mixer metric background color fix (MIDI & inactive)

fixes http://tracker.ardour.org/view.php?id=5594

1 files changed, 23 insertions, 6 deletions

diff --git a/gtk2_ardour/gain_meter.cc b/gtk2_ardour/gain_meter.cc
index 1148c6b889..f5d4f1afa2 100644
--- a/gtk2_ardour/gain_meter.cc
+++ b/gtk2_ardour/gain_meter.cc
@@ -950,6 +950,8 @@ GainMeter::GainMeter (Session* s, int fader_length)
 	meter_hbox.pack_start (meter_metric_area, false, false);
 }
 
+GainMeter::~GainMeter () { }
+
 void
 GainMeter::set_controls (boost::shared_ptr<Route> r,
 			 boost::shared_ptr<PeakMeter> meter,
@@ -977,6 +979,10 @@ GainMeter::set_controls (boost::shared_ptr<Route> r,
 	}
 
 
+	if (_route) {
+		_route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
+	}
+
 	/*
 	   if we have a non-hidden route (ie. we're not the click or the auditioner),
 	   pack some route-dependent stuff.
@@ -1067,18 +1073,21 @@ GainMeter::meter_configuration_changed (ChanCount c)
 			set_meter_strip_name ("AudioBusMetricsInactive");
 		}
 	}
-	else if (type == (1 << DataType::AUDIO)) {
+	else if (
+			   (type == (1 << DataType::MIDI))
+			|| (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
+			) {
 		if (!_route || _route->active()) {
-			set_meter_strip_name ("AudioTrackMetrics");
+			set_meter_strip_name ("MidiTrackMetrics");
 		} else {
-			set_meter_strip_name ("AudioTrackMetricsInactive");
+			set_meter_strip_name ("MidiTrackMetricsInactive");
 		}
 	}
-	else if (type == (1 << DataType::MIDI)) {
+	else if (type == (1 << DataType::AUDIO)) {
 		if (!_route || _route->active()) {
-			set_meter_strip_name ("MidiTrackMetrics");
+			set_meter_strip_name ("AudioTrackMetrics");
 		} else {
-			set_meter_strip_name ("MidiTrackMetricsInactive");
+			set_meter_strip_name ("AudioTrackMetricsInactive");
 		}
 	} else {
 		if (!_route || _route->active()) {
@@ -1091,6 +1100,14 @@ GainMeter::meter_configuration_changed (ChanCount c)
 }
 
 void
+GainMeter::route_active_changed ()
+{
+	if (_meter) {
+		meter_configuration_changed (_meter->input_streams ());
+	}
+}
+
+void
 GainMeter::meter_type_changed (MeterType t)
 {
 	_route->set_meter_type(t);