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Comparing deliantra/Deliantra-Client/DC/UI.pm (file contents):
Revision 1.10 by root, Fri Apr 7 20:34:44 2006 UTC vs.
Revision 1.477 by root, Sun Jan 11 23:50:27 2009 UTC

1package Crossfire::Client::Widget; 1package DC::UI;
2 2
3use utf8;
3use strict; 4use strict;
4 5
5our $FOCUS; # the widget with current focus 6use List::Util ();
6our %ACTIVE_WIDGETS; 7
8use Guard ();
9
10use DC;
11use DC::Pod;
12use DC::Texture;
13
14our ($FOCUS, $HOVER, $GRAB); # various widgets
15
16our $LAYOUT;
17our $ROOT;
18our $TOOLTIP;
19our $BUTTON_STATE;
20
21our %WIDGET; # all widgets, weak-referenced
22
23our $TOOLTIP_WATCHER = EV::timer_ns 0, 0.03, sub {
24 $_[0]->stop;
25
26 if (!$GRAB) {
27 for (my $widget = $HOVER; $widget; $widget = $widget->{parent}) {
28 if (length $widget->{tooltip}) {
29 if ($TOOLTIP->{owner} != $widget) {
30 $TOOLTIP->{owner}->emit ("tooltip_hide") if $TOOLTIP->{owner};
31 $TOOLTIP->hide;
32
33 $TOOLTIP->{owner} = $widget;
34 $TOOLTIP->{owner}->emit ("tooltip_show") if $TOOLTIP->{owner};
35
36 return if $ENV{CFPLUS_DEBUG} & 8;
37
38 $TOOLTIP->set_tooltip_from ($widget);
39 $TOOLTIP->show;
40 }
41
42 return;
43 }
44 }
45 }
46
47 $TOOLTIP->hide;
48 $TOOLTIP->{owner}->emit ("tooltip_hide") if $TOOLTIP->{owner};
49 delete $TOOLTIP->{owner};
50};
51
52sub get_layout {
53 my $layout;
54
55 for (grep { $_->{name} } values %WIDGET) {
56 my $win = $layout->{$_->{name}} = { };
57
58 $win->{x} = ($_->{x} + $_->{w} * 0.5) / $::WIDTH if $_->{x} =~ /^[0-9.]+$/;
59 $win->{y} = ($_->{y} + $_->{h} * 0.5) / $::HEIGHT if $_->{y} =~ /^[0-9.]+$/;
60 $win->{w} = $_->{w} / $::WIDTH if defined $_->{w};
61 $win->{h} = $_->{h} / $::HEIGHT if defined $_->{h};
62
63 $win->{show} = $_->{visible} && $_->{is_toplevel};
64 }
65
66 $layout
67}
68
69sub set_layout {
70 my ($layout) = @_;
71
72 $LAYOUT = $layout;
73}
7 74
8# class methods for events 75# class methods for events
9sub feed_sdl_key_down_event { $FOCUS->key_down ($_[0]) if $FOCUS } 76sub feed_sdl_key_down_event {
10sub feed_sdl_key_up_event { $FOCUS->key_up ($_[0]) if $FOCUS } 77 $FOCUS->emit (key_down => $_[0])
11sub feed_sdl_button_down_event { $FOCUS->button_down ($_[0]) if $FOCUS } 78 if $FOCUS;
12sub feed_sdl_button_up_event { $FOCUS->button_up ($_[0]) if $FOCUS } 79}
80
81sub feed_sdl_key_up_event {
82 $FOCUS->emit (key_up => $_[0])
83 if $FOCUS;
84}
85
86sub check_hover {
87 my ($widget) = @_;
88
89 if ($widget != $HOVER) {
90 my $hover = $HOVER; $HOVER = $widget;
91
92 $hover->update if $hover && $hover->{can_hover};
93 $HOVER->update if $HOVER && $HOVER->{can_hover};
94
95 $TOOLTIP_WATCHER->again;
96 }
97}
98
99sub feed_sdl_button_down_event {
100 my ($ev) = @_;
101 my ($x, $y) = ($ev->{x}, $ev->{y});
102
103 $BUTTON_STATE |= 1 << ($ev->{button} - 1);
104
105 unless ($GRAB) {
106 my $widget = $ROOT->find_widget ($x, $y);
107
108 $GRAB = $widget;
109 $GRAB->update if $GRAB;
110
111 $TOOLTIP_WATCHER->invoke;
112 }
113
114 if ($GRAB) {
115 if ($ev->{button} == 4 || $ev->{button} == 5) {
116 # mousewheel
117 my $delta = $ev->{button} * 2 - 9;
118 my $shift = $ev->{mod} & DC::KMOD_SHIFT;
119
120 $ev->{dx} = $shift ? $delta : 0;
121 $ev->{dy} = $shift ? 0 : $delta;
122
123 $GRAB->emit (mouse_wheel => $ev);
124 } else {
125 $GRAB->emit (button_down => $ev)
126 }
127 }
128}
129
130sub feed_sdl_button_up_event {
131 my ($ev) = @_;
132
133 my $widget = $GRAB || $ROOT->find_widget ($ev->{x}, $ev->{y});
134
135 $BUTTON_STATE &= ~(1 << ($ev->{button} - 1));
136
137 $GRAB->emit (button_up => $ev)
138 if $GRAB && $ev->{button} != 4 && $ev->{button} != 5;
139
140 unless ($BUTTON_STATE) {
141 my $grab = $GRAB; undef $GRAB;
142 $grab->update if $grab;
143 $GRAB->update if $GRAB;
144
145 check_hover $widget;
146 $TOOLTIP_WATCHER->invoke;
147 }
148}
149
150sub feed_sdl_motion_event {
151 my ($ev) = @_;
152 my ($x, $y) = ($ev->{x}, $ev->{y});
153
154 my $widget = $GRAB || $ROOT->find_widget ($x, $y);
155
156 check_hover $widget;
157
158 $HOVER->emit (mouse_motion => $ev)
159 if $HOVER;
160}
161
162# convert position array to integers
163sub harmonize {
164 my ($vals) = @_;
165
166 my $rem = 0;
167
168 for (@$vals) {
169 my $i = int $_ + $rem;
170 $rem += $_ - $i;
171 $_ = $i;
172 }
173}
174
175sub full_refresh {
176 # make a copy, otherwise for complains about freed values.
