src/gui/advancedsettings.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2016 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>"_qs.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 #ifdef QBT_USES_LIBTORRENT2
  67         MEMORY_WORKING_SET_LIMIT,
  68 #endif
  69 #if defined(Q_OS_WIN)
  70         OS_MEMORY_PRIORITY,
  71 #endif
  72         // network interface
  73         NETWORK_IFACE,
  74         //Optional network address
  75         NETWORK_IFACE_ADDRESS,
  76         // behavior
  77         SAVE_RESUME_DATA_INTERVAL,
  78         CONFIRM_RECHECK_TORRENT,
  79         RECHECK_COMPLETED,
  80         // UI related
  81         LIST_REFRESH,
  82         RESOLVE_HOSTS,
  83         RESOLVE_COUNTRIES,
  84         PROGRAM_NOTIFICATIONS,
  85         TORRENT_ADDED_NOTIFICATIONS,
  86 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
  87         NOTIFICATION_TIMEOUT,
  88 #endif
  89         CONFIRM_REMOVE_ALL_TAGS,
  90         REANNOUNCE_WHEN_ADDRESS_CHANGED,
  91         DOWNLOAD_TRACKER_FAVICON,
  92         SAVE_PATH_HISTORY_LENGTH,
  93         ENABLE_SPEED_WIDGET,
  94 #ifndef Q_OS_MACOS
  95         ENABLE_ICONS_IN_MENUS,
  96 #endif
  97         // embedded tracker
  98         TRACKER_STATUS,
  99         TRACKER_PORT,
 100         TRACKER_PORT_FORWARDING,
 101         // libtorrent section
 102         LIBTORRENT_HEADER,
 103         ASYNC_IO_THREADS,
 104 #ifdef QBT_USES_LIBTORRENT2
 105         HASHING_THREADS,
 106 #endif
 107         FILE_POOL_SIZE,
 108         CHECKING_MEM_USAGE,
 109 #ifndef QBT_USES_LIBTORRENT2
 110         // cache
 111         DISK_CACHE,
 112         DISK_CACHE_TTL,
 113 #endif
 114         DISK_QUEUE_SIZE,
 115 #ifdef QBT_USES_LIBTORRENT2
 116         DISK_IO_TYPE,
 117 #endif
 118         DISK_IO_READ_MODE,
 119         DISK_IO_WRITE_MODE,
 120 #ifndef QBT_USES_LIBTORRENT2
 121         COALESCE_RW,
 122 #endif
 123         PIECE_EXTENT_AFFINITY,
 124         SUGGEST_MODE,
 125         SEND_BUF_WATERMARK,
 126         SEND_BUF_LOW_WATERMARK,
 127         SEND_BUF_WATERMARK_FACTOR,
 128         // networking & ports
 129         CONNECTION_SPEED,
 130         SOCKET_BACKLOG_SIZE,
 131         OUTGOING_PORT_MIN,
 132         OUTGOING_PORT_MAX,
 133         UPNP_LEASE_DURATION,
 134         PEER_TOS,
 135         UTP_MIX_MODE,
 136         IDN_SUPPORT,
 137         MULTI_CONNECTIONS_PER_IP,
 138         VALIDATE_HTTPS_TRACKER_CERTIFICATE,
 139         SSRF_MITIGATION,
 140         BLOCK_PEERS_ON_PRIVILEGED_PORTS,
 141         // seeding
 142         CHOKING_ALGORITHM,
 143         SEED_CHOKING_ALGORITHM,
 144         // tracker
 145         ANNOUNCE_ALL_TRACKERS,
 146         ANNOUNCE_ALL_TIERS,
 147         ANNOUNCE_IP,
 148         MAX_CONCURRENT_HTTP_ANNOUNCES,
 149         STOP_TRACKER_TIMEOUT,
 150         PEER_TURNOVER,
 151         PEER_TURNOVER_CUTOFF,
 152         PEER_TURNOVER_INTERVAL,
 153         REQUEST_QUEUE_SIZE,
 154
 155         ROW_COUNT
 156     };
 157 }
 158
 159 AdvancedSettings::AdvancedSettings(IGUIApplication *app, QWidget *parent)
 160     : QTableWidget(parent)
 161     , GUIApplicationComponent(app)
 162 {
 163     // column
 164     setColumnCount(COL_COUNT);
 165     const QStringList header = {tr("Setting"), tr("Value", "Value set for this setting")};
 166     setHorizontalHeaderLabels(header);
 167     // row
 168     setRowCount(ROW_COUNT);
 169     verticalHeader()->setVisible(false);
 170     // etc.
