def event_UIA_elementSelected(self, obj, nextHandler):
		# #7273: When this is fired on categories, the first emoji from the new category is selected but not announced.
		# Therefore, move the navigator object to that item if possible.
		# However, in recent builds, name change event is also fired.
		# For consistent experience, report the new category first by traversing through controls.
		# #8189: do not announce candidates list itself (not items), as this is repeated each time candidate items are selected.
		if obj.UIAElement.cachedAutomationID == "CandidateList": return
		speech.cancelSpeech()
		# Sometimes clipboard candidates list gets selected, so ask NvDA to descend one more level.
		if obj.UIAElement.cachedAutomationID == "TEMPLATE_PART_ClipboardItemsList":
			obj = obj.firstChild
		candidate = obj
		# Sometimes, due to bad tree traversal, something other than the selected item sees this event.
		parent = obj.parent
		if obj.UIAElement.cachedClassName == "ListViewItem" and isinstance(parent, UIA) and parent.UIAElement.cachedAutomationID != "TEMPLATE_PART_ClipboardItemsList":
			# The difference between emoji panel and suggestions list is absence of categories/emoji separation.
			# Turns out automation ID for the container is different, observed in build 17666 when opening clipboard copy history.
			candidate = obj.parent.previous
			if candidate is not None:
				# Emoji categories list.
				ui.message(candidate.name)
				obj = candidate.firstChild
		if obj is not None:
			api.setNavigatorObject(obj)
			obj.reportFocus()
			braille.handler.message(braille.getBrailleTextForProperties(name=obj.name, role=obj.role, positionInfo=obj.positionInfo))
			# Cache selected item.
			self._recentlySelected = obj.name
		else:
			# Translators: presented when there is no emoji when searching for one in Windows 10 Fall Creators Update and later.
			ui.message(_("No emoji"))
		nextHandler()
示例#2
0
	def event_appModule_gainFocus(self):
		inputCore.manager._captureFunc = self._inputCaptor
		if not config.conf["reviewCursor"]["followFocus"]:
			# Move the review cursor so others can't access its previous position.
			self._oldReviewPos = api.getReviewPosition()
			self._oldReviewObj = self._oldReviewPos.obj
			api.setNavigatorObject(eventHandler.lastQueuedFocusObject)
示例#3
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def readObjectsHelper_generator(obj):
	lastSentIndex=0
	lastReceivedIndex=0
	speechGen=generateObjectSubtreeSpeech(obj,itertools.count())
	objIndexMap={}
	keepReading=True
	while True:
		# lastReceivedIndex might be None if other speech was interspersed with this say all.
		# In this case, we want to send more text in case this was the last chunk spoken.
		if lastReceivedIndex is None or (lastSentIndex-lastReceivedIndex)<=1:
			if keepReading:
				try:
					o,lastSentIndex=speechGen.next()
				except StopIteration:
					keepReading=False
					continue
				objIndexMap[lastSentIndex]=o
		receivedIndex=speech.getLastSpeechIndex()
		if receivedIndex!=lastReceivedIndex and (lastReceivedIndex!=0 or receivedIndex!=None): 
			lastReceivedIndex=receivedIndex
			lastReceivedObj=objIndexMap.get(lastReceivedIndex)
			if lastReceivedObj is not None:
				api.setNavigatorObject(lastReceivedObj)
			#Clear old objects from the map
			for i in objIndexMap.keys():
				if i<=lastReceivedIndex:
					del objIndexMap[i]
		while speech.isPaused:
			yield
		yield
	def script_reportStatusLine(self, gesture):
		#it seems that the status bar is the last child of the forground object
		#so, get it from there
		obj = api.getForegroundObject().lastChild
		found=False
		if obj and obj.role == controlTypes.ROLE_STATUSBAR:
			text = api.getStatusBarText(obj)
			api.setNavigatorObject(obj)
			found=True
		else:
			info=api.getForegroundObject().flatReviewPosition
			if info:
				info.expand(textInfos.UNIT_STORY)
				info.collapse(True)
				info.expand(textInfos.UNIT_LINE)
				text=info.text
				info.collapse()
				api.setReviewPosition(info)
				found=True
		if not found:
			# Translators: Reported when there is no status line for the current program or window.
			ui.message(_("No status line found"))
			return
		if scriptHandler.getLastScriptRepeatCount()==0:
			ui.message(text)
		else:
			speech.speakSpelling(text)
	def _reportSelectedEntry(self):
		obj = self._getSelectedEntry()
		if obj is None:
			return
		self._reportFocusEnteredEventForParent(obj)
		api.setNavigatorObject(obj)
		obj.reportFocus()
示例#6
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	def reviewRecentMessage(self, index):
		count = self._getMessageCount()
		if index > count:
			# Translators: This is presented to inform the user that no instant message has been received.
			ui.message(_("No message yet"))
			return
		message = self.getChild(count - index)
		api.setNavigatorObject(message)
		self.reportMessage(message.name)
示例#7
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	def _moveToColumn(self, obj):
		if not obj:
			ui.message(_("edge of table"))
			return
		if obj is not self:
			# Use the focused copy of the row as the parent for all cells to make comparison faster.
			obj.parent = self
		api.setNavigatorObject(obj)
		speech.speakObject(obj, reason=controlTypes.REASON_FOCUS)
示例#8
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	def event_UIA_elementSelected(self):
		# Build 17600 series introduces Sets, a way to group apps into tabs.
		# #45: unfortunately, the start page for this (an embedded searchui process inside Edge) says controller for list is empty when in fact it isn't.
		# Thankfully, it is easy to spot them: if a link is next to results list, then this is the embedded searchui results list.
		focusControllerFor=api.getFocusObject().controllerFor
		announceSuggestions = ((len(focusControllerFor)>0 and focusControllerFor[0].appModule is self.appModule and self.name) or self.parent.next is not None)
		if announceSuggestions:
			speech.cancelSpeech()
			api.setNavigatorObject(self)
			self.reportFocus()
	def script_navigatorObject_moveToObjectAtFlatReviewPosition(self,gesture):
		pos=api.getReviewPosition()
		try:
			obj=pos.NVDAObjectAtStart
		except NotImplementedError:
			obj=None
		if obj and obj!=pos.obj:
			api.setNavigatorObject(obj)
			speech.speakObject(obj)
		else:
			speech.speakMessage(_("No object at flat review position"))
示例#10
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	def event_gainFocus(self, obj, nextHandler):
		global intelliSenseLastFocused
		global lastFocusedIntelliSenseItem
		if obj.name == "Text Editor" and obj.role == controlTypes.ROLE_EDITABLETEXT:
			if _isCompletionPopupShowing():
				api.setNavigatorObject(lastFocusedIntelliSenseItem)
				intelliSenseLastFocused = True
				return 
		intelliSenseLastFocused = False
		lastFocusedIntelliSenseItem = None
		nextHandler()
示例#11
0
	def script_navigatorObject_firstChild(self,gesture):
		curObject=api.getNavigatorObject()
		if not isinstance(curObject,NVDAObject):
			speech.speakMessage(_("no navigator object"))
			return
		simpleReviewMode=config.conf["reviewCursor"]["simpleReviewMode"]
		curObject=curObject.simpleFirstChild if simpleReviewMode else curObject.firstChild
		if curObject is not None:
			api.setNavigatorObject(curObject)
			speech.speakObject(curObject,reason=speech.REASON_QUERY)
		else:
			speech.speakMessage(_("No children"))
示例#12
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	def script_reportStatusLine(self,gesture):
		obj = api.getStatusBar()
		if not obj:
			ui.message(_("no status bar found"))
			return
		text = api.getStatusBarText(obj)

