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/cvs/deliantra/Deliantra/Deliantra/MapWidget.pm
Revision: 1.10
Committed: Tue Feb 7 04:03:50 2006 UTC (18 years, 3 months ago) by root
Branch: MAIN
Changes since 1.9: +2 -2 lines
Log Message:
*** empty log message ***

File Contents

# Content
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 $self->signal_connect (destroy => sub {
35 my ($self) = @_;
36
37 $self->{tip}->destroy if $self->{tip};
38
39 %$self = ();
40
41 0
42 });
43 $self->signal_connect (realize => sub {
44 my ($self) = @_;
45
46 $self->{window} = $self->window;
47
48 1
49 });
50
51 $self->set_redraw_on_allocate (0);
52 $self->double_buffered (0);
53
54 $self->{tooltip} = -1; # need focus in first
55
56 # reduces unnecessary redraws
57 $self->signal_connect (focus_in_event => sub { $self->enable_tooltip; 1 });
58 $self->signal_connect (focus_out_event => sub { $self->disable_tooltip; 1 });
59
60 $self->signal_connect_after (enter_notify_event => sub { $self->update_tooltip; 0 });
61 $self->signal_connect_after (leave_notify_event => sub { $self->update_tooltip; 0 });
62
63 $self->signal_connect (size_request => sub {
64 $_[1]->width (TILESIZE);
65 $_[1]->height (TILESIZE);
66
67 1
68 });
69
70 $self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });
71
72 $self->signal_connect_after (configure_event => sub {
73 $self->set_viewport ($self->{x}, $self->{y});
74
75 0
76 });
77
78 $self->signal_connect (button_press_event => sub {
79 my ($self, $event) = @_;
80
81 my ($x, $y) = ($event->x, $event->y);
82
83 if ($_[1]->button == 2 && !$self->{in_drag}) {
84 $self->disable_tooltip;
85
86 $_[0]->grab_focus;
87 $self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
88 return 1;
89 }
90
91 0
92 });
93
94 $self->signal_connect (motion_notify_event => sub {
95 my ($self) = @_;
96
97 $self->update_tooltip;
98
99 if (my $di = $self->{in_drag}) {
100 my ($x, $y) = $self->get_pointer;
101
102 $self->set_viewport (
103 $di->[0] + $di->[2] - $x,
104 $di->[1] + $di->[3] - $y,
105 );
106
107 return 1;
108 }
109
110 0
111 });
112
113 $self->signal_connect (button_release_event => sub {
114 my ($self) = @_;
115
116 $self->enable_tooltip
117 if delete $self->{in_drag};
118
119 0
120 });
121
122 # gtk+ supports no motion compression, a major lacking feature. we have to pay for the
123 # workaround with incorrect behaviour and extra server-turnarounds.
124 $self->add_events ([qw(button_press_mask button_release_mask button-motion-mask
125 pointer-motion-mask pointer-motion-hint-mask
126 enter-notify-mask leave-notify-mask)]);
127 $self->can_focus (1);
128
129 # $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
130 }
131
132 sub enable_tooltip {
133 my ($self) = @_;
134
135 $self->{tooltip}++;
136 $self->update_tooltip;
137 }
138
139 sub disable_tooltip {
140 my ($self) = @_;
141
142 $self->{tooltip}--;
143 $self->update_tooltip;
144 }
145
146 sub overlay {
147 my ($self, $name, $x, $y, $w, $h, $cb) = @_;
148
149 if (my $ov = delete $self->{overlay}{$name}) {
150 my ($x, $y, $w, $h) = @$ov;
151
152 $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
153 }
154
155 if ($h) {
156 $self->{overlay}{$name} = [$x, $y, $w, $h, $cb];
157
158 $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
159 }
160 }
161
162 sub update_tooltip {
163 my ($self) = @_;
164
165 if ($self->{tooltip} >= 0
166 && $self->mapped
167 && $self->get_toplevel->has_toplevel_focus) {
168 my $screen = $self->{window}->get_screen;
169
170 if ($self->{window} == ($screen->get_display->get_window_at_pointer)[0]) {
171 my ($pscreen, $x, $y) = $screen->get_display->get_pointer;
