release/src/router/transmission/qt/torrent-delegate-min.cc

   1 /*
   2  * This file Copyright (C) Mnemosyne LLC
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2
   6  * as published by the Free Software Foundation.
   7  *
   8  * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
   9  *
  10  * $Id: torrent-delegate-min.cc 13244 2012-03-04 13:15:43Z jordan $
  11  */
  12
  13 #include <iostream>
  14
  15 #include <QApplication>
  16 #include <QBrush>
  17 #include <QFont>
  18 #include <QFontMetrics>
  19 #include <QIcon>
  20 #include <QModelIndex>
  21 #include <QPainter>
  22 #include <QPixmap>
  23 #include <QPixmapCache>
  24 #include <QStyleOptionProgressBarV2>
  25
  26 #include <libtransmission/transmission.h>
  27 #include <libtransmission/utils.h>
  28
  29 #include "torrent.h"
  30 #include "torrent-delegate-min.h"
  31 #include "torrent-model.h"
  32
  33 enum
  34 {
  35    GUI_PAD = 6,
  36    BAR_WIDTH = 50,
  37    BAR_HEIGHT = 12,
  38    LINE_SPACING = 4
  39 };
  40
  41 /***
  42 ****
  43 ****   +---------+-----------------------------------------------+
  44 ****   |  Icon   |   Title      shortStatusString [Progressbar]  |
  45 ****   +-------- +-----------------------------------------------+
  46 ****
  47 ***/
  48
  49 QSize
  50 TorrentDelegateMin :: sizeHint( const QStyleOptionViewItem& option, const Torrent& tor ) const
  51 {
  52     const QStyle* style( QApplication::style( ) );
  53     static const int iconSize( style->pixelMetric( QStyle :: PM_SmallIconSize ) );
  54
  55     QFont nameFont( option.font );
  56     const QFontMetrics nameFM( nameFont );
  57     const bool isMagnet( !tor.hasMetadata( ) );
  58     const QString nameStr = (isMagnet ? progressString( tor ) : tor.name( ) );
  59     const int nameWidth = nameFM.width( nameStr );
  60
  61     QFont statusFont( option.font );
  62     statusFont.setPointSize( int( option.font.pointSize( ) * 0.85 ) );
  63     const QFontMetrics statusFM( statusFont );
  64     const QString statusStr( shortStatusString( tor ) );
  65     const int statusWidth = statusFM.width( statusStr );
  66
  67     const QSize m( margin( *style ) );
  68
  69     return QSize( m.width()*2 + iconSize + GUI_PAD + nameWidth
  70                                          + GUI_PAD + statusWidth
  71                                          + GUI_PAD + BAR_WIDTH,
  72                   m.height()*2 + std::max( nameFM.height(), (int)BAR_HEIGHT ) );
  73 }
  74
  75 void
  76 TorrentDelegateMin :: drawTorrent( QPainter * painter, const QStyleOptionViewItem& option, const Torrent& tor ) const
  77 {
  78     const bool isPaused( tor.isPaused( ) );
  79     const QStyle * style( QApplication::style( ) );
  80     static const int iconSize( style->pixelMetric( QStyle :: PM_SmallIconSize ) );
  81
  82     QFont nameFont( option.font );
  83     const QFontMetrics nameFM( nameFont );
  84     const bool isMagnet( !tor.hasMetadata( ) );
  85     const QString nameStr = (isMagnet ? progressString( tor ) : tor.name( ) );
  86
  87     QFont statusFont( option.font );
  88     statusFont.setPointSize( int( option.font.pointSize( ) * 0.85 ) );
  89     const QFontMetrics statusFM( statusFont );
  90     const QString statusStr( shortStatusString( tor ) );
  91     const QSize statusSize( statusFM.size( 0, statusStr ) );
  92
  93     painter->save( );
  94
  95     if (option.state & QStyle::State_Selected) {
  96         QPalette::ColorGroup cg = option.state & QStyle::State_Enabled
  97                                   ? QPalette::Normal : QPalette::Disabled;
  98         if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
  99             cg = QPalette::Inactive;
 100
 101         painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
 102     }
 103
