source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "all-font-metrics.hh"
-#include "afm.hh"
-#include "warn.hh"
-#include "main.hh"
-#include "system.hh"
#include "score-engraver.hh"
-#include "paper-score.hh"
-#include "paper-column.hh"
-#include "output-def.hh"
+
+#include "all-font-metrics.hh"
#include "axis-group-interface.hh"
#include "context-def.hh"
+#include "dispatcher.hh"
#include "global-context.hh"
+#include "international.hh"
+#include "main.hh"
#include "open-type-font.hh"
+#include "output-def.hh"
#include "paper-column-engraver.hh"
+#include "paper-column.hh"
+#include "paper-score.hh"
+#include "stream-event.hh"
+#include "system.hh"
+#include "warn.hh"
-/*
- TODO: the column creation logic is rather hairy. Revise it.
-*/
Score_engraver::Score_engraver ()
{
system_ = 0;
if (pscore_)
scm_gc_mark (pscore_->self_scm ());
Score_translator::derived_mark ();
- Engraver_group_engraver::derived_mark ();
+ Engraver_group::derived_mark ();
}
-
+IMPLEMENT_LISTENER (Score_engraver, prepare);
void
-Score_engraver::prepare (Moment m)
+Score_engraver::prepare (SCM)
{
- (void) m;
-
precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, DOWN);
}
+IMPLEMENT_LISTENER (Score_engraver, finish);
void
-Score_engraver::finish ()
+Score_engraver::finish (SCM)
{
recurse_over_translators (context (), &Translator::finalize,
&Translator_group::finalize,
+ "\n"
+ _ ("Music font has not been installed properly.")
+ "\n"
- + _f ("Search path `%s'", global_path.to_string ().to_str0 ())
+ + _f ("Search path `%s'", global_path.to_string ().c_str ())
+ "\n"
+ _ ("Aborting"));
}
pscore_ = new Paper_score (dynamic_cast<Output_def *> (context ()->get_output_def ()));
- pscore_->unprotect ();
+ pscore_->unprotect ();
SCM props = updated_grob_properties (context (), ly_symbol2scm ("System"));
Object_key const *sys_key = context ()->get_grob_key ("System");
pscore_->typeset_system (new System (props, sys_key));
+
system_ = pscore_->root_system ();
- context ()->set_property ("rootSystem", system_->self_scm ());
+ context ()->set_property ("rootSystem", system_->self_scm ());
+
+ Engraver_group::initialize ();
+}
+
+void
+Score_engraver::connect_to_context (Context *c)
+{
+ Engraver_group::connect_to_context (c);
- Engraver_group_engraver::initialize ();
+ Dispatcher *d = c->get_global_context ()->event_source ();
+ d->add_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep"));
+ d->add_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare"));
+ d->add_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish"));
+}
+
+void
+Score_engraver::disconnect_from_context ()
+{
+ Dispatcher *d = context ()->get_global_context ()->event_source ();
+ d->remove_listener (GET_LISTENER (one_time_step), ly_symbol2scm ("OneTimeStep"));
+ d->remove_listener (GET_LISTENER (prepare), ly_symbol2scm ("Prepare"));
+ d->remove_listener (GET_LISTENER (finish), ly_symbol2scm ("Finish"));
+
+ Engraver_group::disconnect_from_context ();
}
void
typeset_all ();
}
+IMPLEMENT_LISTENER(Score_engraver, one_time_step);
void
-Score_engraver::one_time_step ()
+Score_engraver::one_time_step (SCM)
{
if (!to_boolean (context ()->get_property ("skipTypesetting")))
{
precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
- Engraver_group_engraver::do_announces ();
+ Engraver_group::do_announces ();
}
precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
void
Score_engraver::announce_grob (Grob_info info)
{
- announce_infos_.push (info);
- pscore_->root_system ()->typeset_grob (info.grob ());
- elems_.push (info.grob ());
+ Engraver_group::announce_grob (info);
+ if (info.start_end () == START)
+ {
+ pscore_->root_system ()->typeset_grob (info.grob ());
+ elems_.push_back (info.grob ());
+ }
}
void
Score_engraver::typeset_all ()
{
- for (int i = 0; i < elems_.size (); i++)
+ for (vsize i = 0; i < elems_.size (); i++)
{
Grob *elem = elems_[i];
return o->self_scm ();
}
-
-/*
- UGH UGH
- */
-void
-Score_engraver::forbid_breaks ()
-{
- for (SCM s = simple_trans_list_; scm_is_pair (s); s = scm_cdr (s))
- {
- Translator *tr = unsmob_translator (scm_car (s));
- if (Paper_column_engraver* pce = dynamic_cast<Paper_column_engraver*> (tr))
- {
- pce->forbid_breaks ();
- }
- }
-}
-
bool
Score_engraver::try_music (Music *m)
{
- if (Engraver_group_engraver::try_music (m))
+ if (Engraver_group::try_music (m))
return true;
return false;
}
ADD_TRANSLATOR_GROUP (Score_engraver,
- /* descr */ "Top level engraver. Takes care of generating columns and the complete system (ie. System) "
- "\n\n "
- "This engraver decides whether a column is breakable. The default is "
- "that a column is always breakable. However, when every Bar_engraver "
- "that does not have a barline at a certain point will call "
- "Score_engraver::forbid_breaks to stop linebreaks. In practice, this "
- "means that you can make a breakpoint by creating a barline (assuming "
- "that there are no beams or notes that prevent a breakpoint.) ",
- /* creats*/ "System PaperColumn NonMusicalPaperColumn",
- /* accepts */ "break-event",
- /* reads */ "currentMusicalColumn currentCommandColumn verticallySpacedContexts",
- /* write */ "");
+ /* doc */ "Top level engraver. Takes care of generating columns and the complete system (ie. System) "
+ "\n\n "
+ "This engraver decides whether a column is breakable. The default is "
+ "that a column is always breakable. However, every Bar_engraver "
+ "that does not have a barline at a certain point will set "
+ "forbidBreaks to stop linebreaks. In practice, this "
+ "means that you can make a breakpoint by creating a barline (assuming "
+ "that there are no beams or notes that prevent a breakpoint.) ",
+ /* create */
+ "System ",
+
+ /* accept */
+ "break-event",
+
+ /* read */
+ "currentMusicalColumn "
+ "currentCommandColumn "
+ "verticallySpacedContexts",
+
+ /* write */
+ "");
projects / lilypond.git / blobdiff