Interface ListModel.ItemsChangedCallback

All Superinterfaces:

FunctionPointer

Enclosing interface:

ListModel<T extends GObject>

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 ListModel.ItemsChangedCallback
extends FunctionPointer

Functional interface declaration of the ItemsChangedCallback callback.

See Also:

• run(int, int, int)

Method Summary

Modifier and Type	Method	Description
void	run(int position, int removed, int added)	This signal is emitted whenever items were added to or removed from list. At position, removed items were removed and added items were added in their place.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(MemorySegment, int, int, int) method.
default void	upcall(MemorySegment sourceListModel, int position, int removed, int added)	The upcall method is called from native code.

Method Details

run

void run(int position,
 int removed,
 int added)

This signal is emitted whenever items were added to or removed from list. At position, removed items were removed and added items were added in their place.

Note: If removed != added, the positions of all later items in the model change.

Since:

2.44

upcall

default void upcall(MemorySegment sourceListModel,
 int position,
 int removed,
 int added)

The upcall method is called from native code. The parameters are marshaled and run(int, int, int) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(MemorySegment, int, int, int) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer