[pygtk] custom palette in gtk.ColorSelection

[Giuseppe Penone]

Hi,
I just found how to customize the colors in a gtk.ColorSelection

gtk_settings = gtk.settings_get_default()
gtk_settings.set_property("gtk-color-palette", ":".join(self.palette_list))

but what I would like would be to add new colors after the existing colors
while
it seems to me that I can only replace a color with a new one while there
are only
20 fixed positions for colors.

Is there a way to increase this number?
Thank you, cheers,
Giuseppe.
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