diff --git a/css/reveal.css b/css/reveal.css index c8cefe1c..bc314535 100644 --- a/css/reveal.css +++ b/css/reveal.css @@ -376,6 +376,16 @@ body { .reveal.has-light-background .controls { color: #000; } +.reveal.no-hover .controls .controls-arrow:hover:before, +.reveal.no-hover .controls .controls-arrow:active:before { + -webkit-transform: translateX(0.5em) translateY(1.55em) rotate(45deg); + transform: translateX(0.5em) translateY(1.55em) rotate(45deg); } + +.reveal.no-hover .controls .controls-arrow:hover:after, +.reveal.no-hover .controls .controls-arrow:active:after { + -webkit-transform: translateX(0.5em) translateY(1.55em) rotate(-45deg); + transform: translateX(0.5em) translateY(1.55em) rotate(-45deg); } + @media screen and (min-width: 500px) { .reveal .controls[data-controls-layout="edges"] { top: 0; diff --git a/css/reveal.scss b/css/reveal.scss index 31f235f6..b82cebc9 100644 --- a/css/reveal.scss +++ b/css/reveal.scss @@ -251,23 +251,23 @@ $controlArrowSize: 3.6em; $controlArrowSpacing: 1.4em; $controlArrowLength: 2.6em; $controlArrowThickness: 0.5em; +$controlsArrowAngle: 45deg; +$controlsArrowAngleHover: 40deg; +$controlsArrowAngleActive: 36deg; + +@mixin controlsArrowTransform( $angle ) { + &:before { + transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( $angle ); + } + + &:after { + transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( -$angle ); + } +} .reveal .controls { - $angle: 45deg; - $angleHover: 40deg; - $angleActive: 36deg; $spacing: 12px; - @mixin arrowTransform( $angle ) { - &:before { - transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( $angle ); - } - - &:after { - transform: translateX(($controlArrowSize - $controlArrowLength)/2) translateY(($controlArrowSize - $controlArrowThickness)/2) rotate( -$angle ); - } - } - display: none; position: absolute; top: auto; @@ -323,14 +323,14 @@ $controlArrowThickness: 0.5em; width: $controlArrowSize; height: $controlArrowSize; - @include arrowTransform( $angle ); + @include controlsArrowTransform( $controlsArrowAngle ); &:hover { - @include arrowTransform( $angleHover ); + @include controlsArrowTransform( $controlsArrowAngleHover ); } &:active { - @include arrowTransform( $angleActive ); + @include controlsArrowTransform( $controlsArrowAngleActive ); } } @@ -438,14 +438,20 @@ $controlArrowThickness: 0.5em; bottom: $controlArrowSpacing; } +// Invert arrows based on background color .reveal.has-dark-background .controls { color: #fff; } - .reveal.has-light-background .controls { color: #000; } +// Disable active states on touch devices +.reveal.no-hover .controls .controls-arrow:hover, +.reveal.no-hover .controls .controls-arrow:active { + @include controlsArrowTransform( $controlsArrowAngle ); +} + // Edge aligned controls layout @media screen and (min-width: 500px) { diff --git a/js/reveal.js b/js/reveal.js index bf2f6a02..d0178d4b 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -523,6 +523,13 @@ // Prevent transitions while we're loading dom.slides.classList.add( 'no-transition' ); + if( isMobileDevice ) { + dom.wrapper.classList.add( 'no-hover' ); + } + else { + dom.wrapper.classList.remove( 'no-hover' ); + } + // Background element dom.background = createSingletonNode( dom.wrapper, 'div', 'backgrounds', null );