source file of the GNU LilyPond music typesetter
- (c) 1999--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1999--2007 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include "engraver.hh"
+#include "bar-line.hh"
#include "beaming-pattern.hh"
#include "beam.hh"
-#include "stem.hh"
-#include "warn.hh"
-#include "bar-line.hh"
-#include "rest.hh"
-#include "item.hh"
-#include "spanner.hh"
#include "context.hh"
#include "duration.hh"
+#include "engraver.hh"
+#include "item.hh"
+#include "rest.hh"
+#include "spanner.hh"
+#include "stream-event.hh"
+#include "stem.hh"
+#include "warn.hh"
#include "translator.icc"
void stop_translation_timestep ();
void start_translation_timestep ();
void process_music ();
- virtual bool try_music (Music *);
virtual void finalize ();
virtual void derived_mark () const;
DECLARE_ACKNOWLEDGER (beam);
DECLARE_ACKNOWLEDGER (bar_line);
DECLARE_ACKNOWLEDGER (stem);
+ DECLARE_TRANSLATOR_LISTENER (beam_forbid);
void process_acknowledged ();
bool is_same_grace_state (Grob *e);
void typeset_beam ();
- Music *forbid_;
+ Stream_event *forbid_;
/*
shortest_mom is the shortest note in the beam.
*/
beam_settings_ = SCM_EOL;
}
-bool
-Auto_beam_engraver::try_music (Music *m)
+IMPLEMENT_TRANSLATOR_LISTENER (Auto_beam_engraver, beam_forbid);
+void
+Auto_beam_engraver::listen_beam_forbid (Stream_event *ev)
{
- if (m->is_mus_type ("beam-forbid-event"))
- {
- forbid_ = m;
- return true;
- }
-
- return false;
+ ASSIGN_EVENT_ONCE (forbid_, ev);
}
bool
Can't use make_spanner_from_properties() because we have to use
beam_settings_.
*/
- Spanner *beam = new Spanner (beam_settings_,
- context ()->get_grob_key ("Beam"));
+ Spanner *beam = new Spanner (beam_settings_);
for (vsize i = 0; i < stems_->size (); i++)
Beam::add_stem (beam, (*stems_)[i]);
else
{
finished_beam_ = create_beam ();
+
if (finished_beam_)
- finished_grouping_ = grouping_;
+ {
+ announce_end_grob (finished_beam_, SCM_EOL);
+ finished_grouping_ = grouping_;
+ }
delete stems_;
stems_ = 0;
grouping_ = 0;
{
check_bar_property ();
Item *stem = dynamic_cast<Item *> (info.grob ());
- Music *m = info.ultimate_music_cause ();
- if (!m->is_mus_type ("rhythmic-event"))
+ Stream_event *ev = info.ultimate_event_cause ();
+ if (!ev->in_event_class ("rhythmic-event"))
{
programming_error ("stem must have rhythmic structure");
return;
return;
}
- int durlog = unsmob_duration (m->get_property ("duration"))->duration_log ();
+ int durlog = unsmob_duration (ev->get_property ("duration"))->duration_log ();
if (durlog <= 2)
{
if (bool (beam_start_location_.grace_part_) != bool (now.grace_part_))
return;
- Moment dur = unsmob_duration (m->get_property ("duration"))->get_length ();
+ Moment dur = unsmob_duration (ev->get_property ("duration"))->get_length ();
consider_end (dur);
consider_begin (dur);
durlog - 2);
stems_->push_back (stem);
last_add_mom_ = now;
- extend_mom_ = max (extend_mom_, now) + m->get_length ();
+ extend_mom_ = max (extend_mom_, now) + get_event_length (ev);
}
void
"@ref{Stem_engraver} properties @code{stemLeftBeamCount} and "
"@code{stemRightBeamCount}. ",
/* create */ "Beam",
- /* accept */ "beam-forbid-event",
- /* read */ "autoBeaming autoBeamSettings beatLength subdivideBeams",
+
+ /* read */
+ "autoBeaming "
+ "autoBeamSettings "
+ "beatLength "
+ "subdivideBeams ",
+
/* write */ "");