From 6e29a94b547fbafa69e97ac02aeb33edad63f2ae Mon Sep 17 00:00:00 2001
From: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Date: Sat, 23 Nov 2024 20:49:29 +0100
Subject: [PATCH] QWindows11Style: Adjust position of MDI subwindow icon

The y position for the MDI subwindow icon was not calculated correctly
so the icon was not painted vertically centered.

Pick-to: 6.9 6.8
Task-number: QTBUG-130673
Change-Id: I5f9023820a4e4b4288017869ac4088fe2669ce50
Reviewed-by: Wladimir Leuschner <wladimir.leuschner@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
---
 src/plugins/styles/modernwindows/qwindows11style.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/plugins/styles/modernwindows/qwindows11style.cpp b/src/plugins/styles/modernwindows/qwindows11style.cpp
index cbb438f6f04..b90b796ac4f 100644
--- a/src/plugins/styles/modernwindows/qwindows11style.cpp
+++ b/src/plugins/styles/modernwindows/qwindows11style.cpp
@@ -1935,8 +1935,9 @@ QRect QWindows11Style::subControlRect(ComplexControl control, const QStyleOption
                 break;
             case SC_TitleBarSysMenu:
                 if (titlebar->titleBarFlags & Qt::WindowSystemMenuHint) {
-                    ret.setRect(titlebar->rect.left() + controlWidthMargin + indent, titlebar->rect.top() + iconSize/2,
-                                iconSize, iconSize);
+                    const auto yOfs = titlebar->rect.top() + (titlebar->rect.height() - iconSize) / 2;
+                    ret.setRect(titlebar->rect.left() + controlWidthMargin + indent, yOfs, iconSize,
+                                iconSize);
                 }
                 break;
             default: