Panda3D
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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