public class GestureSwipe : GestureSingle
`GtkGestureSwipe` is a `GtkGesture` for swipe gestures.
After a press/move/.../move/release sequence happens, the [signal@Gtk.GestureSwipe:
GtkGestureSwipe:swipe] signal will be emitted,
providing the velocity and directionality of the sequence at the time it was lifted.
If the velocity is desired in intermediate points, [method@Gtk.GestureSwipe.get_velocity] can be called in a [signal@Gtk.Gesture:
All velocities are reported in pixels/sec units.