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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 1.462 by root, Thu Mar 20 22:28:33 2008 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}) {
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->{root} = $self->{parent}{root};
292 $self->{visible} = $self->{parent}{visible} + 1;
293
294 $self->emit (visibility_change => 1);
295
296 $self->realloc if !exists $self->{req_w};
297
298 $_->set_visible for $self->children;
299}
300
301sub set_invisible {
302 my ($self) = @_;
303
304 return unless $self->{visible};
305
306 $_->set_invisible for $self->children;
307
308 delete $self->{visible};
309 delete $self->{root};
310
311 undef $GRAB if $GRAB == $self;
312 undef $HOVER if $HOVER == $self;
313
314 $DC::UI::TOOLTIP_WATCHER->invoke
315 if $TOOLTIP->{owner} == $self;
316
317 $self->emit ("focus_out");
318 $self->emit (visibility_change => 0);
319}
320
321sub set_visibility {
322 my ($self, $visible) = @_;
323
324 return if $self->{visible} == $visible;
325
326 $visible ? $self->show
327 : $self->hide;
328}
329
330sub toggle_visibility {
331 my ($self) = @_;
332
333 $self->{visible}
334 ? $self->hide
335 : $self->show;
336}
337
338sub hide {
339 my ($self) = @_;
340
341 $self->set_invisible;
342
343 # extra $parent copy for 5.8.8+ bug workaround
344 # (otherwise $_[0] in remove gets freed
345 if (my $parent = $self->{parent}) {
346 $parent->remove ($self);
347 }
348}
349
350sub move_abs {
351 my ($self, $x, $y, $z) = @_;
352
353 $self->{x} = List::Util::max 0, List::Util::min $self->{root}{w} - $self->{w}, int $x;
354 $self->{y} = List::Util::max 0, List::Util::min $self->{root}{h} - $self->{h}, int $y;
355 $self->{z} = $z if defined $z;
356
357 $self->update;
358}
359
360sub set_size {
361 my ($self, $w, $h) = @_;
362
363 $self->{force_w} = $w;
364 $self->{force_h} = $h;
365
366 $self->realloc;
367}
368
369# traverse the widget chain up to find the maximum "physical" size constraints
370sub get_max_wh {
371 my ($self) = @_;
372
373 my ($w, $h) = @$self{qw(max_w max_h)};
374
375 if ($w <= 0 || $h <= 0) {
376 my ($mw, $mh) = $self->{parent}
377 ? $self->{parent}->get_max_wh
378 : ($::WIDTH, $::HEIGHT);
379
380 $w = $mw if $w <= 0;
381 $h = $mh if $h <= 0;
382 }
383
384 ($w, $h)
385}
386
387sub size_request {
388 require Carp;
389 Carp::confess "size_request is abstract";
390}
391
392sub baseline_shift {
393 0
394}
395
396sub configure {
397 my ($self, $x, $y, $w, $h) = @_;
398
399 if ($self->{aspect}) {
400 my ($ow, $oh) = ($w, $h);
401
402 $w = List::Util::min $w, DC::ceil $h * $self->{aspect};
403 $h = List::Util::min $h, DC::ceil $w / $self->{aspect};
404
405 # use alignment to adjust x, y
406
407 $x += int 0.5 * ($ow - $w);
408 $y += int 0.5 * ($oh - $h);
409 }
410
411 if ($self->{x} ne $x || $self->{y} ne $y) {
412 $self->{x} = $x;
413 $self->{y} = $y;
414 $self->update;
415 }
416
417 if ($self->{alloc_w} != $w || $self->{alloc_h} != $h) {
418 return unless $self->{visible};
419
420 $self->{alloc_w} = $w;
421 $self->{alloc_h} = $h;
422
423 $self->{root}{size_alloc}{$self+0} = $self;
424 }
425}
426
427sub children {
428 # nop
429}
430
431sub visible_children {
432 $_[0]->children
433}
434
435sub set_max_size {
436 my ($self, $w, $h) = @_;
437
438 $self->{max_w} = int $w if defined $w;
439 $self->{max_h} = int $h if defined $h;
440
441 $self->realloc;
442}
443
444sub set_tooltip {
445 my ($self, $tooltip) = @_;
446
447 $tooltip =~ s/^\s+//;
448 $tooltip =~ s/\s+$//;
449
450 return if $self->{tooltip} eq $tooltip;
451
452 $self->{tooltip} = $tooltip;
453
454 if ($DC::UI::TOOLTIP->{owner} == $self) {
455 delete $DC::UI::TOOLTIP->{owner};
456 $DC::UI::TOOLTIP_WATCHER->invoke;
457 }
458}
459
460# translate global coordinates to local coordinate system
461sub coord2local {
462 my ($self, $x, $y) = @_;
463
464 return (undef, undef) unless $self->{parent};
465
466 $self->{parent}->coord2local ($x - $self->{x}, $y - $self->{y})
467}
468
469# translate local coordinates to global coordinate system
470sub coord2global {
471 my ($self, $x, $y) = @_;
472
473 return (undef, undef) unless $self->{parent};
474
475 $self->{parent}->coord2global ($x + $self->{x}, $y + $self->{y})
476}
477
478sub invoke_focus_in {
479 my ($self) = @_;
480
481 return if $FOCUS == $self;
482 return unless $self->{can_focus};
483
29 $FOCUS = $widget; 484 $FOCUS = $self;
485
486 $self->update;
487
488 0
30} 489}
490
31sub focus_out { 491sub invoke_focus_out {
32 my ($widget) = @_; 492 my ($self) = @_;
493
494 return unless $FOCUS == $self;
495
496 undef $FOCUS;
497
498 $self->update;
499
500 $::MAPWIDGET->grab_focus #d# focus mapwidget if no other widget has focus
501 unless $FOCUS;
502
503 0
33} 504}
34sub key_down { 505
35 my ($widget, $sdlev) = @_; 506sub grab_focus {
507 my ($self) = @_;
508
509 $FOCUS->emit ("focus_out") if $FOCUS;
510 $self->emit ("focus_in");
36} 511}
37sub key_up { 512
38 my ($widget, $sdlev) = @_; 513sub invoke_mouse_motion { 0 }
39} 514sub invoke_button_up { 0 }
515sub invoke_key_down { 0 }
516sub invoke_key_up { 0 }
517sub invoke_mouse_wheel { 0 }
518
40sub button_down { 519sub invoke_button_down {
41 my ($widget, $sdlev) = @_; 520 my ($self, $ev, $x, $y) = @_;
521
522 $self->grab_focus;
523
524 0
42} 525}
43sub button_up { 526
44 my ($widget, $sdlev) = @_; 527sub connect {
528 my ($self, $signal, $cb) = @_;
529
530 push @{ $self->{signal_cb}{$signal} }, $cb;
531
532 defined wantarray and DC::guard {
533 @{ $self->{signal_cb}{$signal} } = grep $_ != $cb,
534 @{ $self->{signal_cb}{$signal} };
535 }
45} 536}
537
538sub disconnect_all {
539 my ($self, $signal) = @_;
540
541 delete $self->{signal_cb}{$signal};
542}
543
544my %has_coords = (
545 button_down => 1,
546 button_up => 1,
547 mouse_motion => 1,
548 mouse_wheel => 1,
549);
550
551sub emit {
552 my ($self, $signal, @args) = @_;
553
554 # I do not really like this solution, but I do not like duplication
555 # and needlessly verbose code, either.
556 my @append
557 = $has_coords{$signal}
558 ? $args[0]->xy ($self)
559 : ();
560
561 #warn +(caller(1))[3] . "emit $signal on $self (parent $self->{parent})\n";#d#
562
563 for my $cb (
564 @{$self->{signal_cb}{$signal} || []}, # before
565 ($self->can ("invoke_$signal") || sub { 1 }), # closure
566 ) {
567 return $cb->($self, @args, @append) || next;
568 }
569
570 # parent
571 $self->{parent} && $self->{parent}->emit ($signal, @args)
572}
573
574#sub find_widget {
575# in .xs
576
577sub set_parent {
578 my ($self, $parent) = @_;
579
580 DC::weaken ($self->{parent} = $parent);
581 $self->set_visible if $parent->{visible};
582}
583
584sub realloc {
585 my ($self) = @_;
586
587 if ($self->{visible}) {
588 return if $self->{root}{realloc}{$self+0};
589
590 $self->{root}{realloc}{$self+0} = $self;
591 $self->{root}->update;
592 } else {
593 delete $self->{req_w};
594 delete $self->{req_h};
595 }
596}
597
598sub update {
599 my ($self) = @_;
600
601 $self->{parent}->update
602 if $self->{parent};
603}
604
605sub reconfigure {
606 my ($self) = @_;
607
608 $self->realloc;
609 $self->update;
610}
611
612# using global variables seems a bit hacky, but passing through all drawing
613# functions seems pointless.
614our ($draw_x, $draw_y, $draw_w, $draw_h); # screen rectangle being drawn
615
46sub draw { 616#sub draw {
617#CFPlus.xs
618
619sub _draw {
47 my ($widget) = @_; 620 my ($self) = @_;
621
622 warn "no draw defined for $self\n";
48} 623}
49sub bbox { 624
625sub DESTROY {
50 my ($widget) = @_; 626 my ($self) = @_;
51}
52 627
53package Client::TextView; 628 return if DC::in_destruct;
629
630 local $@;
631 eval { $self->destroy };
632 warn "exception during widget destruction: $@" if $@ & $@ != /during global destruction/;
633
634 delete $WIDGET{$self+0};
635}
636
637#############################################################################
638
639package DC::UI::DrawBG;
640
641our @ISA = DC::UI::Base::;
642
54use strict; 643use strict;
55our @ISA = qw/Client::Widget/;
56
57use SDL::OpenGL; 644use DC::OpenGL;
58use SDL::OpenGL::Constants;
59 645
60sub add_line { 646sub new {
61 my ($self, $line) = @_; 647 my $class = shift;
62 push @{$self->{lines}}, $line;
63}
64 648
649 $class->SUPER::new (
650 #bg => [0, 0, 0, 0.2],
651 #active_bg => [1, 1, 1, 0.5],
652 @_
653 )
654}
655
65sub draw { 656sub _draw {
657 my ($self) = @_;
658
659 my $color = $FOCUS == $self && $self->{active_bg}
660 ? $self->{active_bg}
661 : $self->{bg};
662
663 if ($color && (@$color < 4 || $color->[3])) {
664 my ($w, $h) = @$self{qw(w h)};
665
666 glEnable GL_BLEND;
667 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
668 glColor_premultiply @$color;
669 glRect 0, 0, $w, $h;
670 glDisable GL_BLEND;
671 }
672}
673
674#############################################################################
675
676package DC::UI::Empty;
677
678our @ISA = DC::UI::Base::;
679
680sub new {
681 my ($class, %arg) = @_;
682 $class->SUPER::new (can_events => 0, %arg);
683}
684
685sub size_request {
686 my ($self) = @_;
687
688 ($self->{w} + 0, $self->{h} + 0)
689}
690
691sub draw { }
692
693#############################################################################
694
695package DC::UI::Container;
696
697our @ISA = DC::UI::Base::;
698
699sub new {
700 my ($class, %arg) = @_;
701
702 my $children = delete $arg{children};
703
704 my $self = $class->SUPER::new (
705 children => [],
706 can_events => 0,
707 %arg,
708 );
709
710 $self->add (@$children)
711 if $children && @$children;
712
713 $self
714}
715
716sub realloc {
717 my ($self) = @_;
718
719 $self->{force_realloc} = 1;
720 $self->{force_size_alloc} = 1;
721 $self->SUPER::realloc;
722}
723
724sub add {
725 my ($self, @widgets) = @_;
726
727 $_->set_parent ($self)
728 for @widgets;
729
730 # TODO: only do this in widgets that need it, e.g. root, fixed
731 use sort 'stable';
732
733 $self->{children} = [
734 sort { $a->{z} <=> $b->{z} }
735 @{$self->{children}}, @widgets
736 ];
737
738 $self->realloc;
739
740 $self->emit (c_add => \@widgets);
741
742 map $_+0, @widgets
743}
744
745sub children {
746 @{ $_[0]{children} }
747}
748
749sub remove {
750 my ($self, @widgets) = @_;
751
752 $self->emit (c_remove => \@widgets);
753
754 for my $child (@widgets) {
755 delete $child->{parent};
756 $child->hide;
757 $self->{children} = [ grep $_ != $child, @{ $self->{children} } ];
758 }
759
760 $self->realloc;
761}
762
763sub clear {
764 my ($self) = @_;
765
766 my $children = $self->{children};
767 $self->{children} = [];
768
769 for (@$children) {
770 delete $_->{parent};
771 $_->hide;
772 }
773
774 $self->realloc;
775}
776
777sub find_widget {
66 my ($self) = @_; 778 my ($self, $x, $y) = @_;
67 779
68} 780 $x -= $self->{x};
781 $y -= $self->{y};
69 782
70package Client::MapWidget; 783 my $res;
71use strict;
72our @ISA = qw/Client::Widget/;
73 784
74use SDL::OpenGL; 785 for (reverse $self->visible_children) {
75use SDL::OpenGL::Constants; 786 $res = $_->find_widget ($x, $y)
787 and return $res;
788 }
76 789
77sub key_down { 790 $self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
78 print "MAPKEYDOWN\n";
79} 791}
80 792
81sub key_up {
82}
83
84sub draw { 793sub _draw {
794 my ($self) = @_;
795
796 $_->draw for $self->visible_children;
797}
798
799#############################################################################
800
801package DC::UI::Bin;
802
803our @ISA = DC::UI::Container::;
804
805sub new {
806 my ($class, %arg) = @_;
807
808 my $child = (delete $arg{child}) || new DC::UI::Empty::;
809
810 $class->SUPER::new (children => [$child], %arg)
811}
812
813sub add {
814 my ($self, $child) = @_;
815
816 $self->clear;
817 $self->SUPER::add ($child);
818}
819
820sub remove {
821 my ($self, $widget) = @_;
822
823 $self->SUPER::remove ($widget);
824
825 $self->{children} = [new DC::UI::Empty]
826 unless @{$self->{children}};
827}
828
829sub child { $_[0]->{children}[0] }
830
831sub size_request {
832 $_[0]{children}[0]->size_request
833}
834
835sub invoke_size_allocate {
836 my ($self, $w, $h) = @_;
837
838 $self->{children}[0]->configure (0, 0, $w, $h);
839
840 1
841}
842
843#############################################################################
844# back-buffered drawing area
845
846package DC::UI::Window;
847
848our @ISA = DC::UI::Bin::;
849
850use DC::OpenGL;
851
852sub new {
853 my ($class, %arg) = @_;
854
855 my $self = $class->SUPER::new (%arg);
856}
857
858sub update {
859 my ($self) = @_;
860
861 $ROOT->on_post_alloc ($self => sub { $self->render_child });
862 $self->SUPER::update;
863}
864
865sub invoke_size_allocate {
866 my ($self, $w, $h) = @_;
867
868 $self->update;
869
870 $self->SUPER::invoke_size_allocate ($w, $h)
871}
872
873sub _render {
874 my ($self) = @_;
875
876 $self->{children}[0]->draw;
877}
878
