[maemo-developers] Drag & Drop on GTK + Maemo 5 (was: Re: [pymaemo] DnD on N900)

[From: Claudio Saavedra]

El mié, 06-01-2010 a las 19:44 -0400, Anderson Lizardo escribió:
> [I'm CC'ing maemo-developers as it is clearly not a Python specific
> issue; see below for details]
> 
> On Wed, Jan 6, 2010 at 2:11 PM, Jeffrey Barish
> <jeff_barish at earthlink.net> wrote:
> > Well, it took a little more than a few days, but here is a test program.  It
> > works on Ubuntu and N810, but not N900.
> 
> Well, I tested your example on Maemo and Ubuntu, and indeed the drag &
> drop only worked on Ubuntu. Additionally, this error is shown on
> console:
> 
> /tmp/dndtest.py:77: Warning: g_object_set_data_full: assertion
> `G_IS_OBJECT (object)' failed
>   gtk.main()
> 
> So I went further and translated your example to C (please note I'm no
> GTK expert, I'm only trying to help debugging the problem). And the
> same behavior is presented: the drag does not work and this message is
> shown on console:
> 
> dndtest[9349]: GLIB CRITICAL ** GLib-GObject - g_object_set_data_full:
> assertion `G_IS_OBJECT (object)' failed
> 
> That means the problem is not related to Python or PyGTK at all, but
> some GTK limitation/bug on Maemo 5.

There is no drag 'n drop in Maemo GTK+. This has been deliberately
disabled.

A stacktrace on the critical warning would be useful to find out the
cause.

Claudio