package GCE::MapEditor;

=head1 NAME

  GCE::MapEditor - the map editing widget

=cut

use Gtk2;
use Gtk2::Gdk::Keysyms;
use Gtk2::SimpleMenu;

use Crossfire;
use Crossfire::Map;
use Crossfire::MapWidget;

use GCE::AttrEdit;
use GCE::Util;
use GCE::HashDialog;

use POSIX qw/strftime/;

use Glib::Object::Subclass
    Gtk2::Window;

use Storable qw/dclone/;

use strict;

#################################################################
###### WINDOW MANAGEMENT ########################################
#################################################################

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

   $self->{attach_editor}->save_layout  if $self->{attach_editor};
   $self->{map_properties}->save_layout if $self->{map_properties};
   $self->{meta_info_win}->save_layout  if $self->{meta_info_win};

   $main::CFG->{map_info} = main::get_pos_and_size ($self->{map_info})
      if $self->{map_info};
}

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

   $self->{attach_editor}->destroy  if $self->{attach_editor};
   $self->{map_properties}->destroy if $self->{map_properties};
   $self->{meta_info_win}->destroy  if $self->{meta_info_win};
}

#################################################################
###### MENU MANAGEMENT ##########################################
#################################################################

sub do_context_menu {
   my ($self, $map, $event) = @_;

   my ($x, $y) = $map->coord ($event->x, $event->y);

   my $menu = Gtk2::Menu->new;
   foreach my $cm (
      [
         Follow => sub {
            $::MAINWIN->{edit_collection}{followexit}->edit ($map, $x, $y, $self)
         },
      ]
   ) {
      my $item = Gtk2::MenuItem->new ($cm->[0]);
      $menu->append ($item);
      $item->show;
      $item->signal_connect (activate => $cm->[1]);
   }

   $menu->append (my $sep = new Gtk2::SeparatorMenuItem);
   $sep->show;

   for my $sr (reverse $self->get_stack_refs ($map, $x, $y)) {
      my $item = Gtk2::MenuItem->new ($sr->longname);
      $menu->append ($item);
      $item->set_submenu (my $smenu = new Gtk2::Menu);

      for my $act (
         [ 'Add inventory'  => sub { $_[0]->add_inv ($::MAINWIN->get_pick) } ],
         [ 'Find in picker' => sub { $::MAINWIN->open_pick_window ({ selection => $sr->picker_folder }) } ],
      ) {
         my $sitem = Gtk2::MenuItem->new ($act->[0]);
         $smenu->append ($sitem);
         $sitem->signal_connect (activate => sub { $act->[1]->($sr) });
         $sitem->show;
      }

      $item->show;
   }

   $menu->popup (undef, undef, undef, undef, $event->button, $event->time);
}

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

   my $menu_tree = [
      _File => {
         item_type => '<Branch>',
         children => [
            "_Save" => {
               callback => sub { $self->save_map },
               accelerator => '<ctrl>S'
            },
            "Save As" => {
               callback => sub { $self->save_map_as },
            },
            "Map _Info" => {
               callback => sub { $self->open_map_info },
               accelerator => "<ctrl>I",
            },
            "Map _Properties" => {
               callback => sub { $self->open_map_prop },
               accelerator => "<ctrl>P"
            },
            "Map _Attachments" => {
               callback => sub { $self->open_attach_edit },
               accelerator => "<ctrl>A"
            },
            "Map Meta _Info" => {
               callback => sub { $self->open_meta_info },
            },
            Upload => {
               item_type => '<Branch>',
               children => [
                  "Upload for testing" => {
                     callback => sub { $self->upload_map_test },
                  },
                  "Upload for inclusion" => {
                     callback => sub { $self->upload_map_incl },
                  },
               ]
            },
            "_Map Resize" => {
               callback => sub { $self->open_resize_map },
            },
            "Close" => {
               callback => sub { $self->destroy },
            },
         ]
      },
      _Edit => {
         item_type => '<Branch>',
         children => [
            "_Undo" => {
               callback => sub { $self->undo },
               accelerator => "<ctrl>Z"
            },
            "_Redo" => {
               callback => sub { $self->redo },
               accelerator => "<ctrl>Y"
            },
         ]
      },
      _Go => {
         item_type => '<Branch>',
         children => [
            "_Up" => {
               callback => sub { $self->follow ('u') },
               accelerator => "<ctrl>Up"
            },
            "_Down" => {
               callback => sub { $self->follow ('d') },
               accelerator => "<ctrl>Down"
            },
            "_Right" => {
               callback => sub { $self->follow ('r') },
               accelerator => "<ctrl>Right"
            },
            "_Left" => {
               callback => sub { $self->follow ('l') },
               accelerator => "<ctrl>Left"
            },
         ]
      },
      _Help => {
         item_type => '<Branch>',
         children => [
            _Manual => {
               callback => sub { $::MAINWIN->show_help_window },
               accelerator => "<ctrl>H"
            },
         ]
      },
   ];

