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Doc: Add info about QDBusConnection::ExportChildObjects 

Child objects need QObject::objectName.

Fixes: QTBUG-17740
Change-Id: Iebf8bcd7252f8a441d7c265aae3d4dd81b3cfa54
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>
bb10
Leena Miettinen 2019-10-02 12:05:32 +02:00
parent 56029e1e98
commit 0c1d23db7b
1 changed files with 10 additions and 2 deletions
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12
src/dbus/qdbusconnection.cpp
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@ -870,8 +870,12 @@ bool QDBusConnection::disconnect(const QString &service, const QString &path, co
This function does not replace existing objects: if there is already an object registered at
path \a path, this function will return false. Use unregisterObject() to unregister it first.
The ExportChildObjects flag exports child objects on D-Bus based on the
path of the registered objects and the QObject::objectName of the child.
Therefore, it is important for the child object to have an object name.
You cannot register an object as a child object of an object that
was registered with QDBusConnection::ExportChildObjects.
was registered with ExportChildObjects.
*/
bool QDBusConnection::registerObject(const QString &path, QObject *object, RegisterOptions options)
{
@ -890,8 +894,12 @@ bool QDBusConnection::registerObject(const QString &path, QObject *object, Regis
This function does not replace existing objects: if there is already an object registered at
path \a path, this function will return false. Use unregisterObject() to unregister it first.
The ExportChildObjects flag exports child objects on D-Bus based on the
path of the registered objects and the QObject::objectName of the child.
Therefore, it is important for the child object to have an object name.
You cannot register an object as a child object of an object that
was registered with QDBusConnection::ExportChildObjects.
was registered with ExportChildObjects.
*/
bool QDBusConnection::registerObject(const QString &path, const QString &interface, QObject *object, RegisterOptions options)
{