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[Emacs-diffs] Changes to emacs/lisp/vt-control.el [lexbind]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/vt-control.el [lexbind] |
Date: |
Tue, 14 Oct 2003 19:52:38 -0400 |
Index: emacs/lisp/vt-control.el
diff -c /dev/null emacs/lisp/vt-control.el:1.9.4.1
*** /dev/null Tue Oct 14 19:52:38 2003
--- emacs/lisp/vt-control.el Tue Oct 14 19:51:28 2003
***************
*** 0 ****
--- 1,110 ----
+ ;;; vt-control.el --- Common VTxxx control functions
+
+ ;; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+
+ ;; Author: Rob Riepel <address@hidden>
+ ;; Maintainer: Rob Riepel <address@hidden>
+ ;; Keywords: 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.
+
+ ;;; Commentary:
+
+ ;; The functions contained in this file send various VT control codes
+ ;; to the terminal where emacs is running. The following functions are
+ ;; available.
+
+ ;; Function Action
+
+ ;; vt-wide set wide screen (132 characters)
+ ;; vt-narrow set narrow screen (80 characters)
+ ;; vt-toggle-screen toggle wide/narrow screen
+ ;; vt-keypad-on set applications keypad on
+ ;; vt-keypad-off set applications keypad off
+ ;; vt-numlock toggle applications keypad on/off
+
+ ;;; Usage:
+
+ ;; To use enable these functions, simply load this file.
+
+ ;; Note: vt-control makes no effort to determine how the terminal is
+ ;; initially set. It assumes the terminal starts with a width
+ ;; of 80 characters and the applications keypad enabled. Nor
+ ;; does vt-control try to restore the terminal when emacs is
+ ;; killed or suspended.
+
+ ;;; Code:
+
+
+ ;;; Global variables
+
+ (defvar vt-applications-keypad-p t
+ "If non-nil, keypad is in applications mode.")
+
+ (defvar vt-wide-p nil
+ "If non-nil, the screen is 132 characters wide.")
+
+
+ ;;; Screen width functions.
+
+ (defun vt-wide nil
+ "Set the screen 132 characters wide."
+ (interactive)
+ (send-string-to-terminal "\e[?3h")
+ (set-frame-width (selected-frame) 132)
+ (setq vt-wide-p t))
+
+ (defun vt-narrow nil
+ "Set the screen 80 characters wide."
+ (interactive)
+ (send-string-to-terminal "\e[?3l")
+ (set-frame-width (selected-frame) 80)
+ (setq vt-wide-p nil))
+
+ (defun vt-toggle-screen nil
+ "Toggle between 80 and 132 character screen width."
+ (interactive)
+ (if vt-wide-p (vt-narrow) (vt-wide)))
+
+
+ ;;; Applications keypad functions.
+
+ (defun vt-keypad-on (&optional tell)
+ "Turn on the VT applications keypad."
+ (interactive)
+ (send-string-to-terminal "\e=")
+ (setq vt-applications-keypad-p t)
+ (if (or tell (interactive-p)) (message "Applications keypad enabled.")))
+
+ (defun vt-keypad-off (&optional tell)
+ "Turn off the VT applications keypad."
+ (interactive "p")
+ (send-string-to-terminal "\e>")
+ (setq vt-applications-keypad-p nil)
+ (if (or tell (interactive-p)) (message "Applications keypad disabled.")))
+
+ (defun vt-numlock nil
+ "Toggle VT application keypad on and off."
+ (interactive)
+ (if vt-applications-keypad-p (vt-keypad-off (interactive-p))
+ (vt-keypad-on (interactive-p))))
+
+ (provide 'vt-control)
+
+ ;;; arch-tag: d4fed1bf-2524-4ba1-a4fe-86bca3d928a2
+ ;;; vt-control.el ends here
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