def __init__(self, dialog, builder): """ Constructor Position arguments: dialog -- The parent GtkDialog widget. builder -- A builder object, which contains a "grid_server_details" object. """ Gtk.Box.__init__(self) self.dialog = dialog self.deferred = None grid = builder.get_object("grid_server_details") self._server_entry = ServerPortEntry() self.add(grid) grid.attach(self._server_entry, 1, 1, 1, 1) self._server_entry.set_activates_default(True)