diff --git a/src/dialogs/choosefiledialog.h b/src/dialogs/choosefiledialog.h
--- a/src/dialogs/choosefiledialog.h
+++ b/src/dialogs/choosefiledialog.h
@@ -28,7 +28,7 @@
 
 public:
     ChooseFileDialog(QWidget *parent = nullptr, QList<QUrl> files = QList<QUrl>());
-    virtual ~ChooseFileDialog() {}
+    ~ChooseFileDialog() = default;
     const QUrl choosenFile();
 
 private:
diff --git a/src/dialogs/choosefiledialog.cpp b/src/dialogs/choosefiledialog.cpp
--- a/src/dialogs/choosefiledialog.cpp
+++ b/src/dialogs/choosefiledialog.cpp
@@ -26,24 +26,25 @@
     QDialog(parent)
 {
     const int padding = 30;
-    auto listWigdet = new QListWidget();
-    listWigdet->setMinimumWidth(fontMetrics().height() / 2  * padding);
+    auto listWidget = new QListWidget(this);
+    listWidget->setMinimumWidth(fontMetrics().height() / 2  * padding);
 
     foreach (const auto &url, files) {
-        listWigdet->addItem(url.toLocalFile());
+        listWidget->addItem(url.toLocalFile());
     }
-    connect(listWigdet, &QListWidget::currentRowChanged, this, [this, &files](const int t) {
+    listWidget->setCurrentRow(0);
+    connect(listWidget, &QListWidget::currentRowChanged, this, [this, &files](const int t) {
         m_choosen_file = files.at(t);
     });
 
-    auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+    auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
     connect(buttonBox, &QDialogButtonBox::accepted, this, &ChooseFileDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, this, &ChooseFileDialog::reject);
 
     auto layout = new QVBoxLayout;
-    auto label = new QLabel(i18n("Choose a file to print:"));
+    auto label = new QLabel(i18n("Choose a file to print:"), this);
     layout->addWidget(label);
-    layout->addWidget(listWigdet);
+    layout->addWidget(listWidget);
     layout->addWidget(buttonBox);
     setLayout(layout);
 }
diff --git a/src/dialogs/profilesdialog.cpp b/src/dialogs/profilesdialog.cpp
--- a/src/dialogs/profilesdialog.cpp
+++ b/src/dialogs/profilesdialog.cpp
@@ -184,7 +184,7 @@
     //Baud
     ui->baudCB->setCurrentText(m_settings.value(QStringLiteral("bps"), QStringLiteral("115200")).toString());
     ui->firmwareCB->setCurrentText(m_settings.value(QStringLiteral("firmware"), QStringLiteral("Auto-Detect")).toString());
-    ui->postPauseLE->setText(m_settings.value(QStringLiteral("postPause"), QStringLiteral("")).toString());
+    ui->postPauseLE->setText(m_settings.value(QStringLiteral("postPause"), QString()).toString());
     m_settings.endGroup();
     m_settings.endGroup();
     setModified(false);
@@ -220,10 +220,11 @@
     QStringList firmwares;
     QStringList paths = AtCoreDirectories::pluginDir;
     //Add our runtime paths
-    paths.prepend(qApp->applicationDirPath() + QStringLiteral("/../Plugins/AtCore"));
-    paths.prepend(qApp->applicationDirPath() + QStringLiteral("/AtCore"));
-    paths.prepend(qApp->applicationDirPath() + QStringLiteral("/plugins"));
-    for (const QString &path : paths) {
+    const QString &path(qApp->applicationDirPath());
+    paths.prepend(path + QStringLiteral("/../Plugins/AtCore"));
+    paths.prepend(path + QStringLiteral("/AtCore"));
+    paths.prepend(path + QStringLiteral("/plugins"));
+    for (const QString &path : qAsConst(paths)) {
         firmwares = firmwaresInPath(path);
         if (!firmwares.isEmpty()) {
             //use path where plugins were detected.
diff --git a/src/main.cpp b/src/main.cpp
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -65,8 +65,8 @@
     aboutData.setOtherText(i18n("Using AtCore:%1", QString(ATCORE_VERSION_STRING)));
     KAboutData::setApplicationData(aboutData);
 
-    MainWindow *m = new MainWindow();
-    m->setWindowIcon(QIcon(":/icon/atelier"));
-    m->show();
+    auto mainWindow = new MainWindow();
+    mainWindow->setWindowIcon(QIcon(":/icon/atelier"));
+    mainWindow->show();
     return app.exec();
 }
diff --git a/src/mainwindow.h b/src/mainwindow.h
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -59,13 +59,13 @@
     void dropEvent(QDropEvent *event);
 
 private:
-    GCodeEditorWidget *m_gcodeEditor;
-    KTextEditor::View *m_currEditorView;
+    GCodeEditorWidget *m_gcodeEditor = nullptr;
+    KTextEditor::View *m_currEditorView = nullptr;
     int m_currInstance;
     LateralArea m_lateral;
     QList<QUrl> m_openFiles;
     QString m_theme;
-    QTabWidget *m_instances;
+    QTabWidget *m_instances = nullptr;
     bool askToClose();
     bool askToSave(const QVector<QUrl> &fileList);
     void atCoreInstanceNameChange(const QString &name);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -35,7 +35,6 @@
 
 MainWindow::MainWindow(QWidget *parent) :
     KXmlGuiWindow(parent)
-    , m_currEditorView(nullptr)
     , m_currInstance(0)
     , m_theme(getTheme())
     , m_instances(new QTabWidget(this))
@@ -70,7 +69,7 @@
 
     bool closePrompt = false;
     for (int i = 0; i < m_instances->count(); i++) {
-        AtCoreInstanceWidget *instance = qobject_cast<AtCoreInstanceWidget *>(m_instances->widget(i));
+        auto instance = qobject_cast<AtCoreInstanceWidget *>(m_instances->widget(i));
         if (instance->isPrinting()) {
             closePrompt = true;
             break;
@@ -117,11 +116,11 @@
     // View:
     // Sidebar, Sidebar Controls, Printer Tabs.
     // Sidebar Controls and Printer Tabs can be resized, Sidebar can't.
-    auto splitter = new QSplitter();
+    auto splitter = new QSplitter(this);
     splitter->addWidget(m_lateral.m_stack);
     splitter->addWidget(m_instances);
 
