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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGESTURERECOGNIZER_H
#define QGESTURERECOGNIZER_H
#include <QtCore/qglobal.h>
#include <QtCore/qnamespace.h>
#ifndef QT_NO_GESTURES
QT_BEGIN_NAMESPACE
class QObject;
class QEvent;
class QGesture;
class Q_WIDGETS_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
#endif // QT_NO_GESTURES
#endif // QGESTURERECOGNIZER_H
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