Interface Notebook.PageRemovedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

Notebook

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 Notebook.PageRemovedCallback
extends FunctionPointer

Functional interface declaration of the PageRemovedCallback callback.

See Also:

• run(Widget, int)

Method Summary

Modifier and Type	Method	Description
void	run(@Nullable Widget child, int pageNum)	the ::page-removed signal is emitted in the notebook right after a page is removed from the notebook.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(MemorySegment, MemorySegment, int) method.
default void	upcall(MemorySegment sourceNotebook, MemorySegment child, int pageNum)	The upcall method is called from native code.

Method Details

run

void run(@Nullable Widget child,
 int pageNum)

the ::page-removed signal is emitted in the notebook right after a page is removed from the notebook.

upcall

default void upcall(MemorySegment sourceNotebook,
 MemorySegment child,
 int pageNum)

The upcall method is called from native code. The parameters are marshaled and run(Widget, int) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(MemorySegment, 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