qoffscreenwindow.h

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// Copyright (C) 2016 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 QOFFSCREENWINDOW_H
#define QOFFSCREENWINDOW_H
 
#include <qpa/qplatformbackingstore.h>
#include <qpa/qplatformwindow.h>
 
#include <qhash.h>
 
QT_BEGIN_NAMESPACE
 
class QOffscreenWindow : public QPlatformWindow
{
public:
    QOffscreenWindow(QWindow *window, bool frameMarginsEnabled);
    ~QOffscreenWindow();
 
    void setGeometry(const QRect &rect) override;
    void setWindowState(Qt::WindowStates states) override;
 
    QMargins frameMargins() const override;
 
    void setVisible(bool visible) override;
    void requestActivateWindow() override;
 
    WId winId() const override;
 
    static QOffscreenWindow *windowForWinId(WId id);
 
private:
    void setFrameMarginsEnabled(bool enabled);
    void setGeometryImpl(const QRect &rect);
 
    QRect m_normalGeometry;
    QMargins m_margins;
    bool m_positionIncludesFrame;
    bool m_visible;
    bool m_pendingGeometryChangeOnShow;
    bool m_frameMarginsRequested;
    WId m_winId;
 
    Q_CONSTINIT static QHash<WId, QOffscreenWindow *> m_windowForWinIdHash;
};
 
QT_END_NAMESPACE
 
#endif