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