From 78872dca42bad0e58a8e0bd34c415c036d97ebe4 Mon Sep 17 00:00:00 2001
From: jzaefferer <joern.zaefferer@gmail.com>
Date: Wed, 27 Oct 2010 17:45:32 +0200
Subject: Spinner: Improved mousewheel event handling

---
 ui/jquery.ui.spinner.js | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/ui/jquery.ui.spinner.js b/ui/jquery.ui.spinner.js
index b6cf615da..349dc73c9 100644
--- a/ui/jquery.ui.spinner.js
+++ b/ui/jquery.ui.spinner.js
@@ -183,23 +183,26 @@ $.widget('ui.spinner', {
 	},
 	
 	_mousewheel: function() {
+		// need the delta normalization that mousewheel plugin provides
+		if (!$.fn.mousewheel) {
+			return;
+		}
 		var self = this;
 		this.element.bind("mousewheel.spinner", function(event, delta) {
 			if (self.options.disabled) {
 				return;
 			}
-			if (!self._start(event)) {
+			if (!self.spinning && !self._start(event)) {
 				return false;
 			}
 			self._spin((delta > 0 ? 1 : -1) * self.options.step, event);
 			clearTimeout(self.timeout);
-			// TODO can we implement that without a timeout?
 			self.timeout = setTimeout(function() {
 				if (self.spinning) {
 					self._stop(event);
 					self._change(event);
 				}
-			}, 13);
+			}, 100);
 			event.preventDefault();
 		});
 	},
@@ -214,7 +217,7 @@ $.widget('ui.spinner', {
 	},
 	
 	_start: function(event) {
-		if (!this.spinning && this._trigger('start', event, { value: this.options.value}) !== false) {
+		if (!this.spinning && this._trigger('start', event) !== false) {
 			if (!this.counter) {
 				this.counter = 1;
 			}
-- 
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