Merge branch 'lilypond/translation' of ssh://thsoft@git.sv.gnu.org/srv/git/lilypond...

[lilypond.git] / lily / constrained-breaking.cc

diff --git a/lily/constrained-breaking.cc b/lily/constrained-breaking.cc
index 29c00e1b0334c1b6fd1946e125310f51cbcc93f6..f6f84b80907714907d218525deb8c868a95f397e 100644 (file)
--- a/lily/constrained-breaking.cc
+++ b/lily/constrained-breaking.cc
@@ -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
@@ -519,6 +519,8 @@ Constrained_breaking::fill_line_details (Line_details *const out, vsize start, v
   out->title_space_ = system_markup_space_;
   out->inverse_hooke_ = out->full_height () + system_system_space_;
 
+  out->footnotes_ = sys->get_footnotes_in_range (start_rank, end_rank);
+
   out->refpoint_extent_ = sys->pure_refpoint_extent (start_rank, end_rank);
   if (out->refpoint_extent_.is_empty ())
     out->refpoint_extent_ = Interval (0, 0);
@@ -550,6 +552,11 @@ Line_details::Line_details (Prob *pb, Output_def *paper)
   Page_layout_problem::read_spacing_spec (spec, &min_distance_, ly_symbol2scm ("minimum-distance"));
   Page_layout_problem::read_spacing_spec (title_spec, &title_min_distance_, ly_symbol2scm ("minimum-distance"));
 
+  SCM footnotes = pb->get_property ("footnotes");
+  if (scm_is_pair (footnotes))
+    for (SCM s = footnotes; scm_is_pair (s); s = scm_cdr (s))
+      footnotes_.push_back (unsmob_stencil (scm_car (s)));
+
   last_column_ = 0;
   force_ = 0;
   Interval stencil_extent = unsmob_stencil (pb->get_property ("stencil"))->extent (Y_AXIS);
@@ -589,6 +596,18 @@ Line_details::tallness () const
   return tallness_;
 }
 
+Real
+Line_details::spring_length (Line_details const &next_line) const
+{
+  // space_ measures the spring which goes from the bottom refpoint
+  // of this to the top refpoint of next_line. We want to return
+  // the stretchable space between the bottom of this's extent to
+  // the top of next_line's extent.
+  Real refpoint_dist = tallness_ + refpoint_extent_[DOWN] - next_line.refpoint_extent_[UP];
+  Real space = next_line.title_ ? title_space_ : space_;
+  return max (0.0, space - refpoint_dist);
+}
+
 Line_shape::Line_shape (Interval begin, Interval rest)
 {
   begin_ = begin;