patch::: 1.3.151.jcn3

[lilypond.git] / lily / include / span-bar.hh

diff --git a/lily/include/span-bar.hh b/lily/include/span-bar.hh
index 644d9de0b4a6fbcaba3cb75e841d993b57959d75..f59f075a607f877b351bdd6a6ddfccaaf3134954 100644 (file)
--- a/lily/include/span-bar.hh
+++ b/lily/include/span-bar.hh
@@ -3,33 +3,35 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
 #ifndef SPAN_BAR_HH
 #define SPAN_BAR_HH
 
-#include "bar.hh"
+#include "lily-guile.hh"
+#include "lily-proto.hh"
 
-class Span_bar : public Bar
+/**
+   This is a barline that is spanned across other bar lines.  This is
+   the implementation of the long barlines that occur in orchestral
+   score and other multi-staff music.
+*/
+class Span_bar
 {
-    Link_array<Bar> spanning_l_arr_;
-
 public:
-    Span_bar();
-    DECLARE_MY_RUNTIME_TYPEINFO;
-    SCORE_ELEM_CLONE(Span_bar);
-    void add (Bar*);
-    void set (Vertical_align_element *);
-
-protected:
-    virtual Interval do_width()const;
-    virtual void do_pre_processing();
-    
-    virtual void do_substitute_dependency (Score_elem*,Score_elem*);
-    virtual Molecule * brew_molecule_p()const;
-    virtual Symbol get_bar_sym (Real dy) const;
+  static void set_interface (Grob*);
+  static bool has_interface (Grob*);  
+  static Interval get_spanned_interval (Grob*);
+  static void add_bar (Grob*,Grob*);
+  static void evaluate_glyph (Grob*);
+  static void evaluate_empty (Grob*);
+  DECLARE_SCHEME_CALLBACK (width_callback, (SCM smob, SCM axis));
+  DECLARE_SCHEME_CALLBACK (get_bar_size, (SCM ));
+  DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM ));
+  DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM ));
+  DECLARE_SCHEME_CALLBACK (center_on_spanned_callback, (SCM element, SCM axis));
 };
 
 #endif // SPAN_BAR_HH