def run(self): global _isPumpPending _isPumpPending = False # print("pumpujuuu") watchdog.alive() try: # if touchHandler.handler: # touchHandler.handler.pump() JABHandler.pumpAll() # IAccessibleHandler.pumpAll() queueHandler.pumpAll() # mouseHandler.pumpAll() # braille.pumpAll() # vision.pumpAll() except Exception as e: print("errors in this core pump cycle", e) # raise # baseObject.AutoPropertyObject.invalidateCaches() # print("spinkam") watchdog.asleep() # print("vstalsem") if _isPumpPending and not _pump.IsRunning(): # #3803: Another pump was requested during this pump execution. # As our pump is not re-entrant, schedule another pump. _pump.Start(PUMP_MAX_DELAY, True)
def 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 (instantiating 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 # 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 (childID == 0 and objectID == winUser.OBJID_CLIENT and 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: # noqa: E722 Bare except realChildID = None if isinstance(realChildID, int) and realChildID > 0 and realChildID != childID: realObj = NVDAObjects.IAccessible.IAccessible( IAccessibleObject=obj.IAccessibleObject, IAccessibleChildID=realChildID, event_windowHandle=window, event_objectID=objectID, event_childID=realChildID) if realObj: obj = realObj return processFocusNVDAEvent(obj, force=force)
def doAction(self, index=None): if index is None: index = self.defaultActionIndex try: JABHandler.bridgeDll.doAccessibleActions(self.jabContext.vmID, self.jabContext.accContext, JABHandler.AccessibleActionsToDo(actionsCount=1, actions=(self._actions[index],)), JABHandler.jint()) except (IndexError, RuntimeError): raise NotImplementedError
def Notify(self): try: JABHandler.pumpAll() IAccessibleHandler.pumpAll() queueHandler.pumpAll() mouseHandler.pumpAll() except: log.exception("errors in this core pump cycle") baseObject.AutoPropertyObject.invalidateCaches() watchdog.alive()
def 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()
def processPendingEvents(processEventQueue=True): # Import late to avoid circular import. import IAccessibleHandler import JABHandler import wx import queueHandler watchdog.alive() wx.Yield() JABHandler.pumpAll() IAccessibleHandler.pumpAll() import baseObject baseObject.AutoPropertyObject.invalidateCaches() if processEventQueue: queueHandler.flushQueue(queueHandler.eventQueue)
def getPossibleAPIClasses(cls,kwargs,relation=None): windowHandle=kwargs['windowHandle'] windowClassName=winUser.getClassName(windowHandle) #The desktop window should stay as a window if windowClassName=="#32769": return #If this window has a ghost window its too dangerous to try any higher APIs if GhostWindowFromHungWindow and GhostWindowFromHungWindow(windowHandle): return if windowClassName=="EXCEL7" and (relation=='focus' or isinstance(relation,tuple)): from . import excel yield excel.ExcelCell if windowClassName=="EXCEL:": from .excel import ExcelDropdown as newCls yield newCls import JABHandler if JABHandler.isJavaWindow(windowHandle): import NVDAObjects.JAB yield NVDAObjects.JAB.JAB import UIAHandler if UIAHandler.handler and UIAHandler.handler.isUIAWindow(windowHandle): import NVDAObjects.UIA yield NVDAObjects.UIA.UIA import NVDAObjects.IAccessible yield NVDAObjects.IAccessible.IAccessible
def _get_keyboardShortcut(self): bindings=self.jabContext.getAccessibleKeyBindings() if not bindings or bindings.keyBindingsCount<1: return None shortcutsList=[] for index in range(bindings.keyBindingsCount): binding=bindings.keyBindingInfo[index] # We don't support these modifiers if binding.modifiers & ( JABHandler.AccessibleKeystroke.META | JABHandler.AccessibleKeystroke.ALT_GRAPH | JABHandler.AccessibleKeystroke.BUTTON1 | JABHandler.AccessibleKeystroke.BUTTON2 | JABHandler.AccessibleKeystroke.BUTTON3 ): continue modifiers = binding.modifiers # We assume alt if there are no modifiers at all and its not a menu item as this is clearly a nmonic if not modifiers and self.role != controlTypes.Role.MENUITEM: modifiers |= JABHandler.AccessibleKeystroke.ALT keyList = [ keyLabels.localizedKeyLabels.get(l, l) for l in JABHandler._getKeyLabels(modifiers, binding.character) ] shortcutsList.append("+".join(keyList)) return ", ".join(shortcutsList)
