getFocusFromSibling

Gets the GtkCellRenderer which is expected to be focusable for which @renderer is, or may be a sibling.

This is handy for GtkCellArea 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.

Return

the GtkCellRenderer for which @renderer is a sibling

Parameters

renderer

the GtkCellRenderer