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<title>[27607] trunk/src/wp-content/themes/twentythirteen: Twenty Thirteen: improve menu navigation for keyboard and voice-over interactions by properly focusing on submenu items when they are open.</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/27607">27607</a></dd>
<dt>Author</dt> <dd>lancewillett</dd>
<dt>Date</dt> <dd>2014-03-19 05:28:36 +0000 (Wed, 19 Mar 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Twenty Thirteen: improve menu navigation for keyboard and voice-over interactions by properly focusing on submenu items when they are open. Closes <a href="http://core.trac.wordpress.org/ticket/24839">#24839</a>, props dannydehaan, joedolson, lancewillett, Frank Klein.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpcontentthemestwentythirteencsseditorstylecss">trunk/src/wp-content/themes/twentythirteen/css/editor-style.css</a></li>
<li><a href="#trunksrcwpcontentthemestwentythirteencssiecss">trunk/src/wp-content/themes/twentythirteen/css/ie.css</a></li>
<li><a href="#trunksrcwpcontentthemestwentythirteenfunctionsphp">trunk/src/wp-content/themes/twentythirteen/functions.php</a></li>
<li><a href="#trunksrcwpcontentthemestwentythirteenjsfunctionsjs">trunk/src/wp-content/themes/twentythirteen/js/functions.js</a></li>
<li><a href="#trunksrcwpcontentthemestwentythirteenstylecss">trunk/src/wp-content/themes/twentythirteen/style.css</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpcontentthemestwentythirteencsseditorstylecss"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-content/themes/twentythirteen/css/editor-style.css (27606 => 27607)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-content/themes/twentythirteen/css/editor-style.css  2014-03-19 05:28:24 UTC (rev 27606)
+++ trunk/src/wp-content/themes/twentythirteen/css/editor-style.css     2014-03-19 05:28:36 UTC (rev 27607)
</span><span class="lines">@@ -366,7 +366,7 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> .mceTemp + ul,
</span><del>-.mceTemp + ol  {
</del><ins>+.mceTemp + ol {
</ins><span class="cx">   list-style-position: inside;
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunksrcwpcontentthemestwentythirteencssiecss"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-content/themes/twentythirteen/css/ie.css (27606 => 27607)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-content/themes/twentythirteen/css/ie.css    2014-03-19 05:28:24 UTC (rev 27606)
+++ trunk/src/wp-content/themes/twentythirteen/css/ie.css       2014-03-19 05:28:36 UTC (rev 27607)
</span><span class="lines">@@ -220,11 +220,17 @@
</span><span class="cx">  top: 40px;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-.ie7 .nav-menu li ul ul {
-       left: 100%;
-       top: 0;
</del><ins>+.ie7 .nav-menu .sub-menu,
+.ie7 .nav-menu .children {
+       display: none;
+       overflow: visible;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+.ie7 ul.nav-menu li:hover > ul,
+.ie7 .nav-menu ul li:hover > ul {
+       display: block;
+}
+
</ins><span class="cx"> .ie7 .site-header .search-form [type="search"],
</span><span class="cx"> .ie7 .site-header .search-form [type="text"] {
</span><span class="cx">  background-color: #fff;
</span></span></pre></div>
<a id="trunksrcwpcontentthemestwentythirteenfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-content/themes/twentythirteen/functions.php (27606 => 27607)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-content/themes/twentythirteen/functions.php 2014-03-19 05:28:24 UTC (rev 27606)
+++ trunk/src/wp-content/themes/twentythirteen/functions.php    2014-03-19 05:28:36 UTC (rev 27607)
</span><span class="lines">@@ -168,7 +168,7 @@
</span><span class="cx">          wp_enqueue_script( 'jquery-masonry' );
</span><span class="cx"> 
</span><span class="cx">  // Loads JavaScript file with functionality specific to Twenty Thirteen.
</span><del>-       wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '2013-07-18', true );
</del><ins>+        wp_enqueue_script( 'twentythirteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '2014-03-18', true );
</ins><span class="cx"> 
</span><span class="cx">  // Add Source Sans Pro and Bitter fonts, used in the main stylesheet.
</span><span class="cx">  wp_enqueue_style( 'twentythirteen-fonts', twentythirteen_fonts_url(), array(), null );
</span></span></pre></div>
<a id="trunksrcwpcontentthemestwentythirteenjsfunctionsjs"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-content/themes/twentythirteen/js/functions.js (27606 => 27607)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-content/themes/twentythirteen/js/functions.js       2014-03-19 05:28:24 UTC (rev 27606)
+++ trunk/src/wp-content/themes/twentythirteen/js/functions.js  2014-03-19 05:28:36 UTC (rev 27607)
</span><span class="lines">@@ -16,11 +16,12 @@
</span><span class="cx">  $( function() {
</span><span class="cx">          if ( body.is( '.sidebar' ) ) {
</span><span class="cx">                  var sidebar   = $( '#secondary .widget-area' ),
</span><del>-                           secondary = ( 0 == sidebar.length ) ? -40 : sidebar.height(),
</del><ins>+                            secondary = ( 0 === sidebar.length ) ? -40 : sidebar.height(),
</ins><span class="cx">                       margin    = $( '#tertiary .widget-area' ).height() - $( '#content' ).height() - secondary;
</span><span class="cx"> 
</span><del>-                       if ( margin > 0 && _window.innerWidth() > 999 )
</del><ins>+                        if ( margin > 0 && _window.innerWidth() > 999 ) {
</ins><span class="cx">                           $( '#colophon' ).css( 'margin-top', margin + 'px' );
</span><ins>+                       }
</ins><span class="cx">           }
</span><span class="cx">  } );
</span><span class="cx"> 
</span><span class="lines">@@ -29,12 +30,14 @@
</span><span class="cx">   */
</span><span class="cx">  ( function() {
</span><span class="cx">          var nav = $( '#site-navigation' ), button, menu;
</span><del>-               if ( ! nav )
</del><ins>+                if ( ! nav ) {
</ins><span class="cx">                   return;
</span><ins>+               }
</ins><span class="cx"> 
</span><span class="cx">          button = nav.find( '.menu-toggle' );
</span><del>-               if ( ! button )
</del><ins>+                if ( ! button ) {
</ins><span class="cx">                   return;
</span><ins>+               }
</ins><span class="cx"> 
</span><span class="cx">          // Hide button if menu is missing or empty.
</span><span class="cx">          menu = nav.find( '.nav-menu' );
</span><span class="lines">@@ -43,9 +46,14 @@
</span><span class="cx">                  return;
</span><span class="cx">          }
</span><span class="cx"> 
</span><del>-               $( '.menu-toggle' ).on( 'click.twentythirteen', function() {
</del><ins>+                button.on( 'click.twentythirteen', function() {
</ins><span class="cx">                   nav.toggleClass( 'toggled-on' );
</span><span class="cx">          } );
</span><ins>+
+               // Better focus for hidden submenu items for accessibility.
+               menu.find( 'a' ).on( 'focus.twentythirteen blur.twentythirteen', function() {
+                       $( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
+               } );
</ins><span class="cx">   } )();
</span><span class="cx"> 
</span><span class="cx">  /**
</span><span class="lines">@@ -58,8 +66,9 @@
</span><span class="cx">          var element = document.getElementById( location.hash.substring( 1 ) );
</span><span class="cx"> 
</span><span class="cx">          if ( element ) {
</span><del>-                       if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) )
</del><ins>+                        if ( ! /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) {
</ins><span class="cx">                           element.tabIndex = -1;
</span><ins>+                       }
</ins><span class="cx"> 
</span><span class="cx">                  element.focus();
</span><span class="cx">          }
</span></span></pre></div>
<a id="trunksrcwpcontentthemestwentythirteenstylecss"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-content/themes/twentythirteen/style.css (27606 => 27607)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-content/themes/twentythirteen/style.css     2014-03-19 05:28:24 UTC (rev 27606)
+++ trunk/src/wp-content/themes/twentythirteen/style.css        2014-03-19 05:28:36 UTC (rev 27607)
</span><span class="lines">@@ -753,7 +753,7 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> .wp-caption.alignleft + ul,
</span><del>-.wp-caption.alignleft + ol  {
</del><ins>+.wp-caption.alignleft + ol {
</ins><span class="cx">   list-style-position: inside;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -867,7 +867,9 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> .nav-menu li:hover > a,
</span><del>-.nav-menu li a:hover {
</del><ins>+.nav-menu li a:hover,
+.nav-menu li:focus > a,
+.nav-menu li a:focus {
</ins><span class="cx">   background-color: #220e10;
</span><span class="cx">  color: #fff;
</span><span class="cx"> }
</span><span class="lines">@@ -877,11 +879,14 @@
</span><span class="cx">  background-color: #220e10;
</span><span class="cx">  border: 2px solid #f7f5e7;
</span><span class="cx">  border-top: 0;
</span><del>-       display: none;
</del><span class="cx">   padding: 0;
</span><span class="cx">  position: absolute;
</span><span class="cx">  left: -2px;
</span><span class="cx">  z-index: 99999;
</span><ins>+       height: 1px;
+       width: 1px;
+       overflow: hidden;
+       clip: rect(1px, 1px, 1px, 1px);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> .nav-menu .sub-menu ul,
</span><span class="lines">@@ -899,13 +904,20 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> ul.nav-menu ul a:hover,
</span><del>-.nav-menu ul ul a:hover {
</del><ins>+.nav-menu ul ul a:hover,
+ul.nav-menu ul a:focus,
+.nav-menu ul ul a:focus {
</ins><span class="cx">   background-color: #db572f;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> ul.nav-menu li:hover > ul,
</span><del>-.nav-menu ul li:hover > ul {
-       display: block;
</del><ins>+.nav-menu ul li:hover > ul,
+ul.nav-menu .focus > ul,
+.nav-menu .focus > ul {
+       clip: inherit;
+       overflow: inherit;
+       height: inherit;
+       width: inherit;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> .nav-menu .current_page_item > a,
</span></span></pre>
</div>
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