Details
-
Type:
Bug
-
Status: Closed
-
Priority:
Not Evaluated
-
Resolution: Done
-
Affects Version/s: 5.3.1
-
Fix Version/s: 5.3.2
-
Component/s: Core: Object Model
-
Labels:None
-
Environment:openSUSE Linux 13.1
-
Commits:Ia546fc8f36e1ea0dd0645bdd820aea47f43677ac
Description
When invoking QObject::disconnect() with a member function pointer for a subclass of the class the signal is defined in, the signal isn't found. While QObject::connectImpl() iterates through the meta objects of superclasses to find the signal, QObject::disconnectImpl() checks only the given meta object itself. Example:
#include <QTcpSocket> int main(int , char **) { QTcpSocket socket; void (QTcpSocket::* socketErrorSignal)(QAbstractSocket::SocketError) = &QTcpSocket::error; QObject::connect(&socket, socketErrorSignal, &socket, &QObject::deleteLater); // ^ succeeds QObject::disconnect(&socket, socketErrorSignal, &socket, &QObject::deleteLater); // ^ fails return 0; }
Attachments
| For Gerrit Dashboard: QTBUG-40638 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 91749,2 | Fix disconnect()ing from signals declared in a base class | dev | qt/qtbase | Status: ABANDONED | -1 | 0 |
| 91831,3 | Fix disconnect()ing from signals declared in a base class | 5.3 | qt/qtbase | Status: MERGED | +2 | 0 |