/*
timing-translator.cc -- implement Timing_translator
+
source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include "debug.hh"
#include "timing-translator.hh"
#include "command-request.hh"
#include "translator-group.hh"
#include "global-translator.hh"
#include "multi-measure-rest.hh"
+/*
+ TODO: change the rest of lily, so communication with
+ Timing_translator is only done through properties. This means the
+ class declaration can go here. */
+
bool
Timing_translator::do_try_music (Music*r)
{
{
for (int i=0; i < timing_req_l_arr_.size (); i++)
{
+ /*
+ merge timing reqs.
+ */
if (timing_req_l_arr_[i]->equal_b(t))
return true;
if (String (classname (timing_req_l_arr_[i])) == classname (r))
{
- r->warning (_ ("conflicting timing request"));
+ r->origin ()->warning (_ ("conflicting timing request"));
+ timing_req_l_arr_[i]->origin ()->warning (_("This is the other timing request"));
return false;
}
}
+
+ /*
+ We have to do this soon enough. Maybe we'd better disguise
+ \time as a \property. Then all settings will be `immediate'.
+ */
+ if (Time_signature_change_req *c
+ = dynamic_cast <Time_signature_change_req *> (t))
+ set_time_signature (c->beats_i_, c->one_beat_i_);
timing_req_l_arr_.push(t);
return true;
return false;
}
-/*ugh.
- */
-Time_signature_change_req*
-Timing_translator::time_signature_req_l() const
-{
- Time_signature_change_req *m_l=0;
- for (int i=0; !m_l && i < timing_req_l_arr_.size (); i++)
- {
- m_l=dynamic_cast<Time_signature_change_req*> (timing_req_l_arr_[i]);
- }
- return m_l;
-}
-
void
-Timing_translator::do_process_requests()
+Timing_translator::do_process_music()
{
for (int i=0; i < timing_req_l_arr_.size (); i++)
{
- Timing_req * tr_l = timing_req_l_arr_[i];
-
- if (Time_signature_change_req *m_l = dynamic_cast <Time_signature_change_req *> (tr_l))
- {
- int b_i= m_l->beats_i_;
- int o_i = m_l->one_beat_i_;
- if (! time_.allow_time_signature_change_b())
- tr_l->warning (_ ("time signature change not allowed here"));
- else
- {
- time_.set_time_signature (b_i, o_i);
- }
- }
- else if (Partial_measure_req *pm = dynamic_cast <Partial_measure_req *> (tr_l))
- {
- Moment m = pm->length_mom_;
- String error = time_.try_set_partial_str (m);
- if (error.length_i ())
- {
- tr_l->warning (error);
- }
- else
- time_.setpartial (m);
- }
- else if (dynamic_cast <Barcheck_req *> (tr_l))
+ if (!dynamic_cast <Barcheck_req *> (timing_req_l_arr_[i]))
+ continue;
+ if (measure_position ())
{
- if (time_.whole_in_measure_)
- {
- tr_l ->warning (_f ("barcheck failed at: %s",
- time_.whole_in_measure_.str ()));
+ timing_req_l_arr_[i]->origin ()->warning (_f ("barcheck failed at: %s",
+ measure_position ().str ()));
+ Moment zero;
- time_.whole_in_measure_ = 0; // resync
- }
+ // resync
+ daddy_trans_l_->set_property("measurePosition", zero.make_scm ());
}
- else if (Cadenza_req *cr = dynamic_cast <Cadenza_req *> (tr_l))
- {
- time_.set_cadenza (cr->on_b_);
- }
- }
-
- Translator_group * tr=0;
-
- SCM barn = get_property ("currentBarNumber", &tr);
- if (gh_number_p(barn))
- {
- time_.bars_i_ = gh_scm2int (barn);
- tr->set_property ("currentBarNumber", SCM_UNDEFINED);
}
}
-
void
Timing_translator::do_pre_move_processing()
{
while (!global_l);
/* allbars == ! skipbars */
- SCM sb = get_property ("skipBars", 0);
- bool allbars = !(gh_boolean_p (sb)&&gh_scm2bool (sb));
+ SCM sb = get_property ("skipBars");
+ bool allbars = !to_boolean (sb);
// urg: multi bar rests: should always process whole of first bar?
