am 8624b932: am 7fe2d969: am 7d5d7468: Start at adding trackball support to 3D all apps Known problems: you can outrun the selection by moving the trackball quickly. Focus can get confused.

Merge commit '8624b932fd4a925a3dbc8732a90aa5eb39228136'

* commit '8624b932fd4a925a3dbc8732a90aa5eb39228136':
  Start at adding trackball support to 3D all apps