#!/usr/bin/perl -w

use strict;
use Wx;

MyApp->new->MainLoop;

package MyFrame;
use Wx qw[:everything];
use base 'Wx::Frame';

sub new {
  my $class = shift;
  my $frame = $class->SUPER::new( undef, -1, 'StopLoop', [-1, -1], [175, 150] );
     $frame->{panel} = Wx::Panel->new( $frame, -1 );      
     $frame->{bt_start} = Wx::Button->new( $frame->{panel}, -1, 'starten', [-1, -1], [150, -1] );
     $frame->{txt_status} = Wx::TextCtrl->new( $frame->{panel}, -1, "", [-1, -1], [150, -1] );
     $frame->{bt_stop} = Wx::Button->new( $frame->{panel}, -1, 'abbrechen', [-1, -1], [150, -1] );  
     $frame->{sizer_2} = Wx::BoxSizer->new(wxVERTICAL);  
     $frame->{sizer_2}->Add($frame->{bt_start}, 0, wxALL|wxALIGN_CENTER_HORIZONTAL, 10);
     $frame->{sizer_2}->Add($frame->{txt_status}, 0, wxALL|wxALIGN_CENTER_HORIZONTAL, 10);
     $frame->{sizer_2}->Add($frame->{bt_stop}, 0, wxALL|wxALIGN_CENTER_HORIZONTAL, 10);      
     $frame->{panel}->SetSizer($frame->{sizer_2});
 
    Wx::Event::EVT_BUTTON($frame, $frame->{bt_start}->GetId, \&starte_schleife);
    Wx::Event::EVT_BUTTON($frame, $frame->{bt_stop}->GetId, \&abbrechen_schleife);
 
  return $frame;
}

sub starte_schleife{
  my $frm = shift;
 
  for my $i(1..1000) {
     $frm->{txt_status}->SetValue("$i. Schleifendurchlauf");
     $frm->{txt_status}->Update;
  }
}

sub abbrechen_schleife{
  my $frm = shift;
  $frm->Close(1);
}

package MyApp;    
use base 'Wx::App';
sub OnInit { MyFrame->new->Show(1) }