# initial position

        # stil need? dispatcher.send("send_to_hw", sub=sub.uri, hwCol=col + 1)

    def getVal(self) -> float:

        return self._val

    def setVal(self, newVal: float) -> None:

        if self.dead:

            return

        try:

            self.scale.set(newVal)

            self.levellabel.config(text=str(newVal))

        except Exception:

            log.warn("disabling handlers on broken subbox")

            self.dead = True

    def cleanup(self):

        self.slider_var.trace_vdelete('w', self._slider_var_trace)

    def slider_changed(self, *args):

        self._val = self.scale.get()

        self.scale.draw_indicator_colors()

            if graph.value(setting, L9['sub']) == self.sub:

                self.pauseTrace = True  # don't bounce this update back to server

                try:

                    self.setVal(graph.value(setting, L9['level']).toPython())

                finally:

                    self.pauseTrace = False

    def updateName(self):

        if self.scale is None:

            return

        def shortUri(u):

            return '.../' + u.split('/')[-1]

        try:

            self.namelabel.config(

                text=self.graph.label(self.sub) or shortUri(self.sub))

    def unhighlight_row(self, row):

        row = self.rows[row]

        row['bg'] = 'black'

    def get_levels(self):

    def get_output_settings(self, _graph=None):

        _graph = _graph or self.graph

        outputSettings = []

        for setting in _graph.objects(self.session, L9['subSetting']):

            effect = _graph.value(setting, L9['sub'])

    def pollMusicTime(self):

        @inlineCallbacks

        def cb(response):

            if response.code != 200:

            position = yield response.json()

            # this is meant to be the time when the server gave me its

            # report, and I don't know if that's closer to the

            # beginning of my request or the end of it (or some