Package org.gnome.gtk

Interface ComboBox.ChangedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

ComboBox

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 ComboBox.ChangedCallback
extends FunctionPointer

Functional interface declaration of the ChangedCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	Emitted when the active item is changed.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceComboBox)	The upcall method is called from native code.

Method Details

run

void run()

Emitted when the active item is changed.

The can be due to the user selecting a different item from the list, or due to a call to ComboBox.setActiveIter(org.gnome.gtk.TreeIter). It will also be emitted while typing into the entry of a combo box with an entry.

upcall

default void upcall(MemorySegment sourceComboBox)

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

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(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