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      $self->{nrof} < 2
         ? $self->{name}
         : "$self->{nrof} $self->{name_pl}";

   $self->{flags} & F_OPEN
      and $desc .= " (open)";
   $self->{flags} & F_APPLIED
      and $desc .= " (applied)";
   $self->{flags} & F_UNPAID
      and $desc .= " (unpaid)";
   $self->{flags} & F_MAGIC
      and $desc .= " (magic)";
   $self->{flags} & F_CURSED
      and $desc .= " (cursed)";
   $self->{flags} & F_DAMNED
      and $desc .= " (damned)";
   $self->{flags} & F_LOCKED
      and $desc .= " *";

   $desc
}

sub weight_string {
   my ($self) = @_;

   my $weight = ($self->{nrof} || 1) * $self->{weight};

   $weight < 0 ? "?" : $weight * 0.001
}

sub do_n_dialog {
   my ($cb) = @_;

   my $w = new DC::UI::Toplevel
      on_delete => sub { $_[0]->destroy; 1 },
      has_close_button => 1,
   ;

   $w->add (my $vb = new DC::UI::VBox x => "center", y => "center");
   $vb->add (new DC::UI::Label text => "Enter item count:");
   $vb->add (my $entry = new DC::UI::Entry
      text => $last_enter_count,
      on_activate => sub {
         my ($entry) = @_;
         $last_enter_count = $entry->get_text;
         $cb->($last_enter_count);
         $w->hide;
         $w->destroy;

         0
      },
      on_escape => sub { $w->destroy; 1 },
   );
   $entry->grab_focus;
   $w->show;
}

my $bg_cursed = [1  , 0  , 0, 0.5];
my $bg_magic  = [0.2, 0.2, 1, 0.5];

sub update_widgets {
   my ($self) = @_;

   # necessary to avoid cyclic references
   DC::weaken $self;

   my $button_cb = sub {
      my (undef, $ev, $x, $y) = @_;

      my $targ = $::CONN->{player}{tag};

      if ($self->{container} == $::CONN->{player}{tag}) {
         $targ = $::CONN->{open_container};
      }

      if (($ev->{mod} & DC::KMOD_SHIFT) && $ev->{button} == 1) {
         $::CONN->send ("move $targ $self->{tag} 0")
            if $targ || !($self->{flags} & F_LOCKED);
      } elsif (($ev->{mod} & DC::KMOD_SHIFT) && $ev->{button} == 2) {
         $self->{flags} & F_LOCKED
            ? $::CONN->send ("lock " . pack "CN", 0, $self->{tag})
            : $::CONN->send ("lock " . pack "CN", 1, $self->{tag})
      } elsif ($ev->{button} == 1) {
         $::CONN->send ("examine $self->{tag}");
      } elsif ($ev->{button} == 2) {
         $::CONN->send ("apply $self->{tag}");
      } elsif ($ev->{button} == 3) {
         my $move_prefix = $::CONN->{open_container} ? 'put' : 'drop';
         if ($self->{container} == $::CONN->{open_container}) {
            $move_prefix = "take";
         }

         my $shortname = DC::shorten $self->{name}, 14;

         my @menu_items = (
            ["examine", sub { $::CONN->send ("examine $self->{tag}") }],
            ["mark",    sub { $::CONN->send ("mark ". pack "N", $self->{tag}) }],
            ["ignite/thaw",  # first try of an easier use of flint&steel
               sub {
                  $::CONN->send ("mark ". pack "N", $self->{tag});
                  $::CONN->send ("command apply flint and steel");
               }
            ],
            ["inscribe",  # first try of an easier use of flint&steel
               sub {
                  &::open_string_query ("Text to inscribe", sub {
                     my ($entry, $txt) = @_;
                     $::CONN->send ("mark ". pack "N", $self->{tag});
                     $::CONN->send_utf8 ("command use_skill inscription $txt");
                  });
               }
            ],
            ["rename",  # first try of an easier use of flint&steel
               sub {
                  &::open_string_query ("Rename item to:", sub {
                     my ($entry, $txt) = @_;
                     $::CONN->send ("mark ". pack "N", $self->{tag});
                     $::CONN->send_utf8 ("command rename to <$txt>");
                  }, $self->{name},
                  "If you input no name or erase the current custom name, the custom name will be unset");
               }