Render output using gtk windows

Render chart output, text output etc using gtk so it will pop a window with the chart.
For images (charts), the gtk window could contiain zoom controls.

For tabular data, it could contain a scrollbars as necessary. In this case, it is both a presenter and a dest. Maybe there is a mime type to specify structured data, better than tsv?
In the long run, maybe one would like to add