RFR: 8261221: Tooltip bigger than screen size blinks - shows and hides over and over again

Wed Feb 17 18:53:46 UTC 2021

On Wed, 17 Feb 2021 18:45:28 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> `Tooltip` is no longer hiding upon receiving `MouseEvent.MOUSE_ENTERED_TARGET` event inside it. Pressing mouse on overlaying tooltip also kills the tooltip, so the infinite duration tooltip can be closed.
>
> I'll review and test it later. This will need a unit test (or system test if a unit test is infeasible). I also left a minor formatting comment below.

One more request: Please follow the instructions [here](https://github.com/openjdk/jfx/pull/395/checks) to enable running pre-submit tests.

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PR: https://git.openjdk.java.net/jfx/pull/395