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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2007-08-31
* Description : a widget to display free space for a mount-point.
*
* Copyright (C) 2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* ============================================================ */
// TQt includes.
#include <tqwhatsthis.h>
#include <tqtooltip.h>
#include <tqpainter.h>
#include <tqpixmap.h>
#include <tqpalette.h>
#include <tqcolor.h>
#include <tqtimer.h>
#include <tqfont.h>
#include <tqfontmetrics.h>
// KDE includes.
#include <kurl.h>
#include <tdelocale.h>
#include <kdiskfreesp.h>
#include <tdeio/global.h>
#include <kiconloader.h>
// Local includes.
#include "albumsettings.h"
#include "freespacewidget.h"
#include "freespacewidget.moc"
namespace Digikam
{
class FreeSpaceWidgetPriv
{
public:
FreeSpaceWidgetPriv()
{
timer = 0;
isValid = false;
kBSize = 0;
kBUsed = 0;
kBAvail = 0;
dSizeKb = 0;
percentUsed = 0;
}
bool isValid;
int percentUsed;
unsigned long dSizeKb;
unsigned long kBSize;
unsigned long kBUsed;
unsigned long kBAvail;
TQString mountPoint;
TQTimer *timer;
TQPixmap pix;
};
FreeSpaceWidget::FreeSpaceWidget(TQWidget* parent, int width)
: TQWidget(parent, 0, WResizeNoErase|WRepaintNoErase)
{
d = new FreeSpaceWidgetPriv;
setBackgroundMode(TQt::NoBackground);
setFixedWidth(width);
setMaximumHeight(fontMetrics().height()+4);
slotTimeout();
d->timer = new TQTimer(this);
connect(d->timer, TQ_SIGNAL(timeout()),
this, TQ_SLOT(slotTimeout()));
d->timer->start(10000);
}
FreeSpaceWidget::~FreeSpaceWidget()
{
d->timer->stop();
delete d->timer;
delete d;
}
void FreeSpaceWidget::setEstimatedDSizeKb(unsigned long dSize)
{
d->dSizeKb = dSize;
updatePixmap();
repaint();
}
unsigned long FreeSpaceWidget::estimatedDSizeKb()
{
return d->dSizeKb;
}
bool FreeSpaceWidget::isValid()
{
return d->isValid;
}
int FreeSpaceWidget::percentUsed()
{
return d->percentUsed;
}
unsigned long FreeSpaceWidget::kBSize()
{
return d->kBSize;
}
unsigned long FreeSpaceWidget::kBUsed()
{
return d->kBUsed;
}
unsigned long FreeSpaceWidget::kBAvail()
{
return d->kBAvail;
}
TQString FreeSpaceWidget::mountPoint()
{
return d->mountPoint;
}
void FreeSpaceWidget::updatePixmap()
{
TQPixmap fimgPix = SmallIcon("folder_image");
d->pix = TQPixmap(size());
d->pix.fill(colorGroup().background());
TQPainter p(&d->pix);
p.setPen(colorGroup().mid());
p.drawRect(0, 0, d->pix.width(), d->pix.height());
p.drawPixmap(2, d->pix.height()/2-fimgPix.height()/2,
fimgPix, 0, 0, fimgPix.width(), fimgPix.height());
if (isValid())
{
// We will compute the estimated % of space size used to download and process.
unsigned long eUsedKb = d->dSizeKb + d->kBUsed;
int peUsed = (int)(100.0*((double)eUsedKb/(double)d->kBSize));
int pClamp = peUsed > 100 ? 100 : peUsed;
p.setBrush(peUsed > 95 ? TQt::red : TQt::darkGreen);
p.setPen(TQt::white);
TQRect gRect(fimgPix.height()+2, 1,
(int)(((double)d->pix.width()-2.0-fimgPix.width()-2.0)*(pClamp/100.0)),
d->pix.height()-2);
p.drawRect(gRect);
TQRect tRect(fimgPix.height()+2, 1, d->pix.width()-2-fimgPix.width()-2, d->pix.height()-2);
TQString text = TQString("%1%").arg(peUsed);
p.setPen(colorGroup().text());
TQFontMetrics fontMt = p.fontMetrics();
TQRect fontRect = fontMt.boundingRect(tRect.x(), tRect.y(),
tRect.width(), tRect.height(), 0, text);
p.drawText(tRect, TQt::AlignCenter, text);
TQString tipText, value;
TQString header = i18n("Album Library");
TQString headBeg("<tr bgcolor=\"orange\"><td colspan=\"2\">"
"<nobr><font size=\"-1\" color=\"black\"><b>");
TQString headEnd("</b></font></nobr></td></tr>");
TQString cellBeg("<tr><td><nobr><font size=-1>");
TQString cellMid("</font></nobr></td><td><nobr><font size=-1>");
TQString cellEnd("</font></nobr></td></tr>");
tipText = "<table cellspacing=0 cellpadding=0>";
tipText += headBeg + header + headEnd;
if (d->dSizeKb > 0)
{
tipText += cellBeg + i18n("Capacity:") + cellMid;
tipText += TDEIO::convertSizeFromKB(d->kBSize) + cellEnd;
tipText += cellBeg + i18n("Available:") + cellMid;
tipText += TDEIO::convertSizeFromKB(d->kBAvail) + cellEnd;
tipText += cellBeg + i18n("Require:") + cellMid;
tipText += TDEIO::convertSizeFromKB(d->dSizeKb) + cellEnd;
}
else
{
tipText += cellBeg + i18n("Capacity:") + cellMid;
tipText += TDEIO::convertSizeFromKB(d->kBSize) + cellEnd;
tipText += cellBeg + i18n("Available:") + cellMid;
tipText += TDEIO::convertSizeFromKB(d->kBAvail) + cellEnd;
}
tipText += "</table>";
TQWhatsThis::add(this, tipText);
TQToolTip::add(this, tipText);
}
p.end();
}
void FreeSpaceWidget::paintEvent(TQPaintEvent*)
{
bitBlt(this, 0, 0, &d->pix);
}
void FreeSpaceWidget::slotTimeout()
{
TQString mountPoint = TDEIO::findPathMountPoint(AlbumSettings::instance()->getAlbumLibraryPath());
KDiskFreeSp *job = new KDiskFreeSp;
connect(job, TQ_SIGNAL(foundMountPoint(const unsigned long&, const unsigned long&,
const unsigned long&, const TQString&)),
this, TQ_SLOT(slotAvailableFreeSpace(const unsigned long&, const unsigned long&,
const unsigned long&, const TQString&)));
job->readDF(mountPoint);
}
void FreeSpaceWidget::slotAvailableFreeSpace(const unsigned long& kBSize, const unsigned long& kBUsed,
const unsigned long& kBAvail, const TQString& mountPoint)
{
d->mountPoint = mountPoint;
d->kBSize = kBSize;
d->kBUsed = kBUsed;
d->kBAvail = kBAvail;
d->percentUsed = 100 - (int)(100.0*kBAvail/kBSize);
d->isValid = true;
updatePixmap();
repaint();
}
} // namespace Digikam
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