def on_connect_button_toggled(self, widget):
if widget.get_active():
self.tnc = TncModel(self, self.device_path)
self.tnc.connect()
elif self.tnc is not None: # Possible race condition here...
self.tnc.disconnect()
self.tnc = None
def on_serial_port_combobox_changed(self, widget, data=None):
text = widget.get_active_text()
if text != None:
self.tnc = TncModel(self, text)
