-/*
+/*
ligature-engraver.hh -- declare Ligature_engraver
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 2002--2003 Juergen Reuter <reuter@ipd.uka.de>
-
- */
+
+ (c) 2002--2009 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 ();
+ 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 Spanner *create_ligature_spanner (); /* abstract method */
+ 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,
- Array<Grob_info> primitives); /* abstract method */
+ 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<Music*> reqs_drul_;
-
+ Drul_array<Stream_event *> events_drul_;
+
Spanner *ligature_;
- Array<Grob_info> primitives_;
+ vector<Grob_info> primitives_;
Spanner *finished_ligature_;
- Array<Grob_info> finished_primitives_;
+ vector<Grob_info> finished_primitives_;
- Music *prev_start_req_;
+ Stream_event *prev_start_event_;
// moment where ligature started.
Moment ligature_start_mom_;
Grob *last_bound_;
-
- void override_molecule_callback ();
- void revert_molecule_callback ();
};
#endif // LIGATURE_ENGRAVER_HH