src/gui/optionsdialog.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2023-2024  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2024  Jonathan Ketchker
   5  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  20  *
  21  * In addition, as a special exception, the copyright holders give permission to
  22  * link this program with the OpenSSL project's "OpenSSL" library (or with
  23  * modified versions of it that use the same license as the "OpenSSL" library),
  24  * and distribute the linked executables. You must obey the GNU General Public
  25  * License in all respects for all of the code used other than "OpenSSL".  If you
  26  * modify file(s), you may extend this exception to your version of the file(s),
  27  * but you are not obligated to do so. If you do not wish to do so, delete this
  28  * exception statement from your version.
  29  */
  30
  31 #include "optionsdialog.h"
  32
  33 #include <chrono>
  34 #include <cstdlib>
  35 #include <limits>
  36
  37 #include <QApplication>
  38 #include <QDebug>
  39 #include <QDesktopServices>
  40 #include <QDialogButtonBox>
  41 #include <QEvent>
  42 #include <QFileDialog>
  43 #include <QMessageBox>
  44 #include <QSystemTrayIcon>
  45 #include <QTranslator>
  46
  47 #include "base/bittorrent/session.h"
  48 #include "base/bittorrent/sharelimitaction.h"
  49 #include "base/exceptions.h"
  50 #include "base/global.h"
  51 #include "base/net/portforwarder.h"
  52 #include "base/net/proxyconfigurationmanager.h"
  53 #include "base/path.h"
  54 #include "base/preferences.h"
  55 #include "base/rss/rss_autodownloader.h"
  56 #include "base/rss/rss_session.h"
  57 #include "base/torrentfileguard.h"
  58 #include "base/torrentfileswatcher.h"
  59 #include "base/utils/io.h"
  60 #include "base/utils/misc.h"
  61 #include "base/utils/net.h"
  62 #include "base/utils/os.h"
  63 #include "base/utils/password.h"
  64 #include "base/utils/random.h"
  65 #include "base/utils/sslkey.h"
  66 #include "addnewtorrentdialog.h"
  67 #include "advancedsettings.h"
  68 #include "banlistoptionsdialog.h"
  69 #include "interfaces/iguiapplication.h"
  70 #include "ipsubnetwhitelistoptionsdialog.h"
  71 #include "rss/automatedrssdownloader.h"
  72 #include "ui_optionsdialog.h"
  73 #include "uithemedialog.h"
  74 #include "uithememanager.h"
  75 #include "utils.h"
  76 #include "watchedfolderoptionsdialog.h"
  77 #include "watchedfoldersmodel.h"
  78 #include "webui/webui.h"
  79
  80 #ifndef DISABLE_WEBUI
  81 #include "base/net/dnsupdater.h"
  82 #endif
  83
  84 #if defined Q_OS_MACOS || defined Q_OS_WIN
  85 #include "base/utils/os.h"
  86 #endif // defined Q_OS_MACOS || defined Q_OS_WIN
  87
  88 #define SETTINGS_KEY(name) u"OptionsDialog/" name
  89
  90 const int WEBUI_MIN_USERNAME_LENGTH = 3;
  91 const int WEBUI_MIN_PASSWORD_LENGTH = 6;
  92
  93 namespace
  94 {
  95     QStringList translatedWeekdayNames()
  96     {
  97         // return translated strings from Monday to Sunday in user selected locale
  98
  99         const QLocale locale {Preferences::instance()->getLocale()};
 100         const QDate date {2018, 11, 5};  // Monday
 101         QStringList ret;
 102         for (int i = 0; i < 7; ++i)
 103             ret.append(locale.toString(date.addDays(i), u"dddd"_s));
 104         return ret;
 105     }
 106
 107     class WheelEventEater final : public QObject
 108     {
 109     public:
 110         using QObject::QObject;
 111
 112     private:
 113         bool eventFilter(QObject *, QEvent *event) override
 114         {
 115             return (event->type() == QEvent::Wheel);
 116         }
 117     };
 118
 119     bool isValidWebUIUsername(const QString &username)
 120     {
 121         return (username.length() >= WEBUI_MIN_USERNAME_LENGTH);
 122     }
 123
 124     bool isValidWebUIPassword(const QString &password)
 125     {
 126         return (password.length() >= WEBUI_MIN_PASSWORD_LENGTH);
 127     }
 128
 129     // Shortcuts for frequently used signals that have more than one overload. They would require
 130     // type casts and that is why we declare required member pointer here instead.
 131     void (QComboBox::*qComboBoxCurrentIndexChanged)(int) = &QComboBox::currentIndexChanged;
 132     void (QSpinBox::*qSpinBoxValueChanged)(int) = &QSpinBox::valueChanged;
 133 }
 134
 135 // Constructor
 136 OptionsDialog::OptionsDialog(IGUIApplication *app, QWidget *parent)
 137     : GUIApplicationComponent(app, parent)
 138     , m_ui {new Ui::OptionsDialog}
 139     , m_storeDialogSize {SETTINGS_KEY(u"Size"_s)}
 140     , m_storeHSplitterSize {SETTINGS_KEY(u"HorizontalSplitterSizes"_s)}
 141     , m_storeLastViewedPage {SETTINGS_KEY(u"LastViewedPage"_s)}
 142 {
 143     m_ui->setupUi(this);
 144     m_applyButton = m_ui->buttonBox->button(QDialogButtonBox::Apply);
 145
 146 #ifdef Q_OS_UNIX
 147     setWindowTitle(tr("Preferences"));
 148 #endif
 149
 150     m_ui->hsplitter->setCollapsible(0, false);
 151     m_ui->hsplitter->setCollapsible(1, false);
 152
 153     // Main icons
 154     m_ui->tabSelection->item(TAB_UI)->setIcon(UIThemeManager::instance()->getIcon(u"preferences-desktop"_s));
 155     m_ui->tabSelection->item(TAB_BITTORRENT)->setIcon(UIThemeManager::instance()->getIcon(u"preferences-bittorrent"_s, u"preferences-system-network"_s));
 156     m_ui->tabSelection->item(TAB_CONNECTION)->setIcon(UIThemeManager::instance()->getIcon(u"network-connect"_s, u"network-wired"_s));
 157     m_ui->tabSelection->item(TAB_DOWNLOADS)->setIcon(UIThemeManager::instance()->getIcon(u"download"_s, u"folder-download"_s));
 158     m_ui->tabSelection->item(TAB_SPEED)->setIcon(UIThemeManager::instance()->getIcon(u"speedometer"_s, u"chronometer"_s));
 159     m_ui->tabSelection->item(TAB_RSS)->setIcon(UIThemeManager::instance()->getIcon(u"application-rss"_s, u"application-rss+xml"_s));
 160 #ifdef DISABLE_WEBUI
 161     m_ui->tabSelection->item(TAB_WEBUI)->setHidden(true);
 162 #else
 163     m_ui->tabSelection->item(TAB_WEBUI)->setIcon(UIThemeManager::instance()->getIcon(u"preferences-webui"_s, u"network-server"_s));
 164 #endif
 165     m_ui->tabSelection->item(TAB_ADVANCED)->setIcon(UIThemeManager::instance()->getIcon(u"preferences-advanced"_s, u"preferences-other"_s));
 166
 167     // set uniform size for all icons
 168     int maxHeight = -1;
 169     for (int i = 0; i < m_ui->tabSelection->count(); ++i)
 170         maxHeight = std::max(maxHeight, m_ui->tabSelection->visualItemRect(m_ui->tabSelection->item(i)).size().height());
 171     for (int i = 0; i < m_ui->tabSelection->count(); ++i)
 172     {
 173         const QSize size(std::numeric_limits<int>::max(), static_cast<int>(maxHeight * 1.2));
 174         m_ui->tabSelection->item(i)->setSizeHint(size);
 175     }
 176
 177     connect(m_ui->tabSelection, &QListWidget::currentItemChanged, this, &ThisType::changePage);
 178
 179     // Load options
 180     loadBehaviorTabOptions();
 181     loadDownloadsTabOptions();
 182     loadConnectionTabOptions();
 183     loadSpeedTabOptions();
 184     loadBittorrentTabOptions();
 185     loadRSSTabOptions();
 186 #ifndef DISABLE_WEBUI
 187     loadWebUITabOptions();
 188 #endif
 189
 190     // Load Advanced settings
 191     m_advancedSettings = new AdvancedSettings(app, m_ui->tabAdvancedPage);
 192     m_ui->advPageLayout->addWidget(m_advancedSettings);
 193     connect(m_advancedSettings, &AdvancedSettings::settingsChanged, this, &ThisType::enableApplyButton);
 194
 195     // setup apply button
 196     m_applyButton->setEnabled(false);
 197     connect(m_applyButton, &QPushButton::clicked, this, [this]
 198     {
 199         if (applySettings())
 200             m_applyButton->setEnabled(false);
 201     });
 202
 203     // disable mouse wheel event on widgets to avoid misselection
 204     auto *wheelEventEater = new WheelEventEater(this);
 205     for (QComboBox *widget : asConst(findChildren<QComboBox *>()))
 206         widget->installEventFilter(wheelEventEater);
 207     for (QSpinBox *widget : asConst(findChildren<QSpinBox *>()))
 208         widget->installEventFilter(wheelEventEater);
 209
 210     m_ui->tabSelection->setCurrentRow(m_storeLastViewedPage);
 211
 212     if (const QSize dialogSize = m_storeDialogSize; dialogSize.isValid())
 213         resize(dialogSize);
 214 }
 215
 216 OptionsDialog::~OptionsDialog()
 217 {
 218     // save dialog states
 219     m_storeDialogSize = size();
 220
 221     QStringList hSplitterSizes;
 222     for (const int size : asConst(m_ui->hsplitter->sizes()))
 223         hSplitterSizes.append(QString::number(size));
 224     m_storeHSplitterSize = hSplitterSizes;
 225
 226     m_storeLastViewedPage = m_ui->tabSelection->currentRow();
 227
 228     delete m_ui;
 229 }
 230
 231 void OptionsDialog::loadBehaviorTabOptions()
 232 {
 233     const auto *pref = Preferences::instance();
 234     const auto *session = BitTorrent::Session::instance();
 235
 236     initializeLanguageCombo();
 237     setLocale(pref->getLocale());
 238
 239     m_ui->checkUseCustomTheme->setChecked(Preferences::instance()->useCustomUITheme());
 240     m_ui->customThemeFilePath->setSelectedPath(Preferences::instance()->customUIThemePath());
 241     m_ui->customThemeFilePath->setMode(FileSystemPathEdit::Mode::FileOpen);
 242     m_ui->customThemeFilePath->setDialogCaption(tr("Select qBittorrent UI Theme file"));
 243     m_ui->customThemeFilePath->setFileNameFilter(tr("qBittorrent UI Theme file (*.qbtheme config.json)"));
 244 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
 245     m_ui->checkUseSystemIcon->setChecked(pref->useSystemIcons());
 246 #else
 247     m_ui->checkUseSystemIcon->setVisible(false);
 248 #endif
 249
 250     m_ui->confirmDeletion->setChecked(pref->confirmTorrentDeletion());
 251     m_ui->checkAltRowColors->setChecked(pref->useAlternatingRowColors());
 252     m_ui->checkHideZero->setChecked(pref->getHideZeroValues());
 253     m_ui->comboHideZero->setCurrentIndex(pref->getHideZeroComboValues());
 254     m_ui->comboHideZero->setEnabled(m_ui->checkHideZero->isChecked());
 255
 256     m_ui->actionTorrentDlOnDblClBox->setItemData(0, TOGGLE_STOP);
 257     m_ui->actionTorrentDlOnDblClBox->setItemData(1, OPEN_DEST);
 258     m_ui->actionTorrentDlOnDblClBox->setItemData(2, PREVIEW_FILE);
 259     m_ui->actionTorrentDlOnDblClBox->setItemData(3, SHOW_OPTIONS);
 260     m_ui->actionTorrentDlOnDblClBox->setItemData(4, NO_ACTION);
 261     int actionDownloading = pref->getActionOnDblClOnTorrentDl();
 262     if ((actionDownloading < 0) || (actionDownloading >= m_ui->actionTorrentDlOnDblClBox->count()))
 263         actionDownloading = TOGGLE_STOP;
 264     m_ui->actionTorrentDlOnDblClBox->setCurrentIndex(m_ui->actionTorrentDlOnDblClBox->findData(actionDownloading));
 265
 266     m_ui->actionTorrentFnOnDblClBox->setItemData(0, TOGGLE_STOP);
 267     m_ui->actionTorrentFnOnDblClBox->setItemData(1, OPEN_DEST);
 268     m_ui->actionTorrentFnOnDblClBox->setItemData(2, PREVIEW_FILE);
 269     m_ui->actionTorrentFnOnDblClBox->setItemData(3, SHOW_OPTIONS);
 270     m_ui->actionTorrentFnOnDblClBox->setItemData(4, NO_ACTION);
 271     int actionSeeding = pref->getActionOnDblClOnTorrentFn();
 272     if ((actionSeeding < 0) || (actionSeeding >= m_ui->actionTorrentFnOnDblClBox->count()))
 273         actionSeeding = OPEN_DEST;
 274     m_ui->actionTorrentFnOnDblClBox->setCurrentIndex(m_ui->actionTorrentFnOnDblClBox->findData(actionSeeding));
 275
 276     m_ui->checkBoxHideZeroStatusFilters->setChecked(pref->getHideZeroStatusFilters());
 277
 278 #ifndef Q_OS_WIN
 279     m_ui->checkStartup->setVisible(false);
 280 #endif
 281     m_ui->checkShowSplash->setChecked(!pref->isSplashScreenDisabled());
 282     m_ui->checkProgramExitConfirm->setChecked(pref->confirmOnExit());
 283     m_ui->checkProgramAutoExitConfirm->setChecked(!pref->dontConfirmAutoExit());
 284     m_ui->checkConfirmStopAndStartAll->setChecked(pref->confirmPauseAndResumeAll());
 285
 286     m_ui->windowStateComboBox->addItem(tr("Normal"), QVariant::fromValue(WindowState::Normal));
