ws

examples/simple.py

@@ -9,16 +9,22 @@ class MyApp(App):
     """An example of a very simple Textual App"""
 
     async def on_load(self, event: events.Load) -> 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:
+        """Create and dock the widgets."""
 
+        # A scrollview to contain the markdown file
         body = ScrollView()
 
+        # 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")
 
         async def get_markdown(filename: str) -> None: