From acff474a2b27b6224d9716a7f6d642b92691d6a8 Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Fri, 12 Apr 2024 21:32:05 +0200
Subject: [PATCH] QStyleSheetStyle: Don't try to load a pixmap with an empty
 filename

QStyleSheetStyle::loadPixmap() might be called with an empty filename
but then it should not try to load a file with an empty filename.

Pick-to: 6.5
Fixes: QTBUG-123839
Change-Id: Ie01e9f75f025650b0802736bb589ebdc48e93696
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit b773a4f5836b39e363899ad48a9f469e7f18db1a)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/widgets/styles/qstylesheetstyle.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/widgets/styles/qstylesheetstyle.cpp b/src/widgets/styles/qstylesheetstyle.cpp
index 7602217f24c..655b2246176 100644
--- a/src/widgets/styles/qstylesheetstyle.cpp
+++ b/src/widgets/styles/qstylesheetstyle.cpp
@@ -6512,6 +6512,9 @@ bool QStyleSheetStyle::isNaturalChild(const QObject *obj)
 
 QPixmap QStyleSheetStyle::loadPixmap(const QString &fileName, const QObject *context)
 {
+    if (fileName.isEmpty())
+        return {};
+
     qreal ratio = -1.0;
     if (const QWidget *widget = qobject_cast<const QWidget *>(context)) {
         if (QScreen *screen = QApplication::screenAt(widget->mapToGlobal(QPoint(0, 0))))