581 lines
18 KiB
C++
581 lines
18 KiB
C++
/*
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* This file Copyright (C) 2009-2015 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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*/
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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 "TorrentDelegate.h"
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#include "TorrentModel.h"
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#include "Utils.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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namespace
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{
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class ItemLayout
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{
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private:
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QString myNameText;
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QString myStatusText;
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QString myProgressText;
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public:
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QFont nameFont;
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QFont statusFont;
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QFont progressFont;
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QRect iconRect;
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QRect emblemRect;
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QRect nameRect;
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QRect statusRect;
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QRect barRect;
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QRect progressRect;
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public:
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ItemLayout(QString const& nameText, QString const& statusText, QString const& progressText, QIcon const& emblemIcon,
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QFont const& baseFont, Qt::LayoutDirection direction, QPoint const& topLeft, int width);
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QSize size() const
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{
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return (iconRect | nameRect | statusRect | barRect | progressRect).size();
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}
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QString nameText() const
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{
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return elidedText(nameFont, myNameText, nameRect.width());
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}
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QString statusText() const
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{
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return elidedText(statusFont, myStatusText, statusRect.width());
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}
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QString progressText() const
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{
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return elidedText(progressFont, myProgressText, progressRect.width());
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}
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private:
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QString elidedText(QFont const& font, QString const& text, int width) const
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{
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return QFontMetrics(font).elidedText(text, Qt::ElideRight, width);
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}
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};
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ItemLayout::ItemLayout(QString const& nameText, QString const& statusText, QString const& progressText, QIcon const& emblemIcon,
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QFont const& baseFont, Qt::LayoutDirection direction, QPoint const& topLeft, int width) :
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myNameText(nameText),
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myStatusText(statusText),
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myProgressText(progressText),
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nameFont(baseFont),
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statusFont(baseFont),
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progressFont(baseFont)
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{
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QStyle const* style(qApp->style());
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int const iconSize(style->pixelMetric(QStyle::PM_LargeIconSize));
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nameFont.setWeight(QFont::Bold);
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QFontMetrics const nameFM(nameFont);
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QSize const nameSize(nameFM.size(0, myNameText));
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statusFont.setPointSize(static_cast<int>(statusFont.pointSize() * 0.9));
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QFontMetrics const statusFM(statusFont);
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QSize const statusSize(statusFM.size(0, myStatusText));
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progressFont.setPointSize(static_cast<int>(progressFont.pointSize() * 0.9));
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QFontMetrics const progressFM(progressFont);
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QSize const progressSize(progressFM.size(0, myProgressText));
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QRect baseRect(topLeft, QSize(width, 0));
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Utils::narrowRect(baseRect, iconSize + GUI_PAD, 0, direction);
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nameRect = baseRect.adjusted(0, 0, 0, nameSize.height());
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statusRect = nameRect.adjusted(0, nameRect.height() + 1, 0, statusSize.height() + 1);
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barRect = statusRect.adjusted(0, statusRect.height() + 1, 0, BAR_HEIGHT + 1);
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progressRect = barRect.adjusted(0, barRect.height() + 1, 0, progressSize.height() + 1);
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iconRect = style->alignedRect(direction, Qt::AlignLeft | Qt::AlignVCenter, QSize(iconSize, iconSize),
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QRect(topLeft, QSize(width, progressRect.bottom() - nameRect.top())));
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emblemRect = style->alignedRect(direction, Qt::AlignRight | Qt::AlignBottom,
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emblemIcon.actualSize(iconRect.size() / 2, QIcon::Normal, QIcon::On), iconRect);
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}
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} // namespace
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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 TorrentDelegate::margin(QStyle const& 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 TorrentDelegate::progressString(Torrent const& tor)
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{
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bool const isMagnet(!tor.hasMetadata());
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bool const isDone(tor.isDone());
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bool const isSeed(tor.isSeed());
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uint64_t const haveTotal(tor.haveTotal());
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QString str;
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double seedRatio;
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bool const hasSeedRatio(tor.getSeedRatio(seedRatio));
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if (isMagnet) // magnet link with no metadata
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{
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//: First part of torrent progress string;
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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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//: First part of torrent progress string;
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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%)").arg(Formatter::sizeToString(haveTotal)).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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//: First part of torrent progress string;
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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)").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())).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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//: First part of torrent progress string;
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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)").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())).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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//: First part of torrent progress string;
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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)").arg(Formatter::sizeToString(haveTotal)).
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arg(Formatter::sizeToString(tor.uploadedEver())).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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//: First part of torrent progress string;
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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)").arg(Formatter::sizeToString(haveTotal)).
