Package org.gnome.gtk

Interface Widget.StateFlagsChangedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

Widget

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 Widget.StateFlagsChangedCallback
extends FunctionPointer

Functional interface declaration of the StateFlagsChangedCallback callback.

See Also:

• run(java.util.Set<org.gnome.gtk.StateFlags>)

Method Summary

Modifier and Type	Method	Description
void	run(Set<StateFlags> flags)	Emitted when the widget state changes.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int) method.
default void	upcall(MemorySegment sourceWidget, int flags)	The upcall method is called from native code.

Method Details

run

void run(Set<StateFlags> flags)

Emitted when the widget state changes.

See Widget.getStateFlags().

upcall

default void upcall(MemorySegment sourceWidget,
 int flags)

The upcall method is called from native code. The parameters are marshaled and run(java.util.Set<org.gnome.gtk.StateFlags>) 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 arena in which the function pointer is allocated

Returns:

the native function pointer