;;; vt100.el --- define VT100 function key sequences in function-key-map ;; Copyright (C) 1989, 1993, 2001, 2002, 2003, 2004, ;; 2005, 2006, 2007 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 ;; 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., 51 Franklin Street, Fifth Floor, ;; Boston, MA 02110-1301, USA. ;;; Commentary: ;; Uses the Emacs 19 terminal initialization features --- won't work with 18. ;; Handles all VT100 clones, including the Apollo terminal. Also handles ;; the VT200 --- its PF- and arrow- keys are different, but all those ;; are really set up by the terminal initialization code, which mines them ;; out of termcap. This package is here to define the keypad comma, dash ;; and period (which aren't in termcap's repertoire) and the function for ;; changing from 80 to 132 columns & vv. ;;; Code: ;; Set up function-key-map entries that termcap and terminfo don't know. (defun terminal-init-vt100 () "Terminal initialization function for vt100." (load "term/lk201" nil t)) ;;; Controlling the screen width. (defvar vt100-wide-mode (= (frame-width) 132) "t if vt100 is in 132-column mode.") (defun vt100-wide-mode (&optional arg) "Toggle 132/80 column mode for vt100s. With positive argument, switch to 132-column mode. With negative argument, switch to 80-column mode." (interactive "P") (setq vt100-wide-mode (if (null arg) (not vt100-wide-mode) (> (prefix-numeric-value arg) 0))) (send-string-to-terminal (if vt100-wide-mode "\e[?3h" "\e[?3l")) (set-frame-width terminal-frame (if vt100-wide-mode 132 80))) ;;; arch-tag: 9ff41f24-a7c9-4dee-9cf2-fbaa951eb840 ;;; vt100.el ends here