lily/item-scheme.cc

   1 /*
   2   item-scheme.cc -- implement Item bindings.
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7
   8 */
   9
  10 #include "item.hh"
  11
  12
  13 LY_DEFINE (ly_item_p, "ly:item?",
  14            1, 0, 0, (SCM g),
  15            "Is @var{g} an @code{Item} object?")
  16 {
  17   Grob *me = unsmob_grob (g);
  18   bool b = dynamic_cast<Item *> (me);
  19   return ly_bool2scm (b);
  20 }
  21
  22 LY_DEFINE (ly_item_break_dir, "ly:item-break-dir",
  23            1, 0, 0, (SCM it),
  24            "The break status direction of item @var{it}.  @code{-1} means"
  25            " end of line, @code{0}@tie{}unbroken, and"
  26            " @code{1}@tie{}beginning of line.")
  27 {
  28   LY_ASSERT_TYPE (unsmob_item, it, 1);
  29   Item *me = unsmob_item (it);
  30   return scm_from_int (me->break_status_dir ());
  31 }