Python winUser.getWindowThreadProcessID函数代码示例

def processGenericWinEvent(eventID,window,objectID,childID):
	"""Converts the win event to an NVDA event,
	Checks to see if this NVDAObject  equals the current focus.
	If all goes well, then the event is queued and we return True
	@param eventID: a win event ID (type)
	@type eventID: integer
	@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 event was processed, False otherwise.
	@rtype: boolean
	"""
	#Notify appModuleHandler of this new window
	appModuleHandler.update(winUser.getWindowThreadProcessID(window)[0])
	#Handle particular events for the special MSAA caret object just as if they were for the focus object
	focus=eventHandler.lastQueuedFocusObject
	if focus and objectID==winUser.OBJID_CARET and eventID in (winUser.EVENT_OBJECT_LOCATIONCHANGE,winUser.EVENT_OBJECT_SHOW):
		NVDAEvent=("caret",focus)
	else:
		NVDAEvent=winEventToNVDAEvent(eventID,window,objectID,childID)
		if not NVDAEvent:
			return False
	if NVDAEvent[0]=="nameChange" and objectID==winUser.OBJID_CURSOR:
		mouseHandler.updateMouseShape(NVDAEvent[1].name)
		return
	if NVDAEvent[1]==focus:
		NVDAEvent=(NVDAEvent[0],focus)
	eventHandler.queueEvent(*NVDAEvent)
	return True

	def _isUIAWindowHelper(self,hwnd):
		# UIA in NVDA's process freezes in Windows 7 and below
		processID=winUser.getWindowThreadProcessID(hwnd)[0]
		if windll.kernel32.GetCurrentProcessId()==processID:
			return False
		import NVDAObjects.window
		windowClass=NVDAObjects.window.Window.normalizeWindowClassName(winUser.getClassName(hwnd))
		# For certain window classes, we always want to use UIA.
		if windowClass in goodUIAWindowClassNames:
			return True
		# allow the appModule for the window to also choose if this window is good
		# An appModule should be able to override bad UIA class names as prescribed by core
		appModule=appModuleHandler.getAppModuleFromProcessID(processID)
		if appModule and appModule.isGoodUIAWindow(hwnd):
			return True
		# There are certain window classes that just had bad UIA implementations
		if windowClass in badUIAWindowClassNames:
			return False
		if windowClass=="NetUIHWND":
			parentHwnd=winUser.getAncestor(hwnd,winUser.GA_ROOT)
			# #2816: Outlook 2010 auto complete does not fire enough UIA events, IAccessible is better.
			# #4056: Combo boxes in Office 2010 Options dialogs don't expose a name via UIA, but do via MSAA.
			if winUser.getClassName(parentHwnd) in {"Net UI Tool Window","NUIDialog"}:
				return False
		# allow the appModule for the window to also choose if this window is bad
		if appModule and appModule.isBadUIAWindow(hwnd):
			return False
		# Ask the window if it supports UIA natively
		res=windll.UIAutomationCore.UiaHasServerSideProvider(hwnd)
		if res:
			# the window does support UIA natively, but
			# Microsoft Word should not use UIA unless we can't inject or the user explicitly chose to use UIA with Microsoft word
			if windowClass=="_WwG" and not (config.conf['UIA']['useInMSWordWhenAvailable'] or not appModule.helperLocalBindingHandle):
				return False
		return bool(res)

	def prePopup(self):
		"""Prepare for a popup.
		This should be called before any dialog or menu which should pop up for the user.
		L{postPopup} should be called after the dialog or menu has been shown.
		@postcondition: A dialog or menu may be shown.
		"""
		if winUser.getWindowThreadProcessID(winUser.getForegroundWindow())[0] != os.getpid():
			# This process is not the foreground process, so bring it to the foreground.
			self.Raise()

