diff --git a/kcms/desktoptheme/kcm.cpp b/kcms/desktoptheme/kcm.cpp
index 800b5c5b9..38cdbc182 100644
--- a/kcms/desktoptheme/kcm.cpp
+++ b/kcms/desktoptheme/kcm.cpp
@@ -1,367 +1,370 @@
 /* This file is part of the KDE Project
    Copyright (c) 2014 Marco Martin <mart@kde.org>
    Copyright (c) 2014 Vishesh Handa <me@vhanda.in>
    Copyright (c) 2016 David Rosca <nowrep@gmail.com>
    Copyright (c) 2018 Kai Uwe Broulik <kde@privat.broulik.de>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "kcm.h"
 
 #include <KPluginFactory>
 #include <KAboutData>
 #include <KSharedConfig>
 #include <KLocalizedString>
 #include <KDesktopFile>
 
 #include <KIO/FileCopyJob>
 #include <KIO/JobUiDelegate>
 
 #include <Plasma/Theme>
 #include <Plasma/Svg>
 
 #include <QDebug>
 #include <QProcess>
 #include <QQuickItem>
 #include <QQuickWindow>
 #include <QStandardPaths>
 #include <QStandardItemModel>
 #include <QTemporaryFile>
 
 #include <KNewStuff3/KNS3/DownloadDialog>
 
 Q_LOGGING_CATEGORY(KCM_DESKTOP_THEME, "kcm_desktoptheme")
 
 K_PLUGIN_FACTORY_WITH_JSON(KCMDesktopThemeFactory, "kcm_desktoptheme.json", registerPlugin<KCMDesktopTheme>();)
 
 KCMDesktopTheme::KCMDesktopTheme(QObject *parent, const QVariantList &args)
     : KQuickAddons::ConfigModule(parent, args)
     , m_defaultTheme(new Plasma::Theme(this))
     , m_haveThemeExplorerInstalled(false)
 {
     //This flag seems to be needed in order for QQuickWidget to work
     //see https://bugreports.qt-project.org/browse/QTBUG-40765
     //also, it seems to work only if set in the kcm, not in the systemsettings' main
     qApp->setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
     qmlRegisterType<QStandardItemModel>();
 
     KAboutData* about = new KAboutData(QStringLiteral("kcm_desktoptheme"), i18n("Choose the Plasma theme"),
                                        QStringLiteral("0.1"), QString(), KAboutLicense::LGPL);
     about->addAuthor(i18n("David Rosca"), QString(), QStringLiteral("nowrep@gmail.com"));
     setAboutData(about);
     setButtons(Apply | Default | Help);
 
     m_model = new QStandardItemModel(this);
     QHash<int, QByteArray> roles = m_model->roleNames();
     roles[PluginNameRole] = QByteArrayLiteral("pluginName");
     roles[ThemeNameRole] = QByteArrayLiteral("themeName");
     roles[DescriptionRole] = QByteArrayLiteral("description");
     roles[IsLocalRole] = QByteArrayLiteral("isLocal");
     roles[PendingDeletionRole] = QByteArrayLiteral("pendingDeletion");
     m_model->setItemRoleNames(roles);
 
     m_haveThemeExplorerInstalled = !QStandardPaths::findExecutable(QStringLiteral("plasmathemeexplorer")).isEmpty();
 }
 
 KCMDesktopTheme::~KCMDesktopTheme()
 {
     delete m_defaultTheme;
 }
 
 QStandardItemModel *KCMDesktopTheme::desktopThemeModel() const
 {
     return m_model;
 }
 
 QString KCMDesktopTheme::selectedPlugin() const
 {
     return m_selectedPlugin;
 }
 
 void KCMDesktopTheme::setSelectedPlugin(const QString &plugin)
 {
     if (m_selectedPlugin == plugin) {
         return;
     }
     m_selectedPlugin = plugin;
     emit selectedPluginChanged(m_selectedPlugin);
     emit selectedPluginIndexChanged();
     updateNeedsSave();
 }
 
 int KCMDesktopTheme::selectedPluginIndex() const
 {
     const auto results = m_model->match(m_model->index(0, 0), PluginNameRole, m_selectedPlugin);
     if (results.count() == 1) {
         return results.first().row();
     }
 
     return -1;
 }
 
 bool KCMDesktopTheme::downloadingFile() const
 {
     return m_tempCopyJob;
 }
 
 void KCMDesktopTheme::setPendingDeletion(int index, bool pending)
 {
     QModelIndex idx = m_model->index(index, 0);
 
     m_model->setData(idx, pending, PendingDeletionRole);
 
     if (pending && selectedPluginIndex() == index) {
         // move to the next non-pending theme
         const auto nonPending = m_model->match(idx, PendingDeletionRole, false);
         setSelectedPlugin(nonPending.first().data(PluginNameRole).toString());
     }
 
     updateNeedsSave();
 }
 
 void KCMDesktopTheme::getNewStuff(QQuickItem *ctx)
 {
     if (!m_newStuffDialog) {
         m_newStuffDialog = new KNS3::DownloadDialog(QStringLiteral("plasma-themes.knsrc"));
         m_newStuffDialog.data()->setWindowTitle(i18n("Download New Desktop Themes"));
         m_newStuffDialog->setWindowModality(Qt::WindowModal);
         m_newStuffDialog->winId(); // so it creates the windowHandle();
         connect(m_newStuffDialog.data(), &KNS3::DownloadDialog::accepted, this, &KCMDesktopTheme::load);
     }
 
     if (ctx && ctx->window()) {
         m_newStuffDialog->windowHandle()->setTransientParent(ctx->window());
     }
 
     m_newStuffDialog.data()->show();
 }
 
 void KCMDesktopTheme::installThemeFromFile(const QUrl &url)
 {
     if (url.isLocalFile()) {
         installTheme(url.toLocalFile());
         return;
     }
 
     if (m_tempCopyJob) {
         return;
     }
 
     m_tempInstallFile.reset(new QTemporaryFile());
     if (!m_tempInstallFile->open()) {
         emit showErrorMessage(i18n("Unable to create a temporary file."));
         m_tempInstallFile.reset();
         return;
     }
 
     m_tempCopyJob = KIO::file_copy(url, QUrl::fromLocalFile(m_tempInstallFile->fileName()),
                                     -1, KIO::Overwrite);
     m_tempCopyJob->uiDelegate()->setAutoErrorHandlingEnabled(true);
     emit downloadingFileChanged();
 
     connect(m_tempCopyJob, &KIO::FileCopyJob::result, this, [this, url](KJob *job) {
         if (job->error() != KJob::NoError) {
             emit showErrorMessage(i18n("Unable to download the theme: %1", job->errorText()));
             return;
         }
 
         installTheme(m_tempInstallFile->fileName());
         m_tempInstallFile.reset();
     });
     connect(m_tempCopyJob, &QObject::destroyed, this, &KCMDesktopTheme::downloadingFileChanged);
 }
 
 void KCMDesktopTheme::installTheme(const QString &path)
 {
     qCDebug(KCM_DESKTOP_THEME) << "Installing ... " << path;
 
     const QString program = QStringLiteral("kpackagetool5");
     const QStringList arguments = { QStringLiteral("--type"), QStringLiteral("Plasma/Theme"), QStringLiteral("--install"), path};
 
     qCDebug(KCM_DESKTOP_THEME) << program << arguments.join(QStringLiteral(" "));
     QProcess *myProcess = new QProcess(this);
     connect(myProcess, static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished),
             this, [this, myProcess](int exitCode, QProcess::ExitStatus exitStatus) {
                 Q_UNUSED(exitStatus);
                 if (exitCode == 0) {
                     emit showSuccessMessage(i18n("Theme installed successfully."));
                     load();
                 } else {
                     Q_EMIT showErrorMessage(i18n("Theme installation failed."));
 