177 my @widgets = values %WIDGET;
178
179 $_->update
180 for @widgets;
181}
182
183sub reconfigure_widgets {
184 # make a copy, otherwise C<for> complains about freed values.
185 my @widgets = values %WIDGET;
186
187 $_->reconfigure
188 for @widgets;
189}
190
191# call when resolution changes etc.
192sub rescale_widgets {
193 my ($sx, $sy) = @_;
194
195 for my $widget (values %WIDGET) {
196 if ($widget->{is_toplevel} || $widget->{c_rescale}) {
197 $widget->{x} += int $widget->{w} * 0.5 if $widget->{x} =~ /^[0-9.]+$/;
198 $widget->{y} += int $widget->{h} * 0.5 if $widget->{y} =~ /^[0-9.]+$/;
199
200 $widget->{x} = int 0.5 + $widget->{x} * $sx if $widget->{x} =~ /^[0-9.]+$/;
201 $widget->{w} = int 0.5 + $widget->{w} * $sx if exists $widget->{w};
202 $widget->{force_w} = int 0.5 + $widget->{force_w} * $sx if exists $widget->{force_w};
203 $widget->{y} = int 0.5 + $widget->{y} * $sy if $widget->{y} =~ /^[0-9.]+$/;
204 $widget->{h} = int 0.5 + $widget->{h} * $sy if exists $widget->{h};
205 $widget->{force_h} = int 0.5 + $widget->{force_h} * $sy if exists $widget->{force_h};
206
207 $widget->{x} -= int $widget->{w} * 0.5 if $widget->{x} =~ /^[0-9.]+$/;
208 $widget->{y} -= int $widget->{h} * 0.5 if $widget->{y} =~ /^[0-9.]+$/;
209
210 }
211 }
212
213 reconfigure_widgets;
214}
215
216#############################################################################
217
218package DC::UI::Event;
219
220sub xy {
221 $_[1]->coord2local ($_[0]{x}, $_[0]{y})
222}
223
224#############################################################################
225
226package DC::UI::Base;
227
228use strict;
229
230use DC::OpenGL;
13 231
14sub new { 232sub new {
15 my $class = shift; 233 my $class = shift;
16 234
17 bless { @_ }, $class 235 my $self = bless {
18} 236 x => "center",
237 y => "center",
238 z => 0,
239 w => undef,
240 h => undef,
241 can_events => 1,
242 @_
243 }, $class;
19 244
20sub activate { 245 DC::weaken ($DC::UI::WIDGET{$self+0} = $self);
21 $ACTIVE_WIDGETS{$_[0]} = $_[0];
22}
23 246
24sub deactivate { 247 for (keys %$self) {
25 delete $ACTIVE_WIDGETS{$_[0]}; 248 if (/^on_(.*)$/) {
26} 249 $self->connect ($1 => delete $self->{$_});
250 }
251 }
27 252
28sub focus_in { 253 if (my $layout = $DC::UI::LAYOUT->{$self->{name}}) {
254 $self->{x} = $layout->{x} * $DC::UI::ROOT->{alloc_w} if exists $layout->{x};
255 $self->{y} = $layout->{y} * $DC::UI::ROOT->{alloc_h} if exists $layout->{y};
256 $self->{force_w} = $layout->{w} * $DC::UI::ROOT->{alloc_w} if exists $layout->{w};
257 $self->{force_h} = $layout->{h} * $DC::UI::ROOT->{alloc_h} if exists $layout->{h};
258
259 $self->{x} -= $self->{force_w} * 0.5 if exists $layout->{x};
260 $self->{y} -= $self->{force_h} * 0.5 if exists $layout->{y};
261
262 $self->show if $layout->{show};
263 }
264
265 $self
266}
267
268sub destroy {
29 my ($widget) = @_; 269 my ($self) = @_;
270
271 $self->hide;
272 $self->emit ("destroy");
273 %$self = ();
274}
275
276sub TO_JSON {
277 { "\fw" => $_[0]{s_id} }
278}
279
280sub show {
281 my ($self) = @_;
282
283 return if $self->{parent};
284
285 $DC::UI::ROOT->add ($self);
286}
287
288sub set_visible {
289 my ($self) = @_;
290
291 return if $self->{visible};
292
293 $self->{parent} && $self->{parent}{root}#d#
294 or return ::clienterror ("set_visible called without parent ($self->{parent}) or root\n" => 1);
295
296 $self->{root} = $self->{parent}{root};
297 $self->{visible} = $self->{parent}{visible} + 1;
298
299 $self->emit (visibility_change => 1);
300
301 $self->realloc if !exists $self->{req_w};
302
303 $_->set_visible for $self->visible_children;
304}
305
306sub set_invisible {
307 my ($self) = @_;
308
309 return unless $self->{visible};
310
311 $_->set_invisible for $self->children;
312
313 delete $self->{visible};
314 delete $self->{root};
315
316 undef $GRAB if $GRAB == $self;
317 undef $HOVER if $HOVER == $self;
318
319 $DC::UI::TOOLTIP_WATCHER->invoke
320 if $TOOLTIP->{owner} == $self;
321
322 $self->emit ("focus_out");
323 $self->emit (visibility_change => 0);
324}
325
326sub set_visibility {
327 my ($self, $visible) = @_;
328
329 return if $self->{visible} == $visible;
330
331 $visible ? $self->show
332 : $self->hide;
333}
334
335sub toggle_visibility {
336 my ($self) = @_;
337
338 $self->{visible}
339 ? $self->hide
340 : $self->show;
341}
342
343sub hide {
344 my ($self) = @_;
345
346 $self->set_invisible;
347
348 # extra $parent copy for 5.8.8+ bug workaround
349 # (otherwise $_[0] in remove gets freed
350 if (my $parent = $self->{parent}) {
351 $parent->remove ($self);
352 }
