gtk/src/edge.hpp

   1 #ifndef __EDGE_HPP__
   2 #define __EDGE_HPP__
   3
   4 #include <cairomm/context.h>
   5
   6 #include "drawable.hpp"
   7 #include "vertex.hpp"
   8
   9 class Edge : public Drawable<Edge *>
  10 {
  11 public:
  12         Edge(Vertex &source, Vertex &target);
  13         virtual ~Edge(void);
  14         virtual void draw(Cairo::RefPtr<Cairo::Context> cr);
  15         virtual bool select(Cairo::RefPtr<Cairo::Context> cr, gdouble x, gdouble y);
  16         virtual void deselect(void);
  17         void change_source(Vertex &source);
  18         void change_target(Vertex &target);
  19         void change_source_follow_mouse(void);
  20         void change_target_follow_mouse(void);
  21 private:
  22         bool _is_in_region(Cairo::RefPtr<Cairo::Context> cr, gdouble x, gdouble y) const;
  23         Vertex *_source;
  24         Vertex *_target;
  25 };
  26
  27 #endif