Deliantra/Deliantra/MapWidget.pm

=head1 NAME

Crossfire::MapWidget - Gtk2 widget displaying cf maps

=head1 SYNOPSIS

  use Crossfire::MapWidget;

=head1 DESCRIPTION

=head2 METHODS

=over 4

=cut

package Crossfire::MapWidget;

use strict;

use Gtk2;
use Storable ();

use Crossfire;
use Crossfire::Tilecache;

use Glib::Object::Subclass
   'Gtk2::DrawingArea';

use List::Util qw(min max);

#my ($TILE_MINX, $TILE_MINY, $TILE_MAXX, $TILE_MAXY);
#
#for (values %TILE) {
#   $TILE_MAXX = max $TILE_MAXX, $_->{w} - 1;
#   $TILE_MAXY = max $TILE_MAXY, $_->{h} - 1;
#}
#
#for (values %ARCH) {
#   for (; $_; $_ = $_->{more}) {
#      $TILE_MINX = min $TILE_MINX, $_->{x};
#      $TILE_MINY = min $TILE_MINY, $_->{y};
#      $TILE_MAXX = max $TILE_MAXX, $_->{x};
#      $TILE_MAXY = max $TILE_MAXY, $_->{y};
#   }
#}

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 1, 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) {
         my $a = $_->{_virtual} || $_;

         $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,
            - ($a->{_face} % 64) * TILESIZE, - TILESIZE * int $a->{_face} / 64,
            1, 1, 'nearest', 255
         );

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

         $hbox->add (my $label = new Gtk2::Label $a->{_name});
         $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} % 64) * TILESIZE, $dy - TILESIZE * int $a->{_face} / 64,
                  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} || {} };
}

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

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

   Storable::dclone $self->{map}{map}[$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}}
         or (warn "archetype $a->{_name} is unknown at ($x|$y)\n", next);

      my $face = $FACE{$a->{face} || $o->{face}}
         or (warn "no gfx found for arch '$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}}
               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]];

   $self->set ($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]);
      $_->[2] = $stack;
   }

