fix awful desired size cache

src/layout/painter.rs

@@ -167,6 +167,18 @@ impl<'a> PainterCtx<'a> {
 
         self.draw_started.insert(id);
 
+        let desired_size = SizeCtx {
+            text: self.text,
+            textures: self.textures,
+            widgets: self.widgets,
+            checked: &mut Default::default(),
+            screen_size: self.screen_size,
+            px_dependent: &mut Default::default(),
+            id,
+            size: region.size(),
+        }
+        .size_raw(id);
+
         let mut painter = Painter {
             region,
             mask,
@@ -181,17 +193,6 @@ impl<'a> PainterCtx<'a> {
 
         // draw widgets
         painter.ctx.widgets.get_dyn_dynamic(id).draw(&mut painter);
-        let desired_size = SizeCtx {
-            text: painter.ctx.text,
-            textures: painter.ctx.textures,
-            widgets: painter.ctx.widgets,
-            checked: &mut Default::default(),
-            screen_size: painter.ctx.screen_size,
-            px_dependent: &mut Default::default(),
-            id: painter.id,
-            size: UiVec2::FULL_SIZE,
-        }
-        .size_raw(id);
 
         let sized_children = painter.sized_children;