diff options
| author | Olivier Goffart <ogoffart@woboq.com> | 2012-04-24 15:01:47 +0200 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-05-02 10:59:41 +0200 |
| commit | bcd477e0bc48bb028193d7707d1ecfbd61b5bdc1 (patch) | |
| tree | 5b34c02f76c4e9c8b3aeb7eec6fc69ac3b864e24 /src/corelib/kernel/qobject.h | |
| parent | ade888860334d207f5f070b0bc9c4c98deaf3862 (diff) | |
Introduce QObject::isSignalConnected(QMetaMethod)
This is much more performant than calling QObject::receivers(const char*)
Can be used instead of connectNotify in some cases.
Change-Id: I19e0933f678f171f515d9a0f69f0ad4fb7d894b4
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>
Diffstat (limited to 'src/corelib/kernel/qobject.h')
| -rw-r--r-- | src/corelib/kernel/qobject.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h index d840d9184f..5e969d67f6 100644 --- a/src/corelib/kernel/qobject.h +++ b/src/corelib/kernel/qobject.h @@ -365,6 +365,7 @@ protected: QObject *sender() const; int senderSignalIndex() const; int receivers(const char* signal) const; + bool isSignalConnected(const QMetaMethod &signal) const; virtual void timerEvent(QTimerEvent *); virtual void childEvent(QChildEvent *); |