Rockbox Utility: listen to translation change events.

When changing the language don't require a restart anymore. Instead listen to
the appropriate changeEvent and retranslate the UI. Designer generated UI files
already provide such a function.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30633 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/rbutilqt.cpp

@@ -57,6 +57,8 @@
 #include <windows.h>
 #endif
 
+QList<QTranslator*> RbUtilQt::translators;
+
 RbUtilQt::RbUtilQt(QWidget *parent) : QMainWindow(parent)
 {
     // startup log
@@ -1380,3 +1382,13 @@ void RbUtilQt::downloadUpdateDone(bool error)
     }
 }
 
+
+void RbUtilQt::changeEvent(QEvent *e)
+{
+    if(e->type() == QEvent::LanguageChange) {
+        ui.retranslateUi(this);
+    } else {
+        QMainWindow::changeEvent(e);
+    }
+}
+