353}
354
355sub move_abs {
356 my ($self, $x, $y, $z) = @_;
357
358 $self->{x} = List::Util::max 0, List::Util::min $self->{root}{w} - $self->{w}, int $x;
359 $self->{y} = List::Util::max 0, List::Util::min $self->{root}{h} - $self->{h}, int $y;
360 $self->{z} = $z if defined $z;
361
362 $self->update;
363}
364
365sub set_size {
366 my ($self, $w, $h) = @_;
367
368 $self->{force_w} = $w;
369 $self->{force_h} = $h;
370
371 $self->realloc;
372}
373
374# traverse the widget chain up to find the maximum "physical" size constraints
375sub get_max_wh {
376 my ($self) = @_;
377
378 my ($w, $h) = @$self{qw(max_w max_h)};
379
380 if ($w <= 0 || $h <= 0) {
381 my ($mw, $mh) = $self->{parent}
382 ? $self->{parent}->get_max_wh
383 : ($::WIDTH, $::HEIGHT);
384
385 $w = $mw if $w <= 0;
386 $h = $mh if $h <= 0;
387 }
388
389 ($w, $h)
390}
391
392sub size_request {
393 require Carp;
394 Carp::confess "size_request is abstract";
395}
396
397sub baseline_shift {
398 0
399}
400
401sub configure {
402 my ($self, $x, $y, $w, $h) = @_;
403
404 if ($self->{aspect}) {
405 my ($ow, $oh) = ($w, $h);
406
407 $w = List::Util::min $w, DC::ceil $h * $self->{aspect};
408 $h = List::Util::min $h, DC::ceil $w / $self->{aspect};
409
410 # use alignment to adjust x, y
411
412 $x += int 0.5 * ($ow - $w);
413 $y += int 0.5 * ($oh - $h);
414 }
415
416 if ($self->{x} ne $x || $self->{y} ne $y) {
417 $self->{x} = $x;
418 $self->{y} = $y;
419 $self->update;
420 }
421
422 if ($self->{alloc_w} != $w || $self->{alloc_h} != $h) {
423 return unless $self->{visible};
424
425 $self->{alloc_w} = $w;
426 $self->{alloc_h} = $h;
427
428 $self->{root}{size_alloc}{$self+0} = $self;
429 }
430}
431
432sub children {
433 # nop
434}
435
436sub visible_children {
437 $_[0]->children
438}
439
440sub set_max_size {
441 my ($self, $w, $h) = @_;
442
443 $self->{max_w} = int $w if defined $w;
444 $self->{max_h} = int $h if defined $h;
445
446 $self->realloc;
447}
448
449sub set_tooltip {
450 my ($self, $tooltip) = @_;
451
452 $tooltip =~ s/^\s+//;
453 $tooltip =~ s/\s+$//;
454
455 return if $self->{tooltip} eq $tooltip;
456
457 $self->{tooltip} = $tooltip;
458
459 if ($DC::UI::TOOLTIP->{owner} == $self) {
460 delete $DC::UI::TOOLTIP->{owner};
461 $DC::UI::TOOLTIP_WATCHER->invoke;
462 }
463}
464
465# translate global coordinates to local coordinate system
466sub coord2local {
467 my ($self, $x, $y) = @_;
468
469 return (undef, undef) unless $self->{parent};
470
471 $self->{parent}->coord2local ($x - $self->{x}, $y - $self->{y})
472}
473
474# translate local coordinates to global coordinate system
475sub coord2global {
476 my ($self, $x, $y) = @_;
477
478 return (undef, undef) unless $self->{parent};
479
480 $self->{parent}->coord2global ($x + $self->{x}, $y + $self->{y})
481}
482
483sub invoke_focus_in {
484 my ($self) = @_;
485
486 return if $FOCUS == $self;
487 return unless $self->{can_focus};
488
30 $FOCUS = $widget; 489 $FOCUS = $self;
31}
32 490
491 $self->update;
492
493 0
494}
495
33sub focus_out { 496sub invoke_focus_out {
34 my ($widget) = @_; 497 my ($self) = @_;
35}
36 498
37sub key_down { 499 return unless $FOCUS == $self;
38 my ($widget, $sdlev) = @_;
39}
40 500
41sub key_up { 501 undef $FOCUS;
42 my ($widget, $sdlev) = @_;
43}
44 502
503 $self->update;
504
505 $::MAPWIDGET->grab_focus #d# focus mapwidget if no other widget has focus
506 unless $FOCUS;
507
508 0
509}
510
511sub grab_focus {
512 my ($self) = @_;
513
514 $FOCUS->emit ("focus_out") if $FOCUS;
515 $self->emit ("focus_in");
516}
517
518sub invoke_mouse_motion { 0 }
519sub invoke_button_up { 0 }
520sub invoke_key_down { 0 }
521sub invoke_key_up { 0 }
522sub invoke_mouse_wheel { 0 }
523
45sub button_down { 524sub invoke_button_down {
46 my ($widget, $sdlev) = @_; 525 my ($self, $ev, $x, $y) = @_;
47}
48 526
49sub button_up { 527 $self->grab_focus;
50 my ($widget, $sdlev) = @_;
51}
52 528
529 0
530}
531
532sub connect {
533 my ($self, $signal, $cb) = @_;
534
535 push @{ $self->{signal_cb}{$signal} }, $cb;
536
537 defined wantarray and Guard::guard {
538 @{ $self->{signal_cb}{$signal} } = grep $_ != $cb,
539 @{ $self->{signal_cb}{$signal} };
540 }
541}
542
543sub disconnect_all {
544 my ($self, $signal) = @_;
545
546 delete $self->{signal_cb}{$signal};
547}
548
549my %has_coords = (
550 button_down => 1,
551 button_up => 1,
552 mouse_motion => 1,
553 mouse_wheel => 1,
554);
555
556sub emit {
557 my ($self, $signal, @args) = @_;
558
559 # I do not really like this solution, but I do not like duplication
560 # and needlessly verbose code, either.
