Package org.gnome.gdk

Interface Display.ClosedCallback

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.ClosedCallback
extends FunctionPointer

Functional interface declaration of the ClosedCallback callback.

See Also:

• run(boolean)

Method Summary

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

Method Details

run

void run(boolean isError)

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

upcall

default void upcall(MemorySegment sourceDisplay,
 int isError)

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

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer