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

   1 ;; internal.el -- setup support for PC keyboards and screens, internal terminal
   2
   3 ;; Copyright (C) 1993 Free Software Foundation, Inc.
   4
   5 ;; Author: Morten Welinder <terra@diku.dk>
   6 ;; Version: 1,01
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to
  22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23 ;; ---------------------------------------------------------------------------
  24 ;; screen setup -- that's easy!
  25 (standard-display-8bit 127 254)
  26 ;; ---------------------------------------------------------------------------
  27 ;; keyboard setup -- that's simple!
  28 (set-input-mode nil nil 0)
  29 (define-key global-map [mouse-1] 'mouse-set-point)
  30 (define-key function-key-map [backspace] "\177") ; Normal behaviour for BS
  31 (define-key function-key-map [delete] "\C-d")    ; ... and Delete
  32 (define-key function-key-map [tab] [?\t])
  33 (define-key function-key-map [linefeed] [?\n])
  34 (define-key function-key-map [clear] [11])
  35 (define-key function-key-map [return] [13])
  36 (define-key function-key-map [escape] [?\e])
  37 (define-key function-key-map [M-backspace] [?\M-\d])
  38 (define-key function-key-map [M-delete] [?\M-\d])
  39 (define-key function-key-map [M-tab] [?\M-\t])
  40 (define-key function-key-map [M-linefeed] [?\M-\n])
  41 (define-key function-key-map [M-clear] [?\M-\013])
  42 (define-key function-key-map [M-return] [?\M-\015])
  43 (define-key function-key-map [M-escape] [?\M-\e])
  44 (put 'backspace 'ascii-character 127)
  45 (put 'delete 'ascii-character 127)
  46 (put 'tab 'ascii-character ?\t)
  47 (put 'linefeed 'ascii-character ?\n)
  48 (put 'clear 'ascii-character 12)
  49 (put 'return 'ascii-character 13)
  50 (put 'escape 'ascii-character ?\e)
  51 ;; ---------------------------------------------------------------------------
  52 ;; We want to do this when Emacs is started because one day it will depend
  53 ;; on the country code.
  54 (let* ((i 128)
  55       (modify (function
  56                (lambda (ch sy)
  57                  (modify-syntax-entry ch sy text-mode-syntax-table)
  58                  (if (boundp 'tex-mode-syntax-table)
  59                      (modify-syntax-entry ch sy tex-mode-syntax-table))
  60                  (modify-syntax-entry ch sy (standard-syntax-table))
  61                  )))
  62       (downs (car (standard-case-table)))
  63       (ups (car (cdr (standard-case-table))))
  64       (chars "\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¤¥"))
  65   (while (< i 256)
  66     (funcall modify i "_")
  67     (setq i (1+ i)))
  68
  69   (setq i 0)
  70   (while (< i (length chars))
  71     (let ((ch1 (aref chars i))
  72           (ch2 (aref chars (1+ i))))
  73       (funcall modify ch1 "w")
  74       (funcall modify ch2 "w")
  75       (aset ups ch1 ch2)
  76       (if (> ch2 127)
  77           (aset downs ch2 ch1))
  78       (setq i (+ i 2))))
  79   (let ((table (list downs ups nil nil)))
  80     (save-excursion
  81       (mapcar (lambda (b) (progn (set-buffer b) (set-case-table table)))
  82               (buffer-list)))
  83     (set-standard-case-table table))
  84   )