Deliantra/Deliantra/MapWidget.pm

=head1 NAME

Deliantra::MapWidget - Gtk2 widget displaying cf maps

=head1 SYNOPSIS

  use Deliantra::MapWidget;

=head1 DESCRIPTION

=head2 METHODS

=over 4

=cut

package Deliantra::MapWidget;

use strict;

use Glib;
use Gtk2;
use Storable ();

use Deliantra;

use Glib::Object::Subclass
   'Gtk2::DrawingArea',
   signals => {
      stack_change => {
         flags       => [qw/run-last/],
         return_type => undef,
         param_types => ["Glib::Int", "Glib::Int", "Glib::Scalar"],
         class_closure => \&set,
      },
      swap_stack_change => {
         flags       => [qw/run-last/],
         return_type => undef,
         param_types => ["Glib::Int", "Glib::Int", "Glib::Scalar"],
         #class_closure => \&set,
      },
   };

use List::Util qw(min max);

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

   $self->signal_connect (destroy => sub {
      my ($self) = @_;

      $self->{tip}->destroy if $self->{tip};

      %$self = ();

      0
   });
   $self->signal_connect (realize => sub {
      my ($self) = @_;

      $self->{window} = $self->window;

      1
   });

   $self->set_redraw_on_allocate (0);
   $self->double_buffered (0);

   $self->{tooltip} = -1; # need focus in first

   # reduces unnecessary redraws
   $self->signal_connect (focus_in_event  => sub { $self->enable_tooltip;  1 });
   $self->signal_connect (focus_out_event => sub { $self->disable_tooltip; 1 });

   $self->signal_connect_after (enter_notify_event => sub { $self->update_tooltip; 0 });
   $self->signal_connect_after (leave_notify_event => sub { $self->update_tooltip; 0 });

   $self->signal_connect (size_request => sub {
      $_[1]->width  (TILESIZE);
      $_[1]->height (TILESIZE);

      1
   });

   $self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });

   $self->signal_connect_after (configure_event => sub {
      $self->set_viewport ($self->{x}, $self->{y});

      0
   });

   $self->signal_connect (button_press_event => sub {
      my ($self, $event) = @_;

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

      if ($_[1]->button == 2 && !$self->{in_drag}) {
         $self->disable_tooltip;

         $_[0]->grab_focus;
         $self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
         return 1;
      }

      0
   });

   $self->signal_connect (motion_notify_event => sub {
      my ($self) = @_;

      $self->update_tooltip;

      if (my $di = $self->{in_drag}) {
         my ($x, $y) = $self->get_pointer;

         $self->set_viewport (
            $di->[0] + $di->[2] - $x,
            $di->[1] + $di->[3] - $y,
         );

         return 1;
      }

      0
   });

   $self->signal_connect (button_release_event => sub {
      my ($self) = @_;

      $self->enable_tooltip 
         if delete $self->{in_drag};

      0
   });

   # gtk+ supports no motion compression, a major lacking feature. we have to pay for the
   # workaround with incorrect behaviour and extra server-turnarounds.
   $self->add_events ([qw(button_press_mask button_release_mask button-motion-mask
                          pointer-motion-mask pointer-motion-hint-mask
                          enter-notify-mask leave-notify-mask)]);
   $self->can_focus (1);

#   $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
}

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

   $self->{tooltip}++;
   $self->update_tooltip;
}

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

   $self->{tooltip}--;
   $self->update_tooltip;
}

sub overlay {
   my ($self, $name, $x, $y, $w, $h, $cb) = @_;

   if (my $ov = delete $self->{overlay}{$name}) {
      my ($x, $y, $w, $h) = @$ov;

      $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
   }

   if ($w && $h) {
      $self->{overlay}{$name} = [$x, $y, $w, $h, $cb];

      $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
   }
}

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

   if ($self->{tooltip} >= 0
       && $self->mapped
       && $self->get_toplevel->has_toplevel_focus) {
      my $screen = $self->{window}->get_screen;

      if ($self->{window} == ($screen->get_display->get_window_at_pointer)[0]) {
         my ($pscreen, $x, $y) = $screen->get_display->get_pointer;

         if ($pscreen == $screen) {
            if (!$self->{tip}) {
               $self->{tip} = new Gtk2::Window "popup";
               $self->{tip}->can_focus (0);
               $self->{tip}->set_name ("gtk-tooltips");
               $self->{tip}->set_decorated (0);
               $self->{tip}->set_border_width (4);
               $self->{tip}->set_has_frame (0);
               $self->{tip}->set_resizable (0);
               $self->{tip}->set_transient_for ($self->get_toplevel);
            }

            my ($mx, $my) = $self->coord ($self->get_pointer);

            if ($self->{tipinfo}[0] != $mx || $self->{tipinfo}[1] != $my) {
               $self->fill_tooltip ($mx, $my);

