bool is_in_dialog()
{
    // No windows at all,
    if(open_window_stack.empty()) {
        //std::cerr << "OWS empty" << std::endl;
        return false;
    }

    window* w = open_window_stack.back();
    assert(w);

    if(w->mode() == window::modal) {
        std::cerr << "window modal" << std::endl;
        return true;
    }

    return w->get_distributor().keyboard_focus() != nullptr;
}