		if scriptHandler.getLastScriptRepeatCount()==0:
			ui.message(text)
		else:
			speech.speakSpelling(text)
		api.setNavigatorObject(obj)
	def event_gainFocus(self, obj, nextHandler):
		global intelliSenseLastFocused, lastFocusedIntelliSenseItem
		if isinstance(obj, UIA) and obj.UIAElement.currentClassName == "WpfTextView" and obj.role == controlTypes.ROLE_EDITABLETEXT:
			# in many cases, the editor fire focus events when intelliSense menu is opened, which leads to a lengthy announcements after reporting the current intelliSense item
			#so, allow the focus to return to the editor if that happens, but don't report the focus event, and set the navigator object to be last reported intelliSense item to allow the user to review
			if self._isCompletionPopupShowing():
				api.setNavigatorObject(lastFocusedIntelliSenseItem)
				return 
		if self._shouldIgnoreFocusEvent(obj):
			return 
		intelliSenseLastFocused = False
		lastFocusedIntelliSenseItem = None
		nextHandler()
	def readTrainingText(self):
		window = api.getForegroundObject()
		for descendant in window.recursiveDescendants:
			if not isinstance(descendant, UIA):
				continue
			try:
				automationID = descendant.UIAElement.currentAutomationID
			except:
				continue
			if automationID == "txttrain":
				api.setNavigatorObject(descendant)
				ui.message(descendant.name)
				break
示例#15
0
文件: eclipse.py 项目: ehollig/nvda
	def script_readDocumentation(self, gesture):
		rootDocumentationWindow = None

		# If there aren't any suggestion selected, there is no way to find quick documentation
		if not self.appModule.selectedItem:
			gesture.send()
			return

		# Try to locate the documentation document
		try:
			rootDocumentationWindow = self.appModule.selectedItem.parent.parent.parent.parent.previous.previous
		except AttributeError:
			pass

		# In XML documents this is different, maybe in other editors too
		# so we try to locate the root window again
		if not rootDocumentationWindow or not rootDocumentationWindow.appModule == self.appModule:
			try:
				rootDocumentationWindow = self.appModule.selectedItem.parent.parent.parent.parent.previous
			except AttributeError:
				pass

		# Check if this object is from the same appModule
		if rootDocumentationWindow and rootDocumentationWindow.appModule == self.appModule:
			api.setNavigatorObject(rootDocumentationWindow)
			
			documentObj = rootDocumentationWindow

			while documentObj:
				if documentObj.firstChild:
					documentObj = documentObj.firstChild

					# In some editors the help document is a HTML ones
					# On XML documents, for example, it is a simple read-only editable text
					if documentObj.role in (controlTypes.ROLE_DOCUMENT, controlTypes.ROLE_EDITABLETEXT):
						break
				else:
					break

			if documentObj.role == controlTypes.ROLE_DOCUMENT:
				api.setNavigatorObject(documentObj)
				braille.handler.handleReviewMove()
				sayAllHandler.readText(sayAllHandler.CURSOR_REVIEW)

			elif documentObj.role == controlTypes.ROLE_EDITABLETEXT:
				ui.message(documentObj.value)

