---

Event.h

/*
 * Event.h -- class interface for events
 * Copyright (C) 2002  Eric Lemings <elemings@users.sourceforge.net>
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this software; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA
 *
 * RCS: $Id: Event.h,v 1.3 2003/04/08 21:43:14 elemings Exp $
 */

#ifdef __cplusplus

#  ifndef OGS_SUPPORT_EVENT_H
#    define OGS_SUPPORT_EVENT_H

#    include <string>

#    include <ogs/support/Namespace.h>

OGS_BEGIN_SUPPORT_NAMESPACE

class Object;

class Event {
  public:
    Event (Object& object);
    virtual ~Event () { }

    Object& getSource () const;
    virtual std::string toString () const;

  private:
    /*
     * The lifetime of the source is assumed to outlast the lifetime of
     * events that it creates.  If this assumption proves false, the
     * source type and perhaps the interface will have to be changed.
     */
    Object& _source;
};

inline Event::Event (Object& object):
  _source (object) {
  // empty constructor
}

inline Object&
Event::getSource () const {
  return (this->_source);
}

OGS_END_SUPPORT_NAMESPACE

#  endif /* !defined OGS_SUPPORT_EVENT_H */

#endif /* defined __cplusplus */

---