Issue 5167/6: Changes: show \markup xxx = ... \etc assignments

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

diff --git a/lily/include/dispatcher.hh b/lily/include/dispatcher.hh
index b11167121bb93ebf2b1a83f8c3ec7f0349bdbccf..98a8626fd8f04f370c632209b053c40d77bb0953 100644 (file)
--- a/lily/include/dispatcher.hh
+++ b/lily/include/dispatcher.hh
@@ -22,32 +22,38 @@
 
 #include "listener.hh"
 #include "stream-event.hh"
+#include "smobs.hh"
 
-class Dispatcher
+class Dispatcher : public Smob<Dispatcher>
 {
+public:
+  int print_smob (SCM, scm_print_state *) const;
+  SCM mark_smob () const;
+  static const char * const type_p_name_;
+  virtual ~Dispatcher ();
+private:
   /* Hash table. Each event-class maps to a list of listeners. */
   SCM listeners_;
   /* alist of dispatchers that we listen to. Each entry is a
      (dist . priority) pair. */
   SCM dispatchers_;
   SCM listen_classes_;
-  DECLARE_LISTENER (dispatch);
+  void dispatch (SCM);
   /* priority counter. Listeners with low priority receive events
      first. */
   int priority_count_;
-  void internal_add_listener (Listener, SCM event_class, int priority);
+  void internal_add_listener (SCM callback, SCM event_class, int priority);
 public:
   Dispatcher ();
   void broadcast (Stream_event *ev);
-  bool is_listened (Stream_event *ev);
+  bool is_listened_class (SCM);
+  SCM listened_types ();
   void add_listener (Listener, SCM event_class);
+  void add_listener (SCM callback, SCM event_class);
   void remove_listener (Listener, SCM event_class);
   void register_as_listener (Dispatcher *dist);
   void unregister_as_listener (Dispatcher *dist);
-protected:
-  DECLARE_SMOBS (Dispatcher);
 };
 
-DECLARE_UNSMOB (Dispatcher, dispatcher);
 
 #endif // DISPATCHER_HH