// flnuminput.cpp -- a subclass of Fl_Input
//
// Written by Frederic Bouvier, started March 2002.
//
// Copyright (C) 2002  Frederic Bouvier - fredb@users.sourceforge.net
//
// This program 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 program 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 program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id: flnuminput.cpp,v 1.3 2004/02/14 14:17:38 fredb2 Exp $

#include <ctype.h>
#include <sstream>
#include "flnuminput.hpp"

FGSD_NumInput::FGSD_NumInput(int x, int y, int w, int h, const char* l)
   :  Fl_Input(x,y,w,h,l)
   ,  _type( _INT )
{
}

FGSD_NumInput::~FGSD_NumInput()
{
}

bool FGSD_NumInput::replace(int b, int e, const char* text, int ilen)
{
   bool ok = true;
   for ( int i = 0; ok && i < ilen; i++ )
      {
      if ( !isdigit( text[ i ] ) && ( i != 0 || b != 0 || _type != _INT || text[ i ] != '-' ) )
         ok = false;
      }
   if ( ok )
      ok = Fl_Input::replace( b, e, text, ilen );
   return ok;
}

void FGSD_NumInput::int_value( int v )
{
   _type = _INT;
   std::ostringstream str;
   str << v;
   value( str.str().c_str() );
}

int FGSD_NumInput::int_value() const
{
   int ret = 0;
   if ( _type == _INT )
      {
      std::istringstream str( value() );
      str >> ret;
      }
   return ret;
}

void FGSD_NumInput::uint_value( unsigned int v )
{
   _type = _UINT;
   std::ostringstream str;
   str << v;
   value( str.str().c_str() );
}

unsigned int FGSD_NumInput::uint_value() const
{
   unsigned int ret = 0;
   if ( _type == _UINT )
      {
      std::istringstream str( value() );
      str >> ret;
      }
   return ret;
}