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118 lines
4.4 KiB
EmacsLisp
118 lines
4.4 KiB
EmacsLisp
;;; tvi970.el --- terminal support for the Televideo 970 -*- lexical-binding: t -*-
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;; Copyright (C) 1992, 2001-2021 Free Software Foundation, Inc.
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;; Author: Jim Blandy <jimb@occs.cs.oberlin.edu>
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;; Keywords: terminals
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;; Created: January 1992
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(defvar tvi970-terminal-map
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(let ((map (make-sparse-keymap)))
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;; Miscellaneous keys
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(dolist (key-binding
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'(;; These are set up by termcap or terminfo
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;; ("\eOP" [kp-f1])
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;; ("\eOQ" [kp-f2])
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;; ("\eOR" [kp-f3])
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;; ("\eOS" [kp-f4])
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;; These might be set by terminfo.
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("\e[H" [home])
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("\e[Z" [backtab])
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("\e[i" [print])
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("\e[@" [insert])
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("\e[L" [insertline])
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("\e[M" [deleteline])
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("\e[U" [next]) ;; actually the `page' key
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;; These won't be set up by either.
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("\eOm" [kp-subtract])
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("\eOl" [kp-separator])
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("\eOn" [kp-decimal])
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("\eOM" [kp-enter])
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;; These won't be set up by either.
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("\e[K" [key_eol]) ;; Not an X keysym
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("\e[J" [key_eos]) ;; Not an X keysym
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("\e[2J" [key_clear]) ;; Not an X keysym
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("\e[P" [key_dc]) ;; Not an X keysym
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("\e[g" [S-tab]) ;; Not an X keysym
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("\e[2N" [clearentry]) ;; Not an X keysym
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("\e[2K" [S-clearentry]) ;; Not an X keysym
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("\e[E" [?\C-j]) ;; Not an X keysym
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("\e[g" [S-backtab]) ;; Not an X keysym
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("\e[?1i" [key_sprint]) ;; Not an X keysym
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("\e[4h" [key_sic]) ;; Not an X keysym
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("\e[4l" [S-delete]) ;; Not an X keysym
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("\e[Q" [S-insertline]) ;; Not an X keysym
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("\e[1Q" [key_sdl]) ;; Not an X keysym
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("\e[19l" [key_seol]) ;; Not an X keysym
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("\e[19h" [S-erasepage]) ;; Not an X keysym
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("\e[V" [S-page]) ;; Not an X keysym
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("\eS" [send]) ;; Not an X keysym
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("\e5" [S-send]) ;; Not an X keysym
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))
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(define-key map (car key-binding) (nth 1 key-binding)))
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;; The numeric keypad keys.
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(dotimes (i 10)
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(define-key map (format "\eO%c" (+ i ?p))
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(vector (intern (format "kp-%d" i)))))
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;; The numbered function keys.
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(dotimes (i 16)
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(define-key map (format "\e?%c" (+ i ?a))
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(vector (intern (format "f%d" (1+ i)))))
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(define-key map (format "\e?%c" (+ i ?A))
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(vector (intern (format "S-f%d" (1+ i))))))
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map))
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(defun terminal-init-tvi970 ()
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"Terminal initialization function for tvi970."
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;; Use inheritance to let the main keymap override these defaults.
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;; This way we don't override terminfo-derived settings or settings
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;; made in the init file.
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(let ((m (copy-keymap tvi970-terminal-map)))
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(set-keymap-parent m (keymap-parent input-decode-map))
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(set-keymap-parent input-decode-map m))
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(tvi970-set-keypad-mode 1))
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;; Should keypad numbers send ordinary digits or distinct escape sequences?
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(define-minor-mode tvi970-set-keypad-mode
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"Toggle alternate keypad mode on TVI 970 keypad.
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In alternate keypad mode, the keys send distinct escape
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sequences, meaning that they can have their own bindings,
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independent of the normal number keys.
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When disabled, the terminal enters numeric keypad mode, in
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which the keypad's keys act as ordinary digits."
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:variable (terminal-parameter nil 'tvi970-keypad-numeric)
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(send-string-to-terminal
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(if (terminal-parameter nil 'tvi970-keypad-numeric) "\e=" "\e>")))
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(provide 'term/tvi970)
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;;; tvi970.el ends here
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