Fix some bugs in the dynamic engraver and PostScript backend

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

diff --git a/lily/include/context.hh b/lily/include/context.hh
index fd3c75b3f0f5daa28ca22def92188c1bcc8bf319..5a7eb92687a522dd0f1f7043f0edf6cabd223341 100644 (file)
--- a/lily/include/context.hh
+++ b/lily/include/context.hh
@@ -9,12 +9,12 @@
 #ifndef CONTEXT_HH
 #define CONTEXT_HH
 
-#include "context-key-manager.hh"
-#include "lily-proto.hh"
-#include "listener.hh"
-#include "moment.hh"
+
 #include "std-vector.hh"
+#include "moment.hh"
+#include "lily-proto.hh"
 #include "virtual-methods.hh"
+#include "context-key-manager.hh"
 
 class Context
 {
@@ -28,11 +28,10 @@ class Context
 private:
   friend class Context_handle;
   int iterator_count_;
-  
-  /* Used internally by create_context */
-  Stream_event *infant_event_;
+  bool init_;
 
 protected:
+  int unique_;
   Context *daddy_context_;
   /* The used Context_def */
   SCM definition_;
@@ -54,28 +53,23 @@ protected:
      children, are sent to this dispatcher. */
   Dispatcher *events_below_;
 
-  // Translator_group is allowed to set implementation_.
-  friend class Translator_group;
-  // Context_def::instantiate initialises some protected members.
   friend class Context_def;
-  // UGH! initialises implementation_
-  friend SCM ly_make_global_translator (SCM);
   void clear_key_disambiguations ();
 
-  DECLARE_LISTENER (set_property_from_event);
-  DECLARE_LISTENER (unset_property_from_event);
   
 public:
   Object_key const *get_grob_key (string name);
   Object_key const *get_context_key (string name, string id);
 
+  Context *create_context (Context_def *, string, SCM);
   string id_string () const { return id_string_; }
   SCM children_contexts () const { return context_list_; }
   SCM default_child_context_name () const;
+  int get_unique() { return unique_; }
 
   Dispatcher *event_source () const { return event_source_; }
   Dispatcher *events_below () const { return events_below_; }
-  void internal_send_stream_event (SCM type, Input *origin, SCM props[]);
+  void internal_send_stream_event (SCM type, SCM props[]);
 
   SCM get_definition () const { return definition_; }
   SCM get_definition_mods () const { return definition_mods_; }
@@ -87,27 +81,17 @@ public:
   /* properties:  */
   SCM internal_get_property (SCM name_sym) const;
   SCM properties_as_alist () const;
+  void internal_set_property (SCM var_sym, SCM value);
   Context *where_defined (SCM name_sym, SCM *value) const;
   void unset_property (SCM var_sym);
 
-#ifndef NDEBUG
-  void internal_set_property (SCM var_sym, SCM value, char const *file, int line, char const *fun);
-#else
-  void internal_set_property (SCM var_sym, SCM value);
-#endif
-
-  Context *create_context (Context_def *, string, SCM);
-  DECLARE_LISTENER (create_context_from_event);
-  DECLARE_LISTENER (acknowledge_infant);
-  DECLARE_LISTENER (remove_context);
-  DECLARE_LISTENER (change_parent);
-  void disconnect_from_parent ();
+  Context *remove_context (Context *trans);
   void check_removal ();
   string context_name () const;
   SCM context_name_symbol () const;
   Global_context *get_global_context () const;
 
-  virtual Context *get_score_context () const;
+  virtual Score_context *get_score_context () const;
   virtual Output_def *get_output_def () const;
   virtual Moment now_mom () const;
   virtual Context *get_default_interpreter ();
@@ -117,6 +101,7 @@ public:
   void add_context (Context *trans);
   bool is_bottom_context () const;
   bool is_removable () const;
+  bool try_music (Music *);
 
   Context *find_create_context (SCM context_name,
                                string id, SCM ops);
@@ -149,10 +134,10 @@ Rational measure_length (Context const *context);
 void set_context_property_on_children (Context *trans, SCM sym, SCM val);
 
 /* Shorthand for creating and broadcasting stream events. */
-#define send_stream_event(ctx, type, origin, ...)                              \
+#define send_stream_event(ctx, type, ...)                              \
 {                                                                      \
   SCM props[] = { __VA_ARGS__, 0 };                                    \
-  ctx->internal_send_stream_event (ly_symbol2scm (type), origin, props);       \
+  ctx->internal_send_stream_event (ly_symbol2scm (type), props);       \
 }
 
 #endif /* CONTEXT_HH */