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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_H
#define QPOINTINGDEVICE_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qobject.h>
#include <QtGui/qinputdevice.h>
QT_BEGIN_NAMESPACE
class QDebug;
class QPointingDevicePrivate;
class QScreen;
class Q_GUI_EXPORT QPointingDeviceUniqueId
{
Q_GADGET
Q_PROPERTY(qint64 numericId READ numericId CONSTANT)
public:
Q_ALWAYS_INLINE
Q_DECL_CONSTEXPR QPointingDeviceUniqueId() noexcept : m_numericId(-1) {}
// compiler-generated copy/move ctor/assignment operators are ok!
// compiler-generated dtor is ok!
static QPointingDeviceUniqueId fromNumericId(qint64 id);
Q_ALWAYS_INLINE Q_DECL_CONSTEXPR bool isValid() const noexcept { return m_numericId != -1; }
qint64 numericId() const noexcept;
private:
// TODO: for TUIO 2, or any other type of complex token ID, an internal
// array (or hash) can be added to hold additional properties.
// In this case, m_numericId will then turn into an index into that array (or hash).
qint64 m_numericId;
};
Q_DECLARE_TYPEINFO(QPointingDeviceUniqueId, Q_MOVABLE_TYPE);
Q_GUI_EXPORT bool operator==(QPointingDeviceUniqueId lhs, QPointingDeviceUniqueId rhs) noexcept;
inline bool operator!=(QPointingDeviceUniqueId lhs, QPointingDeviceUniqueId rhs) noexcept
{ return !operator==(lhs, rhs); }
Q_GUI_EXPORT size_t qHash(QPointingDeviceUniqueId key, size_t seed = 0) noexcept;
class Q_GUI_EXPORT QPointingDevice : public QInputDevice
{
Q_OBJECT
Q_DECLARE_PRIVATE(QPointingDevice)
Q_PROPERTY(PointerType pointerType READ pointerType)
Q_PROPERTY(int maximumPoints READ maximumPoints)
Q_PROPERTY(int buttonCount READ buttonCount)
Q_PROPERTY(QPointingDeviceUniqueId uniqueId READ uniqueId)
public:
enum class PointerType : qint16 {
Unknown = 0,
Generic = 0x0001, // mouse or similar
Finger = 0x0002, // touchscreen or pad
Pen = 0x0004, // stylus on a tablet
Eraser = 0x0008, // eraser end of a stylus
Cursor = 0x0010, // digitizer with crosshairs
AllPointerTypes = 0x7FFF
};
Q_DECLARE_FLAGS(PointerTypes, PointerType)
Q_FLAG(PointerTypes)
QPointingDevice();
~QPointingDevice();
QPointingDevice(const QString &name, qint64 id, QInputDevice::DeviceType devType,
PointerType pType, Capabilities caps, int maxPoints, int buttonCount,
const QString &seatName = QString(),
QPointingDeviceUniqueId uniqueId = QPointingDeviceUniqueId(),
QObject *parent = nullptr);
#if QT_DEPRECATED_SINCE(6, 0)
QT_DEPRECATED_VERSION_X_6_0("Use the constructor")
void setType(DeviceType devType);
QT_DEPRECATED_VERSION_X_6_0("Use the constructor")
void setCapabilities(QInputDevice::Capabilities caps);
QT_DEPRECATED_VERSION_X_6_0("Use the constructor")
void setMaximumTouchPoints(int c);
#endif
PointerType pointerType() const;
int maximumPoints() const;
int buttonCount() const;
QPointingDeviceUniqueId uniqueId() const;
static const QPointingDevice *primaryPointingDevice(const QString& seatName = QString());
static const QPointingDevice *tabletDevice(QInputDevice::DeviceType deviceType,
QPointingDevice::PointerType pointerType,
QPointingDeviceUniqueId uniqueId, quint32 usbId = 0);
bool operator==(const QPointingDevice &other) const;
protected:
QPointingDevice(QPointingDevicePrivate &d, QObject *parent = nullptr);
Q_DISABLE_COPY_MOVE(QPointingDevice)
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QPointingDevice::PointerTypes)
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QPointingDevice *);
#endif
//typedef QPointingDevice QTouchDevice; // Qt 5 source compatibility if we need it? or could be "using"
QT_END_NAMESPACE
#endif // QPOINTINGDEVICE_H
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