-    auto addTabBtn = new QToolButton();
+    auto addTabBtn = new QToolButton(this);
     addTabBtn->setIconSize(QSize(fontMetrics().lineSpacing(), fontMetrics().lineSpacing()));
     addTabBtn->setIcon(QIcon::fromTheme("list-add", QIcon(QString(":/%1/addTab").arg(m_theme))));
     addTabBtn->setToolTip(i18n("Create new instance"));
@@ -133,7 +132,7 @@
     centralLayout->addWidget(m_lateral.m_toolBar);
     centralLayout->addWidget(splitter);
 
-    auto *centralWidget = new QWidget();
+    auto *centralWidget = new QWidget(this);
     centralWidget->setLayout(centralLayout);
     setCentralWidget(centralWidget);
 }
@@ -146,7 +145,7 @@
     newInstanceWidget->setFileCount(m_openFiles.size());
     connect(this, &MainWindow::profilesChanged, newInstanceWidget, &AtCoreInstanceWidget::updateProfileData);
     connect(newInstanceWidget, &AtCoreInstanceWidget::requestProfileDialog, this, [this] {
-        std::unique_ptr<ProfilesDialog> pd(new ProfilesDialog);
+        std::unique_ptr<ProfilesDialog> pd(new ProfilesDialog(this));
         pd->exec();
         emit(profilesChanged());
     });
@@ -183,7 +182,8 @@
                          );
             if (result == QMessageBox::Cancel) {
                 return;
-            } else if (result == QMessageBox::Save) {
+            }
+            if (result == QMessageBox::Save) {
                 m_gcodeEditor->saveFile(file);
             }
         }
@@ -207,8 +207,8 @@
 // Move to LateralArea.
 void MainWindow::setupLateralArea()
 {
-    m_lateral.m_toolBar = new QWidget();
-    m_lateral.m_stack = new QStackedWidget();
+    m_lateral.m_toolBar = new QWidget(this);
+    m_lateral.m_stack = new QStackedWidget(this);
     auto buttonLayout = new QVBoxLayout();
 
     auto setupButton = [this, buttonLayout](const QString & key, const QString & text, const QIcon & icon, QWidget * w) {
diff --git a/src/widgets/3dview/axisgnomonentity.h b/src/widgets/3dview/axisgnomonentity.h
--- a/src/widgets/3dview/axisgnomonentity.h
+++ b/src/widgets/3dview/axisgnomonentity.h
@@ -36,7 +36,7 @@
     Q_PROPERTY(float scale READ scale WRITE setScale NOTIFY scaleChanged)
 public:
     explicit AxisGnomonEntity(Qt3DCore::QNode *parent = nullptr);
-    ~AxisGnomonEntity();
+    ~AxisGnomonEntity() = default;
 
     QVector2D position() const;
     float scale() const;
diff --git a/src/widgets/3dview/axisgnomonentity.cpp b/src/widgets/3dview/axisgnomonentity.cpp
--- a/src/widgets/3dview/axisgnomonentity.cpp
+++ b/src/widgets/3dview/axisgnomonentity.cpp
@@ -85,10 +85,6 @@
     addComponent(material);
 }
 
-AxisGnomonEntity::~AxisGnomonEntity()
-{
-}
-
 QVector2D AxisGnomonEntity::position() const
 {
     return _position;
diff --git a/src/widgets/3dview/bedproperties.h b/src/widgets/3dview/bedproperties.h
--- a/src/widgets/3dview/bedproperties.h
+++ b/src/widgets/3dview/bedproperties.h
@@ -30,7 +30,7 @@
     Q_PROPERTY(int depth READ depth NOTIFY depthChanged)
 public:
     explicit BedProperties(QObject *parent = nullptr);
-    ~BedProperties();
+    ~BedProperties() = default;
 
     int width() const;
     int depth() const;
diff --git a/src/widgets/3dview/bedproperties.cpp b/src/widgets/3dview/bedproperties.cpp
--- a/src/widgets/3dview/bedproperties.cpp
+++ b/src/widgets/3dview/bedproperties.cpp
@@ -50,10 +50,6 @@
     });
 }
 
-BedProperties::~BedProperties()
-{
-}
-
 int BedProperties::width() const
 {
     return m_width;
diff --git a/src/widgets/3dview/cameracontroller.h b/src/widgets/3dview/cameracontroller.h
--- a/src/widgets/3dview/cameracontroller.h
+++ b/src/widgets/3dview/cameracontroller.h
@@ -28,7 +28,7 @@
     Q_OBJECT
 public:
     explicit CameraController(Qt3DCore::QNode *parent = nullptr);
-    ~CameraController();
+    ~CameraController() = default;
 
 private:
     void moveCamera(const QAbstractCameraController::InputState &state, float dt) override;
diff --git a/src/widgets/3dview/cameracontroller.cpp b/src/widgets/3dview/cameracontroller.cpp
--- a/src/widgets/3dview/cameracontroller.cpp
+++ b/src/widgets/3dview/cameracontroller.cpp
@@ -42,10 +42,6 @@
 {
 }
 
-CameraController::~CameraController()
-{
-}
-
 void CameraController::moveCamera(const Qt3DExtras::QAbstractCameraController::InputState &state, float dt)
 {
     auto cam = camera();
diff --git a/src/widgets/3dview/fileloader.h b/src/widgets/3dview/fileloader.h
--- a/src/widgets/3dview/fileloader.h
+++ b/src/widgets/3dview/fileloader.h
@@ -34,10 +34,17 @@
 
 public:
     FileLoader(QString &fileName, QObject *parent = nullptr);
-    ~FileLoader();
+    ~FileLoader() = default;
 
 private:
     QFile _file;
+    const static QString _commentChar;
+    const static QStringList _moveCommands;
+    const static QString _space;
+    const static QString _E;
+    const static QString _X;
+    const static QString _Y;
+    const static QString _Z;
 
 signals:
     void percentUpdate(QVariant var);
diff --git a/src/widgets/3dview/fileloader.cpp b/src/widgets/3dview/fileloader.cpp
--- a/src/widgets/3dview/fileloader.cpp
+++ b/src/widgets/3dview/fileloader.cpp
@@ -26,27 +26,20 @@
 #include <QVector4D>
 #include "fileloader.h"
 
-namespace
-{
-const static QString _commentChar = QStringLiteral(";");
-const static QStringList _moveCommands = {QStringLiteral("G0"), QStringLiteral("G1")};
-const static QString _space = QStringLiteral(" ");
-const static QString _E = QStringLiteral("E");
-const static QString _X = QStringLiteral("X");
-const static QString _Y = QStringLiteral("Y");
-const static QString _Z = QStringLiteral("Z");
-}
+const QString FileLoader::_commentChar = QStringLiteral(";");
+const QStringList FileLoader::_moveCommands = {QStringLiteral("G0"), QStringLiteral("G1")};
+const QString FileLoader::_space = QStringLiteral(" ");
+const QString FileLoader::_E = QStringLiteral("E");
+const QString FileLoader::_X = QStringLiteral("X");
+const QString FileLoader::_Y = QStringLiteral("Y");
+const QString FileLoader::_Z = QStringLiteral("Z");
 
 FileLoader::FileLoader(QString &fileName, QObject *parent) :
     QObject(parent)
     , _file(fileName)
 {
 }
 
-FileLoader::~FileLoader()
-{
-}
-
 void FileLoader::run()
 {
     QVector<QVector4D> pos;
diff --git a/src/widgets/3dview/gcodeto4d.h b/src/widgets/3dview/gcodeto4d.h
--- a/src/widgets/3dview/gcodeto4d.h
+++ b/src/widgets/3dview/gcodeto4d.h
@@ -28,7 +28,7 @@
 
 public:
     explicit GcodeTo4D(QObject *parent = 0);
-    ~GcodeTo4D();
+    ~GcodeTo4D() = default;
 
 public:
     void read(const QString &url);
@@ -38,6 +38,6 @@
     void posFinished(const QVector<QVector4D> &pos);
 
 private:
-    QThread *_thread;
-    bool _wait;
+    QThread *_thread = nullptr;
+    bool _wait = false;
 };
diff --git a/src/widgets/3dview/gcodeto4d.cpp b/src/widgets/3dview/gcodeto4d.cpp
--- a/src/widgets/3dview/gcodeto4d.cpp
+++ b/src/widgets/3dview/gcodeto4d.cpp
@@ -30,13 +30,9 @@
 {
 }
 
-GcodeTo4D::~GcodeTo4D()
-{
-}
-
 void GcodeTo4D::read(const QString &url)
 {
-    _thread = new QThread;
+    _thread = new QThread(this);
     QString path = QUrl(url).path();
     auto fileLoader = new FileLoader(path);
     fileLoader->moveToThread(_thread);
diff --git a/src/widgets/3dview/gridmesh.h b/src/widgets/3dview/gridmesh.h
--- a/src/widgets/3dview/gridmesh.h
+++ b/src/widgets/3dview/gridmesh.h
@@ -33,7 +33,7 @@
     Q_PROPERTY(QSize meshResolution READ meshResolution WRITE setMeshResolution NOTIFY meshResolutionChanged)
 public:
     explicit GridMesh(Qt3DCore::QNode *parent = nullptr);
-    ~GridMesh();
+    ~GridMesh() = default;
 
     QSize meshResolution() const;
 
diff --git a/src/widgets/3dview/gridmesh.cpp b/src/widgets/3dview/gridmesh.cpp
--- a/src/widgets/3dview/gridmesh.cpp
+++ b/src/widgets/3dview/gridmesh.cpp
@@ -36,10 +36,6 @@
     setMeshResolution(QSize(20, 20));
 }
 
-GridMesh::~GridMesh()
-{
-}
-
 QSize GridMesh::meshResolution() const
 {
     return m_meshResolution;
diff --git a/src/widgets/3dview/linemesh.h b/src/widgets/3dview/linemesh.h
--- a/src/widgets/3dview/linemesh.h
+++ b/src/widgets/3dview/linemesh.h
@@ -37,7 +37,7 @@
 
 public:
     explicit LineMesh(Qt3DCore::QNode *parent = Q_NULLPTR);
-    ~LineMesh();
+    ~LineMesh() = default;
     void read(const QString &path);
     Q_INVOKABLE void readAndRun(const QString &path);
     void posUpdate(const QVector<QVector4D> &pos);
diff --git a/src/widgets/3dview/linemesh.cpp b/src/widgets/3dview/linemesh.cpp
--- a/src/widgets/3dview/linemesh.cpp
+++ b/src/widgets/3dview/linemesh.cpp
@@ -40,10 +40,6 @@
     connect(&_gcode, &GcodeTo4D::posFinished, this, &LineMesh::posUpdate);
 }
 
-LineMesh::~LineMesh()
-{
-}
-
 void LineMesh::readAndRun(const QString &path)
 {
     _gcode.read(path);
diff --git a/src/widgets/3dview/linemeshgeometry.h b/src/widgets/3dview/linemeshgeometry.h
--- a/src/widgets/3dview/linemeshgeometry.h
+++ b/src/widgets/3dview/linemeshgeometry.h
@@ -32,7 +32,7 @@
 
 public:
     LineMeshGeometry(const QVector<QVector3D> &vertices, Qt3DCore::QNode *parent = Q_NULLPTR);
-    ~LineMeshGeometry();
+    ~LineMeshGeometry() = default;
     int vertexCount();
 
 private:
diff --git a/src/widgets/3dview/linemeshgeometry.cpp b/src/widgets/3dview/linemeshgeometry.cpp
--- a/src/widgets/3dview/linemeshgeometry.cpp
+++ b/src/widgets/3dview/linemeshgeometry.cpp
@@ -43,10 +43,6 @@
     addAttribute(_positionAttribute);
 }
 
-LineMeshGeometry::~LineMeshGeometry()
-{
-}
-
 int LineMeshGeometry::vertexCount()
 {
     return _vertexBuffer->data().size() / static_cast<int>(sizeof(QVector3D));
diff --git a/src/widgets/3dview/viewer3d.h b/src/widgets/3dview/viewer3d.h
--- a/src/widgets/3dview/viewer3d.h
+++ b/src/widgets/3dview/viewer3d.h
@@ -39,9 +39,9 @@
 
 public:
     explicit Viewer3D(QWidget *parent = nullptr);
-    ~Viewer3D() override;
+    ~Viewer3D() override = default;
     QSize bedSize();
-    void drawModel(QString file);
+    void drawModel(const QString &file);
 
 private:
     LineMesh *_lineMesh;
diff --git a/src/widgets/3dview/viewer3d.cpp b/src/widgets/3dview/viewer3d.cpp
--- a/src/widgets/3dview/viewer3d.cpp
+++ b/src/widgets/3dview/viewer3d.cpp
@@ -58,27 +58,23 @@
     _view->rootContext()->setContextProperty("viewer3d", this);
     _view->setResizeMode(QQuickView::SizeRootObjectToView);
     _view->setSource(QUrl(QStringLiteral("qrc:/viewer3d.qml")));
-    QHBoxLayout *mainLayout = new QHBoxLayout;
+    auto mainLayout = new QHBoxLayout;
     mainLayout->addWidget(QWidget::createWindowContainer(_view));
     QObject *item = _view->rootObject();
     //Connect the drop pass from the QML part.
     connect(item, SIGNAL(droppedUrls(QVariant)), this, SLOT(dropCatch(QVariant)));
     this->setLayout(mainLayout);
 }
 
