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from textual.app import App, ComposeResult
from textual.color import Color
from textual.widgets import Footer, Static
class Bar(Static):
pass
class BindingApp(App):
CSS_PATH = "binding01.tcss"
BINDINGS = [
("r", "add_bar('red')", "Add Red"),
("g", "add_bar('green')", "Add Green"),
("b", "add_bar('blue')", "Add Blue"),
]
def compose(self) -> ComposeResult:
yield Footer()
def action_add_bar(self, color: str) -> None:
bar = Bar(color)
bar.styles.background = Color.parse(color).with_alpha(0.5)
self.mount(bar)
self.call_after_refresh(self.screen.scroll_end, animate=False)
if __name__ == "__main__":
app = BindingApp()
app.run()
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