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/**
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"
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