python开发_tkinter_复选菜单

在之前的blog中有提到python的tkinter中的菜单操作

python开发_tkinter_窗口控件_自己制作的Python IDEL_博主推荐

python开发_tkinter_窗口控件_自己制作的Python IDEL_博主推荐（二）

python开发_tkinter_菜单选项中英文切换_菜单选项不可用操作_博主推荐

下面是tkinter中复选菜单的操作

运行效果：

1.初始化的时候，最后一个子菜单被选中。

2.选择子菜单项，所触发的事件...

==============================================================

代码部分：

==============================================================

 from tkinter import *

 __author__ = {'name' : 'Hongten',
               'mail' : 'hongtenzone@foxmail.com',
               'blog' : 'http://www.cnblogs.com/',
               'QQ': '',
               'created' : '2013-09-10'}
 #状态标志
 pepperonis = False
 anchovies = 0

 def print_pepperonis():
     global pepperonis
     pepperonis = not pepperonis
     print('pepperonis?', pepperonis)

 def print_anchovies():
     '''从这里我们可以判断出'Anchovy'子菜单是否处于选择状态'''
     global anchovies
     anchovies = not anchovies
     print("anchovies?", anchovies)

 def makeCheckbuttonMenu():
     # make menu button
     Checkbutton_button = Menubutton(mBar, text='Checkbutton Menus',
                                     underline=0)
     Checkbutton_button.pack(side=LEFT, padx='2m')

     # the primary pulldown
     Checkbutton_button.menu = Menu(Checkbutton_button)

     # and all the check buttons. Note that the "variable" "onvalue" and "offvalue" options
     # are not supported correctly at present. You have to do all your application
     # work through the calback.
     Checkbutton_button.menu.add_checkbutton(label='Pepperoni', command=print_pepperonis)
     Checkbutton_button.menu.add_checkbutton(label='Sausage')
     Checkbutton_button.menu.add_checkbutton(label='Extra Cheese')

     # so here's a callback
     Checkbutton_button.menu.add_checkbutton(label='Anchovy',
                                             command=print_anchovies)
     #初始化时，被选中状态
     #
     # and start with anchovies selected to be on. Do this by
     # calling invoke on this menu option. To refer to the "anchovy" menu
     # entry we need to know it's index. To do this, we use the index method
     # which takes arguments of several forms:
     #
     # argument        what it does
     # -----------------------------------
     # a number        -- this is useless.
     # "last"          -- last option in the menu
     # "none"          -- used with the activate command. see the man page on menus
     # "active"        -- the currently active menu option. A menu option is made active
     #                         with the 'activate' method
     # "@number"       -- where 'number' is an integer and is treated like a y coordinate in pixels
     # string pattern  -- this is the option used below, and attempts to match "labels" using the
     #                    rules of Tcl_StringMatch
     Checkbutton_button.menu.invoke(Checkbutton_button.menu.index('Anchovy'))

     # set up a pointer from the file menubutton back to the file menu
     Checkbutton_button['menu'] = Checkbutton_button.menu

     return Checkbutton_button

 #################################################
 #### Main starts here ...
 root = Tk()
 root.geometry('250x200')
 root.title('menu demo')
 root.iconname('menu demo')

 # make a menu bar
 mBar = Frame(root, relief=RAISED, borderwidth=2)
 mBar.pack(fill=X)

 Checkbutton_button = makeCheckbuttonMenu()

 mBar.tk_menuBar(Checkbutton_button)

 root.mainloop()