def terminate():
import brailleViewer
brailleViewer.destroyBrailleViewer()
# prevent race condition with object deletion
# prevent deletion of the object while we work on it.
_SettingsDialog = settingsDialogs.SettingsDialog
nonWeak: typing.Dict[_SettingsDialog,
_SettingsDialog] = dict(_SettingsDialog._instances)
for instance, state in nonWeak.items():
if state is _SettingsDialog.DialogState.DESTROYED:
log.error(
"Destroyed but not deleted instance of gui.SettingsDialog exists"
f": {instance.title} - {instance.__class__.__qualname__} - {instance}"
)
else:
log.debug("Exiting NVDA with an open settings dialog: {!r}".format(
instance))
global mainFrame
# This is called after the main loop exits because WM_QUIT exits the main loop
# without destroying all objects correctly and we need to support WM_QUIT.
# Therefore, any request to exit should exit the main loop.
safeAppExit()
# #4460: We need another iteration of the main loop
# so that everything (especially the TaskBarIcon) is cleaned up properly.
# ProcessPendingEvents doesn't seem to work, but MainLoop does.
# Because the top window gets destroyed,
# MainLoop thankfully returns pretty quickly.
wx.GetApp().MainLoop()
mainFrame = None
def handleNVDAModuleCleanupBeforeGUIExit(): """ Terminates various modules that rely on the GUI. This should be used before closing all windows and terminating the GUI """ import brailleViewer # before the GUI is terminated we must terminate the update checker if updateCheck: _terminate(updateCheck) # The core is expected to terminate, so we should not treat this as a crash _terminate(watchdog) # plugins must be allowed to close safely before we terminate the GUI as dialogs may be unsaved _terminate(globalPluginHandler) # the brailleViewer should be destroyed safely before closing the window brailleViewer.destroyBrailleViewer()
def terminate():
import brailleViewer
brailleViewer.destroyBrailleViewer()
for instance, state in gui.SettingsDialog._instances.items():
if state is gui.SettingsDialog._DIALOG_DESTROYED_STATE:
log.error(
"Destroyed but not deleted instance of settings dialog exists: {!r}".format(instance)
)
else:
log.debug("Exiting NVDA with an open settings dialog: {!r}".format(instance))
global mainFrame
# This is called after the main loop exits because WM_QUIT exits the main loop
# without destroying all objects correctly and we need to support WM_QUIT.
# Therefore, any request to exit should exit the main loop.
safeAppExit()
# #4460: We need another iteration of the main loop
# so that everything (especially the TaskBarIcon) is cleaned up properly.
# ProcessPendingEvents doesn't seem to work, but MainLoop does.
# Because the top window gets destroyed,
# MainLoop thankfully returns pretty quickly.
wx.GetApp().MainLoop()
mainFrame = None
def onToggleBrailleViewerCommand(self, evt): import brailleViewer if brailleViewer.isBrailleViewerActive(): brailleViewer.destroyBrailleViewer() else: brailleViewer.createBrailleViewerTool()
