Remove superfluous QString::fromUtf8()

src/app/application.cpp

@@ -600,15 +600,15 @@ void Application::initializeTranslation()
     // Load translation
     QString localeStr = pref->getLocale();
 
-    if (m_qtTranslator.load(QString::fromUtf8("qtbase_") + localeStr, QLibraryInfo::location(QLibraryInfo::TranslationsPath)) ||
-        m_qtTranslator.load(QString::fromUtf8("qt_") + localeStr, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
+    if (m_qtTranslator.load(QLatin1String("qtbase_") + localeStr, QLibraryInfo::location(QLibraryInfo::TranslationsPath)) ||
+        m_qtTranslator.load(QLatin1String("qt_") + localeStr, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
             qDebug("Qt %s locale recognized, using translation.", qUtf8Printable(localeStr));
     else
         qDebug("Qt %s locale unrecognized, using default (en).", qUtf8Printable(localeStr));
 
     installTranslator(&m_qtTranslator);
 
-    if (m_translator.load(QString::fromUtf8(":/lang/qbittorrent_") + localeStr))
+    if (m_translator.load(QLatin1String(":/lang/qbittorrent_") + localeStr))
         qDebug("%s locale recognized, using translation.", qUtf8Printable(localeStr));
     else
         qDebug("%s locale unrecognized, using default (en).", qUtf8Printable(localeStr));

src/gui/downloadfromurldlg.h

@@ -60,7 +60,7 @@ class downloadFromURL : public QDialog, private Ui::downloadFromURL
 
       // Paste clipboard if there is an URL in it
       QString clip_txt = qApp->clipboard()->text();
-      QStringList clip_txt_list = clip_txt.split(QString::fromUtf8("\n"));
+      QStringList clip_txt_list = clip_txt.split(QLatin1Char('\n'));
       clip_txt.clear();
       QStringList clip_txt_list_cleaned;
       foreach (clip_txt, clip_txt_list) {
@@ -94,7 +94,7 @@ class downloadFromURL : public QDialog, private Ui::downloadFromURL
     void downloadButtonClicked()
     {
       QString urls = textUrls->toPlainText();
-      QStringList url_list = urls.split(QString::fromUtf8("\n"));
+      QStringList url_list = urls.split(QLatin1Char('\n'));
       QString url;
       QStringList url_list_cleaned;
       foreach (url, url_list) {

src/gui/optionsdlg.cpp

@@ -259,7 +259,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     connect(m_ui->autoRunBox, &QGroupBox::toggled, this, &ThisType::enableApplyButton);
     connect(m_ui->autoRun_txt, &FileSystemPathEdit::selectedPathChanged, this, &ThisType::enableApplyButton);
 
-    const QString autoRunStr = QString::fromUtf8("%1\n    %2\n    %3\n    %4\n    %5\n    %6\n    %7\n    %8\n    %9\n    %10\n%11")
+    const QString autoRunStr = QString("%1\n    %2\n    %3\n    %4\n    %5\n    %6\n    %7\n    %8\n    %9\n    %10\n%11")
                                .arg(tr("Supported parameters (case sensitive):"))
                                .arg(tr("%N: Torrent name"))
                                .arg(tr("%L: Category"))
@@ -489,7 +489,7 @@ void OptionsDialog::saveOptions()
     QString locale = getLocale();
     if (pref->getLocale() != locale) {
         QTranslator *translator = new QTranslator;
-        if (translator->load(QString::fromUtf8(":/lang/qbittorrent_") + locale))
+        if (translator->load(QLatin1String(":/lang/qbittorrent_") + locale))
             qDebug("%s locale recognized, using translation.", qUtf8Printable(locale));
         else
             qDebug("%s locale unrecognized, using default (en).", qUtf8Printable(locale));

