diff --git a/app/include/MainWindow.h b/app/include/MainWindow.h
index d16d4f5..08f87a3 100644
--- a/app/include/MainWindow.h
+++ b/app/include/MainWindow.h
@@ -46,13 +46,15 @@ class MainWindow : public QMainWindow {
     Q_OBJECT
 
 public:
-    explicit MainWindow(QWidget *parent = 0);
-    virtual ~MainWindow();
+    explicit MainWindow(QWidget *parent = nullptr);
+    virtual ~MainWindow() override;
 public slots:
 
 protected:
-    void changeEvent(QEvent *e);
-    void closeEvent(QCloseEvent *event);
+    void changeEvent(QEvent *e) override;
+    void closeEvent(QCloseEvent *event) override;
+
+    void keyPressEvent(QKeyEvent *event) override;
 
 private:
     std::unique_ptr<Ui::MainWindow> m_Ui;
diff --git a/app/src/MainWindow.cpp b/app/src/MainWindow.cpp
index 7fe304d..54f09a0 100644
--- a/app/src/MainWindow.cpp
+++ b/app/src/MainWindow.cpp
@@ -350,6 +350,25 @@ void MainWindow::closeEvent(QCloseEvent *event)
     }
 }
 
+void MainWindow::keyPressEvent(QKeyEvent *event)
+{
+    switch (event->key())
+    {
+    case Qt::Key_F11:
+        if(this->isFullScreen())
+        {
+            this->showNormal();
+        }
+        else
+        {
+            this->showFullScreen();
+        }
+        break;
+    default:
+        break;
+    }
+}
+
 bool MainWindow::MainWindowPrivate::checkDataToSave(QWidget *parentWidget)
 {
     auto hasChanges = sqpApp->catalogueController().hasChanges();
diff --git a/gui/src/Visualization/VisualizationGraphWidget.cpp b/gui/src/Visualization/VisualizationGraphWidget.cpp
index 8a86c37..5c92b11 100644
--- a/gui/src/Visualization/VisualizationGraphWidget.cpp
+++ b/gui/src/Visualization/VisualizationGraphWidget.cpp
@@ -863,7 +863,8 @@ void VisualizationGraphWidget::mouseMoveEvent(QMouseEvent *event)
     {
         impl->m_RenderingDelegate->updateTooltip(event);
     }
-    event->accept();
+    //event->accept();
+    QWidget::mouseMoveEvent(event);
 }
 
 void VisualizationGraphWidget::mouseReleaseEvent(QMouseEvent *event)
@@ -923,7 +924,8 @@ void VisualizationGraphWidget::mousePressEvent(QMouseEvent *event)
             impl->enterPlotDrag(event->pos());
         }
     }
-    event->accept();
+    //event->accept();
+    QWidget::mousePressEvent(event);
 }
 
 void VisualizationGraphWidget::mouseDoubleClickEvent(QMouseEvent *event)
@@ -945,7 +947,7 @@ void VisualizationGraphWidget::keyReleaseEvent(QKeyEvent *event)
             break;
     }
     setCursor(Qt::ArrowCursor);
-    event->accept();
+    //event->accept();
 }
 
 void VisualizationGraphWidget::keyPressEvent(QKeyEvent *event)