+ boost::shared_ptr<Region> r = (*iter)[region_list_columns.region];
+
+ /* they could have clicked on a row that is just a placeholder, like "Hidden" */
+
+ if (r) {
+
+ /* just set the first selected region (in fact, the selection model might be SINGLE, which
+ means there can only be one.
+ */
+
+ set_selected_regionview_from_region_list (r, Selection::Set);
+ }