Created
February 2, 2022 06:44
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# -*- coding: utf-8 -*- | |
from tkinter import Tk, END, Entry, N, E, S, W, Button | |
from tkinter import font | |
from tkinter import Label | |
from functools import partial | |
def get_input(entry, argu): | |
entry.insert(END, argu) | |
def backspace(entry): | |
input_len = len(entry.get()) | |
entry.delete(input_len - 1) | |
def clear(entry): | |
entry.delete(0, END) | |
def calc(entry): | |
input_info = entry.get() | |
try: | |
output = str(eval(input_info.strip())) | |
except ZeroDivisionError: | |
popupmsg() | |
output = "" | |
clear(entry) | |
entry.insert(END, output) | |
def popupmsg(): | |
popup = Tk() | |
popup.resizable(0, 0) | |
popup.geometry("120x100") | |
popup.title("Alert") | |
label = Label(popup, text="Cannot divide by 0 ! \n Enter valid values") | |
label.pack(side="top", fill="x", pady=10) | |
B1 = Button(popup, text="Okay", bg="#DDDDDD", command=popup.destroy) | |
B1.pack() | |
def cal(): | |
root = Tk() | |
root.title("Calc") | |
root.resizable(0, 0) | |
entry_font = font.Font(size=15) | |
entry = Entry(root, justify="right", font=entry_font) | |
entry.grid(row=0, column=0, columnspan=4, | |
sticky=N + W + S + E, padx=5, pady=5) | |
cal_button_bg = '#FF6600' | |
num_button_bg = '#4B4B4B' | |
other_button_bg = '#DDDDDD' | |
text_fg = '#FFFFFF' | |
button_active_bg = '#C0C0C0' | |
num_button = partial(Button, root, fg=text_fg, bg=num_button_bg, | |
padx=10, pady=3, activebackground=button_active_bg) | |
cal_button = partial(Button, root, fg=text_fg, bg=cal_button_bg, | |
padx=10, pady=3, activebackground=button_active_bg) | |
button7 = num_button(text='7', bg=num_button_bg, | |
command=lambda: get_input(entry, '7')) | |
button7.grid(row=2, column=0, pady=5) | |
button8 = num_button(text='8', command=lambda: get_input(entry, '8')) | |
button8.grid(row=2, column=1, pady=5) | |
button9 = num_button(text='9', command=lambda: get_input(entry, '9')) | |
button9.grid(row=2, column=2, pady=5) | |
button10 = cal_button(text='+', command=lambda: get_input(entry, '+')) | |
button10.grid(row=4, column=3, pady=5) | |
button4 = num_button(text='4', command=lambda: get_input(entry, '4')) | |
button4.grid(row=3, column=0, pady=5) | |
button5 = num_button(text='5', command=lambda: get_input(entry, '5')) | |
button5.grid(row=3, column=1, pady=5) | |
button6 = num_button(text='6', command=lambda: get_input(entry, '6')) | |
button6.grid(row=3, column=2, pady=5) | |
button11 = cal_button(text='-', command=lambda: get_input(entry, '-')) | |
button11.grid(row=3, column=3, pady=5) | |
button1 = num_button(text='1', command=lambda: get_input(entry, '1')) | |
button1.grid(row=4, column=0, pady=5) | |
button2 = num_button(text='2', command=lambda: get_input(entry, '2')) | |
button2.grid(row=4, column=1, pady=5) | |
button3 = num_button(text='3', command=lambda: get_input(entry, '3')) | |
button3.grid(row=4, column=2, pady=5) | |
button12 = cal_button(text='*', command=lambda: get_input(entry, '*')) | |
button12.grid(row=2, column=3, pady=5) | |
button0 = num_button(text='0', command=lambda: get_input(entry, '0')) | |
#button0.grid(row=5, column=0, columnspan=2, padx=3, pady=5, sticky=N + S + E + W) | |
button0.grid(row=5, column=0, pady=5) | |
button13 = num_button(text='.', command=lambda: get_input(entry, '.')) | |
button13.grid(row=5, column=1, pady=5) | |
button14 = Button(root, text='/', fg=text_fg, bg=cal_button_bg, padx=10, pady=3, | |
command=lambda: get_input(entry, '/')) | |
button14.grid(row=1, column=3, pady=5) | |
button15 = Button(root, text='<-', bg=other_button_bg, padx=10, pady=3, | |
command=lambda: backspace(entry), activebackground=button_active_bg) | |
button15.grid(row=1, column=0, columnspan=2, | |
padx=3, pady=5, sticky=N + S + E + W) | |
button16 = Button(root, text='C', bg=other_button_bg, padx=10, pady=3, | |
command=lambda: clear(entry), activebackground=button_active_bg) | |
button16.grid(row=1, column=2, pady=5) | |
button17 = Button(root, text='=', fg=text_fg, bg=cal_button_bg, padx=10, pady=3, | |
command=lambda: calc(entry), activebackground=button_active_bg) | |
button17.grid(row=5, column=3, pady=5) | |
button18 = Button(root, text='^', fg=text_fg, bg=cal_button_bg, padx=10, pady=3, | |
command=lambda: get_input(entry, '**')) | |
button18.grid(row=5, column=2, pady=5) | |
def quit(): | |
exit['command'] = root.quit() | |
exit = Button(root, text='Quit', fg='white', bg='black', command=quit, height=1, width=7) | |
exit.grid(row=6, column=1) | |
root.mainloop() | |
if __name__ == '__main__': | |
cal() |
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