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