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77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the example classes of the Qt Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License version 2.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of
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** this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/
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**
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** In addition, as a special exception, Trolltech gives you certain
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** additional rights. These rights are described in the Trolltech GPL
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** Exception version 1.0, which can be found at
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** http://www.trolltech.com/products/qt/gplexception/ and in the file
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** GPL_EXCEPTION.txt in this package.
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**
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** In addition, as a special exception, Trolltech, as the sole copyright
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** holder for Qt Designer, grants users of the Qt/Eclipse Integration
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** plug-in the right for the Qt/Eclipse Integration to link to
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** functionality provided by Qt Designer and its related libraries.
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**
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** Trolltech reserves all rights not expressly granted herein.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#ifndef GRAPHWIDGET_H
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#define GRAPHWIDGET_H
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#include <QtGui/QGraphicsView>
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#include <string>
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#include <map>
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class Node;
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class Edge;
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class GraphWidget : public QGraphicsView
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{
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Q_OBJECT
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public:
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GraphWidget(QWidget *parent);
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void itemMoved();
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bool clearGraph();
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void addNode(uint32_t type, std::string id, std::string name);
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void addEdge(std::string id1, std::string id2);
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protected:
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void keyPressEvent(QKeyEvent *event);
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void timerEvent(QTimerEvent *event);
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void wheelEvent(QWheelEvent *event);
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void drawBackground(QPainter *painter, const QRectF &rect);
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void scaleView(qreal scaleFactor);
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private:
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int timerId;
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Node *centerNode;
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std::map<std::string, Node *> nodeMap;
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std::list<Edge *> edgeList;
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};
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#endif
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