[Glade-users] glade-3 and user data

[Alexey Kurochkin]

On Mon, 2009-06-01 at 22:06 -0400, Keith Eberle wrote:
> Hi all,
> 
> I'm using a combination of Glade3/PyGTK to start my GTK+ learnings.
> I'm starting off fresh with the GtkBuilder way too.  Doing well so
> far, but I'm having trouble using the "User Data" field in Glade.  I
> found another message about this,
> http://lists.ximian.com/pipermail/glade-users/2009-April/004314.html,
> but I don't really understand what to do.  
> 
> Using this as an example, what do I have to do differently?
> 
> class MyClass(object):
>   def __init__(self):
>     builder = gtk.Builder()
>     builder.add_from_file('myglade.xml')
>     builder.connect_signals(self)
> 
> I assume that was the "autoconnect" method described in that other
> post.  I tried something like this, but still doesn't work:
> 
> class MyClass(object):
>   def __init__(self):
>     builder = gtk.Builder()
>     builder.add_from_file('myglade.xml')
>     builder.connect_signals({
>         'on_button_clicked': self.on_button_clicked,
>     })
> 
>   def on_button_clicked(self, widget, user_data=None):
>     print user_data

Here, if you put something into "User data" field in your glade file, it
will appear as self, and the button object itself will appear as
user_data. That what it means "swapped". At least that how it was in
glade 3.4.x, I did not check if builder still does that, though.

> 
> 
> I want to use this as a way to determine which column header was
> clicked in a treeview, without having to write 2 separate signal
> handlers.  This may not even be the best way...
> 
> Thanks in advance,
> 
> Keith
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