Re: Subclassing Gtk2::CellRenderer (reprise)

[Bjarne Steinsbø <bosteins broadpark no>]

muppet wrote:

> Bjarne Steinsbø said:
>  
>
> > Torsten Schoenfeld wrote:
> >    
> >
> > > To demonstrate how amazingly cool this is, I've attached two examples.
> > >      
> [snip]
>  
>
> > This is just sooo great.  Here I am, thinking about having to write a
> > renderer for entering dates.  And before I even get started, Torsten
> > provides a finished solution that looks great.
> >    
>
> well, not "finished" yet; this stuff is highly experimental!
>  

Finished or not, it seems to work already!  Of course I have not tried 
it out in production yet, and of course it could be further improved.  
But still...   It's bl**dy  marvelous!

> hot on the heels of torsten's work on the renderers, i'm retooling the
> cellrenderer class stuff to behave a little better.  after a bit of hacking
> last night, i created something that will let you create a new subclass of
> *any* cell renderer, by fiddling with the type system on the fly in XS.
>
> i will post more info about this, and some code, later today.

Looking forward to it.

> > Wonder what happens when I start thinking about a renderer for
> > sets/flags (select multiple from a list).  Or sub-classing the
> > TreeStore... :-)
> >    
>
> heh, i have ideas for that, but no code... yet.  implementing a treemodel
> requires the ability to implement GInterfaces, which currently doesn't exist
> in gtk2-perl.  my current plans for that are to have each interface offer a
> constructor to which you supply references to the functions you want to be
> called; that constructor puts together the proper marshalling for your
> functions and returns a GInterface which you can supply to
> Glib::Type::register (or Glib::Object::Subclass).  this will require a fair
> amount of machinery in Glib, but should be generally useful.
>
> if you'd like to be my guinea pig for the treemodel subclassing stuff, let me
> know.  :-)
Sure!  Keep the good stuff coming!  I have no idea what you're talking 
about, nor what I'm agreeing to.  But being a guinea pig is normally 
fun! :-)


Bjarne