xdg-app and gtkmm

[Philip Withnall]

On Tue, 2015-12-08 at 09:26 +0100, Alexander Larsson wrote:
> On tis, 2015-12-08 at 09:14 +0100, Murray Cumming wrote:
> > On Tue, 2015-12-08 at 08:41 +0100, Alexander Larsson wrote:
> > > > Yeah, this is failing to register the dbus name
> > > > "org.prefixsuffix.application", because the sandboxed app is
> > > > only
> > > > allowed to own names of the form "org.gnome.PrefixSuffix" and
> > > > "org.gnome.PrefixSuffix.*". This is to avoid conflicts with
> > > > other
> > > > apps
> > > > and with host services. You need to rename the app (or change
> > > > the
> > > > code
> > > > to use the new dbus name).
> > > 
> > > I would actually recommend neither, instead change both to use a
> > > domain
> > > you control. For instance "io.github.murraycu.PrefixSuffix".
> > 
> > OK. Thanks. I wish that GApplication's docs gave some clue about
> > what
> > people should use:
> > https://developer.gnome.org/gio/stable/GApplication.html#g-applicat
> > io
> > n-
> > new
> > 
> > Is the camel-case (such as GimpDevel or PrefixSuffix) a real
> > convention? Mixing cases in non-human-readable names seems error
> > prone.
> 
> These are dbus names, but I'm not sure if there is a super strong
> recommendation for them. The initial part is a java style reverse-dns
> prefix, and dns is generally lower case, so it makes sense for that
> to
> be lower case. Then comes the actual app name. I've seen both lower
> case, dashes and camel case there. However, the dbus bus itself uses 
> "org.freedesktop.DBus", so I guess that makes sense as a convention.
> 
> I guess you can think of it like Java, where "org.github.murraycu" is
> the package name, and "PrefixSuffix" is the class name.

Please please please make sure this is added to the documentation.
There has been confusion over how to format reverse-DNS-style names for
different APIs since forever.

Philip
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