GtkEntry format

["Anurag Chaudhary" <chaudharyanurag hotmail com>]

Hi,

I am porting an application's GUI from OS/2 presentation manager to GTK on 
linux. I have very specific requirement where I need a GtkEntry widget to 
display text as invisible character. But I need a space or - or any 
delimiter after every 4 characters. If I insert this delimiter manually in 
the "insert_text" event handler, it is also displayed as the invisible 
character set. I don't have the luxury of displaying multiple text boxes 
each 4 chars wide. Is there anything that I can do to force this format, so 
that GtkEntry's text fetching functions work as they are now.

Thanks
Anurag

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