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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/biff-example.html | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/biff-example.html')
| -rw-r--r-- | doc/html/biff-example.html | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/doc/html/biff-example.html b/doc/html/biff-example.html new file mode 100644 index 0000000..6a9fc9e --- /dev/null +++ b/doc/html/biff-example.html @@ -0,0 +1,198 @@ +<!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/examples/biff/biff.doc:4 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>Biff (UNIX only)</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>Biff (UNIX only)</h1> + + +<p> +Biff is a simple graphical program to indicate whether there is new +mail; it looks exactly like xbiff but is much shorter. +<p> <hr> +<p> Header file: +<p> <pre>/**************************************************************************** +** $Id: qt/biff.h 3.3.8 edited Jan 11 14:37 $ +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef BIFF_H +#define BIFF_H + +#include <<a href="qwidget-h.html">qwidget.h</a>> +#include <<a href="qdatetime-h.html">qdatetime.h</a>> +#include <<a href="qpixmap-h.html">qpixmap.h</a>> + + +class Biff : public <a href="qwidget.html">QWidget</a> +{ + <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a> +public: + Biff( <a href="qwidget.html">QWidget</a> *parent=0, const char *name=0 ); + +protected: + void timerEvent( <a href="qtimerevent.html">QTimerEvent</a> * ); + void paintEvent( <a href="qpaintevent.html">QPaintEvent</a> * ); + void mousePressEvent( <a href="qmouseevent.html">QMouseEvent</a> * ); + +private: + <a href="qdatetime.html">QDateTime</a> lastModified; + <a href="qpixmap.html">QPixmap</a> hasNewMail; + <a href="qpixmap.html">QPixmap</a> noNewMail; + <a href="qstring.html">QString</a> mailbox; + bool gotMail; +}; + + +#endif // BIFF_H +</pre> + +<p> <hr> +<p> <em>biff.cpp</em> implements this custom widget. Note in particular +how two images (<em>hasmail_bmp_data</em> and <em>nomail_bmp_data</em>, both from +<em>bmp.cpp</em>) are included into the executable. +<p> <pre>/**************************************************************************** +** $Id: qt/biff.cpp 3.3.8 edited Jan 11 14:37 $ +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "biff.h" +#include <<a href="qstring-h.html">qstring.h</a>> +#include <<a href="qfileinfo-h.html">qfileinfo.h</a>> +#include <<a href="qpainter-h.html">qpainter.h</a>> + +#include <unistd.h> +#include <stdlib.h> + +#include "bmp.cpp" + + +<a name="f527"></a>Biff::Biff( <a href="qwidget.html">QWidget</a> *parent, const char *name ) + : <a href="qwidget.html">QWidget</a>( parent, name, WShowModal | WType_Dialog ) +{ + <a href="qfileinfo.html">QFileInfo</a> fi = QString(getenv( "MAIL" )); +<a name="x1955"></a> if ( !fi.<a href="qfileinfo.html#exists">exists</a>() ) { + <a href="qstring.html">QString</a> s( "/var/spool/mail/" ); + s += getlogin(); +<a name="x1958"></a> fi.<a href="qfileinfo.html#setFile">setFile</a>( s ); + } + + if ( fi.<a href="qfileinfo.html#exists">exists</a>() ) { +<a name="x1954"></a> mailbox = fi.<a href="qfileinfo.html#absFilePath">absFilePath</a>(); + <a href="qobject.html#startTimer">startTimer</a>( 1000 ); + } + + <a href="qwidget.html#setMinimumSize">setMinimumSize</a>( 48, 48 ); + <a href="qwidget.html#setMaximumSize">setMaximumSize</a>( 48, 48 ); + <a href="qwidget.html#resize">resize</a>( 48, 48 ); + + hasNewMail.loadFromData( hasmail_bmp_data, hasmail_bmp_len ); + noNewMail.loadFromData( nomail_bmp_data, nomail_bmp_len ); + + gotMail = FALSE; +<a name="x1956"></a> lastModified = fi.<a href="qfileinfo.html#lastModified">lastModified</a>(); +} + + +<a name="x1959"></a>void Biff::<a href="qobject.html#timerEvent">timerEvent</a>( <a href="qtimerevent.html">QTimerEvent</a> * ) +{ + <a href="qfileinfo.html">QFileInfo</a> fi( mailbox ); + bool newState = ( fi.<a href="qfileinfo.html#lastModified">lastModified</a>() != lastModified && +<a name="x1957"></a> fi.<a href="qfileinfo.html#lastModified">lastModified</a>() > fi.<a href="qfileinfo.html#lastRead">lastRead</a>() ); + if ( newState != gotMail ) { + if ( gotMail ) + lastModified = fi.<a href="qfileinfo.html#lastModified">lastModified</a>(); + gotMail = newState; + <a href="qwidget.html#repaint">repaint</a>( FALSE ); + } +} + + +void Biff::<a href="qwidget.html#paintEvent">paintEvent</a>( <a href="qpaintevent.html">QPaintEvent</a> * ) +{ + if ( gotMail ) + <a href="qimage.html#bitBlt">bitBlt</a>( this, 0, 0, &hasNewMail ); + else + <a href="qimage.html#bitBlt">bitBlt</a>( this, 0, 0, &noNewMail ); +} + + +<a name="x1960"></a>void Biff::<a href="qwidget.html#mousePressEvent">mousePressEvent</a>( <a href="qmouseevent.html">QMouseEvent</a> * ) +{ + <a href="qfileinfo.html">QFileInfo</a> fi( mailbox ); + lastModified = fi.<a href="qfileinfo.html#lastModified">lastModified</a>(); +} +</pre> + +<p> <hr> +<p> Main: +<p> <pre>/**************************************************************************** +** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $ +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <<a href="qapplication-h.html">qapplication.h</a>> +#include "biff.h" + + +int main( int argc, char ** argv ) +{ + <a href="qapplication.html">QApplication</a> a( argc, argv ); + Biff b; + a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &b ); + b.<a href="qwidget.html#show">show</a>(); + return a.<a href="qapplication.html#exec">exec</a>(); +} +</pre> + +<p>See also <a href="examples.html">Examples</a>. + +<!-- 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> |