From 5eb632db8935d0bcd60d3c7a1749913b8e68793a Mon Sep 17 00:00:00 2001 From: Ashutosh Panda Date: Tue, 4 Oct 2022 14:38:37 +0530 Subject: [PATCH] GUI Calculator Added --- .../GUI_Calculator_Ashutosh_Panda/README.md | 14 ++ .../calculator.py | 132 ++++++++++++++++++ 2 files changed, 146 insertions(+) create mode 100644 projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/README.md create mode 100644 projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/calculator.py diff --git a/projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/README.md b/projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/README.md new file mode 100644 index 0000000..11bd906 --- /dev/null +++ b/projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/README.md @@ -0,0 +1,14 @@ +# Script Title + +A small python program that creates a calculator app + +## Requirements + +tkinter +functools + +## How to run the script + +> py calculator.py + +## Screenshot/GIF showing the sample use of the script diff --git a/projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/calculator.py b/projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/calculator.py new file mode 100644 index 0000000..840a392 --- /dev/null +++ b/projects_Intermediate/PYTHON_DEVELOPMENT/GUI_Calculator_Ashutosh_Panda/calculator.py @@ -0,0 +1,132 @@ +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) + + root.mainloop() + + +if __name__ == '__main__': + cal()