Charts: ChartMaker work wrong in a Combined Chart

Summary:

ChartMaker work wrong in a Combined Chart. CombinedChartData got a line data , a bar data, the line data highlightEnabled is NO , the bar data highlightEnabled is YES, then set a ChartMaker to Combined Chart. The maker is always reveal the line data value, even the bar data is selected in this situation.

Expected Results:

The maker is reveal the line data value when the line data selected(highlighted), reveal the bar data value when the bar data selected(highlighted).

Steps to Reproduce:

In the example project, ChartDemo

1. In the CombinedChartViewController add code in func viewDidLoad BalloonMarker *marker = [[BalloonMarker alloc] initWithColor:[UIColor colorWithWhite:180/255. alpha:1.0] font:[UIFont systemFontOfSize:12.0] insets: UIEdgeInsetsMake(8.0, 8.0, 20.0, 8.0)]; marker.minimumSize = CGSizeMake(80.f, 40.f); _chartView.marker = marker;
2. add code in func -(LineChartData *)generateLineData set.highlightEnabled = NO;
3. add code in func -(BarChartData *)generateBarData set.highlightEnabled = YES;
4. build and run

Bug in Code

when I debug for this, I found the call stack : tapGestureRecognized in BarLineChartViewBase.swift -> getHighlightByTouchPoint in BarLineChartViewBase.swift -> getHighlight in ChartHighlighter.swift -> getDataSetIndex in ChartHighlighter.swift ->

i think there is some wrong in code below

let dataSetIndex = ChartUtils.closestDataSetIndex(valsAtIndex, value: y, axis: axis) if a chart not a combine chart , this func result dataSetIndex is right , but In a Combined Chart , dataSetIndex is wrong ,

can anybody recheck this

ps: in my Objective-c project, debug swift is so difficult , any good skills?