diff options
Diffstat (limited to 'digikam/utilities/cameragui/freespacewidget.cpp')
| -rw-r--r-- | digikam/utilities/cameragui/freespacewidget.cpp | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/digikam/utilities/cameragui/freespacewidget.cpp b/digikam/utilities/cameragui/freespacewidget.cpp new file mode 100644 index 00000000..27941106 --- /dev/null +++ b/digikam/utilities/cameragui/freespacewidget.cpp @@ -0,0 +1,252 @@ +/* ============================================================ + * + * 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. + * + * ============================================================ */ + +// Qt includes. + +#include <qwhatsthis.h> +#include <qtooltip.h> +#include <qpainter.h> +#include <qpixmap.h> +#include <qpalette.h> +#include <qcolor.h> +#include <qtimer.h> +#include <qfont.h> +#include <qfontmetrics.h> + +// KDE includes. + +#include <kurl.h> +#include <klocale.h> +#include <kdiskfreesp.h> +#include <kio/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; + + QString mountPoint; + + QTimer *timer; + + QPixmap pix; +}; + +FreeSpaceWidget::FreeSpaceWidget(QWidget* parent, int width) + : QWidget(parent, 0, WResizeNoErase|WRepaintNoErase) +{ + d = new FreeSpaceWidgetPriv; + setBackgroundMode(Qt::NoBackground); + setFixedWidth(width); + setMaximumHeight(fontMetrics().height()+4); + slotTimeout(); + + d->timer = new QTimer(this); + + connect(d->timer, SIGNAL(timeout()), + this, 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; +} + +QString FreeSpaceWidget::mountPoint() +{ + return d->mountPoint; +} + +void FreeSpaceWidget::updatePixmap() +{ + QPixmap fimgPix = SmallIcon("folder_image"); + d->pix = QPixmap(size()); + d->pix.fill(colorGroup().background()); + + QPainter 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 ? Qt::red : Qt::darkGreen); + p.setPen(Qt::white); + QRect 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); + + QRect tRect(fimgPix.height()+2, 1, d->pix.width()-2-fimgPix.width()-2, d->pix.height()-2); + QString text = QString("%1%").arg(peUsed); + p.setPen(colorGroup().text()); + QFontMetrics fontMt = p.fontMetrics(); + QRect fontRect = fontMt.boundingRect(tRect.x(), tRect.y(), + tRect.width(), tRect.height(), 0, text); + p.drawText(tRect, Qt::AlignCenter, text); + + QString tipText, value; + QString header = i18n("Album Library"); + QString headBeg("<tr bgcolor=\"orange\"><td colspan=\"2\">" + "<nobr><font size=\"-1\" color=\"black\"><b>"); + QString headEnd("</b></font></nobr></td></tr>"); + QString cellBeg("<tr><td><nobr><font size=-1>"); + QString cellMid("</font></nobr></td><td><nobr><font size=-1>"); + QString 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 += KIO::convertSizeFromKB(d->kBSize) + cellEnd; + + tipText += cellBeg + i18n("Available:") + cellMid; + tipText += KIO::convertSizeFromKB(d->kBAvail) + cellEnd; + + tipText += cellBeg + i18n("Require:") + cellMid; + tipText += KIO::convertSizeFromKB(d->dSizeKb) + cellEnd; + } + else + { + tipText += cellBeg + i18n("Capacity:") + cellMid; + tipText += KIO::convertSizeFromKB(d->kBSize) + cellEnd; + + tipText += cellBeg + i18n("Available:") + cellMid; + tipText += KIO::convertSizeFromKB(d->kBAvail) + cellEnd; + } + + tipText += "</table>"; + + QWhatsThis::add(this, tipText); + QToolTip::add(this, tipText); + } + + p.end(); +} + +void FreeSpaceWidget::paintEvent(QPaintEvent*) +{ + bitBlt(this, 0, 0, &d->pix); +} + +void FreeSpaceWidget::slotTimeout() +{ + QString mountPoint = KIO::findPathMountPoint(AlbumSettings::instance()->getAlbumLibraryPath()); + KDiskFreeSp *job = new KDiskFreeSp; + connect(job, SIGNAL(foundMountPoint(const unsigned long&, const unsigned long&, + const unsigned long&, const QString&)), + this, SLOT(slotAvailableFreeSpace(const unsigned long&, const unsigned long&, + const unsigned long&, const QString&))); + job->readDF(mountPoint); +} + +void FreeSpaceWidget::slotAvailableFreeSpace(const unsigned long& kBSize, const unsigned long& kBUsed, + const unsigned long& kBAvail, const QString& 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 |