Mercurial > hg > xemacs-beta
diff lisp/language/arabic-util.el @ 165:5a88923fcbfe r20-3b9
Import from CVS: tag r20-3b9
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 09:44:42 +0200 |
| parents | |
| children | 85ec50267440 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lisp/language/arabic-util.el Mon Aug 13 09:44:42 2007 +0200 @@ -0,0 +1,675 @@ +;;; arabic-util.el --- minor mode for editing Arabic. + +;; Copyright (C) 1994 Free Software Foundation, Inc. + +;; Keywords: multilingual, Arabic + +;; This file is part of XEmacs. + +;; XEmacs 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 2, or (at your option) +;; any later version. + +;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, +;; Boston, MA 02111-1307, USA. + +;;; Commentary: + +;; Synched up with: Mule 2.3. + +;;; Code: + +;;; 94.6.13 created for Mule Ver.1.1 by Takahashi N. <ntakahas@etl.go.jp> + +(require 'visual-mode) + +(defvar arabic-mode-indicator " [2](3=a:GJ[0](B" + "String displayed in mode-line. +\" Arabic\" for Arabic keyboard input, \" [2](3=a:GJ[0](B\".") + +(make-variable-buffer-local 'arabic-mode-indicator) + +;;;###autoload +(defvar arabic-mode nil + "Non-nil if in arabic-mode.") + +(make-variable-buffer-local 'arabic-mode) + +(if (not (assq 'arabic-mode minor-mode-alist)) + (setq minor-mode-alist + (cons '(arabic-mode arabic-mode-indicator) minor-mode-alist))) + +(define-key global-map [(meta \\)] 'arabic-mode) + +(defvar arabic-input-arabic-char t + "Non-nil if key input is Arabic. Nil if key input is ASCII.") + +(make-variable-buffer-local 'arabic-input-arabic-char) + +(defvar arabic-input-keymap 'arabic-keymap-0 + "Specify which input table is used for Arabic input. Should be on of: +arabic-keymap-0 (default), +arabic-keymap-1 (Farsi standard), or +arabic-keymap-2 (Microsoft Arabic).") + +(defvar arabic-translate-table + (cond + ((eq arabic-input-keymap 'arabic-keymap-0) + [?[2](3![0](B ?[2](3"[0](B ?[2](3-[0](B nil nil nil nil ?' ?[2](3#[0](B ?[2](3$[0](B nil nil ?[2](3%[0](B nil ?[2](3&[0](B ?[2](49[0](B + ?(2![0](B ?(2"[0](B ?(2#[0](B ?(2$[0](B ?(2%[0](B ?(2&[0](B ?(2'[0](B ?(2([0](B ?(2)[0](B ?(2*[0](B ?[2](3'[0](B ?[2](3([0](B ?[2](3*[0](B nil ?[2](3+[0](B ?[2](3)[0](B + nil ?[2](4][0](B nil ?[2](4g[0](B ?[2](4A[0](B nil nil ?[2](4O[0](B ?[2](4-[0](B nil nil ?[2](41[0](B nil nil nil nil + nil nil nil ?[2](4=[0](B ?[2](4E[0](B nil nil nil ?[2](3h[0](B nil ?[2](4I[0](B nil nil nil nil nil + ?[2](4M[0](B ?[2](38[0](B ?[2](4#[0](B ?[2](4'[0](B ?[2](3B[0](B nil ?[2](4Q[0](B ?[2](4k[0](B ?[2](3Z[0](B nil ?[2](4)[0](B ?[2](4U[0](B ?[2](4Y[0](B ?[2](3T[0](B ?[2](4[[0](B ?[2](3<[0](B + ?[2](4e[0](B ?[2](4S[0](B ?[2](3F[0](B ?[2](45[0](B ?[2](4%[0](B nil nil ?[2](3^[0](B ?[2](3D[0](B ?[2](4_[0](B ?[2](3H[0](B nil ?| nil nil]) + ((eq arabic-input-keymap 'arabic-keymap-1) + [?[2](3![0](B ?[2](3"[0](B nil nil nil nil nil nil ?[2](3#[0](B ?[2](3$[0](B nil nil ?[2](3%[0](B nil ?[2](3&[0](B nil + ?(2![0](B ?