[Interest] Dynamic translation

Rainer Wiesenfarth Rainer_Wiesenfarth at Trimble.com
Mon Jul 27 10:00:53 CEST 2015

From: Graham Labdon
> My system maintains a system log which we require to be in English.
> Some of the strings used to log messages are also used to present
> to the user in the selected language

We had the same problem and solved it by implementing a special message
class that contains two QStrings, one translated, one original.  The
application then may decide which version of the message it needs. This
works, although creating a message looks awful:

  ICMessage( "Context", QT_TRANSLATE_NOOP( "Context", "EnglishMessage" ) );

The constructor uses code similar to

  m_original = text;
  m_localized = QCoreApplication::translate( context, text );

Unfortunately you cannot define a macro for the constructor QT_TRANSLATE
stuff, as lupdate would not find the strings :-(

Best Regards / Mit freundlichen Grüßen
Rainer Wiesenfarth

Software Engineer | Trimble Geospatial
Rotebühlstraße 81 | 70178 Stuttgart | Germany
Office +49 711 22881 0 | Fax +49 711 22881 11
http://www.trimble.com/geospatial/ | http://www.inpho.de/

Trimble Germany GmbH, Am Prime Parc 11, 65479 Raunheim
Eingetragen beim Amtsgericht Darmstadt unter HRB 83893,
Geschäftsführer: Dr. Frank Heimberg, Hans-Jürgen Gebauer 
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