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 processForegroundWinEvent(window, objectID, childID): """checks to see if the foreground win event is not the same as the existing focus or any of its parents, then converts the win event to an NVDA event (instantiating an NVDA Object) and then checks the NVDAObject against the existing focus object. If all is ok it queues the foreground event to NVDA and returns True. @param window: a win event's window handle @type window: integer @param objectID: a win event's object ID @type objectID: integer @param childID: a win event's child ID @type childID: integer @returns: True if the foreground was processed, False otherwise. @rtype: boolean """ # Ignore foreground events on windows that aren't the current foreground window if window != winUser.getForegroundWindow(): return False # If there is a pending gainFocus, it will handle the foreground object. oldFocus = eventHandler.lastQueuedFocusObject # If this foreground win event's window is an ancestor of the existing focus's window, then ignore it if (isinstance(oldFocus, NVDAObjects.window.Window) and winUser.isDescendantWindow(window, oldFocus.windowHandle)): return False # If the existing focus has the same win event params as these, then ignore this event if (isinstance(oldFocus, NVDAObjects.IAccessible.IAccessible) and window == oldFocus.event_windowHandle and objectID == oldFocus.event_objectID and childID == oldFocus.event_childID): return False # Notify appModuleHandler of this new foreground window appModuleHandler.update(winUser.getWindowThreadProcessID(window)[0]) # If Java access bridge is running, and this is a java window, then pass it to java and forget about it if JABHandler.isRunning and JABHandler.isJavaWindow(window): JABHandler.event_enterJavaWindow(window) return True # Convert the win event to an NVDA event NVDAEvent = winEventToNVDAEvent(winUser.EVENT_SYSTEM_FOREGROUND, window, objectID, childID, useCache=False) if not NVDAEvent: return False eventHandler.queueEvent(*NVDAEvent) return True
def kwargsFromSuper(cls,kwargs,relation=None): jabContext=None windowHandle=kwargs['windowHandle'] if relation=="focus": vmID=ctypes.c_int() accContext=JABHandler.JOBJECT64() JABHandler.bridgeDll.getAccessibleContextWithFocus(windowHandle,ctypes.byref(vmID),ctypes.byref(accContext)) jabContext=JABHandler.JABContext(hwnd=windowHandle,vmID=vmID.value,accContext=accContext.value) elif isinstance(relation,tuple): jabContext=JABHandler.JABContext(hwnd=windowHandle) if jabContext: jabContext=jabContext.getAccessibleContextAt(*relation) else: jabContext=JABHandler.JABContext(hwnd=windowHandle) if not jabContext: return False kwargs['jabContext']=jabContext return True
def _getJABRelationTargets(self, key): rs = self.jabContext.getAccessibleRelationSet() targets=[] for relation in rs.relations[:rs.relationCount]: for target in relation.targets[:relation.targetCount]: if relation.key == key: targets.append(JABHandler.JABContext(self.jabContext.hwnd, self.jabContext.vmID, target)) else: JABHandler.bridgeDll.releaseJavaObject(self.jabContext.vmID,target) return targets
def testFKeyShortcut(self): for c in FKEY_SHORTCUTS: for modifierCombination in MODIFIER_COMBINATIONS: modifiers = AccessibleKeystroke.FKEY modLabels = [] for m, l in modifierCombination.items(): modifiers |= m modLabels.append(l) with self.subTest(fkey=ord(c), modifiers=modifiers, modLabels=modLabels): expected = modLabels + ["F{}".format(ord(c))] self.assertListEqual(expected, JABHandler._getKeyLabels(modifiers, c))
def testControlCodeShortcut(self): for c, v in JABHandler.JABKeyControlCodesToLabels.items(): for modifierCombination in MODIFIER_COMBINATIONS: modifiers = AccessibleKeystroke.CONTROLCODE modLabels = [] for m, l in modifierCombination.items(): modifiers |= m modLabels.append(l) with self.subTest(controlCode=c, label=v, modifiers=modifiers, modLabels=modLabels): expected = modLabels + [v] self.assertListEqual(expected, JABHandler._getKeyLabels(modifiers, chr(c)))
def testBasicShortcut(self): for c in BASIC_SHORTCUT_KEYS: for modifierCombination in MODIFIER_COMBINATIONS: modifiers = 0 modLabels = [] for m, l in modifierCombination.items(): modifiers |= m modLabels.append(l) with self.subTest(character=c, modifiers=modifiers, modLabels=modLabels): expected = modLabels + [c] self.assertListEqual(expected, JABHandler._getKeyLabels(modifiers, c))
def run(self): global _isPumpPending _isPumpPending = False watchdog.alive() try: if touchHandler.handler: touchHandler.handler.pump() JABHandler.pumpAll() IAccessibleHandler.pumpAll() queueHandler.pumpAll() mouseHandler.pumpAll() braille.pumpAll() except: log.exception("errors in this core pump cycle") baseObject.AutoPropertyObject.invalidateCaches() watchdog.asleep() if _isPumpPending and not _pump.IsRunning(): # #3803: Another pump was requested during this pump execution. # As our pump is not re-entrant, schedule another pump. _pump.Start(PUMP_MAX_DELAY, True)