-Viewer3D::~Viewer3D()
-{
-}
-
 void Viewer3D::dropCatch(const QVariant &var)
 {
     emit droppedUrls(var.value<QList<QUrl> >());
 }
 
-void Viewer3D::drawModel(QString file)
+void Viewer3D::drawModel(const QString &file)
 {
     QObject *object = _view->rootObject();
-    QObject *fileName = object->findChild<QObject *>(QStringLiteral("fileName"));
+    auto fileName = object->findChild<QObject *>(QStringLiteral("fileName"));
     fileName->setProperty("text", QVariant(file));
 }
 
diff --git a/src/widgets/atcoreinstancewidget.h b/src/widgets/atcoreinstancewidget.h
--- a/src/widgets/atcoreinstancewidget.h
+++ b/src/widgets/atcoreinstancewidget.h
@@ -57,29 +57,29 @@
 
 private:
     AtCore m_core;
-    BedExtruderWidget *m_bedExtWidget;
-    CommandWidget *m_commandWidget;
-    int m_fileCount;
-    LogWidget *m_logWidget;
-    MovementWidget *m_movementWidget;
-    PlotWidget *m_plotWidget;
-    PrintWidget *m_printWidget;
-    SdWidget *m_sdWidget;
-    StatusWidget *m_statusWidget;
-    QAction *m_printAction;
-    QAction *m_stopAction;
-    QComboBox *m_comboPort;
-    QComboBox *m_comboProfile;
+    BedExtruderWidget *m_bedExtWidget = nullptr;
+    CommandWidget *m_commandWidget = nullptr;
+    int m_fileCount = 0;
+    LogWidget *m_logWidget = nullptr;
+    MovementWidget *m_movementWidget = nullptr;
+    PlotWidget *m_plotWidget = nullptr;
+    PrintWidget *m_printWidget = nullptr;
+    SdWidget *m_sdWidget = nullptr;
+    StatusWidget *m_statusWidget = nullptr;
+    QAction *m_printAction = nullptr;
+    QAction *m_stopAction = nullptr;
+    QComboBox *m_comboPort = nullptr;
+    QComboBox *m_comboProfile = nullptr;
     QMap<QString, QVariant> m_profileData;
-    QPushButton *m_connectButton;
+    QPushButton *m_connectButton = nullptr;
     QSettings m_settings;
     QSize m_iconSize;
     QString m_theme;
-    QTabWidget *m_tabWidget;
-    QToolBar *m_connectToolBar;
-    QToolBar *m_toolBar;
-    QWidget *m_advancedTab;
-    QWidget *m_connectWidget;
+    QTabWidget *m_tabWidget = nullptr;
+    QToolBar *m_connectToolBar = nullptr;
+    QToolBar *m_toolBar = nullptr;
+    QWidget *m_advancedTab = nullptr;
+    QWidget *m_connectWidget = nullptr;
     QSize m_bedSize;
     void buildConnectionToolbar();
     void buildToolbar();
diff --git a/src/widgets/atcoreinstancewidget.cpp b/src/widgets/atcoreinstancewidget.cpp
--- a/src/widgets/atcoreinstancewidget.cpp
+++ b/src/widgets/atcoreinstancewidget.cpp
@@ -25,46 +25,42 @@
 
 AtCoreInstanceWidget::AtCoreInstanceWidget(QWidget *parent):
     QWidget(parent)
-    , m_fileCount(0)
-    , m_printAction(nullptr)
-    , m_stopAction(nullptr)
-    , m_toolBar(nullptr)
     , m_bedSize(200, 200)
 {
     m_theme = palette().text().color().value() >= QColor(Qt::lightGray).value() ? QString("dark") : QString("light") ;
     m_iconSize = QSize(fontMetrics().lineSpacing(), fontMetrics().lineSpacing());
-    QHBoxLayout *HLayout = new QHBoxLayout;
-    m_bedExtWidget = new BedExtruderWidget;
+    auto HLayout = new QHBoxLayout;
+    m_bedExtWidget = new BedExtruderWidget(this);
     HLayout->addWidget(m_bedExtWidget);
 
-    m_movementWidget = new MovementWidget(false);
+    m_movementWidget = new MovementWidget(false, this);
     m_movementWidget->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum);
     HLayout->addWidget(m_movementWidget);
 
-    QVBoxLayout *VLayout = new QVBoxLayout;
+    auto VLayout = new QVBoxLayout;
     VLayout->addLayout(HLayout);
 
-    m_plotWidget = new PlotWidget();
+    m_plotWidget = new PlotWidget(this);
     VLayout->addWidget(m_plotWidget, 80);
 
-    QWidget *controlTab = new QWidget();
+    auto controlTab = new QWidget(this);
     controlTab->setLayout(VLayout);
 
     //AdvancedTab
     VLayout = new QVBoxLayout;
-    m_printWidget = new PrintWidget(false);
+    m_printWidget = new PrintWidget(false, this);
     VLayout->addWidget(m_printWidget);
 
-    m_commandWidget = new CommandWidget;
+    m_commandWidget = new CommandWidget(this);
     VLayout->addWidget(m_commandWidget);
 
-    m_logWidget = new LogWidget(new QTemporaryFile(QDir::tempPath() + QStringLiteral("/Atelier_")));
+    m_logWidget = new LogWidget(new QTemporaryFile(QDir::tempPath() + QStringLiteral("/Atelier_")), this);
     VLayout->addWidget(m_logWidget);
 
-    m_advancedTab = new QWidget;
+    m_advancedTab = new QWidget(this);
     m_advancedTab->setLayout(VLayout);
 
-    m_sdWidget = new SdWidget;
+    m_sdWidget = new SdWidget(this);
 
     VLayout = new QVBoxLayout();
     buildToolbar();
@@ -76,13 +72,13 @@
     VLayout->addLayout(HLayout);
     m_toolBar->setHidden(true);
 
-    m_tabWidget = new QTabWidget;
+    m_tabWidget = new QTabWidget(this);
     m_tabWidget->addTab(controlTab, i18n("Controls"));
     m_tabWidget->addTab(m_advancedTab, i18n("Advanced"));
     m_tabWidget->addTab(m_sdWidget, i18n("Sd Card"));
     VLayout->addWidget(m_tabWidget);
 
-    m_statusWidget = new StatusWidget(false);
+    m_statusWidget = new StatusWidget(false, this);
     m_statusWidget->showPrintArea(false);
     VLayout->addWidget(m_statusWidget);
     setLayout(VLayout);
@@ -99,43 +95,41 @@
 
 void AtCoreInstanceWidget::buildToolbar()
 {
-    m_toolBar = new QToolBar();
+    m_toolBar = new QToolBar(this);
     m_toolBar->setIconSize(m_iconSize);
     m_toolBar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 
-    auto lb = new QLabel;
+    auto lb = new QLabel(this);
     QIcon icon = QIcon::fromTheme("go-home", QIcon(QString(":/%1/home").arg(m_theme)));
     lb->setPixmap(icon.pixmap(m_iconSize));
     m_toolBar->addWidget(lb);
-    lb = new QLabel(i18n("Home:"));
+    lb = new QLabel(i18n("Home:"), this);
     m_toolBar->addWidget(lb);
 
     auto homeAll = new QAction(i18n("All"));
     connect(homeAll, &QAction::triggered, this, [this] {
         m_core.home();
     });
     m_toolBar->addAction(homeAll);
 
-    for (auto homes : std::map<QString, int> {{"X", AtCore::X}, {"Y", AtCore::Y}, {"Z", AtCore::Z}}) {
-        auto home = new QAction(homes.first);
+    for (const auto &homes : std::map<QString, int> {{"X", AtCore::X}, {"Y", AtCore::Y}, {"Z", AtCore::Z}}) {
+        auto home = new QAction(homes.first, this);
         connect(home, &QAction::triggered, this, [this, homes] {
             m_core.home(uchar(homes.second));
         });
         m_toolBar->addAction(home);
     }
 
     m_toolBar->addSeparator();
 
-    m_printAction = new QAction(QIcon::fromTheme("media-playback-start", style()->standardIcon(QStyle::SP_MediaPlay)), i18n("Print"));
+    m_printAction = new QAction(QIcon::fromTheme("media-playback-start", style()->standardIcon(QStyle::SP_MediaPlay)), i18n("Print"), this);
     connect(m_printAction, &QAction::triggered, this, [this] {
-
         if (m_core.state() == AtCore::BUSY)
         {
             m_logWidget->appendLog(i18n("Pause Print"));
             pausePrint();
             return;
         }
-
         if (m_core.state() == AtCore::IDLE)
         {
             print();
@@ -147,47 +141,47 @@
     });
     m_toolBar->addAction(m_printAction);
 
-    m_stopAction = new QAction(QIcon::fromTheme("media-playback-stop", QIcon(QString(":/%1/stop").arg(m_theme))), i18n("Stop"));
+    m_stopAction = new QAction(QIcon::fromTheme("media-playback-stop", QIcon(QStringLiteral(":/%1/stop").arg(m_theme))), i18n("Stop"), this);
     connect(m_stopAction, &QAction::triggered, this, &AtCoreInstanceWidget::stopPrint);
     connect(m_stopAction, &QAction::triggered, this, [this] {
         m_printAction->setText(i18n("Print"));
-        m_printAction->setIcon(QIcon::fromTheme("media-playback-start", QIcon(QString(":/%1/start").arg(m_theme))));
+        m_printAction->setIcon(QIcon::fromTheme("media-playback-start", QIcon(QStringLiteral(":/%1/start").arg(m_theme))));
     });
     m_toolBar->addAction(m_stopAction);
 
-    auto disableMotorsAction = new QAction(style()->standardIcon(QStyle::SP_MediaStop), i18n("Disable Motors"));
+    auto disableMotorsAction = new QAction(style()->standardIcon(QStyle::SP_MediaStop), i18n("Disable Motors"), this);
     connect(disableMotorsAction, &QAction::triggered, this, &AtCoreInstanceWidget::disableMotors);
     m_toolBar->addAction(disableMotorsAction);
 
     togglePrintButtons(m_fileCount);
 }
 
 void AtCoreInstanceWidget::buildConnectionToolbar()
 {
-    m_connectToolBar = new QToolBar();
-    m_comboPort = new QComboBox;
+    m_connectToolBar = new QToolBar(this);
+    m_comboPort = new QComboBox(this);
     m_comboPort->setEditable(true);
-    QLabel *deviceLabel = new QLabel(i18n("Device"));
-    QHBoxLayout *deviceLayout = new QHBoxLayout;
+    auto deviceLabel = new QLabel(i18n("Device"), this);
+    auto deviceLayout = new QHBoxLayout;
     deviceLayout->addWidget(deviceLabel);
     deviceLayout->addWidget(m_comboPort, 100);
 
-    m_comboProfile = new QComboBox;
+    m_comboProfile = new QComboBox(this);
     m_comboProfile->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
-    QHBoxLayout *profileLayout = new QHBoxLayout;
-    QLabel *profileLabel = new QLabel(i18n("Profile"));
+    auto profileLayout = new QHBoxLayout;
+    auto profileLabel = new QLabel(i18n("Profile"), this);
     profileLayout->addWidget(profileLabel);
     profileLayout->addWidget(m_comboProfile, 100);
 
-    QHBoxLayout *connectLayout = new QHBoxLayout;
+    auto connectLayout = new QHBoxLayout;
     connectLayout->addLayout(deviceLayout, 50);
     connectLayout->addLayout(profileLayout, 50);
 
-    m_connectWidget = new QWidget();
+    m_connectWidget = new QWidget(this);
     m_connectWidget->setLayout(connectLayout);
     m_connectToolBar->addWidget(m_connectWidget);
 
