ly:grob-set-property!: Don't crash if set to a simple closure.

[lilypond.git] / lily / include / page-breaking.hh

diff --git a/lily/include/page-breaking.hh b/lily/include/page-breaking.hh
index d34534c1ca4eb462b6c1fb9ff4f1bd8ce270d10e..17f64d754b87089b324263e4ea8d1b875ba75286 100644 (file)
--- a/lily/include/page-breaking.hh
+++ b/lily/include/page-breaking.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2006--2010 Joe Neeman <joeneeman@gmail.com>
+  Copyright (C) 2006--2011 Joe Neeman <joeneeman@gmail.com>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -52,15 +52,16 @@ struct System_spec
 struct Break_position
 {
   /*
-    index in system_spec_index_, if VPOS start of book. 
+    index into system_specs_, if this is VPOS, the Break_position represents the
+    start of the book. 
    */
   vsize system_spec_index_;
 
-  /* if system_spec_index_ is a score, then we start at the score_brk_'th possible
-     page-break in the score */
+  /* if system_spec_index_ indexes a score, then we start at the score_brk_'th
+     possible page-break in the score */
   vsize score_break_; 
 
-  /* if system_spec_index_ is a score, this points to the broken column */
+  /* if system_spec_index_ indexes a score, this points to the broken column */
   Grob *col_;  
   bool score_ender_;
 
@@ -121,7 +122,11 @@ public:
   int max_systems_per_page () const;
   int min_systems_per_page () const;
   Real page_height (int page_number, bool last) const;
+  Real paper_height () const;
   vsize system_count () const;
+  Real footnote_separator_stencil_height () const;
+  Real footnote_padding () const;
+  Real footnote_footer_padding () const;
   Real line_count_penalty (int line_count) const;
   int line_count_status (int line_count) const;
   bool too_many_lines (int line_count) const;
@@ -143,6 +148,7 @@ protected:
 
   void break_into_pieces (vsize start, vsize end, Line_division const &div);
   SCM systems ();
+  SCM footnotes ();
 
   void set_current_breakpoints (vsize start,
                                vsize end,
@@ -182,6 +188,9 @@ private:
   int max_systems_per_page_;
   int min_systems_per_page_;
   vsize system_count_;
+  Real footnote_separator_stencil_height_;
+  Real footnote_padding_;
+  Real footnote_footer_padding_;
   int orphan_penalty_;
 
   vector<Line_division> current_configurations_;
@@ -196,6 +205,7 @@ private:
   vector<Line_details> cached_line_details_;
   vector<Line_details> uncompressed_line_details_;
 
+  Real paper_height_;
   mutable vector<Real> page_height_cache_;
   mutable vector<Real> last_page_height_cache_;