release: 0.1.11

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

diff --git a/lily/include/item.hh b/lily/include/item.hh
index f61a2f27650789168a2ea2724acd63ee5fe96d8d..524c6772e1bf248d1ffb9f9f25b723289c477430 100644 (file)
--- a/lily/include/item.hh
+++ b/lily/include/item.hh
@@ -1,20 +1,21 @@
 /*
   item.hh -- declare Item
 
-  source file of the LilyPond music typesetter
+  source file of the GNU LilyPond music typesetter
 
   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
 */
 #ifndef ITEM_HH
 #define ITEM_HH
 
-#include "glob.hh"
+
 #include "boxes.hh"
 #include "string.hh"
-#include "staff-elem.hh"
+#include "score-elem.hh"
+#include "drul-array.hh"
 
 /**
- a horizontally fixed size element of the score
+  A horizontally fixed size element of the score.
 
   Item is the datastructure for printables whose width is known
   before the spacing is calculated
@@ -25,24 +26,35 @@
 */
 class Item : public virtual Score_elem {
 public:
-    /// indirection to the column it is in
-    PCol * pcol_l_;
-
-    /* *************** */
-    virtual Item *item() { return this; }
-    Item();
-    void do_print()const;
-    Real hpos_f() const;
-    NAME_MEMBERS(Item);
-    /**
-      
-      @return the line where this is in; 
-
-      PRE
-      Breaking calc has  to be finished
-     */
-    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_;
+  int break_status_i_;
+  /// nobreak = 0, pre = -1, post = 1
+  int break_status_i() const;
+  Item * find_prebroken_piece (int) 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;
+    
+  static int left_right_compare (Item const *, Item const*);
+protected:
+  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();
 };
 
 
+
 #endif