text: withMessagingMenu = False
  try:
      from gi.repository import MessagingMenu
      from gi.repository import Notify
      withMessagingMenu = True
  except ImportError:
      MessagingMenu = None
  
  from addresses import *
  import shared
  from bitmessageui import *
  from namecoin import namecoinConnection, ensureNamecoinOptions
  from newaddressdialog import *
  from addaddressdialog import *
  from newsubscriptiondialog import *
  from regenerateaddresses import *
  from newchandialog import *
  from specialaddressbehavior import *
  from settings import *
  from about import *
  from help import *
  from iconglossary import *
  from connect import *
  import sys
  from time import strftime, localtime, gmtime
  import time
  import os
  import hashlib
  from pyelliptic.openssl import OpenSSL
  import pickle
  import platform
  import textwrap
  import debug
  from debug import logger
  import subprocess
  import datetime
  from helper_sql import *
  import l10n
  
  try:
      from PyQt4 import QtCore, QtGui
      from PyQt4.QtCore import *
      from PyQt4.QtGui import *
  
  except Exception as err:
      print 'PyBitmessage requires PyQt unless you want to run it as a daemon and interact with it using the API. You can download it from http://www.riverbankcomputing.com/software/pyqt/download or by searching Google for \'PyQt Download\' (without quotes).'
      print 'Error message:', err
      sys.exit()
  
  try:
      _encoding = QtGui.QApplication.UnicodeUTF8
  except AttributeError:
      print 'QtGui.QApplication.UnicodeUTF8 error:', err
  
  def _translate(context, text):
      return QtGui.QApplication.translate(context, text)
  
  
  def identiconize(address):
      size = 48
      
      # If you include another identicon library, please generate an 
      # example identicon with the following md5 hash:
      # 3fd4bf901b9d4ea1394f0fb358725b28
      
      try:
          identicon_lib = shared.config.get('bitmessagesettings', 'identiconlib')
      except:
          # default to qidenticon_two_x
          identicon_lib = 'qidenticon_two_x'
  
      # As an 'identiconsuffix' you could put "@bitmessge.ch" or "@bm.addr" to make it compatible with other identicon generators. (Note however, that E-Mail programs might convert the BM-address to lowercase first.)
      # It can be used as a pseudo-password to salt the generation of the identicons to decrease the risk
      # of attacks where someone creates an address to mimic someone else's identicon.
      identiconsuffix = shared.config.get('bitmessagesettings', 'identiconsuffix')
      
      if not shared.config.getboolean('bitmessagesettings', 'useidenticons'):
          idcon = QtGui.QIcon()
          return idcon
      
      if (identicon_lib[:len('qidenticon')] == 'qidenticon'):
          # print identicon_lib
          # originally by:
          # :Author:Shin Adachi <shn@glucose.jp>
          # Licesensed under FreeBSD License.
          # stripped from PIL and uses QT instead (by sendiulo, same license)
          import qidenticon
          hash = hashlib.md5(addBMIfNotPresent(address)+identiconsuffix).hexdigest()
          use_two_colors = (identicon_lib[:len('qidenticon_two')] == 'qidenticon_two')
          opacity = int(not((identicon_lib == 'qidenticon_x') | (identicon_lib == 'qidenticon_two_x') | (identicon_lib == 'qidenticon_b') | (identicon_lib == 'qidenticon_two_b')))*255
          penwidth = 0
          image = qidenticon.render_identicon(int(hash, 16), size, use_two_colors, opacity, penwidth)
          # filename = './images/identicons/'+hash+'.png'
          # image.save(filename)
          idcon = QtGui.QIcon()
          idcon.addPixmap(image, QtGui.QIcon.Normal, QtGui.QIcon.Off)
          return idcon
      elif identicon_lib == 'pydenticon':
          # print identicon_lib
          # Here you could load pydenticon.py (just put it in the "src" folder of your Bitmessage source)
          from pydenticon import Pydenticon
          # It is not included in the source, because it is licensed under GPLv3
          # GPLv3 is a copyleft license that would influence our licensing
          # Find the source here: http://boottunes.googlecode.com/svn-history/r302/trunk/src/pydenticon.py
          # note that it requires PIL to be installed: http://www.pythonware.com/products/pil/
          idcon_render = Pydenticon(addBMIfNotPresent(address)+identiconsuffix, size*3)
          rendering = idcon_render._render()
          data = rendering.convert("RGBA").tostring("raw", "RGBA")
          qim = QImage(data, size, size, QImage.Format_ARGB32)
          pix = QPixmap.fromImage(qim)
          idcon = QtGui.QIcon()
          idcon.addPixmap(pix, QtGui.QIcon.Normal, QtGui.QIcon.Off)
          return idcon
          
  def avatarize(address):
      """
          loads a supported image for the given address' hash form 'avatars' folder
          falls back to default avatar if 'default.*' file exists
          falls back to identiconize(address)
      """
      idcon = QtGui.QIcon()
      hash = hashlib.md5(addBMIfNotPresent(address)).hexdigest()
      str_broadcast_subscribers = '[Broadcast subscribers]'
      if address == str_broadcast_subscribers:
          # don't hash [Broadcast subscribers]
          hash = address
      # http://pyqt.sourceforge.net/Docs/PyQt4/qimagereader.html#supportedImageFormats
      # print QImageReader.supportedImageFormats ()
      # QImageReader.supportedImageFormats ()
      extensions = ['PNG', 'GIF', 'JPG', 'JPEG', 'SVG', 'BMP', 'MNG', 'PBM', 'PGM', 'PPM', 'TIFF', 'XBM', 'XPM', 'TGA']
      # try to find a specific avatar
      for ext in extensions:
          lower_hash = shared.appdata + 'avatars/' + hash + '.' + ext.lower()
          upper_hash = shared.appdata + 'avatars/' + hash + '.' + ext.upper()
          if os.path.isfile(lower_hash):
              # print 'found avatar of ', address
              idcon.addFile(lower_hash)
              return idcon
          elif os.path.isfile(upper_hash):
              # print 'found avatar of ', address
              idcon.addFile(upper_hash)
              return idcon
      # if we haven't found any, try to find a default avatar
      for ext in extensions:
          lower_default = shared.appdata + 'avatars/' + 'default.' + ext.lower()
          upper_default = shared.appdata + 'avatars/' + 'default.' + ext.upper()
          if os.path.isfile(lower_default):
              default = lower_default
              idcon.addFile(lower_default)
              return idcon
          elif os.path.isfile(upper_default):
              default = upper_default
              idcon.addFile(upper_default)
              return idcon
      # If no avatar is found
      return identiconize(address)
  
  
  class MyForm(QtGui.QMainWindow):
  
      # sound type constants
      SOUND_NONE = 0
      SOUND_KNOWN = 1
      SOUND_UNKNOWN = 2
      SOUND_CONNECTED = 3
      SOUND_DISCONNECTED = 4
      SOUND_CONNECTION_GREEN = 5
  
      # the last time that a message arrival sound was played
      lastSoundTime = datetime.datetime.now() - datetime.timedelta(days=1)
  
      # the maximum frequency of message sounds in seconds
      maxSoundFrequencySec = 60
  
      str_broadcast_subscribers = '[Broadcast subscribers]'
      str_chan = '[chan]'
  
      def init_file_menu(self):
          QtCore.QObject.connect(self.ui.actionExit, QtCore.SIGNAL(
              "triggered()"), self.quit)
          QtCore.QObject.connect(self.ui.actionManageKeys, QtCore.SIGNAL(
              "triggered()"), self.click_actionManageKeys)
          QtCore.QObject.connect(self.ui.actionDeleteAllTrashedMessages,
                                 QtCore.SIGNAL(
                                     "triggered()"),
                                 self.click_actionDeleteAllTrashedMessages)
          QtCore.QObject.connect(self.ui.actionRegenerateDeterministicAddresses,
                                 QtCore.SIGNAL(
                                     "triggered()"),
                                 self.click_actionRegenerateDeterministicAddresses)
          QtCore.QObject.connect(self.ui.actionJoinChan, QtCore.SIGNAL(
              "triggered()"),
                                 self.click_actionJoinChan) # also used for creating chans.
          QtCore.QObject.connect(self.ui.pushButtonNewAddress, QtCore.SIGNAL(
              "clicked()"), self.click_NewAddressDialog)
          QtCore.QObject.connect(self.ui.comboBoxSendFrom, QtCore.SIGNAL(
              "activated(int)"), self.redrawLabelFrom)
          QtCore.QObject.connect(self.ui.pushButtonAddAddressBook, QtCore.SIGNAL(
              "clicked()"), self.click_pushButtonAddAddressBook)
          QtCore.QObject.connect(self.ui.pushButtonAddSubscription, QtCore.SIGNAL(
              "clicked()"), self.click_pushButtonAddSubscription)
          QtCore.QObject.connect(self.ui.pushButtonAddBlacklist, QtCore.SIGNAL(
              "clicked()"), self.click_pushButtonAddBlacklist)
          QtCore.QObject.connect(self.ui.pushButtonSend, QtCore.SIGNAL(
              "clicked()"), self.click_pushButtonSend)
          QtCore.QObject.connect(self.ui.pushButtonLoadFromAddressBook,
                                 QtCore.SIGNAL(
                                     "clicked()"),
                                 self.click_pushButtonLoadFromAddressBook)
          QtCore.QObject.connect(self.ui.pushButtonFetchNamecoinID, QtCore.SIGNAL(
              "clicked()"), self.click_pushButtonFetchNamecoinID)
          QtCore.QObject.connect(self.ui.radioButtonBlacklist, QtCore.SIGNAL(
              "clicked()"), self.click_radioButtonBlacklist)
          QtCore.QObject.connect(self.ui.radioButtonWhitelist, QtCore.SIGNAL(
              "clicked()"), self.click_radioButtonWhitelist)
          QtCore.QObject.connect(self.ui.pushButtonStatusIcon, QtCore.SIGNAL(
              "clicked()"), self.click_pushButtonStatusIcon)
          QtCore.QObject.connect(self.ui.actionSettings, QtCore.SIGNAL(
              "triggered()"), self.click_actionSettings)
          QtCore.QObject.connect(self.ui.actionAbout, QtCore.SIGNAL(
              "triggered()"), self.click_actionAbout)
          QtCore.QObject.connect(self.ui.actionHelp, QtCore.SIGNAL(
              "triggered()"), self.click_actionHelp)
  
      def init_inbox_popup_menu(self):
          # Popup menu for the Inbox tab
          self.ui.inboxContextMenuToolbar = QtGui.QToolBar()
          # Actions
          self.actionReply = self.ui.inboxContextMenuToolbar.addAction(_translate(
              "MainWindow", "Reply"), self.on_action_InboxReply)
          self.actionAddSenderToAddressBook = self.ui.inboxContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Add sender to your Address Book"),
              self.on_action_InboxAddSenderToAddressBook)
          self.actionTrashInboxMessage = self.ui.inboxContextMenuToolbar.addAction(
              _translate("MainWindow", "Move to Trash"),
              self.on_action_InboxTrash)
          self.actionForceHtml = self.ui.inboxContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "View HTML code as formatted text"),
              self.on_action_InboxMessageForceHtml)
          self.actionSaveMessageAs = self.ui.inboxContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Save message as..."),
              self.on_action_InboxSaveMessageAs)
          self.actionMarkUnread = self.ui.inboxContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Mark Unread"), self.on_action_InboxMarkUnread)
          self.ui.tableWidgetInbox.setContextMenuPolicy(
              QtCore.Qt.CustomContextMenu)
          self.connect(self.ui.tableWidgetInbox, QtCore.SIGNAL(
              'customContextMenuRequested(const QPoint&)'),
                       self.on_context_menuInbox)
          self.popMenuInbox = QtGui.QMenu(self)
          self.popMenuInbox.addAction(self.actionForceHtml)
          self.popMenuInbox.addAction(self.actionMarkUnread)
          self.popMenuInbox.addSeparator()
          self.popMenuInbox.addAction(self.actionReply)
          self.popMenuInbox.addAction(self.actionAddSenderToAddressBook)
          self.popMenuInbox.addSeparator()
          self.popMenuInbox.addAction(self.actionSaveMessageAs)
          self.popMenuInbox.addAction(self.actionTrashInboxMessage)
  
      def init_identities_popup_menu(self):
          # Popup menu for the Your Identities tab
          self.ui.addressContextMenuToolbar = QtGui.QToolBar()
          # Actions
          self.actionNew = self.ui.addressContextMenuToolbar.addAction(_translate(
              "MainWindow", "New"), self.on_action_YourIdentitiesNew)
          self.actionEnable = self.ui.addressContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Enable"), self.on_action_YourIdentitiesEnable)
          self.actionDisable = self.ui.addressContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Disable"), self.on_action_YourIdentitiesDisable)
          self.actionSetAvatar = self.ui.addressContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Set avatar..."),
              self.on_action_YourIdentitiesSetAvatar)
          self.actionClipboard = self.ui.addressContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Copy address to clipboard"),
              self.on_action_YourIdentitiesClipboard)
          self.actionSpecialAddressBehavior = self.ui.addressContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Special address behavior..."),
              self.on_action_SpecialAddressBehaviorDialog)
          self.ui.tableWidgetYourIdentities.setContextMenuPolicy(
              QtCore.Qt.CustomContextMenu)
          self.connect(self.ui.tableWidgetYourIdentities, QtCore.SIGNAL(
              'customContextMenuRequested(const QPoint&)'),
                       self.on_context_menuYourIdentities)
          self.popMenu = QtGui.QMenu(self)
          self.popMenu.addAction(self.actionNew)
          self.popMenu.addSeparator()
          self.popMenu.addAction(self.actionClipboard)
          self.popMenu.addSeparator()
          self.popMenu.addAction(self.actionEnable)
          self.popMenu.addAction(self.actionDisable)
          self.popMenu.addAction(self.actionSetAvatar)
          self.popMenu.addAction(self.actionSpecialAddressBehavior)
  
      def init_addressbook_popup_menu(self):
          # Popup menu for the Address Book page
          self.ui.addressBookContextMenuToolbar = QtGui.QToolBar()
          # Actions
          self.actionAddressBookSend = self.ui.addressBookContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Send message to this address"),
              self.on_action_AddressBookSend)
          self.actionAddressBookClipboard = self.ui.addressBookContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Copy address to clipboard"),
              self.on_action_AddressBookClipboard)
          self.actionAddressBookSubscribe = self.ui.addressBookContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Subscribe to this address"),
              self.on_action_AddressBookSubscribe)
          self.actionAddressBookSetAvatar = self.ui.addressBookContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Set avatar..."),
              self.on_action_AddressBookSetAvatar)
          self.actionAddressBookNew = self.ui.addressBookContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Add New Address"), self.on_action_AddressBookNew)
          self.actionAddressBookDelete = self.ui.addressBookContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Delete"), self.on_action_AddressBookDelete)
          self.ui.tableWidgetAddressBook.setContextMenuPolicy(
              QtCore.Qt.CustomContextMenu)
          self.connect(self.ui.tableWidgetAddressBook, QtCore.SIGNAL(
              'customContextMenuRequested(const QPoint&)'),
                       self.on_context_menuAddressBook)
          self.popMenuAddressBook = QtGui.QMenu(self)
          self.popMenuAddressBook.addAction(self.actionAddressBookSend)
          self.popMenuAddressBook.addAction(self.actionAddressBookClipboard)
          self.popMenuAddressBook.addAction(self.actionAddressBookSubscribe)
          self.popMenuAddressBook.addAction(self.actionAddressBookSetAvatar)
          self.popMenuAddressBook.addSeparator()
          self.popMenuAddressBook.addAction(self.actionAddressBookNew)
          self.popMenuAddressBook.addAction(self.actionAddressBookDelete)
  
      def init_subscriptions_popup_menu(self):
          # Popup menu for the Subscriptions page
          self.ui.subscriptionsContextMenuToolbar = QtGui.QToolBar()
          # Actions
          self.actionsubscriptionsNew = self.ui.subscriptionsContextMenuToolbar.addAction(
              _translate("MainWindow", "New"), self.on_action_SubscriptionsNew)
          self.actionsubscriptionsDelete = self.ui.subscriptionsContextMenuToolbar.addAction(
              _translate("MainWindow", "Delete"),
              self.on_action_SubscriptionsDelete)
          self.actionsubscriptionsClipboard = self.ui.subscriptionsContextMenuToolbar.addAction(
              _translate("MainWindow", "Copy address to clipboard"),
              self.on_action_SubscriptionsClipboard)
          self.actionsubscriptionsEnable = self.ui.subscriptionsContextMenuToolbar.addAction(
              _translate("MainWindow", "Enable"),
              self.on_action_SubscriptionsEnable)
          self.actionsubscriptionsDisable = self.ui.subscriptionsContextMenuToolbar.addAction(
              _translate("MainWindow", "Disable"),
              self.on_action_SubscriptionsDisable)
          self.actionsubscriptionsSetAvatar = self.ui.subscriptionsContextMenuToolbar.addAction(
              _translate("MainWindow", "Set avatar..."),
              self.on_action_SubscriptionsSetAvatar)
          self.ui.tableWidgetSubscriptions.setContextMenuPolicy(
              QtCore.Qt.CustomContextMenu)
          self.connect(self.ui.tableWidgetSubscriptions, QtCore.SIGNAL(
              'customContextMenuRequested(const QPoint&)'),
                       self.on_context_menuSubscriptions)
          self.popMenuSubscriptions = QtGui.QMenu(self)
          self.popMenuSubscriptions.addAction(self.actionsubscriptionsNew)
          self.popMenuSubscriptions.addAction(self.actionsubscriptionsDelete)
          self.popMenuSubscriptions.addSeparator()
          self.popMenuSubscriptions.addAction(self.actionsubscriptionsEnable)
          self.popMenuSubscriptions.addAction(self.actionsubscriptionsDisable)
          self.popMenuSubscriptions.addAction(self.actionsubscriptionsSetAvatar)
          self.popMenuSubscriptions.addSeparator()
          self.popMenuSubscriptions.addAction(self.actionsubscriptionsClipboard)
  
      def init_sent_popup_menu(self):
          # Popup menu for the Sent page
          self.ui.sentContextMenuToolbar = QtGui.QToolBar()
          # Actions
          self.actionTrashSentMessage = self.ui.sentContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Move to Trash"), self.on_action_SentTrash)
          self.actionSentClipboard = self.ui.sentContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Copy destination address to clipboard"),
              self.on_action_SentClipboard)
          self.actionForceSend = self.ui.sentContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Force send"), self.on_action_ForceSend)
          self.ui.tableWidgetSent.setContextMenuPolicy(
              QtCore.Qt.CustomContextMenu)
          self.connect(self.ui.tableWidgetSent, QtCore.SIGNAL(
              'customContextMenuRequested(const QPoint&)'),
                       self.on_context_menuSent)
          # self.popMenuSent = QtGui.QMenu( self )
          # self.popMenuSent.addAction( self.actionSentClipboard )
          # self.popMenuSent.addAction( self.actionTrashSentMessage )
  
      def init_blacklist_popup_menu(self):
          # Popup menu for the Blacklist page
          self.ui.blacklistContextMenuToolbar = QtGui.QToolBar()
          # Actions
          self.actionBlacklistNew = self.ui.blacklistContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Add new entry"), self.on_action_BlacklistNew)
          self.actionBlacklistDelete = self.ui.blacklistContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Delete"), self.on_action_BlacklistDelete)
          self.actionBlacklistClipboard = self.ui.blacklistContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Copy address to clipboard"),
              self.on_action_BlacklistClipboard)
          self.actionBlacklistEnable = self.ui.blacklistContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Enable"), self.on_action_BlacklistEnable)
          self.actionBlacklistDisable = self.ui.blacklistContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Disable"), self.on_action_BlacklistDisable)
          self.actionBlacklistSetAvatar = self.ui.blacklistContextMenuToolbar.addAction(
              _translate(
                  "MainWindow", "Set avatar..."),
              self.on_action_BlacklistSetAvatar)
          self.ui.tableWidgetBlacklist.setContextMenuPolicy(
              QtCore.Qt.CustomContextMenu)
          self.connect(self.ui.tableWidgetBlacklist, QtCore.SIGNAL(
              'customContextMenuRequested(const QPoint&)'),
                       self.on_context_menuBlacklist)
          self.popMenuBlacklist = QtGui.QMenu(self)
          # self.popMenuBlacklist.addAction( self.actionBlacklistNew )
          self.popMenuBlacklist.addAction(self.actionBlacklistDelete)
          self.popMenuBlacklist.addSeparator()
          self.popMenuBlacklist.addAction(self.actionBlacklistClipboard)
          self.popMenuBlacklist.addSeparator()
          self.popMenuBlacklist.addAction(self.actionBlacklistEnable)
          self.popMenuBlacklist.addAction(self.actionBlacklistDisable)
          self.popMenuBlacklist.addAction(self.actionBlacklistSetAvatar)
  
      def __init__(self, parent=None):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_MainWindow()
          self.ui.setupUi(self)
  
          # Ask the user if we may delete their old version 1 addresses if they
          # have any.
          configSections = shared.config.sections()
          for addressInKeysFile in configSections:
              if addressInKeysFile != 'bitmessagesettings':
                  status, addressVersionNumber, streamNumber, hash = decodeAddress(
                      addressInKeysFile)
                  if addressVersionNumber == 1:
                      displayMsg = _translate(
                          "MainWindow", "One of your addresses, %1, is an old version 1 address. Version 1 addresses are no longer supported. "
                          + "May we delete it now?").arg(addressInKeysFile)
                      reply = QtGui.QMessageBox.question(
                          self, 'Message', displayMsg, QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
                      if reply == QtGui.QMessageBox.Yes:
                          shared.config.remove_section(addressInKeysFile)
                          with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                              shared.config.write(configfile)
  
          # Configure Bitmessage to start on startup (or remove the
          # configuration) based on the setting in the keys.dat file
          if 'win32' in sys.platform or 'win64' in sys.platform:
              # Auto-startup for Windows
              RUN_PATH = "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run"
              self.settings = QSettings(RUN_PATH, QSettings.NativeFormat)
              self.settings.remove(
                  "PyBitmessage")  # In case the user moves the program and the registry entry is no longer valid, this will delete the old registry entry.
              if shared.config.getboolean('bitmessagesettings', 'startonlogon'):
                  self.settings.setValue("PyBitmessage", sys.argv[0])
          elif 'darwin' in sys.platform:
              # startup for mac
              pass
          elif 'linux' in sys.platform:
              # startup for linux
              pass
  
  
          self.totalNumberOfBytesReceived = 0
          self.totalNumberOfBytesSent = 0
          
          self.ui.labelSendBroadcastWarning.setVisible(False)
  
          self.timer = QtCore.QTimer()
          self.timer.start(2000) # milliseconds
          QtCore.QObject.connect(self.timer, QtCore.SIGNAL("timeout()"), self.runEveryTwoSeconds)
  
          self.init_file_menu()
          self.init_inbox_popup_menu()
          self.init_identities_popup_menu()
          self.init_addressbook_popup_menu()
          self.init_subscriptions_popup_menu()
          self.init_sent_popup_menu()
          self.init_blacklist_popup_menu()
  
