Qt/translations

Revision as of 16:35, 11 June 2012

Include QTranslator:

#include <QTranslator>

and wrap any strings with the QApplication::translate() or the QObject::tr() function:

QString message = app->translate("Message displayed while the system is loading", "Loading, Please Wait...");

First, add each language file to the TRANSLATIONS variable:

TRANSLATIONS = myApp_en.ts \
               myApp_fr.ts

Run lupdate on the project:

lupdate myApp.pro

Provide the translations:

linguist *.ts

Release the translations:

lrelease myApp.pro

@@ Line 5: / Line 5: @@
 </source>
-and wrap any strings with the <code>QT_TR_NOOP()</code> macro, the <code>QT_TRANSLATE_NOOP()</code> macro or using the <code>tr()</code> function of <code>QOBJECT</code>:
+and wrap any strings with the <code>QApplication::translate()</code> or the <code>QObject::tr()</code> function:
 <source lang="cpp">
-QString mystr = QString(QT_TR_NOOP("Loading, Please Wait..."));
+QString message = app->translate("Message displayed while the system is loading", "Loading, Please Wait...");
-</source>
-<source lang="cpp">
-QString mystr = QString(QT_TRANSLATE_NOOP("Message displayed while the system is loading", "Loading, Please Wait..."));
 </source>