gtk:cell-area-is-focus-sibling (area renderer sibling)

area -- a gtk:cell-area object
renderer -- a gtk:cell-renderer object expected to have focus
sibling -- a gtk:cell-renderer object to check against the sibling list of the cell renderer

True if sibling is a focus sibling of renderer.

Returns whether sibling is one of the focus siblings of the cell renderer. See the gtk:cell-area-add-focus-sibling function. The gtk:cell-area implementation is deprecated since 4.10. List views use widgets for displaying their contents.