172
173 if ($pscreen == $screen) {
174 if (!$self->{tip}) {
175 $self->{tip} = new Gtk2::Window "popup";
176 $self->{tip}->can_focus (0);
177 $self->{tip}->set_name ("gtk-tooltips");
178 $self->{tip}->set_decorated (0);
179 $self->{tip}->set_border_width (4);
180 $self->{tip}->set_has_frame (0);
181 $self->{tip}->set_resizable (0);
182 $self->{tip}->set_transient_for ($self->get_toplevel);
183 }
184
185 my ($mx, $my) = $self->coord ($self->get_pointer);
186
187 if ($self->{tipinfo}[0] != $mx || $self->{tipinfo}[1] != $my) {
188 $self->fill_tooltip ($mx, $my);
189
190 $self->{tipinfo} = [$mx, $my];
191
192 $self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
193 my ($self, $x, $y) = @_;
194
195 $self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
196 $x + $_, $y + $_,
197 TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
198 for 0..3;
199
200 my $req = $self->{tip}->size_request;
201 $self->{tip}->resize ($req->width, $req->height);
202 });
203 }
204
205 $self->{tip}->move ($x + TILESIZE, $y);
206 $self->{tip}->show_all;
207
208 return;
209 }
210 }
211 }
212
213 $self->overlay ("_tooltip");
214 delete $self->{tipinfo};
215 (delete $self->{tip})->destroy if $self->{tip};
216 }
217
218 sub fill_tooltip {
219 my ($self, $x, $y) = @_;
220
221 $self->{tip}->remove ($self->{tip}->get_children)
222 if $self->{tip}->get_children;
223
224 $self->{tip}->add (my $frame = new Gtk2::Frame "($x|$y)");
225
226 if ($x < 0 || $x >= $self->{map}{width}
227 || $y < 0 || $y >= $self->{map}{height}) {
228 $frame->add (new Gtk2::Label "<off-map>");
229 } else {
230 $frame->add (my $vbox = new Gtk2::VBox 1, 1);
231
232 #TODO: fill tooltip via signal, defaulting to this:
233
234 # fill tooltip with info about $x, $y
235 my $as = $self->{map}{map}[$x][$y] || [];
236 for my $a (reverse @$as) {
237 $vbox->add (my $hbox = new Gtk2::HBox 0, 2);
238
239 my $tile = $Crossfire::Tilecache::TILECACHE{ $a->{face} || $ARCH->{$a->{_name}}{face} };
240
241 # this is awful, is this really the best way?
242 my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
243 $pb->fill (0x00000000);
244
245 $Crossfire::Tilecache::TILECACHE->composite ($pb,
246 0, 0,
247 TILESIZE, TILESIZE,
248 - ($tile->{idx} % 64) * TILESIZE, - TILESIZE * int $tile->{idx} / 64,
249 1, 1, 'nearest', 255
250 );
251
252 $hbox->add (my $img = new_from_pixbuf Gtk2::Image $pb);
253 $img->set_alignment (0, 0.5);
254
255 $hbox->add (my $label = new Gtk2::Label $a->{_name});
256 $label->set_alignment (0, 0.5);
257 }
258 }
259 }
260
261 sub set_viewport {
262 my ($self, $x, $y) = @_;
263
264 my $area = $self->allocation;
265
266 $x = max 0, min $self->{width} - $area->width , $x;
267 $y = max 0, min $self->{height} - $area->height, $y;
268
269 $self->window->scroll ($self->{x} - $x, $self->{y} - $y);
270
271 ($self->{x}, $self->{y}) = ($x, $y);
272 }
273
274 sub set_map {
275 my ($self, $map) = @_;
276
277 $self->{map} = $map;
278
279 $self->{width} = $map->{width} * TILESIZE;
280 $self->{height} = $map->{height} * TILESIZE;
281
282 $self->{x} =
283 $self->{y} = 0;
284
285 delete $self->{face};
286 $self->update_map (0, 0, $self->{width}, $self->{height});
287 delete $self->{tipinfo};
288 $self->update_tooltip;
289 $self->invalidate_all;
290 }
291
292 sub coord {
293 my ($self, $x, $y) = @_;
294
295 (
296 int +($self->{x} + $x) / TILESIZE,
297 int +($self->{y} + $y) / TILESIZE,
298 )
299 }
300
301 #sub handle_key {
302 # my ($self, $key, $state) = @_;
303 #
304 # $self->prefetch_cancel;
305 #
306 # if ($state * "control-mask") {
307 # if ($key == $Gtk2::Gdk::Keysyms{g}) {
308 # my @sel = keys %{$self->{sel}};