          # Initialize the user's list of addresses on the 'Your Identities' tab.
          configSections = shared.config.sections()
          for addressInKeysFile in configSections:
              if addressInKeysFile != 'bitmessagesettings':
                  isEnabled = shared.config.getboolean(
                      addressInKeysFile, 'enabled')
                  newItem = QtGui.QTableWidgetItem(unicode(
                      shared.config.get(addressInKeysFile, 'label'), 'utf-8)'))
                  if not isEnabled:
                      newItem.setTextColor(QtGui.QColor(128, 128, 128))
                  self.ui.tableWidgetYourIdentities.insertRow(0)
                  newItem.setIcon(avatarize(addressInKeysFile))
                  self.ui.tableWidgetYourIdentities.setItem(0, 0, newItem)
                  newItem = QtGui.QTableWidgetItem(addressInKeysFile)
                  newItem.setFlags(
                      QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
                  if shared.safeConfigGetBoolean(addressInKeysFile, 'chan'):
                      newItem.setTextColor(QtGui.QColor(216, 119, 0)) # orange
                  if not isEnabled:
                      newItem.setTextColor(QtGui.QColor(128, 128, 128))
                  if shared.safeConfigGetBoolean(addressInKeysFile, 'mailinglist'):
                      newItem.setTextColor(QtGui.QColor(137, 04, 177)) # magenta
                  self.ui.tableWidgetYourIdentities.setItem(0, 1, newItem)
                  newItem = QtGui.QTableWidgetItem(str(
                      decodeAddress(addressInKeysFile)[2]))
                  newItem.setFlags(
                      QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
                  if not isEnabled:
                      newItem.setTextColor(QtGui.QColor(128, 128, 128))
                  self.ui.tableWidgetYourIdentities.setItem(0, 2, newItem)
                  if isEnabled:
                      status, addressVersionNumber, streamNumber, hash = decodeAddress(
                          addressInKeysFile)
  
          # Load inbox from messages database file
          self.loadInbox()
  
          # Load Sent items from database
          self.loadSent()
  
          # Initialize the address book
          self.rerenderAddressBook()
  
          # Initialize the Subscriptions
          self.rerenderSubscriptions()
  
          # Initialize the inbox search
          QtCore.QObject.connect(self.ui.inboxSearchLineEdit, QtCore.SIGNAL(
              "returnPressed()"), self.inboxSearchLineEditPressed)
  
          # Initialize the sent search
          QtCore.QObject.connect(self.ui.sentSearchLineEdit, QtCore.SIGNAL(
              "returnPressed()"), self.sentSearchLineEditPressed)
  
          # Initialize the Blacklist or Whitelist
          if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'black':
              self.loadBlackWhiteList()
          else:
              self.ui.tabWidget.setTabText(6, 'Whitelist')
              self.ui.radioButtonWhitelist.click()
              self.loadBlackWhiteList()
  
          QtCore.QObject.connect(self.ui.tableWidgetYourIdentities, QtCore.SIGNAL(
              "itemChanged(QTableWidgetItem *)"), self.tableWidgetYourIdentitiesItemChanged)
          QtCore.QObject.connect(self.ui.tableWidgetAddressBook, QtCore.SIGNAL(
              "itemChanged(QTableWidgetItem *)"), self.tableWidgetAddressBookItemChanged)
          QtCore.QObject.connect(self.ui.tableWidgetSubscriptions, QtCore.SIGNAL(
              "itemChanged(QTableWidgetItem *)"), self.tableWidgetSubscriptionsItemChanged)
          QtCore.QObject.connect(self.ui.tableWidgetInbox, QtCore.SIGNAL(
              "itemSelectionChanged ()"), self.tableWidgetInboxItemClicked)
          QtCore.QObject.connect(self.ui.tableWidgetSent, QtCore.SIGNAL(
              "itemSelectionChanged ()"), self.tableWidgetSentItemClicked)
  
          # Put the colored icon on the status bar
          # self.ui.pushButtonStatusIcon.setIcon(QIcon(":/newPrefix/images/yellowicon.png"))
          self.statusbar = self.statusBar()
          self.statusbar.insertPermanentWidget(0, self.ui.pushButtonStatusIcon)
          self.ui.labelStartupTime.setText(_translate("MainWindow", "Since startup on %1").arg(
              l10n.formatTimestamp()))
          self.numberOfMessagesProcessed = 0
          self.numberOfBroadcastsProcessed = 0
          self.numberOfPubkeysProcessed = 0
  
          # Set the icon sizes for the identicons
          identicon_size = 3*7
          self.ui.tableWidgetInbox.setIconSize(QtCore.QSize(identicon_size, identicon_size))
          self.ui.tableWidgetSent.setIconSize(QtCore.QSize(identicon_size, identicon_size))
          self.ui.tableWidgetYourIdentities.setIconSize(QtCore.QSize(identicon_size, identicon_size))
          self.ui.tableWidgetSubscriptions.setIconSize(QtCore.QSize(identicon_size, identicon_size))
          self.ui.tableWidgetAddressBook.setIconSize(QtCore.QSize(identicon_size, identicon_size))
          self.ui.tableWidgetBlacklist.setIconSize(QtCore.QSize(identicon_size, identicon_size))
          
          self.UISignalThread = UISignaler()
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "writeNewAddressToTable(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"), self.writeNewAddressToTable)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "updateStatusBar(PyQt_PyObject)"), self.updateStatusBar)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "updateSentItemStatusByHash(PyQt_PyObject,PyQt_PyObject)"), self.updateSentItemStatusByHash)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"), self.updateSentItemStatusByAckdata)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "displayNewInboxMessage(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"), self.displayNewInboxMessage)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "displayNewSentMessage(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"), self.displayNewSentMessage)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "updateNetworkStatusTab()"), self.updateNetworkStatusTab)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "updateNumberOfMessagesProcessed()"), self.updateNumberOfMessagesProcessed)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "updateNumberOfPubkeysProcessed()"), self.updateNumberOfPubkeysProcessed)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "updateNumberOfBroadcastsProcessed()"), self.updateNumberOfBroadcastsProcessed)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "setStatusIcon(PyQt_PyObject)"), self.setStatusIcon)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "changedInboxUnread(PyQt_PyObject)"), self.changedInboxUnread)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "rerenderInboxFromLabels()"), self.rerenderInboxFromLabels)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "rerenderSentToLabels()"), self.rerenderSentToLabels)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "rerenderAddressBook()"), self.rerenderAddressBook)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "rerenderSubscriptions()"), self.rerenderSubscriptions)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "removeInboxRowByMsgid(PyQt_PyObject)"), self.removeInboxRowByMsgid)
          QtCore.QObject.connect(self.UISignalThread, QtCore.SIGNAL(
              "displayAlert(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"), self.displayAlert)
          self.UISignalThread.start()
  
          # Below this point, it would be good if all of the necessary global data
          # structures were initialized.
  
          self.rerenderComboBoxSendFrom()
          
          # Check to see whether we can connect to namecoin. Hide the 'Fetch Namecoin ID' button if we can't.
          try:
              options = {}
              options["type"] = shared.config.get('bitmessagesettings', 'namecoinrpctype')
              options["host"] = shared.config.get('bitmessagesettings', 'namecoinrpchost')
              options["port"] = shared.config.get('bitmessagesettings', 'namecoinrpcport')
              options["user"] = shared.config.get('bitmessagesettings', 'namecoinrpcuser')
              options["password"] = shared.config.get('bitmessagesettings', 'namecoinrpcpassword')
              nc = namecoinConnection(options)
              if nc.test()[0] == 'failed':
                  self.ui.pushButtonFetchNamecoinID.hide()
          except:
              print 'There was a problem testing for a Namecoin daemon. Hiding the Fetch Namecoin ID button'
              self.ui.pushButtonFetchNamecoinID.hide()
  
  
      # Show or hide the application window after clicking an item within the
      # tray icon or, on Windows, the try icon itself.
      def appIndicatorShowOrHideWindow(self):
          if not self.actionShow.isChecked():
              self.hide()
          else:
              if sys.platform[0:3] == 'win':
                  self.setWindowFlags(Qt.Window)
              # else:
                  # self.showMaximized()
              self.show()
              self.setWindowState(
                  self.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
              self.activateWindow()
  
      # pointer to the application
      # app = None
      # The most recent message
      newMessageItem = None
  
      # The most recent broadcast
      newBroadcastItem = None
  
      # show the application window
      def appIndicatorShow(self):
          if self.actionShow is None:
              return
          if not self.actionShow.isChecked():
              self.actionShow.setChecked(True)
              self.appIndicatorShowOrHideWindow()
  
      # unchecks the show item on the application indicator
      def appIndicatorHide(self):
          if self.actionShow is None:
              return
          if self.actionShow.isChecked():
              self.actionShow.setChecked(False)
              self.appIndicatorShowOrHideWindow()
  
      # application indicator show or hide
      """# application indicator show or hide
      def appIndicatorShowBitmessage(self):
          #if self.actionShow == None:
          #    return
          print self.actionShow.isChecked()
          if not self.actionShow.isChecked():
              self.hide()
              #self.setWindowState(self.windowState() & QtCore.Qt.WindowMinimized)
          else:
              self.appIndicatorShowOrHideWindow()"""
  
      # Show the program window and select inbox tab
      def appIndicatorInbox(self, mm_app, source_id):
          self.appIndicatorShow()
          # select inbox
          self.ui.tabWidget.setCurrentIndex(0)
          selectedItem = None
          if source_id == 'Subscriptions':
              # select unread broadcast
              if self.newBroadcastItem is not None:
                  selectedItem = self.newBroadcastItem
                  self.newBroadcastItem = None
          else:
              # select unread message
              if self.newMessageItem is not None:
                  selectedItem = self.newMessageItem
                  self.newMessageItem = None
          # make it the current item
          if selectedItem is not None:
              try:
                  self.ui.tableWidgetInbox.setCurrentItem(selectedItem)
              except Exception:
                  self.ui.tableWidgetInbox.setCurrentCell(0, 0)
              self.tableWidgetInboxItemClicked()
          else:
              # just select the first item
              self.ui.tableWidgetInbox.setCurrentCell(0, 0)
              self.tableWidgetInboxItemClicked()
  
      # Show the program window and select send tab
      def appIndicatorSend(self):
          self.appIndicatorShow()
          self.ui.tabWidget.setCurrentIndex(1)
  
      # Show the program window and select subscriptions tab
      def appIndicatorSubscribe(self):
          self.appIndicatorShow()
          self.ui.tabWidget.setCurrentIndex(4)
  
      # Show the program window and select the address book tab
      def appIndicatorAddressBook(self):
          self.appIndicatorShow()
          self.ui.tabWidget.setCurrentIndex(5)
  
      # Load Sent items from database
      def loadSent(self, where="", what=""):
          what = "%" + what + "%"
          if where == "To":
              where = "toaddress"
          elif where == "From":
              where = "fromaddress"
          elif where == "Subject":
              where = "subject"
          elif where == "Message":
              where = "message"
          else:
              where = "toaddress || fromaddress || subject || message"
  
          sqlStatement = '''
              SELECT toaddress, fromaddress, subject, status, ackdata, lastactiontime 
              FROM sent WHERE folder="sent" AND %s LIKE ? 
              ORDER BY lastactiontime
              ''' % (where,)
  
          while self.ui.tableWidgetSent.rowCount() > 0:
              self.ui.tableWidgetSent.removeRow(0)
  
          queryreturn = sqlQuery(sqlStatement, what)
          for row in queryreturn:
              toAddress, fromAddress, subject, status, ackdata, lastactiontime = row
              subject = shared.fixPotentiallyInvalidUTF8Data(subject)
  
              if shared.config.has_section(fromAddress):
                  fromLabel = shared.config.get(fromAddress, 'label')
              else:
                  fromLabel = fromAddress
  
              toLabel = ''
              queryreturn = sqlQuery(
                  '''select label from addressbook where address=?''', toAddress)
              if queryreturn != []:
                  for row in queryreturn:
                      toLabel, = row
              if toLabel == '':
                  # It might be a broadcast message. We should check for that
                  # label.
                  queryreturn = sqlQuery(
                      '''select label from subscriptions where address=?''', toAddress)
  
                  if queryreturn != []:
                      for row in queryreturn:
                          toLabel, = row
              
              if toLabel == '':
                  if shared.config.has_section(toAddress):
                      toLabel = shared.config.get(toAddress, 'label')
              if toLabel == '':
                  toLabel = toAddress
  
              self.ui.tableWidgetSent.insertRow(0)
              toAddressItem = QtGui.QTableWidgetItem(unicode(toLabel, 'utf-8'))
              toAddressItem.setToolTip(unicode(toLabel, 'utf-8'))
              toAddressItem.setIcon(avatarize(toAddress))
              toAddressItem.setData(Qt.UserRole, str(toAddress))
              toAddressItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetSent.setItem(0, 0, toAddressItem)
  
              if fromLabel == '':
                  fromLabel = fromAddress
              fromAddressItem = QtGui.QTableWidgetItem(unicode(fromLabel, 'utf-8'))
              fromAddressItem.setToolTip(unicode(fromLabel, 'utf-8'))
              fromAddressItem.setIcon(avatarize(fromAddress))
              fromAddressItem.setData(Qt.UserRole, str(fromAddress))
              fromAddressItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetSent.setItem(0, 1, fromAddressItem)
  
              subjectItem = QtGui.QTableWidgetItem(unicode(subject, 'utf-8'))
              subjectItem.setToolTip(unicode(subject, 'utf-8'))
              subjectItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetSent.setItem(0, 2, subjectItem)
  
              if status == 'awaitingpubkey':
                  statusText = _translate(
                      "MainWindow", "Waiting for their encryption key. Will request it again soon.")
              elif status == 'doingpowforpubkey':
                  statusText = _translate(
                      "MainWindow", "Encryption key request queued.")
              elif status == 'msgqueued':
                  statusText = _translate(
                      "MainWindow", "Queued.")
              elif status == 'msgsent':
                  statusText = _translate("MainWindow", "Message sent. Waiting for acknowledgement. Sent at %1").arg(
                      l10n.formatTimestamp(lastactiontime))
              elif status == 'msgsentnoackexpected':
                  statusText = _translate("MainWindow", "Message sent. Sent at %1").arg(
                      l10n.formatTimestamp(lastactiontime))
              elif status == 'doingmsgpow':
                  statusText = _translate(
                      "MainWindow", "Need to do work to send message. Work is queued.")
              elif status == 'ackreceived':
                  statusText = _translate("MainWindow", "Acknowledgement of the message received %1").arg(
                      l10n.formatTimestamp(lastactiontime))
              elif status == 'broadcastqueued':
                  statusText = _translate(
                      "MainWindow", "Broadcast queued.")
              elif status == 'broadcastsent':
                  statusText = _translate("MainWindow", "Broadcast on %1").arg(
                      l10n.formatTimestamp(lastactiontime))
              elif status == 'toodifficult':
                  statusText = _translate("MainWindow", "Problem: The work demanded by the recipient is more difficult than you are willing to do. %1").arg(
                      l10n.formatTimestamp(lastactiontime))
              elif status == 'badkey':
                  statusText = _translate("MainWindow", "Problem: The recipient\'s encryption key is no good. Could not encrypt message. %1").arg(
                      l10n.formatTimestamp(lastactiontime))
              elif status == 'forcepow':
                  statusText = _translate(
                      "MainWindow", "Forced difficulty override. Send should start soon.")
              else:
                  statusText = _translate("MainWindow", "Unknown status: %1 %2").arg(status).arg(
                      l10n.formatTimestamp(lastactiontime))
              newItem = myTableWidgetItem(statusText)
              newItem.setToolTip(statusText)
              newItem.setData(Qt.UserRole, QByteArray(ackdata))
              newItem.setData(33, int(lastactiontime))
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetSent.setItem(0, 3, newItem)
          self.ui.tableWidgetSent.sortItems(3, Qt.DescendingOrder)
          self.ui.tableWidgetSent.keyPressEvent = self.tableWidgetSentKeyPressEvent
  
      # Load inbox from messages database file
      def loadInbox(self, where="", what=""):
          what = "%" + what + "%"
          if where == "To":
              where = "toaddress"
          elif where == "From":
              where = "fromaddress"
          elif where == "Subject":
              where = "subject"
          elif where == "Message":
              where = "message"
          else:
              where = "toaddress || fromaddress || subject || message"
  
          sqlStatement = '''
              SELECT msgid, toaddress, fromaddress, subject, received, read
              FROM inbox WHERE folder="inbox" AND %s LIKE ?
              ORDER BY received
              ''' % (where,)
  
          while self.ui.tableWidgetInbox.rowCount() > 0:
              self.ui.tableWidgetInbox.removeRow(0)
  
          font = QFont()
          font.setBold(True)
          queryreturn = sqlQuery(sqlStatement, what)
          for row in queryreturn:
              msgid, toAddress, fromAddress, subject, received, read = row
              subject = shared.fixPotentiallyInvalidUTF8Data(subject)
              try:
                  if toAddress == self.str_broadcast_subscribers:
                      toLabel = self.str_broadcast_subscribers
                  else:
                      toLabel = shared.config.get(toAddress, 'label')
              except:
                  toLabel = ''
              if toLabel == '':
                  toLabel = toAddress
  
              fromLabel = ''
              if shared.config.has_section(fromAddress):
                  fromLabel = shared.config.get(fromAddress, 'label')
              
              if fromLabel == '':  # If the fromAddress isn't one of our addresses and isn't a chan
                  queryreturn = sqlQuery(
                      '''select label from addressbook where address=?''', fromAddress)
                  if queryreturn != []:
                      for row in queryreturn:
                          fromLabel, = row
  
              if fromLabel == '':  # If this address wasn't in our address book...
                  queryreturn = sqlQuery(
                      '''select label from subscriptions where address=?''', fromAddress)
                  if queryreturn != []:
                      for row in queryreturn:
                          fromLabel, = row
              if fromLabel == '':
                  fromLabel = fromAddress
              
              # message row
              self.ui.tableWidgetInbox.insertRow(0)
              # to
              to_item = QtGui.QTableWidgetItem(unicode(toLabel, 'utf-8'))
              to_item.setToolTip(unicode(toLabel, 'utf-8'))
              to_item.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              if not read:
                  to_item.setFont(font)
              to_item.setData(Qt.UserRole, str(toAddress))
              if shared.safeConfigGetBoolean(toAddress, 'mailinglist'):
                  to_item.setTextColor(QtGui.QColor(137, 04, 177)) # magenta
              if shared.safeConfigGetBoolean(str(toAddress), 'chan'):
                  to_item.setTextColor(QtGui.QColor(216, 119, 0)) # orange
              to_item.setIcon(avatarize(toAddress))
              self.ui.tableWidgetInbox.setItem(0, 0, to_item)
              # from
              from_item = QtGui.QTableWidgetItem(unicode(fromLabel, 'utf-8'))
              from_item.setToolTip(unicode(fromLabel, 'utf-8'))
              from_item.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              if not read:
                  from_item.setFont(font)
              from_item.setData(Qt.UserRole, str(fromAddress))
              if shared.safeConfigGetBoolean(str(fromAddress), 'chan'):
                  from_item.setTextColor(QtGui.QColor(216, 119, 0)) # orange
              from_item.setIcon(avatarize(fromAddress))
              self.ui.tableWidgetInbox.setItem(0, 1, from_item)
              # subject
              subject_item = QtGui.QTableWidgetItem(unicode(subject, 'utf-8'))
              subject_item.setToolTip(unicode(subject, 'utf-8'))
              subject_item.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              if not read:
                  subject_item.setFont(font)
              self.ui.tableWidgetInbox.setItem(0, 2, subject_item)
              # time received
              time_item = myTableWidgetItem(l10n.formatTimestamp(received))
              time_item.setToolTip(l10n.formatTimestamp(received))
              time_item.setData(Qt.UserRole, QByteArray(msgid))
              time_item.setData(33, int(received))
              time_item.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              if not read:
                  time_item.setFont(font)
              self.ui.tableWidgetInbox.setItem(0, 3, time_item)
  
          self.ui.tableWidgetInbox.sortItems(3, Qt.DescendingOrder)
          self.ui.tableWidgetInbox.keyPressEvent = self.tableWidgetInboxKeyPressEvent
  
      # create application indicator
      def appIndicatorInit(self, app):
          self.initTrayIcon("can-icon-24px-red.png", app)
          if sys.platform[0:3] == 'win':
              traySignal = "activated(QSystemTrayIcon::ActivationReason)"
              QtCore.QObject.connect(self.tray, QtCore.SIGNAL(
                  traySignal), self.__icon_activated)
  
          m = QMenu()
  
          self.actionStatus = QtGui.QAction(_translate(
              "MainWindow", "Not Connected"), m, checkable=False)
          m.addAction(self.actionStatus)
  
          # separator
          actionSeparator = QtGui.QAction('', m, checkable=False)
          actionSeparator.setSeparator(True)
          m.addAction(actionSeparator)
  
          # show bitmessage
          self.actionShow = QtGui.QAction(_translate(
              "MainWindow", "Show Bitmessage"), m, checkable=True)
          self.actionShow.setChecked(not shared.config.getboolean(
              'bitmessagesettings', 'startintray'))
          self.actionShow.triggered.connect(self.appIndicatorShowOrHideWindow)
          if not sys.platform[0:3] == 'win':
              m.addAction(self.actionShow)
  
          # Send
          actionSend = QtGui.QAction(_translate(
              "MainWindow", "Send"), m, checkable=False)
          actionSend.triggered.connect(self.appIndicatorSend)
          m.addAction(actionSend)
  
          # Subscribe
          actionSubscribe = QtGui.QAction(_translate(
              "MainWindow", "Subscribe"), m, checkable=False)
          actionSubscribe.triggered.connect(self.appIndicatorSubscribe)
          m.addAction(actionSubscribe)
  
          # Address book
          actionAddressBook = QtGui.QAction(_translate(
              "MainWindow", "Address Book"), m, checkable=False)
          actionAddressBook.triggered.connect(self.appIndicatorAddressBook)
          m.addAction(actionAddressBook)
  
          # separator
          actionSeparator = QtGui.QAction('', m, checkable=False)
          actionSeparator.setSeparator(True)
          m.addAction(actionSeparator)
  
          # Quit
          m.addAction(_translate(
              "MainWindow", "Quit"), self.quit)
  
          self.tray.setContextMenu(m)
          self.tray.show()
  
      # Ubuntu Messaging menu object
      mmapp = None
  
      # is the operating system Ubuntu?
      def isUbuntu(self):
          for entry in platform.uname():
              if "Ubuntu" in entry:
                  return True
          return False
  
      # When an unread inbox row is selected on then clear the messaging menu
      def ubuntuMessagingMenuClear(self, inventoryHash):
          global withMessagingMenu
  
          # if this isn't ubuntu then don't do anything
          if not self.isUbuntu():
              return
  
          # has messageing menu been installed
          if not withMessagingMenu:
              return
  
          # if there are no items on the messaging menu then
          # the subsequent query can be avoided
          if not (self.mmapp.has_source("Subscriptions") or self.mmapp.has_source("Messages")):
              return
  
          queryreturn = sqlQuery(
              '''SELECT toaddress, read FROM inbox WHERE msgid=?''', inventoryHash)
          for row in queryreturn:
              toAddress, read = row
              if not read:
                  if toAddress == self.str_broadcast_subscribers:
                      if self.mmapp.has_source("Subscriptions"):
                          self.mmapp.remove_source("Subscriptions")
                  else:
                      if self.mmapp.has_source("Messages"):
                          self.mmapp.remove_source("Messages")
  
