Function gtk_sys::gtk_cell_area_activate_cell

pub unsafe extern "C" fn gtk_cell_area_activate_cell(
    area: *mut GtkCellArea,
    widget: *mut GtkWidget,
    renderer: *mut GtkCellRenderer,
    event: *mut GdkEvent,
    cell_area: *const GdkRectangle,
    flags: GtkCellRendererState
) -> gboolean