                 }
             });
 
     connect(myProcess, static_cast<void (QProcess::*)(QProcess::ProcessError)>(&QProcess::error),
             this, [this](QProcess::ProcessError e) {
                 qCWarning(KCM_DESKTOP_THEME) << "Theme installation failed: " << e;
                 Q_EMIT showErrorMessage(i18n("Theme installation failed."));
             });
 
     myProcess->start(program, arguments);
 }
 
 void KCMDesktopTheme::applyPlasmaTheme(QQuickItem *item, const QString &themeName)
 {
     if (!item) {
         return;
     }
 
     Plasma::Theme *theme = m_themes[themeName];
     if (!theme) {
         theme = new Plasma::Theme(themeName, this);
         m_themes[themeName] = theme;
     }
 
     Q_FOREACH (Plasma::Svg *svg, item->findChildren<Plasma::Svg*>()) {
         svg->setTheme(theme);
         svg->setUsingRenderingCache(false);
     }
 }
 
 void KCMDesktopTheme::load()
 {
     m_pendingRemoval.clear();
 
     // Get all desktop themes
     QStringList themes;
     const QStringList &packs = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("plasma/desktoptheme"), QStandardPaths::LocateDirectory);
     Q_FOREACH (const QString &ppath, packs) {
         const QDir cd(ppath);
         const QStringList &entries = cd.entryList(QDir::Dirs | QDir::Hidden | QDir::NoDotAndDotDot);
         Q_FOREACH (const QString &pack, entries) {
             const QString _metadata = ppath + QLatin1Char('/') + pack + QStringLiteral("/metadata.desktop");
             if (QFile::exists(_metadata)) {
                 themes << _metadata;
             }
         }
     }
 
     m_model->clear();
 
     Q_FOREACH (const QString &theme, themes) {
         int themeSepIndex = theme.lastIndexOf(QLatin1Char('/'), -1);
         const QString themeRoot = theme.left(themeSepIndex);
         int themeNameSepIndex = themeRoot.lastIndexOf(QLatin1Char('/'), -1);
         const QString packageName = themeRoot.right(themeRoot.length() - themeNameSepIndex - 1);
 
         KDesktopFile df(theme);
 
         if (df.noDisplay()) {
             continue;
         }
 
         QString name = df.readName();
         if (name.isEmpty()) {
             name = packageName;
         }
         const bool isLocal = QFileInfo(theme).isWritable();
 
         if (m_model->findItems(packageName).isEmpty()) {
             QStandardItem *item = new QStandardItem;
             item->setText(packageName);
             item->setData(packageName, PluginNameRole);
             item->setData(name, ThemeNameRole);
             item->setData(df.readComment(), DescriptionRole);
             item->setData(isLocal, IsLocalRole);
             item->setData(false, PendingDeletionRole);
             m_model->appendRow(item);
         }
     }
 
+    m_model->setSortRole(ThemeNameRole); // FIXME the model should really be just using Qt::DisplayRole
+    m_model->sort(0 /*column*/);
+
     KConfigGroup cg(KSharedConfig::openConfig(QStringLiteral("plasmarc")), "Theme");
     setSelectedPlugin(cg.readEntry("name", m_defaultTheme->themeName()));
 
     updateNeedsSave();
 }
 
 void KCMDesktopTheme::save()
 {
     if (m_defaultTheme->themeName() != m_selectedPlugin) {
         m_defaultTheme->setThemeName(m_selectedPlugin);
     }
 
     processPendingDeletions();
     updateNeedsSave();
 }
 
 void KCMDesktopTheme::defaults()
 {
     setSelectedPlugin(QStringLiteral("default"));
 
     // can this be done more elegantly?
     const auto pendingDeletions = m_model->match(m_model->index(0, 0), PendingDeletionRole, true);
     for (const QModelIndex &idx : pendingDeletions) {
         m_model->setData(idx, false, PendingDeletionRole);
     }
 }
 
 bool KCMDesktopTheme::canEditThemes() const
 {
     return m_haveThemeExplorerInstalled;
 }
 
 void KCMDesktopTheme::editTheme(const QString &theme)
 {
     QProcess::startDetached(QStringLiteral("plasmathemeexplorer -t ") % theme);
 }
 
 void KCMDesktopTheme::updateNeedsSave()
 {
     setNeedsSave(!m_model->match(m_model->index(0, 0), PendingDeletionRole, true).isEmpty()
                     || m_selectedPlugin != m_defaultTheme->themeName());
 }
 
 void KCMDesktopTheme::processPendingDeletions()
 {
     const QString program = QStringLiteral("plasmapkg2");
 
     const auto pendingDeletions = m_model->match(m_model->index(0, 0), PendingDeletionRole, true, -1 /*all*/);
     QVector<QPersistentModelIndex> persistentPendingDeletions;
     // turn into persistent model index so we can delete as we go
     std::transform(pendingDeletions.begin(), pendingDeletions.end(),
                    std::back_inserter(persistentPendingDeletions), [](const QModelIndex &idx) {
         return QPersistentModelIndex(idx);
     });
 
     for (const QPersistentModelIndex &idx : persistentPendingDeletions) {
         const QString pluginName = idx.data(PluginNameRole).toString();
         const QString displayName = idx.data(Qt::DisplayRole).toString();
 
         Q_ASSERT(pluginName != m_selectedPlugin);
 
         const QStringList arguments = {QStringLiteral("-t"), QStringLiteral("theme"), QStringLiteral("-r"), pluginName};
 
         QProcess *process = new QProcess(this);
         connect(process, static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished), this,
             [this, process, idx, pluginName, displayName](int exitCode, QProcess::ExitStatus exitStatus) {
                 Q_UNUSED(exitStatus);
                 if (exitCode == 0) {
                     m_model->removeRow(idx.row());
                 } else {
                     emit showErrorMessage(i18n("Removing theme failed: %1",
                                                QString::fromLocal8Bit(process->readAllStandardOutput().trimmed())));
                     m_model->setData(idx, false, PendingDeletionRole);
                 }
                 process->deleteLater();
             });
 
         process->start(program, arguments);
         process->waitForFinished(); // needed so it deletes fine when "OK" is clicked and the dialog destroyed
     }
 }
 
