/****************************************************************************** $Id: qt/src/widgets/qscrollbar.h   2.3.12   edited 2005-10-27 $**** Definition of QScrollBar class**** Created : 940427**** 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 QSCROLLBAR_H#define QSCROLLBAR_Hclass QTimer;#ifndef QT_H#include "qwidget.h"#include "qrangecontrol.h"#include "qdrawutil.h" // REMOVE THIS IN 3.0#endif // QT_H#ifndef QT_NO_SCROLLBARclass 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 );    virtual void setOrientation( Orientation );    Orientation orientation() const;    virtual void setTracking( bool enable );    bool	tracking() const;    bool	draggingSlider() const;    virtual void setPalette( const QPalette & );    QSize	sizeHint() const;    QSizePolicy sizePolicy() const;    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;    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:    void 	wheelEvent( QWheelEvent * );    void	keyPressEvent( QKeyEvent * );    void	resizeEvent( QResizeEvent * );    void	paintEvent( QPaintEvent * );    void	mousePressEvent( QMouseEvent * );    void	mouseReleaseEvent( QMouseEvent * );    void	mouseMoveEvent( QMouseEvent * );    void	valueChange();    void	stepChange();    void	rangeChange();    int		sliderStart() const;    QRect	sliderRect() const;    void styleChange( QStyle& );private slots:    void doAutoRepeat();private:    void init();    void positionSliderFromValue();    int calculateValueFromSlider() const;    void sliderMinMax( int &, int & )		const;    void metrics( int &, int &, int &, int& )	const;    void startAutoRepeat();    void stopAutoRepeat();    QStyle::ScrollControl pointOver( const QPoint &p ) const;    int rangeValueToSliderPos( int val ) const;    int sliderPosToRangeValue( int  val ) const;    void action( QStyle::ScrollControl control );    void drawControls( uint controls, uint activeControl ) const;    void drawControls( uint controls, uint activeControl,				QPainter *p ) const;        uint pressedControl	 : 8;    uint track		 : 1;    uint clickedAt	 : 1;    uint orient		 : 1;    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 (Orientation)orient;}inline int QScrollBar::sliderStart() const{    return sliderPos;}#endif // QT_NO_SCROLLBAR#endif // QSCROLLBAR_H