lisp/term/tvi970.el

   1 ;;; tvi970.el --- terminal support for the Televideo 970
   2
   3 ;; Author: Jim Blandy <jimb@occs.cs.oberlin.edu>, January 1992
   4 ;; Keywords: terminals
   5
   6 ;; Copyright (C) 1992 Free Software Foundation, Inc.
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to
  22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23
  24 ;;; Commentary:
  25
  26 ;;; Uses the Emacs 19 terminal initialization features --- won't work with 18.
  27
  28 ;;; Code:
  29
  30 (or (lookup-key function-key-map "\e[")
  31     (define-key function-key-map "\e[" (make-keymap)))
  32 ;; (or (lookup-key function-key-map "\eO")
  33 ;;    (define-key function-key-map "\eO" (make-keymap)))
  34
  35 ;; Miscellaneous keys
  36 (mapcar (function (lambda (key-binding)
  37                     (define-key function-key-map
  38                       (car key-binding) (nth 1 key-binding))))
  39         '(
  40           ;; These are set up by termcap or terminfo
  41           ;; ("\eOP"    [kp-f1])
  42           ;; ("\eOQ"    [kp-f2])
  43           ;; ("\eOR"    [kp-f3])
  44           ;; ("\eOS"    [kp-f4])
  45
  46           ;; These might br set by terminfo
  47           ("\e[H"       [home])
  48           ("\e[Z"       [backtab])
  49           ("\e[i"       [print])
  50           ("\e[@"       [insert])
  51           ("\e[L"       [insertline])
  52           ("\e[M"       [deleteline])
  53           ("\e[U"       [next])         ;; actually the `page' key
  54
  55           ;; These won't be set up by either
  56           ("\eOm"       [kp-subtract])
  57           ("\eOl"       [kp-separator])
  58           ("\eOn"       [kp-decimal])
  59           ("\eOM"       [kp-enter])
  60
  61           ;; These won't be set up by either either
  62           ("\e[K"       [key_eol])      ;; Not an X keysym
  63           ("\e[J"       [key_eos])      ;; Not an X keysym
  64           ("\e[2J"      [key_clear])    ;; Not an X keysym
  65           ("\e[P"       [key_dc])       ;; Not an X keysym
  66           ("\e[g"       [S-tab])        ;; Not an X keysym
  67           ("\e[2N"      [clearentry])   ;; Not an X keysym
  68           ("\e[2K"      [S-clearentry]) ;; Not an X keysym
  69           ("\e[E"       [?\C-j])        ;; Not an X keysym
  70           ("\e[g"       [S-backtab])    ;; Not an X keysym
  71           ("\e[?1i"     [key_sprint])   ;; Not an X keysym
  72           ("\e[4h"      [key_sic])      ;; Not an X keysym
  73           ("\e[4l"      [S-delete])     ;; Not an X keysym
  74           ("\e[Q"       [S-insertline]) ;; Not an X keysym
  75           ("\e[1Q"      [key_sdl])      ;; Not an X keysym
  76           ("\e[19l"     [key_seol])     ;; Not an X keysym
  77           ("\e[19h"     [S-erasepage])  ;; Not an X keysym
  78           ("\e[V"       [S-page])       ;; Not an X keysym
  79           ("\eS"        [send])         ;; Not an X keysym
  80           ("\e5"        [S-send])       ;; Not an X keysym
  81           ))
  82
  83 ;; The numeric keypad keys.
  84 (let ((i 0))
  85   (while (< i 10)
  86     (define-key function-key-map
  87       (format "\eO%c" (+ i ?p))
  88       (vector (intern (format "kp-%d" i))))
  89     (setq i (1+ i))))
  90 ;; The numbered function keys.
  91 (let ((i 0))
  92   (while (< i 16)
  93     (define-key function-key-map
  94       (format "\e?%c" (+ i ?a))
  95       (vector (intern (format "f%d" (1+ i)))))
  96     (define-key function-key-map
  97       (format "\e?%c" (+ i ?A))
  98       (vector (intern (format "S-f%d" (1+ i)))))
  99     (setq i (1+ i))))
 100
 101 \f
 102 ;;; Should keypad numbers send ordinary digits or distinct escape sequences?
 103 (defvar tvi970-keypad-numeric nil
 104   "The terminal should be in numeric keypad mode iff this variable is non-nil.
 105 Do not set this variable!  Call the function ``tvi970-set-keypad-mode''.")
 106
 107 (defun tvi970-set-keypad-mode (&optional arg)
 108   "Set the current mode of the TVI 970 numeric keypad.
 109 In ``numeric keypad mode'', the number keys on the keypad act as
 110 ordinary digits.  In ``alternate keypad mode'', the keys send distinct
 111 escape sequences, meaning that they can have their own bindings,
 112 independent of the normal number keys.
 113 With no argument, toggle between the two possible modes.
 114 With a positive argument, select alternate keypad mode.
 115 With a negative argument, select numeric keypad mode."
 116   (interactive "P")
 117   (setq tvi970-keypad-numeric
 118         (if (null arg)
 119             (not tvi970-keypad-numeric)
 120           (> (prefix-numeric-value arg) 0)))
 121   (send-string-to-terminal (if tvi970-keypad-numeric "\e=" "\e>")))
 122
 123 (tvi970-set-keypad-mode 1)
 124
 125 ;;; tv970 ends here