AwesomeWM kbdd layout widget

-- Keyboard layout widget
function kbd ()
    local lts = {[0] = "EN", [1] = "RU"}
    local kbdwidget = widget({type = "textbox", name = "kbdwidget"})
    local maketext = function (idx)
        return "<span font_desc=\"Terminus Bold 10\" color=\"" .. beautiful.bg_normal .. "\">"..lts[idx].."</span>"
    end

    kbdwidget.border_color = beautiful.fg_normal
    kbdwidget.bg = beautiful.fg_normal
    kbdwidget.width = 20
    kbdwidget.align = "center"
    kbdwidget.text = maketext(0)

    dbus.request_name("session", "ru.gentoo.kbdd")
    dbus.add_match("session", "interface='ru.gentoo.kbdd',member='layoutChanged'")
    dbus.add_signal("ru.gentoo.kbdd", function(...)
        local data = {...}
        local layout = data[2]
        kbdwidget.text = maketext(layout)
    end)

    return kbdwidget
end