Use 'auto' to avoid duplicating the type name

src/app/application.cpp

@@ -345,7 +345,7 @@ void Application::sendNotificationEmail(const BitTorrent::TorrentHandle *torrent
 
     // Send the notification email
     const Preferences *pref = Preferences::instance();
-    Net::Smtp *smtp = new Net::Smtp(this);
+    auto *smtp = new Net::Smtp(this);
     smtp->sendMail(pref->getMailNotificationSender(),
                      pref->getMailNotificationEmail(),
                      tr("[qBittorrent] '%1' has finished downloading").arg(torrent->name()),

src/base/http/server.cpp

@@ -74,7 +74,7 @@ Server::Server(IRequestHandler *requestHandler, QObject *parent)
     setProxy(QNetworkProxy::NoProxy);
     QSslSocket::setDefaultCiphers(safeCipherList());
 
-    QTimer *dropConnectionTimer = new QTimer(this);
+    auto *dropConnectionTimer = new QTimer(this);
     connect(dropConnectionTimer, &QTimer::timeout, this, &Server::dropTimedOutConnection);
     dropConnectionTimer->start(CONNECTIONS_SCAN_INTERVAL * 1000);
 }
@@ -102,7 +102,7 @@ void Server::incomingConnection(qintptr socketDescriptor)
         static_cast<QSslSocket *>(serverSocket)->startServerEncryption();
     }
 
-    Connection *c = new Connection(serverSocket, m_requestHandler, this);
+    auto *c = new Connection(serverSocket, m_requestHandler, this);
     m_connections.append(c);
 }
 

src/base/net/private/geoipdatabase.cpp

@@ -171,7 +171,7 @@ QString GeoIPDatabase::lookup(const QHostAddress &hostAddr) const
                 ptr += m_recordBytes;
 
             quint32 id = 0;
-            uchar *idPtr = reinterpret_cast<uchar *>(&id);
+            auto *idPtr = reinterpret_cast<uchar *>(&id);
             memcpy(&idPtr[4 - m_recordBytes], ptr, m_recordBytes);
             fromBigEndian(idPtr, 4);
 
@@ -298,7 +298,7 @@ QVariantHash GeoIPDatabase::readMetadata() const
     if (index >= 0) {
         if (m_size > MAX_METADATA_SIZE)
             index += (m_size - MAX_METADATA_SIZE); // from begin of all data
-        quint32 offset = static_cast<quint32>(index + strlen(METADATA_BEGIN_MARK));
+        auto offset = static_cast<quint32>(index + strlen(METADATA_BEGIN_MARK));
         QVariant metadata = readDataField(offset);
         if (metadata.userType() == QMetaType::QVariantHash)
             return metadata.toHash();

src/base/scanfoldersmodel.cpp

@@ -183,7 +183,7 @@ bool ScanFoldersModel::setData(const QModelIndex &index, const QVariant &value,
         return false;
 
     if (role == Qt::UserRole) {
-        PathType type = static_cast<PathType>(value.toInt());
+        auto type = static_cast<PathType>(value.toInt());
         if (type == CUSTOM_LOCATION)
             return false;
 

src/base/utils/misc.cpp

@@ -97,7 +97,7 @@ namespace
         if (sizeInBytes < 0) return false;
 
         int i = 0;
-        qreal rawVal = static_cast<qreal>(sizeInBytes);
+        auto rawVal = static_cast<qreal>(sizeInBytes);
 
         while ((rawVal >= 1024.) && (i <= static_cast<int>(Utils::Misc::SizeUnit::ExbiByte))) {
             rawVal /= 1024.;

src/gui/categoryfilterwidget.cpp

@@ -59,7 +59,7 @@ namespace
 CategoryFilterWidget::CategoryFilterWidget(QWidget *parent)
     : QTreeView(parent)
 {
-    CategoryFilterProxyModel *proxyModel = new CategoryFilterProxyModel(this);
+    auto *proxyModel = new CategoryFilterProxyModel(this);
     proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
     proxyModel->setSourceModel(new CategoryFilterModel(this));
     setModel(proxyModel);

src/gui/fspathedit.cpp

@@ -184,7 +184,7 @@ FileSystemPathEdit::FileSystemPathEdit(Private::FileEditorWithCompletion *editor
     Q_D(FileSystemPathEdit);
     editor->widget()->setParent(this);
 
