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Revision: 1.138
Committed: Wed Apr 19 23:37:49 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.137: +16 -16 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 package CFClient::UI;
2
3 use strict;
4
5 use Scalar::Util ();
6 use List::Util ();
7
8 use CFClient;
9
10 our ($FOCUS, $HOVER, $GRAB); # various widgets
11
12 our $ROOT;
13 our $BUTTON_STATE;
14
15 # class methods for events
16 sub feed_sdl_key_down_event {
17 $FOCUS->key_down ($_[0]) if $FOCUS;
18 }
19
20 sub feed_sdl_key_up_event {
21 $FOCUS->key_up ($_[0]) if $FOCUS;
22 }
23
24 sub feed_sdl_button_down_event {
25 my ($ev) = @_;
26 my ($x, $y) = ($ev->{x}, $ev->{y});
27
28 if (!$BUTTON_STATE) {
29 my $widget = $ROOT->find_widget ($x, $y);
30
31 $GRAB = $widget;
32 $GRAB->update if $GRAB;
33 }
34
35 $BUTTON_STATE |= 1 << ($ev->{button} - 1);
36
37 $GRAB->button_down ($ev, $GRAB->coord2local ($x, $y)) if $GRAB;
38 }
39
40 sub feed_sdl_button_up_event {
41 my ($ev) = @_;
42 my ($x, $y) = ($ev->{x}, $ev->{y});
43
44 my $widget = $GRAB || $ROOT->find_widget ($x, $y);
45
46 $BUTTON_STATE &= ~(1 << ($ev->{button} - 1));
47
48 $GRAB->button_up ($ev, $GRAB->coord2local ($x, $y)) if $GRAB;
49
50 if (!$BUTTON_STATE) {
51 my $grab = $GRAB; undef $GRAB;
52 $grab->update if $grab;
53 $GRAB->update if $GRAB;
54 }
55 }
56
57 sub feed_sdl_motion_event {
58 my ($ev) = @_;
59 my ($x, $y) = ($ev->{x}, $ev->{y});
60
61 my $widget = $GRAB || $ROOT->find_widget ($x, $y);
62
63 if ($widget != $HOVER) {
64 my $hover = $HOVER; $HOVER = $widget;
65
66 $hover->update if $hover && $hover->{can_hover};
67 $HOVER->update if $HOVER && $HOVER->{can_hover};
68 }
69
70 $HOVER->mouse_motion ($ev, $HOVER->coord2local ($x, $y)) if $HOVER;
71 }
72
73 # convert position array to integers
74 sub harmonize {
75 my ($vals) = @_;
76
77 my $rem = 0;
78
79 for (@$vals) {
80 my $i = int $_ + $rem;
81 $rem += $_ - $i;
82 $_ = $i;
83 }
84 }
85
86 #############################################################################
87
88 package CFClient::UI::Base;
89
90 use strict;
91
92 use CFClient::OpenGL;
93
94 sub new {
95 my $class = shift;
96
97 my $self = bless {
98 x => 0,
99 y => 0,
100 z => 0,
101 @_
102 }, $class;
103
104 for (keys %$self) {
105 if (/^connect_(.*)$/) {
106 $self->connect ($1 => delete $self->{$_});
107 }
108 }
109
110 $self
111 }
112
113 sub show {
114 my ($self) = @_;
115
116 return if $self->{parent};
117
118 $CFClient::UI::ROOT->add ($self);
119 }
120
121 sub hide {
122 my ($self) = @_;
123
124 return unless $self->{parent};
125
126 $self->{parent}->remove ($self);
127 }
128
129 sub move {
130 my ($self, $x, $y, $z) = @_;
131
132 $self->{x} = int $x;
133 $self->{y} = int $y;
134 $self->{z} = $z if defined $z;
135
136 $self->update;
137 }
138
139 sub needs_redraw {
140 0
141 }
142
143 sub size_request {
144 require Carp;
145 Carp::confess "size_request is abtract";
146 }
147
148 sub configure {
149 my ($self, $x, $y, $w, $h) = @_;
150
151 $self->{x} = $x;
152 $self->{y} = $y;
153
154 return unless $self->{w} != $w || $self->{h} != $h;
155
156 $self->{w} = $w;
157 $self->{h} = $h;
158
159 $self->size_allocate ($w, $h);
160 $self->update;
161 }
162
163 sub size_allocate {
164 # nothing to be done
165 }
166
167 # return top left coordinates
168 sub _topleft {
169 my ($self, $x, $y) = @_;
170
171 $self->{parent}->_topleft ($x + $self->{x}, $y + $self->{y});
172 }
173
174 # translate global coordinates to local coordinate system
175 sub coord2local {
176 my ($self, $x, $y) = @_;
177
178 my ($X, $Y) = $self->_topleft;
179 ($x - $X, $y - $Y)
180 }
181
182 # translate local coordinates to global coordinate system
183 sub coord2global {
184 my ($self, $x, $y) = @_;
185
186 my ($X, $Y) = $self->_topleft;
187 ($x + $X, $y + $Y)
188 }
189
190 sub focus_in {
191 my ($self) = @_;
192
193 return if $FOCUS == $self;
194 return unless $self->{can_focus};
195
196 my $focus = $FOCUS; $FOCUS = $self;
197
198 $self->emit (focus_in => $focus);
199
200 $focus->update if $focus;
201 $FOCUS->update;
202 }
203
204 sub focus_out {
205 my ($self) = @_;
206
207 return unless $FOCUS == $self;
208
209 my $focus = $FOCUS; undef $FOCUS;
210
211 $self->emit (focus_out => $focus);
212
213 $focus->update if $focus; #?
