From 3cec9fb412741c4b3cf34822ea7211a20d572456 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 10 Dec 2019 08:43:01 -0300
Subject: [PATCH] [OSX] fix BAD ACCESS (Segmentation Fault) when rapidly trying
 to open popups quicker than windows can be created.

---
 native/Avalonia.Native/src/OSX/window.mm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/native/Avalonia.Native/src/OSX/window.mm b/native/Avalonia.Native/src/OSX/window.mm
index c54829d750..cd8c6245ba 100644
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@@ -812,7 +812,13 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
 
 - (void)drawRect:(NSRect)dirtyRect
 {
+    if (_parent == nullptr)
+    {
+        return;
+    }
+        
     _parent->BaseEvents->RunRenderPriorityJobs();
+    
     @synchronized (self) {
         if(_swRenderedFrame != NULL)
         {