Interface Sidebar.SetupMenuCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
Sidebar
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 Sidebar.SetupMenuCallback extends FunctionPointer

Functional interface declaration of the SetupMenuCallback callback.

Since:
1.9
See Also:

  • Method Details

    • run

      void run(@Nullable SidebarItem item)

      Emitted when a context menu is opened or closed for item.

      If the menu has been closed, item will be set to NULL.

      It can be used to set up menu actions before showing the menu, for example disable actions not applicable to item.

    • upcall

      default void upcall(MemorySegment sourceSidebar, MemorySegment item)
      The upcall method is called from native code. The parameters are marshaled and run(SidebarItem) is executed.

    • toCallback

      default MemorySegment toCallback(Arena arena)
      Creates a native function pointer to the upcall(MemorySegment, MemorySegment) method.
      Specified by:
      toCallback in interface FunctionPointer
      Parameters:
      arena - the arena in which the function pointer is allocated
      Returns:
      the native function pointer