/*
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--2008 Jan Nieuwenhuizen <janneke@gnu.org>
+ Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "event.hh"
#include "multi-measure-rest.hh"
#include "paper-column.hh"
-#include "engraver-group-engraver.hh"
+#include "engraver-group.hh"
#include "side-position-interface.hh"
#include "staff-symbol-referencer.hh"
-#include "engraver.hh"
+#include "stream-event.hh"
#include "moment.hh"
#include "spanner.hh"
-/**
- The name says it all: make multi measure rests
+#include "translator.icc"
+/**
+ 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 ();
+ void process_music ();
+ void stop_translation_timestep ();
+ void start_translation_timestep ();
virtual void finalize ();
+ DECLARE_TRANSLATOR_LISTENER (multi_measure_rest);
+ DECLARE_TRANSLATOR_LISTENER (multi_measure_text);
private:
- Music * rest_ev_;
- Link_array<Music> text_events_;
+ Stream_event *rest_ev_;
+ vector<Stream_event*> text_events_;
int start_measure_;
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> last_numbers_;
+ vector<Spanner*> numbers_;
+ vector<Spanner*> last_numbers_;
};
Multi_measure_rest_engraver::Multi_measure_rest_engraver ()
{
- bar_seen_ = false;
+ last_command_item_ = 0;
+
+ /*
+ 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)
+IMPLEMENT_TRANSLATOR_LISTENER (Multi_measure_rest_engraver, multi_measure_rest);
+void
+Multi_measure_rest_engraver::listen_multi_measure_rest (Stream_event *ev)
{
- if (req->is_mus_type ("multi-measure-rest-event"))
- {
- 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;
+ /* FIXME: Should use ASSIGN_EVENT_ONCE. Can't do that yet because of
+ the kill-mm-rests hack in part-combine-iterator. */
+ rest_ev_ = ev;
+ stop_moment_ = now_mom () + get_event_length (rest_ev_, now_mom ());
+ /*
+ if (ASSIGN_EVENT_ONCE (rest_ev_, ev))
+ stop_moment_ = now_mom () + get_event_length (rest_ev_);
+ */
+}
+
+IMPLEMENT_TRANSLATOR_LISTENER (Multi_measure_rest_engraver, multi_measure_text);
+void
+Multi_measure_rest_engraver::listen_multi_measure_text (Stream_event *ev)
+{
+ text_events_.push_back (ev);
}
void
if (rest_ev_ && !mmrest_
&& stop_moment_ > now_mom ())
{
- mmrest_ = make_spanner ("MultiMeasureRest");
+ mmrest_ = make_spanner ("MultiMeasureRest", rest_ev_->self_scm ());
+
+ Spanner *sp
+ = make_spanner ("MultiMeasureRestNumber", rest_ev_->self_scm ());
+ numbers_.push_back (sp);
if (text_events_.size ())
{
- for (int i = 0; i < text_events_.size (); i++)
+ for (vsize i = 0; i < text_events_.size (); i++)
{
+ Stream_event *e = text_events_[i];
Spanner *sp
- = make_spanner ("MultiMeasureRestText");
-
- Music* e = text_events_[i];
+ = 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);
-
- numbers_.push (sp);
- announce_grob (sp, e->self_scm ());
+ sp->set_property ("direction", dir);
+
+ numbers_.push_back (sp);
}
/*
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_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 ());
+ */
+ Direction d = DOWN;
+ do
+ {
+ Grob *last = 0;
+ for (vsize i = 0; i < numbers_.size (); i++)
+ {
+ if (scm_from_int (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 (vsize 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"));
+ = scm_to_int (get_property ("internalBarNumber"));
}
- bar_seen_ = gh_string_p (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.
+
+ Actually, we no longer use breakableSeparationItem -- should this be moved?
+ -- jneem */
if (bar_seen_)
{
- 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);
- 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);
- }
+ Grob *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);
}
-
- SCM smp = get_property ("measurePosition");
- Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
- if (mmrest_
- && !mp.to_bool ()
- && mmrest_->get_bound (LEFT) && mmrest_->get_bound (RIGHT))
+ if (last_command_item_ && (mmrest_ || last_rest_))
{
- typeset_grob (mmrest_);
- for (int i = 0 ; i < numbers_.size (); i++)
+ if (last_rest_)
{
- typeset_grob (numbers_[i]);
+ add_bound_item (last_rest_, last_command_item_);
+ for (vsize i = 0; i < last_numbers_.size (); i++)
+ add_bound_item (last_numbers_[i], last_command_item_);
}
-
- /*
- we must keep mmrest_ around to set measure-count, so
- no mmrest_ = 0 here.
- */
- }
- if (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 (mmrest_)
{
- typeset_grob (last_rest_);
+ add_bound_item (mmrest_, last_command_item_);
+ for (vsize i = 0; i < numbers_.size (); i++)
+ add_bound_item (numbers_[i], last_command_item_);
- for (int i = 0; i < last_numbers_.size ();i++)
- {
- typeset_grob (last_numbers_[i]);
- }
+ last_command_item_ = 0;
}
+ }
+
+ Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
+ if (last_rest_)
+ {
last_rest_ = 0;
last_numbers_.clear ();
}
text_events_.clear ();
+ bar_seen_ = false;
}
void
Multi_measure_rest_engraver::start_translation_timestep ()
{
if (now_mom ().main_part_ >= stop_moment_.main_part_)
- {
- rest_ev_ = 0;
- }
-
- bar_seen_ = false;
+ rest_ev_ = 0;
- SCM smp = get_property ("measurePosition");
- Moment mp = (unsmob_moment (smp)) ? *unsmob_moment (smp) : Moment (0);
+ Moment mp (robust_scm2moment (get_property ("measurePosition"), Moment (0)));
- Moment now =now_mom ();
+ 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 ("internalBarNumber"));
int num = cur - start_measure_;
/*
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", gh_int2scm (num));
+ last_rest_->set_property ("measure-count", scm_from_int (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_property ("use-breve-rest", SCM_BOOL_T);
- }
+ last_rest_->set_property ("use-breve-rest", SCM_BOOL_T);
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 (gh_number_p (thres))
- t = gh_scm2int (thres);
-
+ if (scm_is_number (thres))
+ t = scm_to_int (thres);
+
if (num <= t)
last->suicide ();
- else
+ else
{
SCM text
- = scm_number_to_string (gh_int2scm (num), SCM_MAKINUM (10));
+ = scm_number_to_string (scm_from_int (num), scm_from_int (10));
last->set_property ("text", text);
}
}
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,
-/* 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 */ "");
+ADD_TRANSLATOR (Multi_measure_rest_engraver,
+ /* doc */
+ "Engrave multi-measure rests that are produced with"
+ " @samp{R}. It reads @code{measurePosition} and"
+ " @code{internalBarNumber} to determine what number to print"
+ " over the @ref{MultiMeasureRest}. Reads @code{measureLength}"
+ " to determine whether it should use a whole rest or a breve"
+ " rest to represent one measure.",
+
+ /* create */
+ "MultiMeasureRest "
+ "MultiMeasureRestNumber "
+ "MultiMeasureRestText ",
+
+ /* read */
+ "internalBarNumber "
+ "restNumberThreshold "
+ "breakableSeparationItem "
+ "currentCommandColumn "
+ "measurePosition "
+ "measureLength ",
+
+ /* write */
+ ""
+ );
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