From 425c3e8fecf0a419b21fa1dbc781008aa73905ee Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Wed, 10 Mar 2021 22:20:47 +0000
Subject: [PATCH] OSX backend when quiting app (closeAll) should only
 performClose

on non-child windows.
---
 native/Avalonia.Native/src/OSX/window.mm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/native/Avalonia.Native/src/OSX/window.mm b/native/Avalonia.Native/src/OSX/window.mm
index 7fa6614d4d..4d63c486c4 100644
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@@ -1877,7 +1877,12 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
     
     for(int i = 0; i < numWindows; i++)
     {
-        [[windows objectAtIndex:i] performClose:nil];
+        auto window = (AvnWindow*)[windows objectAtIndex:i];
+        
+        if([window parentWindow] == nullptr) // Avalonia will handle the child windows.
+        {
+            [window performClose:nil];
+        }
     }
 }