Re: OptionMenu width ?

Bo Lorentsen wrote:

> When making a new GtkWidget type (done once per Widget, yes !) inti 
> connects a static proxy function from the WidgetClass. This will just 
> call the default Gtk handler if a signal is imitted, but before that, 
> it will test if a WidgetSignal class is part of the Widget class by 
> doing a dynamic_cast. That dynamic cast will be performed regardless 
> of the presence of the WidgetSignals class, and this is somewhat costy.
>
> The only way to prevent this is either to remove the dynamic_cast, or 
> to attach the widget signal handlers only when needed (like in the 
> WidgetSignal constructor). The problem in this is that the user NEED 
> to be aware of this, when making his own derived classes.

OK. I see your point. I'll give this some more thought...

Jeff Franks.


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