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Comparing deliantra/Deliantra-Client/DC/UI.pm (file contents):
Revision 1.3 by elmex, Fri Apr 7 18:16:51 2006 UTC vs.
Revision 1.473 by root, Sun Jan 11 03:19:47 2009 UTC

1package Client::Widget; 1package DC::UI;
2
3use utf8;
2use strict; 4use strict;
3 5
4our $FOCUS; # the widget with current focus 6use List::Util ();
5our %ACTIVE_WIDGETS; 7
8use DC;
9use DC::Pod;
10use DC::Texture;
11
12our ($FOCUS, $HOVER, $GRAB); # various widgets
13
14our $LAYOUT;
15our $ROOT;
16our $TOOLTIP;
17our $BUTTON_STATE;
18
19our %WIDGET; # all widgets, weak-referenced
20
21our $TOOLTIP_WATCHER = EV::timer_ns 0, 0.03, sub {
22 $_[0]->stop;
23
24 if (!$GRAB) {
25 for (my $widget = $HOVER; $widget; $widget = $widget->{parent}) {
26 if (length $widget->{tooltip}) {
27 if ($TOOLTIP->{owner} != $widget) {
28 $TOOLTIP->{owner}->emit ("tooltip_hide") if $TOOLTIP->{owner};
29 $TOOLTIP->hide;
30
31 $TOOLTIP->{owner} = $widget;
32 $TOOLTIP->{owner}->emit ("tooltip_show") if $TOOLTIP->{owner};
33
34 return if $ENV{CFPLUS_DEBUG} & 8;
35
36 $TOOLTIP->set_tooltip_from ($widget);
37 $TOOLTIP->show;
38 }
39
40 return;
41 }
42 }
43 }
44
45 $TOOLTIP->hide;
46 $TOOLTIP->{owner}->emit ("tooltip_hide") if $TOOLTIP->{owner};
47 delete $TOOLTIP->{owner};
48};
49
50sub get_layout {
51 my $layout;
52
53 for (grep { $_->{name} } values %WIDGET) {
54 my $win = $layout->{$_->{name}} = { };
55
56 $win->{x} = ($_->{x} + $_->{w} * 0.5) / $::WIDTH if $_->{x} =~ /^[0-9.]+$/;
57 $win->{y} = ($_->{y} + $_->{h} * 0.5) / $::HEIGHT if $_->{y} =~ /^[0-9.]+$/;
58 $win->{w} = $_->{w} / $::WIDTH if defined $_->{w};
59 $win->{h} = $_->{h} / $::HEIGHT if defined $_->{h};
60
61 $win->{show} = $_->{visible} && $_->{is_toplevel};
62 }
63
64 $layout
65}
66
67sub set_layout {
68 my ($layout) = @_;
69
70 $LAYOUT = $layout;
71}
6 72
7# class methods for events 73# class methods for events
8sub feed_sdl_key_down_event { $FOCUS->key_down ($_[0]) if $FOCUS } 74sub feed_sdl_key_down_event {
9sub feed_sdl_key_up_event { $FOCUS->key_up ($_[0]) if $FOCUS } 75 $FOCUS->emit (key_down => $_[0])
10sub feed_sdl_button_down_event { $FOCUS->button_down ($_[0]) if $FOCUS } 76 if $FOCUS;
11sub feed_sdl_button_up_event { $FOCUS->button_up ($_[0]) if $FOCUS } 77}
78
79sub feed_sdl_key_up_event {
80 $FOCUS->emit (key_up => $_[0])
81 if $FOCUS;
82}
83
84sub check_hover {
85 my ($widget) = @_;
86
87 if ($widget != $HOVER) {
88 my $hover = $HOVER; $HOVER = $widget;
89
90 $hover->update if $hover && $hover->{can_hover};
91 $HOVER->update if $HOVER && $HOVER->{can_hover};
92
93 $TOOLTIP_WATCHER->again;
94 }
95}
96
97sub feed_sdl_button_down_event {
98 my ($ev) = @_;
99 my ($x, $y) = ($ev->{x}, $ev->{y});
100
101 $BUTTON_STATE |= 1 << ($ev->{button} - 1);
102
103 unless ($GRAB) {
104 my $widget = $ROOT->find_widget ($x, $y);
105
106 $GRAB = $widget;
107 $GRAB->update if $GRAB;
108
109 $TOOLTIP_WATCHER->invoke;
110 }
111
112 if ($GRAB) {
113 if ($ev->{button} == 4 || $ev->{button} == 5) {
114 # mousewheel
115 my $delta = $ev->{button} * 2 - 9;
116 my $shift = $ev->{mod} & DC::KMOD_SHIFT;
117
118 $ev->{dx} = $shift ? $delta : 0;
119 $ev->{dy} = $shift ? 0 : $delta;
120
121 $GRAB->emit (mouse_wheel => $ev);
122 } else {
123 $GRAB->emit (button_down => $ev)
124 }
125 }
126}
127
128sub feed_sdl_button_up_event {
129 my ($ev) = @_;
130
131 my $widget = $GRAB || $ROOT->find_widget ($ev->{x}, $ev->{y});
132
133 $BUTTON_STATE &= ~(1 << ($ev->{button} - 1));
134
135 $GRAB->emit (button_up => $ev)
136 if $GRAB && $ev->{button} != 4 && $ev->{button} != 5;
137
138 unless ($BUTTON_STATE) {
139 my $grab = $GRAB; undef $GRAB;
140 $grab->update if $grab;
141 $GRAB->update if $GRAB;
142
143 check_hover $widget;
144 $TOOLTIP_WATCHER->invoke;
145 }
146}
147
148sub feed_sdl_motion_event {
149 my ($ev) = @_;
150 my ($x, $y) = ($ev->{x}, $ev->{y});
151
152 my $widget = $GRAB || $ROOT->find_widget ($x, $y);
153
154 check_hover $widget;
155
156 $HOVER->emit (mouse_motion => $ev)
157 if $HOVER;
158}
159
160# convert position array to integers
161sub harmonize {
162 my ($vals) = @_;
163
164 my $rem = 0;
165
166 for (@$vals) {
167 my $i = int $_ + $rem;
168 $rem += $_ - $i;
169 $_ = $i;
170 }
171}
172
173sub full_refresh {
174 # make a copy, otherwise for complains about freed values.
175 my @widgets = values %WIDGET;
176
177 $_->update
178 for @widgets;
179}
180
181sub reconfigure_widgets {
182 # make a copy, otherwise C<for> complains about freed values.
183 my @widgets = values %WIDGET;
184
185 $_->reconfigure
186 for @widgets;
187}
188
189# call when resolution changes etc.
190sub rescale_widgets {
191 my ($sx, $sy) = @_;
192
193 for my $widget (values %WIDGET) {
194 if ($widget->{is_toplevel} || $widget->{c_rescale}) {
195 $widget->{x} += int $widget->{w} * 0.5 if $widget->{x} =~ /^[0-9.]+$/;
196 $widget->{y} += int $widget->{h} * 0.5 if $widget->{y} =~ /^[0-9.]+$/;
197
198 $widget->{x} = int 0.5 + $widget->{x} * $sx if $widget->{x} =~ /^[0-9.]+$/;
199 $widget->{w} = int 0.5 + $widget->{w} * $sx if exists $widget->{w};
200 $widget->{force_w} = int 0.5 + $widget->{force_w} * $sx if exists $widget->{force_w};
201 $widget->{y} = int 0.5 + $widget->{y} * $sy if $widget->{y} =~ /^[0-9.]+$/;
202 $widget->{h} = int 0.5 + $widget->{h} * $sy if exists $widget->{h};
203 $widget->{force_h} = int 0.5 + $widget->{force_h} * $sy if exists $widget->{force_h};
204
205 $widget->{x} -= int $widget->{w} * 0.5 if $widget->{x} =~ /^[0-9.]+$/;
206 $widget->{y} -= int $widget->{h} * 0.5 if $widget->{y} =~ /^[0-9.]+$/;
207
208 }
209 }
210
211 reconfigure_widgets;
212}
213
214#############################################################################
215
216package DC::UI::Event;
217
218sub xy {
219 $_[1]->coord2local ($_[0]{x}, $_[0]{y})
220}
221
222#############################################################################
223
224package DC::UI::Base;
225
226use strict;
227
228use DC::OpenGL;
12 229
13sub new { 230sub new {
14 my $class = shift; 231 my $class = shift;
232
233 my $self = bless {
234 x => "center",
235 y => "center",
236 z => 0,
237 w => undef,
238 h => undef,
239 can_events => 1,
240 @_
241 }, $class;
242
243 DC::weaken ($DC::UI::WIDGET{$self+0} = $self);
244
245 for (keys %$self) {
246 if (/^on_(.*)$/) {
247 $self->connect ($1 => delete $self->{$_});
248 }
249 }
250
251 if (my $layout = $DC::UI::LAYOUT->{$self->{name}}) {
252 $self->{x} = $layout->{x} * $DC::UI::ROOT->{alloc_w} if exists $layout->{x};
253 $self->{y} = $layout->{y} * $DC::UI::ROOT->{alloc_h} if exists $layout->{y};
254 $self->{force_w} = $layout->{w} * $DC::UI::ROOT->{alloc_w} if exists $layout->{w};
255 $self->{force_h} = $layout->{h} * $DC::UI::ROOT->{alloc_h} if exists $layout->{h};
256
257 $self->{x} -= $self->{force_w} * 0.5 if exists $layout->{x};
258 $self->{y} -= $self->{force_h} * 0.5 if exists $layout->{y};
259
260 $self->show if $layout->{show};
261 }
262
263 $self
264}
265
266sub destroy {
15 my $self = { @_ }; 267 my ($self) = @_;
16 bless $self, $class;
17 return $self;
18}
19 268
20sub activate { 269 $self->hide;
21 $ACTIVE_WIDGETS{$_[0]} = $_[0]; 270 $self->emit ("destroy");
271 %$self = ();
22} 272}
23sub deactivate {
24 delete $ACTIVE_WIDGETS{$_[0]};
25}
26 273
27sub focus_in { 274sub TO_JSON {
275 { "\fw" => $_[0]{s_id} }
276}
277
278sub show {
28 my ($widget) = @_; 279 my ($self) = @_;
280
281 return if $self->{parent};
282
283 $DC::UI::ROOT->add ($self);
284}
285
286sub set_visible {
287 my ($self) = @_;
288
289 return if $self->{visible};
290
291 $self->{parent} && $self->{parent}{root}#d#
292 or return ::clienterror ("set_visible called without parent ($self->{parent}) or root\n" => 1);
293
294 $self->{root} = $self->{parent}{root};
295 $self->{visible} = $self->{parent}{visible} + 1;
296
297 $self->emit (visibility_change => 1);
298
299 $self->realloc if !exists $self->{req_w};
300
301 $_->set_visible for $self->visible_children;
302}
303
304sub set_invisible {
305 my ($self) = @_;
306
307 return unless $self->{visible};
308
309 $_->set_invisible for $self->children;
310
311 delete $self->{visible};
312 delete $self->{root};
313
314 undef $GRAB if $GRAB == $self;
315 undef $HOVER if $HOVER == $self;
316
317 $DC::UI::TOOLTIP_WATCHER->invoke
318 if $TOOLTIP->{owner} == $self;
319
320 $self->emit ("focus_out");
321 $self->emit (visibility_change => 0);
322}
323
324sub set_visibility {
325 my ($self, $visible) = @_;
326
327 return if $self->{visible} == $visible;
328
329 $visible ? $self->show
330 : $self->hide;
331}
332
333sub toggle_visibility {
334 my ($self) = @_;
335
336 $self->{visible}
337 ? $self->hide
338 : $self->show;
339}
340
341sub hide {
342 my ($self) = @_;
343
344 $self->set_invisible;
345
346 # extra $parent copy for 5.8.8+ bug workaround
347 # (otherwise $_[0] in remove gets freed
348 if (my $parent = $self->{parent}) {
349 $parent->remove ($self);
350 }
351}
352
353sub move_abs {
354 my ($self, $x, $y, $z) = @_;
355
356 $self->{x} = List::Util::max 0, List::Util::min $self->{root}{w} - $self->{w}, int $x;
357 $self->{y} = List::Util::max 0, List::Util::min $self->{root}{h} - $self->{h}, int $y;
358 $self->{z} = $z if defined $z;
359
360 $self->update;
361}
362
363sub set_size {
364 my ($self, $w, $h) = @_;
365
366 $self->{force_w} = $w;
367 $self->{force_h} = $h;
368
369 $self->realloc;
370}
371
372# traverse the widget chain up to find the maximum "physical" size constraints
373sub get_max_wh {
374 my ($self) = @_;
375
376 my ($w, $h) = @$self{qw(max_w max_h)};
377
378 if ($w <= 0 || $h <= 0) {
379 my ($mw, $mh) = $self->{parent}
380 ? $self->{parent}->get_max_wh
381 : ($::WIDTH, $::HEIGHT);
382
383 $w = $mw if $w <= 0;
384 $h = $mh if $h <= 0;
385 }
386
387 ($w, $h)
388}
389
390sub size_request {
391 require Carp;
392 Carp::confess "size_request is abstract";
393}
394
395sub baseline_shift {
396 0
397}
398
399sub configure {
400 my ($self, $x, $y, $w, $h) = @_;
401
402 if ($self->{aspect}) {
403 my ($ow, $oh) = ($w, $h);
404
405 $w = List::Util::min $w, DC::ceil $h * $self->{aspect};
406 $h = List::Util::min $h, DC::ceil $w / $self->{aspect};
407
408 # use alignment to adjust x, y
409
410 $x += int 0.5 * ($ow - $w);
411 $y += int 0.5 * ($oh - $h);
412 }
413
414 if ($self->{x} ne $x || $self->{y} ne $y) {
415 $self->{x} = $x;
416 $self->{y} = $y;
417 $self->update;
418 }
419
420 if ($self->{alloc_w} != $w || $self->{alloc_h} != $h) {
421 return unless $self->{visible};
422
423 $self->{alloc_w} = $w;
424 $self->{alloc_h} = $h;
425
426 $self->{root}{size_alloc}{$self+0} = $self;
427 }
428}
429
430sub children {
431 # nop
432}
433
434sub visible_children {
435 $_[0]->children
436}
437
438sub set_max_size {
439 my ($self, $w, $h) = @_;
440
441 $self->{max_w} = int $w if defined $w;
442 $self->{max_h} = int $h if defined $h;
443
444 $self->realloc;
445}
446
447sub set_tooltip {
448 my ($self, $tooltip) = @_;
449
450 $tooltip =~ s/^\s+//;
451 $tooltip =~ s/\s+$//;
452
453 return if $self->{tooltip} eq $tooltip;
454
455 $self->{tooltip} = $tooltip;
456
457 if ($DC::UI::TOOLTIP->{owner} == $self) {
458 delete $DC::UI::TOOLTIP->{owner};
459 $DC::UI::TOOLTIP_WATCHER->invoke;
460 }
461}
462
463# translate global coordinates to local coordinate system
464sub coord2local {
465 my ($self, $x, $y) = @_;
466
467 return (undef, undef) unless $self->{parent};
468
469 $self->{parent}->coord2local ($x - $self->{x}, $y - $self->{y})
470}
471
472# translate local coordinates to global coordinate system
473sub coord2global {
474 my ($self, $x, $y) = @_;
475
476 return (undef, undef) unless $self->{parent};
477
478 $self->{parent}->coord2global ($x + $self->{x}, $y + $self->{y})
479}
480
481sub invoke_focus_in {
482 my ($self) = @_;
483
484 return if $FOCUS == $self;
485 return unless $self->{can_focus};
486
29 $FOCUS = $widget; 487 $FOCUS = $self;
488
489 $self->update;
490
491 0
30} 492}
493
31sub focus_out { 494sub invoke_focus_out {
32 my ($widget) = @_; 495 my ($self) = @_;
496
497 return unless $FOCUS == $self;
498
499 undef $FOCUS;
500
501 $self->update;
502
503 $::MAPWIDGET->grab_focus #d# focus mapwidget if no other widget has focus
504 unless $FOCUS;
505
506 0
33} 507}
34sub key_down { 508
35 my ($widget, $sdlev) = @_; 509sub grab_focus {
510 my ($self) = @_;
511
512 $FOCUS->emit ("focus_out") if $FOCUS;
513 $self->emit ("focus_in");
36} 514}
37sub key_up { 515
38 my ($widget, $sdlev) = @_; 516sub invoke_mouse_motion { 0 }
39} 517sub invoke_button_up { 0 }
518sub invoke_key_down { 0 }
519sub invoke_key_up { 0 }
520sub invoke_mouse_wheel { 0 }
521
40sub button_down { 522sub invoke_button_down {
41 my ($widget, $sdlev) = @_; 523 my ($self, $ev, $x, $y) = @_;
524
525 $self->grab_focus;
526
527 0
42} 528}
43sub button_up { 529
44 my ($widget, $sdlev) = @_; 530sub connect {
531 my ($self, $signal, $cb) = @_;
532
533 push @{ $self->{signal_cb}{$signal} }, $cb;
534
535 defined wantarray and DC::guard {
536 @{ $self->{signal_cb}{$signal} } = grep $_ != $cb,
537 @{ $self->{signal_cb}{$signal} };
538 }
45} 539}
540
541sub disconnect_all {
542 my ($self, $signal) = @_;
543
544 delete $self->{signal_cb}{$signal};
545}
546
547my %has_coords = (
548 button_down => 1,
549 button_up => 1,
550 mouse_motion => 1,
551 mouse_wheel => 1,
552);
553
554sub emit {
555 my ($self, $signal, @args) = @_;
556
557 # I do not really like this solution, but I do not like duplication
558 # and needlessly verbose code, either.
559 my @append
560 = $has_coords{$signal}
561 ? $args[0]->xy ($self)
562 : ();
563
564 #warn +(caller(1))[3] . "emit $signal on $self (parent $self->{parent})\n";#d#
565
566 for my $cb (
567 @{$self->{signal_cb}{$signal} || []}, # before
568 ($self->can ("invoke_$signal") || sub { 1 }), # closure
569 ) {
570 return $cb->($self, @args, @append) || next;
571 }
572
573 # parent
574 $self->{parent} && $self->{parent}->emit ($signal, @args)
575}
576
577#sub find_widget {
578# in .xs
579
580sub set_parent {
581 my ($self, $parent) = @_;
582
583 DC::weaken ($self->{parent} = $parent);
584 $self->set_visible if $parent->{visible};
585}
586
587sub realloc {
588 my ($self) = @_;
589
590 if ($self->{visible}) {
591 return if $self->{root}{realloc}{$self+0};
592
593 $self->{root}{realloc}{$self+0} = $self;
594 $self->{root}->update;
595 } else {
596 delete $self->{req_w};
597 delete $self->{req_h};
598 }
599}
600
601sub update {
602 my ($self) = @_;
603
604 $self->{parent}->update
605 if $self->{parent};
606}
607
608sub reconfigure {
609 my ($self) = @_;
610
611 $self->realloc;
612 $self->update;
613}
614
615# using global variables seems a bit hacky, but passing through all drawing
616# functions seems pointless.
617our ($draw_x, $draw_y, $draw_w, $draw_h); # screen rectangle being drawn
618
46sub draw { 619#sub draw {
620#CFPlus.xs
621
622sub _draw {
47 my ($widget) = @_; 623 my ($self) = @_;
624
625 warn "no draw defined for $self\n";
48} 626}
49sub bbox { 627
628sub DESTROY {
50 my ($widget) = @_; 629 my ($self) = @_;
51}
52 630
53package Client::TextView; 631 return if DC::in_destruct;
632
633 local $@;
634 eval { $self->destroy };
635 warn "exception during widget destruction: $@" if $@ & $@ != /during global destruction/;
636
637 delete $WIDGET{$self+0};
638}
639
640#############################################################################
641
642package DC::UI::DrawBG;
643
644our @ISA = DC::UI::Base::;
645
54use strict; 646use strict;
55our @ISA = qw/Client::Widget/;
56
57use SDL::OpenGL; 647use DC::OpenGL;
58use SDL::OpenGL::Constants;
59 648
60sub add_line { 649sub new {
61 my ($self, $line) = @_; 650 my $class = shift;
62 push @{$self->{lines}}, $line;
63}
64 651
652 $class->SUPER::new (
653 #bg => [0, 0, 0, 0.2],
654 #active_bg => [1, 1, 1, 0.5],
655 @_
656 )
657}
658
65sub draw { 659sub _draw {
660 my ($self) = @_;
661
662 my $color = $FOCUS == $self && $self->{active_bg}
663 ? $self->{active_bg}
664 : $self->{bg};
665
666 if ($color && (@$color < 4 || $color->[3])) {
667 my ($w, $h) = @$self{qw(w h)};
668
669 glEnable GL_BLEND;
670 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
671 glColor_premultiply @$color;
672 glRect 0, 0, $w, $h;
673 glDisable GL_BLEND;
674 }
675}
676
677#############################################################################
678
679package DC::UI::Empty;
680
681our @ISA = DC::UI::Base::;
682
683sub new {
684 my ($class, %arg) = @_;
685 $class->SUPER::new (can_events => 0, %arg);
686}
687
688sub size_request {
689 my ($self) = @_;
690
691 ($self->{w} + 0, $self->{h} + 0)
692}
693
694sub draw { }
695
696#############################################################################
697
698package DC::UI::Container;
699
700our @ISA = DC::UI::Base::;
701
702sub new {
703 my ($class, %arg) = @_;
704
705 my $children = delete $arg{children};
706
707 my $self = $class->SUPER::new (
708 children => [],
709 can_events => 0,
710 %arg,
711 );
712
713 $self->add (@$children)
714 if $children && @$children;
715
716 $self
717}
718
719sub realloc {
720 my ($self) = @_;
721
722 $self->{force_realloc} = 1;
723 $self->{force_size_alloc} = 1;
724 $self->SUPER::realloc;
725}
726
727sub add {
728 my ($self, @widgets) = @_;
729
730 $_->set_parent ($self)
731 for @widgets;
732
733 # TODO: only do this in widgets that need it, e.g. root, fixed
734 use sort 'stable';
735
736 $self->{children} = [
737 sort { $a->{z} <=> $b->{z} }
738 @{$self->{children}}, @widgets
739 ];
740
741 $self->realloc;
742
743 $self->emit (c_add => \@widgets);
744
745 map $_+0, @widgets
746}
747
748sub children {
749 @{ $_[0]{children} }
750}
751
752sub remove {
753 my ($self, @widgets) = @_;
754
755 $self->emit (c_remove => \@widgets);
756
757 for my $child (@widgets) {
758 delete $child->{parent};
759 $child->hide;
760 $self->{children} = [ grep $_ != $child, @{ $self->{children} } ];
761 }
762
763 $self->realloc;
764}
765
766sub clear {
767 my ($self) = @_;
768
769 my $children = $self->{children};
770 $self->{children} = [];
771
772 for (@$children) {
773 delete $_->{parent};
774 $_->hide;
775 }
776
777 $self->realloc;
778}
779
780sub find_widget {
66 my ($self) = @_; 781 my ($self, $x, $y) = @_;
67 782
68} 783 $x -= $self->{x};
784 $y -= $self->{y};
69 785
70package Client::MapWidget; 786 my $res;
71use strict;
72our @ISA = qw/Client::Widget/;
73 787
74use SDL::OpenGL; 788 for (reverse $self->visible_children) {
75use SDL::OpenGL::Constants; 789 $res = $_->find_widget ($x, $y)
790 and return $res;
791 }
76 792
77sub key_down { 793 $self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
78 print "MAPKEYDOWN\n";
79} 794}
80 795
81sub key_up {
82}
83
84sub draw { 796sub _draw {
797 my ($self) = @_;
798
799 $_->draw for $self->visible_children;
800}
801
802#############################################################################
803
804package DC::UI::Bin;
805
806our @ISA = DC::UI::Container::;
807
808sub new {
809 my ($class, %arg) = @_;
810
811 my $child = (delete $arg{child}) || new DC::UI::Empty::;
812
813 $class->SUPER::new (children => [$child], %arg)
814}
815
816sub add {
817 my ($self, $child) = @_;
818
819 $self->clear;
820 $self->SUPER::add ($child);
821}
822
823sub remove {
824 my ($self, $widget) = @_;
825
826 $self->SUPER::remove ($widget);
827
828 $self->{children} = [new DC::UI::Empty]
829 unless @{$self->{children}};
830}
831
832sub child { $_[0]->{children}[0] }
833
834sub size_request {
835 $_[0]{children}[0]->size_request
836}
837
838sub invoke_size_allocate {
839 my ($self, $w, $h) = @_;
840
841 $self->{children}[0]->configure (0, 0, $w, $h);
842
843 1
844}
845
846#############################################################################
847# back-buffered drawing area
848
849package DC::UI::Window;
850
851our @ISA = DC::UI::Bin::;
852
853use DC::OpenGL;
854
855sub new {
856 my ($class, %arg) = @_;
857
858 my $self = $class->SUPER::new (%arg);
859}
860
861sub update {
862 my ($self) = @_;
863
864 $ROOT->on_post_alloc ($self => sub { $self->render_child });
865 $self->SUPER::update;
866}
867
868sub invoke_size_allocate {
869 my ($self, $w, $h) = @_;
870
871 $self->update;
872
873 $self->SUPER::invoke_size_allocate ($w, $h)
874}
875
876sub _render {
877 my ($self) = @_;
878
879 $self->{children}[0]->draw;
880}
881
882sub render_child {
883 my ($self) = @_;
884
885 $self->{texture} = new_from_opengl DC::Texture $self->{w}, $self->{h}, sub {
886 glClearColor 0, 0, 0, 0;
887 glClear GL_COLOR_BUFFER_BIT;
888
889 {
890 package DC::UI::Base;
891
892 local ($draw_x, $draw_y, $draw_w, $draw_h) =
893 (0, 0, $self->{w}, $self->{h});
894
895 $self->_render;
896 }
897 };
898}
899
900sub _draw {
901 my ($self) = @_;
902
903 my $tex = $self->{texture}
904 or return;
905
85 glEnable GL_TEXTURE_2D; 906 glEnable GL_TEXTURE_2D;
907 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
908 glColor 0, 0, 0, 1;
909
910 $tex->draw_quad_alpha_premultiplied (0, 0);
911
912 glDisable GL_TEXTURE_2D;
913}
914
915#############################################################################
916
917package DC::UI::ViewPort;
918
919use List::Util qw(min max);
920
921our @ISA = DC::UI::Window::;
922
923sub new {
924 my $class = shift;
925
926 $class->SUPER::new (
927 scroll_x => 0,
928 scroll_y => 1,
929 @_,
930 )
931}
932
933sub size_request {
934 my ($self) = @_;
935
936 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
937
938 $w = 1 if $self->{scroll_x};
939 $h = 1 if $self->{scroll_y};
940
941 ($w, $h)
942}
943
944sub invoke_size_allocate {
945 my ($self, $w, $h) = @_;
946
947 my $child = $self->child;
948
949 $w = $child->{req_w} if $self->{scroll_x} && $child->{req_w};
950 $h = $child->{req_h} if $self->{scroll_y} && $child->{req_h};
951
952 $self->child->configure (0, 0, $w, $h);
953 $self->update;
954
955 1
956}
957
958sub set_offset {
959 my ($self, $x, $y) = @_;
960
961 my $x = max 0, min $self->child->{w} - $self->{w}, int $x;
962 my $y = max 0, min $self->child->{h} - $self->{h}, int $y;
963
964 if ($x != $self->{view_x} or $y != $self->{view_y}) {
965 $self->{view_x} = $x;
966 $self->{view_y} = $y;
967
968 $self->emit (changed => $x, $y);
969 $self->update;
970 }
971}
972
973sub set_center {
974 my ($self, $x, $y) = @_;
975
976 $self->set_offset ($x - $self->{w} * .5, $y - $self->{h} * .5);
977}
978
979sub make_visible {
980 my ($self, $x, $y, $border) = @_;
981
982 if ( $x < $self->{view_x} + $self->{w} * $border
983 || $x > $self->{view_x} + $self->{w} * (1 - $border)
984 || $y < $self->{view_y} + $self->{h} * $border
985 || $y > $self->{view_y} + $self->{h} * (1 - $border)
986 ) {
987 $self->set_center ($x, $y);
988 }
989}
990
991# hmm, this does not work for topleft of $self... but we should not ask for that
992sub coord2local {
993 my ($self, $x, $y) = @_;
994
995 $self->SUPER::coord2local ($x + $self->{view_x}, $y + $self->{view_y})
996}
997
998sub coord2global {
999 my ($self, $x, $y) = @_;
1000
1001 $x = List::Util::min $self->{w}, $x - $self->{view_x};
1002 $y = List::Util::min $self->{h}, $y - $self->{view_y};
1003
1004 $self->SUPER::coord2global ($x, $y)
1005}
1006
1007sub find_widget {
1008 my ($self, $x, $y) = @_;
1009
1010 if ( $x >= $self->{x} && $x < $self->{x} + $self->{w}
1011 && $y >= $self->{y} && $y < $self->{y} + $self->{h}
1012 ) {
1013 $self->child->find_widget ($x + $self->{view_x}, $y + $self->{view_y})
1014 } else {
1015 $self->DC::UI::Base::find_widget ($x, $y)
1016 }
1017}
1018
1019sub _render {
1020 my ($self) = @_;
1021
1022 local $DC::UI::Base::draw_x = $DC::UI::Base::draw_x - $self->{view_x};
1023 local $DC::UI::Base::draw_y = $DC::UI::Base::draw_y - $self->{view_y};
1024
1025 DC::OpenGL::glTranslate -$self->{view_x}, -$self->{view_y};
1026
1027 $self->SUPER::_render;
1028}
1029
1030#############################################################################
1031
1032package DC::UI::ScrolledWindow;
1033
1034our @ISA = DC::UI::Table::;
1035
1036sub new {
1037 my ($class, %arg) = @_;
1038
1039 my $child = delete $arg{child};
1040
1041 my $self;
1042
1043 my $hslider = new DC::UI::Slider
1044 c_col => 0,
1045 c_row => 1,
1046 vertical => 0,
1047 range => [0, 0, 1, 0.01], # HACK fix
1048 on_changed => sub {
1049 $self->{hpos} = $_[1];
1050 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1051 },
1052 ;
1053
1054 my $vslider = new DC::UI::Slider
1055 c_col => 1,
1056 c_row => 0,
1057 vertical => 1,
1058 range => [0, 0, 1, 0.01], # HACK fix
1059 on_changed => sub {
1060 $self->{vpos} = $_[1];
1061 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1062 },
1063 ;
1064
1065 $self = $class->SUPER::new (
1066 scroll_x => 0,
1067 scroll_y => 1,
1068 can_events => 1,
1069 hslider => $hslider,
1070 vslider => $vslider,
1071 col_expand => [1, 0],
1072 row_expand => [1, 0],
1073 %arg,
1074 );
1075
1076 $self->{vp} = new DC::UI::ViewPort
1077 c_col => 0,
1078 c_row => 0,
1079 expand => 1,
1080 scroll_x => $self->{scroll_x},
1081 scroll_y => $self->{scroll_y},
1082 on_changed => sub {
1083 my ($vp, $x, $y) = @_;
1084
1085 $vp->{parent}{hslider}->set_value ($x);
1086 $vp->{parent}{vslider}->set_value ($y);
1087
1088 0
1089 },
1090 on_size_allocate => sub {
1091 my ($vp, $w, $h) = @_;
1092 $vp->{parent}->update_slider;
