[Lazarus] Threads and Libraries (dll and so)
Mark Morgan Lloyd
markMLl.lazarus at telemetry.co.uk
Fri Feb 7 08:21:30 CET 2014
Hans-Peter Diettrich wrote:
> Mark Morgan Lloyd schrieb:
>
>> OK, so assuming an OS similar to X, can a single app support two forms
>> on different displays, and/or move forms between displays?
>
> That's the job of the desktop/window manager, on every OS. When a form
> shall be updated on screen, the manager determines the monitor from the
> form's screen coordinates, then asks the form to paint itself. Moving
> forms means nothing but changing their screen coordinates, then request
> an screen update.
My understanding is that moving forms *between* *displays* requires
rather more than that, in fact I'm not sure it's doable on X (if it were
then we wouldn't need Xinerama, Xdmx etc.).
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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