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#ifndef QGESTURE_H
#define QGESTURE_H

#include "qobject.h"
#include "qlist.h"
#include "qdatetime.h"
#include "qpoint.h"
#include "qrect.h"
#include "qsharedpointer.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QGesturePrivate;
class Q_GUI_EXPORT QGesture
{
public:
    explicit QGesture(const Qt::GestureType &type, Qt::GestureState state = Qt::GestureStarted);
    QGesture(const Qt::GestureType &type, const QPoint &startPos,
             const QPoint &lastPos, const QPoint &pos, const QRect &rect,
             const QPoint &hotSpot, const QDateTime &startTime,
             uint duration, Qt::GestureState state);
    virtual ~QGesture();

    inline Qt::GestureType gestureType() const { return gestureType_; }
    inline Qt::GestureState state() const { return gestureState_; }

    QRect rect() const;
    QPoint hotSpot() const;
    QDateTime startTime() const;
    uint duration() const;

    QPoint startPos() const;
    QPoint lastPos() const;
    QPoint pos() const;

protected:
    QGesture(QGesturePrivate &dd, const Qt::GestureType &type, Qt::GestureState state = Qt::GestureStarted);
    QGesturePrivate *d;

private:
    Qt::GestureType gestureType_;
    Qt::GestureState gestureState_;
};

class Q_GUI_EXPORT QPannableGesture : public QGesture
{
public:
    enum DirectionType
    {
        None = 0,
        LeftDown = 1,
        DownLeft = LeftDown,
        Down = 2,
        RightDown = 3,
        DownRight = RightDown,
        Left = 4,
        Right = 6,
        LeftUp = 7,
        UpLeft = LeftUp,
        Up = 8,
        RightUp = 9,
        UpRight = RightUp
    };

public:
    explicit QPannableGesture(const Qt::GestureType &type, Qt::GestureState state = Qt::GestureStarted);
    QPannableGesture(const Qt::GestureType &type, const QPoint &startPos,
                     const QPoint &lastPos, const QPoint &pos, const QRect &rect,
                     const QPoint &hotSpot, const QDateTime &startTime,
                     uint duration, Qt::GestureState state);
    ~QPannableGesture();

    DirectionType lastDirection() const;
    DirectionType direction() const;

    friend class QGestureRecognizerPan;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QGESTURE_H