 287     m_ui->windowStateComboBox->addItem(tr("Minimized"), QVariant::fromValue(WindowState::Minimized));
 288 #ifndef Q_OS_MACOS
 289     m_ui->windowStateComboBox->addItem(tr("Hidden"), QVariant::fromValue(WindowState::Hidden));
 290 #endif
 291     m_ui->windowStateComboBox->setCurrentIndex(m_ui->windowStateComboBox->findData(QVariant::fromValue(app()->startUpWindowState())));
 292
 293 #if !(defined(Q_OS_WIN) || defined(Q_OS_MACOS))
 294     m_ui->groupFileAssociation->setVisible(false);
 295     m_ui->checkProgramUpdates->setVisible(false);
 296 #endif
 297
 298 #ifndef Q_OS_MACOS
 299     // Disable systray integration if it is not supported by the system
 300     if (!QSystemTrayIcon::isSystemTrayAvailable())
 301     {
 302         m_ui->checkShowSystray->setChecked(false);
 303         m_ui->checkShowSystray->setEnabled(false);
 304         m_ui->checkShowSystray->setToolTip(tr("Disabled due to failed to detect system tray presence"));
 305     }
 306     m_ui->checkShowSystray->setChecked(pref->systemTrayEnabled());
 307     m_ui->checkMinimizeToSysTray->setChecked(pref->minimizeToTray());
 308     m_ui->checkCloseToSystray->setChecked(pref->closeToTray());
 309     m_ui->comboTrayIcon->setCurrentIndex(static_cast<int>(pref->trayIconStyle()));
 310 #endif
 311
 312 #ifdef Q_OS_WIN
 313     m_ui->checkStartup->setChecked(pref->WinStartup());
 314 #endif
 315
 316 #ifdef Q_OS_MACOS
 317     m_ui->checkShowSystray->setVisible(false);
 318     m_ui->checkAssociateTorrents->setChecked(Utils::OS::isTorrentFileAssocSet());
 319     m_ui->checkAssociateTorrents->setEnabled(!m_ui->checkAssociateTorrents->isChecked());
 320     m_ui->checkAssociateMagnetLinks->setChecked(Utils::OS::isMagnetLinkAssocSet());
 321     m_ui->checkAssociateMagnetLinks->setEnabled(!m_ui->checkAssociateMagnetLinks->isChecked());
 322 #endif
 323
 324 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
 325     m_ui->checkProgramUpdates->setChecked(pref->isUpdateCheckEnabled());
 326 #endif
 327
 328     m_ui->checkPreventFromSuspendWhenDownloading->setChecked(pref->preventFromSuspendWhenDownloading());
 329     m_ui->checkPreventFromSuspendWhenSeeding->setChecked(pref->preventFromSuspendWhenSeeding());
 330
 331     m_ui->textFileLogPath->setDialogCaption(tr("Choose a save directory"));
 332     m_ui->textFileLogPath->setMode(FileSystemPathEdit::Mode::DirectorySave);
 333     m_ui->textFileLogPath->setSelectedPath(app()->fileLoggerPath());
 334     const bool fileLogBackup = app()->isFileLoggerBackup();
 335     m_ui->checkFileLogBackup->setChecked(fileLogBackup);
 336     m_ui->spinFileLogSize->setEnabled(fileLogBackup);
 337     const bool fileLogDelete = app()->isFileLoggerDeleteOld();
 338     m_ui->checkFileLogDelete->setChecked(fileLogDelete);
 339     m_ui->spinFileLogAge->setEnabled(fileLogDelete);
 340     m_ui->comboFileLogAgeType->setEnabled(fileLogDelete);
 341     m_ui->spinFileLogSize->setValue(app()->fileLoggerMaxSize() / 1024);
 342     m_ui->spinFileLogAge->setValue(app()->fileLoggerAge());
 343     m_ui->comboFileLogAgeType->setCurrentIndex(app()->fileLoggerAgeType());
 344     // Groupbox's check state  must be initialized after some of its children if they are manually enabled/disabled
 345     m_ui->checkFileLog->setChecked(app()->isFileLoggerEnabled());
 346
 347     m_ui->checkBoxPerformanceWarning->setChecked(session->isPerformanceWarningEnabled());
 348
 349     connect(m_ui->comboI18n, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 350
 351 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
 352     connect(m_ui->checkUseSystemIcon, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 353 #endif
 354     connect(m_ui->checkUseCustomTheme, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 355     connect(m_ui->customThemeFilePath, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 356
 357     m_ui->buttonCustomizeUITheme->setEnabled(!m_ui->checkUseCustomTheme->isChecked());
 358     connect(m_ui->checkUseCustomTheme, &QGroupBox::toggled, this, [this]
 359     {
 360         m_ui->buttonCustomizeUITheme->setEnabled(!m_ui->checkUseCustomTheme->isChecked());
 361     });
 362     connect(m_ui->buttonCustomizeUITheme, &QPushButton::clicked, this, [this]
 363     {
 364         auto *dialog = new UIThemeDialog(this);
 365         dialog->setAttribute(Qt::WA_DeleteOnClose);
 366         dialog->open();
 367     });
 368
 369     connect(m_ui->confirmDeletion, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 370     connect(m_ui->checkAltRowColors, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 371     connect(m_ui->checkHideZero, &QAbstractButton::toggled, m_ui->comboHideZero, &QWidget::setEnabled);
 372     connect(m_ui->checkHideZero, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 373     connect(m_ui->comboHideZero, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 374     connect(m_ui->actionTorrentDlOnDblClBox, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 375     connect(m_ui->actionTorrentFnOnDblClBox, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 376     connect(m_ui->checkBoxHideZeroStatusFilters, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 377
 378 #ifdef Q_OS_WIN
 379     connect(m_ui->checkStartup, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 380 #endif
 381     connect(m_ui->checkShowSplash, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 382     connect(m_ui->checkProgramExitConfirm, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 383     connect(m_ui->checkProgramAutoExitConfirm, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 384     connect(m_ui->checkConfirmStopAndStartAll, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 385     connect(m_ui->checkShowSystray, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 386     connect(m_ui->checkMinimizeToSysTray, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 387     connect(m_ui->checkCloseToSystray, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 388     connect(m_ui->comboTrayIcon, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 389     connect(m_ui->windowStateComboBox, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 390
 391     connect(m_ui->checkPreventFromSuspendWhenDownloading, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 392     connect(m_ui->checkPreventFromSuspendWhenSeeding, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 393
 394 #if defined(Q_OS_MACOS)
 395     connect(m_ui->checkAssociateTorrents, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 396     connect(m_ui->checkAssociateMagnetLinks, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 397 #endif
 398
 399 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
 400     connect(m_ui->checkProgramUpdates, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 401 #endif
 402
 403 #ifdef Q_OS_WIN
 404     m_ui->assocPanel->hide();
 405 #endif
 406
 407 #ifdef Q_OS_MAC
 408     m_ui->defaultProgramPanel->hide();
 409 #endif
 410
 411 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && !defined(QBT_USES_DBUS)
 412     m_ui->checkPreventFromSuspendWhenDownloading->setDisabled(true);
 413     m_ui->checkPreventFromSuspendWhenSeeding->setDisabled(true);
 414 #endif
 415
 416     connect(m_ui->checkFileLog, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 417     connect(m_ui->textFileLogPath, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 418     connect(m_ui->checkFileLogBackup, &QAbstractButton::toggled, m_ui->spinFileLogSize, &QWidget::setEnabled);
 419     connect(m_ui->checkFileLogBackup, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 420     connect(m_ui->checkFileLogDelete, &QAbstractButton::toggled, m_ui->comboFileLogAgeType, &QWidget::setEnabled);
 421     connect(m_ui->checkFileLogDelete, &QAbstractButton::toggled, m_ui->spinFileLogAge, &QWidget::setEnabled);
 422     connect(m_ui->checkFileLogDelete, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 423     connect(m_ui->spinFileLogSize, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 424     connect(m_ui->spinFileLogAge, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 425     connect(m_ui->comboFileLogAgeType, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 426
 427     connect(m_ui->checkBoxPerformanceWarning, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 428 }
 429
 430 void OptionsDialog::saveBehaviorTabOptions() const
 431 {
 432     auto *pref = Preferences::instance();
 433     auto *session = BitTorrent::Session::instance();
 434
 435     // Load the translation
 436     const QString locale = getLocale();
 437     if (pref->getLocale() != locale)
 438     {
 439         auto *translator = new QTranslator;
 440         if (translator->load(u":/lang/qbittorrent_"_s + locale))
 441             qDebug("%s locale recognized, using translation.", qUtf8Printable(locale));
 442         else
 443             qDebug("%s locale unrecognized, using default (en).", qUtf8Printable(locale));
 444         qApp->installTranslator(translator);
 445     }
 446     pref->setLocale(locale);
 447
 448 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
 449     pref->useSystemIcons(m_ui->checkUseSystemIcon->isChecked());
 450 #endif
 451     pref->setUseCustomUITheme(m_ui->checkUseCustomTheme->isChecked());
 452     pref->setCustomUIThemePath(m_ui->customThemeFilePath->selectedPath());
 453
 454     pref->setConfirmTorrentDeletion(m_ui->confirmDeletion->isChecked());
 455     pref->setAlternatingRowColors(m_ui->checkAltRowColors->isChecked());
 456     pref->setHideZeroValues(m_ui->checkHideZero->isChecked());
 457     pref->setHideZeroComboValues(m_ui->comboHideZero->currentIndex());
 458
 459     pref->setActionOnDblClOnTorrentDl(m_ui->actionTorrentDlOnDblClBox->currentData().toInt());
 460     pref->setActionOnDblClOnTorrentFn(m_ui->actionTorrentFnOnDblClBox->currentData().toInt());
 461
 462     pref->setHideZeroStatusFilters(m_ui->checkBoxHideZeroStatusFilters->isChecked());
 463
 464     pref->setSplashScreenDisabled(isSplashScreenDisabled());
 465     pref->setConfirmOnExit(m_ui->checkProgramExitConfirm->isChecked());
 466     pref->setDontConfirmAutoExit(!m_ui->checkProgramAutoExitConfirm->isChecked());
 467     pref->setConfirmPauseAndResumeAll(m_ui->checkConfirmStopAndStartAll->isChecked());
 468
 469 #ifdef Q_OS_WIN
 470     pref->setWinStartup(WinStartup());
 471 #endif
 472
 473 #ifndef Q_OS_MACOS
 474     pref->setSystemTrayEnabled(m_ui->checkShowSystray->isChecked());
 475     pref->setTrayIconStyle(TrayIcon::Style(m_ui->comboTrayIcon->currentIndex()));
 476     pref->setCloseToTray(m_ui->checkCloseToSystray->isChecked());
 477     pref->setMinimizeToTray(m_ui->checkMinimizeToSysTray->isChecked());
 478 #endif
 479
 480 #ifdef Q_OS_MACOS
 481     if (m_ui->checkAssociateTorrents->isChecked())
 482     {
 483         Utils::OS::setTorrentFileAssoc();
 484         m_ui->checkAssociateTorrents->setChecked(Utils::OS::isTorrentFileAssocSet());
 485         m_ui->checkAssociateTorrents->setEnabled(!m_ui->checkAssociateTorrents->isChecked());
 486     }
 487     if (m_ui->checkAssociateMagnetLinks->isChecked())
 488     {
 489         Utils::OS::setMagnetLinkAssoc();
 490         m_ui->checkAssociateMagnetLinks->setChecked(Utils::OS::isMagnetLinkAssocSet());
 491         m_ui->checkAssociateMagnetLinks->setEnabled(!m_ui->checkAssociateMagnetLinks->isChecked());
 492     }
 493 #endif
 494
 495 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
 496     pref->setUpdateCheckEnabled(m_ui->checkProgramUpdates->isChecked());
 497 #endif
 498
 499     pref->setPreventFromSuspendWhenDownloading(m_ui->checkPreventFromSuspendWhenDownloading->isChecked());
 500     pref->setPreventFromSuspendWhenSeeding(m_ui->checkPreventFromSuspendWhenSeeding->isChecked());
 501
 502     app()->setFileLoggerPath(m_ui->textFileLogPath->selectedPath());
 503     app()->setFileLoggerBackup(m_ui->checkFileLogBackup->isChecked());
 504     app()->setFileLoggerMaxSize(m_ui->spinFileLogSize->value() * 1024);
 505     app()->setFileLoggerAge(m_ui->spinFileLogAge->value());