 #include "kcm.moc"
diff --git a/kcms/icons/iconsmodel.cpp b/kcms/icons/iconsmodel.cpp
index f12f5dbb8..07a90e58f 100644
--- a/kcms/icons/iconsmodel.cpp
+++ b/kcms/icons/iconsmodel.cpp
@@ -1,203 +1,207 @@
 /*
  * Copyright (c) 1999 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
  * Copyright (c) 2000 Antonio Larrosa <larrosa@kde.org>
  * Copyright (C) 2000 Geert Jansen <jansen@kde.org>
  * KDE Frameworks 5 port Copyright (C) 2013 Jonathan Riddell <jr@jriddell.org>
  * Copyright (C) 2018 Kai Uwe Broulik <kde@privat.broulik.de>
  *
  * Requires the Qt widget libraries, available at no cost at
  * http://www.troll.no/
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 #include "iconsmodel.h"
 
 #include <QFileIconProvider>
 
 #include <KIconTheme>
 
 IconsModel::IconsModel(QObject *parent) : QAbstractListModel(parent)
 {
 
 }
 
 IconsModel::~IconsModel() = default;
 
 int IconsModel::rowCount(const QModelIndex &parent) const
 {
     if (parent.isValid()) {
         return 0;
     }
 
     return m_data.count();
 }
 
 QVariant IconsModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid() || index.row() >= m_data.count()) {
         return QVariant();
     }
 
     const auto &item = m_data.at(index.row());
 
     switch (role) {
     case Qt::DisplayRole: return item.display;
     case ThemeNameRole: return item.themeName;
     case DescriptionRole: return item.description;
     case RemovableRole: return item.removable;
     case PendingDeletionRole: return item.pendingDeletion;
     }
 
     return QVariant();
 }
 
 bool IconsModel::setData(const QModelIndex &index, const QVariant &value, int role)
 {
     if (!index.isValid() || index.row() >= m_data.count()) {
         return false;
     }
 
     if (role == PendingDeletionRole) {
         auto &item = m_data[index.row()];
 
         const bool pendingDeletion = value.toBool();
 
         if (item.pendingDeletion != pendingDeletion) {
             item.pendingDeletion = pendingDeletion;
             emit dataChanged(index, index, {PendingDeletionRole});
 
             // move to the next non-pending theme
             const auto nonPending = match(index, PendingDeletionRole, false);
             if (!nonPending.isEmpty()) {
                 setSelectedTheme(nonPending.first().data(ThemeNameRole).toString());
             }
 
             emit pendingDeletionsChanged();
             return true;
         }
     }
 
     return false;
 }
 
 QHash<int, QByteArray> IconsModel::roleNames() const
 {
     return {
         {Qt::DisplayRole, QByteArrayLiteral("display")},
         {DescriptionRole, QByteArrayLiteral("description")},
         {ThemeNameRole, QByteArrayLiteral("themeName")},
         {RemovableRole, QByteArrayLiteral("removable")},
         {PendingDeletionRole, QByteArrayLiteral("pendingDeletion")}
     };
 }
 
 QString IconsModel::selectedTheme() const
 {
     return m_selectedTheme;
 }
 
 void IconsModel::setSelectedTheme(const QString &theme)
 {
     if (m_selectedTheme == theme) {
         return;
     }
 
     const bool firstTime = m_selectedTheme.isNull();
     m_selectedTheme = theme;
 
     if (!firstTime) {
         emit selectedThemeChanged();
     }
     emit selectedThemeIndexChanged();
 }
 
 int IconsModel::selectedThemeIndex() const
 {
     auto it = std::find_if(m_data.begin(), m_data.end(), [this](const IconsModelData &item) {
         return item.themeName == m_selectedTheme;
     });
 
     if (it != m_data.end()) {
         return std::distance(m_data.begin(), it);
     }
 
     return -1;
 }
 
 void IconsModel::load()
 {
     beginResetModel();
 
     const int oldCount = m_data.count();
 
     m_data.clear();
 
     const QStringList themes = KIconTheme::list();
 
     m_data.reserve(themes.count());
 
     for (const QString &themeName : themes) {
         KIconTheme theme(themeName);
         if (!theme.isValid()) {
             //qCWarning(KCM_ICONS) << "Not a valid theme" << themeName;
         }
         if (theme.isHidden()) {
             continue;
         }
 
         IconsModelData item{
             theme.name(),
             themeName,
             theme.description(),
             themeName != KIconTheme::defaultThemeName()
                 && QFileInfo(theme.dir()).isWritable(),
             false // pending deletion
         };
 
         m_data.append(item);
     }
 
+    std::sort(m_data.begin(), m_data.end(), [](const IconsModelData &a, const IconsModelData &b) {
+        return a.display < b.display;
+    });
+
     endResetModel();
 
     // an item might have been added before the currently selected one
     if (oldCount != m_data.count()) {
         emit selectedThemeIndexChanged();
     }
 }
 
 QStringList IconsModel::pendingDeletions() const
 {
     QStringList pendingDeletions;
 
     for (const auto &item : m_data) {
         if (item.pendingDeletion) {
             pendingDeletions.append(item.themeName);
         }
     }
 
     return pendingDeletions;
 }
 
 void IconsModel::removeItemsPendingDeletion()
 {
     for (int i = m_data.count() - 1; i >= 0; --i) {
         if (m_data.at(i).pendingDeletion) {
             beginRemoveRows(QModelIndex(), i, i);
             m_data.remove(i);
             endRemoveRows();
         }
     }
 }
diff --git a/kcms/ksplash/kcm.cpp b/kcms/ksplash/kcm.cpp
index f156e737e..4b14375af 100644
--- a/kcms/ksplash/kcm.cpp
+++ b/kcms/ksplash/kcm.cpp
@@ -1,210 +1,211 @@
 /* This file is part of the KDE Project
    Copyright (c) 2014 Marco Martin <mart@kde.org>
    Copyright (c) 2014 Vishesh Handa <me@vhanda.in>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "kcm.h"
 
 #include <KPluginFactory>
 #include <KPluginLoader>
 #include <KAboutData>
 #include <KSharedConfig>
 #include <QStandardPaths>
 #include <QProcess>
 #include <QQuickView>
 
 #include <QVBoxLayout>
 #include <QPushButton>
 #include <QMessageBox>
 #include <QStandardItemModel>
 #include <QQmlContext>
 #include <QDir>
 
 #include <KLocalizedString>
 #include <Plasma/PluginLoader>
 
 #include <KNewStuff3/KNS3/DownloadDialog>
 
 K_PLUGIN_FACTORY_WITH_JSON(KCMSplashScreenFactory, "kcm_splashscreen.json", registerPlugin<KCMSplashScreen>();)
 
 KCMSplashScreen::KCMSplashScreen(QObject* parent, const QVariantList& args)
     : KQuickAddons::ConfigModule(parent, args)
     , m_config(QStringLiteral("ksplashrc"))
     , m_configGroup(m_config.group("KSplash"))
 {
     qmlRegisterType<QStandardItemModel>();
     KAboutData* about = new KAboutData(QStringLiteral("kcm_splashscreen"), i18n("Choose the splash screen theme"),
                                        QStringLiteral("0.1"), QString(), KAboutLicense::LGPL);
     about->addAuthor(i18n("Marco Martin"), QString(), QStringLiteral("mart@kde.org"));
     setAboutData(about);
     setButtons(Help | Apply | Default);
 
     m_model = new QStandardItemModel(this);
     QHash<int, QByteArray> roles = m_model->roleNames();
     roles[PluginNameRole] = "pluginName";
     roles[ScreenhotRole] = "screenshot";
     roles[DescriptionRole] = "description";
     m_model->setItemRoleNames(roles);
     loadModel();
 }
 
