[PyQt] Function pointers and SIP
rasky at develer.com
Fri Jun 19 02:27:02 BST 2009
On gio, 2009-06-18 at 19:01 +0100, Phil Thompson wrote:
> On Thu, 18 Jun 2009 19:40:08 +0200, Giovanni Bajo <rasky at develer.com>
> > Hi Phil,
> > given a C++ object where you can register callbacks such as:
> > void registerCallback(void (*cb)(void*), void* user_data);
> > or
> > void registerCallback(std::tr1::function<void (void)> cb);
> > how would you wrap them in SIP? Is there some code in PyQt that I can
> > look at?
> I think you answered this yourself a couple of weeks back.
I had a general idea of course, but I wanted to make sure there was not
automa[tg]ic support by SIP which I wasn't aware of.
> The nearest example in PyQt is probably qInstallMsgHandler().
Thanks. Why the internal qtcore_MsgHandler uses
SIP_BLOCK_THREAD/SIP_UNBLOCK_THREADS? Is that always needed or only if I
have previously explicitly released the GIL?
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