-    QHBoxLayout *layout = new QHBoxLayout(this);
+    auto *layout = new QHBoxLayout(this);
     layout->setContentsMargins(0, 0, 0, 0);
     layout->addWidget(editor->widget());
     layout->addWidget(d->m_browseBtn);

src/gui/fspathedit_p.cpp

@@ -251,8 +251,7 @@ void Private::FileLineEdit::keyPressEvent(QKeyEvent *e)
         showCompletionPopup();
     }
 
-    const FileSystemPathValidator *validator =
+    auto *validator = qobject_cast<const FileSystemPathValidator *>(this->validator());
-        qobject_cast<const FileSystemPathValidator *>(this->validator());
     if (validator) {
         FileSystemPathValidator::TestResult lastTestResult = validator->lastTestResult();
         QValidator::State lastState = validator->lastValidationState();

src/gui/loglistwidget.cpp

@@ -78,7 +78,7 @@ void LogListWidget::keyPressEvent(QKeyEvent *event)
 
 void LogListWidget::appendLine(const QString &line, const Log::MsgType &type)
 {
-    QListWidgetItem *item = new QListWidgetItem;
+    auto *item = new QListWidgetItem;
     // We need to use QLabel here to support rich text
     QLabel *lbl = new QLabel(line);
     lbl->setContentsMargins(4, 2, 4, 2);

src/gui/mainwindow.cpp

@@ -199,7 +199,7 @@ MainWindow::MainWindow(QWidget *parent)
     m_ui->menuAutoShutdownOnDownloadsCompletion->setIcon(GuiIconProvider::instance()->getIcon("application-exit"));
     m_ui->actionManageCookies->setIcon(GuiIconProvider::instance()->getIcon("preferences-web-browser-cookies"));
 
-    QMenu *lockMenu = new QMenu(this);
+    auto *lockMenu = new QMenu(this);
     QAction *defineUiLockPasswdAct = lockMenu->addAction(tr("&Set Password"));
     connect(defineUiLockPasswdAct, &QAction::triggered, this, &MainWindow::defineUILockPassword);
     QAction *clearUiLockPasswdAct = lockMenu->addAction(tr("&Clear Password"));
@@ -222,7 +222,7 @@ MainWindow::MainWindow(QWidget *parent)
     m_splitter = new QSplitter(Qt::Horizontal, this);
     // vSplitter->setChildrenCollapsible(false);
 
-    QSplitter *hSplitter = new QSplitter(Qt::Vertical, this);
+    auto *hSplitter = new QSplitter(Qt::Vertical, this);
     hSplitter->setChildrenCollapsible(false);
     hSplitter->setFrameShape(QFrame::NoFrame);
 
@@ -380,7 +380,7 @@ MainWindow::MainWindow(QWidget *parent)
         QTimer::singleShot(0, this, &MainWindow::on_actionSearchWidget_triggered);
 
     // Auto shutdown actions
-    QActionGroup *autoShutdownGroup = new QActionGroup(this);
+    auto *autoShutdownGroup = new QActionGroup(this);
     autoShutdownGroup->setExclusive(true);
     autoShutdownGroup->addAction(m_ui->actionAutoShutdownDisabled);
     autoShutdownGroup->addAction(m_ui->actionAutoExit);
@@ -555,7 +555,7 @@ void MainWindow::addToolbarContextMenu()
     m_toolbarMenu->addAction(textBesideIcons);
     m_toolbarMenu->addAction(textUnderIcons);
     m_toolbarMenu->addAction(followSystemStyle);
-    QActionGroup *textPositionGroup = new QActionGroup(m_toolbarMenu);
+    auto *textPositionGroup = new QActionGroup(m_toolbarMenu);
     textPositionGroup->addAction(iconsOnly);
     iconsOnly->setCheckable(true);
     textPositionGroup->addAction(textOnly);
@@ -567,7 +567,7 @@ void MainWindow::addToolbarContextMenu()
     textPositionGroup->addAction(followSystemStyle);
     followSystemStyle->setCheckable(true);
 
