[xmonad] Wallpaper Appearing Briefly on Client Creation/Destruction in Tiled Layouts

[Brandon Allbery]

On Thu, Oct 6, 2011 at 10:17, <wagnerdm at seas.upenn.edu> wrote:

> Quoting Troels Henriksen <athas at sigkill.dk>:
>
>> wagnerdm at seas.upenn.edu writes:
>>
>>> That strategy doesn't work when the layout of all the windows changes,
>>> since a window cannot be mapped at two places (and, potentially,
>>> sizes!) at once.
>>>
>>
>> You could dump the contents of the workspace region to a pixmap, render
>> that pixmap to a new (unmanaged) window covering the entire workspace,
>> perform window movement/mapping behind it and unmap the covering window
>> at the end.  This would work, but it's ugly and complex.  I doubt a
>> simple and robust solution to this aesthetic issue can be conceived.
>>
>
> Cute. The generalization of this idea leads directly to a simple, robust
> solution: never unmap clients, and using OpenGL compositing to hide them
> instead. ;-)
>

It's worth noting that a number of desktop environments *have* moved to
OpenGL for window management; I don't know if they use compositing per se,
but windows are often implemented as OpenGL textures so they can be
manipulated this way.

-- 
brandon s allbery                                      allbery.b at gmail.com
wandering unix systems administrator (available)     (412) 475-9364 vm/sms
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