Demo/tkinter/matt/menu-simple.py

   1 from Tkinter import *
   2
   3 # some vocabulary to keep from getting confused. This terminology
   4 # is something I cooked up for this file, but follows the man pages
   5 # pretty closely
   6 #
   7 #
   8 #
   9 #       This is a MENUBUTTON
  10 #       V
  11 # +-------------+
  12 # |             |
  13 #
  14 # +------------++------------++------------+
  15 # |            ||            ||            |
  16 # |  File      ||  Edit      || Options    |   <-------- the MENUBAR
  17 # |            ||            ||            |
  18 # +------------++------------++------------+
  19 # | New...         |
  20 # | Open...        |
  21 # | Print          |
  22 # |                |  <------ This is a MENU. The lines of text in the menu are
  23 # |                |                          MENU ENTRIES
  24 # |                +---------------+
  25 # | Open Files >   | file1         |
  26 # |                | file2         |
  27 # |                | another file  | <------ this cascading part is also a MENU
  28 # +----------------|               |
  29 #                  |               |
  30 #                  |               |
  31 #                  |               |
  32 #                  +---------------+
  33
  34
  35
  36 def new_file():
  37     print "opening new file"
  38
  39
  40 def open_file():
  41     print "opening OLD file"
  42
  43
  44 def makeFileMenu():
  45     # make menu button : "File"
  46     File_button = Menubutton(mBar, text='File', underline=0)
  47     File_button.pack(side=LEFT, padx="1m")
  48     File_button.menu = Menu(File_button)
  49
  50     # add an item. The first param is a menu entry type,
  51     # must be one of: "cascade", "checkbutton", "command", "radiobutton", "seperator"
  52     # see menu-demo-2.py for examples of use
  53     File_button.menu.add_command(label='New...', underline=0,
  54                                  command=new_file)
  55
  56
  57     File_button.menu.add_command(label='Open...', underline=0,
  58                                  command=open_file)
  59
  60     File_button.menu.add_command(label='Quit', underline=0,
  61                                  command='exit')
  62
  63     # set up a pointer from the file menubutton back to the file menu
  64     File_button['menu'] = File_button.menu
  65
  66     return File_button
  67
  68
  69
  70 def makeEditMenu():
  71     Edit_button = Menubutton(mBar, text='Edit', underline=0)
  72     Edit_button.pack(side=LEFT, padx="1m")
  73     Edit_button.menu = Menu(Edit_button)
  74
  75     # just to be cute, let's disable the undo option:
  76     Edit_button.menu.add('command', label="Undo")
  77     # Since the tear-off bar is the 0th entry,
  78     # undo is the 1st entry...
  79     Edit_button.menu.entryconfig(1, state=DISABLED)
  80
  81     # and these are just for show. No "command" callbacks attached.
  82     Edit_button.menu.add_command(label="Cut")
  83     Edit_button.menu.add_command(label="Copy")
  84     Edit_button.menu.add_command(label="Paste")
  85
  86     # set up a pointer from the file menubutton back to the file menu
  87     Edit_button['menu'] = Edit_button.menu
  88
  89     return Edit_button
  90
  91
  92 #################################################
  93
  94 #### Main starts here ...
  95 root = Tk()
  96
  97
  98 # make a menu bar
  99 mBar = Frame(root, relief=RAISED, borderwidth=2)
 100 mBar.pack(fill=X)
 101
 102 File_button = makeFileMenu()
 103 Edit_button = makeEditMenu()
 104
 105 # finally, install the buttons in the menu bar.
 106 # This allows for scanning from one menubutton to the next.
 107 mBar.tk_menuBar(File_button, Edit_button)
 108
 109 root.title('menu demo')
 110 root.iconname('packer')
 111
 112 root.mainloop()
 113
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 116
 117
 118