 506     app()->setFileLoggerAgeType(m_ui->comboFileLogAgeType->currentIndex());
 507     app()->setFileLoggerDeleteOld(m_ui->checkFileLogDelete->isChecked());
 508     app()->setFileLoggerEnabled(m_ui->checkFileLog->isChecked());
 509
 510     app()->setStartUpWindowState(m_ui->windowStateComboBox->currentData().value<WindowState>());
 511
 512     session->setPerformanceWarningEnabled(m_ui->checkBoxPerformanceWarning->isChecked());
 513 }
 514
 515 void OptionsDialog::loadDownloadsTabOptions()
 516 {
 517     const auto *pref = Preferences::instance();
 518     const auto *session = BitTorrent::Session::instance();
 519
 520     m_ui->checkAdditionDialog->setChecked(pref->isAddNewTorrentDialogEnabled());
 521     m_ui->checkAdditionDialogFront->setChecked(pref->isAddNewTorrentDialogTopLevel());
 522
 523     m_ui->contentLayoutComboBox->setCurrentIndex(static_cast<int>(session->torrentContentLayout()));
 524     m_ui->checkAddToQueueTop->setChecked(session->isAddTorrentToQueueTop());
 525     m_ui->checkAddStopped->setChecked(session->isAddTorrentStopped());
 526
 527     m_ui->stopConditionComboBox->setToolTip(
 528                 u"<html><body><p><b>" + tr("None") + u"</b> - " + tr("No stop condition is set.") + u"</p><p><b>" +
 529                 tr("Metadata received") + u"</b> - " + tr("Torrent will stop after metadata is received.") +
 530                 u" <em>" + tr("Torrents that have metadata initially will be added as stopped.") + u"</em></p><p><b>" +
 531                 tr("Files checked") + u"</b> - " + tr("Torrent will stop after files are initially checked.") +
 532                 u" <em>" + tr("This will also download metadata if it wasn't there initially.") + u"</em></p></body></html>");
 533     m_ui->stopConditionComboBox->setItemData(0, QVariant::fromValue(BitTorrent::Torrent::StopCondition::None));
 534     m_ui->stopConditionComboBox->setItemData(1, QVariant::fromValue(BitTorrent::Torrent::StopCondition::MetadataReceived));
 535     m_ui->stopConditionComboBox->setItemData(2, QVariant::fromValue(BitTorrent::Torrent::StopCondition::FilesChecked));
 536     m_ui->stopConditionComboBox->setCurrentIndex(m_ui->stopConditionComboBox->findData(QVariant::fromValue(session->torrentStopCondition())));
 537     m_ui->stopConditionLabel->setEnabled(!m_ui->checkAddStopped->isChecked());
 538     m_ui->stopConditionComboBox->setEnabled(!m_ui->checkAddStopped->isChecked());
 539
 540     m_ui->checkMergeTrackers->setChecked(session->isMergeTrackersEnabled());
 541     m_ui->checkConfirmMergeTrackers->setEnabled(m_ui->checkAdditionDialog->isChecked());
 542     m_ui->checkConfirmMergeTrackers->setChecked(m_ui->checkConfirmMergeTrackers->isEnabled() ? pref->confirmMergeTrackers() : false);
 543     connect(m_ui->checkAdditionDialog, &QGroupBox::toggled, this, [this, pref]
 544     {
 545         m_ui->checkConfirmMergeTrackers->setEnabled(m_ui->checkAdditionDialog->isChecked());
 546         m_ui->checkConfirmMergeTrackers->setChecked(m_ui->checkConfirmMergeTrackers->isEnabled() ? pref->confirmMergeTrackers() : false);
 547     });
 548
 549     const TorrentFileGuard::AutoDeleteMode autoDeleteMode = TorrentFileGuard::autoDeleteMode();
 550     m_ui->deleteTorrentBox->setChecked(autoDeleteMode != TorrentFileGuard::Never);
 551     m_ui->deleteCancelledTorrentBox->setChecked(autoDeleteMode == TorrentFileGuard::Always);
 552     m_ui->deleteTorrentWarningIcon->setPixmap(QApplication::style()->standardIcon(QStyle::SP_MessageBoxCritical).pixmap(16, 16));
 553     m_ui->deleteTorrentWarningIcon->hide();
 554     m_ui->deleteTorrentWarningLabel->hide();
 555     m_ui->deleteTorrentWarningLabel->setToolTip(u"<html><body><p>" +
 556         tr("By enabling these options, you can <strong>irrevocably lose</strong> your .torrent files!") +
 557         u"</p><p>" +
 558         tr("When these options are enabled, qBittorrent will <strong>delete</strong> .torrent files "
 559         "after they were successfully (the first option) or not (the second option) added to its "
 560         "download queue. This will be applied <strong>not only</strong> to the files opened via "
 561         "&ldquo;Add torrent&rdquo; menu action but to those opened via <strong>file type association</strong> as well") +
 562         u"</p><p>" +
 563         tr("If you enable the second option (&ldquo;Also when addition is cancelled&rdquo;) the "
 564         ".torrent file <strong>will be deleted</strong> even if you press &ldquo;<strong>Cancel</strong>&rdquo; in "
 565         "the &ldquo;Add torrent&rdquo; dialog") +
 566         u"</p></body></html>");
 567
 568     m_ui->checkPreallocateAll->setChecked(session->isPreallocationEnabled());
 569     m_ui->checkAppendqB->setChecked(session->isAppendExtensionEnabled());
 570     m_ui->checkUnwantedFolder->setChecked(session->isUnwantedFolderEnabled());
 571     m_ui->checkRecursiveDownload->setChecked(pref->isRecursiveDownloadEnabled());
 572
 573     m_ui->comboSavingMode->setCurrentIndex(!session->isAutoTMMDisabledByDefault());
 574     m_ui->comboTorrentCategoryChanged->setCurrentIndex(session->isDisableAutoTMMWhenCategoryChanged());
 575     m_ui->comboCategoryChanged->setCurrentIndex(session->isDisableAutoTMMWhenCategorySavePathChanged());
 576     m_ui->comboCategoryDefaultPathChanged->setCurrentIndex(session->isDisableAutoTMMWhenDefaultSavePathChanged());
 577
 578     m_ui->checkUseSubcategories->setChecked(session->isSubcategoriesEnabled());
 579     m_ui->checkUseCategoryPaths->setChecked(session->useCategoryPathsInManualMode());
 580
 581     m_ui->textSavePath->setDialogCaption(tr("Choose a save directory"));
 582     m_ui->textSavePath->setMode(FileSystemPathEdit::Mode::DirectorySave);
 583     m_ui->textSavePath->setSelectedPath(session->savePath());
 584
 585     m_ui->checkUseDownloadPath->setChecked(session->isDownloadPathEnabled());
 586     m_ui->textDownloadPath->setDialogCaption(tr("Choose a save directory"));
 587     m_ui->textDownloadPath->setEnabled(m_ui->checkUseDownloadPath->isChecked());
 588     m_ui->textDownloadPath->setMode(FileSystemPathEdit::Mode::DirectorySave);
 589     m_ui->textDownloadPath->setSelectedPath(session->downloadPath());
 590
 591     const bool isExportDirEmpty = session->torrentExportDirectory().isEmpty();
 592     m_ui->checkExportDir->setChecked(!isExportDirEmpty);
 593     m_ui->textExportDir->setDialogCaption(tr("Choose export directory"));
 594     m_ui->textExportDir->setEnabled(m_ui->checkExportDir->isChecked());
 595     m_ui->textExportDir->setMode(FileSystemPathEdit::Mode::DirectorySave);
 596     if (!isExportDirEmpty)
 597         m_ui->textExportDir->setSelectedPath(session->torrentExportDirectory());
 598
 599     const bool isExportDirFinEmpty = session->finishedTorrentExportDirectory().isEmpty();
 600     m_ui->checkExportDirFin->setChecked(!isExportDirFinEmpty);
 601     m_ui->textExportDirFin->setDialogCaption(tr("Choose export directory"));
 602     m_ui->textExportDirFin->setEnabled(m_ui->checkExportDirFin->isChecked());
 603     m_ui->textExportDirFin->setMode(FileSystemPathEdit::Mode::DirectorySave);
 604     if (!isExportDirFinEmpty)
 605         m_ui->textExportDirFin->setSelectedPath(session->finishedTorrentExportDirectory());
 606
 607     auto *watchedFoldersModel = new WatchedFoldersModel(TorrentFilesWatcher::instance(), this);
 608     connect(watchedFoldersModel, &QAbstractListModel::dataChanged, this, &ThisType::enableApplyButton);
 609     m_ui->scanFoldersView->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
 610     m_ui->scanFoldersView->setModel(watchedFoldersModel);
 611     connect(m_ui->scanFoldersView->selectionModel(), &QItemSelectionModel::selectionChanged, this, &ThisType::handleWatchedFolderViewSelectionChanged);
 612     connect(m_ui->scanFoldersView, &QTreeView::doubleClicked, this, &ThisType::editWatchedFolderOptions);
 613
 614     m_ui->groupExcludedFileNames->setChecked(session->isExcludedFileNamesEnabled());
 615     m_ui->textExcludedFileNames->setPlainText(session->excludedFileNames().join(u'\n'));
 616
 617     m_ui->groupMailNotification->setChecked(pref->isMailNotificationEnabled());
 618     m_ui->senderEmailTxt->setText(pref->getMailNotificationSender());
 619     m_ui->lineEditDestEmail->setText(pref->getMailNotificationEmail());
 620     m_ui->lineEditSmtpServer->setText(pref->getMailNotificationSMTP());
 621     m_ui->checkSmtpSSL->setChecked(pref->getMailNotificationSMTPSSL());
 622     m_ui->groupMailNotifAuth->setChecked(pref->getMailNotificationSMTPAuth());
 623     m_ui->mailNotifUsername->setText(pref->getMailNotificationSMTPUsername());
 624     m_ui->mailNotifPassword->setText(pref->getMailNotificationSMTPPassword());
 625
 626     m_ui->groupBoxRunOnAdded->setChecked(pref->isAutoRunOnTorrentAddedEnabled());
 627     m_ui->groupBoxRunOnFinished->setChecked(pref->isAutoRunOnTorrentFinishedEnabled());
 628     m_ui->lineEditRunOnAdded->setText(pref->getAutoRunOnTorrentAddedProgram());
 629     m_ui->lineEditRunOnFinished->setText(pref->getAutoRunOnTorrentFinishedProgram());
 630 #if defined(Q_OS_WIN)
 631     m_ui->autoRunConsole->setChecked(pref->isAutoRunConsoleEnabled());
 632 #else
 633     m_ui->autoRunConsole->hide();
 634 #endif
 635     const auto autoRunStr = u"%1\n    %2\n    %3\n    %4\n    %5\n    %6\n    %7\n    %8\n    %9\n    %10\n    %11\n    %12\n    %13\n%14"_s
 636         .arg(tr("Supported parameters (case sensitive):")
 637             , tr("%N: Torrent name")
 638             , tr("%L: Category")
 639             , tr("%G: Tags (separated by comma)")
 640             , tr("%F: Content path (same as root path for multifile torrent)")
 641             , tr("%R: Root path (first torrent subdirectory path)")
 642             , tr("%D: Save path")
 643             , tr("%C: Number of files")
 644             , tr("%Z: Torrent size (bytes)"))
 645         .arg(tr("%T: Current tracker")
 646             , tr("%I: Info hash v1 (or '-' if unavailable)")
 647             , tr("%J: Info hash v2 (or '-' if unavailable)")
 648             , tr("%K: Torrent ID (either sha-1 info hash for v1 torrent or truncated sha-256 info hash for v2/hybrid torrent)")
 649             , tr("Tip: Encapsulate parameter with quotation marks to avoid text being cut off at whitespace (e.g., \"%N\")"));
 650     m_ui->labelAutoRunParam->setText(autoRunStr);
 651
 652     connect(m_ui->checkAdditionDialog, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 653     connect(m_ui->checkAdditionDialogFront, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 654
 655     connect(m_ui->contentLayoutComboBox, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 656
 657     connect(m_ui->checkAddToQueueTop, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 658     connect(m_ui->checkAddStopped, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 659     connect(m_ui->checkAddStopped, &QAbstractButton::toggled, this, [this](const bool checked)
 660     {
 661         m_ui->stopConditionLabel->setEnabled(!checked);
 662         m_ui->stopConditionComboBox->setEnabled(!checked);
 663     });
 664     connect(m_ui->stopConditionComboBox, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 665     connect(m_ui->checkMergeTrackers, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 666     connect(m_ui->checkConfirmMergeTrackers, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 667     connect(m_ui->deleteTorrentBox, &QGroupBox::toggled, m_ui->deleteTorrentWarningIcon, &QWidget::setVisible);
 668     connect(m_ui->deleteTorrentBox, &QGroupBox::toggled, m_ui->deleteTorrentWarningLabel, &QWidget::setVisible);
 669     connect(m_ui->deleteTorrentBox, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 670     connect(m_ui->deleteCancelledTorrentBox, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 671
 672     connect(m_ui->checkPreallocateAll, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 673     connect(m_ui->checkAppendqB, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 674     connect(m_ui->checkUnwantedFolder, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 675     connect(m_ui->checkRecursiveDownload, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 676
