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 Crossfire;
use Crossfire::Tilecache;

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

use List::Util qw(min max);

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

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

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

      1
   });

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

   $self->signal_connect (size_request => sub {
      $_[1]->width  (20 * TILESIZE);
      $_[1]->height (20 * 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
   });

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

   $self->{tooltip} = -1; # initially disabled

   $self->signal_connect_after (enter_notify_event => sub { $self->enable_tooltip;  0 });
   $self->signal_connect_after (leave_notify_event => sub { $self->disable_tooltip; 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(key_press_mask key_release_mask
                          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 ($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) {
      my $screen = $self->{window}->get_screen;
      my ($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);
         }

         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}->show_all;
         }

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

         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)");

   $frame->set_shadow_type ("none");

   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, 2);

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

      # fill tooltip with info about $x, $y
      my $as = $self->{map}{map}[$x][$y] || [];
      for my $a (@$as) {
         $vbox->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;

   delete $self->{face};
   $self->update_map (0, 0, $self->{width}, $self->{height});
   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}});
#      } elsif ($key == $Gtk2::Gdk::Keysyms{a}) {
#         $self->select_all;
#      } elsif ($key == $Gtk2::Gdk::Keysyms{A}) {
#         $self->select_range ($self->{offs}, $self->{offs} + $self->{cols} * $self->{page} - 1);
#      } elsif ($key == $Gtk2::Gdk::Keysyms{s}) {
#         $self->rescan;
#      } elsif ($key == $Gtk2::Gdk::Keysyms{d}) {
#         $self->unlink (keys %{$self->{sel}});
#      } elsif ($key == $Gtk2::Gdk::Keysyms{u}) {
#         my @sel = keys %{$self->{sel}};
#         $self->update_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
#
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) {
#         $self->cursor_move (0) unless $self->cursor_valid;
#         $self->emit_activate ($self->{cursor});
#      } elsif ($key == $Gtk2::Gdk::Keysyms{space}) {
#         $self->cursor_move (1) or return 1
#            if $self->{cursor_current} || !$self->cursor_valid;
#         $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
#         $self->prefetch (1);
#      } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) {
#         $self->cursor_move (-1) or return 1;
#         $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
#         $self->prefetch (-1);
#
#      } else {
#         return 0;
#      }
#   } else {
#      if ($key == $Gtk2::Gdk::Keysyms{Page_Up}) {
#         my $value = $self->{adj}->value;
#         $self->{adj}->set_value ($value >= $self->{page} ? $value - $self->{page} : 0);
#         $self->clear_cursor;
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Page_Down}) {
#         my $value = $self->{adj}->value + $self->{page};
#         $self->{adj}->set_value ($value <= $self->{maxrow} ? $value : $self->{maxrow});
#         $self->clear_cursor;
#
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Home}) {
#         $self->{adj}->set_value (0);
#         $self->clear_cursor;
#      } elsif ($key == $Gtk2::Gdk::Keysyms{End}) {
#         $self->{adj}->set_value ($self->{maxrow});
#         $self->clear_cursor;
#
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Up}) {
#         $self->cursor_move (-$self->{cols});
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Down}) {
#         $self->cursor_move (+$self->{cols});
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Left}) {
#         $self->cursor_move (-1);
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Right}) {
#         $self->cursor_move (+1);
#
#      } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) {
#         $self->cursor_move (0) unless $self->cursor_valid;
#         $self->emit_activate ($self->{cursor});
#      } elsif ($key == $Gtk2::Gdk::Keysyms{space}) {
#         $self->cursor_move (1) or return 1
#            if $self->{cursor_current} || !$self->cursor_valid;
#         $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
#         $self->prefetch (1);
#      } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) {
#         $self->cursor_move (-1) or return 1;
#         $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
#         $self->prefetch (-1);
#
#      } elsif ($key == ord '^') {
#         $self->updir if exists $self->{dir};
#
#      } elsif (($key >= (ord '0') && $key <= (ord '9'))
#               || ($key >= (ord 'a') && $key <= (ord 'z'))) {
#
#         $key = chr $key;
#
#         my ($idx, $cursor) = (0, 0);
#
#         $self->clear_selection;
#
#         for my $entry (@{$self->{entry}}) {
#            $idx++;
#            $cursor = $idx if $key gt lcfirst $entry->[1];
#         }
#
#         if ($cursor < @{$self->{entry}}) {
#            delete $self->{cursor_current};
#            $self->{sel}{$cursor} = $self->{entry}[$cursor];
#            $self->{cursor} = $cursor;
#
#            $self->{adj}->set_value (min $self->{maxrow}, $cursor / $self->{cols});
#            $self->emit_sel_changed;
#            $self->invalidate_all;
#         }
#      } else {
#         return 0;
#      }
#   }
#
#   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 update_map {
   my ($self, $x, $y, $w, $h) = @_;

