From 3f7e12e949e22c762cdd2d44e8c60fc5a319beaf Mon Sep 17 00:00:00 2001
From: Christopher Deckers <chrriis@gmail.com>
Date: Thu, 27 Jul 2023 14:35:56 +0200
Subject: [PATCH] Fixed memory leak in smooth scrolling due to incorrect
 visibility check.

---
 .../src/main/java/com/formdev/flatlaf/ui/FlatViewportUI.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatViewportUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatViewportUI.java
index ed15723c2..7514f9d49 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatViewportUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatViewportUI.java
@@ -82,7 +82,7 @@ public void ancestorAdded( AncestorEvent event ) {
 	@Override
 	public void ancestorMoved( AncestorEvent event ) {
 		JViewport viewport = (JViewport)event.getComponent();
-		if(viewport.isDisplayable()) {
+		if(viewport.isShowing()) {
 			SmoothScrollingHelper.registerViewport( viewport );
 		} else {
 			SmoothScrollingHelper.unregisterViewport( viewport );