   $self->invalidate_all;
}

=back

=head1 AUTHOR

Marc Lehmann <schmorp@schmorp.de>

=cut

1

Revision:	1.27
Committed:	Wed Mar 15 23:00:08 2006 UTC (18 years, 2 months ago) by root
Branch:	MAIN
Changes since 1.26:	+1 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	=head1 NAME
2
3			Crossfire::MapWidget - Gtk2 widget displaying cf maps
4
5			=head1 SYNOPSIS
6
7			use Crossfire::MapWidget;
8
9			=head1 DESCRIPTION
10
11			=head2 METHODS
12
13			=over 4
14
15			=cut
16
17			package Crossfire::MapWidget;
18
19			use strict;
20
21			use Gtk2;
22	root	1.19	use Storable ();
23	root	1.1
24			use Crossfire;
25			use Crossfire::Tilecache;
26
27			use Glib::Object::Subclass
28			'Gtk2::DrawingArea';
29
30			use List::Util qw(min max);
31
32	root	1.18	#my ($TILE_MINX, $TILE_MINY, $TILE_MAXX, $TILE_MAXY);
33			#
34			#for (values %TILE) {
35			# $TILE_MAXX = max $TILE_MAXX, $_->{w} - 1;
36			# $TILE_MAXY = max $TILE_MAXY, $_->{h} - 1;
37			#}
38			#
39			#for (values %ARCH) {
40			# for (; $_; $_ = $_->{more}) {
41			# $TILE_MINX = min $TILE_MINX, $_->{x};
42			# $TILE_MINY = min $TILE_MINY, $_->{y};
43			# $TILE_MAXX = max $TILE_MAXX, $_->{x};
44			# $TILE_MAXY = max $TILE_MAXY, $_->{y};
45			# }
46			#}
47
48	root	1.1	sub INIT_INSTANCE {
49			my ($self) = @_;
50
51	root	1.7	$self->signal_connect (destroy => sub {
52			my ($self) = @_;
53	root	1.8
54	root	1.7	$self->{tip}->destroy if $self->{tip};
55	root	1.8
56	root	1.7	%$self = ();
57	root	1.8
58	root	1.7	0
59			});
60	root	1.1	$self->signal_connect (realize => sub {
61			my ($self) = @_;
62
63			$self->{window} = $self->window;
64
65			1
66			});
67
68	root	1.7	$self->set_redraw_on_allocate (0);
69	root	1.1	$self->double_buffered (0);
70
71	root	1.9	$self->{tooltip} = -1; # need focus in first
72
73	root	1.7	# reduces unnecessary redraws
74	root	1.9	$self->signal_connect (focus_in_event => sub { $self->enable_tooltip; 1 });
75			$self->signal_connect (focus_out_event => sub { $self->disable_tooltip; 1 });
76
77			$self->signal_connect_after (enter_notify_event => sub { $self->update_tooltip; 0 });
78			$self->signal_connect_after (leave_notify_event => sub { $self->update_tooltip; 0 });
79	root	1.7
80	root	1.1	$self->signal_connect (size_request => sub {
81	root	1.10	$_[1]->width (TILESIZE);
82			$_[1]->height (TILESIZE);
83	root	1.1
84			1
85			});
86
87	root	1.2	$self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });
88	root	1.1
89			$self->signal_connect_after (configure_event => sub {
90			$self->set_viewport ($self->{x}, $self->{y});
91	root	1.2
92			0
93	root	1.1	});
94
95			$self->signal_connect (button_press_event => sub {
96			my ($self, $event) = @_;
97
98	root	1.5	my ($x, $y) = ($event->x, $event->y);
99	root	1.2
100	root	1.5	if ($_[1]->button == 2 && !$self->{in_drag}) {
101			$self->disable_tooltip;
102	root	1.1
103			$_[0]->grab_focus;
104			$self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
105	root	1.2	return 1;
106	root	1.1	}
107
108	root	1.2	0
109	root	1.1	});
110
111			$self->signal_connect (motion_notify_event => sub {
112			my ($self) = @_;
113
114	root	1.2	$self->update_tooltip;
115	root	1.1
116			if (my $di = $self->{in_drag}) {
117	root	1.2	my ($x, $y) = $self->get_pointer;
118
119	root	1.1	$self->set_viewport (
120			$di->[0] + $di->[2] - $x,
121			$di->[1] + $di->[3] - $y,
122			);
123
124	root	1.2	return 1;
125	root	1.1	}
126
127	root	1.2	0
128	root	1.1	});
129
130			$self->signal_connect (button_release_event => sub {
131			my ($self) = @_;
132
133	root	1.5	$self->enable_tooltip
134			if delete $self->{in_drag};
135	root	1.2
136	root	1.5	0
137	root	1.1	});
138
139			# gtk+ supports no motion compression, a major lacking feature. we have to pay for the
140			# workaround with incorrect behaviour and extra server-turnarounds.
141	root	1.8	$self->add_events ([qw(button_press_mask button_release_mask button-motion-mask