src/gui/properties/propertieswidget.cpp

@@ -799,7 +799,7 @@ void PropertiesWidget::askWebSeed()
     // Ask user for a new url seed
     const QString url_seed = AutoExpandableDialog::getText(this, tr("New URL seed", "New HTTP source"),
                                                            tr("New URL seed:"), QLineEdit::Normal,
-                                                           QString::fromUtf8("http://www."), &ok);
+                                                           QLatin1String("http://www."), &ok);
     if (!ok) return;
     qDebug("Adding %s web seed", qUtf8Printable(url_seed));
     if (!m_ui->listWebSeeds->findItems(url_seed, Qt::MatchFixedString).empty()) {

src/gui/speedlimitdlg.cpp

@@ -74,7 +74,7 @@ void SpeedLimitDialog::updateSpinValue(int val) const
     if (val <= 0) {
         m_ui->spinBandwidth->setValue(0);
         m_ui->spinBandwidth->setSpecialValueText(QString::fromUtf8(C_INFINITY));
-        m_ui->spinBandwidth->setSuffix(QString::fromUtf8(""));
+        m_ui->spinBandwidth->setSuffix("");
     }
     else {
         m_ui->spinBandwidth->setValue(val);
@@ -87,7 +87,7 @@ void SpeedLimitDialog::updateSliderValue(int val) const
     if (val <= 0) {
         m_ui->spinBandwidth->setValue(0);
         m_ui->spinBandwidth->setSpecialValueText(QString::fromUtf8(C_INFINITY));
-        m_ui->spinBandwidth->setSuffix(QString::fromUtf8(""));
+        m_ui->spinBandwidth->setSuffix("");
     }
     if (val > m_ui->bandwidthSlider->maximum())
         m_ui->bandwidthSlider->setMaximum(val);

src/gui/trackerlogin.cpp

@@ -43,7 +43,7 @@ trackerLogin::trackerLogin(QWidget *parent, BitTorrent::TorrentHandle *const tor
 
   buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Log in"));
 
-  login_logo->setPixmap(QPixmap(QString::fromUtf8(":/icons/qbt-theme/encrypted.png")));
+  login_logo->setPixmap(QPixmap(QLatin1String(":/icons/qbt-theme/encrypted.png")));
 
   tracker_url->setText(torrent->currentTracker());
 

src/gui/transferlistwidget.cpp

@@ -844,7 +844,7 @@ void TransferListWidget::displayListMenu(const QPoint&)
     connect(&actionDelete, SIGNAL(triggered()), this, SLOT(softDeleteSelectedTorrents()));
     QAction actionPreview_file(GuiIconProvider::instance()->getIcon("view-preview"), tr("Preview file..."), 0);
     connect(&actionPreview_file, SIGNAL(triggered()), this, SLOT(previewSelectedTorrents()));
-    QAction actionSet_max_ratio(QIcon(QString::fromUtf8(":/icons/skin/ratio.png")), tr("Limit share ratio..."), 0);
+    QAction actionSet_max_ratio(QIcon(QLatin1String(":/icons/skin/ratio.png")), tr("Limit share ratio..."), 0);
     connect(&actionSet_max_ratio, SIGNAL(triggered()), this, SLOT(setMaxRatioSelectedTorrents()));
     QAction actionSet_upload_limit(GuiIconProvider::instance()->getIcon("kt-set-max-upload-speed"), tr("Limit upload rate..."), 0);
     connect(&actionSet_upload_limit, SIGNAL(triggered()), this, SLOT(setUpLimitSelectedTorrents()));

src/webui/prefjson.cpp

@@ -394,7 +394,7 @@ void prefjson::setPreferences(const QString& json)
         QString locale = m["locale"].toString();
         if (pref->getLocale() != locale) {
             QTranslator *translator = new QTranslator;
-            if (translator->load(QString::fromUtf8(":/lang/qbittorrent_") + locale)) {
+            if (translator->load(QLatin1String(":/lang/qbittorrent_") + locale)) {
                 qDebug("%s locale recognized, using translation.", qUtf8Printable(locale));
             }else{
                 qDebug("%s locale unrecognized, using default (en).", qUtf8Printable(locale));