Package org.gnome.gdk

Interface FrameClock.LayoutCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

FrameClock

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 FrameClock.LayoutCallback
extends FunctionPointer

Functional interface declaration of the LayoutCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	Emitted as the second step of toolkit and application processing of the frame.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceFrameClock)	The upcall method is called from native code.

Method Details

run

void run()

Emitted as the second step of toolkit and application processing of the frame.

Any work to update sizes and positions of application elements should be performed. GTK normally handles this internally.

upcall

default void upcall(MemorySegment sourceFrameClock)

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