lily/chord-name.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 1999--2011 Jan Nieuwenhuizen <janneke@gnu.org>
   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 "chord-name.hh"
  21
  22 #include "output-def.hh"
  23 #include "font-interface.hh"
  24 #include "paper-column.hh"
  25 #include "system.hh"
  26 #include "staff-symbol-referencer.hh"
  27 #include "text-interface.hh"
  28
  29 MAKE_SCHEME_CALLBACK (Chord_name, after_line_breaking, 1);
  30 SCM
  31 Chord_name::after_line_breaking (SCM smob)
  32 {
  33   Item *me = unsmob_item (smob);
  34   assert (me);
  35
  36   SCM s = me->get_property ("begin-of-line-visible");
  37   if (to_boolean (s))
  38     {
  39       if (me->get_column ()->get_rank ()
  40           - me->get_system ()->spanned_rank_interval ()[LEFT] > 1)
  41         me->suicide ();
  42     }
  43   return SCM_UNSPECIFIED;
  44 }
  45
  46 ADD_INTERFACE (Chord_name,
  47                "A chord label (name or fretboard).",
  48
  49                /* properties */
  50                "begin-of-line-visible "
  51                );