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SGI Freeware 2002 November
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SGI Freeware 2002 November - Disc 3.iso
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dist
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fw_qt3.idb
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usr
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freeware
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Qt
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examples
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demo
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qthumbwheel.h.z
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qthumbwheel.h
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2002-04-08
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117 lines
/****************************************************************************
** $Id: qt/qthumbwheel.h 3.0.3 edited Oct 12 12:18 $
**
** Definition of QThumbWheel class
**
** Created : 010205
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the widgets module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QTHUMBWHEEL_H
#define QTHUMBWHEEL_H
#ifndef QT_H
#include "qframe.h"
#include "qrangecontrol.h"
#endif // QT_H
#ifndef QT_NO_THUMBWHEEL
class QThumbWheel : public QFrame, public QRangeControl
{
Q_OBJECT
public:
QThumbWheel( QWidget *parent=0, const char *name=0 );
~QThumbWheel();
virtual void setOrientation( Orientation );
Orientation orientation() const;
virtual void setTracking( bool enable );
bool tracking() const;
virtual void setTransmissionRatio( double r );
double transmissionRatio() const;
public slots:
virtual void setValue( int );
signals:
void valueChanged( int value );
protected:
void valueChange();
void rangeChange();
void stepChange();
void keyPressEvent( QKeyEvent * );
void mousePressEvent( QMouseEvent * );
void mouseReleaseEvent( QMouseEvent * );
void mouseMoveEvent( QMouseEvent * );
void wheelEvent( QWheelEvent * );
void focusInEvent( QFocusEvent *e );
void focusOutEvent( QFocusEvent *e );
void drawContents( QPainter * );
private:
void init();
int valueFromPosition( const QPoint & );
double rat;
int pressedAt;
Orientation orient;
uint track : 1;
uint mousePressed : 1;
class QThumbWheelPrivate;
QThumbWheelPrivate *d;
};
inline QThumbWheel::Orientation QThumbWheel::orientation() const
{
return orient;
}
inline bool QThumbWheel::tracking() const
{
return (bool)track;
}
inline double QThumbWheel::transmissionRatio() const
{
return rat;
}
#endif // QT_NO_WHEEL
#endif // QWHEEL_H