(updated_grob_properties): new

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

diff --git a/lily/include/engraver.hh b/lily/include/engraver.hh
index 3c20037f7e357140c0436f0301fa30de00f79871..63928813f5e540af337d3673674e985f2298db86 100644 (file)
--- a/lily/include/engraver.hh
+++ b/lily/include/engraver.hh
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
@@ -12,52 +12,59 @@
 
 #include "lily-proto.hh"
 #include "array.hh"
-#include "request.hh"
-#include "score-element-info.hh"
+#include "event.hh"
+#include "grob-info.hh"
 #include "translator.hh"
 
 
 /**
-  a struct which processes requests, and creates the #Score_element#s.
+  a struct which processes events, and creates the #Grob#s.
   It may use derived classes. 
   */
 class Engraver : public virtual Translator {
     
   friend class Engraver_group_engraver;
 protected:
-  /// utility
-  Paper_def * paper_l() const;
-  /**
-    Invoke walker method to typeset element. Default: pass on to daddy.
-    */
-  virtual void typeset_element (Score_element*elem_p);
-  /**
+  /*
+    Call this when you're finished with ELEM_P.
+   */
+  virtual void typeset_grob (Grob*elem);
+  /*
     take note of item/spanner
     put item in spanner. Adjust local key; etc.
 
     Default: ignore the info
     */
-  virtual void acknowledge_element (Score_element_info) {}
+  virtual void acknowledge_grob (Grob_info) {}
 
-  /** Do things with stuff found in acknowledge_element. Ugh. Should
-     be looped with acknowledge_element.
+  /** Do things with stuff found in acknowledge_grob. Ugh. Should
+     be looped with acknowledge_grob.
      
    */
-  virtual void process_acknowledged () {}
+  virtual void process_acknowledged_grobs () {}
   /**
     Announce element. Default: pass on to daddy. Utility
     */
-  virtual void announce_element (Score_element*, Music*);
-  virtual void announce_element (Score_element_info);  
+  virtual void announce_grob (Grob*, SCM cause);
+  virtual void announce_grob (Grob_info);
+  virtual void process_music ();
+
+  Score_engraver * top_engraver () const;
+
+
 public:
-  VIRTUAL_COPY_CONS(Translator);
-  Engraver_group_engraver * daddy_grav_l() const;
+  Engraver_group_engraver * get_daddy_grav () const;
   /**
     override other ctor
    */
-  Engraver () {}
+  TRANSLATOR_DECLARATIONS(Engraver);
 };
 
+#define make_item(x) make_item_from_properties (daddy_trans_, ly_symbol2scm (x))
+#define make_spanner(x) make_spanner_from_properties (daddy_trans_, ly_symbol2scm (x))
+Item* make_item_from_properties (Translator_group* tg, SCM x);
+Spanner* make_spanner_from_properties (Translator_group * tg, SCM x);
 
-#endif // ENGRAVER_HH
 
+
+#endif // ENGRAVER_HH