Can I use the wApp->bind() mechanism to bind a method that needs an argument?
For example, the SimpleChatServer example does NOT use wApp->bind() when it
registers a callback:
if (server_.connect
(this, boost::bind(&SimpleChatWidget::processChatEvent, this, _1)))
even though it uses WServer::post()
server_.post(i->second.sessionId,
boost::bind(i->second.eventCallback, event));
On Nov 12, 2012, at 9:08 AM, Koen Deforche wrote:
> Hey Rob,
>
> 2012/11/12 Rob Van Dyck <[email protected]>:
>> Hi,
>>
>> Since the post+bind normally happens outside the wt thread, is there a way
>> to know the wApp is not yet deleted when you do the binding? For example,
>> can you ask the WServer using the sessionid?
>
> So, yes, actually you need to bind within the event loop, and this
> function is "exported" for a call (usually later) to WServer::post()
>
> Thus:
>
> // Within event loop
> boost::function< void()> function =
> wApp->bind(boost::bind(WWidget::hide, text));
> std::string sessionId = wApp->sessionId();
>
> // Later ...
> WServer::instance()->post(sessionId, function);
>
> Regards,
> koen
>
> PS post scriptum post datum congratulations with the expansion !
>
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