Make Iris layout dependencies explicit

src/widget/text/mod.rs

@@ -111,7 +111,7 @@ impl TextView {
         if self.is_blank()
             && let Some(hint) = &self.hint
         {
-            return painter.widget(hint);
+            return painter.widget(hint).size();
         }
         let region = tex.size.align(self.align);
         let within = region.within(&painter.region());
@@ -141,9 +141,10 @@ impl Text {
 }
 
 impl Widget for Text {
-    fn draw(&mut self, painter: &mut Painter) -> Size {
+    fn draw(&mut self, painter: &mut Painter) {
         self.update_buf();
-        self.view.draw(painter)
+        let size = self.view.draw(painter);
+        painter.set_size(size);
     }
 
     fn requires_exact_region(&self) -> bool {