Package org.gnome.gtk

Interface SignalListItemFactory.TeardownCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

SignalListItemFactory

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 SignalListItemFactory.TeardownCallback
extends FunctionPointer

Functional interface declaration of the TeardownCallback callback.

See Also:

• run(org.gnome.gobject.GObject)

Method Summary

Modifier and Type	Method	Description
void	run(@Nullable GObject object)	Emitted when an object is about to be destroyed.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceSignalListItemFactory, MemorySegment object)	The upcall method is called from native code.

Method Details

run

void run(@Nullable GObject object)

Emitted when an object is about to be destroyed.

It is the last signal ever emitted for this object.

This signal is the opposite of the Gtk.SignalListItemFactory::setup signal and should be used to undo everything done in that signal.

upcall

default void upcall(MemorySegment sourceSignalListItemFactory,
 MemorySegment object)

The upcall method is called from native code. The parameters are marshaled and run(org.gnome.gobject.GObject) 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