cPointerCallbackObject.h

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/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file cPointerCallbackObject.h
 * @author drose
 * @date 2009-03-13
 */
 
#ifndef CPOINTERCALLBACKOBJECT_H
#define CPOINTERCALLBACKOBJECT_H
 
#include "pandabase.h"
#include "callbackObject.h"
 
/**
 * This is a specialization on CallbackObject to allow association with a
 * C-style function pointer and a void * parameter.
 */
class EXPCL_PANDA_PUTIL CPointerCallbackObject : public CallbackObject {
public:
  typedef void CallbackFunction(CallbackData *cbdata, void *data);
  INLINE CPointerCallbackObject(CallbackFunction *func, void *data);
  ALLOC_DELETED_CHAIN(CPointerCallbackObject);
 
public:
  virtual void do_callback(CallbackData *cbdata);
 
private:
  CallbackFunction *_func;
  void *_data;
 
public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    CallbackObject::init_type();
    register_type(_type_handle, "CPointerCallbackObject",
                  CallbackObject::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
 
private:
  static TypeHandle _type_handle;
};
 
#include "cPointerCallbackObject.I"
 
#endif