Re: [Boost-users] HOWTO: Connect Boost Signals & Slots to Qt Signals & Slots

Subject: Re: [Boost-users] HOWTO: Connect Boost Signals & Slots to Qt Signals & Slots
From: John Adamson (john_at_[hidden])
Date: 2013-04-23 11:55:06

Hi Jeff,

I wouldn't recommend that!  Q_EMIT is the alternative macro for the 'emit'
keyword.  You need to define QT_NO_KEYWORDS to work with Boost.Signals, but
that prevents the use of the 'emit' keyword.

Please read the short section:
http://www.oxforddynamics.com/articles/connect_qt_and_boost_signals_and_slots.html#prerequisite-qt-no-keywords

John

On 23 April 2013 17:48, Jeff Flinn <Jeffrey.Flinn_at_[hidden]> wrote:

> On 4/22/2013 4:27 AM, John Adamson wrote:
>
>>
>>           Hello everyone,
>>
>>           Please find the first in a series of articles here:
>>
>>
>>           http://www.oxforddynamics.com/**articles/connect_qt_and_boost_*
>> *signals_and_slots.html<http://www.oxforddynamics.com/articles/connect_qt_and_boost_signals_and_slots.html>
>>
>>
>>           I hope it will be of use!
>>
>>
>> Moderators: is this type of post is acceptable or not?  Please let me
>> know if it isn't and I won't post Boost related HOWTOs here again.
>>
>
> I haven't compiled the examples, but in my Qt4.8.4 implementation at 52 of
> qobjectdefs.h I see:
>
> #define Q_EMIT
>
> So what effect does it have in the below code?
>
>     lib_ptr_->signal_1.connect( boost::bind( &Ui::Q_EMIT slot1
>                                            , this
>                                            )
>                               );
>
> Thanks, Jeff
>
>
>
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>