 QList<Plasma::Package> KCMSplashScreen::availablePackages(const QString &component)
 {
     QList<Plasma::Package> packages;
     QStringList paths;
     const QStringList dataPaths = QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation);
 
     for (const QString &path : dataPaths) {
         QDir dir(path + QStringLiteral("/plasma/look-and-feel"));
         paths << dir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
     }
 
     for (const QString &path : paths) {
         Plasma::Package pkg = Plasma::PluginLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"));
         pkg.setPath(path);
         pkg.setFallbackPackage(Plasma::Package());
         if (component.isEmpty() || !pkg.filePath(component.toUtf8()).isEmpty()) {
             packages << pkg;
         }
     }
 
     return packages;
 }
 
 QStandardItemModel *KCMSplashScreen::splashModel()
 {
     return m_model;
 }
 
 QString KCMSplashScreen::selectedPlugin() const
 {
     return m_selectedPlugin;
 }
 
 void KCMSplashScreen::setSelectedPlugin(const QString &plugin)
 {
     if (m_selectedPlugin == plugin) {
         return;
     }
 
     if (!m_selectedPlugin.isEmpty()) {
         setNeedsSave(true);
     }
     m_selectedPlugin = plugin;
     emit selectedPluginChanged();
     emit selectedPluginIndexChanged();
 }
 
 void KCMSplashScreen::getNewClicked()
 {
     KNS3::DownloadDialog dialog("ksplash.knsrc", nullptr);
     if (dialog.exec()) {
         KNS3::Entry::List list = dialog.changedEntries();
         if (!list.isEmpty()) {
             loadModel();
         }
     }
 }
 
 void KCMSplashScreen::loadModel()
 {
     m_model->clear();
 
     QStandardItem* row = new QStandardItem(i18n("None"));
     row->setData("None", PluginNameRole);
     row->setData(i18n("No splash screen will be shown"), DescriptionRole);
     m_model->appendRow(row);
 
     const QList<Plasma::Package> pkgs = availablePackages(QStringLiteral("splashmainscript"));
     for (const Plasma::Package &pkg : pkgs) {
         QStandardItem* row = new QStandardItem(pkg.metadata().name());
         row->setData(pkg.metadata().pluginName(), PluginNameRole);
         row->setData(pkg.filePath("previews", QStringLiteral("splash.png")), ScreenhotRole);
         row->setData(pkg.metadata().comment(), DescriptionRole);
         m_model->appendRow(row);
     }
+    m_model->sort(0 /*column*/);
     emit selectedPluginIndexChanged();
 }
 
 void KCMSplashScreen::load()
 {
     m_package = Plasma::PluginLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"));
     KConfigGroup cg(KSharedConfig::openConfig(QStringLiteral("kdeglobals")), "KDE");
     const QString packageName = cg.readEntry("LookAndFeelPackage", QString());
     if (!packageName.isEmpty()) {
         m_package.setPath(packageName);
     }
 
     QString currentPlugin = m_configGroup.readEntry("Theme", QString());
     if (currentPlugin.isEmpty()) {
         currentPlugin = m_package.metadata().pluginName();
     }
     setSelectedPlugin(currentPlugin);
     
     setNeedsSave(false);
 }
 
 
 void KCMSplashScreen::save()
 {
     if (m_selectedPlugin.isEmpty()) {
         return;
     } else if (m_selectedPlugin == QLatin1String("None")) {
         m_configGroup.writeEntry("Theme", m_selectedPlugin);
         m_configGroup.writeEntry("Engine", "none");
     } else {
         m_configGroup.writeEntry("Theme", m_selectedPlugin);
         m_configGroup.writeEntry("Engine", "KSplashQML");
     }
 
     m_configGroup.sync();
     setNeedsSave(false);
 }
 
 void KCMSplashScreen::defaults()
 {
     if (!m_package.metadata().isValid()) {
         return;
     }
     setSelectedPlugin(m_package.metadata().pluginName());
 }
 
 int KCMSplashScreen::selectedPluginIndex() const
 {
     for (int i = 0; i < m_model->rowCount(); ++i) {
         if (m_model->data(m_model->index(i, 0), PluginNameRole).toString() == m_selectedPlugin) {
             return i;
         }
     }
     return -1;
 }
 
 void KCMSplashScreen::test(const QString &plugin)
 {
     if (plugin.isEmpty() || plugin == QLatin1String("None")) {
         return;
     }
 
     QProcess proc;
     QStringList arguments;
     arguments << plugin << QStringLiteral("--test");
     if (proc.execute(QStringLiteral("ksplashqml"), arguments)) {
         QMessageBox::critical(nullptr, i18n("Error"), i18n("Failed to successfully test the splash screen."));
     }
 }
 
 #include "kcm.moc"
diff --git a/kcms/lookandfeel/kcm.cpp b/kcms/lookandfeel/kcm.cpp
index 090f5a6a6..788a8dcb4 100644
--- a/kcms/lookandfeel/kcm.cpp
+++ b/kcms/lookandfeel/kcm.cpp
@@ -1,832 +1,833 @@
 /* This file is part of the KDE Project
    Copyright (c) 2014 Marco Martin <mart@kde.org>
    Copyright (c) 2014 Vishesh Handa <me@vhanda.in>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "kcm.h"
 #include "../krdb/krdb.h"
 #include "../cursortheme/xcursor/xcursortheme.h"
 #include "config-kcm.h"
 #include "config-workspace.h"
 #include <klauncher_iface.h>
 
 #include <KAboutData>
 #include <KSharedConfig>
 #include <QDebug>
 #include <QStandardPaths>
 #include <QProcess>
 #include <QQuickWidget>
 #include <QQuickView>
 #include <KGlobalSettings>
 #include <KIconLoader>
 #include <KAutostart>
 #include <KRun>
 
 #include <QQmlEngine>
 #include <QQmlContext>
 #include <QQuickItem>
 #include <QQuickWindow>
 #include <QStandardItemModel>
 #include <QX11Info>
 
