From bc7c68ebe42ddb0b849e51b9e343e226db8bdbfa Mon Sep 17 00:00:00 2001
From: Karl Tauber <karl@jformdesigner.com>
Date: Mon, 17 Oct 2022 16:58:34 +0200
Subject: [PATCH] MenuBar: fixed NPE in
 `FlatMenuItemRenderer.getTopLevelFont()` if menu item does not have a parent
 (issue #600; regression since implementing #589 in FlatLaf 2.5; commit
 f6c5db07f2aad4a5964936b18718eee570c8a3aa)

---
 CHANGELOG.md                                                | 3 +++
 .../java/com/formdev/flatlaf/ui/FlatMenuItemRenderer.java   | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 838c88250..08e88ec8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,9 @@ FlatLaf Change Log
 
 - ComboBox and Spinner: Fixed missing arrow buttons if preferred height is zero.
   Minimum width of arrow buttons is 3/4 of default width.
+- MenuBar: Fixed NPE in `FlatMenuItemRenderer.getTopLevelFont()` if menu item
+  does not have a parent. (issue #600; regression since implementing #589 in
+  FlatLaf 2.5)
 - TabbedPane: Switch and close tabs on left mouse click only. (PR #595)
 - ScrollBar: Show "pressed" feedback on track/thumb only for left mouse button.
   If absolute positioning is enabled (the default), then also for middle mouse
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatMenuItemRenderer.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatMenuItemRenderer.java
index 1f556a850..0e454b708 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatMenuItemRenderer.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatMenuItemRenderer.java
@@ -500,7 +500,11 @@ protected boolean isUnderlineSelection() {
 
 	private Font getTopLevelFont() {
 		Font font = menuItem.getFont();
-		return (font != menuFont) ? font : menuItem.getParent().getFont();
+		// menu item parent may be null if JMenu.isTopLevelMenu() is overridden
+		// and does not check parent (e.g. com.jidesoft.swing.JideMenu.isTopLevelMenu())
+		return (font != menuFont || menuItem.getParent() == null)
+			? font
+			: menuItem.getParent().getFont();
 	}
 
 	private Icon getIconForPainting() {