Package org.gnome.gtk

Interface Notebook.ChangeCurrentPageCallback

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.ChangeCurrentPageCallback
extends FunctionPointer

Functional interface declaration of the ChangeCurrentPageCallback callback.

See Also:

• run(int)

Method Summary

Modifier and Type	Method	Description
boolean	run(int page)	Emitted when the current page should be changed.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int) method.
default int	upcall(MemorySegment sourceNotebook, int page)	The upcall method is called from native code.

Method Details

run

boolean run(int page)

Emitted when the current page should be changed.

The default bindings for this signal are Ctrl+Alt+PgUp, Ctrl+Alt+PgDn, Ctrl+PgUp and Ctrl+PgDn.

upcall

default int upcall(MemorySegment sourceNotebook,
 int page)

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(java.lang.foreign.MemorySegment, int) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer