From 84c3c8fd8f5e9359196eb113e750455c39e59429 Mon Sep 17 00:00:00 2001
From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Mon, 30 May 2022 18:51:44 +0200
Subject: [PATCH] avoid problem with disappearing modal child windows when
 dragged to a different space

fixes #22242
---
 src/osx/cocoa/nonownedwnd.mm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/osx/cocoa/nonownedwnd.mm b/src/osx/cocoa/nonownedwnd.mm
index 5a0096287e..b1889c215a 100644
--- a/src/osx/cocoa/nonownedwnd.mm
+++ b/src/osx/cocoa/nonownedwnd.mm
@@ -956,7 +956,10 @@ bool wxNonOwnedWindowCocoaImpl::Show(bool show)
                 {
                     NSWindow* parentNSWindow = [parentView window];
                     if ( parentNSWindow ) {
-                        [parentNSWindow addChildWindow:m_macWindow ordered:NSWindowAbove];
+                        // we used to call [parentNSWindow addChildWindow:m_macWindow here
+                        // but this lead to problems with Spaces (modal windows disappeared
+                        // when dragged to a different space)
+
                         // If the parent is modal, windows with wxFRAME_FLOAT_ON_PARENT style need
                         // to be in NSModalPanelWindowLevel and not NSFloatingWindowLevel to stay
                         // above the parent.