diff --git a/applets/taskmanager/plugin/backend.cpp b/applets/taskmanager/plugin/backend.cpp
index 16f1f571a..efbd095b5 100644
--- a/applets/taskmanager/plugin/backend.cpp
+++ b/applets/taskmanager/plugin/backend.cpp
@@ -1,431 +1,431 @@
 /***************************************************************************
  *   Copyright (C) 2012-2016 by Eike Hein <hein@kde.org>                   *
  *                                                                         *
  *   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 "backend.h"
 
 #include <KConfigGroup>
 #include <KDesktopFile>
 #include <KFileItem>
 #include <KLocalizedString>
 #include <KRun>
 #include <KService>
 #include <kwindoweffects.h>
 #include <KWindowSystem>
 
 #include <QAction>
 #include <QActionGroup>
 #include <QApplication>
 #include <QJsonArray>
 #include <QQuickItem>
 #include <QQuickWindow>
 
 #include <KActivities/Consumer>
 #include <KActivities/Stats/Cleaning>
 #include <KActivities/Stats/ResultSet>
 #include <KActivities/Stats/Terms>
 
 namespace KAStats = KActivities::Stats;
 
 using namespace KAStats;
 using namespace KAStats::Terms;
 
 Backend::Backend(QObject* parent) : QObject(parent)
     , m_taskManagerItem(0)
     , m_toolTipItem(0)
     , m_panelWinId(0)
     , m_highlightWindows(false)
     , m_actionGroup(new QActionGroup(this))
 {
 }
 
 Backend::~Backend()
 {
 }
 
 QQuickItem *Backend::taskManagerItem() const
 {
     return m_taskManagerItem;
 }
 
 void Backend::setTaskManagerItem(QQuickItem* item)
 {
     if (item != m_taskManagerItem) {
         m_taskManagerItem = item;
 
         emit taskManagerItemChanged();
     }
 }
 
 QQuickItem *Backend::toolTipItem() const
 {
     return m_toolTipItem;
 }
 
 void Backend::setToolTipItem(QQuickItem *item)
 {
     if (item != m_toolTipItem) {
         m_toolTipItem = item;
 
         connect(item, SIGNAL(windowChanged(QQuickWindow*)), this, SLOT(toolTipWindowChanged(QQuickWindow*)));
 
         emit toolTipItemChanged();
     }
 }
 
 bool Backend::highlightWindows() const
 {
     return m_highlightWindows;
 }
 
 void Backend::setHighlightWindows(bool highlight)
 {
     if (highlight != m_highlightWindows) {
         m_highlightWindows = highlight;
 
         updateWindowHighlight();
 
         emit highlightWindowsChanged();
     }
 }
 
 QVariantList Backend::jumpListActions(const QUrl &launcherUrl, QObject *parent)
 {
     QVariantList actions;
 
     if (!parent || !launcherUrl.isValid() || !launcherUrl.isLocalFile()
         || !KDesktopFile::isDesktopFile(launcherUrl.toLocalFile())) {
         return actions;
     }
 
     KDesktopFile desktopFile(launcherUrl.toLocalFile());
 
     const QStringList &jumpListActions = desktopFile.readActions();
 
     const QLatin1String kde("KDE");
 
     foreach (const QString &actionName, jumpListActions) {
         const KConfigGroup &actionGroup = desktopFile.actionGroup(actionName);
 
         if (!actionGroup.isValid() || !actionGroup.exists()) {
             continue;
         }
 
         const QStringList &notShowIn = actionGroup.readXdgListEntry(QStringLiteral("NotShowIn"));
         if (notShowIn.contains(kde)) {
             continue;
         }
 
         const QStringList &onlyShowIn = actionGroup.readXdgListEntry(QStringLiteral("OnlyShowIn"));
         if (!onlyShowIn.isEmpty() && !onlyShowIn.contains(kde)) {
             continue;
         }
 
         const QString &name = actionGroup.readEntry(QStringLiteral("Name"));
         const QString &exec = actionGroup.readEntry(QStringLiteral("Exec"));
         if (name.isEmpty() || exec.isEmpty()) {
             continue;
         }
 
