1 ;;; egg.el --- EGG Input Method Architecture
3 ;; Copyright (C) 1999-2015 Free Software Foundation, Inc
4 ;; 2014, 2015 Mitsutoshi NAKANO <bkbin005@rinku.zaq.ne.jp>
5 ;; 2015 Hiroki Sato <hrs@allbsd.org>
7 ;; Author: NIIBE Yutaka <gniibe@chroot.org>
8 ;; KATAYAMA Yoshio <kate@pfu.co.jp>
10 ;; Keywords: mule, multilingual, input method
12 ;; This file is part of EGG.
14 ;; EGG is free software; you can redistribute it and/or modify
15 ;; it under the terms of the GNU General Public License as published by
16 ;; the Free Software Foundation; either version 2, or (at your option)
19 ;; EGG is distributed in the hope that it will be useful,
20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ;; GNU General Public License for more details.
24 ;; You should have received a copy of the GNU General Public License
25 ;; along with GNU Emacs; see the file COPYING. If not, write to the
26 ;; Free Software Foundation, Inc.,
27 ;; 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
33 (defconst egg-version "5.0.7.1"
34 "Version number for this version of Tamago.")
36 (defconst egg-tsunagi-version egg-version
37 "Version number for this version of Tamago-tsunagi.")
44 (autoload 'egg-simple-input-method "egg-sim"
45 "simple input method for Tamago-tsunagi." t)
50 (defcustom egg-mode-preference t
51 "*Make Egg as modefull input method, if non-NIL."
52 :group 'egg :type 'boolean)
54 (defvar egg-default-language)
56 (defvar egg-last-method-name nil)
57 (make-variable-buffer-local 'egg-last-method-name)
58 (put 'egg-last-method-name 'permanent-local t)
60 (defvar egg-mode-map-alist nil)
61 (defvar egg-sub-mode-map-alist nil)
63 (defmacro define-egg-mode-map (mode &rest initializer)
64 (let ((map (intern (concat "egg-" (symbol-name mode) "-map")))
65 (var (intern (concat "egg-" (symbol-name mode) "-mode")))
66 (comment (concat (symbol-name mode) " keymap for EGG mode.")))
68 (defvar ,map (let ((map (make-sparse-keymap)))
74 (make-variable-buffer-local ',var)
75 (put ',var 'permanent-local t)
76 (or (assq ',var egg-mode-map-alist)
77 (setq egg-mode-map-alist (append egg-mode-map-alist
78 '((,var . ,map))))))))
80 (define-egg-mode-map modefull
81 (define-key map "\C-^" 'egg-simple-input-method)
84 (define-key map (vector i) 'egg-self-insert-char)
87 (define-egg-mode-map modeless
88 (define-key map " " 'mlh-space-bar-backward-henkan)
89 (define-key map "\C-^" 'egg-simple-input-method))
91 (defvar egg-enter/leave-fence-hook nil)
93 (defun egg-enter/leave-fence (&optional old new)
94 (run-hooks 'egg-enter/leave-fence-hook))
96 (defvar egg-activated nil)
97 (make-variable-buffer-local 'egg-activated)
98 (put 'egg-activated 'permanent-local t)
100 (defun egg-activate-keymap ()
101 (when (and egg-activated
102 (null (eq (car egg-sub-mode-map-alist)
103 (car minor-mode-overriding-map-alist))))
104 (let ((alist (append egg-sub-mode-map-alist egg-mode-map-alist))
105 (overriding (copy-sequence minor-mode-overriding-map-alist)))
107 (setq overriding (delq (assq (caar alist) overriding) overriding)
109 (setq minor-mode-overriding-map-alist (append egg-sub-mode-map-alist
111 egg-mode-map-alist)))))
113 (add-hook 'egg-enter/leave-fence-hook 'egg-activate-keymap t)
115 (defun egg-modify-fence (&rest arg)
116 (add-hook 'post-command-hook 'egg-post-command-func))
118 (defun egg-post-command-func ()
119 (run-hooks 'egg-enter/leave-fence-hook)
120 (remove-hook 'post-command-hook 'egg-post-command-func))
