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