preferences: port foreach -> range-based for

Signed-off-by: Juraj Oravec <sgd.orava@gmail.com>

src/lib/preferences/acceptlanguage.cpp

@@ -87,10 +87,10 @@ AcceptLanguage::AcceptLanguage(QWidget* parent)
 
     Settings settings;
     settings.beginGroup("Language");
-    QStringList langs = settings.value("acceptLanguage", defaultLanguage()).toStringList();
+    const QStringList langs = settings.value("acceptLanguage", defaultLanguage()).toStringList();
     settings.endGroup();
 
-    foreach (const QString &code, langs) {
+    for (const QString &code : langs) {
         QString code_ = code;
         QLocale loc = QLocale(code_.replace(QLatin1Char('-'), QLatin1Char('_')));
         QString label;

src/lib/preferences/autofillmanager.cpp

@@ -82,10 +82,10 @@ void AutoFillManager::loadPasswords()
     ui->showPasswords->setText(tr("Show Passwords"));
     m_passwordsShown = false;
 
-    QVector<PasswordEntry> allEntries = mApp->autoFill()->getAllFormData();
+    const QVector<PasswordEntry> allEntries = mApp->autoFill()->getAllFormData();
 
     ui->treePass->clear();
-    foreach (const PasswordEntry &entry, allEntries) {
+    for (const PasswordEntry &entry : allEntries) {
         QTreeWidgetItem* item = new QTreeWidgetItem(ui->treePass);
         item->setText(0, entry.host);
         item->setText(1, entry.username);

src/lib/preferences/pluginsmanager.cpp

@@ -101,7 +101,7 @@ void PluginsManager::refresh()
 
     const QList<Plugins::Plugin> &allPlugins = mApp->plugins()->availablePlugins();
 
-    foreach (const Plugins::Plugin &plugin, allPlugins) {
+    for (const Plugins::Plugin &plugin : allPlugins) {
         PluginSpec spec = plugin.pluginSpec;
 
         QListWidgetItem* item = new QListWidgetItem(ui->list);

src/lib/preferences/preferences.cpp

@@ -209,7 +209,8 @@ Preferences::Preferences(BrowserWindow* window)
     ui->activeProfile->setText("<b>" + ProfileManager::currentProfile() + "</b>");
     ui->startProfile->addItem(startingProfile);
 
-    foreach (const QString &name, ProfileManager::availableProfiles()) {
+    const auto names = ProfileManager::availableProfiles();
+    for (const QString &name : names) {
         if (startingProfile != name) {
             ui->startProfile->addItem(name);
         }
@@ -295,7 +296,8 @@ Preferences::Preferences(BrowserWindow* window)
     ui->webRTCPublicIpOnly->setChecked(settings.value("WebRTCPublicIpOnly", true).toBool());
     ui->dnsPrefetch->setChecked(settings.value("DNSPrefetch", true).toBool());
 
-    foreach (int level, WebView::zoomLevels()) {
+    const auto levels = WebView::zoomLevels();
+    for (int level : levels) {
         ui->defaultZoomLevel->addItem(QString("%1%").arg(level));
     }
     ui->defaultZoomLevel->setCurrentIndex(settings.value("DefaultZoomLevel", WebView::zoomLevels().indexOf(100)).toInt());

src/lib/preferences/thememanager.cpp

@@ -45,10 +45,10 @@ ThemeManager::ThemeManager(QWidget* parent, Preferences* preferences)
 
     const QStringList themePaths = DataPaths::allPaths(DataPaths::Themes);
 
-    foreach (const QString &path, themePaths) {
+    for (const QString &path : themePaths) {
         QDir dir(path);
-        QStringList list = dir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
+        const QStringList list = dir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
-        foreach (const QString &name, list) {
+        for (const QString &name : list) {
             Theme themeInfo = parseTheme(dir.absoluteFilePath(name) + QLatin1Char('/'), name);
             if (!themeInfo.isValid) {
                 continue;