Re: [Boost-users] boost::signals2::signal - is a "decimated" version available?

Subject: Re: [Boost-users] boost::signals2::signal - is a "decimated" version available?
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2012-05-22 13:29:32

Le 22/05/12 02:01, Chris Stankevitz a écrit :
> Hi,
>
> I'm using boost::signals2::signal to notify a dialog when the state of
> an underlying object has changed.
>
> The signal is sometimes is generated at 100Hz.  Other times it is
> generated at 1Hz.  The dialog provides a "slot" for this signal that
> updates the controls on the screen.  I'd like to limit the "slot rate"
> to 10Hz.  By "slot rate" I mean the rate at which the slot receives
> notification from the signal.  This will prevent the screen updates
> from happening faster than can be seen.
>
> Has this been done already?  If not, I'm going to implement something
> like the pseudocode below.  Currently I'm not sure how I to specify
> "arguments" nor how I am going to specify the function "SlotCallback".
>
Hi,

I don't think this exist in Boost.

I would define instead a functor that takes care of the timing 
constraint. This functor could be use in other contexts, as 
Boost.Signal,  or whatever library requesting callbacks.

Best,
Vicente