               $self->{tipinfo} = [$mx, $my];

               $self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
                  my ($self, $x, $y) = @_;

                  $self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
                                                   $x + $_, $y + $_,
                                                   TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
                     for 0..3;
               });

               my $req = $self->{tip}->size_request;
               $self->{tip}->resize ($req->width, $req->height);
            }

            $self->{tip}->move ($x + TILESIZE, $y);
            $self->{tip}->show_all;

            return;
         }
      }
   }

   $self->overlay ("_tooltip");
   delete $self->{tipinfo};
   (delete $self->{tip})->destroy if $self->{tip};
}

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

   $self->{tip}->remove ($self->{tip}->get_children)
      if $self->{tip}->get_children;

   $self->{tip}->add (my $frame = new Gtk2::Frame "($x|$y)");

   if ($x < 0 || $x >= $self->{map}{width}
       || $y < 0 || $y >= $self->{map}{height}) {
      $frame->add (new Gtk2::Label "<off-map>");
   } else {
      $frame->add (my $vbox = new Gtk2::VBox 0, 1);

      #TODO: fill tooltip via signal, defaulting to this:

      # fill tooltip with info about $x, $y
      my $as = $self->{map}{map}[$x][$y] || [];
      for (reverse @$as) {
         $vbox->add (my $hbox = new Gtk2::HBox 0, 2);

         # this is awful, is this really the best way?
         my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
         $pb->fill (0x00000000);
         
         $TILE->composite ($pb,
            0, 0,
            TILESIZE, TILESIZE,
            - ($_->{_face} % CACHESTRIDE) * TILESIZE, - TILESIZE * int $_->{_face} / CACHESTRIDE,
            1, 1, 'nearest', 255
         );

         my $a = $_->{_virtual} || $_;

         $hbox->pack_start ((my $img = new_from_pixbuf Gtk2::Image $pb), 0, 1, 0);
         $img->set_alignment (0, 0.5);

         my $text = "$a->{_name}";
         if (my $o = $ARCH{$a->{_name}}) {
            $text .= "<small>";
            for my $k (grep /^[^_]/, sort keys %$a) {
               if ($a->{$k} ne $o->{$k}) {
                  if ($Glib::VERSION < 1.103) {
                     my $t = "\n$k\t$a->{$k}";
                     $t =~ s/&/&amp;/g;
                     $t =~ s/</&lt;/g;
                     $t =~ s/>/&gt;/g;
                     $text .= $t;
                  } else {
                     $text .= Glib::Markup::escape_text ("\n$k\t$a->{$k}");
                  }
               }
            }
            $text .= "</small>";
         } else {
            $text .= Glib::Markup::escape_text ("\n<unknown archetype>");
         }

         $hbox->pack_start (my $label = new Gtk2::Label, 1, 1, 0);
         $label->set_markup ($text);
         $label->set_alignment (0, 0.5);
      }
   }
}

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

   my $area = $self->allocation;

   $x = max 0, min $self->{width}  - $area->width , $x;
   $y = max 0, min $self->{height} - $area->height, $y;

   $self->window->scroll ($self->{x} - $x, $self->{y} - $y);

   ($self->{x}, $self->{y}) = ($x, $y);
}

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

   $self->{map} = $map;

   $self->{width}  = $map->{width}  * TILESIZE;
   $self->{height} = $map->{height} * TILESIZE;
   
   $self->{x} =
   $self->{y} = 0;

   my $data = delete $map->{map};

   $map->{map} = [];

   for my $x (0 .. $map->{width} - 1) {
      my $col = $data->[$x];
      for my $y (0 .. $map->{height} - 1) {
         $self->set ($x, $y, delete $col->[$y]);
      }
   }

   delete $self->{tipinfo}; $self->update_tooltip;
   $self->invalidate_all;
}

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

   (
      int +($self->{x} + $x) / TILESIZE,
      int +($self->{y} + $y) / TILESIZE,
   )
}

#sub handle_key {
#   my ($self, $key, $state) = @_;
#
#   $self->prefetch_cancel;
#
#   if ($state * "control-mask") {
#      if ($key == $Gtk2::Gdk::Keysyms{g}) {
#         my @sel = keys %{$self->{sel}};
#         $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
#   }
#
#   1
#}

sub invalidate {
   my ($self, $x, $y, $w, $h) = @_;

   return unless $self->{window};

   $self->queue_draw_area (
      map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
   );
}

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

   $self->queue_draw;
}

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

   no integer;

   my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
   my $oy = $self->{y}; my $iy = int $oy / TILESIZE;