 171     setAlternatingRowColors(true);
 172     setSelectionMode(QAbstractItemView::NoSelection);
 173     setEditTriggers(QAbstractItemView::NoEditTriggers);
 174     // Load settings
 175     loadAdvancedSettings();
 176     resizeColumnToContents(0);
 177     horizontalHeader()->setStretchLastSection(true);
 178 }
 179
 180 void AdvancedSettings::saveAdvancedSettings() const
 181 {
 182     Preferences *const pref = Preferences::instance();
 183     BitTorrent::Session *const session = BitTorrent::Session::instance();
 184
 185     session->setResumeDataStorageType(m_comboBoxResumeDataStorage.currentData().value<BitTorrent::ResumeDataStorageType>());
 186 #ifdef QBT_USES_LIBTORRENT2
 187     // Physical memory (RAM) usage limit
 188     app()->setMemoryWorkingSetLimit(m_spinBoxMemoryWorkingSetLimit.value());
 189 #endif
 190 #if defined(Q_OS_WIN)
 191     app()->setProcessMemoryPriority(m_comboBoxOSMemoryPriority.currentData().value<MemoryPriority>());
 192 #endif
 193     // Async IO threads
 194     session->setAsyncIOThreads(m_spinBoxAsyncIOThreads.value());
 195 #ifdef QBT_USES_LIBTORRENT2
 196     // Hashing threads
 197     session->setHashingThreads(m_spinBoxHashingThreads.value());
 198 #endif
 199     // File pool size
 200     session->setFilePoolSize(m_spinBoxFilePoolSize.value());
 201     // Checking Memory Usage
 202     session->setCheckingMemUsage(m_spinBoxCheckingMemUsage.value());
 203 #ifndef QBT_USES_LIBTORRENT2
 204     // Disk write cache
 205     session->setDiskCacheSize(m_spinBoxCache.value());
 206     session->setDiskCacheTTL(m_spinBoxCacheTTL.value());
 207 #endif
 208     // Disk queue size
 209     session->setDiskQueueSize(m_spinBoxDiskQueueSize.value() * 1024);
 210 #ifdef QBT_USES_LIBTORRENT2
 211     session->setDiskIOType(m_comboBoxDiskIOType.currentData().value<BitTorrent::DiskIOType>());
 212 #endif
 213     // Disk IO read mode
 214     session->setDiskIOReadMode(m_comboBoxDiskIOReadMode.currentData().value<BitTorrent::DiskIOReadMode>());
 215     // Disk IO write mode
 216     session->setDiskIOWriteMode(m_comboBoxDiskIOWriteMode.currentData().value<BitTorrent::DiskIOWriteMode>());
 217 #ifndef QBT_USES_LIBTORRENT2
 218     // Coalesce reads & writes
 219     session->setCoalesceReadWriteEnabled(m_checkBoxCoalesceRW.isChecked());
 220 #endif
 221     // Piece extent affinity
 222     session->setPieceExtentAffinity(m_checkBoxPieceExtentAffinity.isChecked());
 223     // Suggest mode
 224     session->setSuggestMode(m_checkBoxSuggestMode.isChecked());
 225     // Send buffer watermark
 226     session->setSendBufferWatermark(m_spinBoxSendBufferWatermark.value());
 227     session->setSendBufferLowWatermark(m_spinBoxSendBufferLowWatermark.value());
 228     session->setSendBufferWatermarkFactor(m_spinBoxSendBufferWatermarkFactor.value());
 229     // Outgoing connections per second
 230     session->setConnectionSpeed(m_spinBoxConnectionSpeed.value());
 231     // Socket listen backlog size
 232     session->setSocketBacklogSize(m_spinBoxSocketBacklogSize.value());
 233     // Save resume data interval
 234     session->setSaveResumeDataInterval(m_spinBoxSaveResumeDataInterval.value());
 235     // Outgoing ports
 236     session->setOutgoingPortsMin(m_spinBoxOutgoingPortsMin.value());
 237     session->setOutgoingPortsMax(m_spinBoxOutgoingPortsMax.value());
 238     // UPnP lease duration
 239     session->setUPnPLeaseDuration(m_spinBoxUPnPLeaseDuration.value());
 240     // Type of service
 241     session->setPeerToS(m_spinBoxPeerToS.value());
 242     // uTP-TCP mixed mode
 243     session->setUtpMixedMode(m_comboBoxUtpMixedMode.currentData().value<BitTorrent::MixedModeAlgorithm>());
 244     // Support internationalized domain name (IDN)
 245     session->setIDNSupportEnabled(m_checkBoxIDNSupport.isChecked());
 246     // multiple connections per IP
 247     session->setMultiConnectionsPerIpEnabled(m_checkBoxMultiConnectionsPerIp.isChecked());
 248     // Validate HTTPS tracker certificate
 249     session->setValidateHTTPSTrackerCertificate(m_checkBoxValidateHTTPSTrackerCertificate.isChecked());
 250     // SSRF mitigation
 251     session->setSSRFMitigationEnabled(m_checkBoxSSRFMitigation.isChecked());
 252     // Disallow connection to peers on privileged ports
 253     session->setBlockPeersOnPrivilegedPorts(m_checkBoxBlockPeersOnPrivilegedPorts.isChecked());
 254     // Recheck torrents on completion
 255     pref->recheckTorrentsOnCompletion(m_checkBoxRecheckCompleted.isChecked());
 256     // Transfer list refresh interval
 257     session->setRefreshInterval(m_spinBoxListRefresh.value());
 258     // Peer resolution
 259     pref->resolvePeerCountries(m_checkBoxResolveCountries.isChecked());
 260     pref->resolvePeerHostNames(m_checkBoxResolveHosts.isChecked());
 261     // Network interface
 262     session->setNetworkInterface(m_comboBoxInterface.currentData().toString());
 263     session->setNetworkInterfaceName((m_comboBoxInterface.currentIndex() == 0)
 264         ? QString()
 265         : m_comboBoxInterface.currentText());
 266     // Interface address
 267     // Construct a QHostAddress to filter malformed strings
 268     const QHostAddress ifaceAddr {m_comboBoxInterfaceAddress.currentData().toString()};
 269     session->setNetworkInterfaceAddress(ifaceAddr.toString());
 270     // Announce IP
 271     // Construct a QHostAddress to filter malformed strings
 272     const QHostAddress addr(m_lineEditAnnounceIP.text().trimmed());
 273     session->setAnnounceIP(addr.toString());
 274     // Max concurrent HTTP announces
 275     session->setMaxConcurrentHTTPAnnounces(m_spinBoxMaxConcurrentHTTPAnnounces.value());
 276     // Stop tracker timeout
 277     session->setStopTrackerTimeout(m_spinBoxStopTrackerTimeout.value());
 278     // Program notification
 279     app()->desktopIntegration()->setNotificationsEnabled(m_checkBoxProgramNotifications.isChecked());
 280 #ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
 281     app()->desktopIntegration()->setNotificationTimeout(m_spinBoxNotificationTimeout.value());
 282 #endif
 283     app()->setTorrentAddedNotificationsEnabled(m_checkBoxTorrentAddedNotifications.isChecked());
 284     // Reannounce to all trackers when ip/port changed
 285     session->setReannounceWhenAddressChangedEnabled(m_checkBoxReannounceWhenAddressChanged.isChecked());
 286     // Misc GUI properties
 287     app()->mainWindow()->setDownloadTrackerFavicon(m_checkBoxTrackerFavicon.isChecked());
 288     AddNewTorrentDialog::setSavePathHistoryLength(m_spinBoxSavePathHistoryLength.value());
 289     pref->setSpeedWidgetEnabled(m_checkBoxSpeedWidgetEnabled.isChecked());
 290 #ifndef Q_OS_MACOS
 291     pref->setIconsInMenusEnabled(m_checkBoxIconsInMenusEnabled.isChecked());
