/*
multi_measure_rest-engraver.cc -- implement Multi_measure_rest_engraver
- (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
- Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+ Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "event.hh"
#include "multi-measure-rest.hh"
#include "paper-column.hh"
#include "engraver-group-engraver.hh"
#include "side-position-interface.hh"
#include "staff-symbol-referencer.hh"
-#include "engraver.hh"
#include "moment.hh"
-#include "spanner.hh"
/**
- The name says it all: make multi measure rests
+ The name says it all: make multi measure rests
*/
class Multi_measure_rest_engraver : public Engraver
{
TRANSLATOR_DECLARATIONS (Multi_measure_rest_engraver);
protected:
- virtual bool try_music (Music*);
- virtual void process_music ();
- virtual void stop_translation_timestep ();
- virtual void start_translation_timestep ();
+ virtual bool try_music (Music *);
+ PRECOMPUTED_VIRTUAL void process_music ();
+ PRECOMPUTED_VIRTUAL void stop_translation_timestep ();
+ PRECOMPUTED_VIRTUAL void start_translation_timestep ();
virtual void finalize ();
private:
- Music * rest_ev_;
+ Music *rest_ev_;
Link_array<Music> text_events_;
int start_measure_;
Rational last_main_moment_;
Moment stop_moment_;
-
+
bool bar_seen_;
- Item *last_command_item_ ;
+ Item *last_command_item_;
Spanner *last_rest_;
Spanner *mmrest_;
Multi_measure_rest_engraver::Multi_measure_rest_engraver ()
{
last_command_item_ = 0;
- bar_seen_ = false;
+
+ /*
+ For the start of a score.
+ */
+ bar_seen_ = true;
start_measure_ = 0;
mmrest_ = 0;
- last_rest_ =0;
+ last_rest_ = 0;
rest_ev_ = 0;
}
bool
-Multi_measure_rest_engraver::try_music (Music* req)
+Multi_measure_rest_engraver::try_music (Music *event)
{
- if (req->is_mus_type ("multi-measure-rest-event"))
+ if (event->is_mus_type ("multi-measure-rest-event"))
{
- rest_ev_ = req;
+ rest_ev_ = event;
stop_moment_ = now_mom () + rest_ev_->get_length ();
-
+
return true;
}
- else if (req->is_mus_type ("multi-measure-text-event"))
+ else if (event->is_mus_type ("multi-measure-text-event"))
{
- text_events_.push (req);
+ text_events_.push (event);
return true;
}
return false;
mmrest_ = make_spanner ("MultiMeasureRest", rest_ev_->self_scm ());
Spanner *sp
- = make_spanner ("MultiMeasureRestNumber", rest_ev_->self_scm () );
+ = make_spanner ("MultiMeasureRestNumber", rest_ev_->self_scm ());
numbers_.push (sp);
if (text_events_.size ())
for (int i = 0; i < text_events_.size (); i++)
{
- Music* e = text_events_[i];
+ Music *e = text_events_[i];
Spanner *sp
- = make_spanner ("MultiMeasureRestText", e->self_scm () );
+ = make_spanner ("MultiMeasureRestText", e->self_scm ());
SCM t = e->get_property ("text");
SCM dir = e->get_property ("direction");
- sp->set_property ("text",t);
+ sp->set_property ("text", t);
if (is_direction (dir))
- sp->set_property ("direction",dir);
-
+ sp->set_property ("direction", dir);
+
numbers_.push (sp);
}
/*
Stack different scripts.
- */
- Direction d = DOWN;
- do {
- Grob *last =0;
- for (int i=0; i <numbers_.size (); i++)
- {
- if (scm_int2num (d) == numbers_[i]->get_property ("direction"))
- {
- if (last)
- Side_position_interface::add_support (numbers_[i], last);
- last = numbers_[i];
- }
- }
- } while (flip (&d) != DOWN);
+ */
+ Direction d = DOWN;
+ do
+ {
+ Grob *last = 0;
+ for (int i = 0; i < numbers_.size (); i++)
+ {
+ if (scm_int2num (d) == numbers_[i]->get_property ("direction"))
+ {
+ if (last)
+ Side_position_interface::add_support (numbers_[i], last);
+ last = numbers_[i];
+ }
+ }
+ }
+ while (flip (&d) != DOWN);
}
- for (int i =0 ; i < numbers_.size (); i++)
+ for (int i = 0; i < numbers_.size (); i++)
{
Side_position_interface::add_support (numbers_[i], mmrest_);
numbers_[i]->set_parent (mmrest_, Y_AXIS);
}
-
+
start_measure_
= scm_to_int (get_property ("currentBarNumber"));
}
- bar_seen_ = scm_is_string (get_property ("whichBar"));
+ bar_seen_ = bar_seen_ || scm_is_string (get_property ("whichBar"));
}
void
Multi_measure_rest_engraver::stop_translation_timestep ()
{
- /*
- We can not do this earlier, as breakableSeparationItem is not yet there.
