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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPOINTINGDEVICE_P_H
#define QPOINTINGDEVICE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/private/qevent_p.h>
#include <QtGui/qpointingdevice.h>
#include <QtGui/private/qtguiglobal_p.h>
#include <QtGui/private/qinputdevice_p.h>
#include <QtCore/private/qflatmap_p.h>
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QPointingDevicePrivate : public QInputDevicePrivate
{
Q_DECLARE_PUBLIC(QPointingDevice)
public:
QPointingDevicePrivate(const QString &name, qint64 id, QInputDevice::DeviceType type,
QPointingDevice::PointerType pType, QPointingDevice::Capabilities caps,
int maxPoints, int buttonCount,
const QString &seatName = QString(),
QPointingDeviceUniqueId uniqueId = QPointingDeviceUniqueId())
: QInputDevicePrivate(name, id, type, caps, seatName),
uniqueId(uniqueId),
maximumTouchPoints(qint8(maxPoints)), buttonCount(qint8(buttonCount)),
pointerType(pType)
{
pointingDeviceType = true;
activePoints.reserve(maxPoints);
}
void sendTouchCancelEvent(QTouchEvent *cancelEvent);
/*! \internal
This struct (stored in activePoints) holds persistent state between event deliveries.
*/
struct EventPointData {
QEventPoint eventPoint;
QPointer<QObject> exclusiveGrabber;
QList<QPointer <QObject> > passiveGrabbers;
};
EventPointData *queryPointById(int id) const;
EventPointData *pointById(int id) const;
void removePointById(int id);
QObject *firstActiveTarget() const;
QWindow *firstActiveWindow() const;
QObject *firstPointExclusiveGrabber() const;
void setExclusiveGrabber(const QPointerEvent *event, const QEventPoint &point, QObject *exclusiveGrabber);
bool removeExclusiveGrabber(const QPointerEvent *event, const QObject *grabber);
bool addPassiveGrabber(const QPointerEvent *event, const QEventPoint &point, QObject *grabber);
bool removePassiveGrabber(const QPointerEvent *event, const QEventPoint &point, QObject *grabber);
void clearPassiveGrabbers(const QPointerEvent *event, const QEventPoint &point);
void removeGrabber(QObject *grabber, bool cancel = false);
using EventPointMap = QFlatMap<int, EventPointData>;
mutable EventPointMap activePoints;
void * extra = nullptr; // QPA plugins can store platform-specific stuff here
QPointingDeviceUniqueId uniqueId;
quint32 toolId = 0; // only for Wacom tablets
qint8 maximumTouchPoints = 0;
qint8 buttonCount = 0;
QPointingDevice::PointerType pointerType = QPointingDevice::PointerType::Unknown;
bool toolProximity = false; // only for Wacom tablets
inline static QPointingDevicePrivate *get(QPointingDevice *q)
{
return static_cast<QPointingDevicePrivate *>(QObjectPrivate::get(q));
}
inline static const QPointingDevicePrivate *get(const QPointingDevice *q)
{
return static_cast<const QPointingDevicePrivate *>(QObjectPrivate::get(q));
}
static const QPointingDevice *tabletDevice(QInputDevice::DeviceType deviceType,
QPointingDevice::PointerType pointerType,
QPointingDeviceUniqueId uniqueId);
static const QPointingDevice *queryTabletDevice(QInputDevice::DeviceType deviceType,
QPointingDevice::PointerType pointerType,
QPointingDeviceUniqueId uniqueId,
qint64 systemId = 0);
};
QT_END_NAMESPACE
#endif // QPOINTINGDEVICE_P_H
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