lisp/term/tvi970.el

   1 ;;; tvi970.el --- terminal support for the Televideo 970
   2
   3 ;; Copyright (C) 1992, 2001-2012 Free Software Foundation, Inc.
   4
   5 ;; Author: Jim Blandy <jimb@occs.cs.oberlin.edu>
   6 ;; Keywords: terminals
   7 ;; Created: January 1992
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25
  26 ;; Uses the Emacs 19 terminal initialization features --- won't work with 18.
  27
  28 ;;; Code:
  29
  30 (eval-when-compile (require 'cl))
  31
  32 (defvar tvi970-terminal-map
  33   (let ((map (make-sparse-keymap)))
  34
  35     ;; Miscellaneous keys
  36     (dolist (key-binding
  37              '(;; These are set up by termcap or terminfo
  38                ;; ("\eOP"       [kp-f1])
  39                ;; ("\eOQ"       [kp-f2])
  40                ;; ("\eOR"       [kp-f3])
  41                ;; ("\eOS"       [kp-f4])
  42
  43                ;; These might bre set by terminfo.
  44                ("\e[H"  [home])
  45                ("\e[Z"  [backtab])
  46                ("\e[i"  [print])
  47                ("\e[@"  [insert])
  48                ("\e[L"  [insertline])
  49                ("\e[M"  [deleteline])
  50                ("\e[U"  [next]) ;; actually the `page' key
  51
  52                ;; These won't be set up by either
  53                ("\eOm"  [kp-subtract])
  54                ("\eOl"  [kp-separator])
  55                ("\eOn"  [kp-decimal])
  56                ("\eOM"  [kp-enter])
  57
  58                ;; These won't be set up by either either
  59                ("\e[K"  [key_eol])      ;; Not an X keysym
  60                ("\e[J"  [key_eos])      ;; Not an X keysym
  61                ("\e[2J" [key_clear])    ;; Not an X keysym
  62                ("\e[P"  [key_dc])       ;; Not an X keysym
  63                ("\e[g"  [S-tab])        ;; Not an X keysym
  64                ("\e[2N" [clearentry])   ;; Not an X keysym
  65                ("\e[2K" [S-clearentry]) ;; Not an X keysym
  66                ("\e[E"  [?\C-j])        ;; Not an X keysym
  67                ("\e[g"  [S-backtab])    ;; Not an X keysym
  68                ("\e[?1i"        [key_sprint]) ;; Not an X keysym
  69                ("\e[4h" [key_sic])            ;; Not an X keysym
  70                ("\e[4l" [S-delete])           ;; Not an X keysym
  71                ("\e[Q"  [S-insertline])       ;; Not an X keysym
  72                ("\e[1Q" [key_sdl])            ;; Not an X keysym
  73                ("\e[19l"        [key_seol])   ;; Not an X keysym
  74                ("\e[19h"        [S-erasepage]) ;; Not an X keysym
  75                ("\e[V"  [S-page])              ;; Not an X keysym
  76                ("\eS"   [send])                ;; Not an X keysym
  77                ("\e5"   [S-send])              ;; Not an X keysym
  78                ))
  79       (define-key map (car key-binding) (nth 1 key-binding)))
  80
  81
  82     ;; The numeric keypad keys.
  83     (dotimes (i 10)
  84       (define-key map (format "\eO%c" (+ i ?p))
  85         (vector (intern (format "kp-%d" i)))))
  86     ;; The numbered function keys.
  87     (dotimes (i 16)
  88       (define-key map (format "\e?%c" (+ i ?a))
  89         (vector (intern (format "f%d" (1+ i)))))
  90       (define-key map (format "\e?%c" (+ i ?A))
  91         (vector (intern (format "S-f%d" (1+ i))))))
  92     map))
  93
  94 (defun terminal-init-tvi970 ()
  95   "Terminal initialization function for tvi970."
  96   ;; Use inheritance to let the main keymap override these defaults.
  97   ;; This way we don't override terminfo-derived settings or settings
  98   ;; made in the .emacs file.
  99   (let ((m (copy-keymap tvi970-terminal-map)))
 100     (set-keymap-parent m (keymap-parent input-decode-map))
 101     (set-keymap-parent input-decode-map m))
 102   (tvi970-set-keypad-mode 1))
 103
 104 \f
 105 ;; Should keypad numbers send ordinary digits or distinct escape sequences?
 106 (define-minor-mode tvi970-set-keypad-mode
 107   "Toggle alternate keypad mode on TVI 970 keypad.
 108 With a prefix argument ARG, enable the mode if ARG is positive,
 109 and disable it otherwise.  If called from Lisp, enable the mode
 110 if ARG is omitted or nil.
 111
 112 In ``alternate keypad mode'', the keys send distinct escape
 113 sequences, meaning that they can have their own bindings,
 114 independent of the normal number keys.
 115
 116 When disabled, the terminal enters ``numeric keypad mode'', in
 117 which the keypad's keys act as ordinary digits."
 118   :variable (terminal-parameter nil 'tvi970-keypad-numeric)
 119   (send-string-to-terminal
 120    (if (terminal-parameter nil 'tvi970-keypad-numeric) "\e=" "\e>")))
 121
 122 ;;; tvi970.el ends here