X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fengraver.hh;h=e5b6aef6a084d7059ea8c77c9b56b68b034cfe99;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=335ab13034131178db0e6e1301d70a1bef4e6c28;hpb=2862b1027f316a2f0444fa92e441ee28acf7a463;p=lilypond.git

diff --git a/lily/include/engraver.hh b/lily/include/engraver.hh
index 335ab13034..e5b6aef6a0 100644
--- a/lily/include/engraver.hh
+++ b/lily/include/engraver.hh
@@ -3,153 +3,60 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c) 1996--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
-
 #ifndef ENGRAVER_HH
 #define ENGRAVER_HH
 
-#include "lily-proto.hh"
-#include "varray.hh"
-#include "request.hh"
-#include "score-elem-info.hh"
-#include "staff-info.hh"
-
-
-
+#include "grob-info.hh"
+#include "translator.hh"
 
 /**
-  a struct which processes requests, and creates the #Score_elem#s.
-  It may use derived classes. Hungarian postfix: grav
-  
-  */
-
-class Engraver {
-    
-    friend class Engraver_group_engraver;
-    /**
-      You cannot copy a Engraver
-     */
-    Engraver (const Engraver&){}
-
-    enum { 
-	VIRGIN,
-	CREATION_INITED,
-	MOVE_INITED,
-	ACCEPTED_REQS,
-	PROCESSED_REQS,
-	ACKED_REQS,
-	MOVE_DONE
-    } status;
+   a struct which processes events, and creates the #Grob#s.
+   It may use derived classes.
+*/
+class Engraver : public Translator
+{
+  Grob *internal_make_grob (SCM sym, SCM cause, char const *name,
+			    char const *f, int l, char const *fun);
 
+  friend class Engraver_group;
 protected:
-    
-
-    /// utility
-    virtual Paper_def * paper() const;
-
-    
-    /// make items/spanners with the requests you got
-    virtual void do_process_requests(){}
-
-    /** typeset any items/spanners. Default: do nothing
-     */
-    virtual void do_pre_move_processing(){}
-    /** reset any appropriate data. Default: do nothing
-     */
-    virtual void do_post_move_processing(){}
-   
-
-    virtual void do_creation_processing() {}
-    virtual void do_removal_processing() {}
-
-    /**
-      Invoke walker method to typeset element. Default: pass on to daddy.
-      */
-    virtual void typeset_element (Score_elem*elem_p);
-    
-     /**
-      take note of item/spanner
-      put item in spanner. Adjust local key; etc.
-
-      Default: ignore the info
-      */
-    virtual void acknowledge_element (Score_elem_info) {}
-    /**
-      Announce element. Default: pass on to daddy. Utility
-      */
-    virtual void announce_element (Score_elem_info);
-    /**
-      Set Feature of the engraver (s). Default: ignore Feature.
-     */
-    virtual void set_feature (Feature){}
-    /**
-      ask daddy for a feature
-     */
-    virtual Scalar get_feature (String type_str);
-    /**
-      Does this equal or contain a certain engraver?
-     */
-
-    virtual void sync_features() {}
-   
-    virtual bool contains_b (Engraver*grav_l) const;
-    /**
-      Get information on the staff. Default: ask daddy.
-      */
-    virtual Staff_info get_staff_info() const;
-    virtual void fill_staff_info (Staff_info&);
+  /*
+    take note of item/spanner
+    put item in spanner. Adjust local key; etc.
 
+    Default: ignore the info
+  */
+  virtual void acknowledge_grob (Grob_info) {}
+  virtual void announce_grob (Grob_info);
+  virtual void announce_end_grob (Grob_info);
+  Engraver_group *get_daddy_engraver () const;
 
-    virtual void do_print() const;  
-    /*    
-	  @see{try_request}
-	  Default: always return false
-      */
-    virtual bool do_try_request (Request *req_l);
 public:
-    void pre_move_processing();
-    void process_requests();
-    /**
-      try to fit the request in this engraver
-
-      @return
-      false: not noted,  not taken.
-
-      true: request swallowed. Don't try to put the request elsewhere.
-
-      */
-    bool try_request (Request*);
-    bool is_bottom_engraver() const;
-
-    void post_move_processing();
-    void removal_processing();
-    
-    Engraver_group_engraver * daddy_grav_l_;
-
-    Engraver();
-    virtual ~Engraver(){}
-    DECLARE_MY_RUNTIME_TYPEINFO;
-    void print() const;
+  /**
+     Announce element. Default: pass on to daddy. Utility
+  */
+  void announce_grob (Grob *, SCM cause);
+  void announce_end_grob (Grob *, SCM cause);
+
+  Item *internal_make_item (SCM sym, SCM cause, char const *name,
+			    char const *f, int l, char const *fun);
+  Spanner *internal_make_spanner (SCM sym, SCM cause, char const *name,
+				  char const *f, int l, char const *fun);
+  Paper_column *internal_make_column (SCM sym, char const *name,
+				      char const *f, int l, char const *fun);
+
+  /**
+     override other ctor
+  */
+  TRANSLATOR_DECLARATIONS (Engraver);
 };
 
-/**
-  A macro to automate administration of engravers.
- */
-#define ADD_THIS_ENGRAVER(c)				\
-struct c ## init {					\
-    static Engraver * globalctor(){		\
-	return new c;					\
-    }							\
-    c ## init() {					\
-	add_engraver (c::static_name(), globalctor);	\
-							\
-    }							\
-} _ ## c ## init;
+#define make_item(x, cause) internal_make_item (ly_symbol2scm (x), cause, x, __FILE__, __LINE__, __FUNCTION__)
+#define make_spanner(x, cause) internal_make_spanner (ly_symbol2scm (x), cause, x, __FILE__, __LINE__, __FUNCTION__)
+#define make_paper_column(x) internal_make_column (ly_symbol2scm (x), x, __FILE__, __LINE__, __FUNCTION__)
 
-typedef Engraver*(*Grav_ctor)(void);
-void add_engraver (String s, Grav_ctor f);
 
 #endif // ENGRAVER_HH
-