Gets the gtk.CellRenderer which is expected to be focusable
for which renderer is, or may be a sibling.
This is handy for gtk.CellArea subclasses when handling events,
after determining the renderer at the event location it can
then chose to activate the focus cell for which the event
cell may have been a sibling.
Gets the gtk.CellRenderer which is expected to be focusable for which renderer is, or may be a sibling.
This is handy for gtk.CellArea subclasses when handling events, after determining the renderer at the event location it can then chose to activate the focus cell for which the event cell may have been a sibling.