/*
- rest-grav.cc -- implement Rest_engraver
+ rest-engraver.cc -- implement Rest_engraver
source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
+
+#include "engraver.hh"
+
+#include "duration.hh"
+#include "item.hh"
#include "staff-symbol-referencer.hh"
-#include "rest-engraver.hh"
-#include "musical-request.hh"
#include "dots.hh"
-#include "rest.hh"
+#include "rhythmic-head.hh"
+#include "music.hh"
+
+class Rest_engraver : public Engraver
+{
+ Music *rest_event_;
+ Item *dot_;
+ Grob *rest_;
+protected:
+ virtual bool try_music (Music *);
+ void start_translation_timestep ();
+ void process_music ();
+
+public:
+ TRANSLATOR_DECLARATIONS (Rest_engraver);
+};
+
/*
Should merge with Note_head_engraver
- */
+*/
Rest_engraver::Rest_engraver ()
{
- rest_req_l_ =0;
- rest_p_ =0;
- dot_p_ =0;
+ rest_event_ = 0;
+ rest_ = 0;
+ dot_ = 0;
}
void
-Rest_engraver::do_post_move_processing ()
+Rest_engraver::start_translation_timestep ()
{
- rest_req_l_ =0;
+ rest_event_ = 0;
+ rest_ = 0;
+ dot_ = 0;
}
void
-Rest_engraver::do_pre_move_processing ()
+Rest_engraver::process_music ()
{
- if (rest_p_)
- {
- typeset_element (rest_p_);
- rest_p_ =0;
- }
- if (dot_p_)
+ if (rest_event_ && !rest_)
{
- typeset_element (dot_p_);
- dot_p_ =0;
- }
-}
+ rest_ = make_item ("Rest", rest_event_->self_scm ());
-void
-Rest_engraver::do_process_requests ()
-{
- if (rest_req_l_ && !rest_p_)
- {
- rest_p_ = new Rest;
- Staff_symbol_referencer_interface si (rest_p_);
- si.set_interface ();
-
- rest_p_->set_elt_property ("duration-log",
- gh_int2scm (rest_req_l_->duration_.durlog_i_));
-
- if (rest_req_l_->duration_.dots_i_)
+ int durlog = unsmob_duration (rest_event_->get_property ("duration"))->duration_log ();
+
+ rest_->set_property ("duration-log",
+ scm_from_int (durlog));
+
+ int dots = unsmob_duration (rest_event_->get_property ("duration"))->dot_count ();
+
+ if (dots)
{
- dot_p_ = new Dots;
-
- Staff_symbol_referencer_interface si (dot_p_);
- si.set_interface ();
-
- rest_p_->add_dots (dot_p_);
- dot_p_->set_elt_property ("dot-count",
- gh_int2scm (rest_req_l_->duration_.dots_i_));
- announce_element (Score_element_info (dot_p_,0));
+ dot_ = make_item ("Dots", SCM_EOL);
+
+ Rhythmic_head::set_dots (rest_, dot_);
+ dot_->set_parent (rest_, Y_AXIS);
+ dot_->set_property ("dot-count", scm_from_int (dots));
}
- announce_element (Score_element_info (rest_p_, rest_req_l_));
+ Pitch *p = unsmob_pitch (rest_event_->get_property ("pitch"));
+
+ /*
+ This is ridiculous -- rests don't have pitch, but we act as if
+ our nose is bleeding.
+ */
+ if (p)
+ {
+ int pos = p->steps ();
+ SCM c0 = get_property ("middleCPosition");
+ if (scm_is_number (c0))
+ pos += scm_to_int (c0);
+
+ rest_->set_property ("staff-position", scm_from_int (pos));
+ }
}
}
bool
-Rest_engraver::do_try_music (Music *req)
+Rest_engraver::try_music (Music *m)
{
- if (Rest_req *r = dynamic_cast <Rest_req *> (req))
+ if (m->is_mus_type ("rest-event"))
{
- rest_req_l_ = r;
+ rest_event_ = m;
return true;
- }
+ }
return false;
}
+#include "translator.icc"
-ADD_THIS_TRANSLATOR(Rest_engraver);
+ADD_TRANSLATOR (Rest_engraver,
+ /* doc */ "",
+ /* create */ "Rest Dots",
+ /* accept */ "rest-event",
+ /* read */ "middleCPosition",
+ /* write */ "");