231 lines
7.9 KiB
C++
231 lines
7.9 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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* $Id$
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*/
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#include <iostream>
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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 = 12,
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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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public:
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ItemLayout(const QString& nameText, const QString& statusText, const QIcon& emblemIcon,
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const QFont& baseFont, Qt::LayoutDirection direction, const QPoint& 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 { return elidedText (nameFont, myNameText, nameRect.width ()); }
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QString statusText () const { return myStatusText; }
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private:
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QString elidedText (const QFont& font, const QString& 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(const QString& nameText, const QString& statusText, const QIcon& emblemIcon,
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const QFont& baseFont, Qt::LayoutDirection direction, const QPoint& 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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const QStyle * style (qApp->style ());
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const int iconSize (style->pixelMetric (QStyle::PM_SmallIconSize));
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const QFontMetrics nameFM (nameFont);
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const QSize nameSize (nameFM.size (0, myNameText));
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statusFont.setPointSize (static_cast<int> (statusFont.pointSize () * 0.85));
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const QFontMetrics statusFM (statusFont);
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const QSize statusSize (statusFM.size (0, myStatusText));
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QRect baseRect (topLeft, QSize (width, qMax (iconSize, qMax (nameSize.height (), qMax (statusSize.height (), static_cast<int>(BAR_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,
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emblemIcon.actualSize (iconRect.size () / 2, QIcon::Normal, QIcon::On),
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iconRect);
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barRect = style->alignedRect (direction, Qt::AlignRight | Qt::AlignVCenter, QSize (BAR_WIDTH, BAR_HEIGHT), 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 ()), 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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}
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QSize
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TorrentDelegateMin::sizeHint (const QStyleOptionViewItem & option,
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const Torrent & tor) const
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{
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const bool isMagnet (!tor.hasMetadata());
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const QSize m (margin (*qApp->style()));
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const ItemLayout layout (isMagnet ? progressString (tor) : tor.name(), shortStatusString (tor), QIcon (),
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option.font, 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
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TorrentDelegateMin::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 (qApp->style());
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const bool isPaused (tor.isPaused());
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const bool isMagnet (!tor.hasMetadata());
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const bool isItemSelected ((option.state & QStyle::State_Selected) != 0);
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const bool isItemEnabled ((option.state & QStyle::State_Enabled) != 0);
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const bool 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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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 || !isItemEnabled)
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im = QIcon::Disabled;
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else if (isItemSelected)
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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 || !isItemEnabled)
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cg = QPalette::Disabled;
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if (cg == QPalette::Normal && !isItemActive)
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cg = QPalette::Inactive;
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QPalette::ColorRole cr;
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if (isItemSelected)
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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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const QIcon::Mode emblemIm = isItemSelected ? QIcon::Selected : QIcon::Normal;
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const QIcon emblemIcon = tor.hasError () ? QIcon::fromTheme (QLatin1String ("emblem-important"), style->standardIcon (QStyle::SP_MessageBoxWarning)) : QIcon ();
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// layout
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const QSize m (margin (*style));
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const QRect contentRect (option.rect.adjusted (m.width(), m.height(), -m.width(), -m.height()));
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const ItemLayout layout (isMagnet ? progressString (tor) : tor.name(), shortStatusString (tor), emblemIcon,
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option.font, option.direction, contentRect.topLeft (), contentRect.width ());
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// render
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if (tor.hasError() && !isItemSelected)
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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, layout.iconRect, Qt::AlignCenter, im, qs);
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if (!emblemIcon.isNull ())
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emblemIcon.paint (painter, layout.emblemRect, Qt::AlignCenter, emblemIm, qs);
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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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