From 53fecec28ad3051b58b33b01035f9abd8a71d7e0 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Tue, 2 Jun 2020 14:19:00 -0300
Subject: [PATCH] prevent stack overflow entering fs mode.

---
 native/Avalonia.Native/src/OSX/window.mm | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/native/Avalonia.Native/src/OSX/window.mm b/native/Avalonia.Native/src/OSX/window.mm
index e3c2c74e19..5c64905a2f 100644
--- a/native/Avalonia.Native/src/OSX/window.mm
+++ b/native/Avalonia.Native/src/OSX/window.mm
@@ -1016,12 +1016,14 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
     NSView* _content;
     NSVisualEffectView* _blurBehind;
     double _titleBarHeightHint;
+    bool _settingSize;
 }
 
 -(AutoFitContentView* _Nonnull) initWithContent:(NSView *)content
 {
     _titleBarHeightHint = -1;
     _content = content;
+    _settingSize = false;
 
     [self setAutoresizesSubviews:true];
     [self setWantsLayer:true];
@@ -1073,6 +1075,12 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
 
 -(void)setFrameSize:(NSSize)newSize
 {
+    if(_settingSize)
+    {
+        return;
+    }
+    
+    _settingSize = true;
     [super setFrameSize:newSize];
     
     [_blurBehind setFrameSize:newSize];
@@ -1093,6 +1101,7 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
     [_titleBarMaterial setFrame:tbar];
     tbar.size.height = height < 1 ? 0 : 1;
     [_titleBarUnderline setFrame:tbar];
+    _settingSize = false;
 }
 
 -(void) SetContent: (NSView* _Nonnull) content