Removing RetranslateMixin from MainWindow

src/bitmessageqt/__init__.py

@@ -308,7 +308,6 @@ class MainWindow(Window):
     def __init__(self, parent=None):
         super(MainWindow, self).__init__(parent)
 
-        self.qmytranslator = self.qsystranslator = None
         self.indicatorUpdate = None
         self.actionStatus = None
 
@@ -1269,8 +1268,8 @@ class MainWindow(Window):
 
     def changeEvent(self, event):
         if event.type() == QtCore.QEvent.LanguageChange:
-            self.retranslateUi(self)
-            self.init_inbox_popup_menu(False)
+            # FIXME: it's called very often
+            self.retranslateUi()
             self.init_identities_popup_menu(False)
             self.blackwhitelist.init_blacklist_popup_menu()
         if event.type() == QtCore.QEvent.WindowStateChange:

src/bitmessageqt/address_dialogs.py

@@ -1,7 +1,7 @@
 """
 Dialogs that work with BM address.
 """
-# pylint: disable=attribute-defined-outside-init,too-few-public-methods,relative-import
+# pylint: disable=attribute-defined-outside-init,too-few-public-methods
 
 import hashlib
 
@@ -9,8 +9,11 @@ from PyQt4 import QtCore, QtGui
 
 import queues
 import widgets
-from account import AccountMixin, GatewayAccount, MailchuckAccount, accountClass, getSortedAccounts
-from addresses import addBMIfNotPresent, decodeAddress, encodeVarint
+from account import (
+    GatewayAccount, MailchuckAccount, AccountMixin, accountClass,
+    getSortedAccounts
+)
+from addresses import decodeAddress, encodeVarint, addBMIfNotPresent
 from inventory import Inventory
 from tr import _translate
 

src/bitmessageqt/main.py

@@ -1,20 +1,26 @@
+import locale
+import os
+import sys
 from PyQt4 import QtCore, QtGui
 
+import l10n
+import paths
 import settingsmixin
 import widgets
 from bmconfigparser import BMConfigParser
+from debug import logger
 from foldertree import AddressBookCompleter
-from retranslateui import RetranslateMixin
 from tr import _translate
 
 
-class Window(settingsmixin.SMainWindow, RetranslateMixin):
+class Window(settingsmixin.SMainWindow):
     """The main PyBitmessage's window"""
 
     def __init__(self, parent=None):
         super(Window, self).__init__(parent)
         widgets.load('main.ui', self)
 
+        self.qmytranslator = self.qsystranslator = None
         self.blackwhitelist.rerenderBlackWhiteList()
 
         addressBookCompleter = AddressBookCompleter()
@@ -82,3 +88,62 @@ class Window(settingsmixin.SMainWindow, RetranslateMixin):
             if dontconnect else
             _translate("MainWindow", "Go offline", None)
         )
+
+    def retranslateUi(self):
+        """Update widgets' texts which is not taken from ui-file"""
+        self.updateHumanFriendlyTTLDescription(int(
+            self.horizontalSliderTTL.tickPosition() ** 3.199 + 3600))
+        self.networkstatus.retranslateUi()
+
+    # FIXME: this is not best place for this func
+    def change_translation(self, newlocale=None):
+        """Change translation language for the application"""
+        if newlocale is None:
+            newlocale = l10n.getTranslationLanguage()
+        try:
+            if not self.qmytranslator.isEmpty():
+                QtGui.QApplication.removeTranslator(self.qmytranslator)
+        except:
+            pass
+        try:
+            if not self.qsystranslator.isEmpty():
+                QtGui.QApplication.removeTranslator(self.qsystranslator)
+        except:
+            pass
+
+        self.qmytranslator = QtCore.QTranslator()
+        translationpath = os.path.join(
+            paths.codePath(), 'translations', 'bitmessage_' + newlocale)
+        self.qmytranslator.load(translationpath)
+        QtGui.QApplication.installTranslator(self.qmytranslator)
+
+        self.qsystranslator = QtCore.QTranslator()
+        if paths.frozen:
+            translationpath = os.path.join(
+                paths.codePath(), 'translations', 'qt_' + newlocale)
+        else:
+            translationpath = os.path.join(
+                str(QtCore.QLibraryInfo.location(
+                    QtCore.QLibraryInfo.TranslationsPath)), 'qt_' + newlocale)
+        self.qsystranslator.load(translationpath)
+        QtGui.QApplication.installTranslator(self.qsystranslator)
+
+        lang = locale.normalize(l10n.getTranslationLanguage())
+        langs = [
+            lang.split(".")[0] + "." + l10n.encoding,
+            lang.split(".")[0] + "." + 'UTF-8',
+            lang
+        ]
+        if 'win32' in sys.platform or 'win64' in sys.platform:
+            langs = [l10n.getWindowsLocale(lang)]
+        for lang in langs:
+            try:
+                l10n.setlocale(locale.LC_ALL, lang)
+                if 'win32' not in sys.platform and 'win64' not in sys.platform:
+                    l10n.encoding = locale.nl_langinfo(locale.CODESET)
+                else:
+                    l10n.encoding = locale.getlocale()[1]
+                logger.info("Successfully set locale to %s", lang)
+                break
+            except:
+                logger.error("Failed to set locale to %s", lang, exc_info=True)

src/bitmessageqt/networkstatus.py

@@ -240,7 +240,7 @@ class NetworkStatus(QtGui.QWidget, RetranslateMixin):
         self.labelTotalConnections.setText(
             _translate(
                 "networkstatus", "Total Connections: %1").arg(
-                    str(self.tableWidgetConnectionCount.rowCount())))
+                    self.tableWidgetConnectionCount.rowCount()))
         self.labelStartupTime.setText(_translate(
             "networkstatus", "Since startup on %1"
         ).arg(l10n.formatTimestamp(self.startup)))