qwaylandfractionalscale_p.h

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// Copyright (C) 2022 David Edmundson <davidedmundson@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QWAYLANDFRACTIONALSCALE_P_H
#define QWAYLANDFRACTIONALSCALE_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 <QtWaylandClient/private/qwayland-fractional-scale-v1.h>
#include <QtWaylandClient/qtwaylandclientglobal.h>
 
#include <QObject>
 
#include <optional>
 
QT_BEGIN_NAMESPACE
 
namespace QtWaylandClient {
 
class QWaylandFractionalScale : public QObject, public QtWayland::wp_fractional_scale_v1
{
    Q_OBJECT
public:
    explicit QWaylandFractionalScale(struct ::wp_fractional_scale_v1 *object);
    ~QWaylandFractionalScale();
 
    std::optional<qreal> preferredScale() const { return mPreferredScale; }
 
Q_SIGNALS:
    void preferredScaleChanged();
 
protected:
    void wp_fractional_scale_v1_preferred_scale(uint scale) override;
 
private:
    std::optional<qreal> mPreferredScale;
};
 
}
 
QT_END_NAMESPACE
 
#endif