Re: GSettings child schemas

[Osmo Antero <osmoma gmail com>]

Hello,
I will not answer to your question directly, but I have implemented
GSettings schemas for my audio-recorder app.
It may give you some tips. Please take a look at:
http://bazaar.launchpad.net/~osmoma/audio-recorder/trunk/view/head:/src/dconf.c
However, do take grated everything is correct and optimally coded ;-)

The GNOME-desktop uses normally DConf as Gsettings backend. But that's
behind the curtains.

Bom fim de semana.
Osmo Antero


On Fri, Mar 1, 2013 at 10:45 AM, Geert Janssens <info kobaltwit be> wrote:

> Hi,
>
> I'm working on replacing GConf with GSettings in the GnuCash application.
> I have read through the GSettings reference documentation and migration
> guide. With that I think I can mostly manage the conversion in the code.
>
> I'm unsure about the schema conversion though. I used
> gsettings-schema-convert to automatically generate GSettings compatible
> schemas from the existing GConf schemas. I notice that for some schemas the
> conversion tool decided to generate schemas with child schemas.
>
> For example, after conversion I have these two schemas defined:
> <schema id="org.gnucash.general" path="/aps/gnucash/general/">
> <schema id="org.gnucash.general.**register" path="/apps/gnucash/general/**
> register/">
>
> (Note: I'm aware I should not use the apps for path, but this is only
> temporary during the conversion.)
>
> The second schema is marked as a child schema of the first one.
>
> Yet due to the way our GConf schemas were organized I also have these two
> schemas:
> <schema id="org.gnucash.dialogs" path="/aps/gnucash/dialogs/">
> <schema id="org.gnucash.dialogs.sxs" path="/apps/gnucash/dialogs/**
> scheduled_trans/">
>
> And while they also share the same path and id prefix, the second is *not*
> marked as a child schema.
>
> I found the GSettings documentation very thin on the rationale behind
> child schemas and hence I have no idea about what would be best practise
> here.
>
> Should I attempt to make the schema hierarchy complete, mark schemas as
> children of others wherever I can ?
> Is it illegal to have two schemas of which one is  in a subpath of the
> other without it being a child schema ?
> What benefit do I get from defining child schemas ?
>
> Any advice here would be greatly appreciated.
>
> Thanks,
>
> Geert
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