Package org.gnome.gtk

Interface ComboBox.PopdownCallback

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.PopdownCallback
extends FunctionPointer

Functional interface declaration of the PopdownCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
boolean	run()	Emitted to popdown the combo box list.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default int	upcall(MemorySegment sourceComboBox)	The upcall method is called from native code.

Method Details

run

boolean run()

Emitted to popdown the combo box list.

This is an keybinding signal.

The default bindings for this signal are Alt+Up and Escape.

upcall

default int 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