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.
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_;
+ Item *unbroken_original_l_;
+
+ /// 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;
+
+ 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();
};