diff options
Diffstat (limited to 'src/corelib/kernel')
| -rw-r--r-- | src/corelib/kernel/qmetaobject.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/corelib/kernel/qmetaobject.cpp b/src/corelib/kernel/qmetaobject.cpp index b581be821b..00d20d9300 100644 --- a/src/corelib/kernel/qmetaobject.cpp +++ b/src/corelib/kernel/qmetaobject.cpp @@ -1854,7 +1854,10 @@ const char *QMetaMethod::typeName() const way in the function declaration: \code - #define THISISTESTTAG // tag text + #ifndef Q_MOC_RUN + // define the tag text + # define THISISTESTTAG + #endif ... private slots: THISISTESTTAG void testFunc(); @@ -1871,8 +1874,13 @@ const char *QMetaMethod::typeName() const qDebug() << mm.tag(); // prints THISISTESTTAG \endcode - For the moment, - \c moc doesn't support any special tags. + For the moment, \c moc will extract and record all tags, but it will not + handle any of them specially. + + \note Since Qt 5.0, \c moc expands preprocessor macros, so it is necessary + to surround the definition with \c #ifndef \c Q_MOC_RUN, as shown in the + example above. This was not required in Qt 4. The code as shown above works + with Qt 4 too. */ const char *QMetaMethod::tag() const { |