Package org.gnome.gtk

Interface AssistantPageFunc

All Superinterfaces:

FunctionPointer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
@Generated("io.github.jwharm.JavaGI")
public interface AssistantPageFunc
extends FunctionPointer

Functional interface declaration of the AssistantPageFunc callback.

See Also:

• run(int)

Method Summary

Modifier and Type	Method	Description
int	run(int currentPage)	Type of callback used to calculate the next page in a GtkAssistant.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(int, java.lang.foreign.MemorySegment) method.
default int	upcall(int currentPage, MemorySegment data)	The upcall method is called from native code.

Method Details

run

int run(int currentPage)

Type of callback used to calculate the next page in a GtkAssistant.

It’s called both for computing the next page when the user presses the “forward” button and for handling the behavior of the “last” button.

See Assistant.setForwardPageFunc(org.gnome.gtk.AssistantPageFunc).

upcall

default int upcall(int currentPage,
 MemorySegment data)

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

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(int, 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