[pygtk] gtk.IconView and set_cell_data_func doesn't work together

[Iñigo Serna]

Hi,

I'm trying to set a custom function to render the images on a
gtk.IconView, instead of the usual "gtk.IconView.set_pixbuf_column()"
method.

To do it, I'm using "set_cell_data_func" method that gtk.IconView
inherits from gtk.CellLayout [1] and [2].

It doesn't work, reporting next error.
"""
iconview.py:19: GtkWarning:
gtk_icon_view_cell_layout_set_cell_data_func: assertion `info != NULL'
failed
  self.set_cell_data_func(crpb, self.cell_pixbuf_func)
"""
See the attached example.

Any idea?

I succesfully use "set_cell_data_func" method with treeviews, so the
issue comes within gtk.IconView...


My purpose is to render the pixbufs according to some "size"
preference so images are shown smaller or bigger.
The option of filling the store each time "size" preference is changed
is not a valid solution as there a lot of rows there so it would be
very slow.


Thanks,
Iñigo Serna


[1] http://www.pygtk.org/docs/pygtk/class-gtkiconview.html
[2] http://www.pygtk.org/docs/pygtk/class-gtkcelllayout.html#method-gtkcelllayout--set-cell-data-func
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