prevent infinite update loop

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@511 bbaffbd6-741e-11dd-a85d-61de82d9cad9

src/pycam/Gui/Project.py

@@ -414,8 +414,11 @@ class ProjectGui:
             else:
                 self._treeview_set_active_index(table, new_index)
                 # update all controls related the (possibly changed) item
+                if item_list is self.tool_list:
                     self.append_to_queue(self.switch_tool_table_selection)
+                elif item_list is self.process_list:
                     self.append_to_queue(self.switch_process_table_selection)
+                elif item_list is self.task_list:
                     self.append_to_queue(self.switch_tasklist_table_selection)
         # the boundary manager
         self.settings.add_item("current_bounds",