   delete $self->{overlay};

   my $map = $self->{map}{map};
   my $ov  = $self->{face} ||= [];

   $x = 0; $w = $self->{map}{width};
   $y = 0; $h = $self->{map}{height};

   my @x = ($x .. $x + $w - 1);
   my @y = ($y .. $y + $h - 1);

   my $TC = \%Crossfire::Tilecache::TILECACHE;

   my @ov;

   # update overlay map with bigfaces and chained faces
   for my $x (@x) {
      my $ass = $self->{map}{map}[$x];
      my $oss = $ov->[$x] ||= [];
      for my $y (@y) {
         my $os = $oss->[$y] = [];
         for my $a (@{ $ass->[$y] || [] }) {
            my $o = $ARCH->{$a->{_name}}
               or (warn "arch '$a->{_name}' not found at ($x|$y)\n"), next;

            my $tile = $TC->{$a->{face} || $o->{face}}
               or (warn "no gfx found for arch '$a->{_name}' at ($x|$y)\n"), next;

            if ($tile->{w} > 1 || $tile->{h} > 1) {
               # bigfaces
               for my $ox (0 .. $tile->{w} - 1) {
                  for my $oy (0 .. $tile->{h} - 1) {
                     push @ov, [$x + $ox, $y + $oy,
                                $tile->{idx} + $ox + $oy * $tile->{w}];
                  }
               }

            } elsif ($o->{more}) {
               # linked faces
               do {
                  my $tile = $TC->{$o->{face}}
                     or (warn "no gfx found for arch '$a->{_name}' at ($x*|$y*)\n"), next;
                  push @ov, [$x + $o->{x}, $y + $o->{y}, $tile->{idx}];
               } while $o = $o->{more};

            } else {
               # single face
               push @$os, $tile->{idx};

            }
         }
      }
   }

   # bigger faces always on top, I don't give a shit to those who think otherwise
   for (@ov) {
      my ($x, $y, $idx) = @$_;

      push @{ $ov->[$x][$y] }, $idx;
   }
}

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
   for my $area ($Gtk2::VERSION > 1.115 ? $event->region->get_rectangles : $event->area) {
      my ($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 $PB = $Crossfire::Tilecache::TILECACHE;

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

      my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
      $pb->fill (0x00000000);

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

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

            for my $idx (@{$oss->[$y]}) {
               $PB->composite ($pb,
                  $dx, $dy,
                  TILESIZE, TILESIZE,
                  $dx - ($idx % 64) * TILESIZE, $dy - TILESIZE * int $idx / 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} || {} };
}

