473 lines
15 KiB
C++
473 lines
15 KiB
C++
/*
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* This file Copyright (C) 2009-2014 Mnemosyne LLC
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*
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* It may be used under the GNU Public License v2 or v3 licenses,
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#include <iostream>
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#include <QApplication>
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#include <QFont>
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#include <QFontMetrics>
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#include <QIcon>
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#include <QModelIndex>
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#include <QPainter>
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#include <QPixmap>
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#include <QPixmapCache>
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#include <QStyleOptionProgressBar>
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#include "formatter.h"
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#include "torrent.h"
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#include "torrent-delegate.h"
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#include "torrent-model.h"
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enum
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{
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GUI_PAD = 6,
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BAR_HEIGHT = 12
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};
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QColor TorrentDelegate :: greenBrush;
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QColor TorrentDelegate :: blueBrush;
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QColor TorrentDelegate :: silverBrush;
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QColor TorrentDelegate :: greenBack;
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QColor TorrentDelegate :: blueBack;
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QColor TorrentDelegate :: silverBack;
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TorrentDelegate :: TorrentDelegate (QObject * parent):
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QStyledItemDelegate (parent),
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myProgressBarStyle (new QStyleOptionProgressBar)
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{
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myProgressBarStyle->minimum = 0;
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myProgressBarStyle->maximum = 1000;
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greenBrush = QColor ("forestgreen");
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greenBack = QColor ("darkseagreen");
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blueBrush = QColor ("steelblue");
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blueBack = QColor ("lightgrey");
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silverBrush = QColor ("silver");
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silverBack = QColor ("grey");
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}
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TorrentDelegate :: ~TorrentDelegate ()
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{
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delete myProgressBarStyle;
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}
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/***
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****
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***/
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QSize
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TorrentDelegate :: margin (const QStyle& style) const
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{
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Q_UNUSED (style);
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return QSize (4, 4);
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}
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QString
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TorrentDelegate :: progressString (const Torrent& tor) const
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{
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const bool isMagnet (!tor.hasMetadata());
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const bool isDone (tor.isDone ());
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const bool isSeed (tor.isSeed ());
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const uint64_t haveTotal (tor.haveTotal());
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QString str;
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double seedRatio;
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const bool hasSeedRatio (tor.getSeedRatio (seedRatio));
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if (isMagnet) // magnet link with no metadata
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{
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// %1 is the percentage of torrent metadata downloaded
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str = tr ("Magnetized transfer - retrieving metadata (%1%)")
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.arg (Formatter::percentToString (tor.metadataPercentDone() * 100.0));
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}
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else if (!isDone) // downloading
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{
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/* %1 is how much we've got,
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%2 is how much we'll have when done,
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%3 is a percentage of the two */
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str = tr ("%1 of %2 (%3%)")
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.arg (Formatter::sizeToString (haveTotal))
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.arg (Formatter::sizeToString (tor.sizeWhenDone()))
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.arg (Formatter::percentToString (tor.percentDone() * 100.0));
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}
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else if (!isSeed) // partial seed
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{
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if (hasSeedRatio)
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{
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/* %1 is how much we've got,
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%2 is the torrent's total size,
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%3 is a percentage of the two,
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%4 is how much we've uploaded,
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%5 is our upload-to-download ratio
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%6 is the ratio we want to reach before we stop uploading */
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str = tr ("%1 of %2 (%3%), uploaded %4 (Ratio: %5 Goal: %6)")
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.arg (Formatter::sizeToString (haveTotal))
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.arg (Formatter::sizeToString (tor.totalSize()))
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.arg (Formatter::percentToString (tor.percentComplete() * 100.0))
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.arg (Formatter::sizeToString (tor.uploadedEver()))
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.arg (Formatter::ratioToString (tor.ratio()))
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.arg (Formatter::ratioToString (seedRatio));
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}
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else
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{
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/* %1 is how much we've got,
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%2 is the torrent's total size,
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%3 is a percentage of the two,
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%4 is how much we've uploaded,
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%5 is our upload-to-download ratio */
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str = tr ("%1 of %2 (%3%), uploaded %4 (Ratio: %5)")
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.arg (Formatter::sizeToString (haveTotal))
