From 08f844b40604e441519bf5ce2b72fd67ba1ff040 Mon Sep 17 00:00:00 2001
From: benfry <fry@processing.org>
Date: Sun, 16 Dec 2012 14:27:10 +0000
Subject: [PATCH] fix illegal state when closing window

---
 app/src/processing/app/Editor.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/processing/app/Editor.java b/app/src/processing/app/Editor.java
index 4b89f0ec3..8e4d70af1 100644
--- a/app/src/processing/app/Editor.java
+++ b/app/src/processing/app/Editor.java
@@ -1877,7 +1877,8 @@ public abstract class Editor extends JFrame implements RunnerListener {
       } else if (result == JOptionPane.NO_OPTION) {
         return true;  // ok to continue
 
-      } else if (result == JOptionPane.CANCEL_OPTION) {
+      } else if (result == JOptionPane.CANCEL_OPTION ||
+                 result == JOptionPane.CLOSED_OPTION) {
         return false;
 
       } else {