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// Copyright (C) 2025 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 QQUICKFLEXBOXLAYOUTENGINE_H
#define QQUICKFLEXBOXLAYOUTENGINE_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 <QtQuickLayouts/private/qquickflexboxlayoutitem_p.h>
QT_BEGIN_NAMESPACE
class QQuickFlexboxLayoutEngine
{
public:
QQuickFlexboxLayoutEngine();
~QQuickFlexboxLayoutEngine();
void setGeometries(const QSizeF &contentSize);
QSizeF sizeHint(Qt::SizeHint whichSizeHint) const;
void collectItemSizeHints(QQuickFlexboxLayoutItem *flexItem, QSizeF *sizeHints) const;
void removeItemSizeHint(QQuickItem *item);
void invalidateItemSizeHint(QQuickItem *item);
bool isChildOverflowingParent(QQuickItem *item);
void insertItem(QQuickFlexboxLayoutItem *item);
int itemCount() const;
QQuickItem *itemAt(int index) const;
int indexOf(QQuickItem *item) const;
QQuickFlexboxLayoutItem *findFlexboxLayoutItem(QQuickItem *item) const;
void clearItems();
void setFlexboxParentItem(QQuickFlexboxLayoutItem *parentItem);
QQuickFlexboxLayoutItem *getFlexboxParentItem() { return m_flexboxParentItem; }
private:
mutable QSizeF m_cachedSizeHints[Qt::NSizeHints];
SizeHints &cachedItemSizeHints(int index) const;
QList<QQuickFlexboxLayoutItem *> m_flexLayoutItems;
QQuickFlexboxLayoutItem *m_flexboxParentItem;
int m_visualDirection;
QSizeF m_contentSize;
};
QT_END_NAMESPACE
#endif // QQUICKFLEXBOXLAYOUTENGINE_H
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