[PATCH 0/3] Fix pointer emulation on non-ownership windows

Chase Douglas chase.douglas at ubuntu.com
Thu Nov 8 17:36:35 PST 2012

On Thu, Nov 1, 2012 at 10:17 PM, Peter Hutterer <peter.hutterer at who-t.net>wrote:

> https://bugs.freedesktop.org/show_bug.cgi?id=56557
> Pointer emulation on the root window does not work correctly. We currently
> only deliver to window owners, but no client owns the root window. The real
> bug here is that even though the events are registered for, the listener
> lookup fails and we never send emulated pointer events to the client.
> Fix this by storing the resource type of the listener with the touch so we
> know what to actually look up. And to make this work we need a resource
> type
> for active grabs, and we need to store implicit passive grabs in the
> resource system as well.
> oh, and having the second argument to FreeResource() be "don't free the
> resource data if the resource type to remove equals this type" is an
> interesting choice of an API.

I'm slowly losing my memory of the internals of X :(. While I can't make
out exactly how this works immediately, it looks like a proper solution all

Reviewed-by: Chase Douglas <chase.douglas at ubuntu.com>
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