Help for this page
my $sw = $mw->screenwidth; my $sw_new=int($sw*.99); $mw->geometry("${sw_new}x400+0+0");
if ($number_of_columns_in_GUI=~2){ my $col_new=int($sw*.50); ... my $col_new=int($sw*.33); $t->colWidth( 0=> $col_new, 1=> $col_new, 2=> $col_new, 3=> 80); }