more subtle cell highlighting

Author: pfitzseb

lib/package/config.coffee

@@ -258,6 +258,10 @@ config =
       highlightCells:
         title: 'Highlight Cells'
         type: 'boolean'
+        description: 'Customize the appearence of Juno\'s cell highlighting by
+                      adding styles for `.line.julia-current-cell` or
+                      `.line-number.julia-current-cell` to your personal
+                      stylesheet.'
         default: true
         order: 12
       layouts:

lib/ui/cellhighlighter.js

@@ -73,6 +73,10 @@ function highlightCurrentCell (ed, marker, borders) {
     }
 
     marker = ed.markBufferRange(range)
+    ed.decorateMarker(marker, {
+        type: 'line-number',
+        class: 'julia-current-cell'
+    })
     ed.decorateMarker(marker, {
         type: 'line',
         class: 'julia-current-cell'

styles/julia-client.less

@@ -155,8 +155,8 @@ atom-text-editor.editor[data-grammar$="source weave latex"] {
   max-width: 500px;
 }
 
-.julia-current-cell {
-  background-color: fade(@syntax-selection-color, 30%);
+.line-number.julia-current-cell {
+  background-image:  linear-gradient(to right, rgba(255,255,0,0), 90%, fade(@syntax-text-color, 10%));
 }
 
 .julia-cell-border {