From fab8555160b786ff07bc0e84921db88b761c6daa Mon Sep 17 00:00:00 2001
From: codeanticode <andres.colubri@gmail.com>
Date: Fri, 13 Sep 2013 19:12:39 -0400
Subject: [PATCH] check for null canvas

---
 core/src/processing/opengl/PJOGL.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/processing/opengl/PJOGL.java b/core/src/processing/opengl/PJOGL.java
index a293a850b..f977f4319 100644
--- a/core/src/processing/opengl/PJOGL.java
+++ b/core/src/processing/opengl/PJOGL.java
@@ -335,7 +335,9 @@ public class PJOGL extends PGL {
       window.addGLEventListener(listener);
     }
 
-    canvas.setFocusTraversalKeysEnabled(false);
+    if (canvas != null) {
+      canvas.setFocusTraversalKeysEnabled(false);
+    }
   }