From kde-core-devel  Mon Jul 31 07:05:10 2000
From: Matthias Ettrich <ettrich () trolltech ! com>
Date: Mon, 31 Jul 2000 07:05:10 +0000
To: kde-core-devel
Subject: Re: Signals/slots via DCOP
X-MARC-Message: https://marc.info/?l=kde-core-devel&m=96502699619435

> >
> > Any reasons for that that I'm overlooking?
> 
> No not really. Basically the reason is that the DCOPClient/Server don't seem 
> to know the concept of "sending object", I didn't want to introduce it.
> 
> I agree that App/Obj/Signal <-> App/Obj/Slot is more generic so it might be a 
> good idea to expand it to that.
> 
> Implementation wise, I think the sending-object could simply be an extra 
> constraint that needs to be satisfied when delivering the signal.

agree.

> 
> Automatically disconnecting the signal when the sending object destructs 
> needs some attention. The dcop-server doesn't know about the lifetime of 
> objects, so the objects themselves should make sure to disconnect any 
> signals. Actually, I don't think that connections are currently removed 
> when a receiving-object destructs, so I guess both these issues should be 
> addressed in one go.

Agree. DCOPObject needs a bitflag "hasConnections" or better a connection
counter In its destructor, it currently removes itself from the objectMap
only. It has to cleanaup connections as well if there are any.

Will you go for it? I'm a bit short of time currently and I rather want to
empty kwin's buglist.

Matthias



> 
> Cheers,
> Waldo
> -- 
> Make way, KDE/Linux is coming to a desktop near you!