[Rev 01] RFR: 8202296: Monocle MouseInput doesn't send keyboard modifiers in events.

[Tom Schindl]

> Extract keystate and add to the existing modifier mask, to support eg
> multi-select
> 
> https://bugs.openjdk.java.net/browse/JDK-8202296

Tom Schindl has updated the pull request incrementally with one additional commit since the last revision:

  8202296: Monocle MouseInput doesn't send keyboard modifiers in events.
  
  Added Test for keyboard modifiers

-------------

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/170/files
  - new: https://git.openjdk.java.net/jfx/pull/170/files/79fe0fd7..2ca1c88a

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/170/webrev.01
 - incr: https://webrevs.openjdk.java.net/jfx/170/webrev.00-01

  Stats: 54 lines in 1 file changed: 54 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jfx/pull/170.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/170/head:pull/170

PR: https://git.openjdk.java.net/jfx/pull/170