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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 Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSTANDARDGESTURES_H
#define QSTANDARDGESTURES_H
#include <QtGui/qevent.h>
#include <QtCore/qbasictimer.h>
#include <QtGui/qgesture.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QPanGesturePrivate;
class Q_GUI_EXPORT QPanGesture : public QGesture
{
Q_OBJECT
Q_DECLARE_PRIVATE(QPanGesture)
Q_PROPERTY(QSizeF totalOffset READ totalOffset)
Q_PROPERTY(QSizeF lastOffset READ lastOffset)
Q_PROPERTY(QSizeF offset READ offset)
public:
QPanGesture(QWidget *gestureTarget, QObject *parent = 0);
bool filterEvent(QEvent *event);
QSizeF totalOffset() const;
QSizeF lastOffset() const;
QSizeF offset() const;
protected:
void reset();
private:
bool event(QEvent *event);
bool eventFilter(QObject *receiver, QEvent *event);
friend class QWidget;
friend class QAbstractScrollAreaPrivate;
};
class QPinchGesturePrivate;
class Q_GUI_EXPORT QPinchGesture : public QGesture
{
Q_OBJECT
Q_DECLARE_PRIVATE(QPinchGesture)
public:
enum WhatChange {
ScaleFactorChanged = 0x1,
RotationAngleChanged = 0x2,
CenterPointChanged = 0x4
};
Q_DECLARE_FLAGS(WhatChanged, WhatChange)
Q_PROPERTY(WhatChanged whatChanged READ whatChanged)
Q_PROPERTY(qreal totalScaleFactor READ totalScaleFactor)
Q_PROPERTY(qreal lastScaleFactor READ lastScaleFactor)
Q_PROPERTY(qreal scaleFactor READ scaleFactor)
Q_PROPERTY(qreal totalRotationAngle READ totalRotationAngle)
Q_PROPERTY(qreal lastRotationAngle READ lastRotationAngle)
Q_PROPERTY(qreal rotationAngle READ rotationAngle)
Q_PROPERTY(QPointF startCenterPoint READ startCenterPoint)
Q_PROPERTY(QPointF lastCenterPoint READ lastCenterPoint)
Q_PROPERTY(QPointF centerPoint READ centerPoint)
public:
QPinchGesture(QWidget *gestureTarget, QObject *parent = 0);
bool filterEvent(QEvent *event);
void reset();
WhatChanged whatChanged() const;
QPointF startCenterPoint() const;
QPointF lastCenterPoint() const;
QPointF centerPoint() const;
qreal totalScaleFactor() const;
qreal lastScaleFactor() const;
qreal scaleFactor() const;
qreal totalRotationAngle() const;
qreal lastRotationAngle() const;
qreal rotationAngle() const;
private:
bool event(QEvent *event);
bool eventFilter(QObject *receiver, QEvent *event);
friend class QWidget;
};
class QSwipeGesturePrivate;
class Q_GUI_EXPORT QSwipeGesture : public QGesture
{
Q_OBJECT
Q_ENUMS(SwipeDirection)
Q_PROPERTY(SwipeDirection horizontalDirection READ horizontalDirection)
Q_PROPERTY(SwipeDirection verticalDirection READ verticalDirection)
Q_PROPERTY(qreal swipeAngle READ swipeAngle)
Q_DECLARE_PRIVATE(QSwipeGesture)
public:
enum SwipeDirection { NoDirection, Left, Right, Up, Down };
QSwipeGesture(QWidget *gestureTarget, QObject *parent = 0);
bool filterEvent(QEvent *event);
void reset();
SwipeDirection horizontalDirection() const;
SwipeDirection verticalDirection() const;
qreal swipeAngle() const;
private:
bool eventFilter(QObject *receiver, QEvent *event);
friend class QWidget;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSTANDARDGESTURES_H
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