Merge remote-tracking branch 'origin/api_changes'

Change-Id: I964b0a6f5c38351fdfafb8a2a128a349ff8c89d1

1 files changed, 14 insertions, 7 deletions

diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index 3d09d858a3..7b26a01cbf 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -1513,26 +1513,29 @@ void QCoreApplication::quit()
     generated by \l{Qt Designer} provide a \c retranslateUi() function that can be
     called.
 
+    The function returns true on success and false on failure.
+
     \sa removeTranslator() translate() QTranslator::load() {Dynamic Translation}
 */
 
-void QCoreApplication::installTranslator(QTranslator *translationFile)
+bool QCoreApplication::installTranslator(QTranslator *translationFile)
 {
     if (!translationFile)
-        return;
+        return false;
 
     if (!QCoreApplicationPrivate::checkInstance("installTranslator"))
-        return;
+        return false;
     QCoreApplicationPrivate *d = self->d_func();
     d->translators.prepend(translationFile);
 
 #ifndef QT_NO_TRANSLATION_BUILDER
     if (translationFile->isEmpty())
-        return;
+        return false;
 #endif
 
     QEvent ev(QEvent::LanguageChange);
     QCoreApplication::sendEvent(self, &ev);
+    return true;
 }
 
 /*!
@@ -1540,20 +1543,24 @@ void QCoreApplication::installTranslator(QTranslator *translationFile)
     translation files used by this application. (It does not delete the
     translation file from the file system.)
 
+    The function returns true on success and false on failure.
+
     \sa installTranslator() translate(), QObject::tr()
 */
 
-void QCoreApplication::removeTranslator(QTranslator *translationFile)
+bool QCoreApplication::removeTranslator(QTranslator *translationFile)
 {
     if (!translationFile)
-        return;
+        return false;
     if (!QCoreApplicationPrivate::checkInstance("removeTranslator"))
-        return;
+        return false;
     QCoreApplicationPrivate *d = self->d_func();
     if (d->translators.removeAll(translationFile) && !self->closingDown()) {
         QEvent ev(QEvent::LanguageChange);
         QCoreApplication::sendEvent(self, &ev);
+        return true;
     }
+    return false;
 }
 
 static void replacePercentN(QString *result, int n)