1093 0
1094 },
1095 ;
1096
1097 $self->SUPER::add ($self->{vp});
1098
1099 $self->add ($child) if $child;
1100
1101 $self
1102}
1103
1104sub add {
1105 my ($self, $widget) = @_;
1106
1107 $self->{vp}->add ($self->{child} = $widget);
1108}
1109
1110sub set_offset { shift->{vp}->set_offset (@_) }
1111sub set_center { shift->{vp}->set_center (@_) }
1112sub make_visible { shift->{vp}->make_visible (@_) }
1113
1114sub update_slider {
1115 my ($self) = @_;
1116
1117 my $child = ($self->{vp} or return)->child;
1118
1119 if ($self->{scroll_x}) {
1120 my ($w1, $w2) = ($child->{req_w}, $self->{vp}{w});
1121 $self->{hslider}->set_range ([$self->{hslider}{range}[0], 0, $w1, $w2, 1]);
1122
1123 my $visible = $w1 > $w2;
1124 if ($visible != $self->{hslider_visible}) {
1125 $self->{hslider_visible} = $visible;
1126 $visible ? $self->SUPER::add ($self->{hslider})
1127 : $self->SUPER::remove ($self->{hslider});
1128 }
1129 }
1130
1131 if ($self->{scroll_y}) {
1132 my ($h1, $h2) = ($child->{req_h}, $self->{vp}{h});
1133 $self->{vslider}->set_range ([$self->{vslider}{range}[0], 0, $h1, $h2, 1]);
1134
1135 my $visible = $h1 > $h2;
1136 if ($visible != $self->{vslider_visible}) {
1137 $self->{vslider_visible} = $visible;
1138 $visible ? $self->SUPER::add ($self->{vslider})
1139 : $self->SUPER::remove ($self->{vslider});
1140 }
1141 }
1142}
1143
1144sub start_dragging {
1145 my ($self, $ev) = @_;
1146
1147 $self->grab_focus;
1148
1149 my $ox = $self->{vp}{view_x};
1150 my $oy = $self->{vp}{view_y};
1151
1152 $self->{motion} = sub {
1153 my ($ev, $x, $y) = @_;
1154
1155 $ox -= $ev->{xrel};
1156 $oy -= $ev->{yrel};
1157
1158 $self->{vp}->set_offset ($ox, $oy);
1159 };
1160}
1161
1162sub invoke_mouse_wheel {
1163 my ($self, $ev) = @_;
1164
1165 $self->{vslider}->emit (mouse_wheel => $ev) if $self->{vslider_visible};
1166 $self->{hslider}->emit (mouse_wheel => $ev) if $self->{hslider_visible};
1167
1168 1
1169}
1170
1171sub invoke_button_down {
1172 my ($self, $ev, $x, $y) = @_;
1173
1174 if ($ev->{button} == 2) {
1175 $self->start_dragging ($ev);
1176 return 1;
1177 }
1178
1179 0
1180}
1181
1182sub invoke_button_up {
1183 my ($self, $ev, $x, $y) = @_;
1184
1185 if (delete $self->{motion}) {
1186 return 1;
1187 }
1188
1189 0
1190}
1191
1192sub invoke_mouse_motion {
1193 my ($self, $ev, $x, $y) = @_;
1194
1195 if ($self->{motion}) {
1196 $self->{motion}->($ev, $x, $y);
1197 return 1;
1198 }
1199
1200 0
1201}
1202
1203sub invoke_size_allocate {
1204 my ($self, $w, $h) = @_;
1205
1206 $self->update_slider;
1207 $self->SUPER::invoke_size_allocate ($w, $h)
1208}
1209
1210#############################################################################
1211
1212package DC::UI::Frame;
1213
1214our @ISA = DC::UI::Bin::;
1215
1216use DC::OpenGL;
1217
1218sub new {
1219 my $class = shift;
1220
1221 $class->SUPER::new (
1222 bg => undef,
1223 @_,
1224 )
1225}
1226
1227sub _draw {
1228 my ($self) = @_;
1229
1230 if ($self->{bg}) {
1231 my ($w, $h) = @$self{qw(w h)};
1232
1233 glEnable GL_BLEND;
1234 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
1235 glColor_premultiply @{ $self->{bg} };
1236 glRect 0, 0, $w, $h;
1237 glDisable GL_BLEND;
1238 }
1239
1240 $self->SUPER::_draw;
1241}
1242
1243#############################################################################
1244
1245package DC::UI::FancyFrame;
1246
1247our @ISA = DC::UI::Bin::;
1248
1249use DC::OpenGL;
1250
1251sub new {
1252 my ($class, %arg) = @_;
1253
1254 if ((exists $arg{label}) && !ref $arg{label}) {
1255 $arg{label} = new DC::UI::Label
1256 align => 1,
1257 valign => 0.5,
1258 text => $arg{label},
1259 fontsize => ($arg{border} || 0.8) * 0.75;
1260 }
1261
1262 my $self = $class->SUPER::new (
1263 # label => "",
1264 fg => undef,
1265 border => 0.8,
1266 style => 'single',
1267 %arg,
1268 );
1269
1270 $self
1271}
1272
1273sub add {
1274 my ($self, @widgets) = @_;
1275
1276 $self->SUPER::add (@widgets);
1277 $self->DC::UI::Container::add ($self->{label}) if $self->{label};
1278}
1279
1280sub border {
1281 int $_[0]{border} * $::FONTSIZE
1282}
1283
1284sub size_request {
1285 my ($self) = @_;
1286
1287 ($self->{label_w}, undef) = $self->{label}->size_request
1288 if $self->{label};
1289
1290 my ($w, $h) = $self->SUPER::size_request;
1291
1292 (
1293 $w + $self->border * 2,
1294 $h + $self->border * 2,
1295 )
1296}
1297
1298sub invoke_size_allocate {
1299 my ($self, $w, $h) = @_;
1300
1301 my $border = $self->border;
1302
1303 $w -= List::Util::max 0, $border * 2;
1304 $h -= List::Util::max 0, $border * 2;
1305
1306 if (my $label = $self->{label}) {
1307 $label->{w} = List::Util::max 0, List::Util::min $self->{label_w}, $w - $border * 2;
1308 $label->{h} = List::Util::min $h, $border;
1309 $label->invoke_size_allocate ($label->{w}, $label->{h});
1310 }
1311
1312 $self->child->configure ($border, $border, $w, $h);
1313
1314 1
1315}
1316
1317sub _draw {
1318 my ($self) = @_;
1319
1320 my $child = $self->{children}[0];
1321
1322 my $border = $self->border;
1323 my ($w, $h) = ($self->{w}, $self->{h});
1324
1325 $child->draw;
1326
1327 glColor @{$self->{fg} || $DC::THEME{fancyframe}};
1328 glBegin GL_LINE_STRIP;
1329 glVertex $border * 1.5 , $border * 0.5 + 0.5;
1330 glVertex $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1331 glVertex $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1332 glVertex $w - $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1333 glVertex $w - $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1334 glVertex $self->{label} ? $border * 2 + $self->{label}{w} : $border * 1.5, $border * 0.5 + 0.5;
1335 glEnd;
1336
1337 if ($self->{label}) {
1338 glTranslate $border * 2, 0;
1339 $self->{label}->_draw;
1340 }
1341}
1342
1343#############################################################################
1344
1345package DC::UI::Toplevel;
1346
1347our @ISA = DC::UI::Bin::;
1348
1349use DC::OpenGL;
1350
1351my $bg =
1352 new_from_resource DC::Texture "d1_bg.png",
1353 mipmap => 1, wrap => 1;
1354
1355my @border =
1356 map { new_from_resource DC::Texture $_, mipmap => 1 }
1357 qw(d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
1358
1359my @icon =
1360 map { new_from_resource DC::Texture $_, mipmap => 1 }
1361 qw(x1_move.png x1_resize.png);
1362
1363sub new {
1364 my ($class, %arg) = @_;
1365
1366 my $self = $class->SUPER::new (
1367 bg => [1, 1, 1, 1],
1368 border_bg => [1, 1, 1, 1],
1369 border => 0.8,
1370 can_events => 1,
1371 min_w => 64,
1372 min_h => 32,
1373 %arg,
1374 );
1375
1376 $self->{title_widget} = new DC::UI::Label
1377 align => 0.5,
1378 valign => 1,
1379 text => $self->{title},
1380 fontsize => $self->{border},
1381 if exists $self->{title};
1382
1383 if ($self->{has_close_button}) {
1384 $self->{close_button} =
1385 new DC::UI::ImageButton
1386 path => 'x1_close.png',
1387 on_activate => sub { $self->emit ("delete") };
1388
1389 $self->DC::UI::Container::add ($self->{close_button});
1390 }
1391
1392 $self
1393}
1394
1395sub add {
1396 my ($self, @widgets) = @_;
1397
1398 $self->SUPER::add (@widgets);
1399 $self->DC::UI::Container::add ($self->{close_button}) if $self->{close_button};
1400 $self->DC::UI::Container::add ($self->{title_widget}) if $self->{title_widget};
1401}
1402
1403sub border {
1404 int $_[0]{border} * $::FONTSIZE
1405}
1406
1407sub get_max_wh {
1408 my ($self) = @_;
1409
1410 return ($self->{w}, $self->{h})
1411 if $self->{visible} && $self->{w};
1412
1413 $self->SUPER::get_max_wh
1414}
1415
1416sub size_request {
1417 my ($self) = @_;
1418
1419 $self->{title_widget}->size_request
1420 if $self->{title_widget};
1421
1422 $self->{close_button}->size_request
1423 if $self->{close_button};
1424
1425 my ($w, $h) = $self->SUPER::size_request;
1426
1427 (
1428 $w + $self->border * 2,
1429 $h + $self->border * 2,
1430 )
1431}
1432
1433sub invoke_size_allocate {
1434 my ($self, $w, $h) = @_;
1435
1436 if ($self->{title_widget}) {
1437 $self->{title_widget}{w} = $w;
1438 $self->{title_widget}{h} = $h;
1439 $self->{title_widget}->invoke_size_allocate ($w, $h);
1440 }
1441
1442 my $border = $self->border;
1443
1444 $h -= List::Util::max 0, $border * 2;
1445 $w -= List::Util::max 0, $border * 2;
1446
1447 $self->child->configure ($border, $border, $w, $h);
1448
1449 $self->{close_button}->configure ($self->{w} - $border, 0, $border, $border)
1450 if $self->{close_button};
1451
1452 1
1453}
1454
1455sub invoke_delete {
1456 my ($self) = @_;
1457
1458 $self->hide;
1459
1460 1
1461}
1462
1463sub invoke_button_down {
1464 my ($self, $ev, $x, $y) = @_;
1465
1466 my ($w, $h) = @$self{qw(w h)};
1467 my $border = $self->border;
1468
1469 my $lr = ($x >= 0 && $x < $border) || ($x > $w - $border && $x < $w);
1470 my $td = ($y >= 0 && $y < $border) || ($y > $h - $border && $y < $h);
1471
1472 if ($lr & $td) {
1473 my ($wx, $wy) = ($self->{x}, $self->{y});
1474 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1475 my ($bw, $bh) = ($self->{w}, $self->{h});
1476
1477 my $mx = $x < $border;
1478 my $my = $y < $border;
1479
1480 $self->{motion} = sub {
1481 my ($ev, $x, $y) = @_;
1482
1483 my $dx = $ev->{x} - $ox;
1484 my $dy = $ev->{y} - $oy;
1485
1486 $self->{force_w} = $bw + $dx * ($mx ? -1 : 1);
1487 $self->{force_h} = $bh + $dy * ($my ? -1 : 1);
1488
1489 $self->move_abs ($wx + $dx * $mx, $wy + $dy * $my);
1490 $self->realloc;
1491 };
1492
1493 } elsif ($lr ^ $td) {
1494 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1495 my ($bx, $by) = ($self->{x}, $self->{y});
1496
1497 $self->{motion} = sub {
1498 my ($ev, $x, $y) = @_;
1499
1500 ($x, $y) = ($ev->{x}, $ev->{y});
1501
1502 $self->move_abs ($bx + $x - $ox, $by + $y - $oy);
1503 # HACK: the next line is required to enforce placement
1504 $self->{parent}->invoke_size_allocate ($self->{parent}{w}, $self->{parent}{h});
1505 };
1506 } else {
1507 return 0;
1508 }
1509
1510 1
1511}
1512
1513sub invoke_button_up {
1514 my ($self, $ev, $x, $y) = @_;
1515
1516 ! ! delete $self->{motion}
1517}
1518
1519sub invoke_mouse_motion {
1520 my ($self, $ev, $x, $y) = @_;
1521
1522 $self->{motion}->($ev, $x, $y) if $self->{motion};
1523
1524 ! ! $self->{motion}
1525}
1526
1527sub invoke_visibility_change {
1528 my ($self, $visible) = @_;
1529
1530 delete $self->{motion} unless $visible;
1531
1532 0
1533}
1534
1535sub _draw {
1536 my ($self) = @_;
1537
1538 my $child = $self->{children}[0];
1539
1540 my ($w, $h ) = ($self->{w}, $self->{h});
1541 my ($cw, $ch) = ($child->{w}, $child->{h});
1542
1543 glEnable GL_TEXTURE_2D;
1544 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
1545
1546 my $border = $self->border;
1547
1548 if ($border) {
1549 glColor @{ $self->{border_bg} };
1550 $border[0]->draw_quad_alpha ( 0, 0, $w, $border);
1551 $border[1]->draw_quad_alpha ( 0, $border, $border, $ch);
1552 $border[2]->draw_quad_alpha ($w - $border, $border, $border, $ch);
1553 $border[3]->draw_quad_alpha ( 0, $h - $border, $w, $border);
1554
1555 # move
1556 my $w2 = ($w - $border) * .5;
1557 my $h2 = ($h - $border) * .5;
1558 $icon[0]->draw_quad_alpha ( 0, $h2, $border, $border);
1559 $icon[0]->draw_quad_alpha ($w - $border, $h2, $border, $border);
1560 $icon[0]->draw_quad_alpha ($w2 , $h - $border, $border, $border);
1561
1562 # resize
1563 $icon[1]->draw_quad_alpha ( 0, 0, $border, $border);
1564 $icon[1]->draw_quad_alpha ($w - $border, 0, $border, $border)
1565 unless $self->{has_close_button};
1566 $icon[1]->draw_quad_alpha ( 0, $h - $border, $border, $border);
1567 $icon[1]->draw_quad_alpha ($w - $border, $h - $border, $border, $border);
1568 }
1569
1570 if (@{$self->{bg}} < 4 || $self->{bg}[3]) {
1571 glColor @{ $self->{bg} };
1572
1573 # TODO: repeat texture not scale
1574 # solve this better(?)