-    const Qt::ToolButtonStyle buttonStyle = static_cast<Qt::ToolButtonStyle>(pref->getToolbarTextPosition());
+    const auto buttonStyle = static_cast<Qt::ToolButtonStyle>(pref->getToolbarTextPosition());
     if ((buttonStyle >= Qt::ToolButtonIconOnly) && (buttonStyle <= Qt::ToolButtonFollowStyle))
         m_ui->toolBar->setToolButtonStyle(buttonStyle);
     switch (buttonStyle) {
@@ -795,7 +795,7 @@ void MainWindow::cleanup()
 #endif
 
     // remove all child widgets
-    while (QWidget *w = findChild<QWidget * >())
+    while (auto *w = findChild<QWidget *>())
         delete w;
 }
 

src/gui/optionsdialog.cpp

@@ -454,7 +454,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     m_ui->textTempPath->setMode(FileSystemPathEdit::Mode::DirectorySave);
 
     // disable mouse wheel event on widgets to avoid mis-selection
-    WheelEventEater *wheelEventEater = new WheelEventEater(this);
+    auto *wheelEventEater = new WheelEventEater(this);
     for (QComboBox *widget : asConst(findChildren<QComboBox *>()))
         widget->installEventFilter(wheelEventEater);
     for (QSpinBox *widget : asConst(findChildren<QSpinBox *>()))
@@ -548,7 +548,7 @@ void OptionsDialog::saveOptions()
     // Load the translation
     QString locale = getLocale();
     if (pref->getLocale() != locale) {
-        QTranslator *translator = new QTranslator;
+        auto *translator = new QTranslator;
         if (translator->load(QLatin1String(":/lang/qbittorrent_") + locale))
             qDebug("%s locale recognized, using translation.", qUtf8Printable(locale));
         else
@@ -592,7 +592,7 @@ void OptionsDialog::saveOptions()
         m_ui->checkAssociateMagnetLinks->setEnabled(!m_ui->checkAssociateMagnetLinks->isChecked());
     }
 #endif
-    Application *const app = static_cast<Application*>(QCoreApplication::instance());
+    auto *const app = static_cast<Application *>(QCoreApplication::instance());
     app->setFileLoggerPath(m_ui->textFileLogPath->selectedPath());
     app->setFileLoggerBackup(m_ui->checkFileLogBackup->isChecked());
     app->setFileLoggerMaxSize(m_ui->spinFileLogSize->value() * 1024);

src/gui/powermanagement/powermanagement_x11.cpp

@@ -82,7 +82,7 @@ void PowerManagementInhibitor::requestIdle()
     call.setArguments(args);
 
     QDBusPendingCall pcall = QDBusConnection::sessionBus().asyncCall(call, 1000);
-    QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pcall, this);
+    auto *watcher = new QDBusPendingCallWatcher(pcall, this);
     connect(watcher, &QDBusPendingCallWatcher::finished, this, &PowerManagementInhibitor::onAsyncReply);
 }
 
@@ -119,7 +119,7 @@ void PowerManagementInhibitor::requestBusy()
     call.setArguments(args);
 
