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skk-viper.el
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skk-viper.el
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;;; skk-viper.el --- SKK related code for Viper -*- coding: iso-2022-jp -*-
;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
;; Masahiko Sato <[email protected]>
;; Murata Shuuichirou <[email protected]>
;; Author: Masahiko Sato <[email protected]>,
;; Murata Shuuichirou <[email protected]>
;; Maintainer: SKK Development Team
;; URL: https://github.com/skk-dev/ddskk
;; Keywords: japanese, mule, input method
;; This file is part of Daredevil SKK.
;; This program 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 3 of
;; the License, or (at your option) any later version.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'skk)
(eval-when-compile
(if (boundp 'viper-mode)
(when (eq viper-mode 'ask)
(setq viper-mode nil))
(defvar viper-mode nil)))
(require 'viper)
(eval-when-compile
(defvar viper-insert-state-cursor-color))
;;; macros and inline functions.
(defmacro skk-viper-advice-select (viper vip arg body)
`(if skk-viper-use-vip-prefix
(defadvice ,vip ,arg ,@body)
(defadvice ,viper ,arg ,@body)))
(setq skk-kana-cleanup-command-list
(cons
(if skk-viper-use-vip-prefix
'vip-delete-backward-char
'viper-del-backward-char-in-insert)
skk-kana-cleanup-command-list))
(setq skk-use-viper t)
(save-match-data
(unless (string-match (sentence-end) "$B!#!)!*!%(B")
(setq sentence-end (concat "[$B!#!)!*!%(B]\\|" sentence-end))))
;;; cursor color support.
;; what should we do if older Viper that doesn't have
;; `viper-insert-state-cursor-color'?
(when (boundp 'viper-insert-state-cursor-color)
(defadvice skk-cursor-current-color (around skk-viper-cursor-ad activate)
"vi-state $B0J30$G3n$D(B SKK $B%b!<%I$N$H$-$N$_(B SKK $BM3Mh$N%+!<%=%k?'$rJV$9!#(B"
(cond
((not skk-use-color-cursor)
ad-do-it)
((or (and (boundp 'viper-current-state)
(eq viper-current-state 'vi-state))
(and (boundp 'vip-current-mode)
(eq vip-current-mode 'vi-mode)))
(setq ad-return-value skk-cursor-default-color))
((not skk-mode)
(setq viper-insert-state-cursor-color
skk-viper-saved-cursor-color)
(setq ad-return-value
(cond
((eq viper-current-state 'insert-state)
viper-insert-state-cursor-color)
((eq viper-current-state 'replace-state)
viper-replace-overlay-cursor-color)
((eq viper-current-state 'emacs-state)
viper-emacs-state-cursor-color))))
(t
ad-do-it
(setq viper-insert-state-cursor-color ad-return-value))))
(let ((funcs
;; cover to VIP/Viper functions.
(if skk-viper-use-vip-prefix
'(vip-Append
vip-Insert
vip-insert
vip-escape-to-emacs
vip-open-line)
'(viper-change-state-to-insert
viper-change-state-to-replace
viper-change-state-to-vi
viper-change-state-to-emacs
viper-insert-state-post-command-sentinel))))
(dolist (func funcs)
(eval
`(defadvice ,(intern (symbol-name func))
(after skk-viper-cursor-ad activate)
"Set cursor color which represents skk mode."
(when skk-use-color-cursor
(skk-cursor-set))))))
(let ((funcs '(skk-abbrev-mode
skk-jisx0208-latin-mode
skk-latin-mode
skk-toggle-characters)))
(dolist (func funcs)
(eval
`(defadvice ,(intern (symbol-name func))
(after skk-viper-cursor-ad activate)
"\
`viper-insert-state-cursor-color' $B$r(B SKK $B$NF~NO%b!<%I$N%+!<%=%k?'$H9g$o$;$k!#(B"
(when skk-use-color-cursor
(setq viper-insert-state-cursor-color
(skk-cursor-current-color)))))))
(defadvice skk-mode (after skk-viper-cursor-ad activate)
"Set cursor color which represents skk mode."
(when skk-use-color-cursor
(skk-cursor-set)))
(defadvice skk-kakutei (after skk-viper-cursor-ad activate)
(setq viper-insert-state-cursor-color skk-cursor-hiragana-color)))
(when (boundp 'viper-insert-state-cursor-color)
(skk-defadvice read-from-minibuffer (before skk-viper-ad activate)
"`minibuffer-setup-hook' $B$K(B `update-buffer-local-frame-params' $B$r%U%C%/$9$k!#(B
`viper-read-string-with-history' $B$O(B `minibuffer-setup-hook' $B$r4X?t%m!<%+%k(B
$B$K$7$F$7$^$&$N$G!"M=$a(B `minibuffer-setup-hook' $B$K$+$1$F$*$$$?%U%C%/$,L58z(B
$B$H$J$k!#(B"
(when skk-use-color-cursor
;; non-command subr.
