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qt3/doc/html/qslider-h.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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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>qslider.h</h1>
<p>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/qslider.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of QSlider class
**
** Created : 961019
**
** 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 QSLIDER_H
#define QSLIDER_H
#ifndef QT_H
#include "qwidget.h"
#include "qrangecontrol.h"
#endif // QT_H
#ifndef QT_NO_SLIDER
struct QSliderPrivate;
class QTimer;
class Q_EXPORT QSlider : public QWidget, public QRangeControl
{
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 );
~QSlider();
virtual void setOrientation( Orientation );
Orientation orientation() const;
virtual void setTracking( bool enable );
bool tracking() const;
virtual void setPalette( const QPalette &amp; );
int sliderStart() const;
QRect sliderRect() const;
QSize sizeHint() const;
void setSizePolicy( QSizePolicy sp );
void setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw = FALSE );
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();
void addLine();
void subtractLine();
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 * );
#ifndef QT_NO_WHEELEVENT
void wheelEvent( QWheelEvent * );
#endif
void focusInEvent( QFocusEvent *e );
void focusOutEvent( QFocusEvent *e );
void styleChange( QStyle&amp; );
void valueChange();
void rangeChange();
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 available() const;
int goodPart( const QPoint&amp; ) const;
void initTicks();
QSliderPrivate *d;
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 &amp; );
QSlider &amp;operator=( const QSlider &amp; );
#endif
};
inline bool QSlider::tracking() const
{
return track;
}
inline QSlider::Orientation QSlider::orientation() const
{
return orient;
}
inline int QSlider::sliderStart() const
{
return sliderPos;
}
inline void QSlider::setSizePolicy( QSizePolicy::SizeType hor, QSizePolicy::SizeType ver, bool hfw )
{
QWidget::setSizePolicy( hor, ver, hfw );
}
#endif // QT_NO_SLIDER
#endif // QSLIDER_H
</pre>
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt 3.3.8</div>
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