Out of half curiosity, half boredom, and half fun, I tried to build a (very incomplete) vertical entry from a Label widget using newlines to get a vertical display. 

#!/usr/bin/perl

use strict;
use warnings;
use Tk;

my $text = 'Vertical';
my $entry = 'Entry';

my $mw = MainWindow->new;
$mw->geometry( '+600+200' );
$mw->Label(-text => "Two\nVerticalEntry\nWidgets", -fg => 'blue',
  -font => 'courierbold 20',)->pack;
my $middle = $mw->Frame->pack;

verticalentry( $middle, \$text, 12, sub {print "left text: $text\n"},
  -side => 'left' );
my $updateright = verticalentry( $middle, \$entry, 12,
  sub {print "right text: $entry\n"}, -side => 'right' );

$middle->Frame(-width => 30)->pack;
$mw->Button(-text => 'Exit', -command => sub {$mw->destroy},
  )->pack( -side => 'bottom', -fill => 'x' );
$mw->Button(-text => 'Clear Right', -command => sub {$updateright->(''
+)},
  )->pack( -side => 'bottom', -fill => 'x' );

$mw->repeat( 400, sub { -M $0 < 0 and $mw->destroy } ); # file saved a
+fter run
MainLoop;
-M $0 < 0 and exec $0; # restart on editor save :)

sub verticalentry
  {
  my ($parent, $textref, $length, $command, @packargs) = @_;
  my $edit = $parent->Label(-width => 1,
    -relief => 'sunken', -borderwidth => 3,
    -font => 'courierbold 30')->pack( @packargs );
  my $update = sub
    {
    @_ and $$textref = shift;
    $edit->configure(-text => join "\n",
      split //, substr $$textref . ' ' x $length, 0, $length);
    };
  $update->();
  $edit->bind('<Enter>' => sub { $edit->focus } );
  $edit->bind('<Key>' => sub {
    my $key = $_[0]->XEvent->A;
    use Data::Dump 'dd'; dd $key;
    if( $key =~ /^[ -~]$/ )
      {
      length $$textref < $length and $$textref .= $key;
      }
    elsif( $key eq "\b" )
      {
      chop $$textref;
      }
    elsif( $key eq "\r" )
      {
      $command->();
      }
    $update->();
    } );
  return $update;
  }

[download]

If nothing else, it shows a way to get a vertical column of text :)

This example has two independent vertical entries just so I could be sure all the closure stuff worked correctly.

In reply to Re: how to write a vertical TK Entry? by tybalt89
in thread how to write a vertical TK Entry? by jsteng

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