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arg(Formatter::sizeToString(tor.uploadedEver())).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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if (tor.hasETA())
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{
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//: Second (optional) part of torrent progress string;
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//: %1 is duration;
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//: notice that leading space (before the dash) is included here
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str += tr(" - %1 left").arg(Formatter::timeToString(tor.getETA()));
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}
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else
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{
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//: Second (optional) part of torrent progress string;
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//: notice that leading space (before the dash) is included here
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str += tr(" - Remaining time unknown");
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}
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}
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return str.trimmed();
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}
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QString TorrentDelegate::shortTransferString(Torrent const& tor)
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{
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QString str;
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bool const haveMeta(tor.hasMetadata());
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bool const haveDown(haveMeta && ((tor.webseedsWeAreDownloadingFrom() > 0) || (tor.peersWeAreDownloadingFrom() > 0)));
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bool const haveUp(haveMeta && tor.peersWeAreUploadingTo() > 0);
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if (haveDown)
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{
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str = Formatter::downloadSpeedToString(tor.downloadSpeed()) + QLatin1String(" ") +
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Formatter::uploadSpeedToString(tor.uploadSpeed());
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}
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else if (haveUp)
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{
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str = Formatter::uploadSpeedToString(tor.uploadSpeed());
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}
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return str.trimmed();
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}
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QString TorrentDelegate::shortStatusString(Torrent const& tor)
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{
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QString str;
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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 = shortTransferString(tor) + QLatin1String(" ") + tr("Ratio: %1").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.trimmed();
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}
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QString TorrentDelegate::statusString(Torrent const& tor)
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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
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{
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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 %Ln peer(s) (%1% done)", nullptr, 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
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* tr() */
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if (tor.connectedPeersAndWebseeds() == 0)
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{
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//: First part of phrase "Downloading from ... peer(s) and ... web seed(s)"
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str = tr("Downloading from %Ln peer(s)", nullptr, tor.peersWeAreDownloadingFrom());
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}
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else
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{
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//: First part of phrase "Downloading from ... of ... connected peer(s) and ... web seed(s)"
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str = tr("Downloading from %1 of %Ln connected peer(s)", nullptr, tor.connectedPeersAndWebseeds()).
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arg(tor.peersWeAreDownloadingFrom());
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}
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if (tor.webseedsWeAreDownloadingFrom())
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{
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//: Second (optional) part of phrase "Downloading from ... of ... connected peer(s) and ... web
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// seed(s)";
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//: notice that leading space (before "and") is included here
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str += tr(" and %Ln web seed(s)", nullptr, tor.webseedsWeAreDownloadingFrom());
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}
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}
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break;
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case TR_STATUS_SEED:
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if (tor.connectedPeers() == 0)
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{
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str = tr("Seeding to %Ln peer(s)", nullptr, tor.peersWeAreUploadingTo());
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}
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else
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{
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str = tr("Seeding to %1 of %Ln connected peer(s)", nullptr, tor.connectedPeers()).arg(tor.peersWeAreUploadingTo());
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}
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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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}
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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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{
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str += tr(" - ") + s;
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}
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}
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return str.trimmed();
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}
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/***
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****
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***/
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QSize TorrentDelegate::sizeHint(QStyleOptionViewItem const& option, Torrent const& tor) const
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{
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QSize const m(margin(*qApp->style()));
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ItemLayout const layout(tor.name(), progressString(tor), statusString(tor), QIcon(), option.font, option.direction,
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QPoint(0, 0), option.rect.width() - m.width() * 2);
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return layout.size() + m * 2;
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}
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QSize TorrentDelegate::sizeHint(QStyleOptionViewItem const& option, QModelIndex const& index) const
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{
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Torrent const* tor(index.data(TorrentModel::TorrentRole).value<Torrent const*>());
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return sizeHint(option, *tor);
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}
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void TorrentDelegate::paint(QPainter* painter, QStyleOptionViewItem const& option, QModelIndex const& index) const
