/*
multi_measure_rest-engraver.cc -- implement Multi_measure_rest_engraver
- (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
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_;
+
+ Spanner *last_rest_;
Spanner *mmrest_;
- Spanner *number_;
- Spanner *last_number_;
- Spanner *last_rest_;
+ Link_array<Spanner> numbers_;
+ Link_array<Spanner> last_numbers_;
};
Multi_measure_rest_engraver::Multi_measure_rest_engraver ()
{
+ bar_seen_ = false;
start_measure_ = 0;
mmrest_ = 0;
last_rest_ =0;
- number_ = 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"))
+ {
+ text_events_.push (req);
return true;
}
return false;
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_)
- {
- busy_span_req_ =0;
- stop_req_ = 0;
- }
-
- if (new_req_)
+ if (rest_ev_ && !mmrest_
+ && stop_moment_ > now_mom ())
{
- busy_span_req_ = new_req_;
- new_req_ =0;
- }
+ mmrest_ = make_spanner ("MultiMeasureRest");
- if (busy_span_req_ && !mmrest_)
- {
- mmrest_ = new Spanner (get_property ("MultiMeasureRest"));
- number_ = new Spanner (get_property ("MultiMeasureRestNumber"));
+ if (text_events_.size())
+ {
+ for (int i = 0; i < text_events_.size(); i++)
+ {
+ Spanner *sp
+ = make_spanner ("MultiMeasureRestText");
- Side_position_interface::add_support (number_, mmrest_);
- number_->set_parent (mmrest_, Y_AXIS);
+ 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 (is_direction (dir))
+ sp->set_grob_property ("direction",dir);
+
+ numbers_.push (sp);
+ announce_grob (sp, e->self_scm());
+ }
- announce_grob (mmrest_, busy_span_req_->self_scm());
- announce_grob (number_, busy_span_req_->self_scm());
+ /*
+ Stack different scripts.
+ */
+ Direction d = DOWN;
+ do {
+ Grob *last =0;
+ for (int i=0; i <numbers_.size(); i++)
+ {
+ if (gh_int2scm (d) == numbers_[i]->get_grob_property ("direction"))
+ {
+ if (last)
+ Side_position_interface::add_support (numbers_[i], last);
+ last = numbers_[i];
+ }
+ }
+ } while (flip (&d) != DOWN);
+ }
+ else
+ {
+ Spanner *sp
+ = make_spanner ("MultiMeasureRestNumber");
+ numbers_.push (sp);
+ announce_grob (sp, rest_ev_->self_scm());
+ }
+
+ 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_, rest_ev_->self_scm());
start_measure_
= gh_scm2int (get_property ("currentBarNumber"));
}
- if (gh_string_p (get_property ("whichBar")))
+ bar_seen_ = gh_string_p (get_property ("whichBar"));
+}
+
+void
+Multi_measure_rest_engraver::stop_translation_timestep ()
+{
+ /*
+ We can not do this earlier, as breakableSeparationItem is not yet there.
+ */
+
+ if (bar_seen_)
{
- Grob *cmc = unsmob_grob (get_property( "currentCommandColumn"));
+ Grob *cmc = unsmob_grob (get_property("breakableSeparationItem"));
+ if (!cmc)
+ cmc = unsmob_grob (get_property ("currentCommandColumn"));
+
Item *it = dynamic_cast<Item*> (cmc);
+
if (mmrest_)
{
add_bound_item (mmrest_, it);
- add_bound_item (number_, it);
+ for (int i = 0; i < numbers_.size(); i++)
+ add_bound_item (numbers_[i], it);
}
+
if (last_rest_)
{
add_bound_item (last_rest_,it);
- add_bound_item (last_number_, it);
+ for (int i = 0; i < last_numbers_.size(); i++)
+ add_bound_item (last_numbers_[i], it);
}
}
-}
-
-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_)
+ if (mmrest_
&& !mp.to_bool ()
&& mmrest_->get_bound (LEFT) && mmrest_->get_bound (RIGHT))
{
typeset_grob (mmrest_);
- typeset_grob (number_);
- Side_position_interface::add_staff_support (number_);
+ for (int i = 0 ; i < numbers_.size(); i++)
+ {
+ typeset_grob (numbers_[i]);
+ }
+
/*
we must keep mmrest_ around to set measure-count, so
no mmrest_ = 0 here.
*/
-
-
}
if (last_rest_)
&& last_rest_->get_bound (LEFT) != last_rest_->get_bound (RIGHT))
{
typeset_grob (last_rest_);
- typeset_grob (last_number_);
+
+ for (int i = 0; i < last_numbers_.size ();i++)
+ {
+ typeset_grob (last_numbers_[i]);
+ }
}
last_rest_ = 0;
- last_number_ = 0;
+ last_numbers_.clear();
}
- if (new_req_)
- {
- busy_span_req_ = new_req_;
- new_req_ =0;
- }
-
+ text_events_.clear ();
}
void
Multi_measure_rest_engraver::start_translation_timestep ()
{
+ if (now_mom ().main_part_ >= stop_moment_.main_part_)
+ {
+ rest_ev_ = 0;
+ }
+
+ bar_seen_ = false;
+
SCM smp = get_property ("measurePosition");
Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
-
- if (mmrest_ && !mp.to_bool ())
+
+ Moment now =now_mom ();
+ if (mmrest_
+ && now.main_part_ != last_main_moment_
+ && mp.main_part_ == Rational (0))
{
last_rest_ = mmrest_;
- last_number_ = number_;
-
+ last_numbers_ = numbers_;
+
int cur = gh_scm2int (get_property ("currentBarNumber"));
int num = cur - start_measure_;
last_rest_->set_grob_property ("measure-count", gh_int2scm (num));
}
mmrest_ = 0;
-
- SCM text =last_number_->get_grob_property ("text");
- SCM thres = get_property ("restNumberThreshold");
- int t = 1;
- if (gh_number_p (thres))
- t = gh_scm2int (thres);
+ numbers_.clear ();
- if (text == SCM_EOL && num <= t)
- last_number_->suicide();
- else if (text == SCM_EOL)
+ Grob * last = last_numbers_.size() ? last_numbers_[0] : 0;
+ if (last && last->get_grob_property ("text") == SCM_EOL)
{
- text = scm_number_to_string (gh_int2scm (num), SCM_MAKINUM (10));
- last_number_->set_grob_property ("text", text);
+ SCM thres = get_property ("restNumberThreshold");
+ int t = 1;
+ if (gh_number_p (thres))
+ t = gh_scm2int (thres);
+
+ if (num <= t)
+ last->suicide();
+ else
+ {
+ SCM text
+ = scm_number_to_string (gh_int2scm (num), SCM_MAKINUM (10));
+ last->set_grob_property ("text", text);
+ }
}
}
-}
+ last_main_moment_ = now.main_part_;
+}
void
Multi_measure_rest_engraver::finalize ()
if (mmrest_)
{
typeset_grob (mmrest_);
- typeset_grob (number_);
}
if (last_rest_)
{
typeset_grob (last_rest_);
- typeset_grob (last_number_);
}
+
+ 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,
"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",
-/* accepts */ "multi-measure-rest-event",
+/* 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