Package org.gnome.gtk

Interface PrintOperation.StatusChangedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

PrintOperation

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 PrintOperation.StatusChangedCallback
extends FunctionPointer

Functional interface declaration of the StatusChangedCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	Emitted at between the various phases of the print operation.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourcePrintOperation)	The upcall method is called from native code.

Method Details

run

void run()

Emitted at between the various phases of the print operation.

See Gtk.PrintStatus for the phases that are being discriminated. Use PrintOperation.getStatus() to find out the current status.

upcall

default void upcall(MemorySegment sourcePrintOperation)

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