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QGVNode.h
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1/***************************************************************
2QGVCore
3Copyright (c) 2014, Bergont Nicolas, All rights reserved.
4
5This library is free software; you can redistribute it and/or
6modify it under the terms of the GNU Lesser General Public
7License as published by the Free Software Foundation; either
8version 3.0 of the License, or (at your option) any later version.
9
10This library is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13Lesser General Public License for more details.
14
15You should have received a copy of the GNU Lesser General Public
16License along with this library.
17***************************************************************/
18#ifndef QGVNODE_H
19#define QGVNODE_H
20
21#include <QGraphicsItem>
22#include <QPen>
23
24#include "qgv.h"
25
26class QGVEdge;
27class QGVScene;
28class QGVNodePrivate;
29
34class QGVCORE_EXPORT QGVNode : public QGraphicsItem {
35 public:
36 ~QGVNode();
37
38 QString label() const;
39 void setLabel(const QString &label);
40
41 QRectF boundingRect() const;
42 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
43 QWidget *widget = 0);
44 void setAttribute(const QString &label, const QString &value);
45 QString getAttribute(const QString &name) const;
46
47 QString posToAttributeString() const;
48
49 void setIcon(const QImage &icon);
50
51 enum { Type = UserType + 2 };
52 int type() const { return Type; }
53
54 void updateLayout();
55
56 protected:
57 QVariant itemChange(GraphicsItemChange change, const QVariant &value);
58
59 private:
60 friend class QGVScene;
61 friend class QGVSubGraph;
62 QGVNode(QGVNodePrivate *node, QGVScene *scene);
63
64 // Not implemented in QGVNode.cpp
65 // QPainterPath makeShape(Agnode_t* node) const;
66 // QPolygonF makeShapeHelper(Agnode_t* node) const;
67
68 QPainterPath _path;
69 QPen _pen;
70 QBrush _brush;
71 QImage _icon;
72
73 QGVScene *_scene;
74 QGVNodePrivate *_node;
75};
76
77#endif // QGVNODE_H
Edge item.
Definition: QGVEdge.h:34
Definition: QGVNodePrivate.h:6
Node item.
Definition: QGVNode.h:34
int type() const
Definition: QGVNode.h:52
GraphViz interactive scene.
Definition: QGVScene.h:36
SubGraph item.
Definition: QGVSubGraph.h:35
#define QGVCORE_EXPORT
Definition: qgv.h:9