Source Code for Module NVDAObjects.IAccessible.msOffice

 1  #NVDAObjects/IAccessible/msOffice.py 
 2  #A part of NonVisual Desktop Access (NVDA) 
 3  #This file is covered by the GNU General Public License. 
 4  #See the file COPYING for more details. 
 5  #Copyright (C) 2006-2010 Michael Curran <mick@kulgan.net>, James Teh <jamie@jantrid.net> 
 6   
 7  import oleacc 
 8  import IAccessibleHandler 
 9  import controlTypes 
10  import winUser 
11  import api 
12  from . import IAccessible, getNVDAObjectFromEvent 
13   
14  """Miscellaneous support for Microsoft Office applications. 
15  """ 
16   
17 -class SDM(IAccessible): 
18   
19 -        def _get_name(self): 
20                  name=super(SDM,self).name 
21                  if not name and self.role==controlTypes.ROLE_LISTITEM: 
22                          name=self.displayText 
23                  return name 
24   
25 -        def _get_positionInfo(self): 
26                  if self.role!=controlTypes.ROLE_LISTITEM: 
27                          return {} 
28                  return super(SDM,self).positionInfo 
29   
30 -        def _get_parent(self): 
31                  if self.IAccessibleChildID == 0 and self.role not in (controlTypes.ROLE_DIALOG, controlTypes.ROLE_PROPERTYPAGE, controlTypes.ROLE_WINDOW): 
32                          # SDM child IAccessible objects have a broken accParent. 
33                          # The parent should be the dialog. 
34                          return getNVDAObjectFromEvent(self.windowHandle, winUser.OBJID_CLIENT, 0) 
35                  return super(SDM, self).parent 
36   
37 -        def _get_SDMChild(self): 
38                  if controlTypes.STATE_FOCUSED in self.states: 
39                          hwndFocus=winUser.getGUIThreadInfo(0).hwndFocus 
40                          if hwndFocus and hwndFocus!=self.windowHandle and not winUser.getClassName(hwndFocus).startswith('bosa_sdm'): 
41                                  obj=getNVDAObjectFromEvent(hwndFocus,winUser.OBJID_CLIENT,0) 
42                                  if not obj: return None 
43                                  if getattr(obj,'parentSDMCanOverrideName',True): 
44                                          obj.name=self.name 
45                                  return obj 
46                  return None 
47   
48 -class MSOUNISTAT(IAccessible): 
49   
50 -        def _get_role(self): 
51                  return controlTypes.ROLE_STATICTEXT 
52    
53 -class BrokenMsoCommandBar(IAccessible): 
54          """Work around broken IAccessible implementation for Microsoft Office XP-2003 toolbars. 
55          For these IAccessibles, accNavigate is rather broken 
56          and retrieving only the first child with AccessibleChildren causes a crash. 
57          """ 
58   
59          @classmethod 
60 -        def appliesTo(cls, obj): 
61                  return obj.childCount > 0 and not IAccessibleHandler.accNavigate(obj.IAccessibleObject, obj.IAccessibleChildID, oleacc.NAVDIR_FIRSTCHILD) 
62   
63 -        def _get_firstChild(self): 
64                  # accNavigate incorrectly returns nothing for NAVDIR_FIRSTCHILD and requesting one child with AccessibleChildren causes a crash. 
65                  # Therefore, we must use accChild(1). 
66                  child = IAccessibleHandler.accChild(self.IAccessibleObject, 1) 
67                  if not child: 
68                          return None 
69                  return IAccessible(IAccessibleObject=child[0], IAccessibleChildID=child[1]) 
70   
71          # accNavigate incorrectly returns the first child for NAVDIR_NEXT. 
72          next = None 
73          # description is redundant. 
74          description = None 
75   
76 -        def _get_name(self): 
77                  name = super(BrokenMsoCommandBar, self).name 
78                  if name == "MSO Generic Control Container": 
79                          return None 
80                  return name 
81