def reloadTorrc(self):
"""
Reloads the torrc, displaying an indicator of success or failure.
"""
try:
torConfig.getTorrc().load()
self._lastContentHeightArgs = None
self.redraw(True)
resultMsg = "torrc reloaded"
except IOError:
resultMsg = "failed to reload torrc"
self._lastContentHeightArgs = None
self.redraw(True)
popups.showMsg(resultMsg, 1)
def quit(self):
"""
Terminates arm after the input is processed. Optionally if we're connected
to a arm generated tor instance then this may check if that should be shut
down too.
"""
self._isDone = True
# check if the torrc has a "ARM_SHUTDOWN" comment flag, if so then shut
# down the instance
isShutdownFlagPresent = False
torrcContents = torConfig.getTorrc().getContents()
if torrcContents:
for line in torrcContents:
if "# ARM_SHUTDOWN" in line:
isShutdownFlagPresent = True
break
if isShutdownFlagPresent:
try:
torTools.getConn().shutdown()
except IOError, exc:
cli.popups.showMsg(str(exc), 3, curses.A_BOLD)
def quit(self):
"""
Terminates arm after the input is processed. Optionally if we're connected
to a arm generated tor instance then this may check if that should be shut
down too.
"""
self._isDone = True
# check if the torrc has a "ARM_SHUTDOWN" comment flag, if so then shut
# down the instance
isShutdownFlagPresent = False
torrcContents = torConfig.getTorrc().getContents()
if torrcContents:
for line in torrcContents:
if "# ARM_SHUTDOWN" in line:
isShutdownFlagPresent = True
break
if isShutdownFlagPresent:
try:
torTools.getConn().shutdown()
except IOError, exc:
cli.popups.showMsg(str(exc), 3, curses.A_BOLD)
def reloadTorrc(self):
"""
Reloads the torrc, displaying an indicator of success or failure.
"""
try:
torConfig.getTorrc().load()
self._lastContentHeightArgs = None
self.redraw(True)
resultMsg = "torrc reloaded"
except IOError:
resultMsg = "failed to reload torrc"
self._lastContentHeightArgs = None
self.redraw(True)
popups.showMsg(resultMsg, 1)
def resetListener(self, controller, eventType, _):
"""
Reloads and displays the torrc on tor reload (sighup) events.
"""
if eventType == State.INIT:
# loads the torrc and provides warnings in case of validation errors
try:
loadedTorrc = torConfig.getTorrc()
loadedTorrc.load(True)
loadedTorrc.logValidationIssues()
self.redraw(True)
except:
pass
elif eventType == State.RESET:
try:
torConfig.getTorrc().load(True)
self.redraw(True)
except:
pass
def resetListener(self, controller, eventType, _):
"""
Reloads and displays the torrc on tor reload (sighup) events.
"""
if eventType == State.INIT:
# loads the torrc and provides warnings in case of validation errors
try:
loadedTorrc = torConfig.getTorrc()
loadedTorrc.load(True)
loadedTorrc.logValidationIssues()
self.redraw(True)
except:
pass
elif eventType == State.RESET:
try:
torConfig.getTorrc().load(True)
self.redraw(True)
except:
pass
def connResetListener(conn, eventType):
"""
Pauses connection resolution when tor's shut down, and resumes with the new
pid if started again.
"""
if connections.isResolverAlive("tor"):
resolver = connections.getResolver("tor")
resolver.setPaused(eventType == torTools.State.CLOSED)
if eventType in (torTools.State.INIT, torTools.State.RESET):
# Reload the torrc contents. If the torrc panel is present then it will
# do this instead since it wants to do validation and redraw _after_ the
# new contents are loaded.
if getController().getPanel("torrc") == None:
torConfig.getTorrc().load(True)
torPid = conn.getMyPid()
if torPid and torPid != resolver.getPid():
resolver.setPid(torPid)
def connResetListener(controller, eventType, _):
"""
Pauses connection resolution when tor's shut down, and resumes with the new
pid if started again.
"""
if connections.isResolverAlive("tor"):
resolver = connections.getResolver("tor")
resolver.setPaused(eventType == State.CLOSED)
if eventType in (State.INIT, State.RESET):
# Reload the torrc contents. If the torrc panel is present then it will
# do this instead since it wants to do validation and redraw _after_ the
# new contents are loaded.
if getController().getPanel("torrc") == None:
torConfig.getTorrc().load(True)
torPid = controller.get_info("process/pid", None)
if torPid and torPid != resolver.getPid():
resolver.setPid(torPid)
def quit(self):
"""
Terminates arm after the input is processed. Optionally if we're connected
to a arm generated tor instance then this may check if that should be shut
down too.
