CellArea.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.

Parameters

renderer gtk.cell_renderer.CellRenderer

the #GtkCellRenderer

Return Value

Type: gtk.cell_renderer.CellRenderer

the #GtkCellRenderer for which renderer is a sibling, or null.