]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/chord-name-engraver.cc
* lily/open-type-font.cc (load_scheme_table): new function
[lilypond.git] / lily / chord-name-engraver.cc
index 969fa9c18ca6b2db0425b9fa4b6418bc9ba3d45a..44c1333d7a383a333261c813594a87ed03e12b8c 100644 (file)
@@ -3,40 +3,51 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1998--2003 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include "engraver.hh"
 #include "chord-name.hh"
-#include "event.hh"
-#include "paper-def.hh"
+#include "output-def.hh"
 #include "font-interface.hh"
-#include "paper-def.hh"
-#include "main.hh"
+#include "output-def.hh"
 #include "dimensions.hh"
 #include "item.hh"
-#include "pitch.hh"
 #include "protected-scm.hh"
-#include "translator-group.hh"
+#include "context.hh"
 #include "warn.hh"
 
 class Chord_name_engraver : public Engraver 
 {
-  TRANSLATOR_DECLARATIONS( Chord_name_engraver);
+  TRANSLATOR_DECLARATIONS ( Chord_name_engraver);
 protected:
   virtual void stop_translation_timestep ();
   virtual void process_music ();
   virtual bool try_music (Music *);
-
+  virtual void finalize ();
+  virtual void derived_mark () const;
 private:
   void add_note (Music *);
   
   Item* chord_name_;
   Link_array<Music> notes_;
   
-  Protected_scm last_chord_;
+  SCM last_chord_;
 };
 
+
+
+void
+Chord_name_engraver::finalize ()
+{
+}
+
+void
+Chord_name_engraver::derived_mark() const
+{
+  scm_gc_mark (last_chord_);
+}
+
 Chord_name_engraver::Chord_name_engraver ()
 {
   chord_name_ = 0;
@@ -52,7 +63,7 @@ Chord_name_engraver::add_note (Music * n)
 void
 Chord_name_engraver::process_music ()
 {
-  if (!notes_.size() )
+  if (!notes_.size () )
     return;
   
   SCM bass = SCM_EOL;
@@ -60,34 +71,34 @@ Chord_name_engraver::process_music ()
   SCM pitches = SCM_EOL;
 
   Music* inversion_event = 0;
-  for (int i =0 ; i < notes_.size (); i++)
+  for (int i = 0 ; i < notes_.size (); i++)
     {
       Music *n = notes_[i];
-      SCM p = n->get_mus_property ("pitch");
+      SCM p = n->get_property ("pitch");
       if (!unsmob_pitch (p))
        continue;
       
-      if (n->get_mus_property ("inversion") == SCM_BOOL_T)
+      if (n->get_property ("inversion") == SCM_BOOL_T)
        {
          inversion_event = n;
          inversion = p;
        }
-      else if (n->get_mus_property ("bass") == SCM_BOOL_T)
+      else if (n->get_property ("bass") == SCM_BOOL_T)
        bass = p;
       else
-       pitches = gh_cons (p, pitches);
+       pitches = scm_cons (p, pitches);
     }
 
   if (inversion_event)
     {
-      SCM oct = inversion_event->get_mus_property ("octavation");
-      if (gh_number_p (oct))
+      SCM oct = inversion_event->get_property ("octavation");
+      if (scm_is_number (oct))
        {
-         Pitch *p = unsmob_pitch (inversion_event->get_mus_property ("pitch"));
-         int octavation =  gh_scm2int (oct);
+         Pitch *p = unsmob_pitch (inversion_event->get_property ("pitch"));
+         int octavation =  scm_to_int (oct);
          Pitch orig = p->transposed (Pitch (-octavation, 0,0));
          
-         pitches= gh_cons (orig.smobbed_copy (), pitches);
+         pitches = scm_cons (orig.smobbed_copy (), pitches);
        }
       else
        programming_error ("Inversion does not have original pitch.");
@@ -97,20 +108,20 @@ Chord_name_engraver::process_music ()
 
   SCM name_proc = get_property ("chordNameFunction");
   SCM markup = scm_call_4 (name_proc, pitches, bass, inversion,
-                          daddy_trans_->self_scm());
+                          context ()->self_scm ());
 
   /*
     Ugh. 
    */
-  SCM chord_as_scm = gh_cons (pitches, gh_cons (bass, inversion));
+  SCM chord_as_scm = scm_cons (pitches, scm_cons (bass, inversion));
   
-  chord_name_ = new Item (get_property ("ChordName"));
-  chord_name_->set_grob_property("text", markup);
-  announce_grob(chord_name_, SCM_EOL);
+  chord_name_ = make_item ("ChordName",notes_[0]->self_scm ());
+  chord_name_->set_property ("text", markup);
+
   SCM s = get_property ("chordChanges");
-  if (to_boolean (s) && gh_pair_p (last_chord_) 
-      && gh_equal_p (chord_as_scm, last_chord_))
-    chord_name_->set_grob_property ("begin-of-line-visible", SCM_BOOL_T);
+  if (to_boolean (s) && scm_is_pair (last_chord_) 
+      && ly_c_equal_p (chord_as_scm, last_chord_))
+    chord_name_->set_property ("begin-of-line-visible", SCM_BOOL_T);
 
   last_chord_ = chord_as_scm;
 }
@@ -132,10 +143,6 @@ Chord_name_engraver::try_music (Music* m)
 void
 Chord_name_engraver::stop_translation_timestep ()
 {
-  if (chord_name_)
-    {
-      typeset_grob (chord_name_);
-    }
   chord_name_ = 0;
   notes_.clear ();
 }
@@ -144,7 +151,7 @@ Chord_name_engraver::stop_translation_timestep ()
   The READs description is not strictly accurate:
   which properties are read depend on the chord naming function active.
 */
-ENTER_DESCRIPTION(Chord_name_engraver,
+ADD_TRANSLATOR (Chord_name_engraver,
 /* descr */       "Catch note-events "
 "and generate the appropriate chordname.",
 /* creats*/       "ChordName",