      # returns the number of unread messages and subscriptions
      def getUnread(self):
          unreadMessages = 0
          unreadSubscriptions = 0
  
          queryreturn = sqlQuery(
              '''SELECT msgid, toaddress, read FROM inbox where folder='inbox' ''')
          for row in queryreturn:
              msgid, toAddress, read = row
  
              try:
                  if toAddress == self.str_broadcast_subscribers:
                      toLabel = self.str_broadcast_subscribers
                  else:
                      toLabel = shared.config.get(toAddress, 'label')
              except:
                  toLabel = ''
              if toLabel == '':
                  toLabel = toAddress
  
              if not read:
                  if toLabel == self.str_broadcast_subscribers:
                      # increment the unread subscriptions
                      unreadSubscriptions = unreadSubscriptions + 1
                  else:
                      # increment the unread messages
                      unreadMessages = unreadMessages + 1
          return unreadMessages, unreadSubscriptions
  
      # show the number of unread messages and subscriptions on the messaging
      # menu
      def ubuntuMessagingMenuUnread(self, drawAttention):
          unreadMessages, unreadSubscriptions = self.getUnread()
          # unread messages
          if unreadMessages > 0:
              self.mmapp.append_source(
                  "Messages", None, "Messages (" + str(unreadMessages) + ")")
              if drawAttention:
                  self.mmapp.draw_attention("Messages")
  
          # unread subscriptions
          if unreadSubscriptions > 0:
              self.mmapp.append_source("Subscriptions", None, "Subscriptions (" + str(
                  unreadSubscriptions) + ")")
              if drawAttention:
                  self.mmapp.draw_attention("Subscriptions")
  
      # initialise the Ubuntu messaging menu
      def ubuntuMessagingMenuInit(self):
          global withMessagingMenu
  
          # if this isn't ubuntu then don't do anything
          if not self.isUbuntu():
              return
  
          # has messageing menu been installed
          if not withMessagingMenu:
              print 'WARNING: MessagingMenu is not available.  Is libmessaging-menu-dev installed?'
              return
  
          # create the menu server
          if withMessagingMenu:
              try:
                  self.mmapp = MessagingMenu.App(
                      desktop_id='pybitmessage.desktop')
                  self.mmapp.register()
                  self.mmapp.connect('activate-source', self.appIndicatorInbox)
                  self.ubuntuMessagingMenuUnread(True)
              except Exception:
                  withMessagingMenu = False
                  print 'WARNING: messaging menu disabled'
  
      # update the Ubuntu messaging menu
      def ubuntuMessagingMenuUpdate(self, drawAttention, newItem, toLabel):
          global withMessagingMenu
  
          # if this isn't ubuntu then don't do anything
          if not self.isUbuntu():
              return
  
          # has messageing menu been installed
          if not withMessagingMenu:
              print 'WARNING: messaging menu disabled or libmessaging-menu-dev not installed'
              return
  
          # remember this item to that the messaging menu can find it
          if toLabel == self.str_broadcast_subscribers:
              self.newBroadcastItem = newItem
          else:
              self.newMessageItem = newItem
  
          # Remove previous messages and subscriptions entries, then recreate them
          # There might be a better way to do it than this
          if self.mmapp.has_source("Messages"):
              self.mmapp.remove_source("Messages")
  
          if self.mmapp.has_source("Subscriptions"):
              self.mmapp.remove_source("Subscriptions")
  
          # update the menu entries
          self.ubuntuMessagingMenuUnread(drawAttention)
  
      # returns true if the given sound category is a connection sound
      # rather than a received message sound
      def isConnectionSound(self, category):
          if (category is self.SOUND_CONNECTED or
              category is self.SOUND_DISCONNECTED or
              category is self.SOUND_CONNECTION_GREEN):
              return True
          return False
  
      # play a sound
      def playSound(self, category, label):
          # filename of the sound to be played
          soundFilename = None
  
          # whether to play a sound or not
          play = True
  
          # if the address had a known label in the address book
          if label is not None:
              # Does a sound file exist for this particular contact?
              if (os.path.isfile(shared.appdata + 'sounds/' + label + '.wav') or
                  os.path.isfile(shared.appdata + 'sounds/' + label + '.mp3')):
                  soundFilename = shared.appdata + 'sounds/' + label
  
          # Avoid making sounds more frequently than the threshold.
          # This suppresses playing sounds repeatedly when there
          # are many new messages
          if (soundFilename is None and
              not self.isConnectionSound(category)):
              # elapsed time since the last sound was played
              dt = datetime.datetime.now() - self.lastSoundTime
              # suppress sounds which are more frequent than the threshold
              if dt.total_seconds() < self.maxSoundFrequencySec:
                  play = False
  
          if soundFilename is None:
              # the sound is for an address which exists in the address book
              if category is self.SOUND_KNOWN:
                  soundFilename = shared.appdata + 'sounds/known'
              # the sound is for an unknown address
              elif category is self.SOUND_UNKNOWN:
                  soundFilename = shared.appdata + 'sounds/unknown'
              # initial connection sound
              elif category is self.SOUND_CONNECTED:
                  soundFilename = shared.appdata + 'sounds/connected'
              # disconnected sound
              elif category is self.SOUND_DISCONNECTED:
                  soundFilename = shared.appdata + 'sounds/disconnected'
              # sound when the connection status becomes green
              elif category is self.SOUND_CONNECTION_GREEN:
                  soundFilename = shared.appdata + 'sounds/green'            
  
          if soundFilename is not None and play is True:
              if not self.isConnectionSound(category):
                  # record the last time that a received message sound was played
                  self.lastSoundTime = datetime.datetime.now()
  
              # if not wav then try mp3 format
              if not os.path.isfile(soundFilename + '.wav'):
                  soundFilename = soundFilename + '.mp3'
              else:
                  soundFilename = soundFilename + '.wav'
  
              if os.path.isfile(soundFilename):
                  if 'linux' in sys.platform:
                      # Note: QSound was a nice idea but it didn't work
                      if '.mp3' in soundFilename:
                          gst_available=False
                          try:
                              subprocess.call(["gst123", soundFilename],
                                              stdin=subprocess.PIPE, 
                                              stdout=subprocess.PIPE)
                              gst_available=True
                          except:
                              print "WARNING: gst123 must be installed in order to play mp3 sounds"
                          if not gst_available:
                              try:
                                  subprocess.call(["mpg123", soundFilename],
                                                  stdin=subprocess.PIPE, 
                                                  stdout=subprocess.PIPE)
                                  gst_available=True
                              except:
                                  print "WARNING: mpg123 must be installed in order to play mp3 sounds"
                      else:
                          try:
                              subprocess.call(["aplay", soundFilename],
                                              stdin=subprocess.PIPE, 
                                              stdout=subprocess.PIPE)
                          except:
                              print "WARNING: aplay must be installed in order to play WAV sounds"
                  elif sys.platform[0:3] == 'win':
                      # use winsound on Windows
                      import winsound
                      winsound.PlaySound(soundFilename, winsound.SND_FILENAME)
  
      # initialise the message notifier
      def notifierInit(self):
          global withMessagingMenu
          if withMessagingMenu:
              Notify.init('pybitmessage')
  
      # shows a notification
      def notifierShow(self, title, subtitle, fromCategory, label):
          global withMessagingMenu
  
          self.playSound(fromCategory, label);
  
          if withMessagingMenu:
              n = Notify.Notification.new(
                  title, subtitle, 'notification-message-email')
              try:
                  n.show()
              except:
                  # n.show() has been known to throw this exception:
                  # gi._glib.GError: GDBus.Error:org.freedesktop.Notifications.
                  # MaxNotificationsExceeded: Exceeded maximum number of
                  # notifications
                  pass
              return
          else:
              self.tray.showMessage(title, subtitle, 1, 2000)
  
      def tableWidgetInboxKeyPressEvent(self, event):
          if event.key() == QtCore.Qt.Key_Delete:
              self.on_action_InboxTrash()
          return QtGui.QTableWidget.keyPressEvent(self.ui.tableWidgetInbox, event)
  
      def tableWidgetSentKeyPressEvent(self, event):
          if event.key() == QtCore.Qt.Key_Delete:
              self.on_action_SentTrash()
          return QtGui.QTableWidget.keyPressEvent(self.ui.tableWidgetSent, event)
  
      def click_actionManageKeys(self):
          if 'darwin' in sys.platform or 'linux' in sys.platform:
              if shared.appdata == '':
                  # reply = QtGui.QMessageBox.information(self, 'keys.dat?','You
                  # may manage your keys by editing the keys.dat file stored in
                  # the same directory as this program. It is important that you
                  # back up this file.', QMessageBox.Ok)
                  reply = QtGui.QMessageBox.information(self, 'keys.dat?', _translate(
                      "MainWindow", "You may manage your keys by editing the keys.dat file stored in the same directory as this program. It is important that you back up this file."), QMessageBox.Ok)
  
              else:
                  QtGui.QMessageBox.information(self, 'keys.dat?', _translate(
                      "MainWindow", "You may manage your keys by editing the keys.dat file stored in\n %1 \nIt is important that you back up this file.").arg(shared.appdata), QMessageBox.Ok)
          elif sys.platform == 'win32' or sys.platform == 'win64':
              if shared.appdata == '':
                  reply = QtGui.QMessageBox.question(self, _translate("MainWindow", "Open keys.dat?"), _translate(
                      "MainWindow", "You may manage your keys by editing the keys.dat file stored in the same directory as this program. It is important that you back up this file. Would you like to open the file now? (Be sure to close Bitmessage before making any changes.)"), QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
              else:
                  reply = QtGui.QMessageBox.question(self, _translate("MainWindow", "Open keys.dat?"), _translate(
                      "MainWindow", "You may manage your keys by editing the keys.dat file stored in\n %1 \nIt is important that you back up this file. Would you like to open the file now? (Be sure to close Bitmessage before making any changes.)").arg(shared.appdata), QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
              if reply == QtGui.QMessageBox.Yes:
                  self.openKeysFile()
  
      def click_actionDeleteAllTrashedMessages(self):
          if QtGui.QMessageBox.question(self, _translate("MainWindow", "Delete trash?"), _translate("MainWindow", "Are you sure you want to delete all trashed messages?"), QtGui.QMessageBox.Yes, QtGui.QMessageBox.No) == QtGui.QMessageBox.No:
              return
          sqlStoredProcedure('deleteandvacuume')
  
      def click_actionRegenerateDeterministicAddresses(self):
          self.regenerateAddressesDialogInstance = regenerateAddressesDialog(
              self)
          if self.regenerateAddressesDialogInstance.exec_():
              if self.regenerateAddressesDialogInstance.ui.lineEditPassphrase.text() == "":
                  QMessageBox.about(self, _translate("MainWindow", "bad passphrase"), _translate(
                      "MainWindow", "You must type your passphrase. If you don\'t have one then this is not the form for you."))
                  return
              streamNumberForAddress = int(
                  self.regenerateAddressesDialogInstance.ui.lineEditStreamNumber.text())
              try:
                  addressVersionNumber = int(
                      self.regenerateAddressesDialogInstance.ui.lineEditAddressVersionNumber.text())
              except:
                  QMessageBox.about(self, _translate("MainWindow", "Bad address version number"), _translate(
                      "MainWindow", "Your address version number must be a number: either 3 or 4."))
                  return
              if addressVersionNumber < 3 or addressVersionNumber > 4:
                  QMessageBox.about(self, _translate("MainWindow", "Bad address version number"), _translate(
                      "MainWindow", "Your address version number must be either 3 or 4."))
                  return
              shared.addressGeneratorQueue.put(('createDeterministicAddresses', addressVersionNumber, streamNumberForAddress, "regenerated deterministic address", self.regenerateAddressesDialogInstance.ui.spinBoxNumberOfAddressesToMake.value(
              ), self.regenerateAddressesDialogInstance.ui.lineEditPassphrase.text().toUtf8(), self.regenerateAddressesDialogInstance.ui.checkBoxEighteenByteRipe.isChecked()))
              self.ui.tabWidget.setCurrentIndex(3)
  
      def click_actionJoinChan(self):
          self.newChanDialogInstance = newChanDialog(self)
          if self.newChanDialogInstance.exec_():
              if self.newChanDialogInstance.ui.radioButtonCreateChan.isChecked():
                  if self.newChanDialogInstance.ui.lineEditChanNameCreate.text() == "":
                      QMessageBox.about(self, _translate("MainWindow", "Chan name needed"), _translate(
                          "MainWindow", "You didn't enter a chan name."))
                      return
                  shared.apiAddressGeneratorReturnQueue.queue.clear()
                  shared.addressGeneratorQueue.put(('createChan', 4, 1, self.str_chan + ' ' + str(self.newChanDialogInstance.ui.lineEditChanNameCreate.text().toUtf8()), self.newChanDialogInstance.ui.lineEditChanNameCreate.text().toUtf8()))
                  addressGeneratorReturnValue = shared.apiAddressGeneratorReturnQueue.get()
                  print 'addressGeneratorReturnValue', addressGeneratorReturnValue
                  if len(addressGeneratorReturnValue) == 0:
                      QMessageBox.about(self, _translate("MainWindow", "Address already present"), _translate(
                          "MainWindow", "Could not add chan because it appears to already be one of your identities."))
                      return
                  createdAddress = addressGeneratorReturnValue[0]
                  QMessageBox.about(self, _translate("MainWindow", "Success"), _translate(
                      "MainWindow", "Successfully created chan. To let others join your chan, give them the chan name and this Bitmessage address: %1. This address also appears in 'Your Identities'.").arg(createdAddress))
                  self.ui.tabWidget.setCurrentIndex(3)
              elif self.newChanDialogInstance.ui.radioButtonJoinChan.isChecked():
                  if self.newChanDialogInstance.ui.lineEditChanNameJoin.text() == "":
                      QMessageBox.about(self, _translate("MainWindow", "Chan name needed"), _translate(
                          "MainWindow", "You didn't enter a chan name."))
                      return
                  if decodeAddress(self.newChanDialogInstance.ui.lineEditChanBitmessageAddress.text())[0] == 'versiontoohigh':
                      QMessageBox.about(self, _translate("MainWindow", "Address too new"), _translate(
                          "MainWindow", "Although that Bitmessage address might be valid, its version number is too new for us to handle. Perhaps you need to upgrade Bitmessage."))
                      return
                  if decodeAddress(self.newChanDialogInstance.ui.lineEditChanBitmessageAddress.text())[0] != 'success':
                      QMessageBox.about(self, _translate("MainWindow", "Address invalid"), _translate(
                          "MainWindow", "That Bitmessage address is not valid."))
                      return
                  shared.apiAddressGeneratorReturnQueue.queue.clear()
                  shared.addressGeneratorQueue.put(('joinChan', addBMIfNotPresent(self.newChanDialogInstance.ui.lineEditChanBitmessageAddress.text()), self.str_chan + ' ' + str(self.newChanDialogInstance.ui.lineEditChanNameJoin.text().toUtf8()), self.newChanDialogInstance.ui.lineEditChanNameJoin.text().toUtf8()))
                  addressGeneratorReturnValue = shared.apiAddressGeneratorReturnQueue.get()
                  print 'addressGeneratorReturnValue', addressGeneratorReturnValue
                  if addressGeneratorReturnValue == 'chan name does not match address':
                      QMessageBox.about(self, _translate("MainWindow", "Address does not match chan name"), _translate(
                          "MainWindow", "Although the Bitmessage address you entered was valid, it doesn\'t match the chan name."))
                      return
                  if len(addressGeneratorReturnValue) == 0:
                      QMessageBox.about(self, _translate("MainWindow", "Address already present"), _translate(
                          "MainWindow", "Could not add chan because it appears to already be one of your identities."))
                      return
                  createdAddress = addressGeneratorReturnValue[0]
                  QMessageBox.about(self, _translate("MainWindow", "Success"), _translate(
                      "MainWindow", "Successfully joined chan. "))
                  self.ui.tabWidget.setCurrentIndex(3)
  
      def showConnectDialog(self):
          self.connectDialogInstance = connectDialog(self)
          if self.connectDialogInstance.exec_():
              if self.connectDialogInstance.ui.radioButtonConnectNow.isChecked():
                  shared.config.remove_option('bitmessagesettings', 'dontconnect')
                  with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                      shared.config.write(configfile)
              else:
                  self.click_actionSettings()
  
      def openKeysFile(self):
          if 'linux' in sys.platform:
              subprocess.call(["xdg-open", shared.appdata + 'keys.dat'])
          else:
              os.startfile(shared.appdata + 'keys.dat')
  
      def changeEvent(self, event):
          if event.type() == QtCore.QEvent.WindowStateChange:
              if self.windowState() & QtCore.Qt.WindowMinimized:
                  self.actionShow.setChecked(False)
          if shared.config.getboolean('bitmessagesettings', 'minimizetotray') and not 'darwin' in sys.platform:
              if event.type() == QtCore.QEvent.WindowStateChange:
                  if self.windowState() & QtCore.Qt.WindowMinimized:
                      self.appIndicatorHide()
                      if 'win32' in sys.platform or 'win64' in sys.platform:
                          self.setWindowFlags(Qt.ToolTip)
                  elif event.oldState() & QtCore.Qt.WindowMinimized:
                      # The window state has just been changed to
                      # Normal/Maximised/FullScreen
                      pass
              # QtGui.QWidget.changeEvent(self, event)
  
      def __icon_activated(self, reason):
          if reason == QtGui.QSystemTrayIcon.Trigger:
              self.actionShow.setChecked(not self.actionShow.isChecked())
              self.appIndicatorShowOrHideWindow()
  
      def updateNumberOfMessagesProcessed(self):
          self.ui.labelMessageCount.setText(_translate(
              "MainWindow", "Processed %1 person-to-person messages.").arg(str(shared.numberOfMessagesProcessed)))
  
      def updateNumberOfBroadcastsProcessed(self):
          self.ui.labelBroadcastCount.setText(_translate(
              "MainWindow", "Processed %1 broadcast messages.").arg(str(shared.numberOfBroadcastsProcessed)))
  
      def updateNumberOfPubkeysProcessed(self):
          self.ui.labelPubkeyCount.setText(_translate(
              "MainWindow", "Processed %1 public keys.").arg(str(shared.numberOfPubkeysProcessed)))
  
      def formatBytes(self, num):
          for x in ['bytes','KB','MB','GB']:
              if num < 1000.0:
                  return "%3.0f %s" % (num, x)
              num /= 1000.0
          return "%3.0f %s" % (num, 'TB')
      
      def formatByteRate(self, num):
          num /= 1000
          return "%4.0f KB" % num
  
      def updateNumberOfBytes(self):
          """
          This function is run every two seconds, so we divide the rate of bytes
          sent and received by 2.
          """
          self.ui.labelBytesRecvCount.setText(_translate(
              "MainWindow", "Down: %1/s  Total: %2").arg(self.formatByteRate(shared.numberOfBytesReceived/2), self.formatBytes(self.totalNumberOfBytesReceived)))
          self.ui.labelBytesSentCount.setText(_translate(
              "MainWindow", "Up: %1/s  Total: %2").arg(self.formatByteRate(shared.numberOfBytesSent/2), self.formatBytes(self.totalNumberOfBytesSent)))
          self.totalNumberOfBytesReceived += shared.numberOfBytesReceived
          self.totalNumberOfBytesSent += shared.numberOfBytesSent
          shared.numberOfBytesReceived = 0
          shared.numberOfBytesSent = 0
  
      def updateNetworkStatusTab(self):
          # print 'updating network status tab'
          totalNumberOfConnectionsFromAllStreams = 0  # One would think we could use len(sendDataQueues) for this but the number doesn't always match: just because we have a sendDataThread running doesn't mean that the connection has been fully established (with the exchange of version messages).
          streamNumberTotals = {}
          for host, streamNumber in shared.connectedHostsList.items():
              if not streamNumber in streamNumberTotals:
                  streamNumberTotals[streamNumber] = 1
              else:
                  streamNumberTotals[streamNumber] += 1
  
          while self.ui.tableWidgetConnectionCount.rowCount() > 0:
              self.ui.tableWidgetConnectionCount.removeRow(0)
          for streamNumber, connectionCount in streamNumberTotals.items():
              self.ui.tableWidgetConnectionCount.insertRow(0)
              if streamNumber == 0:
                  newItem = QtGui.QTableWidgetItem("?")
              else:
                  newItem = QtGui.QTableWidgetItem(str(streamNumber))
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetConnectionCount.setItem(0, 0, newItem)
              newItem = QtGui.QTableWidgetItem(str(connectionCount))
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetConnectionCount.setItem(0, 1, newItem)
          """for currentRow in range(self.ui.tableWidgetConnectionCount.rowCount()):
              rowStreamNumber = int(self.ui.tableWidgetConnectionCount.item(currentRow,0).text())
              if streamNumber == rowStreamNumber:
                  foundTheRowThatNeedsUpdating = True
                  self.ui.tableWidgetConnectionCount.item(currentRow,1).setText(str(connectionCount))
                  #totalNumberOfConnectionsFromAllStreams += connectionCount
          if foundTheRowThatNeedsUpdating == False:
              #Add a line to the table for this stream number and update its count with the current connection count.
              self.ui.tableWidgetConnectionCount.insertRow(0)
              newItem =  QtGui.QTableWidgetItem(str(streamNumber))
              newItem.setFlags( QtCore.Qt.ItemIsSelectable |  QtCore.Qt.ItemIsEnabled )
              self.ui.tableWidgetConnectionCount.setItem(0,0,newItem)
              newItem =  QtGui.QTableWidgetItem(str(connectionCount))
              newItem.setFlags( QtCore.Qt.ItemIsSelectable |  QtCore.Qt.ItemIsEnabled )
              self.ui.tableWidgetConnectionCount.setItem(0,1,newItem)
              totalNumberOfConnectionsFromAllStreams += connectionCount"""
          self.ui.labelTotalConnections.setText(_translate(
              "MainWindow", "Total Connections: %1").arg(str(len(shared.connectedHostsList))))
          if len(shared.connectedHostsList) > 0 and shared.statusIconColor == 'red':  # FYI: The 'singlelistener' thread sets the icon color to green when it receives an incoming connection, meaning that the user's firewall is configured correctly.
              self.setStatusIcon('yellow')
          elif len(shared.connectedHostsList) == 0:
              self.setStatusIcon('red')
  
      # timer driven
      def runEveryTwoSeconds(self):
          self.ui.labelLookupsPerSecond.setText(_translate(
              "MainWindow", "Inventory lookups per second: %1").arg(str(shared.numberOfInventoryLookupsPerformed/2)))
          shared.numberOfInventoryLookupsPerformed = 0
          self.updateNumberOfBytes()
  
