Demo/tkinter/matt/menu-all-types-of-entries.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 # some miscellaneous callbacks
  37 def new_file():
  38     print "opening new file"
  39
  40 def open_file():
  41     print "opening OLD file"
  42
  43 def print_something():
  44     print "picked a menu item"
  45
  46
  47
  48 anchovies = 0
  49
  50 def print_anchovies():
  51     global anchovies
  52     anchovies = not anchovies
  53     print "anchovies?", anchovies
  54
  55 def makeCommandMenu():
  56     # make menu button
  57     Command_button = Menubutton(mBar, text='Simple Button Commands',
  58                                 underline=0)
  59     Command_button.pack(side=LEFT, padx="2m")
  60
  61     # make the pulldown part of the File menu. The parameter passed is the master.
  62     # we attach it to the button as a python attribute called "menu" by convention.
  63     # hopefully this isn't too confusing...
  64     Command_button.menu = Menu(Command_button)
  65
  66     # just to be cute, let's disable the undo option:
  67     Command_button.menu.add_command(label="Undo")
  68     # undo is the 0th entry...
  69     Command_button.menu.entryconfig(0, state=DISABLED)
  70
  71     Command_button.menu.add_command(label='New...', underline=0,
  72                                     command=new_file)
  73     Command_button.menu.add_command(label='Open...', underline=0,
  74                                     command=open_file)
  75     Command_button.menu.add_command(label='Different Font', underline=0,
  76                                     font='-*-helvetica-*-r-*-*-*-180-*-*-*-*-*-*',
  77                                     command=print_something)
  78
  79     # we can make bitmaps be menu entries too. File format is X11 bitmap.
  80     # if you use XV, save it under X11 bitmap format. duh-uh.,..
  81     Command_button.menu.add_command(
  82         bitmap="info")
  83         #bitmap='@/home/mjc4y/dilbert/project.status.is.doomed.last.panel.bm')
  84
  85     # this is just a line
  86     Command_button.menu.add('separator')
  87
  88     # change the color
  89     Command_button.menu.add_command(label='Quit', underline=0,
  90                                     background='red',
  91                                     activebackground='green',
  92                                     command=Command_button.quit)
  93
  94     # set up a pointer from the file menubutton back to the file menu
  95     Command_button['menu'] = Command_button.menu
  96
  97     return Command_button
  98
  99
 100
 101 def makeCascadeMenu():
 102     # make menu button
 103     Cascade_button = Menubutton(mBar, text='Cascading Menus', underline=0)
 104     Cascade_button.pack(side=LEFT, padx="2m")
 105
 106     # the primary pulldown
 107     Cascade_button.menu = Menu(Cascade_button)
 108
 109     # this is the menu that cascades from the primary pulldown....
 110     Cascade_button.menu.choices = Menu(Cascade_button.menu)
 111
 112     # ...and this is a menu that cascades from that.
 113     Cascade_button.menu.choices.wierdones = Menu(Cascade_button.menu.choices)
 114
 115     # then you define the menus from the deepest level on up.
 116     Cascade_button.menu.choices.wierdones.add_command(label='avacado')
 117     Cascade_button.menu.choices.wierdones.add_command(label='belgian endive')
 118     Cascade_button.menu.choices.wierdones.add_command(label='beefaroni')
 119
 120     # definition of the menu one level up...
 121     Cascade_button.menu.choices.add_command(label='Chocolate')
 122     Cascade_button.menu.choices.add_command(label='Vanilla')
 123     Cascade_button.menu.choices.add_command(label='TuttiFruiti')
 124     Cascade_button.menu.choices.add_command(label='WopBopaLoopBapABopBamBoom')
 125     Cascade_button.menu.choices.add_command(label='Rocky Road')
 126     Cascade_button.menu.choices.add_command(label='BubbleGum')
 127     Cascade_button.menu.choices.add_cascade(
 128         label='Wierd Flavors',
 129         menu=Cascade_button.menu.choices.wierdones)
 130
 131     # and finally, the definition for the top level
 132     Cascade_button.menu.add_cascade(label='more choices',
 133                                     menu=Cascade_button.menu.choices)
 134
 135     Cascade_button['menu'] = Cascade_button.menu
 136
 137     return Cascade_button
 138
 139 def makeCheckbuttonMenu():
 140     global fred
 141     # make menu button
 142     Checkbutton_button = Menubutton(mBar, text='Checkbutton Menus',
 143                                     underline=0)
 144     Checkbutton_button.pack(side=LEFT, padx='2m')
 145
 146     # the primary pulldown
 147     Checkbutton_button.menu = Menu(Checkbutton_button)
 148
 149     # and all the check buttons. Note that the "variable" "onvalue" and "offvalue" options
 150     # are not supported correctly at present. You have to do all your application
 151     # work through the calback.
