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 6f3eb6a7cb19740a0f668c5489d70397fa1dbb62..9d1f2e73f66aeb5d29347667d8f62e942e83516c 100644 (file)
--- a/lily/include/item.hh
+++ b/lily/include/item.hh
@@ -3,50 +3,46 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 #ifndef ITEM_HH
 #define ITEM_HH
 
-#include "glob.hh"
-#include "boxes.hh"
-#include "string.hh"
-#include "score-elem.hh"
+#include "box.hh"
+#include "grob.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
-
-  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_elem {
+class Item : public Grob
+{
+  Drul_array<Item *> broken_to_drul_;
+
+  DECLARE_CLASSNAME(Item);
 public:
-    /// indirection to the column it is in
-    PCol * pcol_l_;
-    
-    Item * broken_to_a_[2];
-
-    // nobreak = 0, pre =1, post = 2
-    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;
-protected:
-    virtual void  do_breakable_col_processing();
-    virtual void handle_prebroken_dependencies();
-    virtual void do_print()const;
+  Item (SCM, Object_key const *);
+  Item (Item const &, int count);
 
-};
+  virtual Grob *clone (int count) const;
 
+  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