hegyi@1497: // -*- C++ -*- //
hegyi@1497: 
hegyi@1497: #ifndef BROKEN_EDGE_H
hegyi@1497: #define BROKEN_EDGE_H
hegyi@1497: 
hegyi@1501: class BrokenEdge;
hegyi@1501: 
ladanyi@1606: #include "all_include.h"
hegyi@1497: #include <libgnomecanvasmm.h>
hegyi@1497: #include <libgnomecanvasmm/polygon.h>
ladanyi@1606: #include "graph_displayer_canvas.h"
hegyi@1505: #include <lemon/xy.h>
hegyi@1497: 
hegyi@1497: class BrokenEdge : public Gnome::Canvas::Line
hegyi@1497: {
hegyi@1501:   GraphDisplayerCanvas & gdc;
hegyi@1499:   Gnome::Canvas::Polygon * arrow;
hegyi@1499:   Gnome::Art::Point * my_points;
hegyi@1499: 
hegyi@1501: 
hegyi@1499:   ///Indicates whether the button of mouse is pressed or not
hegyi@1499:   bool isbutton;
hegyi@1499: 
hegyi@1499:   ///At this location was the mousebutton pressed.
hegyi@1499:   ///It helps to calculate the distance of dragging.
hegyi@1499:   double clicked_x, clicked_y;
hegyi@1499: 
hegyi@1499:   ///event handler for forming edges
hegyi@1524:   bool edgeFormerEventHandler(GdkEvent*);
hegyi@1497:  public:
hegyi@1501:   BrokenEdge(Gnome::Canvas::Group &, Gnome::Canvas::Points, GraphDisplayerCanvas &);
hegyi@1499:   ~BrokenEdge();
hegyi@1524:   void setPoints(Gnome::Canvas::Points, bool move=false);
hegyi@1524:   xy<double> getArrowPos();
hegyi@1497: };
hegyi@1497: 
hegyi@1497: 
hegyi@1497: #endif //BROKEN_EDGE_H
hegyi@1497: