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Support for the MSAA implementations of standard IME/TSF candidate li…
…sts. This allows reporting and navigating of candidate lists for most input methods included in Win7 and win8, and some included in XP with TSF emulation turned on. This code replaces the old IME code we had that was extremely broken. This code borrows some ideas from NVDAJP but is still heavily rewritten. Particular input methods tested: Chinese Traditional Taiwan, Microsoft New Phonetic: works in both XP and Win7 Chinese Traditional Taiwan, New ChangJei: Works in win7, not XP Chinese Simplified PRC, Microsoft Pinyin: Works in Win7, not XP Hopefully some Japanese input methods should also work (since NVDAJP makes use of this kind of access).
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| import time | ||
| import oleacc | ||
| import eventHandler | ||
| import controlTypes | ||
| import characterProcessing | ||
| import api | ||
| import speech | ||
| import winUser | ||
| from . import IAccessible | ||
|
|
||
| def reportSelectedCandidate(candidateObject,allowDuplicate=False): | ||
| if not eventHandler.isPendingEvents("gainFocus") and (allowDuplicate or candidateObject!=api.getFocusObject()): | ||
| candidateObject.container.container=api.getDesktopObject().objectWithFocus() | ||
| eventHandler.queueEvent("gainFocus",candidateObject) | ||
|
|
||
| class BaseCandidateItem(IAccessible): | ||
|
|
||
| role=controlTypes.ROLE_GRAPHIC | ||
|
|
||
| def _get_keyboardShortcut(self): | ||
| return "" | ||
|
|
||
| def _get_value(self): | ||
| return super(BaseCandidateItem,self).keyboardShortcut | ||
|
|
||
| def _get_description(self): | ||
| symbol=self.name | ||
| try: | ||
| descriptions=characterProcessing.getCharacterDescription(speech.getCurrentLanguage(),symbol) | ||
| except TypeError: | ||
| descriptions=None | ||
| if descriptions: | ||
| return ", ".join(descriptions) | ||
|
|
||
| class MSCandUI_candidateListItem(BaseCandidateItem): | ||
|
|
||
| def _get_states(self): | ||
| states=super(MSCandUI_candidateListItem,self).states | ||
| if controlTypes.STATE_SELECTED in states: | ||
| states.discard(controlTypes.STATE_SELECTED) | ||
| states.add(controlTypes.STATE_FOCUSED) | ||
| return states | ||
|
|
||
| def event_stateChange(self): | ||
| if controlTypes.STATE_FOCUSED in self.states: | ||
| reportSelectedCandidate(self) | ||
|
|
||
| class MSCandUI21_candidateMenuItem(BaseCandidateItem): | ||
|
|
||
| def doAction(self,index=None): | ||
| if not index: | ||
| l=self.location | ||
| if l: | ||
| x=l[0] | ||
| y=l[1] | ||
| oldX,oldY=winUser.getCursorPos() | ||
| winUser.setCursorPos(x,y) | ||
| winUser.mouse_event(winUser.MOUSEEVENTF_LEFTDOWN,0,0,None,None) | ||
| time.sleep(0.2) | ||
| winUser.mouse_event(winUser.MOUSEEVENTF_LEFTUP,0,0,None,None) | ||
| winUser.setCursorPos(oldX,oldY) | ||
| return | ||
| raise NotImplementedError | ||
|
|
||
| def script_nextItem(self,gesture): | ||
| item=self.next | ||
| if not item or controlTypes.STATE_INVISIBLE in item.states: return | ||
| item=MSCandUI21_candidateMenuItem(IAccessibleObject=item.IAccessibleObject,IAccessibleChildID=item.IAccessibleChildID) | ||
| reportSelectedCandidate(item) | ||
|
|
||
| def script_previousItem(self,gesture): | ||
| item=self.previous | ||
| if not item or controlTypes.STATE_INVISIBLE in item.states: return | ||
| item=MSCandUI21_candidateMenuItem(IAccessibleObject=item.IAccessibleObject,IAccessibleChildID=item.IAccessibleChildID) | ||
