mirror of
https://github.com/transmission/transmission
synced 2024-12-26 01:27:28 +00:00
574 lines
19 KiB
C++
574 lines
19 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 <QString>
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#include <QtGui>
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#include "app.h"
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#include "favicon.h"
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#include "filters.h"
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#include "filterbar.h"
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#include "hig.h"
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#include "prefs.h"
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#include "torrent-filter.h"
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#include "torrent-model.h"
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#include "utils.h"
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/****
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*****
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***** DELEGATE
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*****
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****/
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enum
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{
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TorrentCountRole = Qt::UserRole + 1,
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ActivityRole,
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TrackerRole
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};
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namespace
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{
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int getHSpacing( QWidget * w )
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{
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return qMax( int(HIG::PAD_SMALL), w->style()->pixelMetric( QStyle::PM_LayoutHorizontalSpacing, 0, w ) );
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}
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}
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FilterBarComboBoxDelegate :: FilterBarComboBoxDelegate( QObject * parent, QComboBox * combo ):
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QItemDelegate( parent ),
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myCombo( combo )
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{
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}
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bool
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FilterBarComboBoxDelegate :: isSeparator( const QModelIndex &index )
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{
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return index.data(Qt::AccessibleDescriptionRole).toString() == QLatin1String("separator");
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}
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void
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FilterBarComboBoxDelegate :: setSeparator( QAbstractItemModel * model, const QModelIndex& index )
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{
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model->setData( index, QString::fromLatin1("separator"), Qt::AccessibleDescriptionRole );
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if( QStandardItemModel *m = qobject_cast<QStandardItemModel*>(model) )
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if (QStandardItem *item = m->itemFromIndex(index))
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item->setFlags(item->flags() & ~(Qt::ItemIsSelectable|Qt::ItemIsEnabled));
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}
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void
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FilterBarComboBoxDelegate :: 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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if( isSeparator( index ) )
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{
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QRect rect = option.rect;
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if (const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3*>(&option))
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if (const QAbstractItemView *view = qobject_cast<const QAbstractItemView*>(v3->widget))
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rect.setWidth(view->viewport()->width());
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QStyleOption opt;
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opt.rect = rect;
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myCombo->style()->drawPrimitive(QStyle::PE_IndicatorToolBarSeparator, &opt, painter, myCombo);
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}
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else
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{
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QStyleOptionViewItem disabledOption = option;
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disabledOption.state &= ~( QStyle::State_Enabled | QStyle::State_Selected );
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QRect boundingBox = option.rect;
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const int hmargin = getHSpacing( myCombo );
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boundingBox.setLeft( boundingBox.left() + hmargin );
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boundingBox.setRight( boundingBox.right() - hmargin );
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QRect decorationRect = rect( option, index, Qt::DecorationRole );
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decorationRect.moveLeft( decorationRect.left( ) );
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decorationRect.setSize( myCombo->iconSize( ) );
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decorationRect = QStyle::alignedRect( Qt::LeftToRight,
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Qt::AlignLeft|Qt::AlignVCenter,
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decorationRect.size(), boundingBox );
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boundingBox.setLeft( decorationRect.right() + hmargin );
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QRect countRect = rect( option, index, TorrentCountRole );
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countRect = QStyle::alignedRect( Qt::LeftToRight,
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Qt::AlignRight|Qt::AlignVCenter,
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countRect.size(), boundingBox );
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boundingBox.setRight( countRect.left() - hmargin );
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const QRect displayRect = boundingBox;
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drawBackground( painter, option, index );
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QStyleOptionViewItem option2 = option;
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option2.decorationSize = myCombo->iconSize( );
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drawDecoration( painter, option, decorationRect, decoration(option2,index.data(Qt::DecorationRole)) );
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drawDisplay( painter, option, displayRect, index.data(Qt::DisplayRole).toString() );
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drawDisplay( painter, disabledOption, countRect, index.data(TorrentCountRole).toString() );
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drawFocus( painter, option, displayRect|countRect );
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}
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}
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QSize
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FilterBarComboBoxDelegate :: sizeHint( const QStyleOptionViewItem & option,
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const QModelIndex & index ) const
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{
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if( isSeparator( index ) )
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{
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const int pm = myCombo->style()->pixelMetric(QStyle::PM_DefaultFrameWidth, 0, myCombo);
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return QSize( pm, pm + 10 );
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}
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else
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{
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QStyle * s = myCombo->style( );
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const int hmargin = getHSpacing( myCombo );
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QSize size = QItemDelegate::sizeHint( option, index );
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size.setHeight( qMax( size.height(), myCombo->iconSize().height() + 6 ) );
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size.rwidth() += s->pixelMetric( QStyle::PM_FocusFrameHMargin, 0, myCombo );
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size.rwidth() += rect(option,index,TorrentCountRole).width();
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size.rwidth() += hmargin * 4;
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return size;
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}
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}
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/**
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***
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**/
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FilterBarComboBox :: FilterBarComboBox( QWidget * parent ):
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QComboBox( parent )
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{
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}
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void
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FilterBarComboBox :: paintEvent( QPaintEvent * e )
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{
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Q_UNUSED( e );
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QStylePainter painter(this);
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painter.setPen(palette().color(QPalette::Text));
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// draw the combobox frame, focusrect and selected etc.
