(kkc-region): New arg

[bpt/emacs.git] / lisp / international / isearch-x.el

;;; isearch-x.el --- extended isearch handling commands

;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
;; Licensed to the Free Software Foundation.

;; Keywords: multilingual, isearch

;; Author: Kenichi HANDA <handa@etl.go.jp>
;; Maintainer: Kenichi HANDA <handa@etl.go.jp>

;; 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, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Code:

;;;###autoload
(defvar isearch-input-method nil
  "Input method activated in interactive search.")

(defvar isearch-input-method-title nil
  "Title string of input method activated in interactive search.")

;;;###autoload
(defun isearch-toggle-specified-input-method ()
  "Select an input method and turn it on in interactive search."
  (interactive)
  (setq isearch-input-method nil)
  (let ((default-input-method nil))
    (isearch-toggle-input-method)))

;;;###autoload
(defun isearch-toggle-input-method ()
  "Toggle input method in interactive search."
  (interactive)
  (if isearch-input-method
      (setq isearch-input-method nil)
    (setq isearch-input-method
	  (or default-input-method
	      (let ((overriding-terminal-local-map nil))
		(read-input-method-name "Input method: "))))
    (if isearch-input-method
	(setq isearch-input-method-title
	      (nth 3 (assoc isearch-input-method input-method-alist)))
      (ding)))
  (isearch-update))

(defun isearch-input-method-after-insert-chunk-function ()
  (funcall inactivate-current-input-method-function))

(defun isearch-process-search-multibyte-characters (last-char)
  (let ((overriding-terminal-local-map nil)
	;; Let input method exit when a chunk is inserted.
	(input-method-after-insert-chunk-hook
	 '(isearch-input-method-after-insert-chunk-function))
	(input-method-inactivate-hook '(exit-minibuffer))
	;; Let input method work rather tersely.
	(input-method-verbose-flag nil)
	str)
    (setq unread-command-events (cons last-char unread-command-events))
    (setq str (read-multilingual-string
	       (concat (isearch-message-prefix) isearch-message)
	       nil
	       isearch-input-method))
    (isearch-process-search-string str str)))

;;; isearch-x.el ends here