From: kborchers <kris.borchers@gmail.com>
Date: Wed, 13 Jul 2011 23:19:02 +0000 (-0500)
Subject: Menu: Check if submenu is already open and if so, don't call open again. Fixes Firefo... 
X-Git-Tag: 1.9m6~98^2~4
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=f41d2378f95bc88165833487a923f90061d3f138;p=jquery-ui.git

Menu: Check if submenu is already open and if so, don't call open again. Fixes Firefox bug where a mouseover of an icon adjusted the position of a submenu by a half pixel
---

diff --git a/ui/jquery.ui.menu.js b/ui/jquery.ui.menu.js
index 5f9de6134..83ff1b949 100644
--- a/ui/jquery.ui.menu.js
+++ b/ui/jquery.ui.menu.js
@@ -301,6 +301,10 @@ $.widget( "ui.menu", {
 
 	_startOpening: function( submenu ) {
 		clearTimeout( this.timer );
+		
+		//Don't open if already open fixes a Firefox bug that caused a .5 pixel shift in the submenu position when mousing over the carat icon
+		if ( submenu.attr( "aria-hidden" ) !== "true" ) return;
+		
 		var self = this;
 		self.timer = setTimeout( function() {
 			self._close();