allow language changing in prefs

avoided adding this in the past as on a multi user system it allows
one profile user to annoys others by changing the interface language,
but it comes at the expense of easily changing the language for users
who choose the wrong one on first startup

aqt/preferences.py

@@ -4,6 +4,7 @@
 
 import datetime, time
 from aqt.qt import *
+import anki.lang
 from aqt.utils import openFolder, showWarning, getText, openHelp, showInfo
 import aqt
 
@@ -22,6 +23,7 @@ class Preferences(QDialog):
         self.form.buttonBox.button(QDialogButtonBox.Close).setAutoDefault(False)
         self.connect(self.form.buttonBox, SIGNAL("helpRequested()"),
                      lambda: openHelp("profileprefs"))
+        self.setupLang()
         self.setupCollection()
         self.setupNetwork()
         self.setupBackup()
@@ -43,6 +45,28 @@ class Preferences(QDialog):
     def reject(self):
         self.accept()
 
+    # Language
+    ######################################################################
+
+    def setupLang(self):
+        f = self.form
+        f.lang.addItems([x[0] for x in anki.lang.langs])
+        f.lang.setCurrentIndex(self.langIdx())
+        self.connect(f.lang, SIGNAL("currentIndexChanged(int)"),
+                     self.onLangIdxChanged)
+
+    def langIdx(self):
+        codes = [x[1] for x in anki.lang.langs]
+        try:
+            return codes.index(anki.lang.getLang())
+        except:
+            return codes.index("en")
+
+    def onLangIdxChanged(self, idx):
+        code = anki.lang.langs[idx][1]
+        self.mw.pm.setLang(code)
+        showInfo(_("Please restart Anki to complete language change."), parent=self)
+
     # Collection options
     ######################################################################
 

aqt/profiles.py

@@ -15,7 +15,7 @@ import re
 from aqt.qt import *
 from anki.db import DB
 from anki.utils import isMac, isWin, intTime, checksum
-from anki.lang import langs
+import anki.lang
 from aqt.utils import showWarning
 from aqt import appHelpSite
 import aqt.forms
@@ -322,7 +322,7 @@ please see:
         # find index
         idx = None
         en = None
-        for c, (name, code) in enumerate(langs):
+        for c, (name, code) in enumerate(anki.lang.langs):
             if code == "en":
                 en = c
             if code == lang:
@@ -331,13 +331,13 @@ please see:
         if idx is None:
             idx = en
         # update list
-        f.lang.addItems([x[0] for x in langs])
+        f.lang.addItems([x[0] for x in anki.lang.langs])
         f.lang.setCurrentRow(idx)
         d.exec_()
 
     def _onLangSelected(self):
         f = self.langForm
-        obj = langs[f.lang.currentRow()]
+        obj = anki.lang.langs[f.lang.currentRow()]
         code = obj[1]
         name = obj[0]
         en = "Are you sure you wish to display Anki's interface in %s?"
@@ -346,7 +346,11 @@ please see:
             QMessageBox.No)
         if r != QMessageBox.Yes:
             return self._setDefaultLang()
+        self.setLang(code)
+
+    def setLang(self, code):
         self.meta['defaultLang'] = code
         sql = "update profiles set data = ? where name = ?"
         self.db.execute(sql, cPickle.dumps(self.meta), "_global")
         self.db.commit()
+        anki.lang.setLang(code, local=False)

designer/preferences.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>405</width>
-    <height>450</height>
+    <height>455</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -30,6 +30,27 @@
        <property name="spacing">
         <number>12</number>
        </property>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_2">
+         <item>
+          <widget class="QLabel" name="label">
+           <property name="text">
+            <string>Interface language:</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QComboBox" name="lang">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
        <item>
         <widget class="QCheckBox" name="showEstimates">
          <property name="text">
@@ -413,6 +434,7 @@
   </layout>
  </widget>
  <tabstops>
+  <tabstop>lang</tabstop>
   <tabstop>showEstimates</tabstop>
   <tabstop>showProgress</tabstop>
   <tabstop>stripHTML</tabstop>
@@ -429,6 +451,8 @@
   <tabstop>numBackups</tabstop>
   <tabstop>buttonBox</tabstop>
   <tabstop>tabWidget</tabstop>
+  <tabstop>fullSync</tabstop>
+  <tabstop>compressBackups</tabstop>
  </tabstops>
  <resources/>
  <connections>