transmission/qt/torrent-delegate-min.cc

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/*
* This file Copyright (C) 2009-2014 Mnemosyne LLC
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*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
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*
* $Id$
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*/
#include <iostream>
#include <QApplication>
#include <QBrush>
#include <QFont>
#include <QFontMetrics>
#include <QIcon>
#include <QModelIndex>
#include <QPainter>
#include <QPixmap>
#include <QPixmapCache>
#include <QStyleOptionProgressBar>
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#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
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#include "torrent.h"
#include "torrent-delegate-min.h"
#include "torrent-model.h"
enum
{
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GUI_PAD = 6,
BAR_WIDTH = 50,
BAR_HEIGHT = 12,
LINE_SPACING = 4
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};
/***
****
**** +---------+-----------------------------------------------+
**** | Icon | Title shortStatusString [Progressbar] |
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**** +-------- +-----------------------------------------------+
****
***/
QSize
TorrentDelegateMin::sizeHint (const QStyleOptionViewItem & option,
const Torrent & tor) const
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{
const QStyle* style (qApp->style());
static const int iconSize (style->pixelMetric (QStyle::PM_SmallIconSize));
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QFont nameFont (option.font);
const QFontMetrics nameFM (nameFont);
const bool isMagnet (!tor.hasMetadata());
const QString nameStr = (isMagnet ? progressString (tor) : tor.name());
const int nameWidth = nameFM.width (nameStr);
QFont statusFont (option.font);
statusFont.setPointSize (static_cast<int> (option.font.pointSize() * 0.85));
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const QFontMetrics statusFM (statusFont);
const QString statusStr (shortStatusString (tor));
const int statusWidth = statusFM.width (statusStr);
const QSize m (margin (*style));
return QSize (m.width()*2 + iconSize + GUI_PAD + nameWidth
+ GUI_PAD + statusWidth
+ GUI_PAD + BAR_WIDTH,
m.height()*2 + std::max (nameFM.height(), (int)BAR_HEIGHT));
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}
void
TorrentDelegateMin::drawTorrent (QPainter * painter,
const QStyleOptionViewItem & option,
const Torrent & tor) const
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{
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const bool isPaused (tor.isPaused());
const QStyle * style (qApp->style());
static const int iconSize (style->pixelMetric (QStyle::PM_SmallIconSize));
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QFont nameFont (option.font);
const QFontMetrics nameFM (nameFont);
const bool isMagnet (!tor.hasMetadata());
const QString nameStr = (isMagnet ? progressString (tor) : tor.name());
QFont statusFont (option.font);
statusFont.setPointSize (static_cast<int> (option.font.pointSize() * 0.85));
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const QFontMetrics statusFM (statusFont);
const QString statusStr (shortStatusString (tor));
const QSize statusSize (statusFM.size (0, statusStr));
painter->save();
if (option.state & QStyle::State_Selected)
{
QPalette::ColorGroup cg = option.state & QStyle::State_Enabled
? QPalette::Normal : QPalette::Disabled;
if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
cg = QPalette::Inactive;
painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
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}
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QIcon::Mode im;
if (isPaused || !(option.state & QStyle::State_Enabled))
im = QIcon::Disabled;
else if (option.state & QStyle::State_Selected)
im = QIcon::Selected;
else
im = QIcon::Normal;
QIcon::State qs;
if (isPaused)
qs = QIcon::Off;
else
qs = QIcon::On;
QPalette::ColorGroup cg = QPalette::Normal;
if (isPaused || !(option.state & QStyle::State_Enabled))
cg = QPalette::Disabled;
if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
cg = QPalette::Inactive;
QPalette::ColorRole cr;
if (option.state & QStyle::State_Selected)
cr = QPalette::HighlightedText;
else
cr = QPalette::Text;
QStyle::State progressBarState (option.state);
if (isPaused)
progressBarState = QStyle::State_None;
progressBarState |= QStyle::State_Small;
// layout
const QSize m (margin (*style));
QRect fillArea (option.rect);
fillArea.adjust (m.width(), m.height(), -m.width(), -m.height());
const QRect iconArea (fillArea.x(),
fillArea.y() + (fillArea.height() - iconSize) / 2,
iconSize,
iconSize);
const QRect barArea (fillArea.x() + fillArea.width() - BAR_WIDTH,
fillArea.y() + (fillArea.height() - BAR_HEIGHT) / 2,
BAR_WIDTH,
BAR_HEIGHT);
const QRect statusArea (barArea.x() - GUI_PAD - statusSize.width(),
fillArea.y() + (fillArea.height() - statusSize.height()) / 2,
fillArea.width(),
fillArea.height());
const QRect nameArea (iconArea.x() + iconArea.width() + GUI_PAD,
fillArea.y(),
statusArea.x() - (iconArea.x() + iconArea.width() + GUI_PAD * 2),
fillArea.height());
// render
if (tor.hasError())
painter->setPen (QColor ("red"));
else
painter->setPen (option.palette.color (cg, cr));
tor.getMimeTypeIcon().paint (painter, iconArea, Qt::AlignCenter, im, qs);
painter->setFont (nameFont);
painter->drawText (nameArea, 0, nameFM.elidedText (nameStr, Qt::ElideRight, nameArea.width()));
painter->setFont (statusFont);
painter->drawText (statusArea, 0, statusStr);
myProgressBarStyle->rect = barArea;
if (tor.isDownloading())
{
myProgressBarStyle->palette.setBrush (QPalette::Highlight, blueBrush);
myProgressBarStyle->palette.setColor (QPalette::Base, blueBack);
myProgressBarStyle->palette.setColor (QPalette::Window, blueBack);
}
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else if (tor.isSeeding())
{
myProgressBarStyle->palette.setBrush (QPalette::Highlight, greenBrush);
myProgressBarStyle->palette.setColor (QPalette::Base, greenBack);
myProgressBarStyle->palette.setColor (QPalette::Window, greenBack);
}
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else
{
myProgressBarStyle->palette.setBrush (QPalette::Highlight, silverBrush);
myProgressBarStyle->palette.setColor (QPalette::Base, silverBack);
myProgressBarStyle->palette.setColor (QPalette::Window, silverBack);
}
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myProgressBarStyle->state = progressBarState;
myProgressBarStyle->text = QString::fromLatin1 ("%1%").arg (static_cast<int> (tr_truncd (100.0 * tor.percentDone (), 0)));
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myProgressBarStyle->textVisible = true;
myProgressBarStyle->textAlignment = Qt::AlignCenter;
setProgressBarPercentDone (option, tor);
style->drawControl (QStyle::CE_ProgressBar, myProgressBarStyle, painter);
painter->restore();
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}