/*
multi_measure_rest-engraver.cc -- implement Multi_measure_rest_engraver
- (c) 1998--2003 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
/**
The name says it all: make multi measure rests
-
*/
class Multi_measure_rest_engraver : public Engraver
{
public:
- TRANSLATOR_DECLARATIONS(Multi_measure_rest_engraver);
+ TRANSLATOR_DECLARATIONS (Multi_measure_rest_engraver);
protected:
virtual bool try_music (Music*);
virtual void finalize ();
private:
- Music * new_req_;
- Music * busy_span_req_;
- Music * stop_req_;
+ Music * rest_ev_;
Link_array<Music> text_events_;
int start_measure_;
- Moment start_moment_;
+ Rational last_main_moment_;
+ Moment stop_moment_;
-
+ bool bar_seen_;
+ Item *last_command_item_ ;
+ Spanner *last_rest_;
Spanner *mmrest_;
- Link_array<Spanner> numbers_;
+ Link_array<Spanner> numbers_;
Link_array<Spanner> last_numbers_;
- Spanner *last_rest_;
};
Multi_measure_rest_engraver::Multi_measure_rest_engraver ()
{
+ last_command_item_ = 0;
+ bar_seen_ = false;
start_measure_ = 0;
mmrest_ = 0;
last_rest_ =0;
- new_req_ = busy_span_req_ = stop_req_ =0;
+ rest_ev_ = 0;
}
bool
{
if (req->is_mus_type ("multi-measure-rest-event"))
{
- Direction d = to_dir (req->get_mus_property ("span-direction"));
- if (d == STOP)
- {
- stop_req_ = req;
- }
- else if (d == START&& !new_req_)
- {
- new_req_ = req;
- }
+ rest_ev_ = req;
+ stop_moment_ = now_mom () + rest_ev_->get_length ();
+
return true;
}
else if (req->is_mus_type ("multi-measure-text-event"))
void
Multi_measure_rest_engraver::process_music ()
{
- if (new_req_ && stop_req_)
- stop_req_ = 0;
-
- if (new_req_)
- start_moment_ = now_mom ();
-
- if (stop_req_)
+ if (rest_ev_ && !mmrest_
+ && stop_moment_ > now_mom ())
{
- busy_span_req_ =0;
- stop_req_ = 0;
- }
-
- if (new_req_)
- {
- busy_span_req_ = new_req_;
- new_req_ =0;
- }
+ mmrest_ = make_spanner ("MultiMeasureRest", rest_ev_->self_scm ());
- if (busy_span_req_ && !mmrest_)
- {
- mmrest_ = new Spanner (get_property ("MultiMeasureRest"));
+ Spanner *sp
+ = make_spanner ("MultiMeasureRestNumber", rest_ev_->self_scm () );
+ numbers_.push (sp);
- if (text_events_.size())
+ if (text_events_.size ())
{
- for (int i = 0; i < text_events_.size(); i++)
+ for (int i = 0; i < text_events_.size (); i++)
{
- Spanner *sp
- = new Spanner (get_property ("MultiMeasureRestText"));
Music* e = text_events_[i];
- SCM t = e->get_mus_property ("text");
- SCM dir = e->get_mus_property ("direction");
- sp->set_grob_property ("text",t);
- if (ly_dir_p (dir))
- sp->set_grob_property ("direction",dir);
+ Spanner *sp
+ = make_spanner ("MultiMeasureRestText", e->self_scm () );
+ SCM t = e->get_property ("text");
+ SCM dir = e->get_property ("direction");
+ sp->set_property ("text",t);
+ if (is_direction (dir))
+ sp->set_property ("direction",dir);
numbers_.push (sp);
- announce_grob (sp, e->self_scm());
}
/*
Direction d = DOWN;
do {
Grob *last =0;
- for (int i=0; i <numbers_.size(); i++)
+ for (int i=0; i <numbers_.size (); i++)
{
- if (gh_int2scm (d) == numbers_[i]->get_grob_property ("direction"))
+ if (scm_int2num (d) == numbers_[i]->get_property ("direction"))
{
if (last)
Side_position_interface::add_support (numbers_[i], last);
}
} while (flip (&d) != DOWN);
}
- else
- {
- Spanner *sp
- = new Spanner (get_property ("MultiMeasureRestNumber"));
- numbers_.push (sp);
- announce_grob (sp, busy_span_req_->self_scm());
- }
- 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);
}
- announce_grob (mmrest_, busy_span_req_->self_scm());
start_measure_
- = gh_scm2int (get_property ("currentBarNumber"));
+ = scm_to_int (get_property ("currentBarNumber"));
}
- if (gh_string_p (get_property ("whichBar")))
- {
- Grob *cmc = unsmob_grob (get_property( "currentCommandColumn"));
- Item *it = dynamic_cast<Item*> (cmc);
- if (mmrest_)
- {
- add_bound_item (mmrest_, it);
- for (int i = 0; i < numbers_.size(); i++)
- add_bound_item (numbers_[i], it);
- }
- if (last_rest_)
- {
- add_bound_item (last_rest_,it);
- for (int i = 0; i < last_numbers_.size(); i++)
- add_bound_item (last_numbers_[i], it);
- }
- }
+ bar_seen_ = scm_is_string (get_property ("whichBar"));
}
void
Multi_measure_rest_engraver::stop_translation_timestep ()
{
- SCM smp = get_property ("measurePosition");
- Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
-
- if (mmrest_ && (now_mom () >= start_moment_)
- && !mp.to_bool ()
- && mmrest_->get_bound (LEFT) && mmrest_->get_bound (RIGHT))
+ /*
+ We can not do this earlier, as breakableSeparationItem is not yet there.
