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Teste.py
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Teste.py
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import flet
from flet import (
Page,
Container,
Text,
ElevatedButton,
Row,
alignment,
colors,
icons,
Column,
Card
)
def main(page : Page):
page.title = "Calculadora com flet"
page.vertical_alignment = page.horizontal_alignment = "center"
page.theme_mode = "dark"
values = []
operador = ['p']
result = [0]
def entrada(e):
result[0] = 0
if e.data in numeros:
values.append(e.data)
Display.content.value = ''.join(values)
elif e.data == "C":
Display.content.value = '0'
values.clear()
elif e.data == "Del":
values.pop()
Display.content.value = ''.join(values)
elif e.data in operadores:
operador[0] = e.data
if values:
if values[-1] not in operadores:
values.append(e.data)
else:
values[-1] = operador
Display.content.value = ''.join(values)
elif e.data == "=":
result[0] = calcular(values, operador[0])
values.clear()
Display.content.value = result[0]
elif e.data == ".":
values.append(e.data)
values[:values.index(".")]
elif e.data == "( )":
pass
if len(values) == 0:
values.append('(')
elif len(values) > 1 and values[-1].isdigit() or values[-1] == '(':
values.append(')')
else:
values.append('(')
Display.content.value = "".join(values)
page.update()
def calcular(values, operador):
indexsOperadores = []
if operador == 'p':
return ''.join(values)
limiter = values.index(operador)
term1 = float(''.join(str(v) for v in values[:limiter]))
term2 = float(''.join(str(v) for v in values[limiter+1:]))
if operador == 'x':
result = term1*term2
elif operador == '/':
result = term1/term2
elif operador == '+':
result = term1+term2
elif operador == '-':
result = term1-term2
elif operador == '%':
result = (term1/100)*term2
return str(result)
# Componentes:
numeros = ['1', '2', '3', '4', '5', '6', '7', '8', '9', '0']
operadores = ["+", "-", "/", "x", "%"]
caracteres = ["(", ")", "."]
buttons = ["=", "del"]
linhas = [
["C", "( )", "%","/"],
[7, 8, 9, "x"],
[4, 5, 6, "-"],
[1, 2, 3, "+"],
[".", 0, "Del", "="]
]
# Display
Display = Container(
padding = 10,
alignment = alignment.center,
bgcolor = colors.PRIMARY,
width = 450,
height = 200,
border_radius = 10,
content = Text("0", size=35)
)
# botoes
botoes = [Row(spacing=25), Row(spacing=25), Row(spacing=25), Row(spacing=25), Row(spacing=25)]
for i, linha in enumerate(linhas):
for char in linha:
botoes[i].controls.append(ElevatedButton(text=str(char), on_click=entrada, data=char, expand=1))
page.add(
Card(
content=Container(
content=Column([
Display,
*botoes]),
margin = 10,
padding = 20,
alignment = alignment.center,
bgcolor = colors.BLACK87,
width = 400,
border_radius = 10,
),
scale=1.5
)
)
page.update()
# try:
# flet.app(port=53167, target=main, view=flet.WEB_BROWSER)
# except:
# flet.app(port=53167, target=main, view=flet.WEB_BROWSER)
print(eval('9((10))'))