--- a/src/corelib/kernel/qobject.cpp Tue Feb 02 00:43:10 2010 +0200
+++ b/src/corelib/kernel/qobject.cpp Fri Apr 16 15:50:13 2010 +0300
@@ -1,6 +1,6 @@
/****************************************************************************
**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
@@ -2456,7 +2456,7 @@
If you pass the Qt::UniqueConnection \a type, the connection will only
be made if it is not a duplicate. If there is already a duplicate
(exact same signal to the exact same slot on the same objects),
- the connection will fail and connect will return false
+ the connection will fail and connect will return false.
The optional \a type parameter describes the type of connection
to establish. In particular, it determines whether a particular
@@ -2945,7 +2945,6 @@
return true;
}
-
/*!\internal
*/
bool QMetaObject::disconnect(const QObject *sender, int signal_index,
@@ -2956,12 +2955,27 @@
receiver, method_index);
}
+/*!\internal
+
+Disconnect a single signal connection. If QMetaObject::connect() has been called
+multiple times for the same sender, signal_index, receiver and method_index only
+one of these connections will be removed.
+ */
+bool QMetaObject::disconnectOne(const QObject *sender, int signal_index,
+ const QObject *receiver, int method_index)
+{
+ signal_index = methodIndexToSignalIndex(sender->metaObject(), signal_index);
+ return QMetaObjectPrivate::disconnect(sender, signal_index,
+ receiver, method_index,
+ QMetaObjectPrivate::DisconnectOne);
+}
+
/*! \internal
Helper function to remove the connection from the senders list and setting the receivers to 0
*/
bool QMetaObjectPrivate::disconnectHelper(QObjectPrivate::Connection *c,
const QObject *receiver, int method_index,
- QMutex *senderMutex)
+ QMutex *senderMutex, DisconnectType disconnectType)
{
bool success = false;
while (c) {
@@ -2987,6 +3001,9 @@
c->receiver = 0;
success = true;
+
+ if (disconnectType == DisconnectOne)
+ return success;
}
c = c->nextConnectionList;
}
@@ -2997,7 +3014,8 @@
Same as the QMetaObject::disconnect, but \a signal_index must be the result of QObjectPrivate::signalIndex
*/
bool QMetaObjectPrivate::disconnect(const QObject *sender, int signal_index,
- const QObject *receiver, int method_index)
+ const QObject *receiver, int method_index,
+ DisconnectType disconnectType)
{
if (!sender)
return false;
@@ -3021,7 +3039,7 @@
for (signal_index = -1; signal_index < connectionLists->count(); ++signal_index) {
QObjectPrivate::Connection *c =
(*connectionLists)[signal_index].first;
- if (disconnectHelper(c, receiver, method_index, senderMutex)) {
+ if (disconnectHelper(c, receiver, method_index, senderMutex, disconnectType)) {
success = true;
connectionLists->dirty = true;
}
@@ -3029,7 +3047,7 @@
} else if (signal_index < connectionLists->count()) {
QObjectPrivate::Connection *c =
(*connectionLists)[signal_index].first;
- if (disconnectHelper(c, receiver, method_index, senderMutex)) {
+ if (disconnectHelper(c, receiver, method_index, senderMutex, disconnectType)) {
success = true;
connectionLists->dirty = true;
}