Package org.gnome.gdk

Interface Display.OpenedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

Display

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 Display.OpenedCallback
extends FunctionPointer

Functional interface declaration of the OpenedCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	Emitted when the connection to the windowing system for display is opened.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceDisplay)	The upcall method is called from native code.

Method Details

run

void run()

Emitted when the connection to the windowing system for display is opened.

upcall

default void upcall(MemorySegment sourceDisplay)

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 arena in which the function pointer is allocated

Returns:

the native function pointer