lisp/term/tvi970.el

   1 ;;; tvi970.el --- terminal support for the Televideo 970
   2
   3 ;; Copyright (C) 1992, 2001-2015 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 ;;; Code:
  27
  28 (defvar tvi970-terminal-map
  29   (let ((map (make-sparse-keymap)))
  30
  31     ;; Miscellaneous keys
  32     (dolist (key-binding
  33              '(;; These are set up by termcap or terminfo
  34                ;; ("\eOP"       [kp-f1])
  35                ;; ("\eOQ"       [kp-f2])
  36                ;; ("\eOR"       [kp-f3])
  37                ;; ("\eOS"       [kp-f4])
  38
  39                ;; These might bre set by terminfo.
  40                ("\e[H"  [home])
  41                ("\e[Z"  [backtab])
  42                ("\e[i"  [print])
  43                ("\e[@"  [insert])
  44                ("\e[L"  [insertline])
  45                ("\e[M"  [deleteline])
  46                ("\e[U"  [next]) ;; actually the `page' key
  47
  48                ;; These won't be set up by either
  49                ("\eOm"  [kp-subtract])
  50                ("\eOl"  [kp-separator])
  51                ("\eOn"  [kp-decimal])
  52                ("\eOM"  [kp-enter])
  53
  54                ;; These won't be set up by either either
  55                ("\e[K"  [key_eol])      ;; Not an X keysym
  56                ("\e[J"  [key_eos])      ;; Not an X keysym
  57                ("\e[2J" [key_clear])    ;; Not an X keysym
  58                ("\e[P"  [key_dc])       ;; Not an X keysym
  59                ("\e[g"  [S-tab])        ;; Not an X keysym
  60                ("\e[2N" [clearentry])   ;; Not an X keysym
  61                ("\e[2K" [S-clearentry]) ;; Not an X keysym
  62                ("\e[E"  [?\C-j])        ;; Not an X keysym
  63                ("\e[g"  [S-backtab])    ;; Not an X keysym
  64                ("\e[?1i"        [key_sprint]) ;; Not an X keysym
  65                ("\e[4h" [key_sic])            ;; Not an X keysym
  66                ("\e[4l" [S-delete])           ;; Not an X keysym
  67                ("\e[Q"  [S-insertline])       ;; Not an X keysym
  68                ("\e[1Q" [key_sdl])            ;; Not an X keysym
  69                ("\e[19l"        [key_seol])   ;; Not an X keysym
  70                ("\e[19h"        [S-erasepage]) ;; Not an X keysym
  71                ("\e[V"  [S-page])              ;; Not an X keysym
  72                ("\eS"   [send])                ;; Not an X keysym
  73                ("\e5"   [S-send])              ;; Not an X keysym
  74                ))
  75       (define-key map (car key-binding) (nth 1 key-binding)))
  76
  77
  78     ;; The numeric keypad keys.
  79     (dotimes (i 10)
  80       (define-key map (format "\eO%c" (+ i ?p))
  81         (vector (intern (format "kp-%d" i)))))
  82     ;; The numbered function keys.
  83     (dotimes (i 16)
  84       (define-key map (format "\e?%c" (+ i ?a))
  85         (vector (intern (format "f%d" (1+ i)))))
  86       (define-key map (format "\e?%c" (+ i ?A))
  87         (vector (intern (format "S-f%d" (1+ i))))))
  88     map))
  89
  90 (defun terminal-init-tvi970 ()
  91   "Terminal initialization function for tvi970."
  92   ;; Use inheritance to let the main keymap override these defaults.
  93   ;; This way we don't override terminfo-derived settings or settings
  94   ;; made in the init file.
  95   (let ((m (copy-keymap tvi970-terminal-map)))
  96     (set-keymap-parent m (keymap-parent input-decode-map))
  97     (set-keymap-parent input-decode-map m))
  98   (tvi970-set-keypad-mode 1))
  99
 100 \f
 101 ;; Should keypad numbers send ordinary digits or distinct escape sequences?
 102 (define-minor-mode tvi970-set-keypad-mode
 103   "Toggle alternate keypad mode on TVI 970 keypad.
 104 With a prefix argument ARG, enable the mode if ARG is positive,
 105 and disable it otherwise.  If called from Lisp, enable the mode
 106 if ARG is omitted or nil.
 107
 108 In ``alternate keypad mode'', the keys send distinct escape
 109 sequences, meaning that they can have their own bindings,
 110 independent of the normal number keys.
 111
 112 When disabled, the terminal enters ``numeric keypad mode'', in
 113 which the keypad's keys act as ordinary digits."
 114   :variable (terminal-parameter nil 'tvi970-keypad-numeric)
 115   (send-string-to-terminal
 116    (if (terminal-parameter nil 'tvi970-keypad-numeric) "\e=" "\e>")))
 117
 118 ;;; tvi970.el ends here