Fix some bugs in the dynamic engraver and PostScript backend

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

diff --git a/lily/include/item.hh b/lily/include/item.hh
index bd38edcc0f1cd54ff968f6f68ef1326a7e500b85..9d1f2e73f66aeb5d29347667d8f62e942e83516c 100644 (file)
--- a/lily/include/item.hh
+++ b/lily/include/item.hh
@@ -3,64 +3,46 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 #ifndef ITEM_HH
 #define ITEM_HH
 
-
 #include "box.hh"
-#include "string.hh"
-#include "score-element.hh"
-#include "drul-array.hh"
+#include "grob.hh"
 
 /**
-  A horizontally fixed size element of the score.
-
-  Item is the datastructure for printables whose width is known
-  before the spacing is calculated
+   A horizontally fixed size element of the score.
 
-  NB. This doesn't mean an Item has to initialize the output field before
-  spacing calculation. 
-  
+   Item is the datastructure for printables whose width is known
+   before the spacing is calculated
 */
-class Item : public virtual Score_element {
-public:
-  Link_array<Spanner> attached_span_l_arr_;
-  Drul_array<Item*> broken_to_drul_;
-  Item *unbroken_original_l_;
+class Item : public Grob
+{
+  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;    
+  DECLARE_CLASSNAME(Item);
+public:
+  Item (SCM, Object_key const *);
+  Item (Item const &, int count);
 
-  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_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;
+  virtual Grob *clone (int count) const;
 
-  void copy_breakable_items();
-};
+  static bool is_non_musical (Grob *);
+  bool is_broken () const;
 
+  Direction break_status_dir () const;
 
+  Item *find_prebroken_piece (Direction) const;
+  Grob *find_broken_piece (System *) const;
+  virtual System *get_system () const;
+  virtual Paper_column *get_column () const;
+  virtual void handle_prebroken_dependencies ();
+  static bool has_interface (Grob *);
+protected:
+  virtual void discretionary_processing ();
+  void copy_breakable_items ();
+  virtual void derived_mark () const;
+};
 
 #endif