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134 lines
4.6 KiB
EmacsLisp
134 lines
4.6 KiB
EmacsLisp
;;; isearch-x.el --- extended isearch handling commands
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;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
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;; Licensed to the Free Software Foundation.
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;; Copyright (C) 2001 Free Software Foundation, Inc.
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;; Keywords: multilingual, isearch
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;; Author: Kenichi HANDA <handa@etl.go.jp>
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;; Maintainer: Kenichi HANDA <handa@etl.go.jp>
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;; Code:
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;;;###autoload
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(defun isearch-toggle-specified-input-method ()
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"Select an input method and turn it on in interactive search."
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(interactive)
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(let ((overriding-terminal-local-map nil))
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(toggle-input-method t))
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(setq isearch-input-method-function input-method-function
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isearch-input-method-local-p t)
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(setq input-method-function nil)
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(isearch-update))
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;;;###autoload
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(defun isearch-toggle-input-method ()
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"Toggle input method in interactive search."
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(interactive)
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(let ((overriding-terminal-local-map nil))
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(toggle-input-method))
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(setq isearch-input-method-function input-method-function
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isearch-input-method-local-p t)
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(setq input-method-function nil)
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(isearch-update))
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(defvar isearch-minibuffer-local-map
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(let ((map (copy-keymap minibuffer-local-map)))
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(define-key map [with-keyboard-coding] 'isearch-with-keyboard-coding)
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(define-key map [with-input-method] 'isearch-with-input-method)
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map)
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"Keymap to use in minibuffer for multibyte character inputting in isearch.")
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;; Exit from recursive edit safely. Set in `after-change-functions'
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;; by isearch-with-keyboard-coding.
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(defun isearch-exit-recursive-edit (start end length)
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(interactive)
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(throw 'exit nil))
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;; Simulate character decoding by the keyboard coding system in the
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;; current buffer (minibuffer). As soon as a character is inserted,
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;; it exits from minibuffer.
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(defun isearch-with-keyboard-coding ()
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(interactive)
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(let ((after-change-functions '(isearch-exit-recursive-edit)))
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(recursive-edit))
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(exit-minibuffer))
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;; Simulate the work of the current input method in the current buffer
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;; (minibuffer).
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(defun isearch-with-input-method ()
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(interactive)
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(let ((key (car unread-command-events))
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events)
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(setq unread-command-events (cdr unread-command-events)
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events (funcall input-method-function key))
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;; EVENTS is a list of events the input method has generated. It
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;; contains a character event and/or the special event
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;; `compose-last-chars'. We extract only character events and
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;; insert the corresponding characters.
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(while events
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(if (integerp (car events)) (insert (car events)))
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(setq events (cdr events)))
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(exit-minibuffer)))
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;;;###autoload
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(defun isearch-process-search-multibyte-characters (last-char)
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(if (eq this-command 'isearch-printing-char)
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(let ((overriding-terminal-local-map nil)
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(prompt (concat (isearch-message-prefix) isearch-message))
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(minibuffer-local-map isearch-minibuffer-local-map)
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str)
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(if isearch-input-method-function
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(let (;; Let input method work rather tersely.
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(input-method-verbose-flag nil))
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(setq unread-command-events
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(cons 'with-input-method
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(cons last-char unread-command-events))
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;; Inherit current-input-method in a minibuffer.
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str (read-string prompt nil nil nil t))
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(if (not str)
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;; All inputs were deleted while the input method
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;; was working.
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(setq str "")
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(if (and (= (length str) 1)
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(= (aref str 0) last-char)
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(>= last-char 128))
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;; The input method couldn't handle LAST-CHAR.
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(setq str nil)))))
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(if (and (not str) (keyboard-coding-system))
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(setq unread-command-events
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(cons 'with-keyboard-coding
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(cons last-char unread-command-events))
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str (read-string prompt)))
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(if (and str (> (length str) 0))
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(let ((unread-command-events nil))
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(isearch-process-search-string str str))
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(isearch-update)))
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(isearch-process-search-char last-char)))
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;;; isearch-x.el ends here
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