-    m_connectButton = new QPushButton(QIcon::fromTheme("network-connect", QIcon(QString(":/%1/connect").arg(m_theme))), i18n("Connect"));
+    m_connectButton = new QPushButton(QIcon::fromTheme("network-connect", QIcon(QString(":/%1/connect").arg(m_theme))), i18n("Connect"), this);
     m_connectButton->setIconSize(m_iconSize);
     m_connectButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
     connect(this, &AtCoreInstanceWidget::disableDisconnect, m_connectButton, &QPushButton::setDisabled);
@@ -336,7 +330,8 @@
             , i18n("No filename sent from calling method, please check and try again.")
         );
         return;
-    } else if (!QFileInfo(fileName.toLocalFile()).isReadable()) {
+    }
+    if (!QFileInfo(fileName.toLocalFile()).isReadable()) {
         QMessageBox::critical(
             this
             , i18n("File not found")
@@ -449,7 +444,6 @@
     } break;
     default:
         m_logWidget->appendLog(i18n("Unknown AtCore State, %1", newState));
-        qWarning("AtCore State not Recognized.");
         break;
     }
     m_statusWidget->setState(stateString);
@@ -460,33 +454,31 @@
     static QString msg;
     switch (sensorType) {
     case 0x00: // bed
-        msg = QString::fromLatin1("Bed Temperature ");
+        msg = QString::fromLatin1("Bed Temperature");
         break;
 
     case 0x01: // bed target
-        msg = QString::fromLatin1("Bed Target Temperature ");
+        msg = QString::fromLatin1("Bed Target Temperature");
         break;
 
     case 0x02: // extruder
-        msg = QString::fromLatin1("Extruder Temperature ");
+        msg = QString::fromLatin1("Extruder[%1] Temperature").arg(QString::number(number));
         break;
 
     case 0x03: // extruder target
-        msg = QString::fromLatin1("Extruder Target Temperature ");
+        msg = QString::fromLatin1("Extruder[%1] Target Temperature").arg(QString::number(number));
         break;
 
     case 0x04: // enclosure
-        msg = QString::fromLatin1("Enclosure Temperature ");
+        msg = QString::fromLatin1("Enclosure Temperature");
         break;
 
     case 0x05: // enclosure target
-        msg = QString::fromLatin1("Enclosure Target Temperature ");
+        msg = QString::fromLatin1("Enclosure Target Temperature");
         break;
     }
 
-    msg.append(QString::fromLatin1("[%1] : %2"));
-    msg = msg.arg(QString::number(number))
-          .arg(QString::number(double(temp), 'f', 2));
+    msg.append(QString::fromLatin1(": %1").arg(QString::number(double(temp), 'f', 2)));
     m_logWidget->appendLog(msg);
 }
 
@@ -573,7 +565,7 @@
         , {"bedTemp", m_settings.value(QStringLiteral("maximumTemperatureBed"), QStringLiteral("0"))}
         , {"hotendTemp", m_settings.value(QStringLiteral("maximumTemperatureExtruder"), QStringLiteral("0"))}
         , {"firmware", m_settings.value(QStringLiteral("firmware"), QStringLiteral("Auto-Detect"))}
-        , {"postPause", m_settings.value(QStringLiteral("postPause"), QStringLiteral(""))}
+        , {"postPause", m_settings.value(QStringLiteral("postPause"), QString())}
         , {"heatedBed", m_settings.value(QStringLiteral("heatedBed"), true)}
         , {"name", profile}
         , {"isCartesian", m_settings.value(QStringLiteral("isCartesian"), true)}
diff --git a/src/widgets/bedextruderwidget.h b/src/widgets/bedextruderwidget.h
--- a/src/widgets/bedextruderwidget.h
+++ b/src/widgets/bedextruderwidget.h
@@ -32,6 +32,7 @@
 
 public:
     explicit BedExtruderWidget(QWidget *parent = nullptr);
+    ~BedExtruderWidget() = default;
     void setExtruderCount(int value);
     void setBedMaxTemperature(int value);
     void setExtruderMaxTemperature(int value);
diff --git a/src/widgets/bedextruderwidget.cpp b/src/widgets/bedextruderwidget.cpp
--- a/src/widgets/bedextruderwidget.cpp
+++ b/src/widgets/bedextruderwidget.cpp
@@ -35,7 +35,7 @@
     m_extruderThermo->setScale(0, 250);
     m_extruderBox->setLayout(m_extrudersLayout);
 
-    auto *label = new QLabel(i18n("Active Extruder:"));
+    auto *label = new QLabel(i18n("Active Extruder:"), this);
     m_extrudersLayout->addWidget(label);
 
     auto *layout = new QHBoxLayout;
@@ -48,12 +48,10 @@
     setExtruderCount(1);
 
     connect(m_bedThermo, &ThermoWidget::targetTemperatureChanged, this, [this](int v) {
-        qDebug() << "Receiving the temperature change for bed";
         emit bedTemperatureChanged(v, false);
     });
 
     connect(m_extruderThermo, &ThermoWidget::targetTemperatureChanged, this, [this](int v) {
-        qDebug() << "Receiving the temperature changed for thermo";
         emit extTemperatureChanged(v, currentExtruder(), false);
     });
 }
@@ -63,10 +61,12 @@
     value > 1 ? m_extruderBox->setVisible(true) : m_extruderBox->setVisible(false);
     if (value == m_extruderCount) {
         return;
-    } else if (m_extruderCount < value) {
+    }
+
+    if (m_extruderCount < value) {
         //loop for the new buttons
         for (int i = m_extruderCount; i < value; i++) {
-            auto *rb = new QRadioButton(QString::number(i + 1));
+            auto *rb = new QRadioButton(QString::number(i + 1), this);
             m_extrudersLayout->addWidget(rb);
             extruderMap.insert(i, rb);
         }
diff --git a/src/widgets/gcodeeditorwidget.h b/src/widgets/gcodeeditorwidget.h
--- a/src/widgets/gcodeeditorwidget.h
+++ b/src/widgets/gcodeeditorwidget.h
@@ -30,14 +30,15 @@
     Q_OBJECT
 public:
     explicit GCodeEditorWidget(QWidget *parent = nullptr);
+    ~GCodeEditorWidget() = default;
     void loadFile(const QUrl &file);
     QVector<QUrl> modifiedFiles();
     bool saveFile(const QUrl &url);
 
 private:
     QMap<QUrl, KTextEditor::Document *> urlDoc;
     QMap<QUrl, QWidget *> urlTab;
-    KTextEditor::ConfigInterface *m_interface;
+    KTextEditor::ConfigInterface *m_interface = nullptr;
     KTextEditor::Document *newDoc(const QUrl &file);
     KTextEditor::Editor *m_editor;
     KTextEditor::View *newView(KTextEditor::Document *doc);
diff --git a/src/widgets/gcodeeditorwidget.cpp b/src/widgets/gcodeeditorwidget.cpp
--- a/src/widgets/gcodeeditorwidget.cpp
+++ b/src/widgets/gcodeeditorwidget.cpp
@@ -25,12 +25,12 @@
 
