Jonathon Jongsma wrote:
> On 11/2/06, Paul Pogonyshev <[EMAIL PROTECTED]> wrote:
> > Hi.
> >
> > Where is error in this code fragment?
> >
> > std::vector <std::string> yelp_arguments;
> >
> > yelp_arguments.push_back ("yelp");
> > yelp_arguments.push_back
> > ("ghelp:///usr/share/gnome/help/gedit/C/gedit.xml");
> >
> > try
> > {
> > Glib::spawn_async (".", yelp_arguments, std::vector <std::string>
> > (),
> > Glib::SPAWN_SEARCH_PATH);
> > return;
> > }
> > catch (Glib::Error& exception)
> > {
> > g_print ("%s...\n", exception.what ().c_str ());
> > }
> >
> > I get this in terminal:
> >
> > (yelp:14036): Gtk-WARNING **: cannot open display:
> >
> > and Yelp window is never shown.
> >
> > Paul
>
> Looking at the glibmm source, it looks like there may be a bug in the
> wrapper. In the C version g_spawn_async, you're supposed to pass a
> NULL pointer for the envp parameter if you want to inherit the
> environment of the parent (e.g. the DISPLAY variable, etc). But when
> you pass an empty vector to the glibmm version, it doesn't appear to
> translate that to NULL, which is probably what you want
I see. Yet another bug in Glibmm/Gtkmm. I'll use C function then.
Thank you.
Paul
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