 152     Checkbutton_button.menu.add_checkbutton(label='Pepperoni')
 153     Checkbutton_button.menu.add_checkbutton(label='Sausage')
 154     Checkbutton_button.menu.add_checkbutton(label='Extra Cheese')
 155
 156     # so here's a callback
 157     Checkbutton_button.menu.add_checkbutton(label='Anchovy',
 158                                             command=print_anchovies)
 159
 160     # and start with anchovies selected to be on. Do this by
 161     # calling invoke on this menu option. To refer to the "anchovy" menu
 162     # entry we need to know it's index. To do this, we use the index method
 163     # which takes arguments of several forms:
 164     #
 165     # argument        what it does
 166     # -----------------------------------
 167     # a number        -- this is useless.
 168     # "last"          -- last option in the menu
 169     # "none"          -- used with the activate command. see the man page on menus
 170     # "active"        -- the currently active menu option. A menu option is made active
 171     #                         with the 'activate' method
 172     # "@number"       -- where 'number' is an integer and is treated like a y coordinate in pixels
 173     # string pattern  -- this is the option used below, and attempts to match "labels" using the
 174     #                    rules of Tcl_StringMatch
 175     Checkbutton_button.menu.invoke(Checkbutton_button.menu.index('Anchovy'))
 176
 177     # set up a pointer from the file menubutton back to the file menu
 178     Checkbutton_button['menu'] = Checkbutton_button.menu
 179
 180     return Checkbutton_button
 181
 182
 183 def makeRadiobuttonMenu():
 184     # make menu button
 185     Radiobutton_button = Menubutton(mBar, text='Radiobutton Menus',
 186                                     underline=0)
 187     Radiobutton_button.pack(side=LEFT, padx='2m')
 188
 189     # the primary pulldown
 190     Radiobutton_button.menu = Menu(Radiobutton_button)
 191
 192     # and all the Radio buttons. Note that the "variable" "onvalue" and "offvalue" options
 193     # are not supported correctly at present. You have to do all your application
 194     # work through the calback.
 195     Radiobutton_button.menu.add_radiobutton(label='Republican')
 196     Radiobutton_button.menu.add_radiobutton(label='Democrat')
 197     Radiobutton_button.menu.add_radiobutton(label='Libertarian')
 198     Radiobutton_button.menu.add_radiobutton(label='Commie')
 199     Radiobutton_button.menu.add_radiobutton(label='Facist')
 200     Radiobutton_button.menu.add_radiobutton(label='Labor Party')
 201     Radiobutton_button.menu.add_radiobutton(label='Torie')
 202     Radiobutton_button.menu.add_radiobutton(label='Independent')
 203     Radiobutton_button.menu.add_radiobutton(label='Anarchist')
 204     Radiobutton_button.menu.add_radiobutton(label='No Opinion')
 205
 206     # set up a pointer from the file menubutton back to the file menu
 207     Radiobutton_button['menu'] = Radiobutton_button.menu
 208
 209     return Radiobutton_button
 210
 211
 212 def makeDisabledMenu():
 213     Dummy_button = Menubutton(mBar, text='Dead Menu', underline=0)
 214     Dummy_button.pack(side=LEFT, padx='2m')
 215
 216     # this is the standard way of turning off a whole menu
 217     Dummy_button["state"] = DISABLED
 218     return Dummy_button
 219
 220
 221 #################################################
 222 #### Main starts here ...
 223 root = Tk()
 224
 225
 226 # make a menu bar
 227 mBar = Frame(root, relief=RAISED, borderwidth=2)
 228 mBar.pack(fill=X)
 229
 230 Command_button     = makeCommandMenu()
 231 Cascade_button     = makeCascadeMenu()
 232 Checkbutton_button = makeCheckbuttonMenu()
 233 Radiobutton_button = makeRadiobuttonMenu()
 234 NoMenu             = makeDisabledMenu()
 235
 236 # finally, install the buttons in the menu bar.
 237 # This allows for scanning from one menubutton to the next.
 238 mBar.tk_menuBar(Command_button, Cascade_button, Checkbutton_button, Radiobutton_button, NoMenu)
 239
 240
 241 root.title('menu demo')
 242 root.iconname('menu demo')
 243
 244 root.mainloop()
 245
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 250