 292 #endif
 293
 294     // Tracker
 295     pref->setTrackerPort(m_spinBoxTrackerPort.value());
 296     pref->setTrackerPortForwardingEnabled(m_checkBoxTrackerPortForwarding.isChecked());
 297     session->setTrackerEnabled(m_checkBoxTrackerStatus.isChecked());
 298
 299     // Choking algorithm
 300     session->setChokingAlgorithm(m_comboBoxChokingAlgorithm.currentData().value<BitTorrent::ChokingAlgorithm>());
 301     // Seed choking algorithm
 302     session->setSeedChokingAlgorithm(m_comboBoxSeedChokingAlgorithm.currentData().value<BitTorrent::SeedChokingAlgorithm>());
 303
 304     pref->setConfirmTorrentRecheck(m_checkBoxConfirmTorrentRecheck.isChecked());
 305
 306     pref->setConfirmRemoveAllTags(m_checkBoxConfirmRemoveAllTags.isChecked());
 307
 308     session->setAnnounceToAllTrackers(m_checkBoxAnnounceAllTrackers.isChecked());
 309     session->setAnnounceToAllTiers(m_checkBoxAnnounceAllTiers.isChecked());
 310
 311     session->setPeerTurnover(m_spinBoxPeerTurnover.value());
 312     session->setPeerTurnoverCutoff(m_spinBoxPeerTurnoverCutoff.value());
 313     session->setPeerTurnoverInterval(m_spinBoxPeerTurnoverInterval.value());
 314     // Maximum outstanding requests to a single peer
 315     session->setRequestQueueSize(m_spinBoxRequestQueueSize.value());
 316 }
 317
 318 #ifndef QBT_USES_LIBTORRENT2
 319 void AdvancedSettings::updateCacheSpinSuffix(const int value)
 320 {
 321     if (value == 0)
 322         m_spinBoxCache.setSuffix(tr(" (disabled)"));
 323     else if (value < 0)
 324         m_spinBoxCache.setSuffix(tr(" (auto)"));
 325     else
 326         m_spinBoxCache.setSuffix(tr(" MiB"));
 327 }
 328 #endif
 329
 330 void AdvancedSettings::updateSaveResumeDataIntervalSuffix(const int value)
 331 {
 332     if (value > 0)
 333         m_spinBoxSaveResumeDataInterval.setSuffix(tr(" min", " minutes"));
 334     else
 335         m_spinBoxSaveResumeDataInterval.setSuffix(tr(" (disabled)"));
 336 }
 337
 338 void AdvancedSettings::updateInterfaceAddressCombo()
 339 {
 340     const auto toString = [](const QHostAddress &address) -> QString
 341     {
 342         switch (address.protocol()) {
 343         case QAbstractSocket::IPv4Protocol:
 344             return address.toString();
 345         case QAbstractSocket::IPv6Protocol:
 346             return Utils::Net::canonicalIPv6Addr(address).toString();
 347         default:
 348             Q_ASSERT(false);
 349             break;
 350         }
 351         return {};
 352     };
 353
 354     // Clear all items and reinsert them
 355     m_comboBoxInterfaceAddress.clear();
 356     m_comboBoxInterfaceAddress.addItem(tr("All addresses"), QString());
 357     m_comboBoxInterfaceAddress.addItem(tr("All IPv4 addresses"), QHostAddress(QHostAddress::AnyIPv4).toString());
 358     m_comboBoxInterfaceAddress.addItem(tr("All IPv6 addresses"), QHostAddress(QHostAddress::AnyIPv6).toString());
 359
 360     const QString currentIface = m_comboBoxInterface.currentData().toString();
 361     if (currentIface.isEmpty())  // `any` interface
 362     {
 363         for (const QHostAddress &address : asConst(QNetworkInterface::allAddresses()))
 364         {
 365             const QString addressString = toString(address);
 366             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 367         }
 368     }
 369     else
 370     {
 371         const QList<QNetworkAddressEntry> addresses = QNetworkInterface::interfaceFromName(currentIface).addressEntries();
 372         for (const QNetworkAddressEntry &entry : addresses)
 373         {
 374             const QString addressString = toString(entry.ip());
 375             m_comboBoxInterfaceAddress.addItem(addressString, addressString);
 376         }
 377     }
 378
 379     const QString currentAddress = BitTorrent::Session::instance()->networkInterfaceAddress();
 380     const int index = m_comboBoxInterfaceAddress.findData(currentAddress);
 381     if (index > -1)
 382     {
 383         m_comboBoxInterfaceAddress.setCurrentIndex(index);
 384     }
 385     else
 386     {
 387         // not found, for the sake of UI consistency, add such entry
 388         m_comboBoxInterfaceAddress.addItem(currentAddress, currentAddress);
 389         m_comboBoxInterfaceAddress.setCurrentIndex(m_comboBoxInterfaceAddress.count() - 1);
 390     }
 391 }
 392
 393 void AdvancedSettings::loadAdvancedSettings()
 394 {
 395     const Preferences *const pref = Preferences::instance();
 396     const BitTorrent::Session *const session = BitTorrent::Session::instance();
 397
 398     // add section headers
 399     auto *labelQbtLink = new QLabel(
 400         makeLink(u"https://github.com/qbittorrent/qBittorrent/wiki/Explanation-of-Options-in-qBittorrent#Advanced"
 401                  , tr("Open documentation"))
 402         , this);
 403     labelQbtLink->setOpenExternalLinks(true);
 404     addRow(QBITTORRENT_HEADER, u"<b>%1</b>"_qs.arg(tr("qBittorrent Section")), labelQbtLink);
 405     static_cast<QLabel *>(cellWidget(QBITTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 406
 407     auto *labelLibtorrentLink = new QLabel(
 408         makeLink(u"https://www.libtorrent.org/reference-Settings.html"
 409                  , tr("Open documentation"))
 410         , this);
 411     labelLibtorrentLink->setOpenExternalLinks(true);
 412     addRow(LIBTORRENT_HEADER, u"<b>%1</b>"_qs.arg(tr("libtorrent Section")), labelLibtorrentLink);
 413     static_cast<QLabel *>(cellWidget(LIBTORRENT_HEADER, PROPERTY))->setAlignment(Qt::AlignCenter | Qt::AlignVCenter);
 414
 415     m_comboBoxResumeDataStorage.addItem(tr("Fastresume files"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::Legacy));
 416     m_comboBoxResumeDataStorage.addItem(tr("SQLite database (experimental)"), QVariant::fromValue(BitTorrent::ResumeDataStorageType::SQLite));
 417     m_comboBoxResumeDataStorage.setCurrentIndex(m_comboBoxResumeDataStorage.findData(QVariant::fromValue(session->resumeDataStorageType())));
 418     addRow(RESUME_DATA_STORAGE, tr("Resume data storage type (requires restart)"), &m_comboBoxResumeDataStorage);
 419
 420 #ifdef QBT_USES_LIBTORRENT2
 421     // Physical memory (RAM) usage limit
 422     m_spinBoxMemoryWorkingSetLimit.setMinimum(1);
 423     m_spinBoxMemoryWorkingSetLimit.setMaximum(std::numeric_limits<int>::max());
 424     m_spinBoxMemoryWorkingSetLimit.setSuffix(tr(" MiB"));
 425     m_spinBoxMemoryWorkingSetLimit.setToolTip(tr("This option is less effective on Linux"));
 426     m_spinBoxMemoryWorkingSetLimit.setValue(app()->memoryWorkingSetLimit());
 427     addRow(MEMORY_WORKING_SET_LIMIT, (tr("Physical memory (RAM) usage limit") + u' ' + makeLink(u"https://wikipedia.org/wiki/Working_set", u"(?)"))
 428         , &m_spinBoxMemoryWorkingSetLimit);
 429 #endif
 430 #if defined(Q_OS_WIN)
 431     m_comboBoxOSMemoryPriority.addItem(tr("Normal"), QVariant::fromValue(MemoryPriority::Normal));
 432     m_comboBoxOSMemoryPriority.addItem(tr("Below normal"), QVariant::fromValue(MemoryPriority::BelowNormal));
 433     m_comboBoxOSMemoryPriority.addItem(tr("Medium"), QVariant::fromValue(MemoryPriority::Medium));
 434     m_comboBoxOSMemoryPriority.addItem(tr("Low"), QVariant::fromValue(MemoryPriority::Low));
 435     m_comboBoxOSMemoryPriority.addItem(tr("Very low"), QVariant::fromValue(MemoryPriority::VeryLow));
 436     m_comboBoxOSMemoryPriority.setCurrentIndex(m_comboBoxOSMemoryPriority.findData(QVariant::fromValue(app()->processMemoryPriority())));
 437     addRow(OS_MEMORY_PRIORITY, (tr("Process memory priority (Windows >= 8 only)")
 438         + u' ' + makeLink(u"https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/ns-processthreadsapi-memory_priority_information", u"(?)"))
 439         , &m_comboBoxOSMemoryPriority);
 440 #endif
 441     // Async IO threads
 442     m_spinBoxAsyncIOThreads.setMinimum(1);
 443     m_spinBoxAsyncIOThreads.setMaximum(1024);
 444     m_spinBoxAsyncIOThreads.setValue(session->asyncIOThreads());
 445     addRow(ASYNC_IO_THREADS, (tr("Asynchronous I/O threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#aio_threads", u"(?)"))
 446             , &m_spinBoxAsyncIOThreads);
 447
 448 #ifdef QBT_USES_LIBTORRENT2
 449     // Hashing threads
 450     m_spinBoxHashingThreads.setMinimum(1);
 451     m_spinBoxHashingThreads.setMaximum(1024);
 452     m_spinBoxHashingThreads.setValue(session->hashingThreads());
 453     addRow(HASHING_THREADS, (tr("Hashing threads") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#hashing_threads", u"(?)"))
 454             , &m_spinBoxHashingThreads);
 455 #endif
 456
 457     // File pool size
 458     m_spinBoxFilePoolSize.setMinimum(1);
 459     m_spinBoxFilePoolSize.setMaximum(std::numeric_limits<int>::max());
 460     m_spinBoxFilePoolSize.setValue(session->filePoolSize());
 461     addRow(FILE_POOL_SIZE, (tr("File pool size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#file_pool_size", u"(?)"))
 462         , &m_spinBoxFilePoolSize);
 463
 464     // Checking Memory Usage
 465     m_spinBoxCheckingMemUsage.setMinimum(1);
 466     // When build as 32bit binary, set the maximum value lower to prevent crashes.
 467 #ifdef QBT_APP_64BIT
 468     m_spinBoxCheckingMemUsage.setMaximum(1024);
 469 #else
 470     // Allocate at most 128MiB out of the remaining 512MiB (see the cache part below)
 471     m_spinBoxCheckingMemUsage.setMaximum(128);
 472 #endif
 473     m_spinBoxCheckingMemUsage.setValue(session->checkingMemUsage());
 474     m_spinBoxCheckingMemUsage.setSuffix(tr(" MiB"));
 475     addRow(CHECKING_MEM_USAGE, (tr("Outstanding memory when checking torrents") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#checking_mem_usage", u"(?)"))
 476             , &m_spinBoxCheckingMemUsage);
 477 #ifndef QBT_USES_LIBTORRENT2
 478     // Disk write cache
 479     m_spinBoxCache.setMinimum(-1);
 480     // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
 481 #ifdef QBT_APP_64BIT
 482     m_spinBoxCache.setMaximum(33554431);  // 32768GiB
 483 #else
 484     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
 485     m_spinBoxCache.setMaximum(1536);
 486 #endif
 487     m_spinBoxCache.setValue(session->diskCacheSize());
 488     updateCacheSpinSuffix(m_spinBoxCache.value());
 489     connect(&m_spinBoxCache, qOverload<int>(&QSpinBox::valueChanged)
 490             , this, &AdvancedSettings::updateCacheSpinSuffix);
 491     addRow(DISK_CACHE, (tr("Disk cache") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_size", u"(?)"))
 492             , &m_spinBoxCache);
 493     // Disk cache expiry
 494     m_spinBoxCacheTTL.setMinimum(1);
 495     m_spinBoxCacheTTL.setMaximum(std::numeric_limits<int>::max());
 496     m_spinBoxCacheTTL.setValue(session->diskCacheTTL());
 497     m_spinBoxCacheTTL.setSuffix(tr(" s", " seconds"));
 498     addRow(DISK_CACHE_TTL, (tr("Disk cache expiry interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#cache_expiry", u"(?)"))
 499             , &m_spinBoxCacheTTL);
 500 #endif
 501     // Disk queue size
 502     m_spinBoxDiskQueueSize.setMinimum(1);
 503     m_spinBoxDiskQueueSize.setMaximum(std::numeric_limits<int>::max());
 504     m_spinBoxDiskQueueSize.setValue(session->diskQueueSize() / 1024);
 505     m_spinBoxDiskQueueSize.setSuffix(tr(" KiB"));
 506     addRow(DISK_QUEUE_SIZE, (tr("Disk queue size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#max_queued_disk_bytes", u"(?)"))
 507             , &m_spinBoxDiskQueueSize);
 508 #ifdef QBT_USES_LIBTORRENT2
 509     // Disk IO type
 510     m_comboBoxDiskIOType.addItem(tr("Default"), QVariant::fromValue(BitTorrent::DiskIOType::Default));
 511     m_comboBoxDiskIOType.addItem(tr("Memory mapped files"), QVariant::fromValue(BitTorrent::DiskIOType::MMap));
 512     m_comboBoxDiskIOType.addItem(tr("POSIX-compliant"), QVariant::fromValue(BitTorrent::DiskIOType::Posix));
 513     m_comboBoxDiskIOType.setCurrentIndex(m_comboBoxDiskIOType.findData(QVariant::fromValue(session->diskIOType())));
 514     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"(?)")
 515            , &m_comboBoxDiskIOType);
 516 #endif
 517     // Disk IO read mode
 518     m_comboBoxDiskIOReadMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::DisableOSCache));
 519     m_comboBoxDiskIOReadMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOReadMode::EnableOSCache));
 520     m_comboBoxDiskIOReadMode.setCurrentIndex(m_comboBoxDiskIOReadMode.findData(QVariant::fromValue(session->diskIOReadMode())));
 521     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"(?)"))
 522             , &m_comboBoxDiskIOReadMode);
 523     // Disk IO write mode
 524     m_comboBoxDiskIOWriteMode.addItem(tr("Disable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::DisableOSCache));
 525     m_comboBoxDiskIOWriteMode.addItem(tr("Enable OS cache"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::EnableOSCache));
 526 #ifdef QBT_USES_LIBTORRENT2
 527     m_comboBoxDiskIOWriteMode.addItem(tr("Write-through"), QVariant::fromValue(BitTorrent::DiskIOWriteMode::WriteThrough));
 528 #endif
 529     m_comboBoxDiskIOWriteMode.setCurrentIndex(m_comboBoxDiskIOWriteMode.findData(QVariant::fromValue(session->diskIOWriteMode())));
 530     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"(?)"))
 531             , &m_comboBoxDiskIOWriteMode);
 532 #ifndef QBT_USES_LIBTORRENT2
 533     // Coalesce reads & writes
 534     m_checkBoxCoalesceRW.setChecked(session->isCoalesceReadWriteEnabled());
 535     addRow(COALESCE_RW, (tr("Coalesce reads & writes") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#coalesce_reads", u"(?)"))
 536             , &m_checkBoxCoalesceRW);
 537 #endif
 538     // Piece extent affinity
 539     m_checkBoxPieceExtentAffinity.setChecked(session->usePieceExtentAffinity());
 540     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);
 541     // Suggest mode
 542     m_checkBoxSuggestMode.setChecked(session->isSuggestModeEnabled());
 543     addRow(SUGGEST_MODE, (tr("Send upload piece suggestions") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#suggest_mode", u"(?)"))
 544             , &m_checkBoxSuggestMode);
 545     // Send buffer watermark
 546     m_spinBoxSendBufferWatermark.setMinimum(1);
 547     m_spinBoxSendBufferWatermark.setMaximum(std::numeric_limits<int>::max());
 548     m_spinBoxSendBufferWatermark.setSuffix(tr(" KiB"));
 549     m_spinBoxSendBufferWatermark.setValue(session->sendBufferWatermark());
 550     addRow(SEND_BUF_WATERMARK, (tr("Send buffer watermark") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#send_buffer_watermark", u"(?)"))
 551             , &m_spinBoxSendBufferWatermark);
 552     m_spinBoxSendBufferLowWatermark.setMinimum(1);
 553     m_spinBoxSendBufferLowWatermark.setMaximum(std::numeric_limits<int>::max());
 554     m_spinBoxSendBufferLowWatermark.setSuffix(tr(" KiB"));
 555     m_spinBoxSendBufferLowWatermark.setValue(session->sendBufferLowWatermark());
 556     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"(?)"))
 557             , &m_spinBoxSendBufferLowWatermark);
 558     m_spinBoxSendBufferWatermarkFactor.setMinimum(1);
 559     m_spinBoxSendBufferWatermarkFactor.setMaximum(std::numeric_limits<int>::max());
 560     m_spinBoxSendBufferWatermarkFactor.setSuffix(u" %"_qs);
 561     m_spinBoxSendBufferWatermarkFactor.setValue(session->sendBufferWatermarkFactor());
 562     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"(?)"))
 563             , &m_spinBoxSendBufferWatermarkFactor);
 564     // Outgoing connections per second
 565     m_spinBoxConnectionSpeed.setMinimum(0);
 566     m_spinBoxConnectionSpeed.setMaximum(std::numeric_limits<int>::max());
 567     m_spinBoxConnectionSpeed.setValue(session->connectionSpeed());
 568     addRow(CONNECTION_SPEED, (tr("Outgoing connections per second") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#connection_speed", u"(?)"))
 569             , &m_spinBoxConnectionSpeed);
 570     // Socket listen backlog size
 571     m_spinBoxSocketBacklogSize.setMinimum(1);
 572     m_spinBoxSocketBacklogSize.setMaximum(std::numeric_limits<int>::max());
 573     m_spinBoxSocketBacklogSize.setValue(session->socketBacklogSize());
 574     addRow(SOCKET_BACKLOG_SIZE, (tr("Socket backlog size") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#listen_queue_size", u"(?)"))
