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from textual.app import App, ComposeResult
from textual.reactive import reactive
from textual.widget import Widget
from textual.widgets import Input, Label
class Name(Widget):
"""Generates a greeting."""
who = reactive("name", recompose=True) # (1)!
def compose(self) -> ComposeResult: # (2)!
yield Label(f"Hello, {self.who}!")
class WatchApp(App):
CSS_PATH = "refresh02.tcss"
def compose(self) -> ComposeResult:
yield Input(placeholder="Enter your name")
yield Name()
def on_input_changed(self, event: Input.Changed) -> None:
self.query_one(Name).who = event.value
if __name__ == "__main__":
app = WatchApp()
app.run()
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