def initialize():
for eventType in winEventIDsToNVDAEventNames.keys():
hookID=winUser.setWinEventHook(eventType,eventType,0,cWinEventCallback,0,0,0)
if hookID:
winEventHookIDs.append(hookID)
else:
log.error("initialize: could not register callback for event %s (%s)"%(eventType,winEventIDsToNVDAEventNames[eventType]))
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
def initialize():
global _remoteLib, _remoteLoader64, localLib, winEventHookID,generateBeep,VBuf_getTextInRange
localLib=cdll.LoadLibrary('lib/nvdaHelperLocal.dll')
for name,func in [
("nvdaController_speakText",nvdaController_speakText),
("nvdaController_cancelSpeech",nvdaController_cancelSpeech),
("nvdaController_brailleMessage",nvdaController_brailleMessage),
("nvdaControllerInternal_inputLangChangeNotify",nvdaControllerInternal_inputLangChangeNotify),
("nvdaControllerInternal_displayModelTextChangeNotify",nvdaControllerInternal_displayModelTextChangeNotify),
("nvdaControllerInternal_logMessage",nvdaControllerInternal_logMessage),
]:
try:
_setDllFuncPointer(localLib,"_%s"%name,func)
except AttributeError:
log.error("nvdaHelperLocal function pointer for %s could not be found, possibly old nvdaHelperLocal dll"%name)
localLib.startServer()
generateBeep=localLib.generateBeep
generateBeep.argtypes=[c_char_p,c_float,c_uint,c_ubyte,c_ubyte]
generateBeep.restype=c_uint
# Handle VBuf_getTextInRange's BSTR out parameter so that the BSTR will be freed automatically.
VBuf_getTextInRange = CFUNCTYPE(c_int, c_int, c_int, c_int, POINTER(BSTR), c_int)(
("VBuf_getTextInRange", localLib),
((1,), (1,), (1,), (2,), (1,)))
#Load nvdaHelperRemote.dll but with an altered search path so it can pick up other dlls in lib
h=windll.kernel32.LoadLibraryExW(os.path.abspath(ur"lib\nvdaHelperRemote.dll"),0,0x8)
if not h:
log.critical("Error loading nvdaHelperRemote.dll: %s" % WinError())
return
_remoteLib=CDLL("nvdaHelperRemote",handle=h)
if _remoteLib.injection_initialize(globalVars.appArgs.secure) == 0:
raise RuntimeError("Error initializing NVDAHelperRemote")
if os.environ.get('PROCESSOR_ARCHITEW6432')=='AMD64':
_remoteLoader64=RemoteLoader64()
winEventHookID=winUser.setWinEventHook(EVENT_TYPEDCHARACTER,EVENT_TYPEDCHARACTER,0,winEventCallback,0,0,0)
def initialize():
global accPropServices
try:
accPropServices=comtypes.client.CreateObject(CAccPropServices)
except (WindowsError,COMError) as e:
log.debugWarning("AccPropServices is not available: %s"%e)
for eventType in winEventIDsToNVDAEventNames.keys():
hookID=winUser.setWinEventHook(eventType,eventType,0,cWinEventCallback,0,0,0)
if hookID:
winEventHookIDs.append(hookID)
else:
log.error("initialize: could not register callback for event %s (%s)"%(eventType,winEventIDsToNVDAEventNames[eventType]))
def initialize():
global accPropServices
try:
accPropServices=comtypes.client.CreateObject(CAccPropServices)
except (WindowsError,COMError) as e:
log.debugWarning("AccPropServices is not available: %s"%e)
for eventType in winEventIDsToNVDAEventNames:
hookID=winUser.setWinEventHook(eventType,eventType,0,cWinEventCallback,0,0,0)
if hookID:
winEventHookIDs.append(hookID)
else:
log.error("initialize: could not register callback for event %s (%s)"%(eventType,winEventIDsToNVDAEventNames[eventType]))
def initialize(processDestroyWinEventFunc: Callable[[
c_int, # window
c_int, # objectID
c_int, # childID
], None]):
global _processDestroyWinEvent
_processDestroyWinEvent = processDestroyWinEventFunc
for eventType in winEventIDsToNVDAEventNames:
hookID = winUser.setWinEventHook(eventType, eventType, 0,
cWinEventCallback, 0, 0, 0)
if hookID:
winEventHookIDs.append(hookID)
else:
log.error(
f"initialize: could not register callback for"
f" event {eventType} ({winEventIDsToNVDAEventNames[eventType]})"
)
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 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(win32con.EVENT_OBJECT_HIDE, win32con.EVENT_OBJECT_HIDE, 0, eventCallback, pid, 0, 0) requestedWSRShowHideEvents = True
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
