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added toggleHelp function

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this way a key can be given ability to toggleHelp on and off.  Previously Reveal.showHelp could open the help screen, but no way to close it.
This commit is contained in:
Frazer Kirkman 2017-02-05 18:42:59 +01:00 committed by GitHub
parent 1413cbc1a9
commit bede9a22e8
1 changed files with 14 additions and 6 deletions
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20
js/reveal.js
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@ -1628,6 +1628,18 @@
} }
/**
* Open or close help overlay window.
*/
function toggleHelp(){
if( dom.overlay ) {
closeOverlay();
}
else {
showHelp( true );
}
}
/** /**
* Opens an overlay window with help material. * Opens an overlay window with help material.
*/ */
@ -4113,12 +4125,7 @@
// Check if the pressed key is question mark // Check if the pressed key is question mark
if( event.shiftKey && event.charCode === 63 ) { if( event.shiftKey && event.charCode === 63 ) {
if( dom.overlay ) { toggleHelp();
closeOverlay();
}
else {
showHelp( true );
}
} }
} }
@ -4818,6 +4825,7 @@
// Shows a help overlay with keyboard shortcuts // Shows a help overlay with keyboard shortcuts
showHelp: showHelp, showHelp: showHelp,
toggleHelp: toggleHelp,
// Forces an update in slide layout // Forces an update in slide layout
layout: layout, layout: layout,