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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
/****************************************************************************
**
** Implementation of QMultiInputContext class
**
** Copyright (C) 2004 immodule for Qt Project. All rights reserved.
**
** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own
** licence. You may use this file under your Qt license. Following
** description is copied from their original file headers. Contact
** immodule-qt@freedesktop.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/
#ifndef QT_NO_IM
#include "qmultiinputcontext.h"
#include <qinputcontextfactory.h>
#include <qstringlist.h>
#include <qaction.h>
#include <qsettings.h>
#include <qmenu.h>
#include <stdlib.h>
QT_BEGIN_NAMESPACE
QMultiInputContext::QMultiInputContext()
: QInputContext(), current(-1)
{
keys = QInputContextFactory::keys();
for (int i = keys.size()-1; i >= 0; --i)
if (keys.at(i).contains(QLatin1String("imsw")))
keys.removeAt(i);
QString def = QLatin1String(getenv("QT4_IM_MODULE"));
if (def.isEmpty())
def = QLatin1String(getenv("QT_IM_MODULE"));
if (def.isEmpty()) {
QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
settings.beginGroup(QLatin1String("Qt"));
def = settings.value(QLatin1String("DefaultInputMethod"), QLatin1String("xim")).toString();
}
current = keys.indexOf(def);
if (current < 0)
current = 0;
menu = new QMenu(tr("Select IM"));
separator = new QAction(this);
separator->setSeparator(true);
QActionGroup *group = new QActionGroup(this);
for (int i = 0; i < keys.size(); ++i) {
slaves.append(0);
const QString key = keys.at(i);
QAction *a = menu->addAction(QInputContextFactory::displayName(key));
a->setData(key);
a->setCheckable(true);
group->addAction(a);
if (i == current) {
slaves.replace(current, QInputContextFactory::create(key, this));
a->setChecked(true);
}
}
connect(group, SIGNAL(triggered(QAction*)), this, SLOT(changeSlave(QAction*)));
}
QMultiInputContext::~QMultiInputContext()
{
delete menu;
}
QString QMultiInputContext::identifierName()
{
return (slave()) ? slave()->identifierName() : QLatin1String("");
}
QString QMultiInputContext::language()
{
return (slave()) ? slave()->language() : QLatin1String("");
}
#if defined(Q_WS_X11)
bool QMultiInputContext::x11FilterEvent(QWidget *keywidget, XEvent *event)
{
return (slave()) ? slave()->x11FilterEvent(keywidget, event) : false;
}
#endif // Q_WS_X11
bool QMultiInputContext::filterEvent(const QEvent *event)
{
return (slave()) ? slave()->filterEvent(event) : false;
}
void QMultiInputContext::reset()
{
if (slave())
slave()->reset();
}
void QMultiInputContext::update()
{
if (slave())
slave()->update();
}
void QMultiInputContext::mouseHandler(int x, QMouseEvent *event)
{
if (slave())
slave()->mouseHandler(x, event);
}
QFont QMultiInputContext::font() const
{
return (slave()) ? slave()->font() : QInputContext::font();
}
void QMultiInputContext::setFocusWidget(QWidget *w)
{
QInputContext::setFocusWidget(w);
if (slave())
slave()->setFocusWidget(w);
}
QWidget *QMultiInputContext::focusWidget() const
{
return QInputContext::focusWidget();
}
void QMultiInputContext::widgetDestroyed(QWidget *w)
{
if (slave())
slave()->widgetDestroyed(w);
}
bool QMultiInputContext::isComposing() const
{
return (slave()) ? slave()->isComposing() : false;
}
QList<QAction *> QMultiInputContext::actions()
{
QList<QAction *> a = slave()->actions();
a.append(separator);
a.append(menu->menuAction());
return a;
}
void QMultiInputContext::changeSlave(QAction *a)
{
for (int i = 0; i < slaves.size(); ++i) {
if (keys.at(i) == a->data().toString()) {
if (slaves.at(i) == 0)
slaves.replace(i, QInputContextFactory::create(keys.at(i), this));
QInputContext *qic = slaves.at(current);
QWidget *oldWidget = qic->focusWidget();
qic->reset();
qic->setFocusWidget(0);
current = i;
qic = slaves.at(current);
qic->setFocusWidget(oldWidget);
return;
}
}
}
QT_END_NAMESPACE
#endif // QT_NO_IM
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