#!/usr/bin/perl
use warnings;
use strict;
use Gtk2;
use Tk;

my $mw = tkinit;
Gtk2->init;
my $gtkwindow = Gtk2::Window->new;

my $tktimer;
my $count_gtk = 0;
my $gtk_timer_control = 1;

####setup gtk2 window################### 
my $vbox = Gtk2::VBox->new( 0, 6 );
$gtkwindow->add($vbox);

my $frame = Gtk2::Frame->new('Count');
$vbox->pack_start( $frame, 1, 1, 0 );
$frame->set_border_width(3);

my $label = Gtk2::Label->new("Count $count_gtk");
$frame->add( $label);

my $frame1 = Gtk2::Frame->new();
$vbox->pack_start( $frame1, 1, 1, 0 );
$frame1->set_border_width(3);

my $button = Gtk2::Button->new('Stop Count');
$frame1->add($button);
$button->signal_connect( clicked =>
           sub { $gtk_timer_control = 0 } );


my $quit_button = Gtk2::Button->new('_Quit');
$vbox->pack_start( $quit_button, 0, 0, 0 );
$quit_button->signal_connect(
           clicked => sub {
            $tktimer->cancel;
            $gtkwindow->destroy;
                }
                );

my $timer = Glib::Timeout->add (1000,\&show_loop);

$gtkwindow->show_all;

#do_something_cpu_intensive ($item); 
#while(1){ 
#Gtk2->main_iteration while Gtk2->events_pending; 
#} 
################################################### 

#setup tk $mw 
my $count_tk = 0;
my $labtk = $mw->Label(-textvariable =>\$count_tk)->pack;
my $quit_tk = $mw->Button(-text =>'Quit',
        -command=> sub{exit})->pack;

$tktimer = $mw->repeat(10, sub{
    Gtk2->main_iteration while Gtk2->events_pending;
  });

my $tktimer1 = $mw->repeat(200, sub{
    $count_tk++;
  });


MainLoop;

######################################## 
sub show_loop{
  $count_gtk++;
  $label->set_text("Count $count_gtk");
  return $gtk_timer_control;  #return FALSE to end gtk2 timer 
}