qwaylandsubsurface_p.h

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// Copyright (C) 2018 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

// Qt-Security score:significant reason:default

#ifndef QWAYLANDSUBSURFACE_H

#define QWAYLANDSUBSURFACE_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 <QtCore/private/qglobal_p.h>

#include <QtCore/qmutex.h>

#include <QtWaylandClient/qtwaylandclientglobal.h>

#include <QtWaylandClient/private/qwayland-wayland.h>

QT_BEGIN_NAMESPACE

namespace QtWaylandClient {

class QWaylandDisplay;

class QWaylandWindow;

class Q_WAYLANDCLIENT_EXPORT QWaylandSubSurface : public QtWayland::wl_subsurface

public:

    QWaylandSubSurface(QWaylandWindow *window, QWaylandWindow *parent, ::wl_subsurface *subsurface);

    ~QWaylandSubSurface() override;

    QWaylandWindow *window() const { return m_window; }

    QWaylandWindow *parent() const { return m_parent; }

    void setSync();

    void setDeSync();

    bool isSync() const { return m_synchronized; }

    QMutex *syncMutex() { return &m_syncLock; }

private:

    // Intentionally hide public methods from ::wl_subsurface

    // to keep track of the sync state

    void set_sync();

    void set_desync();

    QWaylandWindow *m_window = nullptr;

    QWaylandWindow *m_parent = nullptr;

    bool m_synchronized = false;

    QMutex m_syncLock;

};

QT_END_NAMESPACE

#endif // QWAYLANDSUBSURFACE_H