432 lines
15 KiB
C++
432 lines
15 KiB
C++
/*
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* This file Copyright (C) Mnemosyne LLC
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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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 <QStyleOptionProgressBarV2>
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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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TorrentDelegate :: TorrentDelegate( QObject * parent ):
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QItemDelegate( parent ),
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myProgressBarStyle( new QStyleOptionProgressBarV2 )
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{
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myProgressBarStyle->minimum = 0;
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myProgressBarStyle->maximum = 1000;
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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%)" ).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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static const QChar upArrow( 0x2191 );
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static const QChar downArrow( 0x2193 );
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const bool haveMeta( tor.hasMetadata( ) );
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const bool haveDown( haveMeta && tor.peersWeAreDownloadingFrom( ) > 0 );
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const bool haveUp( haveMeta && tor.peersWeAreUploadingTo( ) > 0 );
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QString downStr, upStr, str;
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if( haveDown )
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downStr = Formatter::speedToString( tor.downloadSpeed( ) );
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if( haveUp )
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upStr = Formatter::speedToString( tor.uploadSpeed( ) );
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if( haveDown && haveUp )
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str = tr( "%1 %2, %3 %4" ).arg(downArrow).arg(downStr).arg(upArrow).arg(upStr);
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else if( haveDown )
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str = tr( "%1 %2" ).arg(downArrow).arg(downStr);
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else if( haveUp )
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str = tr( "%1 %2" ).arg(upArrow).arg(upStr);
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else if( tor.isStalled( ) )
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str = tr( "Stalled" );
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else if( tor.hasMetadata( ) )
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str = tr( "Idle" );
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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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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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if( !tor.isDownloading( ) )
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str = tr( "Ratio: %1, " ).arg( Formatter::ratioToString( tor.ratio( ) ) );
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str += shortTransferString( tor );
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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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str = tr( "Downloading from %1 of %n connected peer(s)", 0, tor.connectedPeersAndWebseeds( ) )
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.arg( tor.peersWeAreDownloadingFrom( ) );
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else
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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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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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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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drawBackground( painter, option, index );
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drawTorrent( painter, option, *tor );
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drawFocus(painter, option, option.rect );
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painter->restore( );
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}
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void
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TorrentDelegate :: setProgressBarPercentDone( const QStyleOptionViewItem& option, 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 double invertedRatio = 1. - seedRateRatio;
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const int scaledProgress = invertedRatio * (myProgressBarStyle->maximum - myProgressBarStyle->minimum);
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myProgressBarStyle->progress = myProgressBarStyle->minimum + scaledProgress;
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myProgressBarStyle->direction = (option.direction == Qt::RightToLeft ? Qt::LeftToRight : Qt::RightToLeft);
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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, 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_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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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 ) ) im = QIcon::Disabled;
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else if( option.state & QStyle::State_Selected ) im = QIcon::Selected;
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else im = QIcon::Normal;
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QIcon::State qs;
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if( isPaused ) qs = QIcon::Off;
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else qs = QIcon::On;
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QPalette::ColorGroup cg = QPalette::Normal;
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if( isPaused || !(option.state & QStyle::State_Enabled ) ) cg = QPalette::Disabled;
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if( cg == QPalette::Normal && !(option.state & QStyle::State_Active ) ) cg = QPalette::Inactive;
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QPalette::ColorRole cr;
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if( option.state & QStyle::State_Selected ) cr = QPalette::HighlightedText;
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else cr = QPalette::Text;
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QStyle::State progressBarState( option.state );
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if( isPaused ) 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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myProgressBarStyle->palette = option.palette;
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myProgressBarStyle->palette.setCurrentColorGroup( cg );
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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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