diff --git a/crates/app/src/view.rs b/crates/app/src/view.rs
index a358f023..5e4f3d3d 100644
--- a/crates/app/src/view.rs
+++ b/crates/app/src/view.rs
@@ -2,6 +2,27 @@ use crate::*;
 pub(crate) use std::fmt::Write;
 pub(crate) use ::tengri::tui::ratatui::prelude::Position;
 
+impl App {
+    pub fn view (&self) -> impl Content<TuiOut> + '_ {
+        let view: Perhaps<RenderBox<TuiOut>> =
+            FromDsl::take_from(self, &mut self.config.view.clone());
+        self.size.of(lay! {
+            When(matches!(&view, Ok(None)), Fill::y(Bsp::s(
+                Fixed::y(1, "no view"),
+                Fill::y(format!("{:?}", &self.config.view)),
+            ))),
+            When(matches!(&view, Err(_)), Fill::y(Bsp::s(
+                Fixed::y(1, "view error"),
+                Fill::y(Bsp::s(
+                    view.as_ref().err().map(|e|format!("{e}")),
+                    format!("{:?}", &self.config.view),
+                ))
+            ))),
+            When(matches!(&view, Ok(Some(_))), Fill::y(view)),
+        })
+    }
+}
+
 #[tengri_proc::view(TuiOut)]
 impl App {
     pub fn view_nil (&self) -> impl Content<TuiOut> + use<'_> {
diff --git a/deps/tengri b/deps/tengri
index 90f5699f..f08593f0 160000
--- a/deps/tengri
+++ b/deps/tengri
@@ -1 +1 @@
-Subproject commit 90f5699fff48d2e8e0a24c36741a7d4ff771385d
+Subproject commit f08593f0f8c3dc03a734d922d2442848a4205ad6