src/gui/advancedsettings.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2016-2024 qBittorrent project
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "advancedsettings.h"
  30
  31 #include <limits>
  32
  33 #include <QHeaderView>
  34 #include <QHostAddress>
  35 #include <QLabel>
  36 #include <QNetworkInterface>
  37
  38 #include "base/bittorrent/session.h"
  39 #include "base/global.h"
  40 #include "base/preferences.h"
  41 #include "base/unicodestrings.h"
  42 #include "gui/addnewtorrentdialog.h"
  43 #include "gui/desktopintegration.h"
  44 #include "gui/mainwindow.h"
  45 #include "interfaces/iguiapplication.h"
  46
  47 namespace
  48 {
  49     QString makeLink(const QStringView url, const QStringView linkLabel)
  50     {
  51          return u"<a href=\"%1\">%2</a>"_s.arg(url, linkLabel);
  52     }
  53
  54     enum AdvSettingsCols
  55     {
  56         PROPERTY,
  57         VALUE,
  58         COL_COUNT
  59     };
  60
  61     enum AdvSettingsRows
  62     {
  63         // qBittorrent section
  64         QBITTORRENT_HEADER,
  65         RESUME_DATA_STORAGE,
  66         TORRENT_CONTENT_REMOVE_OPTION,
  67 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
  68         MEMORY_WORKING_SET_LIMIT,
  69 #endif
  70 #if defined(Q_OS_WIN)
  71         OS_MEMORY_PRIORITY,
  72 #endif
  73         // network interface
  74         NETWORK_IFACE,
  75         //Optional network address
  76         NETWORK_IFACE_ADDRESS,
  77         // behavior
  78         SAVE_RESUME_DATA_INTERVAL,
  79         SAVE_STATISTICS_INTERVAL,
  80         TORRENT_FILE_SIZE_LIMIT,
  81         CONFIRM_RECHECK_TORRENT,
  82         RECHECK_COMPLETED,
  83         // UI related
  84         APP_INSTANCE_NAME,
  85         LIST_REFRESH,
  86         RESOLVE_HOSTS,
  87         RESOLVE_COUNTRIES,
  88         PROGRAM_NOTIFICATIONS,
  89         TORRENT_ADDED_NOTIFICATIONS,
  90 #ifdef QBT_USES_DBUS
  91         NOTIFICATION_TIMEOUT,
  92 #endif
  93         CONFIRM_REMOVE_ALL_TAGS,
  94         CONFIRM_REMOVE_TRACKER_FROM_ALL_TORRENTS,
  95         REANNOUNCE_WHEN_ADDRESS_CHANGED,
  96         DOWNLOAD_TRACKER_FAVICON,
  97         SAVE_PATH_HISTORY_LENGTH,
  98         ENABLE_SPEED_WIDGET,
  99 #ifndef Q_OS_MACOS
 100         ENABLE_ICONS_IN_MENUS,
 101 #endif
 102         // embedded tracker
 103         TRACKER_STATUS,
 104         TRACKER_PORT,
 105         TRACKER_PORT_FORWARDING,
 106 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 107         ENABLE_MARK_OF_THE_WEB,
 108 #endif // Q_OS_MACOS || Q_OS_WIN
 109         PYTHON_EXECUTABLE_PATH,
 110         START_SESSION_PAUSED,
 111         SESSION_SHUTDOWN_TIMEOUT,
 112
 113         // libtorrent section
 114         LIBTORRENT_HEADER,
 115         BDECODE_DEPTH_LIMIT,
 116         BDECODE_TOKEN_LIMIT,
 117         ASYNC_IO_THREADS,
 118 #ifdef QBT_USES_LIBTORRENT2
 119         HASHING_THREADS,
 120 #endif
 121         FILE_POOL_SIZE,
 122         CHECKING_MEM_USAGE,
 123 #ifndef QBT_USES_LIBTORRENT2
 124         // cache
 125         DISK_CACHE,
 126         DISK_CACHE_TTL,
 127 #endif
 128         DISK_QUEUE_SIZE,
 129 #ifdef QBT_USES_LIBTORRENT2
 130         DISK_IO_TYPE,
 131 #endif
 132         DISK_IO_READ_MODE,
 133         DISK_IO_WRITE_MODE,
 134 #ifndef QBT_USES_LIBTORRENT2
 135         COALESCE_RW,
 136 #endif
 137         PIECE_EXTENT_AFFINITY,
 138         SUGGEST_MODE,
 139         SEND_BUF_WATERMARK,
 140         SEND_BUF_LOW_WATERMARK,
 141         SEND_BUF_WATERMARK_FACTOR,
 142         // networking & ports
 143         CONNECTION_SPEED,
 144         SOCKET_SEND_BUFFER_SIZE,
 145         SOCKET_RECEIVE_BUFFER_SIZE,
 146         SOCKET_BACKLOG_SIZE,
 147         OUTGOING_PORT_MIN,
 148         OUTGOING_PORT_MAX,
 149         UPNP_LEASE_DURATION,
 150         PEER_TOS,
 151         UTP_MIX_MODE,
 152         IDN_SUPPORT,
 153         MULTI_CONNECTIONS_PER_IP,
 154         VALIDATE_HTTPS_TRACKER_CERTIFICATE,
 155         SSRF_MITIGATION,
 156         BLOCK_PEERS_ON_PRIVILEGED_PORTS,
 157         // seeding
 158         CHOKING_ALGORITHM,
 159         SEED_CHOKING_ALGORITHM,
 160         // tracker
 161         ANNOUNCE_ALL_TRACKERS,
 162         ANNOUNCE_ALL_TIERS,
 163         ANNOUNCE_IP,
 164         MAX_CONCURRENT_HTTP_ANNOUNCES,
 165         STOP_TRACKER_TIMEOUT,
 166         PEER_TURNOVER,
 167         PEER_TURNOVER_CUTOFF,
 168         PEER_TURNOVER_INTERVAL,
 169         REQUEST_QUEUE_SIZE,
 170         DHT_BOOTSTRAP_NODES,
 171 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 172         I2P_INBOUND_QUANTITY,
 173         I2P_OUTBOUND_QUANTITY,
 174         I2P_INBOUND_LENGTH,
 175         I2P_OUTBOUND_LENGTH,
 176 #endif
 177
 178         ROW_COUNT
 179     };
 180 }
 181
 182 AdvancedSettings::AdvancedSettings(IGUIApplication *app, QWidget *parent)
 183     : GUIApplicationComponent(app, parent)
 184 {
 185     // column
 186     setColumnCount(COL_COUNT);
 187     const QStringList header = {tr("Setting"), tr("Value", "Value set for this setting")};
 188     setHorizontalHeaderLabels(header);
 189     // row
 190     setRowCount(ROW_COUNT);
 191     verticalHeader()->setVisible(false);
 192     // etc.
