Interface EventControllerKey.ModifiersCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
EventControllerKey
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public static interface EventControllerKey.ModifiersCallback extends FunctionPointer

Functional interface declaration of the ModifiersCallback callback.

See Also:
  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    Emitted whenever the state of modifier keys and pointer buttons change.
    Creates a native function pointer to the upcall(MemorySegment, int) method.
    default int
    upcall(MemorySegment sourceEventControllerKey, int state)
    The upcall method is called from native code.
  • Method Details

    • run

      boolean run(Set<ModifierType> state)
      Emitted whenever the state of modifier keys and pointer buttons change.
    • upcall

      default int upcall(MemorySegment sourceEventControllerKey, int state)
      The upcall method is called from native code. The parameters are marshaled and run(Set) is executed.
    • toCallback

      default MemorySegment toCallback(Arena arena)
      Creates a native function pointer to the upcall(MemorySegment, int) method.
      Specified by:
      toCallback in interface FunctionPointer
      Parameters:
      arena - the arena in which the function pointer is allocated
      Returns:
      the native function pointer