Vladimir Prus wrote:

Simon Buchan wrote:

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Vladimir Prus wrote:

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Hi, just came across this blog post:

http://scottcollins.net/blog/2005/09/question-for-other-boost-users.html

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It's from a person affiliated with Trolltech (makers of Qt), and raises a question how Boost.Signals and Qt can be made to better work together.

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See Boost.Signals FAQ #3:

3. How do I get Boost.Signals to work with Qt? When building with Qt, the Moc keywords signals and slots are defined using preprocessor macros, causing programs using Boost.Signals and Qt together to fail to compile.

Note that the author of the blog post explicitly mentions this FAQ item. Did you read the post at all?

- Volodya

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Actually, he mentions a sentence inside the FAQ, and seems to ignore the rest of it. Did you notice that the FAQ Item was explicitly about working with Qt? And that the library is carefully designed to not be clobbered by the Qt preprocceser? (signals is only used for the namespace name, and slot(s) is never used, only slot_type). Simply put '#define BOOST_SIGNALS_NAMESPACE whatever' before '#include <boost/signal.hpp>' and everything works nicely.

Vladimir Prus wrote:

Simon Buchan wrote:

[ snip 34 quoted lines, of which only 2 are important]

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Note that the author of the blog post explicitly mentions this FAQ item. Did you read the post at all?

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Actually, he mentions a sentence inside the FAQ, and seems to ignore the rest of it. Did you notice that the FAQ Item was explicitly about working with Qt? And that the library is carefully designed to not be clobbered by the Qt preprocceser? (signals is only used for the namespace name, and slot(s) is never used, only slot_type). Simply put '#define BOOST_SIGNALS_NAMESPACE whatever' before '#include <boost/signal.hpp>' and everything works nicely.

I would not call this "nicely", that's more "klugely". What if I happen to write a library which used boost::signals in headers? Do you suggest me to use

class My { public: boost::BOOST_SIGNALS_NAMESPACE::signal<.....> on_whatever; };

? Do you mean that the current situation is optimal, and any attempts on improving it are just wasting time?

- Volodya

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Are you serious? You're writing a library! You think someone might use it with Qt! Yes, dumbass, you SHOULD do that! Take a look at some of the boost headers (esp. functional, lambda, bind) and THEN bitch about how hard it is to write a library. If it hurts your poor fingers (or eyes), put this somewhere useful (ie. detail namespace): namespace whatever = ::boost::BOOST_SIGNALS_NAMESPACE;

Are you serious? You're writing a library! You think someone might use it with Qt! Yes, dumbass, you SHOULD do that! Take a look at some of the boost headers (esp. functional, lambda, bind) and THEN bitch about how hard it is to write a library. If it hurts your poor fingers (or eyes), put this somewhere useful (ie. detail namespace): namespace whatever = ::boost::BOOST_SIGNALS_NAMESPACE;

Simon, your reply and use of language is way out of order, as is your habit of excessively quoting all of the message including signatures and other completely irrelevant chaff. Please take a look at our posting guidelines (http://www.boost.org/more/discussion_policy.htm) and adjust your behaviour accordingly. With Boost Moderator Hat On, Yours, John Maddock.