 193     setAlternatingRowColors(true);
 194     setSelectionMode(QAbstractItemView::NoSelection);
 195     setEditTriggers(QAbstractItemView::NoEditTriggers);
 196     // Load settings
 197     loadAdvancedSettings();
 198     resizeColumnToContents(0);
 199     horizontalHeader()->setStretchLastSection(true);
 200 }
 201
 202 void AdvancedSettings::saveAdvancedSettings() const
 203 {
 204     Preferences *const pref = Preferences::instance();
 205     BitTorrent::Session *const session = BitTorrent::Session::instance();
 206
 207     session->setResumeDataStorageType(m_comboBoxResumeDataStorage.currentData().value<BitTorrent::ResumeDataStorageType>());
 208 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
 209     // Physical memory (RAM) usage limit
 210     app()->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
 211 #endif
 212 #if defined(Q_OS_WIN)
 213     app()->setProcessMemoryPriority(m_comboBoxOSMemoryPriority.currentData().value<MemoryPriority>());
 214 #endif
 215     // Bdecode depth limit
 216     pref->setBdecodeDepthLimit(m_spinBoxBdecodeDepthLimit.value());
 217     // Bdecode token limit
 218     pref->setBdecodeTokenLimit(m_spinBoxBdecodeTokenLimit.value());
 219     // Async IO threads
 220     session->setAsyncIOThreads(m_spinBoxAsyncIOThreads.value());
 221 #ifdef QBT_USES_LIBTORRENT2
 222     // Hashing threads
 223     session->setHashingThreads(m_spinBoxHashingThreads.value());
 224 #endif
 225     // File pool size
 226     session->setFilePoolSize(m_spinBoxFilePoolSize.value());
 227     // Checking Memory Usage
 228     session->setCheckingMemUsage(m_spinBoxCheckingMemUsage.value());
 229 #ifndef QBT_USES_LIBTORRENT2
 230     // Disk write cache
 231     session->setDiskCacheSize(m_spinBoxCache.value());
 232     session->setDiskCacheTTL(m_spinBoxCacheTTL.value());
 233 #endif
 234     // Disk queue size
 235     session->setDiskQueueSize(m_spinBoxDiskQueueSize.value() * 1024);
 236 #ifdef QBT_USES_LIBTORRENT2
 237     session->setDiskIOType(m_comboBoxDiskIOType.currentData().value<BitTorrent::DiskIOType>());
 238 #endif
 239     // Disk IO read mode
 240     session->setDiskIOReadMode(m_comboBoxDiskIOReadMode.currentData().value<BitTorrent::DiskIOReadMode>());
 241     // Disk IO write mode
 242     session->setDiskIOWriteMode(m_comboBoxDiskIOWriteMode.currentData().value<BitTorrent::DiskIOWriteMode>());
 243 #ifndef QBT_USES_LIBTORRENT2
 244     // Coalesce reads & writes
 245     session->setCoalesceReadWriteEnabled(m_checkBoxCoalesceRW.isChecked());
 246 #endif
 247     // Piece extent affinity
 248     session->setPieceExtentAffinity(m_checkBoxPieceExtentAffinity.isChecked());
 249     // Suggest mode
 250     session->setSuggestMode(m_checkBoxSuggestMode.isChecked());
 251     // Send buffer watermark
 252     session->setSendBufferWatermark(m_spinBoxSendBufferWatermark.value());
 253     session->setSendBufferLowWatermark(m_spinBoxSendBufferLowWatermark.value());
 254     session->setSendBufferWatermarkFactor(m_spinBoxSendBufferWatermarkFactor.value());
 255     // Outgoing connections per second
 256     session->setConnectionSpeed(m_spinBoxConnectionSpeed.value());
 257     // Socket send buffer size
 258     session->setSocketSendBufferSize(m_spinBoxSocketSendBufferSize.value() * 1024);
 259     // Socket receive buffer size
 260     session->setSocketReceiveBufferSize(m_spinBoxSocketReceiveBufferSize.value() * 1024);
 261     // Socket listen backlog size
 262     session->setSocketBacklogSize(m_spinBoxSocketBacklogSize.value());
 263     // Save resume data interval
 264     session->setSaveResumeDataInterval(m_spinBoxSaveResumeDataInterval.value());
 265     // Save statistics interval
 266     session->setSaveStatisticsInterval(std::chrono::minutes(m_spinBoxSaveStatisticsInterval.value()));
 267     // .torrent file size limit
 268     pref->setTorrentFileSizeLimit(m_spinBoxTorrentFileSizeLimit.value() * 1024 * 1024);
 269     // Outgoing ports
 270     session->setOutgoingPortsMin(m_spinBoxOutgoingPortsMin.value());
 271     session->setOutgoingPortsMax(m_spinBoxOutgoingPortsMax.value());
 272     // UPnP lease duration
 273     session->setUPnPLeaseDuration(m_spinBoxUPnPLeaseDuration.value());
 274     // Type of service
 275     session->setPeerToS(m_spinBoxPeerToS.value());
 276     // uTP-TCP mixed mode
 277     session->setUtpMixedMode(m_comboBoxUtpMixedMode.currentData().value<BitTorrent::MixedModeAlgorithm>());
 278     // Support internationalized domain name (IDN)
 279     session->setIDNSupportEnabled(m_checkBoxIDNSupport.isChecked());
 280     // multiple connections per IP
 281     session->setMultiConnectionsPerIpEnabled(m_checkBoxMultiConnectionsPerIp.isChecked());
 282     // Validate HTTPS tracker certificate
 283     session->setValidateHTTPSTrackerCertificate(m_checkBoxValidateHTTPSTrackerCertificate.isChecked());
 284     // SSRF mitigation
 285     session->setSSRFMitigationEnabled(m_checkBoxSSRFMitigation.isChecked());
 286     // Disallow connection to peers on privileged ports
 287     session->setBlockPeersOnPrivilegedPorts(m_checkBoxBlockPeersOnPrivilegedPorts.isChecked());
 288     // Recheck torrents on completion
 289     pref->recheckTorrentsOnCompletion(m_checkBoxRecheckCompleted.isChecked());
 290     // Customize application instance name
 291     app()->setInstanceName(m_lineEditAppInstanceName.text());
 292     // Transfer list refresh interval
 293     session->setRefreshInterval(m_spinBoxListRefresh.value());
 294     // Peer resolution
 295     pref->resolvePeerCountries(m_checkBoxResolveCountries.isChecked());
 296     pref->resolvePeerHostNames(m_checkBoxResolveHosts.isChecked());
 297     // Network interface
 298     session->setNetworkInterface(m_comboBoxInterface.currentData().toString());
 299     session->setNetworkInterfaceName((m_comboBoxInterface.currentIndex() == 0)
 300         ? QString()
 301         : m_comboBoxInterface.currentText());
 302     // Interface address
 303     // Construct a QHostAddress to filter malformed strings
 304     const QHostAddress ifaceAddr {m_comboBoxInterfaceAddress.currentData().toString()};
 305     session->setNetworkInterfaceAddress(ifaceAddr.toString());
 306     // Announce IP
 307     // Construct a QHostAddress to filter malformed strings
 308     const QHostAddress addr(m_lineEditAnnounceIP.text().trimmed());
 309     session->setAnnounceIP(addr.toString());
 310     // Max concurrent HTTP announces
 311     session->setMaxConcurrentHTTPAnnounces(m_spinBoxMaxConcurrentHTTPAnnounces.value());
 312     // Stop tracker timeout
 313     session->setStopTrackerTimeout(m_spinBoxStopTrackerTimeout.value());
 314     // Program notification
 315     app()->desktopIntegration()->setNotificationsEnabled(m_checkBoxProgramNotifications.isChecked());
 316 #ifdef QBT_USES_DBUS
 317     app()->desktopIntegration()->setNotificationTimeout(m_spinBoxNotificationTimeout.value());
 318 #endif
 319     app()->setTorrentAddedNotificationsEnabled(m_checkBoxTorrentAddedNotifications.isChecked());
 320     // Reannounce to all trackers when ip/port changed
 321     session->setReannounceWhenAddressChangedEnabled(m_checkBoxReannounceWhenAddressChanged.isChecked());
 322     // Misc GUI properties
 323     app()->mainWindow()->setDownloadTrackerFavicon(m_checkBoxTrackerFavicon.isChecked());
 324     pref->setAddNewTorrentDialogSavePathHistoryLength(m_spinBoxSavePathHistoryLength.value());
 325     pref->setSpeedWidgetEnabled(m_checkBoxSpeedWidgetEnabled.isChecked());
 326 #ifndef Q_OS_MACOS
 327     pref->setIconsInMenusEnabled(m_checkBoxIconsInMenusEnabled.isChecked());
 328 #endif
 329
 330     // Tracker
 331     pref->setTrackerPort(m_spinBoxTrackerPort.value());
 332     pref->setTrackerPortForwardingEnabled(m_checkBoxTrackerPortForwarding.isChecked());
 333     session->setTrackerEnabled(m_checkBoxTrackerStatus.isChecked());
 334 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 335     // Mark-of-the-Web
 336     pref->setMarkOfTheWebEnabled(m_checkBoxMarkOfTheWeb.isChecked());
 337 #endif // Q_OS_MACOS || Q_OS_WIN
 338     // Python executable path
 339     pref->setPythonExecutablePath(Path(m_pythonExecutablePath.text().trimmed()));
