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// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2016 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QEVDEVTOUCHHANDLER_P_H
#define QEVDEVTOUCHHANDLER_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/qpointingdevice.h>
#include <QtGui/private/qtguiglobal_p.h>
#include <QObject>
#include <QString>
#include <QList>
#include <QHash>
#include <QThread>
#include <QtCore/private/qthread_p.h>
#include <qpa/qwindowsysteminterface.h>
#include "qevdevtouchfilter_p.h"
#if QT_CONFIG(mtdev)
struct mtdev;
#endif
QT_BEGIN_NAMESPACE
class QSocketNotifier;
class QEvdevTouchScreenData;
class QPointingDevice;
class QEvdevTouchScreenHandler : public QObject
{
Q_OBJECT
public:
explicit QEvdevTouchScreenHandler(const QString &device, const QString &spec = QString(), QObject *parent = nullptr);
~QEvdevTouchScreenHandler();
QPointingDevice *touchDevice() const;
bool isFiltered() const;
void readData();
signals:
void touchPointsUpdated();
private:
friend class QEvdevTouchScreenData;
friend class QEvdevTouchScreenHandlerThread;
void registerPointingDevice();
void unregisterPointingDevice();
QSocketNotifier *m_notify;
int m_fd;
QEvdevTouchScreenData *d;
QPointingDevice *m_device;
#if QT_CONFIG(mtdev)
mtdev *m_mtdev;
#endif
};
class QEvdevTouchScreenHandlerThread : public QDaemonThread
{
Q_OBJECT
public:
explicit QEvdevTouchScreenHandlerThread(const QString &device, const QString &spec, QObject *parent = nullptr);
~QEvdevTouchScreenHandlerThread();
void run() override;
bool isPointingDeviceRegistered() const;
bool eventFilter(QObject *object, QEvent *event) override;
void scheduleTouchPointUpdate();
signals:
void touchDeviceRegistered();
private:
Q_INVOKABLE void notifyTouchDeviceRegistered();
void filterAndSendTouchPoints();
QRect targetScreenGeometry() const;
QString m_device;
QString m_spec;
QEvdevTouchScreenHandler *m_handler;
bool m_touchDeviceRegistered;
bool m_touchUpdatePending;
QWindow *m_filterWindow;
struct FilteredTouchPoint {
QEvdevTouchFilter x;
QEvdevTouchFilter y;
QWindowSystemInterface::TouchPoint touchPoint;
};
QHash<int, FilteredTouchPoint> m_filteredPoints;
float m_touchRate;
};
QT_END_NAMESPACE
#endif // QEVDEVTOUCH_P_H
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