mainwin = wtree.get_object("MainWindow")

        mainwin.connect("destroy", self.onQuit)

        wtree.connect_signals(self)

        gtk.rc_parse("theme/marble-ice/gtk-2.0/gtkrc")

        gtk.rc_parse_string("""style "default" {font_name = "sans 7"}""")

        if self.opts.reload:

            self.refreshTheme()

        mainwin.show_all()

        mainwin.connect("delete-event", lambda *args: reactor.crash())

        mainwin.set_title("curvecalc - %s" % graph.label(song))

        # this is the only one i found that would set the size right,

        # but it's a minimum size, which i don't really want

        mainwin.set_size_request(1678, 922)

        wtree.get_object("subterms").connect("add", self.onSubtermChildAdded)

        self.add_subterms_for_song(song, curveset, subterms)

        self.refreshCurveView()       

        self.makeStatusLines(wtree.get_object("status"))

        def connect(w):

class UsbDMX(BaseIO):

    def __init__(self, dimmers=72):

        BaseIO.__init__(self)

        self.__name__ = "UsbDMX"

        self.out = None

        self.dimmers = dimmers

    def _dmx(self):

        if self.out is None:

            sys.path.append("dmx_usb_module")

            from dmx import Dmx

        return self.out

    def sendlevels(self, levels):

        if self.dummy:

            return

        # I was outputting on 76 and it was turning on the light at

        # dmx75. So I added the 0 byte.

        packet = '\x00' + ''.join([chr(int(lev * 255 / 100)) 

                                  for lev in levels]) + "\x55"

        self._dmx().write(packet)