Below is my perl/pTk code: 


#!/usr/bin/perl

use strict;                      # https://perlmonks.org/?node_id=1111
+8320
use warnings;                    # my first pTk-MEGAWIDGET: I develope
+d the code. It was widgetized by a "perl monk"
use Tk;                          # THIS THING WORKS!!



{ # for package
  
package Tk::GUIask;

use List::Util qw( first );
use base qw/ Tk::Frame /;        # Frame-based composite
Construct Tk::Widget 'GUIask'; # install MyNewWidget in pTk namespace

sub ClassInit                    # called once to initialize new class
  {
    my($class, $mw) = @_;
    $class->SUPER::ClassInit($mw);
  }

sub Populate                     # called to build each widget instanc
+e
  {
    my($self, $args) = @_;
    $self->SUPER::Populate($args);
    my $search = '';

    my $frame = $self->Frame(
                             -borderwidth => 5, -relief => 'ridge',
                            )->pack(-fill=> 'both', -expand=> 1);

  my $label = $frame->Label(
                             -fg => 'blue', 
                             -font => 30,
                           )->pack(-fill => 'x');

my $lbox;
    


  my $entry = $frame->Entry(
                             -textvariable => \$search,
                             -validate => 'key',
                           )->pack(-fill => 'x');



    # my $button = $frame -> Button(
    #                   -text => "Abort",
    #                   -bg => 'red',
    #                   -command => sub {
    #                                    #$mw -> destroy();
    #                                   ($frame -> destroy() ) if Tk::
+Exists($frame );
    #                                   }

    #                             ) ->pack(-fill => 'x' );

  $self->ConfigSpecs( DEFAULT => [$lbox], text => [$label] );

  $self->Delegates( Construct => $lbox, insert => $lbox );
  }

  
} # CLOSE package

[download]

I wish to add an "Abort" button with a red bg. I can add the button -- but when I click on it, I get an error. This widget will go into a couple programs that pop up the same widget repeatedly, asking for input from the user.

In reply to My first pTk megawidget by Anonymous Monk

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