--- a/src/luan/modules/swing/List.luan	Tue May 20 18:32:45 2025 -0600
+++ b/src/luan/modules/swing/List.luan	Tue May 20 19:06:57 2025 -0600
@@ -60,6 +60,9 @@
 	function list.repaint(value)
 		jlist.repaint()
 	end
+	function list.add_list_selection_listener(fn)
+		jlist.addListSelectionListener(fn)
+	end
 	set_metatable(list,mt)
 	return list
 end

--- a/src/luan/modules/swing/ListLuan.java	Tue May 20 18:32:45 2025 -0600
+++ b/src/luan/modules/swing/ListLuan.java	Tue May 20 19:06:57 2025 -0600
@@ -5,6 +5,8 @@
 import javax.swing.ListCellRenderer;
 import javax.swing.DefaultListCellRenderer;
 import javax.swing.JLabel;
+import javax.swing.event.ListSelectionListener;
+import javax.swing.event.ListSelectionEvent;
 import java.awt.Component;
 import java.awt.Color;
 import java.awt.event.MouseMotionAdapter;
@@ -12,7 +14,10 @@
 import java.awt.event.MouseAdapter;
 import goodjava.logging.Logger;
 import goodjava.logging.LoggerFactory;
+import luan.Luan;
+import luan.LuanFunction;
 import luan.LuanTable;
+import luan.LuanException;
 
 
 public class ListLuan extends JList<Object> {
@@ -80,4 +85,18 @@
 		this.hoveredIndex = -1;
 		repaint();
 	}
+
+	public void addListSelectionListener(final Luan luan,final LuanFunction fn) {
+		addListSelectionListener( new ListSelectionListener() {
+			@Override public void valueChanged(ListSelectionEvent event) {
+				if( event.getValueIsAdjusting() )
+					return;
+				try {
+					fn.call(luan,getSelectedValue());
+				} catch(LuanException e) {
+					SwingLuan.exception(e);
+				}
+			}
+		} );
+	}
 }

--- a/src/luan/modules/swing/SwingLuan.java	Tue May 20 18:32:45 2025 -0600
+++ b/src/luan/modules/swing/SwingLuan.java	Tue May 20 19:06:57 2025 -0600
@@ -36,7 +36,7 @@
 public class SwingLuan {
 	private static final Logger logger = LoggerFactory.getLogger(SwingLuan.class);
 
-	private static void exception(LuanException e) {
+	static void exception(LuanException e) {
 		System.err.println(e.getLuanStackTraceString());
 		System.exit(1);
 	}
@@ -93,7 +93,7 @@
 		};
 	}
 
-	public static WindowListener newCloseListener(final Luan luan,LuanFunction fn) {
+	public static WindowListener newCloseListener(final Luan luan,final LuanFunction fn) {
 		return new WindowAdapter() {
 			@Override public void windowClosed(WindowEvent event) {
 				try {
@@ -105,7 +105,7 @@
 		};
 	}
 
-	public static WindowListener newWindowFocusListener(final Luan luan,LuanFunction fn) {
+	public static WindowListener newWindowFocusListener(final Luan luan,final LuanFunction fn) {
 		return new WindowAdapter() {
 			@Override public void windowGainedFocus(WindowEvent event) {
 				try {
@@ -117,7 +117,7 @@
 		};
 	}
 
-	public static ComponentListener newResizeListener(final Luan luan,LuanFunction fn) {
+	public static ComponentListener newResizeListener(final Luan luan,final LuanFunction fn) {
 		return new ComponentAdapter() {
 			@Override public void componentResized(ComponentEvent event) {
 				try {
@@ -149,7 +149,7 @@
 		} );
 	}
 
-	public static ComponentListener newMoveListener(final Luan luan,LuanFunction fn) {
+	public static ComponentListener newMoveListener(final Luan luan,final LuanFunction fn) {
 		return new ComponentAdapter() {
 			@Override public void componentMoved(ComponentEvent event) {
 				try {
@@ -161,7 +161,7 @@
 		};
 	}
 
-	public static ChangeListener newChangeListener(final Luan luan,LuanFunction fn) {
+	public static ChangeListener newChangeListener(final Luan luan,final LuanFunction fn) {
 		return new ChangeListener() {
 			@Override public void stateChanged(ChangeEvent event) {
 				try {