Provides presenter mode

README.md

@@ -7,6 +7,10 @@ Web-based presentation that features
 * reveal.js with example slides in markdown,
 * Jenkins continuous delivery pipeline that deploys to Nexus repo, GitHub Pages and Kubernetes.
 * It also creates a PDF export of the slides.
+* Toggle "presenter remote" mode using the `,` key.  Off by default.
+  * This helps for presenter remotes that use the left/right key, instead of space and back.  
+  * Workaround: Map left/right keys to next/prev slide functions.
+  * Disadvantage: left and right keys are also mapped on the keyboard. But you can toggle back to normal using the `,` key.
 * Cloudogu corporate design via CSS
 
 See also our [Blog Post](https://cloudogu.com/en/blog/continuous-delivery-with-revealjs) on this topic.

index.html

@@ -39,10 +39,26 @@
 			// More info about config & dependencies:
 			// - https://github.com/hakimel/reveal.js#configuration
 			// - https://github.com/hakimel/reveal.js#dependencies
+			let presenterMode = false;
 			Reveal.initialize({
 				history: true,
 				// Use the default (h.v), because the printed version will always have this anyway
 				slideNumber: 'true',
+				// Support for presenters - press comma to toggle presenterMode mode, i.e. ⬅/➡️ keys map to
+				// prev/next slide, instead of left/right
+				keyboard: {
+					188: function() {
+						if (!presenterMode) {
+							Reveal.addKeyBinding( { keyCode: 39 }, 'next');
+							Reveal.addKeyBinding( { keyCode: 37 }, 'prev');
+						} else {
+							Reveal.removeKeyBinding( 37 );
+							Reveal.removeKeyBinding( 39 );
+						}
+						presenterMode=!presenterMode;
+						console.log(`Switched to presenter mode: ${presenterMode}`);
+					}
+				},
 				dependencies: [
 					{ src: 'plugin/markdown/marked.js' },
 					{ src: 'plugin/markdown/markdown.js' },