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