Package org.gnome.gdk

Interface Surface.EnterMonitorCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

Surface

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 Surface.EnterMonitorCallback
extends FunctionPointer

Functional interface declaration of the EnterMonitorCallback callback.

See Also:

• run(org.gnome.gdk.Monitor)

Method Summary

Modifier and Type	Method	Description
void	run(Monitor monitor)	Emitted when surface starts being present on the monitor.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceSurface, MemorySegment monitor)	The upcall method is called from native code.

Method Details

run

void run(Monitor monitor)

Emitted when surface starts being present on the monitor.

upcall

default void upcall(MemorySegment sourceSurface,
 MemorySegment monitor)

The upcall method is called from native code. The parameters are marshaled and run(org.gnome.gdk.Monitor) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

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