template<typename W>
void bind_status_label(twindow& window, const std::string& id, std::function<std::string(W&)>* value_getter = nullptr)
{
    W& source = find_widget<W>(&window, id, false);
    tcontrol& label = find_widget<tlabel>(&window, id + "_label", false);

    const auto update_label = [&]() {
        //const std::string value = value_getter ? value_getter(source) : source.get_value();
        std::string value;

        if(value_getter) {
            value = value_getter(source);
        } else {
            value = std::to_string(source.get_value());
        }

        label.set_label(value);
    };

    source.connect_signal<event::NOTIFY_MODIFIED>(std::bind(update_label));

    update_label();
}


    gui2::bind_status_label<tslider>(window, "players");
    gui2::bind_status_label<tslider>(window, "width");
    gui2::bind_status_label<tslider>(window, "height");
    gui2::bind_status_label<tslider>(window, "villages", [](tslider& s) { return formatter() << s.get_value << _("/1000 tiles"); });
    gui2::bind_status_label<tslider>(window, "castle_size");
    gui2::bind_status_label<tslider>(window, "landform", [](tslider& s) { return landform_label(s); });