2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
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.
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.
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/>.
20 #include "grace-iterator.hh"
21 #include "global-context.hh"
25 Grace_iterator::process (Moment m)
28 main.main_part_ = -start_mom_.grace_part_ + m.grace_part_;
30 // GraceChange is announced in order to make the Grace_engraver able
31 // to distinguish \stemNeutral \grace { ... and \grace { \stemNeutral ...
32 if (in_grace_ != bool (m.grace_part_) && child_iter_ && child_iter_->get_outlet ())
34 send_stream_event (child_iter_->get_outlet (), "GraceChange", get_music ()->origin (), 0);
36 in_grace_ = m.grace_part_;
38 Music_wrapper_iterator::process (main);
40 /* We can safely do this, since \grace should always be inside
42 descend_to_child (child_iter_->get_outlet ());
46 Grace_iterator::pending_moment () const
48 Moment cp = Music_wrapper_iterator::pending_moment ();
51 pending.grace_part_ = start_mom_.grace_part_ + cp.main_part_;
56 IMPLEMENT_CTOR_CALLBACK (Grace_iterator);