214 }
215
216 sub mouse_motion { }
217 sub button_up { }
218 sub key_down { }
219 sub key_up { }
220
221 sub button_down {
222 my ($self, $ev, $x, $y) = @_;
223
224 $self->focus_in;
225 }
226
227 sub w { $_[0]{w} = $_[1] if @_ > 1; $_[0]{w} }
228 sub h { $_[0]{h} = $_[1] if @_ > 1; $_[0]{h} }
229 sub x { $_[0]{x} = $_[1] if @_ > 1; $_[0]{x} }
230 sub y { $_[0]{y} = $_[1] if @_ > 1; $_[0]{y} }
231 sub z { $_[0]{z} = $_[1] if @_ > 1; $_[0]{z} }
232
233 sub draw {
234 my ($self) = @_;
235
236 return unless $self->{h} && $self->{w};
237
238 glPushMatrix;
239 glTranslate $self->{x}, $self->{y}, 0;
240 $self->_draw;
241 glPopMatrix;
242
243 if ($self == $HOVER && $self->{can_hover}) {
244 my ($x, $y) = @$self{qw(x y)};
245
246 glColor 1, 0.8, 0.5, 0.2;
247 glEnable GL_BLEND;
248 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
249 glBegin GL_QUADS;
250 glVertex $x , $y;
251 glVertex $x + $self->{w}, $y;
252 glVertex $x + $self->{w}, $y + $self->{h};
253 glVertex $x , $y + $self->{h};
254 glEnd;
255 glDisable GL_BLEND;
256 }
257 }
258
259 sub _draw {
260 my ($self) = @_;
261
262 warn "no draw defined for $self\n";
263 }
264
265 sub find_widget {
266 my ($self, $x, $y) = @_;
267
268 return $self
269 if $x >= $self->{x} && $x < $self->{x} + $self->{w}
270 && $y >= $self->{y} && $y < $self->{y} + $self->{h};
271
272 ()
273 }
274
275 sub set_parent {
276 my ($self, $parent) = @_;
277
278 Scalar::Util::weaken ($self->{parent} = $parent);
279 }
280
281 sub check_size {
282 my ($self) = @_;
283
284 my ($w, $h) = $self->size_request;
285
286 if ($w != $self->{req_w} || $h != $self->{req_h}) {
287 $self->{req_w} = $w;
288 $self->{req_h} = $h;
289
290 $self->{parent}->check_size
291 if $self->{parent};
292 }
293 }
294
295 sub update {
296 my ($self) = @_;
297
298 $self->{parent}->update
299 if $self->{parent};
300 }
301
302 sub connect {
303 my ($self, $signal, $cb) = @_;
304
305 push @{ $self->{signal_cb}{$signal} }, $cb;
306 }
307
308 sub emit {
309 my ($self, $signal, @args) = @_;
310
311 for my $cb (@{$self->{signal_cb}{$signal} || []}) {
312 $cb->($self, @args);
313 }
314 }
315
316 sub DESTROY {
317 my ($self) = @_;
318
319 #$self->deactivate;
320 }
321
322 #############################################################################
323
324 package CFClient::UI::DrawBG;
325
326 our @ISA = CFClient::UI::Base::;
327
328 use strict;
329 use CFClient::OpenGL;
330
331 sub new {
332 my $class = shift;
333
334 # range [value, low, high, page]
335
336 $class->SUPER::new (
337 bg => [0, 0, 0, 0.2],
338 active_bg => [1, 1, 1, 0.5],
339 @_
340 )
341 }
342
343 sub _draw {
344 my ($self) = @_;
345
346 my ($w, $h) = @$self{qw(w h)};
347
348 glEnable GL_BLEND;
349 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
350 glColor @{ $FOCUS == $self ? $self->{active_bg} : $self->{bg} };
351
352 glBegin GL_QUADS;
353 glVertex 0 , 0;
354 glVertex 0 , $h;
355 glVertex $w, $h;
356 glVertex $w, 0;
357 glEnd;
358
359 glDisable GL_BLEND;
360 }
361
362 #############################################################################
363
364 package CFClient::UI::Empty;
365
366 our @ISA = CFClient::UI::Base::;
367
368 sub size_request {
369 (0, 0)
370 }
371
372 sub draw { }
373
374 #############################################################################
375
376 package CFClient::UI::Container;
377
378 our @ISA = CFClient::UI::Base::;
379
380 sub new {
381 my ($class, %arg) = @_;
382
383 my $children = delete $arg{children} || [];
384
385 my $self = $class->SUPER::new (children => [], %arg);
386 $self->add ($_) for @$children;
387
388 $self
389 }
390
391 sub add {
392 my ($self, $child) = @_;
393
394 $child->set_parent ($self);
395
396 use sort 'stable';
397
398 $self->{children} = [
399 sort { $a->{z} <=> $b->{z} }
400 @{$self->{children}}, $child
401 ];
402
403 $child->check_size;
404 }
405
406 sub remove {
407 my ($self, $child) = @_;
408
409 delete $child->{parent};
410
411 $self->{children} = [ grep $_ != $child, @{ $self->{children} } ];
412
413 $self->check_size;
414 }
415
416 sub find_widget {
417 my ($self, $x, $y) = @_;
418
419 $x -= $self->{x};
420 $y -= $self->{y};
421
422 my $res;
423
424 for (reverse @{ $self->{children} }) {
425 $res = $_->find_widget ($x, $y)
426 and return $res;
427 }
428
429 $self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
430 }
431
432 sub _draw {
433 my ($self) = @_;
434
435 $_->draw for @{$self->{children}};
436 }
437
438 #############################################################################
439
440 package CFClient::UI::Bin;
441
442 our @ISA = CFClient::UI::Container::;
443
444 sub new {
445 my ($class, %arg) = @_;
446
447 my $child = (delete $arg{child}) || new CFClient::UI::Empty::;
448
449 $class->SUPER::new (children => [$child], %arg)
450 }
451
452 sub add {
453 my ($self, $child) = @_;
454
455 $self->{children} = [];
456
457 $self->SUPER::add ($child);
458 }
459
460 sub remove {
461 my ($self, $widget) = @_;
462
463 $self->SUPER::remove ($widget);
464
465 $self->{children} = [new CFClient::UI::Empty]
466 unless @{$self->{children}};
467 }
468
469 sub child { $_[0]->{children}[0] }
470
471 sub size_request {
472 $_[0]{children}[0]->size_request
473 }
474
475 sub size_allocate {
476 my ($self, $w, $h) = @_;
477
478 $self->{children}[0]->configure (0, 0, $w, $h);
479 }
480
481 #############################################################################
482
483 package CFClient::UI::Window;
484
485 our @ISA = CFClient::UI::Bin::;
486
487 use CFClient::OpenGL;
488
489 sub new {
490 my ($class, %arg) = @_;
491
492 my $self = $class->SUPER::new (%arg);
493 }
494
495 sub update {
496 my ($self) = @_;
497
498 # we want to do this delayed...
