// $Id: Flu_Combo_List.cpp,v 1.5 2004/03/24 02:49:13 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
 * 
 ***************************************************************/



#include <stdio.h>
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#include <string.h>
#include <stdlib.h>
#include <FL/math.h>

#include "Flu_Combo_List.h"

Flu_Combo_List :: Flu_Combo_List( int X, int Y, int W, int H, const char* l )
  : Flu_Combo_Box( X, Y, W, H, l ), list(0,0,0,0)
{
  list.box( FL_FLAT_BOX );
  list.callback( _cb, this );
  set_combo_widget( &list );
}

Flu_Combo_List :: ~Flu_Combo_List()
{
}

void Flu_Combo_List :: cb()
{
  if( list.value() )
    selected( list.text( list.value() ) );
  else
    _value( value() );
}

void Flu_Combo_List :: _hilight( int x, int y )
{
  if( list.scrollbar.visible() )
    {
      if( x > list.x() && y > list.y() &&
	  x < (list.x()+list.w()-list.scrollbar.w()) &&
	  y < (list.y()+list.h()) )
	list.handle( FL_DRAG );
    }
  else
    {
      if( x > list.x() && y > list.y() &&
	  x < (list.x()+list.w()) &&
	  y < (list.y()+list.h()) )
	list.handle( FL_DRAG );
    }
}

bool Flu_Combo_List :: _value( const char *v )
{
  // see if 'v' is in the list, and if so, make it the current selection
  for( int i = 1; i <= list.size(); i++ )
    {
      if( strcmp( list.text(i), v ) == 0 )
	{
	  list.value( i );
	  return true;
	}
    }
  return false;
}

const char* Flu_Combo_List :: _next()
{
  int v = list.value();
  if( v < list.size() )
    list.value( v+1 );
  list.middleline( list.value() );
  return list.text(list.value());
}

const char* Flu_Combo_List :: _previous()
{
  int v = list.value();
  if( v > 1 )
    list.value( v-1 );
  list.middleline( list.value() );
  return list.text(list.value());
}