Package org.gnome.gtk

Interface ScaleButton.PopupCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

ScaleButton

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 ScaleButton.PopupCallback
extends FunctionPointer

Functional interface declaration of the PopupCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	Emitted to popup the scale widget.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceScaleButton)	The upcall method is called from native code.

Method Details

run

void run()

Emitted to popup the scale widget.

This is a keybinding signal.

The default bindings for this signal are Space, Enter and Return.

upcall

default void upcall(MemorySegment sourceScaleButton)

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 function pointer will be allocated in this arena

Returns:

the native function pointer