<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- /home/espenr/tmp/qt - 3.3.8 - espenr - 2499/qt - x11 - free - 3.3.8/doc/tutorial.doc:1706 -->
< html >
< head >
< meta http-equiv = "Content-Type" content = "text/html; charset=ISO-8859-1" >
< title > t12/lcdrange.cpp Example File< / title >
< style type = "text/css" > < ! - -
fn { margin-left: 1cm; text-indent: -1cm; }
a:link { color: #004faf; text-decoration: none }
a:visited { color: #672967; text-decoration: none }
body { background: #ffffff; color: black; }
-->< / style >
< / head >
< body >
< table border = "0" cellpadding = "0" cellspacing = "0" width = "100%" >
< tr bgcolor = "#E5E5E5" >
< td valign = center >
< a href = "index.html" >
< font color = "#004faf" > Home< / font > < / a >
| < a href = "classes.html" >
< font color = "#004faf" > All Classes< / font > < / a >
| < a href = "mainclasses.html" >
< font color = "#004faf" > Main Classes< / font > < / a >
| < a href = "annotated.html" >
< font color = "#004faf" > Annotated< / font > < / a >
| < a href = "groups.html" >
< font color = "#004faf" > Grouped Classes< / font > < / a >
| < a href = "functions.html" >
< font color = "#004faf" > Functions< / font > < / a >
< / td >
< td align = "right" valign = "center" > < img src = "logo32.png" align = "right" width = "64" height = "32" border = "0" > < / td > < / tr > < / table > < h1 align = center > t12/lcdrange.cpp Example File< / h1 >
< pre > /****************************************************************
**
** Implementation of LCDRange class, TQt tutorial 12
**
****************************************************************/
#include "lcdrange.h"
#include < < a href = "tqslider-h.html" > tqslider.h< / a > >
#include < < a href = "tqlcdnumber-h.html" > tqlcdnumber.h< / a > >
#include < < a href = "tqlabel-h.html" > tqlabel.h< / a > >
< a name = "f67" > < / a > LCDRange::LCDRange( < a href = "tqwidget.html" > TQWidget< / a > *parent, const char *name )
: < a href = "ntqvbox.html" > TQVBox< / a > ( parent, name )
{
init();
}
LCDRange::LCDRange( const char *s, TQWidget *parent,
const char *name )
: < a href = "ntqvbox.html" > TQVBox< / a > ( parent, name )
{
init();
setText( s );
}
void < a name = "f68" > < / 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-> < a href = "ntqrangecontrol.html#setRange" > setRange< / a > ( 0, 99 );
slider-> < a href = "tqslider.html#setValue" > setValue< / a > ( 0 );
label = new < a href = "tqlabel.html" > TQLabel< / a > ( " ", this, "label" );
label-> < 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 );
}
int < a name = "f69" > < / a > LCDRange::value() const
{
return slider-> < a href = "tqslider.html#value" > value< / a > ();
}
const char *< a name = "f70" > < / a > LCDRange::text() const
{
return label-> < a href = "tqlabel.html#text" > text< / a > ();
}
void < a name = "f71" > < / a > LCDRange::setValue( int value )
{
slider-> < a href = "tqslider.html#setValue" > setValue< / a > ( value );
}
void < a name = "f72" > < / 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 = "f73" > < / a > LCDRange::setText( const char *s )
{
label-> < a href = "tqlabel.html#setText" > setText< / a > ( s );
}
< / pre > <!-- eof -->
< p > < address > < hr > < div align = center >
< table width = 100% cellspacing = 0 border = 0 > < tr >
< td > Copyright © 2007
< a href = "troll.html" > Trolltech< / a > < td align = center > < a href = "trademarks.html" > Trademarks< / a >
< td align = right > < div align = right > TQt 3.3.8< / div >
< / table > < / div > < / address > < / body >
< / html >
