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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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Qt Toolkit - qslider.h include file
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<h1 align=center>qslider.h</h1><br clear="all">
This is the verbatim text of the qslider.h include file. It is
provided only for illustration; the copyright
remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/src/widgets/qslider.h 2.3.1 edited 2001-01-26 $
**
** Definition of QSlider class
**
** Created : 961019
**
** 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 QSLIDER_H
#define QSLIDER_H
#ifndef QT_H
#include "qwidget.h"
#include "qrangecontrol.h"
#endif // QT_H
#ifndef QT_NO_SLIDER
class <a href="qtimer.html">QTimer</a>;
struct QSliderData;
class Q_EXPORT <a href="qslider.html">QSlider</a> : public <a href="qwidget.html">QWidget</a>, public <a href="qrangecontrol.html">QRangeControl</a>
{
Q_OBJECT
Q_ENUMS( TickSetting )
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( Orientation orientation READ orientation WRITE setOrientation )
Q_PROPERTY( TickSetting tickmarks READ tickmarks WRITE setTickmarks )
Q_PROPERTY( int tickInterval READ tickInterval WRITE setTickInterval )
public:
enum TickSetting { NoMarks = 0, Above = 1, Left = Above,
Below = 2, Right = Below, Both = 3 };
QSlider( QWidget *parent, const char *name=0 );
QSlider( Orientation, QWidget *parent, const char *name=0 );
QSlider( int minValue, int maxValue, 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;
virtual void setPalette( const QPalette & );
QRect sliderRect() const;
QSize sizeHint() const;
QSizePolicy sizePolicy() const;
QSize minimumSizeHint() const;
virtual void setTickmarks( TickSetting );
TickSetting tickmarks() const { return ticks; }
virtual void setTickInterval( int );
int tickInterval() const { return tickInt; }
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;
public slots:
virtual void setValue( int );
void addStep();
void subtractStep();
signals:
void valueChanged( int value );
void sliderPressed();
void sliderMoved( int value );
void sliderReleased();
protected:
void resizeEvent( QResizeEvent * );
void paintEvent( QPaintEvent * );
void keyPressEvent( QKeyEvent * );
void mousePressEvent( QMouseEvent * );
void mouseReleaseEvent( QMouseEvent * );
void mouseMoveEvent( QMouseEvent * );
void wheelEvent( QWheelEvent * );
void focusInEvent( QFocusEvent *e );
void focusOutEvent( QFocusEvent *e );
void updateMask();
void styleChange( QStyle& );
void valueChange();
void rangeChange();
virtual void paintSlider( QPainter *, const QColorGroup&, const QRect & );
void drawTicks( QPainter *, const QColorGroup&, int, int, int=1 ) const;
void drawWinGroove( QPainter *, QCOORD );
void drawTicks( QPainter *, int, int, int=1 ) const;
virtual int thickness() const;
private slots:
void repeatTimeout();
private:
enum State { Idle, Dragging, TimingUp, TimingDown };
void init();
int positionFromValue( int ) const;
int valueFromPosition( int ) const;
void moveSlider( int );
void reallyMoveSlider( int );
void resetState();
int slideLength() const;
int available() const;
int goodPart( const QPoint& ) const;
void initTicks();
QSliderData *extra;
QTimer *timer;
QCOORD sliderPos;
int sliderVal;
QCOORD clickOffset;
State state;
bool track;
QCOORD tickOffset;
TickSetting ticks;
int tickInt;
Orientation orient;
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
QSlider( const QSlider & );
QSlider &operator=( const QSlider & );
#endif
};
inline bool QSlider::tracking() const
{
return track;
}
inline QSlider::Orientation QSlider::orientation() const
{
return orient;
}
#endif // QT_NO_SLIDER
#endif // QSLIDER_H
</pre>
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<td>Copyright 2000 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.1</div>
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