- if (!time_.cadenza_b_ && allbars)
- global_l->add_moment_to_process (time_.next_bar_moment ());
+ SCM tim = get_property ("timing");
+ bool timb = to_boolean (tim);
+ if (timb && allbars)
+ {
+ Moment barleft = (measure_length () - measure_position ());
+
+ if (barleft > Moment (0))
+ global_l->add_moment_to_process (now_mom () + barleft);
+ }
}
void
Timing_translator::do_creation_processing()
{
- time_.when_ = now_mom ();
+ Moment m;
+ daddy_trans_l_->set_property ("timing" , SCM_BOOL_T);
+ daddy_trans_l_->set_property ("currentBarNumber" , gh_int2scm (1));
+ daddy_trans_l_->set_property ("measurePosition", m.make_scm ());
+ daddy_trans_l_->set_property ("beatLength", Moment (1,4).make_scm ());
+ daddy_trans_l_->set_property ("measureLength", Moment (1).make_scm());
+ daddy_trans_l_->set_property ("timeSignatureFraction",
+ gh_cons (gh_int2scm (4), gh_int2scm (4)));
}
+Moment
+Timing_translator::measure_length () const
+{
+ SCM l = get_property("measureLength");
+ if (unsmob_moment(l))
+ return *unsmob_moment (l);
+ else
+ return Moment (1);
+}
+
+
void
-Timing_translator::do_post_move_processing()
+Timing_translator::set_time_signature (int l, int o)
{
- time_.add (now_mom () - time_.when_);
+ Moment one_beat = Moment (1)/Moment (o);
+ Moment len = Moment (l) * one_beat;
+ daddy_trans_l_->set_property ("measureLength", len.make_scm ());
+ daddy_trans_l_->set_property ("beatLength", one_beat.make_scm ());
+ daddy_trans_l_->set_property ("timeSignatureFraction",
+ gh_cons (gh_int2scm (l), gh_int2scm (o)));
+}
+
+Timing_translator::Timing_translator()
+{
+}
+Moment
+Timing_translator::measure_position () const
+{
+ SCM sm = get_property ("measurePosition");
+
+ Moment m =0;
+ if (unsmob_moment (sm))
+ {
+ m = *unsmob_moment(sm);
+ while (m < Moment (0))
+ m += measure_length ();
+ }
+
+ return m;
}
void
-Timing_translator::do_print () const
+Timing_translator::do_post_move_processing()
{
-#ifndef NPRINT
- time_.print ();
-#endif
+ Translator *t = this;
+ Global_translator *global_l =0;
+ do
+ {
+ t = t->daddy_trans_l_ ;
+ global_l = dynamic_cast<Global_translator*> (t);
+ }
+ while (!global_l);
+
+ Moment dt = global_l->now_mom_ - global_l -> prev_mom_;
+ if (dt < Moment (0))
+ {
+ programming_error ("Moving backwards in time");
+ dt = 0;
+ }
+
+ if (!dt)
+ return;
+
+ Moment measposp;
+
+ SCM s = get_property ("measurePosition");
+ if (unsmob_moment (s))
+ {
+ measposp = *unsmob_moment(s);
+ }
+ else
+ {
+ daddy_trans_l_->set_property ("measurePosition", measposp.make_scm());
+ }
+
+ measposp += dt;
+
+ SCM barn = get_property ("currentBarNumber");
+ int b = 0;
+ if (gh_number_p(barn))
+ {
+ b = gh_scm2int (barn);
+ }
+
+ SCM cad = get_property ("timing");
+ bool c= to_boolean (cad );
+
+ Moment len = measure_length ();
+ while (c && measposp >= len)
+ {
+ measposp -= len;
+ b ++;
+ }
+
+ daddy_trans_l_->set_property ("currentBarNumber", gh_int2scm (b));
+ daddy_trans_l_->set_property ("measurePosition", measposp.make_scm());
}
+
projects / lilypond.git / blobdiff