Russian Qt Forum

QString aaa = QObject::tr(QT_TR_NOOP("Hello"));

int MainFunc( int argc, char *argv[] )
{
	QApplication app(argc, argv);

	QTranslator translator;
	bool is = translator.load("appcenter_ru.qm", app.applicationDirPath());
	QApplication::installTranslator(&translator);

	QLabel lbl(aaa);
	lbl.show();

	return app.exec();
}

QString aaa;

void initdd()
{
	aaa = QObject::tr("Hello");
}

int MainFunc( int argc, char *argv[] )
{
	QApplication app(argc, argv);

	DDDDD ddd(&app);
	initdd();

	QPushButton button(aaa);
	bool c1 = QObject::connect(&button, SIGNAL(pressed()), &ddd, SLOT(ChangeLang()));
	button.show();

	return app.exec();
}

class DDDDD : public QObject
{
	Q_OBJECT

public:
	DDDDD(QObject *parent = 0);
	DDDDD(QApplication* app_);
	~DDDDD();

public slots:
	void ChangeLang();

private:
	QTranslator translator;
	QApplication* app;
};

void DDDDD::ChangeLang()
{
	bool is = translator.load("appcenter_ru.qm", app->applicationDirPath());
	app->installTranslator(&translator);
}