Mundo em Python

Promoções sem IVA

Publicado 07-08-2023
Caio Mário 
from tkinter import *
root = Tk()
root.geometry("450x400")
root.resizable(0, 0)
root.config(bg="#0e629e")
root.title("Promoções sem IVA ")
titulo = Label(text="Promoções sem IVA",
               font=("Arial", "25", "bold"),bg="#0e629e",fg="#d9ead3")
titulo.place(relx=0.1, rely=0.05)
texto_sub1 = Label(text="Preço do Produto com IVA:",
                    font=("Arial", "15", "bold"),bg="#0e629e",fg="#d9ead3")
texto_sub1.place(relx=0.05, rely=0.3)
texto_sub2 = Label(text="IVA (em %):",
                    font=("Arial", "15", "bold"),bg="#0e629e",fg="#d9ead3")
texto_sub2.place(relx=0.38, rely=0.45)

preco = DoubleVar()
preco_entrada = Entry(textvariable=preco,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
preco_entrada.place(relx=0.68, rely=0.3, relwidth=0.25)

ivapp = IntVar()
ivapp_entrada = Entry(textvariable=ivapp,
                             font=("Arial", "12", "bold"),
                             bg="white", fg="blue", justify='center')
ivapp_entrada.place(relx=0.68, rely=0.47, relwidth=0.25)
def app():
    iva=ivapp.get()
    ivap = iva/100
    pf = preco.get()
    a = 1+ivap
    pi = pf/a
    Bonus = pf - pi
    mensagem = f"Valor do IVA (Valor do desconto): {round(Bonus,2)}.\n" \
               f" Valor a pagar: {round(pi,2)}."
    resultado.set(mensagem)
def limpar():
    preco_entrada.delete(0, END)
    ivapp_entrada.delete(0, END)
    resultado.set("")
but1 = Button(text="Verificar", bd=2, bg='#107db2', fg='white',
              font=('verdana', 12, 'bold'), command=app)
but1.place(relx=0.05, rely=0.55, relwidth=0.25, relheight=0.1)
but_limpar = Button(text="Limpar", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=limpar)
but_limpar.place(relx=0.35, rely=0.55, relwidth=0.25, relheight=0.1)

but_sair = Button(text="Sair", bd=2, bg='#107db2', fg='white',
                    font=('verdana', 12, 'bold'), command=root.destroy)
but_sair.place(relx=0.65, rely=0.55, relwidth=0.25, relheight=0.1)

resultado = StringVar()
resultado_texto = Label(textvariable=resultado,
                           font=("Arial", 12, "bold"), bg="#cfe2f3")
resultado_texto.place(relx=0.05, rely=0.68, relwidth=0.9,relheight=0.3)
root.mainloop()
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