      # Indicates whether or not there is a connection to the Bitmessage network
      connected = False
  
      def setStatusIcon(self, color):
          global withMessagingMenu
          # print 'setting status icon color'
          if color == 'red':
              self.ui.pushButtonStatusIcon.setIcon(
                  QIcon(":/newPrefix/images/redicon.png"))
              shared.statusIconColor = 'red'
              # if the connection is lost then show a notification
              if self.connected:
                  self.notifierShow('Bitmessage', unicode(_translate(
                              "MainWindow", "Connection lost").toUtf8(),'utf-8'),
                                    self.SOUND_DISCONNECTED, None)
              self.connected = False
  
              if self.actionStatus is not None:
                  self.actionStatus.setText(_translate(
                      "MainWindow", "Not Connected"))
                  self.setTrayIconFile("can-icon-24px-red.png")
          if color == 'yellow':
              if self.statusBar().currentMessage() == 'Warning: You are currently not connected. Bitmessage will do the work necessary to send the message but it won\'t send until you connect.':
                  self.statusBar().showMessage('')
              self.ui.pushButtonStatusIcon.setIcon(QIcon(
                  ":/newPrefix/images/yellowicon.png"))
              shared.statusIconColor = 'yellow'
              # if a new connection has been established then show a notification
              if not self.connected:
                  self.notifierShow('Bitmessage', unicode(_translate(
                              "MainWindow", "Connected").toUtf8(),'utf-8'),
                                    self.SOUND_CONNECTED, None)
              self.connected = True
  
              if self.actionStatus is not None:
                  self.actionStatus.setText(_translate(
                      "MainWindow", "Connected"))
                  self.setTrayIconFile("can-icon-24px-yellow.png")
          if color == 'green':
              if self.statusBar().currentMessage() == 'Warning: You are currently not connected. Bitmessage will do the work necessary to send the message but it won\'t send until you connect.':
                  self.statusBar().showMessage('')
              self.ui.pushButtonStatusIcon.setIcon(
                  QIcon(":/newPrefix/images/greenicon.png"))
              shared.statusIconColor = 'green'
              if not self.connected:
                  self.notifierShow('Bitmessage', unicode(_translate(
                              "MainWindow", "Connected").toUtf8(),'utf-8'),
                                    self.SOUND_CONNECTION_GREEN, None)
              self.connected = True
  
              if self.actionStatus is not None:
                  self.actionStatus.setText(_translate(
                      "MainWindow", "Connected"))
                  self.setTrayIconFile("can-icon-24px-green.png")
  
      def initTrayIcon(self, iconFileName, app):
          self.currentTrayIconFileName = iconFileName
          self.tray = QSystemTrayIcon(
              self.calcTrayIcon(iconFileName, self.findInboxUnreadCount()), app)
  
      def setTrayIconFile(self, iconFileName):
          self.currentTrayIconFileName = iconFileName
          self.drawTrayIcon(iconFileName, self.findInboxUnreadCount())
  
      def calcTrayIcon(self, iconFileName, inboxUnreadCount):
          pixmap = QtGui.QPixmap(":/newPrefix/images/"+iconFileName)
          if inboxUnreadCount > 0:
              # choose font and calculate font parameters
              fontName = "Lucida"
              fontSize = 10
              font = QtGui.QFont(fontName, fontSize, QtGui.QFont.Bold)
              fontMetrics = QtGui.QFontMetrics(font)
              # text
              txt = str(inboxUnreadCount)
              rect = fontMetrics.boundingRect(txt)
              # margins that we add in the top-right corner
              marginX = 2
              marginY = 0 # it looks like -2 is also ok due to the error of metric
              # if it renders too wide we need to change it to a plus symbol
              if rect.width() > 20:
                  txt = "+"
                  fontSize = 15
                  font = QtGui.QFont(fontName, fontSize, QtGui.QFont.Bold)
                  fontMetrics = QtGui.QFontMetrics(font)
                  rect = fontMetrics.boundingRect(txt)
              # draw text
              painter = QPainter()
              painter.begin(pixmap)
              painter.setPen(QtGui.QPen(QtGui.QColor(255, 0, 0), Qt.SolidPattern))
              painter.setFont(font)
              painter.drawText(24-rect.right()-marginX, -rect.top()+marginY, txt)
              painter.end()
          return QtGui.QIcon(pixmap)
  
      def drawTrayIcon(self, iconFileName, inboxUnreadCount):
          self.tray.setIcon(self.calcTrayIcon(iconFileName, inboxUnreadCount))
  
      def changedInboxUnread(self):
          self.drawTrayIcon(self.currentTrayIconFileName, self.findInboxUnreadCount())
  
      def findInboxUnreadCount(self):
          queryreturn = sqlQuery('''SELECT count(*) from inbox WHERE folder='inbox' and read=0''')
          cnt = 0
          for row in queryreturn:
              cnt, = row
          return int(cnt)
  
      def updateSentItemStatusByHash(self, toRipe, textToDisplay):
          for i in range(self.ui.tableWidgetSent.rowCount()):
              toAddress = str(self.ui.tableWidgetSent.item(
                  i, 0).data(Qt.UserRole).toPyObject())
              status, addressVersionNumber, streamNumber, ripe = decodeAddress(
                  toAddress)
              if ripe == toRipe:
                  self.ui.tableWidgetSent.item(i, 3).setToolTip(textToDisplay)
                  try:
                      newlinePosition = textToDisplay.indexOf('\n')
                  except: # If someone misses adding a "_translate" to a string before passing it to this function, this function won't receive a qstring which will cause an exception.
                      newlinePosition = 0
                  if newlinePosition > 1:
                      self.ui.tableWidgetSent.item(i, 3).setText(
                          textToDisplay[:newlinePosition])
                  else:
                      self.ui.tableWidgetSent.item(i, 3).setText(textToDisplay)
  
      def updateSentItemStatusByAckdata(self, ackdata, textToDisplay):
          for i in range(self.ui.tableWidgetSent.rowCount()):
              toAddress = str(self.ui.tableWidgetSent.item(
                  i, 0).data(Qt.UserRole).toPyObject())
              tableAckdata = self.ui.tableWidgetSent.item(
                  i, 3).data(Qt.UserRole).toPyObject()
              status, addressVersionNumber, streamNumber, ripe = decodeAddress(
                  toAddress)
              if ackdata == tableAckdata:
                  self.ui.tableWidgetSent.item(i, 3).setToolTip(textToDisplay)
                  try:
                      newlinePosition = textToDisplay.indexOf('\n')
                  except: # If someone misses adding a "_translate" to a string before passing it to this function, this function won't receive a qstring which will cause an exception.
                      newlinePosition = 0
                  if newlinePosition > 1:
                      self.ui.tableWidgetSent.item(i, 3).setText(
                          textToDisplay[:newlinePosition])
                  else:
                      self.ui.tableWidgetSent.item(i, 3).setText(textToDisplay)
  
      def removeInboxRowByMsgid(self, msgid):  # msgid and inventoryHash are the same thing
          for i in range(self.ui.tableWidgetInbox.rowCount()):
              if msgid == str(self.ui.tableWidgetInbox.item(i, 3).data(Qt.UserRole).toPyObject()):
                  self.statusBar().showMessage(_translate(
                      "MainWindow", "Message trashed"))
                  self.ui.tableWidgetInbox.removeRow(i)
                  break
          self.changedInboxUnread()
  
      def displayAlert(self, title, text, exitAfterUserClicksOk):
          self.statusBar().showMessage(text)
          QtGui.QMessageBox.critical(self, title, text, QMessageBox.Ok)
          if exitAfterUserClicksOk:
              os._exit(0)
  
      def rerenderInboxFromLabels(self):
          for i in range(self.ui.tableWidgetInbox.rowCount()):
              addressToLookup = str(self.ui.tableWidgetInbox.item(
                  i, 1).data(Qt.UserRole).toPyObject())
              fromLabel = ''
              queryreturn = sqlQuery(
                  '''select label from addressbook where address=?''', addressToLookup)
  
              if queryreturn != []:
                  for row in queryreturn:
                      fromLabel, = row
              
              if fromLabel == '':
                  # It might be a broadcast message. We should check for that
                  # label.
                  queryreturn = sqlQuery(
                      '''select label from subscriptions where address=?''', addressToLookup)
  
                  if queryreturn != []:
                      for row in queryreturn:
                          fromLabel, = row
              if fromLabel == '':
                  # Message might be from an address we own like a chan address. Let's look for that label.
                  if shared.config.has_section(addressToLookup):
                      fromLabel = shared.config.get(addressToLookup, 'label')
              if fromLabel == '':
                  fromLabel = addressToLookup
              self.ui.tableWidgetInbox.item(
                  i, 1).setText(unicode(fromLabel, 'utf-8'))
              self.ui.tableWidgetInbox.item(
                  i, 1).setIcon(avatarize(addressToLookup))
              # Set the color according to whether it is the address of a mailing
              # list or not.
              if shared.safeConfigGetBoolean(addressToLookup, 'chan'):
                  self.ui.tableWidgetInbox.item(i, 1).setTextColor(QtGui.QColor(216, 119, 0)) # orange
              else:
                  self.ui.tableWidgetInbox.item(
                      i, 1).setTextColor(QApplication.palette().text().color())
                      
  
      def rerenderInboxToLabels(self):
          for i in range(self.ui.tableWidgetInbox.rowCount()):
              toAddress = str(self.ui.tableWidgetInbox.item(
                  i, 0).data(Qt.UserRole).toPyObject())
              # Message might be to an address we own like a chan address. Let's look for that label.
              if shared.config.has_section(toAddress):
                  toLabel = shared.config.get(toAddress, 'label')
              else:
                  toLabel = toAddress
              self.ui.tableWidgetInbox.item(
                  i, 0).setText(unicode(toLabel, 'utf-8'))
              self.ui.tableWidgetInbox.item(
                  i, 0).setIcon(avatarize(toAddress))
              # Set the color according to whether it is the address of a mailing
              # list, a chan or neither.
              if shared.safeConfigGetBoolean(toAddress, 'chan'):
                  self.ui.tableWidgetInbox.item(i, 0).setTextColor(QtGui.QColor(216, 119, 0)) # orange
              elif shared.safeConfigGetBoolean(toAddress, 'mailinglist'):
                  self.ui.tableWidgetInbox.item(i, 0).setTextColor(QtGui.QColor(137, 04, 177)) # magenta
              else:
                  self.ui.tableWidgetInbox.item(
                      i, 0).setTextColor(QApplication.palette().text().color())
  
      def rerenderSentFromLabels(self):
          for i in range(self.ui.tableWidgetSent.rowCount()):
              fromAddress = str(self.ui.tableWidgetSent.item(
                  i, 1).data(Qt.UserRole).toPyObject())
              # Message might be from an address we own like a chan address. Let's look for that label.
              if shared.config.has_section(fromAddress):
                  fromLabel = shared.config.get(fromAddress, 'label')
              else:
                  fromLabel = fromAddress
              self.ui.tableWidgetSent.item(
                  i, 1).setText(unicode(fromLabel, 'utf-8'))
              self.ui.tableWidgetSent.item(
                  i, 1).setIcon(avatarize(fromAddress))
  
      def rerenderSentToLabels(self):
          for i in range(self.ui.tableWidgetSent.rowCount()):
              addressToLookup = str(self.ui.tableWidgetSent.item(
                  i, 0).data(Qt.UserRole).toPyObject())
              toLabel = ''
              queryreturn = sqlQuery(
                  '''select label from addressbook where address=?''', addressToLookup)
              if queryreturn != []:
                  for row in queryreturn:
                      toLabel, = row
              
              if toLabel == '':
                  # Message might be to an address we own like a chan address. Let's look for that label.
                  if shared.config.has_section(addressToLookup):
                      toLabel = shared.config.get(addressToLookup, 'label')
              if toLabel == '':
                  toLabel = addressToLookup
              self.ui.tableWidgetSent.item(
                  i, 0).setText(unicode(toLabel, 'utf-8'))
  
      def rerenderAddressBook(self):
          self.ui.tableWidgetAddressBook.setRowCount(0)
          queryreturn = sqlQuery('SELECT * FROM addressbook')
          for row in queryreturn:
              label, address = row
              self.ui.tableWidgetAddressBook.insertRow(0)
              newItem = QtGui.QTableWidgetItem(unicode(label, 'utf-8'))
              newItem.setIcon(avatarize(address))
              self.ui.tableWidgetAddressBook.setItem(0, 0, newItem)
              newItem = QtGui.QTableWidgetItem(address)
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetAddressBook.setItem(0, 1, newItem)
  
      def rerenderSubscriptions(self):
          self.ui.tableWidgetSubscriptions.setRowCount(0)
          queryreturn = sqlQuery('SELECT label, address, enabled FROM subscriptions')
          for row in queryreturn:
              label, address, enabled = row
              self.ui.tableWidgetSubscriptions.insertRow(0)
              newItem = QtGui.QTableWidgetItem(unicode(label, 'utf-8'))
              if not enabled:
                  newItem.setTextColor(QtGui.QColor(128, 128, 128))
              newItem.setIcon(avatarize(address))
              self.ui.tableWidgetSubscriptions.setItem(0, 0, newItem)
              newItem = QtGui.QTableWidgetItem(address)
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              if not enabled:
                  newItem.setTextColor(QtGui.QColor(128, 128, 128))
              self.ui.tableWidgetSubscriptions.setItem(0, 1, newItem)
  
      def click_pushButtonSend(self):
          self.statusBar().showMessage('')
          toAddresses = str(self.ui.lineEditTo.text())
          fromAddress = str(self.ui.labelFrom.text())
          subject = str(self.ui.lineEditSubject.text().toUtf8())
          message = str(
              self.ui.textEditMessage.document().toPlainText().toUtf8())
          """
          The whole network message must fit in 2^18 bytes. Let's assume 500 
          bytes of overhead. If someone wants to get that too an exact 
          number you are welcome to but I think that it would be a better
          use of time to support message continuation so that users can
          send messages of any length.
          """
          if len(message) > (2 ** 18 - 500):  
              QMessageBox.about(self, _translate("MainWindow", "Message too long"), _translate(
                  "MainWindow", "The message that you are trying to send is too long by %1 bytes. (The maximum is 261644 bytes). Please cut it down before sending.").arg(len(message) - (2 ** 18 - 500)))
              return
          if self.ui.radioButtonSpecific.isChecked():  # To send a message to specific people (rather than broadcast)
              toAddressesList = [s.strip()
                                 for s in toAddresses.replace(',', ';').split(';')]
              toAddressesList = list(set(
                  toAddressesList))  # remove duplicate addresses. If the user has one address with a BM- and the same address without the BM-, this will not catch it. They'll send the message to the person twice.
              for toAddress in toAddressesList:
                  if toAddress != '':
                      status, addressVersionNumber, streamNumber, ripe = decodeAddress(
                          toAddress)
                      if status != 'success':
                          with shared.printLock:
                              print 'Error: Could not decode', toAddress, ':', status
  
                          if status == 'missingbm':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: Bitmessage addresses start with BM-   Please check %1").arg(toAddress))
                          elif status == 'checksumfailed':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: The address %1 is not typed or copied correctly. Please check it.").arg(toAddress))
                          elif status == 'invalidcharacters':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: The address %1 contains invalid characters. Please check it.").arg(toAddress))
                          elif status == 'versiontoohigh':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: The address version in %1 is too high. Either you need to upgrade your Bitmessage software or your acquaintance is being clever.").arg(toAddress))
                          elif status == 'ripetooshort':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: Some data encoded in the address %1 is too short. There might be something wrong with the software of your acquaintance.").arg(toAddress))
                          elif status == 'ripetoolong':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: Some data encoded in the address %1 is too long. There might be something wrong with the software of your acquaintance.").arg(toAddress))
                          elif status == 'varintmalformed':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: Some data encoded in the address %1 is malformed. There might be something wrong with the software of your acquaintance.").arg(toAddress))
                          else:
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Error: Something is wrong with the address %1.").arg(toAddress))
                      elif fromAddress == '':
                          self.statusBar().showMessage(_translate(
                              "MainWindow", "Error: You must specify a From address. If you don\'t have one, go to the \'Your Identities\' tab."))
                      else:
                          toAddress = addBMIfNotPresent(toAddress)
                          if addressVersionNumber > 4 or addressVersionNumber <= 1:
                              QMessageBox.about(self, _translate("MainWindow", "Address version number"), _translate(
                                  "MainWindow", "Concerning the address %1, Bitmessage cannot understand address version numbers of %2. Perhaps upgrade Bitmessage to the latest version.").arg(toAddress).arg(str(addressVersionNumber)))
                              continue
                          if streamNumber > 1 or streamNumber == 0:
                              QMessageBox.about(self, _translate("MainWindow", "Stream number"), _translate(
                                  "MainWindow", "Concerning the address %1, Bitmessage cannot handle stream numbers of %2. Perhaps upgrade Bitmessage to the latest version.").arg(toAddress).arg(str(streamNumber)))
                              continue
                          self.statusBar().showMessage('')
                          if shared.statusIconColor == 'red':
                              self.statusBar().showMessage(_translate(
                                  "MainWindow", "Warning: You are currently not connected. Bitmessage will do the work necessary to send the message but it won\'t send until you connect."))
                          ackdata = OpenSSL.rand(32)
                          t = ()
                          sqlExecute(
                              '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)''',
                              '',
                              toAddress,
                              ripe,
                              fromAddress,
                              subject,
                              message,
                              ackdata,
                              int(time.time()),
                              'msgqueued',
                              1,
                              1,
                              'sent',
                              2)
  
                          toLabel = ''
                          queryreturn = sqlQuery('''select label from addressbook where address=?''',
                                                 toAddress)
                          if queryreturn != []:
                              for row in queryreturn:
                                  toLabel, = row
  
                          self.displayNewSentMessage(
                              toAddress, toLabel, fromAddress, subject, message, ackdata)
                          shared.workerQueue.put(('sendmessage', toAddress))
  
                          self.ui.comboBoxSendFrom.setCurrentIndex(0)
                          self.ui.labelFrom.setText('')
                          self.ui.lineEditTo.setText('')
                          self.ui.lineEditSubject.setText('')
                          self.ui.textEditMessage.setText('')
                          self.ui.tabWidget.setCurrentIndex(2)
                          self.ui.tableWidgetSent.setCurrentCell(0, 0)
                  else:
                      self.statusBar().showMessage(_translate(
                          "MainWindow", "Your \'To\' field is empty."))
          else:  # User selected 'Broadcast'
              if fromAddress == '':
                  self.statusBar().showMessage(_translate(
                      "MainWindow", "Error: You must specify a From address. If you don\'t have one, go to the \'Your Identities\' tab."))
              else:
                  self.statusBar().showMessage('')
                  # We don't actually need the ackdata for acknowledgement since
                  # this is a broadcast message, but we can use it to update the
                  # user interface when the POW is done generating.
                  ackdata = OpenSSL.rand(32)
                  toAddress = self.str_broadcast_subscribers
                  ripe = ''
                  t = ('', toAddress, ripe, fromAddress, subject, message, ackdata, int(
                      time.time()), 'broadcastqueued', 1, 1, 'sent', 2)
                  sqlExecute(
                      '''INSERT INTO sent VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)''', *t)
  
                  toLabel = self.str_broadcast_subscribers
                  
                  self.displayNewSentMessage(
                      toAddress, toLabel, fromAddress, subject, message, ackdata)
  
                  shared.workerQueue.put(('sendbroadcast', ''))
  
                  self.ui.comboBoxSendFrom.setCurrentIndex(0)
                  self.ui.labelFrom.setText('')
                  self.ui.lineEditTo.setText('')
                  self.ui.lineEditSubject.setText('')
                  self.ui.textEditMessage.setText('')
                  self.ui.tabWidget.setCurrentIndex(2)
                  self.ui.tableWidgetSent.setCurrentCell(0, 0)
  
      def click_pushButtonLoadFromAddressBook(self):
          self.ui.tabWidget.setCurrentIndex(5)
          for i in range(4):
              time.sleep(0.1)
              self.statusBar().showMessage('')
              time.sleep(0.1)
              self.statusBar().showMessage(_translate(
                  "MainWindow", "Right click one or more entries in your address book and select \'Send message to this address\'."))
  
      def click_pushButtonFetchNamecoinID(self):
          nc = namecoinConnection()
          err, addr = nc.query(str(self.ui.lineEditTo.text()))
          if err is not None:
              self.statusBar().showMessage(_translate(
                  "MainWindow", "Error: " + err))
          else:
              self.ui.lineEditTo.setText(addr)
              self.statusBar().showMessage(_translate(
                  "MainWindow", "Fetched address from namecoin identity."))
  
      def redrawLabelFrom(self, index):
          self.ui.labelFrom.setText(
              self.ui.comboBoxSendFrom.itemData(index).toPyObject())
          self.setBroadcastEnablementDependingOnWhetherThisIsAChanAddress(self.ui.comboBoxSendFrom.itemData(index).toPyObject())
  
      def setBroadcastEnablementDependingOnWhetherThisIsAChanAddress(self, address):
          # If this is a chan then don't let people broadcast because no one
          # should subscribe to chan addresses.
          if shared.safeConfigGetBoolean(str(address), 'chan'):
              self.ui.radioButtonSpecific.click()
              self.ui.radioButtonBroadcast.setEnabled(False)
          else:
              self.ui.radioButtonBroadcast.setEnabled(True)
  
      def rerenderComboBoxSendFrom(self):
          self.ui.comboBoxSendFrom.clear()
          self.ui.labelFrom.setText('')
          configSections = shared.config.sections()
          for addressInKeysFile in configSections:
              if addressInKeysFile != 'bitmessagesettings':
                  isEnabled = shared.config.getboolean(
                      addressInKeysFile, 'enabled')  # I realize that this is poor programming practice but I don't care. It's easier for others to read.
                  if isEnabled:
                      self.ui.comboBoxSendFrom.insertItem(0, avatarize(addressInKeysFile), unicode(shared.config.get(
                          addressInKeysFile, 'label'), 'utf-8'), addressInKeysFile)
          self.ui.comboBoxSendFrom.insertItem(0, '', '')
          if(self.ui.comboBoxSendFrom.count() == 2):
              self.ui.comboBoxSendFrom.setCurrentIndex(1)
              self.redrawLabelFrom(self.ui.comboBoxSendFrom.currentIndex())
          else:
              self.ui.comboBoxSendFrom.setCurrentIndex(0)
  