879sub render_child {
880 my ($self) = @_;
881
882 $self->{texture} = new_from_opengl DC::Texture $self->{w}, $self->{h}, sub {
883 glClearColor 0, 0, 0, 0;
884 glClear GL_COLOR_BUFFER_BIT;
885
886 {
887 package DC::UI::Base;
888
889 local ($draw_x, $draw_y, $draw_w, $draw_h) =
890 (0, 0, $self->{w}, $self->{h});
891
892 $self->_render;
893 }
894 };
895}
896
897sub _draw {
898 my ($self) = @_;
899
900 my $tex = $self->{texture}
901 or return;
902
85 glEnable GL_TEXTURE_2D; 903 glEnable GL_TEXTURE_2D;
904 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
905 glColor 0, 0, 0, 1;
906
907 $tex->draw_quad_alpha_premultiplied (0, 0);
908
909 glDisable GL_TEXTURE_2D;
910}
911
912#############################################################################
913
914package DC::UI::ViewPort;
915
916use List::Util qw(min max);
917
918our @ISA = DC::UI::Window::;
919
920sub new {
921 my $class = shift;
922
923 $class->SUPER::new (
924 scroll_x => 0,
925 scroll_y => 1,
926 @_,
927 )
928}
929
930sub size_request {
931 my ($self) = @_;
932
933 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
934
935 $w = 1 if $self->{scroll_x};
936 $h = 1 if $self->{scroll_y};
937
938 ($w, $h)
939}
940
941sub invoke_size_allocate {
942 my ($self, $w, $h) = @_;
943
944 my $child = $self->child;
945
946 $w = $child->{req_w} if $self->{scroll_x} && $child->{req_w};
947 $h = $child->{req_h} if $self->{scroll_y} && $child->{req_h};
948
949 $self->child->configure (0, 0, $w, $h);
950 $self->update;
951
952 1
953}
954
955sub set_offset {
956 my ($self, $x, $y) = @_;
957
958 my $x = max 0, min $self->child->{w} - $self->{w}, int $x;
959 my $y = max 0, min $self->child->{h} - $self->{h}, int $y;
960
961 if ($x != $self->{view_x} or $y != $self->{view_y}) {
962 $self->{view_x} = $x;
963 $self->{view_y} = $y;
964
965 $self->emit (changed => $x, $y);
966 $self->update;
967 }
968}
969
970sub set_center {
971 my ($self, $x, $y) = @_;
972
973 $self->set_offset ($x - $self->{w} * .5, $y - $self->{h} * .5);
974}
975
976sub make_visible {
977 my ($self, $x, $y, $border) = @_;
978
979 if ( $x < $self->{view_x} + $self->{w} * $border
980 || $x > $self->{view_x} + $self->{w} * (1 - $border)
981 || $y < $self->{view_y} + $self->{h} * $border
982 || $y > $self->{view_y} + $self->{h} * (1 - $border)
983 ) {
984 $self->set_center ($x, $y);
985 }
986}
987
988# hmm, this does not work for topleft of $self... but we should not ask for that
989sub coord2local {
990 my ($self, $x, $y) = @_;
991
992 $self->SUPER::coord2local ($x + $self->{view_x}, $y + $self->{view_y})
993}
994
995sub coord2global {
996 my ($self, $x, $y) = @_;
997
998 $x = List::Util::min $self->{w}, $x - $self->{view_x};
999 $y = List::Util::min $self->{h}, $y - $self->{view_y};
1000
1001 $self->SUPER::coord2global ($x, $y)
1002}
1003
1004sub find_widget {
1005 my ($self, $x, $y) = @_;
1006
1007 if ( $x >= $self->{x} && $x < $self->{x} + $self->{w}
1008 && $y >= $self->{y} && $y < $self->{y} + $self->{h}
1009 ) {
1010 $self->child->find_widget ($x + $self->{view_x}, $y + $self->{view_y})
1011 } else {
1012 $self->DC::UI::Base::find_widget ($x, $y)
1013 }
1014}
1015
1016sub _render {
1017 my ($self) = @_;
1018
1019 local $DC::UI::Base::draw_x = $DC::UI::Base::draw_x - $self->{view_x};
1020 local $DC::UI::Base::draw_y = $DC::UI::Base::draw_y - $self->{view_y};
1021
1022 DC::OpenGL::glTranslate -$self->{view_x}, -$self->{view_y};
1023
1024 $self->SUPER::_render;
1025}
1026
1027#############################################################################
1028
1029package DC::UI::ScrolledWindow;
1030
1031our @ISA = DC::UI::Table::;
1032
1033sub new {
1034 my ($class, %arg) = @_;
1035
1036 my $child = delete $arg{child};
1037
1038 my $self;
1039
1040 my $hslider = new DC::UI::Slider
1041 c_col => 0,
1042 c_row => 1,
1043 vertical => 0,
1044 range => [0, 0, 1, 0.01], # HACK fix
1045 on_changed => sub {
1046 $self->{hpos} = $_[1];
1047 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1048 },
1049 ;
1050
1051 my $vslider = new DC::UI::Slider
1052 c_col => 1,
1053 c_row => 0,
1054 vertical => 1,
1055 range => [0, 0, 1, 0.01], # HACK fix
1056 on_changed => sub {
1057 $self->{vpos} = $_[1];
1058 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1059 },
1060 ;
1061
1062 $self = $class->SUPER::new (
1063 scroll_x => 0,
1064 scroll_y => 1,
1065 can_events => 1,
1066 hslider => $hslider,
1067 vslider => $vslider,
1068 col_expand => [1, 0],
1069 row_expand => [1, 0],
1070 %arg,
1071 );
1072
1073 $self->{vp} = new DC::UI::ViewPort
1074 c_col => 0,
1075 c_row => 0,
1076 expand => 1,
1077 scroll_x => $self->{scroll_x},
1078 scroll_y => $self->{scroll_y},
1079 on_changed => sub {
1080 my ($vp, $x, $y) = @_;
1081
1082 $vp->{parent}{hslider}->set_value ($x);
1083 $vp->{parent}{vslider}->set_value ($y);
1084
1085 0
1086 },
1087 on_size_allocate => sub {
1088 my ($vp, $w, $h) = @_;
1089 $vp->{parent}->update_slider;
1090 0
1091 },
1092 ;
1093
1094 $self->SUPER::add ($self->{vp});
1095
1096 $self->add ($child) if $child;
1097
1098 $self
1099}
1100
1101sub add {
1102 my ($self, $widget) = @_;
1103
1104 $self->{vp}->add ($self->{child} = $widget);
1105}
1106
1107sub set_offset { shift->{vp}->set_offset (@_) }
1108sub set_center { shift->{vp}->set_center (@_) }
1109sub make_visible { shift->{vp}->make_visible (@_) }
1110
1111sub update_slider {
1112 my ($self) = @_;
1113
1114 my $child = ($self->{vp} or return)->child;
1115
1116 if ($self->{scroll_x}) {
1117 my ($w1, $w2) = ($child->{req_w}, $self->{vp}{w});
1118 $self->{hslider}->set_range ([$self->{hslider}{range}[0], 0, $w1, $w2, 1]);
1119
1120 my $visible = $w1 > $w2;
1121 if ($visible != $self->{hslider_visible}) {
1122 $self->{hslider_visible} = $visible;
1123 $visible ? $self->SUPER::add ($self->{hslider})
1124 : $self->SUPER::remove ($self->{hslider});
1125 }
1126 }
1127
1128 if ($self->{scroll_y}) {
1129 my ($h1, $h2) = ($child->{req_h}, $self->{vp}{h});
1130 $self->{vslider}->set_range ([$self->{vslider}{range}[0], 0, $h1, $h2, 1]);
1131
1132 my $visible = $h1 > $h2;
1133 if ($visible != $self->{vslider_visible}) {
1134 $self->{vslider_visible} = $visible;
1135 $visible ? $self->SUPER::add ($self->{vslider})
1136 : $self->SUPER::remove ($self->{vslider});
1137 }
1138 }
1139}
1140
1141sub start_dragging {
1142 my ($self, $ev) = @_;
1143
1144 $self->grab_focus;
1145
1146 my $ox = $self->{vp}{view_x};
1147 my $oy = $self->{vp}{view_y};
1148
1149 $self->{motion} = sub {
1150 my ($ev, $x, $y) = @_;
1151
1152 $ox -= $ev->{xrel};
1153 $oy -= $ev->{yrel};
1154
1155 $self->{vp}->set_offset ($ox, $oy);
1156 };
1157}
1158
1159sub invoke_mouse_wheel {
1160 my ($self, $ev) = @_;
1161
1162 $self->{vslider}->emit (mouse_wheel => $ev) if $self->{vslider_visible};
1163 $self->{hslider}->emit (mouse_wheel => $ev) if $self->{hslider_visible};
1164
1165 1
1166}
1167
1168sub invoke_button_down {
1169 my ($self, $ev, $x, $y) = @_;
1170
1171 if ($ev->{button} == 2) {
1172 $self->start_dragging ($ev);
1173 return 1;
1174 }
1175
1176 0
1177}
1178
1179sub invoke_button_up {
1180 my ($self, $ev, $x, $y) = @_;
1181
1182 if (delete $self->{motion}) {
1183 return 1;
1184 }
1185
1186 0
1187}
1188
1189sub invoke_mouse_motion {
1190 my ($self, $ev, $x, $y) = @_;
1191
1192 if ($self->{motion}) {
1193 $self->{motion}->($ev, $x, $y);
1194 return 1;
1195 }
1196
1197 0
1198}
1199
1200sub invoke_size_allocate {
1201 my ($self, $w, $h) = @_;
1202
1203 $self->update_slider;
1204 $self->SUPER::invoke_size_allocate ($w, $h)
1205}
1206
1207#############################################################################
1208
1209package DC::UI::Frame;
1210
1211our @ISA = DC::UI::Bin::;
1212
1213use DC::OpenGL;
1214
1215sub new {
1216 my $class = shift;
1217
1218 $class->SUPER::new (
1219 bg => undef,
1220 @_,
1221 )
1222}
1223
1224sub _draw {
1225 my ($self) = @_;
1226
1227 if ($self->{bg}) {
1228 my ($w, $h) = @$self{qw(w h)};
1229
1230 glEnable GL_BLEND;
1231 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
1232 glColor_premultiply @{ $self->{bg} };
1233 glRect 0, 0, $w, $h;
1234 glDisable GL_BLEND;
1235 }
1236
1237 $self->SUPER::_draw;
1238}
1239
1240#############################################################################
1241
1242package DC::UI::FancyFrame;
1243
1244our @ISA = DC::UI::Bin::;
1245
1246use DC::OpenGL;
1247
1248sub new {
1249 my ($class, %arg) = @_;
1250
1251 if ((exists $arg{label}) && !ref $arg{label}) {
1252 $arg{label} = new DC::UI::Label
1253 align => 1,
1254 valign => 0.5,
1255 text => $arg{label},
1256 fontsize => ($arg{border} || 0.8) * 0.75;
1257 }
1258
1259 my $self = $class->SUPER::new (
1260 # label => "",
1261 fg => [0.6, 0.3, 0.1],
1262 border => 0.8,
1263 style => 'single',
1264 %arg,
1265 );
1266
1267 $self
1268}
1269
1270sub add {
1271 my ($self, @widgets) = @_;
1272
1273 $self->SUPER::add (@widgets);
1274 $self->DC::UI::Container::add ($self->{label}) if $self->{label};
1275}
1276
1277sub border {
1278 int $_[0]{border} * $::FONTSIZE
1279}
1280
1281sub size_request {
1282 my ($self) = @_;
1283
1284 ($self->{label_w}, undef) = $self->{label}->size_request
1285 if $self->{label};
1286
1287 my ($w, $h) = $self->SUPER::size_request;
1288
1289 (
1290 $w + $self->border * 2,
1291 $h + $self->border * 2,
1292 )
1293}
1294
1295sub invoke_size_allocate {
1296 my ($self, $w, $h) = @_;
1297
1298 my $border = $self->border;
1299
1300 $w -= List::Util::max 0, $border * 2;
1301 $h -= List::Util::max 0, $border * 2;
1302
1303 if (my $label = $self->{label}) {
1304 $label->{w} = List::Util::max 0, List::Util::min $self->{label_w}, $w - $border * 2;
1305 $label->{h} = List::Util::min $h, $border;
1306 $label->invoke_size_allocate ($label->{w}, $label->{h});
1307 }
1308
1309 $self->child->configure ($border, $border, $w, $h);
1310
1311 1
1312}
1313
1314sub _draw {
1315 my ($self) = @_;
1316
1317 my $child = $self->{children}[0];
1318
1319 my $border = $self->border;
1320 my ($w, $h) = ($self->{w}, $self->{h});
1321
1322 $child->draw;
1323
1324 glColor @{$self->{fg}};
1325 glBegin GL_LINE_STRIP;
1326 glVertex $border * 1.5 , $border * 0.5 + 0.5;
1327 glVertex $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1328 glVertex $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1329 glVertex $w - $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1330 glVertex $w - $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1331 glVertex $self->{label} ? $border * 2 + $self->{label}{w} : $border * 1.5, $border * 0.5 + 0.5;
1332 glEnd;
1333
1334 if ($self->{label}) {
1335 glTranslate $border * 2, 0;
1336 $self->{label}->_draw;
1337 }
1338}
1339
1340#############################################################################
1341
1342package DC::UI::Toplevel;
1343
1344our @ISA = DC::UI::Bin::;
1345
1346use DC::OpenGL;
1347
1348my $bg =
1349 new_from_file DC::Texture DC::find_rcfile "d1_bg.png",
1350 mipmap => 1, wrap => 1;
1351
1352my @border =
1353 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
1354 qw(d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
1355
1356my @icon =
1357 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
1358 qw(x1_move.png x1_resize.png);
1359
1360sub new {
1361 my ($class, %arg) = @_;
1362
1363 my $self = $class->SUPER::new (
1364 bg => [1, 1, 1, 1],
1365 border_bg => [1, 1, 1, 1],
1366 border => 0.6,
1367 can_events => 1,
1368 min_w => 64,
1369 min_h => 32,
1370 %arg,
1371 );
1372
1373 $self->{title_widget} = new DC::UI::Label
1374 align => 0.5,
1375 valign => 1,
1376 text => $self->{title},
1377 fontsize => $self->{border},
1378 if exists $self->{title};
1379
1380 if ($self->{has_close_button}) {
1381 $self->{close_button} =
1382 new DC::UI::ImageButton
1383 path => 'x1_close.png',
1384 on_activate => sub { $self->emit ("delete") };
1385
1386 $self->DC::UI::Container::add ($self->{close_button});
1387 }
1388
1389 $self
1390}
1391
1392sub add {
1393 my ($self, @widgets) = @_;
1394
1395 $self->SUPER::add (@widgets);
1396 $self->DC::UI::Container::add ($self->{close_button}) if $self->{close_button};
1397 $self->DC::UI::Container::add ($self->{title_widget}) if $self->{title_widget};
1398}
1399
1400sub border {
1401 int $_[0]{border} * $::FONTSIZE
1402}
1403
1404sub get_max_wh {
1405 my ($self) = @_;
1406
1407 return ($self->{w}, $self->{h})
1408 if $self->{visible} && $self->{w};
1409
1410 $self->SUPER::get_max_wh
1411}
1412
1413sub size_request {
1414 my ($self) = @_;
1415
1416 $self->{title_widget}->size_request
1417 if $self->{title_widget};
1418
1419 $self->{close_button}->size_request
1420 if $self->{close_button};
1421
1422 my ($w, $h) = $self->SUPER::size_request;
1423
1424 (
1425 $w + $self->border * 2,
1426 $h + $self->border * 2,
1427 )
1428}
1429
1430sub invoke_size_allocate {
1431 my ($self, $w, $h) = @_;
