qwaylandsurface_p.h

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// Copyright (C) 2019 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 QWAYLANDSURFACE_P_H
#define QWAYLANDSURFACE_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/QScreen>
 
#include <QtWaylandClient/private/qwayland-wayland.h>
#include <QtCore/private/qglobal_p.h>
 
QT_BEGIN_NAMESPACE
 
namespace QtWaylandClient {
 
class QWaylandScreen;
class QWaylandWindow;
class QWaylandDisplay;
 
class QWaylandSurface : public QObject, public QtWayland::wl_surface
{
    Q_OBJECT
public:
    explicit QWaylandSurface(QWaylandDisplay *display);
    ~QWaylandSurface() override;
    QWaylandScreen *oldestEnteredScreen();
    QWaylandWindow *waylandWindow() const { return m_window; }
 
    static QWaylandSurface *fromWlSurface(::wl_surface *surface);
 
signals:
    void screensChanged();
 
private slots:
    void handleScreenRemoved(QScreen *qScreen);
 
protected:
    void surface_enter(struct ::wl_output *output) override;
    void surface_leave(struct ::wl_output *output) override;
 
    QList<QWaylandScreen *> m_screens; //As seen by wl_surface.enter/leave events. Chronological order.
    QWaylandWindow *m_window = nullptr;
 
    friend class QWaylandWindow; // TODO: shouldn't need to be friends
};
 
} // namespace QtWaylandClient
 
QT_END_NAMESPACE
 
#endif // QWAYLANDSURFACE_P_H