 #include <KLocalizedString>
 #include <Plasma/PluginLoader>
 
 #include <X11/Xlib.h>
 #include <X11/Xcursor/Xcursor.h>
 
 #ifdef HAVE_XFIXES
 #  include <X11/extensions/Xfixes.h>
 #endif
 
 KCMLookandFeel::KCMLookandFeel(QObject* parent, const QVariantList& args)
     : KQuickAddons::ConfigModule(parent, args)
     , m_config(QStringLiteral("kdeglobals"))
     , m_configGroup(m_config.group("KDE"))
     , m_applyColors(true)
     , m_applyWidgetStyle(true)
     , m_applyIcons(true)
     , m_applyPlasmaTheme(true)
     , m_applyCursors(true)
     , m_applyWindowSwitcher(true)
     , m_applyDesktopSwitcher(true)
     , m_resetDefaultLayout(false)
     , m_applyWindowDecoration(true)
 {
     //This flag seems to be needed in order for QQuickWidget to work
     //see https://bugreports.qt-project.org/browse/QTBUG-40765
     //also, it seems to work only if set in the kcm, not in the systemsettings' main
     qApp->setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
     qmlRegisterType<QStandardItemModel>();
     qmlRegisterType<KCMLookandFeel>();
     KAboutData* about = new KAboutData(QStringLiteral("kcm_lookandfeel"), i18n("Choose the Look and Feel theme"),
                                        QStringLiteral("0.1"), QString(), KAboutLicense::LGPL);
     about->addAuthor(i18n("Marco Martin"), QString(), QStringLiteral("mart@kde.org"));
     setAboutData(about);
     setButtons(Apply | Default);
 
     m_model = new QStandardItemModel(this);
     QHash<int, QByteArray> roles = m_model->roleNames();
     roles[PluginNameRole] = "pluginName";
     roles[DescriptionRole] = "description";
     roles[ScreenhotRole] = "screenshot";
     roles[FullScreenPreviewRole] = "fullScreenPreview";
     roles[HasSplashRole] = "hasSplash";
     roles[HasLockScreenRole] = "hasLockScreen";
     roles[HasRunCommandRole] = "hasRunCommand";
     roles[HasLogoutRole] = "hasLogout";
 
     roles[HasColorsRole] = "hasColors";
     roles[HasWidgetStyleRole] = "hasWidgetStyle";
     roles[HasIconsRole] = "hasIcons";
     roles[HasPlasmaThemeRole] = "hasPlasmaTheme";
     roles[HasCursorsRole] = "hasCursors";
     roles[HasWindowSwitcherRole] = "hasWindowSwitcher";
     roles[HasDesktopSwitcherRole] = "hasDesktopSwitcher";
     m_model->setItemRoleNames(roles);
     loadModel();
 }
 
 KCMLookandFeel::~KCMLookandFeel()
 {
 }
 
 void KCMLookandFeel::getNewStuff(QQuickItem *ctx)
 {
     if (!m_newStuffDialog) {
         m_newStuffDialog = new KNS3::DownloadDialog( QLatin1String("lookandfeel.knsrc") );
         m_newStuffDialog.data()->setWindowTitle(i18n("Download New Look and Feel Themes"));
         m_newStuffDialog->setWindowModality(Qt::WindowModal);
         m_newStuffDialog->winId(); // so it creates the windowHandle();
         connect(m_newStuffDialog.data(), &KNS3::DownloadDialog::accepted, this,  &KCMLookandFeel::loadModel);
     }
 
     if (ctx && ctx->window()) {
         m_newStuffDialog->windowHandle()->setTransientParent(ctx->window());
     }
 
     m_newStuffDialog.data()->show();
 }
 
 QStandardItemModel *KCMLookandFeel::lookAndFeelModel()
 {
     return m_model;
 }
 
 QString KCMLookandFeel::selectedPlugin() const
 {
     return m_selectedPlugin;
 }
 
 void KCMLookandFeel::setSelectedPlugin(const QString &plugin)
 {
     if (m_selectedPlugin == plugin) {
         return;
     }
 
     const bool firstTime = m_selectedPlugin.isNull();
     m_selectedPlugin = plugin;
     emit selectedPluginChanged();
     emit selectedPluginIndexChanged();
 
     if (!firstTime) {
         setNeedsSave(true);
     }
 }
 
 int KCMLookandFeel::selectedPluginIndex() const
 {
     for (int i = 0; i < m_model->rowCount(); ++i) {
         if (m_model->data(m_model->index(i, 0), PluginNameRole).toString() == m_selectedPlugin) {
             return i;
         }
     }
     return -1;
 }
 
 QList<Plasma::Package> KCMLookandFeel::availablePackages(const QStringList &components)
 {
     QList<Plasma::Package> packages;
     QStringList paths;
     const QStringList dataPaths = QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation);
 
     paths.reserve(dataPaths.count());
     for (const QString &path : dataPaths) {
         QDir dir(path + QStringLiteral("/plasma/look-and-feel"));
         paths << dir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
     }
 
     for (const QString &path : paths) {
         Plasma::Package pkg = Plasma::PluginLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"));
         pkg.setPath(path);
         pkg.setFallbackPackage(Plasma::Package());
         if (components.isEmpty()) {
             packages << pkg;
         } else {
             for (const auto &component : components) {
                 if (!pkg.filePath(component.toUtf8()).isEmpty()) {
                     packages << pkg;
                     break;
                 }
             }
         }
     }
 
     return packages;
 }
 
 void KCMLookandFeel::loadModel()
 {
     m_model->clear();
 
     const QList<Plasma::Package> pkgs = availablePackages({"defaults", "layouts"});
     for (const Plasma::Package &pkg : pkgs) {
         if (!pkg.metadata().isValid()) {
             continue;
         }
         QStandardItem* row = new QStandardItem(pkg.metadata().name());
         row->setData(pkg.metadata().pluginName(), PluginNameRole);
         row->setData(pkg.metadata().comment(), DescriptionRole);
         row->setData(pkg.filePath("preview"), ScreenhotRole);
         row->setData(pkg.filePath("fullscreenpreview"), FullScreenPreviewRole);
 
         //What the package provides
         row->setData(!pkg.filePath("splashmainscript").isEmpty(), HasSplashRole);
         row->setData(!pkg.filePath("lockscreenmainscript").isEmpty(), HasLockScreenRole);
         row->setData(!pkg.filePath("runcommandmainscript").isEmpty(), HasRunCommandRole);
         row->setData(!pkg.filePath("logoutmainscript").isEmpty(), HasLogoutRole);
 
         if (!pkg.filePath("defaults").isEmpty()) {
             KSharedConfigPtr conf = KSharedConfig::openConfig(pkg.filePath("defaults"));
             KConfigGroup cg(conf, "kdeglobals");
             cg = KConfigGroup(&cg, "General");
             bool hasColors = !cg.readEntry("ColorScheme", QString()).isEmpty();
             if (!hasColors) {
                 hasColors = !pkg.filePath("colors").isEmpty();
             }
             row->setData(hasColors, HasColorsRole);
             cg = KConfigGroup(&cg, "KDE");
             row->setData(!cg.readEntry("widgetStyle", QString()).isEmpty(), HasWidgetStyleRole);
             cg = KConfigGroup(conf, "kdeglobals");
             cg = KConfigGroup(&cg, "Icons");
             row->setData(!cg.readEntry("Theme", QString()).isEmpty(), HasIconsRole);
 
             cg = KConfigGroup(conf, "kdeglobals");
             cg = KConfigGroup(&cg, "Theme");
             row->setData(!cg.readEntry("name", QString()).isEmpty(), HasPlasmaThemeRole);
 
             cg = KConfigGroup(conf, "kcminputrc");
             cg = KConfigGroup(&cg, "Mouse");
             row->setData(!cg.readEntry("cursorTheme", QString()).isEmpty(), HasCursorsRole);
 
             cg = KConfigGroup(conf, "kwinrc");
             cg = KConfigGroup(&cg, "WindowSwitcher");
             row->setData(!cg.readEntry("LayoutName", QString()).isEmpty(), HasWindowSwitcherRole);
 