=back

=head1 AUTHOR

Marc Lehmann <schmorp@schmorp.de>

=cut

1

Revision:	1.5
Committed:	Sun Feb 5 23:07:59 2006 UTC (18 years, 4 months ago) by root
Branch:	MAIN
Changes since 1.4:	+9 -8 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
23			use Crossfire;
24			use Crossfire::Tilecache;
25
26			use Glib::Object::Subclass
27			'Gtk2::DrawingArea';
28
29			use List::Util qw(min max);
30
31			sub INIT_INSTANCE {
32			my ($self) = @_;
33
34			$self->signal_connect (destroy => sub { %{$_[0]} = () });
35			$self->signal_connect (realize => sub {
36			my ($self) = @_;
37
38			$self->{window} = $self->window;
39
40			1
41			});
42
43			$self->set_redraw_on_allocate (0); # nope
44			$self->double_buffered (0);
45
46			$self->signal_connect (size_request => sub {
47			$_[1]->width (20 * TILESIZE);
48			$_[1]->height (20 * TILESIZE);
49
50			1
51			});
52
53	root	1.2	$self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });
54	root	1.1
55			$self->signal_connect_after (configure_event => sub {
56			$self->set_viewport ($self->{x}, $self->{y});
57	root	1.2
58			0
59	root	1.1	});
60
61	root	1.2	# reduces unnecessary redraws
62			$self->signal_connect_after (focus_in_event => sub { 1 });
63			$self->signal_connect_after (focus_out_event => sub { 1 });
64
65			$self->{tooltip} = -1; # initially disabled
66
67			$self->signal_connect_after (enter_notify_event => sub { $self->enable_tooltip; 0 });
68			$self->signal_connect_after (leave_notify_event => sub { $self->disable_tooltip; 0 });
69
70	root	1.1	$self->signal_connect (button_press_event => sub {
71			my ($self, $event) = @_;
72
73	root	1.5	my ($x, $y) = ($event->x, $event->y);
74	root	1.2
75	root	1.5	if ($_[1]->button == 2 && !$self->{in_drag}) {
76			$self->disable_tooltip;
77	root	1.1
78			$_[0]->grab_focus;
79			$self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
80	root	1.2	return 1;
81	root	1.1	}
82
83	root	1.2	0
84	root	1.1	});
85
86			$self->signal_connect (motion_notify_event => sub {
87			my ($self) = @_;
88
89	root	1.2	$self->update_tooltip;
90	root	1.1
91			if (my $di = $self->{in_drag}) {
92	root	1.2	my ($x, $y) = $self->get_pointer;
93
94	root	1.1	$self->set_viewport (
95			$di->[0] + $di->[2] - $x,
96			$di->[1] + $di->[3] - $y,
97			);
98
99	root	1.2	return 1;
100	root	1.1	}
101
102	root	1.2	0
103	root	1.1	});
104
105			$self->signal_connect (button_release_event => sub {
106			my ($self) = @_;
107
108	root	1.5	$self->enable_tooltip
109			if delete $self->{in_drag};
110	root	1.2
111	root	1.5	0
112	root	1.1	});
113
114			# gtk+ supports no motion compression, a major lacking feature. we have to pay for the
115			# workaround with incorrect behaviour and extra server-turnarounds.
116	root	1.2	$self->add_events ([qw(key_press_mask key_release_mask
117			button_press_mask button_release_mask button-motion-mask
118			pointer-motion-mask pointer-motion-hint-mask
119			enter-notify-mask leave-notify-mask)]);
120	root	1.1	$self->can_focus (1);
121
122			# $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
123			}
124
125	root	1.2	sub enable_tooltip {
126			my ($self) = @_;
127
128			$self->{tooltip}++;
129			$self->update_tooltip;
130			}
131
132			sub disable_tooltip {
133			my ($self) = @_;
134
135			$self->{tooltip}--;
136			$self->update_tooltip;
137			}
138
139	root	1.3	sub overlay {
140			my ($self, $name, $x, $y, $w, $h, $cb) = @_;
141
142			if (my $ov = delete $self->{overlay}{$name}) {
143			my ($x, $y, $w, $h) = @$ov;
144
145			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
146			}
147
148			if ($h) {
149			$self->{overlay}{$name} = [$x, $y, $w, $h, $cb];
150
151			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
152			}
153			}
