How to get panel plugins running with Xfce 4.13?

[André Miranda]

Hi Paul,
Unfortunately we don't have a comprehensive guide on how to port plugins 
to GTK3, probably you already came across this page:
https://wiki.xfce.org/releng/4.14/roadmap/deprecated-widgets

Still, the best way to learn how to port plugins is to study how other 
plugins were ported, most of the job follows the same patterns. It's 
roughly like this:
1) bump dependencies: gtk+-2.0 -> gtk+-3.0, libxfce4ui-1 -> 
libxfce4ui-2, libxfce4panel-1.0 -> libxfce4panel-2.0...
2) add X-XFCE-API=2.0 to .destkop.in
3) try to build
4) if it fails, find out what's wrong, usually missing (removed) gtk 
functions/macros
5) ignore deprecations for the moment and try to make it run in the panel
6) fix the glitches and replace deprecated widgets/functions
7) profit!

Now, speaking about the plugins themselves:

- xfce4-cpugraph-plugin: there's a WIP[1] which would be interesting to 
pick up where that guy left off.
- xfce4-mailwatch-plugin: I'm not aware of any WIP nor have any idea how 
hard it is to port.
- xfce4-weather-plugin: Simon started to port it [2], I don't know how 
far he's gone, but IIRC it proved to be tricky.

With regards to "Do you know of companies or people, that could be 
contracted to do the work?" I think the devs (not many) are the ones 
more qualified to the task, though I can't speak about their 
availability. I always worked on Xfce as a hobby, never made a penny 
from it (not complaining), but I'd would love to take a Xfce freelance 
job =)

[1] - https://github.com/oliwer/xfce4-cpugraph-plugin/tree/gtk3
[2] - https://git.xfce.org/users/ochosi/xfce4-weather-plugin/

Cheers,
Andre Miranda

On 15-05-2018 07:00, xfce-request at xfce.org wrote:
> Message: 1
> Date: Tue, 15 May 2018 11:24:10 +0200
> From: Paul Menzel <pmenzel+xfce at molgen.mpg.de>
> To: xfce at xfce.org
> Cc: Sean Davis <smd.seandavis at gmail.com>, Harald Judt <h.judt at gmx.at>
> Subject: How to get panel plugins running with Xfce 4.13?
> Message-ID: <05c83fba-6dc0-475f-9321-bdf4261f843e at molgen.mpg.de>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>
> Dear Xfce folks,
>
>
> We are currently testing Xfce 4.13 and noticed, that – as expected and
> documented [1] – some panel plugins do not work anymore.
>
> Notably, the three plugins below are used here.
>
> 1.  xfce4-cpugraph-plugin [1]
> 2.  xfce4-mailwatch-plugin [2]
> 3.  xfce4-weather-plugin [3]
>
> Is there an update guide how to port plugins to GTK+ 3? Do you know of
> companies or people, that could be contracted to do the work?
>
>
> Kind regards,
>
> Paul
>
>
> [1] https://wiki.xfce.org/releng/4.14/roadmap
> [2] https://git.xfce.org/panel-plugins/xfce4-cpugraph-plugin/
> [3] https://git.xfce.org/panel-plugins/xfce4-mailwatch-plugin/
> [4] https://git.xfce.org/panel-plugins/xfce4-weather-plugin/
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