app work

src/layout/painter.rs

@@ -44,6 +44,7 @@ pub struct WidgetInstance {
     pub resize: Option<(Id, UiVec2)>,
     pub mask: MaskIdx,
     pub layer: usize,
+    pub desired_size: UiVec2,
 }
 
 #[derive(Default)]
@@ -178,6 +179,17 @@ 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: painter.ctx.px_dependent,
+            id: painter.id,
+            region: UiRegion::full(),
+        }
+        .size_raw(id);
 
         let sized_children = painter.sized_children;
 
@@ -191,6 +203,7 @@ impl<'a> PainterCtx<'a> {
             children: painter.children,
             resize,
             mask: painter.mask,
+            desired_size,
             layer,
         };
         for (cid, size) in sized_children {
@@ -394,6 +407,9 @@ impl SizeCtx<'_> {
         // }
         self.size_inner(id.id, self.region)
     }
+    fn size_raw(&mut self, id: Id) -> UiVec2 {
+        self.size_inner(id, self.region)
+    }
     pub fn size_within<W>(&mut self, id: &WidgetId<W>, region: UiRegion) -> UiVec2 {
         self.size_inner(id.id, region.within(&self.region))
     }