from textual.app import App, ComposeResult
from textual.widgets import Label
from textual.containers import Center
from textual.events import Key

class HelloApp(App):
    """Une application Textual simple."""

    def compose(self) -> ComposeResult:
        # Définir les widgets de l'application
        yield Center(Label("Hello, World!"))

    def on_key(self, event: Key) -> None:
        # Quitter l'application si on appuie sur 'q'
        if event.key == "q":
            self.exit()

if __name__ == "__main__":
    app = HelloApp()
    app.run()