FXId.h

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/********************************************************************************
*                                                                               *
*                                  X - O b j e c t                              *
*                                                                               *
*********************************************************************************
* Copyright (C) 1997,2006 by Jeroen van der Zijp.   All Rights Reserved.        *
*********************************************************************************
* This library is free software; you can redistribute it and/or                 *
* modify it under the terms of the GNU Lesser General Public                    *
* License as published by the Free Software Foundation; either                  *
* version 2.1 of the License, or (at your option) any later version.            *
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* This library is distributed in the hope that it will be useful,               *
* but WITHOUT ANY WARRANTY; without even the implied warranty of                *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
* Lesser General Public License for more details.                               *
*                                                                               *
* You should have received a copy of the GNU Lesser General Public              *
* License along with this library; if not, write to the Free Software           *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
*********************************************************************************
* $Id: FXId.h,v 1.18 2006/01/22 17:58:05 fox Exp $                              *
********************************************************************************/
#ifndef FXID_H
#define FXID_H

#include "FXApp.h"

namespace FX {

class FXAPI FXId : public FXObject {
  FXDECLARE_ABSTRACT(FXId)
private:
  FXApp *app;             // Back link to application object
  FXEventLoop *eventLoop; // Back link to event loop
  void  *data;            // User data
protected:
  FXID   xid;
private:
  FXId(const FXId&);
  FXId &operator=(const FXId&);
protected:
  FXId():app((FXApp*)-1L),eventLoop((FXEventLoop*)-1L),data(NULL),xid(0){}
  FXId(FXApp* a):app(a),eventLoop(a->getEventLoop()),data(NULL),xid(0){}
public:

  FXApp* getApp() const { return app; }

  FXEventLoop* getEventLoop() const { return eventLoop; }

  FXID id() const { return xid; }

  virtual void create(){}

  virtual void detach(){}

  virtual void destroy(){}

  void setUserData(void *ptr){ data=ptr; }

  void* getUserData() const { return data; }

  virtual void save(FXStream& store) const;

  virtual void load(FXStream& store);

  virtual ~FXId(){app=(FXApp*)-1L;}
  };

}

#endif

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(C) 2002-2009 Niall Douglas. Some parts (C) to assorted authors.