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/***************************************************************************
* Copyright (c) 2024 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of FreeCAD. *
* *
* FreeCAD is free software: you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 2.1 of the *
* License, or (at your option) any later version. *
* *
* FreeCAD is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with FreeCAD. If not, see *
* <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#ifndef FREECAD_FLOWLAYOUT_H
#define FREECAD_FLOWLAYOUT_H
#include <QLayout>
#include <QList>
#include <QStyle>
namespace StartGui
{
/*!
* \brief The FlowLayout class
* Based on https://forum.qt.io/topic/109408/is-there-a-qt-layout-grid-that-can-dynamically-
* change-row-and-column-counts-to-best-fit-the-space
*/
class FlowLayout: public QLayout
{
Q_OBJECT
public:
explicit FlowLayout(QWidget* parent = nullptr, int margin = -1, int hSpacing = -1, int vSpacing = -1);
~FlowLayout() override;
void addItem(QLayoutItem* item) override;
int count() const override;
QLayoutItem* itemAt(int index) const override;
QLayoutItem* takeAt(int index) override;
Qt::Orientations expandingDirections() const override;
bool hasHeightForWidth() const override;
int heightForWidth(int width) const override;
void setGeometry(const QRect& rect) override;
QSize sizeHint() const override;
QSize minimumSize() const override;
private:
int horizontalSpacing() const;
int verticalSpacing() const;
int smartSpacing(QStyle::PixelMetric pm) const;
int doLayout(const QRect& rect, bool testOnly) const;
private:
QList<QLayoutItem*> itemList;
int hSpace = -1;
int vSpace = -1;
};
} // namespace StartGui
#endif // FREECAD_FLOWLAYOUT_H
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