154
155	root	1.2	sub update_tooltip {
156			my ($self) = @_;
157
158			if ($self->{tooltip} >= 0) {
159			my $screen = $self->{window}->get_screen;
160			my ($pscreen, $x, $y) = $screen->get_display->get_pointer;
161
162			if ($pscreen == $screen) {
163			if (!$self->{tip}) {
164			$self->{tip} = new Gtk2::Window "popup";
165	root	1.3	$self->{tip}->can_focus (0);
166	root	1.2	$self->{tip}->set_name ("gtk-tooltips");
167			$self->{tip}->set_decorated (0);
168			$self->{tip}->set_border_width (4);
169	root	1.5	$self->{tip}->set_has_frame (0);
170			$self->{tip}->set_resizable (0);
171	root	1.2	}
172
173			my ($mx, $my) = $self->coord ($self->get_pointer);
174
175			if ($self->{tipinfo}[0] != $mx \|\| $self->{tipinfo}[1] != $my) {
176			$self->fill_tooltip ($mx, $my);
177
178			$self->{tipinfo} = [$mx, $my];
179	root	1.3
180			$self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
181			my ($self, $x, $y) = @_;
182
183			$self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
184			$x + $_, $y + $_,
185			TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
186			for 0..3;
187
188			my $req = $self->{tip}->size_request;
189			$self->{tip}->resize ($req->width, $req->height);
190			});
191
192			$self->{tip}->show_all;
193	root	1.2	}
194
195			$self->{tip}->move ($x + TILESIZE, $y);
196
197			return;
198			}
199			}
200
201	root	1.3	$self->overlay ("_tooltip");
202	root	1.2	delete $self->{tipinfo};
203			(delete $self->{tip})->destroy if $self->{tip};
204			}
205
206			sub fill_tooltip {
207			my ($self, $x, $y) = @_;
208
209			$self->{tip}->remove ($self->{tip}->get_children)
210			if $self->{tip}->get_children;
211
212			$self->{tip}->add (my $frame = new Gtk2::Frame "($x\|$y)");
213
214			$frame->set_shadow_type ("none");
215
216			if ($x < 0 \|\| $x >= $self->{map}{width}
217			\|\| $y < 0 \|\| $y >= $self->{map}{height}) {
218			$frame->add (new Gtk2::Label "<off-map>");
219			} else {
220	root	1.3	$frame->add (my $vbox = new Gtk2::VBox 1, 2);
221	root	1.2
222			#TODO: fill tooltip via signal, defaulting to this:
223
224			# fill tooltip with info about $x, $y
225			my $as = $self->{map}{map}[$x][$y] \|\| [];
226			for my $a (@$as) {
227	root	1.3	$vbox->add (my $label = new Gtk2::Label $a->{_name});
228	root	1.5	$label->set_alignment (0, 0.5);
229	root	1.2	}
230			}
231			}
232
233	root	1.1	sub set_viewport {
234			my ($self, $x, $y) = @_;
235
236			my $area = $self->allocation;
237
238			$x = max 0, min $self->{width} - $area->width , $x;
239			$y = max 0, min $self->{height} - $area->height, $y;
240
241			$self->window->scroll ($self->{x} - $x, $self->{y} - $y);
242
243			($self->{x}, $self->{y}) = ($x, $y);
244			}
245
246			sub set_map {
247			my ($self, $map) = @_;
248
249			$self->{map} = $map;
250
251			$self->{width} = $map->{width} * TILESIZE;
252			$self->{height} = $map->{height} * TILESIZE;
253
254			$self->{x} =
255			$self->{y} = 0;
256
257			delete $self->{face};
258			$self->update_map (0, 0, $self->{width}, $self->{height});
259	root	1.3	delete $self->{tipinfo};
260			$self->update_tooltip;
261	root	1.1	$self->invalidate_all;
262			}
263
264			sub coord {
265			my ($self, $x, $y) = @_;
266
267			(
268	root	1.4	int +($self->{x} + $x) / TILESIZE,
269			int +($self->{y} + $y) / TILESIZE,
270	root	1.1	)
271			}
272
273			#sub handle_key {
274			# my ($self, $key, $state) = @_;
275			#
276			# $self->prefetch_cancel;
277			#
278			# if ($state * "control-mask") {
279			# if ($key == $Gtk2::Gdk::Keysyms{g}) {
280			# my @sel = keys %{$self->{sel}};
281			# $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
282			# } elsif ($key == $Gtk2::Gdk::Keysyms{a}) {
283			# $self->select_all;
