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 <QtVersionChecks>
  34 #include <QHeaderView>
  35 #include <QHostAddress>
  36 #include <QLabel>
  37 #include <QNetworkInterface>
  38
  39 #include "base/bittorrent/session.h"
  40 #include "base/global.h"
  41 #include "base/preferences.h"
  42 #include "base/unicodestrings.h"
  43 #include "gui/addnewtorrentdialog.h"
  44 #include "gui/desktopintegration.h"
  45 #include "gui/mainwindow.h"
  46 #include "interfaces/iguiapplication.h"
  47
  48 namespace
  49 {
  50     QString makeLink(const QStringView url, const QStringView linkLabel)
  51     {
  52          return u"<a href=\"%1\">%2</a>"_s.arg(url, linkLabel);
  53     }
  54
  55     enum AdvSettingsCols
  56     {
  57         PROPERTY,
  58         VALUE,
  59         COL_COUNT
  60     };
  61
  62     enum AdvSettingsRows
  63     {
  64         // qBittorrent section
  65         QBITTORRENT_HEADER,
  66         RESUME_DATA_STORAGE,
  67         TORRENT_CONTENT_REMOVE_OPTION,
  68 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
  69         MEMORY_WORKING_SET_LIMIT,
  70 #endif
  71 #if defined(Q_OS_WIN)
  72         OS_MEMORY_PRIORITY,
  73 #endif
  74         // network interface
  75         NETWORK_IFACE,
  76         //Optional network address
  77         NETWORK_IFACE_ADDRESS,
  78         // behavior
  79         SAVE_RESUME_DATA_INTERVAL,
  80         SAVE_STATISTICS_INTERVAL,
  81         TORRENT_FILE_SIZE_LIMIT,
  82         CONFIRM_RECHECK_TORRENT,
  83         RECHECK_COMPLETED,
  84         // UI related
  85         APP_INSTANCE_NAME,
  86         LIST_REFRESH,
  87         RESOLVE_HOSTS,
  88         RESOLVE_COUNTRIES,
  89         PROGRAM_NOTIFICATIONS,
  90         TORRENT_ADDED_NOTIFICATIONS,
  91 #ifdef QBT_USES_DBUS
  92         NOTIFICATION_TIMEOUT,
  93 #endif
  94         CONFIRM_REMOVE_ALL_TAGS,
  95         CONFIRM_REMOVE_TRACKER_FROM_ALL_TORRENTS,
  96         REANNOUNCE_WHEN_ADDRESS_CHANGED,
  97         DOWNLOAD_TRACKER_FAVICON,
  98         SAVE_PATH_HISTORY_LENGTH,
  99         ENABLE_SPEED_WIDGET,
 100 #ifndef Q_OS_MACOS
 101         ENABLE_ICONS_IN_MENUS,
 102 #endif
 103         // embedded tracker
 104         TRACKER_STATUS,
 105         TRACKER_PORT,
 106         TRACKER_PORT_FORWARDING,
 107 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 108         ENABLE_MARK_OF_THE_WEB,
 109 #endif // Q_OS_MACOS || Q_OS_WIN
 110         IGNORE_SSL_ERRORS,
 111         PYTHON_EXECUTABLE_PATH,
 112         START_SESSION_PAUSED,
 113         SESSION_SHUTDOWN_TIMEOUT,
 114
 115         // libtorrent section
 116         LIBTORRENT_HEADER,
 117         BDECODE_DEPTH_LIMIT,
 118         BDECODE_TOKEN_LIMIT,
 119         ASYNC_IO_THREADS,
 120 #ifdef QBT_USES_LIBTORRENT2
 121         HASHING_THREADS,
 122 #endif
 123         FILE_POOL_SIZE,
 124         CHECKING_MEM_USAGE,
 125 #ifndef QBT_USES_LIBTORRENT2
 126         // cache
 127         DISK_CACHE,
 128         DISK_CACHE_TTL,
 129 #endif
 130         DISK_QUEUE_SIZE,
 131 #ifdef QBT_USES_LIBTORRENT2
 132         DISK_IO_TYPE,
 133 #endif
 134         DISK_IO_READ_MODE,
 135         DISK_IO_WRITE_MODE,
 136 #ifndef QBT_USES_LIBTORRENT2
 137         COALESCE_RW,
 138 #endif
 139         PIECE_EXTENT_AFFINITY,
 140         SUGGEST_MODE,
 141         SEND_BUF_WATERMARK,
 142         SEND_BUF_LOW_WATERMARK,
 143         SEND_BUF_WATERMARK_FACTOR,
 144         // networking & ports
 145         CONNECTION_SPEED,
 146         SOCKET_SEND_BUFFER_SIZE,
 147         SOCKET_RECEIVE_BUFFER_SIZE,
 148         SOCKET_BACKLOG_SIZE,
 149         OUTGOING_PORT_MIN,
 150         OUTGOING_PORT_MAX,
 151         UPNP_LEASE_DURATION,
 152         PEER_TOS,
 153         UTP_MIX_MODE,
 154         IDN_SUPPORT,
 155         MULTI_CONNECTIONS_PER_IP,
 156         VALIDATE_HTTPS_TRACKER_CERTIFICATE,
 157         SSRF_MITIGATION,
 158         BLOCK_PEERS_ON_PRIVILEGED_PORTS,
 159         // seeding
 160         CHOKING_ALGORITHM,
 161         SEED_CHOKING_ALGORITHM,
 162         // tracker
 163         ANNOUNCE_ALL_TRACKERS,
 164         ANNOUNCE_ALL_TIERS,
 165         ANNOUNCE_IP,
 166         MAX_CONCURRENT_HTTP_ANNOUNCES,
 167         STOP_TRACKER_TIMEOUT,
 168         PEER_TURNOVER,
 169         PEER_TURNOVER_CUTOFF,
 170         PEER_TURNOVER_INTERVAL,
 171         REQUEST_QUEUE_SIZE,
 172         DHT_BOOTSTRAP_NODES,
 173 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 174         I2P_INBOUND_QUANTITY,
 175         I2P_OUTBOUND_QUANTITY,
 176         I2P_INBOUND_LENGTH,
 177         I2P_OUTBOUND_LENGTH,
 178 #endif
 179
 180         ROW_COUNT
 181     };
 182 }
 183
 184 AdvancedSettings::AdvancedSettings(IGUIApplication *app, QWidget *parent)
 185     : GUIApplicationComponent(app, parent)
 186 {
 187     // column
 188     setColumnCount(COL_COUNT);
 189     const QStringList header = {tr("Setting"), tr("Value", "Value set for this setting")};
 190     setHorizontalHeaderLabels(header);
 191     // row
 192     setRowCount(ROW_COUNT);
 193     verticalHeader()->setVisible(false);
 194     // etc.
 195     setAlternatingRowColors(true);
 196     setSelectionMode(QAbstractItemView::NoSelection);
 197     setEditTriggers(QAbstractItemView::NoEditTriggers);
 198     // Load settings
 199     loadAdvancedSettings();
 200     resizeColumnToContents(0);
 201     horizontalHeader()->setStretchLastSection(true);
 202 }
 203
 204 void AdvancedSettings::saveAdvancedSettings() const
 205 {
 206     Preferences *const pref = Preferences::instance();
 207     BitTorrent::Session *const session = BitTorrent::Session::instance();
 208
 209     session->setResumeDataStorageType(m_comboBoxResumeDataStorage.currentData().value<BitTorrent::ResumeDataStorageType>());
 210 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
 211     // Physical memory (RAM) usage limit
 212     app()->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
 213 #endif
 214 #if defined(Q_OS_WIN)
 215     app()->setProcessMemoryPriority(m_comboBoxOSMemoryPriority.currentData().value<MemoryPriority>());
 216 #endif
 217     // Bdecode depth limit
 218     pref->setBdecodeDepthLimit(m_spinBoxBdecodeDepthLimit.value());
 219     // Bdecode token limit
 220     pref->setBdecodeTokenLimit(m_spinBoxBdecodeTokenLimit.value());
 221     // Async IO threads
 222     session->setAsyncIOThreads(m_spinBoxAsyncIOThreads.value());
 223 #ifdef QBT_USES_LIBTORRENT2
 224     // Hashing threads
 225     session->setHashingThreads(m_spinBoxHashingThreads.value());
 226 #endif
 227     // File pool size
 228     session->setFilePoolSize(m_spinBoxFilePoolSize.value());
 229     // Checking Memory Usage
 230     session->setCheckingMemUsage(m_spinBoxCheckingMemUsage.value());
 231 #ifndef QBT_USES_LIBTORRENT2
 232     // Disk write cache
 233     session->setDiskCacheSize(m_spinBoxCache.value());
 234     session->setDiskCacheTTL(m_spinBoxCacheTTL.value());
 235 #endif
 236     // Disk queue size
 237     session->setDiskQueueSize(m_spinBoxDiskQueueSize.value() * 1024);
 238 #ifdef QBT_USES_LIBTORRENT2
 239     session->setDiskIOType(m_comboBoxDiskIOType.currentData().value<BitTorrent::DiskIOType>());
 240 #endif
 241     // Disk IO read mode
 242     session->setDiskIOReadMode(m_comboBoxDiskIOReadMode.currentData().value<BitTorrent::DiskIOReadMode>());
 243     // Disk IO write mode
 244     session->setDiskIOWriteMode(m_comboBoxDiskIOWriteMode.currentData().value<BitTorrent::DiskIOWriteMode>());
 245 #ifndef QBT_USES_LIBTORRENT2
 246     // Coalesce reads & writes
 247     session->setCoalesceReadWriteEnabled(m_checkBoxCoalesceRW.isChecked());
 248 #endif
 249     // Piece extent affinity
 250     session->setPieceExtentAffinity(m_checkBoxPieceExtentAffinity.isChecked());
 251     // Suggest mode
 252     session->setSuggestMode(m_checkBoxSuggestMode.isChecked());
 253     // Send buffer watermark
 254     session->setSendBufferWatermark(m_spinBoxSendBufferWatermark.value());
 255     session->setSendBufferLowWatermark(m_spinBoxSendBufferLowWatermark.value());
 256     session->setSendBufferWatermarkFactor(m_spinBoxSendBufferWatermarkFactor.value());
 257     // Outgoing connections per second
 258     session->setConnectionSpeed(m_spinBoxConnectionSpeed.value());
 259     // Socket send buffer size
 260     session->setSocketSendBufferSize(m_spinBoxSocketSendBufferSize.value() * 1024);
 261     // Socket receive buffer size
 262     session->setSocketReceiveBufferSize(m_spinBoxSocketReceiveBufferSize.value() * 1024);
 263     // Socket listen backlog size
 264     session->setSocketBacklogSize(m_spinBoxSocketBacklogSize.value());
 265     // Save resume data interval
 266     session->setSaveResumeDataInterval(m_spinBoxSaveResumeDataInterval.value());
 267     // Save statistics interval
 268     session->setSaveStatisticsInterval(std::chrono::minutes(m_spinBoxSaveStatisticsInterval.value()));
 269     // .torrent file size limit
 270     pref->setTorrentFileSizeLimit(m_spinBoxTorrentFileSizeLimit.value() * 1024 * 1024);
 271     // Outgoing ports
 272     session->setOutgoingPortsMin(m_spinBoxOutgoingPortsMin.value());
 273     session->setOutgoingPortsMax(m_spinBoxOutgoingPortsMax.value());
 274     // UPnP lease duration
 275     session->setUPnPLeaseDuration(m_spinBoxUPnPLeaseDuration.value());
 276     // Type of service
 277     session->setPeerToS(m_spinBoxPeerToS.value());
 278     // uTP-TCP mixed mode
 279     session->setUtpMixedMode(m_comboBoxUtpMixedMode.currentData().value<BitTorrent::MixedModeAlgorithm>());
 280     // Support internationalized domain name (IDN)
 281     session->setIDNSupportEnabled(m_checkBoxIDNSupport.isChecked());
 282     // multiple connections per IP
 283     session->setMultiConnectionsPerIpEnabled(m_checkBoxMultiConnectionsPerIp.isChecked());
 284     // Validate HTTPS tracker certificate
 285     session->setValidateHTTPSTrackerCertificate(m_checkBoxValidateHTTPSTrackerCertificate.isChecked());
 286     // SSRF mitigation
 287     session->setSSRFMitigationEnabled(m_checkBoxSSRFMitigation.isChecked());
 288     // Disallow connection to peers on privileged ports
 289     session->setBlockPeersOnPrivilegedPorts(m_checkBoxBlockPeersOnPrivilegedPorts.isChecked());
 290     // Recheck torrents on completion
 291     pref->recheckTorrentsOnCompletion(m_checkBoxRecheckCompleted.isChecked());
 292     // Customize application instance name
 293     app()->setInstanceName(m_lineEditAppInstanceName.text());
 294     // Transfer list refresh interval
 295     session->setRefreshInterval(m_spinBoxListRefresh.value());
 296     // Peer resolution
 297     pref->resolvePeerCountries(m_checkBoxResolveCountries.isChecked());
 298     pref->resolvePeerHostNames(m_checkBoxResolveHosts.isChecked());
 299     // Network interface
 300     session->setNetworkInterface(m_comboBoxInterface.currentData().toString());
 301     session->setNetworkInterfaceName((m_comboBoxInterface.currentIndex() == 0)
 302         ? QString()
 303         : m_comboBoxInterface.currentText());
 304     // Interface address
 305     // Construct a QHostAddress to filter malformed strings
 306     const QHostAddress ifaceAddr {m_comboBoxInterfaceAddress.currentData().toString()};
 307     session->setNetworkInterfaceAddress(ifaceAddr.toString());
 308     // Announce IP
 309     // Construct a QHostAddress to filter malformed strings
 310     const QHostAddress addr(m_lineEditAnnounceIP.text().trimmed());
 311     session->setAnnounceIP(addr.toString());
 312     // Max concurrent HTTP announces
 313     session->setMaxConcurrentHTTPAnnounces(m_spinBoxMaxConcurrentHTTPAnnounces.value());
 314     // Stop tracker timeout
 315     session->setStopTrackerTimeout(m_spinBoxStopTrackerTimeout.value());
 316     // Program notification
 317     app()->desktopIntegration()->setNotificationsEnabled(m_checkBoxProgramNotifications.isChecked());
 318 #ifdef QBT_USES_DBUS
 319     app()->desktopIntegration()->setNotificationTimeout(m_spinBoxNotificationTimeout.value());
 320 #endif
 321     app()->setTorrentAddedNotificationsEnabled(m_checkBoxTorrentAddedNotifications.isChecked());
 322     // Reannounce to all trackers when ip/port changed
 323     session->setReannounceWhenAddressChangedEnabled(m_checkBoxReannounceWhenAddressChanged.isChecked());
 324     // Misc GUI properties
 325     app()->mainWindow()->setDownloadTrackerFavicon(m_checkBoxTrackerFavicon.isChecked());
 326     pref->setAddNewTorrentDialogSavePathHistoryLength(m_spinBoxSavePathHistoryLength.value());
 327     pref->setSpeedWidgetEnabled(m_checkBoxSpeedWidgetEnabled.isChecked());
 328 #ifndef Q_OS_MACOS
 329     pref->setIconsInMenusEnabled(m_checkBoxIconsInMenusEnabled.isChecked());
 330 #endif
 331
 332     // Tracker
 333     pref->setTrackerPort(m_spinBoxTrackerPort.value());
 334     pref->setTrackerPortForwardingEnabled(m_checkBoxTrackerPortForwarding.isChecked());
 335     session->setTrackerEnabled(m_checkBoxTrackerStatus.isChecked());
 336 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 337     // Mark-of-the-Web
 338     pref->setMarkOfTheWebEnabled(m_checkBoxMarkOfTheWeb.isChecked());
 339 #endif // Q_OS_MACOS || Q_OS_WIN
 340     // Ignore SSL errors
 341     pref->setIgnoreSSLErrors(m_checkBoxIgnoreSSLErrors.isChecked());
 342     // Python executable path
