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ignore delta=0 mousewheel event

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fix #1607
This commit is contained in:
Gerald
2016-08-19 13:37:35 +08:00
committed by Hakim El Hattab
parent 0b6585bd44
commit 969885a7dc
1 changed files with 7 additions and 5 deletions
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12
js/reveal.js
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@@ -2605,10 +2605,10 @@
* Updates the slide number div to reflect the current slide. * Updates the slide number div to reflect the current slide.
* *
* The following slide number formats are available: * The following slide number formats are available:
* "h.v": horizontal . vertical slide number (default) * "h.v": horizontal . vertical slide number (default)
* "h/v": horizontal / vertical slide number * "h/v": horizontal / vertical slide number
* "c": flattened slide number * "c": flattened slide number
* "c/t": flattened slide number / total slides * "c/t": flattened slide number / total slides
*/ */
function updateSlideNumber() { function updateSlideNumber() {
@@ -4297,7 +4297,9 @@
if( delta > 0 ) { if( delta > 0 ) {
navigateNext(); navigateNext();
} }
else { // fix #1607: On MacBook trackpad, a `delta=0` mousewheel event
// will be triggered as soon as two fingers touch.
else if( delta < 0 ) {
navigatePrev(); navigatePrev();
} }