      # This function is called by the processmsg function when that function
      # receives a message to an address that is acting as a
      # pseudo-mailing-list. The message will be broadcast out. This function
      # puts the message on the 'Sent' tab.
      def displayNewSentMessage(self, toAddress, toLabel, fromAddress, subject, message, ackdata):
          subject = shared.fixPotentiallyInvalidUTF8Data(subject)
          message = shared.fixPotentiallyInvalidUTF8Data(message)
          try:
              fromLabel = shared.config.get(fromAddress, 'label')
          except:
              fromLabel = ''
          if fromLabel == '':
              fromLabel = fromAddress
  
          self.ui.tableWidgetSent.setSortingEnabled(False)
          self.ui.tableWidgetSent.insertRow(0)
          if toLabel == '':
              newItem = QtGui.QTableWidgetItem(unicode(toAddress, 'utf-8'))
              newItem.setToolTip(unicode(toAddress, 'utf-8'))
          else:
              newItem = QtGui.QTableWidgetItem(unicode(toLabel, 'utf-8'))
              newItem.setToolTip(unicode(toLabel, 'utf-8'))
          newItem.setData(Qt.UserRole, str(toAddress))
          newItem.setIcon(avatarize(toAddress))
          self.ui.tableWidgetSent.setItem(0, 0, newItem)
          if fromLabel == '':
              newItem = QtGui.QTableWidgetItem(unicode(fromAddress, 'utf-8'))
              newItem.setToolTip(unicode(fromAddress, 'utf-8'))
          else:
              newItem = QtGui.QTableWidgetItem(unicode(fromLabel, 'utf-8'))
              newItem.setToolTip(unicode(fromLabel, 'utf-8'))
          newItem.setData(Qt.UserRole, str(fromAddress))
          newItem.setIcon(avatarize(fromAddress))
          self.ui.tableWidgetSent.setItem(0, 1, newItem)
          newItem = QtGui.QTableWidgetItem(unicode(subject, 'utf-8)'))
          newItem.setToolTip(unicode(subject, 'utf-8)'))
          #newItem.setData(Qt.UserRole, unicode(message, 'utf-8)')) # No longer hold the message in the table; we'll use a SQL query to display it as needed.
          self.ui.tableWidgetSent.setItem(0, 2, newItem)
          # newItem =  QtGui.QTableWidgetItem('Doing work necessary to send
          # broadcast...'+
          # l10n.formatTimestamp())
          newItem = myTableWidgetItem(_translate("MainWindow", "Work is queued. %1").arg(l10n.formatTimestamp()))
          newItem.setToolTip(_translate("MainWindow", "Work is queued. %1").arg(l10n.formatTimestamp()))
          newItem.setData(Qt.UserRole, QByteArray(ackdata))
          newItem.setData(33, int(time.time()))
          self.ui.tableWidgetSent.setItem(0, 3, newItem)
          self.ui.textEditSentMessage.setPlainText(unicode(message, 'utf-8)'))
          self.ui.tableWidgetSent.setSortingEnabled(True)
  
      def displayNewInboxMessage(self, inventoryHash, toAddress, fromAddress, subject, message):
          subject = shared.fixPotentiallyInvalidUTF8Data(subject)
          fromLabel = ''
          queryreturn = sqlQuery(
              '''select label from addressbook where address=?''', fromAddress)
          if queryreturn != []:
              for row in queryreturn:
                  fromLabel, = row
          else:
              # There might be a label in the subscriptions table
              queryreturn = sqlQuery(
                  '''select label from subscriptions where address=?''', fromAddress)
              if queryreturn != []:
                  for row in queryreturn:
                      fromLabel, = row
  
          try:
              if toAddress == self.str_broadcast_subscribers:
                  toLabel = self.str_broadcast_subscribers
              else:
                  toLabel = shared.config.get(toAddress, 'label')
          except:
              toLabel = ''
          if toLabel == '':
              toLabel = toAddress
  
          font = QFont()
          font.setBold(True)
          self.ui.tableWidgetInbox.setSortingEnabled(False)
          newItem = QtGui.QTableWidgetItem(unicode(toLabel, 'utf-8'))
          newItem.setToolTip(unicode(toLabel, 'utf-8'))
          newItem.setFont(font)
          newItem.setData(Qt.UserRole, str(toAddress))
          if shared.safeConfigGetBoolean(str(toAddress), 'mailinglist'):
              newItem.setTextColor(QtGui.QColor(137, 04, 177)) # magenta
          if shared.safeConfigGetBoolean(str(toAddress), 'chan'):
              newItem.setTextColor(QtGui.QColor(216, 119, 0)) # orange
          self.ui.tableWidgetInbox.insertRow(0)
          newItem.setIcon(avatarize(toAddress))
          self.ui.tableWidgetInbox.setItem(0, 0, newItem)
  
          if fromLabel == '':
              newItem = QtGui.QTableWidgetItem(unicode(fromAddress, 'utf-8'))
              newItem.setToolTip(unicode(fromAddress, 'utf-8'))
              if shared.config.getboolean('bitmessagesettings', 'showtraynotifications'):
                  self.notifierShow(unicode(_translate("MainWindow",'New Message').toUtf8(),'utf-8'), unicode(_translate("MainWindow",'From ').toUtf8(),'utf-8') + unicode(fromAddress, 'utf-8'), self.SOUND_UNKNOWN, None)
          else:
              newItem = QtGui.QTableWidgetItem(unicode(fromLabel, 'utf-8'))
              newItem.setToolTip(unicode(unicode(fromLabel, 'utf-8')))
              if shared.config.getboolean('bitmessagesettings', 'showtraynotifications'):
                  self.notifierShow(unicode(_translate("MainWindow",'New Message').toUtf8(),'utf-8'), unicode(_translate("MainWindow",'From ').toUtf8(),'utf-8') + unicode(fromLabel, 'utf-8'), self.SOUND_KNOWN, unicode(fromLabel, 'utf-8'))
          newItem.setData(Qt.UserRole, str(fromAddress))
          newItem.setFont(font)
          newItem.setIcon(avatarize(fromAddress))
          self.ui.tableWidgetInbox.setItem(0, 1, newItem)
          newItem = QtGui.QTableWidgetItem(unicode(subject, 'utf-8)'))
          newItem.setToolTip(unicode(subject, 'utf-8)'))
          #newItem.setData(Qt.UserRole, unicode(message, 'utf-8)')) # No longer hold the message in the table; we'll use a SQL query to display it as needed.
          newItem.setFont(font)
          self.ui.tableWidgetInbox.setItem(0, 2, newItem)
          newItem = myTableWidgetItem(l10n.formatTimestamp())
          newItem.setToolTip(l10n.formatTimestamp())
          newItem.setData(Qt.UserRole, QByteArray(inventoryHash))
          newItem.setData(33, int(time.time()))
          newItem.setFont(font)
          self.ui.tableWidgetInbox.setItem(0, 3, newItem)
          self.ui.tableWidgetInbox.setSortingEnabled(True)
          self.ubuntuMessagingMenuUpdate(True, newItem, toLabel)
  
      def click_pushButtonAddAddressBook(self):
          self.AddAddressDialogInstance = AddAddressDialog(self)
          if self.AddAddressDialogInstance.exec_():
              if self.AddAddressDialogInstance.ui.labelAddressCheck.text() == _translate("MainWindow", "Address is valid."):
                  # First we must check to see if the address is already in the
                  # address book. The user cannot add it again or else it will
                  # cause problems when updating and deleting the entry.
                  address = addBMIfNotPresent(str(
                      self.AddAddressDialogInstance.ui.lineEditAddress.text()))
                  label = self.AddAddressDialogInstance.ui.newAddressLabel.text().toUtf8()
                  self.addEntryToAddressBook(address,label)
              else:
                  self.statusBar().showMessage(_translate(
                      "MainWindow", "The address you entered was invalid. Ignoring it."))
  
      def addEntryToAddressBook(self,address,label):
          queryreturn = sqlQuery('''select * from addressbook where address=?''', address)
          if queryreturn == []:
              self.ui.tableWidgetAddressBook.setSortingEnabled(False)
              self.ui.tableWidgetAddressBook.insertRow(0)
              newItem = QtGui.QTableWidgetItem(unicode(label, 'utf-8'))
              newItem.setIcon(avatarize(address))
              self.ui.tableWidgetAddressBook.setItem(0, 0, newItem)
              newItem = QtGui.QTableWidgetItem(address)
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetAddressBook.setItem(0, 1, newItem)
              self.ui.tableWidgetAddressBook.setSortingEnabled(True)
              sqlExecute('''INSERT INTO addressbook VALUES (?,?)''', str(label), address)
              self.rerenderInboxFromLabels()
              self.rerenderSentToLabels()
          else:
              self.statusBar().showMessage(_translate(
                          "MainWindow", "Error: You cannot add the same address to your address book twice. Try renaming the existing one if you want."))
  
      def addSubscription(self, address, label):
          address = addBMIfNotPresent(address)
          #This should be handled outside of this function, for error displaying and such, but it must also be checked here.
          if shared.isAddressInMySubscriptionsList(address):
              return
          #Add to UI list
          self.ui.tableWidgetSubscriptions.setSortingEnabled(False)
          self.ui.tableWidgetSubscriptions.insertRow(0)
          newItem =  QtGui.QTableWidgetItem(unicode(label, 'utf-8'))
          newItem.setIcon(avatarize(address))
          self.ui.tableWidgetSubscriptions.setItem(0,0,newItem)
          newItem =  QtGui.QTableWidgetItem(address)
          newItem.setFlags( QtCore.Qt.ItemIsSelectable |  QtCore.Qt.ItemIsEnabled )
          self.ui.tableWidgetSubscriptions.setItem(0,1,newItem)
          self.ui.tableWidgetSubscriptions.setSortingEnabled(True)
          #Add to database (perhaps this should be separated from the MyForm class)
          sqlExecute('''INSERT INTO subscriptions VALUES (?,?,?)''',str(label),address,True)
          self.rerenderInboxFromLabels()
          shared.reloadBroadcastSendersForWhichImWatching()
  
      def click_pushButtonAddSubscription(self):
          self.NewSubscriptionDialogInstance = NewSubscriptionDialog(self)
          if self.NewSubscriptionDialogInstance.exec_():
              if self.NewSubscriptionDialogInstance.ui.labelAddressCheck.text() != _translate("MainWindow", "Address is valid."):
                  self.statusBar().showMessage(_translate("MainWindow", "The address you entered was invalid. Ignoring it."))
                  return
              address = addBMIfNotPresent(str(self.NewSubscriptionDialogInstance.ui.lineEditSubscriptionAddress.text()))
              # We must check to see if the address is already in the subscriptions list. The user cannot add it again or else it will cause problems when updating and deleting the entry.
              if shared.isAddressInMySubscriptionsList(address):
                  self.statusBar().showMessage(_translate("MainWindow", "Error: You cannot add the same address to your subsciptions twice. Perhaps rename the existing one if you want."))
                  return
              label = self.NewSubscriptionDialogInstance.ui.newsubscriptionlabel.text().toUtf8()
              self.addSubscription(address, label)
              # Now, if the user wants to display old broadcasts, let's get them out of the inventory and put them 
              # in the objectProcessorQueue to be processed
              if self.NewSubscriptionDialogInstance.ui.checkBoxDisplayMessagesAlreadyInInventory.isChecked():
                  status, addressVersion, streamNumber, ripe = decodeAddress(address)
                  shared.flushInventory()
                  doubleHashOfAddressData = hashlib.sha512(hashlib.sha512(encodeVarint(
                      addressVersion) + encodeVarint(streamNumber) + ripe).digest()).digest()
                  tag = doubleHashOfAddressData[32:]
                  queryreturn = sqlQuery(
                      '''select payload from inventory where objecttype=3 and tag=?''', tag)
                  for row in queryreturn:
                      payload, = row
                      objectType = 3
                      with shared.objectProcessorQueueSizeLock:
                          shared.objectProcessorQueueSize += len(payload)
                          shared.objectProcessorQueue.put((objectType,payload))
  
      def loadBlackWhiteList(self):
          # Initialize the Blacklist or Whitelist table
          listType = shared.config.get('bitmessagesettings', 'blackwhitelist')
          if listType == 'black':
              queryreturn = sqlQuery('''SELECT label, address, enabled FROM blacklist''')
          else:
              queryreturn = sqlQuery('''SELECT label, address, enabled FROM whitelist''')
          for row in queryreturn:
              label, address, enabled = row
              self.ui.tableWidgetBlacklist.insertRow(0)
              newItem = QtGui.QTableWidgetItem(unicode(label, 'utf-8'))
              if not enabled:
                  newItem.setTextColor(QtGui.QColor(128, 128, 128))
              newItem.setIcon(avatarize(address))
              self.ui.tableWidgetBlacklist.setItem(0, 0, newItem)
              newItem = QtGui.QTableWidgetItem(address)
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              if not enabled:
                  newItem.setTextColor(QtGui.QColor(128, 128, 128))
              self.ui.tableWidgetBlacklist.setItem(0, 1, newItem)
  
      def click_pushButtonStatusIcon(self):
          print 'click_pushButtonStatusIcon'
          self.iconGlossaryInstance = iconGlossaryDialog(self)
          if self.iconGlossaryInstance.exec_():
              pass
  
      def click_actionHelp(self):
          self.helpDialogInstance = helpDialog(self)
          self.helpDialogInstance.exec_()
  
      def click_actionAbout(self):
          self.aboutDialogInstance = aboutDialog(self)
          self.aboutDialogInstance.exec_()
  
      def click_actionSettings(self):
          self.settingsDialogInstance = settingsDialog(self)
          if self.settingsDialogInstance.exec_():
              shared.config.set('bitmessagesettings', 'startonlogon', str(
                  self.settingsDialogInstance.ui.checkBoxStartOnLogon.isChecked()))
              shared.config.set('bitmessagesettings', 'minimizetotray', str(
                  self.settingsDialogInstance.ui.checkBoxMinimizeToTray.isChecked()))
              shared.config.set('bitmessagesettings', 'showtraynotifications', str(
                  self.settingsDialogInstance.ui.checkBoxShowTrayNotifications.isChecked()))
              shared.config.set('bitmessagesettings', 'startintray', str(
                  self.settingsDialogInstance.ui.checkBoxStartInTray.isChecked()))
              shared.config.set('bitmessagesettings', 'willinglysendtomobile', str(
                  self.settingsDialogInstance.ui.checkBoxWillinglySendToMobile.isChecked()))
              shared.config.set('bitmessagesettings', 'useidenticons', str(
                  self.settingsDialogInstance.ui.checkBoxUseIdenticons.isChecked()))
              shared.config.set('bitmessagesettings', 'replybelow', str(
                  self.settingsDialogInstance.ui.checkBoxReplyBelow.isChecked()))
                  
              lang_ind = int(self.settingsDialogInstance.ui.languageComboBox.currentIndex())
              if not languages[lang_ind] == 'other':
                  shared.config.set('bitmessagesettings', 'userlocale', languages[lang_ind])
              
              if int(shared.config.get('bitmessagesettings', 'port')) != int(self.settingsDialogInstance.ui.lineEditTCPPort.text()):
                  if not shared.safeConfigGetBoolean('bitmessagesettings', 'dontconnect'):
                      QMessageBox.about(self, _translate("MainWindow", "Restart"), _translate(
                          "MainWindow", "You must restart Bitmessage for the port number change to take effect."))
                  shared.config.set('bitmessagesettings', 'port', str(
                      self.settingsDialogInstance.ui.lineEditTCPPort.text()))
              #print 'self.settingsDialogInstance.ui.comboBoxProxyType.currentText()', self.settingsDialogInstance.ui.comboBoxProxyType.currentText()
              #print 'self.settingsDialogInstance.ui.comboBoxProxyType.currentText())[0:5]', self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5]
              if shared.config.get('bitmessagesettings', 'socksproxytype') == 'none' and self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5] == 'SOCKS':
                  if shared.statusIconColor != 'red':
                      QMessageBox.about(self, _translate("MainWindow", "Restart"), _translate(
                          "MainWindow", "Bitmessage will use your proxy from now on but you may want to manually restart Bitmessage now to close existing connections (if any)."))
              if shared.config.get('bitmessagesettings', 'socksproxytype')[0:5] == 'SOCKS' and self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5] != 'SOCKS':
                  self.statusBar().showMessage('')
              if self.settingsDialogInstance.ui.comboBoxProxyType.currentText()[0:5] == 'SOCKS':
                  shared.config.set('bitmessagesettings', 'socksproxytype', str(
                      self.settingsDialogInstance.ui.comboBoxProxyType.currentText()))
              else:
                  shared.config.set('bitmessagesettings', 'socksproxytype', 'none')
              shared.config.set('bitmessagesettings', 'socksauthentication', str(
                  self.settingsDialogInstance.ui.checkBoxAuthentication.isChecked()))
              shared.config.set('bitmessagesettings', 'sockshostname', str(
                  self.settingsDialogInstance.ui.lineEditSocksHostname.text()))
              shared.config.set('bitmessagesettings', 'socksport', str(
                  self.settingsDialogInstance.ui.lineEditSocksPort.text()))
              shared.config.set('bitmessagesettings', 'socksusername', str(
                  self.settingsDialogInstance.ui.lineEditSocksUsername.text()))
              shared.config.set('bitmessagesettings', 'sockspassword', str(
                  self.settingsDialogInstance.ui.lineEditSocksPassword.text()))
              shared.config.set('bitmessagesettings', 'sockslisten', str(
                  self.settingsDialogInstance.ui.checkBoxSocksListen.isChecked()))
              try:
                  # Rounding to integers just for aesthetics
                  shared.config.set('bitmessagesettings', 'maxdownloadrate', str(
                      int(float(self.settingsDialogInstance.ui.lineEditMaxDownloadRate.text()))))
                  shared.config.set('bitmessagesettings', 'maxuploadrate', str(
                      int(float(self.settingsDialogInstance.ui.lineEditMaxUploadRate.text()))))
              except:
                  QMessageBox.about(self, _translate("MainWindow", "Number needed"), _translate(
                      "MainWindow", "Your maximum download and upload rate must be numbers. Ignoring what you typed."))
  
              shared.config.set('bitmessagesettings', 'namecoinrpctype',
                  self.settingsDialogInstance.getNamecoinType())
              shared.config.set('bitmessagesettings', 'namecoinrpchost', str(
                  self.settingsDialogInstance.ui.lineEditNamecoinHost.text()))
              shared.config.set('bitmessagesettings', 'namecoinrpcport', str(
                  self.settingsDialogInstance.ui.lineEditNamecoinPort.text()))
              shared.config.set('bitmessagesettings', 'namecoinrpcuser', str(
                  self.settingsDialogInstance.ui.lineEditNamecoinUser.text()))
              shared.config.set('bitmessagesettings', 'namecoinrpcpassword', str(
                  self.settingsDialogInstance.ui.lineEditNamecoinPassword.text()))
              
              # Demanded difficulty tab
              if float(self.settingsDialogInstance.ui.lineEditTotalDifficulty.text()) >= 1:
                  shared.config.set('bitmessagesettings', 'defaultnoncetrialsperbyte', str(int(float(
                      self.settingsDialogInstance.ui.lineEditTotalDifficulty.text()) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)))
              if float(self.settingsDialogInstance.ui.lineEditSmallMessageDifficulty.text()) >= 1:
                  shared.config.set('bitmessagesettings', 'defaultpayloadlengthextrabytes', str(int(float(
                      self.settingsDialogInstance.ui.lineEditSmallMessageDifficulty.text()) * shared.networkDefaultPayloadLengthExtraBytes)))
  
              acceptableDifficultyChanged = False
              
              if float(self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) >= 1 or float(self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) == 0:
                  if shared.config.get('bitmessagesettings','maxacceptablenoncetrialsperbyte') != str(int(float(
                      self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)):
                      # the user changed the max acceptable total difficulty
                      acceptableDifficultyChanged = True
                      shared.config.set('bitmessagesettings', 'maxacceptablenoncetrialsperbyte', str(int(float(
                          self.settingsDialogInstance.ui.lineEditMaxAcceptableTotalDifficulty.text()) * shared.networkDefaultProofOfWorkNonceTrialsPerByte)))
              if float(self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) >= 1 or float(self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) == 0:
                  if shared.config.get('bitmessagesettings','maxacceptablepayloadlengthextrabytes') != str(int(float(
                      self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) * shared.networkDefaultPayloadLengthExtraBytes)):
                      # the user changed the max acceptable small message difficulty
                      acceptableDifficultyChanged = True
                      shared.config.set('bitmessagesettings', 'maxacceptablepayloadlengthextrabytes', str(int(float(
                          self.settingsDialogInstance.ui.lineEditMaxAcceptableSmallMessageDifficulty.text()) * shared.networkDefaultPayloadLengthExtraBytes)))
              if acceptableDifficultyChanged:
                  # It might now be possible to send msgs which were previously marked as toodifficult. 
                  # Let us change them to 'msgqueued'. The singleWorker will try to send them and will again
                  # mark them as toodifficult if the receiver's required difficulty is still higher than
                  # we are willing to do.
                  sqlExecute('''UPDATE sent SET status='msgqueued' WHERE status='toodifficult' ''')
                  shared.workerQueue.put(('sendmessage', ''))
              
              #start:UI setting to stop trying to send messages after X days/months
              # I'm open to changing this UI to something else if someone has a better idea.
              if ((self.settingsDialogInstance.ui.lineEditDays.text()=='') and (self.settingsDialogInstance.ui.lineEditMonths.text()=='')):#We need to handle this special case. Bitmessage has its default behavior. The input is blank/blank
                  shared.config.set('bitmessagesettings', 'stopresendingafterxdays', '')
                  shared.config.set('bitmessagesettings', 'stopresendingafterxmonths', '')
                  shared.maximumLengthOfTimeToBotherResendingMessages = float('inf')
              try:
                  float(self.settingsDialogInstance.ui.lineEditDays.text())
                  lineEditDaysIsValidFloat = True
              except:
                  lineEditDaysIsValidFloat = False
              try:
                  float(self.settingsDialogInstance.ui.lineEditMonths.text())
                  lineEditMonthsIsValidFloat = True
              except:
                  lineEditMonthsIsValidFloat = False
              if lineEditDaysIsValidFloat and not lineEditMonthsIsValidFloat:
                  self.settingsDialogInstance.ui.lineEditMonths.setText("0")
              if lineEditMonthsIsValidFloat and not lineEditDaysIsValidFloat:
                  self.settingsDialogInstance.ui.lineEditDays.setText("0")
              if lineEditDaysIsValidFloat or lineEditMonthsIsValidFloat:
                  if (float(self.settingsDialogInstance.ui.lineEditDays.text()) >=0 and float(self.settingsDialogInstance.ui.lineEditMonths.text()) >=0):
                      shared.maximumLengthOfTimeToBotherResendingMessages = (float(str(self.settingsDialogInstance.ui.lineEditDays.text())) * 24 * 60 * 60) + (float(str(self.settingsDialogInstance.ui.lineEditMonths.text())) * (60 * 60 * 24 *365)/12)
                      if shared.maximumLengthOfTimeToBotherResendingMessages < 432000: # If the time period is less than 5 hours, we give zero values to all fields. No message will be sent again.
                          QMessageBox.about(self, _translate("MainWindow", "Will not resend ever"), _translate(
                              "MainWindow", "Note that the time limit you entered is less than the amount of time Bitmessage waits for the first resend attempt therefore your messages will never be resent."))
                          shared.config.set('bitmessagesettings', 'stopresendingafterxdays', '0')
                          shared.config.set('bitmessagesettings', 'stopresendingafterxmonths', '0')
                          shared.maximumLengthOfTimeToBotherResendingMessages = 0
                      else:
                          shared.config.set('bitmessagesettings', 'stopresendingafterxdays', str(float(
                          self.settingsDialogInstance.ui.lineEditDays.text())))
                          shared.config.set('bitmessagesettings', 'stopresendingafterxmonths', str(float(
                          self.settingsDialogInstance.ui.lineEditMonths.text())))
              #end
  