 343     pref->setPythonExecutablePath(Path(m_pythonExecutablePath.text().trimmed()));
 344     // Start session paused
 345     session->setStartPaused(m_checkBoxStartSessionPaused.isChecked());
 346     // Session shutdown timeout
 347     session->setShutdownTimeout(m_spinBoxSessionShutdownTimeout.value());
 348     // Choking algorithm
 349     session->setChokingAlgorithm(m_comboBoxChokingAlgorithm.currentData().value<BitTorrent::ChokingAlgorithm>());
 350     // Seed choking algorithm
 351     session->setSeedChokingAlgorithm(m_comboBoxSeedChokingAlgorithm.currentData().value<BitTorrent::SeedChokingAlgorithm>());
 352
 353     pref->setConfirmTorrentRecheck(m_checkBoxConfirmTorrentRecheck.isChecked());
 354
 355     pref->setConfirmRemoveAllTags(m_checkBoxConfirmRemoveAllTags.isChecked());
 356     pref->setConfirmRemoveTrackerFromAllTorrents(m_checkBoxConfirmRemoveTrackerFromAllTorrents.isChecked());
 357
 358     session->setAnnounceToAllTrackers(m_checkBoxAnnounceAllTrackers.isChecked());
 359     session->setAnnounceToAllTiers(m_checkBoxAnnounceAllTiers.isChecked());
 360
 361     session->setPeerTurnover(m_spinBoxPeerTurnover.value());
 362     session->setPeerTurnoverCutoff(m_spinBoxPeerTurnoverCutoff.value());
 363     session->setPeerTurnoverInterval(m_spinBoxPeerTurnoverInterval.value());
 364     // Maximum outstanding requests to a single peer
 365     session->setRequestQueueSize(m_spinBoxRequestQueueSize.value());
 366     // DHT bootstrap nodes
 367     session->setDHTBootstrapNodes(m_lineEditDHTBootstrapNodes.text());
 368 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 369     // I2P session options
 370     session->setI2PInboundQuantity(m_spinBoxI2PInboundQuantity.value());
 371     session->setI2POutboundQuantity(m_spinBoxI2POutboundQuantity.value());
 372     session->setI2PInboundLength(m_spinBoxI2PInboundLength.value());
 373     session->setI2POutboundLength(m_spinBoxI2POutboundLength.value());
 374 #endif
 375
 376     session->setTorrentContentRemoveOption(m_comboBoxTorrentContentRemoveOption.currentData().value<BitTorrent::TorrentContentRemoveOption>());
 377 }
 378
 379 #ifndef QBT_USES_LIBTORRENT2
 380 void AdvancedSettings::updateCacheSpinSuffix(const int value)
 381 {
 382     if (value == 0)
 383         m_spinBoxCache.setSuffix(tr(" (disabled)"));
 384     else if (value < 0)
 385         m_spinBoxCache.setSuffix(tr(" (auto)"));
 386     else
 387         m_spinBoxCache.setSuffix(tr(" MiB"));
 388 }
 389 #endif
 390
 391 #ifdef QBT_USES_DBUS
 392 void AdvancedSettings::updateNotificationTimeoutSuffix(const int value)
 393 {
 394     if (value == 0)
 395         m_spinBoxNotificationTimeout.setSuffix(tr(" (infinite)"));
 396     else if (value < 0)
 397         m_spinBoxNotificationTimeout.setSuffix(tr(" (system default)"));
 398     else
 399         m_spinBoxNotificationTimeout.setSuffix(tr(" ms", " milliseconds"));
 400 }
 401 #endif
 402
 403 void AdvancedSettings::updateInterfaceAddressCombo()
 404 {
 405     const auto toString = [](const QHostAddress &address) -> QString
 406     {
 407         switch (address.protocol()) {
 408         case QAbstractSocket::IPv4Protocol:
 409             return address.toString();
 410         case QAbstractSocket::IPv6Protocol:
 411             return Utils::Net::canonicalIPv6Addr(address).toString();
 412         default:
 413             Q_UNREACHABLE();
 414             break;
 415         }
 416         return {};
 417     };
 418
 419     // Clear all items and reinsert them
 420     m_comboBoxInterfaceAddress.clear();
 421     m_comboBoxInterfaceAddress.addItem(tr("All addresses"), QString());
 422     m_comboBoxInterfaceAddress.addItem(tr("All IPv4 addresses"), QHostAddress(QHostAddress::AnyIPv4).toString());
 423     m_comboBoxInterfaceAddress.addItem(tr("All IPv6 addresses"), QHostAddress(QHostAddress::AnyIPv6).toString());
 424
 425     const QString currentIface = m_comboBoxInterface.currentData().toString();
 426     if (currentIface.isEmpty())  // `any` interface
 427     {
 428         for (const QHostAddress &address : asConst(QNetworkInterface::allAddresses()))
 429         {
 430             const QString addressString = toString(address);
 431             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 432         }
 433     }
 434     else
 435     {
 436         const QList<QNetworkAddressEntry> addresses = QNetworkInterface::interfaceFromName(currentIface).addressEntries();
 437         for (const QNetworkAddressEntry &entry : addresses)
 438         {
 439             const QString addressString = toString(entry.ip());
 440             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 441         }
 442     }
 443
 444     const QString currentAddress = BitTorrent::Session::instance()->networkInterfaceAddress();
 445     const int index = m_comboBoxInterfaceAddress.findData(currentAddress);
 446     if (index > -1)
 447     {
 448         m_comboBoxInterfaceAddress.setCurrentIndex(index);
 449     }
 450     else
 451     {
 452         // not found, for the sake of UI consistency, add such entry
 453         m_comboBoxInterfaceAddress.addItem(currentAddress, currentAddress);
 454         m_comboBoxInterfaceAddress.setCurrentIndex(m_comboBoxInterfaceAddress.count() - 1);
 455     }
 456 }
 457
 458 void AdvancedSettings::loadAdvancedSettings()
 459 {
 460     const Preferences *const pref = Preferences::instance();
 461     const BitTorrent::Session *const session = BitTorrent::Session::instance();
 462
 463     // add section headers
 464     auto *labelQbtLink = new QLabel(
 465         makeLink(u"https://github.com/qbittorrent/qBittorrent/wiki/Explanation-of-Options-in-qBittorrent#Advanced"
 466                  , tr("Open documentation"))
 467         , this);
 468     labelQbtLink->setOpenExternalLinks(true);
 469     addRow(QBITTORRENT_HEADER, u"<b>%1</b>"_s.arg(tr("qBittorrent Section")), labelQbtLink);
 470     static_cast<QLabel *>(cellWidget(QBITTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 471
 472     auto *labelLibtorrentLink = new QLabel(
 473         makeLink(u"https://www.libtorrent.org/reference-Settings.html"
 474                  , tr("Open documentation"))
 475         , this);
 476     labelLibtorrentLink->setOpenExternalLinks(true);
 477     addRow(LIBTORRENT_HEADER, u"<b>%1</b>"_s.arg(tr("libtorrent Section")), labelLibtorrentLink);
 478     static_cast<QLabel *>(cellWidget(LIBTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 479
 480     m_comboBoxResumeDataStorage.addItem(tr("Fastresume files"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::Legacy));
 481     m_comboBoxResumeDataStorage.addItem(tr("SQLite database (experimental)"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::SQLite));
 482     m_comboBoxResumeDataStorage.setCurrentIndex(m_comboBoxResumeDataStorage.findData(QVariant::fromValue(session->resumeDataStorageType())));
 483     addRow(RESUME_DATA_STORAGE, tr("Resume data storage type (requires restart)"), &m_comboBoxResumeDataStorage);
 484
 485     m_comboBoxTorrentContentRemoveOption.addItem(tr("Delete files permanently"), QVariant::fromValue(BitTorrent::TorrentContentRemoveOption::Delete));
 486     m_comboBoxTorrentContentRemoveOption.addItem(tr("Move files to trash (if possible)"), QVariant::fromValue(BitTorrent::TorrentContentRemoveOption::MoveToTrash));
 487     m_comboBoxTorrentContentRemoveOption.setCurrentIndex(m_comboBoxTorrentContentRemoveOption.findData(QVariant::fromValue(session->torrentContentRemoveOption())));
 488     addRow(TORRENT_CONTENT_REMOVE_OPTION, tr("Torrent content removing mode"), &m_comboBoxTorrentContentRemoveOption);
 489
 490 #if defined(QBT_USES_LIBTORRENT2) && !defined(Q_OS_MACOS)
 491     // Physical memory (RAM) usage limit
 492     m_spinBoxMemoryWorkingSetLimit.setMinimum(1);
 493     m_spinBoxMemoryWorkingSetLimit.setMaximum(std::numeric_limits<int>::max());
 494     m_spinBoxMemoryWorkingSetLimit.setSuffix(tr(" MiB"));
 495     m_spinBoxMemoryWorkingSetLimit.setToolTip(tr("This option is less effective on Linux"));
 496     m_spinBoxMemoryWorkingSetLimit.setValue(app()->memoryWorkingSetLimit());
 497     addRow(MEMORY_WORKING_SET_LIMIT, (tr("Physical memory (RAM) usage limit") + u' ' + makeLink(u"https://wikipedia.org/wiki/Working_set", u"(?)"))
