RetroShare/retroshare-gui/src/gui/elastic/graphwidget.h
2018-11-13 22:02:26 +01:00

99 lines
3.5 KiB
C++

/*******************************************************************************
* gui/elastic/graphwidget.h *
* *
* Copyright (c) 2012, RetroShare Team <retroshare.project@gmail.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
// This code is inspired from http://doc.qt.io/qt-5/qtwidgets-graphicsview-elasticnodes-graphwidget-h.html
#ifndef GRAPHWIDGET_H
#define GRAPHWIDGET_H
#include <map>
#include <QGraphicsView>
#include <stdint.h>
#include <retroshare/rstypes.h>
class Node;
class Edge;
class GraphWidget : public QGraphicsView
{
Q_OBJECT
public:
GraphWidget(QWidget * = NULL);
typedef int NodeId ;
typedef int EdgeId ;
typedef enum {
ELASTIC_NODE_TYPE_OWN = 0x0000,
ELASTIC_NODE_TYPE_FRIEND = 0x0001,
ELASTIC_NODE_TYPE_F_OF_F = 0x0002,
ELASTIC_NODE_TYPE_UNKNOWN = 0x0003
} NodeType ;
typedef enum {
ELASTIC_NODE_AUTH_FULL = 0x0000,
ELASTIC_NODE_AUTH_MARGINAL = 0x0001,
ELASTIC_NODE_AUTH_UNKNOWN = 0x0002
} AuthType ;
NodeId addNode(const std::string& NodeShortText,const std::string& nodeCompleteText,NodeType type,AuthType auth,const RsPeerId& ssl_id,const RsPgpId& gpg_id) ;
EdgeId addEdge(NodeId n1,NodeId n2) ;
void snapshotNodesPositions() ;
void clearNodesPositions() ;
void clearGraph() ;
void setFreeze(bool freeze);
bool isFrozen() const;
virtual void itemMoved();
void setEdgeLength(uint32_t l) ;
void setNameSearch(QString) ;
uint32_t edgeLength() const { return _edge_length ; }
void forceRedraw() ;
protected:
virtual void keyPressEvent(QKeyEvent *event);
virtual void timerEvent(QTimerEvent *event);
virtual void wheelEvent(QWheelEvent *event);
virtual void resizeEvent(QResizeEvent *event);
//void drawBackground(QPainter *painter, const QRectF &rect);
void scaleView(qreal scaleFactor);
private:
int timerId;
//Node *centerNode;
bool mDeterminedBB ;
bool mIsFrozen;
std::vector<Node *> _nodes ;
std::map<std::pair<NodeId,NodeId>,Edge *> _edges ;
std::map<std::string,QPointF> _node_cached_positions ;
uint32_t _edge_length ;
float _friction_factor ;
NodeId _current_node ;
};
#endif