text: // $Id: Flu_Choice_Group.h,v 1.9 2003/08/20 16:29:40 jbryan Exp $
  
  /***************************************************************
   *                FLU - FLTK Utility Widgets 
   *  Copyright (C) 2002 Ohio Supercomputer Center, Ohio State University
   *
   * This file and its content is protected by a software license.
   * You should have received a copy of this license with this file.
   * If not, please contact the Ohio Supercomputer Center immediately:
   * Attn: Jason Bryan Re: FLU 1224 Kinnear Rd, Columbus, Ohio 43212
   * 
   ***************************************************************/
  
  
  
  #ifndef _FLU_CHOICE_GROUP_H
  #define _FLU_CHOICE_GROUP_H
  
  #include <stdio.h>
  #include <string.h>
  
  /* fltk includes */
  #include <FL/Fl.H>
  #include <FL/Fl_Choice.H>
  #include <FL/fl_draw.H>
  #include <FL/Fl_Group.H>
  
  #include "FLU/Flu_Enumerations.h"
  
  //! This class provides an alternative group to Fl_Tabs. It provides an Fl_Choice menu that is used to determine which child Fl_Group is visible
  class FLU_EXPORT Flu_Choice_Group : public Fl_Group
  {
  
   public:
  
    //! Default FLTK constructor
    Flu_Choice_Group( int x, int y, int w, int h, const char *l = 0 );
  
    //! Get the currently visible child Fl_Group widget
    /*! \return \c NULL if there are no child Fl_Groups, else the currently selected group */
    inline Fl_Widget* wvalue()
      { return selected; }
  
    //! Get the index of the currently visible child Fl_Group widget
    /*! \return \c -1 if there are no child Fl_Groups, else the index of the group */
    int value();
  
    //! Set the currently visible child Fl_Group widget
    /*! \return the index of the child Fl_Group widget that is currently selected, or \c -1 if \b newvalue cannot be found. */
    int value( Fl_Widget *newvalue );
  
    //! Set the currently visible child Fl_Group widget
    void value( int v );
  
    //! Override of Fl_Group::draw()
    void draw();
  
    //! \return the number of entries able to be selected with value(int)
    inline int size()
      { return children()-1; }
  
   protected:
  
    static void _choiceCB( Fl_Widget *w, void *arg )
      { ((Flu_Choice_Group*)arg)->choiceCB(); }
    void choiceCB();
  
    Fl_Choice *choice;
    Fl_Widget *selected;
  
  };
  
  #endif
  