Python JABHandler类代码示例

		def Notify(self):
			try:
				JABHandler.pumpAll()
				IAccessibleHandler.pumpAll()
				queueHandler.pumpAll()
				mouseHandler.pumpAll()
			except:
				log.exception("errors in this core pump cycle")
			baseObject.AutoPropertyObject.invalidateCaches()
			watchdog.alive()

def processPendingEvents(processEventQueue=True):
	# Import late to avoid circular import.
	import IAccessibleHandler
	import JABHandler
	import wx
	import queueHandler
	watchdog.alive()
	wx.Yield()
	JABHandler.pumpAll()
	IAccessibleHandler.pumpAll()
	import baseObject
	baseObject.AutoPropertyObject.invalidateCaches()
	if processEventQueue:
		queueHandler.flushQueue(queueHandler.eventQueue)

	def getPossibleAPIClasses(cls,kwargs,relation=None):
		windowHandle=kwargs['windowHandle']
		windowClassName=winUser.getClassName(windowHandle)
		#The desktop window should stay as a window
		if windowClassName=="#32769":
			return
		#If this window has a ghost window its too dangerous to try any higher APIs 
		if GhostWindowFromHungWindow and GhostWindowFromHungWindow(windowHandle):
			return
		if windowClassName=="EXCEL7" and (relation=='focus' or isinstance(relation,tuple)): 
			from . import excel
			yield excel.ExcelCell 
		if windowClassName=="EXCEL:":
			from .excel import ExcelDropdown as newCls
			yield newCls
		import JABHandler
		if JABHandler.isJavaWindow(windowHandle):
			import NVDAObjects.JAB
			yield NVDAObjects.JAB.JAB 
		import UIAHandler
		if UIAHandler.handler and UIAHandler.handler.isUIAWindow(windowHandle):
			import NVDAObjects.UIA
			yield NVDAObjects.UIA.UIA
		import NVDAObjects.IAccessible
		yield NVDAObjects.IAccessible.IAccessible

def processFocusWinEvent(window,objectID,childID,force=False):
	"""checks to see if the focus win event is not the same as the existing focus, 
	then converts the win event to an NVDA event (instanciating an NVDA Object) then calls processFocusNVDAEvent. If all is ok it returns True.
	@type window: integer
	@param objectID: a win event's object ID
	@type objectID: integer
	@param childID: a win event's child ID
	@type childID: integer
	@param force: If True, the shouldAllowIAccessibleFocusEvent property of the object is ignored.
	@type force: boolean
	@returns: True if the focus is valid and was handled, False otherwise.
	@rtype: boolean
	"""
	windowClassName=winUser.getClassName(window)
	# Generally, we must ignore focus on child windows of SDM windows as we only want the SDM MSAA events.
	# However, we don't want to ignore focus if the child ID isn't 0,
	# as this is a child control and the SDM MSAA events don't handle child controls.
	if childID==0 and not windowClassName.startswith('bosa_sdm') and winUser.getClassName(winUser.getAncestor(window,winUser.GA_PARENT)).startswith('bosa_sdm'):
		return False
	rootWindow=winUser.getAncestor(window,winUser.GA_ROOT)
	# If this window is not within the foreground window and this window or its root window is not a popup window, and this window's root window is not the highest in the z-order
	if not winUser.isDescendantWindow(winUser.getForegroundWindow(),window) and not (winUser.getWindowStyle(window) & winUser.WS_POPUP or winUser.getWindowStyle(rootWindow)&winUser.WS_POPUP) and winUser.getPreviousWindow(rootWindow)!=0: 
		# This is a focus event from a background window, so ignore it.
		return False
	#Notify appModuleHandler of this new foreground window
	appModuleHandler.update(winUser.getWindowThreadProcessID(window)[0])
	#If Java access bridge is running, and this is a java window, then pass it to java and forget about it
	if JABHandler.isRunning and JABHandler.isJavaWindow(window):
		JABHandler.event_enterJavaWindow(window)
		return True
	#Convert the win event to an NVDA event
	NVDAEvent=winEventToNVDAEvent(winUser.EVENT_OBJECT_FOCUS,window,objectID,childID,useCache=False)
	if not NVDAEvent:
		return False
	eventName,obj=NVDAEvent
	if (childID==0 and obj.IAccessibleRole==oleacc.ROLE_SYSTEM_LIST) or (objectID==winUser.OBJID_CLIENT and "SysListView32" in obj.windowClassName):
		# Some controls incorrectly fire focus on child ID 0, even when there is a child with focus.
		try:
			realChildID=obj.IAccessibleObject.accFocus
		except:
			realChildID=None
		if isinstance(realChildID,int) and realChildID>0 and realChildID!=childID:
			realObj=NVDAObjects.IAccessible.IAccessible(IAccessibleObject=obj.IAccessibleObject,IAccessibleChildID=realChildID,event_windowHandle=window,event_objectID=objectID,event_childID=realChildID)
			if realObj:
				obj=realObj
	return processFocusNVDAEvent(obj,force=force)

	def doAction(self, index=None):
		if index is None:
			index = self.defaultActionIndex
		try:
			JABHandler.bridgeDll.doAccessibleActions(self.jabContext.vmID, self.jabContext.accContext,
				JABHandler.AccessibleActionsToDo(actionsCount=1, actions=(self._actions[index],)),
				JABHandler.jint())
		except (IndexError, RuntimeError):
			raise NotImplementedError

		def run(self):
			global _isPumpPending
			_isPumpPending = False
			watchdog.alive()
			try:
				if touchHandler.handler:
					touchHandler.handler.pump()
				JABHandler.pumpAll()
				IAccessibleHandler.pumpAll()
				queueHandler.pumpAll()
				mouseHandler.pumpAll()
				braille.pumpAll()
			except:
				log.exception("errors in this core pump cycle")
			baseObject.AutoPropertyObject.invalidateCaches()
			watchdog.asleep()
			if _isPumpPending and not _pump.IsRunning():
				# #3803: Another pump was requested during this pump execution.
				# As our pump is not re-entrant, schedule another pump.
				_pump.Start(PUMP_MAX_DELAY, True)

def processForegroundWinEvent(window,objectID,childID):
	"""checks to see if the foreground win event is not the same as the existing focus or any of its parents, 
	then converts the win event to an NVDA event (instanciating an NVDA Object) and then checks the NVDAObject against the existing focus object. 
	If all is ok it queues the foreground event to NVDA and returns True.
	@param window: a win event's window handle
	@type window: integer
	@param objectID: a win event's object ID
	@type objectID: integer
	@param childID: a win event's child ID
	@type childID: integer
	@returns: True if the foreground was processed, False otherwise.
	@rtype: boolean
	"""
	#Ignore foreground events on windows that aren't the current foreground window
	if window!=winUser.getForegroundWindow():
		return False
	# If there is a pending gainFocus, it will handle the foreground object.
	oldFocus=eventHandler.lastQueuedFocusObject
	#If this foreground win event's window is an ancestor of the existing focus's window, then ignore it
	if isinstance(oldFocus,NVDAObjects.window.Window) and winUser.isDescendantWindow(window,oldFocus.windowHandle):
		return False
	#If the existing focus has the same win event params as these, then ignore this event
	if isinstance(oldFocus,NVDAObjects.IAccessible.IAccessible) and window==oldFocus.event_windowHandle and objectID==oldFocus.event_objectID and childID==oldFocus.event_childID:
		return False
	#Notify appModuleHandler of this new foreground window
	appModuleHandler.update(winUser.getWindowThreadProcessID(window)[0])
	#If Java access bridge is running, and this is a java window, then pass it to java and forget about it
	if JABHandler.isRunning and JABHandler.isJavaWindow(window):
		JABHandler.event_enterJavaWindow(window)
		return True
	#Convert the win event to an NVDA event
	NVDAEvent=winEventToNVDAEvent(winUser.EVENT_SYSTEM_FOREGROUND,window,objectID,childID,useCache=False)
	if not NVDAEvent:
		return False
	eventHandler.queueEvent(*NVDAEvent)
	return True

	def getPossibleAPIClasses(cls,kwargs,relation=None):
		windowHandle=kwargs['windowHandle']
		windowClassName=winUser.getClassName(windowHandle)
		#The desktop window should stay as a window
		if windowClassName=="#32769":
			return
		if windowClassName=="EXCEL7" and (relation=='focus' or isinstance(relation,tuple)): 
			from . import excel
			yield excel.ExcelCell 
		import JABHandler
		if JABHandler.isJavaWindow(windowHandle):
			import NVDAObjects.JAB
			yield NVDAObjects.JAB.JAB 
		import UIAHandler
		if UIAHandler.handler and UIAHandler.handler.isUIAWindow(windowHandle):
			import NVDAObjects.UIA
			yield NVDAObjects.UIA.UIA
		import NVDAObjects.IAccessible
		yield NVDAObjects.IAccessible.IAccessible

#.........这里部分代码省略.........
				ui.message(_("Not charging battery. %d percent") %sps.BatteryLifePercent)

	messageWindow = MessageWindow(unicode(versionInfo.name))

	# initialize wxpython localization support
	locale = wx.Locale()
	lang=languageHandler.getLanguage()
	wxLang=locale.FindLanguageInfo(lang)
	if not wxLang and '_' in lang:
		wxLang=locale.FindLanguageInfo(lang.split('_')[0])
	if hasattr(sys,'frozen'):
		locale.AddCatalogLookupPathPrefix(os.path.join(os.getcwdu(),"locale"))
	# #8064: Wx might know the language, but may not actually contain a translation database for that language.
	# If we try to initialize this language, wx will show a warning dialog.
	# Therefore treat this situation like wx not knowing the language at all.
	if not locale.IsAvailable(wxLang.Language):
		wxLang=None
	if wxLang:
		try:
			locale.Init(wxLang.Language)
		except:
			log.error("Failed to initialize wx locale",exc_info=True)
	else:
		log.debugWarning("wx does not support language %s" % lang)

	import api
	import winUser
	import NVDAObjects.window
	desktopObject=NVDAObjects.window.Window(windowHandle=winUser.getDesktopWindow())
	api.setDesktopObject(desktopObject)
	api.setFocusObject(desktopObject)
	api.setNavigatorObject(desktopObject)
	api.setMouseObject(desktopObject)
	import JABHandler
	log.debug("initializing Java Access Bridge support")
	try:
		JABHandler.initialize()
	except NotImplementedError:
		log.warning("Java Access Bridge not available")
	except:
		log.error("Error initializing Java Access Bridge support", exc_info=True)
	import winConsoleHandler
	log.debug("Initializing winConsole support")
	winConsoleHandler.initialize()
	import UIAHandler
	log.debug("Initializing UIA support")
	try:
		UIAHandler.initialize()
	except NotImplementedError:
		log.warning("UIA not available")
	except:
		log.error("Error initializing UIA support", exc_info=True)
	import IAccessibleHandler
	log.debug("Initializing IAccessible support")
	IAccessibleHandler.initialize()
	log.debug("Initializing input core")
	import inputCore
	inputCore.initialize()
	import keyboardHandler
	log.debug("Initializing keyboard handler")
	keyboardHandler.initialize()
	import mouseHandler
	log.debug("initializing mouse handler")
	mouseHandler.initialize()
	import touchHandler
	log.debug("Initializing touchHandler")

#.........这里部分代码省略.........
	import braille
	log.debug("Initializing braille")
	braille.initialize()
	log.debug("Initializing braille input")
	import brailleInput
	brailleInput.initialize()
	import displayModel
	log.debug("Initializing displayModel")
	displayModel.initialize()
	log.debug("Initializing GUI")
	import gui
	gui.initialize()
	# initialize wxpython localization support
	locale = wx.Locale()
	lang=languageHandler.getLanguage()
	if '_' in lang:
		wxLang=lang.split('_')[0]
	else:
		wxLang=lang
	if hasattr(sys,'frozen'):
		locale.AddCatalogLookupPathPrefix(os.path.join(os.getcwdu(),"locale"))
	try:
		locale.Init(lang,wxLang)
	except:
		pass
	import api
	import winUser
	import NVDAObjects.window
	desktopObject=NVDAObjects.window.Window(windowHandle=winUser.getDesktopWindow())
	api.setDesktopObject(desktopObject)
	api.setFocusObject(desktopObject)
	api.setNavigatorObject(desktopObject)
	api.setMouseObject(desktopObject)
	import JABHandler
	log.debug("initializing Java Access Bridge support")
	try:
		JABHandler.initialize()
	except NotImplementedError:
		log.warning("Java Access Bridge not available")
	except:
		log.error("Error initializing Java Access Bridge support", exc_info=True)
	import winConsoleHandler
	log.debug("Initializing winConsole support")
	winConsoleHandler.initialize()
	import UIAHandler
	log.debug("Initializing UIA support")
	try:
		UIAHandler.initialize()
	except NotImplementedError:
		log.warning("UIA not available")
	except:
		log.error("Error initializing UIA support", exc_info=True)
	import IAccessibleHandler
	log.debug("Initializing IAccessible support")
	IAccessibleHandler.initialize()
	log.debug("Initializing input core")
	import inputCore
	inputCore.initialize()
	import keyboardHandler
	log.debug("Initializing keyboard handler")
	keyboardHandler.initialize()
	import mouseHandler
	log.debug("initializing mouse handler")
	mouseHandler.initialize()
	import touchHandler
	log.debug("Initializing touchHandler")