diff options
Diffstat (limited to 'src/corelib/global')
| -rw-r--r-- | src/corelib/global/qnamespace.qdoc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc index f157190591..02342599a2 100644 --- a/src/corelib/global/qnamespace.qdoc +++ b/src/corelib/global/qnamespace.qdoc @@ -523,11 +523,11 @@ application to deadlock. \value UniqueConnection - Same as AutoConnection, but the connection is made only if - it does not duplicate an existing connection. i.e., if the - same signal is already connected to the same slot for the - same pair of objects, then the connection will fail. This - connection type was introduced in Qt 4.6. + This is a flag that can be combined with any one of the above + connection types, using a bitwise OR. When Qt::UniqueConnection is + set, QObject::connect() will fail if the connection already exists + (i.e. if the same signal is already connected to the same slot + for the same pair of objects). This flag was introduced in Qt 4.6. With queued connections, the parameters must be of types that are known to Qt's meta-object system, because Qt needs to copy the |