1432
1433 if ($self->{title_widget}) {
1434 $self->{title_widget}{w} = $w;
1435 $self->{title_widget}{h} = $h;
1436 $self->{title_widget}->invoke_size_allocate ($w, $h);
1437 }
1438
1439 my $border = $self->border;
1440
1441 $h -= List::Util::max 0, $border * 2;
1442 $w -= List::Util::max 0, $border * 2;
1443
1444 $self->child->configure ($border, $border, $w, $h);
1445
1446 $self->{close_button}->configure ($self->{w} - $border, 0, $border, $border)
1447 if $self->{close_button};
1448
1449 1
1450}
1451
1452sub invoke_delete {
1453 my ($self) = @_;
1454
1455 $self->hide;
1456
1457 1
1458}
1459
1460sub invoke_button_down {
1461 my ($self, $ev, $x, $y) = @_;
1462
1463 my ($w, $h) = @$self{qw(w h)};
1464 my $border = $self->border;
1465
1466 my $lr = ($x >= 0 && $x < $border) || ($x > $w - $border && $x < $w);
1467 my $td = ($y >= 0 && $y < $border) || ($y > $h - $border && $y < $h);
1468
1469 if ($lr & $td) {
1470 my ($wx, $wy) = ($self->{x}, $self->{y});
1471 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1472 my ($bw, $bh) = ($self->{w}, $self->{h});
1473
1474 my $mx = $x < $border;
1475 my $my = $y < $border;
1476
1477 $self->{motion} = sub {
1478 my ($ev, $x, $y) = @_;
1479
1480 my $dx = $ev->{x} - $ox;
1481 my $dy = $ev->{y} - $oy;
1482
1483 $self->{force_w} = $bw + $dx * ($mx ? -1 : 1);
1484 $self->{force_h} = $bh + $dy * ($my ? -1 : 1);
1485
1486 $self->move_abs ($wx + $dx * $mx, $wy + $dy * $my);
1487 $self->realloc;
1488 };
1489
1490 } elsif ($lr ^ $td) {
1491 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1492 my ($bx, $by) = ($self->{x}, $self->{y});
1493
1494 $self->{motion} = sub {
1495 my ($ev, $x, $y) = @_;
1496
1497 ($x, $y) = ($ev->{x}, $ev->{y});
1498
1499 $self->move_abs ($bx + $x - $ox, $by + $y - $oy);
1500 # HACK: the next line is required to enforce placement
1501 $self->{parent}->invoke_size_allocate ($self->{parent}{w}, $self->{parent}{h});
1502 };
1503 } else {
1504 return 0;
1505 }
1506
1507 1
1508}
1509
1510sub invoke_button_up {
1511 my ($self, $ev, $x, $y) = @_;
1512
1513 ! ! delete $self->{motion}
1514}
1515
1516sub invoke_mouse_motion {
1517 my ($self, $ev, $x, $y) = @_;
1518
1519 $self->{motion}->($ev, $x, $y) if $self->{motion};
1520
1521 ! ! $self->{motion}
1522}
1523
1524sub invoke_visibility_change {
1525 my ($self, $visible) = @_;
1526
1527 delete $self->{motion} unless $visible;
1528
1529 0
1530}
1531
1532sub _draw {
1533 my ($self) = @_;
1534
1535 my $child = $self->{children}[0];
1536
1537 my ($w, $h ) = ($self->{w}, $self->{h});
1538 my ($cw, $ch) = ($child->{w}, $child->{h});
1539
1540 glEnable GL_TEXTURE_2D;
1541 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
1542
1543 my $border = $self->border;
1544
1545 glColor @{ $self->{border_bg} };
1546 $border[0]->draw_quad_alpha ( 0, 0, $w, $border);
1547 $border[1]->draw_quad_alpha ( 0, $border, $border, $ch);
1548 $border[2]->draw_quad_alpha ($w - $border, $border, $border, $ch);
1549 $border[3]->draw_quad_alpha ( 0, $h - $border, $w, $border);
1550
1551 # move
1552 my $w2 = ($w - $border) * .5;
1553 my $h2 = ($h - $border) * .5;
1554 $icon[0]->draw_quad_alpha ( 0, $h2, $border, $border);
1555 $icon[0]->draw_quad_alpha ($w - $border, $h2, $border, $border);
1556 $icon[0]->draw_quad_alpha ($w2 , $h - $border, $border, $border);
1557
1558 # resize
1559 $icon[1]->draw_quad_alpha ( 0, 0, $border, $border);
1560 $icon[1]->draw_quad_alpha ($w - $border, 0, $border, $border)
1561 unless $self->{has_close_button};
1562 $icon[1]->draw_quad_alpha ( 0, $h - $border, $border, $border);
1563 $icon[1]->draw_quad_alpha ($w - $border, $h - $border, $border, $border);
1564
1565 if (@{$self->{bg}} < 4 || $self->{bg}[3]) {
1566 glColor @{ $self->{bg} };
1567
1568 # TODO: repeat texture not scale
1569 # solve this better(?)
1570 $bg->{s} = $cw / $bg->{w};
1571 $bg->{t} = $ch / $bg->{h};
1572 $bg->draw_quad_alpha ($border, $border, $cw, $ch);
1573 }
1574
1575 glDisable GL_TEXTURE_2D;
1576
1577 $child->draw;
1578
1579 if ($self->{title_widget}) {
1580 glTranslate 0, $border - $self->{h};
1581 $self->{title_widget}->_draw;
1582
1583 glTranslate 0, - ($border - $self->{h});
1584 }
1585
1586 $self->{close_button}->draw
1587 if $self->{close_button};
1588}
1589
1590#############################################################################
1591
1592package DC::UI::Table;
1593
1594our @ISA = DC::UI::Container::;
1595
1596use List::Util qw(max sum);
1597
1598use DC::OpenGL;
1599
1600sub new {
1601 my $class = shift;
1602
1603 $class->SUPER::new (
1604 col_expand => [],
1605 row_expand => [],
1606 @_,
1607 )
1608}
1609
1610sub add {
1611 my ($self, @widgets) = @_;
1612
1613 for my $child (@widgets) {
1614 $child->{c_rowspan} ||= 1;
1615 $child->{c_colspan} ||= 1;
1616 }
1617
1618 $self->SUPER::add (@widgets);
1619}
1620
1621sub add_at {
1622 my $self = shift;
1623
1624 my @widgets;
1625
1626 while (@_) {
1627 my ($col, $row, $child) = splice @_, 0, 3, ();
1628
1629 $child->{c_row} = $row;
1630 $child->{c_col} = $col;
1631
1632 push @widgets, $child;
1633 }
1634
1635 $self->add (@widgets);
1636}
1637
1638sub get_wh {
1639 my ($self) = @_;
1640
1641 my (@w, @h);
1642
1643 my @children = $self->children;
1644
1645 # first pass, columns
1646 for my $widget (sort { $a->{c_colspan} <=> $b->{c_colspan} } @children) {
1647 my ($c, $w, $cs) = @$widget{qw(c_col req_w c_colspan)};
1648
1649 my $sw = sum @w[$c .. $c + $cs - 1];
1650
1651 if ($w > $sw) {
1652 $_ += ($w - $sw) / ($_ ? $sw / $_ : $cs) for @w[$c .. $c + $cs - 1];
1653 }
1654 }
1655
1656 # second pass, rows
1657 for my $widget (sort { $a->{c_rowspan} <=> $b->{c_rowspan} } @children) {
1658 my ($r, $h, $rs) = @$widget{qw(c_row req_h c_rowspan)};
1659
1660 my $sh = sum @h[$r .. $r + $rs - 1];
1661
1662 if ($h > $sh) {
1663 $_ += ($h - $sh) / ($_ ? $sh / $_ : $rs) for @h[$r .. $r + $rs - 1];
1664 }
1665 }
1666
1667 (\@w, \@h)
1668}
1669
1670sub size_request {
1671 my ($self) = @_;
1672
1673 my ($ws, $hs) = $self->get_wh;
1674
1675 (
1676 (sum @$ws),
1677 (sum @$hs),
1678 )
1679}
1680
1681sub invoke_size_allocate {
1682 my ($self, $w, $h) = @_;
1683
1684 my ($ws, $hs) = $self->get_wh;
1685
1686 my $req_w = (sum @$ws) || 1;
1687 my $req_h = (sum @$hs) || 1;
1688
1689 # now linearly scale the rows/columns to the allocated size
1690 my @col_expand = @{$self->{col_expand}};
1691 @col_expand = (1) x @$ws unless @col_expand;
1692 my $col_expand = (sum @col_expand) || 1;
1693
1694 $ws->[$_] += $col_expand[$_] / $col_expand * ($w - $req_w) for 0 .. $#$ws;
1695
1696 DC::UI::harmonize $ws;
1697
1698 my @row_expand = @{$self->{row_expand}};
1699 @row_expand = (1) x @$ws unless @row_expand;
1700 my $row_expand = (sum @row_expand) || 1;
1701
1702 $hs->[$_] += $row_expand[$_] / $row_expand * ($h - $req_h) for 0 .. $#$hs;
1703
1704 DC::UI::harmonize $hs;
1705
1706 my @x; for (0 .. $#$ws) { $x[$_ + 1] = $x[$_] + $ws->[$_] }
1707 my @y; for (0 .. $#$hs) { $y[$_ + 1] = $y[$_] + $hs->[$_] }
1708
1709 for my $widget ($self->children) {
1710 my ($r, $c, $w, $h, $rs, $cs) = @$widget{qw(c_row c_col req_w req_h c_rowspan c_colspan)};
1711
1712 $widget->configure (
1713 $x[$c], $y[$r],
1714 $x[$c + $cs] - $x[$c], $y[$r + $rs] - $y[$r],
1715 );
1716 }
1717
1718 1
1719}
1720
1721#############################################################################
1722
1723package DC::UI::Fixed;
1724
1725use List::Util qw(min max);
1726
1727our @ISA = DC::UI::Container::;
1728
1729sub _scale($$$) {
1730 my ($rel, $val, $max) = @_;
1731
1732 $rel ? $val * $max : $val
1733}
1734
1735sub size_request {
1736 my ($self) = @_;
1737
1738 my ($x1, $y1, $x2, $y2) = (0, 0, 0, 0);
1739
1740 # determine overall size by querying abs widgets
1741 for my $child ($self->visible_children) {
1742 unless ($child->{c_rel}) {
1743 my $x = $child->{c_x};
1744 my $y = $child->{c_y};
1745
1746 $x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
1747 $y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
1748 }
1749 }
1750
1751 my $W = $x2 - $x1;
1752 my $H = $y2 - $y1;
1753
1754 # now layout remaining widgets
1755 for my $child ($self->visible_children) {
1756 if ($child->{c_rel}) {
1757 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1758 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1759
1760 $x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
1761 $y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
1762 }
1763 }
1764
1765 my $W = $x2 - $x1;
1766 my $H = $y2 - $y1;
1767
1768 ($W, $H)
1769}
1770
1771sub invoke_size_allocate {
1772 my ($self, $W, $H) = @_;
1773
1774 for my $child ($self->visible_children) {
1775 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1776 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1777
1778 $x += $child->{c_halign} * $child->{req_w};
1779 $y += $child->{c_valign} * $child->{req_h};
1780
1781 $child->configure (int $x, int $y, $child->{req_w}, $child->{req_h});
1782 }
1783
1784 1
1785}
1786
1787#############################################################################
1788
1789package DC::UI::Box;
1790
1791our @ISA = DC::UI::Container::;
1792
1793sub size_request {
1794 my ($self) = @_;
1795
1796 my @children = $self->visible_children;
1797
1798 $self->{vertical}
1799 ? (
1800 (List::Util::max map $_->{req_w}, @children),
1801 (List::Util::sum map $_->{req_h}, @children),
1802 )
1803 : (
1804 (List::Util::sum map $_->{req_w}, @children),
1805 (List::Util::max map $_->{req_h}, @children),
1806 )
1807}
1808
1809sub invoke_size_allocate {
1810 my ($self, $w, $h) = @_;
1811
1812 my $space = $self->{vertical} ? $h : $w;
1813 my @children = $self->visible_children;
1814
1815 my @req;
1816
1817 if ($self->{homogeneous}) {
1818 @req = ($space / (@children || 1)) x @children;
1819 } else {
1820 @req = map $_->{$self->{vertical} ? "req_h" : "req_w"}, @children;
1821 my $req = List::Util::sum @req;
1822
1823 if ($req > $space) {
1824 # ah well, not enough space
1825 $_ *= $space / $req for @req;
1826 } else {
1827 my $expand = (List::Util::sum map $_->{expand}, @children) || 1;
1828
1829 $space = ($space - $req) / $expand; # remaining space to give away
1830
1831 $req[$_] += $space * $children[$_]{expand}
1832 for 0 .. $#children;
1833 }
1834 }
1835
1836 DC::UI::harmonize \@req;
1837
1838 my $pos = 0;
1839 for (0 .. $#children) {
1840 my $alloc = $req[$_];
1841 $children[$_]->configure ($self->{vertical} ? (0, $pos, $w, $alloc) : ($pos, 0, $alloc, $h));
1842
1843 $pos += $alloc;
1844 }
1845
1846 1
1847}
1848
1849#############################################################################
1850
1851package DC::UI::HBox;
1852
1853our @ISA = DC::UI::Box::;
1854
1855sub new {
1856 my $class = shift;
1857
1858 $class->SUPER::new (
1859 vertical => 0,
1860 @_,
1861 )
1862}
1863
1864#############################################################################
1865
1866package DC::UI::VBox;
1867
1868our @ISA = DC::UI::Box::;
1869
1870sub new {
1871 my $class = shift;
1872
1873 $class->SUPER::new (
1874 vertical => 1,
1875 @_,
1876 )
1877}
1878
1879#############################################################################
1880
1881package DC::UI::Label;
1882
1883our @ISA = DC::UI::DrawBG::;
1884
1885use DC::OpenGL;
1886
1887sub new {
1888 my ($class, %arg) = @_;
1889
1890 my $self = $class->SUPER::new (
1891 fg => [1, 1, 1],
1892 #bg => none
1893 #active_bg => none
1894 #font => default_font
1895 #text => initial text
1896 #markup => initial narkup
1897 #max_w => maximum pixel width
1898 #style => 0, # render flags
1899 ellipsise => 3, # end
1900 layout => (new DC::Layout),
1901 fontsize => 1,
1902 align => 0.5,
1903 valign => 0.5,
1904 padding_x => 4,
1905 padding_y => 2,
1906 can_events => 0,
1907 %arg
1908 );
1909
1910 if (exists $self->{template}) {
1911 my $layout = new DC::Layout;
1912 $layout->set_text (delete $self->{template});
1913 $self->{template} = $layout;
1914 }
1915
1916 if (exists $self->{markup}) {
1917 $self->set_markup (delete $self->{markup});
1918 } else {
1919 $self->set_text (delete $self->{text});
1920 }
1921
1922 $self
1923}
1924
1925sub update {
1926 my ($self) = @_;
1927
1928 delete $self->{texture};
1929 $self->SUPER::update;
1930}
1931
1932sub realloc {
1933 my ($self) = @_;
1934
1935 delete $self->{ox};
1936 $self->SUPER::realloc;
1937}
1938
1939sub clear {
1940 my ($self) = @_;
1941
1942 $self->set_text ("");
1943}
1944
1945sub set_text {
1946 my ($self, $text) = @_;
1947
1948 return if $self->{text} eq "T$text";
1949 $self->{text} = "T$text";
1950
1951 $self->{layout}->set_text ($text);
1952
1953 delete $self->{size_req};
1954 $self->realloc;
1955 $self->update;
1956}
1957
1958sub set_markup {
1959 my ($self, $markup) = @_;
1960
1961 return if $self->{text} eq "M$markup";
1962 $self->{text} = "M$markup";
1963