   my $men =
      Gtk2::SimpleMenu->new (
         menu_tree => $menu_tree,
         default_callback => \&default_cb,
      );

   for (
        [i => 'pick'],
        [p => 'place'],
        [e => 'erase'],
        [s => 'select'],
        [l => 'eval'],
        [t => 'connect'],
        [f => 'followexit']
       )
   {
      my $tool = $_->[1];
      $men->{accel_group}->connect ($Gtk2::Gdk::Keysyms{$_->[0]}, [], 'visible',
         sub { $::MAINWIN->set_edit_tool ($tool) });
   }

   $men->{accel_group}->connect ($Gtk2::Gdk::Keysyms{'r'}, ['control-mask'], 'visible',
      sub { $self->redo });

   $self->add_accel_group ($men->{accel_group});

   return $men->{widget};
}

#################################################################
###### EDIT TOOL STUFF ##########################################
#################################################################

sub set_edit_tool {
   my ($self, $tool) = @_;

   $self->{etool} = $tool;

   if ($self->ea->special_arrow) {
      $self->{map}{window}->set_cursor (Gtk2::Gdk::Cursor->new ($self->ea->special_arrow));
   } else {
      # FIXME: Get the original cursor and insert it here
      $self->{map}{window}->set_cursor (Gtk2::Gdk::Cursor->new ('GDK_LEFT_PTR'));
   }
}

sub ea {
   my ($self) = @_;
   $self->{ea_alt} || $self->{etool};
}

sub start_drawmode {
   my ($self, $map) = @_;

   $self->{draw_mode} and return;

   # XXX: is this okay?  my ($x, $y) = $map->coord ($event->x, $event->y);
   my ($x, $y) = $map->coord ($map->get_pointer);

   my $ea = $self->ea;

   $ea->begin ($map, $x, $y, $self);

   $ea->edit ($map, $x, $y, $self)
      if $x >= 0 and $y >= 0 and $x < $map->{map}{width} and $y < $map->{map}{height};

   $self->{draw_mode} = [$x, $y];
}

sub stop_drawmode {
   my ($self, $map) = @_;

   $self->{draw_mode} or return;

   my ($x, $y) = $map->coord ($map->get_pointer);

   my $ea = $self->ea;
   $ea->end ($map, $x, $y, $self);

   delete $self->{draw_mode};
}

#################################################################
###### UTILITY FUNCTIONS ########################################
#################################################################

sub follow {
   my ($self, $dir) = @_;

   my %dir_to_path = (
         u => 'tile_path_1',
         d => 'tile_path_3',
         r => 'tile_path_2',
         l => 'tile_path_4',
   );

   defined $dir_to_path{$dir}
      or return;
   my $map = $self->{map}{map}{info}{$dir_to_path{$dir}}
      or return;

   $map = map2abs ($map, $self);
   $::MAINWIN->open_map_editor ($map);
}

# FIXME: Fix the automatic update of the attribute editor! and also the stack view!
sub undo {
   my ($self) = @_;

   my $map = $self->{map}; # the Crossfire::MapWidget

   $map->{undo_stack_pos}
      or return;

