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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
from textual import events
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from textual.app import App
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from textual.reactive import Reactive
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from textual.widgets import Footer, Placeholder
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class SmoothApp(App):
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"""Demonstrates smooth animation"""
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async def on_load(self, event: events.Load) -> None:
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"""Bing keys here."""
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await self.bind("b", "toggle_sidebar", "Toggle sidebar")
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await self.bind("q", "quit", "Quit")
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show_bar: Reactive[bool] = Reactive(False)
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async def watch_show_bar(self, show_bar: bool) -> None:
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"""Called when show_bar changes."""
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self.bar.animate("layout_offset_x", 0 if show_bar else -40)
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async def action_toggle_sidebar(self) -> None:
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"""Called when user hits b key."""
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self.show_bar = not self.show_bar
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async def on_mount(self, event: events.Mount) -> None:
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"""Build layout here."""
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footer = Footer()
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self.bar = Placeholder(name="left")
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await self.view.dock(footer, edge="bottom")
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await self.view.dock(Placeholder(), Placeholder(), edge="top")
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await self.view.dock(self.bar, edge="left", size=40, z=1)
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self.bar.layout_offset_x = -40
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SmoothApp.run(log="textual.log")
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