldn't load sound file %s" filename))
(unwind-protect
(save-excursion
(set-buffer (setq buf (get-buffer-create " *sound-tmp*")))
(buffer-disable-undo (current-buffer))
(erase-buffer)
(let ((coding-system-for-read 'binary))
(insert-file-contents file))
(setq data (buffer-string))
(erase-buffer))
(and buf (kill-buffer buf)))
(let ((old (assq sound-name sound-alist)))
;; some conses in sound-alist might have been dumped with emacs.
(if old (setq sound-alist (delq old (copy-sequence sound-alist)))))
(setq sound-alist (cons
(nconc (list sound-name)
(if (and volume (not (eq 0 volume)))
(list ':volume volume))
(list ':sound data))
sound-alist)))
sound-name)
;;;###autoload
(defun load-default-sounds ()
"Load and install some sound files as beep-types, using
`load-sound-file'. This only works if you're on display 0 of the
console of a machine with native sound support or running a NetAudio
server and XEmacs has the necessary sound support compiled in."
(interactive)
;; #### - this should do NOTHING if the sounds can't be played.
(message "Loading sounds...")
(setq sound-alist nil)
;; this is where the calls to load-sound-file get done
(mapc 'eval sound-load-list)
(setq sound-alist
(append sound-default-alist
sound-alist))
(message "Loading sounds...done")
;; (beep nil 'quiet)
)
;;; sound.el ends here.
|
