-$bbox->pack_start_defaults($lab);
-$bbox->pack_start_defaults($box);
-$bbox->pack_start_defaults($lay);
-$bbox->pack_start_defaults($bb);
+$bbox->pack_start($lab, 0, 0, 0);
+$bbox->pack_start($box, 0, 0, 0);
+$bbox->pack_start($frame, 1, 1, 0);
+$bbox->pack_start($bb, 0, 0, 0);
+$bbox->pack_start($bar, 0, 0, 0);