Files
textual/examples/calculator.py
2021-07-10 17:36:23 +01:00

54 lines
1.5 KiB
Python

from rich.text import Text
from textual.app import App
from textual import events
from textual.view import View
from textual.widgets import Button, Placeholder
from textual.layouts.grid import GridLayout
try:
from pyfiglet import Figlet
except ImportError:
print("Please install pyfiglet to run this example")
font = Figlet(font="small")
class GridTest(App):
async def on_load(self, event: events.Load) -> None:
await self.bind("q,ctrl+c", "quit", "Quit")
async def on_startup(self, event: events.Startup) -> None:
layout = GridLayout(gap=1, gutter=1, align=("center", "center"))
await self.push_view(View(layout=layout))
layout.add_column("col", max_size=20, repeat=4)
layout.add_row("numbers", min_size=3, max_size=10)
layout.add_row("row", max_size=10, repeat=4)
layout.add_areas(
numbers="col1-start|col4-end,numbers",
zero="col1-start|col2-end,row4",
dot="col3,row4",
equals="col4,row4",
)
def make_button(text: str) -> Button:
label = Text(font.renderText(text).rstrip("\n"), style="bold")
return Button(label)
buttons = {
name: make_button(name)
for name in "AC,+/-,%,/,7,8,9,X,4,5,6,-,1,2,3,+,.,=".split(",")
}
layout.place(
*buttons.values(),
numbers=Placeholder(name="numbers"),
zero=make_button("0"),
)
GridTest.run(title="Calculator Test")