From b89b674a1dd36e62a09632304c0ef8cc14bd858e Mon Sep 17 00:00:00 2001
From: Torsten Sadowski <tsadowski@gmx.net>
Date: Wed, 8 Jul 2020 00:30:05 +0200
Subject: [PATCH] Fix for Bug #4372

---
 src/Gui/MainWindow.cpp | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/Gui/MainWindow.cpp b/src/Gui/MainWindow.cpp
index 458993b560..d53de6ff6d 100644
--- a/src/Gui/MainWindow.cpp
+++ b/src/Gui/MainWindow.cpp
@@ -810,12 +810,9 @@ bool MainWindow::event(QEvent *e)
         if (!temp)
             return true;
         View3DInventorViewer *view = temp->getViewer();
-        if (!view)
-            return true;
-        QWidget *viewWidget = view->getGLWidget();
-        if (viewWidget) {
+        if (view) {
             Spaceball::MotionEvent anotherEvent(*motionEvent);
-            qApp->sendEvent(viewWidget, &anotherEvent);
+            qApp->sendEvent(view, &anotherEvent);
         }
         return true;
     }else if(e->type() == QEvent::StatusTip) {