Interface TextCharPredicate

All Superinterfaces:
FunctionPointer
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface @Generated("org.javagi.JavaGI") public interface TextCharPredicate extends FunctionPointer

Functional interface declaration of the TextCharPredicate callback.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    run(int ch)
    The predicate function used by gtk_text_iter_forward_find_char() and gtk_text_iter_backward_find_char().
    default MemorySegment
    toCallback(Arena arena)
    Creates a native function pointer to the upcall(int, MemorySegment) method.
    default int
    upcall(int ch, MemorySegment userData)
    The upcall method is called from native code.

  • Method Details

    • run

      boolean run(int ch)
      The predicate function used by gtk_text_iter_forward_find_char() and gtk_text_iter_backward_find_char().
      Parameters:
      ch - a Unicode code point
      Returns:
      true if the predicate is satisfied, and the iteration should stop, and false otherwise

    • upcall

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