(add-hook 'minibuffer-setup-hook 'ccc-update-buffer-local-frame-params
'append))))
;;; advices.
;; vip-4 $B$NF1<o$N4X?tL>$O(B vip-read-string-with-history$B!)(B
(defadvice viper-read-string-with-history (after skk-viper-ad activate)
"$B<!2s%_%K%P%C%U%!$KF~$C$?$H$-$K(B SKK $B%b!<%I$K$J$i$J$$$h$&$K$9$k!#(B"
(skk-remove-skk-pre-command)
(skk-remove-minibuffer-setup-hook 'skk-j-mode-on
'skk-setup-minibuffer
'skk-add-skk-pre-command))
(skk-viper-advice-select
viper-forward-word-kernel vip-forward-word
(around skk-ad activate)
("SKK $B%b!<%I$,%*%s$G!"%]%$%s%H$ND>8e$NJ8;z$,(B JISX0208/JISX0213 $B$@$C$?$i(B\
`forward-word' $B$9$k!#(B"
(if (and skk-mode
(or (skk-jisx0208-p (following-char))
(skk-jisx0213-p (following-char))))
(forward-word (ad-get-arg 0))
ad-do-it)))
(skk-viper-advice-select
viper-backward-word-kernel vip-backward-word
(around skk-ad activate)
("SKK $B%b!<%I$,%*%s$G!"%]%$%s%H$ND>A0$NJ8;z$,(B JISX0208/JISX0213 $B$@$C$?$i(B\
`backward-word' $B$9$k!#(B"
(if (and skk-mode (or (skk-jisx0208-p (preceding-char))
(skk-jisx0213-p (preceding-char))))
(backward-word (ad-get-arg 0))
ad-do-it)))
;; please sync with `skk-delete-backward-char'
(skk-viper-advice-select
viper-del-backward-char-in-insert vip-delete-backward-char
(around skk-ad activate)
("$B"'%b!<%I$G(B `skk-delete-implies-kakutei' $B$J$iD>A0$NJ8;z$r>C$7$F3NDj$9$k!#(B
$B"'%b!<%I$G(B `skk-delete-implies-kakutei' $B$,(B nil $B$@$C$?$iA08uJd$rI=<($9$k!#(B
$B"&%b!<%I$G(B`$B"&(B'$B$h$j$bA0$N%]%$%s%H$G<B9T$9$k$H3NDj$9$k!#(B
$B3NDjF~NO%b!<%I$G!"$+$J%W%l%U%#%C%/%9$NF~NOCf$J$i$P!"$+$J%W%l%U%#%C%/%9$r>C$9!#(B"
(skk-with-point-move
(let ((count (or (prefix-numeric-value (ad-get-arg 0)) 1)))
(cond
((eq skk-henkan-mode 'active)
(if (and (not skk-delete-implies-kakutei)
(= (+ skk-henkan-end-point (length skk-henkan-okurigana))
(point)))
(skk-previous-candidate)
;; overwrite-mode $B$G!"%]%$%s%H$,A43QJ8;z$K0O$^$l$F$$$k$H(B
;; $B$-$K(B delete-backward-char $B$r;H$&$H!"A43QJ8;z$O>C$9$,H>(B
;; $B3QJ8;zJ,$7$+(B backward $BJ}8~$K%]%$%s%H$,La$i$J$$(B (Emacs
;; 19.31 $B$K$F3NG'(B)$B!#JQ49Cf$N8uJd$KBP$7$F$O(B
;; delete-backward-char $B$GI,$:A43QJ8;z(B 1 $BJ8;zJ,(B backward
;; $BJ}8~$KLa$C$?J}$,NI$$!#(B
(if overwrite-mode
(progn
(backward-char count)
(delete-char count))
ad-do-it)
;; XXX assume skk-prefix has no multibyte chars.
