[QGIS-Developer] QGIS API - recent changes to QgsSettings

[Damiano Lombardi]

Hi Ricardo,

To get some background you can read this QEP and resulting pull requests:
https://github.com/qgis/QGIS-Enhancement-Proposals/issues/124
https://github.com/qgis/QGIS/pull/42597
https://github.com/qgis/QGIS/pull/42860
https://github.com/qgis/QGIS/pull/42954

Resumed shortly, there is a new preferred way of defining and using
settings with the QgsSettingsEntry classes.
QgsSettingsEntry internally uses QgsSettings and only a part of the QGIS
codebase was ported to the new way. This means QgsSettings will stay
available for now.

If your plugin must be compatible with 3.16/3.18 you will have to stay with
QgsSettings.

Regards
Damiano

On Tue, Jun 1, 2021 at 4:43 PM Ricardo Filipe Soares Garcia da <
ricardo.garcia.silva at gmail.com> wrote:

> Hi all
>
> I see that settings management in QGIS seems to be changing for the
> upcoming 3.20 release. I got this clue when consulting the online API docs
> for master and then realizing there is no QgsSettings class in there
> anymore.
> I then searched the commit history on github and found some commits dating
> from April, which I guess are relevant here:
>
>
> https://github.com/qgis/QGIS/commits?after=415d4831b05cb3821ccbefe0b67307035bc0fb75+34&author=domi4484
>
> Is there some place where I can read about these changes in order to gain
> some more context on them?
>
> I'm interested in knowing how I can support both QGIS LTR and the upcoming
> 3.20 on plugins. Is QgsSettings gone forever from 3.20 on or is this going
> to be backwards compatible for a while? If not, what is going to be the new
> approach for settings management?
>
> Thanks in advance
>
> --
> ___________________________ ___ __
> Ricardo Garcia Silva
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