Clients reading their surface position on screen

[Christopher James Halse Rogers]

On Thu, Aug 14, 2014 at 6:28 PM, Daniel van Vugt 
<daniel.van.vugt at canonical.com> wrote:
> I think a MirBool is enough. Although if anyone does implement the Qt 
> function later then that one doesn't have such luxury. You would have 
> to return some invalid Point for Qt.

Which is one reason why we absolutely should not implement the Qt 
function :)