Interface DropTargetAsync.DragLeaveCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
DropTargetAsync
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 DropTargetAsync.DragLeaveCallback extends FunctionPointer

Functional interface declaration of the DragLeaveCallback callback.

See Also:
  • Method Details

    • run

      void run(@Nullable Drop drop)

      Emitted on the drop site when the pointer leaves the widget.

      Its main purpose it to undo things done in GtkDropTargetAsync::drag-enter.

    • upcall

      default void upcall(MemorySegment sourceDropTargetAsync, MemorySegment drop)
      The upcall method is called from native code. The parameters are marshaled and run(Drop) is executed.
    • toCallback

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