   # get_rectangles is buggy in older versions
   my @rectangles = $Gtk2::VERSION >= 1.104
                    ? $event->region->get_rectangles : $event->area;

   for my $area (@rectangles) {
      my ($x, $y, $w, $h) = $area->values; # x y w h

      my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
      my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);

      my $window = $self->{window};

      my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
      $pb->fill (0xff69b400);

      for my $x (@x) {
         my $dx = ($x - $x[0]) * TILESIZE;
         my $oss = $self->{map}{map}[$x];

         for my $y (@y) {
            my $dy = ($y - $y[0]) * TILESIZE;

            for my $a (@{$oss->[$y]}) {
               $TILE->composite ($pb,
                  $dx, $dy,
                  TILESIZE, TILESIZE,
                  $dx - ($a->{_face} % CACHESTRIDE) * TILESIZE, $dy - TILESIZE * int $a->{_face} / CACHESTRIDE,
                  1, 1, 'nearest', 255
               );
            }
         }
      }

      $pb->render_to_drawable ($window, $self->style->black_gc,
               0, 0,
               $x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
               TILESIZE * @x, TILESIZE * @y,
               'max', 0, 0);
   }

   $_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
      for values %{ $self->{overlay} || {} };
}

# get head from _virtual tile, returning x, y, z and @$stack
sub get_head {
   my ($self, $virtual) = @_;

   my ($x, $y) = @$virtual{qw(_virtual_x _virtual_y)}
      or return;

   my $stack = $self->{map}{map}[$x][$y]
      or return;

   my ($z) = grep $stack->[$_] == $virtual->{_virtual}, 0..$#$stack
      or return;

   ($x, $y, $z, $self->get ($x, $y))
}

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

   return unless $x >= 0 && $x < $self->{map}{width}
              && $y >= 0 && $y < $self->{map}{height};

   Storable::dclone [
      map +{ %$_, ((exists $_->{_virtual}) ? (_virtual => 0+$_->{_virtual}) : ()) },
          @{ $self->{map}{map}[$x][$y] || [] }
   ]
}

# the caller promises us that he won't, in no circumstances,
# change the stack he gets.
sub get_ro {
   my ($self, $x, $y) = @_;

   return unless $x >= 0 && $x < $self->{map}{width}
              && $y >= 0 && $y < $self->{map}{height};

   [
      map +{ %$_, ((exists $_->{_virtual}) ? (_virtual => 0+$_->{_virtual}) : ()) },
          @{ $self->{map}{map}[$x][$y] || [] }
   ]
}

sub set {
   my ($self, $x, $y, $as) = @_;

   my $data = $self->{map}{map};

   my $prev_as = $data->[$x][$y] || [];

   my ($x1, $y1, $x2, $y2) = ($x, $y) x 2;

   # remove possible overlay tiles
   for my $a (@$prev_as) {
      next if $a->{_virtual};

      if (my $more = $a->{_more}) {
         for (@$more) {
            my ($x, $y) = @$_;

            $x1 = min $x1, $x; $y1 = min $y1, $y;
            $x2 = max $x2, $x; $y2 = max $y2, $y;

            $data->[$x][$y] = [ grep $_->{_virtual} != $a, @{ $data->[$x][$y] } ];
         }
      }
   }

   # preserve our overlay tiles, put them on top
   $as = [
      (grep !$_->{_virtual}, @$as),
      (grep  $_->{_virtual}, @$prev_as),
   ];

   for my $a (@$as) {
      next if $a->{_virtual};

      my $o = $ARCH{$a->{_name}} || $ARCH{empty_archetype}
         or (warn "archetype $a->{_name} is unknown at ($x|$y)\n"), next;

      my $face = $FACE{$a->{face} || $o->{face} || "blank.111"};
      unless ($face) {
         $face = $FACE{"blank.x11"}
            or (warn "no gfx found for arch '$a->{_name}' at ($x|$y)\n"), next;
      }

      $a->{_face} = $face->{idx};

      if ($face->{w} > 1 || $face->{h} > 1) {
         # bigfaces

         $x2 = max $x2, $x + $face->{w} - 1;
         $y2 = max $y2, $y + $face->{h} - 1;

         for my $ox (0 .. $face->{w} - 1) {
            for my $oy (0 .. $face->{h} - 1) {
               next unless $ox || $oy;

               push @{ $a->{_more} }, [$x+$ox, $y+$oy];
               push @{ $data->[$x+$ox][$y+$oy] }, {
                  _virtual   => $a,
                  _virtual_x => $x,
                  _virtual_y => $y,
                  _face      => $face->{idx} + $ox + $oy * $face->{w},
               };
            }
         }

      } elsif ($o->{more}) {
         # linked faces, slowest and most annoying

         while ($o = $o->{more}) {
            my $face = $FACE{$o->{face} || "blank.111"};
            unless ($face) {
               $face = $FACE{"blank.x11"}
                  or (warn "no gfx found for arch '$a->{_name}' at ($x*|$y*)\n"), next;
            }