 104     QIcon::Mode im;
 105     if( isPaused || !(option.state & QStyle::State_Enabled ) ) im = QIcon::Disabled;
 106     else if( option.state & QStyle::State_Selected ) im = QIcon::Selected;
 107     else im = QIcon::Normal;
 108
 109     QIcon::State qs;
 110     if( isPaused ) qs = QIcon::Off;
 111     else qs = QIcon::On;
 112
 113     QPalette::ColorGroup cg = QPalette::Normal;
 114     if( isPaused || !(option.state & QStyle::State_Enabled ) ) cg = QPalette::Disabled;
 115     if( cg == QPalette::Normal && !(option.state & QStyle::State_Active ) ) cg = QPalette::Inactive;
 116
 117     QPalette::ColorRole cr;
 118     if( option.state & QStyle::State_Selected ) cr = QPalette::HighlightedText;
 119     else cr = QPalette::Text;
 120
 121     QStyle::State progressBarState( option.state );
 122     if( isPaused ) progressBarState = QStyle::State_None;
 123     progressBarState |= QStyle::State_Small;
 124
 125     // layout
 126     const QSize m( margin( *style ) );
 127     QRect fillArea( option.rect );
 128     fillArea.adjust( m.width(), m.height(), -m.width(), -m.height() );
 129     const QRect iconArea( fillArea.x( ),
 130                           fillArea.y( ) + ( fillArea.height( ) - iconSize ) / 2,
 131                           iconSize,
 132                           iconSize );
 133     const QRect barArea( fillArea.x( ) + fillArea.width( ) - BAR_WIDTH,
 134                          fillArea.y( ) + ( fillArea.height( ) - BAR_HEIGHT ) / 2,
 135                          BAR_WIDTH,
 136                          BAR_HEIGHT );
 137     const QRect statusArea( barArea.x( ) - GUI_PAD - statusSize.width( ),
 138                             fillArea.y( ) + ( fillArea.height( ) - statusSize.height( ) ) / 2,
 139                             fillArea.width( ),
 140                             fillArea.height( ) );
 141     const QRect nameArea( iconArea.x( ) + iconArea.width( ) + GUI_PAD,
 142                           fillArea.y( ),
 143                           statusArea.x( ) - ( iconArea.x( ) + iconArea.width( ) + GUI_PAD * 2 ),
 144                           fillArea.height( ) );
 145
 146     // render
 147     if( tor.hasError( ) )
 148         painter->setPen( QColor( "red" ) );
 149     else
 150         painter->setPen( option.palette.color( cg, cr ) );
 151     tor.getMimeTypeIcon().paint( painter, iconArea, Qt::AlignCenter, im, qs );
 152     painter->setFont( nameFont );
 153     painter->drawText( nameArea, 0, nameFM.elidedText( nameStr, Qt::ElideRight, nameArea.width( ) ) );
 154     painter->setFont( statusFont );
 155     painter->drawText( statusArea, 0, statusStr );
 156     myProgressBarStyle->rect = barArea;
 157     if ( tor.isDownloading() ) {
 158         myProgressBarStyle->palette.setBrush( QPalette::Highlight, blueBrush );
 159         myProgressBarStyle->palette.setColor( QPalette::Base, blueBack );
 160         myProgressBarStyle->palette.setColor( QPalette::Background, blueBack );
 161     }
 162     else if ( tor.isSeeding() ) {
 163         myProgressBarStyle->palette.setBrush( QPalette::Highlight, greenBrush );
 164         myProgressBarStyle->palette.setColor( QPalette::Base, greenBack );
 165         myProgressBarStyle->palette.setColor( QPalette::Background, greenBack );
 166     }
 167     myProgressBarStyle->state = progressBarState;
 168     char buf[32];
 169     tr_snprintf( buf, sizeof( buf ), "%d%%", (int)tr_truncd( 100.0 * tor.percentDone( ), 0 ) );
 170     myProgressBarStyle->text = buf;
 171     myProgressBarStyle->textVisible = true;
 172     myProgressBarStyle->textAlignment = Qt::AlignCenter;
 173     setProgressBarPercentDone( option, tor );
 174     style->drawControl( QStyle::CE_ProgressBar, myProgressBarStyle, painter );
 175
 176     painter->restore( );
 177 }