1575 $bg->{s} = $cw / $bg->{w};
1576 $bg->{t} = $ch / $bg->{h};
1577 $bg->draw_quad_alpha ($border, $border, $cw, $ch);
1578 }
1579
1580 glDisable GL_TEXTURE_2D;
1581
1582 $child->draw;
1583
1584 if ($self->{title_widget}) {
1585 glTranslate 0, $border - $self->{h};
1586 $self->{title_widget}->_draw;
1587
1588 glTranslate 0, - ($border - $self->{h});
1589 }
1590
1591 $self->{close_button}->draw
1592 if $self->{close_button};
1593}
1594
1595#############################################################################
1596
1597package DC::UI::Table;
1598
1599our @ISA = DC::UI::Container::;
1600
1601use List::Util qw(max sum);
1602
1603use DC::OpenGL;
1604
1605sub new {
1606 my $class = shift;
1607
1608 $class->SUPER::new (
1609 col_expand => [],
1610 row_expand => [],
1611 @_,
1612 )
1613}
1614
1615sub add {
1616 my ($self, @widgets) = @_;
1617
1618 for my $child (@widgets) {
1619 $child->{c_rowspan} ||= 1;
1620 $child->{c_colspan} ||= 1;
1621 }
1622
1623 $self->SUPER::add (@widgets);
1624}
1625
1626sub add_at {
1627 my $self = shift;
1628
1629 my @widgets;
1630
1631 while (@_) {
1632 my ($col, $row, $child) = splice @_, 0, 3, ();
1633
1634 $child->{c_row} = $row;
1635 $child->{c_col} = $col;
1636
1637 push @widgets, $child;
1638 }
1639
1640 $self->add (@widgets);
1641}
1642
1643sub get_wh {
1644 my ($self) = @_;
1645
1646 my (@w, @h);
1647
1648 my @children = $self->children;
1649
1650 # first pass, columns
1651 for my $widget (sort { $a->{c_colspan} <=> $b->{c_colspan} } @children) {
1652 my ($c, $w, $cs) = @$widget{qw(c_col req_w c_colspan)};
1653
1654 my $sw = sum @w[$c .. $c + $cs - 1];
1655
1656 if ($w > $sw) {
1657 $_ += ($w - $sw) / ($_ ? $sw / $_ : $cs) for @w[$c .. $c + $cs - 1];
1658 }
1659 }
1660
1661 # second pass, rows
1662 for my $widget (sort { $a->{c_rowspan} <=> $b->{c_rowspan} } @children) {
1663 my ($r, $h, $rs) = @$widget{qw(c_row req_h c_rowspan)};
1664
1665 my $sh = sum @h[$r .. $r + $rs - 1];
1666
1667 if ($h > $sh) {
1668 $_ += ($h - $sh) / ($_ ? $sh / $_ : $rs) for @h[$r .. $r + $rs - 1];
1669 }
1670 }
1671
1672 (\@w, \@h)
1673}
1674
1675sub size_request {
1676 my ($self) = @_;
1677
1678 my ($ws, $hs) = $self->get_wh;
1679
1680 (
1681 (sum @$ws),
1682 (sum @$hs),
1683 )
1684}
1685
1686sub invoke_size_allocate {
1687 my ($self, $w, $h) = @_;
1688
1689 my ($ws, $hs) = $self->get_wh;
1690
1691 my $req_w = (sum @$ws) || 1;
1692 my $req_h = (sum @$hs) || 1;
1693
1694 # now linearly scale the rows/columns to the allocated size
1695 my @col_expand = @{$self->{col_expand}};
1696 @col_expand = (1) x @$ws unless @col_expand;
1697 my $col_expand = (sum @col_expand) || 1;
1698
1699 $ws->[$_] += $col_expand[$_] / $col_expand * ($w - $req_w) for 0 .. $#$ws;
1700
1701 DC::UI::harmonize $ws;
1702
1703 my @row_expand = @{$self->{row_expand}};
1704 @row_expand = (1) x @$ws unless @row_expand;
1705 my $row_expand = (sum @row_expand) || 1;
1706
1707 $hs->[$_] += $row_expand[$_] / $row_expand * ($h - $req_h) for 0 .. $#$hs;
1708
1709 DC::UI::harmonize $hs;
1710
1711 my @x; for (0 .. $#$ws) { $x[$_ + 1] = $x[$_] + $ws->[$_] }
1712 my @y; for (0 .. $#$hs) { $y[$_ + 1] = $y[$_] + $hs->[$_] }
1713
1714 for my $widget ($self->children) {
1715 my ($r, $c, $w, $h, $rs, $cs) = @$widget{qw(c_row c_col req_w req_h c_rowspan c_colspan)};
1716
1717 $widget->configure (
1718 $x[$c], $y[$r],
1719 $x[$c + $cs] - $x[$c], $y[$r + $rs] - $y[$r],
1720 );
1721 }
1722
1723 1
1724}
1725
1726#############################################################################
1727
1728package DC::UI::Fixed;
1729
1730use List::Util qw(min max);
1731
1732our @ISA = DC::UI::Container::;
1733
1734sub _scale($$$) {
1735 my ($rel, $val, $max) = @_;
1736
1737 $rel ? $val * $max : $val
1738}
1739
1740sub size_request {
1741 my ($self) = @_;
1742
1743 my ($x1, $y1, $x2, $y2) = (0, 0, 0, 0);
1744
1745 # determine overall size by querying abs widgets
1746 for my $child ($self->visible_children) {
1747 unless ($child->{c_rel}) {
1748 my $x = $child->{c_x};
1749 my $y = $child->{c_y};
1750
1751 $x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
1752 $y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
1753 }
1754 }
1755
1756 my $W = $x2 - $x1;
1757 my $H = $y2 - $y1;
1758
1759 # now layout remaining widgets
1760 for my $child ($self->visible_children) {
1761 if ($child->{c_rel}) {
1762 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1763 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1764
1765 $x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
1766 $y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
1767 }
1768 }
1769
1770 my $W = $x2 - $x1;
1771 my $H = $y2 - $y1;
1772
1773 ($W, $H)
1774}
1775
1776sub invoke_size_allocate {
1777 my ($self, $W, $H) = @_;
1778
1779 for my $child ($self->visible_children) {
1780 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1781 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1782
1783 $x += $child->{c_halign} * $child->{req_w};
1784 $y += $child->{c_valign} * $child->{req_h};
1785
1786 $child->configure (int $x, int $y, $child->{req_w}, $child->{req_h});
1787 }
1788
1789 1
1790}
1791
1792#############################################################################
1793
1794package DC::UI::Box;
1795
1796our @ISA = DC::UI::Container::;
1797
1798sub size_request {
1799 my ($self) = @_;
1800
1801 my @children = $self->visible_children;
1802
1803 $self->{vertical}
1804 ? (
1805 (List::Util::max map $_->{req_w}, @children),
1806 (List::Util::sum map $_->{req_h}, @children),
1807 )
1808 : (
1809 (List::Util::sum map $_->{req_w}, @children),
1810 (List::Util::max map $_->{req_h}, @children),
1811 )
1812}
1813
1814sub invoke_size_allocate {
1815 my ($self, $w, $h) = @_;
1816
1817 my $space = $self->{vertical} ? $h : $w;
1818 my @children = $self->visible_children;
1819
1820 my @req;
1821
1822 if ($self->{homogeneous}) {
1823 @req = ($space / (@children || 1)) x @children;
1824 } else {
1825 @req = map $_->{$self->{vertical} ? "req_h" : "req_w"}, @children;
1826 my $req = List::Util::sum @req;
1827
1828 if ($req > $space) {
1829 # ah well, not enough space
1830 $_ *= $space / $req for @req;
1831 } else {
1832 my $expand = (List::Util::sum map $_->{expand}, @children) || 1;
1833
1834 $space = ($space - $req) / $expand; # remaining space to give away
1835
1836 $req[$_] += $space * $children[$_]{expand}
1837 for 0 .. $#children;
1838 }
1839 }
1840
1841 DC::UI::harmonize \@req;
1842
1843 my $pos = 0;
1844 for (0 .. $#children) {
1845 my $alloc = $req[$_];
1846 $children[$_]->configure ($self->{vertical} ? (0, $pos, $w, $alloc) : ($pos, 0, $alloc, $h));
1847
1848 $pos += $alloc;
1849 }
1850
1851 1
1852}
1853
1854#############################################################################
1855
1856package DC::UI::HBox;
1857
1858our @ISA = DC::UI::Box::;
1859
1860sub new {
1861 my $class = shift;
1862
1863 $class->SUPER::new (
1864 vertical => 0,
1865 @_,
1866 )
1867}
1868
1869#############################################################################
1870
1871package DC::UI::VBox;
1872
1873our @ISA = DC::UI::Box::;
1874
1875sub new {
1876 my $class = shift;
1877
1878 $class->SUPER::new (
1879 vertical => 1,
1880 @_,
1881 )
1882}
1883
1884#############################################################################
1885
1886package DC::UI::Label;
1887
1888our @ISA = DC::UI::DrawBG::;
1889
1890use DC::OpenGL;
1891
1892sub new {
1893 my ($class, %arg) = @_;
1894
1895 my $self = $class->SUPER::new (
1896 fg => [1, 1, 1],
1897 #bg => none
1898 #active_bg => none
1899 #font => default_font
1900 #text => initial text
1901 #markup => initial narkup
1902 #max_w => maximum pixel width
1903 #style => 0, # render flags
1904 ellipsise => 3, # end
1905 layout => (new DC::Layout),
1906 fontsize => 1,
1907 align => 0.5,
1908 valign => 0.5,
1909 padding_x => 4,
1910 padding_y => 2,
1911 can_events => 0,
1912 %arg
1913 );
1914
1915 if (exists $self->{template}) {
1916 my $layout = new DC::Layout;
1917 $layout->set_text (delete $self->{template});
1918 $self->{template} = $layout;
1919 }
1920
1921 if (exists $self->{markup}) {
1922 $self->set_markup (delete $self->{markup});
1923 } else {
1924 $self->set_text (delete $self->{text});
1925 }
1926
1927 $self
1928}
1929
1930sub update {
1931 my ($self) = @_;
1932
1933 delete $self->{texture};
1934 $self->SUPER::update;
1935}
1936
1937sub realloc {
1938 my ($self) = @_;
1939
1940 delete $self->{ox};
1941 $self->SUPER::realloc;
1942}
1943
1944sub clear {
1945 my ($self) = @_;
1946
1947 $self->set_text ("");
1948}
1949
1950sub set_text {
1951 my ($self, $text) = @_;
1952
1953 return if $self->{text} eq "T$text";
1954 $self->{text} = "T$text";
1955
1956 $self->{layout}->set_text ($text);
1957
1958 delete $self->{size_req};
1959 $self->realloc;
1960 $self->update;
1961}
1962
1963sub set_markup {
1964 my ($self, $markup) = @_;
1965
1966 return if $self->{text} eq "M$markup";
1967 $self->{text} = "M$markup";
1968
1969 my $rgba = $markup =~ /span.*(?:foreground|background)/;
1970
1971 $self->{layout}->set_markup ($markup);
1972
1973 delete $self->{size_req};
1974 $self->realloc;
1975 $self->update;
1976}
1977
1978sub size_request {
1979 my ($self) = @_;
1980
1981 $self->{size_req} ||= do {
1982 my ($max_w, $max_h) = $self->get_max_wh;
1983
1984 $self->{layout}->set_font ($self->{font}) if $self->{font};
1985 $self->{layout}->set_width ($max_w);
1986 $self->{layout}->set_ellipsise ($self->{ellipsise});
1987 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
1988 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
1989
1990 my ($w, $h) = $self->{layout}->size;
1991
1992 if (exists $self->{template}) {
1993 $self->{template}->set_font ($self->{font}) if $self->{font};
1994 $self->{template}->set_width ($max_w);
1995 $self->{template}->set_height ($self->{fontsize} * $::FONTSIZE);
1996
1997 my ($w2, $h2) = $self->{template}->size;
1998
1999 $w = List::Util::max $w, $w2;
2000 $h = List::Util::max $h, $h2;
2001 }
2002
2003 [$w, $h]
2004 };
2005
2006 @{ $self->{size_req} }
2007}
2008
2009sub baseline_shift {
2010 $_[0]{layout}->descent
2011}
2012
2013sub invoke_size_allocate {
2014 my ($self, $w, $h) = @_;
2015
2016 delete $self->{ox};
2017
2018 delete $self->{texture}
2019 unless $w >= $self->{req_w} && $self->{old_w} >= $self->{req_w};
2020
2021 1
2022}
2023
2024sub set_fontsize {
2025 my ($self, $fontsize) = @_;
2026
2027 $self->{fontsize} = $fontsize;
2028 delete $self->{size_req};
2029 delete $self->{texture};
2030
2031 $self->realloc;
2032}
2033
2034sub reconfigure {
2035 my ($self) = @_;
2036
2037 delete $self->{size_req};
2038 delete $self->{texture};
2039
2040 $self->SUPER::reconfigure;
2041}
2042
2043sub _draw {
2044 my ($self) = @_;
2045
2046 $self->SUPER::_draw; # draw background, if applicable
2047
2048 my $size = $self->{texture} ||= do {
2049 $self->{layout}->set_foreground (@{$self->{fg}});
2050 $self->{layout}->set_font ($self->{font}) if $self->{font};
2051 $self->{layout}->set_width ($self->{w});
2052 $self->{layout}->set_ellipsise ($self->{ellipsise});
2053 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
2054 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
2055
2056 [$self->{layout}->size]
2057 };
2058
2059 unless (exists $self->{ox}) {
2060 $self->{ox} = $self->{padding_x} + int $self->{align} * ($self->{w} - $size->[0] - $self->{padding_x} * 2);
2061 $self->{oy} = $self->{padding_y} + int $self->{valign} * ($self->{h} - $size->[1] - $self->{padding_y} * 2);
2062
2063 $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2064 };
2065
2066# unless ($self->{list}) {
2067# $self->{list} = DC::OpenGL::glGenList;
2068# DC::OpenGL::glNewList $self->{list};
2069# $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2070# DC::OpenGL::glEndList;
2071# }
2072#
2073# DC::OpenGL::glCallList $self->{list};
2074
2075 $self->{layout}->draw;
2076}
2077
2078#sub destroy {
2079# my ($self) = @_;
2080#
2081# DC::OpenGL::glDeleteList delete $self->{list} if $self->{list};
2082#
2083# $self->SUPER::destroy;
2084#}
2085
2086#############################################################################
2087
2088package DC::UI::EntryBase;
2089
2090our @ISA = DC::UI::Label::;
2091
2092use DC::OpenGL;
2093
2094sub new {
2095 my $class = shift;
2096
2097 $class->SUPER::new (
2098 fg => [1, 1, 1],
2099 bg => [0, 0, 0, 0.2],
2100 outline => undef,
2101 active_bg => [0, 0, 1, .2],
2102 active_fg => [1, 1, 1],
2103 active_outline => [1, 1, 0],
2104 can_hover => 1,
2105 can_focus => 1,
2106 align => 0,
2107 valign => 0.5,
2108 can_events => 1,
2109 ellipsise => 0,
2110 padding_x => 4,
2111 padding_y => 2,
2112 #text => ...
2113 #hidden => "*",
2114 @_
2115 )
2116}
2117
2118sub _set_text {
2119 my ($self, $text) = @_;
2120
2121 delete $self->{cur_h};
2122
2123 return if $self->{text} eq $text;
2124
2125 $self->{last_activity} = $::NOW;
2126 $self->{text} = $text;
2127
2128 $text =~ s/./*/g if $self->{hidden};
2129 $self->{layout}->set_text ("$text ");
2130 delete $self->{size_req};
2131
2132 $self->emit (changed => $self->{text});
2133
2134 $self->realloc;
2135 $self->update;
2136}
2137
2138sub set_text {
2139 my ($self, $text) = @_;
2140
2141 $self->{cursor} = length $text;
2142 $self->_set_text ($text);
2143}
2144
2145sub get_text {
2146 $_[0]{text}
2147}
2148
2149sub size_request {
2150 my ($self) = @_;
2151
2152 my ($w, $h) = $self->SUPER::size_request;
2153
2154 ($w + 1, $h) # add 1 for cursor
2155}
2156
2157sub invoke_key_down {
2158 my ($self, $ev) = @_;
2159
2160 my $mod = $ev->{mod};
2161 my $sym = $ev->{sym};
2162 my $uni = $ev->{unicode};
2163
2164 my $text = $self->get_text;
2165
2166 $self->{cursor} = List::Util::max 0, List::Util::min $self->{cursor}, length $text;
2167
2168 if ($sym == DC::SDLK_BACKSPACE) {