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QStyleOptionComboBox opt;
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initStyleOption(&opt);
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painter.drawComplexControl(QStyle::CC_ComboBox, opt);
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// draw the icon and text
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const QModelIndex modelIndex = model()->index( currentIndex(), 0, rootModelIndex() );
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if( modelIndex.isValid( ) )
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{
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QStyle * s = style();
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QRect rect = s->subControlRect( QStyle::CC_ComboBox, &opt, QStyle::SC_ComboBoxEditField, this );
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const int hmargin = getHSpacing( this );
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rect.setRight( rect.right() - hmargin );
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// draw the icon
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QPixmap pixmap;
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QVariant variant = modelIndex.data( Qt::DecorationRole );
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switch( variant.type( ) ) {
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case QVariant::Pixmap: pixmap = qvariant_cast<QPixmap>(variant); break;
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case QVariant::Icon: pixmap = qvariant_cast<QIcon>(variant).pixmap(iconSize()); break;
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default: break;
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}
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if( !pixmap.isNull() ) {
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s->drawItemPixmap( &painter, rect, Qt::AlignLeft|Qt::AlignVCenter, pixmap );
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rect.setLeft( rect.left() + pixmap.width() + hmargin );
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}
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// draw the count
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QString text = modelIndex.data(TorrentCountRole).toString();
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if( !text.isEmpty( ) )
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{
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const QPen pen = painter.pen( );
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painter.setPen( opt.palette.color( QPalette::Disabled, QPalette::Text ) );
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QRect r = s->itemTextRect( painter.fontMetrics(), rect, Qt::AlignRight|Qt::AlignVCenter, false, text );
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painter.drawText( r, 0, text );
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rect.setRight( r.left() - hmargin );
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painter.setPen( pen );
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}
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// draw the text
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text = modelIndex.data( Qt::DisplayRole ).toString();
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text = painter.fontMetrics().elidedText ( text, Qt::ElideRight, rect.width() );
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s->drawItemText( &painter, rect, Qt::AlignLeft|Qt::AlignVCenter, opt.palette, true, text );
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}
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}
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/****
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*****
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***** ACTIVITY
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*****
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****/
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QComboBox*
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FilterBar :: createActivityCombo( )
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{
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QComboBox * c = new FilterBarComboBox( this );
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FilterBarComboBoxDelegate * delegate = new FilterBarComboBoxDelegate( 0, c );
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c->setItemDelegate( delegate );
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QPixmap blankPixmap( c->iconSize( ) );
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blankPixmap.fill( Qt::transparent );
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QIcon blankIcon( blankPixmap );
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QStandardItemModel * model = new QStandardItemModel;
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QStandardItem * row = new QStandardItem( tr( "All" ) );
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row->setData( FilterMode::SHOW_ALL, ActivityRole );
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model->appendRow( row );
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model->appendRow( new QStandardItem ); // separator
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delegate->setSeparator( model, model->index( 1, 0 ) );
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row = new QStandardItem( QIcon::fromTheme( "system-run", blankIcon ), tr( "Active" ) );
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row->setData( FilterMode::SHOW_ACTIVE, ActivityRole );
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model->appendRow( row );
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row = new QStandardItem( QIcon::fromTheme( "go-down", blankIcon ), tr( "Downloading" ) );
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row->setData( FilterMode::SHOW_DOWNLOADING, ActivityRole );
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model->appendRow( row );
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row = new QStandardItem( QIcon::fromTheme( "go-up", blankIcon ), tr( "Seeding" ) );
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row->setData( FilterMode::SHOW_SEEDING, ActivityRole );
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model->appendRow( row );
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row = new QStandardItem( QIcon::fromTheme( "media-playback-pause", blankIcon ), tr( "Paused" ) );
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row->setData( FilterMode::SHOW_PAUSED, ActivityRole );
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model->appendRow( row );
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row = new QStandardItem( blankIcon, tr( "Finished" ) );
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row->setData( FilterMode::SHOW_FINISHED, ActivityRole );
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model->appendRow( row );
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row = new QStandardItem( QIcon::fromTheme( "view-refresh", blankIcon ), tr( "Verifying" ) );
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row->setData( FilterMode::SHOW_VERIFYING, ActivityRole );
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model->appendRow( row );
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row = new QStandardItem( QIcon::fromTheme( "dialog-error", blankIcon ), tr( "Error" ) );
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row->setData( FilterMode::SHOW_ERROR, ActivityRole );
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model->appendRow( row );
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c->setModel( model );
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return c;
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}
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/****
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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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QString readableHostName( const QString host )
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{
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// get the readable name...
