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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QGESTURERECOGNIZER_H
#define QGESTURERECOGNIZER_H
#include <QtWidgets/qtwidgetsglobal.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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