X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Flistener.hh;h=fd7a7e2adfa3db21399a025581248ffc1fd74d9a;hb=9f3572d98bb948c9689cd1f75401a029451fa001;hp=562380c5764e6967790431fc9dac8f4c8c1bea50;hpb=04265f11d1f21416ccebd2dcaa1d903dc781b36e;p=lilypond.git

diff --git a/lily/include/listener.hh b/lily/include/listener.hh
index 562380c576..fd7a7e2adf 100644
--- a/lily/include/listener.hh
+++ b/lily/include/listener.hh
@@ -63,8 +63,6 @@ class Listener {
 public:
   Listener (const void *target, Listener_function_table *type);
   Listener (Listener const &other);
-  Listener ();
-
   void listen (SCM ev) const;
 
   bool operator == (Listener const &other) const
@@ -74,29 +72,29 @@ public:
 };
 DECLARE_UNSMOB (Listener, listener);
 
-#define IMPLEMENT_LISTENER(cl, method)			\
-void							\
-cl :: method ## _callback (void *self, SCM ev)		\
-{							\
-  cl *s = (cl *)self;					\
-  s->method (ev);					\
-}							\
-void							\
-cl :: method ## _mark (void *self)			\
-{							\
-  cl *s = (cl *)self;					\
-  scm_gc_mark (s->self_scm ());				\
-}							\
-Listener						\
-cl :: method ## _listener () const			\
-{							\
-  static Listener_function_table callbacks;		\
-  callbacks.listen_callback = &cl::method ## _callback;	\
-  callbacks.mark_callback = &cl::method ## _mark;	\
-  return Listener (this, &callbacks);			\
+#define IMPLEMENT_LISTENER(cl, method)			        \
+void								\
+cl :: method ## _callback (void *self, SCM ev)	                \
+{								\
+  cl *s = (cl *)self;						\
+  s->method (ev);					        \
+}								\
+void								\
+cl :: method ## _mark (void *self) 				\
+{								\
+  cl *s = (cl *)self;						\
+  scm_gc_mark (s->self_scm ());					\
+}								\
+Listener							\
+cl :: method ## _listener () const				\
+{								\
+  static Listener_function_table callbacks;			\
+  callbacks.listen_callback = &cl::method ## _callback;		\
+  callbacks.mark_callback = &cl::method ## _mark;		\
+  return Listener (this, &callbacks);				\
 }
 
-#define GET_LISTENER(proc) proc ## _listener ()
+#define GET_LISTENER(proc) ( proc ## _listener ())
 
 #define DECLARE_LISTENER(name)				\
   inline void name (SCM);		       	        \