From 35c00937d1b55a37a86f71871b3658dfbe6f8d3a Mon Sep 17 00:00:00 2001
From: ck <chenke@deepin.org>
Date: Thu, 17 Aug 2023 12:30:06 +0800
Subject: [PATCH] fix: DArrowRectangle background color abnormality

Issue: linuxdeepin/developer-center#5187
Bug: https://pms.uniontech.com/bug-view-211649.html
---
 src/widgets/dplatformwindowhandle.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/widgets/dplatformwindowhandle.cpp b/src/widgets/dplatformwindowhandle.cpp
index 3de8ec6db..dc4c2be78 100644
--- a/src/widgets/dplatformwindowhandle.cpp
+++ b/src/widgets/dplatformwindowhandle.cpp
@@ -27,6 +27,10 @@ static QWindow *ensureWindowHandle(QWidget *widget)
         handle = window->windowHandle();
         window->setAttribute(Qt::WA_NativeWindow, false);
 
+        // FIX developer-center#5187 updateIsTranslucent
+        if (window->testAttribute(Qt::WA_TranslucentBackground))
+            window->setAttribute(Qt::WA_OpaquePaintEvent);
+
         // dxcb version >= 1.1.6
         if (!DPlatformWindowHandle::pluginVersion().isEmpty()) {
             /// TODO: Avoid call parentWidget()->enforceNativeChildren().