From 32f1782c84eab30d52ec264ca13f1ae1d485b682 Mon Sep 17 00:00:00 2001
From: Daniel Imms <daimms@microsoft.com>
Date: Tue, 20 Jun 2017 10:01:39 -0700
Subject: [PATCH] Fix context menu in firefox

Fixes #721
---
 src/xterm.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/xterm.js b/src/xterm.js
index 0abcbeae..17748296 100644
--- a/src/xterm.js
+++ b/src/xterm.js
@@ -538,8 +538,9 @@ Terminal.prototype.initGlobal = function() {
   on(this.element, 'paste', pasteHandlerWrapper);
 
   if (term.browser.isFirefox) {
+    // Firefox doesn't appear to fire the contextmenu event on right click
     on(this.element, 'mousedown', event => {
-      if (ev.button == 2) {
+      if (event.button == 2) {
         rightClickHandler(event, this.textarea, this.selectionManager);
       }
     });