284			# } elsif ($key == $Gtk2::Gdk::Keysyms{A}) {
285			# $self->select_range ($self->{offs}, $self->{offs} + $self->{cols} * $self->{page} - 1);
286			# } elsif ($key == $Gtk2::Gdk::Keysyms{s}) {
287			# $self->rescan;
288			# } elsif ($key == $Gtk2::Gdk::Keysyms{d}) {
289			# $self->unlink (keys %{$self->{sel}});
290			# } elsif ($key == $Gtk2::Gdk::Keysyms{u}) {
291			# my @sel = keys %{$self->{sel}};
292			# $self->update_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
293			#
294			# } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) {
295			# $self->cursor_move (0) unless $self->cursor_valid;
296			# $self->emit_activate ($self->{cursor});
297			# } elsif ($key == $Gtk2::Gdk::Keysyms{space}) {
298			# $self->cursor_move (1) or return 1
299			# if $self->{cursor_current} \|\| !$self->cursor_valid;
300			# $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
301			# $self->prefetch (1);
302			# } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) {
303			# $self->cursor_move (-1) or return 1;
304			# $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
305			# $self->prefetch (-1);
306			#
307			# } else {
308			# return 0;
309			# }
310			# } else {
311			# if ($key == $Gtk2::Gdk::Keysyms{Page_Up}) {
312			# my $value = $self->{adj}->value;
313			# $self->{adj}->set_value ($value >= $self->{page} ? $value - $self->{page} : 0);
314			# $self->clear_cursor;
315			# } elsif ($key == $Gtk2::Gdk::Keysyms{Page_Down}) {
316			# my $value = $self->{adj}->value + $self->{page};
317			# $self->{adj}->set_value ($value <= $self->{maxrow} ? $value : $self->{maxrow});
318			# $self->clear_cursor;
319			#
320			# } elsif ($key == $Gtk2::Gdk::Keysyms{Home}) {
321			# $self->{adj}->set_value (0);
322			# $self->clear_cursor;
323			# } elsif ($key == $Gtk2::Gdk::Keysyms{End}) {
324			# $self->{adj}->set_value ($self->{maxrow});
325			# $self->clear_cursor;
326			#
327			# } elsif ($key == $Gtk2::Gdk::Keysyms{Up}) {
328			# $self->cursor_move (-$self->{cols});
329			# } elsif ($key == $Gtk2::Gdk::Keysyms{Down}) {
330			# $self->cursor_move (+$self->{cols});
331			# } elsif ($key == $Gtk2::Gdk::Keysyms{Left}) {
332			# $self->cursor_move (-1);
333			# } elsif ($key == $Gtk2::Gdk::Keysyms{Right}) {
334			# $self->cursor_move (+1);
335			#
336			# } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) {
337			# $self->cursor_move (0) unless $self->cursor_valid;
338			# $self->emit_activate ($self->{cursor});
339			# } elsif ($key == $Gtk2::Gdk::Keysyms{space}) {
340			# $self->cursor_move (1) or return 1
341			# if $self->{cursor_current} \|\| !$self->cursor_valid;
342			# $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
343			# $self->prefetch (1);
344			# } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) {
345			# $self->cursor_move (-1) or return 1;
346			# $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
347			# $self->prefetch (-1);
348			#
349			# } elsif ($key == ord '^') {
350			# $self->updir if exists $self->{dir};
351			#
352			# } elsif (($key >= (ord '0') && $key <= (ord '9'))
353			# \|\| ($key >= (ord 'a') && $key <= (ord 'z'))) {
354			#
355			# $key = chr $key;
356			#
357			# my ($idx, $cursor) = (0, 0);
358			#
359			# $self->clear_selection;
360			#
361			# for my $entry (@{$self->{entry}}) {
362			# $idx++;
363			# $cursor = $idx if $key gt lcfirst $entry->[1];
364			# }
365			#
366			# if ($cursor < @{$self->{entry}}) {
367			# delete $self->{cursor_current};
368			# $self->{sel}{$cursor} = $self->{entry}[$cursor];
369			# $self->{cursor} = $cursor;
370			#
371			# $self->{adj}->set_value (min $self->{maxrow}, $cursor / $self->{cols});
372			# $self->emit_sel_changed;
373			# $self->invalidate_all;
