- # -*- coding: utf-8 -*-
- #author: Cullen
- #import the module
- from Tkinter import *
- from functools import partial
- import tkFont
- 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 = entry.get()
- output = str(eval(input.strip()))
- clear(entry)
- entry.insert(END, output)
- def cal():
- root = Tk()
- root.title("Calc")
- root.resizable(0,0)
- entry_font = tkFont.Font(size=12)
- 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)
- button_font = tkFont.Font(size=10, weight=tkFont.BOLD)
- button_bg = '#D5E0EE'
- button_active_bg = '#E5E35B'
- myButton = partial(Button, root, bg=button_bg, padx=10, pady=3, activebackground = button_active_bg)
- button7 = myButton(text='7', command=lambda : get_input(entry, '7'))
- button7.grid(row=1, column=0, pady=5)
- button8 = myButton(text='8', command=lambda : get_input(entry, '8'))
- button8.grid(row=1, column=1, pady=5)
- button9 = myButton(text='9', command=lambda : get_input(entry, '9'))
- button9.grid(row=1, column=2, pady=5)
- button10 = myButton(text='+', command=lambda : get_input(entry, '+'))
- button10.grid(row=1, column=3, pady=5)
- button4 = myButton(text='4', command=lambda : get_input(entry, '4'))
- button4.grid(row=2, column=0, pady=5)
- button5 = myButton(text='5', command=lambda : get_input(entry, '5'))
- button5.grid(row=2, column=1, pady=5)
- button6 = myButton(text='6', command=lambda : get_input(entry, '6'))
- button6.grid(row=2, column=2, pady=5)
- button11 = myButton(text='-', command=lambda : get_input(entry, '-'))
- button11.grid(row=2, column=3, pady=5)
- button1 = myButton(text='1', command=lambda : get_input(entry, '1'))
- button1.grid(row=3, column=0, pady=5)
- button2 = myButton(text='2', command=lambda : get_input(entry, '2'))
- button2.grid(row=3, column=1, pady=5)
- button3 = myButton(text='3', command=lambda : get_input(entry, '3'))
- button3.grid(row=3, column=2, pady=5)
- button12 = myButton(text='*', command=lambda : get_input(entry, '*'))
- button12.grid(row=3, column=3, pady=5)
- button0 = myButton(text='0', command=lambda : get_input(entry, '0'))
- button0.grid(row=4, column=0, columnspan=2, padx=3, pady=5, sticky=N+S+E+W)
- button13 = myButton(text='.', command=lambda : get_input(entry, '.'))
- button13.grid(row=4, column=2, pady=5)
- button14 = Button(root, text='/', bg=button_bg, padx=10, pady=3,
- command=lambda : get_input(entry, '/'))
- button14.grid(row=4, column=3, pady=5)
- button15 = Button(root, text='<-', bg=button_bg, padx=10, pady=3,
- command=lambda : backspace(entry), activebackground = button_active_bg)
- button15.grid(row=5, column=0, pady=5)
- button16 = Button(root, text='C', bg=button_bg, padx=10, pady=3,
- command=lambda : clear(entry), activebackground = button_active_bg)
- button16.grid(row=5, column=1, pady=5)
- button17 = Button(root, text='=', bg=button_bg, padx=10, pady=3,
- command=lambda : calc(entry), activebackground = button_active_bg)
- button17.grid(row=5, column=2, columnspan=2, padx=3, pady=5, sticky=N+S+E+W)
- root.mainloop()
- if __name__ == '__main__':
- cal()
来源: http://www.phpxs.com/code/1004814/