El dimarts, 16 d’agost de 2016, a les 10:55:46 CEST, Aditya Sharma va escriure: > On Tue, Aug 16, 2016 at 2:53 AM, Albert Astals Cid <aa...@kde.org> wrote: > > El dimecres, 10 d’agost de 2016, a les 23:00:19 CEST, Aditya Sharma va > > > > escriure: > > > Hey ! > > > > > > I'm trying to pass a QVariantMap as a D-Bus signal parameter so that the > > > intended application gets the updated data every time that signal is > > > emitted. > > > > Do you have a branch/repository or sample code where this happens? Much > > easier > > to debug if the code is ready for tetsing than if we have to re-create the > > problem scenario you have from scratch. > > Yes. Just try to make/compile the "devel" branch of this repository: > https://github.com/g33kyaditya/KDE-Now > That should give you the error I am talking about.
You seem to have stumbled upon https://bugreports.qt.io/browse/QTBUG-21577 Seems you'll either have to refactor your code or fix Qt. Cheers, Albert > > > Thanks > Aditya > > > Cheers, > > > > Albert > > > > > I have a class A, in which I have a Q_SIGNAL, as: > > > > > > void update(QVariantMap map) > > > > > > Inside CMakeLists.txt, I call qt5_generate_dbus_interface with OPTIONS > > > > -M -S > > > > > The generated XML snippet is something like this :- > > > > > > <signal name="update"> > > > > > > <arg name="map" type="a{sv}" direction="out"/> > > > <annotation name="org.qtproject.QtDBus.QtTypeName.Out0" > > > > > > value="QVariantMap"/> > > > > > > > > > Further in CMake, I do a qt5_add_dbus_adaptor on the generated xml file. > > > > On > > > > > compilation, I get the following error although (and make fails): > > > > > > " You should add <annotation name="org.qtproject.QtDBus.QtTypeName.In0" > > > value="<type>"/> to the XML description " > > > > > > > > > (Notice the In0 and Out0 in the two annotations) > > > > > > > > > Now, I proceeded and did what the compilation error said, and changed > > > the > > > annotation accordingly in the signal. And everything worked. > > > > > > Does anyone have an idea, what's happening ? And why it's happening ? > > > Should I just use this xml file as such, instead of generating it during > > > make ? > > > > > > > > > Thanks > > > Aditya