1964 my $rgba = $markup =~ /span.*(?:foreground|background)/;
1965
1966 $self->{layout}->set_markup ($markup);
1967
1968 delete $self->{size_req};
1969 $self->realloc;
1970 $self->update;
1971}
1972
1973sub size_request {
1974 my ($self) = @_;
1975
1976 $self->{size_req} ||= do {
1977 my ($max_w, $max_h) = $self->get_max_wh;
1978
1979 $self->{layout}->set_font ($self->{font}) if $self->{font};
1980 $self->{layout}->set_width ($max_w);
1981 $self->{layout}->set_ellipsise ($self->{ellipsise});
1982 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
1983 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
1984
1985 my ($w, $h) = $self->{layout}->size;
1986
1987 if (exists $self->{template}) {
1988 $self->{template}->set_font ($self->{font}) if $self->{font};
1989 $self->{template}->set_width ($max_w);
1990 $self->{template}->set_height ($self->{fontsize} * $::FONTSIZE);
1991
1992 my ($w2, $h2) = $self->{template}->size;
1993
1994 $w = List::Util::max $w, $w2;
1995 $h = List::Util::max $h, $h2;
1996 }
1997
1998 [$w, $h]
1999 };
2000
2001 @{ $self->{size_req} }
2002}
2003
2004sub baseline_shift {
2005 $_[0]{layout}->descent
2006}
2007
2008sub invoke_size_allocate {
2009 my ($self, $w, $h) = @_;
2010
2011 delete $self->{ox};
2012
2013 delete $self->{texture}
2014 unless $w >= $self->{req_w} && $self->{old_w} >= $self->{req_w};
2015
2016 1
2017}
2018
2019sub set_fontsize {
2020 my ($self, $fontsize) = @_;
2021
2022 $self->{fontsize} = $fontsize;
2023 delete $self->{size_req};
2024 delete $self->{texture};
2025
2026 $self->realloc;
2027}
2028
2029sub reconfigure {
2030 my ($self) = @_;
2031
2032 delete $self->{size_req};
2033 delete $self->{texture};
2034
2035 $self->SUPER::reconfigure;
2036}
2037
2038sub _draw {
2039 my ($self) = @_;
2040
2041 $self->SUPER::_draw; # draw background, if applicable
2042
2043 my $size = $self->{texture} ||= do {
2044 $self->{layout}->set_foreground (@{$self->{fg}});
2045 $self->{layout}->set_font ($self->{font}) if $self->{font};
2046 $self->{layout}->set_width ($self->{w});
2047 $self->{layout}->set_ellipsise ($self->{ellipsise});
2048 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
2049 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
2050
2051 [$self->{layout}->size]
2052 };
2053
2054 unless (exists $self->{ox}) {
2055 $self->{ox} = $self->{padding_x} + int $self->{align} * ($self->{w} - $size->[0] - $self->{padding_x} * 2);
2056 $self->{oy} = $self->{padding_y} + int $self->{valign} * ($self->{h} - $size->[1] - $self->{padding_y} * 2);
2057
2058 $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2059 };
2060
2061# unless ($self->{list}) {
2062# $self->{list} = DC::OpenGL::glGenList;
2063# DC::OpenGL::glNewList $self->{list};
2064# $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2065# DC::OpenGL::glEndList;
2066# }
2067#
2068# DC::OpenGL::glCallList $self->{list};
2069
2070 $self->{layout}->draw;
2071}
2072
2073#sub destroy {
2074# my ($self) = @_;
2075#
2076# DC::OpenGL::glDeleteList delete $self->{list} if $self->{list};
2077#
2078# $self->SUPER::destroy;
2079#}
2080
2081#############################################################################
2082
2083package DC::UI::EntryBase;
2084
2085our @ISA = DC::UI::Label::;
2086
2087use DC::OpenGL;
2088
2089sub new {
2090 my $class = shift;
2091
2092 $class->SUPER::new (
2093 fg => [1, 1, 1],
2094 bg => [0, 0, 0, 0.2],
2095 outline => [0.6, 0.3, 0.1],
2096 active_bg => [0, 0, 1, .2],
2097 active_fg => [1, 1, 1],
2098 active_outline => [1, 1, 0],
2099 can_hover => 1,
2100 can_focus => 1,
2101 align => 0,
2102 valign => 0.5,
2103 can_events => 1,
2104 ellipsise => 0,
2105 padding_x => 4,
2106 padding_y => 2,
2107 #text => ...
2108 #hidden => "*",
2109 @_
2110 )
2111}
2112
2113sub _set_text {
2114 my ($self, $text) = @_;
2115
2116 delete $self->{cur_h};
2117
2118 return if $self->{text} eq $text;
2119
2120 $self->{last_activity} = $::NOW;
2121 $self->{text} = $text;
2122
2123 $text =~ s/./*/g if $self->{hidden};
2124 $self->{layout}->set_text ("$text ");
2125 delete $self->{size_req};
2126
2127 $self->emit (changed => $self->{text});
2128
2129 $self->realloc;
2130 $self->update;
2131}
2132
2133sub set_text {
2134 my ($self, $text) = @_;
2135
2136 $self->{cursor} = length $text;
2137 $self->_set_text ($text);
2138}
2139
2140sub get_text {
2141 $_[0]{text}
2142}
2143
2144sub size_request {
2145 my ($self) = @_;
2146
2147 my ($w, $h) = $self->SUPER::size_request;
2148
2149 ($w + 1, $h) # add 1 for cursor
2150}
2151
2152sub invoke_key_down {
2153 my ($self, $ev) = @_;
2154
2155 my $mod = $ev->{mod};
2156 my $sym = $ev->{sym};
2157 my $uni = $ev->{unicode};
2158
2159 my $text = $self->get_text;
2160
2161 $self->{cursor} = List::Util::max 0, List::Util::min $self->{cursor}, length $text;
2162
2163 if ($uni == 8) {
2164 substr $text, --$self->{cursor}, 1, "" if $self->{cursor};
2165 } elsif ($uni == 127) {
2166 substr $text, $self->{cursor}, 1, "";
2167 } elsif ($sym == DC::SDLK_LEFT) {
2168 --$self->{cursor} if $self->{cursor};
2169 } elsif ($sym == DC::SDLK_RIGHT) {
2170 ++$self->{cursor} if $self->{cursor} < length $self->{text};
2171 } elsif ($sym == DC::SDLK_HOME) {
2172 # what a hack
2173 $self->{cursor} =
2174 (substr $self->{text}, 0, $self->{cursor}) =~ /^(.*\012)/
2175 ? length $1
2176 : 0;
2177 } elsif ($sym == DC::SDLK_END) {
2178 # uh, again
2179 $self->{cursor} =
2180 (substr $self->{text}, $self->{cursor}) =~ /^([^\012]*)\012/
2181 ? $self->{cursor} + length $1
2182 : length $self->{text};
2183 } elsif ($uni == 21) { # ctrl-u
2184 $text = "";
2185 $self->{cursor} = 0;
2186 } elsif ($uni == 27) {
2187 $self->emit ('escape');
2188 } elsif ($uni == 0x0d) {
2189 substr $text, $self->{cursor}++, 0, "\012";
2190 } elsif ($uni >= 0x20) {
2191 substr $text, $self->{cursor}++, 0, chr $uni;
2192 } else {
2193 return 0;
2194 }
2195
2196 $self->_set_text ($text);
2197
2198 $self->realloc;
2199 $self->update;
2200
2201 1
2202}
2203
2204sub invoke_focus_in {
2205 my ($self) = @_;
2206
2207 $self->{last_activity} = $::NOW;
2208
2209 $self->SUPER::invoke_focus_in
2210}
2211
2212sub invoke_button_down {
2213 my ($self, $ev, $x, $y) = @_;
2214
2215 $self->SUPER::invoke_button_down ($ev, $x, $y);
2216
2217 my $idx = $self->{layout}->xy_to_index ($x, $y);
2218
2219 # byte-index to char-index
2220 my $text = $self->{text};
2221 utf8::encode $text; $text = substr $text, 0, $idx; utf8::decode $text;
2222 $self->{cursor} = length $text;
2223
2224 $self->_set_text ($self->{text});
2225 $self->update;
2226
2227 1
2228}
2229
2230sub invoke_mouse_motion {
2231 my ($self, $ev, $x, $y) = @_;
2232# printf "M %d,%d %d,%d\n", $ev->motion_x, $ev->motion_y, $x, $y;#d#
2233
2234 1
2235}
2236
2237sub _draw {
2238 my ($self) = @_;
2239
2240 local $self->{fg} = $self->{fg};
2241
2242 if ($FOCUS == $self) {
2243 glColor_premultiply @{$self->{active_bg}};
2244 $self->{fg} = $self->{active_fg};
2245 } else {
2246 glColor_premultiply @{$self->{bg}};
2247 }
2248
86 glEnable GL_BLEND; 2249 glEnable GL_BLEND;
2250 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2251 glRect 0, 0, $self->{w}, $self->{h};
2252 glDisable GL_BLEND;
87 2253
88 my $map = $::CONN->{map}; 2254 $self->SUPER::_draw;
89 2255
90 for my $x (0 .. $::CONN->{mapw} - 1) { 2256 #TODO: force update every cursor change :(
91 for my $y (0 .. $::CONN->{maph} - 1) { 2257 if ($FOCUS == $self && (($::NOW - $self->{last_activity}) & 1023) < 600) {
92 2258
93 my $cell = $map->[$x][$y] 2259 unless (exists $self->{cur_h}) {
94 or next; 2260 my $text = substr $self->{text}, 0, $self->{cursor};
2261 utf8::encode $text;
95 2262
96 my $darkness = $cell->[3] * (1 / 255); 2263 @$self{qw(cur_x cur_y cur_h)} = $self->{layout}->cursor_pos (length $text);
97 glColor $darkness, $darkness, $darkness; 2264 }
98 2265
99 for my $num (grep $_, $cell->[0], $cell->[1], $cell->[2]) { 2266 glColor_premultiply @{$self->{active_fg}};
100 my $tex = $::CONN->{face}[$num]{texture} || 0; 2267 glBegin GL_LINES;
101 2268 glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy};
102 glBindTexture GL_TEXTURE_2D, $tex; 2269 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, $y;
109 glEnd; 2270 glEnd;
2271
2272 glLineWidth 3;
2273 glColor @{$self->{active_outline}};
2274 glRect_lineloop 1.5, 1.5, $self->{w} - 1.5, $self->{h} - 1.5;
2275 glLineWidth 1;
2276
2277 } else {
2278 glColor @{$self->{outline}};
2279 glBegin GL_LINE_STRIP;
2280 glVertex .5, $self->{h} * .5;
2281 glVertex .5, $self->{h} - 2.5;
2282 glVertex $self->{w} - .5, $self->{h} - 2.5;
2283 glVertex $self->{w} - .5, $self->{h} * .5;
2284 glEnd;
2285 }
2286}
2287
2288#############################################################################
2289
2290package DC::UI::Entry;
2291
2292our @ISA = DC::UI::EntryBase::;
2293
2294use DC::OpenGL;
2295
2296sub new {
2297 my $class = shift;
2298
2299 $class->SUPER::new (
2300 history_pointer => -1,
2301 @_
2302 )
2303}
2304
2305
2306sub invoke_key_down {
2307 my ($self, $ev) = @_;
2308
2309 my $sym = $ev->{sym};
2310
2311 if ($ev->{uni} == 0x0d || $sym == 13) {
2312 unshift @{$self->{history}},
2313 my $txt = $self->get_text;
2314
2315 $self->{history_pointer} = -1;
2316 $self->{history_saveback} = '';
2317 $self->emit (activate => $txt);
2318 $self->update;
2319
2320 } elsif ($sym == DC::SDLK_UP) {
2321 if ($self->{history_pointer} < 0) {
2322 $self->{history_saveback} = $self->get_text;
2323 }
2324 if (@{$self->{history} || []} > 0) {
2325 $self->{history_pointer}++;
2326 if ($self->{history_pointer} >= @{$self->{history} || []}) {
2327 $self->{history_pointer} = @{$self->{history} || []} - 1;
2328 }
2329 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2330 }
2331
2332 } elsif ($sym == DC::SDLK_DOWN) {
2333 $self->{history_pointer}--;
2334 $self->{history_pointer} = -1 if $self->{history_pointer} < 0;
2335
2336 if ($self->{history_pointer} >= 0) {
2337 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2338 } else {
2339 if (defined $self->{history_saveback}) {
2340 $self->set_text ($self->{history_saveback});
2341 $self->{history_saveback} = undef;
110 } 2342 }
111 } 2343 }
2344
2345 } else {
2346 return $self->SUPER::invoke_key_down ($ev)
2347 }
2348
112 } 2349 1
2350}
2351
2352#############################################################################
2353
2354package DC::UI::TextEdit;
2355
2356our @ISA = DC::UI::EntryBase::;
2357
2358use DC::OpenGL;
2359
2360sub new {
2361 my $class = shift;
2362
2363 $class->SUPER::new (
2364 padding_y => 4,
2365
2366 @_
2367 )
2368}
2369
2370sub move_cursor_ver {
2371 my ($self, $dy) = @_;
2372
2373 my ($line, $x) = $self->{layout}->index_to_line_x ($self->{cursor});
2374
2375 $line += $dy;
2376
2377 if (defined (my $index = $self->{layout}->line_x_to_index ($line, $x))) {
2378 $self->{cursor} = $index;
2379 delete $self->{cur_h};
2380 $self->update;
2381 return;
2382 }
2383}
2384
2385sub invoke_key_down {
2386 my ($self, $ev) = @_;
2387
2388 my $sym = $ev->{sym};
2389
2390 if ($sym == DC::SDLK_UP) {
2391 $self->move_cursor_ver (-1);
2392 } elsif ($sym == DC::SDLK_DOWN) {
2393 $self->move_cursor_ver (+1);
2394 } else {
2395 return $self->SUPER::invoke_key_down ($ev)
2396 }
2397
2398 1
2399}
2400
2401#############################################################################
2402
2403package DC::UI::ButtonBin;
2404
2405our @ISA = DC::UI::Bin::;
2406
2407use DC::OpenGL;
2408
2409my @tex =
2410 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
2411 qw(b1_button_inactive.png b1_button_active.png);
2412
2413sub new {
2414 my $class = shift;
2415
2416 $class->SUPER::new (
2417 can_hover => 1,
2418 align => 0.5,
2419 valign => 0.5,
2420 can_events => 1,
2421 @_
2422 )
2423}
2424
2425sub invoke_button_up {
2426 my ($self, $ev, $x, $y) = @_;
2427
2428 $self->emit ("activate")
2429 if $x >= 0 && $x < $self->{w}
2430 && $y >= 0 && $y < $self->{h};
2431
2432 1
2433}
2434
2435sub _draw {
2436 my ($self) = @_;
2437
2438 glEnable GL_TEXTURE_2D;
2439 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2440 glColor 0, 0, 0, 1;
2441
2442 my $tex = $tex[$GRAB == $self];
2443 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
113 2444
114 glDisable GL_TEXTURE_2D; 2445 glDisable GL_TEXTURE_2D;
2446
2447 $self->SUPER::_draw;
2448}
2449
2450#############################################################################
2451
2452package DC::UI::Button;
2453
2454our @ISA = DC::UI::Label::;
2455
2456use DC::OpenGL;
2457
2458my @tex =
2459 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
2460 qw(b1_button_inactive.png b1_button_active.png);
2461
2462sub new {
2463 my $class = shift;
2464
2465 $class->SUPER::new (
2466 padding_x => 8,
2467 padding_y => 4,
2468 fg => [1.0, 1.0, 1.0],
2469 active_fg => [0.8, 0.8, 0.8],
2470 can_hover => 1,
2471 align => 0.5,
