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tc-ja-alnum.el
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;;; tc-ja-alnum.el --- a Japanese 2byte alphabet and number input method
;; Copyright (C) 2002 KITAJIMA Akira.
;; Author: KITAJIMA Akira <[email protected]>
;; Maintainer: KITAJIMA Akira
;; Keyword: input method
;; Create: 16 December, 2002
;; $Id: tc-ja-alnum.el,v 2.1 2002/12/18 02:38:57 kitajima Exp $
;; This program 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 of the License, or
;; (at your option) any later version.
;; This program 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 this program; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
;;; Commentary:
;; Do you *really* need this package? :-P
;;; Code:
(require 'tc)
(defvar tcode-2byte-alnum-mode nil)
(make-variable-buffer-local 'tcode-2byte-alnum-mode)
(defun tcode-2byte-alnum-inactivate ()
"Tコード2バイト英数モードを無効にする。"
(tcode-2byte-alnum-activate -1))
(defun tcode-2byte-alnum-mode-line-redisplay ()
(let ((slot (assoc current-input-method input-method-alist)))
(setq current-input-method-title (if tcode-2byte-alnum-mode
(nth 3 slot)
tcode-transparent-mode-indicator)))
(set-buffer-modified-p (buffer-modified-p)))
(defun tcode-2byte-alnum-activate (&optional arg)
"Tコード2バイト英数モードを有効にする。ARGが負の整数のときは無効にする。"
(if (and arg
(< (prefix-numeric-value arg) 0))
;; inactivate T-Code mode
(unwind-protect
(progn
(setq tcode-2byte-alnum-mode nil)
(run-hooks 'input-method-inactivate-hook))
(setq input-method-function nil))
;; activate T-Code mode
(setq tcode-2byte-alnum-mode t)
(run-hooks 'input-method-activate-hook)
(when (boundp 'input-method-function)
(set (make-local-variable 'input-method-function)
'tcode-2byte-alnum-input-method)))
(tcode-2byte-alnum-mode-line-redisplay))
;;;###autoload
(defun tcode-use-2byte-alnum (package-name &rest libraries)
(setq inactivate-current-input-method-function 'tcode-2byte-alnum-inactivate
describe-current-input-method-function nil
current-input-method package-name)
(tcode-2byte-alnum-mode 1))
(defun tcode-2byte-alnum-mode (&optional arg)
(interactive "P")
(tcode-2byte-alnum-activate (or arg
(if tcode-2byte-alnum-mode -1 1)))
(tcode-2byte-alnum-mode-line-redisplay))
(defun tcode-2byte-alnum-input-method (ch)
"The 2byte alnum input function for T-Code."
(setq last-command 'self-insert-command
last-command-char ch)
(list (tcode-1-to-2 ch)))
(unless (boundp 'input-method-function)
(defun tcode-2byte-alnum-self-insert-command (&optional arg)
"Translate character and insert."
(interactive "P")
(let ((ch (car (tcode-2byte-alnum-input-method last-command-char))))
(insert (char-to-string ch))))
;; マイナーモード
(unless (assq 'tcode-2byte-alnum-mode minor-mode-alist)
(setq minor-mode-alist
(cons (list 'tcode-2byte-alnum-mode nil) minor-mode-alist)))
(defvar tcode-2byte-alnum-mode-map nil)
(if (boundp 'minor-mode-map-alist)
(progn
;; 自動的にマイナーモードキーマップに変更
(unless tcode-2byte-alnum-mode-map
(setq tcode-2byte-alnum-mode-map (make-keymap))
(let ((c ? ))
(while (< c ?~)
(define-key tcode-2byte-alnum-mode-map
(char-to-string c)
'tcode-2byte-alnum-self-insert-command)
(setq c (1+ c)))))
(or (assq 'tcode-2byte-alnum-mode minor-mode-map-alist)
(setq minor-mode-map-alist
(cons (cons 'tcode-2byte-alnum-mode
tcode-2byte-alnum-mode-map)
minor-mode-map-alist))))
;; 自前でマイナーモードキーマップに変更
(make-variable-buffer-local 'tcode-2byte-alnum-mode-map)
(defvar tcode-2byte-alnum-original-local-map nil)
(make-variable-buffer-local 'tcode-2byte-alnum-original-local-map)
(unless (fboundp 'tcode:tcode-2byte-alnum-activate)
(fset 'tcode:tcode-2byte-alnum-activate
(symbol-function 'tcode-2byte-alnum-activate))
(defun tcode-2byte-alnum-activate (&optional arg)
(or tcode-2byte-alnum-mode
(setq tcode-2byte-alnum-original-local-map
(or (current-local-map)
(current-global-map))))
(unless tcode-2byte-alnum-mode-map
(setq tcode-2byte-alnum-mode-map
(if tcode-2byte-alnum-original-local-map
(copy-keymap tcode-2byte-alnum-original-local-map)
(make-sparse-keymap)))
(let ((i ? ))
(while (< i ?~)
(define-key tcode-2byte-alnum-mode-map
(char-to-string i)
'tcode-2byte-alnum-self-insert-command)
(setq i (1+ i)))))
(tcode:tcode-2byte-alnum-activate arg)
(use-local-map (if tcode-2byte-alnum-mode
tcode-2byte-alnum-mode-map
(or tcode-2byte-alnum-original-local-map
(current-local-map)
(current-global-map))))))))
(register-input-method "japanese-2byte-alnum"
"Japanese"
'tcode-use-2byte-alnum
"Ａ"
"a Japanese 2byte alphabet and number input method")
(provide 'tc-ja-alnum)
;;; tc-ja-alnum.el ends here