             cg = KConfigGroup(conf, "kwinrc");
             cg = KConfigGroup(&cg, "DesktopSwitcher");
             row->setData(!cg.readEntry("LayoutName", QString()).isEmpty(), HasDesktopSwitcherRole);
         }
 
         m_model->appendRow(row);
     }
+    m_model->sort(0 /*column*/);
     emit selectedPluginIndexChanged();
 }
 
 void KCMLookandFeel::load()
 {
     m_package = Plasma::PluginLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"));
     KConfigGroup cg(KSharedConfig::openConfig(QStringLiteral("kdeglobals")), "KDE");
     const QString packageName = cg.readEntry("LookAndFeelPackage", QString());
     if (!packageName.isEmpty()) {
         m_package.setPath(packageName);
     }
 
     if (!m_package.metadata().isValid()) {
         return;
     }
 
     setSelectedPlugin(m_package.metadata().pluginName());
 
     setNeedsSave(false);
 }
 
 
 void KCMLookandFeel::save()
 {
     Plasma::Package package = Plasma::PluginLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"));
     package.setPath(m_selectedPlugin);
 
     if (!package.isValid()) {
         return;
     }
 
     m_configGroup.writeEntry("LookAndFeelPackage", m_selectedPlugin);
 
     if (m_resetDefaultLayout) {
         QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.kde.plasmashell"), QStringLiteral("/PlasmaShell"),
                                                    QStringLiteral("org.kde.PlasmaShell"), QStringLiteral("loadLookAndFeelDefaultLayout"));
 
         QList<QVariant> args;
         args << m_selectedPlugin;
         message.setArguments(args);
 
         QDBusConnection::sessionBus().call(message, QDBus::NoBlock);
     }
 
     if (!package.filePath("defaults").isEmpty()) {
         KSharedConfigPtr conf = KSharedConfig::openConfig(package.filePath("defaults"));
         KConfigGroup cg(conf, "kdeglobals");
         cg = KConfigGroup(&cg, "KDE");
         if (m_applyWidgetStyle) {
             setWidgetStyle(cg.readEntry("widgetStyle", QString()));
         }
 
         if (m_applyColors) {
             QString colorsFile = package.filePath("colors");
             KConfigGroup cg(conf, "kdeglobals");
             cg = KConfigGroup(&cg, "General");
             QString colorScheme = cg.readEntry("ColorScheme", QString());
 
             if (!colorsFile.isEmpty()) {
                 if (!colorScheme.isEmpty()) {
                     setColors(colorScheme, colorsFile);
                 } else {
                     setColors(package.metadata().name(), colorsFile);
                 }
             } else if (!colorScheme.isEmpty()) {
                 colorScheme.remove(QLatin1Char('\'')); // So Foo's does not become FooS
                 QRegExp fixer(QStringLiteral("[\\W,.-]+(.?)"));
                 int offset;
                 while ((offset = fixer.indexIn(colorScheme)) >= 0) {
                     colorScheme.replace(offset, fixer.matchedLength(), fixer.cap(1).toUpper());
                 }
                 colorScheme.replace(0, 1, colorScheme.at(0).toUpper());
 
                 //NOTE: why this loop trough all the scheme files?
                 //the scheme theme name is an heuristic, there is no plugin metadata whatsoever.
                 //is based on the file name stripped from weird characters or the
                 //eventual id- prefix store.kde.org puts, so we can just find a
                 //theme that ends as the specified name
                 bool schemeFound = false;
                 const QStringList schemeDirs = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("color-schemes"), QStandardPaths::LocateDirectory);
                 for (const QString &dir : schemeDirs) {
                     const QStringList fileNames = QDir(dir).entryList(QStringList()<<QStringLiteral("*.colors"));
                     for (const QString &file : fileNames) {
                         if (file.endsWith(colorScheme + QStringLiteral(".colors"))) {
                             setColors(colorScheme, dir + QLatin1Char('/') + file);
                             schemeFound = true;
                             break;
                         }
                     }
                     if (schemeFound) {
                         break;
                     }
                 }
             }
         }
 
         if (m_applyIcons) {
             cg = KConfigGroup(conf, "kdeglobals");
             cg = KConfigGroup(&cg, "Icons");
             setIcons(cg.readEntry("Theme", QString()));
         }
 
         if (m_applyPlasmaTheme) {
             cg = KConfigGroup(conf, "plasmarc");
             cg = KConfigGroup(&cg, "Theme");
             setPlasmaTheme(cg.readEntry("name", QString()));
         }
 
         if (m_applyCursors) {
             cg = KConfigGroup(conf, "kcminputrc");
             cg = KConfigGroup(&cg, "Mouse");
             setCursorTheme(cg.readEntry("cursorTheme", QString()));
         }
 
         if (m_applyWindowSwitcher) {
             cg = KConfigGroup(conf, "kwinrc");
             cg = KConfigGroup(&cg, "WindowSwitcher");
             setWindowSwitcher(cg.readEntry("LayoutName", QString()));
         }
 
         if (m_applyDesktopSwitcher) {
             cg = KConfigGroup(conf, "kwinrc");
             cg = KConfigGroup(&cg, "DesktopSwitcher");
             setDesktopSwitcher(cg.readEntry("LayoutName", QString()));
         }
 
         if (m_applyWindowDecoration) {
             cg = KConfigGroup(conf, "kwinrc");
             cg = KConfigGroup(&cg, "org.kde.kdecoration2");
 #ifdef HAVE_BREEZE_DECO
             setWindowDecoration(cg.readEntry("library", QStringLiteral(BREEZE_KDECORATION_PLUGIN_ID)), cg.readEntry("theme", QString()));
 #else
             setWindowDecoration(cg.readEntry("library", QStringLiteral("org.kde.kwin.aurorae")), cg.readEntry("theme", QString()));
 #endif
         }
 
         // Reload KWin if something changed, but only once.
         if (m_applyWindowSwitcher || m_applyDesktopSwitcher || m_applyWindowDecoration) {
             QDBusMessage message = QDBusMessage::createSignal(QStringLiteral("/KWin"),
                                                     QStringLiteral("org.kde.KWin"),
                                                     QStringLiteral("reloadConfig"));
             QDBusConnection::sessionBus().send(message);
         }
 
         //autostart
         if (m_resetDefaultLayout) {
             //remove all the old package to autostart
             {
                 KSharedConfigPtr oldConf = KSharedConfig::openConfig(m_package.filePath("defaults"));
                 cg = KConfigGroup(oldConf, QStringLiteral("Autostart"));
                 const QStringList autostartServices = cg.readEntry("Services", QStringList());
 
                 if (qEnvironmentVariableIsSet("KDE_FULL_SESSION")) {
                     for (const QString &serviceFile : autostartServices) {
                         KService service(serviceFile + QStringLiteral(".desktop"));
                         KAutostart as(serviceFile);
                         as.setAutostarts(false);
                         //FIXME: quite ugly way to stop things, and what about non KDE things?
                         QProcess::startDetached(QStringLiteral("kquitapp5"), {QStringLiteral("--service"), service.property(QStringLiteral("X-DBUS-ServiceName")).toString()});
                     }
                 }
             }
             //Set all the stuff in the new lnf to autostart
             {
                 cg = KConfigGroup(conf, QStringLiteral("Autostart"));
                 const QStringList autostartServices = cg.readEntry("Services", QStringList());
 
                 for (const QString &serviceFile : autostartServices) {
                     KService service(serviceFile + QStringLiteral(".desktop"));
                     KAutostart as(serviceFile);
                     as.setCommand(service.exec());
                     as.setAutostarts(true);
                     if (qEnvironmentVariableIsSet("KDE_FULL_SESSION")) {
                         KRun::runApplication(service, {}, nullptr);
                     }
                 }
             }
         }
     }
 
