mirror of
https://github.com/transmission/transmission
synced 2024-12-25 09:13:06 +00:00
531 lines
18 KiB
C++
531 lines
18 KiB
C++
/*
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* This file Copyright (C) 2009-2015 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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* $Id$
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*/
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#include <QApplication>
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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 <QStyleOptionProgressBar>
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#include "Formatter.h"
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#include "Torrent.h"
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#include "TorrentDelegate.h"
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#include "TorrentModel.h"
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#include "Utils.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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QColor TorrentDelegate::greenBrush;
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QColor TorrentDelegate::blueBrush;
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QColor TorrentDelegate::silverBrush;
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QColor TorrentDelegate::greenBack;
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QColor TorrentDelegate::blueBack;
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QColor TorrentDelegate::silverBack;
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namespace
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{
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class ItemLayout
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{
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private:
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QString myNameText;
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QString myStatusText;
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QString myProgressText;
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public:
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QFont nameFont;
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QFont statusFont;
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QFont progressFont;
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QRect iconRect;
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QRect emblemRect;
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QRect nameRect;
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QRect statusRect;
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QRect barRect;
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QRect progressRect;
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public:
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ItemLayout(const QString& nameText, const QString& statusText, const QString& progressText,
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const QIcon& emblemIcon, const QFont& baseFont, Qt::LayoutDirection direction,
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const QPoint& topLeft, int width);
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QSize size () const
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{
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return (iconRect | nameRect | statusRect | barRect | progressRect).size ();
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}
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QString nameText () const { return elidedText (nameFont, myNameText, nameRect.width ()); }
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QString statusText () const { return elidedText (statusFont, myStatusText, statusRect.width ()); }
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QString progressText () const { return elidedText (progressFont, myProgressText, progressRect.width ()); }
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private:
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QString elidedText (const QFont& font, const QString& text, int width) const
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{
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return QFontMetrics (font).elidedText (text, Qt::ElideRight, width);
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}
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};
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ItemLayout::ItemLayout(const QString& nameText, const QString& statusText, const QString& progressText,
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const QIcon& emblemIcon, const QFont& baseFont, Qt::LayoutDirection direction,
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const QPoint& topLeft, int width):
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myNameText (nameText),
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myStatusText (statusText),
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myProgressText (progressText),
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nameFont (baseFont),
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statusFont (baseFont),
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progressFont (baseFont)
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{
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const QStyle * style (qApp->style ());
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const int iconSize (style->pixelMetric (QStyle::PM_LargeIconSize));
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nameFont.setWeight (QFont::Bold);
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const QFontMetrics nameFM (nameFont);
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const QSize nameSize (nameFM.size (0, myNameText));
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statusFont.setPointSize (static_cast<int> (statusFont.pointSize () * 0.9));
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const QFontMetrics statusFM (statusFont);
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const QSize statusSize (statusFM.size (0, myStatusText));
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progressFont.setPointSize (static_cast<int> (progressFont.pointSize () * 0.9));
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const QFontMetrics progressFM (progressFont);
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const QSize progressSize (progressFM.size (0, myProgressText));
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QRect baseRect (topLeft, QSize (width, 0));
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Utils::narrowRect (baseRect, iconSize + GUI_PAD, 0, direction);
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nameRect = baseRect.adjusted(0, 0, 0, nameSize.height ());
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statusRect = nameRect.adjusted(0, nameRect.height () + 1, 0, statusSize.height () + 1);
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barRect = statusRect.adjusted(0, statusRect.height () + 1, 0, BAR_HEIGHT + 1);
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progressRect = barRect.adjusted (0, barRect.height () + 1, 0, progressSize.height () + 1);
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iconRect = style->alignedRect (direction, Qt::AlignLeft | Qt::AlignVCenter,
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QSize (iconSize, iconSize),
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QRect (topLeft, QSize (width, progressRect.bottom () - nameRect.top ())));
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emblemRect = style->alignedRect (direction, Qt::AlignRight | Qt::AlignBottom,
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emblemIcon.actualSize (iconRect.size () / 2, QIcon::Normal, QIcon::On),
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iconRect);
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}
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}
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TorrentDelegate::TorrentDelegate (QObject * parent):
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QStyledItemDelegate (parent),
