lisp/international/isearch-x.el

   1 ;;; isearch-x.el --- extended isearch handling commands
   2
   3 ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN.
   4 ;; Licensed to the Free Software Foundation.
   5
   6 ;; Keywords: multilingual, isearch
   7
   8 ;; Author: Kenichi HANDA <handa@etl.go.jp>
   9 ;; Maintainer: Kenichi HANDA <handa@etl.go.jp>
  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 2, 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., 59 Temple Place - Suite 330,
  26 ;; Boston, MA 02111-1307, USA.
  27
  28 ;;; Code:
  29
  30 ;;;###autoload
  31 (defun isearch-toggle-specified-input-method ()
  32   "Select an input method and turn it on in interactive search."
  33   (interactive)
  34   (let ((overriding-terminal-local-map nil))
  35     (toggle-input-method t))
  36   (setq isearch-input-method-function input-method-function
  37         isearch-input-method-local-p t)
  38   (setq input-method-function nil)
  39   (isearch-update))
  40
  41 ;;;###autoload
  42 (defun isearch-toggle-input-method ()
  43   "Toggle input method in interactive search."
  44   (interactive)
  45   (let ((overriding-terminal-local-map nil))
  46     (toggle-input-method))
  47   (setq isearch-input-method-function input-method-function
  48         isearch-input-method-local-p t)
  49   (setq input-method-function nil)
  50   (isearch-update))
  51
  52 (defvar isearch-minibuffer-local-map
  53   (let ((map (make-keymap)))
  54     (define-key map [t] 'isearch-minibuffer-non-self-insert)
  55     (let ((i ?\ ))
  56       (while (< i 256)
  57         (define-key map (vector i) 'isearch-minibuffer-self-insert)
  58         (setq i (1+ i))))
  59     (let ((l (generic-character-list))
  60           (table (nth 1 map)))
  61       (while l
  62         (set-char-table-default table (car l) 'isearch-minibuffer-self-insert)
  63         (setq l (cdr l))))
  64     (define-key map "\C-m" 'exit-minibuffer)
  65     (define-key map [return] 'exit-minibuffer)
  66     (define-key map "\C-g" 'exit-minibuffer)
  67     map)
  68   "Keymap of minibuffer to input multibyte characters while isearching.")
  69
  70 (defun isearch-minibuffer-non-self-insert ()
  71   (interactive)
  72   (setq unread-command-events (cons last-command-event unread-command-events))
  73   (exit-minibuffer))
  74
  75 (defun isearch-minibuffer-self-insert ()
  76   (interactive)
  77   (let ((events (cons last-command-event unread-post-input-method-events)))
  78     (catch 'isearch-tag
  79       (while events
  80         (let* ((event (car events))
  81                (cmd (key-binding (vector event))))
  82           (cond ((or (eq cmd 'isearch-printing-char)
  83                      (eq cmd 'isearch-minibuffer-self-insert))
  84                  (insert event)
  85                  (setq events (cdr events)))
  86                 ((eq cmd 'exit-minibuffer)
  87                  (setq events (cdr events))
  88                  (throw 'isearch-tag nil))
  89                 (t
  90                  (throw 'isearch-tag nil))))))
  91     (setq unread-post-input-method-events events)
  92     (exit-minibuffer)))
  93
  94 ;;;###autoload
  95 (defun isearch-process-search-multibyte-characters (last-char)
  96   (if (eq this-command 'isearch-printing-char)
  97       (let ((overriding-terminal-local-map nil)
  98             ;; Let input method work rather tersely.
  99             (input-method-verbose-flag nil)
 100             (minibuffer-local-map isearch-minibuffer-local-map)
 101             str)
 102         (setq unread-command-events
 103               (cons last-char unread-command-events))
 104         (setq str (read-multilingual-string
 105                    (concat (isearch-message-prefix) isearch-message)
 106                    nil
 107                    current-input-method))
 108         (if (and str (> (length str) 0))
 109             (let ((unread-command-events nil))
 110               (isearch-process-search-string str str))
 111           (isearch-update)))
 112     (isearch-process-search-char last-char)))
 113
 114 ;;; isearch-x.el ends here