2169 substr $text, --$self->{cursor}, 1, "" if $self->{cursor};
2170 } elsif ($sym == DC::SDLK_DELETE) {
2171 substr $text, $self->{cursor}, 1, "";
2172 } elsif ($sym == DC::SDLK_LEFT) {
2173 --$self->{cursor} if $self->{cursor};
2174 } elsif ($sym == DC::SDLK_RIGHT) {
2175 ++$self->{cursor} if $self->{cursor} < length $self->{text};
2176 } elsif ($sym == DC::SDLK_HOME) {
2177 # what a hack
2178 $self->{cursor} =
2179 (substr $self->{text}, 0, $self->{cursor}) =~ /^(.*\012)/
2180 ? length $1
2181 : 0;
2182 } elsif ($sym == DC::SDLK_END) {
2183 # uh, again
2184 $self->{cursor} =
2185 (substr $self->{text}, $self->{cursor}) =~ /^([^\012]*)\012/
2186 ? $self->{cursor} + length $1
2187 : length $self->{text};
2188 } elsif ($uni == 21) { # ctrl-u
2189 $text = "";
2190 $self->{cursor} = 0;
2191 } elsif ($uni == 27) {
2192 $self->emit ('escape');
2193 } elsif ($uni == 0x0d) {
2194 substr $text, $self->{cursor}++, 0, "\012";
2195 } elsif ($uni >= 0x20) {
2196 substr $text, $self->{cursor}++, 0, chr $uni;
2197 } else {
2198 return 0;
2199 }
2200
2201 $self->_set_text ($text);
2202
2203 $self->realloc;
2204 $self->update;
2205
2206 1
2207}
2208
2209sub invoke_focus_in {
2210 my ($self) = @_;
2211
2212 $self->{last_activity} = $::NOW;
2213
2214 $self->SUPER::invoke_focus_in
2215}
2216
2217sub invoke_button_down {
2218 my ($self, $ev, $x, $y) = @_;
2219
2220 $self->SUPER::invoke_button_down ($ev, $x, $y);
2221
2222 my $idx = $self->{layout}->xy_to_index ($x, $y);
2223
2224 # byte-index to char-index
2225 my $text = $self->{text};
2226 utf8::encode $text; $text = substr $text, 0, $idx; utf8::decode $text;
2227 $self->{cursor} = length $text;
2228
2229 $self->_set_text ($self->{text});
2230 $self->update;
2231
2232 1
2233}
2234
2235sub invoke_mouse_motion {
2236 my ($self, $ev, $x, $y) = @_;
2237# printf "M %d,%d %d,%d\n", $ev->motion_x, $ev->motion_y, $x, $y;#d#
2238
2239 1
2240}
2241
2242sub _draw {
2243 my ($self) = @_;
2244
2245 local $self->{fg} = $self->{fg};
2246
2247 if ($FOCUS == $self) {
2248 glColor_premultiply @{$self->{active_bg}};
2249 $self->{fg} = $self->{active_fg};
2250 } else {
2251 glColor_premultiply @{$self->{bg}};
2252 }
2253
86 glEnable GL_BLEND; 2254 glEnable GL_BLEND;
2255 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2256 glRect 0, 0, $self->{w}, $self->{h};
2257 glDisable GL_BLEND;
87 2258
88 my $map = $::CONN->{map}; 2259 $self->SUPER::_draw;
89 2260
90 for my $x (0 .. $::CONN->{mapw} - 1) { 2261 #TODO: force update every cursor change :(
91 for my $y (0 .. $::CONN->{maph} - 1) { 2262 if ($FOCUS == $self && (($::NOW - $self->{last_activity}) & 1023) < 600) {
92 2263
93 my $cell = $map->[$x][$y] 2264 unless (exists $self->{cur_h}) {
94 or next; 2265 my $text = substr $self->{text}, 0, $self->{cursor};
2266 utf8::encode $text;
95 2267
96 my $darkness = $cell->[3] * (1 / 255); 2268 @$self{qw(cur_x cur_y cur_h)} = $self->{layout}->cursor_pos (length $text);
97 glColor $darkness, $darkness, $darkness; 2269 }
98 2270
99 for my $num (grep $_, $cell->[0], $cell->[1], $cell->[2]) { 2271 glColor_premultiply @{$self->{active_fg}};
100 my $tex = $::CONN->{face}[$num]{texture} || 0; 2272 glBegin GL_LINES;
101 2273 glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy};
102 glBindTexture GL_TEXTURE_2D, $tex; 2274 glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy} + $self->{cur_h};
103
104 glBegin GL_QUADS;
105 glTexCoord 0, 0; glVertex $x, $y;
106 glTexCoord 0, 1; glVertex $x, $y + 1;
107 glTexCoord 1, 1; glVertex $x + 1, $y + 1;
108 glTexCoord 1, 0; glVertex $x + 1, $y;
109 glEnd; 2275 glEnd;
2276
2277 glLineWidth 3;
2278 glColor @{$self->{active_outline}};
2279 glRect_lineloop 1.5, 1.5, $self->{w} - 1.5, $self->{h} - 1.5;
2280 glLineWidth 1;
2281
2282 } else {
2283 glColor @{$self->{outline} || $DC::THEME{entry_outline}};
2284 glBegin GL_LINE_STRIP;
2285 glVertex .5, $self->{h} * .5;
2286 glVertex .5, $self->{h} - 2.5;
2287 glVertex $self->{w} - .5, $self->{h} - 2.5;
2288 glVertex $self->{w} - .5, $self->{h} * .5;
2289 glEnd;
2290 }
2291}
2292
2293#############################################################################
2294
2295package DC::UI::Entry;
2296
2297our @ISA = DC::UI::EntryBase::;
2298
2299use DC::OpenGL;
2300
2301sub new {
2302 my $class = shift;
2303
2304 $class->SUPER::new (
2305 history_pointer => -1,
2306 @_
2307 )
2308}
2309
2310
2311sub invoke_key_down {
2312 my ($self, $ev) = @_;
2313
2314 my $sym = $ev->{sym};
2315
2316 if ($ev->{uni} == 0x0d || $sym == 13) {
2317 unshift @{$self->{history}},
2318 my $txt = $self->get_text;
2319
2320 $self->{history_pointer} = -1;
2321 $self->{history_saveback} = '';
2322 $self->emit (activate => $txt);
2323 $self->update;
2324
2325 } elsif ($sym == DC::SDLK_UP) {
2326 if ($self->{history_pointer} < 0) {
2327 $self->{history_saveback} = $self->get_text;
2328 }
2329 if (@{$self->{history} || []} > 0) {
2330 $self->{history_pointer}++;
2331 if ($self->{history_pointer} >= @{$self->{history} || []}) {
2332 $self->{history_pointer} = @{$self->{history} || []} - 1;
2333 }
2334 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2335 }
2336
2337 } elsif ($sym == DC::SDLK_DOWN) {
2338 $self->{history_pointer}--;
2339 $self->{history_pointer} = -1 if $self->{history_pointer} < 0;
2340
2341 if ($self->{history_pointer} >= 0) {
2342 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2343 } else {
2344 if (defined $self->{history_saveback}) {
2345 $self->set_text ($self->{history_saveback});
2346 $self->{history_saveback} = undef;
110 } 2347 }
111 } 2348 }
2349
2350 } else {
2351 return $self->SUPER::invoke_key_down ($ev)
2352 }
2353
112 } 2354 1
2355}
2356
2357#############################################################################
2358
2359package DC::UI::TextEdit;
2360
2361our @ISA = DC::UI::EntryBase::;
2362
2363use DC::OpenGL;
2364
2365sub new {
2366 my $class = shift;
2367
2368 $class->SUPER::new (
2369 padding_y => 4,
2370
2371 @_
2372 )
2373}
2374
2375sub move_cursor_ver {
2376 my ($self, $dy) = @_;
2377
2378 my ($line, $x) = $self->{layout}->index_to_line_x ($self->{cursor});
2379
2380 $line += $dy;
2381
2382 if (defined (my $index = $self->{layout}->line_x_to_index ($line, $x))) {
2383 $self->{cursor} = $index;
2384 delete $self->{cur_h};
2385 $self->update;
2386 return;
2387 }
2388}
2389
2390sub invoke_key_down {
2391 my ($self, $ev) = @_;
2392
2393 my $sym = $ev->{sym};
2394
2395 if ($sym == DC::SDLK_UP) {
2396 $self->move_cursor_ver (-1);
2397 } elsif ($sym == DC::SDLK_DOWN) {
2398 $self->move_cursor_ver (+1);
2399 } else {
2400 return $self->SUPER::invoke_key_down ($ev)
2401 }
2402
2403 1
2404}
2405
2406#############################################################################
2407
2408package DC::UI::ButtonBin;
2409
2410our @ISA = DC::UI::Bin::;
2411
2412use DC::OpenGL;
2413
2414my @tex =
2415 map { new_from_resource DC::Texture $_, mipmap => 1 }
2416 qw(b1_button_inactive.png b1_button_active.png);
2417
2418sub new {
2419 my $class = shift;
2420
2421 $class->SUPER::new (
2422 can_hover => 1,
2423 align => 0.5,
2424 valign => 0.5,
2425 can_events => 1,
2426 @_
2427 )
2428}
2429
2430sub invoke_button_up {
2431 my ($self, $ev, $x, $y) = @_;
2432
2433 $self->emit ("activate")
2434 if $x >= 0 && $x < $self->{w}
2435 && $y >= 0 && $y < $self->{h};
2436
2437 1
2438}
2439
2440sub _draw {
2441 my ($self) = @_;
2442
2443 glEnable GL_TEXTURE_2D;
2444 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2445 glColor 0, 0, 0, 1;
2446
2447 my $tex = $tex[$GRAB == $self];
2448 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
113 2449
114 glDisable GL_TEXTURE_2D; 2450 glDisable GL_TEXTURE_2D;
2451
2452 $self->SUPER::_draw;
2453}
2454
2455#############################################################################
2456
2457package DC::UI::Button;
2458
2459our @ISA = DC::UI::Label::;
2460
2461use DC::OpenGL;
2462
2463my @tex =
2464 map { new_from_resource DC::Texture $_, mipmap => 1 }
2465 qw(b1_button_inactive.png b1_button_active.png);
2466
2467sub new {
2468 my $class = shift;
2469
2470 $class->SUPER::new (
2471 padding_x => 8,
2472 padding_y => 4,
2473 fg => [1.0, 1.0, 1.0],
2474 active_fg => [0.8, 0.8, 0.8],
2475 can_hover => 1,
2476 align => 0.5,
2477 valign => 0.5,
2478 can_events => 1,
2479 @_
2480 )
2481}
2482
2483sub invoke_button_up {
2484 my ($self, $ev, $x, $y) = @_;
2485
2486 $self->emit ("activate")
2487 if $x >= 0 && $x < $self->{w}
2488 && $y >= 0 && $y < $self->{h};
2489
2490 1
2491}
2492
2493sub _draw {
2494 my ($self) = @_;
2495
2496 local $self->{fg} = $GRAB == $self ? $self->{active_fg} : $self->{fg};
2497
2498 glEnable GL_TEXTURE_2D;
2499 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2500 glColor 0, 0, 0, 1;
2501
2502 my $tex = $tex[$GRAB == $self];
2503 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
2504
2505 glDisable GL_TEXTURE_2D;
2506
2507 $self->SUPER::_draw;
2508}
2509
2510#############################################################################
2511
2512package DC::UI::CheckBox;
2513
2514our @ISA = DC::UI::DrawBG::;
2515
2516my @tex =
2517 map { new_from_resource DC::Texture $_, mipmap => 1 }
2518 qw(c1_checkbox_bg.png c1_checkbox_active.png);
2519
2520use DC::OpenGL;
2521
2522sub new {
2523 my $class = shift;
2524
2525 $class->SUPER::new (
2526 padding_x => 2,
2527 padding_y => 2,
2528 fg => [1, 1, 1],
2529 active_fg => [1, 1, 0],
2530 bg => [0, 0, 0, 0.2],
2531 active_bg => [1, 1, 1, 0.5],
2532 state => 0,
2533 can_hover => 1,
2534 @_
2535 )
2536}
2537
2538sub size_request {
2539 my ($self) = @_;
2540
2541 (6) x 2
2542}
2543
2544sub toggle {
2545 my ($self) = @_;
2546
2547 $self->{state} = !$self->{state};
2548 $self->emit (changed => $self->{state});
2549 $self->update;
2550}
2551
2552sub invoke_button_down {
2553 my ($self, $ev, $x, $y) = @_;
2554
2555 if ($x >= $self->{padding_x} && $x < $self->{w} - $self->{padding_x}
2556 && $y >= $self->{padding_y} && $y < $self->{h} - $self->{padding_y}) {
2557 $self->toggle;
2558 } else {
2559 return 0
2560 }
2561
2562 1
2563}
2564
2565sub _draw {
2566 my ($self) = @_;
2567
2568 $self->SUPER::_draw;
2569
2570 glTranslate $self->{padding_x}, $self->{padding_y}, 0;
2571
2572 my ($w, $h) = @$self{qw(w h)};
2573
2574 my $s = List::Util::min $w - $self->{padding_x} * 2, $h - $self->{padding_y} * 2;
2575
2576 glColor @{ $FOCUS == $self ? $self->{active_fg} : $self->{fg} };
2577
2578 my $tex = $self->{state} ? $tex[1] : $tex[0];
2579
2580 glEnable GL_TEXTURE_2D;
2581 $tex->draw_quad_alpha (0, 0, $s, $s);
2582 glDisable GL_TEXTURE_2D;
2583}
2584
2585#############################################################################
2586
2587package DC::UI::Image;
2588
2589our @ISA = DC::UI::Base::;
2590
2591use DC::OpenGL;
2592
2593our %texture_cache;
2594
2595sub new {
2596 my $class = shift;
2597
2598 my $self = $class->SUPER::new (
2599 can_events => 0,
2600 scale => 1,
2601 @_,
2602 );
2603
2604 $self->{path} || $self->{tex}
2605 or Carp::croak "'path' or 'tex' attributes required";
2606
2607 $self->{tex} ||= $texture_cache{$self->{path}} ||=
2608 new_from_resource DC::Texture $self->{path}, mipmap => 1;
2609
2610 DC::weaken $texture_cache{$self->{path}};
2611
2612 $self->{aspect} ||= $self->{tex}{w} / $self->{tex}{h};
2613
2614 $self
2615}
2616
2617sub STORABLE_freeze {
2618 my ($self, $cloning) = @_;
2619
2620 $self->{path}
2621 or die "cannot serialise DC::UI::Image on non-loadable images\n";
2622
2623 $self->{path}
2624}
2625
2626sub STORABLE_attach {
2627 my ($self, $cloning, $path) = @_;
2628
2629 $self->new (path => $path)
2630}
2631
2632sub size_request {
2633 my ($self) = @_;
2634
2635 (int $self->{tex}{w} * $self->{scale}, int $self->{tex}{h} * $self->{scale})
2636}
2637
2638sub _draw {
2639 my ($self) = @_;
2640
2641 my $tex = $self->{tex};
2642
2643 my ($w, $h) = ($self->{w}, $self->{h});
2644
2645 if ($self->{rot90}) {
2646 glRotate 90, 0, 0, 1;
2647 glTranslate 0, -$self->{w}, 0;
2648
2649 ($w, $h) = ($h, $w);
2650 }
2651
2652 glEnable GL_TEXTURE_2D;
2653 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2654
2655 $tex->draw_quad_alpha (0, 0, $w, $h);
2656
2657 glDisable GL_TEXTURE_2D;
2658}
2659
2660#############################################################################
2661
2662package DC::UI::ImageButton;
2663
2664our @ISA = DC::UI::Image::;
2665
2666use DC::OpenGL;
2667
2668my %textures;
2669
2670sub new {
2671 my $class = shift;
2672
2673 my $self = $class->SUPER::new (
2674 padding_x => 4,
2675 padding_y => 4,
2676 fg => [1, 1, 1],
2677 active_fg => [0, 0, 1],
2678 can_hover => 1,
2679 align => 0.5,
2680 valign => 0.5,
2681 can_events => 1,
2682 @_
2683 );
2684}
2685
2686sub invoke_button_down {
2687 my ($self, $ev, $x, $y) = @_;
2688
2689 1
2690}
2691
2692sub invoke_button_up {
2693 my ($self, $ev, $x, $y) = @_;
2694
2695 $self->emit ("activate")
2696 if $x >= 0 && $x < $self->{w}
2697 && $y >= 0 && $y < $self->{h};
2698
2699 1
2700}
2701
2702#############################################################################
2703
2704package DC::UI::VGauge;
2705
2706our @ISA = DC::UI::Base::;
2707
2708use List::Util qw(min max);
2709
2710use DC::OpenGL;
2711
2712my %tex = (
2713 food => [
2714 map { new_from_resource DC::Texture $_, mipmap => 1 }
2715 qw/g1_food_gauge_empty.png g1_food_gauge_full.png/
2716 ],
2717 grace => [
2718 map { new_from_resource DC::Texture $_, mipmap => 1 }
2719 qw/g1_grace_gauge_empty.png g1_grace_gauge_full.png g1_grace_gauge_overflow.png/
2720 ],
2721 hp => [
2722 map { new_from_resource DC::Texture $_, mipmap => 1 }
2723 qw/g1_hp_gauge_empty.png g1_hp_gauge_full.png/
2724 ],
2725 mana => [
2726 map { new_from_resource DC::Texture $_, mipmap => 1 }
2727 qw/g1_mana_gauge_empty.png g1_mana_gauge_full.png g1_mana_gauge_overflow.png/
2728 ],
2729);
2730
2731# eg. VGauge->new (gauge => 'food'), default gauge: food
