On Sun, 16 Dec 2007 13:29:18 +0100
Damien Gerard <[EMAIL PROTECTED]> wrote:
>
> On Dec 16, 2007, at 12:58 AM, Giuliano Colla wrote:
>
> > Damien Gerard ha scritto:
> >>
> >> On Dec 15, 2007, at 1:05 PM, Giuliano Colla wrote:
> >>
> >>> Calling Application.ProcessMessages under Linux/gtk2 freezes the
> >>> application. (Linux-gtk2-fpc2.2.0)
> >>>
> >>> Stepping through with debugger shows that it goes in an endless
> >>> loop. Under gtk1 and qt works properly.
> >>>
> >>> Is it a known problem? I didn't find any reference in Mantis.
> >>>
> >>
> >> Please provide a sample to test. It works fine with me (Ubuntu
> >> 7.10/ gtk2/fpc 2.2.0 and lastest rev for lazarus).
> >>
> > In a trivial case it works for me too. But in the real app, which
> > works fine both with gtk1 and qt, the problem arises. The
> > application is not so small, and requires the installation of an
> > extra package to run.
> > I'll try to create a more manageable test sample, which creates
> > similar conditions.
> > Regards,
> >
>
> I use it in a closed source project and there are many
> of .ProcessMessages (grrr of Delphi habits ^^). And it works fine.
> An infinite loop would have been reported from my users I think.
>
> But there may be a special case. It is not impossible.
It depends on where you start Application.ProcessMessages. Not all
events are reentrant. Some stacktraces would help.
> People who used magic without knowing what they were doing usually
> came to a sticky end. All over the entire room, sometimes.
> -- (Terry Pratchett, Moving Pictures)
Poor Terry. :(
Mattias
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