Interface SignalGroup.UnbindCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
SignalGroup
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 SignalGroup.UnbindCallback extends FunctionPointer

Functional interface declaration of the UnbindCallback callback.

Since:
2.72
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    run()
    This signal is emitted when the target instance of self is set to a new GObject.
    default MemorySegment
    toCallback(Arena arena)
    Creates a native function pointer to the upcall(MemorySegment) method.
    default void
    upcall(MemorySegment sourceSignalGroup)
    The upcall method is called from native code.

  • Method Details

    • run

      void run()

      This signal is emitted when the target instance of self is set to a new GObject.

      This signal will only be emitted if the previous target of self is non-null.

      Since:
      2.72

    • upcall

      default void upcall(MemorySegment sourceSignalGroup)
      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