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Build a Textual TUI App Skeleton in Python

Create a minimal Textual terminal UI app with a header, label, button, and footer, ready for interactive mock demonstrations.

textual tui terminal

Python

from textual.app import App, ComposeResult
from textual.widgets import Header, Footer, Button, Label

class MockApp(App):
    """A minimal Textual TUI app skeleton."""

    BINDINGS = [("q", "quit", "Quit")]

    def compose(self) -> ComposeResult:
        """Create child widgets."""
        yield Header()
        yie…

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