qt-everywhere-src-5.14.1/qtwayland/src/compositor/extensions/qwaylandwlscaler_p.h

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** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
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#ifndef QWAYLANDWLSCALER_P_H
#define QWAYLANDWLSCALER_P_H

#include "qwaylandwlscaler.h"

#include <QtWaylandCompositor/private/qwaylandcompositorextension_p.h>
#include <QtWaylandCompositor/private/qwayland-server-scaler.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.
//

QT_BEGIN_NAMESPACE

#if QT_DEPRECATED_SINCE(5, 13)
class QWaylandSurface;

class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandWlScalerPrivate
        : public QWaylandCompositorExtensionPrivate
        , public QtWaylandServer::wl_scaler
{
    Q_DECLARE_PUBLIC(QWaylandWlScaler)
public:
    explicit QWaylandWlScalerPrivate() = default;

protected:
    void scaler_destroy(Resource *resource) override;
    void scaler_get_viewport(Resource *resource, uint32_t id, wl_resource *surface) override;

private:
    class Viewport : public QtWaylandServer::wl_viewport
    {
    public:
        explicit Viewport(QWaylandSurface *surface, wl_client *client, int id, int version);
        void checkCommittedState();

    protected:
        void viewport_destroy_resource(Resource *resource) override;
        void viewport_destroy(Resource *resource) override;
        void viewport_set(Resource *resource, wl_fixed_t src_x, wl_fixed_t src_y, wl_fixed_t src_width, wl_fixed_t src_height, int32_t dst_width, int32_t dst_height) override;
        void viewport_set_source(Resource *resource, wl_fixed_t x, wl_fixed_t y, wl_fixed_t width, wl_fixed_t height) override;
        void viewport_set_destination(Resource *resource, int32_t width, int32_t height) override;

    private:
        QPointer<QWaylandSurface> m_surface = nullptr;
    };
};
#endif

QT_END_NAMESPACE

#endif // QWAYLANDWLSCALER_P_H