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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef FLOWLAYOUT_H
#define FLOWLAYOUT_H
#include <QGraphicsLayout>
class FlowLayout : public QGraphicsLayout
{
public:
FlowLayout(QGraphicsLayoutItem *parent = nullptr);
inline void addItem(QGraphicsLayoutItem *item);
void insertItem(int index, QGraphicsLayoutItem *item);
void setSpacing(Qt::Orientations o, qreal spacing);
qreal spacing(Qt::Orientation o) const;
// inherited functions
void setGeometry(const QRectF &geom) override;
int count() const override;
QGraphicsLayoutItem *itemAt(int index) const override;
void removeAt(int index) override;
protected:
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const override;
private:
qreal doLayout(const QRectF &geom, bool applyNewGeometry) const;
QSizeF minSize(const QSizeF &constraint) const;
QSizeF prefSize() const;
QSizeF maxSize() const;
QList<QGraphicsLayoutItem *> m_items;
qreal m_spacing[2] = {6, 6};
};
inline void FlowLayout::addItem(QGraphicsLayoutItem *item)
{
insertItem(-1, item);
}
#endif // FLOWLAYOUT_H
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