{ .signal_connect( :delete{ Gtk2.main_quit } ); .set_title( "Test" ); .border_width( 15 ); .add( .signal_connect( :clicked{ Gtk2.main_quit } ) on Gtk2::Button.new( "Quit" ) ); .show_all; } on Gtk2::Window.new( "toplevel" ); #### my $window = map { $_->signal_connect( delete_event => sub { Gtk2->main_quit } ); $_->set_title( "Test" ); $_->set_border_width( 15 ); $_->add( map { $_->signal_connect( clicked => sub { Gtk2->main_quit } ); $_; } Gtk2::Button->new( "Quit" ) ); $_->show_all(); $_; } Gtk2::Window->new( "toplevel" );