2472 valign => 0.5,
2473 can_events => 1,
2474 @_
2475 )
2476}
2477
2478sub invoke_button_up {
2479 my ($self, $ev, $x, $y) = @_;
2480
2481 $self->emit ("activate")
2482 if $x >= 0 && $x < $self->{w}
2483 && $y >= 0 && $y < $self->{h};
2484
2485 1
2486}
2487
2488sub _draw {
2489 my ($self) = @_;
2490
2491 local $self->{fg} = $GRAB == $self ? $self->{active_fg} : $self->{fg};
2492
2493 glEnable GL_TEXTURE_2D;
2494 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2495 glColor 0, 0, 0, 1;
2496
2497 my $tex = $tex[$GRAB == $self];
2498 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
2499
2500 glDisable GL_TEXTURE_2D;
2501
2502 $self->SUPER::_draw;
2503}
2504
2505#############################################################################
2506
2507package DC::UI::CheckBox;
2508
2509our @ISA = DC::UI::DrawBG::;
2510
2511my @tex =
2512 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
2513 qw(c1_checkbox_bg.png c1_checkbox_active.png);
2514
2515use DC::OpenGL;
2516
2517sub new {
2518 my $class = shift;
2519
2520 $class->SUPER::new (
2521 padding_x => 2,
2522 padding_y => 2,
2523 fg => [1, 1, 1],
2524 active_fg => [1, 1, 0],
2525 bg => [0, 0, 0, 0.2],
2526 active_bg => [1, 1, 1, 0.5],
2527 state => 0,
2528 can_hover => 1,
2529 @_
2530 )
2531}
2532
2533sub size_request {
2534 my ($self) = @_;
2535
2536 (6) x 2
2537}
2538
2539sub toggle {
2540 my ($self) = @_;
2541
2542 $self->{state} = !$self->{state};
2543 $self->emit (changed => $self->{state});
2544 $self->update;
2545}
2546
2547sub invoke_button_down {
2548 my ($self, $ev, $x, $y) = @_;
2549
2550 if ($x >= $self->{padding_x} && $x < $self->{w} - $self->{padding_x}
2551 && $y >= $self->{padding_y} && $y < $self->{h} - $self->{padding_y}) {
2552 $self->toggle;
2553 } else {
2554 return 0
2555 }
2556
2557 1
2558}
2559
2560sub _draw {
2561 my ($self) = @_;
2562
2563 $self->SUPER::_draw;
2564
2565 glTranslate $self->{padding_x}, $self->{padding_y}, 0;
2566
2567 my ($w, $h) = @$self{qw(w h)};
2568
2569 my $s = List::Util::min $w - $self->{padding_x} * 2, $h - $self->{padding_y} * 2;
2570
2571 glColor @{ $FOCUS == $self ? $self->{active_fg} : $self->{fg} };
2572
2573 my $tex = $self->{state} ? $tex[1] : $tex[0];
2574
2575 glEnable GL_TEXTURE_2D;
2576 $tex->draw_quad_alpha (0, 0, $s, $s);
2577 glDisable GL_TEXTURE_2D;
2578}
2579
2580#############################################################################
2581
2582package DC::UI::Image;
2583
2584our @ISA = DC::UI::Base::;
2585
2586use DC::OpenGL;
2587
2588our %texture_cache;
2589
2590sub new {
2591 my $class = shift;
2592
2593 my $self = $class->SUPER::new (
2594 can_events => 0,
2595 scale => 1,
2596 @_,
2597 );
2598
2599 $self->{path} || $self->{tex}
2600 or Carp::croak "'path' or 'tex' attributes required";
2601
2602 $self->{tex} ||= $texture_cache{$self->{path}} ||=
2603 new_from_file DC::Texture DC::find_rcfile $self->{path}, mipmap => 1;
2604
2605 DC::weaken $texture_cache{$self->{path}};
2606
2607 $self->{aspect} ||= $self->{tex}{w} / $self->{tex}{h};
2608
2609 $self
2610}
2611
2612sub STORABLE_freeze {
2613 my ($self, $cloning) = @_;
2614
2615 $self->{path}
2616 or die "cannot serialise DC::UI::Image on non-loadable images\n";
2617
2618 $self->{path}
2619}
2620
2621sub STORABLE_attach {
2622 my ($self, $cloning, $path) = @_;
2623
2624 $self->new (path => $path)
2625}
2626
2627sub size_request {
2628 my ($self) = @_;
2629
2630 (int $self->{tex}{w} * $self->{scale}, int $self->{tex}{h} * $self->{scale})
2631}
2632
2633sub _draw {
2634 my ($self) = @_;
2635
2636 my $tex = $self->{tex};
2637
2638 my ($w, $h) = ($self->{w}, $self->{h});
2639
2640 if ($self->{rot90}) {
2641 glRotate 90, 0, 0, 1;
2642 glTranslate 0, -$self->{w}, 0;
2643
2644 ($w, $h) = ($h, $w);
2645 }
2646
2647 glEnable GL_TEXTURE_2D;
2648 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2649
2650 $tex->draw_quad_alpha (0, 0, $w, $h);
2651
2652 glDisable GL_TEXTURE_2D;
2653}
2654
2655#############################################################################
2656
2657package DC::UI::ImageButton;
2658
2659our @ISA = DC::UI::Image::;
2660
2661use DC::OpenGL;
2662
2663my %textures;
2664
2665sub new {
2666 my $class = shift;
2667
2668 my $self = $class->SUPER::new (
2669 padding_x => 4,
2670 padding_y => 4,
2671 fg => [1, 1, 1],
2672 active_fg => [0, 0, 1],
2673 can_hover => 1,
2674 align => 0.5,
2675 valign => 0.5,
2676 can_events => 1,
2677 @_
2678 );
2679}
2680
2681sub invoke_button_down {
2682 my ($self, $ev, $x, $y) = @_;
2683
2684 1
2685}
2686
2687sub invoke_button_up {
2688 my ($self, $ev, $x, $y) = @_;
2689
2690 $self->emit ("activate")
2691 if $x >= 0 && $x < $self->{w}
2692 && $y >= 0 && $y < $self->{h};
2693
2694 1
2695}
2696
2697#############################################################################
2698
2699package DC::UI::VGauge;
2700
2701our @ISA = DC::UI::Base::;
2702
2703use List::Util qw(min max);
2704
2705use DC::OpenGL;
2706
2707my %tex = (
2708 food => [
2709 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
2710 qw/g1_food_gauge_empty.png g1_food_gauge_full.png/
2711 ],
2712 grace => [
2713 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
2714 qw/g1_grace_gauge_empty.png g1_grace_gauge_full.png g1_grace_gauge_overflow.png/
2715 ],
2716 hp => [
2717 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
2718 qw/g1_hp_gauge_empty.png g1_hp_gauge_full.png/
2719 ],
2720 mana => [
2721 map { new_from_file DC::Texture DC::find_rcfile $_, mipmap => 1 }
2722 qw/g1_mana_gauge_empty.png g1_mana_gauge_full.png g1_mana_gauge_overflow.png/
2723 ],
2724);
2725
2726# eg. VGauge->new (gauge => 'food'), default gauge: food
2727sub new {
2728 my $class = shift;
2729
2730 my $self = $class->SUPER::new (
2731 type => 'food',
2732 @_
2733 );
2734
2735 $self->{aspect} = $tex{$self->{type}}[0]{w} / $tex{$self->{type}}[0]{h};
2736
2737 $self
2738}
2739
2740sub size_request {
2741 my ($self) = @_;
2742
2743 #my $tex = $tex{$self->{type}}[0];
2744 #@$tex{qw(w h)}
2745 (0, 0)
2746}
2747
2748sub set_max {
2749 my ($self, $max) = @_;
2750
2751 return if $self->{max_val} == $max;
2752
2753 $self->{max_val} = $max;
2754 $self->update;
2755}
2756
2757sub set_value {
2758 my ($self, $val, $max) = @_;
2759
2760 $self->set_max ($max)
2761 if defined $max;
2762
2763 return if $self->{val} == $val;
2764
2765 $self->{val} = $val;
2766 $self->update;
2767}
2768
2769sub _draw {
2770 my ($self) = @_;
2771
2772 my $tex = $tex{$self->{type}};
2773 my ($t1, $t2, $t3) = @$tex;
2774
2775 my ($w, $h) = ($self->{w}, $self->{h});
2776
2777 if ($self->{vertical}) {
2778 glRotate 90, 0, 0, 1;
2779 glTranslate 0, -$self->{w}, 0;
2780
2781 ($w, $h) = ($h, $w);
2782 }
2783
2784 my $ycut = $self->{val} / ($self->{max_val} || 1);
2785
2786 my $ycut1 = max 0, min 1, $ycut;
2787 my $ycut2 = max 0, min 1, $ycut - 1;
2788
2789 my $h1 = $self->{h} * (1 - $ycut1);
2790 my $h2 = $self->{h} * (1 - $ycut2);
2791 my $h3 = $self->{h};
2792
2793 $_ = $_ * (284-4)/288 + 4/288 for ($h1, $h2, $h3);
2794
2795 glEnable GL_BLEND;
2796 glBlendFuncSeparate GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
2797 GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2798 glEnable GL_TEXTURE_2D;
2799 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2800
2801 glBindTexture GL_TEXTURE_2D, $t1->{name};
2802 glBegin GL_QUADS;
2803 glTexCoord 0 , 0; glVertex 0 , 0;
2804 glTexCoord 0 , $t1->{t} * (1 - $ycut1); glVertex 0 , $h1;
2805 glTexCoord $t1->{s}, $t1->{t} * (1 - $ycut1); glVertex $w, $h1;
2806 glTexCoord $t1->{s}, 0; glVertex $w, 0;
2807 glEnd;
2808
2809 my $ycut1 = List::Util::min 1, $ycut;
2810 glBindTexture GL_TEXTURE_2D, $t2->{name};
2811 glBegin GL_QUADS;
2812 glTexCoord 0 , $t2->{t} * (1 - $ycut1); glVertex 0 , $h1;
2813 glTexCoord 0 , $t2->{t} * (1 - $ycut2); glVertex 0 , $h2;
2814 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut2); glVertex $w, $h2;
2815 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut1); glVertex $w, $h1;
2816 glEnd;
2817
2818 if ($t3) {
2819 glBindTexture GL_TEXTURE_2D, $t3->{name};
2820 glBegin GL_QUADS;
2821 glTexCoord 0 , $t3->{t} * (1 - $ycut2); glVertex 0 , $h2;
2822 glTexCoord 0 , $t3->{t}; glVertex 0 , $h3;
2823 glTexCoord $t3->{s}, $t3->{t}; glVertex $w, $h3;
2824 glTexCoord $t3->{s}, $t3->{t} * (1 - $ycut2); glVertex $w, $h2;
2825 glEnd;
2826 }
2827
115 glDisable GL_BLEND; 2828 glDisable GL_BLEND;
2829 glDisable GL_TEXTURE_2D;
116} 2830}
117 2831
1181; 2832#############################################################################
2833
2834package DC::UI::Progress;
2835
2836our @ISA = DC::UI::Label::;
2837
2838use DC::OpenGL;
2839
2840sub new {
2841 my ($class, %arg) = @_;
2842
2843 my $self = $class->SUPER::new (
2844 fg => [1, 1, 1],
2845 bg => [0, 0, 1, 0.2],
2846 bar => [0.7, 0.5, 0.1, 0.8],
2847 outline => [0.4, 0.3, 0],
2848 fontsize => 0.9,
2849 valign => 0.5,
2850 align => 0.5,
2851 can_events => 1,
2852 ellipsise => 1,
2853 label => "%d%%",
2854 %arg,
2855 );
2856
2857 $self->set_value ($arg{value} || -1);
2858
2859 $self
2860}
2861
2862sub set_label {
2863 my ($self, $label) = @_;
2864
2865 return if $self->{label} eq $label;
2866 $self->{label} = $label;
2867
2868 $self->DC::UI::Progress::set_value (0 + delete $self->{value});
2869}
2870
2871sub set_value {
2872 my ($self, $value) = @_;
2873
2874 if ($self->{value} ne $value) {
2875 $self->{value} = $value;
2876
2877 if ($value < 0) {
2878 $self->set_text ("-");
2879 } else {
2880 $self->set_text (sprintf $self->{label}, $value * 100);
2881 }
2882
2883 $self->update;
2884 }
2885}
2886
2887sub _draw {
2888 my ($self) = @_;
2889
2890 glEnable GL_BLEND;
2891 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2892
2893 if ($self->{value} >= 0) {
2894 my $s = int 2 + ($self->{w} - 4) * $self->{value};
2895
2896 glColor_premultiply @{$self->{bar}};
2897 glRect 2, 2, $s, $self->{h} - 2;
2898 glColor_premultiply @{$self->{bg}};
2899 glRect $s, 2, $self->{w} - 2, $self->{h} - 2;
2900 }
2901
2902 glColor_premultiply @{$self->{outline}};
2903 glRect_lineloop 1.5, 1.5, $self->{w} - 1.5, $self->{h} - 1.5;
2904
2905 glDisable GL_BLEND;
2906
2907 {
2908 local $self->{bg}; # do not draw background
2909 $self->SUPER::_draw;
2910 }
2911}
2912
2913#############################################################################
2914
2915package DC::UI::ExperienceProgress;
2916
2917our @ISA = DC::UI::Progress::;
2918
2919sub new {
2920 my ($class, %arg) = @_;
2921
2922 my $self = $class->SUPER::new (
2923 tooltip => sub {
2924 my ($self) = @_;
2925
2926 sprintf "level %d\n%s points\n%s next level\n%s to go",
2927 $self->{lvl},
2928 ::formsep ($self->{exp}),
2929 ::formsep ($self->{nxt}),
2930 ::formsep ($self->{nxt} - $self->{exp}),
2931 },
2932 %arg
2933 );
2934
2935 $::CONN->{on_exp_update}{$self+0} = sub { $self->set_value ($self->{value}) }
2936 if $::CONN;
2937
2938 $self
2939}
2940
2941sub DESTROY {
2942 my ($self) = @_;
2943
2944 delete $::CONN->{on_exp_update}{$self+0}
2945 if $::CONN;
2946
2947 $self->SUPER::DESTROY;
2948}
2949
2950sub set_value {
2951 my ($self, $lvl, $exp) = @_;
2952
2953 $self->{lvl} = $lvl;
2954 $self->{exp} = $exp;
2955
2956 my $v = -1;
2957
2958 if ($::CONN && (my $table = $::CONN->{exp_table})) {
2959 my $l0 = $table->[$lvl - 1];
2960 my $l1 = $table->[$lvl];
2961
2962 $self->{nxt} = $l1;
2963
2964 $v = ($exp - $l0) / ($l1 - $l0);
2965 }
2966
2967 $self->SUPER::set_value ($v);
2968}
2969
2970#############################################################################
2971
2972package DC::UI::Gauge;
2973
2974our @ISA = DC::UI::VBox::;
2975
2976sub new {
2977 my ($class, %arg) = @_;
2978
2979 my $self = $class->SUPER::new (
2980 tooltip => $arg{type},
2981 can_hover => 1,
2982 can_events => 1,
2983 %arg,
2984 );
2985
2986 $self->add ($self->{value} = new DC::UI::Label valign => 1, align => 0.5, template => "999");
2987 $self->add ($self->{gauge} = new DC::UI::VGauge type => $self->{type}, expand => 1, can_hover => 1);
2988 $self->add ($self->{max} = new DC::UI::Label valign => 0, align => 0.5, template => "999");
2989
2990 $self
2991}
2992
2993sub set_fontsize {
2994 my ($self, $fsize) = @_;
2995
2996 $self->{value}->set_fontsize ($fsize);
2997 $self->{max} ->set_fontsize ($fsize);
2998}
2999
3000sub set_max {
3001 my ($self, $max) = @_;
3002
3003 $self->{gauge}->set_max ($max);
3004 $self->{max}->set_text ($max);
3005}
3006
3007sub set_value {
3008 my ($self, $val, $max) = @_;
3009
3010 $self->set_max ($max)
3011 if defined $max;
3012
3013 $self->{gauge}->set_value ($val, $max);
3014 $self->{value}->set_text ($val);
3015}
3016
3017#############################################################################
3018
3019package DC::UI::Slider;
3020
3021use strict;
3022
3023use DC::OpenGL;
3024
3025our @ISA = DC::UI::DrawBG::;
