subcompositor.h

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/*
    SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
    SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
 
#pragma once
 
#include "kwin_export.h"
 
#include <QObject>
#include <memory>
 
struct wl_resource;
 
namespace KWin
{
class Display;
class SubCompositorInterfacePrivate;
class SurfaceInterface;
class SurfaceRole;
class SubSurfaceInterface;
class SubSurfaceInterfacePrivate;
 
class KWIN_EXPORT SubCompositorInterface : public QObject
{
    Q_OBJECT
 
public:
    explicit SubCompositorInterface(Display *display, QObject *parent = nullptr);
    ~SubCompositorInterface() override;
 
Q_SIGNALS:
    void subSurfaceCreated(KWin::SubSurfaceInterface *subsurface);
 
private:
    std::unique_ptr<SubCompositorInterfacePrivate> d;
};
 
class KWIN_EXPORT SubSurfaceInterface : public QObject
{
    Q_OBJECT
 
public:
    ~SubSurfaceInterface() override;
 
    static SurfaceRole *role();
 
    QPoint position() const;
 
    enum class Mode {
        Synchronized,
        Desynchronized,
    };
 
    Mode mode() const;
 
    bool isSynchronized() const;
 
    SurfaceInterface *surface() const;
 
    SurfaceInterface *parentSurface() const;
 
    SurfaceInterface *mainSurface() const;
 
Q_SIGNALS:
    void positionChanged(const QPoint &position);
    void modeChanged(KWin::SubSurfaceInterface::Mode mode);
 
private:
    SubSurfaceInterface(SurfaceInterface *surface, SurfaceInterface *parent, wl_resource *resource);
 
    void parentDesynchronized();
    void parentApplyState(quint32 serial);
 
    std::unique_ptr<SubSurfaceInterfacePrivate> d;
    friend class SurfaceInterfacePrivate;
    friend class SubSurfaceInterfacePrivate;
    friend class SubCompositorInterfacePrivate;
};
 
} // namespace KWin
 
Q_DECLARE_METATYPE(KWin::SubSurfaceInterface::Mode)