spans now good (other than direction) + refactor

src/layout/widget.rs

@@ -3,7 +3,7 @@ use std::{
     marker::PhantomData,
 };
 
-use crate::{primitive::Painter, util::ID, UIBuilder};
+use crate::{Painter, util::ID, UIBuilder};
 
 pub trait Widget: 'static + Any {
     fn draw(&self, painter: &mut Painter);