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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGESTURE_H
#define QGESTURE_H
#include <QtCore/qobject.h>
#include <QtCore/qlist.h>
#include <QtCore/qdatetime.h>
#include <QtCore/qpoint.h>
#include <QtCore/qrect.h>
#include <QtCore/qmetatype.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QGraphicsItem;
class QGesturePrivate;
class Q_GUI_EXPORT QGesture : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QGesture)
Q_PROPERTY(Qt::GestureState state READ state)
Q_PROPERTY(QObject* gestureTarget READ gestureTarget WRITE setGestureTarget)
public:
explicit QGesture(QObject *gestureTarget = 0, QObject *parent = 0);
~QGesture();
virtual bool filterEvent(QEvent *event) = 0;
void setGestureTarget(QObject *object);
QObject* gestureTarget() const;
void setGraphicsItem(QGraphicsItem *);
QGraphicsItem *graphicsItem() const;
Qt::GestureState state() const;
protected:
QGesture(QGesturePrivate &dd, QObject *gestureTarget, QObject *parent);
bool eventFilter(QObject*, QEvent*);
virtual void reset();
void updateState(Qt::GestureState state);
Q_SIGNALS:
void started();
void triggered();
void finished();
void cancelled();
private:
friend class QWidget;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QGESTURE_H
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