don't display internal returns to user

git-svn-id: svn://localhost/ardour2/branches/3.0@8113 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/ardour/ardour/internal_return.h

@@ -32,9 +32,7 @@ class InternalReturn : public Return
   public:
 	InternalReturn (Session&);
 
-	bool visible() const;
-
-	XMLNode& state(bool full);
+XMLNode& state(bool full);
 	XMLNode& get_state(void);
 	int set_state(const XMLNode&, int version);
 

libs/ardour/internal_return.cc

@@ -34,6 +34,7 @@ InternalReturn::InternalReturn (Session& s)
 	, user_count (0)
 {
 	CycleStart.connect_same_thread (*this, boost::bind (&InternalReturn::cycle_start, this, _1));
+        _display_to_user = false;
 }
 
 void
@@ -137,8 +138,3 @@ InternalReturn::can_support_io_configuration (const ChanCount& in, ChanCount& ou
 	return true;
 }
 
-bool
-InternalReturn::visible () const
-{
-	return false;
-}

libs/pbd/pbd/stateful.h

@@ -64,7 +64,7 @@ class Stateful {
 	XMLNode *extra_xml (const std::string& str);
 
 	const PBD::ID& id() const { return _id; }
-
+        
         /* history management */
 
 	void clear_changes ();