(2"[0](B ?(2#[0](B ?(2$[0](B ?(2%[0](B ?(2&[0](B ?(2'[0](B ?(2([0](B ?(2)[0](B ?(2*[0](B ?[2](3'[0](B ?[2](4U[0](B ?[2](3*[0](B nil ?[2](3+[0](B ?[2](3)[0](B + nil nil ?[2](3h[0](B nil nil nil ?[2](4e[0](B ?[2](3.[0](B nil nil nil nil nil nil nil nil + nil nil nil nil nil nil ?[2](30[0](B nil nil nil nil ?[2](4)[0](B nil ?[2](4g[0](B nil nil + nli ?[2](49[0](B ?[2](3H[0](B ?[2](3D[0](B ?[2](4_[0](B ?[2](4S[0](B ?[2](4#[0](B ?[2](38[0](B ?[2](4%[0](B nil ?[2](4Y[0](B ?[2](4[[0](B ?[2](3T[0](B ?[2](3^[0](B ?[2](3F[0](B ?[2](41[0](B + ?[2](4-[0](B ?[2](4A[0](B ?[2](4Q[0](B ?[2](45[0](B ?[2](4O[0](B ?[2](3Z[0](B ?[2](3B[0](B ?[2](4=[0](B ?[2](4E[0](B ?[2](4M[0](B ?[2](4I[0](B nil nli nil nil ]) + (t + [?[2](3![0](B ?[2](3"[0](B ?\" ?# ?$ ?% ?& ?' ?[2](3#[0](B ?[2](3$[0](B ?* ?+ ?[2](3^[0](B ?- ?[2](3H[0](B ?[2](4I[0](B + ?(2![0](B ?(2"[0](B ?(2#[0](B ?(2$[0](B ?(2%[0](B ?(2&[0](B ?(2'[0](B ?(2([0](B ?(2)[0](B ?(2*[0](B ?[2](3'[0](B ?[2](4U[0](B ?, ?= ?. ?[2](3)[0](B + ?@ nil ?[2](3b[0](B ?{ ?[ nil ?] ?[2](3c[0](B ?[2](30[0](B nil nil ?[2](3%[0](B ?/ ?` ?[2](3.[0](B nil + ?[2](3([0](B nil nil nil ?[2](3d[0](B ?' ?} nil nil ?[2](34[0](B ?~ ?[2](4)[0](B ?\\ ?[2](3B[0](B ?^ ?_ + ?[2](3D[0](B ?[2](49[0](B ?[2](3e[0](B ?[2](32[0](B ?[2](4_[0](B ?[2](4'[0](B ?[2](4#[0](B ?[2](4Y[0](B ?[2](38[0](B ?[2](3Z[0](B ?[2](4%[0](B ?[2](4[[0](B ?[2](3T[0](B ?[2](3<[0](B ?[2](4][0](B ?[2](41[0](B + ?[2](4-[0](B ?[2](4A[0](B ?[2](4S[0](B ?[2](45[0](B ?[2](4Q[0](B ?[2](4M[0](B ?[2](3F[0](B ?[2](4=[0](B ?[2](3-[0](B ?[2](4O[0](B ?[2](4)) + +(defvar arabic-mode-map + (let ((map (make-keymap))) + (substitute-key-definition 'self-insert-command + 'arabic-self-insert-command + map global-map) + + (define-key map [(control c) (control c)] 'arabic-mode) + (define-key map [(control d)] 'arabic-delete-char) + (define-key map [(control k)] 'arabic-kill-line) + (define-key map [(control m)] 'arabic-newline) + (define-key map [(control o)] 'arabic-open-line) + (define-key map [(control w)] 'arabic-kill-region) + (define-key map [(control y)] 'arabic-yank) + (define-key map [delete] 'arabic-backward-delete-char) + (define-key map [(meta d)] 'arabic-delete-word) + (define-key map [(meta y)] 'arabic-yank-pop) + (define-key map [(meta z)] 'arabic-help) + (define-key map [(meta \\)] 'arabic-toggle-input-char) + (define-key map [(meta delete)] 'arabic-backward-kill-word) + + (define-key map [(control n)] 'visual-next-line) + (define-key map [(control p)] 'visual-previous-line) + (define-key map [(meta <)] 'visual-beginning-of-buffer) + (define-key map [(meta >)] 'visual-end-of-buffer) + (define-key map [up] 'visual-previous-line) + (define-key map [down] 'visual-next-line) + (define-key map [home] 'visual-beginning-of-buffer) + (define-key map [end] 'visual-end-of-buffer) + (define-key map [left] 'visual-move-to-left-char) + (define-key map [right] 'visual-move-to-right-char) + (define-key map [(meta left)] 'visual-move-to-left-word) + (define-key