3026
3027my @tex =
3028 map { new_from_file DC::Texture DC::find_rcfile $_ }
3029 qw(s1_slider.png s1_slider_bg.png);
3030
3031sub new {
3032 my $class = shift;
3033
3034 # range [value, low, high, page, unit]
3035
3036 # TODO: 0-width page
3037 # TODO: req_w/h are wrong with vertical
3038 # TODO: calculations are off
3039 my $self = $class->SUPER::new (
3040 fg => [1, 1, 1],
3041 active_fg => [0, 0, 0],
3042 bg => [0, 0, 0, 0.2],
3043 active_bg => [1, 1, 1, 0.5],
3044 range => [0, 0, 100, 10, 0],
3045 min_w => $::WIDTH / 80,
3046 min_h => $::WIDTH / 80,
3047 vertical => 0,
3048 can_hover => 1,
3049 inner_pad => 0.02,
3050 @_
3051 );
3052
3053 $self->set_value ($self->{range}[0]);
3054 $self->update;
3055
3056 $self
3057}
3058
3059sub set_range {
3060 my ($self, $range) = @_;
3061
3062 ($range, $self->{range}) = ($self->{range}, $range);
3063
3064 if ("@$range" ne "@{$self->{range}}") {
3065 $self->update;
3066 $self->set_value ($self->{range}[0]);
3067 }
3068}
3069
3070sub set_value {
3071 my ($self, $value) = @_;
3072
3073 my ($old_value, $lo, $hi, $page, $unit) = @{$self->{range}};
3074
3075 $hi = $lo + 1 if $hi <= $lo;
3076
3077 $page = $hi - $lo if $page > $hi - $lo;
3078
3079 $value = $lo if $value < $lo;
3080 $value = $hi - $page if $value > $hi - $page;
3081
3082 $value = $lo + $unit * int +($value - $lo + $unit * 0.5) / $unit
3083 if $unit;
3084
3085 @{$self->{range}} = ($value, $lo, $hi, $page, $unit);
3086
3087 if ($value != $old_value) {
3088 $self->emit (changed => $value);
3089 $self->update;
3090 }
3091}
3092
3093sub size_request {
3094 my ($self) = @_;
3095
3096 ($self->{req_w}, $self->{req_h})
3097}
3098
3099sub invoke_button_down {
3100 my ($self, $ev, $x, $y) = @_;
3101
3102 $self->SUPER::invoke_button_down ($ev, $x, $y);
3103
3104 $self->{click} = [$self->{range}[0], $self->{vertical} ? $y : $x];
3105
3106 $self->invoke_mouse_motion ($ev, $x, $y);
3107
3108 1
3109}
3110
3111sub invoke_mouse_motion {
3112 my ($self, $ev, $x, $y) = @_;
3113
3114 if ($GRAB == $self) {
3115 my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w});
3116
3117 my (undef, $lo, $hi, $page) = @{$self->{range}};
3118
3119 $x = ($x - $self->{click}[1]) / ($w * $self->{scale});
3120
3121 $self->set_value ($self->{click}[0] + $x * ($hi - $page - $lo));
3122 } else {
3123 return 0;
3124 }
3125
3126 1
3127}
3128
3129sub invoke_mouse_wheel {
3130 my ($self, $ev) = @_;
3131
3132 my $delta = $self->{vertical} ? $ev->{dy} : $ev->{dx};
3133
3134 my $pagepart = $ev->{mod} & DC::KMOD_SHIFT ? 1 : 0.2;
3135
3136 $self->set_value ($self->{range}[0] + $delta * $self->{range}[3] * $pagepart);
3137
3138 1
3139}
3140
3141sub update {
3142 my ($self) = @_;
3143
3144 delete $self->{knob_w};
3145 $self->SUPER::update;
3146}
3147
3148sub _draw {
3149 my ($self) = @_;
3150
3151 unless ($self->{knob_w}) {
3152 $self->set_value ($self->{range}[0]);
3153
3154 my ($value, $lo, $hi, $page) = @{$self->{range}};
3155 my $range = ($hi - $page - $lo) || 1e-100;
3156
3157 my $knob_w = List::Util::min 1, $page / ($hi - $lo) || 0.1;
3158
3159 $self->{offset} = List::Util::max $self->{inner_pad}, $knob_w * 0.5;
3160 $self->{scale} = 1 - 2 * $self->{offset} || 1e-100;
3161
3162 $value = ($value - $lo) / $range;
3163 $value = $value * $self->{scale} + $self->{offset};
3164
3165 $self->{knob_x} = $value - $knob_w * 0.5;
3166 $self->{knob_w} = $knob_w;
3167 }
3168
3169 $self->SUPER::_draw ();
3170
3171 glScale $self->{w}, $self->{h};
3172
3173 if ($self->{vertical}) {
3174 # draw a vertical slider like a rotated horizontal slider
3175
3176 glTranslate 1, 0, 0;
3177 glRotate 90, 0, 0, 1;
3178 }
3179
3180 my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg};
3181 my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg};
3182
3183 glEnable GL_TEXTURE_2D;
3184 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3185
3186 # draw background
3187 $tex[1]->draw_quad_alpha (0, 0, 1, 1);
3188
3189 # draw handle
3190 $tex[0]->draw_quad_alpha ($self->{knob_x}, 0, $self->{knob_w}, 1);
3191
3192 glDisable GL_TEXTURE_2D;
3193}
3194
3195#############################################################################
3196
3197package DC::UI::ValSlider;
3198
3199our @ISA = DC::UI::HBox::;
3200
3201sub new {
3202 my ($class, %arg) = @_;
3203
3204 my $range = delete $arg{range};
3205
3206 my $self = $class->SUPER::new (
3207 slider => (new DC::UI::Slider expand => 1, range => $range),
3208 entry => (new DC::UI::Label text => "", template => delete $arg{template}),
3209 to_value => sub { shift },
3210 from_value => sub { shift },
3211 %arg,
3212 );
3213
3214 $self->{slider}->connect (changed => sub {
3215 my ($self, $value) = @_;
3216 $self->{parent}{entry}->set_text ($self->{parent}{to_value}->($value));
3217 $self->{parent}->emit (changed => $value);
3218 });
3219
3220# $self->{entry}->connect (changed => sub {
3221# my ($self, $value) = @_;
3222# $self->{parent}{slider}->set_value ($self->{parent}{from_value}->($value));
3223# $self->{parent}->emit (changed => $value);
3224# });
3225
3226 $self->add ($self->{slider}, $self->{entry});
3227
3228 $self->{slider}->emit (changed => $self->{slider}{range}[0]);
3229
3230 $self
3231}
3232
3233sub set_range { shift->{slider}->set_range (@_) }
3234sub set_value { shift->{slider}->set_value (@_) }
3235
3236#############################################################################
3237
3238package DC::UI::TextScroller;
3239
3240our @ISA = DC::UI::HBox::;
3241
3242use DC::OpenGL;
3243
3244sub new {
3245 my $class = shift;
3246
3247 my $self = $class->SUPER::new (
3248 fontsize => 1,
3249 can_events => 1,
3250 indent => 0,
3251 #font => default_font
3252 @_,
3253
3254 layout => (new DC::Layout),
3255 par => [],
3256 max_par => 0,
3257 height => 0,
3258 children => [
3259 (new DC::UI::Empty expand => 1),
3260 (new DC::UI::Slider vertical => 1),
3261 ],
3262 );
3263
3264 $self->{children}[1]->connect (changed => sub { $self->update });
3265
3266 $self
3267}
3268
3269sub set_fontsize {
3270 my ($self, $fontsize) = @_;
3271
3272 $self->{fontsize} = $fontsize;
3273 $self->reflow;
3274}
3275
3276sub size_request {
3277 my ($self) = @_;
3278
3279 my ($empty, $slider) = $self->visible_children;
3280
3281 local $self->{children} = [$empty, $slider];
3282 $self->SUPER::size_request
3283}
3284
3285sub invoke_size_allocate {
3286 my ($self, $w, $h) = @_;
3287
3288 my ($empty, $slider, @other) = @{ $self->{children} };
3289 $_->configure (@$_{qw(x y req_w req_h)}) for @other;
3290
3291 $self->{layout}->set_font ($self->{font}) if $self->{font};
3292 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
3293 $self->{layout}->set_width ($empty->{w});
3294 $self->{layout}->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3295
3296 $self->reflow;
3297
3298 local $self->{children} = [$empty, $slider];
3299 $self->SUPER::invoke_size_allocate ($w, $h)
3300}
3301
3302sub invoke_mouse_wheel {
3303 my ($self, $ev) = @_;
3304
3305 return 0 unless $ev->{dy}; # only vertical movements
3306
3307 $self->{children}[1]->emit (mouse_wheel => $ev);
3308
3309 1
3310}
3311
3312sub get_layout {
3313 my ($self, $para) = @_;
3314
3315 my $layout = $self->{layout};
3316
3317 $layout->set_font ($self->{font}) if $self->{font};
3318 $layout->set_foreground (@{$para->{fg}});
3319 $layout->set_height ($self->{fontsize} * $::FONTSIZE);
3320 $layout->set_width ($self->{children}[0]{w} - $para->{indent});
3321 $layout->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3322 $layout->set_markup ($para->{markup});
3323
3324 $layout->set_shapes (
3325 map
3326 +(0, $_->baseline_shift + $_->{padding_y} - $_->{h}, $_->{w}, $_->{h}),
3327 @{$para->{widget}}
3328 );
3329
3330 $layout
3331}
3332
3333sub reflow {
3334 my ($self) = @_;
3335
3336 $self->{need_reflow}++;
3337 $self->update;
3338}
3339
3340sub set_offset {
3341 my ($self, $offset) = @_;
3342
3343 # todo: base offset on lines or so, not on pixels
3344 $self->{children}[1]->set_value ($offset);
3345}
3346
3347sub current_paragraph {
3348 my ($self) = @_;
3349
3350 $self->{top_paragraph} - 1
3351}
3352
3353sub scroll_to {
3354 my ($self, $para) = @_;
3355
3356 $para = List::Util::max 0, List::Util::min $#{$self->{par}}, $para;
3357
3358 $self->{scroll_to} = $para;
3359 $self->update;
3360}
3361
3362sub clear {
3363 my ($self) = @_;
3364
3365 my (undef, undef, @other) = @{ $self->{children} };
3366 $self->remove ($_) for @other;
3367
3368 $self->{par} = [];
3369 $self->{height} = 0;
3370 $self->{children}[1]->set_range ([0, 0, 0, 1, 1]);
3371}
3372
3373sub add_paragraph {
3374 my $self = shift;
3375
3376 for my $para (@_) {
3377 $para = {
3378 fg => [1, 1, 1, 1],
3379 indent => 0,
3380 markup => "",
3381 widget => [],
3382 ref $para ? %$para : (markup => $para),
3383 w => 1e10,
3384 wrapped => 1,
3385 };
3386
3387 $self->add (@{ $para->{widget} }) if @{ $para->{widget} };
3388 push @{$self->{par}}, $para;
3389 }
3390
3391 if (my $max = $self->{max_par}) {
3392 shift @{$self->{par}} while @{$self->{par}} > $max;
3393 }
3394
3395 $self->{need_reflow}++;
3396 $self->update;
3397}
3398
3399sub scroll_to_bottom {
3400 my ($self) = @_;
3401
3402 $self->{scroll_to} = $#{$self->{par}};
3403 $self->update;
3404}
3405
3406sub force_uptodate {
3407 my ($self) = @_;
3408
3409 if (delete $self->{need_reflow}) {
3410 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3411
3412 my $height = 0;
3413
3414 for my $para (@{$self->{par}}) {
3415 if ($para->{w} != $W && ($para->{wrapped} || $para->{w} > $W)) {
3416 my $layout = $self->get_layout ($para);
3417 my ($w, $h) = $layout->size;
3418
3419 $para->{w} = $w + $para->{indent};
3420 $para->{h} = $h;
3421 $para->{wrapped} = $layout->has_wrapped;
3422 }
3423
3424 $para->{y} = $height;
3425 $height += $para->{h};
3426 }
3427
3428 $self->{height} = $height;
3429 $self->{children}[1]->set_range ([$self->{children}[1]{range}[0], 0, $height, $H, 1]);
3430
3431 delete $self->{texture};
3432 }
3433
3434 if (my $paridx = delete $self->{scroll_to}) {
3435 $self->{children}[1]->set_value ($self->{par}[$paridx]{y});
3436 }
3437}
3438
3439sub update {
3440 my ($self) = @_;
3441
3442 $self->SUPER::update;
3443
3444 return unless $self->{h} > 0;
3445
3446 delete $self->{texture};
3447
3448 $ROOT->on_post_alloc ($self => sub {
3449 $self->force_uptodate;
3450
3451 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3452
3453 $self->{texture} ||= new_from_opengl DC::Texture $W, $H, sub {
3454 glClearColor 0, 0, 0, 0;
3455 glClear GL_COLOR_BUFFER_BIT;
3456
3457 package DC::UI::Base;
3458 local ($draw_x, $draw_y, $draw_w, $draw_h) =
3459 (0, 0, $self->{w}, $self->{h});
3460
3461 my $top = int $self->{children}[1]{range}[0];
3462
3463 my $paridx = 0;
3464 my $top_paragraph;
3465 my $top = int $self->{children}[1]{range}[0];
3466
3467 my $y0 = $top;
3468 my $y1 = $top + $H;
3469
3470 for my $para (@{$self->{par}}) {
3471 my $h = $para->{h};
3472 my $y = $para->{y};
3473
3474 if ($y0 < $y + $h && $y < $y1) {
3475 my $layout = $self->get_layout ($para);
3476
3477 $layout->render ($para->{indent}, $y - $y0);
3478 $layout->draw;
3479
3480 if (my @w = @{ $para->{widget} }) {
3481 my @s = $layout->get_shapes;
3482
3483 for (@w) {
3484 my ($dx, $dy) = splice @s, 0, 2, ();
3485
3486 $_->{x} = $dx + $para->{indent};
3487 $_->{y} = $dy + $y - $y0;
3488
3489 $_->draw;
3490 }
3491 }
3492 }
3493
3494 $paridx++;
3495 $top_paragraph ||= $paridx if $y >= $top;
3496 }
3497
3498 $self->{top_paragraph} = $top_paragraph;
3499 };
3500 });
3501}
3502
3503sub reconfigure {
3504 my ($self) = @_;
3505
3506 $self->SUPER::reconfigure;
3507
3508 $_->{w} = 1e10 for @{ $self->{par} };
3509 $self->reflow;
3510}
3511
3512sub _draw {
3513 my ($self) = @_;
3514
3515 glEnable GL_TEXTURE_2D;
3516 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3517 glColor 0, 0, 0, 1;
3518 $self->{texture}->draw_quad_alpha_premultiplied (0, 0, $self->{children}[0]{w}, $self->{children}[0]{h});
3519 glDisable GL_TEXTURE_2D;
3520
3521 $self->{children}[1]->draw;
3522}
3523
3524#############################################################################
3525
3526package DC::UI::Animator;
3527
3528use DC::OpenGL;
3529
3530our @ISA = DC::UI::Bin::;
3531
3532sub moveto {
3533 my ($self, $x, $y) = @_;
3534
3535 $self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
3536 $self->{speed} = 0.001;
3537 $self->{time} = 1;
3538
3539 ::animation_start $self;
3540}
3541
3542sub animate {
3543 my ($self, $interval) = @_;
3544
3545 $self->{time} -= $interval * $self->{speed};
3546 if ($self->{time} <= 0) {
3547 $self->{time} = 0;
3548 ::animation_stop $self;
3549 }
3550
3551 my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
3552
3553 $self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
