radiobuttongroup.h

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#ifndef _GTKMM_RADIOBUTTONGROUP_H
#define _GTKMM_RADIOBUTTONGROUP_H
/* $Id$ */
 
/* radiobuttongroup.h
 *
 * Copyright(C) 2001-2002 The gtkmm Development Team
 *
 * 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.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
#include <glibmm/object.h> //For RefPtr<> and size_t
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
extern "C"
{
  typedef struct _GSList GSList;
}
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace Gtk
{
 
class RadioButton;
class RadioMenuItem;
class RadioAction;
class RadioToolButton;
 
class RadioButtonGroup
{
public:
  RadioButtonGroup();
  RadioButtonGroup(const RadioButtonGroup& src);
 
  RadioButtonGroup& operator=(const RadioButtonGroup& src);
 
protected:
  explicit RadioButtonGroup(GSList* group);
 
  friend class Gtk::RadioButton;
  friend class Gtk::RadioMenuItem;
  friend class Gtk::RadioAction;
  friend class Gtk::RadioToolButton;
 
 
  //These all have similar interfaces.
  //TODO: Add a common multiply-inherited base class, with set_group()=0?
  //      Would that anything useful other than being tidy? murrayc
  void add(RadioButton& item);
  void add(RadioMenuItem& item);
  void add(const Glib::RefPtr<RadioAction>& item);
  void add(RadioToolButton& item);
 
  void* operator new(size_t); // not implemented
 
  GSList* group_;
};
  
} // namespace Gtk
 
 
#endif /* _GTKMM_RADIOBUTTONGROUP_H */