pub unsafe extern "C" fn gtk_font_dialog_choose_font_and_features(
self_: *mut GtkFontDialog,
parent: *mut GtkWindow,
initial_value: *mut PangoFontDescription,
cancellable: *mut GCancellable,
callback: GAsyncReadyCallback,
user_data: gpointer
)
Available on crate feature
v4_10
only.