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);
@@ -220,9 +220,10 @@
     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"));
+    QString path = qApp->applicationDirPath();
+    paths.prepend(path + QStringLiteral("/../Plugins/AtCore"));
+    paths.prepend(path + QStringLiteral("/AtCore"));
+    paths.prepend(path + QStringLiteral("/plugins"));
     for (const QString &path : paths) {
         firmwares = firmwaresInPath(path);
         if (!firmwares.isEmpty()) {
diff --git a/src/main.cpp b/src/main.cpp
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -65,7 +65,7 @@
     aboutData.setOtherText(i18n("Using AtCore:%1", QString(ATCORE_VERSION_STRING)));
     KAboutData::setApplicationData(aboutData);
 
-    MainWindow *m = new MainWindow();
+    auto m = new MainWindow();
     m->setWindowIcon(QIcon(":/icon/atelier"));
     m->show();
     return app.exec();
diff --git a/src/mainwindow.h b/src/mainwindow.h
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -59,7 +59,7 @@
     void dropEvent(QDropEvent *event);
 
 private:
-    GCodeEditorWidget *m_gcodeEditor;
+    GCodeEditorWidget *m_gcodeEditor = nullptr;
     KTextEditor::View *m_currEditorView;
     int m_currInstance;
     LateralArea m_lateral;
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -70,7 +70,7 @@
 
     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;
@@ -182,7 +182,8 @@
                          );
             if (result == QMessageBox::Cancel) {
                 return;
-            } else if (result == QMessageBox::Save) {
+            }
+            if (result == QMessageBox::Save) {
                 m_gcodeEditor->saveFile(file);
             }
         }
@@ -425,7 +426,7 @@
     auto hLayout = new QHBoxLayout();
     auto saveBtn = new QPushButton(QIcon::fromTheme("document-save", QIcon(QStringLiteral(":/%1/save").arg(m_theme))), i18n("Save Selected"));
     saveBtn->setIconSize(iconSize);
-    connect(saveBtn, &QPushButton::clicked, this, [this, &listWidget, &fileList, &dialog] {
+    connect(saveBtn, &QPushButton::clicked, this, [this, listWidget, &fileList, dialog] {
         if (!m_gcodeEditor->saveFile(fileList.at(listWidget->currentRow())))
         {
             QMessageBox::information(this, i18n("Save Failed"), i18n("Failed to save file: %1").arg(fileList.at(listWidget->currentRow()).toLocalFile()));
@@ -447,7 +448,7 @@
 
     auto saveAllBtn = new QPushButton(QIcon::fromTheme("document-save-all", QIcon(QStringLiteral(":/%1/saveAll").arg(m_theme))), i18n("Save All"));
     saveAllBtn->setIconSize(iconSize);
-    connect(saveAllBtn, &QPushButton::clicked, this, [this, &listWidget, &fileList, &dialog] {
+    connect(saveAllBtn, &QPushButton::clicked, this, [this, listWidget, &fileList, dialog] {
         for (int i = 0; i < listWidget->count(); i++)
         {
             if (!m_gcodeEditor->saveFile(fileList.at(i))) {
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
@@ -34,7 +34,7 @@
 
 public:
     FileLoader(QString &fileName, QObject *parent = nullptr);
-    ~FileLoader();
+    ~FileLoader() = default;
 
 private:
     QFile _file;
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
@@ -26,7 +26,7 @@
 #include <QVector4D>
 #include "fileloader.h"
 
-namespace
+namespace ns
 {
 const static QString _commentChar = QStringLiteral(";");
 const static QStringList _moveCommands = {QStringLiteral("G0"), QStringLiteral("G1")};
@@ -43,10 +43,6 @@
 {
 }
 
-FileLoader::~FileLoader()
-{
-}
-
 void FileLoader::run()
 {
     QVector<QVector4D> pos;
@@ -71,51 +67,51 @@
                 continue;
             }
             //Remove comment in the end of command
-            if (line.indexOf(_commentChar) != -1) {
-                line.resize(line.indexOf(_commentChar));
+            if (line.indexOf(ns::_commentChar) != -1) {
+                line.resize(line.indexOf(ns::_commentChar));
                 //Remove trailing spaces
                 line = line.simplified();
             }
 
             //Split command and args
-            QStringList commAndArgs = line.split(_space);
+            QStringList commAndArgs = line.split(ns::_space);
 
