From 0bee95570e7d28afa5cee91b3d1c642051ba1da8 Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Thu, 9 Nov 2023 01:55:31 +0400
Subject: [PATCH] Prevent false positives in TWidgetPrivate::rhiConfig

QWidget::create could set the WA_WState_Created flag without creating actual window. Adding the check from the top of QWidgetPrivate::create should prevent such false positives.
---
 ui/rp_widget.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ui/rp_widget.cpp b/ui/rp_widget.cpp
index 42d8e95..4fc7c3b 100644
--- a/ui/rp_widget.cpp
+++ b/ui/rp_widget.cpp
@@ -23,7 +23,9 @@ public:
 #if QT_VERSION >= QT_VERSION_CHECK(6, 4, 0)
 	QPlatformBackingStoreRhiConfig rhiConfig() const override {
 		const auto q = static_cast<TWidget*>(q_ptr);
-		if (!q->testAttribute(Qt::WA_WState_Created)) {
+		if (!q->testAttribute(Qt::WA_WState_Created)
+			|| (!q->testAttribute(Qt::WA_NativeWindow)
+				&& !q->isWindow())) {
 			return QWidgetPrivate::rhiConfig();
 		}
 		if (const auto config = q->rhiConfig()) {