561 my @append
562 = $has_coords{$signal}
563 ? $args[0]->xy ($self)
564 : ();
565
566 #warn +(caller(1))[3] . "emit $signal on $self (parent $self->{parent})\n";#d#
567
568 for my $cb (
569 @{$self->{signal_cb}{$signal} || []}, # before
570 ($self->can ("invoke_$signal") || sub { 1 }), # closure
571 ) {
572 return $cb->($self, @args, @append) || next;
573 }
574
575 # parent
576 $self->{parent} && $self->{parent}->emit ($signal, @args)
577}
578
579#sub find_widget {
580# in .xs
581
582sub set_parent {
583 my ($self, $parent) = @_;
584
585 DC::weaken ($self->{parent} = $parent);
586 $self->set_visible if $parent->{visible};
587}
588
589sub realloc {
590 my ($self) = @_;
591
592 if ($self->{visible}) {
593 return if $self->{root}{realloc}{$self+0};
594
595 $self->{root}{realloc}{$self+0} = $self;
596 $self->{root}->update;
597 } else {
598 delete $self->{req_w};
599 delete $self->{req_h};
600 }
601}
602
603sub update {
604 my ($self) = @_;
605
606 $self->{parent}->update
607 if $self->{parent};
608}
609
610sub reconfigure {
611 my ($self) = @_;
612
613 $self->realloc;
614 $self->update;
615}
616
617# using global variables seems a bit hacky, but passing through all drawing
618# functions seems pointless.
619our ($draw_x, $draw_y, $draw_w, $draw_h); # screen rectangle being drawn
620
53sub draw { 621#sub draw {
622#CFPlus.xs
623
624sub _draw {
54 my ($widget) = @_; 625 my ($self) = @_;
55}
56 626
57sub bbox { 627 warn "no draw defined for $self\n";
628}
629
630sub DESTROY {
58 my ($widget) = @_; 631 my ($self) = @_;
59}
60 632
61package Crossfire::Client::Widget::Label; 633 return if DC::in_destruct;
62 634
635 local $@;
636 eval { $self->destroy };
637 warn "exception during widget destruction: $@" if $@ & $@ != /during global destruction/;
638
639 delete $WIDGET{$self+0};
640}
641
642#############################################################################
643
644package DC::UI::DrawBG;
645
646our @ISA = DC::UI::Base::;
647
648use strict;
63use SDL::OpenGL; 649use DC::OpenGL;
64 650
65sub new { 651sub new {
66 my ($class, $ttf, $text) = @_; 652 my $class = shift;
67 653
654 $class->SUPER::new (
655 #bg => [0, 0, 0, 0.2],
656 #active_bg => [1, 1, 1, 0.5],
657 @_
658 )
659}
660
661sub set_bg {
662 my ($self, $bg) = @_;
663
664 $self->{bg} = $bg;
665 $self->update;
666}
667
668sub _draw {
669 my ($self) = @_;
670
671 my $color = $FOCUS == $self && $self->{active_bg}
672 ? $self->{active_bg}
673 : $self->{bg};
674
675 if ($color && (@$color < 4 || $color->[3])) {
676 my ($w, $h) = @$self{qw(w h)};
677
678 glEnable GL_BLEND;
679 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
680 glColor_premultiply @$color;
681 glRect 0, 0, $w, $h;
682 glDisable GL_BLEND;
683 }
684}
685
686#############################################################################
687
688package DC::UI::Empty;
689
690our @ISA = DC::UI::Base::;
691
692sub new {
693 my ($class, %arg) = @_;
694 $class->SUPER::new (can_events => 0, %arg);
695}
696
697sub size_request {
698 my ($self) = @_;
699
700 ($self->{w} + 0, $self->{h} + 0)
701}
702
703sub draw { }
704
705#############################################################################
706
707package DC::UI::Container;
708
709our @ISA = DC::UI::Base::;
710
711sub new {
712 my ($class, %arg) = @_;
713
714 my $children = delete $arg{children};
715
68 my $self = $class->SUPER::new; 716 my $self = $class->SUPER::new (
717 children => [],
718 can_events => 0,
719 %arg,
720 );
69 721
70 $self->{texture} = new_from_ttf Crossfire::Client::Texture $ttf, $text; 722 $self->add (@$children)
723 if $children && @$children;
71 724
72 $self 725 $self
73} 726}
74 727
728sub realloc {
729 my ($self) = @_;
730
731 $self->{force_realloc} = 1;
732 $self->{force_size_alloc} = 1;
733 $self->SUPER::realloc;
734}
735
736sub add {
737 my ($self, @widgets) = @_;
738
739 $_->set_parent ($self)
740 for @widgets;
741
742 # TODO: only do this in widgets that need it, e.g. root, fixed
743 use sort 'stable';
744
745 $self->{children} = [
746 sort { $a->{z} <=> $b->{z} }
747 @{$self->{children}}, @widgets
748 ];
749
750 $self->realloc;
751
752 $self->emit (c_add => \@widgets);
753
754 map $_+0, @widgets
755}
756
757sub children {
758 @{ $_[0]{children} }
759}
760
761sub remove {
762 my ($self, @widgets) = @_;
763
764 $self->emit (c_remove => \@widgets);
765
766 for my $child (@widgets) {
767 delete $child->{parent};
768 $child->hide;
769 $self->{children} = [ grep $_ != $child, @{ $self->{children} } ];
770 }
771
772 $self->realloc;
773}
774
775sub clear {
776 my ($self) = @_;
777
778 my $children = $self->{children};
779 $self->{children} = [];
780
781 for (@$children) {
782 delete $_->{parent};
783 $_->hide;
784 }
785
786 $self->realloc;
787}
788
789sub find_widget {
790 my ($self, $x, $y) = @_;
791
792 $x -= $self->{x};
793 $y -= $self->{y};
794
795 my $res;
796
797 for (reverse $self->visible_children) {
798 $res = $_->find_widget ($x, $y)
799 and return $res;
800 }
801
802 $self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
803}
804
75sub draw { 805sub _draw {
806 my ($self) = @_;
807
808 $_->draw for $self->visible_children;
809}
810
811#############################################################################
812
813package DC::UI::Bin;
814
815our @ISA = DC::UI::Container::;
816
817sub new {
818 my ($class, %arg) = @_;
819
820 my $child = (delete $arg{child}) || new DC::UI::Empty::;
821
822 $class->SUPER::new (children => [$child], %arg)
823}
824
825sub add {
76 my ($self) = @_; 826 my ($self, $child) = @_;
77 827
828 $self->clear;
829 $self->SUPER::add ($child);
830}
831
832sub remove {
833 my ($self, $widget) = @_;
834
835 $self->SUPER::remove ($widget);
836
837 $self->{children} = [new DC::UI::Empty]
838 unless @{$self->{children}};
839}
840
841sub child { $_[0]->{children}[0] }
842
843sub size_request {
844 $_[0]{children}[0]->size_request
845}
846
847sub invoke_size_allocate {
848 my ($self, $w, $h) = @_;
849
850 $self->{children}[0]->configure (0, 0, $w, $h);
851
852 1
853}
854
855#############################################################################
856# back-buffered drawing area
857
858package DC::UI::Window;
859
860our @ISA = DC::UI::Bin::;
861
862use DC::OpenGL;
863
864sub new {
865 my ($class, %arg) = @_;
866
867 my $self = $class->SUPER::new (%arg);
868}
869
870sub update {
871 my ($self) = @_;
872
873 $ROOT->on_post_alloc ($self => sub { $self->render_child });
874 $self->SUPER::update;
875}
876
877sub invoke_size_allocate {
878 my ($self, $w, $h) = @_;
879
880 $self->update;
881
882 $self->SUPER::invoke_size_allocate ($w, $h)
883}
884
885sub _render {
886 my ($self) = @_;
887
888 $self->{children}[0]->draw;
889}
890
891sub render_child {
892 my ($self) = @_;
893
894 $self->{texture} = new_from_opengl DC::Texture $self->{w}, $self->{h}, sub {
895 glClearColor 0, 0, 0, 0;
896 glClear GL_COLOR_BUFFER_BIT;
897
898 {
899 package DC::UI::Base;
900
901 local ($draw_x, $draw_y, $draw_w, $draw_h) =
902 (0, 0, $self->{w}, $self->{h});
903
904 $self->_render;
905 }
906 };
907}
908
909sub _draw {
910 my ($self) = @_;
911
78 my $tex = $self->{texture}; 912 my $tex = $self->{texture}
913 or return;
79 914
80 glEnable GL_TEXTURE_2D; 915 glEnable GL_TEXTURE_2D;
81 glBindTexture GL_TEXTURE_2D, $tex->{name}; 916 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
917 glColor 0, 0, 0, 1;
82 918
83 glBegin GL_QUADS; 919 $tex->draw_quad_alpha_premultiplied (0, 0);
84 glTexCoord 0, 0; glVertex 0 , 0; 920
85 glTexCoord 0, 1; glVertex 0 , $tex->{height}; 921 glDisable GL_TEXTURE_2D;
86 glTexCoord 1, 1; glVertex $tex->{width}, $tex->{height}; 922}
87 glTexCoord 1, 0; glVertex $tex->{width}, 0; 923
924#############################################################################
925
926package DC::UI::ViewPort;
927
928use List::Util qw(min max);
929
930our @ISA = DC::UI::Window::;
931
932sub new {
933 my $class = shift;
934
935 $class->SUPER::new (
936 scroll_x => 0,
937 scroll_y => 1,
938 @_,
939 )
940}
941
942sub size_request {
943 my ($self) = @_;
944
945 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
946
947 $w = 1 if $self->{scroll_x};
948 $h = 1 if $self->{scroll_y};
949
950 ($w, $h)
951}
952
953sub invoke_size_allocate {
954 my ($self, $w, $h) = @_;
955
956 my $child = $self->child;
957
958 $w = $child->{req_w} if $self->{scroll_x} && $child->{req_w};
959 $h = $child->{req_h} if $self->{scroll_y} && $child->{req_h};
960
961 $self->child->configure (0, 0, $w, $h);
962 $self->update;
963
964 1
965}
966
967sub set_offset {
968 my ($self, $x, $y) = @_;
969
970 my $x = max 0, min $self->child->{w} - $self->{w}, int $x;
971 my $y = max 0, min $self->child->{h} - $self->{h}, int $y;
972
973 if ($x != $self->{view_x} or $y != $self->{view_y}) {
974 $self->{view_x} = $x;
975 $self->{view_y} = $y;
976
977 $self->emit (changed => $x, $y);
978 $self->update;
979 }
980}
981
982sub set_center {
983 my ($self, $x, $y) = @_;
984
985 $self->set_offset ($x - $self->{w} * .5, $y - $self->{h} * .5);
986}
987
988sub make_visible {
989 my ($self, $x, $y, $border) = @_;
990
991 if ( $x < $self->{view_x} + $self->{w} * $border
992 || $x > $self->{view_x} + $self->{w} * (1 - $border)
993 || $y < $self->{view_y} + $self->{h} * $border
994 || $y > $self->{view_y} + $self->{h} * (1 - $border)
995 ) {
996 $self->set_center ($x, $y);
997 }
998}
999
1000# hmm, this does not work for topleft of $self... but we should not ask for that
1001sub coord2local {
1002 my ($self, $x, $y) = @_;
1003
1004 $self->SUPER::coord2local ($x + $self->{view_x}, $y + $self->{view_y})