"""
self._isDone = True
# check if the torrc has a "ARM_SHUTDOWN" comment flag, if so then shut
# down the instance
isShutdownFlagPresent = False
torrcContents = torConfig.getTorrc().getContents()
if torrcContents:
for line in torrcContents:
if "# ARM_SHUTDOWN" in line:
isShutdownFlagPresent = True
break
if isShutdownFlagPresent:
try: torTools.getConn().shutdown()
except IOError, exc: cli.popups.showMsg(str(exc), 3, curses.A_BOLD)
if CONFIG["features.offerTorShutdownOnQuit"]:
conn = torTools.getConn()
if self.getTorManager().isManaged(conn):
while True:
msg = "Shut down the Tor instance arm started (y/n)?"
confirmationKey = cli.popups.showMsg(msg, attr = curses.A_BOLD)
if confirmationKey in (ord('y'), ord('Y')):
# attempts a graceful shutdown of tor, showing the issue if
# unsuccessful then continuing the shutdown
try: conn.shutdown()
except IOError, exc: cli.popups.showMsg(str(exc), 3, curses.A_BOLD)
break
elif confirmationKey in (ord('n'), ord('N')):
break
def showWriteDialog(self):
"""
Provies an interface to confirm if the configuration is saved and, if so,
where.
"""
# display a popup for saving the current configuration
configLines = torConfig.getCustomOptions(True)
popup, width, height = popups.init(len(configLines) + 2)
if not popup: return
try:
# displayed options (truncating the labels if there's limited room)
if width >= 30: selectionOptions = ("Save", "Save As...", "Cancel")
else: selectionOptions = ("Save", "Save As", "X")
# checks if we can show options beside the last line of visible content
isOptionLineSeparate = False
lastIndex = min(height - 2, len(configLines) - 1)
# if we don't have room to display the selection options and room to
# grow then display the selection options on its own line
if width < (30 + len(configLines[lastIndex])):
popup.setHeight(height + 1)
popup.redraw(True) # recreates the window instance
newHeight, _ = popup.getPreferredSize()
if newHeight > height:
height = newHeight
isOptionLineSeparate = True
key, selection = 0, 2
while not uiTools.isSelectionKey(key):
# if the popup has been resized then recreate it (needed for the
# proper border height)
newHeight, newWidth = popup.getPreferredSize()
if (height, width) != (newHeight, newWidth):
height, width = newHeight, newWidth
popup.redraw(True)
# if there isn't room to display the popup then cancel it
if height <= 2:
selection = 2
break
popup.win.erase()
popup.win.box()
popup.addstr(0, 0, "Configuration being saved:", curses.A_STANDOUT)
visibleConfigLines = height - 3 if isOptionLineSeparate else height - 2
for i in range(visibleConfigLines):
line = uiTools.cropStr(configLines[i], width - 2)
if " " in line:
option, arg = line.split(" ", 1)
popup.addstr(i + 1, 1, option, curses.A_BOLD | uiTools.getColor("green"))
popup.addstr(i + 1, len(option) + 2, arg, curses.A_BOLD | uiTools.getColor("cyan"))
else:
popup.addstr(i + 1, 1, line, curses.A_BOLD | uiTools.getColor("green"))
# draws selection options (drawn right to left)
drawX = width - 1
for i in range(len(selectionOptions) - 1, -1, -1):
optionLabel = selectionOptions[i]
drawX -= (len(optionLabel) + 2)
# if we've run out of room then drop the option (this will only
# occure on tiny displays)
if drawX < 1: break
selectionFormat = curses.A_STANDOUT if i == selection else curses.A_NORMAL
popup.addstr(height - 2, drawX, "[")
popup.addstr(height - 2, drawX + 1, optionLabel, selectionFormat | curses.A_BOLD)
popup.addstr(height - 2, drawX + len(optionLabel) + 1, "]")
drawX -= 1 # space gap between the options
popup.win.refresh()
key = cli.controller.getController().getScreen().getch()
if key == curses.KEY_LEFT: selection = max(0, selection - 1)
elif key == curses.KEY_RIGHT: selection = min(len(selectionOptions) - 1, selection + 1)
if selection in (0, 1):
loadedTorrc, promptCanceled = torConfig.getTorrc(), False
try: configLocation = loadedTorrc.getConfigLocation()
except IOError: configLocation = ""
if selection == 1:
# prompts user for a configuration location
configLocation = popups.inputPrompt("Save to (esc to cancel): ", configLocation)
if not configLocation: promptCanceled = True
if not promptCanceled:
try:
torConfig.saveConf(configLocation, configLines)
msg = "Saved configuration to %s" % configLocation
except IOError, exc:
msg = "Unable to save configuration (%s)" % sysTools.getFileErrorMsg(exc)
popups.showMsg(msg, 2)
finally: popups.finalize()
def draw(self, width, height):
self.valsLock.acquire()