            $x1 = min $x1, $x + $o->{x}; $y1 = min $y1, $y + $o->{y};
            $x2 = max $x2, $x + $o->{x}; $y2 = max $y2, $y + $o->{y};

            push @{ $a->{_more} }, [$x + $o->{x}, $y + $o->{y}];
            push @{ $data->[$x+$o->{x}][$y+$o->{y}] }, {
               _virtual   => $a,
               _virtual_x => $x,
               _virtual_y => $y,
               _face      => $face->{idx},
            };
         }
      }
   }

   $data->[$x][$y] = $as;

   $self->queue_draw_area (
      $x1 * TILESIZE - $self->{x}, $y1 * TILESIZE - $self->{y},
      ($x2 - $x1 + 1) * TILESIZE, ($y2 - $y1 + 1) * TILESIZE,
   );

   delete $self->{tipinfo}; $self->update_tooltip;

}

sub change_begin {
   my ($self, $title) = @_;

   $self->{change} ||= {
      title => $title,
   };
   $self->{change}{nest}++;
}

sub change_stack {
   my ($self, $x, $y, $as) = @_;

   $self->{change}{map}[$x][$y] ||= [$x, $y, $self->{map}{map}[$x][$y]];

   $self->signal_emit (stack_change => $x, $y, $as);
}

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

   --$self->{change}{nest} and return;

   my $change = delete $self->{change};

   delete $change->{nest};

   $change->{set} = [
      grep $_,
         map @$_,
            grep $_,
               @{ delete $change->{map} || [] }
   ];

   @{ $change->{set} } or return;

   $change
}

sub change_swap {
   my ($self, $change) = @_;

   for (@{ $change->{set} }) {
      my $stack = $self->get ($_->[0], $_->[1]);
      $self->set ($_->[0], $_->[1], $_->[2]);
      $self->signal_emit (swap_stack_change => $_->[0], $_->[1], $_->[2]);
      $_->[2] = $stack;
   }

