;; Maintainer: FSF
;; Keywords: mouse gpm linux
-;; Copyright (C) 1994, 1995, 1998, 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1994, 1995, 1998, 2006, 2007, 2008, 2009, 2010
+;; Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; 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 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, 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
;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
\f
;;; Code:
+;; Prevent warning when compiling in an Emacs without gpm support.
+(declare-function gpm-mouse-start "term.c" ())
+
+(defun gpm-mouse-enable ()
+ "Try to enable gpm mouse support on the current terminal."
+ (let ((activated nil))
+ (unwind-protect
+ (progn
+ (unless (fboundp 'gpm-mouse-start)
+ (error "Emacs must be built with Gpm to use this mode"))
+ (when gpm-mouse-mode
+ (gpm-mouse-start)
+ (set-terminal-parameter nil 'gpm-mouse-active t)
+ (setq activated t)))
+ ;; If something failed to turn it on, try to turn it off as well,
+ ;; just in case.
+ (unless activated (gpm-mouse-disable)))))
+
+(defun gpm-mouse-disable ()
+ "Try to disable gpm mouse support on the current terminal."
+ (when (fboundp 'gpm-mouse-stop)
+ (gpm-mouse-stop))
+ (set-terminal-parameter nil 'gpm-mouse-active nil))
+
;;;###autoload
-(define-minor-mode t-mouse-mode
- "Toggle t-mouse mode to use the mouse in Linux consoles.
-With prefix arg, turn t-mouse mode on if arg is positive, otherwise turn it
-off.
-
-This allows the use of the mouse when operating on a Linux console, in the
-same way as you can use the mouse under X11.
-It requires the `mev' program, part of the `gpm' utilities."
- :global t :group 'mouse
- (if window-system
- (error "t-mouse only works in the console on GNU/Linux")
- (if t-mouse-mode
- (progn
- (unless (fboundp 'term-open-connection)
- (progn
- (setq t-mouse-mode nil)
- (error "Emacs must be built with Gpm to use this mode")))
- (unless (term-open-connection)
- (progn
- (setq t-mouse-mode nil)
- (error "Can't open mouse connection"))))
- ;; Turn it off
- (term-close-connection))))
+(define-obsolete-function-alias 't-mouse-mode 'gpm-mouse-mode "23.1")
+;;;###autoload
+(define-minor-mode gpm-mouse-mode
+ "Toggle gpm-mouse mode to use the mouse in GNU/Linux consoles.
+With prefix arg, turn gpm-mouse mode on if arg is positive,
+otherwise turn it off.
+
+This allows the use of the mouse when operating on a GNU/Linux console,
+in the same way as you can use the mouse under X11.
+It relies on the `gpm' daemon being activated."
+ :global t :group 'mouse :init-value t
+ (dolist (terminal (terminal-list))
+ (when (and (eq t (terminal-live-p terminal))
+ (not (eq gpm-mouse-mode
+ (terminal-parameter terminal 'gpm-mouse-active))))
+ ;; Simulate selecting a terminal by selecting one of its frames ;-(
+ (with-selected-frame (car (frames-on-display-list terminal))
+ (if gpm-mouse-mode (gpm-mouse-enable) (gpm-mouse-disable))))))
(provide 't-mouse)