activeRect

pub fn activeRect(self: *const MenuItemWidget) ?Rect.Natural {
    var act = false;
    if (self.init_opts.submenu) {
        if (menu().?.submenus_activated and (self.data().id == dvui.focusedWidgetIdInCurrentSubwindow())) {
            act = true;
        }
    } else if (self.activated) {
        act = true;
    }

    if (act) {
        return self.data().backgroundRectScale().r.toNatural();
    } else {
        return null;
    }
}