 340     // Start session paused
 341     session->setStartPaused(m_checkBoxStartSessionPaused.isChecked());
 342     // Session shutdown timeout
 343     session->setShutdownTimeout(m_spinBoxSessionShutdownTimeout.value());
 344     // Choking algorithm
 345     session->setChokingAlgorithm(m_comboBoxChokingAlgorithm.currentData().value<BitTorrent::ChokingAlgorithm>());
 346     // Seed choking algorithm
 347     session->setSeedChokingAlgorithm(m_comboBoxSeedChokingAlgorithm.currentData().value<BitTorrent::SeedChokingAlgorithm>());
 348
 349     pref->setConfirmTorrentRecheck(m_checkBoxConfirmTorrentRecheck.isChecked());
 350
 351     pref->setConfirmRemoveAllTags(m_checkBoxConfirmRemoveAllTags.isChecked());
 352     pref->setConfirmRemoveTrackerFromAllTorrents(m_checkBoxConfirmRemoveTrackerFromAllTorrents.isChecked());
 353
 354     session->setAnnounceToAllTrackers(m_checkBoxAnnounceAllTrackers.isChecked());
 355     session->setAnnounceToAllTiers(m_checkBoxAnnounceAllTiers.isChecked());
 356
 357     session->setPeerTurnover(m_spinBoxPeerTurnover.value());
 358     session->setPeerTurnoverCutoff(m_spinBoxPeerTurnoverCutoff.value());
 359     session->setPeerTurnoverInterval(m_spinBoxPeerTurnoverInterval.value());
 360     // Maximum outstanding requests to a single peer
 361     session->setRequestQueueSize(m_spinBoxRequestQueueSize.value());
 362     // DHT bootstrap nodes
 363     session->setDHTBootstrapNodes(m_lineEditDHTBootstrapNodes.text());
 364 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 365     // I2P session options
 366     session->setI2PInboundQuantity(m_spinBoxI2PInboundQuantity.value());
 367     session->setI2POutboundQuantity(m_spinBoxI2POutboundQuantity.value());
 368     session->setI2PInboundLength(m_spinBoxI2PInboundLength.value());
 369     session->setI2POutboundLength(m_spinBoxI2POutboundLength.value());
 370 #endif
 371
 372     session->setTorrentContentRemoveOption(m_comboBoxTorrentContentRemoveOption.currentData().value<BitTorrent::TorrentContentRemoveOption>());
 373 }
 374
 375 #ifndef QBT_USES_LIBTORRENT2
 376 void AdvancedSettings::updateCacheSpinSuffix(const int value)
 377 {
 378     if (value == 0)
 379         m_spinBoxCache.setSuffix(tr(" (disabled)"));
 380     else if (value < 0)
 381         m_spinBoxCache.setSuffix(tr(" (auto)"));
 382     else
 383         m_spinBoxCache.setSuffix(tr(" MiB"));
 384 }
 385 #endif
 386
 387 #ifdef QBT_USES_DBUS
 388 void AdvancedSettings::updateNotificationTimeoutSuffix(const int value)
 389 {
 390     if (value == 0)
 391         m_spinBoxNotificationTimeout.setSuffix(tr(" (infinite)"));
 392     else if (value < 0)
 393         m_spinBoxNotificationTimeout.setSuffix(tr(" (system default)"));
 394     else
 395         m_spinBoxNotificationTimeout.setSuffix(tr(" ms", " milliseconds"));
 396 }
 397 #endif
 398
 399 void AdvancedSettings::updateInterfaceAddressCombo()
 400 {
 401     const auto toString = [](const QHostAddress &address) -> QString
 402     {
 403         switch (address.protocol()) {
 404         case QAbstractSocket::IPv4Protocol:
 405             return address.toString();
 406         case QAbstractSocket::IPv6Protocol:
 407             return Utils::Net::canonicalIPv6Addr(address).toString();
 408         default:
 409             Q_ASSERT(false);
 410             break;
 411         }
 412         return {};
 413     };
 414
 415     // Clear all items and reinsert them
 416     m_comboBoxInterfaceAddress.clear();
 417     m_comboBoxInterfaceAddress.addItem(tr("All addresses"), QString());
 418     m_comboBoxInterfaceAddress.addItem(tr("All IPv4 addresses"), QHostAddress(QHostAddress::AnyIPv4).toString());
 419     m_comboBoxInterfaceAddress.addItem(tr("All IPv6 addresses"), QHostAddress(QHostAddress::AnyIPv6).toString());
 420
 421     const QString currentIface = m_comboBoxInterface.currentData().toString();
 422     if (currentIface.isEmpty())  // `any` interface
 423     {
 424         for (const QHostAddress &address : asConst(QNetworkInterface::allAddresses()))
 425         {
 426             const QString addressString = toString(address);
 427             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 428         }
 429     }
 430     else
 431     {
 432         const QList<QNetworkAddressEntry> addresses = QNetworkInterface::interfaceFromName(currentIface).addressEntries();
 433         for (const QNetworkAddressEntry &entry : addresses)
 434         {
 435             const QString addressString = toString(entry.ip());
 436             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 437         }
 438     }
 439
 440     const QString currentAddress = BitTorrent::Session::instance()->networkInterfaceAddress();
 441     const int index = m_comboBoxInterfaceAddress.findData(currentAddress);
 442     if (index > -1)
 443     {
 444         m_comboBoxInterfaceAddress.setCurrentIndex(index);
 445     }
 446     else
 447     {
 448         // not found, for the sake of UI consistency, add such entry
 449         m_comboBoxInterfaceAddress.addItem(currentAddress, currentAddress);
 450         m_comboBoxInterfaceAddress.setCurrentIndex(m_comboBoxInterfaceAddress.count() - 1);
 451     }
 452 }
 453
 454 void AdvancedSettings::loadAdvancedSettings()
 455 {
 456     const Preferences *const pref = Preferences::instance();
 457     const BitTorrent::Session *const session = BitTorrent::Session::instance();
 458
 459     // add section headers
 460     auto *labelQbtLink = new QLabel(
 461         makeLink(u"https://github.com/qbittorrent/qBittorrent/wiki/Explanation-of-Options-in-qBittorrent#Advanced"
 462                  , tr("Open documentation"))
 463         , this);
 464     labelQbtLink->setOpenExternalLinks(true);
 465     addRow(QBITTORRENT_HEADER, u"<b>%1</b>"_s.arg(tr("qBittorrent Section")), labelQbtLink);
 466     static_cast<QLabel *>(cellWidget(QBITTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 467
 468     auto *labelLibtorrentLink = new QLabel(
 469         makeLink(u"https://www.libtorrent.org/reference-Settings.html"
 470                  , tr("Open documentation"))
 471         , this);
 472     labelLibtorrentLink->setOpenExternalLinks(true);
 473     addRow(LIBTORRENT_HEADER, u"<b>%1</b>"_s.arg(tr("libtorrent Section")), labelLibtorrentLink);
 474     static_cast<QLabel *>(cellWidget(LIBTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 475
 476     m_comboBoxResumeDataStorage.addItem(tr("Fastresume files"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::Legacy));
 477     m_comboBoxResumeDataStorage.addItem(tr("SQLite database (experimental)"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::SQLite));
 478     m_comboBoxResumeDataStorage.setCurrentIndex(m_comboBoxResumeDataStorage.findData(QVariant::fromValue(session->resumeDataStorageType())));
 479     addRow(RESUME_DATA_STORAGE, tr("Resume data storage type (requires restart)"), &m_comboBoxResumeDataStorage);
 480
 481     m_comboBoxTorrentContentRemoveOption.addItem(tr("Delete files permanently"), QVariant::fromValue(BitTorrent::TorrentContentRemoveOption::Delete));
 482     m_comboBoxTorrentContentRemoveOption.addItem(tr("Move files to trash (if possible)"), QVariant::fromValue(BitTorrent::TorrentContentRemoveOption::MoveToTrash));
 483     m_comboBoxTorrentContentRemoveOption.setCurrentIndex(m_comboBoxTorrentContentRemoveOption.findData(QVariant::fromValue(session->torrentContentRemoveOption())));
 484     addRow(TORRENT_CONTENT_REMOVE_OPTION, tr("Torrent content removing mode"), &m_comboBoxTorrentContentRemoveOption);
 485
 486 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
 487     // Physical memory (RAM) usage limit
 488     m_spinBoxMemoryWorkingSetLimit.setMinimum(1);
 489     m_spinBoxMemoryWorkingSetLimit.setMaximum(std::numeric_limits<int>::max());
 490     m_spinBoxMemoryWorkingSetLimit.setSuffix(tr(" MiB"));
 491     m_spinBoxMemoryWorkingSetLimit.setToolTip(tr("This option is less effective on Linux"));
 492     m_spinBoxMemoryWorkingSetLimit.setValue(app()->memoryWorkingSetLimit());
 493     addRow(MEMORY_WORKING_SET_LIMIT, (tr("Physical memory (RAM) usage limit") + u' ' + makeLink(u"https://wikipedia.org/wiki/Working_set", u"(?)"))
