lisp/language/korea-util.el

   1 ;;; korea-util.el --- utilities for Korean
   2
   3 ;; Copyright (C) 1997, 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   4 ;;   Free Software Foundation, Inc.
   5 ;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   6 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   7 ;;   Registration Number H14PRO021
   8
   9 ;; Keywords: mule, multilingual, Korean
  10
  11 ;; This file is part of GNU Emacs.
  12
  13 ;; GNU Emacs is free software; you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation; either version 3, or (at your option)
  16 ;; any later version.
  17
  18 ;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  25 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  26 ;; Boston, MA 02110-1301, USA.
  27
  28 ;;; Commentary:
  29
  30 ;;; Code:
  31
  32 ;;;###autoload
  33 (defvar default-korean-keyboard
  34   (if (string-match "3" (or (getenv "HANGUL_KEYBOARD_TYPE") ""))
  35       "3"
  36     "")
  37   "*The kind of Korean keyboard for Korean input method.
  38 \"\" for 2, \"3\" for 3.")
  39
  40 ;; functions useful for Korean text input
  41
  42 (defun toggle-korean-input-method ()
  43   "Turn on or off a Korean text input method for the current buffer."
  44   (interactive)
  45   (if current-input-method
  46       (inactivate-input-method)
  47     (activate-input-method
  48      (concat "korean-hangul" default-korean-keyboard))))
  49
  50 (defun quail-hangul-switch-symbol-ksc (&rest ignore)
  51   "Swith to/from Korean symbol package."
  52   (interactive "i")
  53   (and current-input-method
  54        (if (string-equal current-input-method "korean-symbol")
  55            (activate-input-method (concat "korean-hangul"
  56                                           default-korean-keyboard))
  57          (activate-input-method "korean-symbol"))))
  58
  59 (defun quail-hangul-switch-hanja (&rest ignore)
  60   "Swith to/from Korean hanja package."
  61   (interactive "i")
  62   (and current-input-method
  63        (if (string-match "korean-hanja" current-input-method)
  64            (activate-input-method (concat "korean-hangul"
  65                                           default-korean-keyboard))
  66          (activate-input-method (concat "korean-hanja"
  67                                         default-korean-keyboard)))))
  68
  69 ;; The following three commands are set in isearch-mode-map.
  70
  71 (defun isearch-toggle-korean-input-method ()
  72   (interactive)
  73   (let ((overriding-terminal-local-map nil))
  74     (toggle-korean-input-method))
  75   (setq isearch-input-method-function input-method-function
  76         isearch-input-method-local-p t)
  77   (setq input-method-function nil)
  78   (isearch-update))
  79
  80 (defun isearch-hangul-switch-symbol-ksc ()
  81   (interactive)
  82   (let ((overriding-terminal-local-map nil))
  83     (quail-hangul-switch-symbol-ksc))
  84   (setq isearch-input-method-function input-method-function
  85         isearch-input-method-local-p t)
  86   (setq input-method-function nil)
  87   (isearch-update))
  88
  89 (defun isearch-hangul-switch-hanja ()
  90   (interactive)
  91   (let ((overriding-terminal-local-map nil))
  92     (quail-hangul-switch-hanja))
  93   (setq isearch-input-method-function input-method-function
  94         isearch-input-method-local-p t)
  95   (setq input-method-function nil)
  96   (isearch-update))
  97
  98 ;; Information for setting and exiting Korean environment.
  99 (defvar korean-key-bindings
 100   `((global [?\S- ] toggle-korean-input-method nil)
 101     (global [C-f9] quail-hangul-switch-symbol-ksc nil)
 102     (global [f9]  quail-hangul-switch-hanja nil)
 103     (,isearch-mode-map [?\S- ] isearch-toggle-korean-input-method nil)
 104     (,isearch-mode-map [C-f9] isearch-hangul-switch-symbol-ksc nil)
 105     (,isearch-mode-map [f9] isearch-hangul-switch-hanja nil)))
 106
 107 ;;;###autoload
 108 (defun setup-korean-environment-internal ()
 109   (let ((key-bindings korean-key-bindings))
 110     (while key-bindings
 111       (let* ((this (car key-bindings))
 112              (key (nth 1 this))
 113              (new-def (nth 2 this))
 114              old-def)
 115         (if (eq (car this) 'global)
 116             (progn
 117               (setq old-def (global-key-binding key))
 118               (global-set-key key new-def))
 119           (setq old-def (lookup-key (car this) key))
 120           (define-key (car this) key new-def))
 121         (setcar (nthcdr 3 this) old-def))
 122       (setq key-bindings (cdr key-bindings)))))
 123
 124 (defun exit-korean-environment ()
 125   "Exit Korean language environment."
 126   (let ((key-bindings korean-key-bindings))
 127     (while key-bindings
 128       (let* ((this (car key-bindings))
 129              (key (nth 1 this))
 130              (new-def (nth 2 this))
 131              (old-def (nth 3 this)))
 132         (if (eq (car this) 'global)
 133             (if (eq (global-key-binding key) new-def)
 134                 (global-set-key key old-def))
 135           (if (eq (lookup-key (car this) key) new-def)
 136               (define-key (car this) key old-def))))
 137       (setq key-bindings (cdr key-bindings)))))
 138
 139 ;;
 140 (provide 'korea-util)
 141
 142 ;;; arch-tag: b17d0981-05da-4577-99f8-1db87fff8b44
 143 ;;; korea-util.el ends here