map [(meta right)] 'visual-move-to-right-word) + + (if visual-use-lr-commands + (progn + (define-key map [(control a)] 'visual-left-end-of-line) + (define-key map [(control b)] 'visual-move-to-left-char) + (define-key map [(control e)] 'visual-right-end-of-line) + (define-key map [(control f)] 'visual-move-to-right-char) + (define-key map [(meta b)] 'visual-move-to-left-word) + (define-key map [(meta f)] 'visual-move-to-right-word)) + (define-key map [(control a)] 'visual-beginning-of-line) + (define-key map [(control b)] 'visual-backward-char) + (define-key map [(control e)] 'visual-end-of-line) + (define-key map [(control f)] 'visual-forward-char) + (define-key map [(meta b)] 'visual-backward-word) + (define-key map [(meta f)] 'visual-forward-word)) + + (cond + ((eq arabic-input-keymap 'arabic-keymap-0) + (define-key map [?~] 'arabic-insert-madda) + (define-key map [?'] 'arabic-insert-hamza) + (define-key map [?a] 'arabic-insert-alif) + (define-key map [?_] 'arabic-make-connection) + (define-key map [?|] 'arabic-cut-connection)) + ((eq arabic-input-keymap 'arabic-keymap-1) + (define-key map [?~] 'arabic-insert-madda) + (define-key map [?'] 'arabic-insert-hamza) + (define-key map [?a] 'arabic-insert-alif) + (define-key map [?_] 'arabic-make-connection) + (define-key map [?|] 'arabic-cut-connection) + (define-key map [(alt \;)] 'arabic-insert-gaaf) + (define-key map [(alt v)] 'arabic-insert-isolated-hamza)) + (t + (define-key map [(alt z)] 'arabic-insert-madda) + (define-key map [(alt x)] 'arabic-insert-hamza) + (define-key map [(alt h)] 'arabic-insert-alif) + (define-key map [(alt _)] 'arabic-make-connection) + (define-key map [(alt |)] 'arabic-cut-connection))) + + map) + "minor-mode-keymap for arabic-mode.") + + (if (not (assq 'arabic-mode minor-mode-map-alist)) + (setq minor-mode-map-alist + (cons (cons 'arabic-mode arabic-mode-map) minor-mode-map-alist))) + + (defvar arabic-help-string + (cond + ((eq arabic-input-keymap 'arabic-keymap-0) + "\ + Keymap in Arabic-mode + + +----------------------------------------------------------------+ + |! [2](3"[0](B |@ |# |$ |% |^ |& |* |( [2](3#[0](B |) [2](3$[0](B |_ |+ |~ | + |1 (2"[0](B |2 (2#[0](B |3 (2$[0](B |4 (2%[0](B |5 (2&[0](B |6 (2'[0](B |7 (2([0](B |8 (2)[0](B |9 (2*[0](B |0 (2![0](B |- |= |` [2](4M[0](B| + +----------------------------------------------------------------+ + |Q |W |E |R |T [2](4E[0](B|Y |U |I |O |P | + |q [2](4S[0](B|w [2](3^[0](B |e |r [2](3F[0](B |t [2](4%[0](B|y [2](4_[0](B|u |i |o [2](3<[0](B |p [2](4e[0](B| + +--------------------------------------------------------+ + |A [2](4][0](B|S [2](4=[0](B|D [2](4A[0](B|F |G [2](4O[0](B|H [2](4-[0](B|J |K [2](41[0](B|L |: [2](3'[0](B |\" [2](3-[0](B | + |a [2](38[0](B |s [2](45[0](B|d [2](3B[0](B |f [2](4Q[0](B|g [2](4k[0](B|h [2](3Z[0](B |j [2](4)[0](B|k [2](4U[0](B|l [2](4Y[0](B|; [2](3([0](B |' | + +------------------------------------------------------+ + |Z [2](4I[0](B|X [2](3h[0](B |C [2](4g[0](B|V |B |N |M |< [2](3*[0](B |> [2](3+[0](B |? [2](3)[0](B | + |z [2](3H[0](B |x [2](3D[0](B |c [2](4'[0](B|v |b [2](4#[0](B|n [2](4[[0](B|m [2](3T[0](B |, [2](3%[0](B |. [2](3&[0](B |/ [2](49[0](B| + +-------------------------------------------------+") + + ((eq arabic-input-keymap 'arabic-keymap-1) + "\ + Keymap in Arabic-mode +--------------+ + | ALT SHIFT| + +-------------------------------------------------+ |ASCII ARABIC| +| [2](3"[0](B | | | | | | | | [2](3#[0](B | [2](3$[0](B | +--------------+ +|1 (2"[0](B |2 (2#[0](B |3 (2$[0](B |4 (2%[0](B |5 (2&[0](B |6 (2'[0](B |7 (2([0](B |8 (2)[0](B |9 (2*[0](B |0 (2[0](B|] [2](4g[0](B| + +-----------------------------------------------------------+ + | | | | [2](4e[0](B| [2](3.[0](B | | | | |[2](4k[0](B [2](3'[0](B| + |a [2](49[0](B|s [2](45[0](B|d [2](4_[0](B|f [2](4#[0](B|g [2](38[0](B |h [2](4%[0](B|j [2](4Y[0](B|k [2](4[[0](B|l [2](3T[0](B |; [2](4U[0](B| + +---------------------------------------------------+ + | | | |[2](3-[0](B [2](30[0](B | [2](3h[0](B | | | [2](3*[0](B | [2](3+[0](B | [2](3)[0](B | + |z [2](4I[0](B|x [2](4E[0](B|c [2](3D[0](B |v [2](3B[0](B |b [2](3H[0](B |n [2](3F[0](B |m [2](3^[0](B |, [2](3%[0](B |. [2](3&[0](B |/ | + +-------------------------------------------------+") + + (t + "\ + +-----------------+ + |S-ASCII S-Arabic| + | ASCII Arabic | +----+ + +-----------------+ || || + |\\ \\| ++-----------------------------------------------------------+ +|! [2](3"[0](B|@ @|# #|$ $|% %|^ ^|& &|* *|( [2](3#[0](B|) [2](3$[0](B|_ _|+ +| +|1 (2"[0](B|2 (2#[0](B|3 (2$[0](B|4 (2%[0](B|5 (2&[0](B|6 (2'[0](B|7 (2([0](B|8 (2)[0](B|9 (2*[0](B|0 (2[0](B|] [2](3B[0](B| + +-------------------------------------------------------------+ + |A |S |D [|F ]|G [2](3c[0](B|H [2](30[0](B|J |K [2](3%[0](B|L /|: [2](3'[0](B|\" \" |~[2](3,[0](B | + | [2](49[0](B| [2](45[0](B| [2](4_[0](B| [2](4#[0](B| [2](4Y[0](B| [2](38[0](B| [2](4%[0](B| [2](4[[0](B| [2](3T[0](B|\; [2](4U[0](B|' [2](4E[0](B|` [2](3D[0](B| + +-----------------------------------------------------------+ + |Z ~|X |C {|V }|B [2](3b[0](B|N [2](3.[0](B|M `|< ,|> [2](3&[0](B|? [2](3)[0](B| + | [2](4![0](B| [2](3-[0](B| [2](32[0](B| [2](3F[0](B| [2](3e[0](B| [2](4][0](B| [2](3<[0](B|, [2](3^[0](B|. [2](3H[0](B|/ [2](4I[0](B| + +-------------------------------------------------+")) + + "Document shown by arabic-help (M-z).") + +;;;###autoload +(defun arabic-mode (&optional arg) + "Toggle arabic-mode. With ARG, turn arabic-mode on iff ARG is positive." + (interactive "P") + (if (null arg) + (if arabic-mode (exit-arabic-mode) (enter-arabic-mode)) + (if (> (prefix-numeric-value arg) 0) + (enter-arabic-mode) + (exit-arabic-mode)))) + +(defun enter-arabic-mode nil + "Enter arabic-mode." + (interactive) + (if (not arabic-mode) + (progn + (setq arabic-mode t + arabic-input-arabic-char t + arabic-mode-indicator " [2](3=a:GJ[0](B") + (redraw-modeline t) + (message "M-z to display arabic keymap.") + (run-hooks 'arabic-mode-hooks)))) + +(defun exit-arabic-mode nil + "Exit arabic-mode." + (interactive) + (if arabic-mode + (progn + (setq arabic-mode nil) + (redraw-modeline t)))) + +(defconst *arabic-adding-connection-to-right* + '((?