Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / lily / include / translator.hh

diff --git a/lily/include/translator.hh b/lily/include/translator.hh
index 14ff0b31a1b394fa8ae4239207d8898fa46b42f2..398a32ce063bc76593d0b49518dc12b3d5b257d3 100644 (file)
--- a/lily/include/translator.hh
+++ b/lily/include/translator.hh
@@ -16,7 +16,6 @@
 #include "input.hh"
 #include "smobs.hh"
 #include "std-vector.hh"
-#include "protected-scm.hh"
 
 struct Acknowledge_information
 {
@@ -24,21 +23,7 @@ struct Acknowledge_information
   Engraver_void_function_engraver_grob_info function_;
 };
 
-
-/*
-  Each translator class has a static list of listener records. Each
-  record makes one explains how to register one of the class's stream event
-  listeners to a context.
-*/
-typedef struct translator_listener_record {
-  Listener (*get_listener_) (void *);
-  SCM event_class_;
-  struct translator_listener_record *next_;
-} translator_listener_record;
-
 #define TRANSLATOR_DECLARATIONS(NAME)                                  \
-private:                                                               \
-  static translator_listener_record *listener_list_;                   \
   public:                                                              \
   NAME ();                                                             \
   VIRTUAL_COPY_CONSTRUCTOR (Translator, NAME);                         \
@@ -57,21 +42,8 @@ private:                                                             \
   } \
   static Engraver_void_function_engraver_grob_info static_get_acknowledger (SCM sym); \
   static Engraver_void_function_engraver_grob_info static_get_end_acknowledger(SCM); \
-public:                                                                        \
-  virtual translator_listener_record *get_listener_list () const       \
-  {                                                                    \
-    return listener_list_;                                             \
-  }                                                                    \
   /* end #define */
 
-#define DECLARE_TRANSLATOR_LISTENER(m)                 \
-public:                                                        \
-inline void listen_ ## m (Stream_event *);             \
-/* Should be private */                                        \
-static void _internal_declare_ ## m ();                        \
-private:                                               \
-static Listener _get_ ## m ## _listener (void *);      \
-DECLARE_LISTENER (_listen_scm_ ## m);
 
 #define DECLARE_ACKNOWLEDGER(x) public : void acknowledge_ ## x (Grob_info); protected:
 #define DECLARE_END_ACKNOWLEDGER(x) public : void acknowledge_end_ ## x (Grob_info); protected:
@@ -108,19 +80,16 @@ public:
   virtual Translator_group *get_daddy_translator ()const;
   virtual Moment now_mom () const;
 
+  virtual bool try_music (Music *req);
   virtual void initialize ();
   virtual void finalize ();
 
-  /*should maybe be virtual*/
-  void connect_to_context (Context *c);
-  void disconnect_from_context (Context *c);
-
   void stop_translation_timestep ();
   void start_translation_timestep ();
   void process_music ();
   void process_acknowledged ();
 
-  Context *get_score_context () const;
+  Score_context *get_score_context () const;
   Global_context *get_global_context () const;
 
   TRANSLATOR_DECLARATIONS (Translator);
@@ -128,16 +97,13 @@ public:
 
 protected:                     // should be private.
   Context *daddy_context_;
-  void protect_event (SCM ev);
   virtual void derived_mark () const;
-  static void add_translator_listener (translator_listener_record **listener_list, translator_listener_record *r, Listener (*get_listener) (void *), const char *ev_class);
-  SCM get_listened_class_list (const translator_listener_record *listeners) const;
 
-  friend class Translator_group;
+  friend class Context_def;
+  friend class Context;
 };
 void add_translator (Translator *trans);
 
 Translator *get_translator (SCM s);
-Moment get_event_length (Stream_event *s);
 DECLARE_UNSMOB (Translator, translator);
 #endif // TRANSLATOR_HH