 677     connect(m_ui->comboSavingMode, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 678     connect(m_ui->comboTorrentCategoryChanged, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 679     connect(m_ui->comboCategoryChanged, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 680     connect(m_ui->comboCategoryDefaultPathChanged, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 681
 682     connect(m_ui->checkUseSubcategories, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 683     connect(m_ui->checkUseCategoryPaths, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 684
 685     connect(m_ui->textSavePath, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 686     connect(m_ui->textDownloadPath, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 687
 688     connect(m_ui->checkExportDir, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 689     connect(m_ui->checkExportDir, &QAbstractButton::toggled, m_ui->textExportDir, &QWidget::setEnabled);
 690     connect(m_ui->checkExportDirFin, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 691     connect(m_ui->checkExportDirFin, &QAbstractButton::toggled, m_ui->textExportDirFin, &QWidget::setEnabled);
 692     connect(m_ui->textExportDir, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 693     connect(m_ui->textExportDirFin, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 694     connect(m_ui->checkUseDownloadPath, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 695     connect(m_ui->checkUseDownloadPath, &QAbstractButton::toggled, m_ui->textDownloadPath, &QWidget::setEnabled);
 696
 697     connect(m_ui->addWatchedFolderButton, &QAbstractButton::clicked, this, &ThisType::enableApplyButton);
 698
 699     connect(m_ui->groupExcludedFileNames, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 700     connect(m_ui->textExcludedFileNames, &QPlainTextEdit::textChanged, this, &ThisType::enableApplyButton);
 701     connect(m_ui->removeWatchedFolderButton, &QAbstractButton::clicked, this, &ThisType::enableApplyButton);
 702
 703     connect(m_ui->groupMailNotification, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 704     connect(m_ui->senderEmailTxt, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 705     connect(m_ui->lineEditDestEmail, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 706     connect(m_ui->lineEditSmtpServer, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 707     connect(m_ui->checkSmtpSSL, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 708     connect(m_ui->groupMailNotifAuth, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 709     connect(m_ui->mailNotifUsername, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 710     connect(m_ui->mailNotifPassword, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 711     connect(m_ui->sendTestEmail, &QPushButton::clicked, this, [this]
 712     {
 713         app()->sendTestEmail();
 714         QMessageBox::information(this, tr("Test email"), tr("Attempted to send email. Check your inbox to confirm success"));
 715     });
 716
 717     connect(m_ui->groupBoxRunOnAdded, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 718     connect(m_ui->lineEditRunOnAdded, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 719     connect(m_ui->groupBoxRunOnFinished, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 720     connect(m_ui->lineEditRunOnFinished, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 721     connect(m_ui->autoRunConsole, &QCheckBox::toggled, this, &ThisType::enableApplyButton);
 722 }
 723
 724 void OptionsDialog::saveDownloadsTabOptions() const
 725 {
 726     auto *pref = Preferences::instance();
 727     auto *session = BitTorrent::Session::instance();
 728
 729     pref->setAddNewTorrentDialogEnabled(useAdditionDialog());
 730     pref->setAddNewTorrentDialogTopLevel(m_ui->checkAdditionDialogFront->isChecked());
 731
 732     session->setTorrentContentLayout(static_cast<BitTorrent::TorrentContentLayout>(m_ui->contentLayoutComboBox->currentIndex()));
 733
 734     session->setAddTorrentToQueueTop(m_ui->checkAddToQueueTop->isChecked());
 735     session->setAddTorrentStopped(addTorrentsStopped());
 736     session->setTorrentStopCondition(m_ui->stopConditionComboBox->currentData().value<BitTorrent::Torrent::StopCondition>());
 737     TorrentFileGuard::setAutoDeleteMode(!m_ui->deleteTorrentBox->isChecked() ? TorrentFileGuard::Never
 738                              : !m_ui->deleteCancelledTorrentBox->isChecked() ? TorrentFileGuard::IfAdded
 739                              : TorrentFileGuard::Always);
 740     session->setMergeTrackersEnabled(m_ui->checkMergeTrackers->isChecked());
 741     if (m_ui->checkConfirmMergeTrackers->isEnabled())
 742         pref->setConfirmMergeTrackers(m_ui->checkConfirmMergeTrackers->isChecked());
 743
 744     session->setPreallocationEnabled(preAllocateAllFiles());
 745     session->setAppendExtensionEnabled(m_ui->checkAppendqB->isChecked());
 746     session->setUnwantedFolderEnabled(m_ui->checkUnwantedFolder->isChecked());
 747     pref->setRecursiveDownloadEnabled(m_ui->checkRecursiveDownload->isChecked());
 748
 749     session->setAutoTMMDisabledByDefault(m_ui->comboSavingMode->currentIndex() == 0);
 750     session->setDisableAutoTMMWhenCategoryChanged(m_ui->comboTorrentCategoryChanged->currentIndex() == 1);
 751     session->setDisableAutoTMMWhenCategorySavePathChanged(m_ui->comboCategoryChanged->currentIndex() == 1);
 752     session->setDisableAutoTMMWhenDefaultSavePathChanged(m_ui->comboCategoryDefaultPathChanged->currentIndex() == 1);
 753
 754     session->setSubcategoriesEnabled(m_ui->checkUseSubcategories->isChecked());
 755     session->setUseCategoryPathsInManualMode(m_ui->checkUseCategoryPaths->isChecked());
 756
 757     session->setSavePath(Path(m_ui->textSavePath->selectedPath()));
 758     session->setDownloadPathEnabled(m_ui->checkUseDownloadPath->isChecked());
 759     session->setDownloadPath(m_ui->textDownloadPath->selectedPath());
 760     session->setTorrentExportDirectory(getTorrentExportDir());
 761     session->setFinishedTorrentExportDirectory(getFinishedTorrentExportDir());
 762
 763     auto *watchedFoldersModel = static_cast<WatchedFoldersModel *>(m_ui->scanFoldersView->model());
 764     watchedFoldersModel->apply();
 765
 766     session->setExcludedFileNamesEnabled(m_ui->groupExcludedFileNames->isChecked());
 767     session->setExcludedFileNames(m_ui->textExcludedFileNames->toPlainText().split(u'\n', Qt::SkipEmptyParts));
 768
 769     pref->setMailNotificationEnabled(m_ui->groupMailNotification->isChecked());
 770     pref->setMailNotificationSender(m_ui->senderEmailTxt->text());
 771     pref->setMailNotificationEmail(m_ui->lineEditDestEmail->text());
 772     pref->setMailNotificationSMTP(m_ui->lineEditSmtpServer->text());
 773     pref->setMailNotificationSMTPSSL(m_ui->checkSmtpSSL->isChecked());
 774     pref->setMailNotificationSMTPAuth(m_ui->groupMailNotifAuth->isChecked());
 775     pref->setMailNotificationSMTPUsername(m_ui->mailNotifUsername->text());
 776     pref->setMailNotificationSMTPPassword(m_ui->mailNotifPassword->text());
 777
 778     pref->setAutoRunOnTorrentAddedEnabled(m_ui->groupBoxRunOnAdded->isChecked());
 779     pref->setAutoRunOnTorrentAddedProgram(m_ui->lineEditRunOnAdded->text().trimmed());
 780     pref->setAutoRunOnTorrentFinishedEnabled(m_ui->groupBoxRunOnFinished->isChecked());
 781     pref->setAutoRunOnTorrentFinishedProgram(m_ui->lineEditRunOnFinished->text().trimmed());
 782 #if defined(Q_OS_WIN)
 783     pref->setAutoRunConsoleEnabled(m_ui->autoRunConsole->isChecked());
 784 #endif
 785 }
 786
 787 void OptionsDialog::loadConnectionTabOptions()
 788 {
 789     const auto *session = BitTorrent::Session::instance();
 790
 791     m_ui->comboProtocol->setCurrentIndex(static_cast<int>(session->btProtocol()));
 792     m_ui->spinPort->setValue(session->port());
 793     m_ui->checkUPnP->setChecked(Net::PortForwarder::instance()->isEnabled());
 794
 795     int intValue = session->maxConnections();
 796     if (intValue > 0)
 797     {
 798         // enable
 799         m_ui->checkMaxConnections->setChecked(true);
 800         m_ui->spinMaxConnec->setEnabled(true);
 801         m_ui->spinMaxConnec->setValue(intValue);
 802     }
 803     else
 804     {
 805         // disable
 806         m_ui->checkMaxConnections->setChecked(false);
 807         m_ui->spinMaxConnec->setEnabled(false);
 808     }
 809     intValue = session->maxConnectionsPerTorrent();
 810     if (intValue > 0)
 811     {
 812         // enable
 813         m_ui->checkMaxConnectionsPerTorrent->setChecked(true);
 814         m_ui->spinMaxConnecPerTorrent->setEnabled(true);
 815         m_ui->spinMaxConnecPerTorrent->setValue(intValue);
 816     }
 817     else
 818     {
 819         // disable
 820         m_ui->checkMaxConnectionsPerTorrent->setChecked(false);
 821         m_ui->spinMaxConnecPerTorrent->setEnabled(false);
 822     }
 823     intValue = session->maxUploads();
 824     if (intValue > 0)
 825     {
 826         // enable
 827         m_ui->checkMaxUploads->setChecked(true);
 828         m_ui->spinMaxUploads->setEnabled(true);
 829         m_ui->spinMaxUploads->setValue(intValue);
 830     }
 831     else
 832     {
 833         // disable
 834         m_ui->checkMaxUploads->setChecked(false);
 835         m_ui->spinMaxUploads->setEnabled(false);
 836     }
 837     intValue = session->maxUploadsPerTorrent();
 838     if (intValue > 0)
 839     {
 840         // enable
 841         m_ui->checkMaxUploadsPerTorrent->setChecked(true);
 842         m_ui->spinMaxUploadsPerTorrent->setEnabled(true);
 843         m_ui->spinMaxUploadsPerTorrent->setValue(intValue);
 844     }
 845     else
 846     {
 847         // disable
 848         m_ui->checkMaxUploadsPerTorrent->setChecked(false);
 849         m_ui->spinMaxUploadsPerTorrent->setEnabled(false);
 850     }
 851
 852 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 853     m_ui->textI2PHost->setText(session->I2PAddress());
 854     m_ui->spinI2PPort->setValue(session->I2PPort());
 855     m_ui->checkI2PMixed->setChecked(session->I2PMixedMode());
 856     m_ui->groupI2P->setChecked(session->isI2PEnabled());
 857 #else
 858     m_ui->groupI2P->hide();
 859 #endif
 860
 861     const auto *proxyConfigManager = Net::ProxyConfigurationManager::instance();
 862     const Net::ProxyConfiguration proxyConf = proxyConfigManager->proxyConfiguration();
 863
 864     m_ui->comboProxyType->addItem(tr("(None)"), QVariant::fromValue(Net::ProxyType::None));
 865     m_ui->comboProxyType->addItem(tr("SOCKS4"), QVariant::fromValue(Net::ProxyType::SOCKS4));
 866     m_ui->comboProxyType->addItem(tr("SOCKS5"), QVariant::fromValue(Net::ProxyType::SOCKS5));
 867     m_ui->comboProxyType->addItem(tr("HTTP"), QVariant::fromValue(Net::ProxyType::HTTP));
 868     m_ui->comboProxyType->setCurrentIndex(m_ui->comboProxyType->findData(QVariant::fromValue(proxyConf.type)));
 869     adjustProxyOptions();
 870
 871     m_ui->textProxyIP->setText(proxyConf.ip);
 872     m_ui->spinProxyPort->setValue(proxyConf.port);
 873     m_ui->textProxyUsername->setText(proxyConf.username);
 874     m_ui->textProxyPassword->setText(proxyConf.password);
 875     m_ui->checkProxyAuth->setChecked(proxyConf.authEnabled);
 876     m_ui->checkProxyHostnameLookup->setChecked(proxyConf.hostnameLookupEnabled);
 877
 878     m_ui->checkProxyPeerConnections->setChecked(session->isProxyPeerConnectionsEnabled());
 879     m_ui->checkProxyBitTorrent->setChecked(Preferences::instance()->useProxyForBT());
 880     m_ui->checkProxyRSS->setChecked(Preferences::instance()->useProxyForRSS());
 881     m_ui->checkProxyMisc->setChecked(Preferences::instance()->useProxyForGeneralPurposes());
 882
 883     m_ui->checkIPFilter->setChecked(session->isIPFilteringEnabled());
 884     m_ui->textFilterPath->setDialogCaption(tr("Choose an IP filter file"));