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QString name = host;
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const int pos = name.lastIndexOf( '.' );
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if( pos >= 0 )
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name.truncate( pos );
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if( !name.isEmpty( ) )
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name[0] = name[0].toUpper( );
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return name;
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}
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}
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void
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FilterBar :: refreshTrackers( )
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{
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Favicons& favicons = dynamic_cast<MyApp*>(QApplication::instance())->favicons;
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const int firstTrackerRow = 2; // skip over the "All" and separator...
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// pull info from the tracker model...
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QSet<QString> oldHosts;
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for( int row=firstTrackerRow; ; ++row ) {
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QModelIndex index = myTrackerModel->index( row, 0 );
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if( !index.isValid( ) )
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break;
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oldHosts << index.data(TrackerRole).toString();
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}
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// pull the new stats from the torrent model...
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QSet<QString> newHosts;
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QMap<QString,int> torrentsPerHost;
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for( int row=0; ; ++row )
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{
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QModelIndex index = myTorrents.index( row, 0 );
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if( !index.isValid( ) )
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break;
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const Torrent * tor = index.data( TorrentModel::TorrentRole ).value<const Torrent*>();
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const QStringList trackers = tor->trackers( );
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QSet<QString> torrentNames;
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foreach( QString tracker, trackers ) {
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const QString host = Favicons::getHost( QUrl( tracker ) );
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if( host.isEmpty( ) )
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qWarning() << "torrent" << qPrintable(tor->name()) << "has an invalid announce URL:" << tracker;
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else {
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newHosts.insert( host );
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torrentNames.insert( readableHostName( host ) );
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}
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}
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foreach( QString name, torrentNames )
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++torrentsPerHost[ name ];
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}
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// update the "All" row
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myTrackerModel->setData( myTrackerModel->index(0,0), getCountString(myTorrents.rowCount()), TorrentCountRole );
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// rows to update
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foreach( QString host, oldHosts & newHosts )
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{
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const QString name = readableHostName( host );
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QStandardItem * row = myTrackerModel->findItems(name).front();
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row->setData( getCountString(torrentsPerHost[name]), TorrentCountRole );
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row->setData( favicons.findFromHost(host), Qt::DecorationRole );
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}
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// rows to remove
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foreach( QString host, oldHosts - newHosts ) {
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const QString name = readableHostName( host );
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QStandardItem * item = myTrackerModel->findItems(name).front();
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if( !item->data(TrackerRole).toString().isEmpty() ) // don't remove "All"
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myTrackerModel->removeRows( item->row(), 1 );
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}
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// rows to add
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bool anyAdded = false;
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foreach( QString host, newHosts - oldHosts )
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{
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const QString name = readableHostName( host );
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if( !myTrackerModel->findItems(name).isEmpty() )
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continue;
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// find the sorted position to add this row
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int i = firstTrackerRow;
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for( int n=myTrackerModel->rowCount(); i<n; ++i ) {
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const QString rowName = myTrackerModel->index(i,0).data(Qt::DisplayRole).toString();
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if( rowName >= name )
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break;
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}
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// add the row
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QStandardItem * row = new QStandardItem( favicons.findFromHost( host ), name );
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row->setData( getCountString(torrentsPerHost[host]), TorrentCountRole );
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row->setData( favicons.findFromHost(host), Qt::DecorationRole );
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row->setData( host, TrackerRole );
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myTrackerModel->insertRow( i, row );
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anyAdded = true;
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}
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if( anyAdded ) // the one added might match our filter...
