From 79e40ae8c4d5c3ce5c4baf723356939c83b9236a Mon Sep 17 00:00:00 2001
From: Yuhang Zhao <2546789017@qq.com>
Date: Thu, 18 Jun 2020 17:05:45 +0800
Subject: [PATCH] Fix assert error.

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
---
 winnativeeventfilter.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/winnativeeventfilter.cpp b/winnativeeventfilter.cpp
index b273936..9161456 100644
--- a/winnativeeventfilter.cpp
+++ b/winnativeeventfilter.cpp
@@ -964,7 +964,9 @@ bool WinNativeEventFilter::nativeEventFilter(const QByteArray &eventType,
     // but according to Lucas, frameless applications crashed on many Win7
     // machines because it's null. The temporary solution is also strange:
     // upgrade drivers or switch to the basic theme.
-    Q_ASSERT(result);
+    if (!result) {
+        return false;
+    }
     // The example code in Qt's documentation has this check. I don't know
     // whether we really need this check or not, but adding this check won't
     // bring us harm anyway.