import tkinter as tk
from functools import partial

def store_temp(selected_sign, var):
    var.set(selected_sign)
def call_convert(var, var1, result_label):
    sign1 = var.get()
    sign2 = var1.get()
    if sign1 == '+' and sign2 == '+':
        result_label.config(text='+')
    elif sign1 == '-' and sign2 == '-':
        result_label.config(text='+')
    elif (sign1 == '+' and sign2 == '-') or (sign1 == '-' and sign2 == '+'):
        result_label.config(text='-')

def main():
    root = tk.Tk()
    root.geometry('400x150+100+200')
    root.title('Sinal da Multiplicação')
    root.configure(background='#09A3BA')
    root.resizable(width=False, height=False)

    selected_sign1 = tk.StringVar()
    selected_sign1.set('+')
    dropdown1 = tk.OptionMenu(root, selected_sign1, '+', '-')
    dropdown1.place(relx=0.25, rely=0.05)
    configure_dropdown(dropdown1)
    selected_sign2 = tk.StringVar()
    selected_sign2.set('+')
    dropdown2 = tk.OptionMenu(root, selected_sign2, '+', '-')
    dropdown2.place(relx=0.55, rely=0.05)
    configure_dropdown(dropdown2)
    result_label = tk.Label(root, background='#09A3BA',
                            foreground="#FFFFFF",font=("Arial","30","bold"))
    result_label.place(relx=0.45, rely=0.7)
    call_convert_partial = partial(call_convert, selected_sign1, selected_sign2, result_label)
    result_button = tk.Button(root, text="Sinal",
                              command=call_convert_partial,
                              background='#09A3BA', 
                              foreground="#FFFFFF",font=("Arial","15"))
    result_button.place(relx=0.4, rely=0.45)
    root.mainloop()
def configure_dropdown(dropdown):
    dropdown.config(background='#09A3BA', 
                    foreground="#FFFFFF",font=("Arial","15","bold"))
    dropdown["menu"].config(background='#09A3BA',
                            foreground="#FFFFFF",font=("Arial","20","bold"))
if __name__ == "__main__":
    main()