From c6417b2499a2abe54bb4df44064c4613dc09a2d2 Mon Sep 17 00:00:00 2001
From: Dan Walmsley <dan@walms.co.uk>
Date: Thu, 2 Mar 2023 15:31:13 +0000
Subject: [PATCH] constrain window to maximum size.

---
 native/Avalonia.Native/src/OSX/WindowBaseImpl.mm | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm b/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
index 59102e15a6..dba5daf90b 100644
--- a/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
+++ b/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
@@ -273,6 +273,7 @@ HRESULT WindowBaseImpl::Resize(double x, double y, AvnPlatformResizeReason reaso
     auto resizeBlock = ResizeScope(View, reason);
 
     @autoreleasepool {
+        auto screenSize = [Window screen].visibleFrame.size;
         auto maxSize = lastMaxSize;
         auto minSize = lastMinSize;
 
@@ -292,6 +293,15 @@ HRESULT WindowBaseImpl::Resize(double x, double y, AvnPlatformResizeReason reaso
             y = maxSize.height;
         }
 
+        if(x > screenSize.width){
+            x = screenSize.width;
+        }
+
+        if(y > screenSize.height)
+        {
+            y = screenSize.height;
+        }
+
         @try {
             if(x != lastSize.width || y != lastSize.height) {
                 lastSize = NSSize{x, y};