From kde-devel  Mon Feb 12 17:48:40 2007
From: Thiago Macieira <thiago () kde ! org>
Date: Mon, 12 Feb 2007 17:48:40 +0000
To: kde-devel
Subject: Re: [Semi-OT] How to get a dbus array of dbus_object_path from a
Message-Id: <200702121848.41136.thiago () kde ! org>
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Iv=E1n Forcada Atienza wrote:
>I'm trying to get the response from a dbus call using qt4 dbus module.
>I'm able to get a QString reply without problems, but the problems
>arrive when this reply is an aggregation of a primitive type (not
>QStringList).
>
>For example, if I want to get this:

>ivan@masao:~$ dbus-send --system --print-reply --reply-timeout=3D2000
> --type=3Dmethod_call --dest=3Dorg.freedesktop.NetworkManager
> /org/freedesktop/NetworkManager
> +org.freedesktop.NetworkManager.getDevices

>method return sender=3D:1.2 -> dest=3D:1.28
>   array [
>      object path "/org/freedesktop/NetworkManager/Devices/ath0"
>   ]
>
>I code the following:
>
>QDBusConnection bus =3D QDBusConnection::systemBus();
>QDBusInterface dbus_iface(
>                        "org.freedesktop.NetworkManager",
>                        "/org/freedesktop/NetworkManager",
>                        "org.freedesktop.NetworkManager", bus);
>QDBusReply<QStringList> reply =3D dbus_iface.call("getDevices");

Stop. That's not the correct reply type.

You can see from the reply above that it's an array of object paths, not=20
an array of strings. So you can't use a QStringList. Please use=20
QList<QDBusObjectPath>.

>... but I always get:
>Error:  "Unexpected reply signature" (
> "org.freedesktop.DBus.Error.InvalidSignature" )
>
>
>It seems that the problem is that call() method is not returning a
> QStringList DBusReply. So I've changed it to QDBusVariant, QString,
> QDBusObjectPath ... but no success.

QList<QDBusObjectPath>.

Unless that method is a QVariantList in disguise. I am not sure.

=2D-=20
=A0 Thiago Macieira =A0- =A0thiago (AT) macieira.info - thiago (AT) kde.org
=A0 =A0 PGP/GPG: 0x6EF45358; fingerprint:
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