From 37eb98604f4e2c241d959c7e2b337beb047421da Mon Sep 17 00:00:00 2001
From: Prasanta Sadhukhan <psadhukhan@openjdk.org>
Date: Mon, 16 Oct 2023 09:01:57 +0000
Subject: [PATCH] 8154846: SwingNode does not resize when content size
 constraints are changed

Reviewed-by: prr, angorya, arapte
---
 .../classes/sun/swing/JLightweightFrame.java     | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/java.desktop/share/classes/sun/swing/JLightweightFrame.java b/src/java.desktop/share/classes/sun/swing/JLightweightFrame.java
index c1167b4d8ba..cfc5ceef6c3 100644
--- a/src/java.desktop/share/classes/sun/swing/JLightweightFrame.java
+++ b/src/java.desktop/share/classes/sun/swing/JLightweightFrame.java
@@ -370,13 +370,6 @@ public final class JLightweightFrame extends LightweightFrame implements RootPan
             }
         };
         contentPane.setLayout(new BorderLayout());
-        contentPane.add(component);
-        if ("true".equals(AccessController.
-            doPrivileged(new GetPropertyAction("swing.jlf.contentPaneTransparent", "false"))))
-        {
-            contentPane.setOpaque(false);
-        }
-        setContentPane(contentPane);
 
         contentPane.addContainerListener(new ContainerListener() {
             @Override
@@ -396,6 +389,15 @@ public final class JLightweightFrame extends LightweightFrame implements RootPan
                 }
             }
         });
+        contentPane.add(component);
+        contentPane.revalidate();
+        contentPane.repaint();
+        if ("true".equals(AccessController.
+            doPrivileged(new GetPropertyAction("swing.jlf.contentPaneTransparent", "false"))))
+        {
+            contentPane.setOpaque(false);
+        }
+        setContentPane(contentPane);
     }
 
     @SuppressWarnings("deprecation")