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< pre > /****************************************************************
**
** Implementation of LCDRange class, TQt tutorial 8
**
****************************************************************/
#include "lcdrange.h"
#include < < a href = "qslider-h.html" > ntqslider.h< / a > >
#include < < a href = "qlcdnumber-h.html" > ntqlcdnumber.h< / a > >
< a name = "f44" > < / a > LCDRange::LCDRange( < a href = "ntqwidget.html" > TQWidget< / a > *parent, const char *name )
: < a href = "ntqvbox.html" > TQVBox< / a > ( parent, name )
{
< a href = "ntqlcdnumber.html" > TQLCDNumber< / a > *lcd = new < a href = "ntqlcdnumber.html" > TQLCDNumber< / a > ( 2, this, "lcd" );
slider = new < a href = "ntqslider.html" > TQSlider< / a > ( Horizontal, this, "slider" );
slider-> < a href = "ntqrangecontrol.html#setRange" > setRange< / a > ( 0, 99 );
slider-> < a href = "ntqslider.html#setValue" > setValue< / a > ( 0 );
< a href = "ntqobject.html#connect" > connect< / a > ( slider, SIGNAL(< a href = "ntqslider.html#valueChanged" > valueChanged< / a > (int)),
lcd, SLOT(< a href = "ntqlcdnumber.html#display" > display< / a > (int)) );
< a href = "ntqobject.html#connect" > connect< / a > ( slider, SIGNAL(< a href = "ntqslider.html#valueChanged" > valueChanged< / a > (int)),
SIGNAL(valueChanged(int)) );
< a href = "ntqwidget.html#setFocusProxy" > setFocusProxy< / a > ( slider );
}
int < a name = "f45" > < / a > LCDRange::value() const
{
return slider-> < a href = "ntqslider.html#value" > value< / a > ();
}
void < a name = "f46" > < / a > LCDRange::setValue( int value )
{
slider-> < a href = "ntqslider.html#setValue" > setValue< / a > ( value );
}
void < a name = "f47" > < / a > LCDRange::setRange( int minVal, int maxVal )
{
if ( minVal < 0 || maxVal > 99 || minVal > maxVal ) {
< a href = "ntqapplication.html#qWarning" > qWarning< / a > ( "LCDRange::setRange(%d,%d)\n"
"\tRange must be 0..99\n"
"\tand minVal must not be greater than maxVal",
minVal, maxVal );
return;
}
slider-> < a href = "ntqrangecontrol.html#setRange" > setRange< / a > ( minVal, maxVal );
}
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