 494         , &m_spinBoxMemoryWorkingSetLimit);
 495 #endif
 496 #if defined(Q_OS_WIN)
 497     m_comboBoxOSMemoryPriority.addItem(tr("Normal"), QVariant::fromValue(MemoryPriority::Normal));
 498     m_comboBoxOSMemoryPriority.addItem(tr("Below normal"), QVariant::fromValue(MemoryPriority::BelowNormal));
 499     m_comboBoxOSMemoryPriority.addItem(tr("Medium"), QVariant::fromValue(MemoryPriority::Medium));
 500     m_comboBoxOSMemoryPriority.addItem(tr("Low"), QVariant::fromValue(MemoryPriority::Low));
 501     m_comboBoxOSMemoryPriority.addItem(tr("Very low"), QVariant::fromValue(MemoryPriority::VeryLow));
 502     m_comboBoxOSMemoryPriority.setCurrentIndex(m_comboBoxOSMemoryPriority.findData(QVariant::fromValue(app()->processMemoryPriority())));
 503     addRow(OS_MEMORY_PRIORITY, (tr("Process memory priority")
 504         + u' ' + makeLink(u"https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-memory_priority_information", u"(?)"))
 505         , &m_comboBoxOSMemoryPriority);
 506 #endif
 507     // Bdecode depth limit
 508     m_spinBoxBdecodeDepthLimit.setMinimum(0);
 509     m_spinBoxBdecodeDepthLimit.setMaximum(std::numeric_limits<int>::max());
 510     m_spinBoxBdecodeDepthLimit.setValue(pref->getBdecodeDepthLimit());
 511     addRow(BDECODE_DEPTH_LIMIT, (tr("Bdecode depth limit") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Bdecoding.html#bdecode()", u"(?)"))
 512             , &m_spinBoxBdecodeDepthLimit);
 513     // Bdecode token limit
 514     m_spinBoxBdecodeTokenLimit.setMinimum(0);
 515     m_spinBoxBdecodeTokenLimit.setMaximum(std::numeric_limits<int>::max());
 516     m_spinBoxBdecodeTokenLimit.setValue(pref->getBdecodeTokenLimit());
 517     addRow(BDECODE_TOKEN_LIMIT, (tr("Bdecode token limit") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Bdecoding.html#bdecode()", u"(?)"))
 518             , &m_spinBoxBdecodeTokenLimit);
 519     // Async IO threads
 520     m_spinBoxAsyncIOThreads.setMinimum(1);
 521     m_spinBoxAsyncIOThreads.setMaximum(1024);
 522     m_spinBoxAsyncIOThreads.setValue(session->asyncIOThreads());
 523     addRow(ASYNC_IO_THREADS, (tr("Asynchronous I/O threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#aio_threads", u"(?)"))
 524             , &m_spinBoxAsyncIOThreads);
 525
 526 #ifdef QBT_USES_LIBTORRENT2
 527     // Hashing threads
 528     m_spinBoxHashingThreads.setMinimum(1);
 529     m_spinBoxHashingThreads.setMaximum(1024);
 530     m_spinBoxHashingThreads.setValue(session->hashingThreads());
 531     addRow(HASHING_THREADS, (tr("Hashing threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#hashing_threads", u"(?)"))
 532             , &m_spinBoxHashingThreads);
 533 #endif
 534
 535     // File pool size
 536     m_spinBoxFilePoolSize.setMinimum(1);
 537     m_spinBoxFilePoolSize.setMaximum(std::numeric_limits<int>::max());
 538     m_spinBoxFilePoolSize.setValue(session->filePoolSize());
 539     addRow(FILE_POOL_SIZE, (tr("File pool size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#file_pool_size", u"(?)"))
 540         , &m_spinBoxFilePoolSize);
 541
 542     // Checking Memory Usage
 543     m_spinBoxCheckingMemUsage.setMinimum(1);
 544     // When build as 32bit binary, set the maximum value lower to prevent crashes.
 545 #ifdef QBT_APP_64BIT
 546     m_spinBoxCheckingMemUsage.setMaximum(1024);
 547 #else
 548     // Allocate at most 128MiB out of the remaining 512MiB (see the cache part below)
 549     m_spinBoxCheckingMemUsage.setMaximum(128);
 550 #endif
 551     m_spinBoxCheckingMemUsage.setValue(session->checkingMemUsage());
 552     m_spinBoxCheckingMemUsage.setSuffix(tr(" MiB"));
 553     addRow(CHECKING_MEM_USAGE, (tr("Outstanding memory when checking torrents") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#checking_mem_usage", u"(?)"))
 554             , &m_spinBoxCheckingMemUsage);
 555 #ifndef QBT_USES_LIBTORRENT2
 556     // Disk write cache
 557     m_spinBoxCache.setMinimum(-1);
 558     // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
 559 #ifdef QBT_APP_64BIT
 560     m_spinBoxCache.setMaximum(33554431);  // 32768GiB
 561 #else
 562     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
 563     m_spinBoxCache.setMaximum(1536);
 564 #endif
 565     m_spinBoxCache.setValue(session->diskCacheSize());
 566     updateCacheSpinSuffix(m_spinBoxCache.value());
 567     connect(&m_spinBoxCache, qOverload<int>(&QSpinBox::valueChanged)
 568             , this, &AdvancedSettings::updateCacheSpinSuffix);
 569     addRow(DISK_CACHE, (tr("Disk cache") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_size", u"(?)"))
 570             , &m_spinBoxCache);
 571     // Disk cache expiry
 572     m_spinBoxCacheTTL.setMinimum(1);
 573     m_spinBoxCacheTTL.setMaximum(std::numeric_limits<int>::max());
 574     m_spinBoxCacheTTL.setValue(session->diskCacheTTL());
 575     m_spinBoxCacheTTL.setSuffix(tr(" s", " seconds"));
 576     addRow(DISK_CACHE_TTL, (tr("Disk cache expiry interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_expiry", u"(?)"))
 577             , &m_spinBoxCacheTTL);
 578 #endif
 579     // Disk queue size
 580     m_spinBoxDiskQueueSize.setMinimum(1);
 581     m_spinBoxDiskQueueSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 582     m_spinBoxDiskQueueSize.setValue(session->diskQueueSize() / 1024);
 583     m_spinBoxDiskQueueSize.setSuffix(tr(" KiB"));
 584     addRow(DISK_QUEUE_SIZE, (tr("Disk queue size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_queued_disk_bytes", u"(?)"))
 585             , &m_spinBoxDiskQueueSize);
 586 #ifdef QBT_USES_LIBTORRENT2
 587     // Disk IO type
 588     m_comboBoxDiskIOType.addItem(tr("Default"), QVariant::fromValue(BitTorrent::DiskIOType::Default));
 589     m_comboBoxDiskIOType.addItem(tr("Memory mapped files"), QVariant::fromValue(BitTorrent::DiskIOType::MMap));
 590     m_comboBoxDiskIOType.addItem(tr("POSIX-compliant"), QVariant::fromValue(BitTorrent::DiskIOType::Posix));
 591     m_comboBoxDiskIOType.setCurrentIndex(m_comboBoxDiskIOType.findData(QVariant::fromValue(session->diskIOType())));
 592     addRow(DISK_IO_TYPE, tr("Disk IO type (requires restart)") + u' ' + makeLink(u"https://www.libtorrent.org/single-page-ref.html#default-disk-io-constructor", u"(?)")
