#include "grob.hh"
/**
- Do time bookkeeping
- */
+ Do time bookkeeping
+*/
class Timing_engraver : public Timing_translator, public Engraver
{
protected:
/* Needed to know whether we're advancing in grace notes, or not. */
Moment last_moment_;
-
+
virtual void start_translation_timestep ();
virtual void initialize ();
- virtual void process_music();
+ virtual void process_music ();
virtual void stop_translation_timestep ();
public:
TRANSLATOR_DECLARATIONS (Timing_engraver);
};
-
Timing_engraver::Timing_engraver ()
{
last_moment_.main_part_ = Rational (-1);
}
-
void
Timing_engraver::initialize ()
{
Timing_translator::initialize ();
-
+
SCM which = get_property ("whichBar");
Moment now = now_mom ();
-
+
/* Set the first bar of the score? */
if (!scm_is_string (which))
which = (now.main_part_ || now.main_part_ == last_moment_.main_part_)
}
void
-Timing_engraver::process_music()
+Timing_engraver::process_music ()
{
Timing_translator::process_music ();
- bool start_of_measure = (last_moment_.main_part_ != now_mom().main_part_
+ bool start_of_measure = (last_moment_.main_part_ != now_mom ().main_part_
&& !measure_position ().main_part_);
/*
We can't do this in start_translation_timestep(), since time sig
changes won't have happened by then.
- */
+ */
if (start_of_measure)
{
Moment mlen = Moment (measure_length ());
unsmob_grob (get_property ("currentCommandColumn"))
- ->set_property ("measure-length", mlen.smobbed_copy ());
+ ->set_property ("measure-length", mlen.smobbed_copy ());
}
}
-
void
Timing_engraver::start_translation_timestep ()
{
SCM always = get_property ("barAlways");
- if ( start_of_measure || (to_boolean (always)))
+ if (start_of_measure || (to_boolean (always)))
{
/* should this work, or be junked? See input/bugs/no-bars.ly */
which = get_property ("defaultBarType");
last_moment_ = now_mom ();
}
-
ADD_TRANSLATOR (Timing_engraver,
-/* descr */ " Responsible for synchronizing timing information from staves. "
-"Normally in @code{Score}. In order to create polyrhythmic music, "
-"this engraver should be removed from @code{Score} and placed in "
-"@code{Staff}. "
-"\n\nThis engraver adds the alias @code{Timing} to its containing context."
-
- ,
-/* creats*/ "",
-/* accepts */ "",
-/* acks */ "",
-/* reads */ "automaticBars whichBar barAlways defaultBarType skipBars timing measureLength measurePosition currentBarNumber",
-/* write */ "");
+ /* descr */ " Responsible for synchronizing timing information from staves. "
+ "Normally in @code{Score}. In order to create polyrhythmic music, "
+ "this engraver should be removed from @code{Score} and placed in "
+ "@code{Staff}. "
+ "\n\nThis engraver adds the alias @code{Timing} to its containing context.",
+ /* creats*/ "",
+ /* accepts */ "",
+ /* acks */ "",
+ /* reads */ "automaticBars whichBar barAlways defaultBarType skipBars timing measureLength measurePosition currentBarNumber",
+ /* write */ "");