 498         , &m_spinBoxMemoryWorkingSetLimit);
 499 #endif
 500 #if defined(Q_OS_WIN)
 501     m_comboBoxOSMemoryPriority.addItem(tr("Normal"), QVariant::fromValue(MemoryPriority::Normal));
 502     m_comboBoxOSMemoryPriority.addItem(tr("Below normal"), QVariant::fromValue(MemoryPriority::BelowNormal));
 503     m_comboBoxOSMemoryPriority.addItem(tr("Medium"), QVariant::fromValue(MemoryPriority::Medium));
 504     m_comboBoxOSMemoryPriority.addItem(tr("Low"), QVariant::fromValue(MemoryPriority::Low));
 505     m_comboBoxOSMemoryPriority.addItem(tr("Very low"), QVariant::fromValue(MemoryPriority::VeryLow));
 506     m_comboBoxOSMemoryPriority.setCurrentIndex(m_comboBoxOSMemoryPriority.findData(QVariant::fromValue(app()->processMemoryPriority())));
 507     addRow(OS_MEMORY_PRIORITY, (tr("Process memory priority")
 508         + u' ' + makeLink(u"https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-memory_priority_information", u"(?)"))
 509         , &m_comboBoxOSMemoryPriority);
 510 #endif
 511     // Bdecode depth limit
 512     m_spinBoxBdecodeDepthLimit.setMinimum(0);
 513     m_spinBoxBdecodeDepthLimit.setMaximum(std::numeric_limits<int>::max());
 514     m_spinBoxBdecodeDepthLimit.setValue(pref->getBdecodeDepthLimit());
 515     addRow(BDECODE_DEPTH_LIMIT, (tr("Bdecode depth limit") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Bdecoding.html#bdecode()", u"(?)"))
 516             , &m_spinBoxBdecodeDepthLimit);
 517     // Bdecode token limit
 518     m_spinBoxBdecodeTokenLimit.setMinimum(0);
 519     m_spinBoxBdecodeTokenLimit.setMaximum(std::numeric_limits<int>::max());
 520     m_spinBoxBdecodeTokenLimit.setValue(pref->getBdecodeTokenLimit());
 521     addRow(BDECODE_TOKEN_LIMIT, (tr("Bdecode token limit") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Bdecoding.html#bdecode()", u"(?)"))
 522             , &m_spinBoxBdecodeTokenLimit);
 523     // Async IO threads
 524     m_spinBoxAsyncIOThreads.setMinimum(1);
 525     m_spinBoxAsyncIOThreads.setMaximum(1024);
 526     m_spinBoxAsyncIOThreads.setValue(session->asyncIOThreads());
 527     addRow(ASYNC_IO_THREADS, (tr("Asynchronous I/O threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#aio_threads", u"(?)"))
 528             , &m_spinBoxAsyncIOThreads);
 529
 530 #ifdef QBT_USES_LIBTORRENT2
 531     // Hashing threads
 532     m_spinBoxHashingThreads.setMinimum(1);
 533     m_spinBoxHashingThreads.setMaximum(1024);
 534     m_spinBoxHashingThreads.setValue(session->hashingThreads());
 535     addRow(HASHING_THREADS, (tr("Hashing threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#hashing_threads", u"(?)"))
 536             , &m_spinBoxHashingThreads);
 537 #endif
 538
 539     // File pool size
 540     m_spinBoxFilePoolSize.setMinimum(1);
 541     m_spinBoxFilePoolSize.setMaximum(std::numeric_limits<int>::max());
 542     m_spinBoxFilePoolSize.setValue(session->filePoolSize());
 543     addRow(FILE_POOL_SIZE, (tr("File pool size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#file_pool_size", u"(?)"))
 544         , &m_spinBoxFilePoolSize);
 545
 546     // Checking Memory Usage
 547     m_spinBoxCheckingMemUsage.setMinimum(1);
 548     // When build as 32bit binary, set the maximum value lower to prevent crashes.
 549 #ifdef QBT_APP_64BIT
 550     m_spinBoxCheckingMemUsage.setMaximum(1024);
 551 #else
 552     // Allocate at most 128MiB out of the remaining 512MiB (see the cache part below)
 553     m_spinBoxCheckingMemUsage.setMaximum(128);
 554 #endif
 555     m_spinBoxCheckingMemUsage.setValue(session->checkingMemUsage());
 556     m_spinBoxCheckingMemUsage.setSuffix(tr(" MiB"));
 557     addRow(CHECKING_MEM_USAGE, (tr("Outstanding memory when checking torrents") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#checking_mem_usage", u"(?)"))
 558             , &m_spinBoxCheckingMemUsage);
 559 #ifndef QBT_USES_LIBTORRENT2
 560     // Disk write cache
 561     m_spinBoxCache.setMinimum(-1);
 562     // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
 563 #ifdef QBT_APP_64BIT
 564     m_spinBoxCache.setMaximum(33554431);  // 32768GiB
 565 #else
 566     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
 567     m_spinBoxCache.setMaximum(1536);
 568 #endif
 569     m_spinBoxCache.setValue(session->diskCacheSize());
 570     updateCacheSpinSuffix(m_spinBoxCache.value());
 571     connect(&m_spinBoxCache, qOverload<int>(&QSpinBox::valueChanged)
 572             , this, &AdvancedSettings::updateCacheSpinSuffix);
 573     addRow(DISK_CACHE, (tr("Disk cache") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_size", u"(?)"))
 574             , &m_spinBoxCache);
 575     // Disk cache expiry
 576     m_spinBoxCacheTTL.setMinimum(1);
 577     m_spinBoxCacheTTL.setMaximum(std::numeric_limits<int>::max());
 578     m_spinBoxCacheTTL.setValue(session->diskCacheTTL());
 579     m_spinBoxCacheTTL.setSuffix(tr(" s", " seconds"));
 580     addRow(DISK_CACHE_TTL, (tr("Disk cache expiry interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_expiry", u"(?)"))
 581             , &m_spinBoxCacheTTL);
 582 #endif
 583     // Disk queue size
 584     m_spinBoxDiskQueueSize.setMinimum(1);
 585     m_spinBoxDiskQueueSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 586     m_spinBoxDiskQueueSize.setValue(session->diskQueueSize() / 1024);
 587     m_spinBoxDiskQueueSize.setSuffix(tr(" KiB"));
 588     addRow(DISK_QUEUE_SIZE, (tr("Disk queue size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_queued_disk_bytes", u"(?)"))
 589             , &m_spinBoxDiskQueueSize);
 590 #ifdef QBT_USES_LIBTORRENT2
 591     // Disk IO type
 592     m_comboBoxDiskIOType.addItem(tr("Default"), QVariant::fromValue(BitTorrent::DiskIOType::Default));
 593     m_comboBoxDiskIOType.addItem(tr("Memory mapped files"), QVariant::fromValue(BitTorrent::DiskIOType::MMap));
 594     m_comboBoxDiskIOType.addItem(tr("POSIX-compliant"), QVariant::fromValue(BitTorrent::DiskIOType::Posix));
 595     m_comboBoxDiskIOType.addItem(tr("Simple pread/pwrite"), QVariant::fromValue(BitTorrent::DiskIOType::SimplePreadPwrite));
 596     m_comboBoxDiskIOType.setCurrentIndex(m_comboBoxDiskIOType.findData(QVariant::fromValue(session->diskIOType())));
 597     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"(?)")
 598            , &m_comboBoxDiskIOType);
 599 #endif
 600     // Disk IO read mode
 601     m_comboBoxDiskIOReadMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::DisableOSCache));
 602     m_comboBoxDiskIOReadMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::EnableOSCache));
 603     m_comboBoxDiskIOReadMode.setCurrentIndex(m_comboBoxDiskIOReadMode.findData(QVariant::fromValue(session->diskIOReadMode())));
 604     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"(?)"))
 605             , &m_comboBoxDiskIOReadMode);
 606     // Disk IO write mode
 607     m_comboBoxDiskIOWriteMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::DisableOSCache));
 608     m_comboBoxDiskIOWriteMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::EnableOSCache));
 609 #ifdef QBT_USES_LIBTORRENT2
 610     m_comboBoxDiskIOWriteMode.addItem(tr("Write-through"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::WriteThrough));
 611 #endif
 612     m_comboBoxDiskIOWriteMode.setCurrentIndex(m_comboBoxDiskIOWriteMode.findData(QVariant::fromValue(session->diskIOWriteMode())));
 613     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"(?)"))
 614             , &m_comboBoxDiskIOWriteMode);
 615 #ifndef QBT_USES_LIBTORRENT2
 616     // Coalesce reads & writes
 617     m_checkBoxCoalesceRW.setChecked(session->isCoalesceReadWriteEnabled());
 618     addRow(COALESCE_RW, (tr("Coalesce reads & writes") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#coalesce_reads", u"(?)"))
 619             , &m_checkBoxCoalesceRW);
 620 #endif
 621     // Piece extent affinity
 622     m_checkBoxPieceExtentAffinity.setChecked(session->usePieceExtentAffinity());
 623     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);
 624     // Suggest mode
 625     m_checkBoxSuggestMode.setChecked(session->isSuggestModeEnabled());
 626     addRow(SUGGEST_MODE, (tr("Send upload piece suggestions") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#suggest_mode", u"(?)"))
 627             , &m_checkBoxSuggestMode);
 628     // Send buffer watermark
 629     m_spinBoxSendBufferWatermark.setMinimum(1);
 630     m_spinBoxSendBufferWatermark.setMaximum(std::numeric_limits<int>::max());
 631     m_spinBoxSendBufferWatermark.setSuffix(tr(" KiB"));
 632     m_spinBoxSendBufferWatermark.setValue(session->sendBufferWatermark());
 633     addRow(SEND_BUF_WATERMARK, (tr("Send buffer watermark") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark", u"(?)"))
 634             , &m_spinBoxSendBufferWatermark);
 635     m_spinBoxSendBufferLowWatermark.setMinimum(1);
 636     m_spinBoxSendBufferLowWatermark.setMaximum(std::numeric_limits<int>::max());
 637     m_spinBoxSendBufferLowWatermark.setSuffix(tr(" KiB"));
 638     m_spinBoxSendBufferLowWatermark.setValue(session->sendBufferLowWatermark());
 639     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"(?)"))
 640             , &m_spinBoxSendBufferLowWatermark);
 641     m_spinBoxSendBufferWatermarkFactor.setMinimum(1);
 642     m_spinBoxSendBufferWatermarkFactor.setMaximum(std::numeric_limits<int>::max());
 643     m_spinBoxSendBufferWatermarkFactor.setSuffix(u" %"_s);
 644     m_spinBoxSendBufferWatermarkFactor.setValue(session->sendBufferWatermarkFactor());
 645     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"(?)"))
 646             , &m_spinBoxSendBufferWatermarkFactor);
 647     // Outgoing connections per second
 648     m_spinBoxConnectionSpeed.setMinimum(0);
 649     m_spinBoxConnectionSpeed.setMaximum(std::numeric_limits<int>::max());
 650     m_spinBoxConnectionSpeed.setValue(session->connectionSpeed());
 651     addRow(CONNECTION_SPEED, (tr("Outgoing connections per second") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#connection_speed", u"(?)"))
 652             , &m_spinBoxConnectionSpeed);
 653     // Socket send buffer size
 654     m_spinBoxSocketSendBufferSize.setMinimum(0);
 655     m_spinBoxSocketSendBufferSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 656     m_spinBoxSocketSendBufferSize.setValue(session->socketSendBufferSize() / 1024);
 657     m_spinBoxSocketSendBufferSize.setSuffix(tr(" KiB"));
 658     m_spinBoxSocketSendBufferSize.setSpecialValueText(tr("0 (system default)"));
 659     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"(?)"))
 660             , &m_spinBoxSocketSendBufferSize);
 661     // Socket receive buffer size
 662     m_spinBoxSocketReceiveBufferSize.setMinimum(0);
 663     m_spinBoxSocketReceiveBufferSize.setMaximum(std::numeric_limits<int>::max() / 1024);
 664     m_spinBoxSocketReceiveBufferSize.setValue(session->socketReceiveBufferSize() / 1024);
 665     m_spinBoxSocketReceiveBufferSize.setSuffix(tr(" KiB"));
 666     m_spinBoxSocketReceiveBufferSize.setSpecialValueText(tr("0 (system default)"));
 667     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"(?)"))
 668             , &m_spinBoxSocketReceiveBufferSize);
 669     // Socket listen backlog size
 670     m_spinBoxSocketBacklogSize.setMinimum(1);
 671     m_spinBoxSocketBacklogSize.setMaximum(std::numeric_limits<int>::max());
 672     m_spinBoxSocketBacklogSize.setValue(session->socketBacklogSize());
 673     addRow(SOCKET_BACKLOG_SIZE, (tr("Socket backlog size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#listen_queue_size", u"(?)"))
