Expander.ActivateCallback (java-gi API)

All Superinterfaces:: FunctionPointer

Enclosing class:: Expander

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 Expander.ActivateCallback extends FunctionPointer

Functional interface declaration of the ActivateCallback callback.

See Also:

Method Summary

Modifier and Type

Method

Description

void

run()

Activates the GtkExpander.

default MemorySegment

toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.

default void

upcall(MemorySegment sourceExpander)

The upcall method is called from native code.

Method Details
- run
  
  void run()
  
  Activates the GtkExpander.
- upcall
  
  default void upcall(MemorySegment sourceExpander)
  
  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