13 lines
1.4 KiB
JavaScript
13 lines
1.4 KiB
JavaScript
/*! Copyright (c) 2011 Brandon Aaron (http://brandonaaron.net)
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* Licensed under the MIT License (LICENSE.txt).
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*
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* Thanks to: http://adomas.org/javascript-mouse-wheel/ for some pointers.
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* Thanks to: Mathias Bank(http://www.mathias-bank.de) for a scope bug fix.
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* Thanks to: Seamus Leahy for adding deltaX and deltaY
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*
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* Version: 3.0.6
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*
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* Requires: 1.2.2+
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*/
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(function(d){function e(a){var b=a||window.event,c=[].slice.call(arguments,1),f=0,e=0,g=0,a=d.event.fix(b);a.type="mousewheel";b.wheelDelta&&(f=b.wheelDelta/120);b.detail&&(f=-b.detail/3);g=f;b.axis!==void 0&&b.axis===b.HORIZONTAL_AXIS&&(g=0,e=-1*f);b.wheelDeltaY!==void 0&&(g=b.wheelDeltaY/120);b.wheelDeltaX!==void 0&&(e=-1*b.wheelDeltaX/120);c.unshift(a,f,e,g);return(d.event.dispatch||d.event.handle).apply(this,c)}var c=["DOMMouseScroll","mousewheel"];if(d.event.fixHooks)for(var h=c.length;h;)d.event.fixHooks[c[--h]]=
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d.event.mouseHooks;d.event.special.mousewheel={setup:function(){if(this.addEventListener)for(var a=c.length;a;)this.addEventListener(c[--a],e,false);else this.onmousewheel=e},teardown:function(){if(this.removeEventListener)for(var a=c.length;a;)this.removeEventListener(c[--a],e,false);else this.onmousewheel=null}};d.fn.extend({mousewheel:function(a){return a?this.bind("mousewheel",a):this.trigger("mousewheel")},unmousewheel:function(a){return this.unbind("mousewheel",a)}})})(jQuery); |