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transmission/qt/torrent-delegate.cc
Daniel Lee 6963f3dc93 (qt) fix partial seeds showing 100% downloaded
2010-05-31 15:30:44 +00:00

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/*
* This file Copyright (C) 2009-2010 Mnemosyne LLC
*
* This file is licensed by the GPL version 2. Works owned by the
* Transmission project are granted a special exemption to clause 2(b)
* so that the bulk of its code can remain under the MIT license.
* This exemption does not extend to derived works not owned by
* the Transmission project.
*
* $Id$
*/
#include <iostream>
#include <QApplication>
#include <QBrush>
#include <QFont>
#include <QFontMetrics>
#include <QIcon>
#include <QModelIndex>
#include <QPainter>
#include <QPixmap>
#include <QPixmapCache>
#include <QStyleOptionProgressBarV2>
#include "torrent.h"
#include "torrent-delegate.h"
#include "torrent-model.h"
#include "utils.h"
enum
{
GUI_PAD = 6,
BAR_HEIGHT = 12
};
TorrentDelegate :: TorrentDelegate( QObject * parent ):
QItemDelegate( parent ),
myProgressBarStyle( new QStyleOptionProgressBarV2 )
{
myProgressBarStyle->minimum = 0;
myProgressBarStyle->maximum = 1000;
}
TorrentDelegate :: ~TorrentDelegate( )
{
delete myProgressBarStyle;
}
/***
****
***/
QSize
TorrentDelegate :: margin( const QStyle& style ) const
{
Q_UNUSED( style );
return QSize( 4, 4 );
}
QString
TorrentDelegate :: progressString( const Torrent& tor ) const
{
const bool isDone( tor.isDone( ) );
const bool isSeed( tor.isSeed( ) );
const uint64_t haveTotal( tor.haveTotal( ) );
QString str;
double seedRatio;
const bool hasSeedRatio( tor.getSeedRatio( seedRatio ) );
if( !isDone ) // downloading
{
/* %1 is how much we've got,
%2 is how much we'll have when done,
%3 is a percentage of the two */
str = tr( "%1 of %2 (%3%)" ).arg( Utils::sizeToString( haveTotal ) )
.arg( Utils::sizeToString( tor.sizeWhenDone( ) ) )
.arg( tor.percentDone( ) * 100.0, 0, 'f', 2 );
}
else if( !isSeed ) // partial seed
{
if( hasSeedRatio )
{
/* %1 is how much we've got,
%2 is the torrent's total size,
%3 is a percentage of the two,
%4 is how much we've uploaded,
%5 is our upload-to-download ratio
%6 is the ratio we want to reach before we stop uploading */
str = tr( "%1 of %2 (%3%), uploaded %4 (Ratio: %5 Goal: %6)" )
.arg( Utils::sizeToString( haveTotal ) )
.arg( Utils::sizeToString( tor.totalSize( ) ) )
.arg( tor.percentComplete( ) * 100.0, 0, 'f', 2 )
.arg( Utils::sizeToString( tor.uploadedEver( ) ) )
.arg( Utils::ratioToString( tor.ratio( ) ) )
.arg( Utils::ratioToString( seedRatio ) );
}
else
{
/* %1 is how much we've got,
%2 is the torrent's total size,
%3 is a percentage of the two,
%4 is how much we've uploaded,
%5 is our upload-to-download ratio */
str = tr( "%1 of %2 (%3%), uploaded %4 (Ratio: %5)" )
.arg( Utils::sizeToString( haveTotal ) )
.arg( Utils::sizeToString( tor.totalSize( ) ) )
.arg( tor.percentComplete( ) * 100.0, 0, 'f', 2 )
.arg( Utils::sizeToString( tor.uploadedEver( ) ) )
.arg( Utils::ratioToString( tor.ratio( ) ) );
}
}
else // seeding
{
if( hasSeedRatio )
{
/* %1 is the torrent's total size,
%2 is how much we've uploaded,
%3 is our upload-to-download ratio,
%4 is the ratio we want to reach before we stop uploading */
str = tr( "%1, uploaded %2 (Ratio: %3 Goal %4)" )
.arg( Utils::sizeToString( haveTotal ) )
.arg( Utils::sizeToString( tor.uploadedEver( ) ) )
.arg( Utils::ratioToString( tor.ratio( ) ) )
.arg( Utils::ratioToString( seedRatio ) );
}
else /* seeding w/o a ratio */
{
/* %1 is the torrent's total size,
%2 is how much we've uploaded,
%3 is our upload-to-download ratio */
str = tr( "%1, uploaded %2 (Ratio: %3)" )
.arg( Utils::sizeToString( haveTotal ) )
.arg( Utils::sizeToString( tor.uploadedEver( ) ) )
.arg( Utils::ratioToString( tor.ratio( ) ) );
}
}
/* add time when downloading */
if( ( hasSeedRatio && tor.isSeeding( ) ) || tor.isDownloading( ) )
{
str += tr( " - " );
if( tor.hasETA( ) )
str += tr( "%1 left" ).arg( Utils::timeToString( tor.getETA( ) ) );
