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Diffstat (limited to 'lisp/xt-mouse.el')
| -rw-r--r-- | lisp/xt-mouse.el | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/lisp/xt-mouse.el b/lisp/xt-mouse.el deleted file mode 100644 index 1564034cc7f..00000000000 --- a/lisp/xt-mouse.el +++ /dev/null @@ -1,190 +0,0 @@ -;;; xt-mouse.el --- Support the mouse when emacs run in an xterm. - -;; Copyright (C) 1994 Free Software Foundation - -;; Author: Per Abrahamsen <abraham@iesd.auc.dk> -;; Keywords: mouse, terminals - -;; 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 2, 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; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. - -;;; Comments: - -;; Enable mouse support when running inside an xterm or Linux console. - -;; This is actually useful when you are running X11 locally, but is -;; working on remote machine over a modem line or through a gateway. - -;; It works by translating xterm escape codes into generic emacs mouse -;; events so it should work with any package that uses the mouse. - -;; The xterm mouse escape codes are supposedly also supported by the -;; Linux console, but I have not been able to verify this. - -;; You don't have to turn off xterm mode to use the normal xterm mouse -;; functionality, it is still available by holding down the SHIFT key -;; when you press the mouse button. - -;;; Todo: - -;; Support multi-click -- somehow. - -;; Clicking on the mode-line does not work, although it should. - -;;; Code: - -(define-key function-key-map "\e[M" 'xterm-mouse-translate) - -(defvar xterm-mouse-last) - -(defun xterm-mouse-translate (event) - ;; Read a click and release event from XTerm. - (save-excursion - (save-window-excursion - (deactivate-mark) - (let* ((xterm-mouse-last) - (down (xterm-mouse-event)) - (down-command (nth 0 down)) - (down-data (nth 1 down)) - (down-where (nth 1 down-data)) - (down-binding (key-binding (if (symbolp down-where) - (vector down-where down-command) - (vector down-command))))) - (or (and (eq (read-char) ?\e) - (eq (read-char) ?\[) - (eq (read-char) ?M)) - (error "Unexpected escape sequence from XTerm")) - (let* ((click (xterm-mouse-event)) - (click-command (nth 0 click)) - (click-data (nth 1 click)) - (click-where (nth 1 click-data))) - (if (memq down-binding '(nil ignore)) - (if (and (symbolp click-where) - (not (eq 'menu-bar click-where))) - (vector (list click-where click-data) click) - (vector click)) - (setq unread-command-events - (if (eq down-where click-where) - (list click) - (list - ;; Cheat `mouse-drag-region' with move event. - (list 'mouse-movement click-data) - ;; Generate a drag event. - (if (symbolp down-where) - 0 - (list (intern (concat "drag-mouse-" (+ 1 xterm-mouse-last))) - down-data click-data)) - ))) - (if (and (symbolp down-where) - (not (eq 'menu-bar down-where))) - (vector (list down-where down-data) down) - (vector down)))))))) - -(defvar xterm-mouse-x 0 - "Position of last xterm mouse event relative to the frame.") - -(defvar xterm-mouse-y 0 - "Position of last xterm mouse event relative to the frame.") - -(defadvice mouse-position (around xterm-mouse activate) - "Use last key from xterm-mouse-mode if available." - (let ((answer ad-do-it)) - (setq ad-return-value - (if xterm-mouse-mode - (cons (car answer) (cons xterm-mouse-x xterm-mouse-y)) - answer)))) - -(defun xterm-mouse-event () - ;; Convert XTerm mouse event to Emacs mouse event. - (let* ((type (- (read-char) ? )) - (x (- (read-char) ? 1)) - (y (- (read-char) ? 1)) - (point (cons x y)) - (window (window-at x y)) - (where (if window - (coordinates-in-window-p point window) - 'menu-bar)) - (pos (if (consp where) - (progn - (select-window window) - (goto-char (window-start window)) - (move-to-window-line (cdr where)) - (move-to-column (+ (car where) (current-column) - (if (string-match "\\` \\*Minibuf" - (buffer-name)) - (- (minibuffer-prompt-width)) - 0) - (max 0 (1- (window-hscroll))))) - (point)) - where)) - (mouse (intern (if (eq type 3) - (concat "mouse-" (+ 1 xterm-mouse-last)) - (setq xterm-mouse-last type) - (concat "down-mouse-" (+ 1 type)))))) - (setq xterm-mouse-x x - xterm-mouse-y y) - (list mouse - (list window pos point - (/ (nth 2 (current-time)) 1000))))) - -;; Indicator for the xterm-mouse mode. -(defvar xterm-mouse-mode nil) - -(or (assq 'xterm-mouse-mode minor-mode-alist) - (setq minor-mode-alist - (cons '(xterm-mouse-mode (" Mouse")) minor-mode-alist))) - -;;;###autoload -(defun xterm-mouse-mode (arg) - "Toggle XTerm mouse mode. -With prefix arg, turn XTerm mouse mode on iff arg is positive. - -Turn it on to use emacs mouse commands, and off to use xterm mouse commands." - (interactive "P") - (if (or (and (null arg) xterm-mouse-mode) - (<= (prefix-numeric-value arg) 0)) - ;; Turn it off - (if xterm-mouse-mode - (progn - (turn-off-xterm-mouse-tracking) - (setq xterm-mouse-mode nil) - (set-buffer-modified-p (buffer-modified-p)))) - ;;Turn it on - (if xterm-mouse-mode - () - (setq xterm-mouse-mode t) - (turn-on-xterm-mouse-tracking) - (set-buffer-modified-p (buffer-modified-p))))) - -(defun turn-on-xterm-mouse-tracking () - ;; Enable emacs mouse tracking in xterm. - (if xterm-mouse-mode - (send-string-to-terminal "\e[?1000h"))) - -(defun turn-off-xterm-mouse-tracking () - ;; Disable disable emacs mouse tracking in xterm. - (if xterm-mouse-mode - (send-string-to-terminal "\e[?1000l"))) - -;; Restore normal mouse behaviour outside Emacs. -(add-hook 'suspend-hook 'turn-off-xterm-mouse-tracking) -(add-hook 'suspend-resume-hook 'turn-on-xterm-mouse-tracking) -(add-hook 'kill-emacs-hook 'turn-off-xterm-mouse-tracking) - -(provide 'xt-mouse) - -;;; xt-mouse.el ends here |