KisWrappableHBoxLayout.h

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/* This file is part of the KDE project
 * Author: Agata Cacko cacko.azh@gmail.com
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#ifndef KIS_WRAPPABLE_HBOX_LAYOUT_H
#define KIS_WRAPPABLE_HBOX_LAYOUT_H
 
#include <QVector>
#include <QLayout>
#include "kritawidgetutils_export.h"
 
// code taken partially from https://doc.qt.io/qt-5/qtwidgets-layouts-flowlayout-example.html
// and https://doc.qt.io/qt-5/layout.html
class KRITAWIDGETUTILS_EXPORT KisWrappableHBoxLayout : public QLayout
{
    Q_OBJECT
 
public:
    explicit KisWrappableHBoxLayout(QWidget* parent = nullptr);
    ~KisWrappableHBoxLayout() override;
 
    void addItem(QLayoutItem *item) override;
    QSize sizeHint() const override;
    QSize minimumSize() const override;
    int count() const override;
    QLayoutItem *itemAt(int) const override;
    QLayoutItem *takeAt(int) override;
    void setGeometry(const QRect &rect) override;
    bool hasHeightForWidth() const override;
    int heightForWidth(int width) const override;
 
protected:
    int doLayout(const QRect &rect, bool testOnly) const;
 
private:
    QVector<QLayoutItem*> m_items;
    int m_lastWidth {-1};
 
};
 
 
#endif // KIS_WRAPPABLE_HBOX_LAYOUT_H