- */
-
+ /* We cannot do this earlier, as breakableSeparationItem is not yet
+ there. */
if (bar_seen_)
{
Grob *cmc = unsmob_grob (get_property ("breakableSeparationItem"));
if (!cmc)
cmc = unsmob_grob (get_property ("currentCommandColumn"));
- /*
- Ugh, this is a kludge - need this for multi-measure-rest-grace.ly
- */
- last_command_item_ = dynamic_cast<Item*> (cmc);
+ /* Ugh, this is a kludge - need this for multi-measure-rest-grace.ly */
+ last_command_item_ = dynamic_cast<Item *> (cmc);
}
- if (last_command_item_ && (mmrest_ || last_rest_))
+ if (last_command_item_ && (mmrest_ || last_rest_))
{
-
if (last_rest_)
{
add_bound_item (last_rest_, last_command_item_);
last_command_item_ = 0;
}
}
-
-
-
- Moment mp(robust_scm2moment (get_property ("measurePosition"), Moment (0)));
+ Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
if (last_rest_)
{
last_rest_ = 0;
}
text_events_.clear ();
+ bar_seen_ = false;
}
void
rest_ev_ = 0;
}
- bar_seen_ = false;
-
- Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
+ Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
Moment now = now_mom ();
if (mmrest_
{
last_rest_ = mmrest_;
last_numbers_ = numbers_;
-
+
int cur = scm_to_int (get_property ("currentBarNumber"));
int num = cur - start_measure_;
mmrest_ = 0;
numbers_.clear ();
-
- Grob * last = last_numbers_.size () ? last_numbers_[0] : 0;
+
+ Grob *last = last_numbers_.size () ? last_numbers_[0] : 0;
if (last && last->get_property ("text") == SCM_EOL)
{
SCM thres = get_property ("restNumberThreshold");
int t = 1;
if (scm_is_number (thres))
t = scm_to_int (thres);
-
+
if (num <= t)
last->suicide ();
- else
+ else
{
SCM text
= scm_number_to_string (scm_int2num (num), scm_from_int (10));
{
}
-ENTER_DESCRIPTION (Multi_measure_rest_engraver,
-/* descr */
- "Engraves multi-measure rests that are produced with @code{R}. Reads "
-"measurePosition and currentBarNumber to determine what number to print "
-"over the MultiMeasureRest. Reads measureLength to determine if it "
-"should use a whole rest or a breve rest to represent 1 measure "
- ,
-/* creats*/ "MultiMeasureRest MultiMeasureRestNumber MultiMeasureRestText",
-/* accepts */ "multi-measure-rest-event multi-measure-text-event",
-/* acks */ "",
-/* reads */ "currentBarNumber restNumberThreshold breakableSeparationItem currentCommandColumn measurePosition measureLength",
-/* write */ "");
+#include "translator.icc"
+
+ADD_TRANSLATOR (Multi_measure_rest_engraver,
+ /* descr */
+ "Engraves multi-measure rests that are produced with @code{R}. Reads "
+ "measurePosition and currentBarNumber to determine what number to print "
+ "over the MultiMeasureRest. Reads measureLength to determine if it "
+ "should use a whole rest or a breve rest to represent 1 measure ",
+ /* creats*/ "MultiMeasureRest MultiMeasureRestNumber MultiMeasureRestText",
+ /* accepts */ "multi-measure-rest-event multi-measure-text-event",
+ /* acks */ "",
+ /* reads */ "currentBarNumber restNumberThreshold breakableSeparationItem currentCommandColumn measurePosition measureLength",
+ /* write */ "");
projects / lilypond.git / blobdiff