[2](3.[0](B . ?[2](3/[0](B ) (?[2](3/[0](B . ?[2](3/[0](B ) + (?[2](30[0](B . ?[2](31[0](B ) (?[2](31[0](B . ?[2](31[0](B ) + (?[2](32[0](B . ?[2](33[0](B ) (?[2](33[0](B . ?[2](33[0](B ) + (?[2](34[0](B . ?[2](35[0](B ) (?[2](35[0](B . ?[2](35[0](B ) + 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?[2](3T[0](B ) (?[2](3V[0](B . ?[2](3U[0](B ) + (?[2](4\[0](B . ?[2](4[[0](B) (?[2](3Y[0](B . ?[2](3X[0](B ) + (?[2](3][0](B . ?[2](3Z[0](B ) (?[2](3\[0](B . ?[2](3[[0](B ) + (?[2](3_[0](B . ?[2](3^[0](B ) + (?[2](4^[0](B . ?[2](4][0](B) + (?[2](4`[0](B . ?[2](4_[0](B) (?[2](3a[0](B . ?[2](3`[0](B ) + (?[2](4a[0](B . ?[2](3b[0](B ) + (?[2](4b[0](B . ?[2](3c[0](B ) + (?[2](4c[0](B . ?[2](3d[0](B ) + (?[2](4d[0](B . ?[2](3e[0](B ) + (?[2](4f[0](B . ?[2](4e[0](B) (?[2](3g[0](B . ?[2](3f[0](B ) + (?[2](4j[0](B . ?[2](4g[0](B) (?[2](4i[0](B . ?[2](4h[0](B) + (?[2](3i[0](B . ?[2](3h[0](B) + (?[2](4n[0](B . ?[2](4k[0](B) (?[2](4m[0](B . ?[2](4l[0](B))) + +(defconst *arabic-removing-connection-from-left* + '((?[2](36[0](B . ?[2](4 (?[2](37[0](B . ?[2](4"[0](B) + (?[2](3:[0](B . ?[2](4#[0](B) (?[2](3;[0](B . ?[2](4$[0](B) + (?[2](3>[0](B . ?[2](4%[0](B) (?[2](3?[0](B . ?[2](4&[0](B) + (?[2](3@[0](B . ?[2](4'[0](B) (?[2](3A[0](B . ?[2](4([0](B) + (?[2](4*[0](B . ?[2](4)[0](B) (?[2](4+[0](B . ?[2](4,[0](B) + (?[2](4.[0](B . ?[2](4-[0](B) (?[2](4/[0](B . ?[2](40[0](B) + (?[2](42[0](B . ?[2](41[0](B) (?[2](43[0](B . ?[2](44[0](B) + (?[2](46[0](B . ?[2](45[0](B) (?[2](47[0](B . ?[2](48[0](B) + (?[2](4:[0](B . ?[2](49[0](B) (?[2](4;[0](B . ?[2](4<[0](B) + (?[2](4>[0](B . ?[2](4=[0](B) (?[2](4?[0](B . ?[2](4@[0](B) + (?[2](4D[0](B . ?[2](4A[0](B) (?[2](4C[0](B . ?[2](4A[0](B) + (?[2](4F[0](B . ?[2](4E[0](B) (?[2](4G[0](B . ?[2](4H[0](B) + (?[2](4J[0](B . ?[2](4I[0](B) (?[2](4K[0](B . ?[2](4L[0](B) + (?[2](3J[0](B . ?[2](4M[0](B) (?[2](3K[0](B . ?[2](4N[0](B) + (?[2](3L[0](B . ?[2](4O[0](B) (?[2](3M[0](B . ?[2](4P[0](B) + (?[2](3N[0](B . ?[2](4Q[0](B) (?[2](3O[0](B . ?[2](4R[0](B) + (?[2](3P[0](B . ?[2](4S[0](B) (?[2](3Q[0](B . ?[2](4T[0](B) + (?[2](4V[0](B . ?[2](4U[0](B) (?[2](4W[0](B . ?[2](4X[0](B) + (?[2](3R[0](B . ?[2](4Y[0](B) (?[2](3S[0](B . ?[2](4Z[0](B) + (?[2](3U[0](B . ?[2](3T[0](B ) (?[2](3V[0](B . ?[2](3W[0](B ) + (?[2](3X[0](B . ?[2](4[[0](B) (?[2](3Y[0](B . ?[2](4\[0](B) + (?[2](3[[0](B . ?[2](3Z[0](B ) (?[2](3\[0](B . ?[2](3][0](B ) + (?[2](3`[0](B . ?[2](4_[0](B) (?[2](3a[0](B . ?[2](4`[0](B) + (?[2](4h[0](B . ?[2](4g[0](B) (?[2](4i[0](B . ?[2](4j[0](B) + (?[2](4l[0](B . ?[2](4k[0](B) (?[2](4m[0](B . ?