How to dynamically update items (lines) in OptionList?

[StanSvec]

I need to dynamically display processes in a tabular format (like the ps command) in a live view using OptionList as a workaround for missing remove_row method of DataTable. The idea is to use a custom Rich component with a __rich__ method that returns a rich.text.Text instance for individual columns in row. Not sure if that's the best idea, but it may possibly work.

The only issue is that I cannot make the OptionList to redraw changed lines when there is an update in a column. Nothing is refreshed when OptionList.refresh() method is executed. However when a new line (option) is added/removed it refreshes everything including changed columns of the existing lines.

Any idea please how to force the refresh? There is also a refresh method accepting a region as a parameter. Perhaps there is a way to calculate the region for a line?

[davep]

The issue here is that the OptionList isn't built to display items that have their underlying data changing on the fly; it's designed to display a list of values passed to it. By the sounds of it it does seem like the DataTable would be a better choice for you here; but if you need the updated version that allows for row removal and you can't wait, perhaps making a quick custom widget based off the line API would be the best choice for you here?

[StanSvec]

Thank you for the explanation. I'm not in a rush, so I'll just wait for the removal to become available in the data table.