2003 -> 2004

[lilypond.git] / lily / include / staff-symbol-referencer.hh

diff --git a/lily/include/staff-symbol-referencer.hh b/lily/include/staff-symbol-referencer.hh
index 8203954c63aad1c53ece0ab1650228e141393d46..b944ae93f7cbe496ac43415aa10d02aaea9c083b 100644 (file)
--- a/lily/include/staff-symbol-referencer.hh
+++ b/lily/include/staff-symbol-referencer.hh
@@ -1,35 +1,47 @@
-/*   
-  staff-sym-referencer.hh -- declare Staff_sym_referencer
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
+/* 
+ staff-sym-referencer.hh -- declare staff_symbol_referencer
+ 
+ source file of the GNU LilyPond music typesetter
+ 
+  (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ 
  */
 
-#ifndef STAFF_SYM_REFERENCER_HH
-#define STAFF_SYM_REFERENCER_HH
+#ifndef STAFF_SYMBOL_REFERENCER_HH
+#define STAFF_SYMBOL_REFERENCER_HH
+
+#include "grob.hh"
 
-#include "score-element.hh"
 
 /**
-   A notation object that needs access to variables of the staff (no
-   lines, leading).
-   
+ A notation object that needs access to variables of the staff (no
+ lines, leading).
+ 
  */
-class Staff_symbol_referencer : public virtual Score_element
+class Staff_symbol_referencer 
 {
-protected:
-  Staff_symbol * staff_sym_l_;
-
 public:
-  Staff_symbol_referencer ();
-  void set_staff_symbol (Staff_symbol*);
-  Real staff_line_leading_f () const;
-  Staff_symbol * staff_symbol_l () const;
-  int lines_i () const;
-  virtual void do_substitute_element_pointer (Score_element*,Score_element*);
+  
+  static bool has_interface (Grob*);
+  static bool ugly_hack (Grob*);  
+  static void set_position (Grob*,Real);
+  DECLARE_SCHEME_CALLBACK (callback, (SCM element, SCM axis));
+
+  /**
+     Leading are the lead strips between the sticks (lines) of
+     typeface. ie. leading is vertical space.
+  */
+ 
+  static Real line_thickness (Grob*);
+  static Real staff_space (Grob*);
+  static Grob * get_staff_symbol (Grob*);
+  static bool on_staffline (Grob*);
+  static bool on_staffline (Grob*,int);
+  static int line_count (Grob*);
+  static Real get_position (Grob*);
+  static Real staff_radius (Grob*);
 };
 
-#endif /* STAFF_SYM_REFERENCER_HH */
+int compare_position (Grob *const&,Grob *const&); 
+#endif /* STAFF_SYMBOL_REFERENCER_HH */