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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

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