 575             , &m_spinBoxSocketBacklogSize);
 576     // Save resume data interval
 577     m_spinBoxSaveResumeDataInterval.setMinimum(0);
 578     m_spinBoxSaveResumeDataInterval.setMaximum(std::numeric_limits<int>::max());
 579     m_spinBoxSaveResumeDataInterval.setValue(session->saveResumeDataInterval());
 580     connect(&m_spinBoxSaveResumeDataInterval, qOverload<int>(&QSpinBox::valueChanged)
 581         , this, &AdvancedSettings::updateSaveResumeDataIntervalSuffix);
 582     updateSaveResumeDataIntervalSuffix(m_spinBoxSaveResumeDataInterval.value());
 583     addRow(SAVE_RESUME_DATA_INTERVAL, tr("Save resume data interval", "How often the fastresume file is saved."), &m_spinBoxSaveResumeDataInterval);
 584     // Outgoing port Min
 585     m_spinBoxOutgoingPortsMin.setMinimum(0);
 586     m_spinBoxOutgoingPortsMin.setMaximum(65535);
 587     m_spinBoxOutgoingPortsMin.setValue(session->outgoingPortsMin());
 588     addRow(OUTGOING_PORT_MIN, (tr("Outgoing ports (Min) [0: Disabled]")
 589         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 590         , &m_spinBoxOutgoingPortsMin);
 591     // Outgoing port Min
 592     m_spinBoxOutgoingPortsMax.setMinimum(0);
 593     m_spinBoxOutgoingPortsMax.setMaximum(65535);
 594     m_spinBoxOutgoingPortsMax.setValue(session->outgoingPortsMax());
 595     addRow(OUTGOING_PORT_MAX, (tr("Outgoing ports (Max) [0: Disabled]")
 596         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#outgoing_port", u"(?)"))
 597         , &m_spinBoxOutgoingPortsMax);
 598     // UPnP lease duration
 599     m_spinBoxUPnPLeaseDuration.setMinimum(0);
 600     m_spinBoxUPnPLeaseDuration.setMaximum(std::numeric_limits<int>::max());
 601     m_spinBoxUPnPLeaseDuration.setValue(session->UPnPLeaseDuration());
 602     m_spinBoxUPnPLeaseDuration.setSuffix(tr(" s", " seconds"));
 603     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"(?)"))
 604         , &m_spinBoxUPnPLeaseDuration);
 605     // Type of service
 606     m_spinBoxPeerToS.setMinimum(0);
 607     m_spinBoxPeerToS.setMaximum(255);
 608     m_spinBoxPeerToS.setValue(session->peerToS());
 609     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"(?)"))
 610         , &m_spinBoxPeerToS);
 611     // uTP-TCP mixed mode
 612     m_comboBoxUtpMixedMode.addItem(tr("Prefer TCP"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::TCP));
 613     m_comboBoxUtpMixedMode.addItem(tr("Peer proportional (throttles TCP)"), QVariant::fromValue(BitTorrent::MixedModeAlgorithm::Proportional));
 614     m_comboBoxUtpMixedMode.setCurrentIndex(m_comboBoxUtpMixedMode.findData(QVariant::fromValue(session->utpMixedMode())));
 615     addRow(UTP_MIX_MODE, (tr("%1-TCP mixed mode algorithm", "uTP-TCP mixed mode algorithm").arg(C_UTP)
 616             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#mixed_mode_algorithm", u"(?)"))
 617             , &m_comboBoxUtpMixedMode);
 618     // Support internationalized domain name (IDN)
 619     m_checkBoxIDNSupport.setChecked(session->isIDNSupportEnabled());
 620     addRow(IDN_SUPPORT, (tr("Support internationalized domain name (IDN)")
 621             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_idna", u"(?)"))
 622             , &m_checkBoxIDNSupport);
 623     // multiple connections per IP
 624     m_checkBoxMultiConnectionsPerIp.setChecked(session->multiConnectionsPerIpEnabled());
 625     addRow(MULTI_CONNECTIONS_PER_IP, (tr("Allow multiple connections from the same IP address")
 626             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#allow_multiple_connections_per_ip", u"(?)"))
 627             , &m_checkBoxMultiConnectionsPerIp);
 628     // Validate HTTPS tracker certificate
 629     m_checkBoxValidateHTTPSTrackerCertificate.setChecked(session->validateHTTPSTrackerCertificate());
 630     addRow(VALIDATE_HTTPS_TRACKER_CERTIFICATE, (tr("Validate HTTPS tracker certificates")
 631             + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#validate_https_trackers", u"(?)"))
 632             , &m_checkBoxValidateHTTPSTrackerCertificate);
 633     // SSRF mitigation
 634     m_checkBoxSSRFMitigation.setChecked(session->isSSRFMitigationEnabled());
 635     addRow(SSRF_MITIGATION, (tr("Server-side request forgery (SSRF) mitigation")
 636         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#ssrf_mitigation", u"(?)"))