| reportSelectedCandidate(item) | ||
|
|
||
| def script_changePage(self,gesture): | ||
| gesture.send() | ||
| api.processPendingEvents() | ||
| item=self.parent.firstChild.next.next | ||
| item=MSCandUI21_candidateMenuItem(IAccessibleObject=item.IAccessibleObject,IAccessibleChildID=item.IAccessibleChildID) | ||
| reportSelectedCandidate(item,allowDuplicate=True) | ||
|
|
||
| def script_activate(self,gesture): | ||
| self.doAction() | ||
|
|
||
| __gestures={ | ||
| "kb:downArrow":"nextItem", | ||
| "kb:upArrow":"previousItem", | ||
| "kb:pageDown":"changePage", | ||
| "kb:pageUp":"changePage", | ||
| "kb:enter":"activate", | ||
| } | ||
|
|
||
| class MSCandUI21(IAccessible): | ||
|
|
||
| def _get_isPresentableFocusAncestor(self): | ||
| return False | ||
|
|
||
| def event_show(self): | ||
| candidateList=self.simpleFirstChild | ||
| if not candidateList: return | ||
| role=candidateList.role | ||
| if role==controlTypes.ROLE_LIST: | ||
| api.setNavigatorObject(candidateList) | ||
| item=candidateList.firstChild | ||
| while item and controlTypes.STATE_FOCUSED not in item.states: | ||
| item=item.next | ||
| if item: | ||
| reportSelectedCandidate(item) | ||
| return | ||
| elif role==controlTypes.ROLE_MENUBUTTON: | ||
| item=candidateList.firstChild.next.next | ||
| item=MSCandUI21_candidateMenuItem(IAccessibleObject=item.IAccessibleObject,IAccessibleChildID=item.IAccessibleChildID) | ||
| reportSelectedCandidate(item) | ||
|
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||
| ###IME 2002 | ||
|
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| class MSCandUIWindow_candidateListItem(MSCandUI_candidateListItem): | ||
|
|
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| def _get_value(self): | ||
| index=self.IAccessibleChildID-2 | ||
| if index>0: | ||
| return unicode(index) | ||
|
|
||
| def _get_next(self): | ||
| childID=self.IAccessibleChildID+1 | ||
| item=self.__class__(IAccessibleObject=self.IAccessibleObject,IAccessibleChildID=childID) | ||
| if item.IAccessibleRole==oleacc.ROLE_SYSTEM_LISTITEM: | ||
| return item | ||
|
|
||
| def _get_previous(self): | ||
| childID=self.IAccessibleChildID-1 | ||
| if childID>=3: | ||
| return self.__class__(IAccessibleObject=self.IAccessibleObject,IAccessibleChildID=childID) | ||
|
|
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| class MSCandUIWindow(IAccessible): | ||
|
|
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| name=_("Candidates") | ||
| role=controlTypes.ROLE_LIST | ||
|
|
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| def _get_states(self): | ||
| states=super(MSCandUIWindow,self).states | ||
| states.discard(controlTypes.STATE_UNAVAILABLE) | ||
| return states | ||
|
|
||
| def event_show(self): | ||
| item=MSCandUIWindow_candidateListItem(IAccessibleObject=self.IAccessibleObject,IAccessibleChildID=3) | ||
| reportSelectedCandidate(item) | ||
|
|
||
| def findExtraOverlayClasses(obj,clsList): | ||
| windowClassName=obj.windowClassName | ||
| role=obj.IAccessibleRole | ||
| if windowClassName=="MSCandUIWindow_Candidate": | ||
| if role==oleacc.ROLE_SYSTEM_CLIENT: | ||
| clsList.append(MSCandUIWindow) | ||
| elif role==oleacc.ROLE_SYSTEM_LISTITEM: | ||
| clsList.append(MSCandUIWindow_candidateListItem) | ||
| elif windowClassName in ("mscandui21.candidate","mscandui40.candidate"): | ||
| if role==oleacc.ROLE_SYSTEM_LISTITEM: | ||
| clsList.append(MSCandUI_candidateListItem) | ||
| elif role==oleacc.ROLE_SYSTEM_CLIENT: | ||
| clsList.append(MSCandUI21) |