RFR: 8200224: Multiple press event when JFXPanel gains focus

Kevin Rushforth kcr at openjdk.org
Tue Oct 29 14:45:46 UTC 2019

On Tue, 29 Oct 2019 11:27:35 GMT, Florian Kirmaier <github.com+6547435+FlorianKirmaier at openjdk.org> wrote:

> Original PR: https://github.com/javafxports/openjdk-jfx/pull/591
> A side effect of JDK-8200224 is, that the first click on a JFXPanel is always a double click.
> The cause for JDK-8200224 is the fix for JDK-8087914 (Clicking on Menu in JFXPanel ignored if another swing component has focus).
> This fix introduced synthesized press-events, which is an unsafe fix for the problem.
> The pull request introduces a new fix for the problem.
> Instead of simulating new input-events, we set JavaFX Scene/Window to focused.
> We do so, by using setFocused.
> When the original Swing-Focus event is called slightly later, it won't have any side-effects,
> because calling setFocused just sets the value of a boolean property.
> I've now also added a unit-test for the problem.
> ----------------
> Commits:
>  - 314e423c: JDK-8200224
>  - 725e5fef: JDK-8200224
> Changes: https://git.openjdk.java.net/jfx/pull/25/files
>  Webrev: https://webrevs.openjdk.java.net/jfx/25/webrev.00
>   Issue: https://bugs.openjdk.java.net/browse/JDK-8200224
>   Stats: 140 lines in 2 files changed: 133 ins; 2 del; 5 mod
>   Patch: https://git.openjdk.java.net/jfx/pull/25.diff
>   Fetch: git fetch https://git.openjdk.java.net/jfx pull/25/head:pull/25

@FlorianKirmaier you still need to file a JBS issue to associate your GitHub username with your OpenJDK user ID as noted [above](#issuecomment-546883472), and per the instructions in [this message](https://mail.openjdk.java.net/pipermail/openjfx-dev/2019-September/023558.html) sent to openjfx-dev.

PR: https://git.openjdk.java.net/jfx/pull/25

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