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/*
* khexedit - Versatile hex editor
* Copyright (C) 1999 Espen Sand, [email protected]
* This file is based on the work by F. Zigterman, [email protected]
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef _PROGRESS_H_
#define _PROGRESS_H_
#include <tqdatetime.h>
#include "hexerror.h"
struct SProgressData
{
SProgressData( float f )
{
useFraction = 1;
fraction = f;
}
SProgressData( int cPage, int mPage )
{
useFraction = 0;
curPage = cPage;
maxPage = mPage;
}
int valid( void ) const
{
return( (useFraction == 1 && fraction >= 0) ||
(useFraction == 0 && curPage >= 0) ? 1 : 0 );
}
int useFraction;
float fraction;
int curPage;
int maxPage;
};
typedef int (*ProgressFunc)( void *clientData, SProgressData &pd );
class CProgress
{
public:
CProgress( void )
{
define( 0, 0 );
mInterruptTimer.start();
}
CProgress( ProgressFunc progressFunc, void *clientData )
{
define( progressFunc, clientData );
mInterruptTimer.start();
}
void define( ProgressFunc progressFunc, void *clientData )
{
mProgressFunc = progressFunc;
mClientData = clientData;
}
void finish( void ) const
{
if( mProgressFunc == 0 )
{
return;
}
SProgressData pd( -1.0 );
mProgressFunc( mClientData, pd );
}
bool expired( void )
{
return( mInterruptTimer.elapsed() > 200 );
}
int step( float fraction )
{
mInterruptTimer.start();
if( mProgressFunc == 0 )
{
return( Err_Success );
}
SProgressData pd( fraction );
int errCode = mProgressFunc( mClientData, pd );
return( errCode );
}
int step( int curPage, int maxPage )
{
mInterruptTimer.start();
if( mProgressFunc == 0 )
{
return( Err_Success );
}
SProgressData pd( curPage, maxPage );
int errCode = mProgressFunc( mClientData, pd );
return( errCode );
}
private:
ProgressFunc mProgressFunc;
void *mClientData;
TQTime mInterruptTimer;
};
#endif
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