   $self->invalidate_all;
}

=back

=head1 AUTHOR

Marc Lehmann <schmorp@schmorp.de>

=cut

1

Revision:	1.43
Committed:	Wed Dec 26 18:05:00 2007 UTC (16 years, 5 months ago) by root
Branch:	MAIN
CVS Tags:	rel-1_222, rel-1_221, rel-1_2, rel-1_22
Changes since 1.42:	+4 -4 lines
Log Message:	initial deliantra check-in
#	User	Rev	Content
1	root	1.1	=head1 NAME
2
3	root	1.43	Deliantra::MapWidget - Gtk2 widget displaying cf maps
4	root	1.1
5			=head1 SYNOPSIS
6
7	root	1.43	use Deliantra::MapWidget;
8	root	1.1
9			=head1 DESCRIPTION
10
11			=head2 METHODS
12
13			=over 4
14
15			=cut
16
17	root	1.43	package Deliantra::MapWidget;
18	root	1.1
19			use strict;
20
21	root	1.31	use Glib;
22	root	1.1	use Gtk2;
23	root	1.19	use Storable ();
24	root	1.1
25	root	1.43	use Deliantra;
26	root	1.1
27			use Glib::Object::Subclass
28	root	1.31	'Gtk2::DrawingArea',
29			signals => {
30			stack_change => {
31			flags => [qw/run-last/],
32			return_type => undef,
33			param_types => ["Glib::Int", "Glib::Int", "Glib::Scalar"],
34			class_closure => \&set,
35			},
36	elmex	1.39	swap_stack_change => {
37			flags => [qw/run-last/],
38			return_type => undef,
39			param_types => ["Glib::Int", "Glib::Int", "Glib::Scalar"],
40			#class_closure => \&set,
41			},
42	root	1.31	};
43	root	1.1
44			use List::Util qw(min max);
45
46			sub INIT_INSTANCE {
47			my ($self) = @_;
48
49	root	1.7	$self->signal_connect (destroy => sub {
50			my ($self) = @_;
51	root	1.8
52	root	1.7	$self->{tip}->destroy if $self->{tip};
53	root	1.8
54	root	1.7	%$self = ();
55	root	1.8
56	root	1.7	0
57			});
58	root	1.1	$self->signal_connect (realize => sub {
59			my ($self) = @_;
60
61			$self->{window} = $self->window;
62
63			1
64			});
65
66	root	1.7	$self->set_redraw_on_allocate (0);
67	root	1.1	$self->double_buffered (0);
68
69	root	1.9	$self->{tooltip} = -1; # need focus in first
70
71	root	1.7	# reduces unnecessary redraws
72	root	1.9	$self->signal_connect (focus_in_event => sub { $self->enable_tooltip; 1 });
73			$self->signal_connect (focus_out_event => sub { $self->disable_tooltip; 1 });
74
75			$self->signal_connect_after (enter_notify_event => sub { $self->update_tooltip; 0 });
76			$self->signal_connect_after (leave_notify_event => sub { $self->update_tooltip; 0 });
77	root	1.7
78	root	1.1	$self->signal_connect (size_request => sub {
79	root	1.10	$_[1]->width (TILESIZE);
80			$_[1]->height (TILESIZE);
81	root	1.1
82			1
83			});
84
85	root	1.2	$self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });
86	root	1.1
87			$self->signal_connect_after (configure_event => sub {
88			$self->set_viewport ($self->{x}, $self->{y});
89	root	1.2
90			0
91	root	1.1	});
92
93			$self->signal_connect (button_press_event => sub {
94			my ($self, $event) = @_;
95
96	root	1.5	my ($x, $y) = ($event->x, $event->y);
97	root	1.2
98	root	1.5	if ($_[1]->button == 2 && !$self->{in_drag}) {
99			$self->disable_tooltip;
100	root	1.1
101			$_[0]->grab_focus;
102			$self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
103	root	1.2	return 1;
104	root	1.1	}
105
106	root	1.2	0
107	root	1.1	});
108
109			$self->signal_connect (motion_notify_event => sub {
110			my ($self) = @_;
111
112	root	1.2	$self->update_tooltip;
113	root	1.1
114			if (my $di = $self->{in_drag}) {
115	root	1.2	my ($x, $y) = $self->get_pointer;
116
117	root	1.1	$self->set_viewport (
118			$di->[0] + $di->[2] - $x,
119			$di->[1] + $di->[3] - $y,
120			);
121
122	root	1.2	return 1;
123	root	1.1	}
124
125	root	1.2	0
126	root	1.1	});
127
128			$self->signal_connect (button_release_event => sub {
129			my ($self) = @_;
130
131	root	1.5	$self->enable_tooltip
132			if delete $self->{in_drag};
133	root	1.2
134	root	1.5	0
135	root	1.1	});
136
137			# gtk+ supports no motion compression, a major lacking feature. we have to pay for the
138			# workaround with incorrect behaviour and extra server-turnarounds.
139	root	1.8	$self->add_events ([qw(button_press_mask button_release_mask button-motion-mask
140	root	1.2	pointer-motion-mask pointer-motion-hint-mask
141			enter-notify-mask leave-notify-mask)]);
142	root	1.1	$self->can_focus (1);
143
144			# $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
145			}
146
147	root	1.2	sub enable_tooltip {
148			my ($self) = @_;
149
150			$self->{tooltip}++;
151			$self->update_tooltip;
152			}
153
154			sub disable_tooltip {
155			my ($self) = @_;
156
157			$self->{tooltip}--;
158			$self->update_tooltip;
159			}