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refreshPref( Prefs::FILTER_TRACKERS );
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}
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QComboBox*
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FilterBar :: createTrackerCombo( QStandardItemModel * model )
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{
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QComboBox * c = new FilterBarComboBox( this );
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FilterBarComboBoxDelegate * delegate = new FilterBarComboBoxDelegate( 0, c );
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c->setItemDelegate( delegate );
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QStandardItem * row = new QStandardItem( tr( "All" ) );
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row->setData( "", TrackerRole );
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row->setData( getCountString(myTorrents.rowCount()), TorrentCountRole );
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model->appendRow( row );
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model->appendRow( new QStandardItem ); // separator
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delegate->setSeparator( model, model->index( 1, 0 ) );
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c->setModel( model );
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return c;
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}
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/****
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*****
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*****
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*****
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****/
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FilterBar :: FilterBar( Prefs& prefs, TorrentModel& torrents, TorrentFilter& filter, QWidget * parent ):
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QWidget( parent ),
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myPrefs( prefs ),
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myTorrents( torrents ),
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myFilter( filter ),
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myRecountTimer( new QTimer( this ) ),
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myIsBootstrapping( true )
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{
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QHBoxLayout * h = new QHBoxLayout( this );
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const int hmargin = qMax( int(HIG::PAD), style()->pixelMetric( QStyle::PM_LayoutHorizontalSpacing ) );
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h->setSpacing( 0 );
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h->setContentsMargins( 2, 2, 2, 2 );
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h->addWidget( new QLabel( tr( "Show:" ), this ) );
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h->addSpacing( hmargin );
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myActivityCombo = createActivityCombo( );
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h->addWidget( myActivityCombo, 1 );
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h->addSpacing( hmargin );
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myTrackerModel = new QStandardItemModel;
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myTrackerCombo = createTrackerCombo( myTrackerModel );
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h->addWidget( myTrackerCombo, 1 );
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h->addSpacing( hmargin*2 );
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myLineEdit = new QLineEdit( this );
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h->addWidget( myLineEdit );
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connect( myLineEdit, SIGNAL(textChanged(QString)), this, SLOT(onTextChanged(QString)));
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QPushButton * p = new QPushButton;
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QIcon icon = QIcon::fromTheme( "edit-clear", style()->standardIcon( QStyle::SP_DialogCloseButton ) );
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int iconSize = style()->pixelMetric( QStyle::PM_SmallIconSize );
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p->setIconSize( QSize( iconSize, iconSize ) );
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p->setIcon( icon );
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p->setFlat( true );
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h->addWidget( p );
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connect( p, SIGNAL(clicked(bool)), myLineEdit, SLOT(clear()));
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// listen for changes from the other players
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connect( &myPrefs, SIGNAL(changed(int)), this, SLOT(refreshPref(int)));
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connect( myActivityCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(onActivityIndexChanged(int)));
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connect( myTrackerCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(onTrackerIndexChanged(int)));
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connect( &myTorrents, SIGNAL(modelReset()), this, SLOT(onTorrentModelReset()));
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connect( &myTorrents, SIGNAL(rowsInserted(const QModelIndex&,int,int)), this, SLOT(onTorrentModelRowsInserted(const QModelIndex&,int,int)));
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connect( &myTorrents, SIGNAL(rowsRemoved(const QModelIndex&,int,int)), this, SLOT(onTorrentModelRowsRemoved(const QModelIndex&,int,int)));
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connect( &myTorrents, SIGNAL(dataChanged(const QModelIndex&,const QModelIndex&)), this, SLOT(onTorrentModelDataChanged(const QModelIndex&,const QModelIndex&)));
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connect( myRecountTimer, SIGNAL(timeout()), this, SLOT(recount()) );
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recountSoon( );
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refreshTrackers( );
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myIsBootstrapping = false;
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// initialize our state
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QList<int> initKeys;
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initKeys << Prefs :: FILTER_MODE
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<< Prefs :: FILTER_TRACKERS;
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foreach( int key, initKeys )
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refreshPref( key );
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}
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FilterBar :: ~FilterBar( )
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{
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delete myRecountTimer;
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}
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/***
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****
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***/
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void
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FilterBar :: refreshPref( int key )
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{
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switch( key )
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{
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case Prefs :: FILTER_MODE: {
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const FilterMode m = myPrefs.get<FilterMode>( key );
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QAbstractItemModel * model = myActivityCombo->model( );
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QModelIndexList indices = model->match( model->index(0,0), ActivityRole, m.mode(), -1 );
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myActivityCombo->setCurrentIndex( indices.isEmpty() ? 0 : indices.first().row( ) );
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break;
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}
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case Prefs :: FILTER_TRACKERS: {
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const QString tracker = myPrefs.getString( key );
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const QString name = readableHostName( tracker );
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QList<QStandardItem*> rows = myTrackerModel->findItems(name);
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if( !rows.isEmpty() )
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myTrackerCombo->setCurrentIndex( rows.front()->row() );
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else { // hm, we don't seem to have this tracker anymore...
