[gtkada] C side error messages

[jf Menon]

Hello again,

each time I use "destroy" on my main toplevel window, I get these 
messages :

(main:32175): Gtk-CRITICAL **: file gtkwidget.c: line 6871 (gtk_widget_get_clipboard): assertion `gtk_widget_has_screen (widget)' failed

(main:32175): Gtk-CRITICAL **: file gtkclipboard.c: line 575 (gtk_clipboard_get_owner): assertion `clipboard != NULL' failed


Since they are from the C side of Gtk, I don't have any idea where to 
find the problem in my Ada code. Any idea ?
thx
jf