-            if (_moveCommands.contains(commAndArgs[0])) {
+            if (ns::_moveCommands.contains(commAndArgs[0])) {
                 QVector4D actualPos;
                 //Compute args
                 commAndArgs.removeFirst();
                 for (QString element : commAndArgs) {
-                    if (element.contains(_X)) {
+                    if (element.contains(ns::_X)) {
                         actualPos.setX(element.remove(0, 1).toFloat() / 10);
                     }
 
-                    if (element.contains(_Y)) {
+                    if (element.contains(ns::_Y)) {
                         actualPos.setY(element.remove(0, 1).toFloat() / 10);
                     }
 
-                    if (element.contains(_Z)) {
+                    if (element.contains(ns::_Z)) {
                         actualPos.setZ(element.remove(0, 1).toFloat() / 10);
                     }
 
-                    if (element.contains(_E)) {
+                    if (element.contains(ns::_E)) {
                         actualPos.setW(element.remove(0, 1).toFloat() / 10);
                     }
                 }
 
                 if (!pos.isEmpty()) {
-                    if (!line.contains(_X)) {
+                    if (!line.contains(ns::_X)) {
                         actualPos.setX(pos.last().x());
                     }
 
-                    if (!line.contains(_Y)) {
+                    if (!line.contains(ns::_Y)) {
                         actualPos.setY(pos.last().y());
                     }
 
-                    if (!line.contains(_Z)) {
+                    if (!line.contains(ns::_Z)) {
                         actualPos.setZ(pos.last().z());
                     }
 
-                    if (!line.contains(_E)) {
+                    if (!line.contains(ns::_E)) {
                         actualPos.setW(pos.last().w());
                     }
                 }
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
@@ -30,10 +30,6 @@
 {
 }
 
-GcodeTo4D::~GcodeTo4D()
-{
-}
-
 void GcodeTo4D::read(const QString &url)
 {
     _thread = new QThread;
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
@@ -68,18 +68,18 @@
     StatusWidget *m_statusWidget;
     QAction *m_printAction;
     QAction *m_stopAction;
-    QComboBox *m_comboPort;
-    QComboBox *m_comboProfile;
+    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_connectToolBar = nullptr;
     QToolBar *m_toolBar;
     QWidget *m_advancedTab;
-    QWidget *m_connectWidget;
+    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
@@ -33,38 +33,38 @@
 {
     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 +76,13 @@
     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 +99,41 @@
 
 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 +145,47 @@
     });
     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(QString(":/%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_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 +334,8 @@
             , 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 +448,6 @@
     } break;
     default:
         m_logWidget->appendLog(i18n("Unknown AtCore State, %1", newState));
-        qWarning("AtCore State not Recognized.");
         break;
     }
     m_statusWidget->setState(stateString);
@@ -460,33 +458,31 @@
     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 Temperature [%1]").arg(QString::number(number));
         break;
 
     case 0x03: // extruder target
-        msg = QString::fromLatin1("Extruder Target Temperature ");
+        msg = QString::fromLatin1("Extruder Target Temperature [%1]").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 +569,7 @@
         , {"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.cpp b/src/widgets/bedextruderwidget.cpp
--- a/src/widgets/bedextruderwidget.cpp
+++ b/src/widgets/bedextruderwidget.cpp
@@ -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);
     });
 }
@@ -63,7 +61,9 @@
     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));
diff --git a/src/widgets/gcodeeditorwidget.h b/src/widgets/gcodeeditorwidget.h
--- a/src/widgets/gcodeeditorwidget.h
+++ b/src/widgets/gcodeeditorwidget.h
@@ -37,7 +37,7 @@
 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
@@ -30,7 +30,7 @@
     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 +32,7 @@
     Q_OBJECT
 
 public:
-    ThermoWidget(QWidget *parent, QString name);
+    ThermoWidget(QWidget *parent, const QString &name);
 
     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
@@ -27,7 +27,7 @@
 #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)
diff --git a/src/widgets/videomonitorwidget.cpp b/src/widgets/videomonitorwidget.cpp
--- a/src/widgets/videomonitorwidget.cpp
+++ b/src/widgets/videomonitorwidget.cpp
@@ -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;
diff --git a/src/widgets/welcomewidget.cpp b/src/widgets/welcomewidget.cpp
--- a/src/widgets/welcomewidget.cpp
+++ b/src/widgets/welcomewidget.cpp
@@ -111,11 +111,6 @@
     setLayout(layout);
 }
 
-WelcomeWidget::~WelcomeWidget()
-{
-
-}
-
 void WelcomeWidget::retrieveRssFeed()
 {
     auto manager = new QNetworkAccessManager();
@@ -129,20 +124,19 @@
         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);