 593            , &m_comboBoxDiskIOType);
 594 #endif
 595     // Disk IO read mode
 596     m_comboBoxDiskIOReadMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::DisableOSCache));
 597     m_comboBoxDiskIOReadMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::EnableOSCache));
 598     m_comboBoxDiskIOReadMode.setCurrentIndex(m_comboBoxDiskIOReadMode.findData(QVariant::fromValue(session->diskIOReadMode())));
 599     addRow(DISK_IO_READ_MODE, (tr("Disk IO read mode") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#disk_io_read_mode", u"(?)"))
 600             , &m_comboBoxDiskIOReadMode);
 601     // Disk IO write mode
 602     m_comboBoxDiskIOWriteMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::DisableOSCache));
 603     m_comboBoxDiskIOWriteMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::EnableOSCache));
 604 #ifdef QBT_USES_LIBTORRENT2
 605     m_comboBoxDiskIOWriteMode.addItem(tr("Write-through"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::WriteThrough));
 606 #endif
 607     m_comboBoxDiskIOWriteMode.setCurrentIndex(m_comboBoxDiskIOWriteMode.findData(QVariant::fromValue(session->diskIOWriteMode())));
 608     addRow(DISK_IO_WRITE_MODE, (tr("Disk IO write mode") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#disk_io_write_mode", u"(?)"))
 609             , &m_comboBoxDiskIOWriteMode);
 610 #ifndef QBT_USES_LIBTORRENT2
 611     // Coalesce reads & writes
 612     m_checkBoxCoalesceRW.setChecked(session->isCoalesceReadWriteEnabled());
 613     addRow(COALESCE_RW, (tr("Coalesce reads & writes") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#coalesce_reads", u"(?)"))
 614             , &m_checkBoxCoalesceRW);
 615 #endif
 616     // Piece extent affinity
 617     m_checkBoxPieceExtentAffinity.setChecked(session->usePieceExtentAffinity());
 618     addRow(PIECE_EXTENT_AFFINITY, (tr("Use piece extent affinity") + u' ' + makeLink(u"https://libtorrent.org/single-page-ref.html#piece_extent_affinity", u"(?)")), &m_checkBoxPieceExtentAffinity);
 619     // Suggest mode
 620     m_checkBoxSuggestMode.setChecked(session->isSuggestModeEnabled());
 621     addRow(SUGGEST_MODE, (tr("Send upload piece suggestions") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#suggest_mode", u"(?)"))
 622             , &m_checkBoxSuggestMode);
 623     // Send buffer watermark
 624     m_spinBoxSendBufferWatermark.setMinimum(1);
 625     m_spinBoxSendBufferWatermark.setMaximum(std::numeric_limits<int>::max());
 626     m_spinBoxSendBufferWatermark.setSuffix(tr(" KiB"));
 627     m_spinBoxSendBufferWatermark.setValue(session->sendBufferWatermark());
 628     addRow(SEND_BUF_WATERMARK, (tr("Send buffer watermark") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark", u"(?)"))
 629             , &m_spinBoxSendBufferWatermark);
 630     m_spinBoxSendBufferLowWatermark.setMinimum(1);
 631     m_spinBoxSendBufferLowWatermark.setMaximum(std::numeric_limits<int>::max());
 632     m_spinBoxSendBufferLowWatermark.setSuffix(tr(" KiB"));
 633     m_spinBoxSendBufferLowWatermark.setValue(session->sendBufferLowWatermark());
 634     addRow(SEND_BUF_LOW_WATERMARK, (tr("Send buffer low watermark") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_low_watermark", u"(?)"))
 635             , &m_spinBoxSendBufferLowWatermark);
 636     m_spinBoxSendBufferWatermarkFactor.setMinimum(1);
 637     m_spinBoxSendBufferWatermarkFactor.setMaximum(std::numeric_limits<int>::max());
 638     m_spinBoxSendBufferWatermarkFactor.setSuffix(u" %"_s);
 639     m_spinBoxSendBufferWatermarkFactor.setValue(session->sendBufferWatermarkFactor());
 640     addRow(SEND_BUF_WATERMARK_FACTOR, (tr("Send buffer watermark factor") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark_factor", u"(?)"))
 641             , &m_spinBoxSendBufferWatermarkFactor);
 642     // Outgoing connections per second
 643     m_spinBoxConnectionSpeed.setMinimum(0);
 644     m_spinBoxConnectionSpeed.setMaximum(std::numeric_limits<int>::max());
 645     m_spinBoxConnectionSpeed.setValue(session->connectionSpeed());
 646     addRow(CONNECTION_SPEED, (tr("Outgoing connections per second") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#connection_speed", u"(?)"))
 647             , &m_spinBoxConnectionSpeed);
 648     // Socket send buffer size
 649     m_spinBoxSocketSendBufferSize.setMinimum(0);
 650     m_spinBoxSocketSendBufferSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 651     m_spinBoxSocketSendBufferSize.setValue(session->socketSendBufferSize() / 1024);
 652     m_spinBoxSocketSendBufferSize.setSuffix(tr(" KiB"));
 653     m_spinBoxSocketSendBufferSize.setSpecialValueText(tr("0 (system default)"));
 654     addRow(SOCKET_SEND_BUFFER_SIZE, (tr("Socket send buffer size [0: system default]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_socket_buffer_size", u"(?)"))
 655             , &m_spinBoxSocketSendBufferSize);
 656     // Socket receive buffer size
 657     m_spinBoxSocketReceiveBufferSize.setMinimum(0);
 658     m_spinBoxSocketReceiveBufferSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 659     m_spinBoxSocketReceiveBufferSize.setValue(session->socketReceiveBufferSize() / 1024);
 660     m_spinBoxSocketReceiveBufferSize.setSuffix(tr(" KiB"));
 661     m_spinBoxSocketReceiveBufferSize.setSpecialValueText(tr("0 (system default)"));
 662     addRow(SOCKET_RECEIVE_BUFFER_SIZE, (tr("Socket receive buffer size [0: system default]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#recv_socket_buffer_size", u"(?)"))
 663             , &m_spinBoxSocketReceiveBufferSize);
 664     // Socket listen backlog size
 665     m_spinBoxSocketBacklogSize.setMinimum(1);
 666     m_spinBoxSocketBacklogSize.setMaximum(std::numeric_limits<int>::max());
 667     m_spinBoxSocketBacklogSize.setValue(session->socketBacklogSize());
 668     addRow(SOCKET_BACKLOG_SIZE, (tr("Socket backlog size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#listen_queue_size", u"(?)"))
