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.
131 lines
4.6 KiB
131 lines
4.6 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:2025 -->
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|
<title>t13/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>t13/lcdrange.cpp Example File</h1>
|
|
|
|
|
|
<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="f87"></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="f88"></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="f89"></a>LCDRange::value() const
|
|
{
|
|
return slider-><a href="ntqslider.html#value">value</a>();
|
|
}
|
|
|
|
|
|
const char *<a name="f90"></a>LCDRange::text() const
|
|
{
|
|
return label-><a href="ntqlabel.html#text">text</a>();
|
|
}
|
|
|
|
|
|
void <a name="f91"></a>LCDRange::setValue( int value )
|
|
{
|
|
slider-><a href="ntqslider.html#setValue">setValue</a>( value );
|
|
}
|
|
|
|
|
|
void <a name="f92"></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="f93"></a>LCDRange::setText( const char *s )
|
|
{
|
|
label-><a href="ntqlabel.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>
|