/*
- grob-pq-engraver.cc -- implement Grob_pq_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2001--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2001--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 "context.hh"
#include "grob.hh"
#include "warn.hh"
+#include "translator.icc"
+
struct Grob_pq_entry
{
Grob *grob_;
};
bool
-operator< (Grob_pq_entry const &a, Grob_pq_entry const &b)
+operator < (Grob_pq_entry const &a, Grob_pq_entry const &b)
{
return a.end_ < b.end_;
}
TRANSLATOR_DECLARATIONS (Grob_pq_engraver);
protected:
virtual void initialize ();
- DECLARE_ACKNOWLEDGER (grob);
+ void acknowledge_grob (Grob_info);
void start_translation_timestep ();
void stop_translation_timestep ();
void process_acknowledged ();
-
+
vector<Grob_pq_entry> started_now_;
};
-Grob_pq_engraver::Grob_pq_engraver ()
+Grob_pq_engraver::Grob_pq_engraver (Context *c)
+ : Engraver (c)
{
}
context ()->set_property ("busyGrobs", SCM_EOL);
}
-LY_DEFINE (ly_grob_pq_less_p, "ly:grob-pq-less?",
- 2, 0, 0, (SCM a, SCM b),
- "Compare 2 grob priority queue entries. Internal")
+LY_DEFINE (ly_grob_pq_less_p, "ly:grob-pq<?",
+ 2, 0, 0, (SCM a, SCM b),
+ "Compare two grob priority queue entries."
+ " This is an internal function.")
{
- if (Moment::compare (*unsmob_moment (scm_car (a)),
- *unsmob_moment (scm_car (b))) < 0)
+ if (Moment::compare (*unsmob<Moment> (scm_car (a)),
+ *unsmob<Moment> (scm_car (b))) < 0)
return SCM_BOOL_T;
else
return SCM_BOOL_F;
&& !gi.grob ()->internal_has_interface (ly_symbol2scm ("multi-measure-interface")))
{
Moment n = now_mom ();
- Moment l = get_event_length (ev);
+ Moment l = get_event_length (ev, n);
if (!l.to_bool ())
- return;
-
- if (n.grace_part_)
- {
- l.grace_part_ = l.main_part_;
- l.main_part_ = 0;
- }
+ return;
Moment end = n + l;
for (vsize i = 0; i < started_now_.size (); i++)
{
*tail = scm_acons (started_now_[i].end_.smobbed_copy (),
- started_now_[i].grob_->self_scm (),
- SCM_EOL);
+ started_now_[i].grob_->self_scm (),
+ SCM_EOL);
tail = SCM_CDRLOC (*tail);
}
Moment now = now_mom ();
SCM start_busy = get_property ("busyGrobs");
SCM busy = start_busy;
- while (scm_is_pair (busy) && *unsmob_moment (scm_caar (busy)) == now)
+ while (scm_is_pair (busy) && *unsmob<Moment> (scm_caar (busy)) == now)
busy = scm_cdr (busy);
}
SCM start_busy = get_property ("busyGrobs");
SCM busy = start_busy;
- while (scm_is_pair (busy) && *unsmob_moment (scm_caar (busy)) < now)
+ while (scm_is_pair (busy) && *unsmob<Moment> (scm_caar (busy)) < now)
{
/*
- The grob-pq-engraver is not water tight, and stuff like
- tupletSpannerDuration confuses it.
+ The grob-pq-engraver is not water tight, and stuff like
+ tupletSpannerDuration confuses it.
*/
busy = scm_cdr (busy);
}
- if (start_busy != busy)
+ if (!scm_is_eq (start_busy, busy))
context ()->set_property ("busyGrobs", busy);
}
-#include "translator.icc"
-ADD_ACKNOWLEDGER (Grob_pq_engraver, grob);
+void
+Grob_pq_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Grob_pq_engraver, grob);
+}
+
ADD_TRANSLATOR (Grob_pq_engraver,
+ /* doc */
+ "Administrate when certain grobs (e.g., note heads) stop"
+ " playing.",
+
+ /* create */
+ "",
+
+ /* read */
+ "busyGrobs ",
- /* doc */ "Administrate when certain grobs (eg. note heads) stop playing",
- /* create */ "",
- /* read */ "busyGrobs",
- /* write */ "busyGrobs");
+ /* write */
+ "busyGrobs "
+ );