# If true, we assume that the cached value in self._lastContentHeight is
# still accurate, and stop drawing when there's nothing more to display.
# Otherwise the self._lastContentHeight is suspect, and we'll process all
# the content to check if it's right (and redraw again with the corrected
# height if not).
trustLastContentHeight = self._lastContentHeightArgs == (width, height)
# restricts scroll location to valid bounds
self.scroll = max(
0, min(self.scroll, self._lastContentHeight - height + 1))
renderedContents, corrections, confLocation = None, {}, None
if self.configType == Config.TORRC:
loadedTorrc = torConfig.getTorrc()
loadedTorrc.getLock().acquire()
confLocation = loadedTorrc.getConfigLocation()
if not loadedTorrc.isLoaded():
renderedContents = ["### Unable to load the torrc ###"]
else:
renderedContents = loadedTorrc.getDisplayContents(
self.stripComments)
# constructs a mapping of line numbers to the issue on it
corrections = dict(
(lineNum, (issue, msg))
for lineNum, issue, msg in loadedTorrc.getCorrections())
loadedTorrc.getLock().release()
else:
loadedArmrc = conf.getConfig("arm")
confLocation = loadedArmrc.path
renderedContents = list(loadedArmrc.rawContents)
# offset to make room for the line numbers
lineNumOffset = 0
if self.showLineNum:
if len(renderedContents) == 0: lineNumOffset = 2
else: lineNumOffset = int(math.log10(len(renderedContents))) + 2
# draws left-hand scroll bar if content's longer than the height
scrollOffset = 0
if self._config[
"features.config.file.showScrollbars"] and self._lastContentHeight > height - 1:
scrollOffset = 3
self.addScrollBar(self.scroll, self.scroll + height - 1,
self._lastContentHeight, 1)
displayLine = -self.scroll + 1 # line we're drawing on
# draws the top label
if self.isTitleVisible():
sourceLabel = "Tor" if self.configType == Config.TORRC else "Arm"
locationLabel = " (%s)" % confLocation if confLocation else ""
self.addstr(
0, 0,
"%s Configuration File%s:" % (sourceLabel, locationLabel),
curses.A_STANDOUT)
isMultiline = False # true if we're in the middle of a multiline torrc entry
for lineNumber in range(0, len(renderedContents)):
lineText = renderedContents[lineNumber]
lineText = lineText.rstrip() # remove ending whitespace
# blank lines are hidden when stripping comments
if self.stripComments and not lineText: continue
# splits the line into its component (msg, format) tuples
lineComp = {
"option": ["", curses.A_BOLD | uiTools.getColor("green")],
"argument": ["", curses.A_BOLD | uiTools.getColor("cyan")],
"correction": ["", curses.A_BOLD | uiTools.getColor("cyan")],
"comment": ["", uiTools.getColor("white")]
}
# parses the comment
commentIndex = lineText.find("#")
if commentIndex != -1:
lineComp["comment"][0] = lineText[commentIndex:]
lineText = lineText[:commentIndex]
# splits the option and argument, preserving any whitespace around them
strippedLine = lineText.strip()
optionIndex = strippedLine.find(" ")
if isMultiline:
# part of a multiline entry started on a previous line so everything
# is part of the argument
lineComp["argument"][0] = lineText
elif optionIndex == -1:
# no argument provided
lineComp["option"][0] = lineText
else:
optionText = strippedLine[:optionIndex]
optionEnd = lineText.find(optionText) + len(optionText)
lineComp["option"][0] = lineText[:optionEnd]
lineComp["argument"][0] = lineText[optionEnd:]
# flags following lines as belonging to this multiline entry if it ends
# with a slash
if strippedLine: isMultiline = strippedLine.endswith("\\")
# gets the correction
if lineNumber in corrections:
lineIssue, lineIssueMsg = corrections[lineNumber]
if lineIssue in (torConfig.ValidationError.DUPLICATE,
torConfig.ValidationError.IS_DEFAULT):
lineComp["option"][1] = curses.A_BOLD | uiTools.getColor(
"blue")
lineComp["argument"][1] = curses.A_BOLD | uiTools.getColor(
"blue")
elif lineIssue == torConfig.ValidationError.MISMATCH:
lineComp["argument"][1] = curses.A_BOLD | uiTools.getColor(
"red")
lineComp["correction"][0] = " (%s)" % lineIssueMsg
else:
# For some types of configs the correction field is simply used to
# provide extra data (for instance, the type for tor state fields).
lineComp["correction"][0] = " (%s)" % lineIssueMsg
lineComp["correction"][
1] = curses.A_BOLD | uiTools.getColor("magenta")
# draws the line number
if self.showLineNum and displayLine < height and displayLine >= 1:
lineNumStr = ("%%%ii" % (lineNumOffset - 1)) % (lineNumber + 1)
self.addstr(displayLine, scrollOffset, lineNumStr,
curses.A_BOLD | uiTools.getColor("yellow"))
# draws the rest of the components with line wrap
cursorLoc, lineOffset = lineNumOffset + scrollOffset, 0
maxLinesPerEntry = self._config[
"features.config.file.maxLinesPerEntry"]
displayQueue = [
lineComp[entry]
for entry in ("option", "argument", "correction", "comment")
]
while displayQueue:
msg, format = displayQueue.pop(0)
maxMsgSize, includeBreak = width - cursorLoc, False
if len(msg) >= maxMsgSize:
# message is too long - break it up
if lineOffset == maxLinesPerEntry - 1:
msg = uiTools.cropStr(msg, maxMsgSize)
else:
includeBreak = True
msg, remainder = uiTools.cropStr(
msg, maxMsgSize, 4, 4, uiTools.Ending.HYPHEN, True)
displayQueue.insert(0, (remainder.strip(), format))
drawLine = displayLine + lineOffset
if msg and drawLine < height and drawLine >= 1:
self.addstr(drawLine, cursorLoc, msg, format)
# If we're done, and have added content to this line, then start
# further content on the next line.
cursorLoc += len(msg)
includeBreak |= not displayQueue and cursorLoc != lineNumOffset + scrollOffset
if includeBreak:
lineOffset += 1
cursorLoc = lineNumOffset + scrollOffset
displayLine += max(lineOffset, 1)
if trustLastContentHeight and displayLine >= height: break
if not trustLastContentHeight:
self._lastContentHeightArgs = (width, height)
newContentHeight = displayLine + self.scroll - 1
if self._lastContentHeight != newContentHeight:
self._lastContentHeight = newContentHeight
self.redraw(True)
self.valsLock.release()
def showWriteDialog(self):
"""
Provies an interface to confirm if the configuration is saved and, if so,
where.
"""
# display a popup for saving the current configuration
configLines = torConfig.getCustomOptions(True)
popup, width, height = popups.init(len(configLines) + 2)
if not popup: return
try:
# displayed options (truncating the labels if there's limited room)
if width >= 30: selectionOptions = ("Save", "Save As...", "Cancel")
else: selectionOptions = ("Save", "Save As", "X")
# checks if we can show options beside the last line of visible content
isOptionLineSeparate = False
lastIndex = min(height - 2, len(configLines) - 1)
# if we don't have room to display the selection options and room to
# grow then display the selection options on its own line
if width < (30 + len(configLines[lastIndex])):
popup.setHeight(height + 1)
popup.redraw(True) # recreates the window instance
newHeight, _ = popup.getPreferredSize()
if newHeight > height:
height = newHeight
isOptionLineSeparate = True
key, selection = 0, 2
while not uiTools.isSelectionKey(key):
# if the popup has been resized then recreate it (needed for the
# proper border height)
newHeight, newWidth = popup.getPreferredSize()
if (height, width) != (newHeight, newWidth):
height, width = newHeight, newWidth
popup.redraw(True)
# if there isn't room to display the popup then cancel it
if height <= 2:
selection = 2
break
popup.win.erase()
popup.win.box()
popup.addstr(0, 0, "Configuration being saved:", curses.A_STANDOUT)
visibleConfigLines = height - 3 if isOptionLineSeparate else height - 2
for i in range(visibleConfigLines):
line = uiTools.cropStr(configLines[i], width - 2)
if " " in line:
option, arg = line.split(" ", 1)
popup.addstr(i + 1, 1, option, curses.A_BOLD | uiTools.getColor("green"))
popup.addstr(i + 1, len(option) + 2, arg, curses.A_BOLD | uiTools.getColor("cyan"))
else:
popup.addstr(i + 1, 1, line, curses.A_BOLD | uiTools.getColor("green"))
# draws selection options (drawn right to left)
drawX = width - 1
for i in range(len(selectionOptions) - 1, -1, -1):
optionLabel = selectionOptions[i]
drawX -= (len(optionLabel) + 2)
# if we've run out of room then drop the option (this will only
# occure on tiny displays)
if drawX < 1: break
selectionFormat = curses.A_STANDOUT if i == selection else curses.A_NORMAL
popup.addstr(height - 2, drawX, "[")
popup.addstr(height - 2, drawX + 1, optionLabel, selectionFormat | curses.A_BOLD)
popup.addstr(height - 2, drawX + len(optionLabel) + 1, "]")
drawX -= 1 # space gap between the options
popup.win.refresh()
key = cli.controller.getController().getScreen().getch()
if key == curses.KEY_LEFT: selection = max(0, selection - 1)
elif key == curses.KEY_RIGHT: selection = min(len(selectionOptions) - 1, selection + 1)
if selection in (0, 1):
loadedTorrc, promptCanceled = torConfig.getTorrc(), False
try: configLocation = loadedTorrc.getConfigLocation()
except IOError: configLocation = ""
if selection == 1:
# prompts user for a configuration location
configLocation = popups.inputPrompt("Save to (esc to cancel): ", configLocation)
if not configLocation: promptCanceled = True
if not promptCanceled:
try:
torConfig.saveConf(configLocation, configLines)
msg = "Saved configuration to %s" % configLocation
except IOError, exc:
msg = "Unable to save configuration (%s)" % sysTools.getFileErrorMsg(exc)
popups.showMsg(msg, 2)
finally: popups.finalize()
def draw(self, subwindow, width, height):
self.valsLock.acquire()
# If true, we assume that the cached value in self._lastContentHeight is
# still accurate, and stop drawing when there's nothing more to display.
# Otherwise the self._lastContentHeight is suspect, and we'll process all
# the content to check if it's right (and redraw again with the corrected
# height if not).
trustLastContentHeight = self._lastContentHeightArgs == (width, height)
# restricts scroll location to valid bounds
self.scroll = max(0, min(self.scroll, self._lastContentHeight - height + 1))
renderedContents, corrections, confLocation = None, {}, None
if self.configType == TORRC:
loadedTorrc = torConfig.getTorrc()
loadedTorrc.getLock().acquire()
confLocation = loadedTorrc.getConfigLocation()
if not loadedTorrc.isLoaded():
renderedContents = ["### Unable to load the torrc ###"]
else:
renderedContents = loadedTorrc.getDisplayContents(self.stripComments)
# constructs a mapping of line numbers to the issue on it
corrections = dict((lineNum, (issue, msg)) for lineNum, issue, msg in loadedTorrc.getCorrections())
loadedTorrc.getLock().release()
else:
loadedArmrc = conf.getConfig("arm")
confLocation = loadedArmrc.path
renderedContents = list(loadedArmrc.rawContents)
# offset to make room for the line numbers
lineNumOffset = 0
if self.showLineNum:
