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/* $Id: offsetConstraint.hpp,v 1.5 2006-11-05 04:42:43 ganzhorn Exp $
* This file is part of lfhex.
* Copyright (C) 2006 Salem Ganzhorn <eyekode@yahoo.com>
*
* 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 version 2.
*
* 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.
*/
// widget for constraining offset to stride*n+offset
#include <sys/types.h>
#include <QGroupBox>
class QWidget;
class QSpinBox;
class OffsetConstraint :public QGroupBox {
Q_OBJECT
public:
OffsetConstraint( QWidget * parent = 0 );
int getStride(void) const;
int getOffset(void) const;
// applies formula to find next/previous constrained offset
off_t next(off_t off) const;
off_t prev(off_t off) const;
public slots:
void setStride(int);
void setOffset(int);
protected:
QSpinBox * stride;
QSpinBox * offset; // [0,stride)
};
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