     QDBusPendingCall pcall = QDBusConnection::sessionBus().asyncCall(call, 1000);
-    QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pcall, this);
+    auto *watcher = new QDBusPendingCallWatcher(pcall, this);
     connect(watcher, &QDBusPendingCallWatcher::finished, this, &PowerManagementInhibitor::onAsyncReply);
 }
 

src/gui/properties/propertieswidget.cpp

@@ -198,7 +198,7 @@ void PropertiesWidget::showPiecesDownloaded(bool show)
 void PropertiesWidget::setVisibility(bool visible)
 {
     if (!visible && (m_state == VISIBLE)) {
-        QSplitter *hSplitter = static_cast<QSplitter *>(parentWidget());
+        auto *hSplitter = static_cast<QSplitter *>(parentWidget());
         m_ui->stackedProperties->setVisible(false);
         m_slideSizes = hSplitter->sizes();
         hSplitter->handle(1)->setVisible(false);
@@ -211,7 +211,7 @@ void PropertiesWidget::setVisibility(bool visible)
 
     if (visible && (m_state == REDUCED)) {
         m_ui->stackedProperties->setVisible(true);
-        QSplitter *hSplitter = static_cast<QSplitter *>(parentWidget());
+        auto *hSplitter = static_cast<QSplitter *>(parentWidget());
         hSplitter->handle(1)->setDisabled(false);
         hSplitter->handle(1)->setVisible(true);
         hSplitter->setSizes(m_slideSizes);
@@ -344,7 +344,7 @@ void PropertiesWidget::readSettings()
     if (sizesStr.size() == 2) {
         m_slideSizes << sizesStr.first().toInt();
         m_slideSizes << sizesStr.last().toInt();
-        QSplitter *hSplitter = static_cast<QSplitter *>(parentWidget());
+        auto *hSplitter = static_cast<QSplitter *>(parentWidget());
         hSplitter->setSizes(m_slideSizes);
     }
     const int currentTab = pref->getPropCurTab();
@@ -360,7 +360,7 @@ void PropertiesWidget::saveSettings()
     Preferences *const pref = Preferences::instance();
     pref->setPropVisible(m_state == VISIBLE);
     // Splitter sizes
-    QSplitter *hSplitter = static_cast<QSplitter *>(parentWidget());
+    auto *hSplitter = static_cast<QSplitter *>(parentWidget());
     QList<int> sizes;
     if (m_state == VISIBLE)
         sizes = hSplitter->sizes();

src/gui/properties/proplistdelegate.cpp

@@ -153,7 +153,7 @@ void PropListDelegate::paint(QPainter *painter, const QStyleOptionViewItem &opti
 
 void PropListDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
 {
-    QComboBox *combobox = static_cast<QComboBox *>(editor);
+    auto *combobox = static_cast<QComboBox *>(editor);
     // Set combobox index
     switch (static_cast<BitTorrent::FilePriority>(index.data().toInt())) {
     case BitTorrent::FilePriority::Ignored:
@@ -184,7 +184,7 @@ QWidget *PropListDelegate::createEditor(QWidget *parent, const QStyleOptionViewI
     if (index.data().toInt() == static_cast<int>(BitTorrent::FilePriority::Mixed))
         return nullptr;
 
-    QComboBox *editor = new QComboBox(parent);
+    auto *editor = new QComboBox(parent);
     editor->setFocusPolicy(Qt::StrongFocus);
     editor->addItem(tr("Do not download", "Do not download (priority)"));
     editor->addItem(tr("Normal", "Normal (priority)"));
@@ -195,7 +195,7 @@ QWidget *PropListDelegate::createEditor(QWidget *parent, const QStyleOptionViewI
 
 void PropListDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
 {
-    QComboBox *combobox = static_cast<QComboBox *>(editor);
+    auto *combobox = static_cast<QComboBox *>(editor);
     int value = combobox->currentIndex();
     qDebug("PropListDelegate: setModelData(%d)", value);
 

src/gui/rss/articlelistwidget.cpp

@@ -117,7 +117,7 @@ void ArticleListWidget::checkInvariant() const
 QListWidgetItem *ArticleListWidget::createItem(RSS::Article *article) const
 {
     Q_ASSERT(article);
-    QListWidgetItem *item = new QListWidgetItem;
+    auto *item = new QListWidgetItem;
 
     item->setData(Qt::DisplayRole, article->title());
     item->setData(Qt::UserRole, reinterpret_cast<quintptr>(article));

src/gui/rss/feedlistwidget.cpp

@@ -232,7 +232,7 @@ void FeedListWidget::dropEvent(QDropEvent *event)
 
