void PopupMenu::_activate_submenu(int over) { Node *n = get_node(items[over].submenu); ERR_EXPLAIN("item subnode does not exist: " + items[over].submenu); ERR_FAIL_COND(!n); Popup *pm = n->cast_to<Popup>(); ERR_EXPLAIN("item subnode is not a Popup: " + items[over].submenu); ERR_FAIL_COND(!pm); if (pm->is_visible_in_tree()) return; //already visible! Point2 p = get_global_position(); Rect2 pr(p, get_size()); Ref<StyleBox> style = get_stylebox("panel"); Point2 pos = p + Point2(get_size().width, items[over]._ofs_cache - style->get_offset().y); Size2 size = pm->get_size(); // fix pos if (pos.x + size.width > get_viewport_rect().size.width) pos.x = p.x - size.width; pm->set_position(pos); pm->popup(); PopupMenu *pum = pm->cast_to<PopupMenu>(); if (pum) { pr.position -= pum->get_global_position(); pum->clear_autohide_areas(); pum->add_autohide_area(Rect2(pr.position.x, pr.position.y, pr.size.x, items[over]._ofs_cache)); if (over < items.size() - 1) { int from = items[over + 1]._ofs_cache; pum->add_autohide_area(Rect2(pr.position.x, pr.position.y + from, pr.size.x, pr.size.y - from)); } } }