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{
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Torrent const* tor(index.data(TorrentModel::TorrentRole).value<Torrent const*>());
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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 TorrentDelegate::setProgressBarPercentDone(QStyleOptionViewItem const& option, Torrent const& 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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double const seedRateRatio = tor.ratio() / seedRatioLimit;
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int const 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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bool const isMagnet(!tor.hasMetadata());
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myProgressBarStyle->direction = option.direction;
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myProgressBarStyle->progress = static_cast<int>(myProgressBarStyle->minimum + (((isMagnet ? tor.metadataPercentDone() :
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tor.percentDone()) * (myProgressBarStyle->maximum - myProgressBarStyle->minimum))));
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}
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}
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void TorrentDelegate::drawTorrent(QPainter* painter, QStyleOptionViewItem const& option, Torrent const& tor) const
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{
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QStyle const* style(qApp->style());
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bool const isPaused(tor.isPaused());
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bool const isItemSelected((option.state & QStyle::State_Selected) != 0);
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bool const isItemEnabled((option.state & QStyle::State_Enabled) != 0);
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bool const isItemActive((option.state & QStyle::State_Active) != 0);
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painter->save();
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if (isItemSelected)
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{
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QPalette::ColorGroup cg = isItemEnabled ? QPalette::Normal : QPalette::Disabled;
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if (cg == QPalette::Normal && !isItemActive)
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{
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cg = QPalette::Inactive;
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}
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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 || !isItemEnabled)
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{
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im = QIcon::Disabled;
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}
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else if (isItemSelected)
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{
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im = QIcon::Selected;
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}
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else
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{
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im = QIcon::Normal;
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}
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QIcon::State qs;
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if (isPaused)
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{
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qs = QIcon::Off;
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}
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else
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{
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qs = QIcon::On;
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}
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QPalette::ColorGroup cg = QPalette::Normal;
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if (isPaused || !isItemEnabled)
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{
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cg = QPalette::Disabled;
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}
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if (cg == QPalette::Normal && !isItemActive)
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{
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cg = QPalette::Inactive;
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}
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QPalette::ColorRole cr;
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if (isItemSelected)
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{
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cr = QPalette::HighlightedText;
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}
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else
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{
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cr = QPalette::Text;
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}
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QStyle::State progressBarState(option.state);
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if (isPaused)
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{
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progressBarState = QStyle::State_None;
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}
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progressBarState |= QStyle::State_Small;
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QIcon::Mode const emblemIm = isItemSelected ? QIcon::Selected : QIcon::Normal;
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QIcon const emblemIcon = tor.hasError() ? QIcon::fromTheme(QLatin1String("emblem-important"),
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style->standardIcon(QStyle::SP_MessageBoxWarning)) : QIcon();
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// layout
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QSize const m(margin(*style));
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QRect const contentRect(option.rect.adjusted(m.width(), m.height(), -m.width(), -m.height()));
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ItemLayout const layout(tor.name(), progressString(tor), statusString(tor), emblemIcon, option.font, option.direction,
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contentRect.topLeft(), contentRect.width());
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// render
|
|
if (tor.hasError() && !isItemSelected)
|
|
{
|
|
painter->setPen(QColor("red"));
|
|
}
|
|
else
|
|
{
|
|
painter->setPen(option.palette.color(cg, cr));
|
|
}
|
|
|
|
tor.getMimeTypeIcon().paint(painter, layout.iconRect, Qt::AlignCenter, im, qs);
|
|
|
|
if (!emblemIcon.isNull())
|
|
{
|
|
emblemIcon.paint(painter, layout.emblemRect, Qt::AlignCenter, emblemIm, qs);
|
|
}
|
|
|
|
painter->setFont(layout.nameFont);
|
|
painter->drawText(layout.nameRect, Qt::AlignLeft | Qt::AlignVCenter, layout.nameText());
|
|
painter->setFont(layout.statusFont);
|
|
painter->drawText(layout.statusRect, Qt::AlignLeft | Qt::AlignVCenter, layout.statusText());
|
|
painter->setFont(layout.progressFont);
|
|
painter->drawText(layout.progressRect, Qt::AlignLeft | Qt::AlignVCenter, layout.progressText());
|
|
myProgressBarStyle->rect = layout.barRect;
|
|
|
|
if (tor.isDownloading())
|
|
{
|
|
myProgressBarStyle->palette.setBrush(QPalette::Highlight, blueBrush);
|
|
myProgressBarStyle->palette.setColor(QPalette::Base, blueBack);
|
|
myProgressBarStyle->palette.setColor(QPalette::Window, blueBack);
|
|
}
|
|
else if (tor.isSeeding())
|
|
{
|
|
myProgressBarStyle->palette.setBrush(QPalette::Highlight, greenBrush);
|
|
myProgressBarStyle->palette.setColor(QPalette::Base, greenBack);
|
|
myProgressBarStyle->palette.setColor(QPalette::Window, greenBack);
|
|
}
|
|
else
|
|
{
|
|
myProgressBarStyle->palette.setBrush(QPalette::Highlight, silverBrush);
|
|
myProgressBarStyle->palette.setColor(QPalette::Base, silverBack);
|
|
myProgressBarStyle->palette.setColor(QPalette::Window, silverBack);
|
|
}
|
|
|
|
myProgressBarStyle->state = progressBarState;
|
|
setProgressBarPercentDone(option, tor);
|
|
|
|
style->drawControl(QStyle::CE_ProgressBar, myProgressBarStyle, painter);
|
|
|
|
painter->restore();
|
|
}
|