              # if str(self.settingsDialogInstance.ui.comboBoxMaxCores.currentText()) == 'All':
              #    shared.config.set('bitmessagesettings', 'maxcores', '99999')
              # else:
              # shared.config.set('bitmessagesettings', 'maxcores',
              # str(self.settingsDialogInstance.ui.comboBoxMaxCores.currentText()))
  
              with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                  shared.config.write(configfile)
  
              if 'win32' in sys.platform or 'win64' in sys.platform:
              # Auto-startup for Windows
                  RUN_PATH = "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run"
                  self.settings = QSettings(RUN_PATH, QSettings.NativeFormat)
                  if shared.config.getboolean('bitmessagesettings', 'startonlogon'):
                      self.settings.setValue("PyBitmessage", sys.argv[0])
                  else:
                      self.settings.remove("PyBitmessage")
              elif 'darwin' in sys.platform:
                  # startup for mac
                  pass
              elif 'linux' in sys.platform:
                  # startup for linux
                  pass
  
              if shared.appdata != '' and self.settingsDialogInstance.ui.checkBoxPortableMode.isChecked():  # If we are NOT using portable mode now but the user selected that we should...
                  # Write the keys.dat file to disk in the new location
                  sqlStoredProcedure('movemessagstoprog')
                  with open('keys.dat', 'wb') as configfile:
                      shared.config.write(configfile)
                  # Write the knownnodes.dat file to disk in the new location
                  shared.knownNodesLock.acquire()
                  output = open('knownnodes.dat', 'wb')
                  pickle.dump(shared.knownNodes, output)
                  output.close()
                  shared.knownNodesLock.release()
                  os.remove(shared.appdata + 'keys.dat')
                  os.remove(shared.appdata + 'knownnodes.dat')
                  previousAppdataLocation = shared.appdata
                  shared.appdata = ''
                  debug.restartLoggingInUpdatedAppdataLocation()
                  try:
                      os.remove(previousAppdataLocation + 'debug.log')
                      os.remove(previousAppdataLocation + 'debug.log.1')
                  except:
                      pass
  
              if shared.appdata == '' and not self.settingsDialogInstance.ui.checkBoxPortableMode.isChecked():  # If we ARE using portable mode now but the user selected that we shouldn't...
                  shared.appdata = shared.lookupAppdataFolder()
                  if not os.path.exists(shared.appdata):
                      os.makedirs(shared.appdata)
                  sqlStoredProcedure('movemessagstoappdata')
                  # Write the keys.dat file to disk in the new location
                  with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                      shared.config.write(configfile)
                  # Write the knownnodes.dat file to disk in the new location
                  shared.knownNodesLock.acquire()
                  output = open(shared.appdata + 'knownnodes.dat', 'wb')
                  pickle.dump(shared.knownNodes, output)
                  output.close()
                  shared.knownNodesLock.release()
                  os.remove('keys.dat')
                  os.remove('knownnodes.dat')
                  debug.restartLoggingInUpdatedAppdataLocation()
                  try:
                      os.remove('debug.log')
                      os.remove('debug.log.1')
                  except:
                      pass
  
      def click_radioButtonBlacklist(self):
          if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'white':
              shared.config.set('bitmessagesettings', 'blackwhitelist', 'black')
              with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                  shared.config.write(configfile)
              # self.ui.tableWidgetBlacklist.clearContents()
              self.ui.tableWidgetBlacklist.setRowCount(0)
              self.loadBlackWhiteList()
              self.ui.tabWidget.setTabText(6, 'Blacklist')
  
      def click_radioButtonWhitelist(self):
          if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'black':
              shared.config.set('bitmessagesettings', 'blackwhitelist', 'white')
              with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                  shared.config.write(configfile)
              # self.ui.tableWidgetBlacklist.clearContents()
              self.ui.tableWidgetBlacklist.setRowCount(0)
              self.loadBlackWhiteList()
              self.ui.tabWidget.setTabText(6, 'Whitelist')
  
      def click_pushButtonAddBlacklist(self):
          self.NewBlacklistDialogInstance = AddAddressDialog(self)
          if self.NewBlacklistDialogInstance.exec_():
              if self.NewBlacklistDialogInstance.ui.labelAddressCheck.text() == _translate("MainWindow", "Address is valid."):
                  address = addBMIfNotPresent(str(
                      self.NewBlacklistDialogInstance.ui.lineEditAddress.text()))
                  # First we must check to see if the address is already in the
                  # address book. The user cannot add it again or else it will
                  # cause problems when updating and deleting the entry.
                  t = (address,)
                  if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'black':
                      sql = '''select * from blacklist where address=?'''
                  else:
                      sql = '''select * from whitelist where address=?'''
                  queryreturn = sqlQuery(sql,*t)
                  if queryreturn == []:
                      self.ui.tableWidgetBlacklist.setSortingEnabled(False)
                      self.ui.tableWidgetBlacklist.insertRow(0)
                      newItem = QtGui.QTableWidgetItem(unicode(
                          self.NewBlacklistDialogInstance.ui.newAddressLabel.text().toUtf8(), 'utf-8'))
                      newItem.setIcon(avatarize(address))
                      self.ui.tableWidgetBlacklist.setItem(0, 0, newItem)
                      newItem = QtGui.QTableWidgetItem(address)
                      newItem.setFlags(
                          QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
                      self.ui.tableWidgetBlacklist.setItem(0, 1, newItem)
                      self.ui.tableWidgetBlacklist.setSortingEnabled(True)
                      t = (str(self.NewBlacklistDialogInstance.ui.newAddressLabel.text().toUtf8()), address, True)
                      if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'black':
                          sql = '''INSERT INTO blacklist VALUES (?,?,?)'''
                      else:
                          sql = '''INSERT INTO whitelist VALUES (?,?,?)'''
                      sqlExecute(sql, *t)
                  else:
                      self.statusBar().showMessage(_translate(
                          "MainWindow", "Error: You cannot add the same address to your list twice. Perhaps rename the existing one if you want."))
              else:
                  self.statusBar().showMessage(_translate(
                      "MainWindow", "The address you entered was invalid. Ignoring it."))
  
      def on_action_SpecialAddressBehaviorDialog(self):
          self.dialog = SpecialAddressBehaviorDialog(self)
          # For Modal dialogs
          if self.dialog.exec_():
              currentRow = self.ui.tableWidgetYourIdentities.currentRow()
              addressAtCurrentRow = str(
                  self.ui.tableWidgetYourIdentities.item(currentRow, 1).text())
              if shared.safeConfigGetBoolean(addressAtCurrentRow, 'chan'):
                  return
              if self.dialog.ui.radioButtonBehaveNormalAddress.isChecked():
                  shared.config.set(str(
                      addressAtCurrentRow), 'mailinglist', 'false')
                  # Set the color to either black or grey
                  if shared.config.getboolean(addressAtCurrentRow, 'enabled'):
                      self.ui.tableWidgetYourIdentities.item(
                          currentRow, 1).setTextColor(QApplication.palette()
                          .text().color())
                  else:
                      self.ui.tableWidgetYourIdentities.item(
                          currentRow, 1).setTextColor(QtGui.QColor(128, 128, 128))
              else:
                  shared.config.set(str(
                      addressAtCurrentRow), 'mailinglist', 'true')
                  shared.config.set(str(addressAtCurrentRow), 'mailinglistname', str(
                      self.dialog.ui.lineEditMailingListName.text().toUtf8()))
                  self.ui.tableWidgetYourIdentities.item(currentRow, 1).setTextColor(QtGui.QColor(137, 04, 177)) # magenta
              with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                  shared.config.write(configfile)
              self.rerenderInboxToLabels()
  
      def click_NewAddressDialog(self):
          self.dialog = NewAddressDialog(self)
          # For Modal dialogs
          if self.dialog.exec_():
              # self.dialog.ui.buttonBox.enabled = False
              if self.dialog.ui.radioButtonRandomAddress.isChecked():
                  if self.dialog.ui.radioButtonMostAvailable.isChecked():
                      streamNumberForAddress = 1
                  else:
                      # User selected 'Use the same stream as an existing
                      # address.'
                      streamNumberForAddress = decodeAddress(
                          self.dialog.ui.comboBoxExisting.currentText())[2]
                  shared.addressGeneratorQueue.put(('createRandomAddress', 4, streamNumberForAddress, str(
                      self.dialog.ui.newaddresslabel.text().toUtf8()), 1, "", self.dialog.ui.checkBoxEighteenByteRipe.isChecked()))
              else:
                  if self.dialog.ui.lineEditPassphrase.text() != self.dialog.ui.lineEditPassphraseAgain.text():
                      QMessageBox.about(self, _translate("MainWindow", "Passphrase mismatch"), _translate(
                          "MainWindow", "The passphrase you entered twice doesn\'t match. Try again."))
                  elif self.dialog.ui.lineEditPassphrase.text() == "":
                      QMessageBox.about(self, _translate(
                          "MainWindow", "Choose a passphrase"), _translate("MainWindow", "You really do need a passphrase."))
                  else:
                      streamNumberForAddress = 1  # this will eventually have to be replaced by logic to determine the most available stream number.
                      shared.addressGeneratorQueue.put(('createDeterministicAddresses', 4, streamNumberForAddress, "unused deterministic address", self.dialog.ui.spinBoxNumberOfAddressesToMake.value(
                      ), self.dialog.ui.lineEditPassphrase.text().toUtf8(), self.dialog.ui.checkBoxEighteenByteRipe.isChecked()))
          else:
              print 'new address dialog box rejected'
  
      # Quit selected from menu or application indicator
      def quit(self):
          '''quit_msg = "Are you sure you want to exit Bitmessage?"
          reply = QtGui.QMessageBox.question(self, 'Message',
                           quit_msg, QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
  
          if reply is QtGui.QMessageBox.No:
              return
          '''
          shared.doCleanShutdown()
          self.tray.hide()
          # unregister the messaging system
          if self.mmapp is not None:
              self.mmapp.unregister()
          self.statusBar().showMessage(_translate(
              "MainWindow", "All done. Closing user interface..."))
          os._exit(0)
  
      # window close event
      def closeEvent(self, event):
          self.appIndicatorHide()
          minimizeonclose = False
  
          try:
              minimizeonclose = shared.config.getboolean(
                  'bitmessagesettings', 'minimizeonclose')
          except Exception:
              pass
  
          if minimizeonclose:
              # minimize the application
              event.ignore()
          else:
              # quit the application
              event.accept()
              self.quit()
  
      def on_action_InboxMessageForceHtml(self):
          currentInboxRow = self.ui.tableWidgetInbox.currentRow()
  
          msgid = str(self.ui.tableWidgetInbox.item(
              currentInboxRow, 3).data(Qt.UserRole).toPyObject())
          queryreturn = sqlQuery(
              '''select message from inbox where msgid=?''', msgid)
          if queryreturn != []:
              for row in queryreturn:
                  messageText, = row
  
          lines = messageText.split('\n')
          totalLines = len(lines)
          for i in xrange(totalLines):
              if 'Message ostensibly from ' in lines[i]:
                  lines[i] = '<p style="font-size: 12px; color: grey;">%s</span></p>' % (
                      lines[i])
              elif lines[i] == '------------------------------------------------------':
                  lines[i] = '<hr>'
              elif lines[i] == '' and (i+1) < totalLines and \
                   lines[i+1] != '------------------------------------------------------':
                  lines[i] = '<br><br>'
          content = ' '.join(lines) # To keep the whitespace between lines
          content = shared.fixPotentiallyInvalidUTF8Data(content)
          content = unicode(content, 'utf-8)')
          self.ui.textEditInboxMessage.setHtml(QtCore.QString(content))
  
      def on_action_InboxMarkUnread(self):
          font = QFont()
          font.setBold(True)
          for row in self.ui.tableWidgetInbox.selectedIndexes():
              currentRow = row.row()
              inventoryHashToMarkUnread = str(self.ui.tableWidgetInbox.item(
                  currentRow, 3).data(Qt.UserRole).toPyObject())
              sqlExecute('''UPDATE inbox SET read=0 WHERE msgid=?''', inventoryHashToMarkUnread)
              self.ui.tableWidgetInbox.item(currentRow, 0).setFont(font)
              self.ui.tableWidgetInbox.item(currentRow, 1).setFont(font)
              self.ui.tableWidgetInbox.item(currentRow, 2).setFont(font)
              self.ui.tableWidgetInbox.item(currentRow, 3).setFont(font)
          self.changedInboxUnread()
          # self.ui.tableWidgetInbox.selectRow(currentRow + 1) 
          # This doesn't de-select the last message if you try to mark it unread, but that doesn't interfere. Might not be necessary.
          # We could also select upwards, but then our problem would be with the topmost message.
          # self.ui.tableWidgetInbox.clearSelection() manages to mark the message as read again.
  
      # Format predefined text on message reply.
      def quoted_text(self, message):
          if not shared.safeConfigGetBoolean('bitmessagesettings', 'replybelow'):
            return '\n\n------------------------------------------------------\n' + message
  
          quoteWrapper = textwrap.TextWrapper(replace_whitespace = False,
                                              initial_indent = '> ',
                                              subsequent_indent = '> ',
                                              break_long_words = False,
                                              break_on_hyphens = False)
          def quote_line(line):
              # Do quote empty lines.
              if line == '' or line.isspace():
                  return '> '
              # Quote already quoted lines, but do not wrap them.
              elif line[0:2] == '> ':
                  return '> ' + line
              # Wrap and quote lines/paragraphs new to this message.
              else:
                  return quoteWrapper.fill(line)
          return '\n'.join([quote_line(l) for l in message.splitlines()]) + '\n\n'
  
      def on_action_InboxReply(self):
          currentInboxRow = self.ui.tableWidgetInbox.currentRow()
          toAddressAtCurrentInboxRow = str(self.ui.tableWidgetInbox.item(
              currentInboxRow, 0).data(Qt.UserRole).toPyObject())
          fromAddressAtCurrentInboxRow = str(self.ui.tableWidgetInbox.item(
              currentInboxRow, 1).data(Qt.UserRole).toPyObject())
          msgid = str(self.ui.tableWidgetInbox.item(
              currentInboxRow, 3).data(Qt.UserRole).toPyObject())
          queryreturn = sqlQuery(
              '''select message from inbox where msgid=?''', msgid)
          if queryreturn != []:
              for row in queryreturn:
                  messageAtCurrentInboxRow, = row
          if toAddressAtCurrentInboxRow == self.str_broadcast_subscribers:
              self.ui.labelFrom.setText('')
          elif not shared.config.has_section(toAddressAtCurrentInboxRow):
              QtGui.QMessageBox.information(self, _translate("MainWindow", "Address is gone"), _translate(
                  "MainWindow", "Bitmessage cannot find your address %1. Perhaps you removed it?").arg(toAddressAtCurrentInboxRow), QMessageBox.Ok)
              self.ui.labelFrom.setText('')
          elif not shared.config.getboolean(toAddressAtCurrentInboxRow, 'enabled'):
              QtGui.QMessageBox.information(self, _translate("MainWindow", "Address disabled"), _translate(
                  "MainWindow", "Error: The address from which you are trying to send is disabled. You\'ll have to enable it on the \'Your Identities\' tab before using it."), QMessageBox.Ok)
              self.ui.labelFrom.setText('')
          else:
              self.ui.labelFrom.setText(toAddressAtCurrentInboxRow)
              self.setBroadcastEnablementDependingOnWhetherThisIsAChanAddress(toAddressAtCurrentInboxRow)
  
          self.ui.lineEditTo.setText(str(fromAddressAtCurrentInboxRow))
          
          # If the previous message was to a chan then we should send our reply to the chan rather than to the particular person who sent the message.
          if shared.config.has_section(toAddressAtCurrentInboxRow):
              if shared.safeConfigGetBoolean(toAddressAtCurrentInboxRow, 'chan'):
                  print 'original sent to a chan. Setting the to address in the reply to the chan address.'
                  self.ui.lineEditTo.setText(str(toAddressAtCurrentInboxRow))
          
          listOfAddressesInComboBoxSendFrom = [str(self.ui.comboBoxSendFrom.itemData(i).toPyObject()) for i in range(self.ui.comboBoxSendFrom.count())]
          if toAddressAtCurrentInboxRow in listOfAddressesInComboBoxSendFrom:
              currentIndex = listOfAddressesInComboBoxSendFrom.index(toAddressAtCurrentInboxRow)
              self.ui.comboBoxSendFrom.setCurrentIndex(currentIndex)
          else:
              self.ui.comboBoxSendFrom.setCurrentIndex(0)
          
          quotedText = self.quoted_text(unicode(messageAtCurrentInboxRow, 'utf-8'))
          self.ui.textEditMessage.setText(quotedText)
          if self.ui.tableWidgetInbox.item(currentInboxRow, 2).text()[0:3] in ['Re:', 'RE:']:
              self.ui.lineEditSubject.setText(
                  self.ui.tableWidgetInbox.item(currentInboxRow, 2).text())
          else:
              self.ui.lineEditSubject.setText(
                  'Re: ' + self.ui.tableWidgetInbox.item(currentInboxRow, 2).text())
          self.ui.radioButtonSpecific.setChecked(True)
          self.ui.tabWidget.setCurrentIndex(1)
  
      def on_action_InboxAddSenderToAddressBook(self):
          currentInboxRow = self.ui.tableWidgetInbox.currentRow()
          # self.ui.tableWidgetInbox.item(currentRow,1).data(Qt.UserRole).toPyObject()
          addressAtCurrentInboxRow = str(self.ui.tableWidgetInbox.item(
              currentInboxRow, 1).data(Qt.UserRole).toPyObject())
          # Let's make sure that it isn't already in the address book
          queryreturn = sqlQuery('''select * from addressbook where address=?''',
                                 addressAtCurrentInboxRow)
          if queryreturn == []:
              self.ui.tableWidgetAddressBook.insertRow(0)
              newItem = QtGui.QTableWidgetItem(
                  '--New entry. Change label in Address Book.--')
              self.ui.tableWidgetAddressBook.setItem(0, 0, newItem)
              newItem.setIcon(avatarize(addressAtCurrentInboxRow))
              newItem = QtGui.QTableWidgetItem(addressAtCurrentInboxRow)
              newItem.setFlags(
                  QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
              self.ui.tableWidgetAddressBook.setItem(0, 1, newItem)
              sqlExecute('''INSERT INTO addressbook VALUES (?,?)''',
                         '--New entry. Change label in Address Book.--',
                         addressAtCurrentInboxRow)
              self.ui.tabWidget.setCurrentIndex(5)
              self.ui.tableWidgetAddressBook.setCurrentCell(0, 0)
              self.statusBar().showMessage(_translate(
                  "MainWindow", "Entry added to the Address Book. Edit the label to your liking."))
          else:
              self.statusBar().showMessage(_translate(
                  "MainWindow", "Error: You cannot add the same address to your address book twice. Try renaming the existing one if you want."))
  
      # Send item on the Inbox tab to trash
      def on_action_InboxTrash(self):
          while self.ui.tableWidgetInbox.selectedIndexes() != []:
              currentRow = self.ui.tableWidgetInbox.selectedIndexes()[0].row()
              inventoryHashToTrash = str(self.ui.tableWidgetInbox.item(
                  currentRow, 3).data(Qt.UserRole).toPyObject())
              sqlExecute('''UPDATE inbox SET folder='trash' WHERE msgid=?''', inventoryHashToTrash)
              self.ui.textEditInboxMessage.setText("")
              self.ui.tableWidgetInbox.removeRow(currentRow)
              self.statusBar().showMessage(_translate(
                  "MainWindow", "Moved items to trash. There is no user interface to view your trash, but it is still on disk if you are desperate to get it back."))
          if currentRow == 0:
              self.ui.tableWidgetInbox.selectRow(currentRow)
          else:
              self.ui.tableWidgetInbox.selectRow(currentRow - 1)
  
      def on_action_InboxSaveMessageAs(self):
          currentInboxRow = self.ui.tableWidgetInbox.currentRow()
          try:
              subjectAtCurrentInboxRow = str(self.ui.tableWidgetInbox.item(currentInboxRow,2).text())
          except:
              subjectAtCurrentInboxRow = ''
  
          # Retrieve the message data out of the SQL database
          msgid = str(self.ui.tableWidgetInbox.item(
              currentInboxRow, 3).data(Qt.UserRole).toPyObject())
          queryreturn = sqlQuery(
              '''select message from inbox where msgid=?''', msgid)
          if queryreturn != []:
              for row in queryreturn:
                  message, = row
  
          defaultFilename = "".join(x for x in subjectAtCurrentInboxRow if x.isalnum()) + '.txt'
          filename = QFileDialog.getSaveFileName(self, _translate("MainWindow","Save As..."), defaultFilename, "Text files (*.txt);;All files (*.*)")
          if filename == '':
              return
          try:
              f = open(filename, 'w')
              f.write(message)
              f.close()
          except Exception, e:
              sys.stderr.write('Write error: '+ e)
              self.statusBar().showMessage(_translate("MainWindow", "Write error."))
  
