-/*
- spanner-scheme.cc -- implement Spanner bindings.
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2007 Han-Wen Nienhuys <hanwen@lilypond.org>
-
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2007--2015 Han-Wen Nienhuys <hanwen@lilypond.org>
+
+
+ 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 "spanner.hh"
#include "item.hh"
LY_DEFINE (ly_spanner_bound, "ly:spanner-bound",
- 2, 0, 0, (SCM slur, SCM dir),
- "Get one of the bounds of @var{spanner}. @var{dir} is @code{-1} "
- "for left, and @code{1} for right.")
+ 2, 0, 0, (SCM spanner, SCM dir),
+ "Get one of the bounds of @var{spanner}. @var{dir} is @w{@code{-1}}"
+ " for left, and @code{1} for right.")
{
- LY_ASSERT_TYPE (unsmob_spanner, slur, 1);
- LY_ASSERT_TYPE(is_direction, dir,2);
-
- return unsmob_spanner (slur)->get_bound (to_dir (dir))->self_scm ();
+ LY_ASSERT_SMOB (Spanner, spanner, 1);
+ LY_ASSERT_TYPE (is_direction, dir, 2);
+ Item *bound = unsmob<Spanner> (spanner)->get_bound (to_dir (dir));
+ return bound ? bound->self_scm () : SCM_EOL;
+}
+
+LY_DEFINE (ly_spanner_set_bound_x, "ly:spanner-set-bound!",
+ 3, 0, 0, (SCM spanner, SCM dir, SCM item),
+ "Set grob @var{item} as bound in direction @var{dir} for"
+ " @var{spanner}.")
+{
+ LY_ASSERT_SMOB (Spanner, spanner, 1);
+ LY_ASSERT_TYPE (is_direction, dir, 2);
+ LY_ASSERT_SMOB (Item, item, 3);
+
+ unsmob<Spanner> (spanner)->set_bound (to_dir (dir), unsmob<Item> (item));
+ return SCM_UNSPECIFIED;
}
/* TODO: maybe we should return a vector -- random access is more
logical for this list? */
LY_DEFINE (ly_spanner_broken_into, "ly:spanner-broken-into",
- 1, 0, 0, (SCM spanner),
- "Return broken-into list for @var{spanner}.")
+ 1, 0, 0, (SCM spanner),
+ "Return broken-into list for @var{spanner}.")
{
- LY_ASSERT_TYPE (unsmob_spanner, spanner, 1);
- Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (spanner));
+ LY_ASSERT_TYPE (unsmob<Spanner>, spanner, 1);
+ Spanner *me = unsmob<Spanner> (spanner);
SCM s = SCM_EOL;
for (vsize i = me->broken_intos_.size (); i--;)
}
LY_DEFINE (ly_spanner_p, "ly:spanner?",
- 1, 0, 0, (SCM g),
- "Is @var{g} a spanner object?")
+ 1, 0, 0, (SCM g),
+ "Is @var{g} a spanner object?")
{
- Grob *me = unsmob_grob (g);
+ Grob *me = unsmob<Grob> (g);
bool b = dynamic_cast<Spanner *> (me);
return ly_bool2scm (b);