 669             , &m_spinBoxSocketBacklogSize);
 670     // Save resume data interval
 671     m_spinBoxSaveResumeDataInterval.setMinimum(0);
 672     m_spinBoxSaveResumeDataInterval.setMaximum(std::numeric_limits<int>::max());
 673     m_spinBoxSaveResumeDataInterval.setValue(session->saveResumeDataInterval());
 674     m_spinBoxSaveResumeDataInterval.setSuffix(tr(" min", " minutes"));
 675     m_spinBoxSaveResumeDataInterval.setSpecialValueText(tr("0 (disabled)"));
 676     addRow(SAVE_RESUME_DATA_INTERVAL, tr("Save resume data interval [0: disabled]", "How often the fastresume file is saved."), &m_spinBoxSaveResumeDataInterval);
 677     // Save statistics interval
 678     m_spinBoxSaveStatisticsInterval.setMinimum(0);
 679     m_spinBoxSaveStatisticsInterval.setMaximum(std::numeric_limits<int>::max());
 680     m_spinBoxSaveStatisticsInterval.setValue(session->saveStatisticsInterval().count());
 681     m_spinBoxSaveStatisticsInterval.setSuffix(tr(" min", " minutes"));
 682     m_spinBoxSaveStatisticsInterval.setSpecialValueText(tr("0 (disabled)"));
 683     addRow(SAVE_STATISTICS_INTERVAL, tr("Save statistics interval [0: disabled]", "How often the statistics file is saved."), &m_spinBoxSaveStatisticsInterval);
 684     // .torrent file size limit
 685     m_spinBoxTorrentFileSizeLimit.setMinimum(1);
 686     m_spinBoxTorrentFileSizeLimit.setMaximum(std::numeric_limits<int>::max() / 1024 / 1024);
 687     m_spinBoxTorrentFileSizeLimit.setValue(pref->getTorrentFileSizeLimit() / 1024 / 1024);
 688     m_spinBoxTorrentFileSizeLimit.setSuffix(tr(" MiB"));
 689     addRow(TORRENT_FILE_SIZE_LIMIT, tr(".torrent file size limit"), &m_spinBoxTorrentFileSizeLimit);
 690     // Outgoing port Min
 691     m_spinBoxOutgoingPortsMin.setMinimum(0);
 692     m_spinBoxOutgoingPortsMin.setMaximum(65535);
 693     m_spinBoxOutgoingPortsMin.setValue(session->outgoingPortsMin());
 694     m_spinBoxOutgoingPortsMin.setSpecialValueText(tr("0 (disabled)"));
 695     addRow(OUTGOING_PORT_MIN, (tr("Outgoing ports (Min) [0: disabled]")
 696         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 697         , &m_spinBoxOutgoingPortsMin);
 698     // Outgoing port Max
 699     m_spinBoxOutgoingPortsMax.setMinimum(0);
 700     m_spinBoxOutgoingPortsMax.setMaximum(65535);
 701     m_spinBoxOutgoingPortsMax.setValue(session->outgoingPortsMax());
 702     m_spinBoxOutgoingPortsMax.setSpecialValueText(tr("0 (disabled)"));
 703     addRow(OUTGOING_PORT_MAX, (tr("Outgoing ports (Max) [0: disabled]")
 704         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 705         , &m_spinBoxOutgoingPortsMax);
 706     // UPnP lease duration
 707     m_spinBoxUPnPLeaseDuration.setMinimum(0);
 708     m_spinBoxUPnPLeaseDuration.setMaximum(std::numeric_limits<int>::max());
 709     m_spinBoxUPnPLeaseDuration.setValue(session->UPnPLeaseDuration());
 710     m_spinBoxUPnPLeaseDuration.setSuffix(tr(" s", " seconds"));
 711     m_spinBoxUPnPLeaseDuration.setSpecialValueText(tr("0 (permanent lease)"));
 712     addRow(UPNP_LEASE_DURATION, (tr("UPnP lease duration [0: permanent lease]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#upnp_lease_duration", u"(?)"))
 713         , &m_spinBoxUPnPLeaseDuration);
 714     // Type of service
 715     m_spinBoxPeerToS.setMinimum(0);
 716     m_spinBoxPeerToS.setMaximum(255);
 717     m_spinBoxPeerToS.setValue(session->peerToS());
 718     addRow(PEER_TOS, (tr("Type of service (ToS) for connections to peers") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_tos", u"(?)"))
 719         , &m_spinBoxPeerToS);
 720     // uTP-TCP mixed mode
 721     m_comboBoxUtpMixedMode.addItem(tr("Prefer TCP"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::TCP));
 722     m_comboBoxUtpMixedMode.addItem(tr("Peer proportional (throttles TCP)"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::Proportional));
 723     m_comboBoxUtpMixedMode.setCurrentIndex(m_comboBoxUtpMixedMode.findData(QVariant::fromValue(session->utpMixedMode())));
 724     addRow(UTP_MIX_MODE, (tr("%1-TCP mixed mode algorithm", "uTP-TCP mixed mode algorithm").arg(C_UTP)
 725             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#mixed_mode_algorithm", u"(?)"))
 726             , &m_comboBoxUtpMixedMode);
 727     // Support internationalized domain name (IDN)
 728     m_checkBoxIDNSupport.setChecked(session->isIDNSupportEnabled());
 729     addRow(IDN_SUPPORT, (tr("Support internationalized domain name (IDN)")
 730             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_idna", u"(?)"))
 731             , &m_checkBoxIDNSupport);
 732     // multiple connections per IP
 733     m_checkBoxMultiConnectionsPerIp.setChecked(session->multiConnectionsPerIpEnabled());
 734     addRow(MULTI_CONNECTIONS_PER_IP, (tr("Allow multiple connections from the same IP address")
 735             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_multiple_connections_per_ip", u"(?)"))
 736             , &m_checkBoxMultiConnectionsPerIp);
 737     // Validate HTTPS tracker certificate
 738     m_checkBoxValidateHTTPSTrackerCertificate.setChecked(session->validateHTTPSTrackerCertificate());
 739     addRow(VALIDATE_HTTPS_TRACKER_CERTIFICATE, (tr("Validate HTTPS tracker certificates")
 740             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#validate_https_trackers", u"(?)"))
 741             , &m_checkBoxValidateHTTPSTrackerCertificate);
 742     // SSRF mitigation
 743     m_checkBoxSSRFMitigation.setChecked(session->isSSRFMitigationEnabled());
 744     addRow(SSRF_MITIGATION, (tr("Server-side request forgery (SSRF) mitigation")
 745         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#ssrf_mitigation", u"(?)"))
 746         , &m_checkBoxSSRFMitigation);
 747     // Disallow connection to peers on privileged ports
 748     m_checkBoxBlockPeersOnPrivilegedPorts.setChecked(session->blockPeersOnPrivilegedPorts());
 749     addRow(BLOCK_PEERS_ON_PRIVILEGED_PORTS, (tr("Disallow connection to peers on privileged ports") + u' ' + makeLink(u"https://libtorrent.org/single-page-ref.html#no_connect_privileged_ports", u"(?)")), &m_checkBoxBlockPeersOnPrivilegedPorts);
 750     // Recheck completed torrents
 751     m_checkBoxRecheckCompleted.setChecked(pref->recheckTorrentsOnCompletion());
 752     addRow(RECHECK_COMPLETED, tr("Recheck torrents on completion"), &m_checkBoxRecheckCompleted);
 753     // Customize application instance name
 754     m_lineEditAppInstanceName.setText(app()->instanceName());
 755     m_lineEditAppInstanceName.setToolTip(tr("It appends the text to the window title to help distinguish qBittorent instances"));
 756     addRow(APP_INSTANCE_NAME, tr("Customize application instance name"), &m_lineEditAppInstanceName);
 757     // Refresh interval
 758     m_spinBoxListRefresh.setMinimum(30);
 759     m_spinBoxListRefresh.setMaximum(99999);
 760     m_spinBoxListRefresh.setValue(session->refreshInterval());
 761     m_spinBoxListRefresh.setSuffix(tr(" ms", " milliseconds"));
 762     m_spinBoxListRefresh.setToolTip(tr("It controls the internal state update interval which in turn will affect UI updates"));
 763     addRow(LIST_REFRESH, tr("Refresh interval"), &m_spinBoxListRefresh);
 764     // Resolve Peer countries
 765     m_checkBoxResolveCountries.setChecked(pref->resolvePeerCountries());
 766     addRow(RESOLVE_COUNTRIES, tr("Resolve peer countries"), &m_checkBoxResolveCountries);
 767     // Resolve peer hosts
 768     m_checkBoxResolveHosts.setChecked(pref->resolvePeerHostNames());
 769     addRow(RESOLVE_HOSTS, tr("Resolve peer host names"), &m_checkBoxResolveHosts);
 770     // Network interface
 771     m_comboBoxInterface.addItem(tr("Any interface", "i.e. Any network interface"), QString());
 772     for (const QNetworkInterface &iface : asConst(QNetworkInterface::allInterfaces()))
 773         m_comboBoxInterface.addItem(iface.humanReadableName(), iface.name());
 774
 775     const QString currentInterface = session->networkInterface();
 776     const int ifaceIndex = m_comboBoxInterface.findData(currentInterface);
 777     if (ifaceIndex > -1)
 778     {
 779         m_comboBoxInterface.setCurrentIndex(ifaceIndex);
 780     }
 781     else
 782     {
 783         // Saved interface does not exist, show it
 784         m_comboBoxInterface.addItem(session->networkInterfaceName(), currentInterface);
 785         m_comboBoxInterface.setCurrentIndex(m_comboBoxInterface.count() - 1);
 786     }
 787
 788     connect(&m_comboBoxInterface, qOverload<int>(&QComboBox::currentIndexChanged)
 789         , this, &AdvancedSettings::updateInterfaceAddressCombo);
 790     addRow(NETWORK_IFACE, tr("Network interface"), &m_comboBoxInterface);
 791     // Network interface address
 792     updateInterfaceAddressCombo();
 793     addRow(NETWORK_IFACE_ADDRESS, tr("Optional IP address to bind to"), &m_comboBoxInterfaceAddress);
 794     // Announce IP
 795     m_lineEditAnnounceIP.setText(session->announceIP());
 796     addRow(ANNOUNCE_IP, (tr("IP address reported to trackers (requires restart)")
 797         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_ip", u"(?)"))