 885     m_ui->textFilterPath->setEnabled(m_ui->checkIPFilter->isChecked());
 886     m_ui->textFilterPath->setFileNameFilter(tr("All supported filters") + u" (*.dat *.p2p *.p2b);;.dat (*.dat);;.p2p (*.p2p);;.p2b (*.p2b)");
 887     m_ui->textFilterPath->setSelectedPath(session->IPFilterFile());
 888
 889     m_ui->IpFilterRefreshBtn->setIcon(UIThemeManager::instance()->getIcon(u"view-refresh"_s));
 890     m_ui->IpFilterRefreshBtn->setEnabled(m_ui->checkIPFilter->isChecked());
 891     m_ui->checkIpFilterTrackers->setChecked(session->isTrackerFilteringEnabled());
 892
 893     connect(m_ui->comboProtocol, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 894     connect(m_ui->spinPort, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 895     connect(m_ui->checkUPnP, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 896
 897     connect(m_ui->checkMaxConnections, &QAbstractButton::toggled, m_ui->spinMaxConnec, &QWidget::setEnabled);
 898     connect(m_ui->checkMaxConnections, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 899     connect(m_ui->checkMaxConnectionsPerTorrent, &QAbstractButton::toggled, m_ui->spinMaxConnecPerTorrent, &QWidget::setEnabled);
 900     connect(m_ui->checkMaxConnectionsPerTorrent, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 901     connect(m_ui->checkMaxUploads, &QAbstractButton::toggled, m_ui->spinMaxUploads, &QWidget::setEnabled);
 902     connect(m_ui->checkMaxUploads, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 903     connect(m_ui->checkMaxUploadsPerTorrent, &QAbstractButton::toggled, m_ui->spinMaxUploadsPerTorrent, &QWidget::setEnabled);
 904     connect(m_ui->checkMaxUploadsPerTorrent, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 905     connect(m_ui->spinMaxConnec, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 906     connect(m_ui->spinMaxConnecPerTorrent, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 907     connect(m_ui->spinMaxUploads, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 908     connect(m_ui->spinMaxUploadsPerTorrent, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 909
 910     connect(m_ui->comboProxyType, qComboBoxCurrentIndexChanged, this, &ThisType::adjustProxyOptions);
 911     connect(m_ui->comboProxyType, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
 912     connect(m_ui->textProxyIP, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 913     connect(m_ui->spinProxyPort, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 914
 915 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 916     connect(m_ui->textI2PHost, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 917     connect(m_ui->spinI2PPort, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
 918     connect(m_ui->checkI2PMixed, &QCheckBox::toggled, this, &ThisType::enableApplyButton);
 919     connect(m_ui->groupI2P, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 920 #endif
 921
 922     connect(m_ui->checkProxyBitTorrent, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 923     connect(m_ui->checkProxyBitTorrent, &QGroupBox::toggled, this, &ThisType::adjustProxyOptions);
 924     connect(m_ui->checkProxyPeerConnections, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 925     connect(m_ui->checkProxyHostnameLookup, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 926     connect(m_ui->checkProxyRSS, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 927     connect(m_ui->checkProxyMisc, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 928
 929     connect(m_ui->checkProxyAuth, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
 930     connect(m_ui->textProxyUsername, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 931     connect(m_ui->textProxyPassword, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
 932
 933     connect(m_ui->checkIPFilter, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 934     connect(m_ui->checkIPFilter, &QAbstractButton::toggled, m_ui->textFilterPath, &QWidget::setEnabled);
 935     connect(m_ui->checkIPFilter, &QAbstractButton::toggled, m_ui->IpFilterRefreshBtn, &QWidget::setEnabled);
 936     connect(m_ui->textFilterPath, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 937     connect(m_ui->checkIpFilterTrackers, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
 938 }
 939
 940 void OptionsDialog::saveConnectionTabOptions() const
 941 {
 942     auto *session = BitTorrent::Session::instance();
 943
 944     session->setBTProtocol(static_cast<BitTorrent::BTProtocol>(m_ui->comboProtocol->currentIndex()));
 945     session->setPort(getPort());
 946     Net::PortForwarder::instance()->setEnabled(isUPnPEnabled());
 947
 948     session->setMaxConnections(getMaxConnections());
 949     session->setMaxConnectionsPerTorrent(getMaxConnectionsPerTorrent());
 950     session->setMaxUploads(getMaxUploads());
 951     session->setMaxUploadsPerTorrent(getMaxUploadsPerTorrent());
 952
 953 #if defined(QBT_USES_LIBTORRENT2) && TORRENT_USE_I2P
 954     session->setI2PEnabled(m_ui->groupI2P->isChecked());
 955     session->setI2PAddress(m_ui->textI2PHost->text().trimmed());
 956     session->setI2PPort(m_ui->spinI2PPort->value());
 957     session->setI2PMixedMode(m_ui->checkI2PMixed->isChecked());
 958 #endif
 959
 960     auto *proxyConfigManager = Net::ProxyConfigurationManager::instance();
 961     Net::ProxyConfiguration proxyConf;
 962     proxyConf.type = getProxyType();
 963     proxyConf.ip = getProxyIp();
 964     proxyConf.port = getProxyPort();
 965     proxyConf.authEnabled = m_ui->checkProxyAuth->isChecked();
 966     proxyConf.username = getProxyUsername();
 967     proxyConf.password = getProxyPassword();
 968     proxyConf.hostnameLookupEnabled = m_ui->checkProxyHostnameLookup->isChecked();
 969     proxyConfigManager->setProxyConfiguration(proxyConf);
 970
 971     Preferences::instance()->setUseProxyForBT(m_ui->checkProxyBitTorrent->isChecked());
 972     Preferences::instance()->setUseProxyForRSS(m_ui->checkProxyRSS->isChecked());
 973     Preferences::instance()->setUseProxyForGeneralPurposes(m_ui->checkProxyMisc->isChecked());
 974
 975     session->setProxyPeerConnectionsEnabled(m_ui->checkProxyPeerConnections->isChecked());
 976
 977     // IPFilter
 978     session->setIPFilteringEnabled(isIPFilteringEnabled());
 979     session->setTrackerFilteringEnabled(m_ui->checkIpFilterTrackers->isChecked());
 980     session->setIPFilterFile(m_ui->textFilterPath->selectedPath());
 981 }
 982
 983 void OptionsDialog::loadSpeedTabOptions()
 984 {
 985     const auto *pref = Preferences::instance();
 986     const auto *session = BitTorrent::Session::instance();
 987
 988     m_ui->labelGlobalRate->setPixmap(UIThemeManager::instance()->getScaledPixmap(u"slow_off"_s, Utils::Gui::mediumIconSize(this).height()));
 989     m_ui->spinUploadLimit->setValue(session->globalUploadSpeedLimit() / 1024);
 990     m_ui->spinDownloadLimit->setValue(session->globalDownloadSpeedLimit() / 1024);
 991
 992     m_ui->labelAltRate->setPixmap(UIThemeManager::instance()->getScaledPixmap(u"slow"_s, Utils::Gui::mediumIconSize(this).height()));
 993     m_ui->spinUploadLimitAlt->setValue(session->altGlobalUploadSpeedLimit() / 1024);
 994     m_ui->spinDownloadLimitAlt->setValue(session->altGlobalDownloadSpeedLimit() / 1024);
 995
 996     m_ui->comboBoxScheduleDays->addItems(translatedWeekdayNames());
 997
 998     m_ui->groupBoxSchedule->setChecked(session->isBandwidthSchedulerEnabled());
 999     m_ui->timeEditScheduleFrom->setTime(pref->getSchedulerStartTime());
1000     m_ui->timeEditScheduleTo->setTime(pref->getSchedulerEndTime());
1001     m_ui->comboBoxScheduleDays->setCurrentIndex(static_cast<int>(pref->getSchedulerDays()));
1002
1003     m_ui->checkLimituTPConnections->setChecked(session->isUTPRateLimited());
1004     m_ui->checkLimitTransportOverhead->setChecked(session->includeOverheadInLimits());
1005     m_ui->checkLimitLocalPeerRate->setChecked(!session->ignoreLimitsOnLAN());
1006
1007     connect(m_ui->spinUploadLimit, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1008     connect(m_ui->spinDownloadLimit, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1009
1010     connect(m_ui->spinUploadLimitAlt, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1011     connect(m_ui->spinDownloadLimitAlt, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1012
1013     connect(m_ui->groupBoxSchedule, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1014     connect(m_ui->timeEditScheduleFrom, &QDateTimeEdit::timeChanged, this, &ThisType::enableApplyButton);
1015     connect(m_ui->timeEditScheduleTo, &QDateTimeEdit::timeChanged, this, &ThisType::enableApplyButton);
1016     connect(m_ui->comboBoxScheduleDays, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
1017
1018     connect(m_ui->checkLimituTPConnections, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1019     connect(m_ui->checkLimitTransportOverhead, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1020     connect(m_ui->checkLimitLocalPeerRate, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1021 }
1022
1023 void OptionsDialog::saveSpeedTabOptions() const
1024 {
1025     auto *pref = Preferences::instance();
1026     auto *session = BitTorrent::Session::instance();
1027
1028     session->setGlobalUploadSpeedLimit(m_ui->spinUploadLimit->value() * 1024);
1029     session->setGlobalDownloadSpeedLimit(m_ui->spinDownloadLimit->value() * 1024);
1030
1031     session->setAltGlobalUploadSpeedLimit(m_ui->spinUploadLimitAlt->value() * 1024);
1032     session->setAltGlobalDownloadSpeedLimit(m_ui->spinDownloadLimitAlt->value() * 1024);
1033
1034     session->setBandwidthSchedulerEnabled(m_ui->groupBoxSchedule->isChecked());
1035     pref->setSchedulerStartTime(m_ui->timeEditScheduleFrom->time());
1036     pref->setSchedulerEndTime(m_ui->timeEditScheduleTo->time());
1037     pref->setSchedulerDays(static_cast<Scheduler::Days>(m_ui->comboBoxScheduleDays->currentIndex()));
1038
1039     session->setUTPRateLimited(m_ui->checkLimituTPConnections->isChecked());
1040     session->setIncludeOverheadInLimits(m_ui->checkLimitTransportOverhead->isChecked());
1041     session->setIgnoreLimitsOnLAN(!m_ui->checkLimitLocalPeerRate->isChecked());
1042 }
1043
1044 void OptionsDialog::loadBittorrentTabOptions()
1045 {
1046     const auto *session = BitTorrent::Session::instance();
1047
1048     m_ui->checkDHT->setChecked(session->isDHTEnabled());
1049     m_ui->checkPeX->setChecked(session->isPeXEnabled());
1050     m_ui->checkLSD->setChecked(session->isLSDEnabled());
1051     m_ui->comboEncryption->setCurrentIndex(session->encryption());
1052     m_ui->checkAnonymousMode->setChecked(session->isAnonymousModeEnabled());
1053
1054     m_ui->spinBoxMaxActiveCheckingTorrents->setValue(session->maxActiveCheckingTorrents());
1055
1056     m_ui->checkEnableQueueing->setChecked(session->isQueueingSystemEnabled());
1057     m_ui->spinMaxActiveDownloads->setValue(session->maxActiveDownloads());
1058     m_ui->spinMaxActiveUploads->setValue(session->maxActiveUploads());
1059     m_ui->spinMaxActiveTorrents->setValue(session->maxActiveTorrents());
1060
1061     m_ui->checkIgnoreSlowTorrentsForQueueing->setChecked(session->ignoreSlowTorrentsForQueueing());
1062     const QString slowTorrentsExplanation = u"<html><body><p>"
1063             + tr("A torrent will be considered slow if its download and upload rates stay below these values for \"Torrent inactivity timer\" seconds")
1064             + u"</p></body></html>";
1065     m_ui->labelDownloadRateForSlowTorrents->setToolTip(slowTorrentsExplanation);
1066     m_ui->labelUploadRateForSlowTorrents->setToolTip(slowTorrentsExplanation);
1067     m_ui->labelSlowTorrentInactivityTimer->setToolTip(slowTorrentsExplanation);
1068     m_ui->spinDownloadRateForSlowTorrents->setValue(session->downloadRateForSlowTorrents());
1069     m_ui->spinUploadRateForSlowTorrents->setValue(session->uploadRateForSlowTorrents());
1070     m_ui->spinSlowTorrentsInactivityTimer->setValue(session->slowTorrentsInactivityTimer());
1071
1072     if (session->globalMaxRatio() >= 0.)
