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https://github.com/Textualize/textual.git
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39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
from rich.markdown import Markdown
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from textual import events
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from textual.app import App
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from textual.widgets import Header, Footer, Placeholder, ScrollView
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class MyApp(App):
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"""An example of a very simple Textual App"""
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async def on_load(self, event: events.Load) -> None:
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"""Bind keys with the app loads (but before entering application mode)"""
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await self.bind("b", "view.toggle('sidebar')", "Toggle sidebar")
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await self.bind("q", "quit", "Quit")
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async def on_mount(self, event: events.Mount) -> None:
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"""Create and dock the widgets."""
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# A scrollview to contain the markdown file
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body = ScrollView(gutter=1)
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# Header / footer / dock
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await self.view.dock(Header(), edge="top")
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await self.view.dock(Footer(), edge="bottom")
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await self.view.dock(Placeholder(), edge="left", size=30, name="sidebar")
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# Dock the body in the remaining space
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await self.view.dock(body, edge="right")
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async def get_markdown(filename: str) -> None:
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with open(filename, "rt") as fh:
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readme = Markdown(fh.read(), hyperlinks=True)
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await body.update(readme)
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await self.call_later(get_markdown, "richreadme.md")
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MyApp.run(title="Simple App", log="textual.log", css_file="theme.css")
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