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/*
remoteviewserver.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_REMOTEVIEWSERVER_H
#define GAMMARAY_REMOTEVIEWSERVER_H
#include <memory>
#include "gammaray_core_export.h"
#include <common/remoteviewinterface.h>
#include <QPointer>
QT_BEGIN_NAMESPACE
class QTimer;
class QWindow;
class QTouchDevice;
class QPointingDevice;
QT_END_NAMESPACE
namespace GammaRay {
/** Server part of the remote view widget. */
class GAMMARAY_CORE_EXPORT RemoteViewServer : public RemoteViewInterface
{
Q_OBJECT
Q_INTERFACES(GammaRay::RemoteViewInterface)
public:
explicit RemoteViewServer(const QString &name, QObject *parent = nullptr);
using EventReceiver = QWindow;
/// event receiver for input redirection
void setEventReceiver(EventReceiver *receiver);
/// resets the client view if the window selection changed
void resetView();
/// returns @c true if there is a client displaying our content
bool isActive() const;
/// set the grabber ready state
void setGrabberReady(bool ready);
/// sends a new frame to the client
void sendFrame(const RemoteViewFrame &frame);
QRectF userViewport() const;
public slots:
/// call this to indicate the source has changed and the client requires an update
void sourceChanged();
void requestCompleteFrame() override;
signals:
void elementsAtRequested(const QPoint &pos, GammaRay::RemoteViewInterface::RequestMode mode);
void doPickElementId(const GammaRay::ObjectId &id);
/// when receiving this signal, obtain a new frame and send it to the client
void requestUpdate();
private:
void requestElementsAt(const QPoint &pos, GammaRay::RemoteViewInterface::RequestMode mode) override;
void pickElementId(const GammaRay::ObjectId &id) override;
void sendKeyEvent(int type, int key, int modifiers, const QString &text, bool autorep,
ushort count) override;
void sendMouseEvent(int type, const QPoint &localPos, int button, int buttons,
int modifiers) override;
void sendWheelEvent(const QPoint &localPos, QPoint pixelDelta, QPoint angleDelta, int buttons,
int modifiers) override;
void sendTouchEvent(int type, int touchDeviceType, int deviceCaps, int touchDeviceMaxTouchPoints, int modifiers,
int touchPointStates, const QList<QTouchEvent::TouchPoint> &touchPoints)
override;
void setViewActive(bool active) override;
void sendUserViewport(const QRectF &userViewport) override;
void clientViewUpdated() override;
void checkRequestUpdate();
private slots:
void clientConnectedChanged(bool connected);
void requestUpdateTimeout();
private:
QPointer<EventReceiver> m_eventReceiver;
QTimer *m_updateTimer;
QRectF m_lastTransmittedViewRect;
QRectF m_lastTransmittedImageRect;
QRectF m_userViewport;
bool m_clientActive;
bool m_sourceChanged;
bool m_clientReady;
bool m_grabberReady;
bool m_pendingReset;
bool m_pendingCompleteFrame;
#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
std::unique_ptr<QPointingDevice> m_touchDevice;
#else
std::unique_ptr<QTouchDevice> m_touchDevice;
#endif
};
}
#endif // GAMMARAY_REMOTEVIEWSERVER_H
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