Dragging fix
Refactored mouse event sending in ProcessingDrawable-s to 'update', added focus getter/setter in interface.
Changed draw order to:
For all drawables:
- Check and set focus
- Update
For all drawables:
- Draw
Focus check before dragging in update
activeCPTs promoted to a collection
Added init function.
No change?
Changed to update-then-draw workflow
Highlighting added