qBittorrent/src/gui/properties/peerlistdelegate.h
2017-04-05 17:39:44 +08:00

124 lines
4 KiB
C++

/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#ifndef PEERLISTDELEGATE_H
#define PEERLISTDELEGATE_H
#include <QItemDelegate>
#include <QPainter>
#include "base/preferences.h"
#include "base/utils/misc.h"
#include "base/utils/string.h"
class PeerListDelegate: public QItemDelegate
{
Q_OBJECT
public:
enum PeerListColumns
{
COUNTRY,
IP,
PORT,
CONNECTION,
FLAGS,
CLIENT,
PROGRESS,
DOWN_SPEED,
UP_SPEED,
TOT_DOWN,
TOT_UP,
RELEVANCE,
DOWNLOADING_PIECE,
IP_HIDDEN,
COL_COUNT
};
public:
PeerListDelegate(QObject *parent) : QItemDelegate(parent) {}
~PeerListDelegate() {}
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override
{
painter->save();
const bool hideValues = Preferences::instance()->getHideZeroValues();
QStyleOptionViewItem opt = QItemDelegate::setOptions(index, option);
QItemDelegate::drawBackground(painter, opt, index);
switch (index.column()) {
case PORT: {
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, option.rect, index.data().toString());
}
break;
case TOT_DOWN:
case TOT_UP: {
qlonglong size = index.data().toLongLong();
if (hideValues && (size <= 0))
break;
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, option.rect, Utils::Misc::friendlyUnit(size));
}
break;
case DOWN_SPEED:
case UP_SPEED: {
qreal speed = index.data().toDouble();
if (speed <= 0.0)
break;
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, opt.rect, Utils::Misc::friendlyUnit(speed, true));
}
break;
case PROGRESS:
case RELEVANCE: {
qreal progress = index.data().toDouble();
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, opt.rect, Utils::String::fromDouble(progress * 100.0, 1) + "%");
}
break;
default:
QItemDelegate::paint(painter, option, index);
}
painter->restore();
}
QWidget *createEditor(QWidget *, const QStyleOptionViewItem &, const QModelIndex &) const override
{
// No editor here
return nullptr;
}
};
#endif // PEERLISTDELEGATE_H