You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tqt3/doc/html/t11-lcdrange-cpp.html

90 lines
3.5 KiB

<!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:1501 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>t11/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&nbsp;Classes</font></a>
| <a href="mainclasses.html">
<font color="#004faf">Main&nbsp;Classes</font></a>
| <a href="annotated.html">
<font color="#004faf">Annotated</font></a>
| <a href="groups.html">
<font color="#004faf">Grouped&nbsp;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>t11/lcdrange.cpp Example File</h1>
<pre>/****************************************************************
**
** Implementation of LCDRange class, TQt tutorial 8
**
****************************************************************/
#include "lcdrange.h"
#include &lt;<a href="qslider-h.html">ntqslider.h</a>&gt;
#include &lt;<a href="qlcdnumber-h.html">ntqlcdnumber.h</a>&gt;
<a name="f53"></a>LCDRange::LCDRange( <a href="tqwidget.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-&gt;<a href="ntqrangecontrol.html#setRange">setRange</a>( 0, 99 );
slider-&gt;<a href="ntqslider.html#setValue">setValue</a>( 0 );
<a href="tqobject.html#connect">connect</a>( slider, TQ_SIGNAL(<a href="ntqslider.html#valueChanged">valueChanged</a>(int)),
lcd, TQ_SLOT(<a href="ntqlcdnumber.html#display">display</a>(int)) );
<a href="tqobject.html#connect">connect</a>( slider, TQ_SIGNAL(<a href="ntqslider.html#valueChanged">valueChanged</a>(int)),
TQ_SIGNAL(valueChanged(int)) );
<a href="tqwidget.html#setFocusProxy">setFocusProxy</a>( slider );
}
int <a name="f54"></a>LCDRange::value() const
{
return slider-&gt;<a href="ntqslider.html#value">value</a>();
}
void <a name="f55"></a>LCDRange::setValue( int value )
{
slider-&gt;<a href="ntqslider.html#setValue">setValue</a>( value );
}
void <a name="f56"></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 );
}
</pre><!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright &copy; 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>