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Biff is a simple graphical program to indicate whether there is new mail; it looks exactly like xbiff but is much shorter.
Header file:
/**************************************************************************** ** $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 <tqwidget.h> #include <ntqdatetime.h> #include <ntqpixmap.h> class Biff : public TQWidget { TQ_OBJECT public: Biff( TQWidget *parent=0, const char *name=0 ); protected: void timerEvent( TQTimerEvent * ); void paintEvent( TQPaintEvent * ); void mousePressEvent( TQMouseEvent * ); private: TQDateTime lastModified; TQPixmap hasNewMail; TQPixmap noNewMail; TQString mailbox; bool gotMail; }; #endif // BIFF_H
biff.cpp implements this custom widget. Note in particular how two images (hasmail_bmp_data and nomail_bmp_data, both from bmp.cpp) are included into the executable.
/**************************************************************************** ** $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 <ntqstring.h> #include <ntqfileinfo.h> #include <ntqpainter.h> #include <unistd.h> #include <stdlib.h> #include "bmp.cpp" Biff::Biff( TQWidget *parent, const char *name ) : TQWidget( parent, name, WShowModal | WType_Dialog ) { TQFileInfo fi = TQString(getenv( "MAIL" )); if ( !fi.exists() ) { TQString s( "/var/spool/mail/" ); s += getlogin(); fi.setFile( s ); } if ( fi.exists() ) { mailbox = fi.absFilePath(); startTimer( 1000 ); } setMinimumSize( 48, 48 ); setMaximumSize( 48, 48 ); resize( 48, 48 ); hasNewMail.loadFromData( hasmail_bmp_data, hasmail_bmp_len ); noNewMail.loadFromData( nomail_bmp_data, nomail_bmp_len ); gotMail = FALSE; lastModified = fi.lastModified(); } void Biff::timerEvent( TQTimerEvent * ) { TQFileInfo fi( mailbox ); bool newState = ( fi.lastModified() != lastModified && fi.lastModified() > fi.lastRead() ); if ( newState != gotMail ) { if ( gotMail ) lastModified = fi.lastModified(); gotMail = newState; repaint( FALSE ); } } void Biff::paintEvent( TQPaintEvent * ) { if ( gotMail ) bitBlt( this, 0, 0, &hasNewMail ); else bitBlt( this, 0, 0, &noNewMail ); } void Biff::mousePressEvent( TQMouseEvent * ) { TQFileInfo fi( mailbox ); lastModified = fi.lastModified(); }
Main:
/**************************************************************************** ** $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 <ntqapplication.h> #include "biff.h" int main( int argc, char ** argv ) { TQApplication a( argc, argv ); Biff b; a.setMainWidget( &b ); b.show(); return a.exec(); }
See also Examples.
Copyright © 2007 Trolltech | Trademarks | TQt 3.3.8
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