282 lines
8.1 KiB
C++
282 lines
8.1 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 <algorithm>
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#include <QApplication>
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#include <QBrush>
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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 <libtransmission/transmission.h>
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#include <libtransmission/utils.h>
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#include "Torrent.h"
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#include "TorrentDelegateMin.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_WIDTH = 50,
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BAR_HEIGHT = 16,
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LINE_SPACING = 4
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};
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/***
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****
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**** +---------+-----------------------------------------------+
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**** | Icon | Title shortStatusString [Progressbar] |
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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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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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public:
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QFont nameFont;
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QFont statusFont;
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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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ItemLayout(QString const& nameText, QString const& statusText, QIcon const& emblemIcon, QFont const& baseFont,
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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).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 myStatusText;
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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, QIcon const& emblemIcon, QFont const& baseFont,
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Qt::LayoutDirection direction, QPoint const& topLeft, int width) :
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myNameText(nameText),
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myStatusText(statusText),
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nameFont(baseFont),
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statusFont(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_SmallIconSize));
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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() * 0.85));
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QFontMetrics const statusFM(statusFont);
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QSize const statusSize(statusFM.size(0, myStatusText));
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QStyleOptionProgressBar barStyle;
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barStyle.rect = QRect(0, 0, BAR_WIDTH, BAR_HEIGHT);
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barStyle.maximum = 100;
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barStyle.progress = 100;
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barStyle.textVisible = true;
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QSize const barSize(barStyle.rect.width() * 2 - style->subElementRect(QStyle::SE_ProgressBarGroove, &barStyle).width(),
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barStyle.rect.height());
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QRect baseRect(topLeft, QSize(width, std::max({ iconSize, nameSize.height(), statusSize.height(), barSize.height() })));
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iconRect = style->alignedRect(direction, Qt::AlignLeft | Qt::AlignVCenter, QSize(iconSize, iconSize), baseRect);
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emblemRect = style->alignedRect(direction, Qt::AlignRight | Qt::AlignBottom, emblemIcon.actualSize(iconRect.size() / 2,
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QIcon::Normal, QIcon::On), iconRect);
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barRect = style->alignedRect(direction, Qt::AlignRight | Qt::AlignVCenter, barSize, baseRect);
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Utils::narrowRect(baseRect, iconRect.width() + GUI_PAD, barRect.width() + GUI_PAD, direction);
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statusRect = style->alignedRect(direction, Qt::AlignRight | Qt::AlignVCenter, QSize(statusSize.width(), baseRect.height()),
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baseRect);
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Utils::narrowRect(baseRect, 0, statusRect.width() + GUI_PAD, direction);
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nameRect = baseRect;
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}
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} // namespace
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QSize TorrentDelegateMin::sizeHint(QStyleOptionViewItem const& option, Torrent const& tor) const
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{
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bool const isMagnet(!tor.hasMetadata());
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QSize const m(margin(*qApp->style()));
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ItemLayout const layout(isMagnet ? progressString(tor) : tor.name(), shortStatusString(tor), QIcon(), option.font,
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option.direction, 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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void TorrentDelegateMin::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 isMagnet(!tor.hasMetadata());
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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() ? getWarningEmblem() : 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(isMagnet ? progressString(tor) : tor.name(), shortStatusString(tor), emblemIcon, option.font,
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option.direction, contentRect.topLeft(), contentRect.width());
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// render
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if (tor.hasError() && !isItemSelected)
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{
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painter->setPen(QColor("red"));
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}
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else
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{
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painter->setPen(option.palette.color(cg, cr));
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}
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tor.getMimeTypeIcon().paint(painter, layout.iconRect, Qt::AlignCenter, im, qs);
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if (!emblemIcon.isNull())
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{
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emblemIcon.paint(painter, layout.emblemRect, Qt::AlignCenter, emblemIm, qs);
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}
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painter->setFont(layout.nameFont);
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painter->drawText(layout.nameRect, Qt::AlignLeft | Qt::AlignVCenter, layout.nameText());
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painter->setFont(layout.statusFont);
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painter->drawText(layout.statusRect, Qt::AlignLeft | Qt::AlignVCenter, layout.statusText());
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myProgressBarStyle->rect = layout.barRect;
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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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myProgressBarStyle->text = QString::fromLatin1("%1%").arg(static_cast<int>(tr_truncd(100.0 * tor.percentDone(), 0)));
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myProgressBarStyle->textVisible = true;
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myProgressBarStyle->textAlignment = Qt::AlignCenter;
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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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