From 78bcc9b70aa1ea71d0d86bb3e0769eba4e18becc Mon Sep 17 00:00:00 2001
From: rich2014 <rich2014.git@outlook.com>
Date: Mon, 11 Sep 2023 21:41:32 +0800
Subject: [PATCH] Cocoa: improved in TCocoaWSWinControl.SetChildZPosition()

---
 lcl/interfaces/cocoa/cocoawscommon.pas | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lcl/interfaces/cocoa/cocoawscommon.pas b/lcl/interfaces/cocoa/cocoawscommon.pas
index 65aa1bc126..89101cb0f7 100644
--- a/lcl/interfaces/cocoa/cocoawscommon.pas
+++ b/lcl/interfaces/cocoa/cocoawscommon.pas
@@ -1974,6 +1974,8 @@ begin
 
   pr := NSView(AWinControl.Handle).lclContentView;
 
+  if pr.subviews.count <= 1 then exit;
+
   // 1. sorting is a better option than removing / adding a view.
   //    whenever a focused (firstrepsonder view) is removed and added to front,
   //    focus is lost. the issue was exposed by