499 $self->render_chld;
500 $self->SUPER::update;
501 }
502
503 sub render_chld {
504 my ($self) = @_;
505
506 $self->{texture} = new_from_opengl CFClient::Texture $self->{w}, $self->{h}, sub {
507 glClearColor 0, 0, 0, 1;
508 glClear GL_COLOR_BUFFER_BIT;
509 $self->child->draw;
510 };
511 }
512
513 sub size_allocate {
514 my ($self, $w, $h) = @_;
515
516 $self->child->configure (0, 0, $w, $h);
517
518 $self->render_chld;
519 }
520
521 sub _draw {
522 my ($self) = @_;
523
524 my ($w, $h) = ($self->w, $self->h);
525
526 my $tex = $self->{texture}
527 or return;
528
529 glEnable GL_BLEND;
530 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
531 glEnable GL_TEXTURE_2D;
532 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
533
534 $tex->draw_quad (0, 0, $w, $h);
535
536 glDisable GL_BLEND;
537 glDisable GL_TEXTURE_2D;
538 }
539
540 #############################################################################
541
542 package CFClient::UI::ViewPort;
543
544 our @ISA = CFClient::UI::Window::;
545
546 sub new { die }
547
548 sub size_request {
549 my ($self) = @_;
550
551 @$self{qw(child_w child_h)} = $self->child->size_request;
552 $self->child->size_allocate (0, 0, @$self{qw(child_w child_h)});
553
554 @$self{qw(child_w child_h)}
555 }
556
557 sub _draw {
558 my ($self) = @_;
559
560 $self->{children}[1]->draw;
561 }
562
563
564 #############################################################################
565
566 package CFClient::UI::Frame;
567
568 our @ISA = CFClient::UI::Bin::;
569
570 use CFClient::OpenGL;
571
572 sub size_request {
573 my ($self) = @_;
574 my $chld = $self->child
575 or return (0, 0);
576
577 $chld->move (2, 2);
578
579 map { $_ + 4 } $chld->size_request;
580 }
581
582 sub size_allocate {
583 my ($self, $x, $y, $w, $h) = @_;
584
585 $self->child->configure (2, 2, $w - 4, $h - 4);
586 }
587
588 sub _draw {
589 my ($self) = @_;
590
591 my $chld = $self->child;
592
593 my ($w, $h) = $chld->size_request;
594
595 glBegin GL_QUADS;
596 glColor 0, 0, 0;
597 glVertex 0 , 0;
598 glVertex 0 , $h + 4;
599 glVertex $w + 4 , $h + 4;
600 glVertex $w + 4 , 0;
601 glEnd;
602
603 $chld->draw;
604 }
605
606 #############################################################################
607
608 package CFClient::UI::FancyFrame;
609
610 our @ISA = CFClient::UI::Bin::;
611
612 use CFClient::OpenGL;
613
614 my @tex =
615 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
616 qw(d1_bg.png d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
617
618 sub new {
619 my $class = shift;
620
621 # TODO: user_x, user_y, overwrite moveto?
622
623 $class->SUPER::new (
624 bg => [1, 1, 1, 1],
625 border_bg => [1, 1, 1, 1],
626 border => 0.8,
627 @_
628 )
629 }
630
631 sub border {
632 int $_[0]{border} * $::FONTSIZE
633 }
634
635 sub size_request {
636 my ($self) = @_;
637
638 return ($self->{user_w}, $self->{user_h}) if $self->{user_w} && $self->{user_h};
639
640 my ($w, $h) = $self->SUPER::size_request;
641
642 (
643 $w + $self->border * 2,
644 $h + $self->border * 2,
645 )
646 }
647
648 sub size_allocate {
649 my ($self, $w, $h) = @_;
650
651 $h -= List::Util::max 0, $self->border * 2;
652 $w -= List::Util::max 0, $self->border * 2;
653
654 $self->child->configure ($self->border, $self->border, $w, $h);
655 }
656
657 sub button_down {
658 my ($self, $ev, $x, $y) = @_;
659
660 my $border = $self->border;
661
662 if ($x < $self->{w} && $x >= $self->{w} - $border
663 && $y < $self->{h} && $y >= $self->{h} - $border) {
664
665 my ($ox, $oy) = ($ev->button_x, $ev->button_y);
666 my ($bw, $bh) = ($self->{w}, $self->{h});
667
668 $self->{motion} = sub {
669 my ($ev, $x, $y) = @_;
670
671 ($x, $y) = ($ev->motion_x, $ev->motion_y);
672
673 $self->{user_w} = $bw + $x - $ox;
674 $self->{user_h} = $bh + $y - $oy;
675 $self->check_size;
676 };
677
678 } elsif ($x >= 0 && $x < $self->{w}
679 && $y >= 0 && $y < $border) {
680
681 my ($ox, $oy) = ($ev->button_x, $ev->button_y);
682 my ($bx, $by) = ($self->{x}, $self->{y});
683
684 $self->{motion} = sub {
685 my ($ev, $x, $y) = @_;
686
687 ($x, $y) = ($ev->motion_x, $ev->motion_y);
688
689 $self->move ($bx + $x - $ox, $by + $y - $oy);
690 $self->update;
691 };
692 }
693 }
694
695 sub button_up {
696 my ($self, $ev, $x, $y) = @_;
697
698 delete $self->{motion};
699 }
700
701 sub mouse_motion {
702 my ($self, $ev, $x, $y) = @_;
703
704 $self->{motion}->($ev, $x, $y) if $self->{motion};
705 }
706
707 sub _draw {
708 my ($self) = @_;
709
710 my ($w, $h ) = ($self->{w}, $self->{h});
711 my ($cw, $ch) = ($self->child->{w}, $self->child->{h});
712
713 glEnable GL_BLEND;
714 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
715 glEnable GL_TEXTURE_2D;
716 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
717
718 my $border = $self->border;
719
720 glColor @{ $self->{border_bg} };
721 $tex[1]->draw_quad (0, 0, $w, $border);
722 $tex[3]->draw_quad (0, $border, $border, $ch);
723 $tex[2]->draw_quad ($w - $border, $border, $border, $ch);
724 $tex[4]->draw_quad (0, $h - $border, $w, $border);
725
726 my $bg = $tex[0];
727
728 # TODO: repeat texture not scale
729 my $rep_x = $cw / $bg->{w};
730 my $rep_y = $ch / $bg->{h};
731
732 glColor @{ $self->{bg} };
733
734 $bg->{s} = $rep_x;
735 $bg->{t} = $rep_y;
736 $bg->{wrap_mode} = 1;
737 $bg->draw_quad ($border, $border, $cw, $ch);
738
739 glDisable GL_TEXTURE_2D;
740 glDisable GL_BLEND;
741
742 $self->child->draw;
743 }
744
745 #############################################################################
746
747 package CFClient::UI::Table;
748
749 our @ISA = CFClient::UI::Base::;
750
751 use List::Util qw(max sum);
752
753 use CFClient::OpenGL;
754
755 sub new {
756 my $class = shift;
757
758 $class->SUPER::new (
759 col_expand => [],
760 @_
761 )
762 }
763
764 sub add {
765 my ($self, $x, $y, $child) = @_;
766
767 $child->set_parent ($self);
768 $self->{children}[$y][$x] = $child;
769
770 $child->check_size;
771 }
772
773 # TODO: move to container class maybe? send childs a signal on removal?
774 sub clear {
775 my ($self) = @_;
776
777 delete $self->{children};
778 $self->update;
779 }
780
781 sub get_wh {
782 my ($self) = @_;
783
784 my (@w, @h);
785
786 for my $y (0 .. $#{$self->{children}}) {
787 my $row = $self->{children}[$y]
788 or next;
789
790 for my $x (0 .. $#$row) {
791 my $widget = $row->[$x]
792 or next;
793 my ($w, $h) = $widget->size_request;
794
795 $w[$x] = max $w[$x], $w;
796 $h[$y] = max $h[$y], $h;
797 }
798 }
799
800 (\@w, \@h)
801 }
802
803 sub size_request {
804 my ($self) = @_;
805
806 my ($ws, $hs) = $self->get_wh;
807
808 (
809 (sum @$ws),
810 (sum @$hs),
811 )
812 }
813
814 sub size_allocate {
815 my ($self, $w, $h) = @_;
816
817 my ($ws, $hs) = $self->get_wh;
818
819 my $req_w = sum @$ws;
820 my $req_h = sum @$hs;
821
822 # TODO: nicer code && do row_expand
823 my @col_expand = @{$self->{col_expand}};
824 @col_expand = (1) x @$ws unless @col_expand;
825 my $col_expand = (sum @col_expand) || 1;
826
827 # linearly scale sizes
828 $ws->[$_] += $col_expand[$_] / $col_expand * ($w - $req_w) for 0 .. $#$ws;
829 $hs->[$_] *= 1 * $h / $req_h for 0 .. $#$hs;
830
831 CFClient::UI::harmonize $ws;
832 CFClient::UI::harmonize $hs;
833
834 my $y;
835
836 for my $r (0 .. $#{$self->{children}}) {
837 my $row = $self->{children}[$r]
838 or next;
839
840 my $x = 0;
841 my $row_h = $hs->[$r];
842
843 for my $c (0 .. $#$row) {
844 my $col_w = $ws->[$c];
845
846 if (my $widget = $row->[$c]) {
847 $widget->configure ($x, $y, $col_w, $row_h);
848 }
849
850 $x += $col_w;
851 }
852
853 $y += $row_h;
854 }
855
856 }
857
858 sub find_widget {
859 my ($self, $x, $y) = @_;
860
861 $x -= $self->{x};
862 $y -= $self->{y};
863
864 my $res;
865
866 for (grep $_, map @$_, grep $_, @{ $self->{children} }) {
867 $res = $_->find_widget ($x, $y)
868 and return $res;
869 }
870
871 $self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
872 }
873
874 sub _draw {
875 my ($self) = @_;
876
877 for (grep $_, @{$self->{children}}) {
878 $_->draw for grep $_, @$_;
879 }
880 }
881
882 #############################################################################
883
884 package CFClient::UI::HBox;
885
886 # TODO: wrap into common Box base class
887
888 our @ISA = CFClient::UI::Container::;
889
890 sub size_request {
891 my ($self) = @_;
892
893 my @alloc = map [$_->size_request], @{$self->{children}};
894
895 (
896 (List::Util::sum map $_->[0], @alloc),
897 (List::Util::max map $_->[1], @alloc),
898 )
899 }
900
901 sub size_allocate {
902 my ($self, $w, $h) = @_;
903
904 ($h, $w) = ($w, $h);
905
906 my $children = $self->{children};
907
908 my @h = map +($_->size_request)[0], @$children;
909
910 my $req_h = List::Util::sum @h;
911
912 if ($req_h > $h) {
913 # ah well, not enough space
914 $_ *= $h / $req_h for @h;
915 } else {
916 my $exp = List::Util::sum map $_->{expand}, @$children;
917 $exp ||= 1;
918
919 for (0 .. $#$children) {
920 my $child = $children->[$_];
921
922 my $alloc_h = $h[$_];
923 $alloc_h += ($h - $req_h) * $child->{expand} / $exp;
924 $h[$_] = $alloc_h;
925 }
926 }
927
928 CFClient::UI::harmonize \@h;
929
930 my $y = 0;
931 for (0 .. $#$children) {
932 my $child = $children->[$_];
933 my $h = $h[$_];
934 $child->configure ($y, 0, $h, $w);
935
936 $y += $h;
937 }
938
939 1
940 }
941
942 #############################################################################
943
944 package CFClient::UI::VBox;
945
946 # TODO: wrap into common Box base class
947
948 our @ISA = CFClient::UI::Container::;
949
950 sub size_request {
951 my ($self) = @_;
952
953 my @alloc = map [$_->size_request], @{$self->{children}};
954
955 (
956 (List::Util::max map $_->[0], @alloc),
957 (List::Util::sum map $_->[1], @alloc),
958 )
959 }
960
961 sub size_allocate {
962 my ($self, $w, $h) = @_;
963
964 my $children = $self->{children};
965
966 my @h = map +($_->size_request)[1], @$children;
967
968 my $req_h = List::Util::sum @h;
969
970 if ($req_h > $h) {
971 # ah well, not enough space
972 $_ *= $h / $req_h for @h;
973 } else {
974 my $exp = List::Util::sum map $_->{expand}, @$children;
975 $exp ||= 1;
976
977 for (0 .. $#$children) {
978 my $child = $children->[$_];
979
980 $h[$_] += ($h - $req_h) * $child->{expand} / $exp;
981 }
982 }
983
984 CFClient::UI::harmonize \@h;
985
986 my $y = 0;
987 for (0 .. $#$children) {
988 my $child = $children->[$_];
989 my $h = $h[$_];
990 $child->configure (0, $y, $w, $h);
991
992 $y += $h;
993 }
994
995 1
996 }
997
998 #############################################################################
999
1000 package CFClient::UI::Label;
1001
1002 our @ISA = CFClient::UI::Base::;
1003
1004 use CFClient::OpenGL;
1005
1006 sub new {
1007 my ($class, %arg) = @_;
1008
1009 my $self = $class->SUPER::new (
1010 fg => [1, 1, 1],
1011 fontsize => 1,
1012 text => "",
1013 align => -1,
1014 valign => -1,
1015 padding => 2,
1016 layout => new CFClient::Layout,
1017 %arg
1018 );
1019
1020 $self->{xxx}++ if $self->{text} eq "Client Setup" && $self->{align};#d#
1021
1022 $self->set_text (delete $self->{text}) if exists $self->{text};
1023 $self->set_markup (delete $self->{markup}) if exists $self->{markup};
1024
1025 $self
1026 }
1027
1028 sub escape_text {
1029 local $_ = $_[1];
1030
1031 s/&/&amp;/g;
1032 s/>/&gt;/g;
1033 s/</&lt;/g;
1034
1035 $_[1]
1036 }
1037
1038 sub set_text {
1039 my ($self, $text) = @_;
1040
1041 $self->{layout}->set_text ($text);
1042
1043 delete $self->{texture};
1044 $self->update;
1045 }
1046
1047 sub set_markup {
1048 my ($self, $markup) = @_;
1049
