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;;; tvi970.el --- terminal support for the Televideo 970
;; Copyright (C) 1992, 2001-2014 Free Software Foundation, Inc.
;; Author: Jim Blandy <jimb@occs.cs.oberlin.edu>
;; Keywords: terminals
;; Created: January 1992
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Uses the Emacs 19 terminal initialization features --- won't work with 18.
;;; Code:
(defvar tvi970-terminal-map
(let ((map (make-sparse-keymap)))
;; Miscellaneous keys
(dolist (key-binding
'(;; These are set up by termcap or terminfo
;; ("\eOP" [kp-f1])
;; ("\eOQ" [kp-f2])
;; ("\eOR" [kp-f3])
;; ("\eOS" [kp-f4])
;; These might bre set by terminfo.
("\e[H" [home])
("\e[Z" [backtab])
("\e[i" [print])
("\e[@" [insert])
("\e[L" [insertline])
("\e[M" [deleteline])
("\e[U" [next]) ;; actually the `page' key
;; These won't be set up by either
("\eOm" [kp-subtract])
("\eOl" [kp-separator])
("\eOn" [kp-decimal])
("\eOM" [kp-enter])
;; These won't be set up by either either
("\e[K" [key_eol]) ;; Not an X keysym
("\e[J" [key_eos]) ;; Not an X keysym
("\e[2J" [key_clear]) ;; Not an X keysym
("\e[P" [key_dc]) ;; Not an X keysym
("\e[g" [S-tab]) ;; Not an X keysym
("\e[2N" [clearentry]) ;; Not an X keysym
("\e[2K" [S-clearentry]) ;; Not an X keysym
("\e[E" [?\C-j]) ;; Not an X keysym
("\e[g" [S-backtab]) ;; Not an X keysym
("\e[?1i" [key_sprint]) ;; Not an X keysym
("\e[4h" [key_sic]) ;; Not an X keysym
("\e[4l" [S-delete]) ;; Not an X keysym
("\e[Q" [S-insertline]) ;; Not an X keysym
("\e[1Q" [key_sdl]) ;; Not an X keysym
("\e[19l" [key_seol]) ;; Not an X keysym
("\e[19h" [S-erasepage]) ;; Not an X keysym
("\e[V" [S-page]) ;; Not an X keysym
("\eS" [send]) ;; Not an X keysym
("\e5" [S-send]) ;; Not an X keysym
))
(define-key map (car key-binding) (nth 1 key-binding)))
;; The numeric keypad keys.
(dotimes (i 10)
(define-key map (format "\eO%c" (+ i ?p))
(vector (intern (format "kp-%d" i)))))
;; The numbered function keys.
(dotimes (i 16)
(define-key map (format "\e?%c" (+ i ?a))
(vector (intern (format "f%d" (1+ i)))))
(define-key map (format "\e?%c" (+ i ?A))
(vector (intern (format "S-f%d" (1+ i))))))
map))
(defun terminal-init-tvi970 ()
"Terminal initialization function for tvi970."
;; Use inheritance to let the main keymap override these defaults.
;; This way we don't override terminfo-derived settings or settings
;; made in the init file.
(let ((m (copy-keymap tvi970-terminal-map)))
(set-keymap-parent m (keymap-parent input-decode-map))
(set-keymap-parent input-decode-map m))
(tvi970-set-keypad-mode 1))
;; Should keypad numbers send ordinary digits or distinct escape sequences?
(define-minor-mode tvi970-set-keypad-mode
"Toggle alternate keypad mode on TVI 970 keypad.
With a prefix argument ARG, enable the mode if ARG is positive,
and disable it otherwise. If called from Lisp, enable the mode
if ARG is omitted or nil.
In ``alternate keypad mode'', the keys send distinct escape
sequences, meaning that they can have their own bindings,
independent of the normal number keys.
When disabled, the terminal enters ``numeric keypad mode'', in
which the keypad's keys act as ordinary digits."
:variable (terminal-parameter nil 'tvi970-keypad-numeric)
(send-string-to-terminal
(if (terminal-parameter nil 'tvi970-keypad-numeric) "\e=" "\e>")))
;;; tvi970.el ends here
|
