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[xemacs-hg @ 2001-05-23 09:59:33 by ben] xemacs.mak: call `ver' to get the exact os version and put it in the installation; suggestion from adrian. behavior-defs.el: Add scroll-in-place, jka-compr, efs, fix up some things. pop.c: Remove BROKEN_CYGWIN. etc\sample.init.el: Rewrite to be much more careful about loading features -- now it decays gracefully even in the complete absence of packages. Also avoid doing obnoxious things when loading efs. configure.in: add some support for eventually turning on file coding by default. Fix numerous places where AC_MSG_WARN had quotes around its arg, which is bad. Replace with []. Same for AC_MSG_ERROR. s\cygwin32.h, s\mingw32.h: remove support for way old beta versions of cygwin. don't put -Wno-sign-compare in the system switches; this isn't a system issue. define BROKEN_SIGIO for cygwin to get C-g support. device-msw.c: signal an error rather than crash with an unavailable network printer (from Mike Alexander). event-msw.c: cleanup headers. fix (hopefully) an error with data corruption when sending to a network connection. fileio.c: Fix evil code that attempts to handle the ~user prefix by (a) always assuming we're referencing ourselves and not even verifying the user -- hence any file with a tilde as its first char is invalid! (b) if there wasn't a slash following the filename, the pointer was set *past* the end of file and we started reading from uninitialized memory. Now we simply treat these as files, always. optionally for 21.4 (doc fix): lread.c: cambia de pas_de_lache_ici -- al minimo usa la palabra certa. frame.c: fix warnings. emacs.c, nt.c, ntproc.c, process-nt.c, realpath.c, unexnt.c: rename MAX_PATH to standard PATH_MAX. process-nt.c, realpath.c: cleanup headers. process-unix.c, sysdep.c, systime.h, syswindows.h: kill BROKEN_CYGWIN and support for way old beta versions of cygwin. sysfile.h: use _MAX_PATH (Windows) preferentially for PATH_MAX if defined. include io.h on Cygwin (we need get_osfhandle()). include sys/fcntl.h always, since we were including it in various header files anyway. unexcw.c: fix up style to conform to standard. remove duplicate definition of PERROR. buffer.c: comment change. database.c, debug.h, device-tty.c, dired-msw.c, glyphs-msw.c: header cleanups (remove places that directly include a system header file, because we have our own layer to do this more cleanly and portably); indentation fixes.
author ben
date Wed, 23 May 2001 09:59:48 +0000
parents 7039e6323819
children 023b83f4e54b
line wrap: on
line source

;;; gpm.el --- Support the mouse when emacs run on a Linux console.

;; Copyright (C) 1999 Free Software Foundation

;; Author: William Perry <wmperry@gnu.org>
;; Keywords: mouse, terminals

;; 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 GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

(defvar gpm-enabled-devices (make-hash-table :test 'eq
					     :size 13
					     :weakness 'key)
  "A hash table of devices with GPM currently turned on.")
 
(defun gpm-mode (&optional arg device)
  "Toggle GPM mouse mode.
With prefix arg, turn GPM mouse mode on if and only if arg is positive."
  (interactive (list current-prefix-arg (selected-device)))
  (with-fboundp 'gpm-enable
    (cond
     ((null arg)				; Toggle
      (if (gethash device gpm-enabled-devices)
	  (progn
	    (gpm-enable device nil)
	    (remhash device gpm-enabled-devices))
	(gpm-enable device t)
	(puthash device t gpm-enabled-devices)))
     ((> arg 0)				; Turn on
      (gpm-enable device t)
      (puthash device t gpm-enabled-devices))
     ((gethash device gpm-enabled-devices) ; Turn off
      (gpm-enable device nil)
      (remhash device gpm-enabled-devices)))))

(defun turn-on-gpm-mouse-tracking (&optional device)
  ;; Enable mouse tracking on linux console
  (gpm-mode 5 device))

(defun turn-off-gpm-mouse-tracking (&optional device)
  ;; Disable mouse tracking on linux console
  (gpm-mode -5 device))

(defun gpm-is-supported-p (device)
  "Returns non-nil if GPM is usable right now on DEVICE in this XEmacs session.
This checks whether GPM support was compiled in, TTY support was
compiled in, XEmacs is running on Linux, the current console/device is
TTY, and its terminal type has been set to `linux'."
  (and (not noninteractive)	; Don't want to do this in batch mode
       (fboundp 'gpm-enable)	; Must have C-level GPM support
       (eq system-type 'linux)	; Must be running linux
       (eq (device-type device) 'tty) ; on a tty
       (equal "linux" (declare-fboundp ; an a linux terminal type
		       (console-tty-terminal-type (device-console device))))))
  
(defun gpm-create-device-hook (device)
  (if (gpm-is-supported-p device)
      (turn-on-gpm-mouse-tracking device)))

(defun gpm-delete-device-hook (device)
  (if (gpm-is-supported-p device)
      (turn-off-gpm-mouse-tracking device)))

;; Restore normal mouse behavior outside Emacs

(add-hook 'suspend-hook 'turn-off-gpm-mouse-tracking)
(add-hook 'suspend-resume-hook 'turn-on-gpm-mouse-tracking)
(add-hook 'create-device-hook 'gpm-create-device-hook)
(add-hook 'delete-device-hook 'gpm-delete-device-hook)

(provide 'gpm)