-        QAction *action = new QAction(this);
+        QAction *action = new QAction(parent);
         action->setText(name);
         action->setIcon(QIcon::fromTheme(actionGroup.readEntry("Icon")));
         action->setProperty("exec", exec);
         // so we can show the proper application name and icon when it launches
         action->setProperty("applicationName", desktopFile.readName());
         action->setProperty("applicationIcon", desktopFile.readIcon());
         connect(action, &QAction::triggered, this, &Backend::handleJumpListAction);
 
         actions << QVariant::fromValue<QAction *>(action);
     }
 
     return actions;
 }
 
 QVariantList Backend::recentDocumentActions(const QUrl &launcherUrl, QObject *parent)
 {
     QVariantList actions;
 
     if (!parent || !launcherUrl.isValid() || !launcherUrl.isLocalFile()
         || !KDesktopFile::isDesktopFile(launcherUrl.toLocalFile())) {
         return actions;
     }
 
     QString desktopName = launcherUrl.fileName();
     QString storageId = desktopName;
 
     if (storageId.startsWith(QLatin1String("org.kde."))) {
         storageId = storageId.right(storageId.length() - 8);
     }
 
     if (storageId.endsWith(QLatin1String(".desktop"))) {
         storageId = storageId.left(storageId.length() - 8);
     }
 
     auto query = UsedResources
         | RecentlyUsedFirst
         | Agent(storageId)
         | Type::any()
         | Activity::current()
         | Url::file();
 
     ResultSet results(query);
 
     ResultSet::const_iterator resultIt = results.begin();
 
     int actionCount = 0;
 
     while (actionCount < 5 && resultIt != results.end()) {
         const QString resource = (*resultIt).resource();
         const QUrl url(resource);
 
         if (!url.isValid()) {
             continue;
         }
 
         const KFileItem fileItem(url);
 
         if (!fileItem.isFile()) {
             continue;
         }
 
-        QAction *action = new QAction(this);
+        QAction *action = new QAction(parent);
         action->setText(url.fileName());
         action->setIcon(QIcon::fromTheme(fileItem.iconName(), QIcon::fromTheme("unknown")));
         action->setProperty("agent", storageId);
         action->setProperty("entryPath", launcherUrl);
         action->setData(resource);
         connect(action, &QAction::triggered, this, &Backend::handleRecentDocumentAction);
 
         actions << QVariant::fromValue<QAction *>(action);
 
         ++resultIt;
         ++actionCount;
     }
 
     if (actionCount > 0) {
-        QAction *action = new QAction(this);
+        QAction *action = new QAction(parent);
         action->setText(i18n("Forget Recent Documents"));
         action->setProperty("agent", storageId);
         connect(action, &QAction::triggered, this, &Backend::handleRecentDocumentAction);
 
         actions << QVariant::fromValue<QAction *>(action);
     }
 
     return actions;
 }
 
 void Backend::toolTipWindowChanged(QQuickWindow *window)
 {
     Q_UNUSED(window)
 
     updateWindowHighlight();
 }
 
 void Backend::handleJumpListAction() const
 {
     const QAction *action = qobject_cast<QAction* >(sender());
 
     if (!action) {
         return;
     }
 
     KRun::run(action->property("exec").toString(), {}, nullptr,
               action->property("applicationName").toString(),
               action->property("applicationIcon").toString());
 }
 
 void Backend::handleRecentDocumentAction() const
 {
     const QAction *action = qobject_cast<QAction* >(sender());
 
     if (!action) {
         return;
     }
 
     const QString agent = action->property("agent").toString();
 
     if (agent.isEmpty()) {
         return;
     }
 
     const QString desktopPath = action->property("entryPath").toUrl().toLocalFile();
     const QString resource = action->data().toString();
 
     if (desktopPath.isEmpty() || resource.isEmpty()) {
         auto query = UsedResources
             | Agent(agent)
             | Type::any()
             | Activity::current()
             | Url::file();
 