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.arg (Formatter::sizeToString (tor.totalSize()))
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.arg (Formatter::percentToString (tor.percentComplete() * 100.0))
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.arg (Formatter::sizeToString (tor.uploadedEver()))
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.arg (Formatter::ratioToString (tor.ratio()));
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}
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}
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else // seeding
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{
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if (hasSeedRatio)
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{
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/* %1 is the torrent's total size,
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%2 is how much we've uploaded,
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%3 is our upload-to-download ratio,
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%4 is the ratio we want to reach before we stop uploading */
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str = tr ("%1, uploaded %2 (Ratio: %3 Goal: %4)")
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.arg (Formatter::sizeToString (haveTotal))
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.arg (Formatter::sizeToString (tor.uploadedEver()))
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.arg (Formatter::ratioToString (tor.ratio()))
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.arg (Formatter::ratioToString (seedRatio));
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}
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else // seeding w/o a ratio
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{
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/* %1 is the torrent's total size,
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%2 is how much we've uploaded,
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%3 is our upload-to-download ratio */
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str = tr ("%1, uploaded %2 (Ratio: %3)")
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.arg (Formatter::sizeToString (haveTotal))
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.arg (Formatter::sizeToString (tor.uploadedEver()))
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.arg (Formatter::ratioToString (tor.ratio()));
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}
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}
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// add time when downloading
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if ((hasSeedRatio && tor.isSeeding()) || tor.isDownloading())
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{
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str += tr (" - ");
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if (tor.hasETA ())
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str += tr ("%1 left").arg (Formatter::timeToString (tor.getETA ()));
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else
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str += tr ("Remaining time unknown");
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}
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return str;
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}
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QString
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TorrentDelegate :: shortTransferString (const Torrent& tor) const
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{
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QString str;
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const bool haveMeta (tor.hasMetadata());
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const bool haveDown (haveMeta && ((tor.webseedsWeAreDownloadingFrom()>0) || (tor.peersWeAreDownloadingFrom()>0)));
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const bool haveUp (haveMeta && tor.peersWeAreUploadingTo()>0);
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if (haveDown)
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str = tr ("%1 %2")
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.arg(Formatter::downloadSpeedToString(tor.downloadSpeed()))
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.arg(Formatter::uploadSpeedToString(tor.uploadSpeed()));
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else if (haveUp)
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str = Formatter::uploadSpeedToString(tor.uploadSpeed());
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return str;
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}
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QString
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TorrentDelegate :: shortStatusString (const Torrent& tor) const
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{
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QString str;
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static const QChar ratioSymbol (0x262F);
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switch (tor.getActivity ())
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{
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case TR_STATUS_CHECK:
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str = tr ("Verifying local data (%1% tested)").arg (Formatter::percentToString (tor.getVerifyProgress()*100.0));
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break;
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case TR_STATUS_DOWNLOAD:
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case TR_STATUS_SEED:
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str = tr("%1 %2 %3")
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.arg(shortTransferString(tor))
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.arg(tr("Ratio:"))
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.arg(Formatter::ratioToString(tor.ratio()));
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break;
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default:
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str = tor.activityString ();
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break;
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}
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return str;
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}
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QString
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TorrentDelegate :: statusString (const Torrent& tor) const
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{
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QString str;
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if (tor.hasError ())
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{
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str = tor.getError ();
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}
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else switch (tor.getActivity ())
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{
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case TR_STATUS_STOPPED:
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case TR_STATUS_CHECK_WAIT:
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case TR_STATUS_CHECK:
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case TR_STATUS_DOWNLOAD_WAIT:
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case TR_STATUS_SEED_WAIT:
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str = shortStatusString (tor);
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break;
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case TR_STATUS_DOWNLOAD:
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if (!tor.hasMetadata())
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{
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str = tr ("Downloading metadata from %n peer(s) (%1% done)", 0, tor.peersWeAreDownloadingFrom ())
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.arg (Formatter::percentToString (100.0 * tor.metadataPercentDone ()));
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}
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else
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{
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/* it would be nicer for translation if this was all one string, but I don't see how to do multiple %n's in tr() */
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str = tr ("Downloading from %1 of %n connected peer(s)", 0, tor.connectedPeersAndWebseeds ())
