From 29e0c08540c836bf16067f187ce7942398c6b250 Mon Sep 17 00:00:00 2001
From: David Gilbert <dave@jfree.org>
Date: Mon, 20 Feb 2017 21:37:24 +0100
Subject: [PATCH] Add code to update crosshairs.

---
 .../org/jfree/chart/renderer/xy/XYBlockRenderer.java  | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/jfree/chart/renderer/xy/XYBlockRenderer.java b/src/main/java/org/jfree/chart/renderer/xy/XYBlockRenderer.java
index 49139206f..6eeb5d9b4 100644
--- a/src/main/java/org/jfree/chart/renderer/xy/XYBlockRenderer.java
+++ b/src/main/java/org/jfree/chart/renderer/xy/XYBlockRenderer.java
@@ -2,7 +2,7 @@
  * JFreeChart : a free chart library for the Java(tm) platform
  * ===========================================================
  *
- * (C) Copyright 2000-2016, by Object Refinery Limited and Contributors.
+ * (C) Copyright 2000-2017, by Object Refinery Limited and Contributors.
  *
  * Project Info:  http://www.jfree.org/jfreechart/index.html
  *
@@ -27,7 +27,7 @@
  * --------------------
  * XYBlockRenderer.java
  * --------------------
- * (C) Copyright 2006-2016, by Object Refinery Limited.
+ * (C) Copyright 2006-2017, by Object Refinery Limited.
  *
  * Original Author:  David Gilbert (for Object Refinery Limited);
  * Contributor(s):   -;
@@ -41,6 +41,7 @@
  * 07-Apr-2008 : Added entity collection code (DG);
  * 22-Apr-2008 : Implemented PublicCloneable (DG);
  * 03-Jul-2013 : Use ParamChecks (DG);
+ * 20-Feb-2017 : Add update for crosshairs (DG);
  *
  */
 
@@ -382,7 +383,11 @@ public void drawItem(Graphics2D g2, XYItemRendererState state,
         g2.setStroke(new BasicStroke(1.0f));
         g2.draw(block);
 
-        EntityCollection entities = state.getEntityCollection();
+        int datasetIndex = plot.indexOf(dataset);
+        updateCrosshairValues(crosshairState, x, y, datasetIndex,
+                block.getCenterX(), block.getCenterX(), orientation);
+
+            EntityCollection entities = state.getEntityCollection();
         if (entities != null) {
             addEntity(entities, block, dataset, series, item, 0.0, 0.0);
         }