374			# }
375			# } else {
376			# return 0;
377			# }
378			# }
379			#
380			# 1
381			#}
382
383			sub invalidate {
384			my ($self, $x, $y, $w, $h) = @_;
385
386			return unless $self->{window};
387
388			$self->queue_draw_area (
389			map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
390			);
391			}
392
393			sub invalidate_all {
394			my ($self) = @_;
395
396			$self->queue_draw;
397			}
398
399			sub update_map {
400			my ($self, $x, $y, $w, $h) = @_;
401
402			delete $self->{overlay};
403
404			my $map = $self->{map}{map};
405			my $ov = $self->{face} \|\|= [];
406
407			$x = 0; $w = $self->{map}{width};
408			$y = 0; $h = $self->{map}{height};
409
410			my @x = ($x .. $x + $w - 1);
411			my @y = ($y .. $y + $h - 1);
412
413			my $TC = \%Crossfire::Tilecache::TILECACHE;
414
415			my @ov;
416
417			# update overlay map with bigfaces and chained faces
418			for my $x (@x) {
419			my $ass = $self->{map}{map}[$x];
420			my $oss = $ov->[$x] \|\|= [];
421			for my $y (@y) {
422			my $os = $oss->[$y] = [];
423			for my $a (@{ $ass->[$y] \|\| [] }) {
424			my $o = $ARCH->{$a->{_name}}
425			or (warn "arch '$a->{_name}' not found at ($x\|$y)\n"), next;
426
427			my $tile = $TC->{$a->{face} \|\| $o->{face}}
428			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
429
430			if ($tile->{w} > 1 \|\| $tile->{h} > 1) {
431			# bigfaces
432			for my $ox (0 .. $tile->{w} - 1) {
433			for my $oy (0 .. $tile->{h} - 1) {
434			push @ov, [$x + $ox, $y + $oy,
435			$tile->{idx} + $ox + $oy * $tile->{w}];
436			}
437			}
438
439			} elsif ($o->{more}) {
440			# linked faces
441			do {
442			my $tile = $TC->{$o->{face}}
443			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
444			push @ov, [$x + $o->{x}, $y + $o->{y}, $tile->{idx}];
445			} while $o = $o->{more};
446
447			} else {
448			# single face
449			push @$os, $tile->{idx};
450
451			}
452			}
453			}
454			}
455
456			# bigger faces always on top, I don't give a shit to those who think otherwise
457			for (@ov) {
458			my ($x, $y, $idx) = @$_;
459
460			push @{ $ov->[$x][$y] }, $idx;
461			}
462			}
463
464			sub expose {
465			my ($self, $event) = @_;
466
467			no integer;
468
469			my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
470			my $oy = $self->{y}; my $iy = int $oy / TILESIZE;
471
472			# get_rectangles is buggy in older versions
473			for my $area ($Gtk2::VERSION > 1.115 ? $event->region->get_rectangles : $event->area) {
474			my ($x, $y, $w, $h) = $area->values; # x y w h
475
476			my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
477			my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);
478
479			my $PB = $Crossfire::Tilecache::TILECACHE;
480
481			my $window = $self->{window};
482
483			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
484			$pb->fill (0x00000000);
485
486			for my $x (@x) {
487			my $dx = ($x - $x[0]) * TILESIZE;
488			my $oss = $self->{face}[$x];
489
490			for my $y (@y) {
491			my $dy = ($y - $y[0]) * TILESIZE;
492
493			for my $idx (@{$oss->[$y]}) {
494			$PB->composite ($pb,
495			$dx, $dy,
496			TILESIZE, TILESIZE,
497			$dx - ($idx % 64) * TILESIZE, $dy - TILESIZE * int $idx / 64,
498			1, 1, 'nearest', 255
499			);
500			}
501			}
502			}
503
504			$pb->render_to_drawable ($window, $self->style->black_gc,
505			0, 0,
506			$x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
507			TILESIZE * @x, TILESIZE * @y,
508			'max', 0, 0);
509			}
510	root	1.3
511			$_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
512			for values %{ $self->{overlay} \|\| {} };
513	root	1.1	}
514
515			=back
516
517			=head1 AUTHOR
518
519			Marc Lehmann <schmorp@schmorp.de>
520
521			=cut
522
523			1
524