160
161	root	1.3	sub overlay {
162			my ($self, $name, $x, $y, $w, $h, $cb) = @_;
163
164			if (my $ov = delete $self->{overlay}{$name}) {
165			my ($x, $y, $w, $h) = @$ov;
166
167			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
168			}
169
170	root	1.27	if ($w && $h) {
171	root	1.3	$self->{overlay}{$name} = [$x, $y, $w, $h, $cb];
172
173			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
174			}
175			}
176
177	root	1.2	sub update_tooltip {
178			my ($self) = @_;
179
180	root	1.9	if ($self->{tooltip} >= 0
181			&& $self->mapped
182			&& $self->get_toplevel->has_toplevel_focus) {
183	root	1.2	my $screen = $self->{window}->get_screen;
184
185	root	1.9	if ($self->{window} == ($screen->get_display->get_window_at_pointer)[0]) {
186			my ($pscreen, $x, $y) = $screen->get_display->get_pointer;
187
188			if ($pscreen == $screen) {
189			if (!$self->{tip}) {
190			$self->{tip} = new Gtk2::Window "popup";
191			$self->{tip}->can_focus (0);
192			$self->{tip}->set_name ("gtk-tooltips");
193			$self->{tip}->set_decorated (0);
194			$self->{tip}->set_border_width (4);
195			$self->{tip}->set_has_frame (0);
196			$self->{tip}->set_resizable (0);
197			$self->{tip}->set_transient_for ($self->get_toplevel);
198			}
199	root	1.2
200	root	1.9	my ($mx, $my) = $self->coord ($self->get_pointer);
201	root	1.2
202	root	1.9	if ($self->{tipinfo}[0] != $mx \|\| $self->{tipinfo}[1] != $my) {
203			$self->fill_tooltip ($mx, $my);
204	root	1.2
205	root	1.9	$self->{tipinfo} = [$mx, $my];
206	root	1.3
207	root	1.9	$self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
208			my ($self, $x, $y) = @_;
209	root	1.3
210	root	1.9	$self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
211			$x + $_, $y + $_,
212			TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
213			for 0..3;
214	root	1.18	});
215	root	1.3
216	root	1.18	my $req = $self->{tip}->size_request;
217			$self->{tip}->resize ($req->width, $req->height);
218	root	1.9	}
219	root	1.3
220	root	1.9	$self->{tip}->move ($x + TILESIZE, $y);
221	root	1.3	$self->{tip}->show_all;
222	root	1.9
223			return;
224	root	1.2	}
225			}
226			}
227
228	root	1.3	$self->overlay ("_tooltip");
229	root	1.2	delete $self->{tipinfo};
230			(delete $self->{tip})->destroy if $self->{tip};
231			}
232
233			sub fill_tooltip {
234			my ($self, $x, $y) = @_;
235
236			$self->{tip}->remove ($self->{tip}->get_children)
237			if $self->{tip}->get_children;
238
239			$self->{tip}->add (my $frame = new Gtk2::Frame "($x\|$y)");
240
241			if ($x < 0 \|\| $x >= $self->{map}{width}
242			\|\| $y < 0 \|\| $y >= $self->{map}{height}) {
243	root	1.32	$frame->add (new Gtk2::Label "<off-map>");
244	root	1.2	} else {
245	root	1.32	$frame->add (my $vbox = new Gtk2::VBox 0, 1);
246	root	1.2
247			#TODO: fill tooltip via signal, defaulting to this:
248
249			# fill tooltip with info about $x, $y
250			my $as = $self->{map}{map}[$x][$y] \|\| [];
251	root	1.19	for (reverse @$as) {
252	root	1.6	$vbox->add (my $hbox = new Gtk2::HBox 0, 2);
253
254			# this is awful, is this really the best way?
255			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
256			$pb->fill (0x00000000);
257
258	root	1.18	$TILE->composite ($pb,
259	root	1.6	0, 0,
260			TILESIZE, TILESIZE,
261	root	1.37	- ($_->{_face} % CACHESTRIDE) * TILESIZE, - TILESIZE * int $_->{_face} / CACHESTRIDE,
262	root	1.6	1, 1, 'nearest', 255
263			);
264
265	root	1.32	my $a = $_->{_virtual} \|\| $_;
266
267			$hbox->pack_start ((my $img = new_from_pixbuf Gtk2::Image $pb), 0, 1, 0);
268	root	1.6	$img->set_alignment (0, 0.5);
269
270	root	1.32	my $text = "$a->{_name}";
271			if (my $o = $ARCH{$a->{_name}}) {
272			$text .= "<small>";
273			for my $k (grep /^[^_]/, sort keys %$a) {
274			if ($a->{$k} ne $o->{$k}) {
275	root	1.33	if ($Glib::VERSION < 1.103) {
276			my $t = "\n$k\t$a->{$k}";
277			$t =~ s/&/&/g;
278			$t =~ s/</</g;
279			$t =~ s/>/>/g;
280			$text .= $t;
281			} else {
282	root	1.34	$text .= Glib::Markup::escape_text ("\n$k\t$a->{$k}");
283	root	1.33	}
284	root	1.32	}
285			}
286			$text .= "</small>";
287			} else {
288	elmex	1.38	$text .= Glib::Markup::escape_text ("\n<unknown archetype>");
289	root	1.32	}
290
291			$hbox->pack_start (my $label = new Gtk2::Label, 1, 1, 0);
292			$label->set_markup ($text);
293	root	1.5	$label->set_alignment (0, 0.5);
294	root	1.2	}
295			}
296			}
297
298	root	1.1	sub set_viewport {
299			my ($self, $x, $y) = @_;
300
