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98 lines
3.5 KiB
C++
98 lines
3.5 KiB
C++
/*******************************************************************************
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* gui/elastic/graphwidget.h *
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* *
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* Copyright (c) 2012, RetroShare Team <retroshare.project@gmail.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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// This code is inspired from http://doc.qt.io/qt-5/qtwidgets-graphicsview-elasticnodes-graphwidget-h.html
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#ifndef GRAPHWIDGET_H
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#define GRAPHWIDGET_H
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#include <map>
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#include <QGraphicsView>
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#include <stdint.h>
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#include <retroshare/rstypes.h>
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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 * = NULL);
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typedef int NodeId ;
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typedef int EdgeId ;
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typedef enum {
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ELASTIC_NODE_TYPE_OWN = 0x0000,
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ELASTIC_NODE_TYPE_FRIEND = 0x0001,
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ELASTIC_NODE_TYPE_F_OF_F = 0x0002,
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ELASTIC_NODE_TYPE_UNKNOWN = 0x0003
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} NodeType ;
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typedef enum {
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ELASTIC_NODE_AUTH_FULL = 0x0000,
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ELASTIC_NODE_AUTH_MARGINAL = 0x0001,
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ELASTIC_NODE_AUTH_UNKNOWN = 0x0002
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} AuthType ;
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NodeId addNode(const std::string& NodeShortText,const std::string& nodeCompleteText,NodeType type,AuthType auth,const RsPeerId& ssl_id,const RsPgpId& gpg_id) ;
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EdgeId addEdge(NodeId n1,NodeId n2) ;
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void snapshotNodesPositions() ;
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void clearNodesPositions() ;
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void clearGraph() ;
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void setFreeze(bool freeze);
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bool isFrozen() const;
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virtual void itemMoved();
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void setEdgeLength(uint32_t l) ;
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void setNameSearch(QString) ;
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uint32_t edgeLength() const { return _edge_length ; }
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void forceRedraw() ;
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protected:
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virtual void keyPressEvent(QKeyEvent *event);
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virtual void timerEvent(QTimerEvent *event);
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virtual void wheelEvent(QWheelEvent *event);
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virtual void resizeEvent(QResizeEvent *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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bool mDeterminedBB ;
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bool mIsFrozen;
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std::vector<Node *> _nodes ;
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std::map<std::pair<NodeId,NodeId>,Edge *> _edges ;
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std::map<std::string,QPointF> _node_cached_positions ;
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uint32_t _edge_length ;
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float _friction_factor ;
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NodeId _current_node ;
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};
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#endif
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