Re: Problem with gdk crossing mode

[Paolo Molaro <lupus ximian com>]

On 05/08/01 Dov Grobgeld wrote:
> I found one problem that caused the Gtk Perl extension to croak and
> die with the following error message:
>
>     Invalid value 32 for GdkCrossingMode
>     
> The strange thing is that this problem happened only on one specific
> configuration of a Sun computer after I had run some other program.
> It happened when I tried to drag an object on the Gnome Canvas.
>
> I managed to workaround this problem with no visible side effects
> by applying the following ugly patch in Gtk/GdkTypes.c :
>
> <  hv_store(h, "mode", 4, newSVGdkCrossingMode(e->crossing.mode), 0);
> >  hv_store(h, "mode", 4, newSVGdkCrossingMode(e->crossing.mode%3), 0);
>
> This is obviously not the way to do it... The real problem is that
> gdk returned a crossing mode that is outside its enum range. Why
> did this happen? And what is the proper perl way of dealing with
> this?

I worked around the problem in the binding in a general way by
returning undef when a value for an enumeration is not registerd.
The real problem should be fixed in Gdk, though as other language
bindings will be probably bitten, too.

lupus

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