      # Send item on the Sent tab to trash
      def on_action_SentTrash(self):
          while self.ui.tableWidgetSent.selectedIndexes() != []:
              currentRow = self.ui.tableWidgetSent.selectedIndexes()[0].row()
              ackdataToTrash = str(self.ui.tableWidgetSent.item(
                  currentRow, 3).data(Qt.UserRole).toPyObject())
              sqlExecute('''UPDATE sent SET folder='trash' WHERE ackdata=?''', ackdataToTrash)
              self.ui.textEditSentMessage.setPlainText("")
              self.ui.tableWidgetSent.removeRow(currentRow)
              self.statusBar().showMessage(_translate(
                  "MainWindow", "Moved items to trash. There is no user interface to view your trash, but it is still on disk if you are desperate to get it back."))
          if currentRow == 0:
              self.ui.tableWidgetSent.selectRow(currentRow)
          else:
              self.ui.tableWidgetSent.selectRow(currentRow - 1)
  
      def on_action_ForceSend(self):
          currentRow = self.ui.tableWidgetSent.currentRow()
          addressAtCurrentRow = str(self.ui.tableWidgetSent.item(
              currentRow, 0).data(Qt.UserRole).toPyObject())
          toRipe = decodeAddress(addressAtCurrentRow)[3]
          sqlExecute(
              '''UPDATE sent SET status='forcepow' WHERE toripe=? AND status='toodifficult' and folder='sent' ''',
              toRipe)
          queryreturn = sqlQuery('''select ackdata FROM sent WHERE status='forcepow' ''')
          for row in queryreturn:
              ackdata, = row
              shared.UISignalQueue.put(('updateSentItemStatusByAckdata', (
                  ackdata, 'Overriding maximum-difficulty setting. Work queued.')))
          shared.workerQueue.put(('sendmessage', ''))
  
      def on_action_SentClipboard(self):
          currentRow = self.ui.tableWidgetSent.currentRow()
          addressAtCurrentRow = str(self.ui.tableWidgetSent.item(
              currentRow, 0).data(Qt.UserRole).toPyObject())
          clipboard = QtGui.QApplication.clipboard()
          clipboard.setText(str(addressAtCurrentRow))
  
      # Group of functions for the Address Book dialog box
      def on_action_AddressBookNew(self):
          self.click_pushButtonAddAddressBook()
  
      def on_action_AddressBookDelete(self):
          while self.ui.tableWidgetAddressBook.selectedIndexes() != []:
              currentRow = self.ui.tableWidgetAddressBook.selectedIndexes()[
                  0].row()
              labelAtCurrentRow = self.ui.tableWidgetAddressBook.item(
                  currentRow, 0).text().toUtf8()
              addressAtCurrentRow = self.ui.tableWidgetAddressBook.item(
                  currentRow, 1).text()
              sqlExecute('''DELETE FROM addressbook WHERE label=? AND address=?''',
                         str(labelAtCurrentRow), str(addressAtCurrentRow))
              self.ui.tableWidgetAddressBook.removeRow(currentRow)
              self.rerenderInboxFromLabels()
              self.rerenderSentToLabels()
  
      def on_action_AddressBookClipboard(self):
          fullStringOfAddresses = ''
          listOfSelectedRows = {}
          for i in range(len(self.ui.tableWidgetAddressBook.selectedIndexes())):
              listOfSelectedRows[
                  self.ui.tableWidgetAddressBook.selectedIndexes()[i].row()] = 0
          for currentRow in listOfSelectedRows:
              addressAtCurrentRow = self.ui.tableWidgetAddressBook.item(
                  currentRow, 1).text()
              if fullStringOfAddresses == '':
                  fullStringOfAddresses = addressAtCurrentRow
              else:
                  fullStringOfAddresses += ', ' + str(addressAtCurrentRow)
          clipboard = QtGui.QApplication.clipboard()
          clipboard.setText(fullStringOfAddresses)
  
      def on_action_AddressBookSend(self):
          listOfSelectedRows = {}
          for i in range(len(self.ui.tableWidgetAddressBook.selectedIndexes())):
              listOfSelectedRows[
                  self.ui.tableWidgetAddressBook.selectedIndexes()[i].row()] = 0
          for currentRow in listOfSelectedRows:
              addressAtCurrentRow = self.ui.tableWidgetAddressBook.item(
                  currentRow, 1).text()
              if self.ui.lineEditTo.text() == '':
                  self.ui.lineEditTo.setText(str(addressAtCurrentRow))
              else:
                  self.ui.lineEditTo.setText(str(
                      self.ui.lineEditTo.text()) + '; ' + str(addressAtCurrentRow))
          if listOfSelectedRows == {}:
              self.statusBar().showMessage(_translate(
                  "MainWindow", "No addresses selected."))
          else:
              self.statusBar().showMessage('')
              self.ui.tabWidget.setCurrentIndex(1)
  
      def on_action_AddressBookSubscribe(self):
          listOfSelectedRows = {}
          for i in range(len(self.ui.tableWidgetAddressBook.selectedIndexes())):
              listOfSelectedRows[self.ui.tableWidgetAddressBook.selectedIndexes()[i].row()] = 0
          for currentRow in listOfSelectedRows:
              addressAtCurrentRow = str(self.ui.tableWidgetAddressBook.item(currentRow,1).text())
              # Then subscribe to it... provided it's not already in the address book
              if shared.isAddressInMySubscriptionsList(addressAtCurrentRow):
                  self.statusBar().showMessage(QtGui.QApplication.translate("MainWindow", "Error: You cannot add the same address to your subsciptions twice. Perhaps rename the existing one if you want."))
                  continue
              labelAtCurrentRow = self.ui.tableWidgetAddressBook.item(currentRow,0).text().toUtf8()
              self.addSubscription(addressAtCurrentRow, labelAtCurrentRow)
              self.ui.tabWidget.setCurrentIndex(4)
  
      def on_context_menuAddressBook(self, point):
          self.popMenuAddressBook.exec_(
              self.ui.tableWidgetAddressBook.mapToGlobal(point))
  
      # Group of functions for the Subscriptions dialog box
      def on_action_SubscriptionsNew(self):
          self.click_pushButtonAddSubscription()
          
      def on_action_SubscriptionsDelete(self):
          print 'clicked Delete'
          currentRow = self.ui.tableWidgetSubscriptions.currentRow()
          labelAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
              currentRow, 0).text().toUtf8()
          addressAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
              currentRow, 1).text()
          sqlExecute('''DELETE FROM subscriptions WHERE label=? AND address=?''',
                     str(labelAtCurrentRow), str(addressAtCurrentRow))
          self.ui.tableWidgetSubscriptions.removeRow(currentRow)
          self.rerenderInboxFromLabels()
          shared.reloadBroadcastSendersForWhichImWatching()
  
      def on_action_SubscriptionsClipboard(self):
          currentRow = self.ui.tableWidgetSubscriptions.currentRow()
          addressAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
              currentRow, 1).text()
          clipboard = QtGui.QApplication.clipboard()
          clipboard.setText(str(addressAtCurrentRow))
  
      def on_action_SubscriptionsEnable(self):
          currentRow = self.ui.tableWidgetSubscriptions.currentRow()
          labelAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
              currentRow, 0).text().toUtf8()
          addressAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
              currentRow, 1).text()
          sqlExecute(
              '''update subscriptions set enabled=1 WHERE label=? AND address=?''',
              str(labelAtCurrentRow), str(addressAtCurrentRow))
          self.ui.tableWidgetSubscriptions.item(
              currentRow, 0).setTextColor(QApplication.palette().text().color())
          self.ui.tableWidgetSubscriptions.item(
              currentRow, 1).setTextColor(QApplication.palette().text().color())
          shared.reloadBroadcastSendersForWhichImWatching()
  
      def on_action_SubscriptionsDisable(self):
          currentRow = self.ui.tableWidgetSubscriptions.currentRow()
          labelAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
              currentRow, 0).text().toUtf8()
          addressAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
              currentRow, 1).text()
          sqlExecute(
              '''update subscriptions set enabled=0 WHERE label=? AND address=?''',
              str(labelAtCurrentRow), str(addressAtCurrentRow))
          self.ui.tableWidgetSubscriptions.item(
              currentRow, 0).setTextColor(QtGui.QColor(128, 128, 128))
          self.ui.tableWidgetSubscriptions.item(
              currentRow, 1).setTextColor(QtGui.QColor(128, 128, 128))
          shared.reloadBroadcastSendersForWhichImWatching()
  
      def on_context_menuSubscriptions(self, point):
          self.popMenuSubscriptions.exec_(
              self.ui.tableWidgetSubscriptions.mapToGlobal(point))
  
      # Group of functions for the Blacklist dialog box
      def on_action_BlacklistNew(self):
          self.click_pushButtonAddBlacklist()
  
      def on_action_BlacklistDelete(self):
          currentRow = self.ui.tableWidgetBlacklist.currentRow()
          labelAtCurrentRow = self.ui.tableWidgetBlacklist.item(
              currentRow, 0).text().toUtf8()
          addressAtCurrentRow = self.ui.tableWidgetBlacklist.item(
              currentRow, 1).text()
          if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'black':
              sqlExecute(
                  '''DELETE FROM blacklist WHERE label=? AND address=?''',
                  str(labelAtCurrentRow), str(addressAtCurrentRow))
          else:
              sqlExecute(
                  '''DELETE FROM whitelist WHERE label=? AND address=?''',
                  str(labelAtCurrentRow), str(addressAtCurrentRow))
          self.ui.tableWidgetBlacklist.removeRow(currentRow)
  
      def on_action_BlacklistClipboard(self):
          currentRow = self.ui.tableWidgetBlacklist.currentRow()
          addressAtCurrentRow = self.ui.tableWidgetBlacklist.item(
              currentRow, 1).text()
          clipboard = QtGui.QApplication.clipboard()
          clipboard.setText(str(addressAtCurrentRow))
  
      def on_context_menuBlacklist(self, point):
          self.popMenuBlacklist.exec_(
              self.ui.tableWidgetBlacklist.mapToGlobal(point))
  
      def on_action_BlacklistEnable(self):
          currentRow = self.ui.tableWidgetBlacklist.currentRow()
          addressAtCurrentRow = self.ui.tableWidgetBlacklist.item(
              currentRow, 1).text()
          self.ui.tableWidgetBlacklist.item(
              currentRow, 0).setTextColor(QApplication.palette().text().color())
          self.ui.tableWidgetBlacklist.item(
              currentRow, 1).setTextColor(QApplication.palette().text().color())
          if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'black':
              sqlExecute(
                  '''UPDATE blacklist SET enabled=1 WHERE address=?''',
                  str(addressAtCurrentRow))
          else:
              sqlExecute(
                  '''UPDATE whitelist SET enabled=1 WHERE address=?''',
                  str(addressAtCurrentRow))
  
      def on_action_BlacklistDisable(self):
          currentRow = self.ui.tableWidgetBlacklist.currentRow()
          addressAtCurrentRow = self.ui.tableWidgetBlacklist.item(
              currentRow, 1).text()
          self.ui.tableWidgetBlacklist.item(
              currentRow, 0).setTextColor(QtGui.QColor(128, 128, 128))
          self.ui.tableWidgetBlacklist.item(
              currentRow, 1).setTextColor(QtGui.QColor(128, 128, 128))
          if shared.config.get('bitmessagesettings', 'blackwhitelist') == 'black':
              sqlExecute(
                  '''UPDATE blacklist SET enabled=0 WHERE address=?''', str(addressAtCurrentRow))
          else:
              sqlExecute(
                  '''UPDATE whitelist SET enabled=0 WHERE address=?''', str(addressAtCurrentRow))
  
      # Group of functions for the Your Identities dialog box
      def on_action_YourIdentitiesNew(self):
          self.click_NewAddressDialog()
  
      def on_action_YourIdentitiesEnable(self):
          currentRow = self.ui.tableWidgetYourIdentities.currentRow()
          addressAtCurrentRow = str(
              self.ui.tableWidgetYourIdentities.item(currentRow, 1).text())
          shared.config.set(addressAtCurrentRow, 'enabled', 'true')
          with open(shared.appdata + 'keys.dat', 'wb') as configfile:
              shared.config.write(configfile)
          self.ui.tableWidgetYourIdentities.item(
              currentRow, 0).setTextColor(QApplication.palette().text().color())
          self.ui.tableWidgetYourIdentities.item(
              currentRow, 1).setTextColor(QApplication.palette().text().color())
          self.ui.tableWidgetYourIdentities.item(
              currentRow, 2).setTextColor(QApplication.palette().text().color())
          if shared.safeConfigGetBoolean(addressAtCurrentRow, 'mailinglist'):
              self.ui.tableWidgetYourIdentities.item(currentRow, 1).setTextColor(QtGui.QColor(137, 04, 177)) # magenta
          if shared.safeConfigGetBoolean(addressAtCurrentRow, 'chan'):
              self.ui.tableWidgetYourIdentities.item(currentRow, 1).setTextColor(QtGui.QColor(216, 119, 0)) # orange
          shared.reloadMyAddressHashes()
  
      def on_action_YourIdentitiesDisable(self):
          currentRow = self.ui.tableWidgetYourIdentities.currentRow()
          addressAtCurrentRow = str(
              self.ui.tableWidgetYourIdentities.item(currentRow, 1).text())
          shared.config.set(str(addressAtCurrentRow), 'enabled', 'false')
          self.ui.tableWidgetYourIdentities.item(
              currentRow, 0).setTextColor(QtGui.QColor(128, 128, 128))
          self.ui.tableWidgetYourIdentities.item(
              currentRow, 1).setTextColor(QtGui.QColor(128, 128, 128))
          self.ui.tableWidgetYourIdentities.item(
              currentRow, 2).setTextColor(QtGui.QColor(128, 128, 128))
          if shared.safeConfigGetBoolean(addressAtCurrentRow, 'mailinglist'):
              self.ui.tableWidgetYourIdentities.item(currentRow, 1).setTextColor(QtGui.QColor(137, 04, 177)) # magenta
          with open(shared.appdata + 'keys.dat', 'wb') as configfile:
              shared.config.write(configfile)
          shared.reloadMyAddressHashes()
  
      def on_action_YourIdentitiesClipboard(self):
          currentRow = self.ui.tableWidgetYourIdentities.currentRow()
          addressAtCurrentRow = self.ui.tableWidgetYourIdentities.item(
              currentRow, 1).text()
          clipboard = QtGui.QApplication.clipboard()
          clipboard.setText(str(addressAtCurrentRow))
  
      def on_action_YourIdentitiesSetAvatar(self):
          self.on_action_SetAvatar(self.ui.tableWidgetYourIdentities)
          
      def on_action_AddressBookSetAvatar(self):
          self.on_action_SetAvatar(self.ui.tableWidgetAddressBook)
          
      def on_action_SubscriptionsSetAvatar(self):
          self.on_action_SetAvatar(self.ui.tableWidgetSubscriptions)
          
      def on_action_BlacklistSetAvatar(self):
          self.on_action_SetAvatar(self.ui.tableWidgetBlacklist)
          
      def on_action_SetAvatar(self, thisTableWidget):
          # thisTableWidget =  self.ui.tableWidgetYourIdentities
          if not os.path.exists(shared.appdata + 'avatars/'):
              os.makedirs(shared.appdata + 'avatars/')
          currentRow = thisTableWidget.currentRow()
          addressAtCurrentRow = thisTableWidget.item(
              currentRow, 1).text()
          hash = hashlib.md5(addBMIfNotPresent(addressAtCurrentRow)).hexdigest()
          extensions = ['PNG', 'GIF', 'JPG', 'JPEG', 'SVG', 'BMP', 'MNG', 'PBM', 'PGM', 'PPM', 'TIFF', 'XBM', 'XPM', 'TGA']
          # http://pyqt.sourceforge.net/Docs/PyQt4/qimagereader.html#supportedImageFormats
          names = {'BMP':'Windows Bitmap', 'GIF':'Graphic Interchange Format', 'JPG':'Joint Photographic Experts Group', 'JPEG':'Joint Photographic Experts Group', 'MNG':'Multiple-image Network Graphics', 'PNG':'Portable Network Graphics', 'PBM':'Portable Bitmap', 'PGM':'Portable Graymap', 'PPM':'Portable Pixmap', 'TIFF':'Tagged Image File Format', 'XBM':'X11 Bitmap', 'XPM':'X11 Pixmap', 'SVG':'Scalable Vector Graphics', 'TGA':'Targa Image Format'}
          filters = []
          all_images_filter = []
          current_files = []
          for ext in extensions:
              filters += [ names[ext] + ' (*.' + ext.lower() + ')' ]
              all_images_filter += [ '*.' + ext.lower() ]
              upper = shared.appdata + 'avatars/' + hash + '.' + ext.upper()
              lower = shared.appdata + 'avatars/' + hash + '.' + ext.lower()
              if os.path.isfile(lower):
                  current_files += [lower]
              elif os.path.isfile(upper):
                  current_files += [upper]
          filters[0:0] = ['Image files (' + ' '.join(all_images_filter) + ')']
          filters[1:1] = ['All files (*.*)']
          sourcefile = QFileDialog.getOpenFileName(self, _translate("MainWindow","Set avatar..."), filter = ';;'.join(filters))
          # determine the correct filename (note that avatars don't use the suffix)
          destination = shared.appdata + 'avatars/' + hash + '.' + sourcefile.split('.')[-1]
          exists = QtCore.QFile.exists(destination)
          if sourcefile == '':
              # ask for removal of avatar
              if exists | (len(current_files)>0):
                  displayMsg = _translate("MainWindow", "Do you really want to remove this avatar?")
                  overwrite = QtGui.QMessageBox.question(
                              self, 'Message', displayMsg, QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
              else:
                  overwrite = QtGui.QMessageBox.No
          else:
              # ask whether to overwrite old avatar
              if exists | (len(current_files)>0):
                  displayMsg = _translate("MainWindow", "You have already set an avatar for this address. Do you really want to overwrite it?")
                  overwrite = QtGui.QMessageBox.question(
                              self, 'Message', displayMsg, QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)
              else:
                  overwrite = QtGui.QMessageBox.No
              
          # copy the image file to the appdata folder
          if (not exists) | (overwrite == QtGui.QMessageBox.Yes):
              if overwrite == QtGui.QMessageBox.Yes:
                  for file in current_files:
                      QtCore.QFile.remove(file)
                  QtCore.QFile.remove(destination)
              # copy it
              if sourcefile != '':
                  copied = QtCore.QFile.copy(sourcefile, destination)
                  if not copied:
                      print 'couldn\'t copy :('
                      return False
              # set the icon
              thisTableWidget.item(
                  currentRow, 0).setIcon(avatarize(addressAtCurrentRow))
              self.rerenderSubscriptions()
              self.rerenderComboBoxSendFrom()
              self.rerenderInboxFromLabels()
              self.rerenderInboxToLabels()
              self.rerenderSentFromLabels()
              self.rerenderSentToLabels()
          
      def on_context_menuYourIdentities(self, point):
          self.popMenu.exec_(
              self.ui.tableWidgetYourIdentities.mapToGlobal(point))
  
      def on_context_menuInbox(self, point):
          self.popMenuInbox.exec_(self.ui.tableWidgetInbox.mapToGlobal(point))
  
      def on_context_menuSent(self, point):
          self.popMenuSent = QtGui.QMenu(self)
          self.popMenuSent.addAction(self.actionSentClipboard)
          self.popMenuSent.addAction(self.actionTrashSentMessage)
  
          # Check to see if this item is toodifficult and display an additional
          # menu option (Force Send) if it is.
          currentRow = self.ui.tableWidgetSent.currentRow()
          ackData = str(self.ui.tableWidgetSent.item(
              currentRow, 3).data(Qt.UserRole).toPyObject())
          queryreturn = sqlQuery('''SELECT status FROM sent where ackdata=?''', ackData)
          for row in queryreturn:
              status, = row
          if status == 'toodifficult':
              self.popMenuSent.addAction(self.actionForceSend)
          self.popMenuSent.exec_(self.ui.tableWidgetSent.mapToGlobal(point))
  
      def inboxSearchLineEditPressed(self):
          searchKeyword = self.ui.inboxSearchLineEdit.text().toUtf8().data()
          searchOption = self.ui.inboxSearchOptionCB.currentText().toUtf8().data()
          self.ui.inboxSearchLineEdit.setText(QString(""))
          self.ui.textEditInboxMessage.setPlainText(QString(""))
          self.loadInbox(searchOption, searchKeyword)
  
      def sentSearchLineEditPressed(self):
          searchKeyword = self.ui.sentSearchLineEdit.text().toUtf8().data()
          searchOption = self.ui.sentSearchOptionCB.currentText().toUtf8().data()
          self.ui.sentSearchLineEdit.setText(QString(""))
          self.ui.textEditInboxMessage.setPlainText(QString(""))
          self.loadSent(searchOption, searchKeyword)
  
      def tableWidgetInboxItemClicked(self):
          currentRow = self.ui.tableWidgetInbox.currentRow()
          if currentRow >= 0:
              font = QFont()
              font.setBold(False)
              self.ui.textEditInboxMessage.setCurrentFont(font)
              
              fromAddress = str(self.ui.tableWidgetInbox.item(
                  currentRow, 1).data(Qt.UserRole).toPyObject())
              msgid = str(self.ui.tableWidgetInbox.item(
                  currentRow, 3).data(Qt.UserRole).toPyObject())
              queryreturn = sqlQuery(
                  '''select message from inbox where msgid=?''', msgid)
              if queryreturn != []:
                  for row in queryreturn:
                      messageText, = row
              messageText = shared.fixPotentiallyInvalidUTF8Data(messageText)
              messageText = unicode(messageText, 'utf-8)')
              if len(messageText) > 30000:
                  messageText = (
                          messageText[:30000] + '\n' +
                          '--- Display of the remainder of the message ' +
                          'truncated because it is too long.\n' +
                          '--- To see the full message, right-click in the ' +
                          'Inbox view and select "View HTML code as formatted ' +
                          'text",\n' +
                          '--- or select "Save message as..." to save it to a ' +
                          'file, or select "Reply" and ' +
                          'view the full message in the quote.')
              # If we have received this message from either a broadcast address
              # or from someone in our address book, display as HTML
              if decodeAddress(fromAddress)[3] in shared.broadcastSendersForWhichImWatching or shared.isAddressInMyAddressBook(fromAddress):
                  self.ui.textEditInboxMessage.setText(messageText)
              else:
                  self.ui.textEditInboxMessage.setPlainText(messageText)
  
              self.ui.tableWidgetInbox.item(currentRow, 0).setFont(font)
              self.ui.tableWidgetInbox.item(currentRow, 1).setFont(font)
              self.ui.tableWidgetInbox.item(currentRow, 2).setFont(font)
              self.ui.tableWidgetInbox.item(currentRow, 3).setFont(font)
  
              inventoryHash = str(self.ui.tableWidgetInbox.item(
                  currentRow, 3).data(Qt.UserRole).toPyObject())
              self.ubuntuMessagingMenuClear(inventoryHash)
              sqlExecute('''update inbox set read=1 WHERE msgid=?''', inventoryHash)
              self.changedInboxUnread()
  
      def tableWidgetSentItemClicked(self):
          currentRow = self.ui.tableWidgetSent.currentRow()
          if currentRow >= 0:
              ackdata = str(self.ui.tableWidgetSent.item(
                  currentRow, 3).data(Qt.UserRole).toPyObject())
              queryreturn = sqlQuery(
                  '''select message from sent where ackdata=?''', ackdata)
              if queryreturn != []:
                  for row in queryreturn:
                      message, = row
              else:
                  message = "Error occurred: could not load message from disk."
              message = unicode(message, 'utf-8)')
              self.ui.textEditSentMessage.setPlainText(message)
  
      def tableWidgetYourIdentitiesItemChanged(self):
          currentRow = self.ui.tableWidgetYourIdentities.currentRow()
          if currentRow >= 0:
              addressAtCurrentRow = self.ui.tableWidgetYourIdentities.item(
                  currentRow, 1).text()
              shared.config.set(str(addressAtCurrentRow), 'label', str(
                  self.ui.tableWidgetYourIdentities.item(currentRow, 0).text().toUtf8()))
              with open(shared.appdata + 'keys.dat', 'wb') as configfile:
                  shared.config.write(configfile)
              self.rerenderComboBoxSendFrom()
              # self.rerenderInboxFromLabels()
              self.rerenderInboxToLabels()
              self.rerenderSentFromLabels()
              # self.rerenderSentToLabels()
  
      def tableWidgetAddressBookItemChanged(self):
          currentRow = self.ui.tableWidgetAddressBook.currentRow()
          if currentRow >= 0:
              addressAtCurrentRow = self.ui.tableWidgetAddressBook.item(
                  currentRow, 1).text()
              sqlExecute('''UPDATE addressbook set label=? WHERE address=?''',
                         str(self.ui.tableWidgetAddressBook.item(currentRow, 0).text().toUtf8()),
                         str(addressAtCurrentRow))
          self.rerenderInboxFromLabels()
          self.rerenderSentToLabels()
  
      def tableWidgetSubscriptionsItemChanged(self):
          currentRow = self.ui.tableWidgetSubscriptions.currentRow()
          if currentRow >= 0:
              addressAtCurrentRow = self.ui.tableWidgetSubscriptions.item(
                  currentRow, 1).text()
              sqlExecute('''UPDATE subscriptions set label=? WHERE address=?''',
                         str(self.ui.tableWidgetSubscriptions.item(currentRow, 0).text().toUtf8()),
                         str(addressAtCurrentRow))
          self.rerenderInboxFromLabels()
          self.rerenderSentToLabels()
  
      def writeNewAddressToTable(self, label, address, streamNumber):
          self.ui.tableWidgetYourIdentities.setSortingEnabled(False)
          self.ui.tableWidgetYourIdentities.insertRow(0)
          newItem = QtGui.QTableWidgetItem(unicode(label, 'utf-8'))
          newItem.setIcon(avatarize(address))
          self.ui.tableWidgetYourIdentities.setItem(
              0, 0, newItem)
          newItem = QtGui.QTableWidgetItem(address)
          newItem.setFlags(
              QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
          if shared.safeConfigGetBoolean(address, 'chan'):
              newItem.setTextColor(QtGui.QColor(216, 119, 0)) # orange
          self.ui.tableWidgetYourIdentities.setItem(0, 1, newItem)
          newItem = QtGui.QTableWidgetItem(streamNumber)
          newItem.setFlags(
              QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled)
          self.ui.tableWidgetYourIdentities.setItem(0, 2, newItem)
          # self.ui.tableWidgetYourIdentities.setSortingEnabled(True)
          self.rerenderComboBoxSendFrom()
  
      def updateStatusBar(self, data):
          if data != "":
              with shared.printLock:
                  print 'Status bar:', data
  