 798         , &m_lineEditAnnounceIP);
 799     // Max concurrent HTTP announces
 800     m_spinBoxMaxConcurrentHTTPAnnounces.setMaximum(std::numeric_limits<int>::max());
 801     m_spinBoxMaxConcurrentHTTPAnnounces.setValue(session->maxConcurrentHTTPAnnounces());
 802     addRow(MAX_CONCURRENT_HTTP_ANNOUNCES, (tr("Max concurrent HTTP announces") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_concurrent_http_announces", u"(?)"))
 803            , &m_spinBoxMaxConcurrentHTTPAnnounces);
 804     // Stop tracker timeout
 805     m_spinBoxStopTrackerTimeout.setMaximum(std::numeric_limits<int>::max());
 806     m_spinBoxStopTrackerTimeout.setValue(session->stopTrackerTimeout());
 807     m_spinBoxStopTrackerTimeout.setSuffix(tr(" s", " seconds"));
 808     m_spinBoxStopTrackerTimeout.setSpecialValueText(tr("0 (disabled)"));
 809     addRow(STOP_TRACKER_TIMEOUT, (tr("Stop tracker timeout [0: disabled]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#stop_tracker_timeout", u"(?)"))
 810            , &m_spinBoxStopTrackerTimeout);
 811     // Program notifications
 812     m_checkBoxProgramNotifications.setChecked(app()->desktopIntegration()->isNotificationsEnabled());
 813     addRow(PROGRAM_NOTIFICATIONS, tr("Display notifications"), &m_checkBoxProgramNotifications);
 814     // Torrent added notifications
 815     m_checkBoxTorrentAddedNotifications.setChecked(app()->isTorrentAddedNotificationsEnabled());
 816     addRow(TORRENT_ADDED_NOTIFICATIONS, tr("Display notifications for added torrents"), &m_checkBoxTorrentAddedNotifications);
 817 #ifdef QBT_USES_DBUS
 818     // Notification timeout
 819     m_spinBoxNotificationTimeout.setMinimum(-1);
 820     m_spinBoxNotificationTimeout.setMaximum(std::numeric_limits<int>::max());
 821     m_spinBoxNotificationTimeout.setValue(app()->desktopIntegration()->notificationTimeout());
 822     connect(&m_spinBoxNotificationTimeout, qOverload<int>(&QSpinBox::valueChanged)
 823         , this, &AdvancedSettings::updateNotificationTimeoutSuffix);
 824     updateNotificationTimeoutSuffix(m_spinBoxNotificationTimeout.value());
 825     addRow(NOTIFICATION_TIMEOUT, tr("Notification timeout [0: infinite, -1: system default]"), &m_spinBoxNotificationTimeout);
 826 #endif
 827     // Reannounce to all trackers when ip/port changed
 828     m_checkBoxReannounceWhenAddressChanged.setChecked(session->isReannounceWhenAddressChangedEnabled());
 829     addRow(REANNOUNCE_WHEN_ADDRESS_CHANGED, tr("Reannounce to all trackers when IP or port changed"), &m_checkBoxReannounceWhenAddressChanged);
 830     // Download tracker's favicon
 831     m_checkBoxTrackerFavicon.setChecked(app()->mainWindow()->isDownloadTrackerFavicon());
 832     addRow(DOWNLOAD_TRACKER_FAVICON, tr("Download tracker's favicon"), &m_checkBoxTrackerFavicon);
 833     // Save path history length
 834     m_spinBoxSavePathHistoryLength.setRange(0, 99);
 835     m_spinBoxSavePathHistoryLength.setValue(pref->addNewTorrentDialogSavePathHistoryLength());
 836     addRow(SAVE_PATH_HISTORY_LENGTH, tr("Save path history length"), &m_spinBoxSavePathHistoryLength);
 837     // Enable speed graphs
 838     m_checkBoxSpeedWidgetEnabled.setChecked(pref->isSpeedWidgetEnabled());
 839     addRow(ENABLE_SPEED_WIDGET, tr("Enable speed graphs"), &m_checkBoxSpeedWidgetEnabled);
 840 #ifndef Q_OS_MACOS
 841     // Enable icons in menus
 842     m_checkBoxIconsInMenusEnabled.setChecked(pref->iconsInMenusEnabled());
 843     addRow(ENABLE_ICONS_IN_MENUS, tr("Enable icons in menus"), &m_checkBoxIconsInMenusEnabled);
 844 #endif
 845     // Tracker State
 846     m_checkBoxTrackerStatus.setChecked(session->isTrackerEnabled());
 847     addRow(TRACKER_STATUS, tr("Enable embedded tracker"), &m_checkBoxTrackerStatus);
 848     // Tracker port
 849     m_spinBoxTrackerPort.setMinimum(1);
 850     m_spinBoxTrackerPort.setMaximum(65535);
 851     m_spinBoxTrackerPort.setValue(pref->getTrackerPort());
 852     addRow(TRACKER_PORT, tr("Embedded tracker port"), &m_spinBoxTrackerPort);
 853     // Tracker port forwarding
 854     m_checkBoxTrackerPortForwarding.setChecked(pref->isTrackerPortForwardingEnabled());
 855     addRow(TRACKER_PORT_FORWARDING, tr("Enable port forwarding for embedded tracker"), &m_checkBoxTrackerPortForwarding);
 856 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 857     // Mark-of-the-Web
 858 #ifdef Q_OS_MACOS
 859     const QString motwLabel = tr("Enable quarantine for downloaded files");
 860 #elif defined(Q_OS_WIN)
 861     const QString motwLabel = tr("Enable Mark-of-the-Web (MOTW) for downloaded files");
 862 #endif
 863     m_checkBoxMarkOfTheWeb.setChecked(pref->isMarkOfTheWebEnabled());
 864     addRow(ENABLE_MARK_OF_THE_WEB, motwLabel, &m_checkBoxMarkOfTheWeb);
 865 #endif // Q_OS_MACOS || Q_OS_WIN
 866     // Python executable path
 867     m_pythonExecutablePath.setPlaceholderText(tr("(Auto detect if empty)"));
 868     m_pythonExecutablePath.setText(pref->getPythonExecutablePath().toString());
 869     addRow(PYTHON_EXECUTABLE_PATH, tr("Python executable path (may require restart)"), &m_pythonExecutablePath);
 870     // Start session paused
 871     m_checkBoxStartSessionPaused.setChecked(session->isStartPaused());
 872     addRow(START_SESSION_PAUSED, tr("Start BitTorrent session in paused state"), &m_checkBoxStartSessionPaused);
 873     // Session shutdown timeout
 874     m_spinBoxSessionShutdownTimeout.setMinimum(-1);
 875     m_spinBoxSessionShutdownTimeout.setMaximum(std::numeric_limits<int>::max());
 876     m_spinBoxSessionShutdownTimeout.setValue(session->shutdownTimeout());
 877     m_spinBoxSessionShutdownTimeout.setSuffix(tr(" sec", " seconds"));
 878     m_spinBoxSessionShutdownTimeout.setSpecialValueText(tr("-1 (unlimited)"));
 879     m_spinBoxSessionShutdownTimeout.setToolTip(u"Sets the timeout for the session to be shut down gracefully, at which point it will be forcibly terminated.<br>Note that this does not apply to the saving resume data time."_s);
 880     addRow(SESSION_SHUTDOWN_TIMEOUT, tr("BitTorrent session shutdown timeout [-1: unlimited]"), &m_spinBoxSessionShutdownTimeout);
 881     // Choking algorithm
 882     m_comboBoxChokingAlgorithm.addItem(tr("Fixed slots"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::FixedSlots));
 883     m_comboBoxChokingAlgorithm.addItem(tr("Upload rate based"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::RateBased));
 884     m_comboBoxChokingAlgorithm.setCurrentIndex(m_comboBoxChokingAlgorithm.findData(QVariant::fromValue(session->chokingAlgorithm())));
 885     addRow(CHOKING_ALGORITHM, (tr("Upload slots behavior") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#choking_algorithm", u"(?)"))
