From bd6735621c1b9dcdf2a0cbad17effcf281b33964 Mon Sep 17 00:00:00 2001
From: Miikka Heikkinen <miikka.heikkinen@qt.io>
Date: Mon, 1 Aug 2022 14:29:09 +0300
Subject: [PATCH] QmlDesigner: Clear material browser model on model detach

If browser model is not cleared, subsequent project open may crash.

Fixes: QDS-7194
Change-Id: Ic897086c8da1f774ff035af9e2bcaa378bff3af5
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
---
 .../components/materialbrowser/materialbrowserview.cpp          | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp b/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
index e232f6cc08d..7684e4fe1bc 100644
--- a/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
+++ b/src/plugins/qmldesigner/components/materialbrowser/materialbrowserview.cpp
@@ -138,6 +138,8 @@ bool MaterialBrowserView::isMaterial(const ModelNode &node) const
 
 void MaterialBrowserView::modelAboutToBeDetached(Model *model)
 {
+    m_widget->materialBrowserModel()->setMaterials({}, m_hasQuick3DImport);
+
     AbstractView::modelAboutToBeDetached(model);
 }