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

   1 /*
   2  * This file Copyright (C) 2009-2014 Mnemosyne LLC
   3  *
   4  * It may be used under the GNU Public License v2 or v3 licenses,
   5  * or any future license endorsed by Mnemosyne LLC.
   6  *
   7  * $Id: torrent-delegate-min.cc 14225 2014-01-19 01:09:44Z jordan $
   8  */
   9
  10 #include <iostream>
  11
  12 #include <QApplication>
  13 #include <QBrush>
  14 #include <QFont>
  15 #include <QFontMetrics>
  16 #include <QIcon>
  17 #include <QModelIndex>
  18 #include <QPainter>
  19 #include <QPixmap>
  20 #include <QPixmapCache>
  21 #include <QStyleOptionProgressBar>
  22
  23 #include <libtransmission/transmission.h>
  24 #include <libtransmission/utils.h>
  25
  26 #include "torrent.h"
  27 #include "torrent-delegate-min.h"
  28 #include "torrent-model.h"
  29
  30 enum
  31 {
  32   GUI_PAD = 6,
  33   BAR_WIDTH = 50,
  34   BAR_HEIGHT = 12,
  35   LINE_SPACING = 4
  36 };
  37
  38 /***
  39 ****
  40 ****   +---------+-----------------------------------------------+
  41 ****   |  Icon   |   Title      shortStatusString [Progressbar]  |
  42 ****   +-------- +-----------------------------------------------+
  43 ****
  44 ***/
  45
  46 QSize
  47 TorrentDelegateMin :: sizeHint (const QStyleOptionViewItem & option,
  48                                 const Torrent              & tor) const
  49 {
  50   const QStyle* style (QApplication::style());
  51   static const int iconSize (style->pixelMetric (QStyle :: PM_SmallIconSize));
  52
  53   QFont nameFont (option.font);
  54   const QFontMetrics nameFM (nameFont);
  55   const bool isMagnet (!tor.hasMetadata());
  56   const QString nameStr = (isMagnet ? progressString (tor) : tor.name());
  57   const int nameWidth = nameFM.width (nameStr);
  58
  59   QFont statusFont (option.font);
  60   statusFont.setPointSize (int (option.font.pointSize() * 0.85));
  61   const QFontMetrics statusFM (statusFont);
  62   const QString statusStr (shortStatusString (tor));
  63   const int statusWidth = statusFM.width (statusStr);
  64
  65   const QSize m (margin (*style));
  66
  67   return QSize (m.width()*2 + iconSize + GUI_PAD + nameWidth
  68                                        + GUI_PAD + statusWidth
  69                                        + GUI_PAD + BAR_WIDTH,
  70                 m.height()*2 + std::max (nameFM.height(), (int)BAR_HEIGHT));
  71 }
  72
  73 void
  74 TorrentDelegateMin :: drawTorrent (QPainter                   * painter,
  75                                    const QStyleOptionViewItem & option,
  76                                    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     {
  97       QPalette::ColorGroup cg = option.state & QStyle::State_Enabled
  98                               ? QPalette::Normal : QPalette::Disabled;
  99       if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
 100         cg = QPalette::Inactive;
 101
 102       painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
 103     }
 104
 105   QIcon::Mode im;
 106   if (isPaused || !(option.state & QStyle::State_Enabled))
 107     im = QIcon::Disabled;
 108   else if (option.state & QStyle::State_Selected)
 109     im = QIcon::Selected;
 110   else
 111     im = QIcon::Normal;
 112
 113   QIcon::State qs;
 114   if (isPaused)
 115     qs = QIcon::Off;
 116   else
 117     qs = QIcon::On;
 118
 119   QPalette::ColorGroup cg = QPalette::Normal;
 120   if (isPaused || !(option.state & QStyle::State_Enabled))
 121     cg = QPalette::Disabled;
 122   if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
 123     cg = QPalette::Inactive;
 124
 125   QPalette::ColorRole cr;
 126   if (option.state & QStyle::State_Selected)
 127     cr = QPalette::HighlightedText;
 128   else
 129     cr = QPalette::Text;
 130
 131   QStyle::State progressBarState (option.state);
 132   if (isPaused)
 133     progressBarState = QStyle::State_None;
 134   progressBarState |= QStyle::State_Small;
 135
 136   // layout
 137   const QSize m (margin (*style));
 138   QRect fillArea (option.rect);
 139   fillArea.adjust (m.width(), m.height(), -m.width(), -m.height());
 140   const QRect iconArea (fillArea.x(),
 141                         fillArea.y() +  (fillArea.height() - iconSize) / 2,
 142                         iconSize,
 143                         iconSize);
 144   const QRect barArea (fillArea.x() + fillArea.width() - BAR_WIDTH,
 145                        fillArea.y() +  (fillArea.height() - BAR_HEIGHT) / 2,
 146                        BAR_WIDTH,
 147                        BAR_HEIGHT);
 148   const QRect statusArea (barArea.x() - GUI_PAD - statusSize.width(),
 149                           fillArea.y() +  (fillArea.height() - statusSize.height()) / 2,
 150                           fillArea.width(),
 151                           fillArea.height());
 152   const QRect nameArea (iconArea.x() + iconArea.width() + GUI_PAD,
 153                         fillArea.y(),
 154                         statusArea.x() -  (iconArea.x() + iconArea.width() + GUI_PAD * 2),
 155                         fillArea.height());
 156
 157   // render
 158   if (tor.hasError())
 159     painter->setPen (QColor ("red"));
 160   else
 161     painter->setPen (option.palette.color (cg, cr));
 162   tor.getMimeTypeIcon().paint (painter, iconArea, Qt::AlignCenter, im, qs);
 163   painter->setFont (nameFont);
 164   painter->drawText (nameArea, 0, nameFM.elidedText (nameStr, Qt::ElideRight, nameArea.width()));
 165   painter->setFont (statusFont);
 166   painter->drawText (statusArea, 0, statusStr);
 167   myProgressBarStyle->rect = barArea;
 168   if (tor.isDownloading())
 169     {
 170       myProgressBarStyle->palette.setBrush (QPalette::Highlight, blueBrush);
 171       myProgressBarStyle->palette.setColor (QPalette::Base, blueBack);
 172       myProgressBarStyle->palette.setColor (QPalette::Window, blueBack);
 173     }
 174   else if (tor.isSeeding())
 175     {
 176       myProgressBarStyle->palette.setBrush (QPalette::Highlight, greenBrush);
 177       myProgressBarStyle->palette.setColor (QPalette::Base, greenBack);
 178       myProgressBarStyle->palette.setColor (QPalette::Window, greenBack);
 179     }
 180   else
 181     {
 182       myProgressBarStyle->palette.setBrush (QPalette::Highlight, silverBrush);
 183       myProgressBarStyle->palette.setColor (QPalette::Base, silverBack);
 184       myProgressBarStyle->palette.setColor (QPalette::Window, silverBack);
 185     }
 186   myProgressBarStyle->state = progressBarState;
 187   char buf[32];
 188   tr_snprintf (buf, sizeof (buf), "%d%%", (int)tr_truncd (100.0 * tor.percentDone(), 0));
 189   myProgressBarStyle->text = buf;
 190   myProgressBarStyle->textVisible = true;
 191   myProgressBarStyle->textAlignment = Qt::AlignCenter;
 192   setProgressBarPercentDone (option, tor);
 193   style->drawControl (QStyle::CE_ProgressBar, myProgressBarStyle, painter);
 194
 195   painter->restore();
 196 }