chainFocused

pub fn chainFocused(self: *FloatingMenuWidget, self_call: bool) bool {
    if (!self_call) {
        // if we got called by someone else, then we have a popup child
        self.have_popup_child = true;
    }

    var ret: bool = false;

    // we have to call chainFocused on our parent if we have one so we
    // can't return early

    if (self.data().id == dvui.focusedSubwindowId()) {
        // we are focused
        ret = true;
    }

    if (self.parent_fmw) |pp| {
        // we had a parent popup, is that focused
        if (pp.chainFocused(false)) {
            ret = true;
        }
    } else if (self.prev_windowInfo.id == dvui.focusedSubwindowId()) {
        // no parent popup, is our parent window focused
        ret = true;
    }

    return ret;
}