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add zoomKey option for #700

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This commit is contained in:
Hakim El Hattab
2013-11-26 09:00:04 -05:00
parent adbf36ad47
commit e947f0f216
1 changed files with 3 additions and 1 deletions
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4
plugin/zoom-js/zoom.js
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@ -3,7 +3,9 @@
var isEnabled = true;
document.querySelector( '.reveal' ).addEventListener( 'mousedown', function( event ) {
if( event.altKey && isEnabled ) {
var modifier = ( Reveal.getConfig().zoomKey ? Reveal.getConfig().zoomKey : 'alt' ) + 'Key';
if( event[ modifier ] && isEnabled ) {
event.preventDefault();
zoom.to({ element: event.target, pan: false });
}