Re: using own icons with Gtk2::UIManager

[Michael Hartmann <michael hartmann as-netz de>]

Am Sonntag, 10. September 2006 01:21 schrieb Emmanuele Bassi:
> On Sat, 2006-09-09 at 23:11 +0200, Michael Hartmann wrote:
> > Hi everybody,
> >
> > is it possible to use own icons with Gtk2::UIManager?
> > I want to use some Icons for a menu and a toolbar. I've read the
> > manpages, but haven't found anything useful yet.
>
> You must use stock icons as Gtk2::Action can only use those - so you
> have to add your own icons to the stock icons list using Gtk2::IconSet
> and Gtk2::IconFactory:
>
>   my $pixbuf = Gtk2::Gdk::Pixbuf->new_from_file(...);
>   my $set = Gtk2::IconSet->new_from_pixbuf($pixbuf);
>   my $factory = Gtk2::IconFactory->new();
>
>   $factory->add('your-stock-id', $set);
>   $factory->add_default(); # this adds the factory to the queried list
>
> You have to keep the icon factory around for the duration of the
> application, so it's safe to use a main initialisation function:
>
>   my $IconFactory = undef;
>
>   sub register_icon {
>       my ($stock_id, $path);
>
>       return unless defined $IconFactory;
>
>       my $icon;
>       eval { $icon = Gtk2::Gdk::Pixbuf->new_from_file($path) };
>       if ($@) {
>           croak("Unable to load icon at `$path': $@");
>       }
>
>       my $set = Gtk2::IconSet->new_from_pixbuf($icon);
>       $IconFactory->add($stock_id, $set);
>   }
>
>   sub init_icons {
>     return if defined $IconFactory;
>
>     $IconFactory = Gtk2::IconFactory->new();
>     $IconFactory->add_default();
>
>     register_icon('foo', '/path/to/foo.png');
>     register_icon('bar', '/path/to/bar.png');
>   }
>
> Ciao,
>  Emmanuele.

Thank you for your answer. It finally works.
At the moment I have the problem that I don't know how to check what cell in a 
TreeView Widget selected is. 
However, the main problem at the moment is that I don't know where to look for 
help. The manpages are quite useful when you exactly know what you're looking 
for, the gtk2-perl study guide is also very useful, but not always as 
detailed as I need it. The gtk2 tutorial is not very often helpful.
Googling just shows PODs. Any advice