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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qscrollbar.h</h1>
<p>This is the verbatim text of the qscrollbar.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/qscrollbar.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QScrollBar class
**
** Created : 940427
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the widgets module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QSCROLLBAR_H
#define QSCROLLBAR_H
class QTimer;
#ifndef QT_H
#include "qwidget.h"
#include "qrangecontrol.h"
#endif // QT_H
#ifndef QT_NO_SCROLLBAR
class Q_EXPORT QScrollBar : public QWidget, public QRangeControl
{
Q_OBJECT
Q_PROPERTY( int minValue READ minValue WRITE setMinValue )
Q_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
Q_PROPERTY( int lineStep READ lineStep WRITE setLineStep )
Q_PROPERTY( int pageStep READ pageStep WRITE setPageStep )
Q_PROPERTY( int value READ value WRITE setValue )
Q_PROPERTY( bool tracking READ tracking WRITE setTracking )
Q_PROPERTY( bool draggingSlider READ draggingSlider )
Q_PROPERTY( Orientation orientation READ orientation WRITE setOrientation )
public:
QScrollBar( QWidget *parent, const char* name = 0 );
QScrollBar( Orientation, QWidget *parent, const char* name = 0 );
QScrollBar( int minValue, int maxValue, int lineStep, int pageStep,
int value, Orientation, QWidget *parent, const char* name = 0 );
~QScrollBar();
virtual void setOrientation( Orientation );
Orientation orientation() const;
virtual void setTracking( bool enable );
bool tracking() const;
bool draggingSlider() const;
virtual void setPalette( const QPalette & );
virtual QSize sizeHint() const;
virtual void setSizePolicy( QSizePolicy sp );
void setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw = FALSE );
int minValue() const;
int maxValue() const;
void setMinValue( int );
void setMaxValue( int );
int lineStep() const;
int pageStep() const;
void setLineStep( int );
void setPageStep( int );
int value() const;
int sliderStart() const;
QRect sliderRect() const;
public slots:
void setValue( int );
signals:
void valueChanged( int value );
void sliderPressed();
void sliderMoved( int value );
void sliderReleased();
void nextLine();
void prevLine();
void nextPage();
void prevPage();
protected:
#ifndef QT_NO_WHEELEVENT
void wheelEvent( QWheelEvent * );
#endif
void keyPressEvent( QKeyEvent * );
void resizeEvent( QResizeEvent * );
void paintEvent( QPaintEvent * );
void mousePressEvent( QMouseEvent * );
void mouseReleaseEvent( QMouseEvent * );
void mouseMoveEvent( QMouseEvent * );
void contextMenuEvent( QContextMenuEvent * );
void hideEvent( QHideEvent* );
void valueChange();
void stepChange();
void rangeChange();
void styleChange( QStyle& );
private slots:
void doAutoRepeat();
private:
void init();
void positionSliderFromValue();
int calculateValueFromSlider() const;
void startAutoRepeat();
void stopAutoRepeat();
int rangeValueToSliderPos( int val ) const;
int sliderPosToRangeValue( int val ) const;
void action( int control );
void drawControls( uint controls, uint activeControl ) const;
void drawControls( uint controls, uint activeControl,
QPainter *p ) const;
uint pressedControl;
bool track;
bool clickedAt;
Orientation orient;
int slidePrevVal;
QCOORD sliderPos;
QCOORD clickOffset;
QTimer * repeater;
void * d;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QScrollBar( const QScrollBar & );
QScrollBar &operator=( const QScrollBar & );
#endif
};
inline void QScrollBar::setTracking( bool t )
{
track = t;
}
inline bool QScrollBar::tracking() const
{
return track;
}
inline QScrollBar::Orientation QScrollBar::orientation() const
{
return orient;
}
inline int QScrollBar::sliderStart() const
{
return sliderPos;
}
inline void QScrollBar::setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw )
{
QWidget::setSizePolicy( hor, ver, hfw );
}
#endif // QT_NO_SCROLLBAR
#endif // QSCROLLBAR_H
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