From 9e5e330a09607c62fa440f6222cb75005be12b01 Mon Sep 17 00:00:00 2001
From: Timur Pocheptsov <timur.pocheptsov@qt.io>
Date: Tue, 18 Oct 2022 06:37:42 +0200
Subject: [PATCH] QIosScreen: retain the right window
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When initializing m_uiWindow (instead of trying to retain this window
itself, which is harmless, since it's nil, but useless, since it's
not the right window).

Pick-to: 6.4 6.2 5.15
Change-Id: I7855fd7c24ebfc28fbb912966f8010caba914fe7
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
---
 src/plugins/platforms/ios/qiosscreen.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/platforms/ios/qiosscreen.mm b/src/plugins/platforms/ios/qiosscreen.mm
index beaaa3fbfc..d1ec359f9f 100644
--- a/src/plugins/platforms/ios/qiosscreen.mm
+++ b/src/plugins/platforms/ios/qiosscreen.mm
@@ -263,7 +263,7 @@ QIOSScreen::QIOSScreen(UIScreen *screen)
     if (!qt_apple_isApplicationExtension()) {
         for (UIWindow *existingWindow in qt_apple_sharedApplication().windows) {
             if (existingWindow.screen == m_uiScreen) {
-                m_uiWindow = [m_uiWindow retain];
+                m_uiWindow = [existingWindow retain];
                 break;
             }
         }