 637         , &m_checkBoxSSRFMitigation);
 638     // Disallow connection to peers on privileged ports
 639     m_checkBoxBlockPeersOnPrivilegedPorts.setChecked(session->blockPeersOnPrivilegedPorts());
 640     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);
 641     // Recheck completed torrents
 642     m_checkBoxRecheckCompleted.setChecked(pref->recheckTorrentsOnCompletion());
 643     addRow(RECHECK_COMPLETED, tr("Recheck torrents on completion"), &m_checkBoxRecheckCompleted);
 644     // Refresh interval
 645     m_spinBoxListRefresh.setMinimum(30);
 646     m_spinBoxListRefresh.setMaximum(99999);
 647     m_spinBoxListRefresh.setValue(session->refreshInterval());
 648     m_spinBoxListRefresh.setSuffix(tr(" ms", " milliseconds"));
 649     m_spinBoxListRefresh.setToolTip(tr("It controls the internal state update interval which in turn will affect UI updates"));
 650     addRow(LIST_REFRESH, tr("Refresh interval"), &m_spinBoxListRefresh);
 651     // Resolve Peer countries
 652     m_checkBoxResolveCountries.setChecked(pref->resolvePeerCountries());
 653     addRow(RESOLVE_COUNTRIES, tr("Resolve peer countries"), &m_checkBoxResolveCountries);
 654     // Resolve peer hosts
 655     m_checkBoxResolveHosts.setChecked(pref->resolvePeerHostNames());
 656     addRow(RESOLVE_HOSTS, tr("Resolve peer host names"), &m_checkBoxResolveHosts);
 657     // Network interface
 658     m_comboBoxInterface.addItem(tr("Any interface", "i.e. Any network interface"), QString());
 659     for (const QNetworkInterface &iface : asConst(QNetworkInterface::allInterfaces()))
 660         m_comboBoxInterface.addItem(iface.humanReadableName(), iface.name());
 661
 662     const QString currentInterface = session->networkInterface();
 663     const int ifaceIndex = m_comboBoxInterface.findData(currentInterface);
 664     if (ifaceIndex > -1)
 665     {
 666         m_comboBoxInterface.setCurrentIndex(ifaceIndex);
 667     }
 668     else
 669     {
 670         // Saved interface does not exist, show it
 671         m_comboBoxInterface.addItem(session->networkInterfaceName(), currentInterface);
 672         m_comboBoxInterface.setCurrentIndex(m_comboBoxInterface.count() - 1);
 673     }
 674
 675     connect(&m_comboBoxInterface, qOverload<int>(&QComboBox::currentIndexChanged)
 676         , this, &AdvancedSettings::updateInterfaceAddressCombo);
 677     addRow(NETWORK_IFACE, tr("Network interface"), &m_comboBoxInterface);
 678     // Network interface address
 679     updateInterfaceAddressCombo();
 680     addRow(NETWORK_IFACE_ADDRESS, tr("Optional IP address to bind to"), &m_comboBoxInterfaceAddress);
 681     // Announce IP
 682     m_lineEditAnnounceIP.setText(session->announceIP());
 683     addRow(ANNOUNCE_IP, (tr("IP address reported to trackers (requires restart)")
 684         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_ip", u"(?)"))
 685         , &m_lineEditAnnounceIP);
 686     // Max concurrent HTTP announces
 687     m_spinBoxMaxConcurrentHTTPAnnounces.setMaximum(std::numeric_limits<int>::max());
 688     m_spinBoxMaxConcurrentHTTPAnnounces.setValue(session->maxConcurrentHTTPAnnounces());
 689     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"(?)"))
 690            , &m_spinBoxMaxConcurrentHTTPAnnounces);
 691     // Stop tracker timeout
 692     m_spinBoxStopTrackerTimeout.setValue(session->stopTrackerTimeout());
 693     m_spinBoxStopTrackerTimeout.setSuffix(tr(" s", " seconds"));
 694     addRow(STOP_TRACKER_TIMEOUT, (tr("Stop tracker timeout") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#stop_tracker_timeout", u"(?)"))
 695            , &m_spinBoxStopTrackerTimeout);
 696
 697     // Program notifications
 698     m_checkBoxProgramNotifications.setChecked(app()->desktopIntegration()->isNotificationsEnabled());
 699     addRow(PROGRAM_NOTIFICATIONS, tr("Display notifications"), &m_checkBoxProgramNotifications);
 700     // Torrent added notifications
 701     m_checkBoxTorrentAddedNotifications.setChecked(app()->isTorrentAddedNotificationsEnabled());
 702     addRow(TORRENT_ADDED_NOTIFICATIONS, tr("Display notifications for added torrents"), &m_checkBoxTorrentAddedNotifications);
 703 #ifdef QBT_USES_CUSTOMDBUSNOTIFICATIONS
 704     // Notification timeout
 705     m_spinBoxNotificationTimeout.setMinimum(-1);
 706     m_spinBoxNotificationTimeout.setMaximum(std::numeric_limits<int>::max());
 707     m_spinBoxNotificationTimeout.setValue(app()->desktopIntegration()->notificationTimeout());
 708     m_spinBoxNotificationTimeout.setSpecialValueText(tr("System default"));
 709     m_spinBoxNotificationTimeout.setSuffix(tr(" ms", " milliseconds"));
 710     addRow(NOTIFICATION_TIMEOUT, tr("Notification timeout [0: infinite]"), &m_spinBoxNotificationTimeout);
 711 #endif
 712     // Reannounce to all trackers when ip/port changed
 713     m_checkBoxReannounceWhenAddressChanged.setChecked(session->isReannounceWhenAddressChangedEnabled());
 714     addRow(REANNOUNCE_WHEN_ADDRESS_CHANGED, tr("Reannounce to all trackers when IP or port changed"), &m_checkBoxReannounceWhenAddressChanged);
 715     // Download tracker's favicon
 716     m_checkBoxTrackerFavicon.setChecked(app()->mainWindow()->isDownloadTrackerFavicon());
 717     addRow(DOWNLOAD_TRACKER_FAVICON, tr("Download tracker's favicon"), &m_checkBoxTrackerFavicon);
 718     // Save path history length
 719     m_spinBoxSavePathHistoryLength.setRange(AddNewTorrentDialog::minPathHistoryLength, AddNewTorrentDialog::maxPathHistoryLength);
 720     m_spinBoxSavePathHistoryLength.setValue(AddNewTorrentDialog::savePathHistoryLength());
 721     addRow(SAVE_PATH_HISTORY_LENGTH, tr("Save path history length"), &m_spinBoxSavePathHistoryLength);
 722     // Enable speed graphs
 723     m_checkBoxSpeedWidgetEnabled.setChecked(pref->isSpeedWidgetEnabled());
 724     addRow(ENABLE_SPEED_WIDGET, tr("Enable speed graphs"), &m_checkBoxSpeedWidgetEnabled);
 725 #ifndef Q_OS_MACOS
 726     // Enable icons in menus
 727     m_checkBoxIconsInMenusEnabled.setChecked(pref->iconsInMenusEnabled());
 728     addRow(ENABLE_ICONS_IN_MENUS, tr("Enable icons in menus"), &m_checkBoxIconsInMenusEnabled);
 729 #endif
 730     // Tracker State
 731     m_checkBoxTrackerStatus.setChecked(session->isTrackerEnabled());
 732     addRow(TRACKER_STATUS, tr("Enable embedded tracker"), &m_checkBoxTrackerStatus);
 733     // Tracker port
 734     m_spinBoxTrackerPort.setMinimum(1);
 735     m_spinBoxTrackerPort.setMaximum(65535);
 736     m_spinBoxTrackerPort.setValue(pref->getTrackerPort());
 737     addRow(TRACKER_PORT, tr("Embedded tracker port"), &m_spinBoxTrackerPort);
 738     // Tracker port forwarding
 739     m_checkBoxTrackerPortForwarding.setChecked(pref->isTrackerPortForwardingEnabled());
 740     addRow(TRACKER_PORT_FORWARDING, tr("Enable port forwarding for embedded tracker"), &m_checkBoxTrackerPortForwarding);
 741     // Choking algorithm
 742     m_comboBoxChokingAlgorithm.addItem(tr("Fixed slots"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::FixedSlots));
 743     m_comboBoxChokingAlgorithm.addItem(tr("Upload rate based"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::RateBased));
 744     m_comboBoxChokingAlgorithm.setCurrentIndex(m_comboBoxChokingAlgorithm.findData(QVariant::fromValue(session->chokingAlgorithm())));
 745     addRow(CHOKING_ALGORITHM, (tr("Upload slots behavior") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#choking_algorithm", u"(?)"))
