> The issue occurs because the key events are consumed by the `ListView` in 
> `Popup`, which displays the items.
> This is a regression of 
> [JDK-8077916](https://bugs.openjdk.java.net/browse/JDK-8077916). This change 
> aadded several
> `KeyMapping`s for focus traversals to `ListView`, which consume the `Left`, 
> `Right` and `Ctrl+A` key events.
> Fix:
> 1. Remove the four focus traversal arrow `KeyMapping`s from 
> `ListViewBehavior`.
> 2. Add the `Ctrl + A` `KeyMapping` to `ListViewBehavior` only if the 
> `ListView`'s selection mode is set to
> `SelectionMode.MULTIPLE`.  `ComboBox` uses the `ListView` with 
> `SelectionMode.SINGLE` mode.
> Change unrelated to fix:
> `ComboBoxListViewBehavior` adds `KeyMapping` for `Up` and `Down` keys, which 
> are not invoked when the `ComboBox` popup
> is showing. When the popup is shown, the Up and Down key events are handled 
> by the `ListView` and the `KeyMapping` code
> from `ComboBoxListViewBehavior` does not get executed. These KeyMapping are 
> removed. However this change is not needed
> for the fix. But this seems to be dead code.   Verification:
> Added new unit tests to verify the change.
> Also verified that the behavior ListView behaves same before and after this 
> change.

Ambarish Rapte has updated the pull request incrementally with one additional 
commit since the last revision:

  Corrections in test

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

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/172/files
  - new: https://git.openjdk.java.net/jfx/pull/172/files/f58ee4a2..22f79d63

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/172/webrev.06
 - incr: https://webrevs.openjdk.java.net/jfx/172/webrev.05-06

  Stats: 10 lines in 2 files changed: 1 ins; 6 del; 3 mod
  Patch: https://git.openjdk.java.net/jfx/pull/172.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/172/head:pull/172

PR: https://git.openjdk.java.net/jfx/pull/172

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