Function gtk_sys::gtk_cell_area_activate

pub unsafe extern "C" fn gtk_cell_area_activate(
    area: *mut GtkCellArea,
    context: *mut GtkCellAreaContext,
    widget: *mut GtkWidget,
    cell_area: *const GdkRectangle,
    flags: GtkCellRendererState,
    edit_only: gboolean
) -> gboolean