def shouldAcceptEvent(eventName, windowHandle=None):
	"""Check whether an event should be accepted from a platform API.
	Creating NVDAObjects and executing events can be expensive
	and might block the main thread noticeably if the object is slow to respond.
	Therefore, this should be used before NVDAObject creation to filter out any unnecessary events.
	A platform API handler may do its own filtering before this.
	"""
	if not windowHandle:
		# We can't filter without a window handle.
		return True
	key = (eventName,
		winUser.getWindowThreadProcessID(windowHandle)[0],
		winUser.getClassName(windowHandle))
	if key in _acceptEvents:
		return True
	if eventName == "valueChange" and config.conf["presentation"]["progressBarUpdates"]["reportBackgroundProgressBars"]:
		return True
	if eventName == "show":
		# Only accept 'show' events for specific cases, as otherwise we get flooded.
		return winUser.getClassName(windowHandle) in (
			"Frame Notification Bar", # notification bars
			"tooltips_class32", # tooltips
			"mscandui21.candidate", "mscandui40.candidate", "MSCandUIWindow_Candidate", # IMM candidates
			"TTrayAlert", # 5405: Skype
		)
	if eventName == "reorder":
		# Prevent another flood risk.
		return winUser.getClassName(windowHandle) == "TTrayAlert" # #4841: Skype
	if eventName == "alert" and winUser.getClassName(winUser.getAncestor(windowHandle, winUser.GA_PARENT)) == "ToastChildWindowClass":
		# Toast notifications.
		return True
	if eventName in ("menuEnd", "switchEnd", "desktopSwitch"):
		# #5302, #5462: These events can be fired on the desktop window
		# or windows that would otherwise be blocked.
		# Platform API handlers will translate these events to focus events anyway,
		# so we must allow them here.
		return True
	if windowHandle == winUser.getDesktopWindow():
		# #5595: Events for the cursor get mapped to the desktop window.
		return True

	fg = winUser.getForegroundWindow()
	if (winUser.isDescendantWindow(fg, windowHandle)
			# #3899, #3905: Covers cases such as the Firefox Page Bookmarked window and OpenOffice/LibreOffice context menus.
			or winUser.isDescendantWindow(fg, winUser.getAncestor(windowHandle, winUser.GA_ROOTOWNER))):
		# This is for the foreground application.
		return True
	if (winUser.user32.GetWindowLongW(windowHandle, winUser.GWL_EXSTYLE) & winUser.WS_EX_TOPMOST
			or winUser.user32.GetWindowLongW(winUser.getAncestor(windowHandle, winUser.GA_ROOT), winUser.GWL_EXSTYLE) & winUser.WS_EX_TOPMOST):
		# This window or its root is a topmost window.
		# This includes menus, combo box pop-ups and the task switching list.
		return True
	return False

	def isUIAWindow(self,hwnd):
		now=time.time()
		v=self.UIAWindowHandleCache.get(hwnd,None)
		if not v or (now-v[1])>0.5:
			if windll.kernel32.GetCurrentProcessId()==winUser.getWindowThreadProcessID(hwnd)[0]:
				isUIA=False
			elif winUser.getClassName(hwnd) in badUIAWindowClassNames:
				isUIA=False
			else:
				isUIA=windll.UIAutomationCore.UiaHasServerSideProvider(hwnd)
			self.UIAWindowHandleCache[hwnd]=(isUIA,now)
			return isUIA
		return v[0]

	def prePopup(self):
		"""Prepare for a popup.
		This should be called before any dialog or menu which should pop up for the user.
		L{postPopup} should be called after the dialog or menu has been shown.
		@postcondition: A dialog or menu may be shown.
		"""
		nvdaPid = os.getpid()
		focus = api.getFocusObject()
		if focus.processID != nvdaPid:
			self.prevFocus = focus
			self.prevFocusAncestors = api.getFocusAncestors()
		if winUser.getWindowThreadProcessID(winUser.getForegroundWindow())[0] != nvdaPid:
			# This process is not the foreground process, so bring it to the foreground.
			self.Raise()

	def kwargsFromSuper(cls,kwargs,relation=None):
		windowHandle=None
		if relation in ('focus','foreground'):
			windowHandle=winUser.getForegroundWindow()
			if not windowHandle: windowHandle=winUser.getDesktopWindow()
			if windowHandle and relation=="focus":
				threadID=winUser.getWindowThreadProcessID(windowHandle)[1]
				threadInfo=winUser.getGUIThreadInfo(threadID)
				if threadInfo.hwndFocus: windowHandle=threadInfo.hwndFocus
		elif isinstance(relation,tuple):
			windowHandle=_windowFromPoint(ctypes.wintypes.POINT(relation[0],relation[1]))
		if not windowHandle:
			return False
		kwargs['windowHandle']=windowHandle
		return True

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 _shouldRecoverAfterMinTimeout():
	info=winUser.getGUIThreadInfo(0)
	#If hwndFocus is 0, then the OS is clearly busy and we don't want to timeout prematurely.
	if not info.hwndFocus: return False
	# Import late to avoid circular import.
	import api
	#If a system menu has been activated but NVDA's focus is not yet in the menu then use min timeout
	if info.flags&winUser.GUI_SYSTEMMENUMODE and info.hwndMenuOwner and api.getFocusObject().windowClassName!='#32768':
		return True 
	if winUser.getClassName(info.hwndFocus) in safeWindowClassSet:
		return False
	if not winUser.isDescendantWindow(info.hwndActive, api.getFocusObject().windowHandle):
		# The foreground window has changed.
		return True
	newHwnd=info.hwndFocus
	newThreadID=winUser.getWindowThreadProcessID(newHwnd)[1]
	return newThreadID!=api.getFocusObject().windowThreadID

def _shouldRecoverAfterMinTimeout():
	info=winUser.getGUIThreadInfo(0)
	if not info.hwndFocus:
		# The foreground thread is frozen or there is no foreground thread (probably due to a freeze elsewhere).
		return True
	# Import late to avoid circular import.
	import api
	#If a system menu has been activated but NVDA's focus is not yet in the menu then use min timeout
	if info.flags&winUser.GUI_SYSTEMMENUMODE and info.hwndMenuOwner and api.getFocusObject().windowClassName!='#32768':
		return True 
	if winUser.getClassName(info.hwndFocus) in safeWindowClassSet:
		return False
	if not winUser.isDescendantWindow(info.hwndActive, api.getFocusObject().windowHandle):
		# The foreground window has changed.
		return True
	newHwnd=info.hwndFocus
	newThreadID=winUser.getWindowThreadProcessID(newHwnd)[1]
	return newThreadID!=api.getFocusObject().windowThreadID

def requestWSRShowHideEvents(fn=None):
	global requestedWSRShowHideEvents, hookId, eventCallback, wsrPanelHiddenFunction
	if fn is None:
		fn = wsrPanelHiddenFunction
	else:
		wsrPanelHiddenFunction = fn
	if requestedWSRShowHideEvents:
		return
	try:
		hwnd = winUser.FindWindow(u"MS:SpeechTopLevel", None)
	except:
		hwnd = None
	if hwnd:
		pid, tid = winUser.getWindowThreadProcessID(hwnd)
		eventHandler.requestEvents(eventName='show', processId=pid, windowClassName='#32770')
		eventCallback = make_callback(fn)
		hookId = winUser.setWinEventHook(winUser.EVENT_OBJECT_HIDE, winUser.EVENT_OBJECT_HIDE, 0, eventCallback, pid, 0, 0)
		requestedWSRShowHideEvents = True

	def _get_lvAppImageID(self):
		item=LVItemStruct(iItem=self.IAccessibleChildID-1,mask=LVIF_IMAGE)
		(processID,threadID)=winUser.getWindowThreadProcessID(self.windowHandle)
		processHandle=self.processHandle
		internalItem=winKernel.virtualAllocEx(processHandle,None,sizeof(LVItemStruct),winKernel.MEM_COMMIT,winKernel.PAGE_READWRITE)
		winKernel.writeProcessMemory(processHandle,internalItem,byref(item),sizeof(LVItemStruct),None)
		winUser.sendMessage(self.windowHandle,LVM_GETITEM,0,internalItem)
		dispInfo=NMLVDispInfoStruct()
		dispInfo.item=internalItem
		dispInfo.hdr.hwndFrom=self.windowHandle
		dispInfo.hdr.idFrom=self.windowControlID
		dispInfo.hdr.code=LVN_GETDISPINFO
		internalDispInfo=winKernel.virtualAllocEx(processHandle,None,sizeof(NMLVDispInfoStruct),winKernel.MEM_COMMIT,winKernel.PAGE_READWRITE)
		winKernel.writeProcessMemory(processHandle,internalDispInfo,byref(dispInfo),sizeof(NMLVDispInfoStruct),None)
		winUser.sendMessage(self.parent.parent.windowHandle,winUser.WM_NOTIFY,LVN_GETDISPINFO,internalDispInfo)
		winKernel.virtualFreeEx(processHandle,internalDispInfo,0,winKernel.MEM_RELEASE)
		winKernel.readProcessMemory(processHandle,internalItem,byref(item),sizeof(LVItemStruct),None)
		winKernel.virtualFreeEx(processHandle,internalItem,0,winKernel.MEM_RELEASE)
		return item.iImage