1005}
1006
1007sub coord2global {
1008 my ($self, $x, $y) = @_;
1009
1010 $x = List::Util::min $self->{w}, $x - $self->{view_x};
1011 $y = List::Util::min $self->{h}, $y - $self->{view_y};
1012
1013 $self->SUPER::coord2global ($x, $y)
1014}
1015
1016sub find_widget {
1017 my ($self, $x, $y) = @_;
1018
1019 if ( $x >= $self->{x} && $x < $self->{x} + $self->{w}
1020 && $y >= $self->{y} && $y < $self->{y} + $self->{h}
1021 ) {
1022 $self->child->find_widget ($x + $self->{view_x}, $y + $self->{view_y})
1023 } else {
1024 $self->DC::UI::Base::find_widget ($x, $y)
1025 }
1026}
1027
1028sub _render {
1029 my ($self) = @_;
1030
1031 local $DC::UI::Base::draw_x = $DC::UI::Base::draw_x - $self->{view_x};
1032 local $DC::UI::Base::draw_y = $DC::UI::Base::draw_y - $self->{view_y};
1033
1034 DC::OpenGL::glTranslate -$self->{view_x}, -$self->{view_y};
1035
1036 $self->SUPER::_render;
1037}
1038
1039#############################################################################
1040
1041package DC::UI::ScrolledWindow;
1042
1043our @ISA = DC::UI::Table::;
1044
1045sub new {
1046 my ($class, %arg) = @_;
1047
1048 my $child = delete $arg{child};
1049
1050 my $self;
1051
1052 my $hslider = new DC::UI::Slider
1053 c_col => 0,
1054 c_row => 1,
1055 vertical => 0,
1056 range => [0, 0, 1, 0.01], # HACK fix
1057 on_changed => sub {
1058 $self->{hpos} = $_[1];
1059 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1060 },
1061 ;
1062
1063 my $vslider = new DC::UI::Slider
1064 c_col => 1,
1065 c_row => 0,
1066 vertical => 1,
1067 range => [0, 0, 1, 0.01], # HACK fix
1068 on_changed => sub {
1069 $self->{vpos} = $_[1];
1070 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1071 },
1072 ;
1073
1074 $self = $class->SUPER::new (
1075 scroll_x => 0,
1076 scroll_y => 1,
1077 can_events => 1,
1078 hslider => $hslider,
1079 vslider => $vslider,
1080 col_expand => [1, 0],
1081 row_expand => [1, 0],
1082 %arg,
1083 );
1084
1085 $self->{vp} = new DC::UI::ViewPort
1086 c_col => 0,
1087 c_row => 0,
1088 expand => 1,
1089 scroll_x => $self->{scroll_x},
1090 scroll_y => $self->{scroll_y},
1091 on_changed => sub {
1092 my ($vp, $x, $y) = @_;
1093
1094 $vp->{parent}{hslider}->set_value ($x);
1095 $vp->{parent}{vslider}->set_value ($y);
1096
1097 0
1098 },
1099 on_size_allocate => sub {
1100 my ($vp, $w, $h) = @_;
1101 $vp->{parent}->update_slider;
1102 0
1103 },
1104 ;
1105
1106 $self->SUPER::add ($self->{vp});
1107
1108 $self->add ($child) if $child;
1109
1110 $self
1111}
1112
1113sub add {
1114 my ($self, $widget) = @_;
1115
1116 $self->{vp}->add ($self->{child} = $widget);
1117}
1118
1119sub set_offset { shift->{vp}->set_offset (@_) }
1120sub set_center { shift->{vp}->set_center (@_) }
1121sub make_visible { shift->{vp}->make_visible (@_) }
1122
1123sub update_slider {
1124 my ($self) = @_;
1125
1126 my $child = ($self->{vp} or return)->child;
1127
1128 if ($self->{scroll_x}) {
1129 my ($w1, $w2) = ($child->{req_w}, $self->{vp}{w});
1130 $self->{hslider}->set_range ([$self->{hslider}{range}[0], 0, $w1, $w2, 1]);
1131
1132 my $visible = $w1 > $w2;
1133 if ($visible != $self->{hslider_visible}) {
1134 $self->{hslider_visible} = $visible;
1135 $visible ? $self->SUPER::add ($self->{hslider})
1136 : $self->SUPER::remove ($self->{hslider});
1137 }
1138 }
1139
1140 if ($self->{scroll_y}) {
1141 my ($h1, $h2) = ($child->{req_h}, $self->{vp}{h});
1142 $self->{vslider}->set_range ([$self->{vslider}{range}[0], 0, $h1, $h2, 1]);
1143
1144 my $visible = $h1 > $h2;
1145 if ($visible != $self->{vslider_visible}) {
1146 $self->{vslider_visible} = $visible;
1147 $visible ? $self->SUPER::add ($self->{vslider})
1148 : $self->SUPER::remove ($self->{vslider});
1149 }
1150 }
1151}
1152
1153sub start_dragging {
1154 my ($self, $ev) = @_;
1155
1156 $self->grab_focus;
1157
1158 my $ox = $self->{vp}{view_x};
1159 my $oy = $self->{vp}{view_y};
1160
1161 $self->{motion} = sub {
1162 my ($ev, $x, $y) = @_;
1163
1164 $ox -= $ev->{xrel};
1165 $oy -= $ev->{yrel};
1166
1167 $self->{vp}->set_offset ($ox, $oy);
1168 };
1169}
1170
1171sub invoke_mouse_wheel {
1172 my ($self, $ev) = @_;
1173
1174 $self->{vslider}->emit (mouse_wheel => $ev) if $self->{vslider_visible};
1175 $self->{hslider}->emit (mouse_wheel => $ev) if $self->{hslider_visible};
1176
1177 1
1178}
1179
1180sub invoke_button_down {
1181 my ($self, $ev, $x, $y) = @_;
1182
1183 if ($ev->{button} == 2) {
1184 $self->start_dragging ($ev);
1185 return 1;
1186 }
1187
1188 0
1189}
1190
1191sub invoke_button_up {
1192 my ($self, $ev, $x, $y) = @_;
1193
1194 if (delete $self->{motion}) {
1195 return 1;
1196 }
1197
1198 0
1199}
1200
1201sub invoke_mouse_motion {
1202 my ($self, $ev, $x, $y) = @_;
1203
1204 if ($self->{motion}) {
1205 $self->{motion}->($ev, $x, $y);
1206 return 1;
1207 }
1208
1209 0
1210}
1211
1212sub invoke_size_allocate {
1213 my ($self, $w, $h) = @_;
1214
1215 $self->update_slider;
1216 $self->SUPER::invoke_size_allocate ($w, $h)
1217}
1218
1219#############################################################################
1220
1221package DC::UI::Frame;
1222
1223our @ISA = DC::UI::Bin::;
1224
1225use DC::OpenGL;
1226
1227sub new {
1228 my $class = shift;
1229
1230 $class->SUPER::new (
1231 bg => undef,
1232 @_,
1233 )
1234}
1235
1236sub _draw {
1237 my ($self) = @_;
1238
1239 if ($self->{bg}) {
1240 my ($w, $h) = @$self{qw(w h)};
1241
1242 glEnable GL_BLEND;
1243 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
1244 glColor_premultiply @{ $self->{bg} };
1245 glRect 0, 0, $w, $h;
1246 glDisable GL_BLEND;
1247 }
1248
1249 $self->SUPER::_draw;
1250}
1251
1252#############################################################################
1253
1254package DC::UI::FancyFrame;
1255
1256our @ISA = DC::UI::Bin::;
1257
1258use DC::OpenGL;
1259
1260sub new {
1261 my ($class, %arg) = @_;
1262
1263 if ((exists $arg{label}) && !ref $arg{label}) {
1264 $arg{label} = new DC::UI::Label
1265 align => 1,
1266 valign => 0.5,
1267 text => $arg{label},
1268 fontsize => ($arg{border} || 0.8) * 0.75;
1269 }
1270
1271 my $self = $class->SUPER::new (
1272 # label => "",
1273 fg => undef,
1274 border => 0.8,
1275 style => 'single',
1276 %arg,
1277 );
1278
1279 $self
1280}
1281
1282sub add {
1283 my ($self, @widgets) = @_;
1284
1285 $self->SUPER::add (@widgets);
1286 $self->DC::UI::Container::add ($self->{label}) if $self->{label};
1287}
1288
1289sub border {
1290 int $_[0]{border} * $::FONTSIZE
1291}
1292
1293sub size_request {
1294 my ($self) = @_;
1295
1296 ($self->{label_w}, undef) = $self->{label}->size_request
1297 if $self->{label};
1298
1299 my ($w, $h) = $self->SUPER::size_request;
1300
1301 (
1302 $w + $self->border * 2,
1303 $h + $self->border * 2,
1304 )
1305}
1306
1307sub invoke_size_allocate {
1308 my ($self, $w, $h) = @_;
1309
1310 my $border = $self->border;
1311
1312 $w -= List::Util::max 0, $border * 2;
1313 $h -= List::Util::max 0, $border * 2;
1314
1315 if (my $label = $self->{label}) {
1316 $label->{w} = List::Util::max 0, List::Util::min $self->{label_w}, $w - $border * 2;
1317 $label->{h} = List::Util::min $h, $border;
1318 $label->invoke_size_allocate ($label->{w}, $label->{h});
1319 }
1320
1321 $self->child->configure ($border, $border, $w, $h);
1322
1323 1
1324}
1325
1326sub _draw {
1327 my ($self) = @_;
1328
1329 my $child = $self->{children}[0];
1330
1331 my $border = $self->border;
1332 my ($w, $h) = ($self->{w}, $self->{h});
1333
1334 $child->draw;
1335
1336 glColor @{$self->{fg} || $DC::THEME{fancyframe}};
1337 glBegin GL_LINE_STRIP;
1338 glVertex $border * 1.5 , $border * 0.5 + 0.5;
1339 glVertex $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1340 glVertex $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1341 glVertex $w - $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1342 glVertex $w - $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1343 glVertex $self->{label} ? $border * 2 + $self->{label}{w} : $border * 1.5, $border * 0.5 + 0.5;
88 glEnd; 1344 glEnd;
89 1345
1346 if ($self->{label}) {
1347 glTranslate $border * 2, 0;
1348 $self->{label}->_draw;
1349 }
1350}
1351
1352#############################################################################
1353
1354package DC::UI::Toplevel;
1355
1356our @ISA = DC::UI::Bin::;
1357
1358use DC::OpenGL;
1359
1360my $bg =
1361 new_from_resource DC::Texture "d1_bg.png",
1362 mipmap => 1, wrap => 1;
1363
1364my @border =
1365 map { new_from_resource DC::Texture $_, mipmap => 1 }
1366 qw(d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
1367
1368my @icon =
1369 map { new_from_resource DC::Texture $_, mipmap => 1 }
1370 qw(x1_move.png x1_resize.png);
1371
1372sub new {
1373 my ($class, %arg) = @_;
1374
1375 my $self = $class->SUPER::new (
1376 bg => [1, 1, 1, 1],
1377 border_bg => [1, 1, 1, 1],
1378 border => 0.8,
1379 can_events => 1,
1380 min_w => 64,
1381 min_h => 32,
1382 %arg,
1383 );
1384
1385 $self->{title_widget} = new DC::UI::Label
1386 align => 0.5,
1387 valign => 1,
1388 text => $self->{title},
1389 fontsize => $self->{border},
1390 if exists $self->{title};
1391
1392 if ($self->{has_close_button}) {
1393 $self->{close_button} =
1394 new DC::UI::ImageButton
1395 path => 'x1_close.png',
1396 on_activate => sub { $self->emit ("delete") };
1397
1398 $self->DC::UI::Container::add ($self->{close_button});
1399 }
1400
1401 $self
1402}
1403
1404sub add {
1405 my ($self, @widgets) = @_;
1406
1407 $self->SUPER::add (@widgets);
1408 $self->DC::UI::Container::add ($self->{close_button}) if $self->{close_button};
