lisp/term/tvi970.el

   1 ;;; tvi970.el --- terminal support for the Televideo 970
   2
   3 ;; Copyright (C) 1992, 2001-2014 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 (defvar tvi970-terminal-map
  31   (let ((map (make-sparse-keymap)))
  32
  33     ;; Miscellaneous keys
  34     (dolist (key-binding
  35              '(;; These are set up by termcap or terminfo
  36                ;; ("\eOP"       [kp-f1])
  37                ;; ("\eOQ"       [kp-f2])
  38                ;; ("\eOR"       [kp-f3])
  39                ;; ("\eOS"       [kp-f4])
  40
  41                ;; These might bre set by terminfo.
  42                ("\e[H"  [home])
  43                ("\e[Z"  [backtab])
  44                ("\e[i"  [print])
  45                ("\e[@"  [insert])
  46                ("\e[L"  [insertline])
  47                ("\e[M"  [deleteline])
  48                ("\e[U"  [next]) ;; actually the `page' key
  49
  50                ;; These won't be set up by either
  51                ("\eOm"  [kp-subtract])
  52                ("\eOl"  [kp-separator])
  53                ("\eOn"  [kp-decimal])
  54                ("\eOM"  [kp-enter])
  55
  56                ;; These won't be set up by either either
  57                ("\e[K"  [key_eol])      ;; Not an X keysym
  58                ("\e[J"  [key_eos])      ;; Not an X keysym
  59                ("\e[2J" [key_clear])    ;; Not an X keysym
  60                ("\e[P"  [key_dc])       ;; Not an X keysym
  61                ("\e[g"  [S-tab])        ;; Not an X keysym
  62                ("\e[2N" [clearentry])   ;; Not an X keysym
  63                ("\e[2K" [S-clearentry]) ;; Not an X keysym
  64                ("\e[E"  [?\C-j])        ;; Not an X keysym
  65                ("\e[g"  [S-backtab])    ;; Not an X keysym
  66                ("\e[?1i"        [key_sprint]) ;; Not an X keysym
  67                ("\e[4h" [key_sic])            ;; Not an X keysym
  68                ("\e[4l" [S-delete])           ;; Not an X keysym
  69                ("\e[Q"  [S-insertline])       ;; Not an X keysym
  70                ("\e[1Q" [key_sdl])            ;; Not an X keysym
  71                ("\e[19l"        [key_seol])   ;; Not an X keysym
  72                ("\e[19h"        [S-erasepage]) ;; Not an X keysym
  73                ("\e[V"  [S-page])              ;; Not an X keysym
  74                ("\eS"   [send])                ;; Not an X keysym
  75                ("\e5"   [S-send])              ;; Not an X keysym
  76                ))
  77       (define-key map (car key-binding) (nth 1 key-binding)))
  78
  79
  80     ;; The numeric keypad keys.
  81     (dotimes (i 10)
  82       (define-key map (format "\eO%c" (+ i ?p))
  83         (vector (intern (format "kp-%d" i)))))
  84     ;; The numbered function keys.
  85     (dotimes (i 16)
  86       (define-key map (format "\e?%c" (+ i ?a))
  87         (vector (intern (format "f%d" (1+ i)))))
  88       (define-key map (format "\e?%c" (+ i ?A))
  89         (vector (intern (format "S-f%d" (1+ i))))))
  90     map))
  91
  92 (defun terminal-init-tvi970 ()
  93   "Terminal initialization function for tvi970."
  94   ;; Use inheritance to let the main keymap override these defaults.
  95   ;; This way we don't override terminfo-derived settings or settings
  96   ;; made in the init file.
  97   (let ((m (copy-keymap tvi970-terminal-map)))
  98     (set-keymap-parent m (keymap-parent input-decode-map))
  99     (set-keymap-parent input-decode-map m))
 100   (tvi970-set-keypad-mode 1))
 101
 102 \f
 103 ;; Should keypad numbers send ordinary digits or distinct escape sequences?
 104 (define-minor-mode tvi970-set-keypad-mode
 105   "Toggle alternate keypad mode on TVI 970 keypad.
 106 With a prefix argument ARG, enable the mode if ARG is positive,
 107 and disable it otherwise.  If called from Lisp, enable the mode
 108 if ARG is omitted or nil.
 109
 110 In ``alternate keypad mode'', the keys send distinct escape
 111 sequences, meaning that they can have their own bindings,
 112 independent of the normal number keys.
 113
 114 When disabled, the terminal enters ``numeric keypad mode'', in
 115 which the keypad's keys act as ordinary digits."
 116   :variable (terminal-parameter nil 'tvi970-keypad-numeric)
 117   (send-string-to-terminal
 118    (if (terminal-parameter nil 'tvi970-keypad-numeric) "\e=" "\e>")))
 119
 120 ;;; tvi970.el ends here