much ado about nothing when it comes to gain control

git-svn-id: svn://localhost/ardour2/branches/3.0@9748 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 5 insertions, 3 deletions

diff --git a/gtk2_ardour/volume_controller.h b/gtk2_ardour/volume_controller.h
index 8693f5f0da..28877b7987 100644
--- a/gtk2_ardour/volume_controller.h
+++ b/gtk2_ardour/volume_controller.h
@@ -35,8 +35,7 @@ class VolumeController : public Gtkmm2ext::MotionFeedback
 			  bool with_numeric = true,
                           int image_width = 40,
                           int image_height = 40,
-			  bool linear = true,
-			  bool dB = false);
+			  bool linear = true);
 
         virtual ~VolumeController () {}
 
@@ -45,10 +44,13 @@ class VolumeController : public Gtkmm2ext::MotionFeedback
   protected:
 	double to_control_value (double);
 	double to_display_value (double);
+	double adjust (double nominal_delta);
+
+	double display_value () const;
+	double control_value () const;
 
   private:
 	bool _linear;
-	bool _controllable_uses_dB;
 
 	void dB_printer (char buf[32], const boost::shared_ptr<PBD::Controllable>& adj);
 };