# HG changeset patch
# User ladanyi
# Date 1138895085 0
# Node ID 2f1a7365839c343370f77b368f8ed3b227eb4fbe
# Parent  3a4b6b31afb37acf8065adf1514fadb42b7ba4ad
Fix crash when an arrow is clicked with the delete tool.

diff -r 3a4b6b31afb3 -r 2f1a7365839c graph_displayer_canvas-event.cc
--- a/graph_displayer_canvas-event.cc	Thu Feb 02 08:49:41 2006 +0000
+++ b/graph_displayer_canvas-event.cc	Thu Feb 02 15:44:45 2006 +0000
@@ -554,6 +554,9 @@
 	    }
 	}
 
+      // return if the clicked object is neither an edge nor a node
+      if (active_edge == INVALID) return false;
+      
       //recolor activated item
       if(active_item)
 	{
@@ -596,7 +599,7 @@
 		  deleteItem(active_node);
 		}
 	      //a simple edge was chosen
-	      else
+	      else if (active_edge != INVALID)
 		{
 		  deleteItem(active_edge);
 		}
@@ -608,7 +611,7 @@
 		{
 		  *active_item << Gnome::Canvas::Properties::fill_color("blue");
 		}
-	      else
+	      else if (active_edge != INVALID)
 		{
 		  *active_item << Gnome::Canvas::Properties::fill_color("green");
 		}