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jquery.mousewheel.js: keep the style consistent

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XhmikosR
2013-02-24 13:55:03 +02:00
parent 3386135c0c
commit 571ec7e0c8
1 changed files with 20 additions and 13 deletions
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jquery.mousewheel.js
+20 -13
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@@ -11,7 +11,7 @@
*/
(function (factory) {
if (typeof define === 'function' && define.amd) {
if ( typeof define === 'function' && define.amd ) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else {
@@ -24,8 +24,8 @@
var toBind = 'onwheel' in document || document.documentMode >= 9 ? ['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'];
var lowestDelta, lowestDeltaXY;
if ($.event.fixHooks) {
for ( var i=toFix.length; i; ) {
if ( $.event.fixHooks ) {
for ( var i = toFix.length; i; ) {
$.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
}
}
@@ -33,7 +33,7 @@
$.event.special.mousewheel = {
setup: function() {
if ( this.addEventListener ) {
for ( var i=toBind.length; i; ) {
for ( var i = toBind.length; i; ) {
this.addEventListener( toBind[--i], handler, false );
}
} else {
@@ -43,7 +43,7 @@
teardown: function() {
if ( this.removeEventListener ) {
for ( var i=toBind.length; i; ) {
for ( var i = toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
@@ -64,13 +64,20 @@
function handler(event) {
var orgEvent = event || window.event, args = [].slice.call( arguments, 1 ), delta = 0, deltaX = 0, deltaY = 0, absDelta = 0, absDeltaXY = 0, fn;
var orgEvent = event || window.event,
args = [].slice.call(arguments, 1),
delta = 0,
deltaX = 0,
deltaY = 0,
absDelta = 0,
absDeltaXY = 0,
fn;
event = $.event.fix(orgEvent);
event.type = "mousewheel";
// Old school scrollwheel delta
if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta; }
if ( orgEvent.detail ) { delta = orgEvent.detail * -1; }
if ( orgEvent.wheelDelta ) { delta = orgEvent.wheelDelta; }
if ( orgEvent.detail ) { delta = orgEvent.detail * -1; }
// New school wheel delta (wheel event)
if ( orgEvent.deltaY ) {
@@ -83,20 +90,20 @@
}
// Webkit
if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; }
if ( orgEvent.wheelDeltaY !== undefined ) { deltaY = orgEvent.wheelDeltaY; }
if ( orgEvent.wheelDeltaX !== undefined ) { deltaX = orgEvent.wheelDeltaX * -1; }
// Look for lowest delta to normalize the delta values
absDelta = Math.abs(delta);
if ( !lowestDelta || absDelta < lowestDelta ) { lowestDelta = absDelta; }
absDeltaXY = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
absDeltaXY = Math.max(Math.abs(deltaY), Math.abs(deltaX));
if ( !lowestDeltaXY || absDeltaXY < lowestDeltaXY ) { lowestDeltaXY = absDeltaXY; }
// Get a whole value for the deltas
fn = delta > 0 ? 'floor' : 'ceil';
delta = Math[fn](delta/lowestDelta);
deltaX = Math[fn](deltaX/lowestDeltaXY);
deltaY = Math[fn](deltaY/lowestDeltaXY);
delta = Math[fn](delta / lowestDelta);
deltaX = Math[fn](deltaX / lowestDeltaXY);
deltaY = Math[fn](deltaY / lowestDeltaXY);
// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);