   $map->change_swap ($map->{undo_stack}[--$map->{undo_stack_pos}]);
}

sub get_stack_refs {
   my ($self, $map, $x, $y) = @_;

   my $cstack = $map->get ($x, $y);

   return [] unless @$cstack;

   my @refs;

   for my $arch (@$cstack) {
      my ($ox, $oy) = ($x, $y);
      if ($arch->{_virtual}) {
         $ox   = $arch->{virtual_x};
         $oy   = $arch->{virtual_y};
         $arch = $arch->{_virtual};
         $cstack = $map->get ($ox, $oy);
         # XXX: This heavily blows up if $arch isn't on $cstack now.. and it actually really does :(
      }

      push @refs,
         GCE::ArchRef->new (
            arch => $arch,
            cb => sub {
               $map->change_begin ('attredit');
               $map->change_stack ($ox, $oy, $cstack);

               if (my $changeset = $map->change_end) {
                  splice @{ $map->{undo_stack} ||= [] },
                         $map->{undo_stack_pos}++, 1e6,
                         $changeset;
               }
            }
         );
   }

   return @refs;
}

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

   my $map = $self->{map}; # the Crossfire::MapWidget

   $map->{undo_stack} 
      and $map->{undo_stack_pos} < @{$map->{undo_stack}}
         or return;

   $map->change_swap ($map->{undo_stack}[$map->{undo_stack_pos}++]);
}

sub load_meta_info {
   my ($mapfile) = @_;
   if (-e "$mapfile.meta") {
      open my $metafh, "<", "$mapfile.meta"
         or warn "Couldn't open meta file $mapfile.meta: $!";
      my $metadata = do { local $/; <$metafh> };
      return Crossfire::from_json ($metadata);
   }
}

sub save_meta_info {
   my ($mapfile, $metainfo) = @_;
   open my $metafh, ">", "$mapfile.meta"
      or warn "Couldn't write meta file $mapfile.meta: $!";
   print $metafh Crossfire::to_json ($metainfo);
}

sub open_map {
   my ($self, $path, $key) = @_;

   $self->{mapkey} = $key;

   if (ref $path) {
      $self->{map}->set_map ($path);
      delete $self->{meta_info};
      $self->set_title ('<ram>');

   } else {
      my $ok = 0;
      if (-e $path && -f $path) {
         $ok = 1;
      } else {
         unless ($path =~ m/\.map$/) { # yuck
            my $p = $path . '.map';
            if ($ok = -e $p && -f $p) {
               $path = $p;
            }
         }
      }
      unless ($ok) {
         die "Couldn't open '$path' or find '$path.map': No such file or it is not a file.\n";
      }
      $self->{path} = $path;
      $self->{map}->set_map (my $m = new_from_file Crossfire::Map $path);
      $self->{meta_info} = load_meta_info ($path);
      $self->set_title ("gce - map editor - $self->{path}");
   }
   $self->close_windows;
}

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

   if ($self->{path}) {
      $self->{map}{map}->write_file ($self->{path});
      if ($self->{meta_info}) {
         save_meta_info ($self->{path}, $self->{meta_info});
      }
      quick_msg ($self, "saved to $self->{path}");
      $self->set_title ("gce - map editor - $self->{path}");
   } else {
      $self->save_map_as;
   }
}

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

   my $fc = $::MAINWIN->new_filechooser ('gce - save map', 1, $self->{path});

   if ('ok' eq $fc->run) {

      $::MAINWIN->{fc_last_folder} = $fc->get_current_folder;
      $::MAINWIN->{fc_last_folders}->{$self->{fc_last_folder}}++;

      $self->{map}{map}->write_file ($self->{path} = $fc->get_filename);
      if ($self->{meta_info}) {
         save_meta_info ($self->{path}, $self->{meta_info});
      }
      quick_msg ($self, "saved to $self->{path}");
      $self->set_title ("gce - map editor - $self->{path}");
   }

   $fc->destroy;
}

#################################################################
###### DIALOGOUES ###############################################
#################################################################

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

   return if $self->{meta_info_win};

   my $w = $self->{meta_info_win} = GCE::HashDialogue->new ();

   $w->init (
      dialog_default_size => [500, 200, 220, 20],
      layout_name => 'resize_win',
      title       => 'resize map',
      ref_hash    => $self->{map}{map}{info},
      dialog      => [
         [width      => 'Width'    => 'string'],
         [height     => 'Height'   => 'string'],
      ],
      close_on_save => 1,
      save_cb => sub {
         my ($info) = @_;
         $self->{map}{map}->resize ($info->{width}, $info->{height});
         $self->{map}->invalidate_all;
      }
   );

