Add a comment block to head of file

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Add spaces to lambda expr, per coding guidelines

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
Pull most of workspaceOnScreen out of the X monad

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>