lisp/term/tvi970.el

   1 ;;; tvi970.el --- terminal support for the Televideo 970
   2
   3 ;; Copyright (C) 1992, 2001, 2002, 2003, 2004, 2005,
   4 ;;   2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   5
   6 ;; Author: Jim Blandy <jimb@occs.cs.oberlin.edu>
   7 ;; Keywords: terminals
   8 ;; Created: January 1992
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software: you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation, either version 3 of the License, or
  15 ;; (at your option) any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 ;;; Commentary:
  26
  27 ;; Uses the Emacs 19 terminal initialization features --- won't work with 18.
  28
  29 ;;; Code:
  30
  31 (defvar tvi970-terminal-map
  32   (let ((map (make-sparse-keymap)))
  33
  34     ;; Miscellaneous keys
  35     (dolist (key-binding
  36              '(;; These are set up by termcap or terminfo
  37                ;; ("\eOP"       [kp-f1])
  38                ;; ("\eOQ"       [kp-f2])
  39                ;; ("\eOR"       [kp-f3])
  40                ;; ("\eOS"       [kp-f4])
  41
  42                ;; These might bre set by terminfo.
  43                ("\e[H"  [home])
  44                ("\e[Z"  [backtab])
  45                ("\e[i"  [print])
  46                ("\e[@"  [insert])
  47                ("\e[L"  [insertline])
  48                ("\e[M"  [deleteline])
  49                ("\e[U"  [next]) ;; actually the `page' key
  50
  51                ;; These won't be set up by either
  52                ("\eOm"  [kp-subtract])
  53                ("\eOl"  [kp-separator])
  54                ("\eOn"  [kp-decimal])
  55                ("\eOM"  [kp-enter])
  56
  57                ;; These won't be set up by either either
  58                ("\e[K"  [key_eol])      ;; Not an X keysym
  59                ("\e[J"  [key_eos])      ;; Not an X keysym
  60                ("\e[2J" [key_clear])    ;; Not an X keysym
  61                ("\e[P"  [key_dc])       ;; Not an X keysym
  62                ("\e[g"  [S-tab])        ;; Not an X keysym
  63                ("\e[2N" [clearentry])   ;; Not an X keysym
  64                ("\e[2K" [S-clearentry]) ;; Not an X keysym
  65                ("\e[E"  [?\C-j])        ;; Not an X keysym
  66                ("\e[g"  [S-backtab])    ;; Not an X keysym
  67                ("\e[?1i"        [key_sprint]) ;; Not an X keysym
  68                ("\e[4h" [key_sic])            ;; Not an X keysym
  69                ("\e[4l" [S-delete])           ;; Not an X keysym
  70                ("\e[Q"  [S-insertline])       ;; Not an X keysym
  71                ("\e[1Q" [key_sdl])            ;; Not an X keysym
  72                ("\e[19l"        [key_seol])   ;; Not an X keysym
  73                ("\e[19h"        [S-erasepage]) ;; Not an X keysym
  74                ("\e[V"  [S-page])              ;; Not an X keysym
  75                ("\eS"   [send])                ;; Not an X keysym
  76                ("\e5"   [S-send])              ;; Not an X keysym
  77                ))
  78       (define-key map (car key-binding) (nth 1 key-binding)))
  79
  80
  81     ;; The numeric keypad keys.
  82     (dotimes (i 10)
  83       (define-key map (format "\eO%c" (+ i ?p))
  84         (vector (intern (format "kp-%d" i)))))
  85     ;; The numbered function keys.
  86     (dotimes (i 16)
  87       (define-key map (format "\e?%c" (+ i ?a))
  88         (vector (intern (format "f%d" (1+ i)))))
  89       (define-key map (format "\e?%c" (+ i ?A))
  90         (vector (intern (format "S-f%d" (1+ i))))))
  91     map))
  92
  93 (defun terminal-init-tvi970 ()
  94   "Terminal initialization function for tvi970."
  95   ;; Use inheritance to let the main keymap override these defaults.
  96   ;; This way we don't override terminfo-derived settings or settings
  97   ;; made in the .emacs file.
  98   (let ((m (copy-keymap tvi970-terminal-map)))
  99     (set-keymap-parent m (keymap-parent input-decode-map))
 100     (set-keymap-parent input-decode-map m))
 101   (tvi970-set-keypad-mode 1))
 102
 103 \f
 104 ;; Should keypad numbers send ordinary digits or distinct escape sequences?
 105 (defun tvi970-set-keypad-mode (&optional arg)
 106   "Set the current mode of the TVI 970 numeric keypad.
 107 In ``numeric keypad mode'', the number keys on the keypad act as
 108 ordinary digits.  In ``alternate keypad mode'', the keys send distinct
 109 escape sequences, meaning that they can have their own bindings,
 110 independent of the normal number keys.
 111 With no argument, toggle between the two possible modes.
 112 With a positive argument, select alternate keypad mode.
 113 With a negative argument, select numeric keypad mode."
 114   (interactive "P")
 115   (let ((newval (if (null arg)
 116                     (not (terminal-parameter nil 'tvi970-keypad-numeric))
 117                   (> (prefix-numeric-value arg) 0))))
 118     (set-terminal-parameter nil 'tvi970-keypad-numeric newval)
 119     (send-string-to-terminal (if newval "\e=" "\e>"))))
 120
 121 ;; arch-tag: c1334cf0-1462-41c3-a963-c077d175f8f0
 122 ;;; tvi970.el ends here