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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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4
js/reveal.js
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@@ -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();
} }