release: 1.3.38

[lilypond.git] / lily / chord-name-engraver.cc

diff --git a/lily/chord-name-engraver.cc b/lily/chord-name-engraver.cc
index 794ac1b3f0104d9479dbf093b6b1c59d6d33d5e1..32419e420c42693e55b80804f263cb42d6369222 100644 (file)
--- a/lily/chord-name-engraver.cc
+++ b/lily/chord-name-engraver.cc
@@ -3,24 +3,28 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1998--1999, 1999 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 1998--2000 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include "chord-name-engraver.hh"
-#include "chord.hh"
+#include "chord-name.hh"
 #include "musical-request.hh"
 #include "paper-def.hh"
 #include "lookup.hh"
 #include "paper-def.hh"
 #include "main.hh"
 #include "dimensions.hh"
-#include "g-text-item.hh"
+#include "text-item.hh"
+
 
 ADD_THIS_TRANSLATOR (Chord_name_engraver);
 
 Chord_name_engraver::Chord_name_engraver ()
 {
+  chord_name_p_ = 0;
   tonic_req_ = 0;
+  inversion_req_ = 0;
+  bass_req_ = 0;
 }
 
 void
@@ -43,62 +47,65 @@ Chord_name_engraver::do_try_music (Music* m)
       tonic_req_ = t;
       return true;
     }
+  if (Inversion_req* i = dynamic_cast<Inversion_req*> (m))
+    {
+      inversion_req_ = i;
+      return true;
+    }
+  if (Bass_req* b = dynamic_cast<Bass_req*> (m))
+    {
+      bass_req_ = b;
+      return true;
+    }
   return false;
 }
 
 void
-Chord_name_engraver::do_process_requests ()
+Chord_name_engraver::do_process_music ()
 {
-  if (text_p_arr_.size ())
+  if (chord_name_p_)
     return;
   if (!pitch_arr_.size ())
     return;
 
-  Chord chord (pitch_arr_);
-  Musical_pitch* inversion = 0;
-  Scalar chord_inversion = get_property ("chordInversion", 0);
-  if (chord_inversion.to_bool ())
-    {
-      int tonic_i = tonic_req_
-       ? chord.find_notename_i (tonic_req_->pitch_) : chord.find_tonic_i ();
-       
-      if (tonic_i)
-       {
-         inversion = &pitch_arr_[0];
-         chord.rebuild_insert_inversion (tonic_i);
-       }
-    }
-    
-  G_text_item* item_p =  new G_text_item;
-
-  /*
-   TODO:
-     - switch on property, add american (?) chordNameStyle:
-       Chord::american_str (...)
+  bool find_inversion_b = false;
+  SCM chord_inversion = get_property ("chordInversion");
+  if (gh_boolean_p (chord_inversion))
+    find_inversion_b = gh_scm2bool (chord_inversion);
 
-  Scalar chordNameStyle = get_property ("chordNameStyle", 0);
-  if (chordNameStyle == "Banter")
-    item_p->text_str_ = chord.banter_str (inversion);
-   */
+  chord_name_p_ = new Chord_name;
+  Chord chord = to_chord (pitch_arr_, tonic_req_, inversion_req_, bass_req_,
+                         find_inversion_b);
 
-  item_p->text_str_ = chord.banter_str (inversion);
-  
-  Scalar style = get_property ("textstyle", 0);
-  if (style.length_i ())
-    item_p->style_str_ = style;
+  /*
+    Hmm, why not represent complete chord as list?
+    ((tonic third fifth) (inversion bass))
+  */
+  SCM plist = SCM_EOL;
+  for (int i= chord.pitch_arr_.size (); i--; )
+    plist = gh_cons (chord.pitch_arr_[i].to_scm (), plist);
   
-  text_p_arr_.push (item_p);
-  announce_element (Score_element_info (item_p, 0));
+  chord_name_p_->set_elt_property ("pitches", plist);
+  if (chord.inversion_b_)
+    chord_name_p_->set_elt_property ("inversion",
+                                    chord.inversion_pitch_.to_scm ());
+  if (chord.bass_b_)
+    chord_name_p_->set_elt_property ("bass", chord.bass_pitch_.to_scm ());
+
+  announce_element (Score_element_info (chord_name_p_, 0));
 }
 
 void
 Chord_name_engraver::do_pre_move_processing ()
 {
-  for (int i=0; i < text_p_arr_.size (); i++)
+  if (chord_name_p_)
     {
-      typeset_element (text_p_arr_[i]);
+      typeset_element (chord_name_p_);
     }
-  text_p_arr_.clear ();
   pitch_arr_.clear ();
+  chord_name_p_ = 0;
   tonic_req_ = 0;
+  inversion_req_ = 0;
+  bass_req_ = 0;
 }
+