From ef6fbe373fb1463a341f1c88da32c0aa05c3ba39 Mon Sep 17 00:00:00 2001
From: Thomas Hartmann <thomas.hartmann@qt.io>
Date: Wed, 23 Feb 2022 17:56:00 +0100
Subject: [PATCH] QmlDesigner: Fix crash

For some files rootFormEditorItem() can be null.

Change-Id: I71672e4d43bfd086011f6a6cb3c93572f6ba0a05
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
---
 .../qmldesigner/components/formeditor/formeditorwidget.cpp     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp b/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp
index aa99d7fcf12..6991c561414 100644
--- a/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp
+++ b/src/plugins/qmldesigner/components/formeditor/formeditorwidget.cpp
@@ -357,7 +357,8 @@ void FormEditorWidget::initialize()
             defaultZoom = m_formEditorView->rootModelNode().auxiliaryData("formeditorZoom").toDouble();
     }
     m_graphicsView->setZoomFactor(defaultZoom);
-    m_graphicsView->centerOn(m_formEditorView->scene()->rootFormEditorItem());
+    if (m_formEditorView->scene() && m_formEditorView->scene()->rootFormEditorItem())
+        m_graphicsView->centerOn(m_formEditorView->scene()->rootFormEditorItem());
     m_zoomAction->setZoomFactor(defaultZoom);
     updateActions();
 }