 QTreeWidgetItem *FeedListWidget::createItem(RSS::Item *rssItem, QTreeWidgetItem *parentItem)
 {
-    QTreeWidgetItem *item = new QTreeWidgetItem;
+    auto *item = new QTreeWidgetItem;
     item->setData(0, Qt::DisplayRole, QString("%1  (%2)").arg(rssItem->name()).arg(rssItem->unreadCount()));
     item->setData(0, Qt::UserRole, reinterpret_cast<quintptr>(rssItem));
     m_rssToTreeItemMapping[rssItem] = item;

src/gui/scanfoldersdelegate.cpp

@@ -44,7 +44,7 @@ ScanFoldersDelegate::ScanFoldersDelegate(QObject *parent, QTreeView *foldersView
 
 void ScanFoldersDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
 {
-    QComboBox *combobox = static_cast<QComboBox*>(editor);
+    auto *combobox = static_cast<QComboBox*>(editor);
     // Set combobox index
     if (index.data(Qt::UserRole).toInt() == ScanFoldersModel::CUSTOM_LOCATION)
         combobox->setCurrentIndex(4); // '4' is the index of the item after the separator in the QComboBox menu
@@ -56,7 +56,7 @@ QWidget *ScanFoldersDelegate::createEditor(QWidget *parent, const QStyleOptionVi
 {
     if (index.column() != ScanFoldersModel::DOWNLOAD) return nullptr;
 
-    QComboBox *editor = new QComboBox(parent);
+    auto *editor = new QComboBox(parent);
 
     editor->setFocusPolicy(Qt::StrongFocus);
     editor->addItem(ScanFoldersModel::pathTypeDisplayName(ScanFoldersModel::DOWNLOAD_IN_WATCH_FOLDER));
@@ -75,7 +75,7 @@ QWidget *ScanFoldersDelegate::createEditor(QWidget *parent, const QStyleOptionVi
 void ScanFoldersDelegate::comboboxIndexChanged(int index)
 {
     if (index == ScanFoldersModel::CUSTOM_LOCATION) {
-        QWidget *w = static_cast<QWidget *>(sender());
+        auto *w = static_cast<QWidget *>(sender());
         if (w && w->parentWidget())
             w->parentWidget()->setFocus();
     }
@@ -83,7 +83,7 @@ void ScanFoldersDelegate::comboboxIndexChanged(int index)
 
 void ScanFoldersDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
 {
-    QComboBox *combobox = static_cast<QComboBox*>(editor);
+    auto *combobox = static_cast<QComboBox*>(editor);
     int value = combobox->currentIndex();
 
     switch (value) {

src/gui/search/pluginselectdialog.cpp

@@ -270,7 +270,7 @@ void PluginSelectDialog::loadSupportedSearchPlugins()
 
 void PluginSelectDialog::addNewPlugin(const QString &pluginName)
 {
-    QTreeWidgetItem *item = new QTreeWidgetItem(m_ui->pluginsTree);
+    auto *item = new QTreeWidgetItem(m_ui->pluginsTree);
     PluginInfo *plugin = m_pluginManager->pluginInfo(pluginName);
     item->setText(PLUGIN_NAME, plugin->fullName);
     item->setText(PLUGIN_URL, plugin->url);
@@ -326,7 +326,7 @@ void PluginSelectDialog::finishPluginUpdate()
 
 void PluginSelectDialog::on_installButton_clicked()
 {
-    PluginSourceDialog *dlg = new PluginSourceDialog(this);
+    auto *dlg = new PluginSourceDialog(this);
     connect(dlg, &PluginSourceDialog::askForLocalFile, this, &PluginSelectDialog::askForLocalPlugin);
     connect(dlg, &PluginSourceDialog::askForUrl, this, &PluginSelectDialog::askForPluginUrl);
 }

src/gui/statusbar.cpp

@@ -55,7 +55,7 @@ StatusBar::StatusBar(QWidget *parent)
     BitTorrent::Session *const session = BitTorrent::Session::instance();
     connect(session, &BitTorrent::Session::speedLimitModeChanged, this, &StatusBar::updateAltSpeedsBtn);
     QWidget *container = new QWidget(this);
-    QHBoxLayout *layout = new QHBoxLayout(container);
+    auto *layout = new QHBoxLayout(container);
     layout->setContentsMargins(0,0,0,0);
 
     container->setLayout(layout);

src/gui/tagfilterwidget.cpp

@@ -60,7 +60,7 @@ namespace
 TagFilterWidget::TagFilterWidget(QWidget *parent)
     : QTreeView(parent)
 {
-    TagFilterProxyModel *proxyModel = new TagFilterProxyModel(this);
+    auto *proxyModel = new TagFilterProxyModel(this);
     proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
     proxyModel->setSourceModel(new TagFilterModel(this));
     setModel(proxyModel);

src/gui/torrentcontentmodel.cpp

@@ -297,7 +297,7 @@ bool TorrentContentModel::setData(const QModelIndex &index, const QVariant &valu
         return false;
 
     if ((index.column() == TorrentContentModelItem::COL_NAME) && (role == Qt::CheckStateRole)) {
-        TorrentContentModelItem *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
+        auto *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
         qDebug("setData(%s, %d", qUtf8Printable(item->name()), value.toInt());
         if (static_cast<int>(item->priority()) != value.toInt()) {
             BitTorrent::FilePriority prio = BitTorrent::FilePriority::Normal;
@@ -318,7 +318,7 @@ bool TorrentContentModel::setData(const QModelIndex &index, const QVariant &valu
 
     if (role == Qt::EditRole) {
         Q_ASSERT(index.isValid());
-        TorrentContentModelItem *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
+        auto *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
         switch (index.column()) {
         case TorrentContentModelItem::COL_NAME:
             item->setName(value.toString());
@@ -343,7 +343,7 @@ TorrentContentModelItem::ItemType TorrentContentModel::itemType(const QModelInde
 
 int TorrentContentModel::getFileIndex(const QModelIndex &index)
 {
-    TorrentContentModelItem *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
+    auto *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
     if (item->itemType() == TorrentContentModelItem::FileType)
         return static_cast<TorrentContentModelFile*>(item)->fileIndex();
 
@@ -356,7 +356,7 @@ QVariant TorrentContentModel::data(const QModelIndex &index, int role) const
     if (!index.isValid())
         return QVariant();
 
-    TorrentContentModelItem *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
+    auto *item = static_cast<TorrentContentModelItem*>(index.internalPointer());
 
     if ((index.column() == TorrentContentModelItem::COL_NAME) && (role == Qt::DecorationRole)) {
         if (item->itemType() == TorrentContentModelItem::FolderType)
@@ -427,7 +427,7 @@ QModelIndex TorrentContentModel::parent(const QModelIndex &index) const
     if (!index.isValid())
         return QModelIndex();
 
-    TorrentContentModelItem *childItem = static_cast<TorrentContentModelItem*>(index.internalPointer());
+    auto *childItem = static_cast<TorrentContentModelItem*>(index.internalPointer());
     if (!childItem)
         return QModelIndex();
 

src/gui/transferlistfilterswidget.cpp

@@ -129,31 +129,31 @@ StatusFilterWidget::StatusFilterWidget(QWidget *parent, TransferListWidget *tran
             , this, &StatusFilterWidget::updateTorrentNumbers);
 