2732sub new {
2733 my $class = shift;
2734
2735 my $self = $class->SUPER::new (
2736 type => 'food',
2737 @_
2738 );
2739
2740 $self->{aspect} = $tex{$self->{type}}[0]{w} / $tex{$self->{type}}[0]{h};
2741
2742 $self
2743}
2744
2745sub size_request {
2746 my ($self) = @_;
2747
2748 #my $tex = $tex{$self->{type}}[0];
2749 #@$tex{qw(w h)}
2750 (0, 0)
2751}
2752
2753sub set_max {
2754 my ($self, $max) = @_;
2755
2756 return if $self->{max_val} == $max;
2757
2758 $self->{max_val} = $max;
2759 $self->update;
2760}
2761
2762sub set_value {
2763 my ($self, $val, $max) = @_;
2764
2765 $self->set_max ($max)
2766 if defined $max;
2767
2768 return if $self->{val} == $val;
2769
2770 $self->{val} = $val;
2771 $self->update;
2772}
2773
2774sub _draw {
2775 my ($self) = @_;
2776
2777 my $tex = $tex{$self->{type}};
2778 my ($t1, $t2, $t3) = @$tex;
2779
2780 my ($w, $h) = ($self->{w}, $self->{h});
2781
2782 if ($self->{vertical}) {
2783 glRotate 90, 0, 0, 1;
2784 glTranslate 0, -$self->{w}, 0;
2785
2786 ($w, $h) = ($h, $w);
2787 }
2788
2789 my $ycut = $self->{val} / ($self->{max_val} || 1);
2790
2791 my $ycut1 = max 0, min 1, $ycut;
2792 my $ycut2 = max 0, min 1, $ycut - 1;
2793
2794 my $h1 = $self->{h} * (1 - $ycut1);
2795 my $h2 = $self->{h} * (1 - $ycut2);
2796 my $h3 = $self->{h};
2797
2798 $_ = $_ * (284-4)/288 + 4/288 for ($h1, $h2, $h3);
2799
2800 glEnable GL_BLEND;
2801 glBlendFuncSeparate GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
2802 GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2803 glEnable GL_TEXTURE_2D;
2804 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2805
2806 glBindTexture GL_TEXTURE_2D, $t1->{name};
2807 glBegin GL_QUADS;
2808 glTexCoord 0 , 0; glVertex 0 , 0;
2809 glTexCoord 0 , $t1->{t} * (1 - $ycut1); glVertex 0 , $h1;
2810 glTexCoord $t1->{s}, $t1->{t} * (1 - $ycut1); glVertex $w, $h1;
2811 glTexCoord $t1->{s}, 0; glVertex $w, 0;
2812 glEnd;
2813
2814 my $ycut1 = List::Util::min 1, $ycut;
2815 glBindTexture GL_TEXTURE_2D, $t2->{name};
2816 glBegin GL_QUADS;
2817 glTexCoord 0 , $t2->{t} * (1 - $ycut1); glVertex 0 , $h1;
2818 glTexCoord 0 , $t2->{t} * (1 - $ycut2); glVertex 0 , $h2;
2819 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut2); glVertex $w, $h2;
2820 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut1); glVertex $w, $h1;
2821 glEnd;
2822
2823 if ($t3) {
2824 glBindTexture GL_TEXTURE_2D, $t3->{name};
2825 glBegin GL_QUADS;
2826 glTexCoord 0 , $t3->{t} * (1 - $ycut2); glVertex 0 , $h2;
2827 glTexCoord 0 , $t3->{t}; glVertex 0 , $h3;
2828 glTexCoord $t3->{s}, $t3->{t}; glVertex $w, $h3;
2829 glTexCoord $t3->{s}, $t3->{t} * (1 - $ycut2); glVertex $w, $h2;
2830 glEnd;
2831 }
2832
115 glDisable GL_BLEND; 2833 glDisable GL_BLEND;
2834 glDisable GL_TEXTURE_2D;
116} 2835}
117 2836
1181; 2837#############################################################################
2838
2839package DC::UI::Progress;
2840
2841our @ISA = DC::UI::Label::;
2842
2843use DC::OpenGL;
2844
2845sub new {
2846 my ($class, %arg) = @_;
2847
2848 my $self = $class->SUPER::new (
2849 padding_x => 2,
2850 padding_y => 2,
2851 fg => [1, 1, 1],
2852 bg => [0, 0, 1, 0.2],
2853 bar => [0.7, 0.5, 0.1, 0.8],
2854 outline => [0.4, 0.3, 0],
2855 fontsize => 0.9,
2856 valign => 0.5,
2857 align => 0.5,
2858 can_events => 1,
2859 ellipsise => 1,
2860 label => "%d%%",
2861 %arg,
2862 );
2863
2864 $self->set_value ($arg{value} || -1);
2865
2866 $self
2867}
2868
2869sub set_label {
2870 my ($self, $label) = @_;
2871
2872 return if $self->{label} eq $label;
2873 $self->{label} = $label;
2874
2875 $self->DC::UI::Progress::set_value (0 + delete $self->{value});
2876}
2877
2878sub set_value {
2879 my ($self, $value) = @_;
2880
2881 if ($self->{value} ne $value) {
2882 $self->{value} = $value;
2883
2884 if ($value < 0) {
2885 $self->set_text ("-");
2886 } else {
2887 $self->set_text (sprintf $self->{label}, $value * 100);
2888 }
2889
2890 $self->update;
2891 }
2892}
2893
2894sub _draw {
2895 my ($self) = @_;
2896
2897 glEnable GL_BLEND;
2898 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2899
2900 my $px = $self->{padding_x};
2901 my $py = $self->{padding_y};
2902
2903 if ($self->{value} >= 0) {
2904 my $s = int $px + ($self->{w} - $px * 2) * $self->{value};
2905
2906 glColor_premultiply @{$self->{bar}};
2907 glRect $px, $py, $s, $self->{h} - $py;
2908 glColor_premultiply @{$self->{bg}};
2909 glRect $s , $py, $self->{w} - $px, $self->{h} - $py;
2910 }
2911
2912 glColor_premultiply @{$self->{outline}};
2913
2914 $px -= .5;
2915 $py -= .5;
2916
2917 glRect_lineloop $px, $py, $self->{w} - $px, $self->{h} - $py;
2918
2919 glDisable GL_BLEND;
2920
2921 {
2922 local $self->{bg}; # do not draw background
2923 $self->SUPER::_draw;
2924 }
2925}
2926
2927#############################################################################
2928
2929package DC::UI::ExperienceProgress;
2930
2931our @ISA = DC::UI::Progress::;
2932
2933sub new {
2934 my ($class, %arg) = @_;
2935
2936 my $tt = exists $arg{tooltip} ? "$arg{tooltip}\n\n" : "";
2937
2938 my $self = $class->SUPER::new (
2939 %arg,
2940 tooltip => sub {
2941 my ($self) = @_;
2942
2943 sprintf "%slevel %d\n%s points\n%s next level\n%s to go",
2944 $tt,
2945 $self->{lvl},
2946 ::formsep ($self->{exp}),
2947 ::formsep ($self->{nxt}),
2948 ::formsep ($self->{nxt} - $self->{exp}),
2949 },
2950 );
2951
2952 $::CONN->{on_exp_update}{$self+0} = sub { $self->set_value ($self->{value}) }
2953 if $::CONN;
2954
2955 $self
2956}
2957
2958sub DESTROY {
2959 my ($self) = @_;
2960
2961 delete $::CONN->{on_exp_update}{$self+0}
2962 if $::CONN;
2963
2964 $self->SUPER::DESTROY;
2965}
2966
2967sub set_value {
2968 my ($self, $lvl, $exp) = @_;
2969
2970 $self->{lvl} = $lvl;
2971 $self->{exp} = $exp;
2972
2973 my $v = -1;
2974
2975 if ($::CONN && (my $table = $::CONN->{exp_table})) {
2976 my $l0 = $table->[$lvl - 1];
2977 my $l1 = $table->[$lvl];
2978
2979 $self->{nxt} = $l1;
2980
2981 $v = ($exp - $l0) / ($l1 - $l0);
2982 }
2983
2984 $self->SUPER::set_value ($v);
2985}
2986
2987#############################################################################
2988
2989package DC::UI::Gauge;
2990
2991our @ISA = DC::UI::VBox::;
2992
2993sub new {
2994 my ($class, %arg) = @_;
2995
2996 my $self = $class->SUPER::new (
2997 tooltip => $arg{type},
2998 can_hover => 1,
2999 can_events => 1,
3000 %arg,
3001 );
3002
3003 $self->add ($self->{value} = new DC::UI::Label valign => 1, align => 0.5, template => "999");
3004 $self->add ($self->{gauge} = new DC::UI::VGauge type => $self->{type}, expand => 1, can_hover => 1);
3005 $self->add ($self->{max} = new DC::UI::Label valign => 0, align => 0.5, template => "999");
3006
3007 $self
3008}
3009
3010sub set_fontsize {
3011 my ($self, $fsize) = @_;
3012
3013 $self->{value}->set_fontsize ($fsize);
3014 $self->{max} ->set_fontsize ($fsize);
3015}
3016
3017sub set_max {
3018 my ($self, $max) = @_;
3019
3020 $self->{gauge}->set_max ($max);
3021 $self->{max}->set_text ($max);
3022}
3023
3024sub set_value {
3025 my ($self, $val, $max) = @_;
3026
3027 $self->set_max ($max)
3028 if defined $max;
3029
3030 $self->{gauge}->set_value ($val, $max);
3031 $self->{value}->set_text ($val);
3032}
3033
3034#############################################################################
3035
3036package DC::UI::Slider;
3037
3038use strict;
3039
3040use DC::OpenGL;
3041
3042our @ISA = DC::UI::DrawBG::;
3043
3044my @tex =
3045 map { new_from_resource DC::Texture $_ }
3046 qw(s1_slider.png s1_slider_bg.png);
3047
3048sub new {
3049 my $class = shift;
3050
3051 # range [value, low, high, page, unit]
3052
3053 # TODO: 0-width page
3054 # TODO: req_w/h are wrong with vertical
3055 # TODO: calculations are off
3056 my $self = $class->SUPER::new (
3057 fg => [1, 1, 1],
3058 active_fg => [0, 0, 0],
3059 bg => [0, 0, 0, 0.2],
3060 active_bg => [1, 1, 1, 0.5],
3061 range => [0, 0, 100, 10, 0],
3062 min_w => $::WIDTH / 80,
3063 min_h => $::WIDTH / 80,
3064 vertical => 0,
3065 can_hover => 1,
3066 inner_pad => 0.02,
3067 @_
3068 );
3069
3070 $self->set_value ($self->{range}[0]);
3071 $self->update;
3072
3073 $self
3074}
3075
3076sub set_range {
3077 my ($self, $range) = @_;
3078
3079 ($range, $self->{range}) = ($self->{range}, $range);
3080
3081 if ("@$range" ne "@{$self->{range}}") {
3082 $self->update;
3083 $self->set_value ($self->{range}[0]);
3084 }
3085}
3086
3087sub set_value {
3088 my ($self, $value) = @_;
3089
3090 my ($old_value, $lo, $hi, $page, $unit) = @{$self->{range}};
3091
3092 $hi = $lo if $hi < $lo;
3093
3094 $value = $hi - $page if $value > $hi - $page;
3095 $value = $lo if $value < $lo;
3096
3097 $value = $lo + $unit * int +($value - $lo + $unit * 0.5) / $unit
3098 if $unit;
3099
3100 @{$self->{range}} = ($value, $lo, $hi, $page, $unit);
3101
3102 if ($value != $old_value) {
3103 $self->emit (changed => $value);
3104 $self->update;
3105 }
3106}
3107
3108sub size_request {
3109 my ($self) = @_;
3110
3111 ($self->{req_w}, $self->{req_h})
3112}
3113
3114sub invoke_button_down {
3115 my ($self, $ev, $x, $y) = @_;
3116
3117 $self->SUPER::invoke_button_down ($ev, $x, $y);
3118
3119 $self->{click} = [$self->{range}[0], $self->{vertical} ? $y : $x];
3120
3121 $self->invoke_mouse_motion ($ev, $x, $y);
3122
3123 1
3124}
3125
3126sub invoke_mouse_motion {
3127 my ($self, $ev, $x, $y) = @_;
3128
3129 if ($GRAB == $self) {
3130 my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w});
3131
3132 my (undef, $lo, $hi, $page) = @{$self->{range}};
3133
3134 $x = ($x - $self->{click}[1]) / ($w * $self->{scale});
3135
3136 $self->set_value ($self->{click}[0] + $x * ($hi - $page - $lo));
3137 } else {
3138 return 0;
3139 }
3140
3141 1
3142}
3143
3144sub invoke_mouse_wheel {
3145 my ($self, $ev) = @_;
3146
3147 my $delta = $self->{vertical} ? $ev->{dy} : $ev->{dx};
3148
3149 my $pagepart = $ev->{mod} & DC::KMOD_SHIFT ? 1 : 0.2;
3150
3151 $self->set_value ($self->{range}[0] + $delta * $self->{range}[3] * $pagepart);
3152
3153 1
3154}
3155
3156sub update {
3157 my ($self) = @_;
3158
3159 delete $self->{knob_w};
3160 $self->SUPER::update;
3161}
3162
3163sub _draw {
3164 my ($self) = @_;
3165
3166 unless ($self->{knob_w}) {
3167 $self->set_value ($self->{range}[0]);
3168
3169 my ($value, $lo, $hi, $page, $unit) = @{$self->{range}};
3170 my $range = ($hi - $page - $lo) || 1e-10;
3171
3172 my $knob_w = List::Util::min 1, $page / (($hi - $lo) || 1e-10) || 24 / $self->{w};
3173
3174 $self->{offset} = List::Util::max $self->{inner_pad}, $knob_w * 0.5;
3175 $self->{scale} = 1 - 2 * $self->{offset} || 1e-100;
3176
3177 $value = ($value - $lo) / $range;
3178 $value = $value * $self->{scale} + $self->{offset};
3179
3180 $self->{knob_x} = $value - $knob_w * 0.5;
3181 $self->{knob_w} = $knob_w;
3182 }
3183
3184 $self->SUPER::_draw ();
3185
3186 glScale $self->{w}, $self->{h};
3187
3188 if ($self->{vertical}) {
3189 # draw a vertical slider like a rotated horizontal slider
3190
3191 glTranslate 1, 0, 0;
3192 glRotate 90, 0, 0, 1;
3193 }
3194
3195 my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg};
3196 my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg};
3197
3198 glEnable GL_TEXTURE_2D;
3199 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3200
3201 # draw background
3202 $tex[1]->draw_quad_alpha (0, 0, 1, 1);
3203
3204 # draw handle
3205 $tex[0]->draw_quad_alpha ($self->{knob_x}, 0, $self->{knob_w}, 1);
3206
3207 glDisable GL_TEXTURE_2D;
3208}
3209
3210#############################################################################
3211
3212package DC::UI::ValSlider;
3213
3214our @ISA = DC::UI::HBox::;
3215
3216sub new {
3217 my ($class, %arg) = @_;
3218
3219 my $range = delete $arg{range};
3220
3221 my $self = $class->SUPER::new (
3222 slider => (new DC::UI::Slider expand => 1, range => $range),
3223 entry => (new DC::UI::Label text => "", template => delete $arg{template}),
3224 to_value => sub { shift },
3225 from_value => sub { shift },
3226 %arg,
3227 );
3228
3229 $self->{slider}->connect (changed => sub {
3230 my ($self, $value) = @_;
3231 $self->{parent}{entry}->set_text ($self->{parent}{to_value}->($value));
3232 $self->{parent}->emit (changed => $value);
3233 });
3234
3235# $self->{entry}->connect (changed => sub {
3236# my ($self, $value) = @_;
3237# $self->{parent}{slider}->set_value ($self->{parent}{from_value}->($value));
3238# $self->{parent}->emit (changed => $value);
3239# });
3240
3241 $self->add ($self->{slider}, $self->{entry});
3242
3243 $self->{slider}->emit (changed => $self->{slider}{range}[0]);
3244
3245 $self
3246}
3247
3248sub set_range { shift->{slider}->set_range (@_) }
3249sub set_value { shift->{slider}->set_value (@_) }
3250
3251#############################################################################
3252
3253package DC::UI::TextScroller;
3254
3255our @ISA = DC::UI::HBox::;
3256
3257use DC::OpenGL;
3258
3259sub new {
3260 my $class = shift;
3261
3262 my $self = $class->SUPER::new (
3263 fontsize => 1,
3264 can_events => 1,
3265 indent => 0,
3266 #font => default_font
3267 @_,
3268
3269 layout => (new DC::Layout),
3270 par => [],
3271 max_par => 0,
3272 height => 0,
3273 children => [
3274 (new DC::UI::Empty expand => 1),
3275 (new DC::UI::Slider vertical => 1),
3276 ],
3277 );
3278
3279 $self->{children}[1]->connect (changed => sub { $self->update });
3280
3281 $self
3282}
3283
3284sub set_fontsize {
3285 my ($self, $fontsize) = @_;
3286
3287 $self->{fontsize} = $fontsize;
3288 $self->reflow;
3289}
3290
3291sub size_request {
3292 my ($self) = @_;
3293
3294 my ($empty, $slider) = $self->visible_children;
3295
3296 local $self->{children} = [$empty, $slider];
3297 $self->SUPER::size_request
3298}
3299
3300sub invoke_size_allocate {
3301 my ($self, $w, $h) = @_;
3302
3303 my ($empty, $slider, @other) = @{ $self->{children} };
