From 531d1e8791ea6b19834426bca603a3784ba71708 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab <hakim.elhattab@gmail.com>
Date: Mon, 16 Apr 2018 09:48:37 +0200
Subject: [PATCH] prevent linked slide numbers from changing color

---
 css/reveal.css  |  3 +++
 css/reveal.scss |  4 ++++
 js/reveal.js    | 59 +++++++++++++++++++++++++------------------------
 3 files changed, 37 insertions(+), 29 deletions(-)

diff --git a/css/reveal.css b/css/reveal.css
index d79024c..bc96e1e 100644
--- a/css/reveal.css
+++ b/css/reveal.css
@@ -460,6 +460,9 @@ body {
   background-color: rgba(0, 0, 0, 0.4);
   padding: 5px; }
 
+.reveal .slide-number a {
+  color: currentColor; }
+
 .reveal .slide-number-delimiter {
   margin: 0 3px; }
 
diff --git a/css/reveal.scss b/css/reveal.scss
index 6fb5419..5992250 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -553,6 +553,10 @@ $controlsArrowAngleActive: 36deg;
 	padding: 5px;
 }
 
+.reveal .slide-number a {
+	color: currentColor;
+}
+
 .reveal .slide-number-delimiter {
 	margin: 0 3px;
 }
diff --git a/js/reveal.js b/js/reveal.js
index a953fe2..477a1ea 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -68,7 +68,7 @@
 
 			// Display the page number of the current slide
 			slideNumber: false,
-			
+
 			// Use 1 based indexing for # links to match slide number (default is zero
 			// based)
 			hashOneBasedIndex: false,
@@ -1259,7 +1259,7 @@
 		document.removeEventListener( 'keypress', onDocumentKeyPress, false );
 		window.removeEventListener( 'hashchange', onWindowHashChange, false );
 		window.removeEventListener( 'resize', onWindowResize, false );
-		
+
 		dom.wrapper.removeEventListener( 'pointerdown', onPointerDown, false );
 		dom.wrapper.removeEventListener( 'pointermove', onPointerMove, false );
 		dom.wrapper.removeEventListener( 'pointerup', onPointerUp, false );
@@ -2255,41 +2255,41 @@
 		return overview;
 
 	}
-	
+
 	/**
 	 * Return a hash URL that will resolve to the current slide location.
 	 */
-	
 	function locationHash() {
-    
-    var url = '/';
 
-    // Attempt to create a named link based on the slide's ID
+		var url = '/';
+
+		// Attempt to create a named link based on the slide's ID
 		var id = currentSlide ? currentSlide.getAttribute( 'id' ) : null;
-    if( id ) {
-      id = encodeURIComponent( id );
-    }
+		if( id ) {
+			id = encodeURIComponent( id );
+		}
 
-    var indexf;
-    if( config.fragmentInURL ) {
-      indexf = getIndices().f;
-    }
+		var indexf;
+		if( config.fragmentInURL ) {
+			indexf = getIndices().f;
+		}
 
-    // If the current slide has an ID, use that as a named link,
-    // but we don't support named links with a fragment index
-    if( typeof id === 'string' && id.length && indexf === undefined ) {
-      url = '/' + id;
-    }
-    // Otherwise use the /h/v index
-    else {
-      if( indexh > 0 || indexv > 0 || indexf !== undefined ) url += indexh + config.hashOneBasedIndex;
-      if( indexv > 0 || indexf !== undefined ) url += '/' + (indexv + config.hashOneBasedIndex);
-      if( indexf !== undefined ) url += '/' + indexf;
-    }
+		// If the current slide has an ID, use that as a named link,
+		// but we don't support named links with a fragment index
+		if( typeof id === 'string' && id.length && indexf === undefined ) {
+			url = '/' + id;
+		}
+		// Otherwise use the /h/v index
+		else {
+			if( indexh > 0 || indexv > 0 || indexf !== undefined ) url += indexh + config.hashOneBasedIndex;
+			if( indexv > 0 || indexf !== undefined ) url += '/' + (indexv + config.hashOneBasedIndex);
+			if( indexf !== undefined ) url += '/' + indexf;
+		}
+
+		return url;
 
-    return url;
 	}
-	
+
 	/**
 	 * Checks if the current or specified slide is vertical
 	 * (nested within another slide).
@@ -3009,6 +3009,7 @@
 	 * @return {string} HTML string fragment
 	 */
 	function formatSlideNumber( a, delimiter, b ) {
+
 		var url = '#' + locationHash();
 		if( typeof b === 'number' && !isNaN( b ) ) {
 			return  '<a href="' + url + '">' +
@@ -3839,10 +3840,10 @@
 		}
 		else {
 			// Read the index components of the hash
-
 			var h = parseInt( bits[0], 10 ) || 0 - config.hashOneBasedIndex,
 				v = parseInt( bits[1], 10 ) || 0 - config.hashOneBasedIndex,
 				f;
+
 			if( config.fragmentInURL ) {
 				f = parseInt( bits[2], 10 );
 				if( isNaN( f ) ) {
@@ -3856,7 +3857,7 @@
 		}
 
 	}
-	
+
 	/**
 	 * Updates the page URL (hash) to reflect the current
 	 * state.