else
str += tr( "Remaining time unknown" );
}
return str;
}
QString
TorrentDelegate :: shortTransferString( const Torrent& tor ) const
{
const bool haveMeta( tor.hasMetadata( ) );
const bool haveDown( haveMeta && tor.peersWeAreDownloadingFrom( ) > 0 );
const bool haveUp( haveMeta && tor.peersWeAreUploadingTo( ) > 0 );
QString downStr, upStr, str;
if( haveDown )
downStr = Utils :: speedToString( tor.downloadSpeed( ) );
if( haveUp )
upStr = Utils :: speedToString( tor.uploadSpeed( ) );
if( haveDown && haveUp )
str = tr( "Down: %1, Up: %2" ).arg(downStr).arg(upStr);
else if( haveDown )
str = tr( "Down: %1" ).arg( downStr );
else if( haveUp )
str = tr( "Up: %1" ).arg( upStr );
else if( tor.hasMetadata( ) )
str = tr( "Idle" );
return str;
}
QString
TorrentDelegate :: shortStatusString( const Torrent& tor ) const
{
QString str;
switch( tor.getActivity( ) )
{
case TR_STATUS_CHECK:
str = tr( "Verifying local data (%1% tested)" ).arg( tor.getVerifyProgress()*100.0, 0, 'f', 1 );
break;
case TR_STATUS_DOWNLOAD:
case TR_STATUS_SEED:
if( !tor.isDownloading( ) )
str = tr( "Ratio: %1, " ).arg( Utils::ratioToString( tor.ratio( ) ) );
str += shortTransferString( tor );
break;
default:
str = tor.activityString( );
break;
}
return str;
}
QString
TorrentDelegate :: statusString( const Torrent& tor ) const
{
QString str;
if( tor.hasError( ) )
{
str = tor.getError( );
}
else switch( tor.getActivity( ) )
{
case TR_STATUS_STOPPED:
case TR_STATUS_CHECK_WAIT:
case TR_STATUS_CHECK:
str = shortStatusString( tor );
break;
case TR_STATUS_DOWNLOAD:
if( tor.hasMetadata( ) )
str = tr( "Downloading from %1 of %n connected peer(s)", 0, tor.connectedPeersAndWebseeds( ) )
.arg( tor.peersWeAreDownloadingFrom( ) );
else
str = tr( "Downloading metadata from %n peer(s) (%1% done)", 0, tor.peersWeAreDownloadingFrom( ) )
.arg( int(100.0 * tor.metadataPercentDone( ) ) );
break;
case TR_STATUS_SEED:
str = tr( "Seeding to %1 of %n connected peer(s)", 0, tor.connectedPeers( ) )
.arg( tor.peersWeAreUploadingTo( ) );
break;
default:
str = "Error";
break;
}
if( tor.isReadyToTransfer( ) ) {
QString s = shortTransferString( tor );
if( !s.isEmpty( ) )
str += tr( " - " ) + s;
}
return str;
}
/***
****
***/
namespace
{
int MAX3( int a, int b, int c )
{
const int ab( a > b ? a : b );
return ab > c ? ab : c;
}
}
QSize
TorrentDelegate :: sizeHint( const QStyleOptionViewItem& option, const Torrent& tor ) const
{
const QStyle* style( QApplication::style( ) );
static const int iconSize( style->pixelMetric( QStyle::PM_MessageBoxIconSize ) );
QFont nameFont( option.font );
nameFont.setWeight( QFont::Bold );
const QFontMetrics nameFM( nameFont );
const QString nameStr( tor.name( ) );
const QSize nameSize( nameFM.size( 0, nameStr ) );
QFont statusFont( option.font );
statusFont.setPointSize( int( option.font.pointSize( ) * 0.9 ) );
const QFontMetrics statusFM( statusFont );
const QString statusStr( statusString( tor ) );
const QSize statusSize( statusFM.size( 0, statusStr ) );
QFont progressFont( statusFont );
const QFontMetrics progressFM( progressFont );
const QString progressStr( progressString( tor ) );
const QSize progressSize( progressFM.size( 0, progressStr ) );
const QSize m( margin( *style ) );
return QSize( m.width()*2 + iconSize + GUI_PAD + MAX3( nameSize.width(), statusSize.width(), progressSize.width() ),
//m.height()*3 + nameFM.lineSpacing() + statusFM.lineSpacing()*2 + progressFM.lineSpacing() );
m.height()*3 + nameFM.lineSpacing() + statusFM.lineSpacing() + BAR_HEIGHT + progressFM.lineSpacing() );
}
QSize
TorrentDelegate :: sizeHint( const QStyleOptionViewItem & option,
const QModelIndex & index ) const
{
const Torrent * tor( index.model()->data( index, TorrentModel::TorrentRole ).value<const Torrent*>() );
return sizeHint( option, *tor );
}
void
TorrentDelegate :: paint( QPainter * painter,
const QStyleOptionViewItem & option,
const QModelIndex & index) const
{
const Torrent * tor( index.model()->data( index, TorrentModel::TorrentRole ).value<const Torrent*>() );