 746             , &m_comboBoxChokingAlgorithm);
 747     // Seed choking algorithm
 748     m_comboBoxSeedChokingAlgorithm.addItem(tr("Round-robin"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::RoundRobin));
 749     m_comboBoxSeedChokingAlgorithm.addItem(tr("Fastest upload"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::FastestUpload));
 750     m_comboBoxSeedChokingAlgorithm.addItem(tr("Anti-leech"), QVariant::fromValue(BitTorrent::SeedChokingAlgorithm::AntiLeech));
 751     m_comboBoxSeedChokingAlgorithm.setCurrentIndex(m_comboBoxSeedChokingAlgorithm.findData(QVariant::fromValue(session->seedChokingAlgorithm())));
 752     addRow(SEED_CHOKING_ALGORITHM, (tr("Upload choking algorithm") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#seed_choking_algorithm", u"(?)"))
 753             , &m_comboBoxSeedChokingAlgorithm);
 754
 755     // Torrent recheck confirmation
 756     m_checkBoxConfirmTorrentRecheck.setChecked(pref->confirmTorrentRecheck());
 757     addRow(CONFIRM_RECHECK_TORRENT, tr("Confirm torrent recheck"), &m_checkBoxConfirmTorrentRecheck);
 758
 759     // Remove all tags confirmation
 760     m_checkBoxConfirmRemoveAllTags.setChecked(pref->confirmRemoveAllTags());
 761     addRow(CONFIRM_REMOVE_ALL_TAGS, tr("Confirm removal of all tags"), &m_checkBoxConfirmRemoveAllTags);
 762
 763     // Announce to all trackers in a tier
 764     m_checkBoxAnnounceAllTrackers.setChecked(session->announceToAllTrackers());
 765     addRow(ANNOUNCE_ALL_TRACKERS, (tr("Always announce to all trackers in a tier")
 766         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_trackers", u"(?)"))
 767         , &m_checkBoxAnnounceAllTrackers);
 768
 769     // Announce to all tiers
 770     m_checkBoxAnnounceAllTiers.setChecked(session->announceToAllTiers());
 771     addRow(ANNOUNCE_ALL_TIERS, (tr("Always announce to all tiers")
 772         + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#announce_to_all_tiers", u"(?)"))
 773         , &m_checkBoxAnnounceAllTiers);
 774
 775     m_spinBoxPeerTurnover.setMinimum(0);
 776     m_spinBoxPeerTurnover.setMaximum(100);
 777     m_spinBoxPeerTurnover.setValue(session->peerTurnover());
 778     m_spinBoxPeerTurnover.setSuffix(u" %"_qs);
 779     addRow(PEER_TURNOVER, (tr("Peer turnover disconnect percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 780             , &m_spinBoxPeerTurnover);
 781     m_spinBoxPeerTurnoverCutoff.setMinimum(0);
 782     m_spinBoxPeerTurnoverCutoff.setMaximum(100);
 783     m_spinBoxPeerTurnoverCutoff.setSuffix(u" %"_qs);
 784     m_spinBoxPeerTurnoverCutoff.setValue(session->peerTurnoverCutoff());
 785     addRow(PEER_TURNOVER_CUTOFF, (tr("Peer turnover threshold percentage") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 786             , &m_spinBoxPeerTurnoverCutoff);
 787     m_spinBoxPeerTurnoverInterval.setMinimum(30);
 788     m_spinBoxPeerTurnoverInterval.setMaximum(3600);
 789     m_spinBoxPeerTurnoverInterval.setSuffix(tr(" s", " seconds"));
 790     m_spinBoxPeerTurnoverInterval.setValue(session->peerTurnoverInterval());
 791     addRow(PEER_TURNOVER_INTERVAL, (tr("Peer turnover disconnect interval") + u' ' + makeLink(u"https://www.libtorrent.org/reference-Settings.html#peer_turnover", u"(?)"))
 792             , &m_spinBoxPeerTurnoverInterval);
 793     // Maximum outstanding requests to a single peer
 794     m_spinBoxRequestQueueSize.setMinimum(1);
 795     m_spinBoxRequestQueueSize.setMaximum(std::numeric_limits<int>::max());
 796     m_spinBoxRequestQueueSize.setValue(session->requestQueueSize());
 797     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"(?)"))
 798             , &m_spinBoxRequestQueueSize);
 799 }
 800
 801 template <typename T>
 802 void AdvancedSettings::addRow(const int row, const QString &text, T *widget)
 803 {
 804     auto label = new QLabel(text);
 805     label->setOpenExternalLinks(true);
 806
 807     setCellWidget(row, PROPERTY, label);
 808     setCellWidget(row, VALUE, widget);
 809
 810     if constexpr (std::is_same_v<T, QCheckBox>)
 811         connect(widget, &QCheckBox::stateChanged, this, &AdvancedSettings::settingsChanged);
 812     else if constexpr (std::is_same_v<T, QSpinBox>)
 813         connect(widget, qOverload<int>(&QSpinBox::valueChanged), this, &AdvancedSettings::settingsChanged);
 814     else if constexpr (std::is_same_v<T, QComboBox>)
 815         connect(widget, qOverload<int>(&QComboBox::currentIndexChanged), this, &AdvancedSettings::settingsChanged);
 816     else if constexpr (std::is_same_v<T, QLineEdit>)
 817         connect(widget, &QLineEdit::textChanged, this, &AdvancedSettings::settingsChanged);
 818 }