diff options
Diffstat (limited to 'gtk2_ardour/mixer_ui.h')
-rw-r--r-- | gtk2_ardour/mixer_ui.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gtk2_ardour/mixer_ui.h b/gtk2_ardour/mixer_ui.h index 2946d0ae59..8a293f7f9f 100644 --- a/gtk2_ardour/mixer_ui.h +++ b/gtk2_ardour/mixer_ui.h @@ -40,6 +40,8 @@ #include "ardour/types.h" #include "ardour/session_handle.h" +#include "gtkmm2ext/visibility_tracker.h" + #include "enums.h" #include "mixer_actor.h" @@ -53,7 +55,7 @@ class PluginSelector; class MixerGroupTabs; class MonitorSection; -class Mixer_UI : public Gtk::Window, public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr, public MixerActor +class Mixer_UI : public Gtk::Window, public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr, public MixerActor, public Gtkmm2ext::VisibilityTracker { public: static Mixer_UI* instance(); |