8 class MainMenuBar(Pmw.MegaArchetype):
10 def __init__(self, parent = None, **kw):
12 # Define the megawidget options.
15 ('balloon', None, None),
16 ('hotkeys', 1, INITOPT),
17 ('hull_tearoff', 0, None),
19 self.defineoptions(kw, optiondefs, dynamicGroups = ('Menu',))
21 # Initialise the base class (after defining the options).
22 Pmw.MegaArchetype.__init__(self, parent, Tkinter.Menu)
25 self._menuInfo[None] = (None, [])
26 # Map from a menu name to a tuple of information about the menu.
27 # The first item in the tuple is the name of the parent menu (for
28 # toplevel menus this is None). The second item in the tuple is
29 # a list of status help messages for each item in the menu.
30 # The key for the information for the main menubar is None.
32 self._menu = self.interior()
33 self._menu.bind('<Leave>', self._resetHelpmessage)
34 self._menu.bind('<Motion>',
35 lambda event=None, self=self: self._menuHelp(event, None))
37 # Check keywords and initialise options.
38 self.initialiseoptions()
40 def deletemenuitems(self, menuName, start, end = None):
41 self.component(menuName).delete(start, end)
43 del self._menuInfo[menuName][1][start]
45 self._menuInfo[menuName][1][start:end+1] = []
47 def deletemenu(self, menuName):
48 """Delete should be called for cascaded menus before main menus.
51 parentName = self._menuInfo[menuName][0]
52 del self._menuInfo[menuName]
53 if parentName is None:
54 parentMenu = self._menu
56 parentMenu = self.component(parentName)
58 menu = self.component(menuName)
60 for item in range(parentMenu.index('end') + 1):
61 if parentMenu.type(item) == 'cascade':
62 itemMenu = str(parentMenu.entrycget(item, 'menu'))
63 if itemMenu == menuId:
64 parentMenu.delete(item)
65 del self._menuInfo[parentName][1][item]
68 self.destroycomponent(menuName)
71 for index in range(len(self._menuInfo[None][1])):
72 self.entryconfigure(index, state = 'disabled')
75 for index in range(len(self._menuInfo[None][1])):
76 self.entryconfigure(index, state = 'normal')
78 def addmenu(self, menuName, balloonHelp, statusHelp = None,
79 traverseSpec = None, **kw):
80 if statusHelp is None:
81 statusHelp = balloonHelp
82 self._addmenu(None, menuName, balloonHelp, statusHelp,
85 def addcascademenu(self, parentMenuName, menuName, statusHelp='',
86 traverseSpec = None, **kw):
87 self._addmenu(parentMenuName, menuName, None, statusHelp,
90 def _addmenu(self, parentMenuName, menuName, balloonHelp, statusHelp,
93 if (menuName) in self.components():
94 raise ValueError, 'menu "%s" already exists' % menuName
97 if kw.has_key('tearoff'):
98 menukw['tearoff'] = kw['tearoff']
101 menukw['tearoff'] = 0
102 if kw.has_key('name'):
103 menukw['name'] = kw['name']
106 if not kw.has_key('label'):
107 kw['label'] = menuName
109 self._addHotkeyToOptions(parentMenuName, kw, traverseSpec)
111 if parentMenuName is None:
112 parentMenu = self._menu
113 balloon = self['balloon']
114 # Bug in Tk: balloon help not implemented
115 # if balloon is not None:
116 # balloon.mainmenubind(parentMenu, balloonHelp, statusHelp)
118 parentMenu = self.component(parentMenuName)
120 apply(parentMenu.add_cascade, (), kw)
122 menu = apply(self.createcomponent, (menuName,
124 Tkinter.Menu, (parentMenu,)), menukw)
125 parentMenu.entryconfigure('end', menu = menu)
127 self._menuInfo[parentMenuName][1].append(statusHelp)
128 self._menuInfo[menuName] = (parentMenuName, [])
130 menu.bind('<Leave>', self._resetHelpmessage)
131 menu.bind('<Motion>',
132 lambda event=None, self=self, menuName=menuName:
133 self._menuHelp(event, menuName))
135 def addmenuitem(self, menuName, itemType, statusHelp = '',
136 traverseSpec = None, **kw):
138 menu = self.component(menuName)
139 if itemType != 'separator':
140 self._addHotkeyToOptions(menuName, kw, traverseSpec)
142 if itemType == 'command':
143 command = menu.add_command
144 elif itemType == 'separator':
145 command = menu.add_separator
146 elif itemType == 'checkbutton':
147 command = menu.add_checkbutton
148 elif itemType == 'radiobutton':
149 command = menu.add_radiobutton
150 elif itemType == 'cascade':
151 command = menu.add_cascade
153 raise ValueError, 'unknown menuitem type "%s"' % itemType
155 self._menuInfo[menuName][1].append(statusHelp)
156 apply(command, (), kw)
158 def _addHotkeyToOptions(self, menuName, kw, traverseSpec):
160 if (not self['hotkeys'] or kw.has_key('underline') or
161 not kw.has_key('label')):
164 if type(traverseSpec) == types.IntType:
165 kw['underline'] = traverseSpec
171 menu = self.component(menuName)
173 end = menu.index('end')
175 for item in range(end + 1):
176 if menu.type(item) not in ('separator', 'tearoff'):
178 string.atoi(str(menu.entrycget(item, 'underline')))
180 label = str(menu.entrycget(item, 'label'))
181 if underline < len(label):
182 hotkey = string.lower(label[underline])
183 if hotkey not in hotkeyList:
184 hotkeyList.append(hotkey)
188 if type(traverseSpec) == types.StringType:
189 lowerLetter = string.lower(traverseSpec)
190 if traverseSpec in name and lowerLetter not in hotkeyList:
191 kw['underline'] = string.index(name, traverseSpec)
193 targets = string.digits + string.letters
194 lowerName = string.lower(name)
195 for letter_index in range(len(name)):
196 letter = lowerName[letter_index]
197 if letter in targets and letter not in hotkeyList:
198 kw['underline'] = letter_index
201 def _menuHelp(self, event, menuName):
204 index = menu.index('@%d'% event.x)
206 menu = self.component(menuName)
207 index = menu.index('@%d'% event.y)
209 balloon = self['balloon']
210 if balloon is not None:
212 balloon.showstatus('')
214 if str(menu.cget('tearoff')) == '1':
217 help = self._menuInfo[menuName][1][index]
218 balloon.showstatus(help)
220 def _resetHelpmessage(self, event=None):
221 balloon = self['balloon']
222 if balloon is not None:
223 balloon.clearstatus()
225 Pmw.forwardmethods(MainMenuBar, Tkinter.Menu, '_hull')