method for setting whether or not to show velocity bars

libs/canvas/canvas/note.h

@@ -35,6 +35,8 @@ public:
 	void set_velocity (double fract);
 	void set_fill_color (Gtkmm2ext::Color);
 
+	static void set_show_velocity_bars (bool);
+
   private:
 	static bool      _show_velocity_bars;
 	double           _velocity;

libs/canvas/note.cc

@@ -29,6 +29,12 @@ using namespace ArdourCanvas;
 
 bool Note::_show_velocity_bars = true;
 
+void
+Note::set_show_velocity_bars (bool yn)
+{
+	_show_velocity_bars = yn;
+}
+
 Note::Note (Canvas* c)
 	: Rectangle (c)
 	, _velocity (0.0)