if len(renderedContents) == 0: lineNumOffset = 2
else: lineNumOffset = int(math.log10(len(renderedContents))) + 2
# draws left-hand scroll bar if content's longer than the height
scrollOffset = 0
if self._config["features.config.file.showScrollbars"] and self._lastContentHeight > height - 1:
scrollOffset = 3
self.addScrollBar(self.scroll, self.scroll + height - 1, self._lastContentHeight, 1)
displayLine = -self.scroll + 1 # line we're drawing on
# draws the top label
if self.showLabel:
sourceLabel = "Tor" if self.configType == TORRC else "Arm"
locationLabel = " (%s)" % confLocation if confLocation else ""
self.addstr(0, 0, "%s Configuration File%s:" % (sourceLabel, locationLabel), curses.A_STANDOUT)
isMultiline = False # true if we're in the middle of a multiline torrc entry
for lineNumber in range(0, len(renderedContents)):
lineText = renderedContents[lineNumber]
lineText = lineText.rstrip() # remove ending whitespace
# blank lines are hidden when stripping comments
if self.stripComments and not lineText: continue
# splits the line into its component (msg, format) tuples
lineComp = {"option": ["", curses.A_BOLD | uiTools.getColor("green")],
"argument": ["", curses.A_BOLD | uiTools.getColor("cyan")],
"correction": ["", curses.A_BOLD | uiTools.getColor("cyan")],
"comment": ["", uiTools.getColor("white")]}
# parses the comment
commentIndex = lineText.find("#")
if commentIndex != -1:
lineComp["comment"][0] = lineText[commentIndex:]
lineText = lineText[:commentIndex]
# splits the option and argument, preserving any whitespace around them
strippedLine = lineText.strip()
optionIndex = strippedLine.find(" ")
if isMultiline:
# part of a multiline entry started on a previous line so everything
# is part of the argument
lineComp["argument"][0] = lineText
elif optionIndex == -1:
# no argument provided
lineComp["option"][0] = lineText
else:
optionText = strippedLine[:optionIndex]
optionEnd = lineText.find(optionText) + len(optionText)
lineComp["option"][0] = lineText[:optionEnd]
lineComp["argument"][0] = lineText[optionEnd:]
# flags following lines as belonging to this multiline entry if it ends
# with a slash
if strippedLine: isMultiline = strippedLine.endswith("\\")
# gets the correction
if lineNumber in corrections:
lineIssue, lineIssueMsg = corrections[lineNumber]
if lineIssue in (torConfig.VAL_DUPLICATE, torConfig.VAL_IS_DEFAULT):
lineComp["option"][1] = curses.A_BOLD | uiTools.getColor("blue")
lineComp["argument"][1] = curses.A_BOLD | uiTools.getColor("blue")
elif lineIssue == torConfig.VAL_MISMATCH:
lineComp["argument"][1] = curses.A_BOLD | uiTools.getColor("red")
lineComp["correction"][0] = " (%s)" % lineIssueMsg
else:
# For some types of configs the correction field is simply used to
# provide extra data (for instance, the type for tor state fields).
lineComp["correction"][0] = " (%s)" % lineIssueMsg
lineComp["correction"][1] = curses.A_BOLD | uiTools.getColor("magenta")
# draws the line number
if self.showLineNum and displayLine < height and displayLine >= 1:
lineNumStr = ("%%%ii" % (lineNumOffset - 1)) % (lineNumber + 1)
self.addstr(displayLine, scrollOffset, lineNumStr, curses.A_BOLD | uiTools.getColor("yellow"))
# draws the rest of the components with line wrap
cursorLoc, lineOffset = lineNumOffset + scrollOffset, 0
maxLinesPerEntry = self._config["features.config.file.maxLinesPerEntry"]
displayQueue = [lineComp[entry] for entry in ("option", "argument", "correction", "comment")]
while displayQueue:
msg, format = displayQueue.pop(0)
maxMsgSize, includeBreak = width - cursorLoc, False
if len(msg) >= maxMsgSize:
# message is too long - break it up
if lineOffset == maxLinesPerEntry - 1:
msg = uiTools.cropStr(msg, maxMsgSize)
else:
includeBreak = True
msg, remainder = uiTools.cropStr(msg, maxMsgSize, 4, 4, uiTools.END_WITH_HYPHEN, True)
displayQueue.insert(0, (remainder.strip(), format))
drawLine = displayLine + lineOffset
if msg and drawLine < height and drawLine >= 1:
self.addstr(drawLine, cursorLoc, msg, format)
# If we're done, and have added content to this line, then start
# further content on the next line.
cursorLoc += len(msg)
includeBreak |= not displayQueue and cursorLoc != lineNumOffset + scrollOffset
if includeBreak:
lineOffset += 1
cursorLoc = lineNumOffset + scrollOffset
displayLine += max(lineOffset, 1)
if trustLastContentHeight and displayLine >= height: break
if not trustLastContentHeight:
self._lastContentHeightArgs = (width, height)
newContentHeight = displayLine + self.scroll - 1
if self._lastContentHeight != newContentHeight:
self._lastContentHeight = newContentHeight
self.redraw(True)
self.valsLock.release()
