python开发_tkinter_菜单的不同选项

 1 from tkinter import *
 2 
 3 '''
 4     菜单选项的不同形式
 5 '''
 6 #global var
 7 number = 0
 8 # some miscellaneous callbacks
 9 def new_file():
10     global number
11     number += 1
12     tk = Tk()
13     tk.geometry('300x300')
14     tk.title('Demo %s'%number)
15 
16 def open_file():
17     print("opening OLD file")
18 
19 def print_something():
20     print("picked a menu item")
21 
22 def makeCommandMenu():
23     # make menu button
24     Command_button = Menubutton(mBar, text='Simple Button Commands',
25                                 underline=0)
26     Command_button.pack(side=LEFT, padx="2m")
27 
28     # make the pulldown part of the File menu. The parameter passed is the master.
29     # we attach it to the button as a python attribute called "menu" by convention.
30     # hopefully this isn't too confusing...
31     Command_button.menu = Menu(Command_button)
32 
33     # just to be cute, let's disable the undo option:
34     Command_button.menu.add_command(label="Undo")
35     # undo is the 0th entry...
36     Command_button.menu.entryconfig(0, state=DISABLED)
37 
38     Command_button.menu.add_command(label='New...', underline=0,
39                                     command=new_file)
40     Command_button.menu.add_command(label='Open...', underline=0,
41                                     command=open_file)
42     Command_button.menu.add_command(label='Different Font', underline=0,
43                                     font='-*-helvetica-*-r-*-*-*-180-*-*-*-*-*-*',
44                                     command=print_something)
45 
46     # we can make bitmaps be menu entries too. File format is X11 bitmap.
47     # if you use XV, save it under X11 bitmap format. duh-uh.,..
48     Command_button.menu.add_command(
49         bitmap="info")
50         #bitmap='@/home/mjc4y/dilbert/project.status.is.doomed.last.panel.bm')
51 
52     # this is just a line
53     Command_button.menu.add('separator')
54 
55     # change the color
56     Command_button.menu.add_command(label='Quit', underline=0,
57                                     background='red',
58                                     activebackground='green',
59                                     command=Command_button.quit)
60 
61     # set up a pointer from the file menubutton back to the file menu
62     Command_button['menu'] = Command_button.menu
63 
64     return Command_button
65 
66 #################################################
67 #### Main starts here ...
68 root = Tk()
69 root.geometry('300x300')
70 
71 
72 # make a menu bar
73 mBar = Frame(root, relief=RAISED, borderwidth=2)
74 mBar.pack(fill=X)
75 
76 Command_button = makeCommandMenu()
77 
78 
79 # finally, install the buttons in the menu bar.
80 # This allows for scanning from one menubutton to the next.
81 mBar.tk_menuBar(Command_button)
82 
83 
84 root.title('menu demo')
85 root.iconname('menu demo')
86 
87 root.mainloop()