use strict; use warnings; use Tk; use Tk::DialogBox; my $exit_pressed = 0; my $mw = MainWindow->new(); $mw->OnDestroy(\&exit_x); $mw->Button(-text => 'Exit', -command=> \&exit_app)->pack(-side=>'right', -ipadx => 10, -padx=>30); MainLoop; sub exit_app{ print "1"; $exit_pressed = 1; my $db = $mw->DialogBox(-title => 'Save?',-buttons => ['CSV','Abandon']); $db->Label(-text => "Do you wish to save a new CSV file or abandon changes?")->pack(); my $button = $db->Show(); if ($button eq 'CSV'){ save_csv(); } $mw->destroy(); } sub save_csv{ return 1; } sub exit_x{ unless ($exit_pressed){ print "2"; my $check = MainWindow->new(-title=> 'Save?'); $check->Label(-text => "Do you wish to save a new CSV file or abandon changes?")->pack(); $check->Button(-text => 'CSV', -command => sub { save_csv();$check->destroy();})->pack(-side=>'bottom'); $check->Button(-text => 'Abandon', -command => sub {$check->destroy();})->pack(-side=>'bottom'); } }