301			my $area = $self->allocation;
302
303			$x = max 0, min $self->{width} - $area->width , $x;
304			$y = max 0, min $self->{height} - $area->height, $y;
305
306			$self->window->scroll ($self->{x} - $x, $self->{y} - $y);
307
308			($self->{x}, $self->{y}) = ($x, $y);
309			}
310
311			sub set_map {
312			my ($self, $map) = @_;
313
314			$self->{map} = $map;
315
316			$self->{width} = $map->{width} * TILESIZE;
317			$self->{height} = $map->{height} * TILESIZE;
318
319			$self->{x} =
320			$self->{y} = 0;
321
322	root	1.19	my $data = delete $map->{map};
323
324			$map->{map} = [];
325
326			for my $x (0 .. $map->{width} - 1) {
327			my $col = $data->[$x];
328			for my $y (0 .. $map->{height} - 1) {
329			$self->set ($x, $y, delete $col->[$y]);
330			}
331			}
332
333	root	1.11	delete $self->{tipinfo}; $self->update_tooltip;
334	root	1.1	$self->invalidate_all;
335			}
336
337			sub coord {
338			my ($self, $x, $y) = @_;
339
340			(
341	root	1.4	int +($self->{x} + $x) / TILESIZE,
342			int +($self->{y} + $y) / TILESIZE,
343	root	1.1	)
344			}
345
346			#sub handle_key {
347			# my ($self, $key, $state) = @_;
348			#
349			# $self->prefetch_cancel;
350			#
351			# if ($state * "control-mask") {
352			# if ($key == $Gtk2::Gdk::Keysyms{g}) {
353			# my @sel = keys %{$self->{sel}};
354			# $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
355			# }
356			#
357			# 1
358			#}
359
360			sub invalidate {
361			my ($self, $x, $y, $w, $h) = @_;
362
363			return unless $self->{window};
364
365			$self->queue_draw_area (
366			map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
367			);
368			}
369
370			sub invalidate_all {
371			my ($self) = @_;
372
373			$self->queue_draw;
374			}
375
376	root	1.18	sub expose {
377			my ($self, $event) = @_;
378
379			no integer;
380
381			my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
382			my $oy = $self->{y}; my $iy = int $oy / TILESIZE;
383
384			# get_rectangles is buggy in older versions
385	root	1.22	my @rectangles = $Gtk2::VERSION >= 1.104
386	root	1.18	? $event->region->get_rectangles : $event->area;
387
388			for my $area (@rectangles) {
389			my ($x, $y, $w, $h) = $area->values; # x y w h
390
391			my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
392			my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);
393
394			my $window = $self->{window};
395
396			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
397			$pb->fill (0xff69b400);
398
399			for my $x (@x) {
400			my $dx = ($x - $x[0]) * TILESIZE;
401	root	1.19	my $oss = $self->{map}{map}[$x];
402	root	1.18
403			for my $y (@y) {
404			my $dy = ($y - $y[0]) * TILESIZE;
405
406	root	1.19	for my $a (@{$oss->[$y]}) {
407	root	1.18	$TILE->composite ($pb,
408			$dx, $dy,
409			TILESIZE, TILESIZE,
410	root	1.37	$dx - ($a->{_face} % CACHESTRIDE) * TILESIZE, $dy - TILESIZE * int $a->{_face} / CACHESTRIDE,
411	root	1.18	1, 1, 'nearest', 255
412			);
413			}
414			}
415			}
416
417			$pb->render_to_drawable ($window, $self->style->black_gc,
418			0, 0,
419			$x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
420			TILESIZE * @x, TILESIZE * @y,
421			'max', 0, 0);
422			}
423
424			$_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
425			for values %{ $self->{overlay} \|\| {} };
426			}
427
428	root	1.40	# get head from _virtual tile, returning x, y, z and @$stack
429			sub get_head {
430			my ($self, $virtual) = @_;
431
432	elmex	1.41	my ($x, $y) = @$virtual{qw(_virtual_x _virtual_y)}
433	root	1.40	or return;
434
435			my $stack = $self->{map}{map}[$x][$y]
436			or return;
437
438			my ($z) = grep $stack->[$_] == $virtual->{_virtual}, 0..$#$stack
439			or return;
440
441			($x, $y, $z, $self->get ($x, $y))
442			}
443
444	root	1.18	sub get {
445			my ($self, $x, $y) = @_;
446
447	root	1.21	return unless $x >= 0 && $x < $self->{map}{width}
448			&& $y >= 0 && $y < $self->{map}{height};
449
450	root	1.40	Storable::dclone [
451			map +{ %$_, ((exists $_->{_virtual}) ? (_virtual => 0+$_->{_virtual}) : ()) },
452			@{ $self->{map}{map}[$x][$y] \|\| [] }
453			]
454	root	1.18	}
455
456	elmex	1.42	# the caller promises us that he won't, in no circumstances,
457			# change the stack he gets.
458			sub get_ro {
459			my ($self, $x, $y) = @_;
460
461			return unless $x >= 0 && $x < $self->{map}{width}
462			&& $y >= 0 && $y < $self->{map}{height};
463
464			[
465			map +{ %$_, ((exists $_->{_virtual}) ? (_virtual => 0+$_->{_virtual}) : ()) },