          self.statusBar().showMessage(data)
  
  
  class helpDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_helpDialog()
          self.ui.setupUi(self)
          self.parent = parent
          self.ui.labelHelpURI.setOpenExternalLinks(True)
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
          
  class connectDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_connectDialog()
          self.ui.setupUi(self)
          self.parent = parent
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
  
  class aboutDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_aboutDialog()
          self.ui.setupUi(self)
          self.parent = parent
          self.ui.labelVersion.setText('version ' + shared.softwareVersion)
  
  
  class regenerateAddressesDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_regenerateAddressesDialog()
          self.ui.setupUi(self)
          self.parent = parent
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
  
  class settingsDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_settingsDialog()
          self.ui.setupUi(self)
          self.parent = parent
          self.ui.checkBoxStartOnLogon.setChecked(
              shared.config.getboolean('bitmessagesettings', 'startonlogon'))
          self.ui.checkBoxMinimizeToTray.setChecked(
              shared.config.getboolean('bitmessagesettings', 'minimizetotray'))
          self.ui.checkBoxShowTrayNotifications.setChecked(
              shared.config.getboolean('bitmessagesettings', 'showtraynotifications'))
          self.ui.checkBoxStartInTray.setChecked(
              shared.config.getboolean('bitmessagesettings', 'startintray'))
          self.ui.checkBoxWillinglySendToMobile.setChecked(
              shared.safeConfigGetBoolean('bitmessagesettings', 'willinglysendtomobile'))
          self.ui.checkBoxUseIdenticons.setChecked(
              shared.safeConfigGetBoolean('bitmessagesettings', 'useidenticons'))
          self.ui.checkBoxReplyBelow.setChecked(
              shared.safeConfigGetBoolean('bitmessagesettings', 'replybelow'))
          
          global languages 
          languages = ['system','en','eo','fr','de','es','ru','no','ar','zh_cn','ja','nl','en_pirate','other']
          user_countrycode = str(shared.config.get('bitmessagesettings', 'userlocale'))
          if user_countrycode in languages:
              curr_index = languages.index(user_countrycode)
          else:
              curr_index = languages.index('other')
          self.ui.languageComboBox.setCurrentIndex(curr_index)
          
          if shared.appdata == '':
              self.ui.checkBoxPortableMode.setChecked(True)
          if 'darwin' in sys.platform:
              self.ui.checkBoxStartOnLogon.setDisabled(True)
              self.ui.checkBoxStartOnLogon.setText(_translate(
                  "MainWindow", "Start-on-login not yet supported on your OS."))
              self.ui.checkBoxMinimizeToTray.setDisabled(True)
              self.ui.checkBoxMinimizeToTray.setText(_translate(
                  "MainWindow", "Minimize-to-tray not yet supported on your OS."))
              self.ui.checkBoxShowTrayNotifications.setDisabled(True)
              self.ui.checkBoxShowTrayNotifications.setText(_translate(
                  "MainWindow", "Tray notifications not yet supported on your OS."))
          elif 'linux' in sys.platform:
              self.ui.checkBoxStartOnLogon.setDisabled(True)
              self.ui.checkBoxStartOnLogon.setText(_translate(
                  "MainWindow", "Start-on-login not yet supported on your OS."))
              self.ui.checkBoxMinimizeToTray.setDisabled(True)
              self.ui.checkBoxMinimizeToTray.setText(_translate(
                  "MainWindow", "Minimize-to-tray not yet supported on your OS."))
          # On the Network settings tab:
          self.ui.lineEditTCPPort.setText(str(
              shared.config.get('bitmessagesettings', 'port')))
          self.ui.checkBoxAuthentication.setChecked(shared.config.getboolean(
              'bitmessagesettings', 'socksauthentication'))
          self.ui.checkBoxSocksListen.setChecked(shared.config.getboolean(
              'bitmessagesettings', 'sockslisten'))
          if str(shared.config.get('bitmessagesettings', 'socksproxytype')) == 'none':
              self.ui.comboBoxProxyType.setCurrentIndex(0)
              self.ui.lineEditSocksHostname.setEnabled(False)
              self.ui.lineEditSocksPort.setEnabled(False)
              self.ui.lineEditSocksUsername.setEnabled(False)
              self.ui.lineEditSocksPassword.setEnabled(False)
              self.ui.checkBoxAuthentication.setEnabled(False)
              self.ui.checkBoxSocksListen.setEnabled(False)
          elif str(shared.config.get('bitmessagesettings', 'socksproxytype')) == 'SOCKS4a':
              self.ui.comboBoxProxyType.setCurrentIndex(1)
              self.ui.lineEditTCPPort.setEnabled(False)
          elif str(shared.config.get('bitmessagesettings', 'socksproxytype')) == 'SOCKS5':
              self.ui.comboBoxProxyType.setCurrentIndex(2)
              self.ui.lineEditTCPPort.setEnabled(False)
  
          self.ui.lineEditSocksHostname.setText(str(
              shared.config.get('bitmessagesettings', 'sockshostname')))
          self.ui.lineEditSocksPort.setText(str(
              shared.config.get('bitmessagesettings', 'socksport')))
          self.ui.lineEditSocksUsername.setText(str(
              shared.config.get('bitmessagesettings', 'socksusername')))
          self.ui.lineEditSocksPassword.setText(str(
              shared.config.get('bitmessagesettings', 'sockspassword')))
          QtCore.QObject.connect(self.ui.comboBoxProxyType, QtCore.SIGNAL(
              "currentIndexChanged(int)"), self.comboBoxProxyTypeChanged)
          self.ui.lineEditMaxDownloadRate.setText(str(
              shared.config.get('bitmessagesettings', 'maxdownloadrate')))
          self.ui.lineEditMaxUploadRate.setText(str(
              shared.config.get('bitmessagesettings', 'maxuploadrate')))
  
          # Demanded difficulty tab
          self.ui.lineEditTotalDifficulty.setText(str((float(shared.config.getint(
              'bitmessagesettings', 'defaultnoncetrialsperbyte')) / shared.networkDefaultProofOfWorkNonceTrialsPerByte)))
          self.ui.lineEditSmallMessageDifficulty.setText(str((float(shared.config.getint(
              'bitmessagesettings', 'defaultpayloadlengthextrabytes')) / shared.networkDefaultPayloadLengthExtraBytes)))
  
          # Max acceptable difficulty tab
          self.ui.lineEditMaxAcceptableTotalDifficulty.setText(str((float(shared.config.getint(
              'bitmessagesettings', 'maxacceptablenoncetrialsperbyte')) / shared.networkDefaultProofOfWorkNonceTrialsPerByte)))
          self.ui.lineEditMaxAcceptableSmallMessageDifficulty.setText(str((float(shared.config.getint(
              'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes')) / shared.networkDefaultPayloadLengthExtraBytes)))
  
          # Namecoin integration tab
          nmctype = shared.config.get('bitmessagesettings', 'namecoinrpctype')
          self.ui.lineEditNamecoinHost.setText(str(
              shared.config.get('bitmessagesettings', 'namecoinrpchost')))
          self.ui.lineEditNamecoinPort.setText(str(
              shared.config.get('bitmessagesettings', 'namecoinrpcport')))
          self.ui.lineEditNamecoinUser.setText(str(
              shared.config.get('bitmessagesettings', 'namecoinrpcuser')))
          self.ui.lineEditNamecoinPassword.setText(str(
              shared.config.get('bitmessagesettings', 'namecoinrpcpassword')))
  
          if nmctype == "namecoind":
              self.ui.radioButtonNamecoinNamecoind.setChecked(True)
          elif nmctype == "nmcontrol":
              self.ui.radioButtonNamecoinNmcontrol.setChecked(True)
              self.ui.lineEditNamecoinUser.setEnabled(False)
              self.ui.labelNamecoinUser.setEnabled(False)
              self.ui.lineEditNamecoinPassword.setEnabled(False)
              self.ui.labelNamecoinPassword.setEnabled(False)
          else:
              assert False
  
          QtCore.QObject.connect(self.ui.radioButtonNamecoinNamecoind, QtCore.SIGNAL(
              "toggled(bool)"), self.namecoinTypeChanged)
          QtCore.QObject.connect(self.ui.radioButtonNamecoinNmcontrol, QtCore.SIGNAL(
              "toggled(bool)"), self.namecoinTypeChanged)
          QtCore.QObject.connect(self.ui.pushButtonNamecoinTest, QtCore.SIGNAL(
              "clicked()"), self.click_pushButtonNamecoinTest)
  
          #Message Resend tab
          self.ui.lineEditDays.setText(str(
              shared.config.get('bitmessagesettings', 'stopresendingafterxdays')))
          self.ui.lineEditMonths.setText(str(
              shared.config.get('bitmessagesettings', 'stopresendingafterxmonths')))
          
          
          #'System' tab removed for now.
          """try:
              maxCores = shared.config.getint('bitmessagesettings', 'maxcores')
          except:
              maxCores = 99999
          if maxCores <= 1:
              self.ui.comboBoxMaxCores.setCurrentIndex(0)
          elif maxCores == 2:
              self.ui.comboBoxMaxCores.setCurrentIndex(1)
          elif maxCores <= 4:
              self.ui.comboBoxMaxCores.setCurrentIndex(2)
          elif maxCores <= 8:
              self.ui.comboBoxMaxCores.setCurrentIndex(3)
          elif maxCores <= 16:
              self.ui.comboBoxMaxCores.setCurrentIndex(4)
          else:
              self.ui.comboBoxMaxCores.setCurrentIndex(5)"""
  
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
  
      def comboBoxProxyTypeChanged(self, comboBoxIndex):
          if comboBoxIndex == 0:
              self.ui.lineEditSocksHostname.setEnabled(False)
              self.ui.lineEditSocksPort.setEnabled(False)
              self.ui.lineEditSocksUsername.setEnabled(False)
              self.ui.lineEditSocksPassword.setEnabled(False)
              self.ui.checkBoxAuthentication.setEnabled(False)
              self.ui.checkBoxSocksListen.setEnabled(False)
              self.ui.lineEditTCPPort.setEnabled(True)
          elif comboBoxIndex == 1 or comboBoxIndex == 2:
              self.ui.lineEditSocksHostname.setEnabled(True)
              self.ui.lineEditSocksPort.setEnabled(True)
              self.ui.checkBoxAuthentication.setEnabled(True)
              self.ui.checkBoxSocksListen.setEnabled(True)
              if self.ui.checkBoxAuthentication.isChecked():
                  self.ui.lineEditSocksUsername.setEnabled(True)
                  self.ui.lineEditSocksPassword.setEnabled(True)
              self.ui.lineEditTCPPort.setEnabled(False)
  
      # Check status of namecoin integration radio buttons and translate
      # it to a string as in the options.
      def getNamecoinType(self):
          if self.ui.radioButtonNamecoinNamecoind.isChecked():
              return "namecoind"
          if self.ui.radioButtonNamecoinNmcontrol.isChecked():
              return "nmcontrol"
          assert False
  
      # Namecoin connection type was changed.
      def namecoinTypeChanged(self, checked):
          nmctype = self.getNamecoinType()
          assert nmctype == "namecoind" or nmctype == "nmcontrol"
              
          isNamecoind = (nmctype == "namecoind")
          self.ui.lineEditNamecoinUser.setEnabled(isNamecoind)
          self.ui.labelNamecoinUser.setEnabled(isNamecoind)
          self.ui.lineEditNamecoinPassword.setEnabled(isNamecoind)
          self.ui.labelNamecoinPassword.setEnabled(isNamecoind)
  
          if isNamecoind:
              self.ui.lineEditNamecoinPort.setText(shared.namecoinDefaultRpcPort)
          else:
              self.ui.lineEditNamecoinPort.setText("9000")
  
      # Test the namecoin settings specified in the settings dialog.
      def click_pushButtonNamecoinTest(self):
          self.ui.labelNamecoinTestResult.setText(_translate(
                  "MainWindow", "Testing..."))
          options = {}
          options["type"] = self.getNamecoinType()
          options["host"] = self.ui.lineEditNamecoinHost.text()
          options["port"] = self.ui.lineEditNamecoinPort.text()
          options["user"] = self.ui.lineEditNamecoinUser.text()
          options["password"] = self.ui.lineEditNamecoinPassword.text()
          nc = namecoinConnection(options)
          response = nc.test()
          responseStatus = response[0]
          responseText = response[1]
          self.ui.labelNamecoinTestResult.setText(responseText)
          if responseStatus== 'success':
              self.parent.ui.pushButtonFetchNamecoinID.show()
  
  
  class SpecialAddressBehaviorDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_SpecialAddressBehaviorDialog()
          self.ui.setupUi(self)
          self.parent = parent
          currentRow = parent.ui.tableWidgetYourIdentities.currentRow()
          addressAtCurrentRow = str(
              parent.ui.tableWidgetYourIdentities.item(currentRow, 1).text())
          if not shared.safeConfigGetBoolean(addressAtCurrentRow, 'chan'):
              if shared.safeConfigGetBoolean(addressAtCurrentRow, 'mailinglist'):
                  self.ui.radioButtonBehaviorMailingList.click()
              else:
                  self.ui.radioButtonBehaveNormalAddress.click()
              try:
                  mailingListName = shared.config.get(
                      addressAtCurrentRow, 'mailinglistname')
              except:
                  mailingListName = ''
              self.ui.lineEditMailingListName.setText(
                  unicode(mailingListName, 'utf-8'))
          else: # if addressAtCurrentRow is a chan address
              self.ui.radioButtonBehaviorMailingList.setDisabled(True)
              self.ui.lineEditMailingListName.setText(_translate(
                  "MainWindow", "This is a chan address. You cannot use it as a pseudo-mailing list."))
  
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
  
  
  class AddAddressDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_AddAddressDialog()
          self.ui.setupUi(self)
          self.parent = parent
          QtCore.QObject.connect(self.ui.lineEditAddress, QtCore.SIGNAL(
              "textChanged(QString)"), self.addressChanged)
  
      def addressChanged(self, QString):
          status, a, b, c = decodeAddress(str(QString))
          if status == 'missingbm':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The address should start with ''BM-''"))
          elif status == 'checksumfailed':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The address is not typed or copied correctly (the checksum failed)."))
          elif status == 'versiontoohigh':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The version number of this address is higher than this software can support. Please upgrade Bitmessage."))
          elif status == 'invalidcharacters':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The address contains invalid characters."))
          elif status == 'ripetooshort':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "Some data encoded in the address is too short."))
          elif status == 'ripetoolong':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "Some data encoded in the address is too long."))
          elif status == 'varintmalformed':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "Some data encoded in the address is malformed."))
          elif status == 'success':
              self.ui.labelAddressCheck.setText(
                  _translate("MainWindow", "Address is valid."))
              
  class NewSubscriptionDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_NewSubscriptionDialog()
          self.ui.setupUi(self)
          self.parent = parent
          QtCore.QObject.connect(self.ui.lineEditSubscriptionAddress, QtCore.SIGNAL(
              "textChanged(QString)"), self.addressChanged)
          self.ui.checkBoxDisplayMessagesAlreadyInInventory.setText(
              _translate("MainWindow", "Enter an address above."))
  
      def addressChanged(self, QString):
          self.ui.checkBoxDisplayMessagesAlreadyInInventory.setEnabled(False)
          self.ui.checkBoxDisplayMessagesAlreadyInInventory.setChecked(False)
          status, addressVersion, streamNumber, ripe = decodeAddress(str(QString))
          if status == 'missingbm':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The address should start with ''BM-''"))
          elif status == 'checksumfailed':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The address is not typed or copied correctly (the checksum failed)."))
          elif status == 'versiontoohigh':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The version number of this address is higher than this software can support. Please upgrade Bitmessage."))
          elif status == 'invalidcharacters':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "The address contains invalid characters."))
          elif status == 'ripetooshort':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "Some data encoded in the address is too short."))
          elif status == 'ripetoolong':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "Some data encoded in the address is too long."))
          elif status == 'varintmalformed':
              self.ui.labelAddressCheck.setText(_translate(
                  "MainWindow", "Some data encoded in the address is malformed."))
          elif status == 'success':
              self.ui.labelAddressCheck.setText(
                  _translate("MainWindow", "Address is valid."))
              if addressVersion <= 3:
                  self.ui.checkBoxDisplayMessagesAlreadyInInventory.setText(
                      _translate("MainWindow", "Address is an old type. We cannot display its past broadcasts."))
              else:
                  shared.flushInventory()
                  doubleHashOfAddressData = hashlib.sha512(hashlib.sha512(encodeVarint(
                      addressVersion) + encodeVarint(streamNumber) + ripe).digest()).digest()
                  tag = doubleHashOfAddressData[32:]
                  queryreturn = sqlQuery(
                      '''select hash from inventory where objecttype=3 and tag=?''', tag)
                  if len(queryreturn) == 0:
                      self.ui.checkBoxDisplayMessagesAlreadyInInventory.setText(
                          _translate("MainWindow", "There are no recent broadcasts from this address to display."))
                  elif len(queryreturn) == 1:
                      self.ui.checkBoxDisplayMessagesAlreadyInInventory.setEnabled(True)
                      self.ui.checkBoxDisplayMessagesAlreadyInInventory.setText(
                          _translate("MainWindow", "Display the %1 recent broadcast from this address.").arg(str(len(queryreturn))))
                  else:
                      self.ui.checkBoxDisplayMessagesAlreadyInInventory.setEnabled(True)
                      self.ui.checkBoxDisplayMessagesAlreadyInInventory.setText(
                          _translate("MainWindow", "Display the %1 recent broadcasts from this address.").arg(str(len(queryreturn))))
  
  
  class NewAddressDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_NewAddressDialog()
          self.ui.setupUi(self)
          self.parent = parent
          row = 1
          # Let's fill out the 'existing address' combo box with addresses from
          # the 'Your Identities' tab.
          while self.parent.ui.tableWidgetYourIdentities.item(row - 1, 1):
              self.ui.radioButtonExisting.click()
              # print
              # self.parent.ui.tableWidgetYourIdentities.item(row-1,1).text()
              self.ui.comboBoxExisting.addItem(
                  self.parent.ui.tableWidgetYourIdentities.item(row - 1, 1).text())
              row += 1
          self.ui.groupBoxDeterministic.setHidden(True)
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
  
  class newChanDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_newChanDialog()
          self.ui.setupUi(self)
          self.parent = parent
          self.ui.groupBoxCreateChan.setHidden(True)
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))     
  
  
  class iconGlossaryDialog(QtGui.QDialog):
  
      def __init__(self, parent):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_iconGlossaryDialog()
          self.ui.setupUi(self)
          self.parent = parent
          self.ui.labelPortNumber.setText(_translate(
              "MainWindow", "You are using TCP port %1. (This can be changed in the settings).").arg(str(shared.config.getint('bitmessagesettings', 'port'))))
          QtGui.QWidget.resize(self, QtGui.QWidget.sizeHint(self))
  
  
  # In order for the time columns on the Inbox and Sent tabs to be sorted
  # correctly (rather than alphabetically), we need to overload the <
  # operator and use this class instead of QTableWidgetItem.
  class myTableWidgetItem(QTableWidgetItem):
  
      def __lt__(self, other):
          return int(self.data(33).toPyObject()) < int(other.data(33).toPyObject())
  
  class UISignaler(QThread):
  
      def __init__(self, parent=None):
          QThread.__init__(self, parent)
  
      def run(self):
          while True:
              command, data = shared.UISignalQueue.get()
              if command == 'writeNewAddressToTable':
                  label, address, streamNumber = data
                  self.emit(SIGNAL(
                      "writeNewAddressToTable(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"), label, address, str(streamNumber))
              elif command == 'updateStatusBar':
                  self.emit(SIGNAL("updateStatusBar(PyQt_PyObject)"), data)
              elif command == 'updateSentItemStatusByHash':
                  hash, message = data
                  self.emit(SIGNAL(
                      "updateSentItemStatusByHash(PyQt_PyObject,PyQt_PyObject)"), hash, message)
              elif command == 'updateSentItemStatusByAckdata':
                  ackData, message = data
                  self.emit(SIGNAL(
                      "updateSentItemStatusByAckdata(PyQt_PyObject,PyQt_PyObject)"), ackData, message)
              elif command == 'displayNewInboxMessage':
                  inventoryHash, toAddress, fromAddress, subject, body = data
                  self.emit(SIGNAL(
                      "displayNewInboxMessage(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"),
                      inventoryHash, toAddress, fromAddress, subject, body)
              elif command == 'displayNewSentMessage':
                  toAddress, fromLabel, fromAddress, subject, message, ackdata = data
                  self.emit(SIGNAL(
                      "displayNewSentMessage(PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject,PyQt_PyObject)"),
                      toAddress, fromLabel, fromAddress, subject, message, ackdata)
              elif command == 'updateNetworkStatusTab':
                  self.emit(SIGNAL("updateNetworkStatusTab()"))
              elif command == 'updateNumberOfMessagesProcessed':
                  self.emit(SIGNAL("updateNumberOfMessagesProcessed()"))
              elif command == 'updateNumberOfPubkeysProcessed':
                  self.emit(SIGNAL("updateNumberOfPubkeysProcessed()"))
              elif command == 'updateNumberOfBroadcastsProcessed':
                  self.emit(SIGNAL("updateNumberOfBroadcastsProcessed()"))
              elif command == 'setStatusIcon':
                  self.emit(SIGNAL("setStatusIcon(PyQt_PyObject)"), data)
              elif command == 'changedInboxUnread':
                  self.emit(SIGNAL("changedInboxUnread(PyQt_PyObject)"), data)
              elif command == 'rerenderInboxFromLabels':
                  self.emit(SIGNAL("rerenderInboxFromLabels()"))
              elif command == 'rerenderSentToLabels':
                  self.emit(SIGNAL("rerenderSentToLabels()"))
              elif command == 'rerenderAddressBook':
                  self.emit(SIGNAL("rerenderAddressBook()"))
              elif command == 'rerenderSubscriptions':
                  self.emit(SIGNAL("rerenderSubscriptions()"))
              elif command == 'removeInboxRowByMsgid':
                  self.emit(SIGNAL("removeInboxRowByMsgid(PyQt_PyObject)"), data)
              elif command == 'alert':
                  title, text, exitAfterUserClicksOk = data
                  self.emit(SIGNAL("displayAlert(PyQt_PyObject, PyQt_PyObject, PyQt_PyObject)"), title, text, exitAfterUserClicksOk)
              else:
                  sys.stderr.write(
                      'Command sent to UISignaler not recognized: %s\n' % command)
  
  def run():
      app = QtGui.QApplication(sys.argv)
      translator = QtCore.QTranslator()
      
      translationpath = os.path.join(
          getattr(sys, '_MEIPASS', sys.path[0]),
          'translations',
          'bitmessage_' + l10n.getTranslationLanguage()
      )
      translator.load(translationpath)
  
      QtGui.QApplication.installTranslator(translator)
      app.setStyleSheet("QStatusBar::item { border: 0px solid black }")
      myapp = MyForm()
  
      if not shared.config.getboolean('bitmessagesettings', 'startintray'):
          myapp.show()
  
      myapp.appIndicatorInit(app)
      myapp.ubuntuMessagingMenuInit()
      myapp.notifierInit()
      if shared.safeConfigGetBoolean('bitmessagesettings', 'dontconnect'):
          myapp.showConnectDialog() # ask the user if we may connect
      sys.exit(app.exec_())
  