From b6fd9cf990444b9eca06d17ede836966eb99b0ee Mon Sep 17 00:00:00 2001
From: Tom MacWright <tom@macwright.org>
Date: Thu, 24 Jan 2013 17:50:08 -0500
Subject: [PATCH] Prevent user dragging

---
 js/id/renderer/background.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/id/renderer/background.js b/js/id/renderer/background.js
index c63362356..8e872aa52 100644
--- a/js/id/renderer/background.js
+++ b/js/id/renderer/background.js
@@ -10,7 +10,10 @@ iD.Background = function() {
         '-ms-transform-origin:0 0;' +
         '-webkit-transform-origin:0 0;' +
         '-moz-transform-origin:0 0;' +
-        '-o-transform-origin:0 0;';
+        '-o-transform-origin:0 0;' +
+        '-webkit-user-select: none;' +
+        '-webkit-user-drag: none;' +
+        '-moz-user-drag: none;';
 
     function atZoom(t, distance) {
         var power = Math.pow(2, distance);