mirror of
https://github.com/Textualize/textual.git
synced 2025-10-17 02:38:12 +03:00
70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
from __future__ import annotations
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from pathlib import Path
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from textual.app import App
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from textual.widget import Widget
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from textual.widgets.text_input import TextInput, TextWidgetBase, TextArea
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def celsius_to_fahrenheit(celsius: float) -> float:
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return celsius * 1.8 + 32
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def fahrenheit_to_celsius(fahrenheit: float) -> float:
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return (fahrenheit - 32) / 1.8
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words = set(Path("/usr/share/dict/words").read_text().splitlines())
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def word_autocompleter(value: str) -> str | None:
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# An example autocompleter that uses the Unix dictionary to suggest
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# word completions
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for word in words:
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if word.startswith(value):
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return word
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return None
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class InputApp(App[str]):
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def on_mount(self) -> None:
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self.fahrenheit = TextInput(placeholder="Fahrenheit", id="fahrenheit")
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self.celsius = TextInput(placeholder="Celsius", id="celsius")
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self.fahrenheit.focus()
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text_boxes = Widget(self.fahrenheit, self.celsius)
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self.mount(inputs=text_boxes)
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self.mount(spacer=Widget())
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self.mount(
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top_search=Widget(
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TextInput(autocompleter=word_autocompleter, id="topsearchbox")
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)
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)
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self.mount(
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footer=TextInput(
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placeholder="Footer Search Bar", autocompleter=word_autocompleter
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)
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)
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self.mount(text_area=TextArea())
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def on_text_widget_base_changed(self, event: TextWidgetBase.Changed) -> None:
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try:
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value = float(event.value)
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except ValueError:
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return
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if event.sender == self.celsius:
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fahrenheit = celsius_to_fahrenheit(value)
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self.fahrenheit.value = f"{fahrenheit:.1f}"
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elif event.sender == self.fahrenheit:
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celsius = fahrenheit_to_celsius(value)
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self.celsius.value = f"{celsius:.1f}"
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app = InputApp(
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log_path="textual.log", css_path="input.scss", watch_css=True, log_verbosity=2
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)
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if __name__ == "__main__":
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result = app.run()
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