diff -r 8f9905c4e1c1 -r fd82adfbe905 gui/graph_displayer_canvas.h
--- a/gui/graph_displayer_canvas.h	Mon Nov 21 09:08:16 2005 +0000
+++ b/gui/graph_displayer_canvas.h	Mon Nov 21 12:07:05 2005 +0000
@@ -7,14 +7,36 @@
 
 #include "all_include.h"
 #include "mapstorage.h"
-#include "broken_edge.h"
 #include "map_win.h"
 #include <libgnomecanvasmm.h>
 #include <libgnomecanvasmm/polygon.h>
+#include <lemon/xy.h>
 
 ///This class is the canvas, on which the graph can be drawn.
 class GraphDisplayerCanvas : public Gnome::Canvas::CanvasAA
 {
+  class BrokenEdge : public Gnome::Canvas::Line
+  {
+    GraphDisplayerCanvas & gdc;
+    Gnome::Canvas::Polygon * arrow;
+    Gnome::Art::Point * my_points;
+
+
+    ///Indicates whether the button of mouse is pressed or not
+    bool isbutton;
+
+    ///At this location was the mousebutton pressed.
+    ///It helps to calculate the distance of dragging.
+    double clicked_x, clicked_y;
+
+    ///event handler for forming edges
+    bool edgeFormerEventHandler(GdkEvent*);
+  public:
+    BrokenEdge(Gnome::Canvas::Group &, Gnome::Canvas::Points, GraphDisplayerCanvas &);
+    ~BrokenEdge();
+    void setPoints(Gnome::Canvas::Points, bool move=false);
+    xy<double> getArrowPos();
+  };
   typedef Gnome::Canvas::CanvasAA Parent;
 
 public: