Interface InfoBar.ResponseCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
InfoBar
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 InfoBar.ResponseCallback extends FunctionPointer

Functional interface declaration of the ResponseCallback callback.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    run(int responseId)
    Emitted when an action widget is clicked.
    default MemorySegment
    toCallback(Arena arena)
    Creates a native function pointer to the upcall(MemorySegment, int) method.
    default void
    upcall(MemorySegment sourceInfoBar, int responseId)
    The upcall method is called from native code.

  • Method Details

    • run

      void run(int responseId)

      Emitted when an action widget is clicked.

      The signal is also emitted when the application programmer calls InfoBar.response(int). The responseId depends on which action widget was clicked.

    • upcall

      default void upcall(MemorySegment sourceInfoBar, int responseId)
      The upcall method is called from native code. The parameters are marshaled and run(int) 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