From eaab8d4ac2635dc785d98e33322ddc8af8fb7fce Mon Sep 17 00:00:00 2001
From: Ye ShanShan <yeshanshan@uniontech.com>
Date: Thu, 5 Dec 2024 17:31:34 +0800
Subject: [PATCH] fix: app crashed when QBytearray reallocated

Using a variable to avoid reallocating memory.

pms: BUG-292371
---
 xcb/dhighdpi.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xcb/dhighdpi.cpp b/xcb/dhighdpi.cpp
index 5e4df97b..3b899325 100644
--- a/xcb/dhighdpi.cpp
+++ b/xcb/dhighdpi.cpp
@@ -104,7 +104,8 @@ QDpi DHighDpi::logicalDpi(QXcbScreen *s)
     }
 
     int dpi = 0;
-    QVariant value = DPlatformIntegration::xSettings(s->connection())->setting("Qt/DPI/" + s->name().toLocal8Bit());
+    const QString screenName(QString("Qt/DPI/%1").arg(s->name()));
+    QVariant value = DPlatformIntegration::xSettings(s->connection())->setting(screenName.toLocal8Bit());
     bool ok = false;
 
     dpi = value.toInt(&ok);