--- /dev/null
+// the breaking problem for a score.
+
+#ifndef PSCORE_HH
+#define PSCORE_HH
+
+#include "colhpos.hh"
+#include "varray.hh"
+#include "p-col.hh"
+#include "p-staff.hh"
+
+
+/** all stuff which goes onto paper. notes, signs, symbols in a score can be grouped in two ways:
+ horizontally (staffwise), and vertically (columns). #PScore#
+ contains the items, the columns and the staffs.
+ */
+
+struct PScore {
+ Paper_def *paper_l_;
+
+ /// the columns, ordered left to right
+ IPointerList<PCol *> cols;
+
+ /// the idealspacings, no particular order
+ IPointerList<Idealspacing*> suz;
+
+ /// the staffs ordered top to bottom
+ IPointerList<PStaff*> staffs;
+
+ /// all symbols in score. No particular order.
+ IPointerList<Item*> its;
+
+ /// if broken, the different lines
+ IPointerList<Line_of_score*> lines;
+
+ /// crescs etc; no particular order
+ IPointerList<Spanner *> spanners;
+
+ /// broken spanners
+ IPointerList<Spanner*> broken_spans;
+
+ /* *************** */
+ /* CONSTRUCTION */
+
+ PScore(Paper_def*);
+ /// add a line to the broken stuff. Positions given in #config#
+ void set_breaking(Array<Col_hpositions>);
+
+ void add(PStaff *);
+
+
+ /** add an item.
+ add the item in specified containers. If breakstatus is set
+ properly, add it to the {pre,post}break of the pcol.
+ */
+ void typeset_item(Item *item_p, PCol *pcol_l,PStaff*pstaf_l,int breakstatus=1);
+
+ /// add a Spanner
+ void typeset_spanner(Spanner*, PStaff*);
+
+ /// add to bottom of pcols
+ void add(PCol*);
+ void add_broken(Spanner*);
+
+ /* INSPECTION */
+ Array<Item*> select_items(PStaff*, PCol*);
+
+ /**
+ @return argument as a cursor of the list
+ */
+ PCursor<PCol *> find_col(const PCol *)const;
+
+ /* MAIN ROUTINES */
+ void process();
+
+ /// last deed of this struct
+ void output(Tex_stream &ts);
+
+ /* UTILITY ROUTINES */
+
+ /// get the spacing between c1 and c2, create one if necessary.
+ Idealspacing* get_spacing(PCol *c1, PCol *c2);
+
+ /// connect c1 and c2
+ void do_connect(PCol *c1, PCol *c2, Real distance_f, Real strength_f);
+
+ /// connect c1 and c2 and any children of c1 and c2
+ void connect(PCol* c1, PCol *c2, Real distance_f,Real strength_f= 1.0);
+
+ /* STANDARD ROUTINES */
+ void OK()const;
+ void print() const;
+private:
+ /// before calc_breaking
+ void preprocess();
+
+ /// calculate where the lines are to be broken, and use results
+ void calc_breaking();
+
+ /// after calc_breaking
+ void postprocess();
+
+ /// delete unused columns
+ void clean_cols();
+};
+
+#endif