ToolBar: disable focusability of buttons in toolbar

CHANGELOG.md

@@ -4,6 +4,7 @@ FlatLaf Change Log
 ## Unreleased
 
 - ComboBox: Use small border if used as table editor.
+- ToolBar: Disable focusability of buttons in toolbar.
 
 
 ## 0.13

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatToolBarUI.java

@@ -19,6 +19,8 @@ package com.formdev.flatlaf.ui;
 import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Component;
 import java.awt.Insets;
+import java.awt.event.ContainerEvent;
+import java.awt.event.ContainerListener;
 import javax.swing.AbstractButton;
 import javax.swing.JComponent;
 import javax.swing.UIManager;
@@ -53,6 +55,29 @@ public class FlatToolBarUI
 		rolloverBorder = null;
 	}
 
+	@Override
+	protected ContainerListener createToolBarContListener() {
+		return new ToolBarContListener() {
+			@Override
+			public void componentAdded( ContainerEvent e ) {
+				super.componentAdded( e );
+
+				Component c = e.getChild();
+				if( c instanceof AbstractButton )
+					c.setFocusable( false );
+			}
+
+			@Override
+			public void componentRemoved( ContainerEvent e ) {
+				super.componentRemoved( e );
+
+				Component c = e.getChild();
+				if( c instanceof AbstractButton )
+					c.setFocusable( true );
+			}
+		};
+	}
+
 	@Override
 	protected Border createRolloverBorder() {
 		return getRolloverBorder();

flatlaf-core/src/test/java/com/formdev/flatlaf/FlatInspector.java

@@ -236,6 +236,7 @@ public class FlatInspector
 			}
 		}
 
+		text += "Focusable: " + c.isFocusable() + '\n';
 		text += "Parent: " + c.getParent().getClass().getName();
 
 		return text;