1073     {
1074         // Enable
1075         m_ui->checkMaxRatio->setChecked(true);
1076         m_ui->spinMaxRatio->setEnabled(true);
1077         m_ui->comboRatioLimitAct->setEnabled(true);
1078         m_ui->spinMaxRatio->setValue(session->globalMaxRatio());
1079     }
1080     else
1081     {
1082         // Disable
1083         m_ui->checkMaxRatio->setChecked(false);
1084         m_ui->spinMaxRatio->setEnabled(false);
1085     }
1086     if (session->globalMaxSeedingMinutes() >= 0)
1087     {
1088         // Enable
1089         m_ui->checkMaxSeedingMinutes->setChecked(true);
1090         m_ui->spinMaxSeedingMinutes->setEnabled(true);
1091         m_ui->spinMaxSeedingMinutes->setValue(session->globalMaxSeedingMinutes());
1092     }
1093     else
1094     {
1095         // Disable
1096         m_ui->checkMaxSeedingMinutes->setChecked(false);
1097         m_ui->spinMaxSeedingMinutes->setEnabled(false);
1098     }
1099     if (session->globalMaxInactiveSeedingMinutes() >= 0)
1100     {
1101         // Enable
1102         m_ui->checkMaxInactiveSeedingMinutes->setChecked(true);
1103         m_ui->spinMaxInactiveSeedingMinutes->setEnabled(true);
1104         m_ui->spinMaxInactiveSeedingMinutes->setValue(session->globalMaxInactiveSeedingMinutes());
1105     }
1106     else
1107     {
1108         // Disable
1109         m_ui->checkMaxInactiveSeedingMinutes->setChecked(false);
1110         m_ui->spinMaxInactiveSeedingMinutes->setEnabled(false);
1111     }
1112     m_ui->comboRatioLimitAct->setEnabled((session->globalMaxSeedingMinutes() >= 0) || (session->globalMaxRatio() >= 0.) || (session->globalMaxInactiveSeedingMinutes() >= 0));
1113
1114     const QHash<BitTorrent::ShareLimitAction, int> actIndex =
1115     {
1116                                                                {BitTorrent::ShareLimitAction::Stop, 0},
1117         {BitTorrent::ShareLimitAction::Remove, 1},
1118         {BitTorrent::ShareLimitAction::RemoveWithContent, 2},
1119         {BitTorrent::ShareLimitAction::EnableSuperSeeding, 3}
1120     };
1121     m_ui->comboRatioLimitAct->setCurrentIndex(actIndex.value(session->shareLimitAction()));
1122
1123     m_ui->checkEnableAddTrackers->setChecked(session->isAddTrackersEnabled());
1124     m_ui->textTrackers->setPlainText(session->additionalTrackers());
1125
1126     connect(m_ui->checkDHT, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1127     connect(m_ui->checkPeX, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1128     connect(m_ui->checkLSD, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1129     connect(m_ui->comboEncryption, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
1130     connect(m_ui->checkAnonymousMode, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1131
1132     connect(m_ui->spinBoxMaxActiveCheckingTorrents, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1133
1134     connect(m_ui->checkEnableQueueing, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1135     connect(m_ui->spinMaxActiveDownloads, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1136     connect(m_ui->spinMaxActiveUploads, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1137     connect(m_ui->spinMaxActiveTorrents, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1138     connect(m_ui->checkIgnoreSlowTorrentsForQueueing, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1139     connect(m_ui->spinDownloadRateForSlowTorrents, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1140     connect(m_ui->spinUploadRateForSlowTorrents, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1141     connect(m_ui->spinSlowTorrentsInactivityTimer, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1142
1143     connect(m_ui->checkMaxRatio, &QAbstractButton::toggled, m_ui->spinMaxRatio, &QWidget::setEnabled);
1144     connect(m_ui->checkMaxRatio, &QAbstractButton::toggled, this, &ThisType::toggleComboRatioLimitAct);
1145     connect(m_ui->checkMaxRatio, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1146     connect(m_ui->spinMaxRatio, qOverload<double>(&QDoubleSpinBox::valueChanged),this, &ThisType::enableApplyButton);
1147     connect(m_ui->comboRatioLimitAct, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
1148     connect(m_ui->checkMaxSeedingMinutes, &QAbstractButton::toggled, m_ui->spinMaxSeedingMinutes, &QWidget::setEnabled);
1149     connect(m_ui->checkMaxSeedingMinutes, &QAbstractButton::toggled, this, &ThisType::toggleComboRatioLimitAct);
1150     connect(m_ui->checkMaxSeedingMinutes, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1151     connect(m_ui->spinMaxSeedingMinutes, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1152     connect(m_ui->checkMaxInactiveSeedingMinutes, &QAbstractButton::toggled, m_ui->spinMaxInactiveSeedingMinutes, &QWidget::setEnabled);
1153     connect(m_ui->checkMaxInactiveSeedingMinutes, &QAbstractButton::toggled, this, &ThisType::toggleComboRatioLimitAct);
1154     connect(m_ui->checkMaxInactiveSeedingMinutes, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1155     connect(m_ui->spinMaxInactiveSeedingMinutes, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1156
1157     connect(m_ui->checkEnableAddTrackers, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1158     connect(m_ui->textTrackers, &QPlainTextEdit::textChanged, this, &ThisType::enableApplyButton);
1159 }
1160
1161 void OptionsDialog::saveBittorrentTabOptions() const
1162 {
1163     auto *session = BitTorrent::Session::instance();
1164
1165     session->setDHTEnabled(isDHTEnabled());
1166     session->setPeXEnabled(m_ui->checkPeX->isChecked());
1167     session->setLSDEnabled(isLSDEnabled());
1168     session->setEncryption(getEncryptionSetting());
1169     session->setAnonymousModeEnabled(m_ui->checkAnonymousMode->isChecked());
1170
1171     session->setMaxActiveCheckingTorrents(m_ui->spinBoxMaxActiveCheckingTorrents->value());
1172     // Queueing system
1173     session->setQueueingSystemEnabled(isQueueingSystemEnabled());
1174     session->setMaxActiveDownloads(m_ui->spinMaxActiveDownloads->value());
1175     session->setMaxActiveUploads(m_ui->spinMaxActiveUploads->value());
1176     session->setMaxActiveTorrents(m_ui->spinMaxActiveTorrents->value());
1177     session->setIgnoreSlowTorrentsForQueueing(m_ui->checkIgnoreSlowTorrentsForQueueing->isChecked());
1178     session->setDownloadRateForSlowTorrents(m_ui->spinDownloadRateForSlowTorrents->value());
1179     session->setUploadRateForSlowTorrents(m_ui->spinUploadRateForSlowTorrents->value());
1180     session->setSlowTorrentsInactivityTimer(m_ui->spinSlowTorrentsInactivityTimer->value());
1181
1182     session->setGlobalMaxRatio(getMaxRatio());
1183     session->setGlobalMaxSeedingMinutes(getMaxSeedingMinutes());
1184     session->setGlobalMaxInactiveSeedingMinutes(getMaxInactiveSeedingMinutes());
1185     const QVector<BitTorrent::ShareLimitAction> actIndex =
1186     {
1187         BitTorrent::ShareLimitAction::Stop,
1188         BitTorrent::ShareLimitAction::Remove,
1189         BitTorrent::ShareLimitAction::RemoveWithContent,
1190         BitTorrent::ShareLimitAction::EnableSuperSeeding
1191     };
1192     session->setShareLimitAction(actIndex.value(m_ui->comboRatioLimitAct->currentIndex()));
1193
1194     session->setAddTrackersEnabled(m_ui->checkEnableAddTrackers->isChecked());
1195     session->setAdditionalTrackers(m_ui->textTrackers->toPlainText());
1196 }
1197
1198 void OptionsDialog::loadRSSTabOptions()
1199 {
1200     const auto *rssSession = RSS::Session::instance();
1201     const auto *autoDownloader = RSS::AutoDownloader::instance();
1202
1203     m_ui->checkRSSEnable->setChecked(rssSession->isProcessingEnabled());
1204     m_ui->spinRSSRefreshInterval->setValue(rssSession->refreshInterval());
1205     m_ui->spinRSSFetchDelay->setValue(rssSession->fetchDelay().count());
1206     m_ui->spinRSSMaxArticlesPerFeed->setValue(rssSession->maxArticlesPerFeed());
1207     m_ui->checkRSSAutoDownloaderEnable->setChecked(autoDownloader->isProcessingEnabled());
1208     m_ui->textSmartEpisodeFilters->setPlainText(autoDownloader->smartEpisodeFilters().join(u'\n'));
1209     m_ui->checkSmartFilterDownloadRepacks->setChecked(autoDownloader->downloadRepacks());
1210
1211     connect(m_ui->checkRSSEnable, &QCheckBox::toggled, this, &OptionsDialog::enableApplyButton);
1212     connect(m_ui->checkRSSAutoDownloaderEnable, &QCheckBox::toggled, this, &OptionsDialog::enableApplyButton);
1213     connect(m_ui->btnEditRules, &QPushButton::clicked, this, [this]()
1214     {
1215         auto *downloader = new AutomatedRssDownloader(this);
1216         downloader->setAttribute(Qt::WA_DeleteOnClose);
1217         downloader->open();
1218     });
1219     connect(m_ui->textSmartEpisodeFilters, &QPlainTextEdit::textChanged, this, &OptionsDialog::enableApplyButton);
1220     connect(m_ui->checkSmartFilterDownloadRepacks, &QCheckBox::toggled, this, &OptionsDialog::enableApplyButton);
1221     connect(m_ui->spinRSSRefreshInterval, qSpinBoxValueChanged, this, &OptionsDialog::enableApplyButton);
1222     connect(m_ui->spinRSSFetchDelay, qSpinBoxValueChanged, this, &OptionsDialog::enableApplyButton);
1223     connect(m_ui->spinRSSMaxArticlesPerFeed, qSpinBoxValueChanged, this, &OptionsDialog::enableApplyButton);
1224 }
1225
1226 void OptionsDialog::saveRSSTabOptions() const
1227 {
1228     auto *rssSession = RSS::Session::instance();
1229     auto *autoDownloader = RSS::AutoDownloader::instance();
1230
1231     rssSession->setProcessingEnabled(m_ui->checkRSSEnable->isChecked());
1232     rssSession->setRefreshInterval(m_ui->spinRSSRefreshInterval->value());
1233     rssSession->setFetchDelay(std::chrono::seconds(m_ui->spinRSSFetchDelay->value()));
1234     rssSession->setMaxArticlesPerFeed(m_ui->spinRSSMaxArticlesPerFeed->value());
1235     autoDownloader->setProcessingEnabled(m_ui->checkRSSAutoDownloaderEnable->isChecked());
1236     autoDownloader->setSmartEpisodeFilters(m_ui->textSmartEpisodeFilters->toPlainText().split(u'\n', Qt::SkipEmptyParts));
1237     autoDownloader->setDownloadRepacks(m_ui->checkSmartFilterDownloadRepacks->isChecked());
1238 }
1239
1240 #ifndef DISABLE_WEBUI
1241 void OptionsDialog::loadWebUITabOptions()
1242 {
1243     const auto *pref = Preferences::instance();
1244
1245     m_ui->textWebUIHttpsCert->setMode(FileSystemPathEdit::Mode::FileOpen);
1246     m_ui->textWebUIHttpsCert->setFileNameFilter(tr("Certificate") + u" (*.cer *.crt *.pem)");
1247     m_ui->textWebUIHttpsCert->setDialogCaption(tr("Select certificate"));
1248     m_ui->textWebUIHttpsKey->setMode(FileSystemPathEdit::Mode::FileOpen);
1249     m_ui->textWebUIHttpsKey->setFileNameFilter(tr("Private key") + u" (*.key *.pem)");
1250     m_ui->textWebUIHttpsKey->setDialogCaption(tr("Select private key"));
1251     m_ui->textWebUIRootFolder->setMode(FileSystemPathEdit::Mode::DirectoryOpen);
1252     m_ui->textWebUIRootFolder->setDialogCaption(tr("Choose Alternative UI files location"));
1253
1254     if (app()->webUI()->isErrored())
1255         m_ui->labelWebUIError->setText(tr("WebUI configuration failed. Reason: %1").arg(app()->webUI()->errorMessage()));
1256     else
1257         m_ui->labelWebUIError->hide();
1258
1259     m_ui->checkWebUI->setChecked(pref->isWebUIEnabled());
1260     m_ui->textWebUIAddress->setText(pref->getWebUIAddress());
1261     m_ui->spinWebUIPort->setValue(pref->getWebUIPort());
1262     m_ui->checkWebUIUPnP->setChecked(pref->useUPnPForWebUIPort());
1263     m_ui->checkWebUIHttps->setChecked(pref->isWebUIHttpsEnabled());
1264     webUIHttpsCertChanged(pref->getWebUIHttpsCertificatePath());
1265     webUIHttpsKeyChanged(pref->getWebUIHttpsKeyPath());
1266     m_ui->textWebUIUsername->setText(pref->getWebUIUsername());
1267     m_ui->checkBypassLocalAuth->setChecked(!pref->isWebUILocalAuthEnabled());
1268     m_ui->checkBypassAuthSubnetWhitelist->setChecked(pref->isWebUIAuthSubnetWhitelistEnabled());
1269     m_ui->IPSubnetWhitelistButton->setEnabled(m_ui->checkBypassAuthSubnetWhitelist->isChecked());
1270     m_ui->spinBanCounter->setValue(pref->getWebUIMaxAuthFailCount());
1271     m_ui->spinBanDuration->setValue(pref->getWebUIBanDuration().count());
1272     m_ui->spinSessionTimeout->setValue(pref->getWebUISessionTimeout());
1273     // Alternative UI
1274     m_ui->groupAltWebUI->setChecked(pref->isAltWebUIEnabled());
1275     m_ui->textWebUIRootFolder->setSelectedPath(pref->getWebUIRootFolder());
1276     // Security
1277     m_ui->checkClickjacking->setChecked(pref->isWebUIClickjackingProtectionEnabled());
1278     m_ui->checkCSRFProtection->setChecked(pref->isWebUICSRFProtectionEnabled());
1279     m_ui->checkSecureCookie->setEnabled(pref->isWebUIHttpsEnabled());
1280     m_ui->checkSecureCookie->setChecked(pref->isWebUISecureCookieEnabled());
1281     m_ui->groupHostHeaderValidation->setChecked(pref->isWebUIHostHeaderValidationEnabled());
1282     m_ui->textServerDomains->setText(pref->getServerDomains());
1283     // Custom HTTP headers
1284     m_ui->groupWebUIAddCustomHTTPHeaders->setChecked(pref->isWebUICustomHTTPHeadersEnabled());
1285     m_ui->textWebUICustomHTTPHeaders->setPlainText(pref->getWebUICustomHTTPHeaders());
1286     // Reverse proxy
1287     m_ui->groupEnableReverseProxySupport->setChecked(pref->isWebUIReverseProxySupportEnabled());
1288     m_ui->textTrustedReverseProxiesList->setText(pref->getWebUITrustedReverseProxiesList());
1289     // DynDNS
1290     m_ui->checkDynDNS->setChecked(pref->isDynDNSEnabled());
