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Calculator_Gui.py
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Calculator_Gui.py
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from tkinter import *
from tkinter import messagebox
import pyautogui as pg
from eq_solver import eq_solver
class setting():
def fun_1():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num1")
def fun_2():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num2")
def fun_3():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num3")
def fun_4():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num4")
def fun_5():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num5")
def fun_6():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num6")
def fun_7():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num7")
def fun_8():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num8")
def fun_9():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num9")
def fun_0():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("num0")
def fun_add():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("+")
def fun_sub():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("-")
def fun_div():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("/")
def fun_mul():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("*")
def fun_dot():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press(".")
def fun_back():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.press("backspace")
def fun_clear():
pg.getWindowsWithTitle("Calculator")[0].activate()
input_from_cal.focus()
pg.keyDown("ctrl")
pg.press("a")
pg.keyUp("ctrl")
pg.press("backspace")
def fun_enter():
########### main solution algorethom ############
eq_string = input_from_cal.get()
bodmas_rule = ["/", "*", "+", "-"]
result = eq_solver(eq_string)
if result == None:
input_from_cal.focus()
else:
print(result)
setting.fun_clear()
pg.typewrite(str(result))
'''
eq_string = eq_string.replace("+"," + ")
eq_string = eq_string.replace("-"," - ")
eq_string = eq_string.replace("/"," / ")
eq_string = eq_string.replace("*"," * ")
lis = eq_string.split(" ")
### if the eq starts with + or - then insert the 0 to the first position
# example : if eq = -2+3 then convert it into : 0-2+3
if lis[0] == "":
if lis[1] == "+" or lis[1]=="-":
lis[0] = "0"
for l in range(0, len(bodmas_rule)):
for i in range(0, lis.count(bodmas_rule[l])):
op_index = lis.index(bodmas_rule[l])
try:
first_num = float(lis[op_index-1])
second_num = float(lis[op_index+1])
except Exception as e:
print(e)
messagebox.showerror("Error", "You equation is not valid! :-]")
if lis[op_index] == "+":
result = first_num + second_num
elif lis[op_index] == "-":
result = first_num - second_num
elif lis[op_index] == "*":
result = first_num * second_num
elif lis[op_index] == "/":
result = first_num / second_num
else:
messagebox.showerror("Error", "You entered wrong operator")
lis.remove(lis[op_index-1])
lis.remove(lis[op_index-1])
lis.remove(lis[op_index-1])
lis.insert(op_index-1,result)
print("result full list : ",lis)
print("result = ",lis[0])
setting.fun_clear()
input_from_cal.focus()
val = str(lis[0])
pg.typewrite(val)
print("done")
'''
def but_(master, text="NONE", command=None, place=[0,0]):
b = Button(master=master, text=text,command=command, font=("AREAL",18), bg="gray60", fg="white")
b.place(x=place[0], y=place[1])
if __name__=="__main__":
win = Tk()
win.geometry("400x450+10+10")
win.maxsize(400,450)
win.minsize(400,450)
win.config(bg="lightgray")
win.title("Calculator")
input_from_cal = Entry(win, bg="white", font=("AREAL", 20), width=30)
input_from_cal.pack(padx=10,pady=20)
input_from_cal.focus()
_0 = setting.but_(win, text=" 0 ", command=lambda: setting.fun_0(), place=[20,380])
_1 = setting.but_(win, text="1", command=lambda: setting.fun_1(), place=[20,100])
_2 = setting.but_(win, text="2", command=lambda: setting.fun_2(), place=[90,100])
_3 = setting.but_(win, text="3", command=lambda: setting.fun_3(), place=[160,100])
_4 = setting.but_(win, text="4", command=lambda: setting.fun_4(), place=[20,200])
_5 = setting.but_(win, text="5", command=lambda: setting.fun_5(), place=[90,200])
_6 = setting.but_(win, text="6", command=lambda: setting.fun_6(), place=[160,200])
_7 = setting.but_(win, text="7", command=lambda: setting.fun_7(), place=[20,300])
_8 = setting.but_(win, text="8", command=lambda: setting.fun_8(), place=[90,300])
_9 = setting.but_(win, text="9", command=lambda: setting.fun_9(), place=[160,300])
_add = setting.but_(win, text=" + ", command=lambda: setting.fun_add(), place=[230,100])
_sub = setting.but_(win, text=" - ", command=lambda: setting.fun_sub(), place=[230,200])
_div = setting.but_(win, text=" / ", command=lambda: setting.fun_div(), place=[320,100])
_mul = setting.but_(win, text=" * ", command=lambda: setting.fun_mul(), place=[320,200])
_clear = setting.but_(win, text="C", command=lambda: setting.fun_clear(), place=[230,300])
_enter = setting.but_(win, text=" =", command=lambda: setting.fun_enter(), place=[320,300])
_dot = setting.but_(win, text=" . ", command=lambda: setting.fun_dot(), place=[160,380])
_back = setting.but_(win, text=" <- ", command=lambda: setting.fun_back(), place=[230,380])
mainloop()