Interface IMContext.DeleteSurroundingCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
IMContext
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 IMContext.DeleteSurroundingCallback extends FunctionPointer

Functional interface declaration of the DeleteSurroundingCallback callback.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    run(int offset, int nChars)
    The ::delete-surrounding signal is emitted when the input method needs to delete all or part of the context surrounding the cursor.
    default MemorySegment
    toCallback(Arena arena)
    Creates a native function pointer to the upcall(MemorySegment, int, int) method.
    default int
    upcall(MemorySegment sourceIMContext, int offset, int nChars)
    The upcall method is called from native code.

  • Method Details

    • run

      boolean run(int offset, int nChars)
      The ::delete-surrounding signal is emitted when the input method needs to delete all or part of the context surrounding the cursor.

    • upcall

      default int upcall(MemorySegment sourceIMContext, int offset, int nChars)
      The upcall method is called from native code. The parameters are marshaled and run(int, int) is executed.

    • toCallback

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