From 967454c43443e19b270f13be3840c451edecdfbc Mon Sep 17 00:00:00 2001
From: Jörn Zaefferer <joern.zaefferer@gmail.com>
Date: Fri, 22 Jan 2010 22:46:32 +0000
Subject: button: add ui-state-active on keydown, further improving keyboard
 navigation - doesn't yet work properly for anchors and radio/checkbox buttons

---
 ui/jquery.ui.button.js | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'ui/jquery.ui.button.js')

diff --git a/ui/jquery.ui.button.js b/ui/jquery.ui.button.js
index b2ae0f9df..8e016cb39 100644
--- a/ui/jquery.ui.button.js
+++ b/ui/jquery.ui.button.js
@@ -128,6 +128,14 @@ $.widget( "ui.button", {
 						return;
 					}
 					$( this ).removeClass( "ui-state-active" );
+				})
+				.bind( "keydown.button", function(event) {
+					if ( event.keyCode == $.ui.keyCode.SPACE || event.keyCode == $.ui.keyCode.ENTER ) {
+						$( this ).addClass( "ui-state-active" );
+					}
+				})
+				.bind( "keyup.button", function() {
+					$( this ).removeClass( "ui-state-active" );
 				});
 		}
 
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