     // Add status filters
-    QListWidgetItem *all = new QListWidgetItem(this);
+    auto *all = new QListWidgetItem(this);
     all->setData(Qt::DisplayRole, QVariant(tr("All (0)", "this is for the status filter")));
     all->setData(Qt::DecorationRole, QIcon(":/icons/skin/filterall.svg"));
-    QListWidgetItem *downloading = new QListWidgetItem(this);
+    auto *downloading = new QListWidgetItem(this);
     downloading->setData(Qt::DisplayRole, QVariant(tr("Downloading (0)")));
     downloading->setData(Qt::DecorationRole, QIcon(":/icons/skin/downloading.svg"));
-    QListWidgetItem *seeding = new QListWidgetItem(this);
+    auto *seeding = new QListWidgetItem(this);
     seeding->setData(Qt::DisplayRole, QVariant(tr("Seeding (0)")));
     seeding->setData(Qt::DecorationRole, QIcon(":/icons/skin/uploading.svg"));
-    QListWidgetItem *completed = new QListWidgetItem(this);
+    auto *completed = new QListWidgetItem(this);
     completed->setData(Qt::DisplayRole, QVariant(tr("Completed (0)")));
     completed->setData(Qt::DecorationRole, QIcon(":/icons/skin/completed.svg"));
-    QListWidgetItem *resumed = new QListWidgetItem(this);
+    auto *resumed = new QListWidgetItem(this);
     resumed->setData(Qt::DisplayRole, QVariant(tr("Resumed (0)")));
     resumed->setData(Qt::DecorationRole, QIcon(":/icons/skin/resumed.svg"));
-    QListWidgetItem *paused = new QListWidgetItem(this);
+    auto *paused = new QListWidgetItem(this);
     paused->setData(Qt::DisplayRole, QVariant(tr("Paused (0)")));
     paused->setData(Qt::DecorationRole, QIcon(":/icons/skin/paused.svg"));
-    QListWidgetItem *active = new QListWidgetItem(this);
+    auto *active = new QListWidgetItem(this);
     active->setData(Qt::DisplayRole, QVariant(tr("Active (0)")));
     active->setData(Qt::DecorationRole, QIcon(":/icons/skin/filteractive.svg"));
-    QListWidgetItem *inactive = new QListWidgetItem(this);
+    auto *inactive = new QListWidgetItem(this);
     inactive->setData(Qt::DisplayRole, QVariant(tr("Inactive (0)")));
     inactive->setData(Qt::DecorationRole, QIcon(":/icons/skin/filterinactive.svg"));
-    QListWidgetItem *errored = new QListWidgetItem(this);
+    auto *errored = new QListWidgetItem(this);
     errored->setData(Qt::DisplayRole, QVariant(tr("Errored (0)")));
     errored->setData(Qt::DecorationRole, QIcon(":/icons/skin/error.svg"));
 
@@ -198,16 +198,16 @@ TrackerFiltersList::TrackerFiltersList(QWidget *parent, TransferListWidget *tran
     , m_totalTorrents(0)
     , m_downloadTrackerFavicon(true)
 {
-    QListWidgetItem *allTrackers = new QListWidgetItem(this);
+    auto *allTrackers = new QListWidgetItem(this);
     allTrackers->setData(Qt::DisplayRole, QVariant(tr("All (0)", "this is for the tracker filter")));
     allTrackers->setData(Qt::DecorationRole, GuiIconProvider::instance()->getIcon("network-server"));
-    QListWidgetItem *noTracker = new QListWidgetItem(this);
+    auto *noTracker = new QListWidgetItem(this);
     noTracker->setData(Qt::DisplayRole, QVariant(tr("Trackerless (0)")));
     noTracker->setData(Qt::DecorationRole, GuiIconProvider::instance()->getIcon("network-server"));
-    QListWidgetItem *errorTracker = new QListWidgetItem(this);
+    auto *errorTracker = new QListWidgetItem(this);
     errorTracker->setData(Qt::DisplayRole, QVariant(tr("Error (0)")));
     errorTracker->setData(Qt::DecorationRole, style()->standardIcon(QStyle::SP_MessageBoxCritical));
-    QListWidgetItem *warningTracker = new QListWidgetItem(this);
+    auto *warningTracker = new QListWidgetItem(this);
     warningTracker->setData(Qt::DisplayRole, QVariant(tr("Warning (0)")));
     warningTracker->setData(Qt::DecorationRole, style()->standardIcon(QStyle::SP_MessageBoxWarning));
     m_trackers.insert("", QStringList());
@@ -558,10 +558,10 @@ TransferListFiltersWidget::TransferListFiltersWidget(QWidget *parent, TransferLi
     Preferences *const pref = Preferences::instance();
 
