Give extending classes access to some of the data grid's paint utilities.

[ghost]

Hi, my name is Logan McNichols. I am an intern for Jupyter Cal Poly. I am working on a tabular data editor powered by the DataGrid along with @kgoo124 and @ryuntalan.

We are working on a design that involves painting LabIcons onto the DataGrid's canvas to correspond the the type of field in a given column. To achieve this, we would like to be able to extend the DataGrid class to add custom drawing functions. To do this, our class would need to be able to access some properties & methods of the DataGrid that are currently set to private.

The methods we would need access to are
_paintContent
_repaintContent
& _repaintOverlay

The properties we would need getters for are

• _canvasGC
• _rowSections
• _columnSections
• _columnHeaderSections
• _rowHeaderSections.