From d22a199dc6ea4a496108472b3377a12b701f6c4e Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Tue, 27 Nov 2012 18:19:17 -0700
Subject: [PATCH] Simplify handling of 'mousewheel' event

---
 src/app/editor.coffee | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/app/editor.coffee b/src/app/editor.coffee
index f0e1fb1fe..6ae2e30c2 100644
--- a/src/app/editor.coffee
+++ b/src/app/editor.coffee
@@ -337,11 +337,8 @@ class Editor extends View
       false
 
     @scrollView.on 'mousewheel', (e) =>
-      e = e.originalEvent
-      if e.wheelDeltaY
-        newEvent = document.createEvent("WheelEvent");
-        newEvent.initWebKitWheelEvent(0, e.wheelDeltaY, e.view, e.screenX, e.screenY, e.clientX, e.clientY, e.ctrlKey, e.altKey, e.shiftKey, e.metaKey)
-        @verticalScrollbar.get(0).dispatchEvent(newEvent)
+      if delta = e.originalEvent.wheelDeltaY
+        @scrollTop(@scrollTop() - delta)
         false
 
     @verticalScrollbar.on 'scroll', =>