Re: Animating widgets

[Javier HernÃndez <javiube gmail com>]

El 15/01/11 08:01, Andy Tai escribiÃ:
> A related question, one can assume that animation, when possible,  is to be
> done with gtk+ on top of Clutter.  Then how can gtk+ programs be written to
> support animation and to properly degrade on platforms where the animation
> is not supported?  For example, with gtk+3, can it support, on showing a
> window,  the window sliding in from the left when using Clutter, but the
> window simply opens when running on top of the plain X11, all with the same
> application logic?
>
> Also, is gtk+ 3 "aware" of the animation events (such as callbacks when the
> animation play is complete)?  Or such events are only handled at the Clutter
> level, and gtk+ widgets know nothing of them?
>
> 2011/1/14 Erick PÃrez Castellanos<erick red gmail com>
>
>    
> > Hi:
> >
> > I want to know if there's anyway i can animate widgets with Gtk. For
> > instance, I have a GtkBin with a GtkEntry container and I want to changed
> > for a GtkTextView on certain event, and I want the switch to be animated,
> > slide in/out, fade in/out, things like that.
> > As far as I got with Gtk2 that's not possible so far, Am I right ?
> > Would this be possible with Gtk3 ?
> > If it is, can someone put in the right direction ?
> >
> > Thxs
> > _______________________________________________
> > gtk-app-devel-list mailing list
> > gtk-app-devel-list gnome org
> > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
> >
> >      

Hi, I'll explain my experience!

Gtk2 does not support animations, it's a fact, so you can only make your 
own hacks to Gtk.
Recently, I've done a news panel that consists in a slide in/slide out 
window that contains a webkit's webview inside for showing news to a 
user, and i did a slide in/slide out animation using some workarounds :S

Why I took this solution? I took that solution because 
python-clutter-gtk's Container isn't implemented yet and I needed to add 
a webkit's webview object to.
So, Erick, if you can know more details about my 'dirty' implementation 
I can pass you some tips and/or chunks of code.

Andy, I don't know in Gtk3, but using clutter with Gtk2, animations' 
events are handled by clutter level, so i expect the same with Gtk3, but 
correct me if i'm wrong.
Anyway, in my case, I know the basics of clutter, but I don't know how 
to do that an application made with Gtk/Clutter avoid animations if 
animation is not supported, if any listener in the list could put us in 
the right direction will be helpful!

Regards!

--
Javier HernÃndez<javiube gmail com>