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;;; iso-transl.el --- keyboard input definitions for ISO 8859/1.
;; Copyright (C) 1987, 1993, 1994, 1995 Free Software Foundation, Inc.
;; Author: Howard Gayle
;; Maintainer: FSF
;; Keywords: i18n
;; 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 2, 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; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;; Commentary:
;; Loading this package defines three ways of entering the non-ASCII
;; printable characters with codes above 127: the prefix C-x 8, or the
;; Alt key, or a dead accent key. For example, you can enter uppercase
;; A-umlaut as `C-x 8 " A' or `Alt-" A' (if you have an Alt key) or
;; `umlaut A' (if you have an umlaut/diaeresis key).
;;; Code:
(defvar iso-transl-dead-key-alist
'((?\' . mute-acute)
(?\` . mute-grave)
(?\" . mute-diaeresis)
(?\^ . mute-asciicircum)
(?\~ . mute-asciitilde))
"Mapping of ASCII characters to their corresponding dead-key symbols.")
;; Some X servers use these alternate names.
(or key-translation-map
(setq key-translation-map (make-sparse-keymap)))
(define-key key-translation-map [dead-acute] [mute-acute])
(define-key key-translation-map [dead-grave] [mute-grave])
(define-key key-translation-map [dead-diaeresis] [mute-diaeresis])
(define-key key-translation-map [dead-asciicircum] [mute-asciicircum])
(define-key key-translation-map [dead-asciitilde] [mute-asciitilde])
;; Someone reports that these keys don't work if shifted.
;; This might fix it--no word yet.
(define-key key-translation-map [S-dead-acute] [mute-acute])
(define-key key-translation-map [S-dead-grave] [mute-grave])
(define-key key-translation-map [S-dead-diaeresis] [mute-diaeresis])
(define-key key-translation-map [S-dead-asciicircum] [mute-asciicircum])
(define-key key-translation-map [S-dead-asciitilde] [mute-asciitilde])
;; The two-character mnemonics are intended to be available in all languages.
;; The ones beginning with `*' have one-character synonyms, but a
;; language-specific table might override the short form for its own use.
(defvar iso-transl-char-map
'(("* " . [160])(" " . [160])
("*!" . [161])("!" . [161])
("\"\"" . [168])
("\"A" . [196])
("\"E" . [203])
("\"I" . [207])
("\"O" . [214])
("\"U" . [220])
("\"a" . [228])
("\"e" . [235])
("\"i" . [239])
("\"o" . [246])
("\"s" . [223])
("\"u" . [252])
("\"y" . [255])
("''" . [180])
("'A" . [193])
("'E" . [201])
("'I" . [205])
("'O" . [211])
("'U" . [218])
("'Y" . [221])
("'a" . [225])
("'e" . [233])
("'i" . [237])
("'o" . [243])
("'u" . [250])
("'y" . [253])
("*$" . [164])("$" . [164])
("*+" . [177])("+" . [177])
(",," . [184])
(",C" . [199])
(",c" . [231])
("*-" . [173])("-" . [173])
("*." . [183])("." . [183])
("//" . [247])
("/A" . [197])
("/E" . [198])
("/O" . [216])
("/a" . [229])
("/e" . [230])
("/o" . [248])
("1/2" . [189])
("1/4" . [188])
("3/4" . [190])
("*<" . [171])("<" . [171])
("*=" . [175])("=" . [175])
("*>" . [187])(">" . [187])
("*?" . [191])("?" . [191])
("*C" . [169])("C" . [169])
("*L" . [163])("L" . [163])
("*P" . [182])("P" . [182])
("*R" . [174])("R" . [174])
("*S" . [167])("S" . [167])
("*Y" . [165])("Y" . [165])
("^1" . [185])
("^2" . [178])
("^3" . [179])
("^A" . [194])
("^E" . [202])
("^I" . [206])
("^O" . [212])
("^U" . [219])
("^a" . [226])
("^e" . [234])
("^i" . [238])
("^o" . [244])
("^u" . [251])
("_a" . [170])
("_o" . [186])
("`A" . [192])
("`E" . [200])
("`I" . [204])
("`O" . [210])
("`U" . [217])
("`a" . [224])
("`e" . [232])
("`i" . [236])
("`o" . [242])
("`u" . [249])
("*c" . [162])("c" . [162])
("*o" . [176])("o" . [176])
("*u" . [181])("u" . [181])
("*m" . [181])("m" . [181])
("*x" . [215])("x" . [215])
("*|" . [166])("|" . [166])
("~A" . [195])
("~D" . [208])
("~N" . [209])
("~O" . [213])
("~T" . [222])
("~a" . [227])
("~d" . [240])
("~n" . [241])
("~o" . [245])
("~t" . [254])
("~~" . [172]))
"Alist of character translations for entering ISO characters.