1050 $self->{layout}->set_markup ($markup);
1051
1052 delete $self->{texture};
1053 $self->update;
1054 }
1055
1056 sub size_request {
1057 my ($self) = @_;
1058
1059 $self->{layout}->set_width;
1060 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
1061
1062 my ($w, $h) = $self->{layout}->size;
1063
1064 (
1065 $w + $self->{padding} * 2,
1066 $h + $self->{padding} * 2,
1067 )
1068 }
1069
1070 sub size_allocate {
1071 my ($self, $w, $h) = @_;
1072
1073 delete $self->{texture};
1074 }
1075
1076 sub _draw {
1077 my ($self) = @_;
1078
1079 my $tex = $self->{texture} ||= do {
1080 $self->{layout}->set_width ($self->{w});
1081 $self->{layout}->set_height (List::Util::min $self->{h}, $self->{fontsize} * $::FONTSIZE);
1082 new_from_layout CFClient::Texture $self->{layout}
1083 };
1084
1085 glEnable GL_BLEND;
1086 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
1087 glEnable GL_TEXTURE_2D;
1088 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
1089
1090 glColor @{$self->{fg}};
1091
1092 $self->{ox} = int (
1093 $self->{align} < 0 ? $self->{padding}
1094 : $self->{align} > 0 ? $self->{w} - $tex->{w} - $self->{padding}
1095 : ($self->{w} - $tex->{w}) * 0.5
1096 );
1097
1098 $self->{oy} = int (
1099 $self->{valign} < 0 ? $self->{padding}
1100 : $self->{valign} > 0 ? $self->{h} - $tex->{h} - $self->{padding}
1101 : ($self->{h} - $tex->{h}) * 0.5
1102 );
1103
1104 $tex->draw_quad ($self->{ox}, $self->{oy});
1105
1106 glDisable GL_TEXTURE_2D;
1107 glDisable GL_BLEND;
1108 }
1109
1110 #############################################################################
1111
1112 package CFClient::UI::EntryBase;
1113
1114 our @ISA = CFClient::UI::Label::;
1115
1116 use CFClient::OpenGL;
1117
1118 sub new {
1119 my $class = shift;
1120
1121 $class->SUPER::new (
1122 fg => [1, 1, 1],
1123 bg => [0, 0, 0, 0.2],
1124 active_bg => [1, 1, 1, 0.5],
1125 active_fg => [0, 0, 0],
1126 can_hover => 1,
1127 can_focus => 1,
1128 valign => 0,
1129 @_
1130 )
1131 }
1132
1133 sub _set_text {
1134 my ($self, $text) = @_;
1135
1136 delete $self->{cur_h};
1137
1138 return if $self->{text} eq $text;
1139
1140 delete $self->{texture};
1141
1142 $self->{last_activity} = $::NOW;
1143 $self->{text} = $text;
1144
1145 $text =~ s/./*/g if $self->{hidden};
1146 $self->{layout}->set_text ("$text ");
1147
1148 $self->emit (changed => $self->{text});
1149 }
1150
1151 sub get_text {
1152 $_[0]{text}
1153 }
1154
1155 sub size_request {
1156 my ($self) = @_;
1157
1158 my ($w, $h) = $self->SUPER::size_request;
1159
1160 ($w + 1, $h) # add 1 for cursor
1161 }
1162
1163 sub size_allocate {
1164 my ($self, $w, $h) = @_;
1165
1166 $self->_set_text ($self->{text});
1167 }
1168
1169 sub set_text {
1170 my ($self, $text) = @_;
1171
1172 $self->{cursor} = length $text;
1173 $self->_set_text ($text);
1174 $self->update;
1175 }
1176
1177 sub key_down {
1178 my ($self, $ev) = @_;
1179
1180 my $mod = $ev->{mod};
1181 my $sym = $ev->{sym};
1182 my $uni = $ev->{unicode};
1183
1184 my $text = $self->get_text;
1185
1186 if ($sym == 8) {
1187 substr $text, --$self->{cursor}, 1, "" if $self->{cursor};
1188 } elsif ($sym == 127) {
1189 substr $text, $self->{cursor}, 1, "";
1190 } elsif ($sym == CFClient::SDLK_LEFT) {
1191 --$self->{cursor} if $self->{cursor};
1192 } elsif ($sym == CFClient::SDLK_RIGHT) {
1193 ++$self->{cursor} if $self->{cursor} < length $self->{text};
1194 } elsif ($sym == CFClient::SDLK_HOME) {
1195 $self->{cursor} = 0;
1196 } elsif ($sym == CFClient::SDLK_END) {
1197 $self->{cursor} = length $text;
1198 } elsif ($sym == 27) {
1199 $self->emit ('escape');
1200 } elsif ($uni) {
1201 substr $text, $self->{cursor}++, 0, chr $uni;
1202 }
1203
1204 $self->_set_text ($text);
1205 $self->update;
1206 }
1207
1208 sub focus_in {
1209 my ($self) = @_;
1210
1211 $self->{last_activity} = $::NOW;
1212
1213 $self->SUPER::focus_in;
1214 }
1215
1216 sub button_down {
1217 my ($self, $ev, $x, $y) = @_;
1218
1219 $self->SUPER::button_down ($ev, $x, $y);
1220
1221 my $idx = $self->{layout}->xy_to_index ($x, $y);
1222
1223 # byte-index to char-index
1224 my $text = $self->{text};
1225 utf8::encode $text;
1226 $self->{cursor} = length substr $text, 0, $idx;
1227
1228 $self->_set_text ($self->{text});
1229 $self->update;
1230 }
1231
1232 sub mouse_motion {
1233 my ($self, $ev, $x, $y) = @_;
1234 # printf "M %d,%d %d,%d\n", $ev->motion_x, $ev->motion_y, $x, $y;#d#
1235 }
1236
1237 sub _draw {
1238 my ($self) = @_;
1239
1240 local $self->{fg} = $self->{fg};
1241
1242 if ($FOCUS == $self) {
1243 glColor @{$self->{active_bg}};
1244 $self->{fg} = $self->{active_fg};
1245 } else {
1246 glColor @{$self->{bg}};
1247 }
1248
1249 glEnable GL_BLEND;
1250 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
1251 glBegin GL_QUADS;
1252 glVertex 0 , 0;
1253 glVertex 0 , $self->{h};
1254 glVertex $self->{w}, $self->{h};
1255 glVertex $self->{w}, 0;
1256 glEnd;
1257 glDisable GL_BLEND;
1258
1259 $self->SUPER::_draw;
1260
1261 #TODO: force update every cursor change :(
1262 if ($FOCUS == $self && (($::NOW - $self->{last_activity}) & 1023) < 600) {
1263
1264 unless (exists $self->{cur_h}) {
1265 my $text = substr $self->{text}, 0, $self->{cursor};
1266 utf8::encode $text;
1267
1268 @$self{qw(cur_x cur_y cur_h)} = $self->{layout}->cursor_pos (length $text)
1269 }
1270
1271 glColor @{$self->{fg}};
1272 glBegin GL_LINES;
1273 glVertex $self->{cur_x} + $self->{ox}, $self->{cur_y} + $self->{oy};
1274 glVertex $self->{cur_x} + $self->{ox}, $self->{cur_y} + $self->{oy} + $self->{cur_h};
1275 glEnd;
1276 }
