re: return focus to entry

[Carlos Pereira <carlos pehoe civil ist utl pt>]

> In case if data are wrong I'd like to return focus back 
> to the wrong entry. How can I do this?

This might be what you want:

gtk_widget_grab_focus (GTK_WIDGET (entry));
gtk_entry_select_region (entry, 0, entry->text_length);

I am not sure that your approach is very user-friendly though...

Carlos