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',
  47                                     'underline': 0,
  48                                     Pack: {'side': 'left',
  49                                            'padx': '1m'}})
  50
  51     # make the pulldown part of the File menu. The parameter passed is the master.
  52     # we attach it to the File button as a python attribute called "menu" by convention.
  53     # hopefully this isn't too confusing...
  54     File_button.menu = Menu(File_button)
  55
  56     # add an item. The first param is a menu entry type,
  57     # must be one of: "cascade", "checkbutton", "command", "radiobutton", "seperator"
  58     # see menu-demo-2.py for examples of use
  59     File_button.menu.add('command', {'label': 'New...',
  60                                      'underline': 0,
  61                                      'command' : new_file})
  62
  63
  64     File_button.menu.add('command', {'label': 'Open...',
  65                                      'underline': 0,
  66                                      'command' : open_file})
  67
  68     File_button.menu.add('command', {'label': 'Quit',
  69                                      'underline': 0,
  70                                      'command': 'exit'})
  71
  72
  73     # set up a pointer from the file menubutton back to the file menu
  74     File_button['menu'] = File_button.menu
  75
  76     return File_button
  77
  78
  79
  80 def makeEditMenu():
  81     Edit_button = Menubutton(mBar, {'text': 'Edit',
  82                                     'underline': 0,
  83                                     Pack: {'side': 'left',
  84                                            'padx' : '1m'}})
  85     Edit_button.menu = Menu(Edit_button)
  86
  87     # just to be cute, let's disable the undo option:
  88     Edit_button.menu.add('command', {"label" : "Undo"} )
  89     # undo is the 0th entry...
  90     Edit_button.menu.entryconfig(0, {"state" : "disabled"})
  91
  92     # and these are just for show. No "command" callbacks attached.
  93     Edit_button.menu.add('command', {"label" : "Cut"} )
  94     Edit_button.menu.add('command', {"label" : "Copy"} )
  95     Edit_button.menu.add('command', {"label" : "Paste"} )
  96
  97     # set up a pointer from the file menubutton back to the file menu
  98     Edit_button['menu'] = Edit_button.menu
  99
 100     return Edit_button
 101
 102
 103 #################################################
 104
 105 #### Main starts here ...
 106 root = Tk()
 107
 108
 109 # make a menu bar
 110 mBar = Frame(root, {'relief': 'raised',
 111                     'bd': 2,
 112                     Pack: {'side': 'top',
 113                            'fill': 'x'}})
 114
 115 File_button = makeFileMenu()
 116 Edit_button = makeEditMenu()
 117
 118 # finally, install the buttons in the menu bar.
 119 # This allows for scanning from one menubutton to the next.
 120 mBar.tk_menuBar(File_button, Edit_button)
 121
 122
 123 root.title('menu demo')
 124 root.iconname('packer')
 125
 126 root.mainloop()
 127
 128
 129
 130
 131
 132