[lazarus] GTK team: please specify!

Micha Nelissen M.Nelissen at student.tue.nl
Fri Nov 7 12:30:39 EST 2003

Mattias Gaertner wrote:

> On Wed, 05 Nov 2003 17:27:21 +0100
> Micha Nelissen <M.Nelissen at student.tue.nl> wrote:
>>Do you call InvalidateRect too on the control on which is painted? The 
>>grabbers, for example, are partly on form, partly on control. 
>>InvalidateRect is being called for the form, but is it called for the 
>>control too?
> No. The following is used:
>      InvalidateRect(FForm.Handle, at OldRect,false);

Ok, I have implemented an InvalidateRect-invalidates-children-too type 
of InvalidateRect. I believe it's now compatible to the gtk bugs :), 
e.g. the small lines left behind.

> I'm not sure, if the boundings are always correct. This is a non
> deterministic process. I have to debug this someday.

Good luck! ;). I will also see if I can find something, but don't count 
too much on it :).


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