 674             , &m_spinBoxSocketBacklogSize);
 675     // Save resume data interval
 676     m_spinBoxSaveResumeDataInterval.setMinimum(0);
 677     m_spinBoxSaveResumeDataInterval.setMaximum(std::numeric_limits<int>::max());
 678     m_spinBoxSaveResumeDataInterval.setValue(session->saveResumeDataInterval());
 679     m_spinBoxSaveResumeDataInterval.setSuffix(tr(" min", " minutes"));
 680     m_spinBoxSaveResumeDataInterval.setSpecialValueText(tr("0 (disabled)"));
 681     addRow(SAVE_RESUME_DATA_INTERVAL, tr("Save resume data interval [0: disabled]", "How often the fastresume file is saved."), &m_spinBoxSaveResumeDataInterval);
 682     // Save statistics interval
 683     m_spinBoxSaveStatisticsInterval.setMinimum(0);
 684     m_spinBoxSaveStatisticsInterval.setMaximum(std::numeric_limits<int>::max());
 685     m_spinBoxSaveStatisticsInterval.setValue(session->saveStatisticsInterval().count());
 686     m_spinBoxSaveStatisticsInterval.setSuffix(tr(" min", " minutes"));
 687     m_spinBoxSaveStatisticsInterval.setSpecialValueText(tr("0 (disabled)"));
 688     addRow(SAVE_STATISTICS_INTERVAL, tr("Save statistics interval [0: disabled]", "How often the statistics file is saved."), &m_spinBoxSaveStatisticsInterval);
 689     // .torrent file size limit
 690     m_spinBoxTorrentFileSizeLimit.setMinimum(1);
 691     m_spinBoxTorrentFileSizeLimit.setMaximum(std::numeric_limits<int>::max() / 1024 / 1024);
 692     m_spinBoxTorrentFileSizeLimit.setValue(pref->getTorrentFileSizeLimit() / 1024 / 1024);
 693     m_spinBoxTorrentFileSizeLimit.setSuffix(tr(" MiB"));
 694     addRow(TORRENT_FILE_SIZE_LIMIT, tr(".torrent file size limit"), &m_spinBoxTorrentFileSizeLimit);
 695     // Outgoing port Min
 696     m_spinBoxOutgoingPortsMin.setMinimum(0);
 697     m_spinBoxOutgoingPortsMin.setMaximum(65535);
 698     m_spinBoxOutgoingPortsMin.setValue(session->outgoingPortsMin());
 699     m_spinBoxOutgoingPortsMin.setSpecialValueText(tr("0 (disabled)"));
 700     addRow(OUTGOING_PORT_MIN, (tr("Outgoing ports (Min) [0: disabled]")
 701         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 702         , &m_spinBoxOutgoingPortsMin);
 703     // Outgoing port Max
 704     m_spinBoxOutgoingPortsMax.setMinimum(0);
 705     m_spinBoxOutgoingPortsMax.setMaximum(65535);
 706     m_spinBoxOutgoingPortsMax.setValue(session->outgoingPortsMax());
 707     m_spinBoxOutgoingPortsMax.setSpecialValueText(tr("0 (disabled)"));
 708     addRow(OUTGOING_PORT_MAX, (tr("Outgoing ports (Max) [0: disabled]")
 709         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 710         , &m_spinBoxOutgoingPortsMax);
 711     // UPnP lease duration
 712     m_spinBoxUPnPLeaseDuration.setMinimum(0);
 713     m_spinBoxUPnPLeaseDuration.setMaximum(std::numeric_limits<int>::max());
 714     m_spinBoxUPnPLeaseDuration.setValue(session->UPnPLeaseDuration());
 715     m_spinBoxUPnPLeaseDuration.setSuffix(tr(" s", " seconds"));
 716     m_spinBoxUPnPLeaseDuration.setSpecialValueText(tr("0 (permanent lease)"));
 717     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"(?)"))
 718         , &m_spinBoxUPnPLeaseDuration);
 719     // Type of service
 720     m_spinBoxPeerToS.setMinimum(0);
 721     m_spinBoxPeerToS.setMaximum(255);
 722     m_spinBoxPeerToS.setValue(session->peerToS());
 723     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"(?)"))
 724         , &m_spinBoxPeerToS);
 725     // uTP-TCP mixed mode
 726     m_comboBoxUtpMixedMode.addItem(tr("Prefer TCP"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::TCP));
 727     m_comboBoxUtpMixedMode.addItem(tr("Peer proportional (throttles TCP)"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::Proportional));
 728     m_comboBoxUtpMixedMode.setCurrentIndex(m_comboBoxUtpMixedMode.findData(QVariant::fromValue(session->utpMixedMode())));
 729     addRow(UTP_MIX_MODE, (tr("%1-TCP mixed mode algorithm", "uTP-TCP mixed mode algorithm").arg(C_UTP)
 730             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#mixed_mode_algorithm", u"(?)"))
 731             , &m_comboBoxUtpMixedMode);
 732     // Support internationalized domain name (IDN)
 733     m_checkBoxIDNSupport.setChecked(session->isIDNSupportEnabled());
 734     addRow(IDN_SUPPORT, (tr("Support internationalized domain name (IDN)")
 735             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_idna", u"(?)"))
 736             , &m_checkBoxIDNSupport);
 737     // multiple connections per IP
 738     m_checkBoxMultiConnectionsPerIp.setChecked(session->multiConnectionsPerIpEnabled());
 739     addRow(MULTI_CONNECTIONS_PER_IP, (tr("Allow multiple connections from the same IP address")
 740             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_multiple_connections_per_ip", u"(?)"))
 741             , &m_checkBoxMultiConnectionsPerIp);
 742     // Validate HTTPS tracker certificate
 743     m_checkBoxValidateHTTPSTrackerCertificate.setChecked(session->validateHTTPSTrackerCertificate());
 744     addRow(VALIDATE_HTTPS_TRACKER_CERTIFICATE, (tr("Validate HTTPS tracker certificates")
 745             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#validate_https_trackers", u"(?)"))
 746             , &m_checkBoxValidateHTTPSTrackerCertificate);
 747     // SSRF mitigation
 748     m_checkBoxSSRFMitigation.setChecked(session->isSSRFMitigationEnabled());
 749     addRow(SSRF_MITIGATION, (tr("Server-side request forgery (SSRF) mitigation")
 750         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#ssrf_mitigation", u"(?)"))
 751         , &m_checkBoxSSRFMitigation);
 752     // Disallow connection to peers on privileged ports
 753     m_checkBoxBlockPeersOnPrivilegedPorts.setChecked(session->blockPeersOnPrivilegedPorts());
 754     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);
 755     // Recheck completed torrents
 756     m_checkBoxRecheckCompleted.setChecked(pref->recheckTorrentsOnCompletion());
 757     addRow(RECHECK_COMPLETED, tr("Recheck torrents on completion"), &m_checkBoxRecheckCompleted);
 758     // Customize application instance name
 759     m_lineEditAppInstanceName.setText(app()->instanceName());
 760     m_lineEditAppInstanceName.setToolTip(tr("It appends the text to the window title to help distinguish qBittorent instances"));
 761     addRow(APP_INSTANCE_NAME, tr("Customize application instance name"), &m_lineEditAppInstanceName);
 762     // Refresh interval
 763     m_spinBoxListRefresh.setMinimum(30);
 764     m_spinBoxListRefresh.setMaximum(99999);
 765     m_spinBoxListRefresh.setValue(session->refreshInterval());
 766     m_spinBoxListRefresh.setSuffix(tr(" ms", " milliseconds"));
 767     m_spinBoxListRefresh.setToolTip(tr("It controls the internal state update interval which in turn will affect UI updates"));
 768     addRow(LIST_REFRESH, tr("Refresh interval"), &m_spinBoxListRefresh);
 769     // Resolve Peer countries
 770     m_checkBoxResolveCountries.setChecked(pref->resolvePeerCountries());
 771     addRow(RESOLVE_COUNTRIES, tr("Resolve peer countries"), &m_checkBoxResolveCountries);
 772     // Resolve peer hosts
 773     m_checkBoxResolveHosts.setChecked(pref->resolvePeerHostNames());
 774     addRow(RESOLVE_HOSTS, tr("Resolve peer host names"), &m_checkBoxResolveHosts);
 775     // Network interface
 776     m_comboBoxInterface.addItem(tr("Any interface", "i.e. Any network interface"), QString());
 777     for (const QNetworkInterface &iface : asConst(QNetworkInterface::allInterfaces()))
 778         m_comboBoxInterface.addItem(iface.humanReadableName(), iface.name());
 779
 780     const QString currentInterface = session->networkInterface();
 781     const int ifaceIndex = m_comboBoxInterface.findData(currentInterface);
 782     if (ifaceIndex > -1)
 783     {
 784         m_comboBoxInterface.setCurrentIndex(ifaceIndex);
 785     }
 786     else
 787     {
 788         // Saved interface does not exist, show it
 789         m_comboBoxInterface.addItem(session->networkInterfaceName(), currentInterface);
 790         m_comboBoxInterface.setCurrentIndex(m_comboBoxInterface.count() - 1);
 791     }
 792
 793     connect(&m_comboBoxInterface, qOverload<int>(&QComboBox::currentIndexChanged)
 794         , this, &AdvancedSettings::updateInterfaceAddressCombo);
 795     addRow(NETWORK_IFACE, tr("Network interface"), &m_comboBoxInterface);
 796     // Network interface address
 797     updateInterfaceAddressCombo();
 798     addRow(NETWORK_IFACE_ADDRESS, tr("Optional IP address to bind to"), &m_comboBoxInterfaceAddress);
 799     // Announce IP
 800     m_lineEditAnnounceIP.setText(session->announceIP());
 801     addRow(ANNOUNCE_IP, (tr("IP address reported to trackers (requires restart)")
 802         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_ip", u"(?)"))
