combobox "set_wrap_width" method

[Juergen Harms <Juergen Harms unige ch>]

I have understood that the "set_wrap_width" method of comboboxes (with a 
value > 1) should display items in an array rather than a list. Very 
useful if you have a largish number of items to offer for choice.

On my Mageia platform (gtk2) this does not work: with all arguments > 2 
the items of the combobox remain displayed in a single column. Is this a 
problem that is specific to Mageia and does it work elsewhere? or is 
this a general problem of (perl)-gtk2?

For reference:
http://gtk2-perl.sourceforge.net/doc/gtk2-perl-study-guide/c4506.html
and
http://gtk2-perl.sourceforge.net/doc/gtk2-perl-study-guide/sample_programs/gtk2_combo_box_wrap.pl

The second URL is a short demo, its resulting display is shown in the 
first one (and correctly displays an array). Trying the code of the demo 
application, I get a single-column display on my distro.

Juergen