QDialogButtonBox: fix crash when adding a QToolButton

Introduced by commit d4f38a3 Pick-to: 6.7 6.6 6.5 Change-Id: I99385249a454c75eeae13c1d17670b356427cb70 Reviewed-by: Axel Spoerl <[email protected]>
brad0 · Feb 28, 2024 · d9b63c9 · d9b63c9
1 parent 9bf68a4
commit d9b63c9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/widgets/widgets/qdialogbuttonbox.cpp b/src/widgets/widgets/qdialogbuttonbox.cpp
@@ -294,7 +294,7 @@ void QDialogButtonBoxPrivate::layoutButtons()
         for (QWidget *here : layoutWidgets) {
             QWidget::setTabOrder(prev, here);
             prev = here;
-            if (auto *pushButton = qobject_cast<QPushButton *>(prev); pushButton->isDefault())
+            if (auto *pushButton = qobject_cast<QPushButton *>(prev); pushButton && pushButton->isDefault())
                 q->setFocusProxy(pushButton);
         }
     }