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;;; t-mouse.el --- mouse support within the text terminal
;; Author: Nick Roberts <nickrob@gnu.org>
;; Maintainer: FSF
;; Keywords: mouse gpm linux
;; Copyright (C) 1994, 1995, 1998, 2006, 2007, 2008
;; Free Software Foundation, Inc.
;; 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 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
;; 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. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This package provides access to mouse event as reported by the gpm-Linux
;; package. It tries to reproduce the functionality offered by Emacs under X.
;; The "gpm" server runs under Linux, so this package is rather
;; Linux-dependent.
;; The file, t-mouse.el was originally written by Alessandro Rubini and Ian T
;; Zimmerman, and Emacs communicated with gpm through a client program called
;; mev. Now the interface with gpm is directly through a Unix socket, so this
;; file is reduced to a single minor mode macro call.
;;
;;; Code:
;; Prevent warning when compiling in an Emacs without gpm support.
(declare-function gpm-mouse-start "term.c" ())
;;;###autoload
(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
(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)
(setq activated t)))
;; If the user asked to turn it off do that.
;; If something failed to turn it on, try to turn it off as well,
;; just in case.
(when (and (fboundp 'gpm-mouse-stop) (not activated))
(setq gpm-mouse-mode nil)
(gpm-mouse-stop)))))
(provide 't-mouse)
;; arch-tag: a63163b3-bfbe-4eb2-ab4f-201cd164b05d
;;; t-mouse.el ends here
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