GtkApplication and argc/arv

[Murray Cumming <murrayc murrayc com>]

I'm trying to wrap GtkApplication for gtkmm but I can't really do that
until I understand how it's meant to be used.

In general, I find the documentation lacks overview and advice, partly
because it's spread between GApplication and GtkApplication and mentions
some concepts without explaining them first. So I have some questions.

1.
Are we still meant to call gtk_init(&argc, &argv) when using
GtkApplication, which takes argc/argv again via g_application_run(). Or
is gtk_init() then superfluous?

Mathias mentioned that gtk_init(NULL, NULL) is best anyway, though I
don't understand why:
  http://bugzilla.gnome.org/show_bug.cgi?id=639925#c3

2.
How should we use GOptionContext to parse command line arguments from
argc/argv when using GtkApplication. Is this the ideal way, using the
command-line signal?
  http://git.gnome.org/browse/totem/tree/src/totem.c#n187
It seems a little long-winded.


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