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