def _getJABRelationFirstTarget(self, key): rs = self.jabContext.getAccessibleRelationSet() targetObj = None for relation in rs.relations[:rs.relationCount]: for target in relation.targets[:relation.targetCount]: if not targetObj and relation.key == key: targetObj = JAB(jabContext=JABHandler.JABContext( self.jabContext.hwnd, self.jabContext.vmID, target)) else: JABHandler.bridgeDll.releaseJavaObject( self.jabContext.vmID, target) return targetObj
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)
def processForegroundWinEvent(window,objectID,childID): """checks to see if the foreground win event is not the same as the existing focus or any of its parents, then converts the win event to an NVDA event (instanciating an NVDA Object) and then checks the NVDAObject against the existing focus object. If all is ok it queues the foreground event to NVDA and returns True. @param window: a win event's window handle @type window: integer @param objectID: a win event's object ID @type objectID: integer @param childID: a win event's child ID @type childID: integer @returns: True if the foreground was processed, False otherwise. @rtype: boolean """ #Ignore foreground events on windows that aren't the current foreground window if window!=winUser.getForegroundWindow(): return False # If there is a pending gainFocus, it will handle the foreground object. oldFocus=eventHandler.lastQueuedFocusObject #If this foreground win event's window is an ancestor of the existing focus's window, then ignore it if isinstance(oldFocus,NVDAObjects.window.Window) and winUser.isDescendantWindow(window,oldFocus.windowHandle): return False #If the existing focus has the same win event params as these, then ignore this event if isinstance(oldFocus,NVDAObjects.IAccessible.IAccessible) and window==oldFocus.event_windowHandle and objectID==oldFocus.event_objectID and childID==oldFocus.event_childID: return False #Notify appModuleHandler of this new foreground window appModuleHandler.update(winUser.getWindowThreadProcessID(window)[0]) #If Java access bridge is running, and this is a java window, then pass it to java and forget about it if JABHandler.isRunning and JABHandler.isJavaWindow(window): JABHandler.event_enterJavaWindow(window) return True #Convert the win event to an NVDA event NVDAEvent=winEventToNVDAEvent(winUser.EVENT_SYSTEM_FOREGROUND,window,objectID,childID,useCache=False) if not NVDAEvent: return False eventHandler.queueEvent(*NVDAEvent) return True
def getPossibleAPIClasses(cls,kwargs,relation=None): windowHandle=kwargs['windowHandle'] windowClassName=winUser.getClassName(windowHandle) #The desktop window should stay as a window if windowClassName=="#32769": return if windowClassName=="EXCEL7" and (relation=='focus' or isinstance(relation,tuple)): from . import excel yield excel.ExcelCell import JABHandler if JABHandler.isJavaWindow(windowHandle): import NVDAObjects.JAB yield NVDAObjects.JAB.JAB import UIAHandler if UIAHandler.handler and UIAHandler.handler.isUIAWindow(windowHandle): import NVDAObjects.UIA yield NVDAObjects.UIA.UIA import NVDAObjects.IAccessible yield NVDAObjects.IAccessible.IAccessible
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 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") 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")
appDir = os.path.abspath(appDir) print(appDir) os.chdir(appDir) globalVars.appDir = appDir import sourceEnv # from pynput import mouse # from pynput import keyboard # sys.path.append(os.path.join('c:\\','RPA', 'NVDA', 'source')) import JABHandler import core import wx import addonHandler JABHandler.initialize() # import gui # handle = int(0x0000000000030A04) # handle = int(0x0000000000030322) # # handle = int(0x0001042c) # # kontext = JABHandler.JABContext(handle) # kontext = JABHandler.JABContext(vmID=4408) # # kontext_info = kontext.getAccessibleContextInfo() # # kontext_info.name # JABHandler.event_enterJavaWindow(handle)
def _get__actions(self): actions = JABHandler.AccessibleActions() JABHandler.bridgeDll.getAccessibleActions(self.jabContext.vmID, self.jabContext.accContext, actions) return actions.actionInfo[:actions.actionsCount]
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")