 GCodeEditorWidget::GCodeEditorWidget(QWidget *parent) :
     QWidget(parent)
-    , m_tabwidget(new QTabWidget())
+    , m_tabwidget(new QTabWidget(this))
 {
     setAcceptDrops(true);
     m_editor = KTextEditor::Editor::instance();
     setupTabWidget();
-    QVBoxLayout *layout = new QVBoxLayout();
+    auto layout = new QVBoxLayout();
     layout->addWidget(m_tabwidget);
     setLayout(layout);
 }
diff --git a/src/widgets/thermowidget.h b/src/widgets/thermowidget.h
--- a/src/widgets/thermowidget.h
+++ b/src/widgets/thermowidget.h
@@ -32,7 +32,8 @@
     Q_OBJECT
 
 public:
-    ThermoWidget(QWidget *parent, QString name);
+    ThermoWidget(QWidget *parent, const QString &name);
+    ~ThermoWidget() = default;
 
     void drawNeedle(QPainter *painter, const QPointF &center,
                     double radius, double dir, QPalette::ColorGroup colorGroup) const;
diff --git a/src/widgets/thermowidget.cpp b/src/widgets/thermowidget.cpp
--- a/src/widgets/thermowidget.cpp
+++ b/src/widgets/thermowidget.cpp
@@ -27,11 +27,11 @@
 #include <QWheelEvent>
 #include "thermowidget.h"
 
-ThermoWidget::ThermoWidget(QWidget *parent, QString name) :
+ThermoWidget::ThermoWidget(QWidget *parent, const QString &name) :
     QwtDial(parent)
     , m_targetTemperatureNeedle(new QwtDialSimpleNeedle(QwtDialSimpleNeedle::Arrow, false, Qt::red, Qt::darkRed))
     , m_name(name)
-    , m_tempChangedTimer(new QTimer())
+    , m_tempChangedTimer(new QTimer(this))
     , m_currentTemperature(0)
     , m_targetTemperature(0)
 {
@@ -42,7 +42,7 @@
     setReadOnly(false);
     setFocusPolicy(Qt::StrongFocus);
 
-    m_cursorTimer = new QTimer();
+    m_cursorTimer = new QTimer(this);
     connect(m_cursorTimer, &QTimer::timeout, this, [this] {
         m_paintCursor = !m_paintCursor;
         update();
diff --git a/src/widgets/videomonitorwidget.h b/src/widgets/videomonitorwidget.h
--- a/src/widgets/videomonitorwidget.h
+++ b/src/widgets/videomonitorwidget.h
@@ -27,9 +27,10 @@
 
 public:
     explicit VideoMonitorWidget(QWidget *parent = nullptr);
+    ~VideoMonitorWidget() = default;
 
 private:
-    QLabel *_errorlabel;
+    QLabel *_errorlabel = nullptr;
     QMediaPlayer _mediaplayer;
     void handleError();
 };
diff --git a/src/widgets/videomonitorwidget.cpp b/src/widgets/videomonitorwidget.cpp
--- a/src/widgets/videomonitorwidget.cpp
+++ b/src/widgets/videomonitorwidget.cpp
@@ -25,30 +25,30 @@
 
 VideoMonitorWidget::VideoMonitorWidget(QWidget *parent) :
     QWidget(parent)
-    , _mediaplayer(nullptr, QMediaPlayer::StreamPlayback)
+    , _errorlabel(new QLabel(this))
+    , _mediaplayer(this, QMediaPlayer::StreamPlayback)
 {
     auto _layout = new QGridLayout();
-    auto _label = new QLabel(i18n("Source url:"));
+    auto _label = new QLabel(i18n("Source url:"), this);
     _layout->addWidget(_label, 0, 0);
 
-    auto _sourceCB = new QComboBox();
+    auto _sourceCB = new QComboBox(this);
     _sourceCB->setEditable(true);
     _sourceCB->setToolTip(i18n("Valid Urls:\n\
         http://www.example.com/stream.avi\n\
         rtp://@:1234\n\
         mms://mms.examples.com/stream.asx\n\
         rtsp://server.example.org:8080/test.sdp"));
     _layout->addWidget(_sourceCB, 0, 1);
 
-    auto _playPB = new QPushButton();
+    auto _playPB = new QPushButton(this);
     _playPB->setCheckable(true);
     _playPB->setIcon(QIcon::fromTheme("media-playback-start", style()->standardIcon(QStyle::SP_MediaPlay)));
     _layout->addWidget(_playPB, 0, 2);
 
-    auto _videoWidget = new QVideoWidget();
+    auto _videoWidget = new QVideoWidget(this);
     _layout->addWidget(_videoWidget, 1, 0, -1, -1);
 
-    _errorlabel = new QLabel;
     _layout->addWidget(_errorlabel, 2, 0, 0, -1);
 
     this->setLayout(_layout);
@@ -77,8 +77,7 @@
         }
         _videoWidget->setVisible(b);
     });
-
-    typedef void (QMediaPlayer::*ErrorSignal)(QMediaPlayer::Error);
+    using ErrorSignal = void (QMediaPlayer::*)(QMediaPlayer::Error);
     connect(&_mediaplayer, static_cast<ErrorSignal>(&QMediaPlayer::error),
             this, &VideoMonitorWidget::handleError);
 }
diff --git a/src/widgets/welcomewidget.h b/src/widgets/welcomewidget.h
--- a/src/widgets/welcomewidget.h
+++ b/src/widgets/welcomewidget.h
@@ -36,7 +36,7 @@
 
 public:
     WelcomeWidget(QWidget *parent = nullptr);
-    ~WelcomeWidget();
+    ~WelcomeWidget() = default;
 
 private:
     QWidget *m_newsFeedWidget;
@@ -46,4 +46,7 @@
     void retrieveRssFeed();
     void setNewsLayout(QLayout *newLayout);
     void setupRssFeed();
+    static const QString m_telegramLink;
+    static const QString m_documentsLink;
+    static const QString m_linkClose;
 };
diff --git a/src/widgets/welcomewidget.cpp b/src/widgets/welcomewidget.cpp
--- a/src/widgets/welcomewidget.cpp
+++ b/src/widgets/welcomewidget.cpp
@@ -1,6 +1,7 @@
 /* Atelier KDE Printer Host for 3D Printing
     Copyright (C) <2018>
     Author: Lays Rodrigues - lays.rodrigues@kde.org
+            Chris Rizzitello - rizzitello@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
@@ -33,73 +34,78 @@
 #include "welcomewidget.h"
 