   $w->signal_connect (destroy => sub { delete $self->{meta_info_win} });

   $w->show_all;
}

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

   my $w = GCE::AttachEditor->new;
   $w->set_attachment (
      $self->{map}{map}{info}{attach},
      sub {
         if (@{$_[0]}) {
            $self->{map}{map}{info}{attach} = $_[0]
         } else {
            delete $self->{map}{map}{info}{attach};
         }
      }
   );
   $self->{attach_editor} = $w;
   $w->signal_connect (destroy => sub { delete $self->{attach_editor} });
   $w->show_all;
}

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

   my $meta = dclone $self->{meta_info};

   my $w = $self->{meta_info_win} = GCE::HashDialogue->new ();

   $w->init (
      dialog_default_size => [500, 300, 220, 20],
      layout_name => 'map_upload_incl',
      title       => 'gce - map inclusion upload',
      ref_hash    => $meta,
      text_entry  => { key => 'changes', label => 'Changes (required for inclusion):' },
      dialog      => [
         [gameserver => 'Game server'       => 'label'],
         [testserver => 'Test server'       => 'label'],
         [undef      => x                   => 'sep'   ],
         [cf_login   => 'Server login name' => 'string'],
         [cf_password=> 'Password'          => 'password'],
         [path       => 'Map path'          => 'string'],
      ],
      close_on_save => 1,
      save_cb => sub {
         my ($meta) = @_;
         warn "UPLOAD[".Crossfire::to_json ($meta)."]\n";
      }
   );

   $w->signal_connect (destroy => sub { delete $self->{meta_info_win} });

   $w->show_all;
}

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

   my $meta = dclone $self->{meta_info};

   my $w = $self->{meta_info_win} = GCE::HashDialogue->new ();

   $w->init (
      dialog_default_size => [500, 300, 220, 20],
      layout_name => 'map_upload_test',
      title       => 'gce - map test upload',
      ref_hash    => $meta,
      dialog      => [
         [gameserver => 'Game server'       => 'string'],
         [testserver => 'Test server'       => 'string'],
         [undef      => x                   => 'sep'   ],
         [cf_login   => 'Server login name' => 'string'],
         [cf_password=> 'Password'          => 'password'],
         [path       => 'Map path'          => 'string'],
      ],
      save_cb => sub {
         my ($meta) = @_;
         warn "UPLOAD[".Crossfire::to_json ($meta)."]\n";
      }
   );

   $w->signal_connect (destroy => sub { delete $self->{meta_info_win} });

   $w->show_all;


}

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

   return if $self->{meta_info_win};

   my $w = $self->{meta_info_win} = GCE::HashDialogue->new ();

   $w->init (
      dialog_default_size => [500, 300, 220, 20],
      layout_name => 'meta_info_win',
      title       => 'meta info',
      ref_hash    => $self->{meta_info},
      dialog      => [
         [path       => 'Map path'     => 'string'],
         [cf_login   => 'Login name'   => 'string'],
         [revision   => 'CVS Revision' => 'label'],
         [cvs_root   => 'CVS Root'     => 'label'],
         [lib_root   => 'LIB Root'     => 'label'],
         [testserver => 'Test server'  => 'label'],
         [gameserver => 'Game server'  => 'label'],
      ],
   );

   $w->signal_connect (destroy => sub { delete $self->{meta_info_win} });

   $w->show_all;
}

sub open_map_info {
   my ($self) = @_;
   return if $self->{map_info};

   my $w = $self->{map_info} = Gtk2::Window->new ('toplevel');
   $w->set_title ("gcrossedit - map info");

   $w->add (my $vb = Gtk2::VBox->new);
   $vb->add (my $sw = Gtk2::ScrolledWindow->new);
      $sw->set_policy ('automatic', 'automatic');
      $sw->add (my $txt = Gtk2::TextView->new);
   $vb->pack_start (my $hb = Gtk2::HBox->new (1, 1), 0, 1, 0);
      $hb->pack_start (my $svbtn = Gtk2::Button->new ("save"), 1, 1, 0);
      $hb->pack_start (my $logbtn = Gtk2::Button->new ("add log"), 1, 1, 0);
      $hb->pack_start (my $closebtn = Gtk2::Button->new ("close"), 1, 1, 0);

   my $buf = $txt->get_buffer ();
   $buf->set_text ($self->{map}{map}{info}{msg});