painter->save( );
painter->setClipRect( option.rect );
drawBackground( painter, option, index );
drawTorrent( painter, option, *tor );
drawFocus(painter, option, option.rect );
painter->restore( );
}
void
TorrentDelegate :: drawTorrent( QPainter * painter, const QStyleOptionViewItem& option, const Torrent& tor ) const
{
const QStyle * style( QApplication::style( ) );
static const int iconSize( style->pixelMetric( QStyle::PM_LargeIconSize ) );
QFont nameFont( option.font );
nameFont.setWeight( QFont::Bold );
const QFontMetrics nameFM( nameFont );
const QString nameStr( tor.name( ) );
const QSize nameSize( nameFM.size( 0, nameStr ) );
QFont statusFont( option.font );
statusFont.setPointSize( int( option.font.pointSize( ) * 0.9 ) );
const QFontMetrics statusFM( statusFont );
const QString statusStr( progressString( tor ) );
QFont progressFont( statusFont );
const QFontMetrics progressFM( progressFont );
const QString progressStr( statusString( tor ) );
const bool isPaused( tor.isPaused( ) );
painter->save( );
if (option.state & QStyle::State_Selected) {
QPalette::ColorGroup cg = option.state & QStyle::State_Enabled
? QPalette::Normal : QPalette::Disabled;
if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
cg = QPalette::Inactive;
painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
}
QIcon::Mode im;
if( isPaused || !(option.state & QStyle::State_Enabled ) ) im = QIcon::Disabled;
else if( option.state & QStyle::State_Selected ) im = QIcon::Selected;
else im = QIcon::Normal;
QIcon::State qs;
if( isPaused ) qs = QIcon::Off;
else qs = QIcon::On;
QPalette::ColorGroup cg = QPalette::Normal;
if( isPaused || !(option.state & QStyle::State_Enabled ) ) cg = QPalette::Disabled;
if( cg == QPalette::Normal && !(option.state & QStyle::State_Active ) ) cg = QPalette::Inactive;
QPalette::ColorRole cr;
if( option.state & QStyle::State_Selected ) cr = QPalette::HighlightedText;
else cr = QPalette::Text;
QStyle::State progressBarState( option.state );
if( isPaused ) progressBarState = QStyle::State_None;
progressBarState |= QStyle::State_Small;
// layout
const QSize m( margin( *style ) );
QRect fillArea( option.rect );
fillArea.adjust( m.width(), m.height(), -m.width(), -m.height() );
QRect iconArea( fillArea.x( ), fillArea.y( ) + ( fillArea.height( ) - iconSize ) / 2, iconSize, iconSize );
QRect nameArea( iconArea.x( ) + iconArea.width( ) + GUI_PAD, fillArea.y( ),
fillArea.width( ) - GUI_PAD - iconArea.width( ), nameSize.height( ) );
QRect statusArea( nameArea );
statusArea.moveTop( nameArea.y( ) + nameFM.lineSpacing( ) );
statusArea.setHeight( nameSize.height( ) );
QRect barArea( statusArea );
barArea.setHeight( BAR_HEIGHT );
barArea.moveTop( statusArea.y( ) + statusFM.lineSpacing( ) );
QRect progArea( statusArea );
progArea.moveTop( barArea.y( ) + barArea.height( ) );
// render
if( tor.hasError( ) )
painter->setPen( QColor( "red" ) );
else
painter->setPen( option.palette.color( cg, cr ) );
tor.getMimeTypeIcon().paint( painter, iconArea, Qt::AlignCenter, im, qs );
painter->setFont( nameFont );
painter->drawText( nameArea, 0, nameFM.elidedText( nameStr, Qt::ElideRight, nameArea.width( ) ) );
painter->setFont( statusFont );
painter->drawText( statusArea, 0, statusFM.elidedText( statusStr, Qt::ElideRight, statusArea.width( ) ) );
painter->setFont( progressFont );
painter->drawText( progArea, 0, progressFM.elidedText( progressStr, Qt::ElideRight, progArea.width( ) ) );
myProgressBarStyle->rect = barArea;
myProgressBarStyle->direction = option.direction;
myProgressBarStyle->palette = option.palette;
myProgressBarStyle->palette.setCurrentColorGroup( cg );
myProgressBarStyle->state = progressBarState;
myProgressBarStyle->progress = int(myProgressBarStyle->minimum + ((tor.percentDone() * (myProgressBarStyle->maximum - myProgressBarStyle->minimum))));
style->drawControl( QStyle::CE_ProgressBar, myProgressBarStyle, painter );
painter->restore( );
}
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