[Summary] Adding the TRACKs specific meter bridge view.

gtk2_ardour/ui/meter_bridge_view.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<CompactMeterbridge bgnormal="#353535">
+  <ScrolledWindow hscroll="never"
+                  vscroll="always"
+                  box.expand="true"
+                  box.fill="true">
+    <EventBox bgnormal="#383838" box.pack="end" width="10">
+      <WavesGrid id="mixer_strips_home" box.fill="true" box.expand="true"/>
+    </EventBox>
+  </ScrolledWindow>
+</CompactMeterbridge>

gtk2_ardour/ui/meter_strip_gain_meter.xml

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<GainSlider meterwidth="5"
+            thinmeterwidth="5">
+  <Adjustment id="gain_adjustment"
+          minvalue="0"
+          maxvalue="1"/>
+  <VBox>
+    <Button id="peak_display_button"
+            width="37" height="13"
+            bgnormal="#B1B1B1"
+            bgactive="#D83838"
+            fgnormal="#000000"
+            fgactive="#000000"
+            bghover="#C47474"
+            bordercolor="#BABABA"
+            borderwidth="1 1 0 0"/>
+    <HBox height="10"/>
+    <HBox spacing="7" width="32">
+      <VBox id="level_meter_home"
+            width="21"
+            height="81"/>
+      <icon source="meter_strip_meter_scale.png"/>
+    </HBox>
+    <HBox height="10"/>
+  </VBox>
+  <EventBox id="gain_display_home"
+            width="57"
+            height="16"
+            noshowall="true"
+            visible="false"
+            ui.orphan="true"/>
+  <Button id="gain_display_button"
+          width="57"
+          height="16"
+          bgnormal="#B1B1B1"
+          bgactive="#D83838"
+          fgnormal="#000000"
+          fgactive="#000000"
+          bghover="#C47474"
+          bordercolor="#C9C9C9"
+          borderwidth="1 1 0 0"
+          ui.orphan="true"/>
+  <Fader id="gain_slider"
+         adjustment="gain_adjustment"
+         facesource="slider_controller_fader.png"
+         activefacesource="slider_controller_active_fader.png"
+         underlaysource="slider_controller_fader_underlay.png"
+         handlesource="slider_controller_fader_handle.png"
+         activehandlesource="slider_controller_fader_handle.png"
+         minposx="10"
+         minposy="196"
+         maxposx="10"
+         maxposy="10"
+         box.padding="2" ui.orphan="true"/>
+</GainSlider>