142	root	1.2	pointer-motion-mask pointer-motion-hint-mask
143			enter-notify-mask leave-notify-mask)]);
144	root	1.1	$self->can_focus (1);
145
146			# $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
147			}
148
149	root	1.2	sub enable_tooltip {
150			my ($self) = @_;
151
152			$self->{tooltip}++;
153			$self->update_tooltip;
154			}
155
156			sub disable_tooltip {
157			my ($self) = @_;
158
159			$self->{tooltip}--;
160			$self->update_tooltip;
161			}
162
163	root	1.3	sub overlay {
164			my ($self, $name, $x, $y, $w, $h, $cb) = @_;
165
166			if (my $ov = delete $self->{overlay}{$name}) {
167			my ($x, $y, $w, $h) = @$ov;
168
169			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
170			}
171
172	root	1.27	if ($w && $h) {
173	root	1.3	$self->{overlay}{$name} = [$x, $y, $w, $h, $cb];
174
175			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
176			}
177			}
178
179	root	1.2	sub update_tooltip {
180			my ($self) = @_;
181
182	root	1.9	if ($self->{tooltip} >= 0
183			&& $self->mapped
184			&& $self->get_toplevel->has_toplevel_focus) {
185	root	1.2	my $screen = $self->{window}->get_screen;
186
187	root	1.9	if ($self->{window} == ($screen->get_display->get_window_at_pointer)[0]) {
188			my ($pscreen, $x, $y) = $screen->get_display->get_pointer;
189
190			if ($pscreen == $screen) {
191			if (!$self->{tip}) {
192			$self->{tip} = new Gtk2::Window "popup";
193			$self->{tip}->can_focus (0);
194			$self->{tip}->set_name ("gtk-tooltips");
195			$self->{tip}->set_decorated (0);
196			$self->{tip}->set_border_width (4);
197			$self->{tip}->set_has_frame (0);
198			$self->{tip}->set_resizable (0);
199			$self->{tip}->set_transient_for ($self->get_toplevel);
200			}
201	root	1.2
202	root	1.9	my ($mx, $my) = $self->coord ($self->get_pointer);
203	root	1.2
204	root	1.9	if ($self->{tipinfo}[0] != $mx \|\| $self->{tipinfo}[1] != $my) {
205			$self->fill_tooltip ($mx, $my);
206	root	1.2
207	root	1.9	$self->{tipinfo} = [$mx, $my];
208	root	1.3
209	root	1.9	$self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
210			my ($self, $x, $y) = @_;
211	root	1.3
212	root	1.9	$self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
213			$x + $_, $y + $_,
214			TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
215			for 0..3;
216	root	1.18	});
217	root	1.3
218	root	1.18	my $req = $self->{tip}->size_request;
219			$self->{tip}->resize ($req->width, $req->height);
220	root	1.9	}
221	root	1.3
222	root	1.9	$self->{tip}->move ($x + TILESIZE, $y);
223	root	1.3	$self->{tip}->show_all;
224	root	1.9
225			return;
226	root	1.2	}
227			}
228			}
229
230	root	1.3	$self->overlay ("_tooltip");
231	root	1.2	delete $self->{tipinfo};
232			(delete $self->{tip})->destroy if $self->{tip};
233			}
234
235			sub fill_tooltip {
236			my ($self, $x, $y) = @_;
237
238			$self->{tip}->remove ($self->{tip}->get_children)
239			if $self->{tip}->get_children;
240
241			$self->{tip}->add (my $frame = new Gtk2::Frame "($x\|$y)");
242
243			if ($x < 0 \|\| $x >= $self->{map}{width}
244			\|\| $y < 0 \|\| $y >= $self->{map}{height}) {
245			$frame->add (new Gtk2::Label "<off-map>");
246			} else {
247	root	1.6	$frame->add (my $vbox = new Gtk2::VBox 1, 1);
248	root	1.2
249			#TODO: fill tooltip via signal, defaulting to this:
250
251			# fill tooltip with info about $x, $y
252			my $as = $self->{map}{map}[$x][$y] \|\| [];
253	root	1.19	for (reverse @$as) {
254			my $a = $_->{_virtual} \|\| $_;
255
256	root	1.6	$vbox->add (my $hbox = new Gtk2::HBox 0, 2);
257
258			# this is awful, is this really the best way?
259			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
260			$pb->fill (0x00000000);
261
262	root	1.18	$TILE->composite ($pb,
263	root	1.6	0, 0,
264			TILESIZE, TILESIZE,
265	root	1.19	- ($a->{_face} % 64) * TILESIZE, - TILESIZE * int $a->{_face} / 64,
266	root	1.6	1, 1, 'nearest', 255
267			);
268
