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Some work about adaptive color scheme for Web UI (PR #19901) http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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qBittorrent/src/gui/transferlistdelegate.cpp

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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2006 Christophe Dumez <chris@qbittorrent.org>
*
* 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.
*/
#include "transferlistdelegate.h"
#include <QApplication>
#include <QDateTime>
#include <QModelIndex>
#include <QPainter>
#include <QStyleOptionViewItem>
#if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
#include <QProxyStyle>
#endif
#include "base/bittorrent/torrenthandle.h"
#include "base/preferences.h"
#include "base/types.h"
#include "base/unicodestrings.h"
#include "base/utils/misc.h"
#include "base/utils/string.h"
#include "transferlistmodel.h"
TransferListDelegate::TransferListDelegate(QObject *parent)
: QItemDelegate(parent)
{
}
void TransferListDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
painter->save();
bool isHideState = true;
if (Preferences::instance()->getHideZeroComboValues() == 1) { // paused torrents only
QModelIndex stateIndex = index.sibling(index.row(), TransferListModel::TR_STATUS);
if (stateIndex.data().value<BitTorrent::TorrentState>() != BitTorrent::TorrentState::PausedDownloading)
isHideState = false;
}
const bool hideValues = Preferences::instance()->getHideZeroValues() & isHideState;
QStyleOptionViewItem opt = QItemDelegate::setOptions(index, option);
QItemDelegate::drawBackground(painter, opt, index);
switch (index.column()) {
case TransferListModel::TR_AMOUNT_DOWNLOADED:
case TransferListModel::TR_AMOUNT_UPLOADED:
case TransferListModel::TR_AMOUNT_DOWNLOADED_SESSION:
case TransferListModel::TR_AMOUNT_UPLOADED_SESSION:
case TransferListModel::TR_AMOUNT_LEFT:
case TransferListModel::TR_COMPLETED:
case TransferListModel::TR_SIZE:
case TransferListModel::TR_TOTAL_SIZE: {
qlonglong size = index.data().toLongLong();
if (hideValues && !size)
break;
opt.displayAlignment = (Qt::AlignRight | Qt::AlignVCenter);
QItemDelegate::drawDisplay(painter, opt, option.rect, Utils::Misc::friendlyUnit(size));
}
break;
case TransferListModel::TR_ETA: {
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, option.rect, Utils::Misc::userFriendlyDuration(index.data().toLongLong(), MAX_ETA));
break;
}
case TransferListModel::TR_SEEDS:
case TransferListModel::TR_PEERS: {
qlonglong value = index.data().toLongLong();
qlonglong total = index.data(Qt::UserRole).toLongLong();
if (hideValues && (!value && !total))
break;
QString display = QString::number(value) + " (" + QString::number(total) + ')';
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, opt.rect, display);
}
break;
case TransferListModel::TR_STATUS: {
const auto state = index.data().value<BitTorrent::TorrentState>();
QString display = getStatusString(state);
QItemDelegate::drawDisplay(painter, opt, opt.rect, display);
}
break;
case TransferListModel::TR_UPSPEED:
case TransferListModel::TR_DLSPEED: {
const int speed = index.data().toInt();
if (hideValues && !speed)
break;
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, opt.rect, Utils::Misc::friendlyUnit(speed, true));
}
break;
case TransferListModel::TR_UPLIMIT:
case TransferListModel::TR_DLLIMIT: {
const qlonglong limit = index.data().toLongLong();
if (hideValues && !limit)
break;
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, opt.rect, limit > 0 ? Utils::Misc::friendlyUnit(limit, true) : QString::fromUtf8(C_INFINITY));
}
break;
case TransferListModel::TR_TIME_ELAPSED: {
const qlonglong elapsedTime = index.data().toLongLong();
const qlonglong seedingTime = index.data(Qt::UserRole).toLongLong();
const QString txt = (seedingTime > 0)
? tr("%1 (seeded for %2)", "e.g. 4m39s (seeded for 3m10s)")
.arg(Utils::Misc::userFriendlyDuration(elapsedTime)
, Utils::Misc::userFriendlyDuration(seedingTime))
: Utils::Misc::userFriendlyDuration(elapsedTime);
QItemDelegate::drawDisplay(painter, opt, opt.rect, txt);
}
break;
case TransferListModel::TR_ADD_DATE:
case TransferListModel::TR_SEED_DATE:
QItemDelegate::drawDisplay(painter, opt, opt.rect, index.data().toDateTime().toLocalTime().toString(Qt::DefaultLocaleShortDate));
break;
case TransferListModel::TR_RATIO_LIMIT:
case TransferListModel::TR_RATIO: {
const qreal ratio = index.data().toDouble();
if (hideValues && (ratio <= 0))
break;
QString str = ((ratio == -1) || (ratio > BitTorrent::TorrentHandle::MAX_RATIO)) ? QString::fromUtf8(C_INFINITY) : Utils::String::fromDouble(ratio, 2);
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, opt.rect, str);
