On Mon, 2005-09-26 at 10:25 +0400, Andrew E. Makeev wrote: > Timothy M. Shead wrote: > > >I'm wondering if anyone has come across a way to handle signal "loops" - > >that is to say, if signal A is connected to signal B, and B to A, is > >there any way to prevent emission of either from entering an infinite > >loop? I tried creating a custom accumulator, but discovered that a new > >instance of the accumulator is created every time emit() is called. I > >know it sounds crazy, but I'd like to find a way to see that every > >signal in a given loop gets called, then the loop is broken. > > > > > > > > > Try static member for accumulator class, and increase it in each signal > callback, so, when you hit "odd" number, for example, stop the signal > emission with accumulator return state. > Guess, that's clear.
Seems like I could use this to impose an arbitrary limit on the number of emissions that take place, and thus prevent infinite loops, but I would have know way of knowing whether I'd hit every signal once-and-only-once, or whether I terminated too soon ... unless I'm missing something? Many thanks, Tim _______________________________________________ libsigc-list mailing list libsigc-list@gnome.org http://mail.gnome.org/mailman/listinfo/libsigc-list
