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from textual.app import App, ComposeResult
from textual.color import Color
from textual.message import Message
from textual.widgets import Static
class ColorButton(Static):
"""A color button."""
class Selected(Message):
"""Color selected message."""
def __init__(self, color: Color) -> None:
self.color = color
super().__init__()
def __init__(self, color: Color) -> None:
self.color = color
super().__init__()
def on_mount(self) -> None:
self.styles.margin = (1, 2)
self.styles.content_align = ("center", "middle")
self.styles.background = Color.parse("#ffffff33")
self.styles.border = ("tall", self.color)
def on_click(self) -> None:
# The post_message method sends an event to be handled in the DOM
self.post_message(self.Selected(self.color))
def render(self) -> str:
return str(self.color)
class ColorApp(App):
def compose(self) -> ComposeResult:
yield ColorButton(Color.parse("#008080"))
yield ColorButton(Color.parse("#808000"))
yield ColorButton(Color.parse("#E9967A"))
yield ColorButton(Color.parse("#121212"))
def on_color_button_selected(self, message: ColorButton.Selected) -> None:
self.screen.styles.animate("background", message.color, duration=0.5)
if __name__ == "__main__":
app = ColorApp()
app.run()
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