fix & regression test for issue 355: Row number Issue

[dygraphs.git] / dygraph.js

diff --git a/dygraph.js b/dygraph.js
index dc7aabf..3dfc326 100644 (file)
--- a/dygraph.js
+++ b/dygraph.js
@@ -1839,7 +1839,11 @@ Dygraph.prototype.mouseMove_ = function(event) {
 
   var callback = this.attr_("highlightCallback");
   if (callback && selectionChanged) {
-    callback(event, this.lastx_, this.selPoints_, this.lastRow_, this.highlightSet_);
+    callback(event,
+        this.lastx_,
+        this.selPoints_,
+        this.lastRow_ + this.getLeftBoundary_(),
+        this.highlightSet_);
   }
 };