/****************************************************************************+
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**+
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** Copyright (C) 2010 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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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QGESTURERECOGNIZER_H+
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#define QGESTURERECOGNIZER_H+
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+
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#include <QtCore/qglobal.h>+
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#include <QtCore/qnamespace.h>+
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+
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QT_BEGIN_HEADER+
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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 QObject;+
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class QEvent;+
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class QGesture;+
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class Q_GUI_EXPORT QGestureRecognizer+
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{+
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public:+
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    enum ResultFlag+
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    {+
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        Ignore           = 0x0001,+
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+
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        MayBeGesture     = 0x0002,+
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        TriggerGesture   = 0x0004,+
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        FinishGesture    = 0x0008,+
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        CancelGesture    = 0x0010,+
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+
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        ResultState_Mask = 0x00ff,+
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+
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        ConsumeEventHint        = 0x0100,+
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        // StoreEventHint          = 0x0200,+
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        // ReplayStoredEventsHint  = 0x0400,+
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        // DiscardStoredEventsHint = 0x0800,+
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+
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        ResultHint_Mask = 0xff00+
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    };+
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    Q_DECLARE_FLAGS(Result, ResultFlag)+
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+
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    QGestureRecognizer();+
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    virtual ~QGestureRecognizer();+
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+
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    virtual QGesture *create(QObject *target);+
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    virtual Result recognize(QGesture *state, QObject *watched,+
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                             QEvent *event) = 0;+
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    virtual void reset(QGesture *state);+
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+
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    static Qt::GestureType registerRecognizer(QGestureRecognizer *recognizer);+
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    static void unregisterRecognizer(Qt::GestureType type);+
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};+
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+
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Q_DECLARE_OPERATORS_FOR_FLAGS(QGestureRecognizer::Result)+
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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 // QGESTURERECOGNIZER_H+
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