release: 1.0.1

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

diff --git a/lily/include/item.hh b/lily/include/item.hh
index e465931074c1f035117ef801161023e504e3cb07..32010298298543c90cc93fc90593b9332cd673f5 100644 (file)
--- a/lily/include/item.hh
+++ b/lily/include/item.hh
@@ -3,15 +3,16 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 #ifndef ITEM_HH
 #define ITEM_HH
 
 
-#include "boxes.hh"
+#include "box.hh"
 #include "string.hh"
-#include "score-elem.hh"
+#include "score-element.hh"
+#include "drul-array.hh"
 
 /**
   A horizontally fixed size element of the score.
@@ -23,33 +24,40 @@
   spacing calculation. 
   
 */
-class Item : public virtual Score_elem {
+class Item : public virtual Score_element {
 public:
-    /// indirection to the column it is in
-    PCol * pcol_l_;
-    
-    Item * broken_to_a_[2];
-
-    /// should be put in a breakable col.
-    bool breakable_b_;
-    int break_status_i_;
-    /// nobreak = 0, pre = -1, post = 1
-    int break_status_i()const;
-    Item * find_prebroken_piece (PCol*)const;
-    Item * find_prebroken_piece (Line_of_score*)const;    
-
-    virtual Item *item() { return this; }
-    Item();
-    Real hpos_f() const;
-    DECLARE_MY_RUNTIME_TYPEINFO;
-    virtual Line_of_score * line_l() const;
+  Link_array<Spanner> attached_span_l_arr_;
+  Drul_array<Item*> broken_to_drul_;
+
+  /// should be put in a breakable col.
+  bool breakable_b_;
+  Direction break_status_dir_;
+  int break_priority_i_;
+  
+  /// nobreak = 0, pre = -1, post = 1
+  Direction break_status_dir() const;
+  Item * find_prebroken_piece (Direction) const;
+  Item * find_prebroken_piece (Line_of_score*) const;    
+
+  virtual Item *access_Item() ;
+  Item();
+  Real hpos_f() const;
+  DECLARE_MY_RUNTIME_TYPEINFO;
+  virtual Line_of_score * line_l() const;
+  virtual Paper_column * column_l () const;
     
+  static int left_right_compare (Item const *, Item const*);
+  
+  Item (Item const &);
 protected:
-    virtual void  do_breakable_col_processing();
-    virtual void handle_prebroken_dependencies();
-    virtual void do_print()const;
+  virtual void do_unlink ();
+  virtual void do_junk_links();
+  virtual void  do_breakable_col_processing();
+  virtual void handle_prebroken_dependencies();
+  virtual void do_print() const;
+  virtual bool linked_b() const;
 
-    void copy_breakable_items();
+  void copy_breakable_items();
 };