[solved] Translation context vs namespaces

[AlGaN]

Hello,

I have created namespaces for my modules in my project so that every sub module lives in its own namespace. Eg for the viewer classes I created the namespace ViewerUI like this in class MainWindow:

#include <QMainWindow>
 
namespace SubModule1
{
    class HelperClass1
}
namespace SubModule2
{
    class HelperClass2;
}
 
namespace ViewerUI
{
    class MainWindow : public QMainWindow
    {
    public:
        MainWindow(int argc, char* argv[]);
 
        ~MainWindiw();
 
        [...]
 
        void setHelperClass1(const SubModule1::HelperClass1* hc);
 
        [...]
    private:
        HelperClass1* mHelperClass;
    };
}

#include <QMainWindow>

namespace SubModule1
{
    class HelperClass1
}
namespace SubModule2
{
    class HelperClass2;
}

namespace ViewerUI
{
    class MainWindow : public QMainWindow
    {
    public:
        MainWindow(int argc, char* argv[]);

        ~MainWindiw();
        
        [...]

        void setHelperClass1(const SubModule1::HelperClass1* hc);
        
        [...]
    private:
        HelperClass1* mHelperClass;
    };
}

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Using this namespace in cpp file:

#include "MainWindow.h"
 
namespace ViewerUI
{
    using SubModule1::HelperClass1;
 
    MainWindow::MainWindiw(int argc, char* argv[]) : QMainWindiw(argc, argv)
    {
        [...]
        QTranslator* t = new QTranslator(this);
        t->load(":/Viewer_de");
        installTranslator(translator);
        [...]
    }
 
    [...]
    void setHelperClass1(const SubModule1::HelperClass1* hc)
    {
        mHelperClass = hc;
        QString t = tr("Test output should be translated here!");
    }
    [...]
}

#include "MainWindow.h"

namespace ViewerUI
{
    using SubModule1::HelperClass1;

    MainWindow::MainWindiw(int argc, char* argv[]) : QMainWindiw(argc, argv)
    {
        [...]
        QTranslator* t = new QTranslator(this);
        t->load(":/Viewer_de");
        installTranslator(translator);
        [...]
    }

    [...]
    void setHelperClass1(const SubModule1::HelperClass1* hc)
    {
        mHelperClass = hc;
        QString t = tr("Test output should be translated here!");
    }
    [...]
}

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Installing the created translator in constructor of MainWindow class without namespaces results in translation of strings enclosed with tr() macro. But if I use namespaces, strings are no more translated to german.

In assistant docs to QObject there is an issue of so called translation contexts, using Q_OBJECT in a class derived from QObject results in setting the translation context to the name of the subclass? Don't understand this. I want to have translated strings everywhere in the project not just in main window class.

Any hints & help appreciated,
AlGaN

Edit: Ok, not to mind anymore, a new lupdate execution collected the translatable strings in a new translation context containing namespaces and classes. Thanks & Greetiongs
AlGaN