File size: 991 Bytes
5b76e0f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | from textual.app import App, ComposeResult
from textual.containers import Horizontal
from textual.reactive import reactive
from textual.widgets import Button, TextLog
class ValidateApp(App):
CSS_PATH = "validate01.css"
count = reactive(0)
def validate_count(self, count: int) -> int:
"""Validate value."""
if count < 0:
count = 0
elif count > 10:
count = 10
return count
def compose(self) -> ComposeResult:
yield Horizontal(
Button("+1", id="plus", variant="success"),
Button("-1", id="minus", variant="error"),
id="buttons",
)
yield TextLog(highlight=True)
def on_button_pressed(self, event: Button.Pressed) -> None:
if event.button.id == "plus":
self.count += 1
else:
self.count -= 1
self.query_one(TextLog).write(f"{self.count=}")
if __name__ == "__main__":
app = ValidateApp()
app.run()
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