(if (> (length skk-prefix) count)
(setq skk-prefix (substring skk-prefix
0 (- (length skk-prefix) count)))
(setq skk-prefix ""))
(when (>= skk-henkan-end-point (point))
(if (eq skk-delete-implies-kakutei 'dont-update)
(let ((skk-update-jisyo-function #'ignore))
(skk-kakutei))
(skk-kakutei)))))
((and skk-henkan-mode
(>= skk-henkan-start-point (point))
(not (skk-get-prefix skk-current-rule-tree)))
(setq skk-henkan-count 0)
(skk-kakutei))
;; $BF~NOCf$N8+=P$78l$KBP$7$F$O(B delete-backward-char $B$G(B
;; $BI,$:A43QJ8;z(B 1$BJ8;zJ,(B backward $BJ}8~$KLa$C$?J}$,NI$$!#(B
((and skk-henkan-mode
overwrite-mode)
(backward-char count)
(delete-char count))
(t
(skk-delete-okuri-mark)
(if (skk-get-prefix skk-current-rule-tree)
(skk-erase-prefix 'clean)
(skk-set-marker skk-kana-start-point nil)
ad-do-it)))))))
(skk-viper-advice-select
viper-intercept-ESC-key vip-escape-to-emacs
(before skk-add activate)
("$B"&%b!<%I!""'%b!<%I$@$C$?$i3NDj$9$k!#(B"
(when (and skk-mode
skk-henkan-mode)
(skk-kakutei))))
(skk-viper-advice-select
viper-intercept-ESC-key vip-escape-to-emacs
(after skk-kana-cleanup-ad activate)
("vi-state $B0\9T$N:]$K3NDjF~NO%b!<%I$GF~NO$5$l$?%m!<%^;z%W%l%U%#%C%/%9$r>C$9!#(B"
(skk-kana-cleanup t)))
(skk-viper-advice-select
viper-join-lines vip-join-lines
(after skk-ad activate)
("$B%9%Z!<%9$NN>B&$NJ8;z%;%C%H$,(B JISX0208/JISX0213 $B$@$C$?$i%9%Z!<%9$r<h$j=|$/!#(B"
(save-match-data
(let ((char-after (char-after (progn
(skip-chars-forward " ")
(point))))
(char-before (char-before (progn
(skip-chars-backward " ")
(point)))))
(when (and (or (skk-jisx0208-p char-after)
(skk-jisx0213-p char-after))
(or (skk-jisx0208-p char-before)
(skk-jisx0213-p char-before)))
(while (looking-at " ")
(delete-char 1)))))))
;;; functions.
;;;###autoload
(defun skk-viper-normalize-map ()
(let ((other-buffer (local-variable-if-set-p 'minor-mode-map-alist)))
;; for current buffer and buffers to be created in the future.
;; substantially the same job as viper-harness-minor-mode does.
(funcall skk-viper-normalize-map-function)
(setq-default minor-mode-map-alist minor-mode-map-alist)
(when other-buffer
;; for buffers which are already created and have
;; the minor-mode-map-alist localized by Viper.
(skk-loop-for-buffers (buffer-list)
(unless (assq 'skk-j-mode minor-mode-map-alist)
(skk-update-minor-mode-map-alist 'skk-latin-mode skk-latin-mode-map)
(skk-update-minor-mode-map-alist 'skk-abbrev-mode skk-abbrev-mode-map)
(skk-update-minor-mode-map-alist 'skk-j-mode skk-j-mode-map)
(skk-update-minor-mode-map-alist 'skk-jisx0208-mode skk-jisx0208-latin-mode-map))
(funcall skk-viper-normalize-map-function)))))
(eval-after-load "viper-cmd"
'(defun viper-toggle-case (arg)
"Toggle character case.
Convert hirakana to katakana and vice versa."
(interactive "P")
(let ((val (viper-p-val arg)) (c))
(viper-set-destructive-command
(list 'viper-toggle-case val nil nil nil nil))
(while (> val 0)
(setq c (following-char))
(delete-char 1 nil)
(cond ((skk-ascii-char-p c)
(if (eq c (upcase c))
(insert-char (downcase c) 1)
(insert-char (upcase c) 1)))
((and (<= ?$B$!(B c) (>= ?$B$s(B c))
(insert (skk-hiragana-to-katakana (char-to-string c))))
((and (<= ?$B%!(B c) (>= ?$B%s(B c))
(insert (skk-katakana-to-hiragana (char-to-string c))))
(t
(insert-char c 1)))
(when (eolp)
(backward-char 1))
(setq val (1- val))))))
(defun skk-viper-init-function ()
(when (and (boundp 'viper-insert-state-cursor-color)
(featurep 'skk-cursor))
(setq viper-insert-state-cursor-color (skk-cursor-current-color)))
;; viper-toggle-key-action $B$HO"F0$5$;$k!)(B
(skk-viper-normalize-map)
(remove-hook 'skk-mode-hook 'skk-viper-init-function))
(add-hook 'skk-mode-hook 'skk-viper-init-function)
(provide 'skk-viper)
;; Local Variables:
;; indent-tabs-mode: nil
;; End:
;;; skk-viper.el ends here