* input/regression/line-arrows.ly: new file.

[lilypond.git] / lily / include / performer-group-performer.hh

diff --git a/lily/include/performer-group-performer.hh b/lily/include/performer-group-performer.hh
index 7219de0d6df97e2ebef2a87e01facc15daf2afba..52939cf9ea4f948a66a91f72fdf36849dccb4345 100644 (file)
--- a/lily/include/performer-group-performer.hh
+++ b/lily/include/performer-group-performer.hh
@@ -1,51 +1,33 @@
 /*
   performer-group-performer.hh -- declare Performer_group_performer
 
-  (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-                 Jan Nieuwenhuizen <jan@digicash.com>
- */
+  (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  Jan Nieuwenhuizen <janneke@gnu.org>
+*/
 
 #ifndef PERFORMER_GROUP_PERFORMER_HH
 #define PERFORMER_GROUP_PERFORMER_HH
 
-#include "lily-proto.hh"
-#include "parray.hh"
-#include "plist.hh"
 #include "performer.hh"
-#include "translator.hh"
+#include "translator-group.hh"
 
-/**
-  Group a number of performers. Usually delegates everything to its contents.
-*/
+typedef void (Performer:: *Performer_method) (void);
 
-class Performer_group_performer : public Performer, public virtual Translator {
+class Performer_group_performer : public Performer, public virtual Translator_group
+{
 public:
-    NAME_MEMBERS();
-    Input_translator* itrans_l_;
-
-    Performer_group_performer();
-    ~Performer_group_performer();
-
-    bool is_bottom_performer_b() const;
-    virtual Performer_group_performer* find_performer_l( String name, String id );
-    
-    virtual void add( Performer* perf_p );
-    virtual bool try_request( Request* req_l );
+  TRANSLATOR_DECLARATIONS (Performer_group_performer);
 
-    virtual Translator* find_get_translator_l( String name, String id );
-    virtual Translator* get_default_interpreter();
-
-    Translator * ancestor_l( int l = 1 );
-    int depth_i() const;
-
-    void process_requests();
+  virtual void do_announces ();
+  virtual void announce_element (Audio_element_info);
+protected:
+  Array<Audio_element_info> announce_infos_;
 
 private:
-    Pointer_list<Performer*> perf_p_list_;
-    
-    Link_array<Performer_group_performer> group_l_arr_;
-    Link_array<Performer> nongroup_l_arr_;
+  void acknowledge_audio_elements ();
 };
 
+void performer_each (SCM list, Performer_method method);
+
 #endif // PERFORMER_GROUP_PERFORMER_HH