1291     m_ui->comboDNSService->setCurrentIndex(static_cast<int>(pref->getDynDNSService()));
1292     m_ui->domainNameTxt->setText(pref->getDynDomainName());
1293     m_ui->DNSUsernameTxt->setText(pref->getDynDNSUsername());
1294     m_ui->DNSPasswordTxt->setText(pref->getDynDNSPassword());
1295
1296     connect(m_ui->checkWebUI, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1297     connect(m_ui->textWebUIAddress, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1298     connect(m_ui->spinWebUIPort, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1299     connect(m_ui->checkWebUIUPnP, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1300     connect(m_ui->checkWebUIHttps, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1301     connect(m_ui->textWebUIHttpsCert, &FileSystemPathLineEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
1302     connect(m_ui->textWebUIHttpsCert, &FileSystemPathLineEdit::selectedPathChanged, this, &OptionsDialog::webUIHttpsCertChanged);
1303     connect(m_ui->textWebUIHttpsKey, &FileSystemPathLineEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
1304     connect(m_ui->textWebUIHttpsKey, &FileSystemPathLineEdit::selectedPathChanged, this, &OptionsDialog::webUIHttpsKeyChanged);
1305
1306     connect(m_ui->textWebUIUsername, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1307     connect(m_ui->textWebUIPassword, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1308
1309     connect(m_ui->checkBypassLocalAuth, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1310     connect(m_ui->checkBypassAuthSubnetWhitelist, &QAbstractButton::toggled, this, &ThisType::enableApplyButton);
1311     connect(m_ui->checkBypassAuthSubnetWhitelist, &QAbstractButton::toggled, m_ui->IPSubnetWhitelistButton, &QWidget::setEnabled);
1312     connect(m_ui->spinBanCounter, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1313     connect(m_ui->spinBanDuration, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1314     connect(m_ui->spinSessionTimeout, qSpinBoxValueChanged, this, &ThisType::enableApplyButton);
1315
1316     connect(m_ui->groupAltWebUI, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1317     connect(m_ui->textWebUIRootFolder, &FileSystemPathLineEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
1318
1319     connect(m_ui->checkClickjacking, &QCheckBox::toggled, this, &ThisType::enableApplyButton);
1320     connect(m_ui->checkCSRFProtection, &QCheckBox::toggled, this, &ThisType::enableApplyButton);
1321     connect(m_ui->checkWebUIHttps, &QGroupBox::toggled, m_ui->checkSecureCookie, &QWidget::setEnabled);
1322     connect(m_ui->checkSecureCookie, &QCheckBox::toggled, this, &ThisType::enableApplyButton);
1323     connect(m_ui->groupHostHeaderValidation, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1324     connect(m_ui->textServerDomains, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1325
1326     connect(m_ui->groupWebUIAddCustomHTTPHeaders, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1327     connect(m_ui->textWebUICustomHTTPHeaders, &QPlainTextEdit::textChanged, this, &OptionsDialog::enableApplyButton);
1328
1329     connect(m_ui->groupEnableReverseProxySupport, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1330     connect(m_ui->textTrustedReverseProxiesList, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1331
1332     connect(m_ui->checkDynDNS, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
1333     connect(m_ui->comboDNSService, qComboBoxCurrentIndexChanged, this, &ThisType::enableApplyButton);
1334     connect(m_ui->domainNameTxt, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1335     connect(m_ui->DNSUsernameTxt, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1336     connect(m_ui->DNSPasswordTxt, &QLineEdit::textChanged, this, &ThisType::enableApplyButton);
1337 }
1338
1339 void OptionsDialog::saveWebUITabOptions() const
1340 {
1341     auto *pref = Preferences::instance();
1342
1343     const bool webUIEnabled = isWebUIEnabled();
1344
1345     pref->setWebUIEnabled(webUIEnabled);
1346     pref->setWebUIAddress(m_ui->textWebUIAddress->text());
1347     pref->setWebUIPort(m_ui->spinWebUIPort->value());
1348     pref->setUPnPForWebUIPort(m_ui->checkWebUIUPnP->isChecked());
1349     pref->setWebUIHttpsEnabled(m_ui->checkWebUIHttps->isChecked());
1350     pref->setWebUIHttpsCertificatePath(m_ui->textWebUIHttpsCert->selectedPath());
1351     pref->setWebUIHttpsKeyPath(m_ui->textWebUIHttpsKey->selectedPath());
1352     pref->setWebUIMaxAuthFailCount(m_ui->spinBanCounter->value());
1353     pref->setWebUIBanDuration(std::chrono::seconds {m_ui->spinBanDuration->value()});
1354     pref->setWebUISessionTimeout(m_ui->spinSessionTimeout->value());
1355     // Authentication
1356     if (const QString username = webUIUsername(); isValidWebUIUsername(username))
1357         pref->setWebUIUsername(username);
1358     if (const QString password = webUIPassword(); isValidWebUIPassword(password))
1359         pref->setWebUIPassword(Utils::Password::PBKDF2::generate(password));
1360     pref->setWebUILocalAuthEnabled(!m_ui->checkBypassLocalAuth->isChecked());
1361     pref->setWebUIAuthSubnetWhitelistEnabled(m_ui->checkBypassAuthSubnetWhitelist->isChecked());
1362     // Alternative UI
1363     pref->setAltWebUIEnabled(m_ui->groupAltWebUI->isChecked());
1364     pref->setWebUIRootFolder(m_ui->textWebUIRootFolder->selectedPath());
1365     // Security
1366     pref->setWebUIClickjackingProtectionEnabled(m_ui->checkClickjacking->isChecked());
1367     pref->setWebUICSRFProtectionEnabled(m_ui->checkCSRFProtection->isChecked());
1368     pref->setWebUISecureCookieEnabled(m_ui->checkSecureCookie->isChecked());
1369     pref->setWebUIHostHeaderValidationEnabled(m_ui->groupHostHeaderValidation->isChecked());
1370     pref->setServerDomains(m_ui->textServerDomains->text());
1371     // Custom HTTP headers
1372     pref->setWebUICustomHTTPHeadersEnabled(m_ui->groupWebUIAddCustomHTTPHeaders->isChecked());
1373     pref->setWebUICustomHTTPHeaders(m_ui->textWebUICustomHTTPHeaders->toPlainText());
1374     // Reverse proxy
1375     pref->setWebUIReverseProxySupportEnabled(m_ui->groupEnableReverseProxySupport->isChecked());
1376     pref->setWebUITrustedReverseProxiesList(m_ui->textTrustedReverseProxiesList->text());
1377     // DynDNS
1378     pref->setDynDNSEnabled(m_ui->checkDynDNS->isChecked());
1379     pref->setDynDNSService(static_cast<DNS::Service>(m_ui->comboDNSService->currentIndex()));
1380     pref->setDynDomainName(m_ui->domainNameTxt->text());
1381     pref->setDynDNSUsername(m_ui->DNSUsernameTxt->text());
1382     pref->setDynDNSPassword(m_ui->DNSPasswordTxt->text());
1383 }
1384 #endif // DISABLE_WEBUI
1385
1386 void OptionsDialog::initializeLanguageCombo()
1387 {
1388     // List language files
1389     const QStringList langFiles = QDir(u":/lang"_s).entryList({u"qbittorrent_*.qm"_s}, QDir::Files, QDir::Name);
1390     for (const QString &langFile : langFiles)
1391     {
1392         const QString langCode = QStringView(langFile).sliced(12).chopped(3).toString(); // remove "qbittorrent_" and ".qm"
1393         m_ui->comboI18n->addItem(Utils::Misc::languageToLocalizedString(langCode), langCode);
1394     }
1395 }
1396
1397 void OptionsDialog::changePage(QListWidgetItem *current, QListWidgetItem *previous)
1398 {
1399     if (!current)
1400         current = previous;
1401     m_ui->tabOption->setCurrentIndex(m_ui->tabSelection->row(current));
1402 }
1403
1404 void OptionsDialog::loadSplitterState()
1405 {
1406     // width has been modified, use height as width reference instead
1407     const int width = m_ui->tabSelection->item(TAB_UI)->sizeHint().height() * 2;
1408     const QStringList defaultSizes = {QString::number(width), QString::number(m_ui->hsplitter->width() - width)};
1409
1410     QList<int> splitterSizes;
1411     for (const QString &string : asConst(m_storeHSplitterSize.get(defaultSizes)))
1412         splitterSizes.append(string.toInt());
1413
1414     m_ui->hsplitter->setSizes(splitterSizes);
1415 }
1416
1417 void OptionsDialog::showEvent(QShowEvent *e)
1418 {
1419     QDialog::showEvent(e);
1420
1421     loadSplitterState();
1422 }
1423
1424 void OptionsDialog::saveOptions() const
1425 {
1426     auto *pref = Preferences::instance();
1427
1428     saveBehaviorTabOptions();
1429     saveDownloadsTabOptions();
1430     saveConnectionTabOptions();
1431     saveSpeedTabOptions();
1432     saveBittorrentTabOptions();
1433     saveRSSTabOptions();
1434 #ifndef DISABLE_WEBUI
1435     saveWebUITabOptions();
1436 #endif
1437     m_advancedSettings->saveAdvancedSettings();
1438
1439     // Assume that user changed multiple settings
1440     // so it's best to save immediately
1441     pref->apply();
1442 }
1443
1444 bool OptionsDialog::isIPFilteringEnabled() const
1445 {
1446     return m_ui->checkIPFilter->isChecked();
1447 }
1448
1449 Net::ProxyType OptionsDialog::getProxyType() const
1450 {
1451     return m_ui->comboProxyType->currentData().value<Net::ProxyType>();
1452 }
1453
1454 int OptionsDialog::getPort() const
1455 {
1456     return m_ui->spinPort->value();
1457 }
1458
1459 void OptionsDialog::on_randomButton_clicked()
1460 {
1461     // Range [1024: 65535]
1462     m_ui->spinPort->setValue(Utils::Random::rand(1024, 65535));
1463 }
1464
1465 int OptionsDialog::getEncryptionSetting() const
1466 {
1467     return m_ui->comboEncryption->currentIndex();
1468 }
1469
1470 int OptionsDialog::getMaxActiveDownloads() const
1471 {
1472     return m_ui->spinMaxActiveDownloads->value();
1473 }
1474
1475 int OptionsDialog::getMaxActiveUploads() const
1476 {
1477     return m_ui->spinMaxActiveUploads->value();
1478 }
1479
1480 int OptionsDialog::getMaxActiveTorrents() const
1481 {
1482     return m_ui->spinMaxActiveTorrents->value();
1483 }
1484
1485 bool OptionsDialog::isQueueingSystemEnabled() const
1486 {
1487     return m_ui->checkEnableQueueing->isChecked();
1488 }
1489
1490 bool OptionsDialog::isDHTEnabled() const
1491 {
1492     return m_ui->checkDHT->isChecked();
1493 }
1494
1495 bool OptionsDialog::isLSDEnabled() const
1496 {
1497     return m_ui->checkLSD->isChecked();
1498 }
1499
1500 bool OptionsDialog::isUPnPEnabled() const
1501 {
1502     return m_ui->checkUPnP->isChecked();
1503 }
1504
1505 // Return Share ratio
1506 qreal OptionsDialog::getMaxRatio() const
1507 {
1508     if (m_ui->checkMaxRatio->isChecked())
1509         return m_ui->spinMaxRatio->value();
1510     return -1;
1511 }
1512
1513 // Return Seeding Minutes
1514 int OptionsDialog::getMaxSeedingMinutes() const
1515 {
1516     if (m_ui->checkMaxSeedingMinutes->isChecked())
1517         return m_ui->spinMaxSeedingMinutes->value();
1518     return -1;
1519 }
1520
1521 // Return Inactive Seeding Minutes
1522 int OptionsDialog::getMaxInactiveSeedingMinutes() const
1523 {
1524     return m_ui->checkMaxInactiveSeedingMinutes->isChecked()
1525         ? m_ui->spinMaxInactiveSeedingMinutes->value()
1526         : -1;
1527 }
1528
1529 // Return max connections number
1530 int OptionsDialog::getMaxConnections() const
1531 {
1532     if (!m_ui->checkMaxConnections->isChecked())
1533         return -1;
1534
1535     return m_ui->spinMaxConnec->value();
1536 }
1537
1538 int OptionsDialog::getMaxConnectionsPerTorrent() const
1539 {
1540     if (!m_ui->checkMaxConnectionsPerTorrent->isChecked())
1541         return -1;
1542
1543     return m_ui->spinMaxConnecPerTorrent->value();
1544 }
1545
1546 int OptionsDialog::getMaxUploads() const
1547 {
1548     if (!m_ui->checkMaxUploads->isChecked())
1549         return -1;
1550
1551     return m_ui->spinMaxUploads->value();
1552 }
1553
1554 int OptionsDialog::getMaxUploadsPerTorrent() const
1555 {
1556     if (!m_ui->checkMaxUploadsPerTorrent->isChecked())
1557         return -1;
1558
1559     return m_ui->spinMaxUploadsPerTorrent->value();
1560 }
1561
1562 void OptionsDialog::on_buttonBox_accepted()
1563 {
1564     if (m_applyButton->isEnabled())
1565     {
1566         if (!applySettings())
1567             return;
1568
1569         m_applyButton->setEnabled(false);
1570     }
1571
1572     accept();
1573 }
1574
1575 bool OptionsDialog::applySettings()
1576 {
1577     if (!schedTimesOk())
1578     {
1579         m_ui->tabSelection->setCurrentRow(TAB_SPEED);
1580         return false;
1581     }
1582 #ifndef DISABLE_WEBUI
1583     if (isWebUIEnabled() && !webUIAuthenticationOk())
1584     {
1585         m_ui->tabSelection->setCurrentRow(TAB_WEBUI);
1586         return false;
1587     }
1588     if (!isAlternativeWebUIPathValid())
1589     {
1590         m_ui->tabSelection->setCurrentRow(TAB_WEBUI);
1591         return false;
1592     }
1593 #endif
1594
1595     saveOptions();
1596     return true;
1597 }
1598
1599 void OptionsDialog::on_buttonBox_rejected()
1600 {
1601     reject();
1602 }
1603
1604 bool OptionsDialog::useAdditionDialog() const
1605 {
1606     return m_ui->checkAdditionDialog->isChecked();
1607 }
1608
1609 void OptionsDialog::enableApplyButton()
1610 {
1611     m_applyButton->setEnabled(true);
1612 }
1613
1614 void OptionsDialog::toggleComboRatioLimitAct()
1615 {
1616     // Verify if the share action button must be enabled
1617     m_ui->comboRatioLimitAct->setEnabled(m_ui->checkMaxRatio->isChecked() || m_ui->checkMaxSeedingMinutes->isChecked() || m_ui->checkMaxInactiveSeedingMinutes->isChecked());
1618 }
1619
1620 void OptionsDialog::adjustProxyOptions()
1621 {
1622     const auto currentProxyType = m_ui->comboProxyType->currentData().value<Net::ProxyType>();