Each element has the form (STRING . VECTOR).
The sequence STRING of ASCII chars translates into the
sequence VECTOR. (VECTOR is normally one character long.)")
;; Language-specific translation lists.
(defvar iso-transl-language-alist
'(("Esperanto"
("C" . [198])
("G" . [216])
("H" . [166])
("J" . [172])
("S" . [222])
("U" . [221])
("c" . [230])
("g" . [248])
("h" . [182])
("j" . [188])
("s" . [254])
("u" . [253]))
("French"
("C" . [199])
("c" . [231]))
("German"
("A" . [196])
("O" . [214])
("U" . [220])
("a" . [228])
("o" . [246])
("s" . [223])
("u" . [252]))
("Portuguese"
("C" . [199])
("c" . [231]))
("Spanish"
("!" . [161])
("?" . [191])
("N" . [241])
("n" . [209]))))
(defvar iso-transl-ctl-x-8-map nil
"Keymap for C-x 8 prefix.")
(or iso-transl-ctl-x-8-map
(setq iso-transl-ctl-x-8-map (make-sparse-keymap)))
(or key-translation-map
(setq key-translation-map (make-sparse-keymap)))
(define-key key-translation-map "\C-x8" iso-transl-ctl-x-8-map)
;; For each entry in the alist, we'll make up to three ways to generate
;; the character in question: the prefix `C-x 8'; the ALT modifier on
;; the first key of the sequence; and (if applicable) replacing the first
;; key of the sequence with the corresponding dead key. For example, a
;; character associated with the string "~n" can be input with `C-x 8 ~ n'
;; or `Alt-~ n' or `mute-asciitilde n'.
(defun iso-transl-define-keys (alist)
(while alist
(define-key iso-transl-ctl-x-8-map (car (car alist)) (cdr (car alist)))
(let ((vec (vconcat (car (car alist))))
(deadpair (assq (aref (car (car alist)) 0)
iso-transl-dead-key-alist)))
(aset vec 0 (logior (aref vec 0) ?\A-\^@))
(define-key key-translation-map vec (cdr (car alist)))
(define-key isearch-mode-map (vector (aref vec 0)) nil)
(if deadpair
(let ((deadvec (copy-sequence vec)))
(aset deadvec 0 (cdr deadpair))
(define-key isearch-mode-map (vector (aref deadvec 0)) nil)
(define-key key-translation-map deadvec (cdr (car alist))))))
(setq alist (cdr alist))))
(defun iso-transl-set-language (lang)
(interactive (list (let ((completion-ignore-case t))
(completing-read "Set which language? "
iso-transl-language-alist nil t))))
(iso-transl-define-keys (cdr (assoc lang iso-transl-language-alist))))
;; The standard mapping comes automatically. You can partially overlay it
;; with a language-specific mapping by using `M-x iso-transl-set-language'.
(iso-transl-define-keys iso-transl-char-map)
(define-key isearch-mode-map "\C-x" nil)
(define-key isearch-mode-map [?\C-x t] 'isearch-other-control-char)
(define-key isearch-mode-map "\C-x8" nil)
(provide 'iso-transl)
;;; iso-transl.el ends here
|