}
break;
case TransferListModel::TR_QUEUE_POSITION: {
const int queuePos = index.data().toInt();
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
if (queuePos > 0) {
QItemDelegate::paint(painter, opt, index);
}
else {
QItemDelegate::drawDisplay(painter, opt, opt.rect, "*");
}
}
break;
case TransferListModel::TR_PROGRESS: {
QStyleOptionProgressBar newopt;
qreal progress = index.data().toDouble() * 100.;
newopt.rect = opt.rect;
newopt.text = ((progress == 100.0) ? QString("100%") : Utils::String::fromDouble(progress, 1) + '%');
newopt.progress = static_cast<int>(progress);
newopt.maximum = 100;
newopt.minimum = 0;
newopt.state |= QStyle::State_Enabled;
newopt.textVisible = true;
#if !defined(Q_OS_WIN) && !defined(Q_OS_MACOS)
QApplication::style()->drawControl(QStyle::CE_ProgressBar, &newopt, painter);
#else
// XXX: To avoid having the progress text on the right of the bar
QProxyStyle st("fusion");
st.drawControl(QStyle::CE_ProgressBar, &newopt, painter, 0);
#endif
}
break;
case TransferListModel::TR_LAST_ACTIVITY: {
qlonglong elapsed = index.data().toLongLong();
if (hideValues && ((elapsed < 0) || (elapsed >= MAX_ETA)))
break;
// Show '< 1m ago' when elapsed time is 0
if (elapsed == 0)
elapsed = 1;
QString elapsedString = (elapsed >= 0)
? tr("%1 ago", "e.g.: 1h 20m ago").arg(Utils::Misc::userFriendlyDuration(elapsed))
: Utils::Misc::userFriendlyDuration(elapsed);
opt.displayAlignment = Qt::AlignRight | Qt::AlignVCenter;
QItemDelegate::drawDisplay(painter, opt, option.rect, elapsedString);
}
break;
default:
QItemDelegate::paint(painter, option, index);
}
painter->restore();
}
QWidget *TransferListDelegate::createEditor(QWidget *, const QStyleOptionViewItem &, const QModelIndex &) const
{
// No editor here
return nullptr;
}
QSize TransferListDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
// Reimplementing sizeHint() because the 'name' column contains text+icon.
// When that WHOLE column goes out of view(eg user scrolls horizontally)
// the rows shrink if the text's height is smaller than the icon's height.
// This happens because icon from the 'name' column is no longer drawn.
static int nameColHeight = -1;
if (nameColHeight == -1) {
QModelIndex nameColumn = index.sibling(index.row(), TransferListModel::TR_NAME);
nameColHeight = QItemDelegate::sizeHint(option, nameColumn).height();
}
QSize size = QItemDelegate::sizeHint(option, index);
size.setHeight(std::max(nameColHeight, size.height()));
return size;
}
QString TransferListDelegate::getStatusString(const BitTorrent::TorrentState state) const
{
QString str;
switch (state) {
case BitTorrent::TorrentState::Downloading:
str = tr("Downloading");
break;
case BitTorrent::TorrentState::StalledDownloading:
str = tr("Stalled", "Torrent is waiting for download to begin");
break;
case BitTorrent::TorrentState::DownloadingMetadata:
str = tr("Downloading metadata", "used when loading a magnet link");
break;
case BitTorrent::TorrentState::ForcedDownloading:
str = tr("[F] Downloading", "used when the torrent is forced started. You probably shouldn't translate the F.");
break;
case BitTorrent::TorrentState::Allocating:
str = tr("Allocating", "qBittorrent is allocating the files on disk");
break;
case BitTorrent::TorrentState::Uploading:
case BitTorrent::TorrentState::StalledUploading:
str = tr("Seeding", "Torrent is complete and in upload-only mode");
break;
case BitTorrent::TorrentState::ForcedUploading:
str = tr("[F] Seeding", "used when the torrent is forced started. You probably shouldn't translate the F.");
break;
case BitTorrent::TorrentState::QueuedDownloading:
case BitTorrent::TorrentState::QueuedUploading:
str = tr("Queued", "i.e. torrent is queued");
break;
case BitTorrent::TorrentState::CheckingDownloading:
case BitTorrent::TorrentState::CheckingUploading:
str = tr("Checking", "Torrent local data is being checked");
break;
case BitTorrent::TorrentState::CheckingResumeData:
str = tr("Checking resume data", "used when loading the torrents from disk after qbt is launched. It checks the correctness of the .fastresume file. Normally it is completed in a fraction of a second, unless loading many many torrents.");
break;
case BitTorrent::TorrentState::PausedDownloading:
str = tr("Paused");
break;
case BitTorrent::TorrentState::PausedUploading:
str = tr("Completed");
break;
case BitTorrent::TorrentState::Moving:
str = tr("Moving", "Torrent local data are being moved/relocated");
break;
case BitTorrent::TorrentState::MissingFiles:
str = tr("Missing Files");
break;
case BitTorrent::TorrentState::Error:
str = tr("Errored", "torrent status, the torrent has an error");
break;
default:
str = "";
}
return str;
}