RFR: 8236651: Simplify and update glass gtk backend

Tue Aug 25 14:14:37 UTC 2020

On Wed, 29 Jul 2020 21:01:42 GMT, Tor (torbuntu) <github.com+17347324+Torbuntu at openjdk.org> wrote:

>> @Torbuntu Not to this PR, I don't want to delay it too much. But can be done (I just do not own a touch device
>> currently).
>
> Sounds good! I have a few devices I'd be more than excited to test on, and even help add the feature myself if I can
> figure it out if time is a big issue?

I would starting hooking gtk event signals (https://developer.gnome.org/gtk3/stable/GtkWidget.html), specially the
"touch-event" to JavaFx events (probably need to add through JNI). Should be simple. Contact me at thiago.sayao (gmail).

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PR: https://git.openjdk.java.net/jfx/pull/77