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39 lines
991 B
Python
39 lines
991 B
Python
from textual.app import App, ComposeResult
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from textual.containers import Horizontal
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from textual.reactive import reactive
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from textual.widgets import Button, TextLog
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class ValidateApp(App):
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CSS_PATH = "validate01.css"
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count = reactive(0)
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def validate_count(self, count: int) -> int:
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"""Validate value."""
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if count < 0:
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count = 0
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elif count > 10:
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count = 10
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return count
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def compose(self) -> ComposeResult:
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yield Horizontal(
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Button("+1", id="plus", variant="success"),
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Button("-1", id="minus", variant="error"),
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id="buttons",
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)
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yield TextLog(highlight=True)
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def on_button_pressed(self, event: Button.Pressed) -> None:
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if event.button.id == "plus":
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self.count += 1
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else:
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self.count -= 1
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self.query_one(TextLog).write(f"{self.count=}")
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if __name__ == "__main__":
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app = ValidateApp()
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app.run()
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