Something like this? 
#!/usr/bin/perl
use warnings;
use strict;

use Tk;
my $mw = MainWindow->new(-title => "Tk");
my $f = $mw->Frame->pack;

# 1
$f->Text()->pack(-side => 'left')->focus;

my $b = $mw->Button(-text => 'Submit',
                    -command => sub {print "Submitted\n"},
                   )->pack;
# 2
$mw->bind('<Return>', [sub { $b->invoke; Tk->break; }]);

# 3
my $g1;
$f->Radiobutton(-text => 'Option1',
                 -value => 1,
                 -variable => \$g1)->pack;
$f->Radiobutton(-text => 'Option2',
                 -value => 2,
                 -variable => \$g1)->pack->select;
$f->Radiobutton(-text => 'Option3',
                 -value => 3,
                 -variable => \$g1)->pack;

MainLoop();

[download]

In reply to Re: perl Tk ?s by choroba
in thread perl Tk ?s by diamondsandperls

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.