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gui.py
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from tkinter import Tk, Label, Frame, E, Button, X, mainloop, W
#from tkinter import
import mathforhuman as mh
from sys import platform
#GUI da calculadora
#Calculadora v2.0.0
class Gui():
def __init__(self):
#criando a janela, self.root recebe a classe Tk()
#definindo o título da janela, seu tamanho, background
self.root = Tk()
self.root.title("Calculadora v2.0.0")
#self.root.geometry("678x315+400+100") para windows
self.root.geometry("770x320" if platform == "linux" else "678x315+400+100")
self.root.resizable(0, 0)
self.root.config(bg="#19171A")
#self.root.iconbitmap("./files/favicon1.ico")
self.expressao = ""
self.ans = ""
self.root.bind("<Return>", self.resolver)
self.root.bind("<Key>", self.key_atribui)
self.mode_text = " "*5+"Deg"
def init(self):
#inicia o looping para o script seja executado
#executa as funções para criar os widgets
self.visor_design()
self.botoes_num()
self.botoes_funcao()
mainloop()
def visor_design(self):
self.mode = Label(self.root, text=self.mode_text, fg="#fff", bg="#291C2A", width=97, height=1, anchor=W, font="Arial 8")
self.mode.pack(fill=X)
self.visor = Label(self.root, text=self.expressao+" "*10, bg="#291C2A", fg="#fff", width=97, height=5, anchor=E, font="Arial 12")
self.visor.pack()
self.framebt = Frame(self.root, width=678, height=350)
self.framebt.pack()
#etiqueta da calculadora
Label(self.root, text="@Buizzy - Eliezer de Almeida", bg="#19171A", fg="#FFF").pack(fill=X)
def botoes_num(self):
#cria o botoes dentro do FrameBt
FONT="Arial 8 bold"
BG = "#181818"
FG = "#FFF"
#linha 1
Button(self.framebt, text="%", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("")).grid(row=0, column=0)
Button(self.framebt, text="√", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("√")).grid(row=0, column=1)
Button(self.framebt, text="AC", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.apagar("ac")).grid(row=0, column=2)
Button(self.framebt, text="DEL", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.apagar("del")).grid(row=0, column=3)
#linha 2
Button(self.framebt, text="+", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("+")).grid(row=1, column=0)
Button(self.framebt, text="7", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("7")).grid(row=1, column=1)
Button(self.framebt, text="8", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("8")).grid(row=1, column=2)
Button(self.framebt, text="9", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("9")).grid(row=1, column=3)
#linha 3
Button(self.framebt, text="-", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("-")).grid(row=2, column=0)
Button(self.framebt, text="4", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("4")).grid(row=2, column=1)
Button(self.framebt, text="5", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG
, command=lambda:self.atribui_valor("5")).grid(row=2, column=2)
Button(self.framebt, text="6", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("6")).grid(row=2, column=3)
#linha 4
Button(self.framebt, text="*", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("*")).grid(row=3, column=0)
Button(self.framebt, text="1", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG
, command=lambda:self.atribui_valor("1")).grid(row=3, column=1)
Button(self.framebt, text="2", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("2")).grid(row=3, column=2)
Button(self.framebt, text="3", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("3")).grid(row=3, column=3)
#linha 5
Button(self.framebt, text="/", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG
, command=lambda:self.atribui_valor("/")).grid(row=4, column=0)
Button(self.framebt, text=".", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG
, command=lambda:self.atribui_valor(".")).grid(row=4, column=1)
Button(self.framebt, text="0", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG
, command=lambda:self.atribui_valor("0")).grid(row=4, column=2)
Button(self.framebt, text="Ans", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.visor.config(text=self.expressao+self.ans+" "*10)).grid(row=4, column=3)
def botoes_funcao(self):
#cria os botoes com as funções de cálculos
FONT = "Arial 8 bold"
BG = "#181818"
FG = "#FFF"
#linha 1
Button(self.framebt, text="e", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("e")).grid(row=0, column=4)
Button(self.framebt, text="π", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("π")).grid(row=0, column=5)
Button(self.framebt, text="M", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.memoria("m")).grid(row=0, column=6)
