#include <QtCore/qsignalmapper.h> #ifndef QSIGNALMAPPER_H #ifndef QT_NO_SIGNALMAPPER class QSignalMapper: public QObject{ /* Some contents are skipped to improve readability */ public: explicit QSignalMapper(class QObject* parent = 0); /* ... */ }; #endif // QT_NO_SIGNALMAPPER #endif // QSIGNALMAPPER_H