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progress bar can now be clicked to navigate (closes #181)

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This commit is contained in:
Hakim El Hattab 2012-10-20 12:51:12 -04:00
parent ecb4347ec1
commit 3241cb78d8
3 changed files with 107 additions and 76 deletions
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18
css/reveal.css
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@ -253,12 +253,12 @@ body {
.reveal .controls {
display: none;
position: fixed;
width: 100px;
height: 100px;
width: 90px;
height: 90px;
z-index: 30;
right: 0;
bottom: 0;
right: 10px;
bottom: 10px;
}
.reveal .controls a {
@ -304,8 +304,16 @@ body {
width: 100%;
bottom: 0;
left: 0;
z-index: 10;
}
.reveal .progress:after {
content: '';
display: 'block';
position: absolute;
height: 20px;
width: 100%;
top: -20px;
}
.reveal .progress span {
display: block;
height: 100%;

29
js/reveal.js
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@ -1,5 +1,5 @@
/*!
* reveal.js 2.1 r34
* reveal.js 2.1 r35
* http://lab.hakim.se/reveal-js
* MIT licensed
*
@ -332,6 +332,10 @@ var Reveal = (function(){
document.addEventListener( 'keydown', onDocumentKeyDown, false );
}
if ( config.progress && dom.progress ) {
dom.progress.addEventListener( 'click', preventAndForward( onProgressClick ), false );
}
if ( config.controls && dom.controls ) {
dom.controlsLeft.addEventListener( 'click', preventAndForward( navigateLeft ), false );
dom.controlsRight.addEventListener( 'click', preventAndForward( navigateRight ), false );
@ -350,6 +354,10 @@ var Reveal = (function(){
document.removeEventListener( 'touchend', onDocumentTouchEnd, false );
window.removeEventListener( 'hashchange', onWindowHashChange, false );
if ( config.progress && dom.progress ) {
dom.progress.removeEventListener( 'click', preventAndForward( onProgressClick ), false );
}
if ( config.controls && dom.controls ) {
dom.controlsLeft.removeEventListener( 'click', preventAndForward( navigateLeft ), false );
dom.controlsRight.removeEventListener( 'click', preventAndForward( navigateRight ), false );
@ -392,7 +400,7 @@ var Reveal = (function(){
function preventAndForward( delegate ) {
return function( event ) {
event.preventDefault();
delegate.call();
delegate.call( null, event );
};
}
@ -1234,8 +1242,8 @@ var Reveal = (function(){
}
/**
* Handles mouse wheel scrolling, throttled to avoid
* skipping multiple slides.
* Handles mouse wheel scrolling, throttled to avoid skipping
* multiple slides.
*/
function onDocumentMouseScroll( event ){
clearTimeout( mouseWheelTimeout );
@ -1251,6 +1259,19 @@ var Reveal = (function(){
}, 100 );
}
/**
* Clicking on the progress bar results in a navigation to the
* closest approximate horizontal slide using this equation:
*
* ( clickX / presentationWidth ) * numberOfSlides
*/
function onProgressClick( event ) {
var slidesTotal = Array.prototype.slice.call( document.querySelectorAll( HORIZONTAL_SLIDES_SELECTOR ) ).length;
var slideIndex = Math.floor( ( event.clientX / dom.wrapper.offsetWidth ) * slidesTotal );
slide( slideIndex );
}
/**
* Handler for the window level 'hashchange' event.
*

136
js/reveal.min.js vendored
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