From 8b19c6735edd88dc95082468720c5508e8641038 Mon Sep 17 00:00:00 2001
From: dmitry <dmitry@lazarus-ide.org>
Date: Sat, 13 Apr 2019 04:41:54 +0000
Subject: [PATCH] cocoa: do not call DrawItem for readonly dropdown if no item
 is not selected. #21791

git-svn-id: trunk@60950 -
---
 lcl/interfaces/cocoa/cocoatextedits.pas | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lcl/interfaces/cocoa/cocoatextedits.pas b/lcl/interfaces/cocoa/cocoatextedits.pas
index cd87db51fa..5da5d381ca 100644
--- a/lcl/interfaces/cocoa/cocoatextedits.pas
+++ b/lcl/interfaces/cocoa/cocoatextedits.pas
@@ -1463,7 +1463,9 @@ begin
   inherited drawRect(dirtyRect);
 
   // if ownerDrawn style, then need to call "DrawItem" event
-  if isOwnerDrawn and Assigned(callback) then
+  if isOwnerDrawn and Assigned(callback)
+    and (lastSelectedItemIndex>=0) and (lastSelectedItemIndex<list.Count)
+  then
   begin
     ctx := TCocoaContext.Create(NSGraphicsContext.currentContext);
     try