extended_tree_widget.h

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/*********************************************************************
 *
 *  Software License Agreement
 *
 *  Copyright (c) 2020,
 *  TU Dortmund - Institute of Control Theory and Systems Engineering.
 *  All rights reserved.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
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 *  This program 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 General Public License for more details.
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 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 *  Authors: Christoph Rösmann
 *********************************************************************/
 
#ifndef SRC_GUI_INCLUDE_CORBO_GUI_EXTENDED_TREE_WIDGET_H_
#define SRC_GUI_INCLUDE_CORBO_GUI_EXTENDED_TREE_WIDGET_H_
 
#include <QTreeWidget>
 
namespace corbo {
namespace gui {
 
// the common tree widget does not support deselection of items when clicking somewhere else in the widget
// Hence, we add this functionality:
class ExtendedTreeWidget : public QTreeWidget
{
    Q_OBJECT
 
 public:
    explicit ExtendedTreeWidget(QWidget* parent = nullptr);
    virtual ~ExtendedTreeWidget() {}
 
    QSize sizeHint() const override;
 
 public slots:
    void updateSizeHint() { updateGeometry(); }
 
 protected:
    int recursiveHeightHint(QTreeWidgetItem* item) const;
 
 private:
    void mousePressEvent(QMouseEvent* event) override;
};
 
}  // namespace gui
}  // namespace corbo
 
#endif  // SRC_GUI_INCLUDE_CORBO_GUI_EXTENDED_TREE_WIDGET_H_