1623     const bool isAuthSupported = ((currentProxyType == Net::ProxyType::SOCKS5)
1624             || (currentProxyType == Net::ProxyType::HTTP));
1625
1626     m_ui->checkProxyAuth->setEnabled(isAuthSupported);
1627
1628     if (currentProxyType == Net::ProxyType::None)
1629     {
1630         m_ui->labelProxyTypeIncompatible->setVisible(false);
1631
1632         m_ui->lblProxyIP->setEnabled(false);
1633         m_ui->textProxyIP->setEnabled(false);
1634         m_ui->lblProxyPort->setEnabled(false);
1635         m_ui->spinProxyPort->setEnabled(false);
1636
1637         m_ui->checkProxyHostnameLookup->setEnabled(false);
1638         m_ui->checkProxyRSS->setEnabled(false);
1639         m_ui->checkProxyMisc->setEnabled(false);
1640         m_ui->checkProxyBitTorrent->setEnabled(false);
1641         m_ui->checkProxyPeerConnections->setEnabled(false);
1642     }
1643     else
1644     {
1645         m_ui->lblProxyIP->setEnabled(true);
1646         m_ui->textProxyIP->setEnabled(true);
1647         m_ui->lblProxyPort->setEnabled(true);
1648         m_ui->spinProxyPort->setEnabled(true);
1649
1650         m_ui->checkProxyBitTorrent->setEnabled(true);
1651         m_ui->checkProxyPeerConnections->setEnabled(true);
1652
1653         if (currentProxyType == Net::ProxyType::SOCKS4)
1654         {
1655             m_ui->labelProxyTypeIncompatible->setVisible(true);
1656
1657             m_ui->checkProxyHostnameLookup->setEnabled(false);
1658             m_ui->checkProxyRSS->setEnabled(false);
1659             m_ui->checkProxyMisc->setEnabled(false);
1660         }
1661         else
1662         {
1663             // SOCKS5 or HTTP
1664             m_ui->labelProxyTypeIncompatible->setVisible(false);
1665
1666             m_ui->checkProxyHostnameLookup->setEnabled(true);
1667             m_ui->checkProxyRSS->setEnabled(true);
1668             m_ui->checkProxyMisc->setEnabled(true);
1669         }
1670     }
1671 }
1672
1673 bool OptionsDialog::isSplashScreenDisabled() const
1674 {
1675     return !m_ui->checkShowSplash->isChecked();
1676 }
1677
1678 #ifdef Q_OS_WIN
1679 bool OptionsDialog::WinStartup() const
1680 {
1681     return m_ui->checkStartup->isChecked();
1682 }
1683 #endif
1684
1685 bool OptionsDialog::preAllocateAllFiles() const
1686 {
1687     return m_ui->checkPreallocateAll->isChecked();
1688 }
1689
1690 bool OptionsDialog::addTorrentsStopped() const
1691 {
1692     return m_ui->checkAddStopped->isChecked();
1693 }
1694
1695 // Proxy settings
1696 bool OptionsDialog::isProxyEnabled() const
1697 {
1698     return m_ui->comboProxyType->currentIndex();
1699 }
1700
1701 QString OptionsDialog::getProxyIp() const
1702 {
1703     return m_ui->textProxyIP->text().trimmed();
1704 }
1705
1706 unsigned short OptionsDialog::getProxyPort() const
1707 {
1708     return m_ui->spinProxyPort->value();
1709 }
1710
1711 QString OptionsDialog::getProxyUsername() const
1712 {
1713     QString username = m_ui->textProxyUsername->text().trimmed();
1714     return username;
1715 }
1716
1717 QString OptionsDialog::getProxyPassword() const
1718 {
1719     QString password = m_ui->textProxyPassword->text();
1720     password = password.trimmed();
1721     return password;
1722 }
1723
1724 // Locale Settings
1725 QString OptionsDialog::getLocale() const
1726 {
1727     return m_ui->comboI18n->itemData(m_ui->comboI18n->currentIndex(), Qt::UserRole).toString();
1728 }
1729
1730 void OptionsDialog::setLocale(const QString &localeStr)
1731 {
1732     QString name;
1733     if (localeStr.startsWith(u"eo", Qt::CaseInsensitive))
1734     {
1735         name = u"eo"_s;
1736     }
1737     else if (localeStr.startsWith(u"ltg", Qt::CaseInsensitive))
1738     {
1739         name = u"ltg"_s;
1740     }
1741     else
1742     {
1743         QLocale locale(localeStr);
1744         if (locale.language() == QLocale::Uzbek)
1745             name = u"uz@Latn"_s;
1746         else if (locale.language() == QLocale::Azerbaijani)
1747             name = u"az@latin"_s;
1748         else
1749             name = locale.name();
1750     }
1751     // Attempt to find exact match
1752     int index = m_ui->comboI18n->findData(name, Qt::UserRole);
1753     if (index < 0)
1754     {
1755         //Attempt to find a language match without a country
1756         int pos = name.indexOf(u'_');
1757         if (pos > -1)
1758         {
1759             QString lang = name.left(pos);
1760             index = m_ui->comboI18n->findData(lang, Qt::UserRole);
1761         }
1762     }
1763     if (index < 0)
1764     {
1765         // Unrecognized, use US English
1766         index = m_ui->comboI18n->findData(u"en"_s, Qt::UserRole);
1767         Q_ASSERT(index >= 0);
1768     }
1769     m_ui->comboI18n->setCurrentIndex(index);
1770 }
1771
1772 Path OptionsDialog::getTorrentExportDir() const
1773 {
1774     if (m_ui->checkExportDir->isChecked())
1775         return m_ui->textExportDir->selectedPath();
1776     return {};
1777 }
1778
1779 Path OptionsDialog::getFinishedTorrentExportDir() const
1780 {
1781     if (m_ui->checkExportDirFin->isChecked())
1782         return m_ui->textExportDirFin->selectedPath();
1783     return {};
1784 }
1785
1786 void OptionsDialog::on_addWatchedFolderButton_clicked()
1787 {
1788     Preferences *const pref = Preferences::instance();
1789     const Path dir {QFileDialog::getExistingDirectory(
1790                 this, tr("Select folder to monitor"), pref->getScanDirsLastPath().parentPath().toString())};
1791     if (dir.isEmpty())
1792         return;
1793
1794     auto *dialog = new WatchedFolderOptionsDialog({}, this);
1795     dialog->setAttribute(Qt::WA_DeleteOnClose);
1796     connect(dialog, &QDialog::accepted, this, [this, dialog, dir, pref]()
1797     {
1798         try
1799         {
1800             auto *watchedFoldersModel = static_cast<WatchedFoldersModel *>(m_ui->scanFoldersView->model());
1801             watchedFoldersModel->addFolder(dir, dialog->watchedFolderOptions());
1802
1803             pref->setScanDirsLastPath(dir);
1804
1805             for (int i = 0; i < watchedFoldersModel->columnCount(); ++i)
1806                 m_ui->scanFoldersView->resizeColumnToContents(i);
1807
1808             enableApplyButton();
1809         }
1810         catch (const RuntimeError &err)
1811         {
1812             QMessageBox::critical(this, tr("Adding entry failed"), err.message());
1813         }
1814     });
1815
1816     dialog->open();
1817 }
1818
1819 void OptionsDialog::on_editWatchedFolderButton_clicked()
1820 {
1821     const QModelIndex selected
1822         = m_ui->scanFoldersView->selectionModel()->selectedIndexes().at(0);
1823
1824     editWatchedFolderOptions(selected);
1825 }
1826
1827 void OptionsDialog::on_removeWatchedFolderButton_clicked()
1828 {
1829     const QModelIndexList selected
1830         = m_ui->scanFoldersView->selectionModel()->selectedIndexes();
1831
1832     for (const QModelIndex &index : selected)
1833         m_ui->scanFoldersView->model()->removeRow(index.row());
1834 }
1835
1836 void OptionsDialog::handleWatchedFolderViewSelectionChanged()
1837 {
1838     const QModelIndexList selectedIndexes = m_ui->scanFoldersView->selectionModel()->selectedIndexes();
1839     m_ui->removeWatchedFolderButton->setEnabled(!selectedIndexes.isEmpty());
1840     m_ui->editWatchedFolderButton->setEnabled(selectedIndexes.count() == 1);
1841 }
1842
1843 void OptionsDialog::editWatchedFolderOptions(const QModelIndex &index)
1844 {
1845     if (!index.isValid())
1846         return;
1847
1848     auto *watchedFoldersModel = static_cast<WatchedFoldersModel *>(m_ui->scanFoldersView->model());
1849     auto *dialog = new WatchedFolderOptionsDialog(watchedFoldersModel->folderOptions(index.row()), this);
1850     dialog->setAttribute(Qt::WA_DeleteOnClose);
1851     connect(dialog, &QDialog::accepted, this, [this, dialog, index, watchedFoldersModel]()
1852     {
1853         if (index.isValid())
1854         {
1855             // The index could be invalidated while the dialog was displayed,
1856             // for example, if you deleted the folder using the Web API.
1857             watchedFoldersModel->setFolderOptions(index.row(), dialog->watchedFolderOptions());
1858             enableApplyButton();
1859         }
1860     });
1861
1862     dialog->open();
1863 }
1864
1865 // Return Filter object to apply to BT session
1866 Path OptionsDialog::getFilter() const
1867 {
1868     return m_ui->textFilterPath->selectedPath();
1869 }
1870
1871 #ifndef DISABLE_WEBUI
1872 void OptionsDialog::webUIHttpsCertChanged(const Path &path)
1873 {
1874     const auto readResult = Utils::IO::readFile(path, Utils::Net::MAX_SSL_FILE_SIZE);
1875     const bool isCertValid = !Utils::SSLKey::load(readResult.value_or(QByteArray())).isNull();
1876
1877     m_ui->textWebUIHttpsCert->setSelectedPath(path);
1878     m_ui->lblSslCertStatus->setPixmap(UIThemeManager::instance()->getScaledPixmap(
1879         (isCertValid ? u"security-high"_s : u"security-low"_s), 24));
1880 }
1881
1882 void OptionsDialog::webUIHttpsKeyChanged(const Path &path)
1883 {
1884     const auto readResult = Utils::IO::readFile(path, Utils::Net::MAX_SSL_FILE_SIZE);
1885     const bool isKeyValid = !Utils::SSLKey::load(readResult.value_or(QByteArray())).isNull();
1886
1887     m_ui->textWebUIHttpsKey->setSelectedPath(path);
1888     m_ui->lblSslKeyStatus->setPixmap(UIThemeManager::instance()->getScaledPixmap(
1889         (isKeyValid ? u"security-high"_s : u"security-low"_s), 24));
1890 }
1891
1892 bool OptionsDialog::isWebUIEnabled() const
1893 {
1894     return m_ui->checkWebUI->isChecked();
1895 }
1896
1897 QString OptionsDialog::webUIUsername() const
1898 {
1899     return m_ui->textWebUIUsername->text();
1900 }
1901
1902 QString OptionsDialog::webUIPassword() const
1903 {
1904     return m_ui->textWebUIPassword->text();
1905 }
1906
1907 bool OptionsDialog::webUIAuthenticationOk()
1908 {
1909     if (!isValidWebUIUsername(webUIUsername()))
1910     {
1911         QMessageBox::warning(this, tr("Length Error"), tr("The WebUI username must be at least 3 characters long."));
1912         return false;
1913     }
1914
1915     const bool dontChangePassword = webUIPassword().isEmpty() && !Preferences::instance()->getWebUIPassword().isEmpty();
1916     if (!isValidWebUIPassword(webUIPassword()) && !dontChangePassword)
1917     {
1918         QMessageBox::warning(this, tr("Length Error"), tr("The WebUI password must be at least 6 characters long."));
1919         return false;
1920     }
1921     return true;
1922 }
1923
1924 bool OptionsDialog::isAlternativeWebUIPathValid()
1925 {
1926     if (m_ui->groupAltWebUI->isChecked() && m_ui->textWebUIRootFolder->selectedPath().isEmpty())
1927     {
1928         QMessageBox::warning(this, tr("Location Error"), tr("The alternative WebUI files location cannot be blank."));
1929         return false;
1930     }
1931     return true;
1932 }
1933 #endif
1934
1935 void OptionsDialog::showConnectionTab()
1936 {
1937     m_ui->tabSelection->setCurrentRow(TAB_CONNECTION);
1938 }
1939
1940 #ifndef DISABLE_WEBUI
1941 void OptionsDialog::on_registerDNSBtn_clicked()
1942 {
1943     const auto service = static_cast<DNS::Service>(m_ui->comboDNSService->currentIndex());
1944     QDesktopServices::openUrl(Net::DNSUpdater::getRegistrationUrl(service));
1945 }
1946 #endif
1947
1948 void OptionsDialog::on_IpFilterRefreshBtn_clicked()
1949 {
1950     if (m_refreshingIpFilter) return;
1951     m_refreshingIpFilter = true;
1952     // Updating program preferences
1953     BitTorrent::Session *const session = BitTorrent::Session::instance();
1954     session->setIPFilteringEnabled(true);
1955     session->setIPFilterFile({}); // forcing Session reload filter file
1956     session->setIPFilterFile(getFilter());
1957     connect(session, &BitTorrent::Session::IPFilterParsed, this, &OptionsDialog::handleIPFilterParsed);
1958     setCursor(QCursor(Qt::WaitCursor));
1959 }
1960
1961 void OptionsDialog::handleIPFilterParsed(bool error, int ruleCount)
1962 {
1963     setCursor(QCursor(Qt::ArrowCursor));
1964     if (error)
1965         QMessageBox::warning(this, tr("Parsing error"), tr("Failed to parse the provided IP filter"));
1966     else
1967         QMessageBox::information(this, tr("Successfully refreshed"), tr("Successfully parsed the provided IP filter: %1 rules were applied.", "%1 is a number").arg(ruleCount));
1968     m_refreshingIpFilter = false;
1969     disconnect(BitTorrent::Session::instance(), &BitTorrent::Session::IPFilterParsed, this, &OptionsDialog::handleIPFilterParsed);
1970 }
1971
1972 bool OptionsDialog::schedTimesOk()
1973 {
1974     if (m_ui->timeEditScheduleFrom->time() == m_ui->timeEditScheduleTo->time())
1975     {
1976         QMessageBox::warning(this, tr("Time Error"), tr("The start time and the end time can't be the same."));
1977         return false;
1978     }
1979     return true;
1980 }
1981
1982 void OptionsDialog::on_banListButton_clicked()
1983 {
1984     auto *dialog = new BanListOptionsDialog(this);
1985     dialog->setAttribute(Qt::WA_DeleteOnClose);
1986     connect(dialog, &QDialog::accepted, this, &OptionsDialog::enableApplyButton);
1987     dialog->open();
1988 }
1989
1990 void OptionsDialog::on_IPSubnetWhitelistButton_clicked()
1991 {
1992     auto *dialog = new IPSubnetWhitelistOptionsDialog(this);
1993     dialog->setAttribute(Qt::WA_DeleteOnClose);
1994     connect(dialog, &QDialog::accepted, this, &OptionsDialog::enableApplyButton);
1995     dialog->open();
1996 }