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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; }
std::optional<int32_t> preferredBufferScale() const { return m_preferredBufferScale; }
std::optional<wl_output_transform> preferredBufferTransform() const { return m_preferredBufferTransform; }
static QWaylandSurface *fromWlSurface(::wl_surface *surface);
Q_SIGNALS:
void screensChanged();
void preferredBufferScaleChanged();
void preferredBufferTransformChanged();
private Q_SLOTS:
void handleScreenRemoved(QScreen *qScreen);
protected:
void surface_enter(struct ::wl_output *output) override;
void surface_leave(struct ::wl_output *output) override;
void surface_preferred_buffer_scale(int32_t scale) override;
void surface_preferred_buffer_transform(uint32_t transform) override;
QList<QWaylandScreen *> m_screens; //As seen by wl_surface.enter/leave events. Chronological order.
QWaylandWindow *m_window = nullptr;
std::optional<int32_t> m_preferredBufferScale;
std::optional<wl_output_transform> m_preferredBufferTransform;
friend class QWaylandWindow; // TODO: shouldn't need to be friends
};
} // namespace QtWaylandClient
QT_END_NAMESPACE
#endif // QWAYLANDSURFACE_P_H
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