Better box select in bar chart

The default box selection in the bar chart is not great - it only works if you select the center of the top edge of the rectangle of the bar. I want it to select the bar if any part of the rectangle is touching the selection. For example in this case I want it to select all the bars in the middle as well.
Or in this case it’s obvious that this is bad for a non-technical user.

How would I go about doing it?

I’d like to get a reply on this.

Bumpity bumpy bump .