[QGIS-Developer] Catch qgis exit

[Nyall Dawson]

On Thu, 25 Jun 2020 at 21:30, Jan Růžička <jan.ruzicka.vsb at gmail.com> wrote:
>
> Dear developers,
>
> I have developed a plugin for the Police of the Czech Republic for Search and Rescue operations. It works quite well, but one important feature is missing.
>
> After the search event is finished the user should enter the result of the search.
>
> I was not able to find a way to catch an event when the user closes the whole QGIS. I need similar functionality like when closing in the case of a dirty project (no all changes were saved).
>
> I have searched a lot and did not find any solution. I was able to catch the unload event of the plugin, but I did not find a way to keep QGIS opened.

I know this is an old thread, but FYI QGIS 3.16 brings new API hooks
to address this requirement.

See https://github.com/qgis/QGIS/pull/39191

Nyall