use classnames for interface naming; remove inclusion of

[lilypond.git] / lily / include / rest-collision.hh

diff --git a/lily/include/rest-collision.hh b/lily/include/rest-collision.hh
index fe76e1b15c8d4c5d8d44d6967eac1e78f42a1a7c..c90883c2e29ba37b44636b6e74752193207998b9 100644 (file)
--- a/lily/include/rest-collision.hh
+++ b/lily/include/rest-collision.hh
@@ -9,6 +9,7 @@
 #ifndef REST_COLLISION_HH
 #define REST_COLLISION_HH
 
+#include "grob-interface.hh"
 #include "lily-proto.hh"
 #include "lily-guile.hh"
 
@@ -17,7 +18,7 @@ class Rest_collision
 public:
   static void add_column (Grob *me, Grob *);
 
-  static bool has_interface (Grob *);
+  DECLARE_GROB_INTERFACE();
   DECLARE_SCHEME_CALLBACK (force_shift_callback, (SCM element));
   DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM element));
   DECLARE_SCHEME_CALLBACK (force_shift_callback_rest, (SCM element, SCM off));