From c3ef42dad254f6d04cab521c9ae619a46bb84f7a Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 摹曛, 21 11月 2024 21:17:32 +0800
Subject: [PATCH] Fix #151 and a crash bug related to sub frameless window

---
 src/widgets/widgetwindowagent.cpp |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/widgets/widgetwindowagent.cpp b/src/widgets/widgetwindowagent.cpp
index aa48f79..ea6b22c 100644
--- a/src/widgets/widgetwindowagent.cpp
+++ b/src/widgets/widgetwindowagent.cpp
@@ -64,6 +64,12 @@
 #if defined(Q_OS_WINDOWS) && QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
         d->setupWindows10BorderWorkaround();
 #endif
+
+#ifdef Q_OS_WINDOWS
+        if (!windowAttribute(QStringLiteral("windows-system-border-enabled")).toBool()) {
+            w->setWindowFlag(Qt::FramelessWindowHint);
+        }
+#endif
         return true;
     }
 

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