I have a QT application and I need to change language at runtime. I am using QTranslator and .qm files. The language is loaded properly but my widgets don't show the text.

Y have 'MyClass..cpp' (inherits QMainWindow):

Qt Code: 
  1. MyClass::MyClass()
  2. {
  3.    ...
  4.    selectLanguage("en");
  5.  
  6.    m_pLabel = new QLabel(tr("User"));
  7.    m_pLabel->show();
  8.  
  9.    ...
  10. }
  11.  
  12. void MyClass::selectLanguage(QString language) {
  13.  
  14.    QString sTranslationFile = QString("texts_%1").arg(language);
  15.  
  16.    QTranslator translator;
  17.    //translator.load(":/translations/" + sTranslationFile);
  18.    translator.load(sTranslationFile, ":/translations/");
  19.  
  20.    if (qApp->installTranslator(&translator))
  21.        qDebug() << "Ok";
  22.  }
  23.  
  24.  void MyClass::changeEvent(QEvent *pEvent)
  25.  {
  26.      if(pEvent)
  27.      {
  28.          switch(pEvent->type())
  29.          {
  30.                case QEvent::LanguageChange:
  31.                   retranslate();
  32.                   break;
  33.          }
  34.      }
  35.  
  36.      QMainWindow::changeEvent(pEvent);
  37.  }
  38.  
  39.  void MyClass::retranslate()
  40.  {
  41.      qDebug() << "retranslate";
  42.  
  43.      if (m_pLabel)
  44.          m_pLabel->setText(tr("User"));
  45.  }
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In 'myProject.pro':

Qt Code: 
  1. ...
  2.  QMAKE_POST_LINK = lrelease.exe myProject.pro
  3.  ...
  4.  RESOURCES += \
  5.      resources/resources.qrc
  6.  
  7.  TRANSLATIONS += resources/translations/texts_en.ts \
  8.                  resources/translations/texts_es.ts
  9.  ...
  10.  DISTFILES += \
  11.       ...
  12.       resources/translations/texts_en.qm \
  13.            resources/translations/texts_es.qm
  14. In 'resources.qrc':
  15.  
  16.  ...
  17.  translations/texts_en.qm
  18.  translations/texts_es.qm
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In 'texts_en.ts':

Qt Code: 
  1. <!DOCTYPE TS><TS>
  2.  <context>
  3.      <name>MyClass</name>
  4.      <message>
  5.          <source>User</source>
  6.          <translation>UserEn</translation>
  7.      </message>
  8.      <message>
  9.          <source>Group</source>
  10.          <translation>GroupEn</translation>
  11.      </message>
  12.  </context>
  13.  </TS>
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Language is loaded ("Ok" appears) and "retranslate" is called, but the label does NOT show "UserEn", but "User"...

I call 'selectLanguage("es")' after a while, but the same...

I hope somebody could help me.

Thanks in advance,

Diego