authentication 0 0 311 231 Tracker authentication 39 39 16777215 39 75 true Tracker authentication 75 true Tracker: 220 0 Login Username: lineUsername 68 0 Password: linePasswd QLineEdit::Password Qt::Horizontal 40 20 Log in Cancel Qt::Horizontal 40 20 cancelButton clicked() authentication reject() 245 195 179 230 linePasswd returnPressed() loginButton click() 139 158 122 199 lineUsername returnPressed() linePasswd setFocus() 199 130 198 157