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1 | ;;; isearch-x.el --- extended isearch handling commands |
2 | ||
4ed46869 | 3 | ;; Copyright (C) 1995 Electrotechnical Laboratory, JAPAN. |
fa526c4a | 4 | ;; Licensed to the Free Software Foundation. |
4ed46869 KH |
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 | |
369314dc KH |
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. | |
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27 | |
28 | ;;; Code: | |
29 | ||
30 | ;;;###autoload | |
31 | (defun isearch-toggle-specified-input-method () | |
e81ed9ed | 32 | "Select an input method and turn it on in interactive search." |
4ed46869 | 33 | (interactive) |
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34 | (let ((overriding-terminal-local-map nil)) |
35 | (toggle-input-method t)) | |
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36 | (setq isearch-input-method-function input-method-function |
37 | isearch-input-method-local-p t) | |
38 | (setq input-method-function nil) | |
000028d7 | 39 | (isearch-update)) |
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40 | |
41 | ;;;###autoload | |
42 | (defun isearch-toggle-input-method () | |
43 | "Toggle input method in interactive search." | |
44 | (interactive) | |
000028d7 KH |
45 | (let ((overriding-terminal-local-map nil)) |
46 | (toggle-input-method)) | |
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47 | (setq isearch-input-method-function input-method-function |
48 | isearch-input-method-local-p t) | |
49 | (setq input-method-function nil) | |
4ed46869 KH |
50 | (isearch-update)) |
51 | ||
a2abd6b4 | 52 | (defvar isearch-minibuffer-local-map |
a50192e7 KH |
53 | (let ((map (copy-keymap minibuffer-local-map))) |
54 | (define-key map [with-keyboard-coding] 'isearch-with-keyboard-coding) | |
55 | (define-key map [with-input-method] 'isearch-with-input-method) | |
a2abd6b4 | 56 | map) |
a50192e7 | 57 | "Keymap to use in minibuffer for multibyte character inputting in isearch.") |
a2abd6b4 | 58 | |
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59 | |
60 | ;; These two variables are used to refer to the values of | |
61 | ;; `current-input-method' and `input-method-function' of the original | |
62 | ;; buffer in the function isearch-with-input-method which runs in a | |
63 | ;; minibuffer. | |
64 | ||
65 | (defvar isearch-minibuffer-input-method nil) | |
66 | (defvar isearch-minibuffer-input-method-function nil) | |
67 | ||
68 | ;; Exit from recursive edit safely. Set in `after-change-functions' | |
69 | ;; by isearch-with-keyboard-coding. | |
70 | (defun isearch-exit-recursive-edit () | |
a2abd6b4 | 71 | (interactive) |
a50192e7 KH |
72 | (throw 'exit nil)) |
73 | ||
74 | ;; Simulate character decoding by the keyboard coding system in the | |
75 | ;; current buffer (minibuffer). As soon as a character is inserted, | |
76 | ;; it exits from minibuffer. | |
77 | ||
78 | (defun isearch-with-keyboard-coding () | |
79 | (interactive) | |
80 | (let ((after-change-functions '(isearch-exit-recursive-edit))) | |
81 | (recursive-edit)) | |
a2abd6b4 KH |
82 | (exit-minibuffer)) |
83 | ||
a50192e7 KH |
84 | ;; Simulate the work of the current input method in the current buffer |
85 | ;; (minibuffer). | |
86 | ||
87 | (defun isearch-with-input-method () | |
a2abd6b4 | 88 | (interactive) |
a50192e7 KH |
89 | (let* ((current-input-method isearch-minibuffer-input-method) |
90 | (events (funcall isearch-minibuffer-input-method-function nil))) | |
91 | ;; EVENTS is a list of events the input method has generated. It | |
92 | ;; contains a character event and/or the special event | |
93 | ;; `compose-last-chars'. We extract only character events and | |
94 | ;; insert the corresponding characters. | |
95 | (while events | |
96 | (if (integerp (car events)) (insert (car events))) | |
97 | (setq events (cdr events))) | |
bbb398a1 | 98 | (exit-minibuffer))) |
a2abd6b4 | 99 | |
000028d7 | 100 | ;;;###autoload |
4ed46869 | 101 | (defun isearch-process-search-multibyte-characters (last-char) |
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102 | (if (eq this-command 'isearch-printing-char) |
103 | (let ((overriding-terminal-local-map nil) | |
a50192e7 | 104 | (prompt (concat (isearch-message-prefix) isearch-message)) |
07474fef KH |
105 | (minibuffer-local-map isearch-minibuffer-local-map) |
106 | str) | |
a50192e7 KH |
107 | (if isearch-input-method-function |
108 | (let (;; Let input method work rather tersely. | |
109 | (input-method-verbose-flag nil) | |
110 | (isearch-minibuffer-input-method current-input-method) | |
111 | (isearch-minibuffer-input-method-function | |
112 | isearch-input-method-function)) | |
113 | (setq unread-command-events | |
114 | (cons 'with-input-method | |
115 | (cons last-char unread-command-events)) | |
116 | str (read-string prompt)) | |
117 | (if (not str) | |
118 | ;; All inputs were deleted while the input method | |
119 | ;; was working. | |
120 | (setq str "") | |
121 | (if (and (= (length str) 1) | |
122 | (= (aref str 0) last-char)) | |
123 | ;; The input method couldn't handle LAST-CHAR. | |
124 | (setq str nil))))) | |
125 | ||
126 | (if (and (not str) (keyboard-coding-system)) | |
127 | (setq unread-command-events | |
128 | (cons 'with-keyboard-coding | |
129 | (cons last-char unread-command-events)) | |
130 | str (read-string prompt))) | |
131 | ||
07474fef | 132 | (if (and str (> (length str) 0)) |
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133 | (let ((unread-command-events nil)) |
134 | (isearch-process-search-string str str)) | |
135 | (isearch-update))) | |
07474fef | 136 | (isearch-process-search-char last-char))) |
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137 | |
138 | ;;; isearch-x.el ends here |