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Debates on the future of Compiz

Debates on the future of Compiz

Posted Jan 8, 2009 9:45 UTC (Thu) by njs (guest, #40338)
In reply to: Debates on the future of Compiz by filteredperception
Parent article: Debates on the future of Compiz

> things like zooming windows are absolute requirements

Unfortunately, real zooming windows as seen in the iPhone aren't hung up on details of Compiz development or GPU drivers, but something worse: an annoying low-level limitation of X's architecture. To get real zooming, you need to munge windows on their way to the display -- that's easy, we have it -- and you also need to munge mouse events on their way back to the window (to rescale the coordinates). This is a big mess, because of the interaction between the compositing manager (who knows how the X events should be munged) and X grabs (which can lock out clients, including the compositing manager, during input handling). Last I checked the X folks have given up on dealing with this for now...


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