sdrangel/sdrgui/gui/flowlayout.h

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// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com>                         //
// Copyright (C) 2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com>                   //
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// GNU General Public License V3 for more details.                                   //
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// You should have received a copy of the GNU General Public License                 //
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#ifndef FLOWLAYOUT_H
#define FLOWLAYOUT_H

#include "export.h"

#include <QLayout>
#include <QRect>
#include <QStyle>
//! [0]
class SDRGUI_API 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) override;
    int horizontalSpacing() const;
    int verticalSpacing() const;
    Qt::Orientations expandingDirections() const override;
    bool hasHeightForWidth() const override;
    int heightForWidth(int) const override;
    int count() const override;
    QLayoutItem *itemAt(int index) const override;
    QSize minimumSize() const override;
    void setGeometry(const QRect &rect) override;
    QSize sizeHint() const override;
    QLayoutItem *takeAt(int index) override;

private:
    int doLayout(const QRect &rect, bool testOnly) const;
    int smartSpacing(QStyle::PixelMetric pm) const;

    QList<QLayoutItem *> itemList;
    int m_hSpace;
    int m_vSpace;
};
//! [0]

#endif // FLOWLAYOUT_H