星尘的天空

摘要： tr()The tr() function calls around the string literals mark them for translation to other languages. The function is declared in QObject and every subclass that contains the Q_OBJECT macro. It's a good habit to surround user-visible strings with tr(), even if you don't have immediate plans f 阅读全文

摘要： QT中的关键字signalsThe signals keyword is actually a macro. The C++ preprocessor converts it into standard C++ before the compiler sees it.THE END!2012年12月27日 阅读全文

摘要： Q_OBJECTThe Q_OBJECT macro at the beginning of the class definition is necessary for all classes that define signals or slots.THE END!2012年12月27日 阅读全文