 803         , &m_lineEditAnnounceIP);
 804     // Max concurrent HTTP announces
 805     m_spinBoxMaxConcurrentHTTPAnnounces.setMaximum(std::numeric_limits<int>::max());
 806     m_spinBoxMaxConcurrentHTTPAnnounces.setValue(session->maxConcurrentHTTPAnnounces());
 807     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"(?)"))
 808            , &m_spinBoxMaxConcurrentHTTPAnnounces);
 809     // Stop tracker timeout
 810     m_spinBoxStopTrackerTimeout.setMaximum(std::numeric_limits<int>::max());
 811     m_spinBoxStopTrackerTimeout.setValue(session->stopTrackerTimeout());
 812     m_spinBoxStopTrackerTimeout.setSuffix(tr(" s", " seconds"));
 813     m_spinBoxStopTrackerTimeout.setSpecialValueText(tr("0 (disabled)"));
 814     addRow(STOP_TRACKER_TIMEOUT, (tr("Stop tracker timeout [0: disabled]") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#stop_tracker_timeout", u"(?)"))
 815            , &m_spinBoxStopTrackerTimeout);
 816     // Program notifications
 817     m_checkBoxProgramNotifications.setChecked(app()->desktopIntegration()->isNotificationsEnabled());
 818     addRow(PROGRAM_NOTIFICATIONS, tr("Display notifications"), &m_checkBoxProgramNotifications);
 819     // Torrent added notifications
 820     m_checkBoxTorrentAddedNotifications.setChecked(app()->isTorrentAddedNotificationsEnabled());
 821     addRow(TORRENT_ADDED_NOTIFICATIONS, tr("Display notifications for added torrents"), &m_checkBoxTorrentAddedNotifications);
 822 #ifdef QBT_USES_DBUS
 823     // Notification timeout
 824     m_spinBoxNotificationTimeout.setMinimum(-1);
 825     m_spinBoxNotificationTimeout.setMaximum(std::numeric_limits<int>::max());
 826     m_spinBoxNotificationTimeout.setValue(app()->desktopIntegration()->notificationTimeout());
 827     connect(&m_spinBoxNotificationTimeout, qOverload<int>(&QSpinBox::valueChanged)
 828         , this, &AdvancedSettings::updateNotificationTimeoutSuffix);
 829     updateNotificationTimeoutSuffix(m_spinBoxNotificationTimeout.value());
 830     addRow(NOTIFICATION_TIMEOUT, tr("Notification timeout [0: infinite, -1: system default]"), &m_spinBoxNotificationTimeout);
 831 #endif
 832     // Reannounce to all trackers when ip/port changed
 833     m_checkBoxReannounceWhenAddressChanged.setChecked(session->isReannounceWhenAddressChangedEnabled());
 834     addRow(REANNOUNCE_WHEN_ADDRESS_CHANGED, tr("Reannounce to all trackers when IP or port changed"), &m_checkBoxReannounceWhenAddressChanged);
 835     // Download tracker's favicon
 836     m_checkBoxTrackerFavicon.setChecked(app()->mainWindow()->isDownloadTrackerFavicon());
 837     addRow(DOWNLOAD_TRACKER_FAVICON, tr("Download tracker's favicon"), &m_checkBoxTrackerFavicon);
 838     // Save path history length
 839     m_spinBoxSavePathHistoryLength.setRange(0, 99);
 840     m_spinBoxSavePathHistoryLength.setValue(pref->addNewTorrentDialogSavePathHistoryLength());
 841     addRow(SAVE_PATH_HISTORY_LENGTH, tr("Save path history length"), &m_spinBoxSavePathHistoryLength);
 842     // Enable speed graphs
 843     m_checkBoxSpeedWidgetEnabled.setChecked(pref->isSpeedWidgetEnabled());
 844     addRow(ENABLE_SPEED_WIDGET, tr("Enable speed graphs"), &m_checkBoxSpeedWidgetEnabled);
 845 #ifndef Q_OS_MACOS
 846     // Enable icons in menus
 847     m_checkBoxIconsInMenusEnabled.setChecked(pref->iconsInMenusEnabled());
 848     addRow(ENABLE_ICONS_IN_MENUS, tr("Enable icons in menus"), &m_checkBoxIconsInMenusEnabled);
 849 #endif
 850     // Tracker State
 851     m_checkBoxTrackerStatus.setChecked(session->isTrackerEnabled());
 852     addRow(TRACKER_STATUS, tr("Enable embedded tracker"), &m_checkBoxTrackerStatus);
 853     // Tracker port
 854     m_spinBoxTrackerPort.setMinimum(1);
 855     m_spinBoxTrackerPort.setMaximum(65535);
 856     m_spinBoxTrackerPort.setValue(pref->getTrackerPort());
 857     addRow(TRACKER_PORT, tr("Embedded tracker port"), &m_spinBoxTrackerPort);
 858     // Tracker port forwarding
 859     m_checkBoxTrackerPortForwarding.setChecked(pref->isTrackerPortForwardingEnabled());
 860     addRow(TRACKER_PORT_FORWARDING, tr("Enable port forwarding for embedded tracker"), &m_checkBoxTrackerPortForwarding);
 861 #if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
 862     // Mark-of-the-Web
 863 #ifdef Q_OS_MACOS
 864     const QString motwLabel = tr("Enable quarantine for downloaded files");
 865 #elif defined(Q_OS_WIN)
 866     const QString motwLabel = tr("Enable Mark-of-the-Web (MOTW) for downloaded files");
 867 #endif
 868     m_checkBoxMarkOfTheWeb.setChecked(pref->isMarkOfTheWebEnabled());
 869     addRow(ENABLE_MARK_OF_THE_WEB, motwLabel, &m_checkBoxMarkOfTheWeb);
 870 #endif // Q_OS_MACOS || Q_OS_WIN
 871     // Ignore SSL errors
 872     m_checkBoxIgnoreSSLErrors.setChecked(pref->isIgnoreSSLErrors());
 873     m_checkBoxIgnoreSSLErrors.setToolTip(tr("Affects certificate validation and non-torrent protocol activities (e.g. RSS feeds, program updates, torrent files, geoip db, etc)"));
 874     addRow(IGNORE_SSL_ERRORS, tr("Ignore SSL errors"), &m_checkBoxIgnoreSSLErrors);
 875     // Python executable path
 876     m_pythonExecutablePath.setPlaceholderText(tr("(Auto detect if empty)"));
 877     m_pythonExecutablePath.setText(pref->getPythonExecutablePath().toString());
 878     addRow(PYTHON_EXECUTABLE_PATH, tr("Python executable path (may require restart)"), &m_pythonExecutablePath);
 879     // Start session paused
 880     m_checkBoxStartSessionPaused.setChecked(session->isStartPaused());
 881     addRow(START_SESSION_PAUSED, tr("Start BitTorrent session in paused state"), &m_checkBoxStartSessionPaused);
 882     // Session shutdown timeout
 883     m_spinBoxSessionShutdownTimeout.setMinimum(-1);
 884     m_spinBoxSessionShutdownTimeout.setMaximum(std::numeric_limits<int>::max());
 885     m_spinBoxSessionShutdownTimeout.setValue(session->shutdownTimeout());
 886     m_spinBoxSessionShutdownTimeout.setSuffix(tr(" sec", " seconds"));
 887     m_spinBoxSessionShutdownTimeout.setSpecialValueText(tr("-1 (unlimited)"));
 888     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);
 889     addRow(SESSION_SHUTDOWN_TIMEOUT, tr("BitTorrent session shutdown timeout [-1: unlimited]"), &m_spinBoxSessionShutdownTimeout);
 890     // Choking algorithm
 891     m_comboBoxChokingAlgorithm.addItem(tr("Fixed slots"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::FixedSlots));
 892     m_comboBoxChokingAlgorithm.addItem(tr("Upload rate based"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::RateBased));
 893     m_comboBoxChokingAlgorithm.setCurrentIndex(m_comboBoxChokingAlgorithm.findData(QVariant::fromValue(session->chokingAlgorithm())));
 894     addRow(CHOKING_ALGORITHM, (tr("Upload slots behavior") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#choking_algorithm", u"(?)"))