1277 }
1278
1279 package CFClient::UI::Entry;
1280
1281 our @ISA = CFClient::UI::EntryBase::;
1282
1283 use CFClient::OpenGL;
1284
1285 sub key_down {
1286 my ($self, $ev) = @_;
1287
1288 my $sym = $ev->{sym};
1289
1290 if ($sym == 13) {
1291 $self->emit (activate => $self->get_text);
1292 $self->update;
1293
1294 } else {
1295 $self->SUPER::key_down ($ev);
1296 }
1297
1298 }
1299
1300 #############################################################################
1301
1302 package CFClient::UI::Button;
1303
1304 our @ISA = CFClient::UI::Label::;
1305
1306 use CFClient::OpenGL;
1307
1308 my @tex =
1309 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
1310 qw(b1_button_active.png);
1311
1312 sub new {
1313 my $class = shift;
1314
1315 $class->SUPER::new (
1316 padding => 4,
1317 fg => [1, 1, 1],
1318 bg => [1, 1, 1, 0.2],
1319 active_fg => [0, 0, 1],
1320 can_hover => 1,
1321 align => 0,
1322 valign => 0,
1323 @_
1324 )
1325 }
1326
1327 sub button_up {
1328 my ($self, $ev, $x, $y) = @_;
1329
1330 if ($x >= 0 && $x < $self->{w}
1331 && $y >= 0 && $y < $self->{h}) {
1332 $self->emit ("activate");
1333 }
1334 }
1335
1336 sub _draw {
1337 my ($self) = @_;
1338
1339 local $self->{fg} = $self->{fg};
1340
1341 if ($GRAB == $self) {
1342 $self->{fg} = $self->{active_fg};
1343 }
1344
1345 glEnable GL_BLEND;
1346 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
1347 glEnable GL_TEXTURE_2D;
1348 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
1349 glColor 0, 0, 0, 1;
1350
1351 $tex[0]->draw_quad (0, 0, $self->{w}, $self->{h});
1352
1353 glDisable GL_TEXTURE_2D;
1354 glDisable GL_BLEND;
1355
1356 $self->SUPER::_draw;
1357 }
1358
1359 #############################################################################
1360
1361 package CFClient::UI::CheckBox;
1362
1363 our @ISA = CFClient::UI::DrawBG::;
1364
1365 my @tex =
1366 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
1367 qw(c1_checkbox_bg.png c1_checkbox_active.png);
1368
1369 use CFClient::OpenGL;
1370
1371 sub new {
1372 my $class = shift;
1373
1374 $class->SUPER::new (
1375 padding => 2,
1376 fg => [1, 1, 1],
1377 active_fg => [1, 1, 0],
1378 state => 0,
1379 can_hover => 1,
1380 @_
1381 )
1382 }
1383
1384 sub size_request {
1385 my ($self) = @_;
1386
1387 ($self->{padding} * 2 + 6) x 2
1388 }
1389
1390 sub button_down {
1391 my ($self, $ev, $x, $y) = @_;
1392
1393 if ($x >= $self->{padding} && $x < $self->{w} - $self->{padding}
1394 && $y >= $self->{padding} && $y < $self->{h} - $self->{padding}) {
1395 $self->{state} = !$self->{state};
1396 $self->emit (changed => $self->{state});
1397 }
1398 }
1399
1400 sub _draw {
1401 my ($self) = @_;
1402
1403 $self->SUPER::_draw;
1404
1405 glTranslate $self->{padding} + 0.375, $self->{padding} + 0.375, 0;
1406
1407 my $s = (List::Util::min @$self{qw(w h)}) - $self->{padding} * 2;
1408
1409 glColor @{ $FOCUS == $self ? $self->{active_fg} : $self->{fg} };
1410
1411 glEnable GL_BLEND;
1412 glEnable GL_TEXTURE_2D;
1413 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
1414
1415 my $tex = $self->{state} ? $tex[1] : $tex[0];
1416
1417 $tex->draw_quad (0, 0, $s, $s);
1418
1419 glDisable GL_TEXTURE_2D;
1420 glDisable GL_BLEND;
1421 }
1422
1423 #############################################################################
1424
1425 package CFClient::UI::VGauge;
1426
1427 our @ISA = CFClient::UI::Base::;
1428
1429 use CFClient::OpenGL;
1430
1431 my %tex = (
1432 food => [
1433 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
1434 qw/g1_food_gauge_empty.png g1_food_gauge_full.png/
1435 ],
1436 grace => [
1437 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
1438 qw/g1_grace_gauge_empty.png g1_grace_gauge_full.png/
1439 ],
1440 hp => [
1441 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
1442 qw/g1_hp_gauge_empty.png g1_hp_gauge_full.png/
1443 ],
1444 mana => [
1445 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
1446 qw/g1_mana_gauge_empty.png g1_mana_gauge_full.png/
1447 ],
1448 );
1449
1450 # eg. VGauge->new (gauge => 'food'), default gauge: food
1451 sub new {
1452 my $class = shift;
1453
1454 my $self = $class->SUPER::new (gauge => 'food', @_);
1455
1456 $self
1457 }
1458
1459 sub size_request {
1460 my ($self) = @_;
1461
1462 my $tex = $tex{$self->{gauge}}[0];
1463
1464 @$tex{qw(w h)}
1465 }
1466
1467 sub set_max {
1468 my ($self, $max) = @_;
1469
1470 $self->{max_val} = $max;
1471 }
1472
1473 sub set_value {
1474 my ($self, $val, $max) = @_;
1475
1476 $self->set_max ($max)
1477 if defined $max;
1478
1479 $max = $self->{max_val};
1480 $self->{val} = $val;
1481
1482 $self->update;
1483 }
1484
1485 sub _draw {
1486 my ($self) = @_;
1487
1488 my $tex = $tex{$self->{gauge}};
1489
1490 my ($w, $h) = ($self->{w}, $self->{h});
1491
1492 my $ycut = $self->{val} / ($self->{max_val} || 1);
1493 $ycut = 1 if $self->{val} > $self->{max_val};
1494
1495 my $t1 = $tex->[0];
1496 my $t2 = $tex->[1];
1497
1498 glEnable GL_BLEND;
1499 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
1500 glEnable GL_TEXTURE_2D;
1501 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
1502
1503 my $h1 = $self->{h} - $ycut * $self->{h};
1504 my $h2 = $ycut * $self->{h};
1505
1506 my $yp = 0;
1507
1508 glBindTexture GL_TEXTURE_2D, $t1->{name};
1509 glBegin GL_QUADS;
1510 glTexCoord 0 , 0; glVertex 0 , $yp;
1511 glTexCoord 0 , $t1->{t} * (1 - $ycut); glVertex 0 , $yp + $h1;
1512 glTexCoord $t1->{s}, $t1->{t} * (1 - $ycut); glVertex 0 + $w, $yp + $h1;
1513 glTexCoord $t1->{s}, 0; glVertex 0 + $w, $yp;
1514 glEnd;
