* lily/grob.cc: remove is_empty()

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

diff --git a/lily/include/grob.hh b/lily/include/grob.hh
index b7cf46611ace15d44c220ec70c9f6cc4b1a4549e..6c08afeeec96e0399a337732f68798fd4570e651 100644 (file)
--- a/lily/include/grob.hh
+++ b/lily/include/grob.hh
@@ -2,64 +2,53 @@
   grob.hh -- declare Grob
 
   source file of the LilyPond music typesetter
-  
-  (c) 1996--2004 Han-Wen Nienhuys
+
+  (c) 1996--2005 Han-Wen Nienhuys
 */
 
 #ifndef GROB_HH
 #define GROB_HH
 
-#include "parray.hh"
 #include "virtual-methods.hh"
-#include "lily-guile.hh"
-#include "lily-proto.hh"
-#include "smobs.hh"
 #include "dimension-cache.hh"
 #include "grob-interface.hh"
 #include "object-key.hh"
 
-/**
-   for administration of what was done already
-*/
-enum Grob_status {
-  ORPHAN=0,                    // not yet added to Paper_score
-  PRECALCING,
-  PRECALCED,           // calcs before spacing done
-  POSTCALCING,         // busy calculating. This is used to trap cyclic deps.
-  POSTCALCED,          // after spacing calcs done
-};
-
-typedef void (Grob::*Grob_method_pointer) (void);
+typedef void (Grob:: *Grob_method_pointer) (void);
 
-// looking at gtk+/pango docstrings .. WIP
-
-/**
- * Grob:
- * @internal_get_property: get property #NAME.
- *
- * Class structure for #Grob.
- **/
 class Grob
 {
-private:  
+private:
   DECLARE_SMOBS (Grob, foo);
   void init ();
+
 protected:
-  Object_key const * key_;
+  Object_key const *key_;
   SCM immutable_property_alist_;
   SCM mutable_property_alist_;
+  SCM object_alist_;
   
+  /*
+    If this is a property, it accounts for 25% of the property
+    lookups.
+  */
+  SCM interfaces_;
+
   /* BARF */
   friend class Spanner;
   friend SCM ly_grob_properties (SCM);
   friend SCM ly_grob_basic_properties (SCM);
-  
-  void substitute_mutable_properties (SCM, SCM);
-  char status_;
-  
+  friend void check_interfaces_for_property (Grob const *, SCM);
+  void substitute_object_links (SCM, SCM);
+
+  DECLARE_CLASSNAME(Grob);
+  Real get_offset (Axis a) const;
 public:
+  DECLARE_SCHEME_CALLBACK(same_axis_parent_positioning, (SCM, SCM));
+  DECLARE_SCHEME_CALLBACK(other_axis_parent_positioning, (SCM, SCM));
+
   Object_key const *get_key () const;
-  
+
   Grob *original_;
 
   /* TODO: junk this member. */
@@ -68,55 +57,57 @@ public:
   Dimension_cache dim_cache_[NO_AXES];
 
   Grob (SCM basic_props, Object_key const *);
-  Grob (Grob const&, int copy_count);
+  Grob (Grob const &, int copy_count);
 
   virtual Grob *clone (int count) const;
-  DECLARE_SCHEME_CALLBACK (stencil_extent, (SCM smob, SCM axis));
- 
+  static SCM stencil_extent (Grob*, Axis);
+  DECLARE_SCHEME_CALLBACK (stencil_height, (SCM smob));
+  DECLARE_SCHEME_CALLBACK (stencil_width, (SCM smob));
+    
+  
   String name () const;
-
-
   /*
     Properties
-   */
-  SCM internal_get_property (SCM) const;
-  void internal_set_property (SCM, SCM val);
-  void add_to_list_property (SCM, SCM);
+  */
+  SCM internal_get_property (SCM symbol) const;
+  SCM get_property_data (SCM symbol) const;
+  SCM internal_get_object (SCM symbol) const;
+
+  void del_property (SCM symbol); 
+  void internal_set_property (SCM sym, SCM val);
+  void internal_set_object (SCM sym, SCM val);
+
+  SCM try_callback (SCM, SCM);
 
   SCM get_property_alist_chain (SCM) const;
-  static SCM ly_grob_set_property (SCM, SCM,SCM);
-  static SCM ly_grob_property (SCM, SCM);  
+  static SCM ly_grob_set_property (SCM, SCM, SCM);
+  static SCM ly_grob_property (SCM, SCM);
 
   void warning (String) const;
   void programming_error (String) const;
-  
+
   Output_def *get_layout () const;
-  void add_dependency (Grob*);    
   virtual System *get_system () const;
-
-  void calculate_dependencies (int final, int busy, SCM funcname);
-
-
   virtual void do_break_processing ();
-  virtual Grob *find_broken_piece (System*) const;
+  virtual Grob *find_broken_piece (System *) const;
   virtual void discretionary_processing ();
-  virtual SCM do_derived_mark () const;
+  virtual void derived_mark () const;
 
   Stencil *get_stencil () const;
-  SCM get_uncached_stencil () const;
+  Stencil get_print_stencil () const;
 
   void suicide ();
   bool is_live () const;
-  bool is_empty (Axis a) const;
-  
+
   bool internal_has_interface (SCM intf);
   static bool has_interface (Grob *me);
-
+  SCM get_interfaces () const;
+  
   virtual void handle_broken_dependencies ();
   virtual void handle_prebroken_dependencies ();
 
-  Interval extent (Grob * refpoint, Axis) const;
- 
+  Interval extent (Grob *refpoint, Axis) const;
+
   void translate_axis (Real, Axis);
   Real relative_coordinate (Grob const *refp, Axis) const;
   Grob *common_refpoint (Grob const *s, Axis a) const;
@@ -124,19 +115,13 @@ public:
   // duh. slim down interface here. (todo)
   bool has_offset_callback (SCM callback, Axis) const;
   void add_offset_callback (SCM callback, Axis);
-  bool has_extent_callback (SCM, Axis) const;
-  void set_extent (SCM, Axis);
-  Real get_offset (Axis a) const;
-  
-  void set_parent (Grob* e, Axis);
+  void flush_extent_cache (Axis);
 
-  // URG
-  Grob *get_parent (Axis a) const
-  {
-    return  dim_cache_[a].parent_;
-  }
+  void set_parent (Grob *e, Axis);
 
-  DECLARE_SCHEME_CALLBACK (fixup_refpoint, (SCM));
+  // URG
+  Grob *get_parent (Axis a) const;
+  void fixup_refpoint ();
 };
 
 DECLARE_UNSMOB (Grob, grob);
@@ -144,14 +129,14 @@ Spanner *unsmob_spanner (SCM);
 Item *unsmob_item (SCM);
 
 Grob *common_refpoint_of_list (SCM elt_list, Grob *, Axis a);
-Grob *common_refpoint_of_array (Link_array<Grob> const&, Grob *, Axis a);
+Grob *common_refpoint_of_array (Link_array<Grob> const &, Grob *, Axis a);
 
 void set_break_subsititution (SCM criterion);
-SCM substitute_mutable_property_alist (SCM alist);
+SCM substitute_object_alist (SCM alist, SCM dest);
 
 Link_array<Grob> ly_scm2grobs (SCM ell);
 SCM ly_grobs2scm (Link_array<Grob> a);
 
-Interval robust_relative_extent (Grob*, Grob*, Axis); 
+Interval robust_relative_extent (Grob *, Grob *, Axis);
 
 #endif /* GROB_HH */