[Qt-interest] Synchronous signals, is that possible?

[R. Reucher]

On Sun February 15 2009 15:57:39 R. Reucher wrote:
> On Sun February 15 2009 14:28:51 Andrea Franceschini wrote:
> > The dilemma is that I really love the elegance and logical abstraction
> > provided by signals and slots and, unless there's a way to make them
> > work in a synchronous fashion, I'll have to directly pass the pointers
> > to my application, and that's frankly quite ugly.
> >
> > Ideas?
>
> You could use a "directly connected" signal instead.
>
> Qt::DirectConnection:
> When emitted, the signal is immediately delivered to the slot.
>
> See
> http://doc.trolltech.com/4.4/qobject.html#connect
> http://doc.trolltech.com/4.4/qt.html#ConnectionType-enum
Hmmm, reading what Qt::AutoConnection means I now see that when the sender 
thread is the same as the reciever thread, this should already be the 
default... so it would only change the situation on multi-threaded apps. And 
it's questionable if "immediatly" in fact means "synchronously" anyway.
-- 
René Reucher
rene.reucher at batcom-it.net
http://www.batcom-it.net/

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