knob_with_button.xml

<!DOCTYPE template>
<!--
  Description:
    A standard knob with an additional pushbutton
    (e.g. for adding kill buttons next to a knob).
  Variables:
    control: The control to connect the knob to.
    button_control: The control to connect the pushbutton to.
-->
<Template>
  <WidgetGroup>
    <Layout>vertical</Layout>
    <Children>
      <Template src="skin:knob.xml"/>
      <WidgetGroup>
        <Layout>horizontal</Layout>
        <Children>
          <PushButton>
            <TooltipId><Variable name="button_TooltipId"/></TooltipId>
            <ObjectName>KillButtons</ObjectName>
            <Size>10f,10f</Size>
            <NumberStates>2</NumberStates>
            <State>
              <Number>0</Number>
              <Text></Text>
              <Pressed scalemode="STRETCH_ASPECT">icon/ic_radio_button_off_48px.svg</Pressed>
              <Unpressed scalemode="STRETCH_ASPECT">icon/ic_radio_button_off_48px.svg</Unpressed>
            </State>
            <State>
              <Number>1</Number>
              <Text></Text>
              <Pressed scalemode="STRETCH_ASPECT">icon/ic_radio_button_on_48px.svg</Pressed>
              <Unpressed scalemode="STRETCH_ASPECT">icon/ic_radio_button_on_48px.svg</Unpressed>
            </State>
            <Connection>
              <ConfigKey><Variable name="group"/>,<Variable name="button_control"/></ConfigKey>
              <ButtonState>LeftButton</ButtonState>
            </Connection>
          </PushButton>
          <Label>
            <Size>30f,10f</Size>
            <ObjectName>KnobLabel</ObjectName>
            <Text><Variable name="label"/></Text>
          </Label>
        </Children>
      </WidgetGroup>
    </Children>
  </WidgetGroup>
</Template>