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/* This file is part of the KDE Project
Copyright (C) 2000 Klaas Freitag <freitag@suse.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "sizeindicator.h"
#include <qpalette.h>
#include <qimage.h>
#include <kimageeffect.h>
#include <klocale.h>
#include <kdebug.h>
#include <qpainter.h>
SizeIndicator::SizeIndicator( QWidget *parent, long thres, long crit )
:QLabel( parent )
{
sizeInByte = -1;
setFrameStyle( QFrame::Box | QFrame::Sunken );
setMinimumWidth( fontMetrics().width( QString::fromLatin1("MMM.MM MB") ));
setCritical( crit );
threshold = thres;
}
void SizeIndicator::setCritical( long crit )
{
critical = crit;
devider = 255.0 / double( critical );
}
void SizeIndicator::setThreshold( long thres )
{
threshold = thres;
}
SizeIndicator::~SizeIndicator()
{
}
void SizeIndicator::setSizeInByte( long newSize )
{
sizeInByte = newSize;
kdDebug(29000) << "New size in byte: " << newSize << endl ;
QString t;
QString unit = i18n( "%1 kB" );
double sizer = double(sizeInByte)/1024.0; // produces kiloBytes
int precision = 1;
int fwidth = 3;
if( sizer > 999.9999999 )
{
unit = i18n( "%1 MB" );
sizer = sizer / 1024.0;
precision = 2;
fwidth = 2;
}
t = unit.arg( sizer, fwidth, 'f', precision);
setText(t);
}
void SizeIndicator::drawContents( QPainter *p )
{
QSize s = size();
QColor warnColor;
if( sizeInByte >= threshold )
{
int c = int( double(sizeInByte) * devider );
if( c > 255 ) c = 255;
warnColor.setHsv( 0, c, c );
p->drawImage( 0,0,
KImageEffect::unbalancedGradient( s, colorGroup().background(),
warnColor, KImageEffect::CrossDiagonalGradient, 200,200 ));
}
/* Displaying the text */
QString t = text();
p->drawText( 0, 0, s.width(), s.height(),
AlignHCenter | AlignVCenter, t);
}
#include "sizeindicator.moc"
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