is a sibling, or null.
CellArea.getFocusFromSibling
gtk.cell_renderer.CellRenderer getFocusFromSibling(gtk.cell_renderer.CellRenderer renderer)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 | the #GtkCellRenderer |
Returns
the #GtkCellRenderer for which renderer