+ _window->move (rx, ry + _target->get_height() + _margin_y);
+ } else {
+ if (_align_to_center) {
+ _window->move (rx + (_target->get_width () - _window->get_width ()) / 2, ry + _target->get_height());
+ } else {
+ _window->move (rx, ry + _target->get_height());
+ }