<!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 TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #ifndef BIFF_H #define BIFF_H #include <<a href="qwidget-h.html">ntqwidget.h</a>> #include <<a href="qdatetime-h.html">ntqdatetime.h</a>> #include <<a href="qpixmap-h.html">ntqpixmap.h</a>> class Biff : public <a href="ntqwidget.html">TQWidget</a> { <a href="metaobjects.html#TQ_OBJECT">TQ_OBJECT</a> public: Biff( <a href="ntqwidget.html">TQWidget</a> *parent=0, const char *name=0 ); protected: void timerEvent( <a href="qtimerevent.html">TQTimerEvent</a> * ); void paintEvent( <a href="qpaintevent.html">TQPaintEvent</a> * ); void mousePressEvent( <a href="qmouseevent.html">TQMouseEvent</a> * ); private: <a href="ntqdatetime.html">TQDateTime</a> lastModified; <a href="ntqpixmap.html">TQPixmap</a> hasNewMail; <a href="ntqpixmap.html">TQPixmap</a> noNewMail; <a href="ntqstring.html">TQString</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 TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "biff.h" #include <<a href="qstring-h.html">ntqstring.h</a>> #include <<a href="qfileinfo-h.html">ntqfileinfo.h</a>> #include <<a href="qpainter-h.html">ntqpainter.h</a>> #include <unistd.h> #include <stdlib.h> #include "bmp.cpp" <a name="f527"></a>Biff::Biff( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name ) : <a href="ntqwidget.html">TQWidget</a>( parent, name, WShowModal | WType_Dialog ) { <a href="ntqfileinfo.html">TQFileInfo</a> fi = TQString(getenv( "MAIL" )); <a name="x1955"></a> if ( !fi.<a href="ntqfileinfo.html#exists">exists</a>() ) { <a href="ntqstring.html">TQString</a> s( "/var/spool/mail/" ); s += getlogin(); <a name="x1958"></a> fi.<a href="ntqfileinfo.html#setFile">setFile</a>( s ); } if ( fi.<a href="ntqfileinfo.html#exists">exists</a>() ) { <a name="x1954"></a> mailbox = fi.<a href="ntqfileinfo.html#absFilePath">absFilePath</a>(); <a href="ntqobject.html#startTimer">startTimer</a>( 1000 ); } <a href="ntqwidget.html#setMinimumSize">setMinimumSize</a>( 48, 48 ); <a href="ntqwidget.html#setMaximumSize">setMaximumSize</a>( 48, 48 ); <a href="ntqwidget.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="ntqfileinfo.html#lastModified">lastModified</a>(); } <a name="x1959"></a>void Biff::<a href="ntqobject.html#timerEvent">timerEvent</a>( <a href="qtimerevent.html">TQTimerEvent</a> * ) { <a href="ntqfileinfo.html">TQFileInfo</a> fi( mailbox ); bool newState = ( fi.<a href="ntqfileinfo.html#lastModified">lastModified</a>() != lastModified && <a name="x1957"></a> fi.<a href="ntqfileinfo.html#lastModified">lastModified</a>() > fi.<a href="ntqfileinfo.html#lastRead">lastRead</a>() ); if ( newState != gotMail ) { if ( gotMail ) lastModified = fi.<a href="ntqfileinfo.html#lastModified">lastModified</a>(); gotMail = newState; <a href="ntqwidget.html#repaint">repaint</a>( FALSE ); } } void Biff::<a href="ntqwidget.html#paintEvent">paintEvent</a>( <a href="qpaintevent.html">TQPaintEvent</a> * ) { if ( gotMail ) <a href="ntqimage.html#bitBlt">bitBlt</a>( this, 0, 0, &hasNewMail ); else <a href="ntqimage.html#bitBlt">bitBlt</a>( this, 0, 0, &noNewMail ); } <a name="x1960"></a>void Biff::<a href="ntqwidget.html#mousePressEvent">mousePressEvent</a>( <a href="qmouseevent.html">TQMouseEvent</a> * ) { <a href="ntqfileinfo.html">TQFileInfo</a> fi( mailbox ); lastModified = fi.<a href="ntqfileinfo.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 TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include <<a href="qapplication-h.html">ntqapplication.h</a>> #include "biff.h" int main( int argc, char ** argv ) { <a href="ntqapplication.html">TQApplication</a> a( argc, argv ); Biff b; a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( &b ); b.<a href="ntqwidget.html#show">show</a>(); return a.<a href="ntqapplication.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>TQt 3.3.8</div> </table></div></address></body> </html>