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// Copyright (C) 2020 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 QEVDEVMOUSEHANDLER_P_H
#define QEVDEVMOUSEHANDLER_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 <QObject>
#include <QString>
#include <QPoint>
#include <QEvent>
#include <private/qglobal_p.h>
#include <memory>
QT_BEGIN_NAMESPACE
class QSocketNotifier;
class QEvdevMouseHandler : public QObject
{
Q_OBJECT
public:
static std::unique_ptr<QEvdevMouseHandler> create(const QString &device, const QString &specification);
~QEvdevMouseHandler();
void readMouseData();
signals:
void handleMouseEvent(int x, int y, bool abs, Qt::MouseButtons buttons,
Qt::MouseButton button, QEvent::Type type);
void handleWheelEvent(QPoint delta);
private:
QEvdevMouseHandler(const QString &device, int fd, bool abs, bool compression, int jitterLimit);
void sendMouseEvent();
bool getHardwareMaximum();
void detectHiResWheelSupport();
QString m_device;
int m_fd;
QSocketNotifier *m_notify = nullptr;
int m_x = 0, m_y = 0;
int m_prevx = 0, m_prevy = 0;
bool m_abs;
bool m_compression;
bool m_hiResWheel = false;
bool m_hiResHWheel = false;
Qt::MouseButtons m_buttons;
Qt::MouseButton m_button;
QEvent::Type m_eventType;
int m_jitterLimitSquared;
bool m_prevInvalid = true;
int m_hardwareWidth;
int m_hardwareHeight;
qreal m_hardwareScalerY;
qreal m_hardwareScalerX;
};
QT_END_NAMESPACE
#endif // QEVDEVMOUSEHANDLER_P_H
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