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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** 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 QGESTURE_P_H

#define QGESTURE_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of other Qt classes.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "qrect.h"

#include "qpoint.h"

#include "qgesture.h"

#include "qelapsedtimer.h"

#include "private/qobject_p.h"

#ifndef QT_NO_GESTURES

QT_BEGIN_NAMESPACE

class QGesturePrivate : public QObjectPrivate

{

    Q_DECLARE_PUBLIC(QGesture)

public:

    QGesturePrivate()

        : gestureType(Qt::CustomGesture), state(Qt::NoGesture),

          isHotSpotSet(false), gestureCancelPolicy(0)

    {

    }

    Qt::GestureType gestureType;

    Qt::GestureState state;

    QPointF hotSpot;

    QPointF sceneHotSpot;

    uint isHotSpotSet : 1;

    uint gestureCancelPolicy : 2;

};

class QPanGesturePrivate : public QGesturePrivate

{

    Q_DECLARE_PUBLIC(QPanGesture)

public:

    QPanGesturePrivate()

        : acceleration(0)

    {

    }

    QPointF lastOffset;

    QPointF offset;

    QPoint startPosition;

    qreal acceleration;

};

class QPinchGesturePrivate : public QGesturePrivate

{

    Q_DECLARE_PUBLIC(QPinchGesture)

public:

    QPinchGesturePrivate()

        : totalChangeFlags(0), changeFlags(0),

          totalScaleFactor(0), lastScaleFactor(0), scaleFactor(0),

          totalRotationAngle(0), lastRotationAngle(0), rotationAngle(0),

          isNewSequence(true)

    {

    }

    QPinchGesture::ChangeFlags totalChangeFlags;

    QPinchGesture::ChangeFlags changeFlags;

    QPointF startCenterPoint;

    QPointF lastCenterPoint;

    QPointF centerPoint;

    qreal totalScaleFactor;

    qreal lastScaleFactor;

    qreal scaleFactor;

    qreal totalRotationAngle;

    qreal lastRotationAngle;

    qreal rotationAngle;

    bool isNewSequence;

    QPointF startPosition[2];

};

class QSwipeGesturePrivate : public QGesturePrivate

{

    Q_DECLARE_PUBLIC(QSwipeGesture)

public:

    QSwipeGesturePrivate()

        : horizontalDirection(QSwipeGesture::NoDirection),

          verticalDirection(QSwipeGesture::NoDirection),

          swipeAngle(0),

          started(false), speed(0)

    {

    }

    QSwipeGesture::SwipeDirection horizontalDirection;

    QSwipeGesture::SwipeDirection verticalDirection;

    qreal swipeAngle;

    QPoint lastPositions[3];

    bool started;

    qreal speed;

    QElapsedTimer time;

};

class QTapGesturePrivate : public QGesturePrivate

{

    Q_DECLARE_PUBLIC(QTapGesture)

public:

    QTapGesturePrivate()

    {

    }

    QPointF position;

};

class QTapAndHoldGesturePrivate : public QGesturePrivate

{

    Q_DECLARE_PUBLIC(QTapAndHoldGesture)

public:

    QTapAndHoldGesturePrivate()

        : timerId(0)

    {

    }

    QPointF position;

    int timerId;

    static int Timeout;

};

QT_END_NAMESPACE

#endif // QT_NO_GESTURES

#endif // QGESTURE_P_H