3304 $_->configure (@$_{qw(x y req_w req_h)}) for @other;
3305
3306 $self->{layout}->set_font ($self->{font}) if $self->{font};
3307 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
3308 $self->{layout}->set_width ($empty->{w});
3309 $self->{layout}->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3310
3311 $self->reflow;
3312
3313 local $self->{children} = [$empty, $slider];
3314 $self->SUPER::invoke_size_allocate ($w, $h)
3315}
3316
3317sub invoke_mouse_wheel {
3318 my ($self, $ev) = @_;
3319
3320 return 0 unless $ev->{dy}; # only vertical movements
3321
3322 $self->{children}[1]->emit (mouse_wheel => $ev);
3323
3324 1
3325}
3326
3327sub get_layout {
3328 my ($self, $para) = @_;
3329
3330 my $layout = $self->{layout};
3331
3332 $layout->set_font ($self->{font}) if $self->{font};
3333 $layout->set_foreground (@{$para->{fg}});
3334 $layout->set_height ($self->{fontsize} * $::FONTSIZE);
3335 $layout->set_width ($self->{children}[0]{w} - $para->{indent});
3336 $layout->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3337 $layout->set_markup ($para->{markup});
3338
3339 $layout->set_shapes (
3340 map
3341 +(0, $_->baseline_shift + $_->{padding_y} - $_->{h}, $_->{w}, $_->{h}),
3342 @{$para->{widget}}
3343 );
3344
3345 $layout
3346}
3347
3348sub reflow {
3349 my ($self) = @_;
3350
3351 $self->{need_reflow}++;
3352 $self->update;
3353}
3354
3355sub set_offset {
3356 my ($self, $offset) = @_;
3357
3358 # todo: base offset on lines or so, not on pixels
3359 $self->{children}[1]->set_value ($offset);
3360}
3361
3362sub current_paragraph {
3363 my ($self) = @_;
3364
3365 $self->{top_paragraph} - 1
3366}
3367
3368sub scroll_to {
3369 my ($self, $para) = @_;
3370
3371 $para = List::Util::max 0, List::Util::min $#{$self->{par}}, $para;
3372
3373 $self->{scroll_to} = $para;
3374 $self->update;
3375}
3376
3377sub clear {
3378 my ($self) = @_;
3379
3380 my (undef, undef, @other) = @{ $self->{children} };
3381 $self->remove ($_) for @other;
3382
3383 $self->{par} = [];
3384 $self->{height} = 0;
3385 $self->{children}[1]->set_range ([0, 0, 0, 1, 1]);
3386}
3387
3388sub add_paragraph {
3389 my $self = shift;
3390
3391 for my $para (@_) {
3392 $para = {
3393 fg => [1, 1, 1, 1],
3394 indent => 0,
3395 markup => "",
3396 widget => [],
3397 ref $para ? %$para : (markup => $para),
3398 w => 1e10,
3399 wrapped => 1,
3400 };
3401
3402 $self->add (@{ $para->{widget} }) if @{ $para->{widget} };
3403 push @{$self->{par}}, $para;
3404 }
3405
3406 if (my $max = $self->{max_par}) {
3407 shift @{$self->{par}} while @{$self->{par}} > $max;
3408 }
3409
3410 $self->{need_reflow}++;
3411 $self->update;
3412}
3413
3414sub scroll_to_bottom {
3415 my ($self) = @_;
3416
3417 $self->{scroll_to} = $#{$self->{par}};
3418 $self->update;
3419}
3420
3421sub force_uptodate {
3422 my ($self) = @_;
3423
3424 if (delete $self->{need_reflow}) {
3425 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3426
3427 my $height = 0;
3428
3429 for my $para (@{$self->{par}}) {
3430 if ($para->{w} != $W && ($para->{wrapped} || $para->{w} > $W)) {
3431 my $layout = $self->get_layout ($para);
3432 my ($w, $h) = $layout->size;
3433
3434 $para->{w} = $w + $para->{indent};
3435 $para->{h} = $h;
3436 $para->{wrapped} = $layout->has_wrapped;
3437 }
3438
3439 $para->{y} = $height;
3440 $height += $para->{h};
3441 }
3442
3443 $self->{height} = $height;
3444 $self->{children}[1]->set_range ([$self->{children}[1]{range}[0], 0, $height, $H, 1]);
3445
3446 delete $self->{texture};
3447 }
3448
3449 if (my $paridx = delete $self->{scroll_to}) {
3450 $self->{children}[1]->set_value ($self->{par}[$paridx]{y});
3451 }
3452}
3453
3454sub update {
3455 my ($self) = @_;
3456
3457 $self->SUPER::update;
3458
3459 return unless $self->{h} > 0;
3460
3461 delete $self->{texture};
3462
3463 $ROOT->on_post_alloc ($self => sub {
3464 $self->force_uptodate;
3465
3466 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3467
3468 $self->{texture} ||= new_from_opengl DC::Texture $W, $H, sub {
3469 glClearColor 0, 0, 0, 0;
3470 glClear GL_COLOR_BUFFER_BIT;
3471
3472 package DC::UI::Base;
3473 local ($draw_x, $draw_y, $draw_w, $draw_h) =
3474 (0, 0, $self->{w}, $self->{h});
3475
3476 my $top = int $self->{children}[1]{range}[0];
3477
3478 my $paridx = 0;
3479 my $top_paragraph;
3480 my $top = int $self->{children}[1]{range}[0];
3481
3482 my $y0 = $top;
3483 my $y1 = $top + $H;
3484
3485 for my $para (@{$self->{par}}) {
3486 my $h = $para->{h};
3487 my $y = $para->{y};
3488
3489 if ($y0 < $y + $h && $y < $y1) {
3490 my $layout = $self->get_layout ($para);
3491
3492 $layout->render ($para->{indent}, $y - $y0);
3493 $layout->draw;
3494
3495 if (my @w = @{ $para->{widget} }) {
3496 my @s = $layout->get_shapes;
3497
3498 for (@w) {
3499 my ($dx, $dy) = splice @s, 0, 2, ();
3500
3501 $_->{x} = $dx + $para->{indent};
3502 $_->{y} = $dy + $y - $y0;
3503
3504 $_->draw;
3505 }
3506 }
3507 }
3508
3509 $paridx++;
3510 $top_paragraph ||= $paridx if $y >= $top;
3511 }
3512
3513 $self->{top_paragraph} = $top_paragraph;
3514 };
3515 });
3516}
3517
3518sub reconfigure {
3519 my ($self) = @_;
3520
3521 $self->SUPER::reconfigure;
3522
3523 $_->{w} = 1e10 for @{ $self->{par} };
3524 $self->reflow;
3525}
3526
3527sub _draw {
3528 my ($self) = @_;
3529
3530 glEnable GL_TEXTURE_2D;
3531 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3532 glColor 0, 0, 0, 1;
3533 $self->{texture}->draw_quad_alpha_premultiplied (0, 0, $self->{children}[0]{w}, $self->{children}[0]{h});
3534 glDisable GL_TEXTURE_2D;
3535
3536 $self->{children}[1]->draw;
3537}
3538
3539#############################################################################
3540
3541package DC::UI::Animator;
3542
3543use DC::OpenGL;
3544
3545our @ISA = DC::UI::Bin::;
3546
3547sub moveto {
3548 my ($self, $x, $y) = @_;
3549
3550 $self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
3551 $self->{speed} = 0.001;
3552 $self->{time} = 1;
3553
3554 ::animation_start $self;
3555}
3556
3557sub animate {
3558 my ($self, $interval) = @_;
3559
3560 $self->{time} -= $interval * $self->{speed};
3561 if ($self->{time} <= 0) {
3562 $self->{time} = 0;
3563 ::animation_stop $self;
3564 }
3565
3566 my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
3567
3568 $self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
3569 $self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
3570}
3571
3572sub _draw {
3573 my ($self) = @_;
3574
3575 glPushMatrix;
3576 glRotate $self->{time} * 1000, 0, 1, 0;
3577 $self->{children}[0]->draw;
3578 glPopMatrix;
3579}
3580
3581#############################################################################
3582
3583package DC::UI::Flopper;
3584
3585our @ISA = DC::UI::Button::;
3586
3587sub new {
3588 my $class = shift;
3589
3590 my $self = $class->SUPER::new (
3591 state => 0,
3592 on_activate => \&toggle_flopper,
3593 @_
3594 );
3595
3596 $self
3597}
3598
3599sub toggle_flopper {
3600 my ($self) = @_;
3601
3602 $self->{other}->toggle_visibility;
3603}
3604
3605#############################################################################
3606
3607package DC::UI::Tooltip;
3608
3609our @ISA = DC::UI::Bin::;
3610
3611use DC::OpenGL;
3612
3613sub new {
3614 my $class = shift;
3615
3616 $class->SUPER::new (
3617 @_,
3618 can_events => 0,
3619 )
3620}
3621
3622sub set_tooltip_from {
3623 my ($self, $widget) = @_;
3624
3625 my $tip = $widget->{tooltip};
3626 $tip = $tip->($widget) if "CODE" eq ref $tip;
3627
3628 $tip = DC::Pod::section_label tooltip => $1
3629 if $tip =~ /^#(.*)$/;
3630
3631 if ($ENV{CFPLUS_DEBUG} & 2) {
3632 $tip .= "\n\n" . (ref $widget) . "\n"
3633 . "$widget->{x} $widget->{y} $widget->{w} $widget->{h}\n"
3634 . "req $widget->{req_w} $widget->{req_h}\n"
3635 . "visible $widget->{visible}";
3636 }
3637
3638 $tip =~ s/^\n+//;
3639 $tip =~ s/\n+$//;
3640
3641 $self->add (new DC::UI::Label
3642 fg => $DC::THEME{tooltip_fg},
3643 markup => $tip,
3644 max_w => ($widget->{tooltip_width} || 0.25) * $::WIDTH,
3645 align => 0,
3646 fontsize => 0.8,
3647 style => $DC::THEME{tooltip_style}, # FLAG_INVERSE
3648 ellipsise => 0,
3649 font => ($widget->{tooltip_font} || $::FONT_PROP),
3650 );
3651}
3652
3653sub size_request {
3654 my ($self) = @_;
3655
3656 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
3657
3658 ($w + 4, $h + 4)
3659}
3660
3661sub invoke_size_allocate {
3662 my ($self, $w, $h) = @_;
3663
3664 $self->SUPER::invoke_size_allocate ($w - 4, $h - 4)
3665}
3666
3667sub invoke_visibility_change {
3668 my ($self, $visible) = @_;
3669
3670 return unless $visible;
3671
3672 $self->{root}->on_post_alloc ("move_$self" => sub {
3673 my $widget = $self->{owner}
3674 or return;
3675
3676 if ($widget->{visible}) {
3677 my ($x, $y) = $widget->coord2global ($widget->{w}, 0);
3678
3679 ($x, $y) = $widget->coord2global (-$self->{w}, 0)
3680 if $x + $self->{w} > $self->{root}{w};
3681
3682 $self->move_abs ($x, $y);
3683 } else {
3684 $self->hide;
3685 }
3686 });
3687}
3688
3689sub _draw {
3690 my ($self) = @_;
3691
3692 my ($w, $h) = @$self{qw(w h)};
3693
3694 glColor @{ $DC::THEME{tooltip_bg} };
3695 glRect 0, 0, $w, $h;
3696
3697 glColor @{ $DC::THEME{tooltip_border} };
3698 glRect_lineloop .5, .5, $w + .5, $h + .5;
3699
3700 glTranslate 2, 2;
3701
3702 $self->SUPER::_draw;
3703}
3704
3705#############################################################################
3706
3707package DC::UI::Face;
3708
3709our @ISA = DC::UI::DrawBG::;
3710
3711use DC::OpenGL;
3712
3713sub new {
3714 my $class = shift;
3715
3716 my $self = $class->SUPER::new (
3717 size_w => 32,
3718 size_h => 8,
3719 aspect => 1,
3720 can_events => 0,
3721 @_,
3722 );
3723
3724 if ($self->{anim} && $self->{animspeed}) {
3725 DC::weaken (my $widget = $self);
3726
3727 $self->{animspeed} = List::Util::max 0.05, $self->{animspeed};
3728 $self->{timer} = EV::periodic_ns 0, $self->{animspeed}, undef, sub {
3729 return unless $::CONN;
3730
3731 my $w = $widget
3732 or return;
3733
3734 ++$w->{frame};
3735 $w->update_face;
3736
3737 # somehow, $widget can go away
3738 $w->update;
3739 $w->update_timer;
3740 };
3741
3742 $self->update_face;
3743 $self->update_timer;
3744 }
3745
3746 $self
3747}
3748
3749sub update_timer {
3750 my ($self) = @_;
3751
3752 return unless $self->{timer};
3753
3754 if ($self->{visible}) {
3755 $self->{timer}->start;
3756 } else {
3757 $self->{timer}->stop;
3758 }
3759}
3760
3761sub update_face {
3762 my ($self) = @_;
3763
3764 if ($::CONN) {
3765 if (my $anim = $::CONN->{anim}[$self->{anim}]) {
3766 if ($anim && @$anim) {
3767 $self->{face} = $anim->[ $self->{frame} % @$anim ];
3768 delete $self->{face_change_cb};
3769
3770 if (my $tex = $self->{tex} = $::CONN->{texture}[ $::CONN->{face}[$self->{face}]{id} ]) {
3771 unless ($tex->{name} || $tex->{loading}) {
3772 $tex->upload (sub { $self->reconfigure });
3773 }
3774 }
3775 }
3776 }
3777 }
3778}
3779
3780sub size_request {
3781 my ($self) = @_;
3782
3783 if ($::CONN) {
3784 if (my $faceid = $::CONN->{face}[$self->{face}]{id}) {
3785 if (my $tex = $self->{tex} = $::CONN->{texture}[$faceid]) {
3786 if ($tex->{name}) {
3787 return ($self->{size_w} || $tex->{w}, $self->{size_h} || $tex->{h});
3788 } elsif (!$tex->{loading}) {
3789 $tex->upload (sub { $self->reconfigure });
3790 }
3791 }
3792
3793 $self->{face_change_cb} ||= $::CONN->on_face_change ($self->{face}, sub { $self->reconfigure });
3794 }
3795 }
3796
3797 ($self->{size_w} || 8, $self->{size_h} || 8)
3798}
3799
3800sub update {
3801 my ($self) = @_;
3802
3803 return unless $self->{visible};
3804
3805 $self->SUPER::update;
3806}
3807
3808sub invoke_visibility_change {
3809 my ($self) = @_;
3810
3811 $self->update_timer;
3812
3813 0
3814}
3815
3816sub _draw {
3817 my ($self) = @_;
3818
3819 $self->SUPER::_draw;
3820
3821 if (my $tex = $self->{tex}) {
3822 glEnable GL_TEXTURE_2D;
3823 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3824 glColor 0, 0, 0, 1;
3825 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
3826 glDisable GL_TEXTURE_2D;
3827 }
3828}
3829
3830sub destroy {
3831 my ($self) = @_;
3832
3833 (delete $self->{timer})->cancel
3834 if $self->{timer};
3835
3836 $self->SUPER::destroy;
3837}
3838
3839#############################################################################
3840
3841package DC::UI::Buttonbar;
3842
3843our @ISA = DC::UI::HBox::;
3844
3845# TODO: should actually wrap buttons and other goodies.
3846
3847#############################################################################
3848
3849package DC::UI::Menu;
3850
3851our @ISA = DC::UI::Toplevel::;
3852
3853use DC::OpenGL;
3854
3855sub new {
3856 my $class = shift;
3857
3858 my $self = $class->SUPER::new (
3859 items => [],
3860 z => 100,
3861 @_,
3862 );
3863
3864 $self->add ($self->{vbox} = new DC::UI::VBox);
3865
3866 for my $item (@{ $self->{items} }) {
3867 my ($widget, $cb, $tooltip) = @$item;
3868
3869 # handle various types of items, only text for now
3870 if (!ref $widget) {
3871 if ($widget =~ /\t/) {
3872 my ($left, $right) = split /\t/, $widget, 2;
3873
3874 $widget = new DC::UI::HBox
3875 can_hover => 1,
3876 can_events => 1,
3877 tooltip => $tooltip,
3878 children => [
3879 (new DC::UI::Label markup => $left , align => 0, expand => 1),
3880 (new DC::UI::Label markup => $right, align => 1),
3881 ],
3882 ;
3883
3884 } else {
3885 $widget = new DC::UI::Label
3886 can_hover => 1,
3887 can_events => 1,
3888 align => 0,
3889 markup => $widget,
3890 tooltip => $tooltip;
3891 }
3892 }
3893
3894 $self->{item}{$widget} = $item;
3895
3896 $self->{vbox}->add ($widget);
3897 }
3898
3899 $self
3900}
3901
3902# popup given the event (must be a mouse button down event currently)
3903sub popup {
3904 my ($self, $ev) = @_;
3905
3906 $self->emit ("popdown");
3907
3908 # maybe save $GRAB? must be careful about events...
