/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QGESTURE_H+
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#define QGESTURE_H+
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+
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#include <QtCore/qobject.h>+
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#include <QtCore/qlist.h>+
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#include <QtCore/qdatetime.h>+
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#include <QtCore/qpoint.h>+
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#include <QtCore/qrect.h>+
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#include <QtCore/qmetatype.h>+
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+
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QT_BEGIN_HEADER+
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+
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Q_DECLARE_METATYPE(Qt::GestureState)+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Gui)+
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+
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class QGesturePrivate;+
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class Q_GUI_EXPORT QGesture : public QObject+
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{+
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    Q_OBJECT+
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    Q_DECLARE_PRIVATE(QGesture)+
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+
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    Q_PROPERTY(Qt::GestureState state READ state)+
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    Q_PROPERTY(Qt::GestureType gestureType READ gestureType)+
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    Q_PROPERTY(QPointF hotSpot READ hotSpot WRITE setHotSpot RESET unsetHotSpot)+
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    Q_PROPERTY(bool hasHotSpot READ hasHotSpot)+
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+
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public:+
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    explicit QGesture(QObject *parent = 0);+
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    ~QGesture();+
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+
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    Qt::GestureType gestureType() const;+
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+
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    Qt::GestureState state() const;+
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+
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    QPointF hotSpot() const;+
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    void setHotSpot(const QPointF &value);+
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    bool hasHotSpot() const;+
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    void unsetHotSpot();+
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+
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protected:+
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    QGesture(QGesturePrivate &dd, QObject *parent);+
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+
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private:+
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    friend class QGestureEvent;+
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    friend class QGestureRecognizer;+
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    friend class QGestureManager;+
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};+
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+
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class QPanGesturePrivate;+
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class Q_GUI_EXPORT QPanGesture : public QGesture+
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{+
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    Q_OBJECT+
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    Q_DECLARE_PRIVATE(QPanGesture)+
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+
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    Q_PROPERTY(QPointF totalOffset READ totalOffset WRITE setTotalOffset)+
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    Q_PROPERTY(QPointF lastOffset READ lastOffset WRITE setLastOffset)+
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    Q_PROPERTY(QPointF offset READ offset WRITE setOffset)+
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    Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration)+
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+
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public:+
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    QPanGesture(QObject *parent = 0);+
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+
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    QPointF totalOffset() const;+
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    QPointF lastOffset() const;+
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    QPointF offset() const;+
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    qreal acceleration() const;+
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+
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    void setTotalOffset(const QPointF &value);+
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    void setLastOffset(const QPointF &value);+
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    void setOffset(const QPointF &value);+
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    void setAcceleration(qreal value);+
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+
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    friend class QPanGestureRecognizer;+
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    friend class QWinNativePanGestureRecognizer;+
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};+
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+
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class QPinchGesturePrivate;+
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class Q_GUI_EXPORT QPinchGesture : public QGesture+
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{+
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    Q_OBJECT+
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    Q_DECLARE_PRIVATE(QPinchGesture)+
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+
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public:+
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    enum WhatChange {+
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        ScaleFactorChanged = 0x1,+
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        RotationAngleChanged = 0x2,+
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        CenterPointChanged = 0x4+
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    };+
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    Q_DECLARE_FLAGS(WhatChanged, WhatChange)+
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+
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    Q_PROPERTY(WhatChanged whatChanged READ whatChanged WRITE setWhatChanged)+
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+
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    Q_PROPERTY(qreal totalScaleFactor READ totalScaleFactor WRITE setTotalScaleFactor)+
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    Q_PROPERTY(qreal lastScaleFactor READ lastScaleFactor WRITE setLastScaleFactor)+
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    Q_PROPERTY(qreal scaleFactor READ scaleFactor WRITE setScaleFactor)+
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+
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    Q_PROPERTY(qreal totalRotationAngle READ totalRotationAngle WRITE setTotalRotationAngle)+
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    Q_PROPERTY(qreal lastRotationAngle READ lastRotationAngle WRITE setLastRotationAngle)+
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    Q_PROPERTY(qreal rotationAngle READ rotationAngle WRITE setRotationAngle)+
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+
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    Q_PROPERTY(QPointF startCenterPoint READ startCenterPoint WRITE setStartCenterPoint)+
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    Q_PROPERTY(QPointF lastCenterPoint READ lastCenterPoint WRITE setLastCenterPoint)+
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    Q_PROPERTY(QPointF centerPoint READ centerPoint WRITE setCenterPoint)+
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+
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public:+
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    QPinchGesture(QObject *parent = 0);+
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+
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    WhatChanged whatChanged() const;+
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    void setWhatChanged(WhatChanged value);+
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+
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    QPointF startCenterPoint() const;+
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    QPointF lastCenterPoint() const;+
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    QPointF centerPoint() const;+
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    void setStartCenterPoint(const QPointF &value);+
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    void setLastCenterPoint(const QPointF &value);+
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    void setCenterPoint(const QPointF &value);+
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+
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    qreal totalScaleFactor() const;+
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    qreal lastScaleFactor() const;+
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    qreal scaleFactor() const;+
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    void setTotalScaleFactor(qreal value);+
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    void setLastScaleFactor(qreal value);+
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    void setScaleFactor(qreal value);+
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+
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    qreal totalRotationAngle() const;+
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    qreal lastRotationAngle() const;+
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    qreal rotationAngle() const;+
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    void setTotalRotationAngle(qreal value);+
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    void setLastRotationAngle(qreal value);+
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    void setRotationAngle(qreal value);+
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+
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    friend class QPinchGestureRecognizer;+
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};+
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+
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QT_END_NAMESPACE+
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+
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Q_DECLARE_METATYPE(QPinchGesture::WhatChanged)+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QSwipeGesturePrivate;+
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class Q_GUI_EXPORT QSwipeGesture : public QGesture+
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{+
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    Q_OBJECT+
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    Q_DECLARE_PRIVATE(QSwipeGesture)+
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    Q_ENUMS(SwipeDirection)+
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+
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    Q_PROPERTY(SwipeDirection horizontalDirection READ horizontalDirection STORED false)+
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    Q_PROPERTY(SwipeDirection verticalDirection READ verticalDirection STORED false)+
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    Q_PROPERTY(qreal swipeAngle READ swipeAngle WRITE setSwipeAngle)+
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+
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public:+
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    enum SwipeDirection { NoDirection, Left, Right, Up, Down };+
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    QSwipeGesture(QObject *parent = 0);+
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+
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    SwipeDirection horizontalDirection() const;+
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    SwipeDirection verticalDirection() const;+
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+
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    qreal swipeAngle() const;+
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    void setSwipeAngle(qreal value);+
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+
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    friend class QSwipeGestureRecognizer;+
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};+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // QGESTURE_H+
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