GlobalProgressIndicator.h

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/******************************************************************************
 *
 *  Copyright (C) 2008 Max Hermann
 *
 *  This file is part of the "CEDRIC Event Display" application.
 *
 *****************************************************************************/

#ifndef GLOBALPROGRESSINDICATOR_H
#define GLOBALPROGRESSINDICATOR_H

#include "ProgressIndicator.h"
class QProgressDialog;
class QWidget;

#include <QString>

class GlobalProgressIndicator: public ProgressIndicator
{
public:
        void centerOn( QWidget* w );
        void setRegent( QWidget* r ) { m_regent = r; };
        
        void setTitle( const QString& title );
        void setLabel( const QString& label );
        
protected:
        bool onPoll();
        void onStart();
        void onFinish();
        void onRangeChange( int min, int max );

private:
        QProgressDialog* m_qpd;
        QWidget* m_regent;
        
public: 
        static GlobalProgressIndicator& ref()
                {
                        static GlobalProgressIndicator singleton;
                        return singleton;
                }
                
private:
        GlobalProgressIndicator();
        virtual ~GlobalProgressIndicator();
        GlobalProgressIndicator( const GlobalProgressIndicator& /*singleton*/ )
                : ProgressIndicator()
                {}
        GlobalProgressIndicator& operator = ( const GlobalProgressIndicator& /*singleton*/ )
                { return *this; }
};

#endif // GLOBALPROGRESSINDICATOR