src/gui/kernel/qgesture_p.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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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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#ifndef QGESTURE_P_H
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#define QGESTURE_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists for the convenience
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// of other Qt classes.  This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qrect.h"
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#include "qpoint.h"
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#include "qdatetime.h"
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#include "qgesture.h"
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#include "private/qobject_p.h"
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QT_BEGIN_NAMESPACE
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class QGesturePrivate : public QObjectPrivate
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{
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    Q_DECLARE_PUBLIC(QGesture)
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public:
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    QGesturePrivate()
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        : gestureType(Qt::CustomGesture), state(Qt::NoGesture), isHotSpotSet(false),
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          targetObject(0)
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    {
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    }
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    Qt::GestureType gestureType;
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    Qt::GestureState state;
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    QPointF hotSpot;
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    bool isHotSpotSet;
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    QObject *targetObject;
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};
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class QPanGesturePrivate : public QGesturePrivate
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{
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    Q_DECLARE_PUBLIC(QPanGesture)
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public:
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    QPanGesturePrivate()
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        : acceleration(0)
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    {
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    }
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    QPointF totalOffset;
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    QPointF lastOffset;
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    QPointF offset;
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    QPoint lastPosition;
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    qreal acceleration;
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};
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class QPinchGesturePrivate : public QGesturePrivate
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{
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    Q_DECLARE_PUBLIC(QPinchGesture)
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public:
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    QPinchGesturePrivate()
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        : whatChanged(0), totalScaleFactor(0), lastScaleFactor(0), scaleFactor(0),
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          totalRotationAngle(0), lastRotationAngle(0), rotationAngle(0)
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    {
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    }
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    QPinchGesture::WhatChanged whatChanged;
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    QPointF startCenterPoint;
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    QPointF lastCenterPoint;
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    QPointF centerPoint;
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    qreal totalScaleFactor;
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    qreal lastScaleFactor;
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    qreal scaleFactor;
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    qreal totalRotationAngle;
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    qreal lastRotationAngle;
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    qreal rotationAngle;
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};
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class QSwipeGesturePrivate : public QGesturePrivate
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{
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    Q_DECLARE_PUBLIC(QSwipeGesture)
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public:
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    QSwipeGesturePrivate()
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        : horizontalDirection(QSwipeGesture::NoDirection),
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          verticalDirection(QSwipeGesture::NoDirection),
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          swipeAngle(0)
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    {
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    }
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    QSwipeGesture::SwipeDirection horizontalDirection;
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    QSwipeGesture::SwipeDirection verticalDirection;
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    qreal swipeAngle;
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};
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QT_END_NAMESPACE
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#endif // QGESTURE_P_H