hegyi@17: // -*- C++ -*- //
hegyi@17: 
hegyi@17: #ifndef BROKEN_EDGE_H
hegyi@17: #define BROKEN_EDGE_H
hegyi@17: 
hegyi@21: class BrokenEdge;
hegyi@21: 
hegyi@17: #include <all_include.h>
hegyi@17: #include <libgnomecanvasmm.h>
hegyi@17: #include <libgnomecanvasmm/polygon.h>
hegyi@21: #include <graph_displayer_canvas.h>
hegyi@17: 
hegyi@17: class BrokenEdge : public Gnome::Canvas::Line
hegyi@17: {
hegyi@21:   GraphDisplayerCanvas & gdc;
hegyi@19:   Gnome::Canvas::Polygon * arrow;
hegyi@19:   Gnome::Art::Point * my_points;
hegyi@19: 
hegyi@21: 
hegyi@19:   ///Indicates whether the button of mouse is pressed or not
hegyi@19:   bool isbutton;
hegyi@19: 
hegyi@19:   ///At this location was the mousebutton pressed.
hegyi@19:   ///It helps to calculate the distance of dragging.
hegyi@19:   double clicked_x, clicked_y;
hegyi@19: 
hegyi@19:   ///event handler for forming edges
hegyi@19:   bool edge_former_event_handler(GdkEvent*);
hegyi@17:  public:
hegyi@21:   BrokenEdge(Gnome::Canvas::Group &, Gnome::Canvas::Points, GraphDisplayerCanvas &);
hegyi@19:   ~BrokenEdge();
hegyi@20:   void set_points(Gnome::Canvas::Points, bool move=false);
hegyi@17: };
hegyi@17: 
hegyi@17: 
hegyi@17: #endif //BROKEN_EDGE_H
hegyi@17: