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Diffstat (limited to 'emms-mode-line.el')
| -rw-r--r-- | emms-mode-line.el | 158 |
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diff --git a/emms-mode-line.el b/emms-mode-line.el new file mode 100644 index 0000000..caac8b1 --- /dev/null +++ b/emms-mode-line.el @@ -0,0 +1,158 @@ +;;; emms-mode-line.el --- Mode-Line and titlebar infos for emms + +;; Copyright (C) 2004, 2005, 2006, 2007, 2008, +;; 2009 Free Software Foundation, Inc. + +;; Author: Mario Domgörgen <kanaldrache@gmx.de> +;; Keywords: multimedia + +;; This file is part of EMMS. + +;; EMMS 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 3, or (at your option) +;; any later version. + +;; EMMS 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 EMMS; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +;; Boston, MA 02110-1301, USA. + +;;; Commentary: +;; +;; To activate put simply the following line in your Emacs: +;; +;; (require 'emms-mode-line) +;; (emms-mode-line 1) + +;;; Code: + +(require 'emms) + +(defgroup emms-mode-line nil + "Showing information on mode-line and titlebar" + :prefix "emms-mode-line-" + :group 'emms) + +(defcustom emms-mode-line-mode-line-function 'emms-mode-line-playlist-current + "Function for showing infos in mode-line or nil if don't want to." + :type '(choice (const :tag "Don't show info on mode-line" nil) function) + :group 'emms-mode-line) + +(defcustom emms-mode-line-titlebar-function nil + "Function for showing infos in titlebar or nil if you don't want to." + :type '(choice (const :tag "Don't show info on titlebar" nil) function) + :group 'emms-mode-line) + +(defcustom emms-mode-line-format " [ %s ] " + "String used for displaying the current track in mode-line and titlebar." + :type 'string + :group 'emms) + +(defun emms-mode-line-playlist-current () + "Format the currently playing song." + (format emms-mode-line-format (emms-track-description + (emms-playlist-current-selected-track)))) + +(defvar emms-mode-line-active-p nil + "If non-nil, emms mode line is active.") +(defvar emms-mode-line-string "") + +(defvar emms-mode-line-initial-titlebar frame-title-format) + +(defun emms-mode-line (arg) + "Turn on `emms-mode-line' if ARG is positive, off otherwise." + (interactive "p") + (or global-mode-string (setq global-mode-string '(""))) + (if (and arg (> arg 0)) + (progn + (setq emms-mode-line-active-p t) + (add-hook 'emms-track-updated-functions 'emms-mode-line-alter) + (add-hook 'emms-player-finished-hook 'emms-mode-line-blank) + (add-hook 'emms-player-stopped-hook 'emms-mode-line-blank) + (add-hook 'emms-player-started-hook 'emms-mode-line-alter) + (when (and emms-mode-line-mode-line-function + (not (member 'emms-mode-line-string global-mode-string))) + (setq global-mode-string + (append global-mode-string + '(emms-mode-line-string)))) + (when emms-player-playing-p (emms-mode-line-alter))) + (setq emms-mode-line-active-p nil) + (remove-hook 'emms-track-updated-functions 'emms-mode-line-alter) + (remove-hook 'emms-player-finished-hook 'emms-mode-line-blank) + (remove-hook 'emms-player-stopped-hook 'emms-mode-line-blank) + (remove-hook 'emms-player-started-hook 'emms-mode-line-alter) + (emms-mode-line-restore-titlebar) + (emms-mode-line-restore-mode-line))) + +;;;###autoload +(defun emms-mode-line-enable () + "Turn on `emms-mode-line'." + (interactive) + (emms-mode-line 1) + (message "emms mode line enabled")) + +;;;###autoload +(defun emms-mode-line-disable () + "Turn off `emms-mode-line'." + (interactive) + (emms-mode-line -1) + (message "emms mode line disabled")) + +;;;###autoload +(defun emms-mode-line-toggle () + "Toggle `emms-mode-line'." + (interactive) + (if emms-mode-line-active-p + (emms-mode-line-disable) + (emms-mode-line-enable))) + +(defun emms-mode-line-alter (&optional track) + "Alter mode-line/titlebar. + +Optional TRACK is used to be compatible with +`emms-track-updated-functions'. It's simply ignored currently." + (emms-mode-line-alter-mode-line) + (emms-mode-line-alter-titlebar)) + +(defun emms-mode-line-alter-mode-line () + "Update the mode-line with song info." + (when (and emms-mode-line-mode-line-function + emms-player-playing-p) + (setq emms-mode-line-string + (funcall emms-mode-line-mode-line-function)) + (force-mode-line-update))) + +(defun emms-mode-line-alter-titlebar () + "Update the titlebar with song info." + (when emms-mode-line-titlebar-function + (setq frame-title-format + (list "" emms-mode-line-initial-titlebar (funcall emms-mode-line-titlebar-function))))) + + +(defun emms-mode-line-blank () + "Blank mode-line and titlebar but not quit `emms-mode-line'." + (setq emms-mode-line-string nil) + (force-mode-line-update) + (emms-mode-line-restore-titlebar)) + +(defun emms-mode-line-restore-mode-line () + "Restore the mode-line." + (when emms-mode-line-mode-line-function + (setq global-mode-string + (remove 'emms-mode-line-string global-mode-string)) + (force-mode-line-update))) + +(defun emms-mode-line-restore-titlebar () + "Restore the mode-line." + (when emms-mode-line-titlebar-function + (setq frame-title-format + (list emms-mode-line-initial-titlebar)))) + +(provide 'emms-mode-line) +;;; emms-mode-line.el ends here |