From b8fabd59c0a9423f2f8ec10cd0f460721bc6fbb5 Mon Sep 17 00:00:00 2001
From: Eduwardo Horibe <eduhoribe@gmail.com>
Date: Sat, 21 Oct 2023 15:26:55 -0300
Subject: [PATCH] Fixing NPE when showing a popup without an invoker on Windows
 10

---
 .../main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java
index 013d86b78..fcba1f730 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java
@@ -397,6 +397,10 @@ private static void resetWindows11Border( Window popupWindow ) {
 	}
 
 	private static boolean overlapsHeavyWeightComponent( Component owner, Component contents, int x, int y ) {
+		if( owner == null ) {
+			return false;
+		}
+
 		Window window = SwingUtilities.getWindowAncestor( owner );
 		if( window == null )
 			return false;