Before, the focus_cycle try pass the focus to next, and try again if
need loop the objects. Now, the focus cycle return possible next
object and if is necessary loop or not to focus this returned object.
SVN revision: 53111
Now Widgets can control between children interation or receive focus
itself. And focus_cycle has now one default code.
And don't pass focus to disabled widgets
SVN revision: 52959
The old theme start show animation on obj show, if you want
disabled by default it doesn't work well. I changed the theme
default to be visible, don't need animation on "show".
And hidden_set was with inverted logic.
The focus highlight is in theme. And the widget react to
Return/Space.
SVN revision: 52814