From 463b9e00ce9e348164d8a6eebe27808bb1e93162 Mon Sep 17 00:00:00 2001
From: Prasanta Sadhukhan <psadhukhan@openjdk.org>
Date: Fri, 27 Feb 2026 06:06:29 +0000
Subject: [PATCH] 8078744: Right half of system menu icon on title bar does not
 activate when clicked in Metal L&F

Reviewed-by: tr, dnguyen
---
 .../swing/plaf/metal/MetalTitlePane.java      |  3 +-
 .../swing/plaf/metal/MetalTitlePaneBug.java   | 65 +++++++++++++++++++
 2 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 test/jdk/javax/swing/plaf/metal/MetalTitlePaneBug.java

diff --git a/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalTitlePane.java b/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalTitlePane.java
index ae8b379a579..4ed6734df1f 100644
--- a/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalTitlePane.java
+++ b/src/java.desktop/share/classes/javax/swing/plaf/metal/MetalTitlePane.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2026, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -437,6 +437,7 @@ class MetalTitlePane extends JComponent {
      */
     private JMenu createMenu() {
         JMenu menu = new JMenu("");
+        menu.setPreferredSize(new Dimension(IMAGE_WIDTH, IMAGE_HEIGHT));
         if (getWindowDecorationStyle() == JRootPane.FRAME) {
             addMenuItems(menu);
         }
diff --git a/test/jdk/javax/swing/plaf/metal/MetalTitlePaneBug.java b/test/jdk/javax/swing/plaf/metal/MetalTitlePaneBug.java
new file mode 100644
index 00000000000..dde6249752d
--- /dev/null
+++ b/test/jdk/javax/swing/plaf/metal/MetalTitlePaneBug.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8078744
+ * @summary Verifies right half of system menu icon on title bar
+ *          activates when clicked
+ * @library /java/awt/regtesthelpers
+ * @build PassFailJFrame
+ * @run main/manual MetalTitlePaneBug
+ */
+
+import javax.swing.JFrame;
+import javax.swing.UIManager;
+
+public class MetalTitlePaneBug {
+
+    static final String INSTRUCTIONS = """
+        A Frame is shown with a titlepane.
+        Click on the left edge of the system menu icon on the title pane.
+        It should show "Restore", "Minimize", "Maximize", "Close" menu.
+        Click on the right edge of the system menu icon.
+        It should also show "Restore", "Minimize", "Maximize", "Close" menu.
+        If it shows, press Pass else press Fail.
+    """;
+
+    public static void main(String[] args) throws Exception {
+        UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
+        PassFailJFrame.builder()
+                .instructions(INSTRUCTIONS)
+                .columns(40)
+                .testUI(MetalTitlePaneBug::createUI)
+                .build()
+                .awaitAndCheck();
+    }
+
+    static JFrame createUI() {
+        JFrame.setDefaultLookAndFeelDecorated(true);
+        JFrame frame = new JFrame();
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(200, 100);
+        return frame;
+    }
+}