Package org.gnome.gtk

Interface EventControllerMotion.EnterCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

EventControllerMotion

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 EventControllerMotion.EnterCallback
extends FunctionPointer

Functional interface declaration of the EnterCallback callback.

See Also:

• run(double, double)

Method Summary

Modifier and Type	Method	Description
void	run(double x, double y)	Signals that the pointer has entered the widget.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, double, double) method.
default void	upcall(MemorySegment sourceEventControllerMotion, double x, double y)	The upcall method is called from native code.

Method Details

run

void run(double x,
 double y)

Signals that the pointer has entered the widget.

upcall

default void upcall(MemorySegment sourceEventControllerMotion,
 double x,
 double y)

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

toCallback

default MemorySegment toCallback(Arena arena)

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

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer