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50
51#ifndef FLOWLAYOUT_H
52#define FLOWLAYOUT_H
53
54#include <QLayout>
55#include <QRect>
56#include <QStyle>
57//! [0]
58class FlowLayout : public QLayout
59{
60public:
61 explicit FlowLayout(QWidget *parent, int margin = -1, int hSpacing = -1, int vSpacing = -1);
62 explicit FlowLayout(int margin = -1, int hSpacing = -1, int vSpacing = -1);
63 ~FlowLayout();
64
65 void addItem(QLayoutItem *item) override;
66 int horizontalSpacing() const;
67 int verticalSpacing() const;
68 Qt::Orientations expandingDirections() const override;
69 bool hasHeightForWidth() const override;
70 int heightForWidth(int) const override;
71 int count() const override;
72 QLayoutItem *itemAt(int index) const override;
73 QSize minimumSize() const override;
74 void setGeometry(const QRect &rect) override;
75 QSize sizeHint() const override;
76 QLayoutItem *takeAt(int index) override;
77
78private:
79 int doLayout(const QRect &rect, bool testOnly) const;
80 int smartSpacing(QStyle::PixelMetric pm) const;
81
82 QList<QLayoutItem *> itemList;
83 int m_hSpace;
84 int m_vSpace;
85};
86//! [0]
87
88#endif // FLOWLAYOUT_H
89

source code of qtbase/examples/widgets/layouts/flowlayout/flowlayout.h