From f838eb649ed59364fa7c19f4448e6e6ecae9f7f9 Mon Sep 17 00:00:00 2001
From: Dolev Dori <dolevd@gmail.com>
Date: Wed, 25 May 2016 02:51:04 +0300
Subject: [PATCH] fix(dropdown): align position with or without vertical
 scrollbar

---
 src/dropdown/dropdown.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/dropdown/dropdown.js b/src/dropdown/dropdown.js
index 78644af28d..5c967f3361 100644
--- a/src/dropdown/dropdown.js
+++ b/src/dropdown/dropdown.js
@@ -192,7 +192,8 @@ angular.module('ui.bootstrap.dropdown', ['ui.bootstrap.position'])
       var pos = $position.positionElements($element, self.dropdownMenu, 'bottom-left', true),
         css,
         rightalign,
-        scrollbarWidth;
+        scrollbarPadding,
+        scrollbarWidth = 0;
 
       css = {
         top: pos.top + 'px',
@@ -205,7 +206,12 @@ angular.module('ui.bootstrap.dropdown', ['ui.bootstrap.position'])
         css.right = 'auto';
       } else {
         css.left = 'auto';
-        scrollbarWidth = $position.scrollbarWidth(true);
+        scrollbarPadding = $position.scrollbarPadding(appendTo);
+
+        if (scrollbarPadding.heightOverflow && scrollbarPadding.scrollbarWidth) {
+	        scrollbarWidth = scrollbarPadding.scrollbarWidth;
+        }
+
         css.right = window.innerWidth - scrollbarWidth -
           (pos.left + $element.prop('offsetWidth')) + 'px';
       }