Interface SpinButton.ActivateCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
SpinButton
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 SpinButton.ActivateCallback extends FunctionPointer

Functional interface declaration of the ActivateCallback callback.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    run()
    Emitted when the spin button is activated.
    default MemorySegment
    toCallback(Arena arena)
    Creates a native function pointer to the upcall(MemorySegment) method.
    default void
    upcall(MemorySegment sourceSpinButton)
    The upcall method is called from native code.

  • Method Details

    • run

      void run()

      Emitted when the spin button is activated.

      The keybindings for this signal are all forms of the Enter key.

      If the Enter key results in the value being committed to the spin button, then activation does not occur until Enter is pressed again.

      Since:
      4.14

    • upcall

      default void upcall(MemorySegment sourceSpinButton)
      The upcall method is called from native code. The parameters are marshaled and run() is executed.

    • toCallback

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