X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fligature-engraver.hh;h=f74cf6b6cedfcc2c7ac42a341f45ff442468b6f3;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=5e8efb7eeb77b558e060b94c1d73e31cbc6268ec;hpb=a6ee9dcd388111e842064a8d46ab06c4897a00d2;p=lilypond.git

diff --git a/lily/include/ligature-engraver.hh b/lily/include/ligature-engraver.hh
index 5e8efb7eeb..f74cf6b6ce 100644
--- a/lily/include/ligature-engraver.hh
+++ b/lily/include/ligature-engraver.hh
@@ -1,46 +1,53 @@
-/*   
+/*
   ligature-engraver.hh -- declare Ligature_engraver
-  
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 2002 Juergen Reuter <reuter@ipd.uka.de>
-  
- */
-#ifndef LIGATUREENGRAVER_HH
-#define LIGATUREEENGRAVER_HH
+
+  (c) 2002--2008 Juergen Reuter <reuter@ipd.uka.de>
+*/
+
+#ifndef LIGATURE_ENGRAVER_HH
+#define LIGATURE_ENGRAVER_HH
 
 #include "engraver.hh"
+#include "moment.hh"
 
 class Ligature_engraver : public Engraver
 {
 protected:
-  virtual void stop_translation_timestep ();
-  virtual void start_translation_timestep ();
+  Ligature_engraver ();
+  void stop_translation_timestep ();
   virtual void finalize ();
 
-  virtual void acknowledge_grob (Grob_info);
-  virtual bool try_music (Music*);
-  virtual void process_music ();
-  virtual void try_stop_ligature ();
-  virtual Spanner *create_ligature_spanner ();
-
-  Spanner *finished_ligature_;
-  Spanner *ligature_;
+  DECLARE_ACKNOWLEDGER (rest);
+  DECLARE_ACKNOWLEDGER (note_head);
+  virtual void listen_ligature (Stream_event *ev);
+  void process_music ();
+  virtual Spanner *create_ligature_spanner () = 0;
+  virtual void typeset_ligature (Spanner *ligature,
+				 vector<Grob_info> primitives) = 0;
+  virtual Spanner *current_ligature ();
   SCM brew_ligature_primitive_proc;
 
 public:
-  TRANSLATOR_DECLARATIONS(Ligature_engraver);
+  // no TRANSLATOR_DECLARATIONS (Ligature_engraver) needed since this
+  // class is abstract
 
 private:
-  Drul_array<Span_req*> reqs_drul_;
-  
-  Span_req *prev_start_req_;
+  Drul_array<Stream_event *> events_drul_;
+
+  Spanner *ligature_;
+  vector<Grob_info> primitives_;
+
+  Spanner *finished_ligature_;
+  vector<Grob_info> finished_primitives_;
+
+  Stream_event *prev_start_event_;
 
   // moment where ligature started.
   Moment ligature_start_mom_;
 
-  Grob *last_bound;
-
+  Grob *last_bound_;
 };
 
-#endif // ENGRAVERGROUP_HH
+#endif // LIGATURE_ENGRAVER_HH