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const bool isBootstrapping = myTrackerModel->rowCount( ) <= 2;
|
|
if( !isBootstrapping )
|
|
myPrefs.set( key, "" );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case Prefs :: FILTER_TEXT:
|
|
myLineEdit->setText( myPrefs.getString( key ) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
FilterBar :: onTextChanged( const QString& str )
|
|
{
|
|
if( !myIsBootstrapping )
|
|
myPrefs.set( Prefs::FILTER_TEXT, str.trimmed( ) );
|
|
}
|
|
|
|
void
|
|
FilterBar :: onTrackerIndexChanged( int i )
|
|
{
|
|
if( !myIsBootstrapping )
|
|
{
|
|
QString str;
|
|
const bool isTracker = !myTrackerCombo->itemData(i,TrackerRole).toString().isEmpty();
|
|
if( !isTracker ) // show all
|
|
str = "";
|
|
else {
|
|
str = myTrackerCombo->itemData(i,TrackerRole).toString();
|
|
const int pos = str.lastIndexOf( '.' );
|
|
if( pos >= 0 )
|
|
str.truncate( pos+1 );
|
|
}
|
|
myPrefs.set( Prefs::FILTER_TRACKERS, str );
|
|
}
|
|
}
|
|
|
|
void
|
|
FilterBar :: onActivityIndexChanged( int i )
|
|
{
|
|
if( !myIsBootstrapping )
|
|
{
|
|
const FilterMode mode = myActivityCombo->itemData( i, ActivityRole ).toInt( );
|
|
myPrefs.set( Prefs::FILTER_MODE, mode );
|
|
}
|
|
}
|
|
|
|
/***
|
|
****
|
|
***/
|
|
|
|
void FilterBar :: onTorrentModelReset( ) { recountSoon( ); }
|
|
void FilterBar :: onTorrentModelRowsInserted( const QModelIndex&, int, int ) { recountSoon( ); }
|
|
void FilterBar :: onTorrentModelRowsRemoved( const QModelIndex&, int, int ) { recountSoon( ); }
|
|
void FilterBar :: onTorrentModelDataChanged( const QModelIndex&, const QModelIndex& ) { recountSoon( ); }
|
|
|
|
void
|
|
FilterBar :: recountSoon( )
|
|
{
|
|
if( !myRecountTimer->isActive( ) )
|
|
{
|
|
myRecountTimer->setSingleShot( true );
|
|
myRecountTimer->start( 500 );
|
|
}
|
|
}
|
|
void
|
|
FilterBar :: recount ( )
|
|
{
|
|
// recount the activity combobox...
|
|
for( int i=0, n=FilterMode::NUM_MODES; i<n; ++i )
|
|
{
|
|
const FilterMode m( i );
|
|
QAbstractItemModel * model = myActivityCombo->model( );
|
|
QModelIndexList indices = model->match( model->index(0,0), ActivityRole, m.mode(), -1 );
|
|
if( !indices.isEmpty( ) )
|
|
model->setData( indices.first(), getCountString(myFilter.count(m)), TorrentCountRole );
|
|
}
|
|
|
|
refreshTrackers( );
|
|
}
|
|
|
|
QString
|
|
FilterBar :: getCountString( int n ) const
|
|
{
|
|
return QString("%L1").arg(n);
|
|
}
|