+ */
+
+ if (bar_seen_)
{
- typeset_grob (mmrest_);
- for (int i = 0 ; i < numbers_.size(); i++)
- {
- typeset_grob (numbers_[i]);
- Side_position_interface::add_staff_support (numbers_[i]);
- }
-
+ Grob *cmc = unsmob_grob (get_property ("breakableSeparationItem"));
+ if (!cmc)
+ cmc = unsmob_grob (get_property ("currentCommandColumn"));
+
/*
- we must keep mmrest_ around to set measure-count, so
- no mmrest_ = 0 here.
+ Ugh, this is a kludge - need this for multi-measure-rest-grace.ly
*/
+ last_command_item_ = dynamic_cast<Item*> (cmc);
}
- if (last_rest_)
+ if (last_command_item_ && (mmrest_ || last_rest_))
{
- /* sanity check */
- if (last_rest_->get_bound (LEFT) && last_rest_->get_bound (RIGHT)
- && last_rest_->get_bound (LEFT) != last_rest_->get_bound (RIGHT))
+
+ if (last_rest_)
{
- typeset_grob (last_rest_);
+ add_bound_item (last_rest_, last_command_item_);
+ for (int i = 0; i < last_numbers_.size (); i++)
+ add_bound_item (last_numbers_[i], last_command_item_);
+ }
- /*
- huh ? add-staff-support ?
- */
- for (int i = 0; i < last_numbers_.size ();i++)
- typeset_grob (last_numbers_[i]);
+ if (mmrest_)
+ {
+ add_bound_item (mmrest_, last_command_item_);
+ for (int i = 0; i < numbers_.size (); i++)
+ add_bound_item (numbers_[i], last_command_item_);
+
+ last_command_item_ = 0;
}
- last_rest_ = 0;
- last_numbers_.clear();
}
+
+
+
+ Moment mp(robust_scm2moment (get_property ("measurePosition"), Moment (0)));
- if (new_req_)
+ if (last_rest_)
{
- busy_span_req_ = new_req_;
- new_req_ =0;
+ last_rest_ = 0;
+ last_numbers_.clear ();
}
text_events_.clear ();
void
Multi_measure_rest_engraver::start_translation_timestep ()
{
- SCM smp = get_property ("measurePosition");
- Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
-
- if (mmrest_ && !mp.to_bool ())
+ if (now_mom ().main_part_ >= stop_moment_.main_part_)
+ {
+ rest_ev_ = 0;
+ }
+
+ bar_seen_ = false;
+
+ Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
+
+ Moment now = now_mom ();
+ if (mmrest_
+ && now.main_part_ != last_main_moment_
+ && mp.main_part_ == Rational (0))
{
last_rest_ = mmrest_;
last_numbers_ = numbers_;
-
- int cur = gh_scm2int (get_property ("currentBarNumber"));
+
+ int cur = scm_to_int (get_property ("currentBarNumber"));
int num = cur - start_measure_;
- last_rest_->set_grob_property ("measure-count", gh_int2scm (num));
+
+ /*
+ We can't plug a markup directly into the grob, since the
+ measure-count determines the formatting of the mmrest.
+ */
+ last_rest_->set_property ("measure-count", scm_int2num (num));
SCM sml = get_property ("measureLength");
Rational ml = (unsmob_moment (sml)) ? unsmob_moment (sml)->main_part_ : Rational (1);
if (ml >= Rational (2))
{
- last_rest_->set_grob_property ("use-breve-rest", SCM_BOOL_T);
+ last_rest_->set_property ("use-breve-rest", SCM_BOOL_T);
}
mmrest_ = 0;
-
- Grob * last = last_numbers_.size() ? last_numbers_[0] : 0;
- if (last && last->get_grob_property ("text") == SCM_EOL)
+ numbers_.clear ();
+
+ 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 (gh_number_p (thres))
- t = gh_scm2int (thres);
+ if (scm_is_number (thres))
+ t = scm_to_int (thres);
if (num <= t)
- last->suicide();
+ last->suicide ();
else
{
SCM text
- = scm_number_to_string (gh_int2scm (num), SCM_MAKINUM (10));
- last->set_grob_property ("text", text);
+ = scm_number_to_string (scm_int2num (num), scm_from_int (10));
+ last->set_property ("text", text);
}
}
}
+
+ last_main_moment_ = now.main_part_;
}
void
Multi_measure_rest_engraver::finalize ()
{
- if (mmrest_)
- {
- typeset_grob (mmrest_);
- }
- if (last_rest_)
- {
- typeset_grob (last_rest_);
- }
-
- for (int i = 0; i < last_numbers_.size ();i++)
- typeset_grob (last_numbers_[i]);
-
- for (int i = 0; i < numbers_.size ();i++)
- typeset_grob (numbers_[i]);
-
}
-ENTER_DESCRIPTION(Multi_measure_rest_engraver,
+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 "
/* creats*/ "MultiMeasureRest MultiMeasureRestNumber MultiMeasureRestText",
/* accepts */ "multi-measure-rest-event multi-measure-text-event",
/* acks */ "",
-/* reads */ "currentBarNumber restNumberThreshold currentCommandColumn measurePosition measureLength",
+/* reads */ "currentBarNumber restNumberThreshold breakableSeparationItem currentCommandColumn measurePosition measureLength",
/* write */ "");
projects / lilypond.git / blobdiff