Comment 8 for bug 1281657

Upon a little more research, I deduced the fault to unity-mir's surface placement logic - not qtubuntu's internal geometry.

OSK surface needs to be positioned underneath the panel (0, 67). But ApplicationManager::placeSession was positioning it at (0,0), since it didn't recognize it as an application surface.

If unity-mir places a surface in a position where the app doesn't expect it to be, input events get confused, causing these key mis-hit issues.