lily/chord-name.cc

   1 /*
   2   chord-name.cc -- implement Chord_label
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999--2009 Jan Nieuwenhuizen <janneke@gnu.org>
   7 */
   8
   9 #include "chord-name.hh"
  10
  11 #include "output-def.hh"
  12 #include "font-interface.hh"
  13 #include "paper-column.hh"
  14 #include "system.hh"
  15 #include "staff-symbol-referencer.hh"
  16 #include "text-interface.hh"
  17
  18 MAKE_SCHEME_CALLBACK (Chord_name, after_line_breaking, 1);
  19 SCM
  20 Chord_name::after_line_breaking (SCM smob)
  21 {
  22   Item *me = unsmob_item (smob);
  23   assert (me);
  24
  25   SCM s = me->get_property ("begin-of-line-visible");
  26   if (to_boolean (s))
  27     {
  28       if (me->get_column ()->get_rank ()
  29           - me->get_system ()->spanned_rank_interval ()[LEFT] > 1)
  30         me->suicide ();
  31     }
  32   return SCM_UNSPECIFIED;
  33 }
  34
  35 ADD_INTERFACE (Chord_name,
  36                "A chord label (name or fretboard).",
  37
  38                /* properties */
  39                "begin-of-line-visible "
  40                );