   $svbtn->signal_connect (clicked => sub {
      my $buf = $txt->get_buffer ();
      my $txt = $buf->get_text ($buf->get_start_iter, $buf->get_end_iter, 0);
      $self->{map}{map}{info}{msg} = $txt;
   });

   $logbtn->signal_connect (clicked => sub {
      my $buf = $txt->get_buffer ();
      $buf->insert ($buf->get_start_iter, "- " . strftime ("%F %T %Z", localtime (time)) . " by " . ($main::CFG->{username} || $ENV{USER}) . ":\n");
      $txt->set_buffer ($buf);
   });

   $closebtn->signal_connect (clicked => sub {
      $w->destroy;
   });

   ::set_pos_and_size ($w, $main::CFG->{map_info}, 400, 400, 220, 20);
   $w->signal_connect (destroy => sub {
      delete $self->{map_info};
   });
   $w->show_all;
}

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

   return if $self->{map_properties};

   my $w = $self->{map_properties} = GCE::HashDialogue->new ();

   $w->init (
      dialog_default_size => [500, 500, 220, 20],
      layout_name => 'map_prop_win',
      title       => 'map properties',
      ref_hash    => $self->{map}{map}{info},
      close_on_save => 1,
      dialog      => [
         [qw/name        Name          string/],
         [qw/region      Region        string/],
         [qw/enter_x     Enter-x       string/],
         [qw/enter_y     Enter-y       string/],
         [qw/reset_timeout Reset-timeout  string/],
         [qw/swap_time Swap-timeout  string/],
         [undef,      qw/x             sep/],
         [qw/difficulty  Difficulty    string/],
         [qw/windspeed   Windspeed     string/],
         [qw/pressure    Pressure      string/],
         [qw/humid       Humid         string/],
         [qw/temp        Temp          string/],
         [qw/darkness    Darkness      string/],
         [qw/sky         Sky           string/],
         [qw/winddir     Winddir       string/],
         [undef,      qw/x             sep/],
         [qw/width       Width         label/], # sub { $self->{map}{map}->resize ($_[0], $self->{map}{map}{height}) }],
         [qw/height      Height        label/], # sub { $self->{map}{map}->resize ($self->{map}{map}{width}, $_[0])  }],
         [undef,      qw/x             sep/],
 #        [qw/msg         Text          text/],
#         [qw/maplore     Maplore       text/],
         [qw/outdoor     Outdoor       check/],
         [qw/unique      Unique        check/],
         [qw/fixed_resettime Fixed-resettime        check/],
         [qw/per_player Per-Player     check/],
         [undef,      qw/x             sep/],
         [qw/tile_path_1 Northpath     string/],
         [qw/tile_path_2 Eastpath      string/],
         [qw/tile_path_3 Southpath     string/],
         [qw/tile_path_4 Westpath      string/],
         [qw/tile_path_5 Toppath       string/],
         [qw/tile_path_6 Bottompath    string/],
         [undef,      qw/x             sep/],
         [undef,         'For shop description look in the manual',
            'button', sub { $::MAINWIN->show_help_window }],
         [qw/shopmin     Shopmin       string/],
         [qw/shopmax     Shopmax       string/],
         [qw/shoprace    Shoprace      string/],
         [qw/shopgreed   Shopgreed     string/],
         [qw/shopitems   Shopitems     string/],
      ]
   );

   $w->signal_connect (destroy => sub { delete $self->{map_properties} });
   $w->show_all;
}

#################################################################
###### MAP EDITOR INIT ##########################################
#################################################################

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

   $self->set_title ('gce - map editor');
   $self->add (my $vb = Gtk2::VBox->new);

   $vb->pack_start (my $menu = $self->build_menu, 0, 1, 0);

   $vb->pack_start (my $map = $self->{map} = Crossfire::MapWidget->new, 1, 1, 0);

