repaired scroll view

examples/new.py

@@ -1,25 +0,0 @@
-from textual import events
-from textual.app import App
-from textual.views import DockView
-from textual.widgets import Header, Help, Footer, Placeholder, MarkdownViewer
-
-
-class MyApp(App):
-    async def on_load(self, event: events.Load) -> None:
-        await self.bind("q, ctrl+c", "quit")
-        await self.bind("b", "view.toggle('sidebar')", "Toggle Sidebar")
-        await self.bind("h", "view.help")
-
-    async def on_startup(self, event: events.Startup) -> None:
-        view = await self.push_view(DockView())
-        await view.dock(Header(), edge="top")
-        await view.dock(Footer("q", "b", "h"), edge="bottom")
-        await view.dock(Placeholder(), edge="left")
-        await view.dock(MarkdownViewer("readme.md"))
-
-    async def action_help(self) -> None:
-        await self.push_view(Help())
-
-
-app = MyApp(title="Simple Textual App")
-app.run()

examples/simple.py

@@ -2,23 +2,37 @@ from rich.markdown import Markdown
 
 from textual import events
 from textual.app import App
-from textual.widgets.header import Header
-from textual.widgets.placeholder import Placeholder
-from textual.widgets.scroll_view import ScrollView
-
-with open("richreadme.md", "rt") as fh:
-    readme = Markdown(fh.read(), hyperlinks=True, code_theme="fruity")
+from textual.view import DockView
+from textual.widgets import Header, Footer, Placeholder, ScrollView
 
 
 class MyApp(App):
+    """An example of a very simple Textual App"""
 
-    KEYS = {"q": "quit", "ctrl+c": "quit", "b": "view.toggle('left')"}
+    async def on_load(self, event: events.Load) -> None:
+        await self.bind("q,ctrl+c", "quit")
+        await self.bind("b", "view.toggle('sidebar')")
 
     async def on_startup(self, event: events.Startup) -> None:
-        await self.view.mount_all(
-            header=Header(self.title), left=Placeholder(), body=ScrollView(readme)
-        )
+        view = await self.push_view(DockView())
+        header = Header(self.title)
+        footer = Footer()
+        sidebar = Placeholder(name="sidebar")
+
+        with open("richreadme.md", "rt") as fh:
+            readme = Markdown(fh.read(), hyperlinks=True)
+
+        body = ScrollView(readme)
+
+        footer.add_key("b", "Toggle sidebar")
+        footer.add_key("q", "Quit")
+
+        await view.dock(header, edge="top")
+        await view.dock(footer, edge="bottom")
+        await view.dock(sidebar, edge="left", size=30)
+        await view.dock(body, edge="right")
+        self.require_layout()
 
 
-app = MyApp()
+app = MyApp(title="Simple App")
 app.run()