int x1 = lx + lw + 15;
add_filter->reposition_window(x1, add_filter->get_y());
del_filter->reposition_window(x1, del_filter->get_y());
int x1 = lx + lw + 15;
add_filter->reposition_window(x1, add_filter->get_y());
del_filter->reposition_window(x1, del_filter->get_y());