   $map->signal_connect_after (key_press_event => sub {
      my ($map, $event) = @_;

      my $kv = $event->keyval;

      my $ret = 0;

      my ($x, $y) = $map->coord ($map->get_pointer);
      for ([Control_L => sub { $self->{ea_alt} = $::MAINWIN->{edit_collection}{erase} }],
           [Alt_L     => sub { $self->{ea_alt} = $::MAINWIN->{edit_collection}{pick}  }],
           [c         => sub { $::MAINWIN->{edit_collection}{select}->copy }],
           [v         => sub { $::MAINWIN->{edit_collection}{select}->paste ($map, $x, $y) }],
           [n         => sub { $::MAINWIN->{edit_collection}{select}->invoke }],
          )
      {
         my $ed = $_;

         if ($kv == $Gtk2::Gdk::Keysyms{$ed->[0]}) {
            my $was_in_draw = defined $self->{draw_mode};

            $self->stop_drawmode ($map)
               if $was_in_draw && grep { $ed->[0] eq $_ } qw/Control_L Alt_L/;

            $ed->[1]->();
            $ret = 1;

            $self->start_drawmode ($map)
               if $was_in_draw && grep { $ed->[0] eq $_ } qw/Control_L Alt_L/;
         }
      }

      if ($self->ea->special_arrow) {
         $map->{window}->set_cursor (Gtk2::Gdk::Cursor->new ($self->ea->special_arrow));
      } else {
         # FIXME: Get the original cursor and insert it here
         $map->{window}->set_cursor (Gtk2::Gdk::Cursor->new ('GDK_LEFT_PTR'));
      }

      $ret
   });

   $map->signal_connect_after (key_release_event => sub {
      my ($map, $event) = @_;

      my $ret = 0;

      if ($event->keyval == $Gtk2::Gdk::Keysyms{Control_L}
          or $event->keyval == $Gtk2::Gdk::Keysyms{Alt_L})
      {
         my $was_in_draw = defined $self->{draw_mode};

         $self->stop_drawmode ($map)
            if $was_in_draw;

         delete $self->{ea_alt};
         $ret = 1;

         $self->start_drawmode ($map)
            if $was_in_draw;
      }

      if ($self->ea->special_arrow) {
         $map->{window}->set_cursor (Gtk2::Gdk::Cursor->new ($self->ea->special_arrow));
      } else {
         # FIXME: Get the original cursor and insert it here
         $map->{window}->set_cursor (Gtk2::Gdk::Cursor->new ('GDK_LEFT_PTR'));
      }

      $ret
   });
   $map->signal_connect_after (button_press_event => sub {
      my ($map, $event) = @_;

      if ((not $self->{draw_mode}) and $event->button == 1) {
         my $ea = $self->ea;

         $self->start_drawmode ($map);

         $ea->want_cursor
            or $map->disable_tooltip;

         return 1;
      } elsif ($event->button == 3) {
         $self->do_context_menu ($map, $event);
         return 1;
      }

      0
   });

   $map->signal_connect_after (motion_notify_event => sub {
      my ($map, $event) = @_;

      $self->{draw_mode}
         or return;

      my $ea = $self->ea;

      my ($X, $Y) = @{$self->{draw_mode}}[0,1];
      my ($x, $y) = $map->coord ($map->get_pointer);

      while ($x != $X || $y != $Y) {

         $X++ if $X < $x;
         $X-- if $X > $x;
         $Y++ if $Y < $y;
         $Y-- if $Y > $y;

         unless ($ea->only_on_click) {
            $ea->edit ($map, $X, $Y, $self)
               if $X >= 0 and $Y >= 0 and $X < $map->{map}{width} and $Y < $map->{map}{height};
         }
      }

      @{$self->{draw_mode}}[0,1] = ($X, $Y);

      1
   });

   $map->signal_connect_after (button_release_event => sub {
      my ($map, $event) = @_;

      if ($self->{draw_mode} and $event->button == 1) {
         my $ea = $self->ea;

         $self->stop_drawmode ($map);

         $ea->want_cursor
            or $map->enable_tooltip;

         return 1;
      }

      0
   });

   ::set_pos_and_size ($self, $main::CFG->{map_window}, 500, 500, 200, 0);
}

=head1 AUTHOR

 Marc Lehmann <schmorp@schmorp.de>
 http://home.schmorp.de/

 Robin Redeker <elmex@ta-sa.org>
 http://www.ta-sa.org/

=cut

1