Package org.gnome.gdk

Interface Drag.CancelCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

Drag

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 Drag.CancelCallback
extends FunctionPointer

Functional interface declaration of the CancelCallback callback.

See Also:

• run(org.gnome.gdk.DragCancelReason)

Method Summary

Modifier and Type	Method	Description
void	run(DragCancelReason reason)	Emitted when the drag operation is cancelled.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int) method.
default void	upcall(MemorySegment sourceDrag, int reason)	The upcall method is called from native code.

Method Details

run

void run(DragCancelReason reason)

Emitted when the drag operation is cancelled.

upcall

default void upcall(MemorySegment sourceDrag,
 int reason)

The upcall method is called from native code. The parameters are marshaled and run(org.gnome.gdk.DragCancelReason) 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 function pointer will be allocated in this arena

Returns:

the native function pointer