[compiz] window decorations explained and how to move forward
Mike Hearn
mike at plan99.net
Sat Apr 1 15:02:20 PST 2006
Here are some unqualified opinions :) Don't worry, after today I will
run out of time and only be an observer ...
David Reveman wrote:
> The window decoration system in compiz is implemented using a decoration
> plugin and a separate window decoration drawing application (a
> decorator).
Out of curiosity why is the decorator out of process rather than being
an integral part of the decorator plugin itself?
> I'd like to move the drawing code out of gnome-window-decorator.c and
> make it possible to plug in different drawing implementations.
As there is nothing gnome specific about metacity themes, does it really
make sense for this to be "gnome-window-decorator"?
> One drawing implementation that I'd like plug in here is metacity's current
> drawing code so that compiz can be used with all existing metacity
> themes. However, metacity's theme system is very limited and not design
> for what we can do today with compiz. I believe that a new theme system
> is necessary. How this theme system should be is currently beyond me,
> SVG-based and shared between gtk/qt seems appropriate, though.
Well, it's easy to say we can do better, but I think it'd be better to
leave this until people have come up with alternatives to the boring
strip along the top. Otherwise we just end up with a slower way to draw
title bars.
> I'm also a long time fan of blackbox WM
What, not Waimae? Yeah some of us remember that ;) I even remember
people wondering where you had gone and what was going to happen with
it. "Where is David? Was he hit by a bus?" :p
> I'll probably put some, if not all, of this on the compiz page I just
> created on freedektop wiki (http://www.freedesktop.org/Software/Compiz).
You may wish to check the writing plugin HTML page into CVS, so other
people can find it more easily.
And finally, on a mildly related note, Xgl is currently eating a quarter
of my system RAM. I know it's time to upgrade - can't run 2006
technology on a box from '99 for sure - but is Xgl compressing the
pixmaps like MacOS X does?
thanks -mike
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