269			$hbox->add (my $img = new_from_pixbuf Gtk2::Image $pb);
270			$img->set_alignment (0, 0.5);
271
272			$hbox->add (my $label = new Gtk2::Label $a->{_name});
273	root	1.5	$label->set_alignment (0, 0.5);
274	root	1.2	}
275			}
276			}
277
278	root	1.1	sub set_viewport {
279			my ($self, $x, $y) = @_;
280
281			my $area = $self->allocation;
282
283			$x = max 0, min $self->{width} - $area->width , $x;
284			$y = max 0, min $self->{height} - $area->height, $y;
285
286			$self->window->scroll ($self->{x} - $x, $self->{y} - $y);
287
288			($self->{x}, $self->{y}) = ($x, $y);
289			}
290
291			sub set_map {
292			my ($self, $map) = @_;
293
294			$self->{map} = $map;
295
296			$self->{width} = $map->{width} * TILESIZE;
297			$self->{height} = $map->{height} * TILESIZE;
298
299			$self->{x} =
300			$self->{y} = 0;
301
302	root	1.19	my $data = delete $map->{map};
303
304			$map->{map} = [];
305
306			for my $x (0 .. $map->{width} - 1) {
307			my $col = $data->[$x];
308			for my $y (0 .. $map->{height} - 1) {
309			$self->set ($x, $y, delete $col->[$y]);
310			}
311			}
312
313	root	1.11	delete $self->{tipinfo}; $self->update_tooltip;
314	root	1.1	$self->invalidate_all;
315			}
316
317			sub coord {
318			my ($self, $x, $y) = @_;
319
320			(
321	root	1.4	int +($self->{x} + $x) / TILESIZE,
322			int +($self->{y} + $y) / TILESIZE,
323	root	1.1	)
324			}
325
326			#sub handle_key {
327			# my ($self, $key, $state) = @_;
328			#
329			# $self->prefetch_cancel;
330			#
331			# if ($state * "control-mask") {
332			# if ($key == $Gtk2::Gdk::Keysyms{g}) {
333			# my @sel = keys %{$self->{sel}};
334			# $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
335			# }
336			#
337			# 1
338			#}
339
340			sub invalidate {
341			my ($self, $x, $y, $w, $h) = @_;
342
343			return unless $self->{window};
344
345			$self->queue_draw_area (
346			map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
347			);
348			}
349
350			sub invalidate_all {
351			my ($self) = @_;
352
353			$self->queue_draw;
354			}
355
356	root	1.18	sub expose {
357			my ($self, $event) = @_;
358
359			no integer;
360
361			my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
362			my $oy = $self->{y}; my $iy = int $oy / TILESIZE;
363
364			# get_rectangles is buggy in older versions
365	root	1.22	my @rectangles = $Gtk2::VERSION >= 1.104
366	root	1.18	? $event->region->get_rectangles : $event->area;
367
368			for my $area (@rectangles) {
369			my ($x, $y, $w, $h) = $area->values; # x y w h
370
371			my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
372			my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);
373
374			my $window = $self->{window};
375
376			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
377			$pb->fill (0xff69b400);
378
379			for my $x (@x) {
380			my $dx = ($x - $x[0]) * TILESIZE;
381	root	1.19	my $oss = $self->{map}{map}[$x];
382	root	1.18
383			for my $y (@y) {
384			my $dy = ($y - $y[0]) * TILESIZE;
385
386	root	1.19	for my $a (@{$oss->[$y]}) {
387	root	1.18	$TILE->composite ($pb,
388			$dx, $dy,
389			TILESIZE, TILESIZE,
390	root	1.19	$dx - ($a->{_face} % 64) * TILESIZE, $dy - TILESIZE * int $a->{_face} / 64,
391	root	1.18	1, 1, 'nearest', 255
392			);
393			}
394			}
395			}
396
397			$pb->render_to_drawable ($window, $self->style->black_gc,
398			0, 0,
399			$x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
400			TILESIZE * @x, TILESIZE * @y,
401			'max', 0, 0);
402			}
403
404			$_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
405			for values %{ $self->{overlay} \|\| {} };
406			}
407
408			sub get {
409			my ($self, $x, $y) = @_;
410
411	root	1.21	return unless $x >= 0 && $x < $self->{map}{width}
412			&& $y >= 0 && $y < $self->{map}{height};
413
414	root	1.19	Storable::dclone $self->{map}{map}[$x][$y] \|\| []
415	root	1.18	}
416
417			sub set {
418			my ($self, $x, $y, $as) = @_;
419
420	root	1.19	my $data = $self->{map}{map};