[2](4n[0](B))) + +(defun arabic-make-connection nil + "If possible, tie the two characters around the cursor." + (interactive) + (let ((lch (assoc (visual-char-left) *arabic-adding-connection-to-right*)) + (rch (assoc (visual-char-right) *arabic-adding-connection-to-left*))) + (if (not (and lch rch)) + (arabic-cut-connection) + (visual-replace-left-1-char (cdr lch)) + (visual-replace-right-1-char (cdr rch))))) + +(defun arabic-cut-connection nil + "Remove the connection between the two characters around the cursor, if any." + (interactive) + (let + ((lch (assoc (visual-char-left) *arabic-removing-connection-from-right*)) + (rch (assoc (visual-char-right) *arabic-removing-connection-from-left*))) + (if lch + (visual-replace-left-1-char (cdr lch))) + (if rch + (visual-replace-right-1-char (cdr rch))))) + +(defun arabic-insert-char (ch arg) + "Insert ARG (2nd arg; > 0) number of CHs (1st arg; character) around +visual point. +If CH is l2r, inserted on the left. Otherwise, on the right." + (while (> arg 0) + (arabic-insert-1-char ch) + (setq arg (1- arg)))) + +(defun arabic-insert-1-char (ch) + "Insert CH (1st arg; character) around visual point. +If CH is l2r, inserted on the left. Otherwise, on the right." + (if (= (visual-char-direction ch) 0) + ; if visual-char-direction = 0, always disjoint. + (progn + (arabic-cut-connection) + (visual-insert-left-1-char ch)) + (visual-insert-left-1-char ch) + (arabic-make-connection) + (visual-move-to-left-1-char) + (arabic-make-connection))) + +(defun arabic-self-insert-command (arg) + "Self-insert-command for arabic-mode." + (interactive "*p") + (let ((ch last-command-char)) + (if arabic-input-arabic-char + (setq ch (aref arabic-translate-table (- ch 32)))) + (if (null ch) + (beep) + (while (> arg 0) + (arabic-keyboard-insert-1-char ch) + (setq arg (1- arg)))))) + +(defun arabic-keyboard-insert-1-char (ch) + "Insert CH (1st arg; Arabic character) at visual cursor position. +if last-command is arabic-cut-connection, CH will not connected to the +right adjacent character (but connected to the left, if possible)." + (let ((rch (visual-char-right))) + (cond + ((= (visual-char-direction ch) 0) + (arabic-cut-connection) + (visual-insert-left-1-char ch)) + ((eq last-command 'arabic-cut-connection) + (visual-insert-right-1-char ch) + (arabic-make-connection)) + (t + (arabic-insert-1-char ch))))) + +(defun arabic-insert-gaaf (arg) + "Insert gaaf as if it were typed from keyboard." + (interactive "*p") + (while (> arg 0) + (arabic-keyboard-insert-1-char ?[2](4k[0](B) + (setq arg (1- arg)))) + +(defun arabic-insert-isolated-hamza (arg) + "Insert an isolated hamza as if it were typed from keyboard." + (interactive "*p") + (while (> arg 0) + (arabic-keyboard-insert-1-char ?[2](3-[0](B) + (setq arg (1- arg)))) + +(defun arabic-insert-madda nil + "Put madda on the previous alif." + (interactive) + (let ((rch (visual-char-right))) + (cond + ((eq rch ?[2](38[0](B ) (visual-replace-right-1-char ?[2](3.[0](B )) + ((eq rch ?[2](39[0](B ) (visual-replace-right-1-char ?[2](3/[0](B )) + ((eq rch ?[2](3e[0](B ) (visual-replace-right-1-char ?