/*
- fall-engraver.cc -- implement Fall_engraver
+ fall-engraver.cc -- implement Bend_after_engraver
(c) 2006 Han-Wen Nienhuys
#include "engraver.hh"
#include "item.hh"
+#include "moment.hh"
#include "spanner.hh"
+#include "stream-event.hh"
-class Fall_engraver : public Engraver
+#include "translator.icc"
+
+class Bend_after_engraver : public Engraver
{
public:
- TRANSLATOR_DECLARATIONS (Fall_engraver);
+ TRANSLATOR_DECLARATIONS (Bend_after_engraver);
DECLARE_ACKNOWLEDGER (note_head);
protected:
- virtual bool try_music (Music *event);
+ DECLARE_TRANSLATOR_LISTENER (bend_after);
void process_music ();
void stop_translation_timestep ();
void start_translation_timestep ();
private:
Moment stop_moment_;
- Music *fall_event_;
+ Stream_event *fall_event_;
Spanner *fall_;
Grob *note_head_;
};
void
-Fall_engraver::stop_fall ()
+Bend_after_engraver::stop_fall ()
{
bool bar = scm_is_string (get_property ("whichBar"));
- fall_->set_bound (RIGHT, unsmob_grob (
- bar
+ fall_->set_bound (RIGHT, unsmob_grob (bar
? get_property ("currentCommandColumn")
: get_property ("currentMusicalColumn")));
fall_ = 0;
}
void
-Fall_engraver::stop_translation_timestep ()
+Bend_after_engraver::stop_translation_timestep ()
{
if (fall_ && !fall_->get_bound (LEFT))
{
}
void
-Fall_engraver::start_translation_timestep ()
+Bend_after_engraver::start_translation_timestep ()
{
if (fall_ && now_mom ().main_part_ >= stop_moment_.main_part_)
{
}
void
-Fall_engraver::acknowledge_note_head (Grob_info info)
+Bend_after_engraver::acknowledge_note_head (Grob_info info)
{
if (!fall_event_)
return;
}
note_head_ = info.grob ();
- stop_moment_ = now_mom () + info.music_cause ()->get_length ();
+ stop_moment_ = now_mom () + get_event_length (info.event_cause ());
}
-Fall_engraver::Fall_engraver ()
+Bend_after_engraver::Bend_after_engraver ()
{
fall_ = 0;
note_head_ = 0;
fall_event_ = 0;
}
-bool
-Fall_engraver::try_music (Music *r)
+IMPLEMENT_TRANSLATOR_LISTENER (Bend_after_engraver, bend_after);
+void
+Bend_after_engraver::listen_bend_after (Stream_event *ev)
{
- fall_event_ = r;
- return true;
+ ASSIGN_EVENT_ONCE (fall_event_, ev);
}
void
-Fall_engraver::process_music ()
+Bend_after_engraver::process_music ()
{
if (fall_event_ && !fall_)
{
fall_ = make_spanner ("BendAfter", fall_event_->self_scm ());
- fall_->set_property ("delta-step",
- scm_from_double (robust_scm2double (fall_event_->get_property ("delta-pitch"), 0) * 0.5));
+ fall_->set_property ("delta-position",
+ scm_from_double (robust_scm2double (fall_event_->get_property ("delta-step"), 0)));
}
}
-#include "translator.icc"
-
-
-ADD_ACKNOWLEDGER (Fall_engraver, note_head);
-
+ADD_ACKNOWLEDGER (Bend_after_engraver, note_head);
-ADD_TRANSLATOR (Fall_engraver,
+ADD_TRANSLATOR (Bend_after_engraver,
/* doc */ "Create fall spanners.",
/* create */ "BendAfter",
- /* accept */ "bend-after-event",
/* read */ "",
/* write */ "");