visibility_notify Event

The fields that can be unified in visibility_notify events are:

  1. type(T) unifies T with visibility_notify.
  2. serial(S) unifies S with the serial number of the last request processed by the server.
  3. send_event(B) unifies B, a boolean value, with one of

    If the event was sent by another client.
    If the event was sent by the server.
  4. display(D) unifies D with the ProXL Display the event was read from.
  5. window(W) unifies W with the ProXL Window that receives the event.
  6. state(S) unifies S with one of:

    If the window is viewable and completely unobscured.
    If the window is viewable and partially obscured.
    If the window is fully obscured by another window.