Make highlightFullBarEnabled feature work again

Source/Charts/Charts/BarChartView.swift

@@ -66,8 +66,20 @@ open class BarChartView: BarLineChartViewBase, BarChartDataProvider
             Swift.print("Can't select by touch. No data set.")
             return nil
         }
-
-        return self.highlighter?.getHighlight(x: pt.x, y: pt.y)
+
+        guard let h = self.highlighter?.getHighlight(x: pt.x, y: pt.y)
+            else { return nil }
+
+        if !isHighlightFullBarEnabled { return h }
+
+        // For isHighlightFullBarEnabled, remove stackIndex
+        return Highlight(
+            x: h.x, y: h.y,
+            xPx: h.xPx, yPx: h.yPx,
+            dataIndex: h.dataIndex,
+            dataSetIndex: h.dataSetIndex,
+            stackIndex: -1,
+            axis: h.axis)
     }
 
     /// - returns: The bounding box of the specified Entry in the specified DataSet. Returns null if the Entry could not be found in the charts data.

Source/Charts/Charts/CombinedChartView.swift

@@ -76,6 +76,30 @@ open class CombinedChartView: BarLineChartViewBase, CombinedChartDataProvider
         }
     }
 
+    /// - returns: The Highlight object (contains x-index and DataSet index) of the selected value at the given touch point inside the CombinedChart.
+    open override func getHighlightByTouchPoint(_ pt: CGPoint) -> Highlight?
+    {
+        if _data === nil
+        {
+            Swift.print("Can't select by touch. No data set.")
+            return nil
+        }
+
+        guard let h = self.highlighter?.getHighlight(x: pt.x, y: pt.y)
+            else { return nil }
+
+        if !isHighlightFullBarEnabled { return h }
+
+        // For isHighlightFullBarEnabled, remove stackIndex
+        return Highlight(
+            x: h.x, y: h.y,
+            xPx: h.xPx, yPx: h.yPx,
+            dataIndex: h.dataIndex,
+            dataSetIndex: h.dataSetIndex,
+            stackIndex: -1,
+            axis: h.axis)
+    }
+
     // MARK: - CombinedChartDataProvider
 
     open var combinedData: CombinedChartData?