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https://github.com/sjlongland/tornado-gallery.git
synced 2025-09-13 08:42:23 +10:00
Stuart Longland
1706852291
This is a first stab, and yes, things are *UGLY*, particularly the JavaScript, which was written almost 10 years ago. As such, it pre-dates versions of IE that play nice with web standards, Promises and lots of other advancements. My knowledge of JavaScript has also greatly improved since then. :-)
26 lines
659 B
JavaScript
26 lines
659 B
JavaScript
/* Source: http://adomas.org/javascript-mouse-wheel/ */
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function wheel(event){
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var delta = 0;
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if (!event) /* For IE. */
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event = window.event;
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if (event.wheelDelta) { /* IE/Opera. */
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delta = event.wheelDelta/120;
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if (window.opera)
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delta = -delta;
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} else if (event.detail) { /** Mozilla case. */
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delta = -event.detail/3;
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}
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if (delta)
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wheelHandler(delta);
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if (event.preventDefault)
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event.preventDefault();
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event.returnValue = false;
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}
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if (window.addEventListener)
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/** DOMMouseScroll is for mozilla. */
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window.addEventListener('DOMMouseScroll', wheel, false);
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else
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/** IE/Opera. */
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window.onmousewheel = document.onmousewheel = wheel;
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