# GUI - Программа калькулятор
# урок 2 K1 - L38-Calc

def add_digit(digit):
    value = calc.get() + str(digit)
    calc.delete(0, tk.END)
    calc.insert(0, value)

def make_digit_button(digit):
    return tk.Button(text = digit, bd = 5, font = ('Arial', 13), command = lambda: add_digit(digit))

def make_operation_button(operation):
    return tk.Button(text = operation, bd = 5, font = ('Arial', 13), fg = '#CD00FF', command = lambda: add_operation(operation))

def make_calc_button(operation):
    return tk.Button(text = operation, bd = 5, font = ('Arial', 13), fg = '#CD00FF', command = lambda: add_operation(operation))

def add_operation(operation):
    value = calc.get()
    if value[-1] in '+':
        value = value[:-1]
    calc.delete(0, tk.END)
    calc.insert(0, value + operation)

import tkinter as tk
win = tk.Tk()
win.geometry('240x280+100+200')
win.title('Калькулятор')
win['bg'] = '#486A97'
photo = tk.PhotoImage(file = 'icon.png')
win.iconphoto(False, photo)

calc = tk.Entry(win, justify = tk.RIGHT, font = ('Arial', 15), width = 15)
calc.grid(row = 0, column = 0, columnspan = 4, stick = 'we', padx = 5, pady = 5)

make_digit_button(1).grid(row = 1, column = 0, stick = 'wens', padx = 5, pady = 5)
make_digit_button(2).grid(row = 1, column = 1, stick = 'wens', padx = 5, pady = 5)
make_digit_button(3).grid(row = 1, column = 2, stick = 'wens', padx = 5, pady = 5)
make_digit_button(4).grid(row = 2, column = 0, stick = 'wens', padx = 5, pady = 5)
make_digit_button(5).grid(row = 2, column = 1, stick = 'wens', padx = 5, pady = 5)
make_digit_button(6).grid(row = 2, column = 2, stick = 'wens', padx = 5, pady = 5)
make_digit_button(7).grid(row = 3, column = 0, stick = 'wens', padx = 5, pady = 5)
make_digit_button(8).grid(row = 3, column = 1, stick = 'wens', padx = 5, pady = 5)
make_digit_button(9).grid(row = 3, column = 2, stick = 'wens', padx = 5, pady = 5)
make_digit_button(0).grid(row = 4, column = 0, stick = 'wens', padx = 5, pady = 5)

make_operation_button('+').grid(row = 1, column = 3, stick = 'wens', padx = 5, pady = 5)

make_calc_button('=').grid(row = 4, column = 2, stick = 'wens', padx = 5, pady = 5)

win.grid_columnconfigure(0, minsize = 60)
win.grid_columnconfigure(1, minsize = 60)
win.grid_columnconfigure(2, minsize = 60)
win.grid_columnconfigure(3, minsize = 60)

win.grid_rowconfigure(1, minsize = 60)
win.grid_rowconfigure(2, minsize = 60)
win.grid_rowconfigure(3, minsize = 60)
win.grid_rowconfigure(4, minsize = 60)


win.mainloop()