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****************************************************************************/

#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

Q_DECLARE_METATYPE(Qt::GestureState)

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QGesturePrivate;

class Q_GUI_EXPORT QGesture : public QObject

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QGesture)

    Q_PROPERTY(Qt::GestureState state READ state)

    Q_PROPERTY(Qt::GestureType gestureType READ gestureType)

    Q_PROPERTY(QPointF hotSpot READ hotSpot WRITE setHotSpot RESET unsetHotSpot)

    Q_PROPERTY(bool hasHotSpot READ hasHotSpot)

public:

    explicit QGesture(QObject *parent = 0);

    ~QGesture();

    Qt::GestureType gestureType() const;

    Qt::GestureState state() const;

    QPointF hotSpot() const;

    void setHotSpot(const QPointF &value);

    bool hasHotSpot() const;

    void unsetHotSpot();

protected:

    QGesture(QGesturePrivate &dd, QObject *parent);

private:

    friend class QGestureEvent;

    friend class QGestureRecognizer;

    friend class QGestureManager;

};

class QPanGesturePrivate;

class Q_GUI_EXPORT QPanGesture : public QGesture

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QPanGesture)

    Q_PROPERTY(QPointF totalOffset READ totalOffset WRITE setTotalOffset)

    Q_PROPERTY(QPointF lastOffset READ lastOffset WRITE setLastOffset)

    Q_PROPERTY(QPointF offset READ offset WRITE setOffset)

    Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration)

public:

    QPanGesture(QObject *parent = 0);

    QPointF totalOffset() const;

    QPointF lastOffset() const;

    QPointF offset() const;

    qreal acceleration() const;

    void setTotalOffset(const QPointF &value);

    void setLastOffset(const QPointF &value);

    void setOffset(const QPointF &value);

    void setAcceleration(qreal value);

    friend class QPanGestureRecognizer;

    friend class QWinNativePanGestureRecognizer;

};

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 WRITE setWhatChanged)

    Q_PROPERTY(qreal totalScaleFactor READ totalScaleFactor WRITE setTotalScaleFactor)

    Q_PROPERTY(qreal lastScaleFactor READ lastScaleFactor WRITE setLastScaleFactor)

    Q_PROPERTY(qreal scaleFactor READ scaleFactor WRITE setScaleFactor)

    Q_PROPERTY(qreal totalRotationAngle READ totalRotationAngle WRITE setTotalRotationAngle)

    Q_PROPERTY(qreal lastRotationAngle READ lastRotationAngle WRITE setLastRotationAngle)

    Q_PROPERTY(qreal rotationAngle READ rotationAngle WRITE setRotationAngle)

    Q_PROPERTY(QPointF startCenterPoint READ startCenterPoint WRITE setStartCenterPoint)

    Q_PROPERTY(QPointF lastCenterPoint READ lastCenterPoint WRITE setLastCenterPoint)

    Q_PROPERTY(QPointF centerPoint READ centerPoint WRITE setCenterPoint)

public:

    QPinchGesture(QObject *parent = 0);

    WhatChanged whatChanged() const;

    void setWhatChanged(WhatChanged value);

    QPointF startCenterPoint() const;

    QPointF lastCenterPoint() const;

    QPointF centerPoint() const;

    void setStartCenterPoint(const QPointF &value);

    void setLastCenterPoint(const QPointF &value);

    void setCenterPoint(const QPointF &value);

    qreal totalScaleFactor() const;

    qreal lastScaleFactor() const;

    qreal scaleFactor() const;

    void setTotalScaleFactor(qreal value);

    void setLastScaleFactor(qreal value);

    void setScaleFactor(qreal value);

    qreal totalRotationAngle() const;

    qreal lastRotationAngle() const;

    qreal rotationAngle() const;

    void setTotalRotationAngle(qreal value);

    void setLastRotationAngle(qreal value);

    void setRotationAngle(qreal value);

    friend class QPinchGestureRecognizer;

};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QPinchGesture::WhatChanged)

QT_BEGIN_NAMESPACE

class QSwipeGesturePrivate;

class Q_GUI_EXPORT QSwipeGesture : public QGesture

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QSwipeGesture)

    Q_ENUMS(SwipeDirection)

    Q_PROPERTY(SwipeDirection horizontalDirection READ horizontalDirection STORED false)

    Q_PROPERTY(SwipeDirection verticalDirection READ verticalDirection STORED false)

    Q_PROPERTY(qreal swipeAngle READ swipeAngle WRITE setSwipeAngle)

public:

    enum SwipeDirection { NoDirection, Left, Right, Up, Down };

    QSwipeGesture(QObject *parent = 0);

    SwipeDirection horizontalDirection() const;

    SwipeDirection verticalDirection() const;

    qreal swipeAngle() const;

    void setSwipeAngle(qreal value);

    friend class QSwipeGestureRecognizer;

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QGESTURE_H