Ian Hickson f162555648 PointerInput refactor
Instead of PointerInputEvent having a "type" field, we now have a
different class for each pointer type.

This has ripple effects throughout the system.

I also did code cleanup in affected files while I was there.
2015-12-04 22:42:38 -08:00
..
2015-12-04 22:42:38 -08:00