Doc-es: various updates.

[lilypond.git] / lily / include / grob.hh

diff --git a/lily/include/grob.hh b/lily/include/grob.hh
index 8b2c4249ea8d91ce8781f44e46538b55308e5cb1..5da4dff74ec6107c242754e6c60b2eddefa90848 100644 (file)
--- a/lily/include/grob.hh
+++ b/lily/include/grob.hh
@@ -32,7 +32,7 @@ class Grob : public Smob<Grob>
 public:
   int print_smob (SCM, scm_print_state *) const;
   SCM mark_smob () const;
-  static const char type_p_name_[];
+  static const char * const type_p_name_;
   virtual ~Grob ();
 private:
   DECLARE_CLASSNAME (Grob);
@@ -137,11 +137,11 @@ public:
 
   /* interfaces */
   bool internal_has_interface (SCM intf);
-  DECLARE_GROB_INTERFACE ();
 
   /* offsets */
   void translate_axis (Real, Axis);
   Real relative_coordinate (Grob const *refp, Axis) const;
+  Real parent_relative (Grob const *refp, Axis) const;
   Real pure_relative_y_coordinate (Grob const *refp, int start, int end);
   Real maybe_pure_coordinate (Grob const *refp, Axis a, bool pure, int start, int end);
 
@@ -175,6 +175,12 @@ public:
   static SCM internal_skylines_from_element_stencils (SCM, Axis);
 };
 
+template <class T>
+inline bool has_interface(Grob *g)
+{
+  return g && g->internal_has_interface (Grob_interface<T>::interface_symbol_);
+}
+
 /* unification */
 void uniquify (vector <Grob *> &);