3554 $self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
3555}
3556
3557sub _draw {
3558 my ($self) = @_;
3559
3560 glPushMatrix;
3561 glRotate $self->{time} * 1000, 0, 1, 0;
3562 $self->{children}[0]->draw;
3563 glPopMatrix;
3564}
3565
3566#############################################################################
3567
3568package DC::UI::Flopper;
3569
3570our @ISA = DC::UI::Button::;
3571
3572sub new {
3573 my $class = shift;
3574
3575 my $self = $class->SUPER::new (
3576 state => 0,
3577 on_activate => \&toggle_flopper,
3578 @_
3579 );
3580
3581 $self
3582}
3583
3584sub toggle_flopper {
3585 my ($self) = @_;
3586
3587 $self->{other}->toggle_visibility;
3588}
3589
3590#############################################################################
3591
3592package DC::UI::Tooltip;
3593
3594our @ISA = DC::UI::Bin::;
3595
3596use DC::OpenGL;
3597
3598sub new {
3599 my $class = shift;
3600
3601 $class->SUPER::new (
3602 @_,
3603 can_events => 0,
3604 )
3605}
3606
3607sub set_tooltip_from {
3608 my ($self, $widget) = @_;
3609
3610 my $tip = $widget->{tooltip};
3611 $tip = $tip->($widget) if "CODE" eq ref $tip;
3612
3613 $tip = DC::Pod::section_label tooltip => $1
3614 if $tip =~ /^#(.*)$/;
3615
3616 if ($ENV{CFPLUS_DEBUG} & 2) {
3617 $tip .= "\n\n" . (ref $widget) . "\n"
3618 . "$widget->{x} $widget->{y} $widget->{w} $widget->{h}\n"
3619 . "req $widget->{req_w} $widget->{req_h}\n"
3620 . "visible $widget->{visible}";
3621 }
3622
3623 $tip =~ s/^\n+//;
3624 $tip =~ s/\n+$//;
3625
3626 $self->add (new DC::UI::Label
3627 markup => $tip,
3628 max_w => ($widget->{tooltip_width} || 0.25) * $::WIDTH,
3629 align => 0,
3630 fontsize => 0.8,
3631 style => 1, # FLAG_INVERSE
3632 ellipsise => 0,
3633 font => ($widget->{tooltip_font} || $::FONT_PROP),
3634 );
3635}
3636
3637sub size_request {
3638 my ($self) = @_;
3639
3640 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
3641
3642 ($w + 4, $h + 4)
3643}
3644
3645sub invoke_size_allocate {
3646 my ($self, $w, $h) = @_;
3647
3648 $self->SUPER::invoke_size_allocate ($w - 4, $h - 4)
3649}
3650
3651sub invoke_visibility_change {
3652 my ($self, $visible) = @_;
3653
3654 return unless $visible;
3655
3656 $self->{root}->on_post_alloc ("move_$self" => sub {
3657 my $widget = $self->{owner}
3658 or return;
3659
3660 if ($widget->{visible}) {
3661 my ($x, $y) = $widget->coord2global ($widget->{w}, 0);
3662
3663 ($x, $y) = $widget->coord2global (-$self->{w}, 0)
3664 if $x + $self->{w} > $self->{root}{w};
3665
3666 $self->move_abs ($x, $y);
3667 } else {
3668 $self->hide;
3669 }
3670 });
3671}
3672
3673sub _draw {
3674 my ($self) = @_;
3675
3676 my ($w, $h) = @$self{qw(w h)};
3677
3678 glColor 1, 0.8, 0.4;
3679 glRect 0, 0, $w, $h;
3680
3681 glColor 0, 0, 0;
3682 glRect_lineloop .5, .5, $w + .5, $h + .5;
3683
3684 glTranslate 2, 2;
3685
3686 $self->SUPER::_draw;
3687}
3688
3689#############################################################################
3690
3691package DC::UI::Face;
3692
3693our @ISA = DC::UI::DrawBG::;
3694
3695use DC::OpenGL;
3696
3697sub new {
3698 my $class = shift;
3699
3700 my $self = $class->SUPER::new (
3701 size_w => 32,
3702 size_h => 8,
3703 aspect => 1,
3704 can_events => 0,
3705 @_,
3706 );
3707
3708 if ($self->{anim} && $self->{animspeed}) {
3709 DC::weaken (my $widget = $self);
3710
3711 $self->{animspeed} = List::Util::max 0.05, $self->{animspeed};
3712 $self->{timer} = EV::periodic_ns 0, $self->{animspeed}, undef, sub {
3713 return unless $::CONN;
3714
3715 my $w = $widget
3716 or return;
3717
3718 ++$w->{frame};
3719 $w->update_face;
3720
3721 # somehow, $widget can go away
3722 $w->update;
3723 $w->update_timer;
3724 };
3725
3726 $self->update_face;
3727 $self->update_timer;
3728 }
3729
3730 $self
3731}
3732
3733sub update_timer {
3734 my ($self) = @_;
3735
3736 return unless $self->{timer};
3737
3738 if ($self->{visible}) {
3739 $self->{timer}->start;
3740 } else {
3741 $self->{timer}->stop;
3742 }
3743}
3744
3745sub update_face {
3746 my ($self) = @_;
3747
3748 if ($::CONN) {
3749 if (my $anim = $::CONN->{anim}[$self->{anim}]) {
3750 if ($anim && @$anim) {
3751 $self->{face} = $anim->[ $self->{frame} % @$anim ];
3752 delete $self->{face_change_cb};
3753
3754 if (my $tex = $self->{tex} = $::CONN->{texture}[ $::CONN->{face}[$self->{face}]{id} ]) {
3755 unless ($tex->{name} || $tex->{loading}) {
3756 $tex->upload (sub { $self->reconfigure });
3757 }
3758 }
3759 }
3760 }
3761 }
3762}
3763
3764sub size_request {
3765 my ($self) = @_;
3766
3767 if ($::CONN) {
3768 if (my $faceid = $::CONN->{face}[$self->{face}]{id}) {
3769 if (my $tex = $self->{tex} = $::CONN->{texture}[$faceid]) {
3770 if ($tex->{name}) {
3771 return ($self->{size_w} || $tex->{w}, $self->{size_h} || $tex->{h});
3772 } elsif (!$tex->{loading}) {
3773 $tex->upload (sub { $self->reconfigure });
3774 }
3775 }
3776
3777 $self->{face_change_cb} ||= $::CONN->on_face_change ($self->{face}, sub { $self->reconfigure });
3778 }
3779 }
3780
3781 ($self->{size_w} || 8, $self->{size_h} || 8)
3782}
3783
3784sub update {
3785 my ($self) = @_;
3786
3787 return unless $self->{visible};
3788
3789 $self->SUPER::update;
3790}
3791
3792sub invoke_visibility_change {
3793 my ($self) = @_;
3794
3795 $self->update_timer;
3796
3797 0
3798}
3799
3800sub _draw {
3801 my ($self) = @_;
3802
3803 $self->SUPER::_draw;
3804
3805 if (my $tex = $self->{tex}) {
3806 glEnable GL_TEXTURE_2D;
3807 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3808 glColor 0, 0, 0, 1;
3809 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
3810 glDisable GL_TEXTURE_2D;
3811 }
3812}
3813
3814sub destroy {
3815 my ($self) = @_;
3816
3817 (delete $self->{timer})->cancel
3818 if $self->{timer};
3819
3820 $self->SUPER::destroy;
3821}
3822
3823#############################################################################
3824
3825package DC::UI::Buttonbar;
3826
3827our @ISA = DC::UI::HBox::;
3828
3829# TODO: should actually wrap buttons and other goodies.
3830
3831#############################################################################
3832
3833package DC::UI::Menu;
3834
3835our @ISA = DC::UI::Toplevel::;
3836
3837use DC::OpenGL;
3838
3839sub new {
3840 my $class = shift;
3841
3842 my $self = $class->SUPER::new (
3843 items => [],
3844 z => 100,
3845 @_,
3846 );
3847
3848 $self->add ($self->{vbox} = new DC::UI::VBox);
3849
3850 for my $item (@{ $self->{items} }) {
3851 my ($widget, $cb, $tooltip) = @$item;
3852
3853 # handle various types of items, only text for now
3854 if (!ref $widget) {
3855 if ($widget =~ /\t/) {
3856 my ($left, $right) = split /\t/, $widget, 2;
3857
3858 $widget = new DC::UI::HBox
3859 can_hover => 1,
3860 can_events => 1,
3861 tooltip => $tooltip,
3862 children => [
3863 (new DC::UI::Label markup => $left, expand => 1),
3864 (new DC::UI::Label markup => $right, align => 1),
3865 ],
3866 ;
3867
3868 } else {
3869 $widget = new DC::UI::Label
3870 can_hover => 1,
3871 can_events => 1,
3872 align => 0,
3873 markup => $widget,
3874 tooltip => $tooltip;
3875 }
3876 }
3877
3878 $self->{item}{$widget} = $item;
3879
3880 $self->{vbox}->add ($widget);
3881 }
3882
3883 $self
3884}
3885
3886# popup given the event (must be a mouse button down event currently)
3887sub popup {
3888 my ($self, $ev) = @_;
3889
3890 $self->emit ("popdown");
3891
3892 # maybe save $GRAB? must be careful about events...
3893 $GRAB = $self;
3894 $self->{button} = $ev->{button};
3895
3896 $self->show;
3897 $self->move_abs ($ev->{x} - $self->{w} * 0.5, $ev->{y} - $self->{h} * 0.5);
3898}
3899
3900sub invoke_mouse_motion {
3901 my ($self, $ev, $x, $y) = @_;
3902
3903 # TODO: should use vbox->find_widget or so
3904 $HOVER = $ROOT->find_widget ($ev->{x}, $ev->{y});
3905 $self->{hover} = $self->{item}{$HOVER};
3906
3907 0
3908}
3909
3910sub invoke_button_up {
3911 my ($self, $ev, $x, $y) = @_;
3912
3913 if ($ev->{button} == $self->{button}) {
3914 undef $GRAB;
3915 $self->hide;
3916
3917 $self->emit ("popdown");
3918 $self->{hover}[1]->() if $self->{hover};
3919 } else {
3920 return 0
3921 }
3922
3923 1
3924}
3925
3926#############################################################################
3927
3928package DC::UI::Multiplexer;
3929
3930our @ISA = DC::UI::Container::;
3931
3932sub new {
3933 my $class = shift;
3934
3935 my $self = $class->SUPER::new (
3936 @_,
3937 );
3938
3939 $self->{current} = $self->{children}[0]
3940 if @{ $self->{children} };
3941
3942 $self
3943}
3944
3945sub add {
3946 my ($self, @widgets) = @_;
3947
3948 $self->SUPER::add (@widgets);
3949
3950 $self->{current} = $self->{children}[0]
3951 if @{ $self->{children} };
3952}
3953
3954sub get_current_page {
3955 my ($self) = @_;
3956
3957 $self->{current}
3958}
3959
3960sub set_current_page {
3961 my ($self, $page_or_widget) = @_;
3962
3963 my $widget = ref $page_or_widget
3964 ? $page_or_widget
3965 : $self->{children}[$page_or_widget];
3966
3967 $self->{current} = $widget;
3968 $self->{current}->configure (0, 0, $self->{w}, $self->{h});
3969
3970 $self->emit (page_changed => $self->{current});
3971
3972 $self->realloc;
3973}
3974
3975sub visible_children {
3976 $_[0]{current}
3977}
3978
3979sub size_request {
3980 my ($self) = @_;
3981
3982 $self->{current}->size_request
3983}
3984
3985sub invoke_size_allocate {
3986 my ($self, $w, $h) = @_;
3987
3988 $self->{current}->configure (0, 0, $w, $h);
3989
3990 1
3991}
3992
3993sub _draw {
3994 my ($self) = @_;
3995
3996 $self->{current}->draw;
3997}
3998
3999#############################################################################
4000
4001package DC::UI::Notebook;
4002
4003use DC::OpenGL;
4004
4005our @ISA = DC::UI::VBox::;
4006
4007sub new {
4008 my $class = shift;
4009
4010 my $self = $class->SUPER::new (
4011 buttonbar => (new DC::UI::Buttonbar),
4012 multiplexer => (new DC::UI::Multiplexer expand => 1),
4013 active_outline => [.7, .7, 0.2],
4014 # filter => # will be put between multiplexer and $self
4015 @_,
4016 );
4017
4018 $self->{filter}->add ($self->{multiplexer}) if $self->{filter};
4019 $self->SUPER::add ($self->{buttonbar}, $self->{filter} || $self->{multiplexer});
4020
4021 {
4022 Scalar::Util::weaken (my $wself = $self);
4023
4024 $self->{multiplexer}->connect (c_add => sub {
4025 my ($mplex, $widgets) = @_;
4026
4027 for my $child (@$widgets) {
4028 Scalar::Util::weaken $child;
4029 $child->{c_tab_} ||= do {
4030 my $tab =
4031 (UNIVERSAL::isa $child->{c_tab}, "DC::UI::Base")
4032 ? $child->{c_tab}
4033 : new DC::UI::Button markup => $child->{c_tab}[0], tooltip => $child->{c_tab}[1];
4034
4035 $tab->connect (activate => sub {
4036 $wself->set_current_page ($child);
4037 });
4038
4039 $tab
4040 };
4041
4042 $self->{buttonbar}->add ($child->{c_tab_});
4043 }
4044 });
4045
4046 $self->{multiplexer}->connect (c_remove => sub {
4047 my ($mplex, $widgets) = @_;
4048
4049 for my $child (@$widgets) {
4050 $wself->{buttonbar}->remove ($child->{c_tab_});
4051 }
4052 });
4053 }
4054
4055 $self
4056}
4057
4058sub add {
4059 my ($self, @widgets) = @_;
4060
4061 $self->{multiplexer}->add (@widgets)
4062}
4063
4064sub remove {
4065 my ($self, @widgets) = @_;
4066
4067 $self->{multiplexer}->remove (@widgets)
4068}
4069
4070sub pages {
4071 my ($self) = @_;
4072 $self->{multiplexer}->children
4073}
4074
4075sub page_index {
4076 my ($self, $widget) = @_;
4077
4078 my $i = 0;
4079 for ($self->pages) {
4080 if ($_ eq $widget) { return $i };
4081 $i++;
4082 }
4083
4084 undef
4085}
4086
4087sub add_tab {
4088 my ($self, $title, $widget, $tooltip) = @_;
4089
4090 $title = [$title, $tooltip] unless ref $title;
4091 $widget->{c_tab} = $title;
4092
4093 $self->add ($widget);
4094}
4095
4096sub get_current_page {
4097 my ($self) = @_;
4098
4099 $self->{multiplexer}->get_current_page
4100}
4101
4102sub set_current_page {
4103 my ($self, $page) = @_;
4104
4105 $self->{multiplexer}->set_current_page ($page);
4106 $self->emit (page_changed => $self->{multiplexer}{current});
4107}
4108
4109sub _draw {
4110 my ($self) = @_;
4111
4112 $self->SUPER::_draw ();
4113
4114 if (my $cur = $self->{multiplexer}{current}) {
4115 if ($cur = $cur->{c_tab_}) {
4116 glTranslate $self->{buttonbar}{x} + $cur->{x},
4117 $self->{buttonbar}{y} + $cur->{y};
4118 glLineWidth 3;
4119 #glEnable GL_BLEND;
4120 #glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
4121 glColor @{$self->{active_outline}};
4122 glRect_lineloop 1.5, 1.5, $cur->{w} - 1.5, $cur->{h} - 1.5;
4123 glLineWidth 1;
4124 #glDisable GL_BLEND;
4125 }
4126 }
4127}
4128
4129#############################################################################
4130
4131package DC::UI::Selector;
4132
4133use utf8;
4134
4135our @ISA = DC::UI::Button::;
4136
4137sub new {
4138 my $class = shift;
4139
4140 my $self = $class->SUPER::new (
4141 options => [], # [value, title, longdesc], ...
