QGVSubGraph.h
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1 /***************************************************************
2 QGVCore
3 Copyright (c) 2014, Bergont Nicolas, All rights reserved.
4 
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 3.0 of the License, or (at your option) any later version.
9 
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14 
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library.
17 ***************************************************************/
18 #ifndef QGVSUBGRAPH_H
19 #define QGVSUBGRAPH_H
20 
21 #include <QGraphicsItem>
22 #include <QPen>
23 
24 #include "qgv.h"
25 
26 class QGVNode;
27 class QGVEdge;
28 class QGVScene;
29 class QGVGraphPrivate;
30 
35 class QGVCORE_EXPORT QGVSubGraph : public QGraphicsItem {
36  public:
37  ~QGVSubGraph();
38 
39  QString name() const;
40 
41  QGVNode *addNode(const QString &label);
42  QGVSubGraph *addSubGraph(const QString &name, bool cluster = true);
43 
44  QRectF boundingRect() const;
45  void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
46  QWidget *widget = 0);
47  void setAttribute(const QString &name, const QString &value);
48  QString getAttribute(const QString &name) const;
49  void updateLayout();
50 
51  enum { Type = UserType + 4 };
52  int type() const { return Type; }
53 
54  private:
55  friend class QGVScene;
56  QGVSubGraph(QGVGraphPrivate *subGraph, QGVScene *scene);
57 
58  double _height, _width;
59  QPen _pen;
60  QBrush _brush;
61 
62  QString _label;
63  QRectF _label_rect;
64 
65  QGVScene *_scene;
66  QGVGraphPrivate *_sgraph;
67  QList<QGVNode *> _nodes;
68 };
69 
70 #endif // QGVSUBGRAPH_H
friend class QGVSubGraph
Definition: QGVScene.h:90
Node item.
Definition: QGVNode.h:34
Definition: QGVGraphPrivate.h:6
Edge item.
Definition: QGVEdge.h:34
SubGraph item.
Definition: QGVSubGraph.h:35
int type() const
Definition: QGVSubGraph.h:52
GraphViz interactive scene.
Definition: QGVScene.h:36
#define QGVCORE_EXPORT
Definition: qgv.h:9