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29 lis 2016 · 1. Add translations to the project. At first you have to prepare your app for translation by marking strings which you want to translate: tr () In your qmake project file, the following variable TRANSLATIONS has to be added and must contain all language files you want to create initially.
QTranslator provides functions to look up translations in a translation file. Translation files are created using Qt Linguist . The most common use of QTranslator is to: load a translation file, and install it using QCoreApplication::installTranslator ().
You open translation source (TS) files in Qt Linguist for translation. TS files are human-readable XML files containing source phrases and their translations. TS files are usually created and updated by lupdate. If you do not have a TS file, see Release Manager to learn how to generate one.
When Qt's translation tool, lupdate, is used to process a set of source files, the text wrapped in tr() calls is stored in a section of the translation file that corresponds to its translation context.
How to do translations with Qt Linguist. In this video, I will be showing you how to set up your Qt application ready for translation with the use of Qt Linguist. We'll also cover the actual translation with Qt Linguist and how to utilize the translation files in your application.
You create the language files (.ts), which you translate by using the tool Qt Linguist. linguist languages/TranslationExample_en.ts languages/TranslationExample_de.ts After doing this, you call lrelease to create the binary language files (.qm): lrelease TranslationExample.pro
Use Qt lupdate to auto-generate your inital ts files. From Qt Creator menu select: Tools > External > Linguist > Update Translations (lupdate) For each <message> found in each TSL file translate the <source> text and paste into <translation>.