421
422			my $prev_as = $data->[$x][$y] \|\| [];
423
424			my ($x1, $y1, $x2, $y2) = ($x, $y) x 2;
425
426			# remove possible overlay tiles
427			for my $a (@$prev_as) {
428			next if $a->{_virtual};
429
430			if (my $more = $a->{_more}) {
431			for (@$more) {
432			my ($x, $y) = @$_;
433
434			$x1 = min $x1, $x; $y1 = min $y1, $y;
435			$x2 = max $x2, $x; $y2 = max $y2, $y;
436
437			$data->[$x][$y] = [ grep $_->{_virtual} != $a, @{ $data->[$x][$y] } ];
438			}
439			}
440			}
441
442			# preserve our overlay tiles, put them on top
443			$as = [
444			(grep !$_->{_virtual}, @$as),
445			(grep $_->{_virtual}, @$prev_as),
446			];
447
448			for my $a (@$as) {
449			next if $a->{_virtual};
450
451			my $o = $ARCH{$a->{_name}}
452			or (warn "archetype $a->{_name} is unknown at ($x\|$y)\n", next);
453
454			my $face = $FACE{$a->{face} \|\| $o->{face}}
455			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
456	root	1.18
457	root	1.19	$a->{_face} = $face->{idx};
458
459			if ($face->{w} > 1 \|\| $face->{h} > 1) {
460			# bigfaces
461
462	root	1.25	$x2 = max $x2, $x + $face->{w} - 1;
463			$y2 = max $y2, $y + $face->{h} - 1;
464
465	root	1.19	for my $ox (0 .. $face->{w} - 1) {
466			for my $oy (0 .. $face->{h} - 1) {
467	root	1.25	next unless $ox \|\| $oy;
468
469	root	1.20	push @{ $a->{_more} }, [$x+$ox, $y+$oy];
470	root	1.19	push @{ $data->[$x+$ox][$y+$oy] }, {
471			_virtual => $a,
472			_virtual_x => $x,
473			_virtual_y => $y,
474			_face => $face->{idx} + $ox + $oy * $face->{w},
475			};
476			}
477			}
478	root	1.18
479	root	1.19	} elsif ($o->{more}) {
480			# linked faces, slowest and most annoying
481	root	1.18
482	root	1.19	while ($o = $o->{more}) {
483			my $face = $FACE{$o->{face}}
484			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
485
486	root	1.26	$x1 = min $x1, $x + $o->{x}; $y1 = min $y1, $y + $o->{y};
487			$x2 = max $x2, $x + $o->{x}; $y2 = max $y2, $y + $o->{y};
488	root	1.19
489	root	1.26	push @{ $a->{_more} }, [$x + $o->{x}, $y + $o->{y}];
490	root	1.19	push @{ $data->[$x+$o->{x}][$y+$o->{y}] }, {
491			_virtual => $a,
492			_virtual_x => $x,
493			_virtual_y => $y,
494			_face => $face->{idx},
495			};
496			}
497			}
498	root	1.18	}
499
500	root	1.19	$data->[$x][$y] = $as;
501	root	1.18
502	root	1.19	$self->queue_draw_area (
503			$x1 * TILESIZE - $self->{x}, $y1 * TILESIZE - $self->{y},
504	root	1.25	($x2 - $x1 + 1) * TILESIZE, ($y2 - $y1 + 1) * TILESIZE,
505	root	1.19	);
506
507			delete $self->{tipinfo}; $self->update_tooltip;
508	root	1.18
509			}
510
511	root	1.23	sub change_begin {
512			my ($self, $title) = @_;
513
514			$self->{change} \|\|= {
515			title => $title,
516			};
517			$self->{change}{nest}++;
518			}
519
520	root	1.18	sub change_stack {
521			my ($self, $x, $y, $as) = @_;
522	root	1.1
523	root	1.18	$self->{change}{map}[$x][$y] \|\|= [$x, $y, $self->{map}{map}[$x][$y]];
524	root	1.1
525	root	1.18	$self->set ($x, $y, $as);
526			}
527	root	1.1
528	root	1.18	sub change_end {
529			my ($self) = @_;
530	root	1.11
531	root	1.18	--$self->{change}{nest} and return;
532	root	1.1
533	root	1.18	my $change = delete $self->{change};
534	root	1.1
535	root	1.18	delete $change->{nest};
536	root	1.1
537	root	1.18	$change->{set} = [
538			grep $_,
539			map @$_,
540			grep $_,
541			@{ delete $change->{map} \|\| [] }
542			];
543	root	1.1
544	root	1.18	@{ $change->{set} } or return;
545	root	1.1
546	root	1.18	$change
547			}
548	root	1.1
549	root	1.18	sub change_swap {
550			my ($self, $change) = @_;
551	root	1.1
552	root	1.18	for (@{ $change->{set} }) {
553	root	1.24	my $stack = $self->get ($_->[0], $_->[1]);
554			$self->set ($_->[0], $_->[1], $_->[2]);
555			$_->[2] = $stack;
556			}
557	root	1.1
558	root	1.24	$self->invalidate_all;
559	root	1.1	}
560
561			=back
562
563			=head1 AUTHOR
564
565			Marc Lehmann <schmorp@schmorp.de>
566
567			=cut
568
569			1
570