From 0dba9265be9d874368f991420a32430fbbccd379 Mon Sep 17 00:00:00 2001
From: Karl Tauber <karl@jformdesigner.com>
Date: Wed, 6 Apr 2022 18:53:45 +0200
Subject: [PATCH] ToolBar: fixed endless loop in focus navigation that may
 occur under special circumstances (issue #505)

---
 CHANGELOG.md                                                | 2 ++
 .../src/main/java/com/formdev/flatlaf/ui/FlatToolBarUI.java | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b229d2f..7946f7de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ FlatLaf Change Log
 
 - Native window decorations (Windows 10/11 only): Fixed wrong window title
   character encoding used in Windows taskbar. (issue #502)
+- ToolBar: Fixed endless loop in focus navigation that may occur under special
+  circumstances. (issue #505)
 
 
 ## 2.1
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolBarUI.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolBarUI.java
index 57f30740..fa241700 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolBarUI.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolBarUI.java
@@ -256,11 +256,15 @@ public class FlatToolBarUI
 			default: return;
 		}
 
-		for( int i = focusedCompIndex + add; i != focusedCompIndex; i += add ) {
+		int i = focusedCompIndex;
+		for(;;) {
+			i += add;
 			if( i < 0 )
 				i = count - 1;
 			else if( i >= count )
 				i = 0;
+			if( i == focusedCompIndex )
+				break;
 
 			Component c = toolBar.getComponentAtIndex( i );
 			if( canBeFocusOwner( c ) ) {