early draft for 8087516: [JavaFX] Conditional support for GTK 3 on Linux

Tom Schindl tom.schindl at bestsolution.at
Sat Apr 23 17:32:46 UTC 2016

David / Kevin,

Do you see chances to detect for the SWT case if we are running with SWT
on Gtk3 or Gtk2 and not having to use -Djdk.gtk.version=3

The problem with requiring one to switch by setting the System-Property
is that eg if someone want to use FX in the Eclipse IDE he does not
control the Java-Launch Process.


On 23.04.16 00:50, David Hill wrote:
> Kevin, Phil, anyone else interested.
> Here is an early draft of [JavaFX] Conditional support for GTK 3 on
> Linux <https://bugs.openjdk.java.net/browse/JDK-8087516>
> http://cr.openjdk.java.net/~ddhill/8087516.1/
> There are some rough edges left, particularly with the GTK 3 side of
> shaped windows.
> Given my time frame, I am interested in feedback on what is there
> because the core of it is complete.
> I have done limited testing on this, some with GTK3 and have not found
> any problems so far. I have more unit testing planned for next week.
> The default GTK version will be GTK2. To use GTK3, use the following:
>    -Djdk.gtk.version=3
> To enable some really verbose output:
>     -Djdk.gtk.verbose=true
> This verbosity will be reduced before I commit this - and only a message
> about the version actually used will be output.
> Known issues: Marked with a DAVE for easy cleanup later.
>     * shaped windows with GTK3 - need to verify the new region methods
>     * debug code that will be used to check that all of the code paths
> are tested.
>     * move the disableGrab back into the main code logic.

Thomas Schindl, CTO
BestSolution.at EDV Systemhaus GmbH
Eduard-Bodem-Gasse 5-7, A-6020 Innsbruck
Reg. Nr. FN 222302s am Firmenbuchgericht Innsbruck

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