;;; xterm.el --- define function key sequences and standard colors for xterm
;; Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007 Free Software Foundation, Inc.
+;; 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
;; Author: FSF
;; Keywords: terminals
;; 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:
;;; Code:
-(eval-when-compile (require 'xt-mouse))
-
(defvar xterm-function-map
(let ((map (make-sparse-keymap)))
;; This recomputes all the default faces given the colors we've just set up.
(tty-set-up-initial-frame-faces)
- (when xterm-mouse-mode
- (turn-on-xterm-mouse-tracking-on-terminal
- (frame-terminal (selected-frame))))
-
;; Try to turn on the modifyOtherKeys feature on modern xterms.
- ;; When it is turned on much more key bindings work: things like
+ ;; When it is turned on many more key bindings work: things like
;; C-. C-, etc.
;; To do that we need to find out if the current terminal supports
;; modifyOtherKeys. At this time only xterm does.
(let ((coding-system-for-read 'binary)
(chr nil)
(str nil))
+ ;; Pending input can be mistakenly returned by the calls to
+ ;; read-event below. Discard it.
+ (discard-input)
;; Try to find out the type of terminal by sending a "Secondary
;; Device Attributes (DA)" query.
(send-string-to-terminal "\e[>0c")
;; The reply should be of the form: \e [ > NUMBER1 ; NUMBER2 ; NUMBER3 c
- (when (equal (read-event nil nil 0.1) ?\e)
- (when (equal (read-event nil nil 0.1) ?\[)
- (while (not (equal (setq chr (read-event nil nil 0.1)) ?c))
+ ;; If the timeout is completely removed for read-event, this
+ ;; might hang for terminals that pretend to be xterm, but don't
+ ;; respond to this escape sequence. RMS' opinion was to remove
+ ;; it completely. That might be right, but let's first try to
+ ;; see if by using a longer timeout we get rid of most issues.
+ (when (equal (read-event nil nil 2) ?\e)
+ (when (equal (read-event nil nil 2) ?\[)
+ (while (not (equal (setq chr (read-event nil nil 2)) ?c))
(setq str (concat str (string chr))))
(when (string-match ">0;\\([0-9]+\\);0" str)
;; NUMBER2 is the xterm version number, look for something
(add-hook 'suspend-hook 'xterm-turn-off-modify-other-keys)
(add-hook 'suspend-resume-hook 'xterm-turn-on-modify-other-keys)
(add-hook 'kill-emacs-hook 'xterm-remove-modify-other-keys)
- (add-hook 'delete-frame-hook 'xterm-remove-modify-other-keys)
+ (add-hook 'delete-terminal-functions 'xterm-remove-modify-other-keys)
;; Add the selected frame to the list of frames that
;; need to deal with modify-other-keys.
(push (frame-terminal (selected-frame))
xterm-modify-other-keys-terminal-list)
- (xterm-turn-on-modify-other-keys)))))))
+ (xterm-turn-on-modify-other-keys))))))
+
+ (run-hooks 'terminal-init-xterm-hook))
;; Set up colors, for those versions of xterm that support it.
(defvar xterm-standard-colors
(clear-face-cache)))
(defun xterm-turn-on-modify-other-keys ()
- "Turn on the modifyOtherKeys feature of xterm."
- (let ((frame (selected-frame)))
- (when (and (frame-live-p frame)
- (memq frame xterm-modify-other-keys-terminal-list))
- (send-string-to-terminal "\e[>4;1m"))))
+ "Turn the modifyOtherKeys feature of xterm back on."
+ (let ((terminal (frame-terminal (selected-frame))))
+ (when (and (terminal-live-p terminal)
+ (memq terminal xterm-modify-other-keys-terminal-list))
+ (send-string-to-terminal "\e[>4;1m" terminal))))
(defun xterm-turn-off-modify-other-keys (&optional frame)
- "Turn off the modifyOtherKeys feature of xterm."
- (setq frame (and frame (selected-frame)))
- (when (and (frame-live-p frame)
- (memq frame xterm-modify-other-keys-terminal-list))
- (send-string-to-terminal "\e[>4m")))
-
-(defun xterm-remove-modify-other-keys (&optional frame)
- "Turn off the modifyOtherKeys feature of xterm and remove frame from consideration."
- (setq frame (and frame (selected-frame)))
- (when (and (frame-live-p frame)
- (memq frame xterm-modify-other-keys-terminal-list))
+ "Temporarily turn off the modifyOtherKeys feature of xterm."
+ (let ((terminal (when frame (frame-terminal frame))))
+ (when (and (terminal-live-p terminal)
+ (memq terminal xterm-modify-other-keys-terminal-list))
+ (send-string-to-terminal "\e[>4m" terminal))))
+
+(defun xterm-remove-modify-other-keys (&optional terminal)
+ "Turn off the modifyOtherKeys feature of xterm for good."
+ (setq terminal (or terminal (frame-terminal (selected-frame))))
+ (when (and (terminal-live-p terminal)
+ (memq terminal xterm-modify-other-keys-terminal-list))
(setq xterm-modify-other-keys-terminal-list
- (delq (frame-terminal frame)
- xterm-modify-other-keys-terminal-list))
- (send-string-to-terminal "\e[>4m")))
+ (delq terminal xterm-modify-other-keys-terminal-list))
+ (send-string-to-terminal "\e[>4m" terminal)))
;; arch-tag: 12e7ebdd-1e6c-4b25-b0f9-35ace25e855a
;;; xterm.el ends here
HCoop / bpt / emacs.git / blobdiff