RFR: 8280861: Robot color picker broken on Linux with scaling above 100%

[Phil Race]

On Thu, 10 Feb 2022 18:16:29 GMT, Maxim Kartashev <duke at openjdk.java.net> wrote:

>> src/java.desktop/unix/native/libawt_xawt/awt/gtk3_interface.c line 2874:
>> 
>>> 2872: }
>>> 2873: 
>>> 2874: static gboolean gtk3_get_drawable_data(JNIEnv *env, jintArray pixelArray,
>> 
>> Don't we need to do the same for the gtk2? I suggest to update one of the test below to cover gtk_robot on/off for both gtk2/gtk3.
>
> Maybe not as the previous fix was mode for gtk3 only, but I can double-check. Do you know if MATE desktop environment  is a good candidate for finding gtk2 or are there easier options on Ubuntu?

I have no idea what MATE is but if you are saying you have a recent Ubuntu and you don't have GTK2, I am at least 95% sure GTK2 is still available from Ubuntu package manager for all current releases.

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PR: https://git.openjdk.java.net/jdk/pull/7425