Package org.gnome.gtk

Interface TickCallback

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 TickCallback
extends FunctionPointer

Functional interface declaration of the TickCallback callback.

See Also:

• run(org.gnome.gtk.Widget, org.gnome.gdk.FrameClock)

Method Summary

Modifier and Type	Method	Description
boolean	run(Widget widget, FrameClock frameClock)	Callback type for adding a function to update animations.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default int	upcall(MemorySegment widget, MemorySegment frameClock, MemorySegment userData)	The upcall method is called from native code.

Method Details

run

boolean run(Widget widget,
 FrameClock frameClock)

Callback type for adding a function to update animations. See gtk_widget_add_tick_callback().

upcall

default int upcall(MemorySegment widget,
 MemorySegment frameClock,
 MemorySegment userData)

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

toCallback

default MemorySegment toCallback(Arena arena)

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