309 # $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
310 # }
311 #
312 # 1
313 #}
314
315 sub invalidate {
316 my ($self, $x, $y, $w, $h) = @_;
317
318 return unless $self->{window};
319
320 $self->queue_draw_area (
321 map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
322 );
323 }
324
325 sub invalidate_all {
326 my ($self) = @_;
327
328 $self->queue_draw;
329 }
330
331 sub update_map {
332 my ($self, $x, $y, $w, $h) = @_;
333
334 delete $self->{overlay};
335
336 my $map = $self->{map}{map};
337 my $ov = $self->{face} ||= [];
338
339 $x = 0; $w = $self->{map}{width};
340 $y = 0; $h = $self->{map}{height};
341
342 my @x = ($x .. $x + $w - 1);
343 my @y = ($y .. $y + $h - 1);
344
345 my $TC = \%Crossfire::Tilecache::TILECACHE;
346
347 my @ov;
348
349 # update overlay map with bigfaces and chained faces
350 my $a;
351 for my $x (@x) {
352 my $ass = $self->{map}{map}[$x];
353 my $oss = $ov->[$x] ||= [];
354 for my $y (@y) {
355 my $os = $oss->[$y] = [];
356 for my $a (@{ $ass->[$y] || [] }) {
357 my $o = $ARCH->{$a->{_name}}
358 or (warn "arch '$a->{_name}' not found at ($x|$y)\n"), next;
359
360 my $tile = $TC->{$a->{face} || $o->{face}}
361 or (warn "no gfx found for arch '$a->{_name}' at ($x|$y)\n"), next;
362
363 if ($tile->{w} > 1 || $tile->{h} > 1) {
364 # bigfaces
365 for my $ox (0 .. $tile->{w} - 1) {
366 for my $oy (0 .. $tile->{h} - 1) {
367 push @ov, [$x + $ox, $y + $oy,
368 $tile->{idx} + $ox + $oy * $tile->{w}];
369 }
370 }
371
372 } elsif ($o->{more}) {
373 # linked faces
374 do {
375 my $tile = $TC->{$o->{face}}
376 or (warn "no gfx found for arch '$a->{_name}' at ($x*|$y*)\n"), next;
377 push @ov, [$x + $o->{x}, $y + $o->{y}, $tile->{idx}];
378 } while $o = $o->{more};
379
380 } else {
381 # single face
382 push @$os, $tile->{idx};
383
384 }
385 }
386 }
387 }
388
389 # bigger faces always on top, I don't give a shit to those who think otherwise
390 for (@ov) {
391 my ($x, $y, $idx) = @$_;
392
393 push @{ $ov->[$x][$y] }, $idx;
394 }
395
396 $self->queue_draw_area ($x * TILESIZE - $self->{x},
397 $y * TILESIZE - $self->{y},
398 $w * TILESIZE, $h * TILESIZE);
399 }
400
401 sub expose {
402 my ($self, $event) = @_;
403
404 no integer;
405
406 my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
407 my $oy = $self->{y}; my $iy = int $oy / TILESIZE;
408
409 # get_rectangles is buggy in older versions
410 for my $area ($Gtk2::VERSION > 1.115 ? $event->region->get_rectangles : $event->area) {
411 my ($x, $y, $w, $h) = $area->values; # x y w h
412
413 my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
414 my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);
415
416 my $PB = $Crossfire::Tilecache::TILECACHE;
417
418 my $window = $self->{window};
419
420 my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
421 $pb->fill (0x00000000);
422
423 for my $x (@x) {
424 my $dx = ($x - $x[0]) * TILESIZE;
425 my $oss = $self->{face}[$x];
426
427 for my $y (@y) {
428 my $dy = ($y - $y[0]) * TILESIZE;
429
430 for my $idx (@{$oss->[$y]}) {
431 $PB->composite ($pb,
432 $dx, $dy,
433 TILESIZE, TILESIZE,
434 $dx - ($idx % 64) * TILESIZE, $dy - TILESIZE * int $idx / 64,
435 1, 1, 'nearest', 255
436 );
437 }
438 }
439 }
440
441 $pb->render_to_drawable ($window, $self->style->black_gc,
442 0, 0,
443 $x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
444 TILESIZE * @x, TILESIZE * @y,
445 'max', 0, 0);
446 }
447
448 $_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
449 for values %{ $self->{overlay} || {} };
450 }
451
452 =back
453
454 =head1 AUTHOR
455
456 Marc Lehmann <schmorp@schmorp.de>
457
458 =cut
459
460 1
461