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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/t14-lcdrange-cpp.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/t14-lcdrange-cpp.html')
| -rw-r--r-- | doc/html/t14-lcdrange-cpp.html | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/doc/html/t14-lcdrange-cpp.html b/doc/html/t14-lcdrange-cpp.html new file mode 100644 index 0000000..f471f23 --- /dev/null +++ b/doc/html/t14-lcdrange-cpp.html @@ -0,0 +1,130 @@ +<!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:2374 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>t14/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>t14/lcdrange.cpp Example File</h1> + + +<pre>/**************************************************************** +** +** Implementation of LCDRange class, Qt tutorial 12 +** +****************************************************************/ + +#include "lcdrange.h" + +#include <<a href="qslider-h.html">qslider.h</a>> +#include <<a href="qlcdnumber-h.html">qlcdnumber.h</a>> +#include <<a href="qlabel-h.html">qlabel.h</a>> +#include <<a href="qlayout-h.html">qlayout.h</a>> + + +<a name="f114"></a>LCDRange::LCDRange( <a href="qwidget.html">QWidget</a> *parent, const char *name ) + : <a href="qwidget.html">QWidget</a>( parent, name ) +{ + init(); +} + + +LCDRange::LCDRange( const char *s, QWidget *parent, const char *name ) + : <a href="qwidget.html">QWidget</a>( parent, name ) +{ + init(); + setText( s ); +} + + +void <a name="f115"></a>LCDRange::init() +{ + <a href="qlcdnumber.html">QLCDNumber</a> *lcd = new <a href="qlcdnumber.html">QLCDNumber</a>( 2, this, "lcd" ); + slider = new <a href="qslider.html">QSlider</a>( Horizontal, this, "slider" ); + slider-><a href="qrangecontrol.html#setRange">setRange</a>( 0, 99 ); + slider-><a href="qslider.html#setValue">setValue</a>( 0 ); + + label = new <a href="qlabel.html">QLabel</a>( " ", this, "label" ); + label-><a href="qlabel.html#setAlignment">setAlignment</a>( AlignCenter ); + + <a href="qobject.html#connect">connect</a>( slider, SIGNAL(<a href="qslider.html#valueChanged">valueChanged</a>(int)), + lcd, SLOT(<a href="qlcdnumber.html#display">display</a>(int)) ); + <a href="qobject.html#connect">connect</a>( slider, SIGNAL(<a href="qslider.html#valueChanged">valueChanged</a>(int)), + SIGNAL(valueChanged(int)) ); + + <a href="qwidget.html#setFocusProxy">setFocusProxy</a>( slider ); + + <a href="qvboxlayout.html">QVBoxLayout</a> * l = new <a href="qvboxlayout.html">QVBoxLayout</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="qslider.html#value">value</a>(); +} + + +const char *<a name="f117"></a>LCDRange::text() const +{ + return label-><a href="qlabel.html#text">text</a>(); +} + + +void <a name="f118"></a>LCDRange::setValue( int value ) +{ + slider-><a href="qslider.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="qapplication.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="qrangecontrol.html#setRange">setRange</a>( minVal, maxVal ); +} + + +void <a name="f120"></a>LCDRange::setText( const char *s ) +{ + label-><a href="qlabel.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>Qt 3.3.8</div> +</table></div></address></body> +</html> |