1515
1516 $yp += $h1;
1517
1518 glBindTexture GL_TEXTURE_2D, $t2->{name};
1519 glBegin GL_QUADS;
1520 glTexCoord 0 , $t2->{t} * (1 - $ycut); glVertex 0 , $yp;
1521 glTexCoord 0 , $t2->{t}; glVertex 0 , $yp + $h2;
1522 glTexCoord $t2->{s}, $t2->{t}; glVertex 0 + $w, $yp + $h2;
1523 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut); glVertex 0 + $w, $yp;
1524 glEnd;
1525
1526 glDisable GL_BLEND;
1527 glDisable GL_TEXTURE_2D;
1528 }
1529
1530 #############################################################################
1531
1532 package CFClient::UI::Slider;
1533
1534 use strict;
1535
1536 use CFClient::OpenGL;
1537
1538 our @ISA = CFClient::UI::DrawBG::;
1539
1540 my @tex =
1541 map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
1542 qw(s1_slider.png s1_slider_bg.png);
1543
1544 sub new {
1545 my $class = shift;
1546
1547 # range [value, low, high, page]
1548
1549 # TODO: 0-width page
1550 # TODO: req_w/h are wrong with vertical
1551 # TODO: calculations are off
1552 my $self = $class->SUPER::new (
1553 fg => [1, 1, 1],
1554 active_fg => [0, 0, 0],
1555 range => [0, 0, 100, 10],
1556 req_w => 20,
1557 req_h => 20,
1558 vertical => 0,
1559 can_hover => 1,
1560 inner_pad => 5,
1561 @_
1562 );
1563
1564 $self
1565 }
1566
1567 sub size_request {
1568 my ($self) = @_;
1569
1570 my $w = $self->{req_w};
1571 my $h = $self->{req_h};
1572
1573 $self->{vertical} ? ($h, $w) : ($w, $h)
1574 }
1575
1576 sub button_down {
1577 my ($self, $ev, $x, $y) = @_;
1578
1579 $self->SUPER::button_down ($ev, $x, $y);
1580 $self->mouse_motion ($ev, $x, $y);
1581 }
1582
1583 sub mouse_motion {
1584 my ($self, $ev, $x, $y) = @_;
1585
1586 if ($GRAB == $self) {
1587 my ($value, $lo, $hi, $page) = @{$self->{range}};
1588
1589 my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w});
1590
1591 my $inner_pad_px = $self->_calc_inner_pad_px ($w);
1592 my $inner_w = $w - $inner_pad_px * 2; # * 2 for left & right
1593
1594 $x -= $inner_pad_px; # substract the padding
1595 $x = $x * ($hi - $lo) / $inner_w + $lo;
1596 $x = $lo if $x < $lo;
1597 $x = $hi - $page if $x > $hi - $page;
1598 $self->{range}[0] = $x;
1599
1600 $self->emit (changed => $x);
1601 $self->update;
1602 }
1603 }
1604
1605 # the inner_* stuff is for generating a padding for the slider handle,
1606 # so that the handle doesn't leave the texture. This calculation isn't 100%
1607 # correct propably, but it does the job for now
1608 sub _calc_inner_pad_px {
1609 my ($self, $w) = @_;
1610 ($w / 100) * $self->{inner_pad} # % to pixels
1611 }
1612
1613 sub _draw {
1614 my ($self) = @_;
1615
1616 $self->SUPER::_draw ();
1617
1618 my ($w, $h) = @$self{qw(w h)};
1619
1620 if ($self->{vertical}) {
1621 # draw a vertical slider like a rotated horizontal slider
1622
1623 glRotate 90, 0, 0, 1;
1624 glTranslate 0, -$self->{w}, 0;
1625
1626 ($w, $h) = ($h, $w);
1627 }
1628
1629 my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg};
1630 my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg};
1631
1632 my ($value, $lo, $hi, $page) = @{$self->{range}};
1633
1634 $hi = $value + 1 if $lo == $hi;
1635
1636 my $inner_pad_px = $self->_calc_inner_pad_px ($w);
1637 my $inner_w = $w - $inner_pad_px * 2; # * 2 for left & right
1638
1639 $page = int $page * $inner_w / ($hi - $lo);
1640 $value = int +($value - $lo) * $inner_w / ($hi - $lo);
1641
1642 $w -= $page;
1643 $page &= ~1;
1644 glTranslate $page * 0.5, 0, 0;
1645 $page ||= 2;
1646
1647 my $knob_a = $inner_pad_px + ($value - $page * 0.5);
1648 my $knob_b = $inner_pad_px + ($value + $page * 0.5);
1649
1650 glEnable GL_BLEND;
1651 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
1652 glEnable GL_TEXTURE_2D;
1653 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
1654
1655 # draw background
1656 $tex[1]->draw_quad (0, 0, $w, $h);
1657
1658 # draw handle
1659 $tex[0]->draw_quad ($knob_a, 0, $knob_b - $knob_a, $h);
1660
1661 glDisable GL_BLEND;
1662 glDisable GL_TEXTURE_2D;
1663 }
1664
1665 #############################################################################
1666
1667 package CFClient::UI::TextView;
1668
1669 our @ISA = CFClient::UI::HBox::;
1670
1671 use CFClient::OpenGL;
1672
1673 sub new {
1674 my $class = shift;
1675
1676 my $self = $class->SUPER::new (
1677 fontsize => 1,
1678 @_,
1679
1680 layout => (new CFClient::Layout),
1681 par => [],
1682 height => 0,
1683 children => [
1684 (new CFClient::UI::Empty expand => 1),
1685 (new CFClient::UI::Slider vertical => 1),
1686 ],
1687 );
1688
1689 $self->{children}[1]->connect (changed => sub {
1690 $self->update;
1691 });
1692
1693 $self
1694 }
1695
1696 sub set_fontsize {
1697 my ($self, $fontsize) = @_;
1698
1699 $self->{fontsize} = $fontsize;
1700 $self->reflow;
1701 }
1702
1703 sub text_height {
1704 my ($self, $text) = @_;
1705
1706 my $layout = $self->{layout};
1707
1708 $layout->set_height ($self->{fontsize} * $::FONTSIZE);
1709 $layout->set_width ($self->{w});
1710 $layout->set_text ($text);
1711
1712 ($layout->size)[1]
1713 }
1714
1715 sub reflow {
1716 my ($self) = @_;
1717
1718 $self->{need_reflow}++;
1719 $self->update;
1720 }
1721
1722 sub size_allocate {
1723 my ($self, $w, $h) = @_;
1724
1725 $self->SUPER::size_allocate ($w, $h);
1726
1727 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
1728 $self->{layout}->set_width ($self->{children}[0]{w});
1729
1730 $self->reflow;
1731 }
1732
1733 sub add_paragraph {
1734 my ($self, $color, $text) = @_;
1735
1736 #TODO: intelligently "reformat" paragraph
1737
1738 my $height = $self->text_height ($text);
