Re: [Boost-users] [Signals] Relationships to other libraries and terms

From: Will Watts (willw_at_[hidden])
Date: 2006-08-22 05:58:17

In article <ecdar7$jm5$1_at_[hidden]>, Scott Meyers wrote:
> Also, does anybody know where the name "slot" comes from in this context?
> I've found this term to be a stumbling block for trying to understand this
> stuff.

Don't know if it is the first use of the term, but it has for many years been 
used by the Qt GUI library (the basis of KDE). Qt uses a custom C++ 
preprocessor to generate event-handling code, which treats 'signals', 'slots' 
and 'emit' as keywords.

http://doc.trolltech.com/3.3/signalsandslots.html
http://doc.trolltech.com/3.3/templates.html

Will Watts