 #define POSTS_LIMIT 5
+const QString WelcomeWidget::m_telegramLink = QStringLiteral(R"(<a href="http://t.me/KDEAtelier">)");
+const QString WelcomeWidget::m_documentsLink = QStringLiteral(R"(<a href="http://atelier.kde.org/documentation/atelier">)");
+const QString WelcomeWidget::m_linkClose = QStringLiteral("</a>");
 
-WelcomeWidget::WelcomeWidget(QWidget *parent): QWidget(parent), m_newsFeedWidget(new QWidget)
+WelcomeWidget::WelcomeWidget(QWidget *parent)
+    : QWidget(parent)
+    , m_newsFeedWidget(new QWidget(this))
 {
     QFont appFont = font();
 
     auto hlayout = new QHBoxLayout;
     auto layout = new QVBoxLayout;
-    auto label = new QLabel;
+    auto label = new QLabel(this);
 
     label->setText(i18n("Welcome to Atelier!"));
     appFont.setPointSize(font().pointSize() + 4);
     label->setFont(appFont);
     hlayout->addWidget(label);
 
-    label = new QLabel;
+    label = new QLabel(this);
     label->setPixmap(QPixmap(":/icon/logo"));
     label->setLayoutDirection(Qt::LayoutDirection::RightToLeft);
     hlayout->addWidget(label);
     layout->addItem(hlayout);
 
-    auto line = new QFrame;
+    auto line = new QFrame(this);
     line->setFrameShape(QFrame::HLine);
     layout->addWidget(line);
 
     appFont.setPointSize(font().pointSize() + 2);
-    label = new QLabel(i18n("Quick Connect Guide"));
+    label = new QLabel(i18n("Quick Connect Guide"), this);
     label->setFont(appFont);
     layout->addWidget(label);
 
     for (const QString &sentence : {
                 i18n("1 - Create a Profile."), i18n("2 - Select the device."), i18n("3 - Select the profile and connect.")
             }) {
-        label = new QLabel(sentence);
+        label = new QLabel(sentence, this);
         layout->addWidget(label);
     }
 
-    label = new QLabel(i18n("Having a connection problem?"));
+    label = new QLabel(i18n("Having a connection problem?"), this);
     label->setFont(appFont);
     layout->addWidget(label);
 
-    label = new QLabel(i18n("See the info section of the Log for common problems."));
+    label = new QLabel(i18n("See the info section of the Log for common problems."), this);
     layout->addWidget(label);
 
-    label = new QLabel(i18n("Check our <a href=\"http://atelier.kde.org/documentation/atelier\">Atelier Docs</a> for more information."));
+    label = new QLabel(i18n("Check our %1Atelier Docs%2 for more information.", m_documentsLink, m_linkClose), this);
     label->setOpenExternalLinks(true);
     layout->addWidget(label);
 
-    label = new QLabel(i18n("Check our last news!"));
+    label = new QLabel(i18n("Atelier news!"), this);
     label->setFont(appFont);
     layout->addWidget(label);
     retrieveRssFeed();
     layout->addWidget(m_newsFeedWidget);
 
-    label = new QLabel(i18n("Get Involved"));
+    label = new QLabel(i18n("Get Involved"), this);
     label->setFont(appFont);
     layout->addWidget(label);
 
-    label = new QLabel(QString("<a href=\"http://t.me/KDEAtelier\">") + i18n("Join our Telegram Group!") + QString("</a>"));
+    label = new QLabel(i18n("Join our %1Telegram Group%2!", m_telegramLink, m_linkClose), this);
     label->setOpenExternalLinks(true);
     layout->addWidget(label);
 
-    label = new QLabel(i18n("You can also find us on Freenode IRC #kde-atelier"));
+    label = new QLabel(i18n("You can also find us on Freenode IRC #kde-atelier"), this);
     layout->addWidget(label);
 
     layout->addStretch();
 
-    auto infoWidget = new QWidget();
+    auto infoWidget = new QWidget(this);
     infoWidget->setLayout(layout);
 
     auto scrollArea = new QScrollArea(this);
@@ -111,14 +117,9 @@
     setLayout(layout);
 }
 
-WelcomeWidget::~WelcomeWidget()
-{
-
-}
-
 void WelcomeWidget::retrieveRssFeed()
 {
-    auto manager = new QNetworkAccessManager();
+    auto manager = new QNetworkAccessManager(this);
     for (const QUrl &url : {
                 QUrl("https://rizzitello.wordpress.com/category/atelier/feed/"),
                 QUrl("https://laysrodriguesdev.wordpress.com/category/atelier/feed/")
@@ -129,20 +130,19 @@
         connect(manager, &QNetworkAccessManager::finished, this, [&](QNetworkReply * reply) {
             if (reply->error()) {
                 return;
-            } else {
-                QDomDocument document;
-                if (document.setContent(reply->readAll())) {
-                    parseRss(document);
-                }
+            }
+            QDomDocument document;
+            if (document.setContent(reply->readAll())) {
+                parseRss(document);
             }
         });
     }
 }
 
 void WelcomeWidget::parseRss(const QDomDocument &document)
 {
     auto itemList = document.elementsByTagName("item");
-    QRegularExpression dateRegex("(?<date>\\d{2} \\w{3} \\d{4})");
+    QRegularExpression dateRegex(QStringLiteral(R"((?<date>\d{2} \w{3} \d{4}))"));
 
     for (int i = 0; i < itemList.count(); ++i) {
         auto node = itemList.at(i);