add_subwindow(point_up = new TracerPointUp(this, x1, y));
y += point_x->get_h() + margin;
add_subwindow(title_y = new BC_Title(x, y, _("Y:")));
x1 = x + title_y->get_w() + margin;
point_y = new TracerPointY(this, x1, y, !pt ? 0 : pt->y);
point_y->create_objects();
add_subwindow(point_up = new TracerPointUp(this, x1, y));
y += point_x->get_h() + margin;
add_subwindow(title_y = new BC_Title(x, y, _("Y:")));
x1 = x + title_y->get_w() + margin;
point_y = new TracerPointY(this, x1, y, !pt ? 0 : pt->y);
point_y->create_objects();