Re: [Fxruby-users] Message Identifiers, Types, etc again.

[Sander J. <sa...@kn...>]

On Friday 13 June 2003 07:44 am, Hugh Sasse Staff Elec Eng wrote:
> Just when I thought I was no longer confused about this:
>
> On Thu, 12 Jun 2003, Hugh Sasse Staff Elec Eng wrote:
> > OK, reading this in conjunction with paragraphs 3 and 4 of
> >
> > http://www.fox-toolkit.org/messages.html
> >
> > it seems that message_id is actually the sender of the message, and
> > message type is actually the message itself (not counting associated
> > data).  I would have called the message itself the message_id,
>
> Well, it is not as simple as that.  The FXRuby API docs for
> FXShutter, FXShutterItem, FXScrollbar and FXList at least refer to
> Message Identifiers which are constants, and are not names of the
> originating objects.  So should these be called Message Types for
> consitency with other FOX docs, or what?
>
>         Hugh

a message consists of a type and a id. Sometimes called the selector.

In C++ we have the following macros to get the type and id from a selector:

FXSELTYPE(selector)
FXSELID(selector)

In constructors of widgets, you normally have to input a target and selector. 
In that case, the selector is only the ID. Its still named this way because 
of historically reasons.  Also "getSelector" would give you back the ID.

	Sander





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