//-----In Config.h---------------
#define DECLARE_GETTER_SETTER_SIGNAL(LOWER_CASE_NAME, UPPER_CASE_NAME, TYPE) \
TYPE LOWER_CASE_NAME () const; \
void set##UPPER_CASE_NAME (TYPE);\
Q_SIGNAL void LOWER_CASE_NAME##Changed(TYPE);

//-----In Config.cpp--------------
#define DEFINE_GETTER_AND_SETTER(LOWER_CASE_NAME, UPPER_CASE_NAME, KEY, TYPE, DEFAULT_VALUE, GROUP) \
TYPE Config::LOWER_CASE_NAME () const\
{ \
    return loadProperty<TYPE>(KEY, DEFAULT_VALUE, GROUP); \
}\
void Config::set##UPPER_CASE_NAME (TYPE value) \
{ \
    static QMutex mutex; \
    QMutexLocker locker(&mutex); \
    bool changed = (LOWER_CASE_NAME() != value); \
    if (changed) \
    { \
        saveProperty<TYPE>(#KEY, value, GROUP); \
        emit LOWER_CASE_NAME##Changed(value); \
    } \
}

#define DEFINE_ENUM_GETTER_AND_SETTER(LOWER_CASE_NAME, UPPER_CASE_NAME, KEY, TYPE, DEFAULT_VALUE, GROUP) \
TYPE Config::LOWER_CASE_NAME () const\
{ \
    return static_cast<TYPE>(loadProperty<int>(KEY, static_cast<int>(DEFAULT_VALUE), GROUP)); \
}\
void Config::set##UPPER_CASE_NAME (TYPE value) \
{ \
    static QMutex mutex; \
    QMutexLocker locker(&mutex); \
    bool changed = (LOWER_CASE_NAME() != value); \
    if (changed) \
    { \
        saveProperty<int>(#KEY, static_cast<int>(value), GROUP); \
        emit LOWER_CASE_NAME##Changed(value); \
    } \
}