1 #!/usr/bin/env python
   2 
   3 import Tkinter as tk
   4 import tkMessageBox
   5 
   6 class MenuApp(object):
   7 
   8     def __init__(self):
   9         self.root = tk.Tk()
  10         self.root.title("A app prototype")
  11 
  12         menubar = tk.Menu(self.root)
  13         self.root.config(menu=menubar)
  14 
  15         # File
  16         filemenu = tk.Menu(menubar, tearoff=0)
  17         menubar.add_cascade(label="File", menu=filemenu)
  18         filemenu.add_command(label="new", command=self.dummy)
  19         filemenu.add_command(label="open", command=self.dummy)
  20         filemenu.add_command(label="Exit", command=self.root.destroy)
  21 
  22         # Edit
  23         editmenu = tk.Menu(menubar, tearoff=0)
  24         menubar.add_cascade(label="Edit", menu=editmenu)
  25         editmenu.add_command(label="undo", command=self.dummy)
  26         editmenu.add_command(label="redo", command=self.dummy)
  27 
  28         # Help
  29         infomenu = tk.Menu(menubar, tearoff=0)
  30         menubar.add_cascade(label="Help", menu=infomenu)
  31         infomenu.add_command(label="Help", command=self.dummy)
  32         infomenu.add_command(label="About", command=self.about)
  33 
  34         # text field
  35         self.textfield = tk.Text(
  36             self.root, width = 79, height = 20,
  37         )
  38         self.textfield.pack()
  39         self.textfield.insert(
  40             tk.END,
  41             (
  42                 "Tk demo.\n\n"
  43                 "Only the menu points File/Exit and Help/About are alive."
  44             )
  45         )
  46 
  47         self.root.mainloop()
  48 
  49     def dummy(self):
  50         self.textfield.insert(
  51             tk.END, "\nThis function is not implemented.\n"
  52         )
  53 
  54     def about(self):
  55         tkMessageBox.showinfo(title = "about", message = "This is just a ")
  56 
  57 
  58 
  59 if __name__ == "__main__":
  60    MenuApp()