ws

examples/simple.py

@@ -1,6 +1,5 @@
 from rich.markdown import Markdown
 
-from textual import events
 from textual.app import App
 from textual.widgets import Header, Footer, Placeholder, ScrollView
 
@@ -8,24 +7,38 @@ from textual.widgets import Header, Footer, Placeholder, ScrollView
 class MyApp(App):
     """An example of a very simple Textual App"""
 
-    async def on_load(self, event: events.Load) -> None:
+    stylesheet = """
+
+    App > View {
+        layout: dock
+    }
+
+    #body {
+        padding: 1
+    }
+
+    #sidebar {
+        edge left
+        size: 40
+    }
+
+    """
+
+    async def on_load(self) -> None:
         """Bind keys with the app loads (but before entering application mode)"""
         await self.bind("b", "view.toggle('sidebar')", "Toggle sidebar")
         await self.bind("q", "quit", "Quit")
 
-    async def on_mount(self, event: events.Mount) -> None:
+    async def on_mount(self) -> None:
         """Create and dock the widgets."""
 
-        # A scrollview to contain the markdown file
-        body = ScrollView(gutter=1)
-
-        # Header / footer / dock
-        await self.view.dock(Header(), edge="top")
-        await self.view.dock(Footer(), edge="bottom")
-        await self.view.dock(Placeholder(), edge="left", size=30, name="sidebar")
-
-        # Dock the body in the remaining space
-        await self.view.dock(body, edge="right")
+        body = ScrollView()
+        await self.view.mount(
+            Header(),
+            Footer(),
+            body=body,
+            sidebar=Placeholder(),
+        )
 
         async def get_markdown(filename: str) -> None:
             with open(filename, "rt") as fh:
@@ -35,4 +48,4 @@ class MyApp(App):
         await self.call_later(get_markdown, "richreadme.md")
 
 
-MyApp.run(title="Simple App", log="textual.log", css_file="theme.css")
+MyApp.run(title="Simple App", log="textual.log")