Make the Twenty Fifteen search form submit button screen reader accessible rather than hidden to all users. Fixes #30110. Props mattweibe, rianrietveld.

Built from https://develop.svn.wordpress.org/trunk@30053


git-svn-id: http://core.svn.wordpress.org/trunk@30053 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentyfifteen/functions.php

@@ -310,6 +310,20 @@ function twentyfifteen_nav_description( $item_output, $item, $depth, $args ) {
 }
 add_filter( 'walker_nav_menu_start_el', 'twentyfifteen_nav_description', 10, 4 );
 
+/**
+ * Add a `screen-reader-text` class to the search form's submit button
+ *
+ * @since Twenty Fifteen 1.0
+ *
+ * @param string $html Search form HTML
+ *
+ * @return string Modified search form HTML
+ */
+function twentyfifteen_search_form_modify( $html ) {
+	return str_replace( 'class="search-submit"', 'class="search-submit screen-reader-text"', $html );
+}
+add_filter( 'get_search_form', 'twentyfifteen_search_form_modify' );
+
 /**
  * Implement the Custom Header feature.
  *

wp-content/themes/twentyfifteen/style.css

@@ -596,10 +596,6 @@ textarea {
 	bottom: 0;
 }
 
-.search-form input[type="submit"] {
-	display: none;
-}
-
 
 /**
  * 6.0 Navigations

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-alpha-30052';
+$wp_version = '4.1-alpha-30053';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.