def getListGroupInfo(windowHandle,groupIndex):
	(processID,threadID)=winUser.getWindowThreadProcessID(windowHandle)
	processHandle=oleacc.GetProcessHandleFromHwnd(windowHandle)
	localInfo=LVGROUP()
	localInfo.cbSize=sizeof(LVGROUP)
	localInfo.mask=LVGF_HEADER|LVGF_FOOTER|LVGF_STATE|LVGF_ALIGN|LVGF_GROUPID
	localInfo.stateMask=0xffffffff
	remoteInfo=winKernel.virtualAllocEx(processHandle,None,sizeof(LVGROUP),winKernel.MEM_COMMIT,winKernel.PAGE_READWRITE)
	winKernel.writeProcessMemory(processHandle,remoteInfo,byref(localInfo),sizeof(LVGROUP),None)
	messageRes=winUser.sendMessage(windowHandle,LVM_GETGROUPINFOBYINDEX,groupIndex,remoteInfo)
	winKernel.readProcessMemory(processHandle,remoteInfo,byref(localInfo),sizeof(LVGROUP),None)
	winKernel.virtualFreeEx(processHandle,remoteInfo,0,winKernel.MEM_RELEASE)
	localHeader=create_unicode_buffer(localInfo.cchHeader)
	winKernel.readProcessMemory(processHandle,localInfo.pszHeader,localHeader,localInfo.cchHeader*2,None)
	localFooter=create_unicode_buffer(localInfo.cchFooter)
	winKernel.readProcessMemory(processHandle,localInfo.pszFooter,localFooter,localInfo.cchFooter*2,None)
	winKernel.closeHandle(processHandle)
	if messageRes==1:
		return dict(header=localHeader.value,footer=localFooter.value,groupID=localInfo.iGroupId,state=localInfo.state,uAlign=localInfo.uAlign,groupIndex=groupIndex)
	else:
		return None

	def _isUIAWindowHelper(self,hwnd):
		# UIA in NVDA's process freezes in Windows 7 and below
		processID=winUser.getWindowThreadProcessID(hwnd)[0]
		if windll.kernel32.GetCurrentProcessId()==processID:
			return False
		import NVDAObjects.window
		windowClass=NVDAObjects.window.Window.normalizeWindowClassName(winUser.getClassName(hwnd))
		# There are certain window classes that just had bad UIA implementations
		if windowClass in badUIAWindowClassNames:
			return False
		if windowClass=="NetUIHWND":
			parentHwnd=winUser.getAncestor(hwnd,winUser.GA_ROOT)
			# #2816: Outlook 2010 auto complete does not fire enough UIA events, IAccessible is better.
			if winUser.getClassName(parentHwnd)=="Net UI Tool Window":
				return False
		# allow the appModule for the window to also choose if this window is bad
		appModule=appModuleHandler.getAppModuleFromProcessID(processID)
		if appModule and appModule.isBadUIAWindow(hwnd):
			return False
		# Ask the window if it supports UIA natively
		return windll.UIAutomationCore.UiaHasServerSideProvider(hwnd)

def connectConsole(obj):
	global consoleObject, consoleOutputHandle, checkDeadTimer
	#Get the process ID of the console this NVDAObject is fore
	processID,threadID=winUser.getWindowThreadProcessID(obj.windowHandle)
	#Attach NVDA to this console so we can access its text etc
	try:
		wincon.AttachConsole(processID)
	except WindowsError as e:
		log.debugWarning("Could not attach console: %r"%e)
		return False
	wincon.SetConsoleCtrlHandler(_consoleCtrlHandler,True)
	consoleOutputHandle=winKernel.CreateFile(u"CONOUT$",winKernel.GENERIC_READ|winKernel.GENERIC_WRITE,winKernel.FILE_SHARE_READ|winKernel.FILE_SHARE_WRITE,None,winKernel.OPEN_EXISTING,0,None)                                                     
	#Register this callback with all the win events we need, storing the given handles for removal later
	for eventID in (winUser.EVENT_CONSOLE_CARET,winUser.EVENT_CONSOLE_UPDATE_REGION,winUser.EVENT_CONSOLE_UPDATE_SIMPLE,winUser.EVENT_CONSOLE_UPDATE_SCROLL,winUser.EVENT_CONSOLE_LAYOUT):
		handle=winUser.setWinEventHook(eventID,eventID,0,consoleWinEventHook,0,0,0)
		if not handle:
			raise OSError("could not register eventID %s"%eventID)
		consoleWinEventHookHandles.append(handle)
	consoleObject=obj
	checkDeadTimer=gui.NonReEntrantTimer(_checkDead)
	checkDeadTimer.Start(CHECK_DEAD_INTERVAL)
	return True