Package org.gnome.gtk

Interface SignalListItemFactory.UnbindCallback

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.UnbindCallback
extends FunctionPointer

Functional interface declaration of the UnbindCallback callback.

See Also:

• run(org.gnome.gobject.GObject)

Method Summary

Modifier and Type	Method	Description
void	run(GObject object)	Emitted when an object has been unbound from its item, for example when a listitem was removed from use in a list widget and its Gtk.ListItem:item is about to be unset.
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(GObject object)

Emitted when an object has been unbound from its item, for example when a listitem was removed from use in a list widget and its Gtk.ListItem:item is about to be unset.

This signal is the opposite of the Gtk.SignalListItemFactory::bind 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 function pointer will be allocated in this arena

Returns:

the native function pointer