From 66b14fa596d0d154e3be43d33abfd4bdf24d28aa Mon Sep 17 00:00:00 2001
From: fred <fred>
Date: Sun, 24 Mar 2002 19:34:52 +0000
Subject: [PATCH] lilypond-0.0.41

---
 lily/beam.cc          |  3 +-
 lily/include/p-col.hh | 86 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 1 deletion(-)
 create mode 100644 lily/include/p-col.hh

diff --git a/lily/beam.cc b/lily/beam.cc
index b9fbd0a28c..87e9114caf 100644
--- a/lily/beam.cc
+++ b/lily/beam.cc
@@ -1,5 +1,6 @@
 #include "varray.hh"
 
+#include "proto.hh"
 #include "dimen.hh"
 #include "beam.hh"
 #include "misc.hh"
@@ -7,7 +8,7 @@
 #include "symbol.hh"
 #include "molecule.hh"
 #include "leastsquares.hh"
-#include "pcol.hh"
+#include "p-col.hh"
 #include "stem.hh"
 #include "paper-def.hh"
 #include "lookup.hh"
diff --git a/lily/include/p-col.hh b/lily/include/p-col.hh
new file mode 100644
index 0000000000..2641e64008
--- /dev/null
+++ b/lily/include/p-col.hh
@@ -0,0 +1,86 @@
+#ifndef COLS_HH
+#define COLS_HH
+
+#include "glob.hh"
+#include "boxes.hh"
+#include "plist.hh"
+#include "item.hh"
+
+
+/**
+   stuff grouped vertically.
+    This is a class to address items vertically. It contains the data for:
+    \begin{itemize}
+    \item
+    unbroken score
+    \item
+    broken score
+    \item
+    the linespacing problem
+    \end{itemize}
+  */
+
+struct PCol { 
+    PointerList<const Item*> its;
+    PointerList<const Spanner*> stoppers, starters;
+    
+
+
+    /** prebreak is put before end of line.
+    if broken here, then (*this) column is discarded, and prebreak
+    is put at end of line, owned by Col
+    */
+    PCol *prebreak_p_;
+
+    /// postbreak at beginning of the new line
+    PCol *postbreak_p_;
+    
+    /** if this column is pre or postbreak, then this field points to
+     the parent.  */
+    PCol *daddy_l_;
+    
+    /// if lines are broken then this column is in #line#
+    const Line_of_score *line_l_;
+
+    /// if lines are broken then this column x-coord #hpos#
+    Real hpos;
+
+    PScore * pscore_l_;
+
+    /* *************** */
+    /// which  one (left =0)
+    int rank() const;
+
+    /// does this column have items
+    bool used_b() const;
+    
+    void add(Item *i);
+
+    /// Can this be broken? true eg. for bars. 
+    bool breakable_b()const;
+    
+    Interval width() const;
+    ~PCol();
+    PCol(PCol * parent);
+
+    /**
+      which col comes first?.
+      signed compare on columns.
+
+      @return < 0 if c1 < c2.
+    */static int compare(const PCol &c1, const PCol &c2);
+    
+
+    void OK() const;
+    void set_breakable();
+    void print()const;
+private:
+    PCol(PCol const&){}
+};
+
+
+#include "compare.hh"
+instantiate_compare(PCol &, PCol::compare);
+     
+
+#endif
-- 
2.39.5