Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 274 insertions, 0 deletions

diff --git a/kiten/kromajiedit.cpp b/kiten/kromajiedit.cpp
new file mode 100644
index 00000000..758a1267
--- /dev/null
+++ b/kiten/kromajiedit.cpp
@@ -0,0 +1,274 @@
+/**
+ This file is part of Kiten, a KDE Japanese Reference Tool...
+ Copyright (C) 2001  Jason Katz-Brown <jason@katzbrown.com>
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
+ USA
+**/
+
+#include <kdebug.h>
+#include <kstandarddirs.h>
+#include <kmessagebox.h>
+#include <klocale.h>
+#include <qfile.h>
+#include <qpopupmenu.h>
+#include <qtextcodec.h>
+
+#include "kromajiedit.h"
+
+KRomajiEdit::KRomajiEdit(QWidget *parent, const char *name)
+	: KLineEdit(parent, name)
+{
+	kana = "unset";
+
+	KStandardDirs *dirs = KGlobal::dirs();
+	QString romkana = dirs->findResource("data", "kiten/romkana.cnv");
+	if (romkana.isNull())
+	{
+		KMessageBox::error(0, i18n("Romaji information file not installed, so Romaji conversion cannot be used."));
+		return;
+	}
+
+	QFile f(romkana);
+	
+	if (!f.open(IO_ReadOnly))
+	{
+		KMessageBox::error(0, i18n("Romaji information could not be loaded, so Romaji conversion cannot be used."));
+	}
+
+	QTextStream t(&f);
+	t.setCodec(QTextCodec::codecForName("eucJP"));
+	while (!t.eof())
+	{
+		QString s = t.readLine();
+
+		QChar first = s.at(0);
+		if (first == '#') // comment!
+		{
+			// nothing
+		}
+		else if (first == '$') // header
+		{
+			if (kana == "unset")
+				kana = "hiragana";
+			else
+				kana = "katakana";
+		}
+		else // body
+		{
+			QStringList things(QStringList::split(QChar(' '), s));
+			QString thekana(things.first());
+			QString romaji(*things.at(1));
+
+			if (kana == "hiragana")
+				hiragana[romaji] = thekana;
+			else if (kana == "katakana")
+				katakana[romaji] = thekana;
+		}
+	}
+	f.close();
+
+	kana = "english";
+}
+
+KRomajiEdit::~KRomajiEdit()
+{
+}
+
+void KRomajiEdit::setKana(int _kana)
+{
+	switch (_kana)
+	{
+		case 0:
+		kana = "english";
+		break;
+		case 1:
+		kana = "hiragana";
+		break;
+		//case 2:
+		//kana = "katakana";
+		//break;
+	}
+}
+
+// TODO allow editing not only at end
+void KRomajiEdit::keyPressEvent(QKeyEvent *e)
+{
+	bool shift = e->state() & ShiftButton;
+	QString ji = e->text();
+
+	if (shift && e->key() == Key_Space) // switch hiragana/english
+	{
+		if (kana == "hiragana")
+			kana = "english";
+		else if (kana == "english")
+			kana = "hiragana";
+
+		return;
+	}
+
+	if (kana == "english" || ji.isEmpty())
+	{
+		KLineEdit::keyPressEvent(e);
+		return;
+	}
+
+	if (shift) // shift for katakana
+	{
+		if (kana == "hiragana")
+			kana = "katakana";
+	}
+
+	//kdDebug() << "--------------------\n";
+
+	QString curEng;
+	QString curKana;
+	QString _text = text();
+
+	int i;
+	unsigned int len = _text.length();
+	//kdDebug() << "length = " << len << endl;
+	for (i = len - 1; i >= 0; i--)
+	{
+		QChar at = _text.at(i);
+
+		//kdDebug() << "at = " << QString(at) << endl;
+
+		if (at.row() == 0 && at != '.')
+		{
+			//kdDebug() << "prepending " << QString(at) << endl;
+			curEng.prepend(at);
+		}
+		else
+			break;
+	}
+	i++;
+
+	//kdDebug() << "i is " << i << ", length is " << len << endl;
+	curKana = _text.left(i);
+
+	ji.prepend(curEng);
+	ji = ji.lower();
+	//kdDebug() << "ji = " << ji << endl;
+
+	QString replace;
+
+	//kdDebug () << "kana is " << kana << endl;
+	if (kana == "hiragana")
+		replace = hiragana[ji];
+	else if (kana == "katakana")
+		replace = katakana[ji];
+
+	//kdDebug() << "replace = " << replace << endl;
+
+	if (!!replace) // if (replace has something in it)
+	{
+		//kdDebug() << "replace isn't empty\n";
+
+		setText(curKana + replace);
+
+		if (kana == "katakana")
+			kana = "hiragana";
+		return;
+	}
+	else
+	{
+		//kdDebug() << "replace is empty\n";
+		QString farRight(ji.right(ji.length() - 1));
+		//kdDebug() << "ji = " << ji << endl;
+		//kdDebug() << "farRight = " << farRight << endl;
+
+		// test if we need small tsu
+		if (ji.at(0) == farRight.at(0)) // if two letters are same, and we can add a twoletter length kana
+		{
+			if (kana == "hiragana")
+				setText(curKana + hiragana[ji.at(0) == 'n'? "n'" : "t-"] + farRight.at(0));
+			else
+				setText(curKana + katakana[ji.at(0) == 'n'? "n'" : "t-"] + farRight.at(0));
+
+			if (kana == "katakana")
+				kana = "hiragana";
+			return;
+		}
+
+		// test for hanging n
+		QString newkana;
+		if (kana == "hiragana")
+		{
+			newkana = hiragana[farRight];
+			//kdDebug() << "newkana = " << newkana << endl;
+			if (ji.at(0) == 'n' && !!newkana)
+			{
+				//kdDebug() << "doing the n thing\n";
+				
+				setText(curKana + hiragana["n'"] + newkana);
+
+				if (kana == "katakana")
+					kana = "hiragana";
+				return;
+			}
+		}
+		else
+		{
+			newkana = katakana[farRight];
+			if (ji.at(0) == 'n' && !!newkana)
+			{
+				//kdDebug() << "doing the n thing - katakana\n";
+				
+				setText(curKana + katakana["n'"] + newkana);
+
+				if (kana == "katakana")
+					kana = "hiragana";
+				return;
+			}
+		}
+	}
+
+	if ( e->key() == Key_Return || e->key() == Key_Enter ) // take care of pending n
+	{
+		if (kana == "hiragana")
+		{
+			if (_text[len-1] == 'n')
+				setText(curKana + hiragana["n'"]);
+		}
+		else
+		{
+			if (_text[len-1] == 'N')
+				setText(curKana + katakana["n'"]);
+		}
+	}
+
+	KLineEdit::keyPressEvent(e); // don't think we'll get here :)
+}
+
+QPopupMenu *KRomajiEdit::createPopupMenu()
+{
+    QPopupMenu *popup = KLineEdit::createPopupMenu();
+    popup->insertSeparator();
+    popup->insertItem(i18n("English"), 0);
+    popup->insertItem(i18n("Kana"), 1);
+
+    if (kana == "english")
+		popup->setItemChecked(0, true);
+    else if (kana == "hiragana")
+		popup->setItemChecked(1, true);
+
+    connect(popup, SIGNAL(activated(int)), SLOT(setKana(int)));
+
+    emit aboutToShowContextMenu(popup);
+    return popup;
+}
+
+#include "kromajiedit.moc"