def __init__(self):
super().__init__()
self._dll = NVDAHelper.getHelperLocalWin10Dll()
self._dll.ocSpeech_getCurrentVoiceLanguage.restype = ctypes.c_wchar_p
# Set initial values for parameters that can't be queried when prosody is not supported.
# This initialises our cache for the value.
# When prosody is supported, the values are used for cachign reasons.
self._rate = 50
self._pitch = 50
self._volume = 100
if self.supportsProsodyOptions:
self._dll.ocSpeech_getPitch.restype = ctypes.c_double
self._dll.ocSpeech_getVolume.restype = ctypes.c_double
self._dll.ocSpeech_getRate.restype = ctypes.c_double
else:
log.debugWarning("Prosody options not supported")
self._earlyExitCB = False
self._callbackInst = ocSpeech_Callback(self._callback)
self._ocSpeechToken: Optional[
ctypes.POINTER] = self._dll.ocSpeech_initialize(self._callbackInst)
self._dll.ocSpeech_getVoices.restype = NVDAHelper.bstrReturn
self._dll.ocSpeech_getCurrentVoiceId.restype = ctypes.c_wchar_p
self._player = None
# Initialize state.
self._queuedSpeech: List[Union[str,
Tuple[Callable[[ctypes.POINTER, float],
None], float]]] = []
self._wasCancelled = False
self._isProcessing = False
# Initialize the voice to a sane default
self.voice = self._getDefaultVoice()
self._consecutiveSpeechFailures = 0
def __init__(self):
super(SynthDriver, self).__init__()
self._dll = NVDAHelper.getHelperLocalWin10Dll()
self._dll.ocSpeech_getCurrentVoiceLanguage.restype = ctypes.c_wchar_p
# Set initial values for parameters that can't be queried when prosody is not supported.
# This initialises our cache for the value.
# When prosody is supported, the values are used for cachign reasons.
self._rate = 50
self._pitch = 50
self._volume = 100
if self.supportsProsodyOptions:
self._dll.ocSpeech_getPitch.restype = ctypes.c_double
self._dll.ocSpeech_getVolume.restype = ctypes.c_double
self._dll.ocSpeech_getRate.restype = ctypes.c_double
else:
log.debugWarning("Prosody options not supported")
self._handle = self._dll.ocSpeech_initialize()
self._callbackInst = ocSpeech_Callback(self._callback)
self._dll.ocSpeech_setCallback(self._handle, self._callbackInst)
self._dll.ocSpeech_getVoices.restype = NVDAHelper.bstrReturn
self._dll.ocSpeech_getCurrentVoiceId.restype = ctypes.c_wchar_p
self._player = None
# Initialize state.
self._queuedSpeech = []
self._wasCancelled = False
self._isProcessing = False
# Initialize the voice to a sane default
self.voice = self._getDefaultVoice()
def fancyCrackle(self, levels):
levels = self.uniformSample(levels, self.MAX_BEEP_COUNT )
beepLen = self.BEEP_LEN
pauseLen = self.PAUSE_LEN
pauseBufSize = NVDAHelper.generateBeep(None,self.BASE_FREQ,pauseLen,0, 0)
beepBufSizes = [NVDAHelper.generateBeep(None,self.getPitch(l), beepLen, 50, 50) for l in levels]
bufSize = sum(beepBufSizes) + len(levels) * pauseBufSize
buf = ctypes.create_string_buffer(bufSize)
bufPtr = 0
for l in levels:
bufPtr += NVDAHelper.generateBeep(
ctypes.cast(ctypes.byref(buf, bufPtr), ctypes.POINTER(ctypes.c_char)),
self.getPitch(l), beepLen, 50, 50)
bufPtr += pauseBufSize # add a short pause
tones.player.stop()
tones.player.feed(buf.raw)
def __init__(self):
super(SynthDriver, self).__init__()
self._dll = NVDAHelper.getHelperLocalWin10Dll()
