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from textual._easing import DEFAULT_EASING, EASING
from textual.app import App, ComposeResult
from textual.widgets import Static
ease = EASING[DEFAULT_EASING]
class AnimationApp(App):
def compose(self) -> ComposeResult:
self.box = Static("Hello, World!")
self.box.styles.background = "red"
self.box.styles.color = "black"
self.box.styles.padding = (1, 2)
yield self.box
def key_1(self):
self.box.styles.opacity = 1 - ease(0.25)
def key_2(self):
self.box.styles.opacity = 1 - ease(0.5)
def key_3(self):
self.box.styles.opacity = 1 - ease(0.75)
if __name__ == "__main__":
app = AnimationApp()
app.run()
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