title: How to put a static text (postfix, prefix) in QLineEdit?
body: <p>How can I put a static text in <a href="http://qt-project.org/doc/qt-5/qlineedit.html" rel="nofollow">QLineEdit</a> in Qt C++ so that it can not be deleted and when I write to QLineEdit, it should not be spaced. </p>