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from textual.app import App, ComposeResult
from textual.widgets import Footer, Label, Markdown, TabbedContent, TabPane
LETO = """
# Duke Leto I Atreides
Head of House Atreides.
"""
JESSICA = """
# Lady Jessica
Bene Gesserit and concubine of Leto, and mother of Paul and Alia.
"""
PAUL = """
# Paul Atreides
Son of Leto and Jessica.
"""
class TabbedApp(App):
"""An example of tabbed content."""
BINDINGS = [
("l", "show_tab('leto')", "Leto"),
("j", "show_tab('jessica')", "Jessica"),
("p", "show_tab('paul')", "Paul"),
]
def compose(self) -> ComposeResult:
"""Compose app with tabbed content."""
# Footer to show keys
yield Footer()
# Add the TabbedContent widget
with TabbedContent(initial="jessica"):
with TabPane("Leto", id="leto"): # First tab
yield Markdown(LETO) # Tab content
with TabPane("Jessica", id="jessica"):
yield Markdown(JESSICA)
with TabbedContent("Paul", "Alia"):
yield TabPane("Paul", Label("First child"))
yield TabPane("Alia", Label("Second child"))
with TabPane("Paul", id="paul"):
yield Markdown(PAUL)
def action_show_tab(self, tab: str) -> None:
"""Switch to a new tab."""
self.get_child_by_type(TabbedContent).active = tab
if __name__ == "__main__":
app = TabbedApp()
app.run()
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