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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qapplication.h"
#include <private/qobject_p.h>
#include "qkeymapper_p.h"
#include <qwidget.h>
QT_BEGIN_NAMESPACE
/*!
\class QKeyMapper
\since 4.2
\internal
\sa QObject
*/
/*!
Constructs a new key mapper.
*/
QKeyMapper::QKeyMapper()
: QObject(*new QKeyMapperPrivate, 0)
{
}
/*!
Destroys the key mapper.
*/
QKeyMapper::~QKeyMapper()
{
}
QList<int> QKeyMapper::possibleKeys(QKeyEvent *e)
{
QList<int> result;
if (!e->nativeScanCode()) {
if (e->key() && (e->key() != Qt::Key_unknown))
result << int(e->key() + e->modifiers());
else if (!e->text().isEmpty())
result << int(e->text().at(0).unicode() + e->modifiers());
return result;
}
return instance()->d_func()->possibleKeys(e);
}
extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp
void QKeyMapper::changeKeyboard()
{
instance()->d_func()->clearMappings();
// inform all toplevel widgets of the change
QEvent e(QEvent::KeyboardLayoutChange);
QWidgetList list = QApplication::topLevelWidgets();
for (int i = 0; i < list.size(); ++i) {
QWidget *w = list.at(i);
qt_sendSpontaneousEvent(w, &e);
}
}
Q_GLOBAL_STATIC(QKeyMapper, keymapper)
/*!
Returns the pointer to the single instance of QKeyMapper in the application.
If none yet exists, the function ensures that one is created.
*/
QKeyMapper *QKeyMapper::instance()
{
return keymapper();
}
QKeyMapperPrivate *qt_keymapper_private()
{
return QKeyMapper::instance()->d_func();
}
QT_END_NAMESPACE
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