Package org.gnome.gtk

Interface ScaleFormatValueFunc

All Superinterfaces:

FunctionPointer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
@Generated("io.github.jwharm.JavaGI")
public interface ScaleFormatValueFunc
extends FunctionPointer

Functional interface declaration of the ScaleFormatValueFunc callback.

See Also:

• run(org.gnome.gtk.Scale, double)

Method Summary

Modifier and Type	Method	Description
String	run(Scale scale, double value)	Function that formats the value of a scale.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, double, java.lang.foreign.MemorySegment) method.
default MemorySegment	upcall(MemorySegment scale, double value, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

String run(Scale scale,
 double value)

Function that formats the value of a scale.

See Scale.setFormatValueFunc(org.gnome.gtk.ScaleFormatValueFunc).

upcall

default MemorySegment upcall(MemorySegment scale,
 double value,
 MemorySegment userData)

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

toCallback

default MemorySegment toCallback(Arena arena)

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