[2](3b[0](B )) + ((eq rch ?[2](4d[0](B) (visual-replace-right-1-char ?[2](4a[0](B)) + (t (beep))))) + +(defun arabic-insert-alif (arg) + "Insert ARG number of alif's. +If the previous character is a laam, replace it with an alif+laam ligature." + (interactive "*p") + (let (rch) + (while (> arg 0) + (setq rch (visual-char-right)) + (cond + ((eq last-command 'arabic-cut-connection) + (visual-insert-right-1-char ?[2](38[0](B)) + ((or (eq rch ?[2](4Y[0](B) (eq rch ?[2](3R[0](B )) + (visual-replace-right-1-char ?[2](3e[0](B )) + ((or (eq rch ?[2](3S[0](B ) (eq rch ?[2](4Z[0](B)) + (visual-replace-right-1-char ?[2](4d[0](B)) + (t + (visual-insert-left-1-char ?[2](38[0](B ) + (arabic-make-connection) + (visual-move-to-left-1-char))) + (setq arg (1- arg))) + (arabic-cut-connection))) + +(defun arabic-insert-hamza (arg) + "Insert ARG number of hamza's. +Put it on/under previous characters, if possible." + (interactive "*p") + (let (rch) + (while (> arg 0) + (setq rch (visual-char-right)) + (cond + ((eq last-command 'arabic-cut-connection) + (visual-insert-right-1-char ?[2](3-[0](B)) + ((eq rch ?[2](38[0](B ) (visual-replace-right-1-char ?[2](30[0](B )) + ((eq rch ?[2](39[0](B ) (visual-replace-right-1-char ?[2](31[0](B )) + ((eq rch ?[2](30[0](B ) (visual-replace-right-1-char ?[2](34[0](B )) + ((eq rch ?[2](31[0](B ) (visual-replace-right-1-char ?[2](35[0](B )) + ((eq rch ?[2](3^[0](B ) (visual-replace-right-1-char ?[2](32[0](B )) + ((eq rch ?[2](3_[0](B ) (visual-replace-right-1-char ?[2](33[0](B )) + ((eq rch ?[2](4_[0](B) (visual-replace-right-1-char ?[2](4) + ((eq rch ?[2](3`[0](B ) (visual-replace-right-1-char ?[2](36[0](B )) + ((eq rch ?[2](3a[0](B ) (visual-replace-right-1-char ?[2](37[0](B )) + ((eq rch ?[2](4`[0](B) (visual-replace-right-1-char ?[2](4"[0](B)) + ((eq rch ?[2](4][0](B) (visual-replace-right-1-char ?[2](4) + ((eq rch ?[2](4^[0](B) (visual-replace-right-1-char ?[2](4"[0](B)) + ((eq rch ?[2](3e[0](B ) (visual-replace-right-1-char ?[2](3c[0](B )) + ((eq rch ?[2](4d[0](B) (visual-replace-right-1-char ?[2](4b[0](B)) + ((eq rch ?[2](3c[0](B ) (visual-replace-right-1-char ?[2](3d[0](B )) + ((eq rch ?[2](4b[0](B) (visual-replace-right-1-char ?[2](4c[0](B)) + (t (arabic-cut-connection) + (visual-insert-right-1-char ?[2](3-[0](B))) + (setq arg (1- arg))))) + +(defun arabic-toggle-input-char nil + "Toggle Arabic key input and ASCII key input." + (interactive) + (if arabic-input-arabic-char + (setq arabic-input-arabic-char nil + arabic-mode-indicator " Arabic") + (setq arabic-input-arabic-char t + arabic-mode-indicator " [2](3=a:GJ[0](B")) + (redraw-modeline t)) + +(defun arabic-newline (arg) + "Newline for arabic-mode." + (interactive "*p") + (arabic-insert-char ?\n arg)) + +(defun arabic-open-line (arg) + "Openline for arabic-mode." + (interactive "*p") + (arabic-insert-char ?\n arg) + (visual-backward-char arg)) + +(defun arabic-delete-char (arg) + "Delete ARG (1st arg; integer) chars visually after visual point. +After that, Arabic ligature is performed." + (interactive "*p") + (visual-delete-char arg) + (arabic-make-connection)) + +(defun arabic-backward-delete-char (arg) + "Delete ARG (1st arg; integer) chars visually before visual point. +After that, Arabic ligature is performed." + (interactive "*p") + (visual-backward-delete-char arg) + (arabic-make-connection)) + +(defun arabic-kill-region (beg end) + "Kill-region command for arabic-mode." + (interactive "r") + (if (or (and buffer-read-only (not inhibit-read-only)) + (text-property-not-all beg end 'read-only nil)) + (visual-kill-region beg end) + (visual-kill-region beg end) + (arabic-make-connection))) + +(defun arabic-kill-word (arg) + "Kill-word command for arabic-mode." + (interactive "*p") + (visual-kill-word arg) + (arabic-make-connection)) + +(defun arabic-backward-kill-word (arg) + "Backword-ill-word command for arabic-mode." + (interactive "*p") + (visual-backward-kill-word arg) + (arabic-make-connection)) + +(defun arabic-kill-line (&optional arg) + "Kill-line command for arabic-mode." + (interactive "*P") + (visual-kill-line arg) + (arabic-make-connection)) + +(defun arabic-yank (&optional arg) + "yank command for arabic-mode." + (interactive "*P") + (visual-yank arg) + (let ((p1 (point)) (p2 (mark t))) + (arabic-make-connection) + (goto-char p2) + (arabic-make-connection) + (goto-char p1) + (set-marker (mark-marker) p2 (current-buffer)) + nil)) + +(defun arabic-yank-pop (arg) + "yank-pop command for arabic-mode." + (interactive "*p") + (visual-yank-pop arg) + (let ((p1 (point)) (p2 (mark t))) + (arabic-make-connection) + (goto-char p2) + (arabic-make-connection) + (goto-char p1) + (set-marker (mark-marker) p2 (current-buffer)) + nil)) + +(defun arabic-help nil + "Display keymap in Arabic-mode." + (interactive) + (let ((arabic-help-buffer (get-buffer-create "*Help*"))) + (set-buffer arabic-help-buffer) + (erase-buffer) + (insert arabic-help-string) + (goto-char (point-min)) + (display-buffer (current-buffer)))) + + +;; arabic LR commands + +(defun arabic-delete-left-char (arg) + "Kill N (1st arg; integer) characters on the left of visual point." + (interactive "*p") + (if display-direction + (arabic-delete-char arg) + (arabic-backward-delete-char arg))) + +(defun arabic-delete-right-char (arg) + "Kill N (1st arg; integer) characters on the right of visual point." + (interactive "*p") + (if display-direction + (arabic-backward-delete-char arg) + (arabic-delete-char arg))) + +(defun arabic-kill-left-word (arg) + "Kill N (1st arg; integer) words on the left of visual point." + (interactive "*p") + (if display-direction + (arabic-kill-word arg) + (arabic-backward-kill-word arg))) + +(defun arabic-kill-right-word (arg) + "Kill N (1st arg; integer) words on the right of visual point." + (interactive "*p") + (if display-direction + (arabic-backward-kill-word arg) + (arabic-kill-word arg))) + +;;; +(provide 'arabic) +;;; arabic-util.el ends here