		else:
			# Translators: When the help popup cannot be found for the selected autocompletion item
			ui.message(_("Cann't find the documentation window."))
	def _set_passThrough(self, state):
		if self._passThrough == state:
			return
		self._passThrough = state
		if state:
			if config.conf['reviewCursor']['followFocus']:
				focusObj=api.getFocusObject()
				if self is focusObj.treeInterceptor:
					api.setNavigatorObject(focusObj)
			braille.handler.handleGainFocus(api.getFocusObject())
		else:
			obj=api.getNavigatorObject()
			if config.conf['reviewCursor']['followCaret'] and self is obj.treeInterceptor: 
				api.setNavigatorObject(self.rootNVDAObject)
			braille.handler.handleGainFocus(self)
示例#17
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	def moveTo(self,x,y,new=False,unit=textInfos.UNIT_LINE):
		obj=api.getDesktopObject().objectFromPoint(x,y)
		prevObj=None
		while obj  and obj.beTransparentToMouse:
			prevObj=obj
			obj=obj.parent
		if not obj or (obj.presentationType!=obj.presType_content and obj.role!=controlTypes.ROLE_PARAGRAPH):
			obj=prevObj
		if not obj:
			return
		hasNewObj=False
		if obj!=self._obj:
			self._obj=obj
			hasNewObj=True
			if self.updateReview:
				api.setNavigatorObject(obj)
		else:
			obj=self._obj
		pos=None
		if obj.treeInterceptor:
			try:
				pos=obj.treeInterceptor.makeTextInfo(obj)
			except LookupError:
				pos=None
			if pos:
				obj=obj.treeInterceptor.rootNVDAObject
				if hasNewObj and self._obj and obj.treeInterceptor is self._obj.treeInterceptor:
					hasNewObj=False 
		if not pos:
			try:
				pos=obj.makeTextInfo(textInfos.Point(x,y))
			except (NotImplementedError,LookupError):
				pass
			if pos: pos.expand(unit)
		if pos and self.updateReview:
			api.setReviewPosition(pos)
		speechCanceled=False
		if hasNewObj:
			speech.cancelSpeech()
			speechCanceled=True
			speech.speakObject(obj)
		if pos  and (new or not self._pos or pos.__class__!=self._pos.__class__ or pos.compareEndPoints(self._pos,"startToStart")!=0 or pos.compareEndPoints(self._pos,"endToEnd")!=0):
				self._pos=pos
				if not speechCanceled:
					speech.cancelSpeech()
				speech.speakTextInfo(pos,reason=controlTypes.REASON_CARET)
示例#18
0
	def event_show(self):
		candidateList=self.simpleFirstChild
		if not candidateList: return
		role=candidateList.role
		if role==controlTypes.ROLE_LIST:
			item=candidateList.firstChild
			while item and controlTypes.STATE_SELECTED not in item.states:
				item=item.next
			if item:
				reportSelectedCandidate(item)
				return
			elif config.conf["reviewCursor"]["followFocus"]:
				api.setNavigatorObject(candidateList, isFocus=True)
		elif role==controlTypes.ROLE_MENUBUTTON:
			item=candidateList.firstChild.next.next
			item=MSCandUI21_candidateMenuItem(IAccessibleObject=item.IAccessibleObject,IAccessibleChildID=item.IAccessibleChildID)
			if item and isinstance(item.candidateNumber,int) and item.name:
				reportSelectedCandidate(item)
示例#19
0
def readObjectsHelper_generator(obj):
	levelsIndexMap={}
	updateObj=obj
	keepReading=True
	keepUpdating=True
	indexCount=0
	lastSpokenIndex=0
	endIndex=0
	while keepUpdating:
		while speech.isPaused:
			yield
			continue
		if keepReading:
			speech.speakObject(obj,index=indexCount,reason=speech.REASON_SAYALL)
			up=[]
			down=[]
			obj=obj.getNextInFlow(up=up,down=down)
			if not obj:
				endIndex=indexCount
				keepReading=False
			indexCount+=1
			levelsIndexMap[indexCount]=(len(up),len(down))
		spokenIndex=speech.getLastSpeechIndex()
		if spokenIndex is None:
			spokenIndex=0
		for count in range(spokenIndex-lastSpokenIndex):
			upLen,downLen=levelsIndexMap.get(lastSpokenIndex+count+1,(0,0))
			if upLen==0 and downLen==0:
				tones.beep(880,50)
			if upLen>0:
				for count in range(upLen+1):
					tones.beep(880*(1.25**count),50)
					time.sleep(0.025)
			if downLen>0:
				for count in range(downLen+1):
					tones.beep(880/(1.25**count),50)
					time.sleep(0.025)
			updateObj=updateObj.nextInFlow
			api.setNavigatorObject(updateObj)
		if not keepReading and spokenIndex>=endIndex:
			keepUpdating=False
		lastSpokenIndex=spokenIndex
		yield
示例#20
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	def _set_passThrough(self, state):
		if self._passThrough == state:
			return
		self._passThrough = state
		if state:
			if config.conf['reviewCursor']['followFocus']:
				focusObj=api.getFocusObject()
				if self is focusObj.treeInterceptor:
					if review.getCurrentMode()=='document':
						# if focus is in this treeInterceptor and review mode is document, turning on passThrough should force object review
						review.setCurrentMode('object')
					api.setNavigatorObject(focusObj)
			braille.handler.handleGainFocus(api.getFocusObject())
		else:
			obj=api.getNavigatorObject()
			if config.conf['reviewCursor']['followCaret'] and self is obj.treeInterceptor: 
				if review.getCurrentMode()=='object':
					# if navigator object is in this treeInterceptor and the review mode is object, then turning off passThrough should force document review 
					review.setCurrentMode('document',True)
			braille.handler.handleGainFocus(self)
示例#21
0
	def event_UIA_elementSelected(self):
		speech.cancelSpeech()
		api.setNavigatorObject(self)
		self.reportFocus()
示例#22
0
	def script_moveNavigatorObjectToMouse(self,gesture):
		ui.message(_("Move navigator object to mouse"))
		obj=api.getMouseObject()
		api.setNavigatorObject(obj)
		speech.speakObject(obj)
	def event_UIA_elementSelected(self):
		focusControllerFor=api.getFocusObject().controllerFor
		if len(focusControllerFor)>0 and focusControllerFor[0].appModule is self.appModule and self.name:
			speech.cancelSpeech()
			api.setNavigatorObject(self)
			self.reportFocus()
示例#24
0
def main():
	"""NVDA's core main loop.
This initializes all modules such as audio, IAccessible, keyboard, mouse, and GUI. Then it initialises the wx application object and installs the core pump timer, which checks the queues and executes functions every 1 ms. Finally, it starts the wx main loop.
"""
	log.debug("Core starting")
	import config
	if not globalVars.appArgs.configPath:
		globalVars.appArgs.configPath=config.getUserDefaultConfigPath(useInstalledPathIfExists=globalVars.appArgs.launcher)
	#Initialize the config path (make sure it exists)
	config.initConfigPath()
	log.info("Config dir: %s"%os.path.abspath(globalVars.appArgs.configPath))
	log.debug("loading config")
	import config
	config.load()
	if not globalVars.appArgs.minimal:
		try:
			nvwave.playWaveFile("waves\\start.wav")
		except:
			pass
	logHandler.setLogLevelFromConfig()
	try:
		lang = config.conf["general"]["language"]
		import languageHandler
		log.debug("setting language to %s"%lang)
		languageHandler.setLanguage(lang)
	except:
		log.warning("Could not set language to %s"%lang)
	import versionInfo
	log.info("NVDA version %s" % versionInfo.version)
	log.info("Using Windows version %r" % (sys.getwindowsversion(),))
	log.info("Using Python version %s"%sys.version)
	log.info("Using comtypes version %s"%comtypes.__version__)
	# Set a reasonable timeout for any socket connections NVDA makes.
	import socket
	socket.setdefaulttimeout(10)
	log.debug("Initializing addons system.")
	addonHandler.initialize()
	import appModuleHandler
	log.debug("Initializing appModule Handler")
	appModuleHandler.initialize()
	import NVDAHelper
	log.debug("Initializing NVDAHelper")
	NVDAHelper.initialize()
	import speechDictHandler
	log.debug("Speech Dictionary processing")
	speechDictHandler.initialize()
	import speech
	log.debug("Initializing speech")
	speech.initialize()
	if not globalVars.appArgs.minimal and (time.time()-globalVars.startTime)>5:
		log.debugWarning("Slow starting core (%.2f sec)" % (time.time()-globalVars.startTime))
		# Translators: This is spoken when NVDA is starting.
		speech.speakMessage(_("Loading NVDA. Please wait..."))
	import wx
	log.info("Using wx version %s"%wx.version())
	app = wx.App(redirect=False)
	# HACK: wx currently raises spurious assertion failures when a timer is stopped but there is already an event in the queue for that timer.
	# Unfortunately, these assertion exceptions are raised in the middle of other code, which causes problems.
	# Therefore, disable assertions for now.
	app.SetAssertMode(wx.PYAPP_ASSERT_SUPPRESS)
	# We do support QueryEndSession events, but we don't want to do anything for them.
	app.Bind(wx.EVT_QUERY_END_SESSION, lambda evt: None)
	def onEndSession(evt):
		# NVDA will be terminated as soon as this function returns, so save configuration if appropriate.
		config.saveOnExit()
		speech.cancelSpeech()
		if not globalVars.appArgs.minimal:
			try:
				nvwave.playWaveFile("waves\\exit.wav",async=False)
			except:
				pass
		log.info("Windows session ending")
	app.Bind(wx.EVT_END_SESSION, onEndSession)
	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")
	try:
		touchHandler.initialize()
	except NotImplementedError:
		pass
	import globalPluginHandler
	log.debug("Initializing global plugin handler")
	globalPluginHandler.initialize()
	if globalVars.appArgs.install:
		import wx
		import gui.installerGui
		wx.CallAfter(gui.installerGui.doSilentInstall)
	elif not globalVars.appArgs.minimal:
		try:
			# Translators: This is shown on a braille display (if one is connected) when NVDA starts.
			braille.handler.message(_("NVDA started"))
		except:
			log.error("", exc_info=True)
		if globalVars.appArgs.launcher:
			gui.LauncherDialog.run()
			# LauncherDialog will call doStartupDialogs() afterwards if required.
		else:
			wx.CallAfter(doStartupDialogs)
	import queueHandler
	# Queue the handling of initial focus,
	# as API handlers might need to be pumped to get the first focus event.
	queueHandler.queueFunction(queueHandler.eventQueue, _setInitialFocus)
	import watchdog
	import baseObject
	class CorePump(wx.Timer):
		"Checks the queues and executes functions."
		def __init__(self,*args,**kwargs):
			log.debug("Core pump starting")
			super(CorePump,self).__init__(*args,**kwargs)
		def Notify(self):
			try:
				JABHandler.pumpAll()
				IAccessibleHandler.pumpAll()
				queueHandler.pumpAll()
				mouseHandler.pumpAll()
				braille.pumpAll()
			except:
				log.exception("errors in this core pump cycle")
			baseObject.AutoPropertyObject.invalidateCaches()
			watchdog.alive()
	log.debug("starting core pump")
	pump = CorePump()
	pump.Start(1)
	log.debug("Initializing watchdog")
	watchdog.initialize()
	try:
		import updateCheck
	except RuntimeError:
		updateCheck=None
		log.debug("Update checking not supported")
	else:
		log.debug("initializing updateCheck")
		updateCheck.initialize()
	log.info("NVDA initialized")

	log.debug("entering wx application main loop")
	app.MainLoop()

	log.info("Exiting")
	if updateCheck:
		log.debug("Terminating updateCheck")
		updateCheck.terminate()
	log.debug("Terminating watchdog")
	watchdog.terminate()
	log.debug("Terminating global plugin handler")
	globalPluginHandler.terminate()
	log.debug("Terminating GUI")
	gui.terminate()
	config.saveOnExit()
	try:
		if globalVars.focusObject and hasattr(globalVars.focusObject,"event_loseFocus"):
			log.debug("calling lose focus on object with focus")
			globalVars.focusObject.event_loseFocus()
	except:
		log.error("Lose focus error",exc_info=True)
	try:
		speech.cancelSpeech()
	except:
		pass
	log.debug("Cleaning up running treeInterceptors")
	try:
		import treeInterceptorHandler
		treeInterceptorHandler.terminate()
	except:
		log.error("Error cleaning up treeInterceptors",exc_info=True)
	log.debug("Terminating IAccessible support")
	try:
		IAccessibleHandler.terminate()
	except:
		log.error("Error terminating IAccessible support",exc_info=True)
	log.debug("Terminating UIA support")
	try:
		UIAHandler.terminate()
	except:
		log.error("Error terminating UIA support",exc_info=True)
	log.debug("Terminating winConsole support")
	try:
		winConsoleHandler.terminate()
	except:
		log.error("Error terminating winConsole support",exc_info=True)
	log.debug("Terminating Java Access Bridge support")
	try:
		JABHandler.terminate()
	except:
		log.error("Error terminating Java Access Bridge support",exc_info=True)
	log.debug("Terminating app module handler")
	appModuleHandler.terminate()
	log.debug("Terminating NVDAHelper")
	try:
		NVDAHelper.terminate()
	except:
		log.error("Error terminating NVDAHelper",exc_info=True)
	log.debug("Terminating touchHandler")
	try:
		touchHandler.terminate()
	except:
		log.error("Error terminating touchHandler")
	log.debug("Terminating keyboard handler")
	try:
		keyboardHandler.terminate()
	except:
		log.error("Error terminating keyboard handler")
	log.debug("Terminating mouse handler")
	try:
		mouseHandler.terminate()
	except:
		log.error("error terminating mouse handler",exc_info=True)
	log.debug("Terminating input core")
	inputCore.terminate()
	log.debug("Terminating brailleInput")
	brailleInput.terminate()
	log.debug("Terminating braille")
	try:
		braille.terminate()
	except:
		log.error("Error terminating braille",exc_info=True)
	log.debug("Terminating speech")
	try:
		speech.terminate()
	except:
		log.error("Error terminating speech",exc_info=True)
	try:
		addonHandler.terminate()
	except:
		log.error("Error terminating addonHandler",exc_info=True)
	if not globalVars.appArgs.minimal:
		try:
			nvwave.playWaveFile("waves\\exit.wav",async=False)
		except:
			pass
	log.debug("core done")
示例#25
0
	def event_UIA_elementSelected(self):
		speech.cancelSpeech()
		api.setNavigatorObject(self, isFocus=True)
		self.reportFocus()
		super(SuggestionListItem,self).event_UIA_elementSelected()
示例#26
0
文件: core.py 项目: nishimotz/nvda
def main():
	"""NVDA's core main loop.
This initializes all modules such as audio, IAccessible, keyboard, mouse, and GUI. Then it initialises the wx application object and sets up the core pump, which checks the queues and executes functions when requested. Finally, it starts the wx main loop.
"""
	log.debug("Core starting")

	ctypes.windll.user32.SetProcessDPIAware()

	import config
	if not globalVars.appArgs.configPath:
		globalVars.appArgs.configPath=config.getUserDefaultConfigPath(useInstalledPathIfExists=globalVars.appArgs.launcher)
	#Initialize the config path (make sure it exists)
	config.initConfigPath()
	log.info("Config dir: %s"%os.path.abspath(globalVars.appArgs.configPath))
	log.debug("loading config")
	import config
	config.initialize()
	if not globalVars.appArgs.minimal and config.conf["general"]["playStartAndExitSounds"]:
		try:
			nvwave.playWaveFile("waves\\start.wav")
		except:
			pass
	logHandler.setLogLevelFromConfig()
	try:
		lang = config.conf["general"]["language"]
		import languageHandler
		log.debug("setting language to %s"%lang)
		languageHandler.setLanguage(lang)
	except:
		log.warning("Could not set language to %s"%lang)
	import versionInfo
	log.info("NVDA version %s" % versionInfo.version)
	log.info("Using Windows version %s" % winVersion.winVersionText)
	log.info("Using Python version %s"%sys.version)
	log.info("Using comtypes version %s"%comtypes.__version__)
	import configobj
	log.info("Using configobj version %s with validate version %s"%(configobj.__version__,configobj.validate.__version__))
	# Set a reasonable timeout for any socket connections NVDA makes.
	import socket
	socket.setdefaulttimeout(10)
	log.debug("Initializing add-ons system")
	addonHandler.initialize()
	if globalVars.appArgs.disableAddons:
		log.info("Add-ons are disabled. Restart NVDA to enable them.")
	import appModuleHandler
	log.debug("Initializing appModule Handler")
	appModuleHandler.initialize()
	import NVDAHelper
	log.debug("Initializing NVDAHelper")
	NVDAHelper.initialize()
	import speechDictHandler
	log.debug("Speech Dictionary processing")
	speechDictHandler.initialize()
	import speech
	log.debug("Initializing speech")
	speech.initialize()
	if not globalVars.appArgs.minimal and (time.time()-globalVars.startTime)>5:
		log.debugWarning("Slow starting core (%.2f sec)" % (time.time()-globalVars.startTime))
		# Translators: This is spoken when NVDA is starting.
		speech.speakMessage(_("Loading NVDA. Please wait..."))
	import wx
	# wxPython 4 no longer has either of these constants (despite the documentation saying so), some add-ons may rely on
	# them so we add it back into wx. https://wxpython.org/Phoenix/docs/html/wx.Window.html#wx.Window.Centre
	wx.CENTER_ON_SCREEN = wx.CENTRE_ON_SCREEN = 0x2
	log.info("Using wx version %s"%wx.version())
	class App(wx.App):
		def OnAssert(self,file,line,cond,msg):
			message="{file}, line {line}:\nassert {cond}: {msg}".format(file=file,line=line,cond=cond,msg=msg)
			log.debugWarning(message,codepath="WX Widgets",stack_info=True)
	app = App(redirect=False)
	# We support queryEndSession events, but in general don't do anything for them.
	# However, when running as a Windows Store application, we do want to request to be restarted for updates
	def onQueryEndSession(evt):
		if config.isAppX:
			# Automatically restart NVDA on Windows Store update
			ctypes.windll.kernel32.RegisterApplicationRestart(None,0)
	app.Bind(wx.EVT_QUERY_END_SESSION, onQueryEndSession)
	def onEndSession(evt):
		# NVDA will be terminated as soon as this function returns, so save configuration if appropriate.
		config.saveOnExit()
		speech.cancelSpeech()
		if not globalVars.appArgs.minimal and config.conf["general"]["playStartAndExitSounds"]:
			try:
				nvwave.playWaveFile("waves\\exit.wav",async=False)
			except:
				pass
		log.info("Windows session ending")
	app.Bind(wx.EVT_END_SESSION, onEndSession)
	log.debug("Initializing braille input")
	import brailleInput
	brailleInput.initialize()
	import braille
	log.debug("Initializing braille")
	braille.initialize()
	import displayModel
	log.debug("Initializing displayModel")
	displayModel.initialize()
	log.debug("Initializing GUI")
	import gui
	gui.initialize()
	import audioDucking
	if audioDucking.isAudioDuckingSupported():
		# the GUI mainloop must be running for this to work so delay it
		wx.CallAfter(audioDucking.initialize)

	# #3763: In wxPython 3, the class name of frame windows changed from wxWindowClassNR to wxWindowNR.
	# NVDA uses the main frame to check for and quit another instance of NVDA.
	# To remain compatible with older versions of NVDA, create our own wxWindowClassNR.
	# We don't need to do anything else because wx handles WM_QUIT for all windows.
	import windowUtils
	class MessageWindow(windowUtils.CustomWindow):
		className = u"wxWindowClassNR"
		#Just define these constants here, so we don't have to import win32con
		WM_POWERBROADCAST = 0x218
		WM_DISPLAYCHANGE = 0x7e
		PBT_APMPOWERSTATUSCHANGE = 0xA
		UNKNOWN_BATTERY_STATUS = 0xFF
		AC_ONLINE = 0X1
		NO_SYSTEM_BATTERY = 0X80
		#States for screen orientation
		ORIENTATION_NOT_INITIALIZED = 0
		ORIENTATION_PORTRAIT = 1
		ORIENTATION_LANDSCAPE = 2

		def __init__(self, windowName=None):
			super(MessageWindow, self).__init__(windowName)
			self.oldBatteryStatus = None
			self.orientationStateCache = self.ORIENTATION_NOT_INITIALIZED
			self.orientationCoordsCache = (0,0)
			self.handlePowerStatusChange()

		def windowProc(self, hwnd, msg, wParam, lParam):
			post_windowMessageReceipt.notify(msg=msg, wParam=wParam, lParam=lParam)
			if msg == self.WM_POWERBROADCAST and wParam == self.PBT_APMPOWERSTATUSCHANGE:
				self.handlePowerStatusChange()
			elif msg == self.WM_DISPLAYCHANGE:
				self.handleScreenOrientationChange(lParam)

		def handleScreenOrientationChange(self, lParam):
			import ui
			import winUser
			# Resolution detection comes from an article found at https://msdn.microsoft.com/en-us/library/ms812142.aspx.
			#The low word is the width and hiword is height.
			width = winUser.LOWORD(lParam)
			height = winUser.HIWORD(lParam)
			self.orientationCoordsCache = (width,height)
			if width > height:
				# If the height and width are the same, it's actually a screen flip, and we do want to alert of those!
				if self.orientationStateCache == self.ORIENTATION_LANDSCAPE and self.orientationCoordsCache != (width,height):
					return
				#Translators: The screen is oriented so that it is wider than it is tall.
				ui.message(_("Landscape" ))
				self.orientationStateCache = self.ORIENTATION_LANDSCAPE
			else:
				if self.orientationStateCache == self.ORIENTATION_PORTRAIT and self.orientationCoordsCache != (width,height):
					return
				#Translators: The screen is oriented in such a way that the height is taller than it is wide.
				ui.message(_("Portrait"))
				self.orientationStateCache = self.ORIENTATION_PORTRAIT

		def handlePowerStatusChange(self):
			#Mostly taken from script_say_battery_status, but modified.
			import ui
			import winKernel
			sps = winKernel.SYSTEM_POWER_STATUS()
			if not winKernel.GetSystemPowerStatus(sps) or sps.BatteryFlag is self.UNKNOWN_BATTERY_STATUS:
				return
			if sps.BatteryFlag & self.NO_SYSTEM_BATTERY:
				return
			if self.oldBatteryStatus is None:
				#Just initializing the cache, do not report anything.
				self.oldBatteryStatus = sps.ACLineStatus
				return
			if sps.ACLineStatus == self.oldBatteryStatus:
				#Sometimes, this double fires. This also fires when the battery level decreases by 3%.
				return
			self.oldBatteryStatus = sps.ACLineStatus
			if sps.ACLineStatus & self.AC_ONLINE:
				#Translators: Reported when the battery is plugged in, and now is charging.
				ui.message(_("Charging battery. %d percent") % sps.BatteryLifePercent)
			else:
				#Translators: Reported when the battery is no longer plugged in, and now is not charging.
				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")
	try:
		touchHandler.initialize()
	except NotImplementedError:
		pass
	import globalPluginHandler
	log.debug("Initializing global plugin handler")
	globalPluginHandler.initialize()
	if globalVars.appArgs.install or globalVars.appArgs.installSilent:
		import gui.installerGui
		wx.CallAfter(gui.installerGui.doSilentInstall,startAfterInstall=not globalVars.appArgs.installSilent)
	elif globalVars.appArgs.portablePath and (globalVars.appArgs.createPortable or globalVars.appArgs.createPortableSilent):
		import gui.installerGui
		wx.CallAfter(gui.installerGui.doCreatePortable,portableDirectory=globalVars.appArgs.portablePath,
			silent=globalVars.appArgs.createPortableSilent,startAfterCreate=not globalVars.appArgs.createPortableSilent)
	elif not globalVars.appArgs.minimal:
		try:
			# Translators: This is shown on a braille display (if one is connected) when NVDA starts.
			braille.handler.message(_("NVDA started"))
		except:
			log.error("", exc_info=True)
		if globalVars.appArgs.launcher:
			gui.LauncherDialog.run()
			# LauncherDialog will call doStartupDialogs() afterwards if required.
		else:
			wx.CallAfter(doStartupDialogs)
	import queueHandler
	# Queue the handling of initial focus,
	# as API handlers might need to be pumped to get the first focus event.
	queueHandler.queueFunction(queueHandler.eventQueue, _setInitialFocus)
	import watchdog
	import baseObject