 895             , &m_comboBoxChokingAlgorithm);
 896     // Seed choking algorithm
 897     m_comboBoxSeedChokingAlgorithm.addItem(tr("Round-robin"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::RoundRobin));
 898     m_comboBoxSeedChokingAlgorithm.addItem(tr("Fastest upload"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::FastestUpload));
 899     m_comboBoxSeedChokingAlgorithm.addItem(tr("Anti-leech"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::AntiLeech));
 900     m_comboBoxSeedChokingAlgorithm.setCurrentIndex(m_comboBoxSeedChokingAlgorithm.findData(QVariant::fromValue(session->seedChokingAlgorithm())));
 901     addRow(SEED_CHOKING_ALGORITHM, (tr("Upload choking algorithm") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#seed_choking_algorithm", u"(?)"))
 902             , &m_comboBoxSeedChokingAlgorithm);
 903
 904     // Torrent recheck confirmation
 905     m_checkBoxConfirmTorrentRecheck.setChecked(pref->confirmTorrentRecheck());
 906     addRow(CONFIRM_RECHECK_TORRENT, tr("Confirm torrent recheck"), &m_checkBoxConfirmTorrentRecheck);
 907
 908     // Remove all tags confirmation
 909     m_checkBoxConfirmRemoveAllTags.setChecked(pref->confirmRemoveAllTags());
 910     addRow(CONFIRM_REMOVE_ALL_TAGS, tr("Confirm removal of all tags"), &m_checkBoxConfirmRemoveAllTags);
 911
 912     // Remove tracker from all torrents confirmation
 913     m_checkBoxConfirmRemoveTrackerFromAllTorrents.setChecked(pref->confirmRemoveTrackerFromAllTorrents());
 914     addRow(CONFIRM_REMOVE_TRACKER_FROM_ALL_TORRENTS, tr("Confirm removal of tracker from all torrents"), &m_checkBoxConfirmRemoveTrackerFromAllTorrents);
 915
 916     // Announce to all trackers in a tier
 917     m_checkBoxAnnounceAllTrackers.setChecked(session->announceToAllTrackers());
 918     addRow(ANNOUNCE_ALL_TRACKERS, (tr("Always announce to all trackers in a tier")
 919         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_trackers", u"(?)"))
 920         , &m_checkBoxAnnounceAllTrackers);
 921
 922     // Announce to all tiers
 923     m_checkBoxAnnounceAllTiers.setChecked(session->announceToAllTiers());
 924     addRow(ANNOUNCE_ALL_TIERS, (tr("Always announce to all tiers")
 925         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_tiers", u"(?)"))
 926         , &m_checkBoxAnnounceAllTiers);
 927
 928     m_spinBoxPeerTurnover.setMinimum(0);
 929     m_spinBoxPeerTurnover.setMaximum(100);
 930     m_spinBoxPeerTurnover.setValue(session->peerTurnover());
 931     m_spinBoxPeerTurnover.setSuffix(u" %"_s);
 932     addRow(PEER_TURNOVER, (tr("Peer turnover disconnect percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 933             , &m_spinBoxPeerTurnover);
 934     m_spinBoxPeerTurnoverCutoff.setMinimum(0);
 935     m_spinBoxPeerTurnoverCutoff.setMaximum(100);
 936     m_spinBoxPeerTurnoverCutoff.setSuffix(u" %"_s);
 937     m_spinBoxPeerTurnoverCutoff.setValue(session->peerTurnoverCutoff());
 938     addRow(PEER_TURNOVER_CUTOFF, (tr("Peer turnover threshold percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 939             , &m_spinBoxPeerTurnoverCutoff);
 940     m_spinBoxPeerTurnoverInterval.setMinimum(30);
 941     m_spinBoxPeerTurnoverInterval.setMaximum(3600);
 942     m_spinBoxPeerTurnoverInterval.setSuffix(tr(" s", " seconds"));
 943     m_spinBoxPeerTurnoverInterval.setValue(session->peerTurnoverInterval());
 944     addRow(PEER_TURNOVER_INTERVAL, (tr("Peer turnover disconnect interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 945             , &m_spinBoxPeerTurnoverInterval);
 946     // Maximum outstanding requests to a single peer
 947     m_spinBoxRequestQueueSize.setMinimum(1);
 948     m_spinBoxRequestQueueSize.setMaximum(std::numeric_limits<int>::max());
 949     m_spinBoxRequestQueueSize.setValue(session->requestQueueSize());
 950     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"(?)"))
 951             , &m_spinBoxRequestQueueSize);
 952     // DHT bootstrap nodes
 953     m_lineEditDHTBootstrapNodes.setPlaceholderText(tr("Resets to default if empty"));
 954     m_lineEditDHTBootstrapNodes.setText(session->getDHTBootstrapNodes());
 955     addRow(DHT_BOOTSTRAP_NODES, (tr("DHT bootstrap nodes") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#dht_bootstrap_nodes", u"(?)"))
 956         , &m_lineEditDHTBootstrapNodes);
 957 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 958     // I2P session options
 959     m_spinBoxI2PInboundQuantity.setMinimum(1);
 960     m_spinBoxI2PInboundQuantity.setMaximum(16);
 961     m_spinBoxI2PInboundQuantity.setValue(session->I2PInboundQuantity());
 962     addRow(I2P_INBOUND_QUANTITY, (tr("I2P inbound quantity") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_inbound_quantity", u"(?)"))
 963         , &m_spinBoxI2PInboundQuantity);
 964     m_spinBoxI2POutboundQuantity.setMinimum(1);
 965     m_spinBoxI2POutboundQuantity.setMaximum(16);
 966     m_spinBoxI2POutboundQuantity.setValue(session->I2POutboundQuantity());
 967     addRow(I2P_OUTBOUND_QUANTITY, (tr("I2P outbound quantity") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_outbound_quantity", u"(?)"))
 968         , &m_spinBoxI2POutboundQuantity);
 969     m_spinBoxI2PInboundLength.setMinimum(0);
 970     m_spinBoxI2PInboundLength.setMaximum(7);
 971     m_spinBoxI2PInboundLength.setValue(session->I2PInboundLength());
 972     addRow(I2P_INBOUND_LENGTH, (tr("I2P inbound length") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_inbound_length", u"(?)"))
 973         , &m_spinBoxI2PInboundLength);
 974     m_spinBoxI2POutboundLength.setMinimum(0);
 975     m_spinBoxI2POutboundLength.setMaximum(7);
 976     m_spinBoxI2POutboundLength.setValue(session->I2POutboundLength());
 977     addRow(I2P_OUTBOUND_LENGTH, (tr("I2P outbound length") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#i2p_outbound_length", u"(?)"))
 978         , &m_spinBoxI2POutboundLength);
 979 #endif
 980 }
 981
 982 template <typename T>
 983 void AdvancedSettings::addRow(const int row, const QString &text, T *widget)
 984 {
 985     auto *label = new QLabel(text);
 986     label->setOpenExternalLinks(true);
 987     label->setToolTip(widget->toolTip());
 988
 989     setCellWidget(row, PROPERTY, label);
 990     setCellWidget(row, VALUE, widget);
 991
 992     if constexpr (std::is_same_v<T, QCheckBox>)
 993     {
 994 #if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
 995         connect(widget, &QCheckBox::checkStateChanged, this, &AdvancedSettings::settingsChanged);
 996 #else
 997         connect(widget, &QCheckBox::stateChanged, this, &AdvancedSettings::settingsChanged);
 998 #endif
 999     }
1000     else if constexpr (std::is_same_v<T, QSpinBox>)
1001         connect(widget, qOverload<int>(&QSpinBox::valueChanged), this, &AdvancedSettings::settingsChanged);
1002     else if constexpr (std::is_same_v<T, QComboBox>)
1003         connect(widget, qOverload<int>(&QComboBox::currentIndexChanged), this, &AdvancedSettings::settingsChanged);
1004     else if constexpr (std::is_same_v<T, QLineEdit>)
1005         connect(widget, &QLineEdit::textChanged, this, &AdvancedSettings::settingsChanged);
1006 }