[mcclim-devel] dragging-output and patterns

Stas Boukarev stassats at gmail.com
Thu Apr 16 01:51:26 UTC 2009

On Wed, Apr 15, 2009 at 9:20 PM, Stas Boukarev <stassats at gmail.com> wrote:
> The attached file demonstrates the following behaviour:
> * When dragging over a pattern, pattern becomes distorted.
> * When dragging over a circle it is ok.
> And sometimes I get the following error, backtrace shows that it's signaled while
> There is no applicable method for the generic function:
> when called with arguments:
>  (NIL)
And that's because it's getting called with the result of
`port-pointer-sheet' function, which sometimes returns nil. And I also
found the following commentary: "XXX Should we rely on
port-pointer-sheet being correct? -- moore"

With best regards, Stas.

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