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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
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef QMULTITOUCH_MAC_P_H
#define QMULTITOUCH_MAC_P_H
#include <QtCore/qglobal.h>
#include <qpa/qwindowsysteminterface.h>
#include <qhash.h>
#include <QtCore>
#include <QtGui/qpointingdevice.h>
#include <QtCore/private/qcore_mac_p.h>
Q_FORWARD_DECLARE_OBJC_CLASS(NSTouch);
QT_FORWARD_DECLARE_OBJC_ENUM(NSTouchPhase, unsigned long);
QT_BEGIN_NAMESPACE
class QCocoaTouch
{
public:
static QList<QWindowSystemInterface::TouchPoint> getCurrentTouchPointList(NSEvent *event, bool acceptSingleTouch);
static void setMouseInDraggingState(bool inDraggingState);
static QPointingDevice *getTouchDevice(QInputDevice::DeviceType type, quint64 id);
private:
static QHash<quint64, QPointingDevice*> _touchDevices;
static QHash<qint64, QCocoaTouch*> _currentTouches;
static QPointF _screenReferencePos;
static QPointF _trackpadReferencePos;
static int _idAssignmentCount;
static int _touchCount;
static bool _updateInternalStateOnly;
QWindowSystemInterface::TouchPoint _touchPoint;
qint64 _identity;
QCocoaTouch(NSTouch *nstouch);
~QCocoaTouch();
void updateTouchData(NSTouch *nstouch, NSTouchPhase phase);
static QCocoaTouch *findQCocoaTouch(NSTouch *nstouch);
static QEventPoint::State toTouchPointState(NSTouchPhase nsState);
};
QT_END_NAMESPACE
#endif // QMULTITOUCH_MAC_P_H
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