Package org.gnome.gtk

Interface Notebook.CreateWindowCallback

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.CreateWindowCallback
extends FunctionPointer

Functional interface declaration of the CreateWindowCallback callback.

See Also:

• run(org.gnome.gtk.Widget)

Method Summary

Modifier and Type	Method	Description
Notebook	run(@Nullable Widget page)	The ::create-window signal is emitted when a detachable tab is dropped on the root window.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default MemorySegment	upcall(MemorySegment sourceNotebook, MemorySegment page)	The upcall method is called from native code.

Method Details

run

Notebook run(@Nullable Widget page)

The ::create-window signal is emitted when a detachable tab is dropped on the root window.

A handler for this signal can create a window containing a notebook where the tab will be attached. It is also responsible for moving/resizing the window and adding the necessary properties to the notebook (e.g. the GtkNotebook:group-name ).

upcall

default MemorySegment upcall(MemorySegment sourceNotebook,
 MemorySegment page)

The upcall method is called from native code. The parameters are marshaled and run(org.gnome.gtk.Widget) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer