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< pre > /****************************************************************
**
** Implementation of LCDRange class, TQt tutorial 12
**
****************************************************************/
#include "lcdrange.h"
#include < < a href = "qslider-h.html" > ntqslider.h< / a > >
#include < < a href = "qlcdnumber-h.html" > ntqlcdnumber.h< / a > >
#include < < a href = "qlabel-h.html" > ntqlabel.h< / a > >
#include < < a href = "qlayout-h.html" > ntqlayout.h< / a > >
< a name = "f114" > < / a > LCDRange::LCDRange( < a href = "ntqwidget.html" > TQWidget< / a > *parent, const char *name )
: < a href = "ntqwidget.html" > TQWidget< / a > ( parent, name )
{
init();
}
LCDRange::LCDRange( const char *s, TQWidget *parent, const char *name )
: < a href = "ntqwidget.html" > TQWidget< / a > ( parent, name )
{
init();
setText( s );
}
void < a name = "f115" > < / a > LCDRange::init()
{
< 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 );
label = new < a href = "ntqlabel.html" > TQLabel< / a > ( " ", this, "label" );
label-> < a href = "ntqlabel.html#setAlignment" > setAlignment< / a > ( AlignCenter );
< 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 );
< a href = "qvboxlayout.html" > TQVBoxLayout< / a > * l = new < a href = "qvboxlayout.html" > TQVBoxLayout< / a > ( this );
l-> < a href = "qboxlayout.html#addWidget" > addWidget< / a > ( lcd, 1 );
l-> < a href = "qboxlayout.html#addWidget" > addWidget< / a > ( slider );
l-> < a href = "qboxlayout.html#addWidget" > addWidget< / a > ( label );
}
int < a name = "f116" > < / a > LCDRange::value() const
{
return slider-> < a href = "ntqslider.html#value" > value< / a > ();
}
const char *< a name = "f117" > < / a > LCDRange::text() const
{
return label-> < a href = "ntqlabel.html#text" > text< / a > ();
}
void < a name = "f118" > < / a > LCDRange::setValue( int value )
{
slider-> < a href = "ntqslider.html#setValue" > setValue< / a > ( value );
}
void < a name = "f119" > < / a > LCDRange::setRange( int minVal, int maxVal )
{
if ( minVal < 0 || maxVal > 99 || minVal > 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-> < a href = "ntqrangecontrol.html#setRange" > setRange< / a > ( minVal, maxVal );
}
void < a name = "f120" > < / a > LCDRange::setText( const char *s )
{
label-> < a href = "ntqlabel.html#setText" > setText< / a > ( s );
}
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