[Glade-users] glade-3 and user data

[tristan.van.berkom at gmail.com (Tristan Van Berkom)]

On Fri, Jun 5, 2009 at 6:46 PM, Gerald Britton<gerald.britton at gmail.com> wrote:
> I think that the user data should actually be another widget in this case.

Yes, user data can only be another widget or object in the project;
and it will be
the first argument to the callback not the last.

Cheers,
           -Tristan

> On 6/5/09, Keith Eberle <keith.eberle at gmail.com> wrote:
> > Hmm...
> > When I run this ($ pyton ./myglade) it prints:
> > ./myglade:15: GtkWarning: Could not lookup object somedata on signal clicked
> > of object button
> > ? builder.connect_signals(self)
> >
> > "somedata" is the data I entered in the User Data field in Glade.
> >
> > Anyway, I printed the values of all parameters the signal handler received:
> >
> > ? ? def on_button_clicked(self, widget, data=None):
> > ? ? ? ? print self
> > ? ? ? ? print widget
> > ? ? ? ? print data
> >
> > And I see:
> > <__main__.MyClass object at 0xb7d9aaec>
> > <gtk.Button object at 0x9abf6bc (GtkButton at 0x9b6d820)>
> > None
> >
> > I was expecting to see that "print self" printed "somedata"...
> >
> > (First time using these mailing lists too... very confusing, so I hope this
> > reply works)
> >
> > keith
> >
> >
> > On Tue, Jun 2, 2009 at 10:20 AM, Alexey Kurochkin
> > <alexey.kurochkin at pathfinderlwd.com> wrote:
> > > 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.
> >
> > GtkBuilder did not change in that respect, what we need is to
> > add api to builder signal parsing so that the swapped flag to
> > signal connect can be optional (this will be less confusing of course).
> >
> > Cheers,
> > ? ? ? ? ? -Tristan
>
> --
> Sent from my mobile device
>
> Gerald Britton
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