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.arg (tor.peersWeAreDownloadingFrom ());
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if (tor.webseedsWeAreDownloadingFrom())
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str += tr(" and %n web seed(s)", "", tor.webseedsWeAreDownloadingFrom());
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}
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break;
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case TR_STATUS_SEED:
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str = tr ("Seeding to %1 of %n connected peer(s)", 0, tor.connectedPeers ())
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.arg (tor.peersWeAreUploadingTo ());
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break;
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default:
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str = tr ("Error");
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break;
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}
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if (tor.isReadyToTransfer ())
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{
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QString s = shortTransferString (tor);
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if (!s.isEmpty ())
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str += tr (" - ") + s;
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}
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return str;
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}
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/***
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****
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***/
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namespace
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{
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int MAX3 (int a, int b, int c)
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{
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const int ab (a > b ? a : b);
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return ab > c ? ab : c;
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}
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}
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QSize
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TorrentDelegate :: sizeHint (const QStyleOptionViewItem& option, const Torrent& tor) const
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{
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const QStyle* style (QApplication::style ());
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static const int iconSize (style->pixelMetric (QStyle::PM_MessageBoxIconSize));
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QFont nameFont (option.font);
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nameFont.setWeight (QFont::Bold);
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const QFontMetrics nameFM (nameFont);
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const QString nameStr (tor.name ());
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const int nameWidth = nameFM.width (nameStr);
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QFont statusFont (option.font);
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statusFont.setPointSize (int (option.font.pointSize () * 0.9));
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const QFontMetrics statusFM (statusFont);
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const QString statusStr (statusString (tor));
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const int statusWidth = statusFM.width (statusStr);
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QFont progressFont (statusFont);
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const QFontMetrics progressFM (progressFont);
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const QString progressStr (progressString (tor));
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const int progressWidth = progressFM.width (progressStr);
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const QSize m (margin (*style));
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return QSize (m.width()*2 + iconSize + GUI_PAD + MAX3 (nameWidth, statusWidth, progressWidth),
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//m.height()*3 + nameFM.lineSpacing() + statusFM.lineSpacing()*2 + progressFM.lineSpacing());
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m.height()*3 + nameFM.lineSpacing() + statusFM.lineSpacing() + BAR_HEIGHT + progressFM.lineSpacing());
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}
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QSize
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TorrentDelegate :: sizeHint (const QStyleOptionViewItem & option,
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const QModelIndex & index) const
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{
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const Torrent * tor (index.data (TorrentModel::TorrentRole).value<const Torrent*>());
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return sizeHint (option, *tor);
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}
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void
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TorrentDelegate :: paint (QPainter * painter,
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const QStyleOptionViewItem & option,
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const QModelIndex & index) const
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{
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const Torrent * tor (index.data (TorrentModel::TorrentRole).value<const Torrent*>());
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painter->save ();
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painter->setClipRect (option.rect);
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drawTorrent (painter, option, *tor);
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painter->restore ();
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}
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void
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TorrentDelegate :: setProgressBarPercentDone (const QStyleOptionViewItem & option,
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const Torrent & tor) const
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{
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double seedRatioLimit;
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if (tor.isSeeding() && tor.getSeedRatio(seedRatioLimit))
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{
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const double seedRateRatio = tor.ratio() / seedRatioLimit;
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const int scaledProgress = seedRateRatio * (myProgressBarStyle->maximum - myProgressBarStyle->minimum);
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myProgressBarStyle->progress = myProgressBarStyle->minimum + scaledProgress;
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}
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else
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{
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const bool isMagnet (!tor.hasMetadata ());
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myProgressBarStyle->direction = option.direction;
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myProgressBarStyle->progress = int(myProgressBarStyle->minimum + (((isMagnet ? tor.metadataPercentDone() : tor.percentDone()) * (myProgressBarStyle->maximum - myProgressBarStyle->minimum))));
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}
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}
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void
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TorrentDelegate :: drawTorrent (QPainter * painter,
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const QStyleOptionViewItem & option,
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const Torrent & tor) const
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{
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const QStyle * style (QApplication::style ());
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static const int iconSize (style->pixelMetric (QStyle::PM_LargeIconSize));
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QFont nameFont (option.font);
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nameFont.setWeight (QFont::Bold);
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const QFontMetrics nameFM (nameFont);
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const QString nameStr (tor.name ());
