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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 47d455dd55be855e4cc691c32f687f723d9247ee (patch) | |
tree | 52e236aaa2576bdb3840ebede26619692fed6d7d /libkscan/sizeindicator.cpp | |
download | tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'libkscan/sizeindicator.cpp')
-rw-r--r-- | libkscan/sizeindicator.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/libkscan/sizeindicator.cpp b/libkscan/sizeindicator.cpp new file mode 100644 index 00000000..4ad1986d --- /dev/null +++ b/libkscan/sizeindicator.cpp @@ -0,0 +1,113 @@ +/* This file is part of the KDE Project + Copyright (C) 2000 Klaas Freitag <[email protected]> + + 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" |