From ae30e3073c1cf381b0ea04f0369fd62916a57d08 Mon Sep 17 00:00:00 2001
From: Miikka Heikkinen <miikka.heikkinen@qt.io>
Date: Tue, 3 May 2022 15:12:40 +0300
Subject: [PATCH] QmlDesigner: Do not assume QmlBuildSystem is current build
 system

It's possible to open qml files for visual editing from qmake/cmake
based projects as well.

Fixes: QDS-6836
Change-Id: I15840dbe0f67711b162f7f7f492f7ab813ea7fca
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
---
 .../qmldesigner/designercore/instances/nodeinstanceview.cpp  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp b/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp
index 8dbe236ca0a..11af3586799 100644
--- a/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp
+++ b/src/plugins/qmldesigner/designercore/instances/nodeinstanceview.cpp
@@ -2025,6 +2025,8 @@ void NodeInstanceView::updateQsbPathToFilterMap()
     m_qsbPathToFilterMap.clear();
     if (m_currentTarget && !m_qsbPath.isEmpty()) {
         const auto bs = qobject_cast<QmlProjectManager::QmlBuildSystem *>(m_currentTarget->buildSystem());
+        if (!bs)
+            return;
         const QStringList shaderToolFiles = bs->shaderToolFiles();
 
 #ifndef QMLDESIGNER_TEST
@@ -2056,6 +2058,9 @@ void NodeInstanceView::handleShaderChanges()
         return;
 
     const auto bs = qobject_cast<QmlProjectManager::QmlBuildSystem *>(m_currentTarget->buildSystem());
+    if (!bs)
+        return;
+
     QStringList baseArgs = bs->shaderToolArgs();
     if (baseArgs.isEmpty())
         return;