diff -r 9128e364fb19 -r e4ee805ca5fc graph_displayer_canvas.cc
--- a/graph_displayer_canvas.cc	Fri Jul 29 12:30:28 2005 +0000
+++ b/graph_displayer_canvas.cc	Sun Aug 07 14:17:11 2005 +0000
@@ -2,12 +2,14 @@
 #include "broken_edge.h"
 #include <math.h>
 
-GraphDisplayerCanvas::GraphDisplayerCanvas(MapStorage & ms, MapWin & mw) :
+GraphDisplayerCanvas::GraphDisplayerCanvas(MapStorage & ms, MapWin & mw, Gtk::Window * mainwin) :
   nodesmap(ms.graph), edgesmap(ms.graph), edgetextmap(ms.graph),
   nodetextmap(ms.graph), displayed_graph(*(root()), 0, 0),
   canvasentrywidget(NULL), mapstorage(ms), isbutton(0), active_item(NULL),
   target_item(NULL), nodemap_to_edit(""), edgemap_to_edit(""), mapwin(mw)
 {
+  parentwin=mainwin;
+
   //base event handler is move tool
   actual_handler=signal_event().connect(sigc::mem_fun(*this, &GraphDisplayerCanvas::moveEventHandler), false);
   actual_tool=MOVE;