self._dll.ocSpeech_getCurrentVoiceLanguage.restype = ctypes.c_wchar_p
# Set initial values for parameters that can't be queried when prosody is not supported.
# This initialises our cache for the value.
# When prosody is supported, the values are used for cachign reasons.
self._rate = 50
self._pitch = 50
self._volume = 100
if self.supportsProsodyOptions:
self._dll.ocSpeech_getPitch.restype = ctypes.c_double
self._dll.ocSpeech_getVolume.restype = ctypes.c_double
self._dll.ocSpeech_getRate.restype = ctypes.c_double
else:
log.debugWarning("Prosody options not supported")
self._handle = self._dll.ocSpeech_initialize()
self._callbackInst = ocSpeech_Callback(self._callback)
self._dll.ocSpeech_setCallback(self._handle, self._callbackInst)
self._dll.ocSpeech_getVoices.restype = NVDAHelper.bstrReturn
self._dll.ocSpeech_getCurrentVoiceId.restype = ctypes.c_wchar_p
self._player= None
# Initialize state.
self._queuedSpeech = []
self._wasCancelled = False
self._isProcessing = False
# Initialize the voice to a sane default
self.voice=self._getDefaultVoice()
def play(values):
pitches = list(map(value_to_pitch, values))
n = len(pitches)
beepBufSizes = [
NVDAHelper.generateBeep(None, pitches[i], beep_duration, beep_volume,
beep_volume) for i in range(n)
]
bufSize = sum(beepBufSizes)
buf = ctypes.create_string_buffer(bufSize)
bufPtr = 0
for pitch in pitches:
bufPtr += NVDAHelper.generateBeep(
ctypes.cast(ctypes.byref(buf, bufPtr),
ctypes.POINTER(ctypes.c_char)), pitch, beep_duration,
beep_volume, beep_volume)
tones.player.stop()
speech.cancelSpeech()
tones.player.feed(buf.raw)
def __init__(self, language=None):
"""
@param language: The language code of the desired recognition language,
C{None} to use the user's configured language.
"""
if language:
self.language = language
else:
self.language = getConfigLanguage()
self._dll = NVDAHelper.getHelperLocalWin10Dll()
def __init__(self, language=None):
"""
@param language: The language code of the desired recognition language,
C{None} to use the user's configured language.
"""
if language:
self.language = language
else:
self.language = getConfigLanguage()
self._dll = NVDAHelper.getHelperLocalWin10Dll()
def initialize():
"""Initialize the watchdog.
"""
global _watcherThread, isRunning
if isRunning:
raise RuntimeError("already running")
isRunning=True
# Catch application crashes.
windll.kernel32.SetUnhandledExceptionFilter(_crashHandler)
oledll.ole32.CoEnableCallCancellation(None)
# Handle cancelled SendMessage calls.
import NVDAHelper
NVDAHelper._setDllFuncPointer(NVDAHelper.localLib, "_notifySendMessageCancelled", _notifySendMessageCancelled)
# Monkey patch comtypes to specially handle cancelled COM calls.
comtypes.COMError.__init__ = _COMError_init
_coreAliveEvent.set()
_resumeEvent.set()
_watcherThread=threading.Thread(target=_watcher)
_watcherThread.start()
def getLanguages():
"""Return the available recognition languages.
@return: A list of language codes suitable to be passed to L{UwpOcr}'s constructor.
These need to be normalized with L{languageHandler.normalizeLanguage}
for use as NVDA language codes.
@rtype: list of str
"""
dll = NVDAHelper.getHelperLocalWin10Dll()
dll.uwpOcr_getLanguages.restype = NVDAHelper.bstrReturn
langs = dll.uwpOcr_getLanguages()
return langs.split(";")[:-1]
def getLanguages():
"""Return the available recognition languages.
@return: A list of language codes suitable to be passed to L{UwpOcr}'s constructor.
These need to be normalized with L{languageHandler.normalizeLanguage}
for use as NVDA language codes.
@rtype: list of unicode
"""
dll = NVDAHelper.getHelperLocalWin10Dll()
dll.uwpOcr_getLanguages.restype = NVDAHelper.bstrReturn
langs = dll.uwpOcr_getLanguages()
return langs.split(";")[:-1]
def initialize():
"""Initialize the watchdog.
"""
global _watcherThread, isRunning, _cancelCallEvent
if isRunning:
raise RuntimeError("already running")
isRunning = True
# Catch application crashes.
windll.kernel32.SetUnhandledExceptionFilter(_crashHandler)
oledll.ole32.CoEnableCallCancellation(None)
# Cache cancelCallEvent.
_cancelCallEvent = ctypes.wintypes.HANDLE.in_dll(NVDAHelper.localLib,
"cancelCallEvent")
