From 5ac3a74bf077ef560a1b5e0bd4b04e4eb529e893 Mon Sep 17 00:00:00 2001
From: Ben Ogle <ogle.ben@gmail.com>
Date: Thu, 31 Oct 2013 12:54:12 -0700
Subject: [PATCH] Return column = 0 when mouse to the left of editor

Fixes #966
---
 src/editor.coffee | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/editor.coffee b/src/editor.coffee
index daca46f59..1e22132d6 100644
--- a/src/editor.coffee
+++ b/src/editor.coffee
@@ -1652,12 +1652,13 @@ class Editor extends View
 
   screenPositionFromMouseEvent: (e) ->
     { pageX, pageY } = e
+    offset = @scrollView.offset()
 
-    editorRelativeTop = pageY - @scrollView.offset().top + @scrollTop()
+    editorRelativeTop = pageY - offset.top + @scrollTop()
     row = Math.floor(editorRelativeTop / @lineHeight)
     column = 0
 
-    if lineElement = @lineElementForScreenRow(row)[0]
+    if pageX > offset.left and lineElement = @lineElementForScreenRow(row)[0]
       range = document.createRange()
       iterator = document.createNodeIterator(lineElement, NodeFilter.SHOW_TEXT, acceptNode: -> NodeFilter.FILTER_ACCEPT)
       while node = iterator.nextNode()