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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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Qt Toolkit - rangecontrols/main.cpp example file
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<h1 align=center>Rangecontrols</h1><br clear="all">
This examples shows the different types of Rangecontrols which
are supported by Qt. These are Dials, Spinboxes and Sliders.
<hr>
Header file: <pre>/****************************************************************************
** $Id: qt/examples/rangecontrols/rangecontrols.h 2.3.2 edited 2001-01-26 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef RANGECONTROLS_H
#define RANGECONTROLS_H
#include <<a href="qvbox-h.html">qvbox.h</a>>
class QCheckBox;
class RangeControls : public QVBox
{
Q_OBJECT
public:
RangeControls( <a href="qwidget.html">QWidget</a> *parent = 0, const char *name = 0 );
private:
<a href="qcheckbox.html">QCheckBox</a> *notches, *wrapping;
};
#endif
</pre>
<hr>
Implementation: <pre>/****************************************************************************
** $Id: qt/examples/rangecontrols/rangecontrols.cpp 2.3.2 edited 2001-01-26 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "rangecontrols.h"
#include <<a href="qhbox-h.html">qhbox.h</a>>
#include <<a href="qlcdnumber-h.html">qlcdnumber.h</a>>
#include <<a href="qspinbox-h.html">qspinbox.h</a>>
#include <<a href="qlabel-h.html">qlabel.h</a>>
#include <<a href="qstring-h.html">qstring.h</a>>
#include <<a href="qslider-h.html">qslider.h</a>>
#include <<a href="qcheckbox-h.html">qcheckbox.h</a>>
#include <limits.h>
RangeControls::RangeControls( <a href="qwidget.html">QWidget</a> *parent, const char *name )
: <a href="qvbox.html">QVBox</a>( parent, name )
{
<a href="qhbox.html">QHBox</a> *row1 = new <a href="qhbox.html">QHBox</a>( this );
<a href="qvbox.html">QVBox</a> *cell2 = new <a href="qvbox.html">QVBox</a>( row1 );
cell2-><a href="qframe.html#b11d00">setMargin</a>( 10 );
cell2-><a href="qframe.html#558f79">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken );
(void)new <a href="qwidget.html">QWidget</a>( cell2 );
<a href="qlabel.html">QLabel</a> *label1 = new <a href="qlabel.html">QLabel</a>( <a href="qstring.html">QString</a>( "Enter a value between\n%1 and %2:" ).arg( -INT_MAX ).arg( INT_MAX ), cell2 );
label1-><a href="qwidget.html#4e5337">setMaximumHeight</a>( label1-><a href="qlabel.html#f40fcc">sizeHint</a>().height() );
<a href="qspinbox.html">QSpinBox</a> *sb1 = new <a href="qspinbox.html">QSpinBox</a>( -INT_MAX, INT_MAX, 1, cell2 );
sb1-><a href="qspinbox.html#eb409b">setValue</a>( 0 );
<a href="qlabel.html">QLabel</a> *label2 = new <a href="qlabel.html">QLabel</a>( "Enter a zoom value:", cell2 );
label2-><a href="qwidget.html#4e5337">setMaximumHeight</a>( label2-><a href="qlabel.html#f40fcc">sizeHint</a>().height() );
<a href="qspinbox.html">QSpinBox</a> *sb2 = new <a href="qspinbox.html">QSpinBox</a>( 0, 1000, 10, cell2 );
sb2-><a href="qspinbox.html#36bd02">setSuffix</a>( " %" );
sb2-><a href="qspinbox.html#28d1c8">setSpecialValueText</a>( "Automatic" );
<a href="qlabel.html">QLabel</a> *label3 = new <a href="qlabel.html">QLabel</a>( "Enter a price:", cell2 );
label3-><a href="qwidget.html#4e5337">setMaximumHeight</a>( label3-><a href="qlabel.html#f40fcc">sizeHint</a>().height() );
<a href="qspinbox.html">QSpinBox</a> *sb3 = new <a href="qspinbox.html">QSpinBox</a>( 0, INT_MAX, 1, cell2 );
sb3-><a href="qspinbox.html#eccb7d">setPrefix</a>( "$" );
sb3-><a href="qspinbox.html#eb409b">setValue</a>( 355 );
(void)new <a href="qwidget.html">QWidget</a>( cell2 );
<a href="qhbox.html">QHBox</a> *row2 = new <a href="qhbox.html">QHBox</a>( this );
<a href="qvbox.html">QVBox</a> *cell3 = new <a href="qvbox.html">QVBox</a>( row2 );
cell3-><a href="qframe.html#b11d00">setMargin</a>( 10 );
cell3-><a href="qframe.html#558f79">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken );
<a href="qslider.html">QSlider</a> *hslider = new <a href="qslider.html">QSlider</a>( 0, 64, 1, 33, Qt::Horizontal, cell3 );
<a href="qlcdnumber.html">QLCDNumber</a> *lcd2 = new <a href="qlcdnumber.html">QLCDNumber</a>( 2, cell3 );
lcd2-><a href="qlcdnumber.html#ecdf88">display</a>( 33 );
lcd2-><a href="qlcdnumber.html#8aa01c">setSegmentStyle</a>( QLCDNumber::Filled );
<a href="qobject.html#7f8e37">connect</a>( hslider, SIGNAL( valueChanged( int ) ), lcd2, SLOT( display( int ) ) );
<a href="qhbox.html">QHBox</a> *cell4 = new <a href="qhbox.html">QHBox</a>( row2 );
cell4-><a href="qframe.html#558f79">setFrameStyle</a>( QFrame::WinPanel | QFrame::Sunken );
cell4-><a href="qframe.html#b11d00">setMargin</a>( 10 );
<a href="qslider.html">QSlider</a> *vslider = new <a href="qslider.html">QSlider</a>( 0, 64, 1, 8, Qt::Vertical, cell4 );
<a href="qlcdnumber.html">QLCDNumber</a> *lcd3 = new <a href="qlcdnumber.html">QLCDNumber</a>( 3, cell4 );
lcd3-><a href="qlcdnumber.html#ecdf88">display</a>( 8 );
<a href="qobject.html#7f8e37">connect</a>( vslider, SIGNAL( valueChanged( int ) ), lcd3, SLOT( display( int ) ) );
}
</pre>
<hr>
Main:
<pre>/****************************************************************************
** $Id: qt/examples/rangecontrols/main.cpp 2.3.2 edited 2001-06-12 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "rangecontrols.h"
#include <<a name="qapplication.h"></a><a href="qapplication-h.html">qapplication.h</a>>
int main( int argc, char **argv )
{
<a name="QApplication"></a><a href="qapplication.html">QApplication</a> a( argc, argv );
RangeControls rangecontrols;
rangecontrols.<a name="resize"></a><a href="qwidget.html#ff9d07">resize</a>( 500, 300 );
rangecontrols.<a name="setCaption"></a><a href="qwidget.html#d6a291">setCaption</a>( "Qt Example - Range Control Widgets" );
a.<a name="setMainWidget"></a><a href="qapplication.html#7ad759">setMainWidget</a>( &rangecontrols );
rangecontrols.<a name="show"></a><a href="qwidget.html#200ee5">show</a>();
return a.<a name="exec"></a><a href="qapplication.html#84c7bf">exec</a>();
}
</pre>
<p><address><hr><div align="center">
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<td>Copyright 2001 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.2</div>
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