     //TODO: option to enable/disable apply? they don't seem required by UI design
     setSplashScreen(m_selectedPlugin);
     setLockScreen(m_selectedPlugin);
 
     m_configGroup.sync();
     runRdb(KRdbExportQtColors | KRdbExportGtkTheme | KRdbExportColors | KRdbExportQtSettings | KRdbExportXftSettings);
 }
 
 void KCMLookandFeel::defaults()
 {
     if (!m_package.metadata().isValid()) {
         return;
     }
 
     setSelectedPlugin(m_package.metadata().pluginName());
 }
 
 void KCMLookandFeel::setWidgetStyle(const QString &style)
 {
     if (style.isEmpty()) {
         return;
     }
 
     m_configGroup.writeEntry("widgetStyle", style);
     m_configGroup.sync();
     //FIXME: changing style on the fly breaks QQuickWidgets
     KGlobalSettings::self()->emitChange(KGlobalSettings::StyleChanged);
 }
 
 void KCMLookandFeel::setColors(const QString &scheme, const QString &colorFile)
 {
     if (scheme.isEmpty() && colorFile.isEmpty()) {
         return;
     }
 
     KSharedConfigPtr conf = KSharedConfig::openConfig(colorFile, KSharedConfig::CascadeConfig);
     foreach (const QString &grp, conf->groupList()) {
         KConfigGroup cg(conf, grp);
         KConfigGroup cg2(&m_config, grp);
         cg.copyTo(&cg2);
     }
 
     KConfigGroup configGroup(&m_config, "General");
     configGroup.writeEntry("ColorScheme", scheme);
 
     configGroup.sync();
     KGlobalSettings::self()->emitChange(KGlobalSettings::PaletteChanged);
 }
 
 void KCMLookandFeel::setIcons(const QString &theme)
 {
     if (theme.isEmpty()) {
         return;
     }
 
     KConfigGroup cg(&m_config, "Icons");
     cg.writeEntry("Theme", theme);
     cg.sync();
 
     for (int i=0; i < KIconLoader::LastGroup; i++) {
         KIconLoader::emitChange(KIconLoader::Group(i));
     }
 }
 
 void KCMLookandFeel::setPlasmaTheme(const QString &theme)
 {
     if (theme.isEmpty()) {
         return;
     }
 
     KConfig config(QStringLiteral("plasmarc"));
     KConfigGroup cg(&config, "Theme");
     cg.writeEntry("name", theme);
     cg.sync();
 }
 
 void KCMLookandFeel::setCursorTheme(const QString themeName)
 {
     //TODO: use pieces of cursor kcm when moved to plasma-desktop
     if (themeName.isEmpty()) {
         return;
     }
 
     KConfig config(QStringLiteral("kcminputrc"));
     KConfigGroup cg(&config, "Mouse");
     cg.writeEntry("cursorTheme", themeName);
     cg.sync();
 
     // Require the Xcursor version that shipped with X11R6.9 or greater, since
     // in previous versions the Xfixes code wasn't enabled due to a bug in the
     // build system (freedesktop bug #975).
 #if HAVE_XFIXES && XFIXES_MAJOR >= 2 && XCURSOR_LIB_VERSION >= 10105
     const int cursorSize = cg.readEntry("cursorSize", 0);
 
     QDir themeDir = cursorThemeDir(themeName, 0);
 
     if (!themeDir.exists()) {
         return;
     }
 
     XCursorTheme theme(themeDir);
 
     if (!CursorTheme::haveXfixes()) {
         return;
     }
 
     // Set up the proper launch environment for newly started apps
     OrgKdeKLauncherInterface klauncher(QStringLiteral("org.kde.klauncher5"),
                                        QStringLiteral("/KLauncher"),
                                        QDBusConnection::sessionBus());
     klauncher.setLaunchEnv(QStringLiteral("XCURSOR_THEME"), themeName);
 
     // Update the Xcursor X resources
     runRdb(0);
 
     // Notify all applications that the cursor theme has changed
     KGlobalSettings::self()->emitChange(KGlobalSettings::CursorChanged);
 
     // Reload the standard cursors
     QStringList names;
 
     // Qt cursors
     names << QStringLiteral("left_ptr")       << QStringLiteral("up_arrow")      << QStringLiteral("cross")      << QStringLiteral("wait")
           << QStringLiteral("left_ptr_watch") << QStringLiteral("ibeam")         << QStringLiteral("size_ver")   << QStringLiteral("size_hor")
           << QStringLiteral("size_bdiag")     << QStringLiteral("size_fdiag")    << QStringLiteral("size_all")   << QStringLiteral("split_v")
           << QStringLiteral("split_h")        << QStringLiteral("pointing_hand") << QStringLiteral("openhand")
           << QStringLiteral("closedhand")     << QStringLiteral("forbidden")     << QStringLiteral("whats_this") << QStringLiteral("copy") << QStringLiteral("move") << QStringLiteral("link");
 
     // X core cursors
     names << QStringLiteral("X_cursor")            << QStringLiteral("right_ptr")           << QStringLiteral("hand1")
           << QStringLiteral("hand2")               << QStringLiteral("watch")               << QStringLiteral("xterm")
           << QStringLiteral("crosshair")           << QStringLiteral("left_ptr_watch")      << QStringLiteral("center_ptr")
           << QStringLiteral("sb_h_double_arrow")   << QStringLiteral("sb_v_double_arrow")   << QStringLiteral("fleur")
           << QStringLiteral("top_left_corner")     << QStringLiteral("top_side")            << QStringLiteral("top_right_corner")
           << QStringLiteral("right_side")          << QStringLiteral("bottom_right_corner") << QStringLiteral("bottom_side")
           << QStringLiteral("bottom_left_corner")  << QStringLiteral("left_side")           << QStringLiteral("question_arrow")
           << QStringLiteral("pirate");
 
     foreach (const QString &name, names) {
         XFixesChangeCursorByName(QX11Info::display(), theme.loadCursor(name, cursorSize), QFile::encodeName(name));
     }
 
 #else
     KMessageBox::information(this,
                                  i18n("You have to restart the Plasma session for these changes to take effect."),
                                  i18n("Cursor Settings Changed"), "CursorSettingsChanged");
 #endif
 }
 
 QDir KCMLookandFeel::cursorThemeDir(const QString &theme, const int depth)
 {
     // Prevent infinite recursion
     if (depth > 10) {
         return QDir();
     }
 
     // Search each icon theme directory for 'theme'
     foreach (const QString &baseDir, cursorSearchPaths()) {
         QDir dir(baseDir);
         if (!dir.exists() || !dir.cd(theme)) {
             continue;
         }
 