	# Doing this here is a bit ugly, but we don't want these modules imported
	# at module level, including wx.
	log.debug("Initializing core pump")
	class CorePump(gui.NonReEntrantTimer):
		"Checks the queues and executes functions."
		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)
	global _pump
	_pump = CorePump()
	requestPump()

	log.debug("Initializing watchdog")
	watchdog.initialize()
	try:
		import updateCheck
	except RuntimeError:
		updateCheck=None
		log.debug("Update checking not supported")
	else:
		log.debug("initializing updateCheck")
		updateCheck.initialize()
	log.info("NVDA initialized")
	postNvdaStartup.notify()

	log.debug("entering wx application main loop")
	app.MainLoop()

	log.info("Exiting")
	if updateCheck:
		_terminate(updateCheck)

	_terminate(watchdog)
	_terminate(globalPluginHandler, name="global plugin handler")
	_terminate(gui)
	config.saveOnExit()

	try:
		if globalVars.focusObject and hasattr(globalVars.focusObject,"event_loseFocus"):
			log.debug("calling lose focus on object with focus")
			globalVars.focusObject.event_loseFocus()
	except:
		log.exception("Lose focus error")
	try:
		speech.cancelSpeech()
	except:
		pass

	import treeInterceptorHandler
	_terminate(treeInterceptorHandler)
	_terminate(IAccessibleHandler, name="IAccessible support")
	_terminate(UIAHandler, name="UIA support")
	_terminate(winConsoleHandler, name="winConsole support")
	_terminate(JABHandler, name="Java Access Bridge support")
	_terminate(appModuleHandler, name="app module handler")
	_terminate(NVDAHelper)
	_terminate(touchHandler)
	_terminate(keyboardHandler, name="keyboard handler")
	_terminate(mouseHandler)
	_terminate(inputCore)
	_terminate(brailleInput)
	_terminate(braille)
	_terminate(speech)
	_terminate(addonHandler)

	if not globalVars.appArgs.minimal and config.conf["general"]["playStartAndExitSounds"]:
		try:
			nvwave.playWaveFile("waves\\exit.wav",async=False)
		except:
			pass
	# #5189: Destroy the message window as late as possible
	# so new instances of NVDA can find this one even if it freezes during exit.
	messageWindow.destroy()
	log.debug("core done")
示例#27
0
def main():
	"""NVDA's core main loop.
This initializes all modules such as audio, IAccessible, keyboard, mouse, and GUI. Then it initialises the wx application object and sets up the core pump, which checks the queues and executes functions when requested. Finally, it starts the wx main loop.
"""
	log.debug("Core starting")

	try:
		# Windows >= Vista
		ctypes.windll.user32.SetProcessDPIAware()
	except AttributeError:
		pass

	import config
	if not globalVars.appArgs.configPath:
		globalVars.appArgs.configPath=config.getUserDefaultConfigPath(useInstalledPathIfExists=globalVars.appArgs.launcher)
	#Initialize the config path (make sure it exists)
	config.initConfigPath()
	log.info("Config dir: %s"%os.path.abspath(globalVars.appArgs.configPath))
	log.debug("loading config")
	import config
	config.initialize()
	if not globalVars.appArgs.minimal and config.conf["general"]["playStartAndExitSounds"]:
		try:
			nvwave.playWaveFile("waves\\start.wav")
		except:
			pass
	logHandler.setLogLevelFromConfig()
	try:
		lang = config.conf["general"]["language"]
		import languageHandler
		log.debug("setting language to %s"%lang)
		languageHandler.setLanguage(lang)
	except:
		log.warning("Could not set language to %s"%lang)
	import versionInfo
	log.info("NVDA version %s" % versionInfo.version)
	log.info("Using Windows version %s" % winVersion.winVersionText)
	log.info("Using Python version %s"%sys.version)
	log.info("Using comtypes version %s"%comtypes.__version__)
	# Set a reasonable timeout for any socket connections NVDA makes.
	import socket
	socket.setdefaulttimeout(10)
	log.debug("Initializing add-ons system")
	addonHandler.initialize()
	if globalVars.appArgs.disableAddons:
		log.info("Add-ons are disabled. Restart NVDA to enable them.")
	import appModuleHandler
	log.debug("Initializing appModule Handler")
	appModuleHandler.initialize()
	import NVDAHelper
	log.debug("Initializing NVDAHelper")
	NVDAHelper.initialize()
	import speechDictHandler
	log.debug("Speech Dictionary processing")
	speechDictHandler.initialize()
	import speech
	log.debug("Initializing speech")
	speech.initialize()
	if not globalVars.appArgs.minimal and (time.time()-globalVars.startTime)>5:
		log.debugWarning("Slow starting core (%.2f sec)" % (time.time()-globalVars.startTime))
		# Translators: This is spoken when NVDA is starting.
		speech.speakMessage(_("Loading NVDA. Please wait..."))
	import wx
	log.info("Using wx version %s"%wx.version())
	class App(wx.App):
		def OnAssert(self,file,line,cond,msg):
			message="{file}, line {line}:\nassert {cond}: {msg}".format(file=file,line=line,cond=cond,msg=msg)
			log.debugWarning(message,codepath="WX Widgets",stack_info=True)
	app = App(redirect=False)
	# We do support QueryEndSession events, but we don't want to do anything for them.
	app.Bind(wx.EVT_QUERY_END_SESSION, lambda evt: None)
	def onEndSession(evt):
		# NVDA will be terminated as soon as this function returns, so save configuration if appropriate.
		config.saveOnExit()
		speech.cancelSpeech()
		if not globalVars.appArgs.minimal and config.conf["general"]["playStartAndExitSounds"]:
			try:
				nvwave.playWaveFile("waves\\exit.wav",async=False)
			except:
				pass
		log.info("Windows session ending")
	app.Bind(wx.EVT_END_SESSION, onEndSession)
	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()
	import audioDucking
	if audioDucking.isAudioDuckingSupported():
		# the GUI mainloop must be running for this to work so delay it
		wx.CallAfter(audioDucking.initialize)

	# #3763: In wxPython 3, the class name of frame windows changed from wxWindowClassNR to wxWindowNR.
	# NVDA uses the main frame to check for and quit another instance of NVDA.
	# To remain compatible with older versions of NVDA, create our own wxWindowClassNR.
	# We don't need to do anything else because wx handles WM_QUIT for all windows.
	import windowUtils
	class MessageWindow(windowUtils.CustomWindow):
		className = u"wxWindowClassNR"
	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"))
	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")
	try:
		touchHandler.initialize()
	except NotImplementedError:
		pass
	import globalPluginHandler
	log.debug("Initializing global plugin handler")
	globalPluginHandler.initialize()
	if globalVars.appArgs.install or globalVars.appArgs.installSilent:
		import wx
		import gui.installerGui
		wx.CallAfter(gui.installerGui.doSilentInstall,startAfterInstall=not globalVars.appArgs.installSilent)
	elif not globalVars.appArgs.minimal:
		try:
			# Translators: This is shown on a braille display (if one is connected) when NVDA starts.
			braille.handler.message(_("NVDA started"))
		except:
			log.error("", exc_info=True)
		if globalVars.appArgs.launcher:
			gui.LauncherDialog.run()
			# LauncherDialog will call doStartupDialogs() afterwards if required.
		else:
			wx.CallAfter(doStartupDialogs)
	import queueHandler
	# Queue the handling of initial focus,
	# as API handlers might need to be pumped to get the first focus event.
	queueHandler.queueFunction(queueHandler.eventQueue, _setInitialFocus)
	import watchdog
	import baseObject

	# Doing this here is a bit ugly, but we don't want these modules imported
	# at module level, including wx.
	log.debug("Initializing core pump")
	class CorePump(wx.Timer):
		"Checks the queues and executes functions."
		def Notify(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: A pump was requested, but the timer was ignored by a modal loop
				# because timers aren't re-entrant.
				# Therefore, schedule another pump.
				_pump.Start(PUMP_MAX_DELAY, True)
	global _pump
	_pump = CorePump()
	requestPump()

	log.debug("Initializing watchdog")
	watchdog.initialize()
	try:
		import updateCheck
	except RuntimeError:
		updateCheck=None
		log.debug("Update checking not supported")
	else:
		log.debug("initializing updateCheck")
		updateCheck.initialize()
	log.info("NVDA initialized")

	log.debug("entering wx application main loop")
	app.MainLoop()

	log.info("Exiting")
	if updateCheck:
		_terminate(updateCheck)

	_terminate(watchdog)
	_terminate(globalPluginHandler, name="global plugin handler")
	_terminate(gui)
	config.saveOnExit()

	try:
		if globalVars.focusObject and hasattr(globalVars.focusObject,"event_loseFocus"):
			log.debug("calling lose focus on object with focus")
			globalVars.focusObject.event_loseFocus()
	except:
		log.exception("Lose focus error")
	try:
		speech.cancelSpeech()
	except:
		pass

	import treeInterceptorHandler
	_terminate(treeInterceptorHandler)
	_terminate(IAccessibleHandler, name="IAccessible support")
	_terminate(UIAHandler, name="UIA support")
	_terminate(winConsoleHandler, name="winConsole support")
	_terminate(JABHandler, name="Java Access Bridge support")
	_terminate(appModuleHandler, name="app module handler")
	_terminate(NVDAHelper)
	_terminate(touchHandler)
	_terminate(keyboardHandler, name="keyboard handler")
	_terminate(mouseHandler)
	_terminate(inputCore)
	_terminate(brailleInput)
	_terminate(braille)
	_terminate(speech)
	_terminate(addonHandler)

	if not globalVars.appArgs.minimal and config.conf["general"]["playStartAndExitSounds"]:
		try:
			nvwave.playWaveFile("waves\\exit.wav",async=False)
		except:
			pass
	# #5189: Destroy the message window as late as possible
	# so new instances of NVDA can find this one even if it freezes during exit.
	messageWindow.destroy()
	log.debug("core done")
示例#28
0
# Much of this should eventually be replaced by stuff which gets reset before each test
# so the tests are isolated.
import config
config.initialize()
# Initialize languageHandler so that translatable strings work.
import languageHandler
languageHandler.setLanguage("en")
# NVDAObjects need appModuleHandler to be initialized.
import appModuleHandler
appModuleHandler.initialize()
# Anything which notifies of cursor updates requires braille to be initialized.
import braille
braille.initialize()
# For braille unit tests, we need to construct a fake braille display as well as enable the braille handler
# Give the display 40 cells
braille.handler.displaySize=40
braille.handler.enabled = True
# The focus and navigator objects need to be initialized to something.
from objectProvider import PlaceholderNVDAObject,NVDAObjectWithRole
phObj = PlaceholderNVDAObject()
import api
api.setFocusObject(phObj)
api.setNavigatorObject(phObj)
api.setDesktopObject(phObj)

# Stub speech functions to make them no-ops.
# Eventually, these should keep track of calls so we can make assertions.
import speech
speech.speak = lambda speechSequence, symbolLevel=None: None
speech.speakSpelling = lambda text, locale=None, useCharacterDescriptions=False: None