122 (defvar egg-change-major-mode-buffer nil)
124 (defun egg-activate-keymap-after-command ()
125 (while egg-change-major-mode-buffer
126 (let ((buf (car egg-change-major-mode-buffer)))
127 (if (buffer-live-p buf)
128 (with-current-buffer buf
129 (egg-activate-keymap)))
130 (setq egg-change-major-mode-buffer (cdr egg-change-major-mode-buffer))))
131 (remove-hook 'post-command-hook 'egg-activate-keymap-after-command))
133 (defun egg-change-major-mode-func ()
134 (setq egg-change-major-mode-buffer (cons (current-buffer)
135 egg-change-major-mode-buffer))
136 (add-hook 'post-command-hook 'egg-activate-keymap-after-command))
138 (add-hook 'change-major-mode-hook 'egg-change-major-mode-func)
141 (defun egg-mode (&rest arg)
143 \\[describe-bindings]
151 (egg-exit-conversion))
152 (setq describe-current-input-method-function nil
153 egg-modefull-mode nil
154 egg-modeless-mode nil)
155 (remove-hook 'input-method-activate-hook 'its-set-mode-line-title t)
156 (force-mode-line-update))
158 (if (null (string= (car arg) egg-last-method-name))
160 (funcall (nth 1 arg))
161 (setq egg-default-language its-current-language)))
162 (egg-set-conversion-backend (nthcdr 2 arg))
163 (egg-set-conversion-backend
164 (list (assq its-current-language (nthcdr 2 arg))) t)
165 (setq egg-last-method-name (car arg)
167 (egg-activate-keymap)
168 (if egg-mode-preference
170 (setq egg-modefull-mode t)
171 (its-define-select-keys egg-modefull-map))
172 (setq egg-modeless-mode t))
173 (set (if (fboundp 'deactivate-current-input-method-function)
174 'deactivate-current-input-method-function
175 'inactivate-current-input-method-function)
177 (setq describe-current-input-method-function 'egg-help)
178 (if (fboundp 'make-local-hook)
179 (eval '(make-local-hook 'input-method-activate-hook)))
180 (add-hook 'input-method-activate-hook 'its-set-mode-line-title nil t)
181 (if (eq (selected-window) (minibuffer-window))
182 (add-hook 'minibuffer-exit-hook 'egg-exit-from-minibuffer))
183 (run-hooks 'egg-mode-hook)))
185 (defun egg-exit-from-minibuffer ()
186 (if (fboundp 'deactivate-input-method)
187 (deactivate-input-method)
188 (inactivate-input-method))
189 (if (<= (minibuffer-depth) 1)
190 (remove-hook 'minibuffer-exit-hook 'egg-exit-from-minibuffer)))
192 (defvar egg-context nil)
194 (defun egg-self-insert-char ()
196 (its-start (if (boundp 'last-command-event)
199 (and (eq last-command 'egg-use-context)
202 (defun egg-remove-all-text-properties (from to &optional object)
206 (setq prop (text-properties-at p object))
208 (unless (eq (car prop) 'composition)
209 (setq props (plist-put props (car prop) nil)))
210 (setq prop (cddr prop)))
211 (setq p (next-property-change p object to)))
212 (remove-text-properties from to props object)))
214 (defun egg-setup-invisibility-spec ()
215 (if (listp buffer-invisibility-spec)
216 (unless (condition-case nil (memq 'egg buffer-invisibility-spec) (error))
217 (setq buffer-invisibility-spec (cons 'egg buffer-invisibility-spec)))
218 (unless (eq buffer-invisibility-spec t)
219 (setq buffer-invisibility-spec (list 'egg buffer-invisibility-spec)))))
221 (defvar egg-mark-list nil)
222 (defvar egg-suppress-marking nil)
224 (defun egg-set-face (beg eng face &optional object)
225 (let ((hook (get-text-property beg 'modification-hooks object)))
226 (put face 'face face)
227 (add-text-properties beg eng
230 'modification-hooks (cons 'egg-mark-modification