         // If there's a cursors subdir, we'll assume this is a cursor theme
         if (dir.exists(QStringLiteral("cursors"))) {
             return dir;
         }
 
         // If the theme doesn't have an index.theme file, it can't inherit any themes.
         if (!dir.exists(QStringLiteral("index.theme"))) {
             continue;
         }
 
         // Open the index.theme file, so we can get the list of inherited themes
         KConfig config(dir.path() + QStringLiteral("/index.theme"), KConfig::NoGlobals);
         KConfigGroup cg(&config, "Icon Theme");
 
         // Recurse through the list of inherited themes, to check if one of them
         // is a cursor theme.
         QStringList inherits = cg.readEntry("Inherits", QStringList());
         foreach (const QString &inherit, inherits) {
             // Avoid possible DoS
             if (inherit == theme) {
                 continue;
             }
 
             if (cursorThemeDir(inherit, depth + 1).exists()) {
                 return dir;
             }
         }
     }
 
     return QDir();
 }
 
 const QStringList KCMLookandFeel::cursorSearchPaths()
 {
     if (!m_cursorSearchPaths.isEmpty())
         return m_cursorSearchPaths;
 
 #if XCURSOR_LIB_MAJOR == 1 && XCURSOR_LIB_MINOR < 1
     // These are the default paths Xcursor will scan for cursor themes
     QString path("~/.icons:/usr/share/icons:/usr/share/pixmaps:/usr/X11R6/lib/X11/icons");
 
     // If XCURSOR_PATH is set, use that instead of the default path
     char *xcursorPath = std::getenv("XCURSOR_PATH");
     if (xcursorPath)
         path = xcursorPath;
 #else
     // Get the search path from Xcursor
     QString path = XcursorLibraryPath();
 #endif
 
     // Separate the paths
     m_cursorSearchPaths = path.split(QLatin1Char(':'), QString::SkipEmptyParts);
 
     // Remove duplicates
     QMutableStringListIterator i(m_cursorSearchPaths);
     while (i.hasNext())
     {
         const QString path = i.next();
         QMutableStringListIterator j(i);
         while (j.hasNext())
             if (j.next() == path)
                 j.remove();
     }
 
     // Expand all occurrences of ~/ to the home dir
     m_cursorSearchPaths.replaceInStrings(QRegExp(QStringLiteral("^~\\/")), QDir::home().path() + QLatin1Char('/'));
     return m_cursorSearchPaths;
 }
 
 void KCMLookandFeel::setSplashScreen(const QString &theme)
 {
     if (theme.isEmpty()) {
         return;
     }
 
     KConfig config(QStringLiteral("ksplashrc"));
     KConfigGroup cg(&config, "KSplash");
     cg.writeEntry("Theme", theme);
     //TODO: a way to set none as spash in the l&f
     cg.writeEntry("Engine", "KSplashQML");
     cg.sync();
 }
 
 void KCMLookandFeel::setLockScreen(const QString &theme)
 {
     if (theme.isEmpty()) {
         return;
     }
 
     KConfig config(QStringLiteral("kscreenlockerrc"));
     KConfigGroup cg(&config, "Greeter");
     cg.writeEntry("Theme", theme);
     cg.sync();
 }
 
 void KCMLookandFeel::setWindowSwitcher(const QString &theme)
 {
     if (theme.isEmpty()) {
         return;
     }
 
     KConfig config(QStringLiteral("kwinrc"));
     KConfigGroup cg(&config, "TabBox");
     cg.writeEntry("LayoutName", theme);
     cg.sync();
 }
 
 void KCMLookandFeel::setDesktopSwitcher(const QString &theme)
 {
     if (theme.isEmpty()) {
         return;
     }
 
     KConfig config(QStringLiteral("kwinrc"));
     KConfigGroup cg(&config, "TabBox");
     cg.writeEntry("DesktopLayout", theme);
     cg.writeEntry("DesktopListLayout", theme);
     cg.sync();
 }
 
 void KCMLookandFeel::setWindowDecoration(const QString &library, const QString &theme)
 {
     if (library.isEmpty()) {
         return;
     }
 
     KConfig config(QStringLiteral("kwinrc"));
     KConfigGroup cg(&config, "org.kde.kdecoration2");
     cg.writeEntry("library", library);
     cg.writeEntry("theme", theme);
     
     cg.sync();
     // Reload KWin.
     QDBusMessage message = QDBusMessage::createSignal(QStringLiteral("/KWin"),
                                                       QStringLiteral("org.kde.KWin"),
                                                       QStringLiteral("reloadConfig"));
     QDBusConnection::sessionBus().send(message);
 }
 
 void KCMLookandFeel::setApplyColors(bool apply)
 {
     if (m_applyColors == apply) {
         return;
     }
 
     m_applyColors = apply;
     emit applyColorsChanged();
 }
 
 bool KCMLookandFeel::applyColors() const
 {
     return m_applyColors;
 }
 
 void KCMLookandFeel::setApplyWidgetStyle(bool apply)
 {
     if (m_applyWidgetStyle == apply) {
         return;
     }
 
     m_applyWidgetStyle = apply;
     emit applyWidgetStyleChanged();
 }
 
 bool KCMLookandFeel::applyWidgetStyle() const
 {
     return m_applyWidgetStyle;
 }
 
 void KCMLookandFeel::setApplyIcons(bool apply)
 {
     if (m_applyIcons == apply) {
         return;
     }
 
     m_applyIcons = apply;
     emit applyIconsChanged();
 }
 
 bool KCMLookandFeel::applyIcons() const
 {
     return m_applyIcons;
 }
 
 void KCMLookandFeel::setApplyPlasmaTheme(bool apply)
 {
     if (m_applyPlasmaTheme == apply) {
         return;
     }
 
     m_applyPlasmaTheme = apply;
     emit applyPlasmaThemeChanged();
 }
 
 bool KCMLookandFeel::applyPlasmaTheme() const
 {
     return m_applyPlasmaTheme;
 }
 
 void KCMLookandFeel::setApplyWindowSwitcher(bool apply)
 {
     if (m_applyWindowSwitcher == apply) {
         return;
     }
     m_applyWindowSwitcher = apply;
     emit applyWindowSwitcherChanged();
 }
 
 bool KCMLookandFeel::applyWindowSwitcher() const
 {
     return m_applyWindowSwitcher;
 }
 
 void KCMLookandFeel::setApplyDesktopSwitcher(bool apply)
 {
     if (m_applyDesktopSwitcher == apply) {
         return;
     }
     m_applyDesktopSwitcher = apply;
     emit applyDesktopSwitcherChanged();
 }
 
 bool KCMLookandFeel::applyDesktopSwitcher() const
 {
     return m_applyDesktopSwitcher;
 }
 
 void KCMLookandFeel::setResetDefaultLayout(bool reset)
 {
     if (m_resetDefaultLayout == reset) {
         return;
     }
     m_resetDefaultLayout = reset;
     emit resetDefaultLayoutChanged();
     if (reset) {
         setNeedsSave(true);
     }
 }
 
 bool KCMLookandFeel::resetDefaultLayout() const
 {
     return m_resetDefaultLayout;
 }