3909 $GRAB = $self;
3910 $self->{button} = $ev->{button};
3911
3912 $self->show;
3913 $self->move_abs ($ev->{x} - $self->{w} * 0.5, $ev->{y} - $self->{h} * 0.5);
3914
3915 1 # so it can be used inside event handlers
3916}
3917
3918sub invoke_mouse_motion {
3919 my ($self, $ev, $x, $y) = @_;
3920
3921 # TODO: should use vbox->find_widget or so
3922 $HOVER = $ROOT->find_widget ($ev->{x}, $ev->{y});
3923 $self->{hover} = $self->{item}{$HOVER};
3924
3925 0
3926}
3927
3928sub invoke_button_up {
3929 my ($self, $ev, $x, $y) = @_;
3930
3931 if ($ev->{button} == $self->{button}) {
3932 undef $GRAB;
3933 $self->hide;
3934
3935 $self->emit ("popdown");
3936 $self->{hover}[1]->() if $self->{hover};
3937 } else {
3938 return 0
3939 }
3940
3941 1
3942}
3943
3944#############################################################################
3945
3946package DC::UI::Multiplexer;
3947
3948our @ISA = DC::UI::Container::;
3949
3950sub new {
3951 my $class = shift;
3952
3953 my $self = $class->SUPER::new (
3954 @_,
3955 );
3956
3957 $self->set_current_page (0);
3958
3959 $self
3960}
3961
3962sub add {
3963 my ($self, @widgets) = @_;
3964
3965 $self->SUPER::add (@widgets);
3966
3967 $self->set_current_page (0)
3968 if @widgets == @{ $self->{children} };
3969}
3970
3971sub get_current_page {
3972 my ($self) = @_;
3973
3974 $self->{current}
3975}
3976
3977sub set_current_page {
3978 my ($self, $page_or_widget) = @_;
3979
3980 my $widget = ref $page_or_widget
3981 ? $page_or_widget
3982 : $self->{children}[$page_or_widget];
3983
3984 $self->{current}->set_invisible if $self->{current} && $self->{visible};
3985
3986 if (($self->{current} = $widget)) {
3987 $self->{current}->set_visible if $self->{current} && $self->{visible};
3988 $self->{current}->configure (0, 0, $self->{w}, $self->{h});
3989
3990 $self->emit (page_changed => $self->{current});
3991 }
3992
3993 $self->realloc;
3994}
3995
3996sub visible_children {
3997 $_[0]{current} || ()
3998}
3999
4000sub size_request {
4001 my ($self) = @_;
4002
4003 $self->{current}
4004 ? $self->{current}->size_request
4005 : (0, 0)
4006}
4007
4008sub invoke_size_allocate {
4009 my ($self, $w, $h) = @_;
4010
4011 $self->{current}->configure (0, 0, $w, $h)
4012 if $self->{current};
4013
4014 1
4015}
4016
4017sub _draw {
4018 my ($self) = @_;
4019
4020 $self->{current}->draw
4021 if $self->{current};
4022}
4023
4024#############################################################################
4025
4026package DC::UI::Notebook;
4027
4028use DC::OpenGL;
4029
4030our @ISA = DC::UI::VBox::;
4031
4032sub new {
4033 my $class = shift;
4034
4035 my $self = $class->SUPER::new (
4036 buttonbar => (new DC::UI::Buttonbar),
4037 multiplexer => (new DC::UI::Multiplexer expand => 1),
4038 active_outline => [.7, .7, 0.2],
4039 # filter => # will be put between multiplexer and $self
4040 @_,
4041 );
4042
4043 $self->{filter}->add ($self->{multiplexer}) if $self->{filter};
4044 $self->SUPER::add ($self->{buttonbar}, $self->{filter} || $self->{multiplexer});
4045
4046 {
4047 Scalar::Util::weaken (my $wself = $self);
4048
4049 $self->{multiplexer}->connect (c_add => sub {
4050 my ($mplex, $widgets) = @_;
4051
4052 for my $child (@$widgets) {
4053 Scalar::Util::weaken $child;
4054 $child->{c_tab_} ||= do {
4055 my $tab =
4056 (UNIVERSAL::isa $child->{c_tab}, "DC::UI::Base")
4057 ? $child->{c_tab}
4058 : new DC::UI::Button markup => $child->{c_tab}[0], tooltip => $child->{c_tab}[1];
4059
4060 $tab->connect (activate => sub {
4061 $wself->set_current_page ($child);
4062 });
4063
4064 $tab
4065 };
4066
4067 $self->{buttonbar}->add ($child->{c_tab_});
4068 }
4069 });
4070
4071 $self->{multiplexer}->connect (c_remove => sub {
4072 my ($mplex, $widgets) = @_;
4073
4074 for my $child (@$widgets) {
4075 $wself->{buttonbar}->remove ($child->{c_tab_});
4076 }
4077 });
4078 }
4079
4080 $self
4081}
4082
4083sub add {
4084 my ($self, @widgets) = @_;
4085
4086 $self->{multiplexer}->add (@widgets)
4087}
4088
4089sub remove {
4090 my ($self, @widgets) = @_;
4091
4092 $self->{multiplexer}->remove (@widgets)
4093}
4094
4095sub pages {
4096 my ($self) = @_;
4097 $self->{multiplexer}->children
4098}
4099
4100sub page_index {
4101 my ($self, $widget) = @_;
4102
4103 my $i = 0;
4104 for ($self->pages) {
4105 if ($_ eq $widget) { return $i };
4106 $i++;
4107 }
4108
4109 undef
4110}
4111
4112sub add_tab {
4113 my ($self, $title, $widget, $tooltip) = @_;
4114
4115 $title = [$title, $tooltip] unless ref $title;
4116 $widget->{c_tab} = $title;
4117
4118 $self->add ($widget);
4119}
4120
4121sub get_current_page {
4122 my ($self) = @_;
4123
4124 $self->{multiplexer}->get_current_page
4125}
4126
4127sub set_current_page {
4128 my ($self, $page) = @_;
4129
4130 $self->{multiplexer}->set_current_page ($page);
4131 $self->emit (page_changed => $self->{multiplexer}{current});
4132}
4133
4134sub _draw {
4135 my ($self) = @_;
4136
4137 $self->SUPER::_draw ();
4138
4139 if (my $cur = $self->{multiplexer}{current}) {
4140 if ($cur = $cur->{c_tab_}) {
4141 glTranslate $self->{buttonbar}{x} + $cur->{x},
4142 $self->{buttonbar}{y} + $cur->{y};
4143 glLineWidth 3;
4144 #glEnable GL_BLEND;
4145 #glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
4146 glColor @{$self->{active_outline}};
4147 glRect_lineloop 1.5, 1.5, $cur->{w} - 1.5, $cur->{h} - 1.5;
4148 glLineWidth 1;
4149 #glDisable GL_BLEND;
4150 }
4151 }
4152}
4153
4154#############################################################################
4155
4156package DC::UI::Selector;
4157
4158use utf8;
4159
4160our @ISA = DC::UI::Button::;
4161
4162sub new {
4163 my $class = shift;
4164
4165 my $self = $class->SUPER::new (
4166 options => [], # [value, title, longdesc], ...
4167 value => undef,
4168 @_,
4169 );
4170
4171 $self->_set_value ($self->{value});
4172
4173 $self
4174}
4175
4176sub invoke_button_down {
4177 my ($self, $ev) = @_;
4178
4179 my @menu_items;
4180
4181 for (@{ $self->{options} }) {
4182 my ($value, $title, $tooltip) = @$_;
4183
4184 push @menu_items, [$tooltip || $title, sub { $self->set_value ($value) }];
4185 }
4186
4187 DC::UI::Menu->new (items => \@menu_items)->popup ($ev);
4188}
4189
4190sub _set_value {
4191 my ($self, $value) = @_;
4192
4193 my ($item) = grep $_->[0] eq $value, @{ $self->{options} };
4194 $item ||= $self->{options}[0]
4195 or return;
4196
4197 $self->{value} = $item->[0];
4198 $self->set_markup ("$item->[1] ⇓");
4199# $self->set_tooltip ($item->[2]);
4200}
4201
4202sub set_value {
4203 my ($self, $value) = @_;
4204
4205 return unless $self->{value} ne $value;
4206
4207 $self->_set_value ($value);
4208 $self->emit (changed => $value);
4209}
4210
4211sub set_options {
4212 my ($self, $options) = @_;
4213
4214 $self->{options} = $options;
4215 $self->_set_value ($self->{value});
4216}
4217
4218#############################################################################
4219
4220package DC::UI::Statusbox;
4221
4222our @ISA = DC::UI::VBox::;
4223
4224sub new {
4225 my $class = shift;
4226
4227 my $self = $class->SUPER::new (
4228 fontsize => 0.8,
4229 @_,
4230 );
4231
4232 DC::weaken (my $this = $self);
4233
4234 $self->{timer} = EV::timer 1, 1, sub { $this->reorder };
4235
4236 $self
4237}
4238
4239sub reorder {
4240 my ($self) = @_;
4241 my $NOW = EV::time;
4242
4243 # freeze display when hovering over any label
4244 return if $DC::UI::TOOLTIP->{owner}
4245 && grep $DC::UI::TOOLTIP->{owner} == $_->{label},
4246 values %{ $self->{item} };
4247
4248 while (my ($k, $v) = each %{ $self->{item} }) {
4249 delete $self->{item}{$k} if $v->{timeout} < $NOW;
4250 }
4251
4252 $self->{timer}->set (1, 1);
4253
4254 my @widgets;
4255
4256 my @items = sort {
4257 $a->{pri} <=> $b->{pri}
4258 or $b->{id} <=> $a->{id}
4259 } values %{ $self->{item} };
4260
4261 my $count = 10 + 1;
4262 for my $item (@items) {
4263 last unless --$count;
4264
4265 my $label = $item->{label} ||= do {
4266 # TODO: doesn't handle markup well (read as: at all)
4267 my $short = $item->{count} > 1
4268 ? "<b>$item->{count} ×</b> $item->{text}"
4269 : $item->{text};
4270
4271 for ($short) {
4272 s/^\s+//;
4273 s/\s+/ /g;
4274 }
4275
4276 new DC::UI::Label
4277 markup => $short,
4278 tooltip => $item->{tooltip},
4279 tooltip_font => $::FONT_PROP,
4280 tooltip_width => 0.67,
4281 fontsize => $item->{fontsize} || $self->{fontsize},
4282 max_w => $::WIDTH * 0.44,
4283 align => 0,
4284 fg => [@{ $item->{fg} }],
4285 can_events => 1,
4286 can_hover => 1
4287 };
4288
4289 if ((my $diff = $item->{timeout} - $NOW) < 2) {
4290 $label->{fg}[3] = ($item->{fg}[3] || 1) * $diff / 2;
4291 $label->update;
4292 $label->set_max_size (undef, $label->{req_h} * $diff)
4293 if $diff < 1;
4294 $self->{timer}->set (1/30, 1/30);
4295 } else {
4296 $label->{fg}[3] = $item->{fg}[3] || 1;
4297 }
4298
4299 push @widgets, $label;
4300 }
4301
4302 my $hash = join ",", @widgets;
4303 return if $hash eq $self->{last_widget_hash};
4304 $self->{last_widget_hash} = $hash;
4305
4306 $self->clear;
4307 $self->SUPER::add (reverse @widgets);
4308}
4309
4310sub add {
4311 my ($self, $text, %arg) = @_;
4312
4313 $text =~ s/^\s+//;
4314 $text =~ s/\s+$//;
4315
4316 return unless $text;
4317
4318 my $timeout = (int time) + ((delete $arg{timeout}) || 60);
4319
4320 my $group = exists $arg{group} ? $arg{group} : ++$self->{id};
4321
4322 if (my $item = $self->{item}{$group}) {
4323 if ($item->{text} eq $text) {
4324 $item->{count}++;
4325 } else {
4326 $item->{count} = 1;
4327 $item->{text} = $item->{tooltip} = $text;
4328 }
4329 $item->{id} += 0.2;#d#
4330 $item->{timeout} = $timeout;
4331 delete $item->{label};
4332 } else {
4333 $self->{item}{$group} = {
4334 id => ++$self->{id},
4335 text => $text,
4336 timeout => $timeout,
4337 tooltip => $text,
4338 fg => [0.8, 0.8, 0.8, 0.8],
4339 pri => 0,
4340 count => 1,
4341 %arg,
4342 };
4343 }
4344
4345 $ROOT->on_refresh (reorder => sub {
4346 $self->reorder;
4347 });
4348}
4349
4350sub reconfigure {
4351 my ($self) = @_;
4352
4353 delete $_->{label}
4354 for values %{ $self->{item} || {} };
4355
4356 $self->reorder;
4357 $self->SUPER::reconfigure;
4358}
4359
4360sub destroy {
4361 my ($self) = @_;
4362
4363 $self->{timer}->cancel;
4364
4365 $self->SUPER::destroy;
4366}
4367
4368#############################################################################
4369
4370package DC::UI::Root;
4371
4372our @ISA = DC::UI::Container::;
4373
4374use List::Util qw(min max);
4375
4376use DC::OpenGL;
4377
4378sub new {
4379 my $class = shift;
4380
4381 my $self = $class->SUPER::new (
4382 visible => 1,
4383 @_,
4384 );
4385
4386 DC::weaken ($self->{root} = $self);
4387
4388 $self
4389}
4390
4391sub size_request {
4392 my ($self) = @_;
4393
4394 ($self->{w}, $self->{h})
4395}
4396
4397sub _to_pixel {
4398 my ($coord, $size, $max) = @_;
4399
4400 $coord =
4401 $coord eq "center" ? ($max - $size) * 0.5
4402 : $coord eq "max" ? $max
4403 : $coord;
4404
4405 $coord = 0 if $coord < 0;
4406 $coord = $max - $size if $coord > $max - $size;
4407
4408 int $coord + 0.5
4409}
4410
4411sub invoke_size_allocate {
4412 my ($self, $w, $h) = @_;
4413
4414 for my $child ($self->children) {
4415 my ($X, $Y, $W, $H) = @$child{qw(x y req_w req_h)};
4416
4417 $X = $child->{force_x} if exists $child->{force_x};
4418 $Y = $child->{force_y} if exists $child->{force_y};
4419
4420 $X = _to_pixel $X, $W, $self->{w};
4421 $Y = _to_pixel $Y, $H, $self->{h};
4422
4423 $child->configure ($X, $Y, $W, $H);
4424 }
4425
4426 1
4427}
4428
4429sub coord2local {
4430 my ($self, $x, $y) = @_;
4431
4432 ($x, $y)
4433}
4434
4435sub coord2global {
4436 my ($self, $x, $y) = @_;
4437
4438 ($x, $y)
4439}
4440
4441sub update {
4442 my ($self) = @_;
4443
4444 $::WANT_REFRESH = 1;
4445}
4446
4447sub add {
4448 my ($self, @children) = @_;
4449
4450 $_->{is_toplevel} = 1
4451 for @children;
4452
4453 $self->SUPER::add (@children);
4454}
4455
4456sub remove {
4457 my ($self, @children) = @_;
4458
4459 $self->SUPER::remove (@children);
4460
4461 delete $self->{is_toplevel}
4462 for @children;
4463
4464 while (@children) {
4465 my $w = pop @children;
4466 push @children, $w->children;
4467 $w->set_invisible;
4468 }
4469}
4470
4471sub on_refresh {
4472 my ($self, $id, $cb) = @_;
4473
4474 $self->{refresh_hook}{$id} = $cb;
4475}
4476
4477sub on_post_alloc {
4478 my ($self, $id, $cb) = @_;
4479
4480 $self->{post_alloc_hook}{$id} = $cb;
4481}
4482
4483sub draw {
4484 my ($self) = @_;
4485
4486 while ($self->{refresh_hook}) {
4487 $_->()
4488 for values %{delete $self->{refresh_hook}};
4489 }
4490
4491 while ($self->{realloc}) {
4492 my %queue;
4493 my @queue;
4494 my $widget;
4495
4496 outer:
4497 while () {
4498 if (my $realloc = delete $self->{realloc}) {
4499 for $widget (values %$realloc) {
4500 $widget->{visible} or next; # do not resize invisible widgets
4501
4502 $queue{$widget+0}++ and next; # duplicates are common
4503
4504 push @{ $queue[$widget->{visible}] }, $widget;
4505 }
4506 }
4507
4508 while () {
4509 @queue or last outer;
4510
4511 $widget = pop @{ $queue[-1] || [] }
4512 and last;
4513
4514 pop @queue;
4515 }
4516
4517 delete $queue{$widget+0};
4518
4519 my ($w, $h) = $widget->size_request;
4520
4521 $w += $widget->{padding_x} * 2;
4522 $h += $widget->{padding_y} * 2;
4523
4524 $w = max $widget->{min_w}, $w;
4525 $h = max $widget->{min_h}, $h;
4526
4527 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4528 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4529
4530 $w = $widget->{force_w} if exists $widget->{force_w};
4531 $h = $widget->{force_h} if exists $widget->{force_h};
4532
4533 if ($widget->{req_w} != $w || $widget->{req_h} != $h
4534 || delete $widget->{force_realloc}) {
4535 $widget->{req_w} = $w;
4536 $widget->{req_h} = $h;
4537
4538 $self->{size_alloc}{$widget+0} = $widget;
4539
4540 if (my $parent = $widget->{parent}) {
4541 $self->{realloc}{$parent+0} = $parent
4542 unless $queue{$parent+0};
4543
4544 $parent->{force_size_alloc} = 1;
4545 $self->{size_alloc}{$parent+0} = $parent;
4546 }
4547 }
4548
4549 delete $self->{realloc}{$widget+0};
4550 }
4551
4552 while (my $size_alloc = delete $self->{size_alloc}) {
4553 my @queue = sort { $a->{visible} <=> $b->{visible} }
4554 values %$size_alloc;
4555
4556 while () {
4557 my $widget = pop @queue || last;
4558
4559 my ($w, $h) = @$widget{qw(alloc_w alloc_h)};
4560
4561 $w = max $widget->{min_w}, $w;
4562 $h = max $widget->{min_h}, $h;
4563
4564# $w = min $self->{w} - $widget->{x}, $w if $self->{w};
4565# $h = min $self->{h} - $widget->{y}, $h if $self->{h};
4566
4567 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4568 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4569
4570 $w = int $w + 0.5;
4571 $h = int $h + 0.5;
4572
4573 if ($widget->{w} != $w || $widget->{h} != $h || delete $widget->{force_size_alloc}) {
4574 $widget->{old_w} = $widget->{w};
4575 $widget->{old_h} = $widget->{h};
4576
4577 $widget->{w} = $w;
4578 $widget->{h} = $h;
4579
4580 $widget->emit (size_allocate => $w, $h);
4581 }
4582 }
4583 }
4584 }
4585
4586 while ($self->{post_alloc_hook}) {
4587 $_->()
4588 for values %{delete $self->{post_alloc_hook}};
4589 }
4590
4591 glViewport 0, 0, $::WIDTH, $::HEIGHT;
4592 glClearColor +($::CFG->{fow_intensity}) x 3, 1;
4593 glClear GL_COLOR_BUFFER_BIT;
4594
4595 glMatrixMode GL_PROJECTION;
4596 glLoadIdentity;
4597 glOrtho 0, $::WIDTH, $::HEIGHT, 0, -10000, 10000;
4598 glMatrixMode GL_MODELVIEW;
4599 glLoadIdentity;
4600
4601 {
4602 package DC::UI::Base;
4603
4604 local ($draw_x, $draw_y, $draw_w, $draw_h) =
4605 (0, 0, $self->{w}, $self->{h});
4606
4607 $self->_draw;
4608 }
4609}
4610
4611#############################################################################
4612
4613package DC::UI;
4614
4615$ROOT = new DC::UI::Root;
4616$TOOLTIP = new DC::UI::Tooltip z => 900;
4617
46181

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