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