flowlayout.h

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#pragma once
 
#include <QLayout>
#include <QRect>
#include <QStyle>
class FlowLayout : public QLayout
{
public:
    explicit FlowLayout(QWidget* parent, int margin = -1, int hSpacing = -1, int vSpacing = -1);
    explicit FlowLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1);
    ~FlowLayout();
 
    void addItem(QLayoutItem* item);
    int horizontalSpacing() const;
    int verticalSpacing() const;
    Qt::Orientations expandingDirections() const;
    bool hasHeightForWidth() const;
    int heightForWidth(int) const;
    int count() const;
    QLayoutItem* itemAt(int index) const;
    QSize minimumSize() const;
    void setGeometry(const QRect& rect);
    QSize sizeHint() const;
    QLayoutItem* takeAt(int index);
 
private:
    int doLayout(const QRect& rect, bool testOnly) const;
    int smartSpacing(QStyle::PixelMetric pm) const;
 
    QList<QLayoutItem*> itemList;
    int m_hSpace;
    int m_vSpace;
};