Re: How to detect a gtk desktop programmatically

Just an update, OpenJDK does not agree that forcing the Gtk theme on
desktops such as KDE are warranted.

Quoting:

The status quo that if it isn't GTK, we use Metal seems like the right
> thing to stick with.  There'd be larger changes needed to support GTK if
> (for example) the
> right libraries weren't installed, and who knows what UI defaults would be
> set to and if
> themes would work properly and even then what's the point ?



All in all safe and simpler to use Metal.


Unfortunately, the patch goes to similar lengths as the
aforementioned Debian scripts, checking for the string "gnome" in
the XDG_CURRENT_DESKTOP.  I've reached out to the JDK developer to warn
them that for distributions such as Pantheon, this solution will fail.

The good news is OpenJDK will look correct on *most* desktops.

Link to the openjdk mailing list conversation:

https://mail.openjdk.java.net/pipermail/swing-dev/2020-August/010620.html

- [email protected]


On Thu, Apr 30, 2020 at 12:40 PM Emmanuele Bassi <[email protected]> wrote:

> On Thu, 30 Apr 2020 at 17:23, Michael Catanzaro <[email protected]>
> wrote:
>
>
>> I would worry about the future, though. I'm skeptical that updating to
>> GTK 4 will ever be possible (due to the removal of the foreign drawing
>> API that allows non-GTK apps to render boxes and buttons and such using
>> the GTK theme). So even if it's the best option today, I don't see much
>> long-term future here. I'm not sure what the Java community should be
>> doing, but probably thinking about this early would be better than
>> waiting until GTK 4 is released and it's too late for major changes.
>>
>
> Slight correction: with GTK4 it's still possible to create render nodes
> and use them to render CSS state, but you have to handle that state on your
> own. In practice, this means you won't be able to use GTK API to render
> stuff that looks like a GTK widget according to the current theme; if you
> want something that looks like a GtkWidget, you need to use GtkWidget.
>
> Ciao,
>  Emmanuele
>
> --
> https://www.bassi.io
> [@] ebassi [@gmail.com]
>

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