/*
- item-scheme.cc -- implement Item bindings.
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "item.hh"
-
+#include "paper-column.hh"
LY_DEFINE (ly_item_p, "ly:item?",
- 1, 0, 0, (SCM g),
- "Is @var{g} an @code{Item} object?")
+ 1, 0, 0, (SCM g),
+ "Is @var{g} an @code{Item} object?")
{
- Grob *me = unsmob_grob (g);
+ Grob *me = unsmob<Grob> (g);
bool b = dynamic_cast<Item *> (me);
return ly_bool2scm (b);
}
LY_DEFINE (ly_item_break_dir, "ly:item-break-dir",
- 1, 0, 0, (SCM it),
- "The break status dir of item @var{it}. @code{-1} is end of "
- "line, @code{0} unbroken, and @code{1} begin of line.")
+ 1, 0, 0, (SCM it),
+ "The break status direction of item @var{it}. @w{@code{-1}} means"
+ " end of line, @code{0}@tie{}unbroken, and"
+ " @code{1}@tie{}beginning of line.")
{
- Item *me = dynamic_cast<Item *> (unsmob_grob (it));
- SCM_ASSERT_TYPE (me, it, SCM_ARG1, __FUNCTION__, "Item");
+ LY_ASSERT_SMOB (Item, it, 1);
+ Item *me = unsmob<Item> (it);
return scm_from_int (me->break_status_dir ());
}
+
+LY_DEFINE (ly_item_get_column, "ly:item-get-column",
+ 1, 0, 0, (SCM it),
+ "Return the @code{PaperColumn} or @code{NonMusicalPaperColumn}"
+ " associated with this @code{Item}.")
+{
+ LY_ASSERT_SMOB (Item, it, 1);
+ Item *me = unsmob<Item> (it);
+
+ if (Paper_column *col = me->get_column ())
+ return col->self_scm ();
+
+ return SCM_EOL;
+}