In addition to the Latin alphabet used for English and for many European languages, Qt 4 also provides extensive support for the rest of the world’s writing systems:
Qt uses Unicode throughout the API and internally. No matter what language we use for the user interface, the application can support all users alike.
Qt’s text engine can handle all the major non-Latin writing systems, including Arabic, Chinese, Cyrillic, Hebrew, Japanese, Korean, Thai, and the Indic languages.
Qt’s layout engine supports right-to-left ...