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myProgressBarStyle (new QStyleOptionProgressBar)
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{
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myProgressBarStyle->minimum = 0;
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myProgressBarStyle->maximum = 1000;
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greenBrush = QColor ("forestgreen");
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greenBack = QColor ("darkseagreen");
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blueBrush = QColor ("steelblue");
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blueBack = QColor ("lightgrey");
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silverBrush = QColor ("silver");
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silverBack = QColor ("grey");
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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)
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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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//: First part of torrent progress string;
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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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//: First part of torrent progress string;
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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%)")
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.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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//: First part of torrent progress string;
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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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//: First part of torrent progress string;
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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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//: First part of torrent progress string;
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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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//: First part of torrent progress string;
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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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if (tor.hasETA ())
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//: Second (optional) part of torrent progress string;
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//: %1 is duration;
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//: notice that leading space (before the dash) is included here
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str += tr (" - %1 left").arg (Formatter::timeToString (tor.getETA ()));
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else
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//: Second (optional) part of torrent progress string;
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//: notice that leading space (before the dash) is included here
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str += tr (" - Remaining time unknown");
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}
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return str.trimmed ();
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}
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QString
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TorrentDelegate::shortTransferString (const Torrent& tor)
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{
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QString str;
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const bool haveMeta (tor.hasMetadata());
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const bool haveDown (haveMeta && ((tor.webseedsWeAreDownloadingFrom()>0) || (tor.peersWeAreDownloadingFrom()>0)));
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const bool haveUp (haveMeta && tor.peersWeAreUploadingTo()>0);
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if (haveDown)
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str = Formatter::downloadSpeedToString(tor.downloadSpeed()) +
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QLatin1String (" ") +
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Formatter::uploadSpeedToString(tor.uploadSpeed());
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else if (haveUp)
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str = Formatter::uploadSpeedToString(tor.uploadSpeed());
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return str.trimmed ();
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}
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QString
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TorrentDelegate::shortStatusString (const Torrent& tor)
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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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str = shortTransferString(tor) +
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QLatin1String (" ") +
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tr("Ratio: %1").arg(Formatter::ratioToString(tor.ratio()));
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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.trimmed ();
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}
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QString
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TorrentDelegate::statusString (const Torrent& tor)
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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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{
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str = tr ("Downloading metadata from %Ln peer(s) (%1% done)", 0, tor.peersWeAreDownloadingFrom ())
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.arg (Formatter::percentToString (100.0 * tor.metadataPercentDone ()));
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}
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else
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{
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/* it would be nicer for translation if this was all one string, but I don't see how to do multiple %n's in tr() */
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if (tor.connectedPeersAndWebseeds () == 0)
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//: First part of phrase "Downloading from ... peer(s) and ... web seed(s)"
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str = tr ("Downloading from %Ln peer(s)", 0, tor.peersWeAreDownloadingFrom ());
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else
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//: First part of phrase "Downloading from ... of ... connected peer(s) and ... web seed(s)"
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str = tr ("Downloading from %1 of %Ln connected peer(s)", 0, tor.connectedPeersAndWebseeds ())
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.arg (tor.peersWeAreDownloadingFrom ());
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if (tor.webseedsWeAreDownloadingFrom())
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//: Second (optional) part of phrase "Downloading from ... of ... connected peer(s) and ... web seed(s)";
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//: notice that leading space (before "and") is included here
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str += tr(" and %Ln web seed(s)", 0, tor.webseedsWeAreDownloadingFrom());
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}
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break;
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case TR_STATUS_SEED:
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if (tor.connectedPeers () == 0)
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str = tr ("Seeding to %Ln peer(s)", 0, tor.peersWeAreUploadingTo ());
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else
