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<pre>/****************************************************************
**
** Implementation of LCDRange class, TQt tutorial 12
**
****************************************************************/
#include "lcdrange.h"
#include &lt;<a href="tqslider-h.html">tqslider.h</a>&gt;
#include &lt;<a href="tqlcdnumber-h.html">tqlcdnumber.h</a>&gt;
#include &lt;<a href="tqlabel-h.html">tqlabel.h</a>&gt;
#include &lt;<a href="tqlayout-h.html">tqlayout.h</a>&gt;
<a name="f87"></a>LCDRange::LCDRange( <a href="tqwidget.html">TQWidget</a> *parent, const char *name )
: <a href="tqwidget.html">TQWidget</a>( parent, name )
{
init();
}
LCDRange::LCDRange( const char *s, TQWidget *parent, const char *name )
: <a href="tqwidget.html">TQWidget</a>( parent, name )
{
init();
setText( s );
}
void <a name="f88"></a>LCDRange::init()
{
<a href="tqlcdnumber.html">TQLCDNumber</a> *lcd = new <a href="tqlcdnumber.html">TQLCDNumber</a>( 2, this, "lcd" );
slider = new <a href="tqslider.html">TQSlider</a>( Horizontal, this, "slider" );
slider-&gt;<a href="ntqrangecontrol.html#setRange">setRange</a>( 0, 99 );
slider-&gt;<a href="tqslider.html#setValue">setValue</a>( 0 );
label = new <a href="tqlabel.html">TQLabel</a>( " ", this, "label" );
label-&gt;<a href="tqlabel.html#setAlignment">setAlignment</a>( AlignCenter );
<a href="tqobject.html#connect">connect</a>( slider, TQ_SIGNAL(<a href="tqslider.html#valueChanged">valueChanged</a>(int)),
lcd, TQ_SLOT(<a href="tqlcdnumber.html#display">display</a>(int)) );
<a href="tqobject.html#connect">connect</a>( slider, TQ_SIGNAL(<a href="tqslider.html#valueChanged">valueChanged</a>(int)),
TQ_SIGNAL(valueChanged(int)) );
<a href="tqwidget.html#setFocusProxy">setFocusProxy</a>( slider );
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l-&gt;<a href="tqboxlayout.html#addWidget">addWidget</a>( lcd, 1 );
l-&gt;<a href="tqboxlayout.html#addWidget">addWidget</a>( slider );
l-&gt;<a href="tqboxlayout.html#addWidget">addWidget</a>( label );
}
int <a name="f89"></a>LCDRange::value() const
{
return slider-&gt;<a href="tqslider.html#value">value</a>();
}
const char *<a name="f90"></a>LCDRange::text() const
{
return label-&gt;<a href="tqlabel.html#text">text</a>();
}
void <a name="f91"></a>LCDRange::setValue( int value )
{
slider-&gt;<a href="tqslider.html#setValue">setValue</a>( value );
}
void <a name="f92"></a>LCDRange::setRange( int minVal, int maxVal )
{
if ( minVal &lt; 0 || maxVal &gt; 99 || minVal &gt; maxVal ) {
<a href="ntqapplication.html#qWarning">tqWarning</a>( "LCDRange::setRange(%d,%d)\n"
"\tRange must be 0..99\n"
"\tand minVal must not be greater than maxVal",
minVal, maxVal );
return;
}
slider-&gt;<a href="ntqrangecontrol.html#setRange">setRange</a>( minVal, maxVal );
}
void <a name="f93"></a>LCDRange::setText( const char *s )
{
label-&gt;<a href="tqlabel.html#setText">setText</a>( s );
}
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