release: 1.3.131

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

diff --git a/lily/include/spanner.hh b/lily/include/spanner.hh
index 44529faaf0fb1c86334120ba09172ee69696a28a..3429e22b0d87bad469599e5cd257989b448b1f53 100644 (file)
--- a/lily/include/spanner.hh
+++ b/lily/include/spanner.hh
@@ -1,15 +1,16 @@
 /*
   spanner.hh -- part of GNU LilyPond
 
-  (c) 1996,97 Han-Wen Nienhuys
+  (c) 1996--2001 Han-Wen Nienhuys
 */
 
 #ifndef SPANNER_HH
 #define SPANNER_HH
 
 #include "lily-proto.hh"
-#include "score-elem.hh"
+#include "grob.hh"
 #include "drul-array.hh"
+#include "rod.hh"
 
 /** A symbol which is attached between two columns. A spanner is a
   symbol which spans across several columns, so its final appearance
@@ -17,13 +18,10 @@
 
   Examples
 
-  \begin{itemize}
-  \item (de)crescendo
-  \item slur
-  \item beam
-  \item bracket
-  \end{itemize}
-  
+  * (de)crescendo
+  * slur
+  * beam
+  * bracket
 
   Spanner should know about the items which it should consider:
   e.g. slurs should be steep enough to "enclose" all those items. This
@@ -31,35 +29,39 @@
   length of stems of notes they encompass.
 
   */
-class Spanner : public virtual Score_elem {
-public:
-  
+class Spanner : public  Grob {
   Drul_array<Item*> spanned_drul_;
-  void set_bounds(Direction d, Item*);
 
-  DECLARE_MY_RUNTIME_TYPEINFO;
-  virtual Spanner* spanner() { return this; }    
-  Spanner();
-  bool broken_b() const;
+public:
+  Link_array<Spanner> broken_into_l_arr_;
+
+  // todo: move to somewhere else.
+  Real get_broken_left_end_align () const;
+  
+  // TODO: make virtual and do this for Items as well.
+  Interval_t<int> spanned_rank_iv ();
+  void set_bound (Direction d, Grob*);
+  Item *get_bound (Direction d) const;
+  
+  Spanner (SCM);
+  Spanner (Spanner const &);
+  bool broken_b () const;
+  void do_break ();
+  Real spanner_length () const;
 
-  Spanner* find_broken_piece (Line_of_score*) const;
+  static int compare (Spanner * const &,Spanner * const &);
+  virtual Grob* find_broken_piece (Line_of_score*) const;
+  virtual SCM do_derived_mark ();
 protected:
-  void set_my_columns();
-  SCORE_ELEM_CLONE(Spanner);
+  void set_my_columns ();
+  VIRTUAL_COPY_CONS(Grob);
+  virtual void do_break_processing ();
+  virtual Line_of_score*line_l () const;
+};
 
-  /**
-    this is virtual; for instance, Line_of_score overrides it.
-    */
-  virtual void break_into_pieces ();
 
-  Link_array<Spanner> broken_into_l_arr_;
+void add_bound_item (Spanner*, Item* n);
+void extend_spanner_over_elements (Grob*  span);
+
 
-  virtual void do_unlink();
-  virtual void do_junk_links();
-  virtual String do_TeX_output_str () const;
-  virtual void do_break_processing();
-  virtual Interval do_width() const;
-  virtual void do_print() const;
-  virtual Line_of_score*line_l() const;
-};
 #endif