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const QSize nameSize (nameFM.size (0, nameStr));
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QFont statusFont (option.font);
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statusFont.setPointSize (int (option.font.pointSize () * 0.9));
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const QFontMetrics statusFM (statusFont);
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const QString statusStr (progressString (tor));
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QFont progressFont (statusFont);
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const QFontMetrics progressFM (progressFont);
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const QString progressStr (statusString (tor));
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const bool isPaused (tor.isPaused ());
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painter->save ();
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if (option.state & QStyle::State_Selected)
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{
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QPalette::ColorGroup cg = option.state & QStyle::State_Enabled
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? QPalette::Normal : QPalette::Disabled;
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if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
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cg = QPalette::Inactive;
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painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
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}
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QIcon::Mode im;
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if (isPaused || !(option.state & QStyle::State_Enabled))
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im = QIcon::Disabled;
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else if (option.state & QStyle::State_Selected)
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im = QIcon::Selected;
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else
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im = QIcon::Normal;
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QIcon::State qs;
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if (isPaused)
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qs = QIcon::Off;
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else
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qs = QIcon::On;
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QPalette::ColorGroup cg = QPalette::Normal;
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if (isPaused || !(option.state & QStyle::State_Enabled))
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cg = QPalette::Disabled;
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if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
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cg = QPalette::Inactive;
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QPalette::ColorRole cr;
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if (option.state & QStyle::State_Selected)
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cr = QPalette::HighlightedText;
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else
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cr = QPalette::Text;
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QStyle::State progressBarState (option.state);
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if (isPaused)
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progressBarState = QStyle::State_None;
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progressBarState |= QStyle::State_Small;
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// layout
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const QSize m (margin (*style));
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QRect fillArea (option.rect);
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fillArea.adjust (m.width(), m.height(), -m.width(), -m.height());
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QRect iconArea (fillArea.x (), fillArea.y () + (fillArea.height () - iconSize) / 2, iconSize, iconSize);
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QRect nameArea (iconArea.x () + iconArea.width () + GUI_PAD, fillArea.y (),
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fillArea.width () - GUI_PAD - iconArea.width (), nameSize.height ());
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QRect statusArea (nameArea);
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statusArea.moveTop (nameArea.y () + nameFM.lineSpacing ());
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statusArea.setHeight (nameSize.height ());
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QRect barArea (statusArea);
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barArea.setHeight (BAR_HEIGHT);
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barArea.moveTop (statusArea.y () + statusFM.lineSpacing ());
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QRect progArea (statusArea);
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progArea.moveTop (barArea.y () + barArea.height ());
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// render
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if (tor.hasError ())
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painter->setPen (QColor ("red"));
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else
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painter->setPen (option.palette.color (cg, cr));
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tor.getMimeTypeIcon().paint (painter, iconArea, Qt::AlignCenter, im, qs);
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painter->setFont (nameFont);
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painter->drawText (nameArea, 0, nameFM.elidedText (nameStr, Qt::ElideRight, nameArea.width ()));
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painter->setFont (statusFont);
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painter->drawText (statusArea, 0, statusFM.elidedText (statusStr, Qt::ElideRight, statusArea.width ()));
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painter->setFont (progressFont);
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painter->drawText (progArea, 0, progressFM.elidedText (progressStr, Qt::ElideRight, progArea.width ()));
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myProgressBarStyle->rect = barArea;
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if (tor.isDownloading())
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{
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myProgressBarStyle->palette.setBrush (QPalette::Highlight, blueBrush);
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myProgressBarStyle->palette.setColor (QPalette::Base, blueBack);
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myProgressBarStyle->palette.setColor (QPalette::Window, blueBack);
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}
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else if (tor.isSeeding())
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{
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myProgressBarStyle->palette.setBrush (QPalette::Highlight, greenBrush);
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myProgressBarStyle->palette.setColor (QPalette::Base, greenBack);
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myProgressBarStyle->palette.setColor (QPalette::Window, greenBack);
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}
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else
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{
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myProgressBarStyle->palette.setBrush (QPalette::Highlight, silverBrush);
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myProgressBarStyle->palette.setColor (QPalette::Base, silverBack);
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myProgressBarStyle->palette.setColor (QPalette::Window, silverBack);
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}
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myProgressBarStyle->state = progressBarState;
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setProgressBarPercentDone (option, tor);
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style->drawControl (QStyle::CE_ProgressBar, myProgressBarStyle, painter);
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painter->restore ();
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}
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