Flu_Dual_Progress_Meter.h

// $Id: Flu_Dual_Progress_Meter.h,v 1.7 2005/08/02 20:27:42 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_DUAL_PROGRESS_METER_H
#define _FLU_DUAL_PROGRESS_METER_H

#include <stdio.h>

/* fltk includes */
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Slider.H>
#include <FL/Fl_Button.H>

#include "FLU/Flu_Label.h"
#include "FLU/Flu_Enumerations.h"

class FLU_EXPORT Flu_Dual_Progress_Meter
{

 public:

  Flu_Dual_Progress_Meter( const char* t = NULL );

  virtual ~Flu_Dual_Progress_Meter();

  inline void title( const char* t )
    { if( window ) window->label( t ); }

  inline const char* title() const
    { if( window ) return window->label(); else return ""; }

  inline void label( const char* current, const char* total )
    { if( currentLabel ) currentLabel->label( current ); if( totalLabel ) totalLabel->label( total ); }

  inline void current_label( const char* l )
    { if( currentLabel ) currentLabel->label( l ); }

  inline void total_label( const char* l )
    { if( totalLabel ) totalLabel->label( l ); }

  inline const char* current_label() const
    { if( currentLabel ) return currentLabel->label(); else return ""; }

  inline const char* total_label() const
    { if( totalLabel ) return totalLabel->label(); else return ""; }


  inline void color( Fl_Color c )
    { if( currentSlider ) currentSlider->selection_color( c );if( totalSlider ) totalSlider->selection_color( c );  }

  inline Fl_Color color() const
    { if( currentSlider ) return currentSlider->selection_color(); else return FL_BLUE; }

  inline bool value( float currentVal, float totalVal )
    { bool b = current_value(currentVal) | total_value(totalVal); return b; }


  bool current_value( float v );


  bool total_value( float v );

  inline float current_value() const
    { if( currentSlider ) return currentSlider->value(); else return 0.0f; }

  inline float total_value() const
    { if( totalSlider ) return totalSlider->value(); else return 0.0f; }

  inline static void current_value_callback( float v, void *arg )
    { ((Flu_Dual_Progress_Meter*)arg)->current_value( v ); }

  inline static void total_value_callback( float v, void *arg )
    { ((Flu_Dual_Progress_Meter*)arg)->total_value( (float)v ); }

  void show( bool cancelBtnVisible = false );

  inline void hide()
    { if( window ) window->hide(); Fl::flush(); }

  inline bool shown() const
    { if( window ) return window->shown(); else return false; }

  inline void cancel_callback( void (*cb)(void*), void* cbd = NULL )
    { _cancelCB = cb; _cancelCBD = cbd; }

  inline void set_modal()
    { if( window ) window->set_modal(); }

 protected:


 private:

  void (*_cancelCB)(void*);
  void* _cancelCBD;
  bool _cancelled;

  static void _onCancelCB( Fl_Widget* w, void* arg )
    { ((Flu_Dual_Progress_Meter*)arg)->onCancel(); }
  void onCancel()
    { _cancelled = true; if( _cancelCB ) _cancelCB( _cancelCBD ); }

  Fl_Double_Window* window;
  Fl_Slider *currentSlider, *totalSlider;
  Fl_Button* cancel;
  Flu_Label *currentLabel, *totalLabel;

};

#endif

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