// $Id: Flu_Button.h,v 1.11 2003/12/21 15:58:31 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_BUTTON_H
#define _FLU_BUTTON_H

#include <FL/Fl_Button.H>
#include <FL/Fl_Image.H>

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "flu_export.h"

//! This class extends Fl_Button to make a more attractive alternative that hilights as the mouse enters/leaves and automatically grayscales any image for deactivation
class FLU_EXPORT Flu_Button : public Fl_Button
{
 public:

  //! Normal FLTK widget constructor
  Flu_Button( int X,int Y,int W,int H,const char *l = 0 );

  //! Default destructor
  virtual ~Flu_Button();

  //! Override of Fl_Widget::color()
  inline void color( unsigned c )
    { col = (Fl_Color)c; Fl_Button::color(col); }

  //! Override of Fl_Widget::color()
  inline Fl_Color color() const
    { return col; }

  //! Override of Fl_Widget::selection_color()
  inline void selection_color( unsigned c )
    { sCol = (Fl_Color)c; Fl_Button::selection_color(sCol); }

  //! Override of Fl_Widget::selection_color()
  inline Fl_Color selection_color() const
    { return sCol; }

  //! Set the box to use when the mouse is over the button. If this is \c FL_NO_BOX, then the regular box() is used
  inline void enter_box( Fl_Boxtype b )
    { eBox = b; }

  //! Get the box to use when the mouse enters
  inline Fl_Boxtype enter_box() const
    { return eBox; }

  //! Override of Fl_Widget::image()
  void image( Fl_Image *i );

  //! Override of Fl_Widget::image()
  inline void image( Fl_Image &i )
    { image( &i ); }

  //! Override of Fl_Button::handle()
  int handle( int event );

  // Override of Fl_Button::draw()
  void draw();

 protected:

  bool retBtn, linkBtn, overLink;

 private:

  void checkLink();
  int labelSize[4];
  bool hover;
  Fl_Color col, sCol;
  Fl_Image *inactiveImg;
  Fl_Boxtype eBox;

};

#endif