code.delx.au - gnu-emacs/blob - lisp/term/internal.el

   1 ;;; internal.el --- support for PC internal terminal -*- coding: raw-text; -*-
   2
   3 ;; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
   4
   5 ;; Author: Morten Welinder <terra@diku.dk>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 2, or (at your option)
  12 ;; any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22 ;; Boston, MA 02111-1307, USA.
  23
  24 ;;; Code:
  25
  26 ;; ---------------------------------------------------------------------------
  27 ;; screen setup -- that's easy!
  28 (standard-display-8bit 127 254)
  29 ;; ---------------------------------------------------------------------------
  30 ;; keyboard setup -- that's simple!
  31 (set-input-mode nil nil 0)
  32 (define-key function-key-map [backspace] "\177") ; Normal behaviour for BS
  33 (define-key function-key-map [delete] "\C-d")    ; ... and Delete
  34 (define-key function-key-map [tab] [?\t])
  35 (define-key function-key-map [linefeed] [?\n])
  36 (define-key function-key-map [clear] [11])
  37 (define-key function-key-map [return] [13])
  38 (define-key function-key-map [escape] [?\e])
  39 (define-key function-key-map [M-backspace] [?\M-\d])
  40 (define-key function-key-map [M-delete] [?\M-\d])
  41 (define-key function-key-map [M-tab] [?\M-\t])
  42 (define-key function-key-map [M-linefeed] [?\M-\n])
  43 (define-key function-key-map [M-clear] [?\M-\013])
  44 (define-key function-key-map [M-return] [?\M-\015])
  45 (define-key function-key-map [M-escape] [?\M-\e])
  46 (put 'backspace 'ascii-character 127)
  47 (put 'delete 'ascii-character 127)
  48 (put 'tab 'ascii-character ?\t)
  49 (put 'linefeed 'ascii-character ?\n)
  50 (put 'clear 'ascii-character 12)
  51 (put 'return 'ascii-character 13)
  52 (put 'escape 'ascii-character ?\e)
  53 ;; ---------------------------------------------------------------------------
  54 ;; We want to do this when Emacs is started because it depends on the
  55 ;; country code.
  56 (let* ((i 128)
  57       (modify (function
  58                (lambda (ch sy)
  59                  (modify-syntax-entry ch sy text-mode-syntax-table)
  60                  (if (boundp 'tex-mode-syntax-table)
  61                      (modify-syntax-entry ch sy tex-mode-syntax-table))
  62                  (modify-syntax-entry ch sy (standard-syntax-table))
  63                  )))
  64       (table (standard-case-table))
  65       ;; The following are strings of letters, first lower then upper case.
  66       ;; This will look funny on terminals which display other code pages.
  67       (chars
  68        (cond
  69         ((= dos-codepage 850)
  70          "\87\80\81\9a\82\90\83¶\84\8e\85·\86\8fÆÇ µ\88Ò\89Ó\8aÔ\8bØ\8c×\8dÞ¡Ö\91\92\93â\94\99\95ã¢à\9b\9d\96ê£é\97ë\98Yìí¡I£é¤¥ÐÑçè")
  71         ((= dos-codepage 865)
  72          "\87\80\81\9a\82\90\83A\84\8e\85A\86\8f\88E\89E\8aE\8bI\8cI\8dI\91\92\93O\94\99\95O\96U£U\98Y\9b\9d A¡I¢O£U¤¥")
  73         ;; default is 437
  74         (t "\87\80\81\9a\82\90\83A\84\8e\85A\86\8f\88E\89E\8aE\8bI\8cI\8dI\91\92\93O\94\99\95O\96U£U\98Y A¡I¢O£U¤¥"))))
  75
  76   (while (< i 256)
  77     (funcall modify i "_")
  78     (setq i (1+ i)))
  79
  80   (setq i 0)
  81   (while (< i (length chars))
  82     (let ((ch1 (aref chars i))
  83           (ch2 (aref chars (1+ i))))
  84       (if (> ch2 127)
  85           (set-case-syntax-pair ch2 ch1 table))
  86       (setq i (+ i 2))))
  87   (save-excursion
  88     (mapcar (lambda (b) (set-buffer b) (set-case-table table))
  89             (buffer-list)))
  90   (set-standard-case-table table))
  91
  92 ;;; internal.el ends here
  93