From 02b165f1fabecb03d0172f7ac9660aa8ed072f6f Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Wed, 25 Dec 2024 14:22:14 +0100
Subject: [PATCH] QAbstractFileIconEngine: store pixmaps with correct key

QAbstractFileIconEngine stores the generated pixmap in a QPixmapCache
with the size as key. This is wrong as the size is multiplied by the
current devicePixelRatio so this has to be done also for the key.

Change-Id: I6d8ceedc950d23abf9c4d79d92e86848b9508c9b
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit 83ff179f85559af880d28d7832d44f95c5ce9616)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit da4e9b7637f3ac71397c91109c460ca781abbc7a)
---
 src/gui/image/qabstractfileiconengine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/image/qabstractfileiconengine.cpp b/src/gui/image/qabstractfileiconengine.cpp
index b9b9abc1f55..afb25612826 100644
--- a/src/gui/image/qabstractfileiconengine.cpp
+++ b/src/gui/image/qabstractfileiconengine.cpp
@@ -44,7 +44,7 @@ QPixmap QAbstractFileIconEngine::scaledPixmap(const QSize &size, QIcon::Mode mod
     if (key.isEmpty())
         return filePixmap(size * scale, mode, state);
 
-    key += u'_' + QString::number(size.width());
+    key += u'_' + QString::number(size.width() * scale);
 
     QPixmap result;
     if (!QPixmapCache::find(key, &result)) {