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5b76e0f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | from textual.app import App, ComposeResult
from textual.containers import Container
from textual.widgets import Button, Header, Footer, Static
class TimeDisplay(Static):
"""A widget to display elapsed time."""
class Stopwatch(Static):
"""A stopwatch widget."""
def compose(self) -> ComposeResult:
"""Create child widgets of a stopwatch."""
yield Button("Start", id="start", variant="success")
yield Button("Stop", id="stop", variant="error")
yield Button("Reset", id="reset")
yield TimeDisplay("00:00:00.00")
class StopwatchApp(App):
"""A Textual app to manage stopwatches."""
CSS_PATH = "stopwatch03.css"
BINDINGS = [("d", "toggle_dark", "Toggle dark mode")]
def compose(self) -> ComposeResult:
"""Create child widgets for the app."""
yield Header()
yield Footer()
yield Container(Stopwatch(), Stopwatch(), Stopwatch())
def action_toggle_dark(self) -> None:
"""An action to toggle dark mode."""
self.dark = not self.dark
if __name__ == "__main__":
app = StopwatchApp()
app.run()
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