1 ;;; gpm.el --- Support the mouse when emacs run on a Linux console.
3 ;; Copyright (C) 1999 Free Software Foundation
5 ;; Author: William Perry <wmperry@gnu.org>
6 ;; Keywords: mouse, terminals
8 ;; This file is part of XEmacs.
10 ;; XEmacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; XEmacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
25 (defvar gpm-enabled-devices (make-hash-table :test 'eq
28 "A hash table of devices with GPM currently turned on.")
30 (defun gpm-mode (&optional arg device)
31 "Toggle GPM mouse mode.
32 With prefix arg, turn GPM mouse mode on if and only if arg is positive."
33 (interactive (list current-prefix-arg (selected-device)))
36 (if (gethash device gpm-enabled-devices)
38 (gpm-enable device nil)
39 (remhash device gpm-enabled-devices))
41 (puthash device t gpm-enabled-devices)))
44 (puthash device t gpm-enabled-devices))
45 ((gethash device gpm-enabled-devices) ; Turn off
46 (gpm-enable device nil)
47 (remhash device gpm-enabled-devices))))
49 (defun turn-on-gpm-mouse-tracking (&optional device)
50 ;; Enable mouse tracking on linux console
53 (defun turn-off-gpm-mouse-tracking (&optional device)
54 ;; Disable mouse tracking on linux console
57 (defun gpm-create-device-hook (device)
58 (if (and (not noninteractive) ; Don't want to do this in batch mode
59 (fboundp 'gpm-enable) ; Must have C-level GPM support
60 (eq system-type 'linux) ; Must be running linux
61 (eq (device-type device) 'tty) ; on a tty
62 (equal "linux" (console-tty-terminal-type ; an a linux terminal type
63 (device-console device))))
64 (turn-on-gpm-mouse-tracking device)))
66 (defun gpm-delete-device-hook (device)
67 (if (and (not noninteractive) ; Don't want to do this in batch mode
68 (fboundp 'gpm-enable) ; Must have C-level GPM support
69 (eq system-type 'linux) ; Must be running linux
70 (eq (device-type device) 'tty) ; on a tty
71 (equal "linux" (console-tty-terminal-type ; an a linux terminal type
72 (device-console device))))
73 (turn-off-gpm-mouse-tracking device)))
75 ;; Restore normal mouse behavior outside Emacs
77 (add-hook 'suspend-hook 'turn-off-gpm-mouse-tracking)
78 (add-hook 'suspend-resume-hook 'turn-on-gpm-mouse-tracking)
79 (add-hook 'create-device-hook 'gpm-create-device-hook)
80 (add-hook 'delete-device-hook 'gpm-delete-device-hook)