X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Flevel_meter.h;h=b6aec1dd78ea9204a3d7aa6aff0ce6563caf7e84;hb=5fef65538040fbac1b9edd1847a269aa925a49c9;hp=abb5e327edf1d38e3bd641991adb87a2ba15b3c2;hpb=94f64aeea6359651be3f59245042f9b5ac9f1cda;p=ardour.git

diff --git a/gtk2_ardour/level_meter.h b/gtk2_ardour/level_meter.h
index abb5e327ed..b6aec1dd78 100644
--- a/gtk2_ardour/level_meter.h
+++ b/gtk2_ardour/level_meter.h
@@ -49,7 +49,7 @@ namespace Gtk {
 	class Menu;
 }
 
-class LevelMeterBase : public ARDOUR::SessionHandlePtr
+class LevelMeterBase : public ARDOUR::SessionHandlePtr, virtual public sigc::trackable
 {
   public:
 	LevelMeterBase (ARDOUR::Session*, PBD::EventLoop::InvalidationRecord* ir,
@@ -71,6 +71,7 @@ class LevelMeterBase : public ARDOUR::SessionHandlePtr
 
 	/** Emitted in the GUI thread when a button is pressed over the meter */
 	PBD::Signal1<bool, GdkEventButton *> ButtonPress;
+	PBD::Signal1<bool, GdkEventButton *> ButtonRelease;
 	PBD::Signal1<void, ARDOUR::MeterType> MeterTypeChanged;
 
 	protected: