pxmlw6n2f/Gazebo_Distributed_MPI/gazebo/gui/qgv/QGVSubGraph.h

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2019-04-18 10:27:54 +08:00
/***************************************************************
QGVCore
Copyright (c) 2014, Bergont Nicolas, All rights reserved.
This library 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 3.0 of the License, or (at your option) any later version.
This library 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 this library.
***************************************************************/
#ifndef QGVSUBGRAPH_H
#define QGVSUBGRAPH_H
#include <qgv.h>
#include <QGraphicsItem>
#include <QPen>
class QGVNode;
class QGVEdge;
class QGVScene;
class QGVGraphPrivate;
/**
* @brief SubGraph item
*
*/
class QGVCORE_EXPORT QGVSubGraph : public QGraphicsItem
{
public:
~QGVSubGraph();
QString name() const;
QGVNode* addNode(const QString& label);
QGVSubGraph* addSubGraph(const QString& name, bool cluster = true);
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
void setAttribute(const QString &name, const QString &value);
QString getAttribute(const QString &name) const;
void updateLayout();
enum { Type = UserType + 4 };
int type() const
{
return Type;
}
private:
friend class QGVScene;
QGVSubGraph(QGVGraphPrivate* subGraph, QGVScene *scene);
double _height, _width;
QPen _pen;
QBrush _brush;
QString _label;
QRectF _label_rect;
QGVScene *_scene;
QGVGraphPrivate *_sgraph;
QList<QGVNode*> _nodes;
};
#endif