use Tk;
use strict;
binmode(STDOUT,":utf8");
$Tk::FontRank = \&Ranker;
my $mw = MainWindow->new();
my $t  = $mw->Scrolled(Text => -font => [fixed => 14])->pack;
#$t->insert(end => "Simple ASCII\n");
#$t->update;
$t->insert(end => "\x{3A3A}\n");
$t->update;
#$t->insert(end => "\x{20AC}0.02 £?\n");
#$t->update;
#$t->insert(end => "\x{2323}\x{2322}\n");
MainLoop unless @ARGV;
sub Ranker
{
 my ($cost,$ch,$want,$got) = @_;
 return $cost if $ch == 32;
 if ($cost == 0)
  {
   printf "U+%04x for ",$ch;
   print $want->family," use ",$got->Xname,"\n";
  }
 elsif ($cost == -1)
  {
   printf "U+%04x $ch not in ",$ch;
   print $got->Xname,"\n";
  }
 else
  {
   return (1 << 30) if ($got->size && $want->size != $got->size);
   if ($got->encoding eq 'iso10646-1')
    {
     $cost = ($cost >> 3) || 1;
    }
   printf "%08x for U+%04x ",$cost,$ch;
   print $want->family,' got ',$got->family,'/',$got->encoding,"\n";
  }
 return $cost;
}