lily/staff-grouper-interface.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2009--2010 Joe Neeman <joeneeman@gmail.com>
   5
   6   LilyPond is free software: you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   LilyPond is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "staff-grouper-interface.hh"
  21
  22 #include "hara-kiri-group-spanner.hh"
  23 #include "page-layout-problem.hh"
  24 #include "pointer-group-interface.hh"
  25
  26 Grob*
  27 Staff_grouper_interface::get_maybe_pure_last_grob (Grob *me, bool pure, int start, int end)
  28 {
  29   extract_grob_set (me, "elements", elts);
  30   for (vsize i = elts.size (); i--;)
  31     if (Page_layout_problem::is_spaceable (elts[i])
  32         && ((pure && !Hara_kiri_group_spanner::request_suicide (me, start, end))
  33             || (!pure && elts[i]->is_live ())))
  34       return elts[i];
  35
  36   return 0;
  37 }
  38
  39 ADD_INTERFACE (Staff_grouper_interface,
  40                "A grob that collects staves together.",
  41
  42                /* properties */
  43                "between-staff-spacing "
  44                "after-last-staff-spacing "
  45                );
  46