     // Construct lists
-    QVBoxLayout *vLayout = new QVBoxLayout(this);
+    auto *vLayout = new QVBoxLayout(this);
-    QScrollArea *scroll = new QScrollArea(this);
+    auto *scroll = new QScrollArea(this);
     QFrame *frame = new QFrame(scroll);
-    QVBoxLayout *frameLayout = new QVBoxLayout(frame);
+    auto *frameLayout = new QVBoxLayout(frame);
     QFont font;
     font.setBold(true);
     font.setCapitalization(QFont::AllUppercase);
@@ -586,7 +586,7 @@ TransferListFiltersWidget::TransferListFiltersWidget(QWidget *parent, TransferLi
     statusLabel->setFont(font);
     frameLayout->addWidget(statusLabel);
 
-    StatusFilterWidget *statusFilters = new StatusFilterWidget(this, transferList);
+    auto *statusFilters = new StatusFilterWidget(this, transferList);
     frameLayout->addWidget(statusFilters);
 
     QCheckBox *categoryLabel = new QCheckBox(tr("Categories"), this);

src/gui/transferlistsortmodel.cpp

@@ -104,8 +104,8 @@ bool TransferListSortModel::lessThan(const QModelIndex &left, const QModelIndex
             // In this case QSortFilterProxyModel::lessThan() converts other types to QString and
             // sorts them.
             // Thus we can't use the code in the default label.
-            const BitTorrent::TorrentState leftValue = left.data().value<BitTorrent::TorrentState>();
+            const auto leftValue = left.data().value<BitTorrent::TorrentState>();
-            const BitTorrent::TorrentState rightValue = right.data().value<BitTorrent::TorrentState>();
+            const auto rightValue = right.data().value<BitTorrent::TorrentState>();
             if (leftValue != rightValue)
                 return leftValue < rightValue;
 
@@ -261,7 +261,7 @@ bool TransferListSortModel::filterAcceptsRow(int sourceRow, const QModelIndex &s
 
 bool TransferListSortModel::matchFilter(int sourceRow, const QModelIndex &sourceParent) const
 {
-    TransferListModel *model = qobject_cast<TransferListModel *>(sourceModel());
+    auto *model = qobject_cast<TransferListModel *>(sourceModel());
     if (!model) return false;
 
     BitTorrent::TorrentHandle *const torrent = model->torrentHandle(model->index(sourceRow, 0, sourceParent));

src/gui/transferlistwidget.cpp

@@ -153,7 +153,7 @@ namespace
         }
         m_checkBoxOffset.setWidth(layoutPadding.width());
 
-        QHBoxLayout *layout = new QHBoxLayout(this);
+        auto *layout = new QHBoxLayout(this);
         layout->addWidget(m_checkBox);
         layout->addStretch();
         layout->setContentsMargins(layoutPadding.width(), layoutPadding.height(), layoutPadding.width(), layoutPadding.height());

src/webui/api/appcontroller.cpp

@@ -491,10 +491,11 @@ void AppController::setPreferencesAction()
     if (m.contains("locale")) {
         QString locale = m["locale"].toString();
         if (pref->getLocale() != locale) {
-            QTranslator *translator = new QTranslator;
+            auto *translator = new QTranslator;
             if (translator->load(QLatin1String(":/lang/qbittorrent_") + locale)) {
                 qDebug("%s locale recognized, using translation.", qUtf8Printable(locale));
-            }else{
+            }
+            else {
                 qDebug("%s locale unrecognized, using default (en).", qUtf8Printable(locale));
             }
             qApp->installTranslator(translator);