flowlayout.h Example File

graphicsview/flowlayout/flowlayout.h
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#include <QGraphicsLayout> class FlowLayout : public QGraphicsLayout { public: FlowLayout(); 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]; }; inline void FlowLayout::addItem(QGraphicsLayoutItem *item) { insertItem(-1, item); }