onCancel
fun onCancel( connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (<Error class: unknown class>?) -> Unit): <Error class: unknown class>(source)
Emitted whenever a sequence is cancelled.
This usually happens on active touches when method@Gtk.EventController.reset is called on @gesture (manually, due to grabs...), or the individual @sequence was claimed by parent widgets' controllers (see method@Gtk.Gesture.set_sequence_state).
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect. Params: sequence the GdkEventSequence that was cancelled