[ Version ( since = "2.12" ) ]
public bool has_tooltip { get; set; }
Enables or disables the emission of the [signal@Gtk.
Widget:GtkWidget:query-tooltip] signal on widget.
A true value indicates that widget can have a tooltip, in this case the widget will be queried using [signal@Gtk.Widget:
GtkWidget:query-tooltip] to determine whether it will provide a tooltip or not.