RE: any policy for foo_new() return types?

["Srinivasan, Rajagopalan (IndSys, SalemVA)" <Rajagopalan Srinivasan indsys ge com>]

One of the reasons I use Ada and the GtkAda
binding...........................

srini

> -----Original Message-----
> From: Mark Leisher [mailto:mleisher crl nmsu edu]
> Sent: Wednesday, November 22, 2000 10:24 AM
> To: Stefan Rieken
> Cc: gtk-list gnome org
> Subject: Re: any policy for foo_new() return types?
> 
> 
> 
>     Stefan> I believe that it's common policy to return a 
> GtkWidget* if this
>     Stefan> is available in the ancestry, and otherwise fall back to a
>     Stefan> GtkObject -- but why this policy, anyway? And why 
> do some of the
>     Stefan> above examples draw away from this policy?
> 
> I really like GTK (but don't use GNOME).  After many years of 
> using the
> Intrinsics, I got used to object creation calls all returning 
> Widget*, and all
> widget-related functions taking Widget* arguments, leaving 
> the functions to
> check for valid subclasses instead of the programmer doing it 
> explicitly.
> 
> Though I find some of these differences mildly annoying, 
> these are minor
> because GTK is very usable in just about all other respects.
> 
> My guess is that the differing return types were done as a matter of
> convenience at one point and never quite got fixed to meet policy.
> --------------------------------------------------------------
> ---------------
> Mark Leisher
> Computing Research Lab            Cinema, radio, television, 
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> New Mexico State University       school of inattention: 
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> 
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