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str = tr ("Seeding to %1 of %Ln 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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{
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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.trimmed ();
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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::sizeHint (const QStyleOptionViewItem& option, const Torrent& tor) const
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{
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const QSize m (margin (*qApp->style ()));
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const ItemLayout layout (tor.name (), progressString (tor), statusString (tor), QIcon (),
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option.font, option.direction, QPoint (0, 0), option.rect.width () - m.width () * 2);
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return layout.size () + m * 2;
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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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drawTorrent (painter, option, *tor);
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painter->restore ();
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}
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void
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TorrentDelegate::setProgressBarPercentDone (const QStyleOptionViewItem & option,
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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 int scaledProgress = seedRateRatio * (myProgressBarStyle->maximum - myProgressBarStyle->minimum);
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myProgressBarStyle->progress = myProgressBarStyle->minimum + scaledProgress;
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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 = static_cast<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,
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const QStyleOptionViewItem & option,
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const Torrent & tor) const
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{
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const QStyle * style (qApp->style ());
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const bool isPaused (tor.isPaused ());
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const bool isItemSelected ((option.state & QStyle::State_Selected) != 0);
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const bool isItemEnabled ((option.state & QStyle::State_Enabled) != 0);
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const bool isItemActive ((option.state & QStyle::State_Active) != 0);
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painter->save ();
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if (isItemSelected)
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{
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QPalette::ColorGroup cg = isItemEnabled ? QPalette::Normal : QPalette::Disabled;
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if (cg == QPalette::Normal && !isItemActive)
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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 || !isItemEnabled)
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im = QIcon::Disabled;
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else if (isItemSelected)
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im = QIcon::Selected;
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else
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im = QIcon::Normal;
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QIcon::State qs;
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if (isPaused)
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qs = QIcon::Off;
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else
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qs = QIcon::On;
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QPalette::ColorGroup cg = QPalette::Normal;
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if (isPaused || !isItemEnabled)
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cg = QPalette::Disabled;
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if (cg == QPalette::Normal && !isItemActive)
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cg = QPalette::Inactive;
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QPalette::ColorRole cr;
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if (isItemSelected)
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cr = QPalette::HighlightedText;
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else
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cr = QPalette::Text;
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QStyle::State progressBarState (option.state);
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if (isPaused)
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progressBarState = QStyle::State_None;
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progressBarState |= QStyle::State_Small;
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const QIcon::Mode emblemIm = isItemSelected ? QIcon::Selected : QIcon::Normal;
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const QIcon emblemIcon = tor.hasError () ? QIcon::fromTheme (QLatin1String ("emblem-important"), style->standardIcon (QStyle::SP_MessageBoxWarning)) : QIcon ();
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// layout
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const QSize m (margin (*style));
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const QRect contentRect (option.rect.adjusted (m.width(), m.height(), -m.width(), -m.height()));
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const ItemLayout layout (tor.name (), progressString (tor), statusString (tor), emblemIcon,
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option.font, option.direction, contentRect.topLeft (), contentRect.width ());
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// render
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if (tor.hasError () && !isItemSelected)
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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, layout.iconRect, Qt::AlignCenter, im, qs);
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if (!emblemIcon.isNull ())
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emblemIcon.paint (painter, layout.emblemRect, Qt::AlignCenter, emblemIm, qs);
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painter->setFont (layout.nameFont);
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painter->drawText (layout.nameRect, Qt::AlignLeft | Qt::AlignVCenter, layout.nameText ());
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painter->setFont (layout.statusFont);
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painter->drawText (layout.statusRect, Qt::AlignLeft | Qt::AlignVCenter, layout.statusText ());
|
|
painter->setFont (layout.progressFont);
|
|
painter->drawText (layout.progressRect, Qt::AlignLeft | Qt::AlignVCenter, layout.progressText ());
|
|
myProgressBarStyle->rect = layout.barRect;
|
|
if (tor.isDownloading())
|
|
{
|
|
myProgressBarStyle->palette.setBrush (QPalette::Highlight, blueBrush);
|
|
myProgressBarStyle->palette.setColor (QPalette::Base, blueBack);
|
|
myProgressBarStyle->palette.setColor (QPalette::Window, blueBack);
|
|
}
|
|
else if (tor.isSeeding())
|
|
{
|
|
myProgressBarStyle->palette.setBrush (QPalette::Highlight, greenBrush);
|
|
myProgressBarStyle->palette.setColor (QPalette::Base, greenBack);
|
|
myProgressBarStyle->palette.setColor (QPalette::Window, greenBack);
|
|
}
|
|
else
|
|
{
|
|
myProgressBarStyle->palette.setBrush (QPalette::Highlight, silverBrush);
|
|
myProgressBarStyle->palette.setColor (QPalette::Base, silverBack);
|
|
myProgressBarStyle->palette.setColor (QPalette::Window, silverBack);
|
|
}
|
|
myProgressBarStyle->state = progressBarState;
|
|
setProgressBarPercentDone (option, tor);
|
|
|
|
style->drawControl (QStyle::CE_ProgressBar, myProgressBarStyle, painter);
|
|
|
|
painter->restore ();
|
|
}
|