fixes for layout

sandbox/nest.py

@@ -0,0 +1,38 @@
+from textual.app import App, ComposeResult
+from textual.widget import Widget
+from textual import layout
+
+
+from rich.text import Text
+
+
+lorem = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
+
+TEXT = Text.from_markup(lorem)
+
+
+class TextWidget(Widget):
+    def render(self, style):
+        return TEXT
+
+
+class AutoApp(App):
+    def on_mount(self) -> None:
+        self.bind("t", "tree")
+
+    def compose(self) -> ComposeResult:
+        yield layout.Vertical(
+            Widget(
+                TextWidget(classes="test"),
+                id="container",
+            ),
+        )
+
+    def action_tree(self):
+        self.log(self.screen.tree)
+
+
+app = AutoApp(css_path="nest.css")
+
+if __name__ == "__main__":
+    app.run()