1739
1740 $self->{height} += $height;
1741
1742 push @{$self->{par}}, [$height, $color, $text];
1743
1744 $self->{children}[1]{range} = [$self->{height} - $self->{h}, 0, $self->{height}, $self->{h}];
1745 $self->{children}[1]->update;
1746 }
1747
1748 sub update {
1749 my ($self) = @_;
1750
1751 $self->SUPER::update;
1752
1753 return unless $self->{h} > 0;
1754
1755 delete $self->{texture};
1756
1757 $ROOT->on_refresh ($self, sub {
1758 if (delete $self->{need_reflow}) {
1759 my $height = 0;
1760
1761 $height += $_->[0] = $self->text_height ($_->[2])
1762 for @{$self->{par}};
1763
1764 $self->{height} = $height;
1765
1766 $self->{children}[1]{range} = [$height - $self->{h}, 0, $height, $self->{h}];
1767
1768 delete $self->{texture};
1769 }
1770
1771 $self->{texture} ||= new_from_opengl CFClient::Texture $self->{w}, $self->{h}, sub {
1772 glClearColor 0, 0, 0, 1;
1773 glClear GL_COLOR_BUFFER_BIT;
1774
1775 glEnable GL_BLEND;
1776 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
1777 glEnable GL_TEXTURE_2D;
1778 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
1779
1780 my $top = int $self->{children}[1]{range}[0];
1781
1782 my $y0 = $top;
1783 my $y1 = $top + $self->{h};
1784
1785 my $y = 0;
1786
1787 my $layout = $self->{layout};
1788
1789 for my $par (@{$self->{par}}) {
1790 my $h = $par->[0];
1791
1792 if ($y0 < $y + $h && $y < $y1) {
1793 $layout->set_text ($par->[2]);
1794
1795 glColor @{ $par->[1] };
1796 my ($W, $H) = $layout->size;
1797 CFClient::Texture->new_from_layout ($layout)->draw_quad (0, $y - $y0);
1798 }
1799
1800 $y += $h;
1801 }
1802
1803 glDisable GL_TEXTURE_2D;
1804 glDisable GL_BLEND;
1805 };
1806 });
1807 }
1808
1809 sub _draw {
1810 my ($self) = @_;
1811
1812 if ($self->{texture}) {
1813 glEnable GL_TEXTURE_2D;
1814 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
1815 $self->{texture}->draw_quad (0, 0, $self->{w}, $self->{h});
1816 glDisable GL_TEXTURE_2D;
1817 }
1818
1819 $self->{children}[1]->draw;
1820
1821 }
1822
1823 #############################################################################
1824
1825 package CFClient::UI::Animator;
1826
1827 use CFClient::OpenGL;
1828
1829 our @ISA = CFClient::UI::Bin::;
1830
1831 sub moveto {
1832 my ($self, $x, $y) = @_;
1833
1834 $self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
1835 $self->{speed} = 0.001;
1836 $self->{time} = 1;
1837
1838 ::animation_start $self;
1839 }
1840
1841 sub animate {
1842 my ($self, $interval) = @_;
1843
1844 $self->{time} -= $interval * $self->{speed};
1845 if ($self->{time} <= 0) {
1846 $self->{time} = 0;
1847 ::animation_stop $self;
1848 }
1849
1850 my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
1851
1852 $self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
1853 $self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
1854 }
1855
1856 sub _draw {
1857 my ($self) = @_;
1858
1859 glPushMatrix;
1860 glRotate $self->{time} * 1000, 0, 1, 0;
1861 $self->{children}[0]->draw;
1862 glPopMatrix;
1863 }
1864
1865 #############################################################################
1866
1867 package CFClient::UI::Flopper;
1868
1869 our @ISA = CFClient::UI::Button::;
1870
1871 sub new {
1872 my $class = shift;
1873
1874 my $self = $class->SUPER::new (
1875 state => 0,
1876 connect_activate => \&toggle_flopper,
1877 @_
1878 );
1879
1880 if ($self->{state}) {
1881 $self->{state} = 0;
1882 $self->toggle_flopper;
1883 }
1884
1885 $self
1886 }
1887
1888 sub toggle_flopper {
1889 my ($self) = @_;
1890
1891 # TODO: use animation
1892 if ($self->{state} = !$self->{state}) {
1893 $CFClient::UI::ROOT->add ($self->{other});
1894 $self->{other}->move ($self->coord2global (0, $self->{h}));
1895 $self->emit ("open");
1896 } else {
1897 $CFClient::UI::ROOT->remove ($self->{other});
1898 $self->emit ("close");
1899 }
1900
1901 $self->emit (changed => $self->{state});
1902 }
1903
1904 #############################################################################
1905
1906 package CFClient::UI::Root;
1907
1908 our @ISA = CFClient::UI::Container::;
1909
1910 use CFClient::OpenGL;
1911
1912 sub check_size {
1913 my ($self) = @_;
1914
1915 $self->configure (0, 0, $::WITH, $::HEIGHT);
1916 }
1917
1918 sub size_request {
1919 ($::WIDTH, $::HEIGHT)
1920 }
1921
1922 sub configure {
1923 my ($self, $x, $y, $w, $h) = @_;
1924
1925 $self->SUPER::configure ($x, $y, $w, $h);
1926
1927 $_->configure ($_->{x}, $_->{y}, $_->size_request)
1928 for @{$self->{children}};
1929 }
1930
1931 sub _topleft {
1932 my ($self, $x, $y) = @_;
1933
1934 ($x, $y)
1935 }
1936
1937 sub update {
1938 my ($self) = @_;
1939
1940 $self->check_size;
1941 ::refresh ();
1942 }
1943
1944 sub add {
1945 my ($self, $child) = @_;
1946
1947 $self->SUPER::add ($child);
1948 }
1949
1950 sub on_refresh {
1951 my ($self, $id, $cb) = @_;
1952
1953 $self->{refresh_hook}{$id} = $cb;
1954 }
1955
1956 sub draw {
1957 my ($self) = @_;
1958
1959 while (my $rcb = delete $self->{refresh_hook}) {
1960 $_->() for values %$rcb;
1961 }
1962
1963 glViewport 0, 0, $::WIDTH, $::HEIGHT;
1964 glClearColor +($::CFG->{fow_intensity}) x 3, 1;
1965 glClear GL_COLOR_BUFFER_BIT;
1966
1967 glMatrixMode GL_PROJECTION;
1968 glLoadIdentity;
1969 glOrtho 0, $::WIDTH, $::HEIGHT, 0, -10000 , 10000;
1970 glMatrixMode GL_MODELVIEW;
1971 glLoadIdentity;
1972
1973 $self->_draw;
1974 }
1975
1976 #############################################################################
1977
1978 package CFClient::UI;
1979
1980 $ROOT = new CFClient::UI::Root;
1981
1982 1
1983