mirror of
https://github.com/Textualize/textual.git
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83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
from rich.align import Align
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from rich.console import Console, ConsoleOptions, RenderResult
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from rich.padding import Padding
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from rich.text import Text
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from textual.app import App
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from textual import events
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from textual.view import View
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from textual.widgets import Button, Static
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from textual.layouts.grid import GridLayout
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try:
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from pyfiglet import Figlet
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except ImportError:
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print("Please install pyfiglet to run this example")
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font = Figlet(font="small")
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class FigletText:
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def __init__(self, text: str) -> None:
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self.text = text
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def __rich_console__(
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self, console: Console, options: ConsoleOptions
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) -> RenderResult:
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size = min(options.max_width / 2, options.max_height)
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text = self.text
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if size <= 4:
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yield Text(text, style="bold")
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return
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if size < 6:
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font_name = "mini"
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elif size < 8:
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font_name = "small"
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elif size < 10:
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font_name = "standard"
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else:
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font_name = "big"
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font = Figlet(font=font_name)
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yield Text(font.renderText(text).rstrip("\n"), style="bold")
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class CalculatorApp(App):
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async def on_load(self, event: events.Load) -> None:
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await self.bind("q,ctrl+c", "quit", "Quit")
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async def on_startup(self, event: events.Startup) -> None:
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layout = GridLayout(gap=(2, 1), gutter=1, align=("center", "center"))
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await self.push_view(View(layout=layout))
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layout.add_column("col", max_size=30, repeat=4)
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layout.add_row("numbers")
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layout.add_row("row", max_size=15, repeat=5)
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layout.add_areas(
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numbers="col1-start|col4-end,numbers", zero="col1-start|col2-end,row5"
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)
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def make_button(text: str) -> Button:
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return Button(FigletText(text), style="white on rgb(51,51,51)")
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buttons = {
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name: make_button(name)
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for name in "AC,+/-,%,/,7,8,9,X,4,5,6,-,1,2,3,+,.,=".split(",")
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}
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for name in ("AC", "+/-", "%"):
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buttons[name].style = "black on rgb(165,165,165)"
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for name in "/X-+=":
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buttons[name].style = "white on rgb(255,159,7)"
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numbers = Align.right(FigletText("0"), vertical="middle")
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layout.place(
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*buttons.values(),
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numbers=Static(Padding(numbers, (0, 1), style="white on rgb(51,51,51)")),
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zero=make_button("0"),
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)
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CalculatorApp.run(title="Calculator Test")
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