wip: refactor(output): simplify layout traits

tui/src/lib.rs

@@ -1,5 +1,13 @@
 #![feature(type_changing_struct_update, trait_alias)]
-pub use ::{tengri_input, tengri_output, ratatui, crossterm, palette, better_panic};
+pub use ::{
+    dizzle,
+    tengri_input,
+    tengri_output,
+    ratatui,
+    crossterm,
+    palette,
+    better_panic,
+};
 pub(crate) use ::{
     dizzle::*,
     tengri_input::*,
@@ -23,13 +31,23 @@ pub(crate) use ::{
 };
 mod tui_engine;  pub use self::tui_engine::*;
 mod tui_content; pub use self::tui_content::*;
+#[macro_export] macro_rules! tui_main {
+    ($expr:expr) => {
+        fn main () -> Usually<()> {
+            let state = Arc::new(RwLock::new($expr));
+            tengri_tui::Tui::new().unwrap().run(&state)?;
+            Ok(())
+        }
+    };
+}
+
 #[cfg(test)] mod tui_test {
     use crate::*;
     #[test] fn test_tui_engine () -> Usually<()> {
         //use std::sync::{Arc, RwLock};
         struct TestComponent(String);
-        impl Content<TuiOut> for TestComponent {
-            fn content (&self) -> impl Draw<TuiOut> {
+        impl HasContent<TuiOut> for TestComponent {
+            fn content (&self) -> impl Content<TuiOut> {
                 Some(self.0.as_str())
             }
         }