versioninfo.cpp

QT与C++写的任务管理器

/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include <qtopia/resource.h>
#include <qtopia/global.h>

#include <qlabel.h>
#include <qpixmap.h>
#include <qpainter.h>
#include <qimage.h>
#include <qtimer.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qlayout.h>
#include "versioninfo.h"

VersionInfo::VersionInfo( QWidget *parent, const char *name, WFlags f )
    : QWidget( parent, name, f )
{
    setMinimumSize( 200, 150 );

    QVBoxLayout *vb = new QVBoxLayout( this, 4 );
    
    QString kernelVersionString;
    QFile file( "/proc/version" );
    if ( file.open( IO_ReadOnly ) ) {
	QTextStream t( &file );
	QString v;
	t >> v; t >> v; t >> v;
	v = v.left( 20 );
	kernelVersionString = tr( "<b>Linux Kernel</b><p>Version: " ) + v + "<p>";
	t >> v;
	kernelVersionString += tr( "Compiled by: " ) + v;
	file.close();
    }

    QString palmtopVersionString;
    palmtopVersionString = tr( "<b>Qtopia</b><p>Version: " ) + Global::version() + "<p>";
    palmtopVersionString += tr( "Copyright &copy; %1 %2", "year, company" )
			    .arg(2003)
			    .arg("Trolltech&nbsp;AS")
			    + "<p>";
    palmtopVersionString += tr( "Built on: " ) + __DATE__;

    
    QHBoxLayout *hb1 = new QHBoxLayout( vb );
    hb1->setSpacing( 2 );

    QLabel *palmtopLogo = new QLabel( this );
    QImage logo1 = Resource::loadImage( "qpe-logo" );
    logo1 = logo1.smoothScale( 55, 55 );
    QPixmap logo1Pixmap;
    logo1Pixmap.convertFromImage( logo1 );
    palmtopLogo->setPixmap( logo1Pixmap );
    palmtopLogo->setFixedSize( 60, 60 );
    hb1->addWidget( palmtopLogo, 0, Qt::AlignTop + Qt::AlignLeft );
    
    QLabel *palmtopVersion = new QLabel( this );
    palmtopVersion->setText( palmtopVersionString  );
    hb1->addWidget( palmtopVersion, 1, Qt::AlignTop + Qt::AlignLeft );

    
    QHBoxLayout *hb2 = new QHBoxLayout( vb );
    hb1->setSpacing( 2 );
    
    QLabel *linuxLogo = new QLabel( this );

    // Need to do this extra qpainter code with this image becuase for some
    // reason it doesn't alpha belnd if directly converted to a pixmap
    QPixmap logo2Pixmap( 60, 60 );
    QColor bgColor = colorGroup().background();
    QPainter painter( &logo2Pixmap );
    painter.fillRect( QRect( 0, 0, 60, 60 ), QBrush( bgColor ) );
    QImage logo2 = Resource::loadImage( "tux-logo" );
    logo2 = logo2.smoothScale( 55, 55 );
    painter.drawImage( 0, 0, logo2 );
    painter.end();
    linuxLogo->setPixmap( logo2Pixmap );
    linuxLogo->setFixedSize( 60, 60 );
    hb2->addWidget( linuxLogo, 0, Qt::AlignTop + Qt::AlignLeft );
    
    QLabel *kernelVersion = new QLabel( this );
    kernelVersion->setText( kernelVersionString );
    hb2->addWidget( kernelVersion, 1, Qt::AlignTop + Qt::AlignLeft );
}

VersionInfo::~VersionInfo()
{
}