+static void
+set_old_and_new_button_sensitivity (GtkTreeSelection *sel, PsppireDialogActionRecode *rd)
+{
+ GtkTreeModel *model = NULL;
+
+ GList *rows = gtk_tree_selection_get_selected_rows (sel, &model);
+
+ gtk_widget_set_sensitive (rd->old_and_new, rows != NULL);
+}
+