234 (defun egg-mark-modification (beg end)
235 (if (and (null egg-suppress-marking)
236 (or (get-text-property beg 'egg-face)
237 (setq beg (next-single-property-change beg 'egg-face)))
238 (or (get-text-property (1- end) 'egg-face)
239 (setq end (previous-single-property-change end 'egg-face)))
241 (let ((list egg-mark-list)
244 (add-hook 'post-command-hook 'egg-redraw-face t)
245 (setq list egg-mark-list)
246 (while (and list (< found 2))
247 (setq pair (car list)
251 b (marker-position mb)
252 e (marker-position me))
254 ;; no overwrapping -- SKIP
255 ((or (null (eq (marker-buffer mb) (current-buffer)))
256 (or (> beg e) (< end b))))
257 ;; completely included
258 ((and (>= beg b) (<= end e))
260 ;; partially overwrapping
264 (setq egg-mark-list (delete pair egg-mark-list)
270 (setq b (make-marker)
272 egg-mark-list (cons (cons b e) egg-mark-list))
274 (set-marker e end))))))
276 (defun egg-redraw-face ()
277 (let ((inhibit-read-only t)
278 (inhibit-point-motion-hooks t)
279 (egg-suppress-marking t)
281 (org-buffer (current-buffer))
284 (setq egg-mark-list nil)
285 (remove-hook 'post-command-hook 'egg-redraw-face)
287 (setq mb (car (car list))
290 (when (marker-buffer mb)
291 (set-buffer (marker-buffer mb))
292 (let ((before-change-functions nil) (after-change-functions nil))
296 (setq b (max mb (point-min))
297 e (min me (point-max)))
301 (if (null (get-text-property b 'egg-face))
302 (setq b (next-single-property-change b 'egg-face nil e)))
303 (setq p (next-single-property-change b 'egg-face nil e))
306 (remove-text-properties 0 (- p b) '(face))
308 (set-buffer org-buffer)
309 (goto-char org-point)))
311 (defvar egg-messages nil)
312 (defvar egg-message-language-alist nil)
314 (defun egg-get-message (message)
315 (let ((lang (or (cdr (assq egg-default-language egg-message-language-alist))
316 egg-default-language)))
317 (or (nth 1 (assq message (cdr (assq lang egg-messages))))
318 (nth 1 (assq message (cdr (assq nil egg-messages))))
319 (error "EGG internal error: no such message: %s (%s)"
320 message egg-default-language))))
322 (defun egg-add-message (list)
326 (or (setq msg-l (assq (car l) egg-messages))
327 (setq egg-messages (cons (list (car l)) egg-messages)
328 msg-l (car egg-messages)))
331 (setcdr msg-l (cons msg (delq (assq (car msg) msg-l) (cdr msg-l)))))
333 (setq list (cdr list)))))
335 (defun egg-set-message-language-alist (alist)
338 (setq egg-message-language-alist
339 (delq (assq (caar a) egg-message-language-alist)
340 egg-message-language-alist))
342 (setq egg-message-language-alist
343 (append alist egg-message-language-alist))))
345 (put 'egg-error 'error-conditions '(error egg-error))
346 (put 'egg-error 'error-message "EGG error")
348 (defun egg-error (message &rest args)
349 (if (symbolp message)
350 (setq message (egg-get-message message)))
351 (signal 'egg-error (list (apply 'format message args))))
354 ;;; auto fill controll
357 (defun egg-do-auto-fill ()
358 (if (and auto-fill-function (> (current-column) fill-column))
359 (let ((ocolumn (current-column)))
360 (funcall auto-fill-function)
361 (while (and (< fill-column (current-column))
362 (< (current-column) ocolumn))
363 (setq ocolumn (current-column))
364 (funcall auto-fill-function)))))
366 (eval-when (eval load)
373 (add-hook 'kill-emacs-hook 'egg-kill-emacs-function)
374 (defun egg-kill-emacs-function ()
375 (egg-finalize-backend))