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