466			@{ $self->{map}{map}[$x][$y] \|\| [] }
467			]
468			}
469
470	root	1.18	sub set {
471			my ($self, $x, $y, $as) = @_;
472
473	root	1.19	my $data = $self->{map}{map};
474
475			my $prev_as = $data->[$x][$y] \|\| [];
476
477			my ($x1, $y1, $x2, $y2) = ($x, $y) x 2;
478
479			# remove possible overlay tiles
480			for my $a (@$prev_as) {
481			next if $a->{_virtual};
482
483			if (my $more = $a->{_more}) {
484			for (@$more) {
485			my ($x, $y) = @$_;
486
487			$x1 = min $x1, $x; $y1 = min $y1, $y;
488			$x2 = max $x2, $x; $y2 = max $y2, $y;
489	elmex	1.35
490	root	1.19	$data->[$x][$y] = [ grep $_->{_virtual} != $a, @{ $data->[$x][$y] } ];
491			}
492			}
493			}
494
495			# preserve our overlay tiles, put them on top
496			$as = [
497			(grep !$_->{_virtual}, @$as),
498			(grep $_->{_virtual}, @$prev_as),
499			];
500
501			for my $a (@$as) {
502			next if $a->{_virtual};
503
504	root	1.29	my $o = $ARCH{$a->{_name}} \|\| $ARCH{empty_archetype}
505			or (warn "archetype $a->{_name} is unknown at ($x\|$y)\n"), next;
506	root	1.19
507	elmex	1.36	my $face = $FACE{$a->{face} \|\| $o->{face} \|\| "blank.111"};
508			unless ($face) {
509			$face = $FACE{"blank.x11"}
510			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
511			}
512	root	1.18
513	root	1.19	$a->{_face} = $face->{idx};
514
515			if ($face->{w} > 1 \|\| $face->{h} > 1) {
516			# bigfaces
517
518	root	1.25	$x2 = max $x2, $x + $face->{w} - 1;
519			$y2 = max $y2, $y + $face->{h} - 1;
520
521	root	1.19	for my $ox (0 .. $face->{w} - 1) {
522			for my $oy (0 .. $face->{h} - 1) {
523	root	1.25	next unless $ox \|\| $oy;
524
525	root	1.20	push @{ $a->{_more} }, [$x+$ox, $y+$oy];
526	root	1.19	push @{ $data->[$x+$ox][$y+$oy] }, {
527			_virtual => $a,
528			_virtual_x => $x,
529			_virtual_y => $y,
530			_face => $face->{idx} + $ox + $oy * $face->{w},
531			};
532			}
533			}
534	root	1.18
535	root	1.19	} elsif ($o->{more}) {
536			# linked faces, slowest and most annoying
537	root	1.18
538	root	1.19	while ($o = $o->{more}) {
539	elmex	1.36	my $face = $FACE{$o->{face} \|\| "blank.111"};
540			unless ($face) {
541			$face = $FACE{"blank.x11"}
542			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
543			}
544	root	1.19
545	root	1.26	$x1 = min $x1, $x + $o->{x}; $y1 = min $y1, $y + $o->{y};
546			$x2 = max $x2, $x + $o->{x}; $y2 = max $y2, $y + $o->{y};
547	root	1.19
548	root	1.26	push @{ $a->{_more} }, [$x + $o->{x}, $y + $o->{y}];
549	root	1.19	push @{ $data->[$x+$o->{x}][$y+$o->{y}] }, {
550			_virtual => $a,
551			_virtual_x => $x,
552			_virtual_y => $y,
553			_face => $face->{idx},
554			};
555			}
556			}
557	root	1.18	}
558
559	root	1.19	$data->[$x][$y] = $as;
560	root	1.18
561	root	1.19	$self->queue_draw_area (
562			$x1 * TILESIZE - $self->{x}, $y1 * TILESIZE - $self->{y},
563	root	1.25	($x2 - $x1 + 1) * TILESIZE, ($y2 - $y1 + 1) * TILESIZE,
564	root	1.19	);
565
566			delete $self->{tipinfo}; $self->update_tooltip;
567	root	1.18
568			}
569
570	root	1.23	sub change_begin {
571			my ($self, $title) = @_;
572
573			$self->{change} \|\|= {
574			title => $title,
575			};
576			$self->{change}{nest}++;
577			}
578
579	root	1.18	sub change_stack {
580			my ($self, $x, $y, $as) = @_;
581	root	1.1
582	root	1.18	$self->{change}{map}[$x][$y] \|\|= [$x, $y, $self->{map}{map}[$x][$y]];
583	root	1.1
584	root	1.31	$self->signal_emit (stack_change => $x, $y, $as);
585	root	1.18	}
586	root	1.1
587	root	1.18	sub change_end {
588			my ($self) = @_;
589	root	1.11
590	root	1.18	--$self->{change}{nest} and return;
591	root	1.1
592	root	1.18	my $change = delete $self->{change};
593	root	1.1
594	root	1.18	delete $change->{nest};
595	root	1.1
596	root	1.18	$change->{set} = [
597			grep $_,
598			map @$_,
599			grep $_,
600			@{ delete $change->{map} \|\| [] }
601			];
602	root	1.1
603	root	1.18	@{ $change->{set} } or return;
604	root	1.1
605	root	1.18	$change
606			}
607	root	1.1
608	root	1.18	sub change_swap {
609			my ($self, $change) = @_;
610	root	1.1
611	root	1.18	for (@{ $change->{set} }) {
612	root	1.24	my $stack = $self->get ($_->[0], $_->[1]);
613			$self->set ($_->[0], $_->[1], $_->[2]);
614	elmex	1.39	$self->signal_emit (swap_stack_change => $_->[0], $_->[1], $_->[2]);
615	root	1.24	$_->[2] = $stack;
616			}
617	root	1.1
618	root	1.24	$self->invalidate_all;
619	root	1.1	}
620
621			=back
622
623			=head1 AUTHOR
624
625			Marc Lehmann <schmorp@schmorp.de>
626
627			=cut
628
629			1
630