Button(self.framebt, text="M+", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.memoria("m+")).grid(row=0, column=7)
Button(self.framebt, text="M-", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.memoria("m-")).grid(row=0, column=8)
#linha 2
Button(self.framebt, text="sin", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("sin(")).grid(row=1, column=4)
Button(self.framebt, text="cos", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("cos(")).grid(row=1, column=5)
Button(self.framebt, text="tan", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("tan(")).grid(row=1, column=6)
Button(self.framebt, text="hyp", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=1, column=7)
Button(self.framebt, text="n!", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG,command=lambda:self.atribui_valor("!")).grid(row=1, column=8)
#linha 3
Button(self.framebt, text="(", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("(")).grid(row=2, column=4)
Button(self.framebt, text=")", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor(")")).grid(row=2, column=5)
Button(self.framebt, text="log", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=2, column=6)
Button(self.framebt, text="^", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.atribui_valor("^(")).grid(row=2, column=7)
Button(self.framebt, text="|x|", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=2, column=8)
#linha 4
Button(self.framebt, text="empty", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=3, column=4)
Button(self.framebt, text="empty", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=3, column=5)
Button(self.framebt, text="empty", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=3, column=6)
Button(self.framebt, text="Deg", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.altera_mode("Deg")).grid(row=3, column=7)
Button(self.framebt, text="Rad", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.altera_mode("Rad")).grid(row=3, column=8)
#linha 5
Button(self.framebt, text="=", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG, command=lambda:self.resolver()).grid(row=4, column=4)
Button(self.framebt, text="empty", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=4, column=5)
Button(self.framebt, text="empty", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=4, column=6)
Button(self.framebt, text="empty", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=4, column=7)
Button(self.framebt, text="empty", width=10, borderwidth=0, height=2, font=FONT, bg=BG, fg=FG).grid(row=4, column=8)
def atribui_valor(self, valor):
#esta funcao é executada e atribui valor a self.expressao
#também atualiza a label self.visor
if len(self.expressao) < 41:
self.expressao += str(valor)
self.visor.config(text=self.expressao+" "*10)
else:
print("Limite atingido")
def apagar(self, comando):
#essa função apaga o valor do visor
if comando == "ac":
self.expressao = ""
elif comando == "del":
#aqui serve para apagar as funcoes
a = self.expressao[-1:-5:-1]#pega os ultimos valores a fim de verificar se é uma funcao
a = a[::-1]#desinverte os valores
#verifica a existencia dos valores na string, para evitar que delete valores que nao sao funcoes
#a partir daqui executa o algoritmo para deletar a funcao
if a in "sin(cos(tan(" and len(self.expressao) > 0:
b = list(self.expressao)
for c in range(1, 5):
b.pop(-1)
self.expressao = "".join(b)
elif len(self.expressao) > 0:
lista = list(self.expressao)
lista.pop()
self.expressao = "".join(lista)
self.visor.config(text=self.expressao+" "*10)
def memoria(self, bt):
#pega o valor do visor e salva em um bloco de notas
if bt == "m":
memory = open(".\\files\\memory.txt", "r")
self.expressao += memory.read()
elif bt == "m+":
memory = open("memory.txt", "w")
memory.writelines(self.expressao)
memory.close()
else:
memory = open("memory.txt", "w")
memory.close()
self.visor.config(text=self.expressao+" "*10)
def resolver(self, event=""):
resulta = str(mh.resolve(self.expressao, self.mode_text))
self.ans = resulta
self.expressao = resulta
self.visor.config(text=self.expressao+" "*10)
def key_atribui(self, event):
#usando um bind ele pega o event de uma key e verifica se é um número
key = event.char
if key in "1234567890":
self.atribui_valor(key)
elif event.keycode == 22:
self.apagar("del")
def altera_mode(self, event):
#altera mode que contém informações como se é grau ou radianos
if event == "Deg" or event == "Rad":
self.mode_text = self.mode_text.replace(self.mode_text[5:8:1], event)
self.mode.config(text=self.mode_text)
#ambiente de teste
teste_classe = Gui()
teste_classe.init()