 886             , &m_comboBoxChokingAlgorithm);
 887     // Seed choking algorithm
 888     m_comboBoxSeedChokingAlgorithm.addItem(tr("Round-robin"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::RoundRobin));
 889     m_comboBoxSeedChokingAlgorithm.addItem(tr("Fastest upload"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::FastestUpload));
 890     m_comboBoxSeedChokingAlgorithm.addItem(tr("Anti-leech"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::AntiLeech));
 891     m_comboBoxSeedChokingAlgorithm.setCurrentIndex(m_comboBoxSeedChokingAlgorithm.findData(QVariant::fromValue(session->seedChokingAlgorithm())));
 892     addRow(SEED_CHOKING_ALGORITHM, (tr("Upload choking algorithm") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#seed_choking_algorithm", u"(?)"))
 893             , &m_comboBoxSeedChokingAlgorithm);
 894
 895     // Torrent recheck confirmation
 896     m_checkBoxConfirmTorrentRecheck.setChecked(pref->confirmTorrentRecheck());
 897     addRow(CONFIRM_RECHECK_TORRENT, tr("Confirm torrent recheck"), &m_checkBoxConfirmTorrentRecheck);
 898
 899     // Remove all tags confirmation
 900     m_checkBoxConfirmRemoveAllTags.setChecked(pref->confirmRemoveAllTags());
 901     addRow(CONFIRM_REMOVE_ALL_TAGS, tr("Confirm removal of all tags"), &m_checkBoxConfirmRemoveAllTags);
 902
 903     // Remove tracker from all torrents confirmation
 904     m_checkBoxConfirmRemoveTrackerFromAllTorrents.setChecked(pref->confirmRemoveTrackerFromAllTorrents());
 905     addRow(CONFIRM_REMOVE_TRACKER_FROM_ALL_TORRENTS, tr("Confirm removal of tracker from all torrents"), &m_checkBoxConfirmRemoveTrackerFromAllTorrents);
 906
 907     // Announce to all trackers in a tier
 908     m_checkBoxAnnounceAllTrackers.setChecked(session->announceToAllTrackers());
 909     addRow(ANNOUNCE_ALL_TRACKERS, (tr("Always announce to all trackers in a tier")
 910         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_trackers", u"(?)"))
 911         , &m_checkBoxAnnounceAllTrackers);
 912
 913     // Announce to all tiers
 914     m_checkBoxAnnounceAllTiers.setChecked(session->announceToAllTiers());
 915     addRow(ANNOUNCE_ALL_TIERS, (tr("Always announce to all tiers")
 916         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_tiers", u"(?)"))
 917         , &m_checkBoxAnnounceAllTiers);
 918
 919     m_spinBoxPeerTurnover.setMinimum(0);
 920     m_spinBoxPeerTurnover.setMaximum(100);
 921     m_spinBoxPeerTurnover.setValue(session->peerTurnover());
 922     m_spinBoxPeerTurnover.setSuffix(u" %"_s);
 923     addRow(PEER_TURNOVER, (tr("Peer turnover disconnect percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 924             , &m_spinBoxPeerTurnover);
 925     m_spinBoxPeerTurnoverCutoff.setMinimum(0);
 926     m_spinBoxPeerTurnoverCutoff.setMaximum(100);
 927     m_spinBoxPeerTurnoverCutoff.setSuffix(u" %"_s);
 928     m_spinBoxPeerTurnoverCutoff.setValue(session->peerTurnoverCutoff());
 929     addRow(PEER_TURNOVER_CUTOFF, (tr("Peer turnover threshold percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 930             , &m_spinBoxPeerTurnoverCutoff);
 931     m_spinBoxPeerTurnoverInterval.setMinimum(30);
 932     m_spinBoxPeerTurnoverInterval.setMaximum(3600);
 933     m_spinBoxPeerTurnoverInterval.setSuffix(tr(" s", " seconds"));
 934     m_spinBoxPeerTurnoverInterval.setValue(session->peerTurnoverInterval());
 935     addRow(PEER_TURNOVER_INTERVAL, (tr("Peer turnover disconnect interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 936             , &m_spinBoxPeerTurnoverInterval);
 937     // Maximum outstanding requests to a single peer
 938     m_spinBoxRequestQueueSize.setMinimum(1);
 939     m_spinBoxRequestQueueSize.setMaximum(std::numeric_limits<int>::max());
 940     m_spinBoxRequestQueueSize.setValue(session->requestQueueSize());
 941     addRow(REQUEST_QUEUE_SIZE, (tr("Maximum outstanding requests to a single peer") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_out_request_queue", u"(?)"))
 942             , &m_spinBoxRequestQueueSize);
 943     // DHT bootstrap nodes
 944     m_lineEditDHTBootstrapNodes.setPlaceholderText(tr("Resets to default if empty"));
 945     m_lineEditDHTBootstrapNodes.setText(session->getDHTBootstrapNodes());
 946     addRow(DHT_BOOTSTRAP_NODES, (tr("DHT bootstrap nodes") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#dht_bootstrap_nodes", u"(?)"))
 947         , &m_lineEditDHTBootstrapNodes);
 948 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 949     // I2P session options
 950     m_spinBoxI2PInboundQuantity.setMinimum(1);
 951     m_spinBoxI2PInboundQuantity.setMaximum(16);
 952     m_spinBoxI2PInboundQuantity.setValue(session->I2PInboundQuantity());
 953     addRow(I2P_INBOUND_QUANTITY, (tr("I2P inbound quantity") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_inbound_quantity", u"(?)"))
 954         , &m_spinBoxI2PInboundQuantity);
 955     m_spinBoxI2POutboundQuantity.setMinimum(1);
 956     m_spinBoxI2POutboundQuantity.setMaximum(16);
 957     m_spinBoxI2POutboundQuantity.setValue(session->I2POutboundQuantity());
 958     addRow(I2P_OUTBOUND_QUANTITY, (tr("I2P outbound quantity") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_outbound_quantity", u"(?)"))
 959         , &m_spinBoxI2POutboundQuantity);
 960     m_spinBoxI2PInboundLength.setMinimum(0);
 961     m_spinBoxI2PInboundLength.setMaximum(7);
 962     m_spinBoxI2PInboundLength.setValue(session->I2PInboundLength());
 963     addRow(I2P_INBOUND_LENGTH, (tr("I2P inbound length") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_inbound_length", u"(?)"))
 964         , &m_spinBoxI2PInboundLength);
 965     m_spinBoxI2POutboundLength.setMinimum(0);
 966     m_spinBoxI2POutboundLength.setMaximum(7);
 967     m_spinBoxI2POutboundLength.setValue(session->I2POutboundLength());
 968     addRow(I2P_OUTBOUND_LENGTH, (tr("I2P outbound length") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_outbound_length", u"(?)"))
 969         , &m_spinBoxI2POutboundLength);
 970 #endif
 971 }
 972
 973 template <typename T>
 974 void AdvancedSettings::addRow(const int row, const QString &text, T *widget)
 975 {
 976     auto *label = new QLabel(text);
 977     label->setOpenExternalLinks(true);
 978     label->setToolTip(widget->toolTip());
 979
 980     setCellWidget(row, PROPERTY, label);
 981     setCellWidget(row, VALUE, widget);
 982
 983     if constexpr (std::is_same_v<T, QCheckBox>)
 984         connect(widget, &QCheckBox::stateChanged, this, &AdvancedSettings::settingsChanged);
 985     else if constexpr (std::is_same_v<T, QSpinBox>)
 986         connect(widget, qOverload<int>(&QSpinBox::valueChanged), this, &AdvancedSettings::settingsChanged);
 987     else if constexpr (std::is_same_v<T, QComboBox>)
 988         connect(widget, qOverload<int>(&QComboBox::currentIndexChanged), this, &AdvancedSettings::settingsChanged);
 989     else if constexpr (std::is_same_v<T, QLineEdit>)
 990         connect(widget, &QLineEdit::textChanged, this, &AdvancedSettings::settingsChanged);
 991 }