         KAStats::forgetResources(query);
 
         return;
     }
 
     KService::Ptr service = KService::serviceByDesktopPath(desktopPath);
 
         qDebug() << service;
 
     if (!service) {
         return;
     }
 
     KRun::runService(*service, QList<QUrl>() << QUrl(resource), QApplication::activeWindow());
 }
 
 void Backend::setActionGroup(QAction *action) const
 {
     if (action) {
         action->setActionGroup(m_actionGroup);
     }
 }
 
 QRect Backend::globalRect(QQuickItem *item) const
 {
     if (!item || !item->window()) {
         return QRect();
     }
 
     QRect iconRect(item->x(), item->y(), item->width(), item->height());
     iconRect.moveTopLeft(item->parentItem()->mapToScene(iconRect.topLeft()).toPoint());
     iconRect.moveTopLeft(item->window()->mapToGlobal(iconRect.topLeft()));
 
     return iconRect;
 }
 
 void Backend::ungrabMouse(QQuickItem *item) const
 {
     if (item && item->window() &&  item->window()->mouseGrabberItem()) {
         item->window()->mouseGrabberItem()->ungrabMouse();
     }
 }
 
 bool Backend::canPresentWindows() const
 {
     return (KWindowSystem::compositingActive() && KWindowEffects::isEffectAvailable(KWindowEffects::PresentWindowsGroup));
 }
 
 void Backend::presentWindows(const QVariant &_winIds)
 {
     QList<WId> winIds;
 
     const QVariantList &_winIdsList = _winIds.toList();
 
     foreach(const QVariant &_winId, _winIdsList) {
         bool ok = false;
         qlonglong winId = _winId.toLongLong(&ok);
 
         if (ok) {
             winIds.append(winId);
         }
     }
 
     if (!winIds.count()) {
         return;
     }
 
     if (m_windowsToHighlight.count()) {
         m_windowsToHighlight.clear();
         updateWindowHighlight();
     }
 
     KWindowEffects::presentWindows(m_taskManagerItem->window()->winId(), winIds);
 }
 
 bool Backend::isApplication(const QUrl &url) const
 {
     if (!url.isValid() || !url.isLocalFile()) {
         return false;
     }
 
     const QString &localPath = url.toLocalFile();
 
     if (!KDesktopFile::isDesktopFile(localPath)) {
         return false;
     }
 
     KDesktopFile desktopFile(localPath);
     return desktopFile.hasApplicationType();
 }
 
 QList<QUrl> Backend::jsonArrayToUrlList(const QJsonArray &array) const
 {
     QList<QUrl> urls;
     urls.reserve(array.count());
 
     for (auto it = array.constBegin(), end = array.constEnd(); it != end; ++it) {
         urls << QUrl(it->toString());
     }
 
     return urls;
 }
 
 void Backend::cancelHighlightWindows()
 {
     m_windowsToHighlight.clear();
     updateWindowHighlight();
 }
 
 void Backend::windowsHovered(const QVariant &_winIds, bool hovered)
 {
     m_windowsToHighlight.clear();
 
     if (hovered) {
         const QVariantList &winIds = _winIds.toList();
 
         foreach(const QVariant &_winId, winIds) {
             bool ok = false;
             qlonglong winId = _winId.toLongLong(&ok);
 
             if (ok) {
                 m_windowsToHighlight.append(winId);
             }
         }
     }
 
     updateWindowHighlight();
 }
 
 void Backend::updateWindowHighlight()
 {
     if (!m_highlightWindows) {
         if (m_panelWinId) {
             KWindowEffects::highlightWindows(m_panelWinId, QList<WId>());
 
             m_panelWinId = 0;
         }
 
         return;
     }
 
     if (m_taskManagerItem && m_taskManagerItem->window()) {
         m_panelWinId = m_taskManagerItem->window()->winId();
     } else {
         return;
     }
 
     QList<WId> windows = m_windowsToHighlight;
 
     if (windows.count() && m_toolTipItem && m_toolTipItem->window()) {
         windows.append(m_toolTipItem->window()->winId());
     }
 
     KWindowEffects::highlightWindows(m_panelWinId, windows);
 }