Package org.gnome.gtk

Interface MenuButtonCreatePopupFunc

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 MenuButtonCreatePopupFunc
extends FunctionPointer

Functional interface declaration of the MenuButtonCreatePopupFunc callback.

See Also:

• run(org.gnome.gtk.MenuButton)

Method Summary

Modifier and Type	Method	Description
void	run(MenuButton menuButton)	User-provided callback function to create a popup for a GtkMenuButton on demand.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment menuButton, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

void run(MenuButton menuButton)

User-provided callback function to create a popup for a GtkMenuButton on demand.

This function is called when the popup of menuButton is shown, but none has been provided via MenuButton.setPopover(org.gnome.gtk.Widget) or MenuButton.setMenuModel(org.gnome.gio.MenuModel).

upcall

default void upcall(MemorySegment menuButton,
 MemorySegment userData)

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

toCallback

default MemorySegment toCallback(Arena arena)

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