# Handle cancelled SendMessage calls.
NVDAHelper._setDllFuncPointer(NVDAHelper.localLib,
"_notifySendMessageCancelled",
_notifySendMessageCancelled)
_watcherThread = threading.Thread(name=__name__, target=_watcher)
alive()
_watcherThread.start()
def fancyBeep(self, chord, length, left=10, right=10):
beepLen = length
freqs = self.getChordFrequencies(chord)
intSize = 8 # bytes
bufSize = max([NVDAHelper.generateBeep(None,freq, beepLen, right, left) for freq in freqs])
if bufSize % intSize != 0:
bufSize += intSize
bufSize -= (bufSize % intSize)
tones.player.stop()
bbs = []
result = [0] * (bufSize//intSize)
for freq in freqs:
buf = ctypes.create_string_buffer(bufSize)
NVDAHelper.generateBeep(buf, freq, beepLen, right, left)
bytes = bytearray(buf)
unpacked = struct.unpack("<%dQ" % (bufSize / intSize), bytes)
result = map(operator.add, result, unpacked)
maxInt = 1 << (8 * intSize)
result = map(lambda x : x %maxInt, result)
packed = struct.pack("<%dQ" % (bufSize / intSize), *result)
tones.player.feed(packed)
def _getFieldsInRange(self, start: int, end: int) -> textInfos.TextInfo.TextWithFieldsT: text=NVDAHelper.VBuf_getTextInRange(self.obj.VBufHandle,start,end,True) if not text: return [""] commandList = XMLFormatting.XMLTextParser().parse(text) commandList = [ self._normalizeCommand(command) for command in commandList # drop None to convert from XMLFormatting.CommandListT to textInfos.TextInfo.TextWithFieldsT if command is not None ] return commandList
def initialize():
"""Initialize the watchdog.
"""
global _watcherThread, isRunning
if isRunning:
raise RuntimeError("already running")
isRunning = True
# Catch application crashes.
windll.kernel32.SetUnhandledExceptionFilter(_crashHandler)
oledll.ole32.CoEnableCallCancellation(None)
# Handle cancelled SendMessage calls.
import NVDAHelper
NVDAHelper._setDllFuncPointer(NVDAHelper.localLib,
"_notifySendMessageCancelled",
_notifySendMessageCancelled)
# Monkey patch comtypes to specially handle cancelled COM calls.
comtypes.COMError.__init__ = _COMError_init
_coreAliveEvent.set()
_resumeEvent.set()
_watcherThread = threading.Thread(target=_watcher)
_watcherThread.start()
def _getFieldsInRange(self,start,end): text=NVDAHelper.VBuf_getTextInRange(self.obj.VBufHandle,start,end,True) if not text: return "" commandList=XMLFormatting.XMLTextParser().parse(text) for index in range(len(commandList)): if isinstance(commandList[index],textInfos.FieldCommand): field=commandList[index].field if isinstance(field,textInfos.ControlField): commandList[index].field=self._normalizeControlField(field) elif isinstance(field,textInfos.FormatField): commandList[index].field=self._normalizeFormatField(field) return commandList
def getTextWithFields(self,formatConfig=None): start=self._startOffset end=self._endOffset if start==end: return "" text=NVDAHelper.VBuf_getTextInRange(self.obj.VBufHandle,start,end,True) if not text: return "" commandList=XMLFormatting.XMLTextParser().parse(text) for index in xrange(len(commandList)): if isinstance(commandList[index],textInfos.FieldCommand): field=commandList[index].field if isinstance(field,textInfos.ControlField): commandList[index].field=self._normalizeControlField(field) elif isinstance(field,textInfos.FormatField): commandList[index].field=self._normalizeFormatField(field) return commandList
def _getFieldsInRange(self, start, end):
text = NVDAHelper.VBuf_getTextInRange(self.obj.VBufHandle, start, end,
True)
if not text:
return ""
commandList: typing.List[
textInfos.FieldCommand] = XMLFormatting.XMLTextParser().parse(text)
for command in commandList:
if not isinstance(command, textInfos.FieldCommand):
continue # no need to normalize str or None
field = command.field
if isinstance(field, textInfos.ControlField):
command.field = self._normalizeControlField(field)
elif isinstance(field, textInfos.FormatField):
command.field = self._normalizeFormatField(field)
return commandList
def __init__(self): super(SynthDriver, self).__init__() self._dll = NVDAHelper.getHelperLocalWin10Dll() self._dll.ocSpeech_getCurrentVoiceLanguage.restype = ctypes.c_wchar_p self._handle = self._dll.ocSpeech_initialize() self._callbackInst = ocSpeech_Callback(self._callback) self._dll.ocSpeech_setCallback(self._handle, self._callbackInst) self._dll.ocSpeech_getVoices.restype = NVDAHelper.bstrReturn self._dll.ocSpeech_getCurrentVoiceId.restype = ctypes.c_wchar_p self._player = nvwave.WavePlayer(1, SAMPLES_PER_SEC, BITS_PER_SAMPLE, outputDevice=config.conf["speech"]["outputDevice"]) # Initialize state. self._queuedSpeech = [] self._wasCancelled = False self._isProcessing = False # Set initial values for parameters that can't be queried. # This initialises our cache for the value. self.rate = 50 self.pitch = 50 self.volume = 100
def __init__(self): super(SynthDriver, self).__init__() self._dll = NVDAHelper.getHelperLocalWin10Dll() self._dll.ocSpeech_getCurrentVoiceLanguage.restype = ctypes.c_wchar_p self._handle = self._dll.ocSpeech_initialize() self._callbackInst = ocSpeech_Callback(self._callback) self._dll.ocSpeech_setCallback(self._handle, self._callbackInst) self._dll.ocSpeech_getVoices.restype = NVDAHelper.bstrReturn self._dll.ocSpeech_getCurrentVoiceId.restype = ctypes.c_wchar_p self._player= None # Initialize state. self._queuedSpeech = [] self._wasCancelled = False self._isProcessing = False # Initialize the voice to a sane default self.voice=self._getDefaultVoice() # Set initial values for parameters that can't be queried. # This initialises our cache for the value. self.rate = 50 self.pitch = 50 self.volume = 100
def __init__(self): super(SynthDriver, self).__init__() self._dll = NVDAHelper.getHelperLocalWin10Dll() self._dll.ocSpeech_getCurrentVoiceLanguage.restype = ctypes.c_wchar_p self._handle = self._dll.ocSpeech_initialize() self._callbackInst = ocSpeech_Callback(self._callback) self._dll.ocSpeech_setCallback(self._handle, self._callbackInst) self._dll.ocSpeech_getVoices.restype = NVDAHelper.bstrReturn self._dll.ocSpeech_getCurrentVoiceId.restype = ctypes.c_wchar_p self._player= None # Initialize state. self._queuedSpeech = [] self._wasCancelled = False self._isProcessing = False # Initialize the voice to a sane default self.voice=self._getDefaultVoice() # Set initial values for parameters that can't be queried. # This initialises our cache for the value. self.rate = 50 self.pitch = 50 self.volume = 100
def __init__(self):
super(SynthDriver, self).__init__()
self._dll = NVDAHelper.getHelperLocalWin10Dll()
self._dll.ocSpeech_getCurrentVoiceLanguage.restype = ctypes.c_wchar_p
self._handle = self._dll.ocSpeech_initialize()
self._callbackInst = ocSpeech_Callback(self._callback)
self._dll.ocSpeech_setCallback(self._handle, self._callbackInst)
self._dll.ocSpeech_getVoices.restype = NVDAHelper.bstrReturn
self._dll.ocSpeech_getCurrentVoiceId.restype = ctypes.c_wchar_p
self._player = nvwave.WavePlayer(
1,
SAMPLES_PER_SEC,
BITS_PER_SAMPLE,
outputDevice=config.conf["speech"]["outputDevice"])
# Initialize state.
self._queuedSpeech = []
self._wasCancelled = False
self._isProcessing = False
# Set initial values for parameters that can't be queried.
# This initialises our cache for the value.
self.rate = 50
self.pitch = 50
self.volume = 100
def _getTextRange(self,start,end): if start==end: return u"" return NVDAHelper.VBuf_getTextInRange(self.obj.VBufHandle,start,end,False) or u""
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(f"Config dir: {globalVars.appArgs.configPath}")
log.debug("loading config")
import config
config.initialize()
if config.conf['development']['enableScratchpadDir']:
log.info("Developer Scratchpad mode enabled")
if not globalVars.appArgs.minimal and config.conf["general"][
"playStartAndExitSounds"]:
try:
nvwave.playWaveFile(
os.path.join(globalVars.appDir, "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)
log.info(f"Windows version: {winVersion.getWinVer()}")
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()
log.debug("Initializing tones")
import tones
tones.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
import six
log.info("Using wx version %s with six version %s" %
(wx.version(), six.__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)
def InitLocale(self):
# Backport of `InitLocale` from wx Python 4.1.2 as the current version tries to set a Python
# locale to an nonexistent one when creating an instance of `wx.App`.
# This causes a crash when running under a particular version of Universal CRT (#12160)
import locale
locale.setlocale(locale.LC_ALL, "C")
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(os.path.join(globalVars.appDir, "waves",
"exit.wav"),
asynchronous=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 vision
log.debug("Initializing vision")
vision.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"
# Windows constants for power / display changes
WM_POWERBROADCAST = 0x218
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 == winUser.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)
import versionInfo
messageWindow = MessageWindow(versionInfo.name)
# initialize wxpython localization support
locale = wx.Locale()
wxLang = getWxLangOrNone()
if hasattr(sys, 'frozen'):
locale.AddCatalogLookupPathPrefix(
os.path.join(globalVars.appDir, "locale"))
if wxLang:
try:
locale.Init(wxLang.Language)
except:
log.error("Failed to initialize wx locale", exc_info=True)
finally:
# Revert wx's changes to the python locale
languageHandler.setLocale(languageHandler.curLang)
log.debug("Initializing garbageHandler")
garbageHandler.initialize()
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()
log.info("Java Access Bridge support initialized")
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 legacy winConsole support")
winConsoleHandler.initialize()
import UIAHandler
log.debug("Initializing UIA support")
try:
UIAHandler.initialize()
except RuntimeError:
log.warning("UIA disabled in configuration")
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,
copyPortableConfig=globalVars.appArgs.copyPortableConfig,
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:
from gui.startupDialogs import LauncherDialog
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()
vision.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")
# Queue the firing of the postNVDAStartup notification.
# This is queued so that it will run from within the core loop,
# and initial focus has been reported.
def _doPostNvdaStartupAction():
log.debug("Notify of postNvdaStartup action")
postNvdaStartup.notify()
queueHandler.queueFunction(queueHandler.eventQueue,
_doPostNvdaStartupAction)
log.debug("entering wx application main loop")
app.MainLoop()
log.info("Exiting")
# If MainLoop is terminated through WM_QUIT, such as starting an NVDA instance older than 2021.1,
# triggerNVDAExit has not been called yet
if triggerNVDAExit():
log.debug("NVDA not already exiting, hit catch-all exit trigger."
" This likely indicates NVDA is exiting due to WM_QUIT.")
queueHandler.pumpAll()
_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="Legacy winConsole support")
_terminate(JABHandler, name="Java Access Bridge support")
_terminate(appModuleHandler, name="app module handler")
_terminate(tones)
_terminate(NVDAHelper)
_terminate(touchHandler)
_terminate(keyboardHandler, name="keyboard handler")
_terminate(mouseHandler)
_terminate(inputCore)
_terminate(vision)
_terminate(brailleInput)
_terminate(braille)
_terminate(speech)
_terminate(addonHandler)
_terminate(garbageHandler)
# DMP is only started if needed.
# Terminate manually (and let it write to the log if necessary)
# as core._terminate always writes an entry.
try:
import diffHandler
diffHandler._dmp._terminate()
except Exception:
log.exception("Exception while terminating DMP")
if not globalVars.appArgs.minimal and config.conf["general"][
"playStartAndExitSounds"]:
try:
nvwave.playWaveFile(os.path.join(globalVars.appDir, "waves",
"exit.wav"),
asynchronous=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")
def update(self):
# t = logTimeStart()
if self.treeInterceptor is None or not self.treeInterceptor.isReady:
self._ready = False
return False
try:
info = self.treeInterceptor.makeTextInfo(textInfos.POSITION_LAST)
except:
self._ready = False
return False
try:
size = info._endOffset + 1
except:
self._ready = False
return False
if size == self.treeInterceptorSize:
# probably not changed
return False
self.treeInterceptorSize = size
if True:
self.updating = True
info = self.treeInterceptor.makeTextInfo(textInfos.POSITION_ALL)
self.info = info
start = info._startOffset
end = info._endOffset
if start == end:
self._ready = False
return False
text = NVDAHelper.VBuf_getTextInRange(info.obj.VBufHandle, start,
end, True)
if self.mainNode is not None:
self.mainNode.recursiveDelete()
self.parseXML(text)
# logTime("Update node manager %d, text=%d" % (self.index, len(text)), t)
self.info = None
gc.collect()
else:
self.updating = False
self._ready = False
log.info(u"reading vBuff error")
return False
# self.info = info
if self.mainNode is None:
self.updating = False
self._ready = False
return False
self.identifier = time.time()
# logTime ("Update node manager %d nodes" % len(fields), t)
self.updating = False
# playWebAppSound ("tick")
self._curNode = self.caretNode = self.getCaretNode()
try:
info = self.treeInterceptor.makeTextInfo(textInfos.POSITION_LAST)
except:
self._ready = False
return False
size = info._endOffset + 1
from . import webAppScheduler
if size != self.treeInterceptorSize:
# treeInterceptor has changed during analyze
self._ready = False
webAppScheduler.scheduler.send(
eventName="updateNodeManager",
treeInterceptor=self.treeInterceptor)
return False
else:
self._ready = True
webAppScheduler.scheduler.send(eventName="nodeManagerUpdated",
nodeManager=self)
return True
return False
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")
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")
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()
logHandler.setPlayErrorSoundFromConfig()
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")
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")