From 069b11c14c732ca3863c65e68e23c93d8cee4b80 Mon Sep 17 00:00:00 2001
From: Brian Smith <brian@dbsoft.org>
Date: Mon, 24 Oct 2022 23:45:38 -0500
Subject: [PATCH] Issue #2022 - Part 1 - Fix transparent windows on MacOS 13
 Ventura. During the BaseWindow creation contenView is nil on Ventura... So
 create a NSView with the requested dimensions and set is as the contenView.

---
 widget/cocoa/nsCocoaWindow.mm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/widget/cocoa/nsCocoaWindow.mm b/widget/cocoa/nsCocoaWindow.mm
index a437504fd1..c15874715c 100644
--- a/widget/cocoa/nsCocoaWindow.mm
+++ b/widget/cocoa/nsCocoaWindow.mm
@@ -2903,6 +2903,10 @@ static NSMutableSet *gSwizzledFrameViewClasses = nil;
 {
   mDrawsIntoWindowFrame = NO;
   [super initWithContentRect:aContentRect styleMask:aStyle backing:aBufferingType defer:aFlag];
+  // MacOS 13 Ventura, doesn't seem to create the contentView... so create it ourselves
+  if(![super contentView]) {
+      [super setContentView:[[NSView alloc] initWithFrame:aContentRect]];
+  }
   mState = nil;
   mActiveTitlebarColor = nil;
   mInactiveTitlebarColor = nil;