Package org.gnome.gtk

Interface SignalListItemFactory.BindCallback

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.BindCallback
extends FunctionPointer

Functional interface declaration of the BindCallback callback.

See Also:

• run(org.gnome.gobject.GObject)

Method Summary

Modifier and Type	Method	Description
void	run(@Nullable GObject object)	Emitted when an object has been bound to an item.
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 has been bound to an item.

The handler for this signal must set to populate the listitem with widgets.

After this signal was emitted, the object might be shown in a ListView or other widget.

The Gtk.SignalListItemFactory::unbind signal is the opposite of this signal and can be used to undo everything done in this 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