From bdfc6d532c68c092a83461a8b76840719294313f Mon Sep 17 00:00:00 2001
From: Trey Hunner <treyhunner@gmail.com>
Date: Tue, 19 Apr 2011 11:04:08 -0700
Subject: [PATCH] Autocomplete: Fix list traversal bug. Fixes #7269 -
 autocomplete: holding down arrow keys in Firefox does not traverse list

Use keypress event for listening for arrow keys because Firefox
and Opera do not repeat keydown events for these keys.
---
 ui/jquery.ui.autocomplete.js | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/ui/jquery.ui.autocomplete.js b/ui/jquery.ui.autocomplete.js
index 1685c065236..09bf4b268cd 100644
--- a/ui/jquery.ui.autocomplete.js
+++ b/ui/jquery.ui.autocomplete.js
@@ -53,6 +53,7 @@ $.widget( "ui.autocomplete", {
 			})
 			.bind( "keydown.autocomplete", function( event ) {
 				if ( self.options.disabled || self.element.attr( "readonly" ) ) {
+                    suppressKeyPress = true;
 					return;
 				}
 
@@ -60,17 +61,21 @@ $.widget( "ui.autocomplete", {
 				var keyCode = $.ui.keyCode;
 				switch( event.keyCode ) {
 				case keyCode.PAGE_UP:
+                    suppressKeyPress = true;
 					self._move( "previousPage", event );
 					break;
 				case keyCode.PAGE_DOWN:
+                    suppressKeyPress = true;
 					self._move( "nextPage", event );
 					break;
 				case keyCode.UP:
+                    suppressKeyPress = true;
 					self._move( "previous", event );
 					// prevent moving cursor to beginning of text field in some browsers
 					event.preventDefault();
 					break;
 				case keyCode.DOWN:
+                    suppressKeyPress = true;
 					self._move( "next", event );
 					// prevent moving cursor to end of text field in some browsers
 					event.preventDefault();
@@ -112,7 +117,28 @@ $.widget( "ui.autocomplete", {
 				if ( suppressKeyPress ) {
 					suppressKeyPress = false;
 					event.preventDefault();
+                    return;
 				}
+
+				var keyCode = $.ui.keyCode;
+				switch( event.keyCode ) {
+				case keyCode.PAGE_UP:
+					self._move( "previousPage", event );
+					break;
+				case keyCode.PAGE_DOWN:
+					self._move( "nextPage", event );
+					break;
+				case keyCode.UP:
+					self._move( "previous", event );
+					// prevent moving cursor to beginning of text field in some browsers
+					event.preventDefault();
+					break;
+				case keyCode.DOWN:
+					self._move( "next", event );
+					// prevent moving cursor to end of text field in some browsers
+					event.preventDefault();
+					break;
+                }
 			})
 			.bind( "focus.autocomplete", function() {
 				if ( self.options.disabled ) {