use volume controller widget for monitor section, drop some now-unused code

[ardour.git] / libs / gtkmm2ext / gtkmm2ext / binding_proxy.h

diff --git a/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h b/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h
index 348f9f26499c59eb405f85bc0e65b7a4fbea17d4..69d1ebdaad41c254b24f64f9ed841977c92d66ed 100644 (file)
--- a/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h
+++ b/libs/gtkmm2ext/gtkmm2ext/binding_proxy.h
@@ -42,7 +42,7 @@ class BindingProxy : public sigc::trackable
 
        bool button_press_handler (GdkEventButton *);
 
-       boost::shared_ptr<PBD::Controllable> get_controllable() { return controllable; }
+       boost::shared_ptr<PBD::Controllable> get_controllable() const { return controllable; }
        void set_controllable (boost::shared_ptr<PBD::Controllable>);
 
   protected: