Panda3D

cPointerCallbackObject.h

00001 // Filename: cPointerCallbackObject.h
00002 // Created by:  drose (13Mar09)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef CPOINTERCALLBACKOBJECT_H
00016 #define CPOINTERCALLBACKOBJECT_H
00017 
00018 #include "pandabase.h"
00019 #include "callbackObject.h"
00020 
00021 ////////////////////////////////////////////////////////////////////
00022 //       Class : CPointerCallbackObject
00023 // Description : This is a specialization on CallbackObject to allow
00024 //               association with a C-style function pointer and a
00025 //               void * parameter.
00026 ////////////////////////////////////////////////////////////////////
00027 class EXPCL_PANDA_PUTIL CPointerCallbackObject : public CallbackObject {
00028 public:
00029   typedef void CallbackFunction(CallbackData *cbdata, void *data);
00030   INLINE CPointerCallbackObject(CallbackFunction *func, void *data);
00031   ALLOC_DELETED_CHAIN(CPointerCallbackObject);
00032 
00033 public:
00034   virtual void do_callback(CallbackData *cbdata);
00035 
00036 private:
00037   CallbackFunction *_func;
00038   void *_data;
00039 
00040 public:
00041   static TypeHandle get_class_type() {
00042     return _type_handle;
00043   }
00044   static void init_type() {
00045     CallbackObject::init_type();
00046     register_type(_type_handle, "CPointerCallbackObject",
00047                   CallbackObject::get_class_type());
00048   }
00049   virtual TypeHandle get_type() const {
00050     return get_class_type();
00051   }
00052   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00053 
00054 private:
00055   static TypeHandle _type_handle;
00056 };
00057 
00058 #include "cPointerCallbackObject.I"
00059 
00060 #endif
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