4142 value => undef,
4143 @_,
4144 );
4145
4146 $self->_set_value ($self->{value});
4147
4148 $self
4149}
4150
4151sub invoke_button_down {
4152 my ($self, $ev) = @_;
4153
4154 my @menu_items;
4155
4156 for (@{ $self->{options} }) {
4157 my ($value, $title, $tooltip) = @$_;
4158
4159 push @menu_items, [$tooltip || $title, sub { $self->set_value ($value) }];
4160 }
4161
4162 DC::UI::Menu->new (items => \@menu_items)->popup ($ev);
4163}
4164
4165sub _set_value {
4166 my ($self, $value) = @_;
4167
4168 my ($item) = grep $_->[0] eq $value, @{ $self->{options} };
4169 $item ||= $self->{options}[0]
4170 or return;
4171
4172 $self->{value} = $item->[0];
4173 $self->set_markup ("$item->[1] ⇓");
4174# $self->set_tooltip ($item->[2]);
4175}
4176
4177sub set_value {
4178 my ($self, $value) = @_;
4179
4180 return unless $self->{value} ne $value;
4181
4182 $self->_set_value ($value);
4183 $self->emit (changed => $value);
4184}
4185
4186sub set_options {
4187 my ($self, $options) = @_;
4188
4189 $self->{options} = $options;
4190 $self->_set_value ($self->{value});
4191}
4192
4193#############################################################################
4194
4195package DC::UI::Statusbox;
4196
4197our @ISA = DC::UI::VBox::;
4198
4199sub new {
4200 my $class = shift;
4201
4202 my $self = $class->SUPER::new (
4203 fontsize => 0.8,
4204 @_,
4205 );
4206
4207 DC::weaken (my $this = $self);
4208
4209 $self->{timer} = EV::timer 1, 1, sub { $this->reorder };
4210
4211 $self
4212}
4213
4214sub reorder {
4215 my ($self) = @_;
4216 my $NOW = Time::HiRes::time;
4217
4218 # freeze display when hovering over any label
4219 return if $DC::UI::TOOLTIP->{owner}
4220 && grep $DC::UI::TOOLTIP->{owner} == $_->{label},
4221 values %{ $self->{item} };
4222
4223 while (my ($k, $v) = each %{ $self->{item} }) {
4224 delete $self->{item}{$k} if $v->{timeout} < $NOW;
4225 }
4226
4227 $self->{timer}->set (1, 1);
4228
4229 my @widgets;
4230
4231 my @items = sort {
4232 $a->{pri} <=> $b->{pri}
4233 or $b->{id} <=> $a->{id}
4234 } values %{ $self->{item} };
4235
4236 my $count = 10 + 1;
4237 for my $item (@items) {
4238 last unless --$count;
4239
4240 my $label = $item->{label} ||= do {
4241 # TODO: doesn't handle markup well (read as: at all)
4242 my $short = $item->{count} > 1
4243 ? "<b>$item->{count} ×</b> $item->{text}"
4244 : $item->{text};
4245
4246 for ($short) {
4247 s/^\s+//;
4248 s/\s+/ /g;
4249 }
4250
4251 new DC::UI::Label
4252 markup => $short,
4253 tooltip => $item->{tooltip},
4254 tooltip_font => $::FONT_PROP,
4255 tooltip_width => 0.67,
4256 fontsize => $item->{fontsize} || $self->{fontsize},
4257 max_w => $::WIDTH * 0.44,
4258 align => 0,
4259 fg => [@{ $item->{fg} }],
4260 can_events => 1,
4261 can_hover => 1
4262 };
4263
4264 if ((my $diff = $item->{timeout} - $NOW) < 2) {
4265 $label->{fg}[3] = ($item->{fg}[3] || 1) * $diff / 2;
4266 $label->update;
4267 $label->set_max_size (undef, $label->{req_h} * $diff)
4268 if $diff < 1;
4269 $self->{timer}->set (1/30, 1/30);
4270 } else {
4271 $label->{fg}[3] = $item->{fg}[3] || 1;
4272 }
4273
4274 push @widgets, $label;
4275 }
4276
4277 $self->clear;
4278 $self->SUPER::add (reverse @widgets);
4279}
4280
4281sub add {
4282 my ($self, $text, %arg) = @_;
4283
4284 $text =~ s/^\s+//;
4285 $text =~ s/\s+$//;
4286
4287 return unless $text;
4288
4289 my $timeout = (int time) + ((delete $arg{timeout}) || 60);
4290
4291 my $group = exists $arg{group} ? $arg{group} : ++$self->{id};
4292
4293 if (my $item = $self->{item}{$group}) {
4294 if ($item->{text} eq $text) {
4295 $item->{count}++;
4296 } else {
4297 $item->{count} = 1;
4298 $item->{text} = $item->{tooltip} = $text;
4299 }
4300 $item->{id} += 0.2;#d#
4301 $item->{timeout} = $timeout;
4302 delete $item->{label};
4303 } else {
4304 $self->{item}{$group} = {
4305 id => ++$self->{id},
4306 text => $text,
4307 timeout => $timeout,
4308 tooltip => $text,
4309 fg => [0.8, 0.8, 0.8, 0.8],
4310 pri => 0,
4311 count => 1,
4312 %arg,
4313 };
4314 }
4315
4316 $ROOT->on_refresh (reorder => sub {
4317 $self->reorder;
4318 });
4319}
4320
4321sub reconfigure {
4322 my ($self) = @_;
4323
4324 delete $_->{label}
4325 for values %{ $self->{item} || {} };
4326
4327 $self->reorder;
4328 $self->SUPER::reconfigure;
4329}
4330
4331sub destroy {
4332 my ($self) = @_;
4333
4334 $self->{timer}->cancel;
4335
4336 $self->SUPER::destroy;
4337}
4338
4339#############################################################################
4340
4341package DC::UI::Root;
4342
4343our @ISA = DC::UI::Container::;
4344
4345use List::Util qw(min max);
4346
4347use DC::OpenGL;
4348
4349sub new {
4350 my $class = shift;
4351
4352 my $self = $class->SUPER::new (
4353 visible => 1,
4354 @_,
4355 );
4356
4357 DC::weaken ($self->{root} = $self);
4358
4359 $self
4360}
4361
4362sub size_request {
4363 my ($self) = @_;
4364
4365 ($self->{w}, $self->{h})
4366}
4367
4368sub _to_pixel {
4369 my ($coord, $size, $max) = @_;
4370
4371 $coord =
4372 $coord eq "center" ? ($max - $size) * 0.5
4373 : $coord eq "max" ? $max
4374 : $coord;
4375
4376 $coord = 0 if $coord < 0;
4377 $coord = $max - $size if $coord > $max - $size;
4378
4379 int $coord + 0.5
4380}
4381
4382sub invoke_size_allocate {
4383 my ($self, $w, $h) = @_;
4384
4385 for my $child ($self->children) {
4386 my ($X, $Y, $W, $H) = @$child{qw(x y req_w req_h)};
4387
4388 $X = $child->{force_x} if exists $child->{force_x};
4389 $Y = $child->{force_y} if exists $child->{force_y};
4390
4391 $X = _to_pixel $X, $W, $self->{w};
4392 $Y = _to_pixel $Y, $H, $self->{h};
4393
4394 $child->configure ($X, $Y, $W, $H);
4395 }
4396
4397 1
4398}
4399
4400sub coord2local {
4401 my ($self, $x, $y) = @_;
4402
4403 ($x, $y)
4404}
4405
4406sub coord2global {
4407 my ($self, $x, $y) = @_;
4408
4409 ($x, $y)
4410}
4411
4412sub update {
4413 my ($self) = @_;
4414
4415 $::WANT_REFRESH = 1;
4416}
4417
4418sub add {
4419 my ($self, @children) = @_;
4420
4421 $_->{is_toplevel} = 1
4422 for @children;
4423
4424 $self->SUPER::add (@children);
4425}
4426
4427sub remove {
4428 my ($self, @children) = @_;
4429
4430 $self->SUPER::remove (@children);
4431
4432 delete $self->{is_toplevel}
4433 for @children;
4434
4435 while (@children) {
4436 my $w = pop @children;
4437 push @children, $w->children;
4438 $w->set_invisible;
4439 }
4440}
4441
4442sub on_refresh {
4443 my ($self, $id, $cb) = @_;
4444
4445 $self->{refresh_hook}{$id} = $cb;
4446}
4447
4448sub on_post_alloc {
4449 my ($self, $id, $cb) = @_;
4450
4451 $self->{post_alloc_hook}{$id} = $cb;
4452}
4453
4454sub draw {
4455 my ($self) = @_;
4456
4457 while ($self->{refresh_hook}) {
4458 $_->()
4459 for values %{delete $self->{refresh_hook}};
4460 }
4461
4462 while ($self->{realloc}) {
4463 my %queue;
4464 my @queue;
4465 my $widget;
4466
4467 outer:
4468 while () {
4469 if (my $realloc = delete $self->{realloc}) {
4470 for $widget (values %$realloc) {
4471 $widget->{visible} or next; # do not resize invisible widgets
4472
4473 $queue{$widget+0}++ and next; # duplicates are common
4474
4475 push @{ $queue[$widget->{visible}] }, $widget;
4476 }
4477 }
4478
4479 while () {
4480 @queue or last outer;
4481
4482 $widget = pop @{ $queue[-1] || [] }
4483 and last;
4484
4485 pop @queue;
4486 }
4487
4488 delete $queue{$widget+0};
4489
4490 my ($w, $h) = $widget->size_request;
4491
4492 $w += $widget->{padding_x} * 2;
4493 $h += $widget->{padding_y} * 2;
4494
4495 $w = max $widget->{min_w}, $w;
4496 $h = max $widget->{min_h}, $h;
4497
4498 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4499 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4500
4501 $w = $widget->{force_w} if exists $widget->{force_w};
4502 $h = $widget->{force_h} if exists $widget->{force_h};
4503
4504 if ($widget->{req_w} != $w || $widget->{req_h} != $h
4505 || delete $widget->{force_realloc}) {
4506 $widget->{req_w} = $w;
4507 $widget->{req_h} = $h;
4508
4509 $self->{size_alloc}{$widget+0} = $widget;
4510
4511 if (my $parent = $widget->{parent}) {
4512 $self->{realloc}{$parent+0} = $parent
4513 unless $queue{$parent+0};
4514
4515 $parent->{force_size_alloc} = 1;
4516 $self->{size_alloc}{$parent+0} = $parent;
4517 }
4518 }
4519
4520 delete $self->{realloc}{$widget+0};
4521 }
4522
4523 while (my $size_alloc = delete $self->{size_alloc}) {
4524 my @queue = sort { $a->{visible} <=> $b->{visible} }
4525 values %$size_alloc;
4526
4527 while () {
4528 my $widget = pop @queue || last;
4529
4530 my ($w, $h) = @$widget{qw(alloc_w alloc_h)};
4531
4532 $w = max $widget->{min_w}, $w;
4533 $h = max $widget->{min_h}, $h;
4534
4535# $w = min $self->{w} - $widget->{x}, $w if $self->{w};
4536# $h = min $self->{h} - $widget->{y}, $h if $self->{h};
4537
4538 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4539 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4540
4541 $w = int $w + 0.5;
4542 $h = int $h + 0.5;
4543
4544 if ($widget->{w} != $w || $widget->{h} != $h || delete $widget->{force_size_alloc}) {
4545 $widget->{old_w} = $widget->{w};
4546 $widget->{old_h} = $widget->{h};
4547
4548 $widget->{w} = $w;
4549 $widget->{h} = $h;
4550
4551 $widget->emit (size_allocate => $w, $h);
4552 }
4553 }
4554 }
4555 }
4556
4557 while ($self->{post_alloc_hook}) {
4558 $_->()
4559 for values %{delete $self->{post_alloc_hook}};
4560 }
4561
4562 glViewport 0, 0, $::WIDTH, $::HEIGHT;
4563 glClearColor +($::CFG->{fow_intensity}) x 3, 1;
4564 glClear GL_COLOR_BUFFER_BIT;
4565
4566 glMatrixMode GL_PROJECTION;
4567 glLoadIdentity;
4568 glOrtho 0, $::WIDTH, $::HEIGHT, 0, -10000, 10000;
4569 glMatrixMode GL_MODELVIEW;
4570 glLoadIdentity;
4571
4572 {
4573 package DC::UI::Base;
4574
4575 local ($draw_x, $draw_y, $draw_w, $draw_h) =
4576 (0, 0, $self->{w}, $self->{h});
4577
4578 $self->_draw;
4579 }
4580}
4581
4582#############################################################################
4583
4584package DC::UI;
4585
4586$ROOT = new DC::UI::Root;
4587$TOOLTIP = new DC::UI::Tooltip z => 900;
4588
45891
4590

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