1409 $self->DC::UI::Container::add ($self->{title_widget}) if $self->{title_widget};
1410}
1411
1412sub border {
1413 int $_[0]{border} * $::FONTSIZE
1414}
1415
1416sub get_max_wh {
1417 my ($self) = @_;
1418
1419 return ($self->{w}, $self->{h})
1420 if $self->{visible} && $self->{w};
1421
1422 $self->SUPER::get_max_wh
1423}
1424
1425sub size_request {
1426 my ($self) = @_;
1427
1428 $self->{title_widget}->size_request
1429 if $self->{title_widget};
1430
1431 $self->{close_button}->size_request
1432 if $self->{close_button};
1433
1434 my ($w, $h) = $self->SUPER::size_request;
1435
1436 (
1437 $w + $self->border * 2,
1438 $h + $self->border * 2,
1439 )
1440}
1441
1442sub invoke_size_allocate {
1443 my ($self, $w, $h) = @_;
1444
1445 if ($self->{title_widget}) {
1446 $self->{title_widget}{w} = $w;
1447 $self->{title_widget}{h} = $h;
1448 $self->{title_widget}->invoke_size_allocate ($w, $h);
1449 }
1450
1451 my $border = $self->border;
1452
1453 $h -= List::Util::max 0, $border * 2;
1454 $w -= List::Util::max 0, $border * 2;
1455
1456 $self->child->configure ($border, $border, $w, $h);
1457
1458 $self->{close_button}->configure ($self->{w} - $border, 0, $border, $border)
1459 if $self->{close_button};
1460
1461 1
1462}
1463
1464sub invoke_delete {
1465 my ($self) = @_;
1466
1467 $self->hide;
1468
1469 1
1470}
1471
1472sub invoke_button_down {
1473 my ($self, $ev, $x, $y) = @_;
1474
1475 my ($w, $h) = @$self{qw(w h)};
1476 my $border = $self->border;
1477
1478 my $lr = ($x >= 0 && $x < $border) || ($x > $w - $border && $x < $w);
1479 my $td = ($y >= 0 && $y < $border) || ($y > $h - $border && $y < $h);
1480
1481 if ($lr & $td) {
1482 my ($wx, $wy) = ($self->{x}, $self->{y});
1483 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1484 my ($bw, $bh) = ($self->{w}, $self->{h});
1485
1486 my $mx = $x < $border;
1487 my $my = $y < $border;
1488
1489 $self->{motion} = sub {
1490 my ($ev, $x, $y) = @_;
1491
1492 my $dx = $ev->{x} - $ox;
1493 my $dy = $ev->{y} - $oy;
1494
1495 $self->{force_w} = $bw + $dx * ($mx ? -1 : 1);
1496 $self->{force_h} = $bh + $dy * ($my ? -1 : 1);
1497
1498 $self->move_abs ($wx + $dx * $mx, $wy + $dy * $my);
1499 $self->realloc;
1500 };
1501
1502 } elsif ($lr ^ $td) {
1503 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1504 my ($bx, $by) = ($self->{x}, $self->{y});
1505
1506 $self->{motion} = sub {
1507 my ($ev, $x, $y) = @_;
1508
1509 ($x, $y) = ($ev->{x}, $ev->{y});
1510
1511 $self->move_abs ($bx + $x - $ox, $by + $y - $oy);
1512 # HACK: the next line is required to enforce placement
1513 $self->{parent}->invoke_size_allocate ($self->{parent}{w}, $self->{parent}{h});
1514 };
1515 } else {
1516 return 0;
1517 }
1518
1519 1
1520}
1521
1522sub invoke_button_up {
1523 my ($self, $ev, $x, $y) = @_;
1524
1525 ! ! delete $self->{motion}
1526}
1527
1528sub invoke_mouse_motion {
1529 my ($self, $ev, $x, $y) = @_;
1530
1531 $self->{motion}->($ev, $x, $y) if $self->{motion};
1532
1533 ! ! $self->{motion}
1534}
1535
1536sub invoke_visibility_change {
1537 my ($self, $visible) = @_;
1538
1539 delete $self->{motion} unless $visible;
1540
1541 0
1542}
1543
1544sub _draw {
1545 my ($self) = @_;
1546
1547 my $child = $self->{children}[0];
1548
1549 my ($w, $h ) = ($self->{w}, $self->{h});
1550 my ($cw, $ch) = ($child->{w}, $child->{h});
1551
1552 glEnable GL_TEXTURE_2D;
1553 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
1554
1555 my $border = $self->border;
1556
1557 if ($border) {
1558 glColor @{ $self->{border_bg} };
1559 $border[0]->draw_quad_alpha ( 0, 0, $w, $border);
1560 $border[1]->draw_quad_alpha ( 0, $border, $border, $ch);
1561 $border[2]->draw_quad_alpha ($w - $border, $border, $border, $ch);
1562 $border[3]->draw_quad_alpha ( 0, $h - $border, $w, $border);
1563
1564 # move
1565 my $w2 = ($w - $border) * .5;
1566 my $h2 = ($h - $border) * .5;
1567 $icon[0]->draw_quad_alpha ( 0, $h2, $border, $border);
1568 $icon[0]->draw_quad_alpha ($w - $border, $h2, $border, $border);
1569 $icon[0]->draw_quad_alpha ($w2 , $h - $border, $border, $border);
1570
1571 # resize
1572 $icon[1]->draw_quad_alpha ( 0, 0, $border, $border);
1573 $icon[1]->draw_quad_alpha ($w - $border, 0, $border, $border)
1574 unless $self->{has_close_button};
1575 $icon[1]->draw_quad_alpha ( 0, $h - $border, $border, $border);
1576 $icon[1]->draw_quad_alpha ($w - $border, $h - $border, $border, $border);
1577 }
1578
1579 if (@{$self->{bg}} < 4 || $self->{bg}[3]) {
1580 glColor @{ $self->{bg} };
1581
1582 # TODO: repeat texture not scale
1583 # solve this better(?)
1584 $bg->{s} = $cw / $bg->{w};
1585 $bg->{t} = $ch / $bg->{h};
1586 $bg->draw_quad_alpha ($border, $border, $cw, $ch);
1587 }
1588
90 glDisable GL_TEXTURE_2D; 1589 glDisable GL_TEXTURE_2D;
91}
92 1590
93package Crossfire::Client::Widget::TextView; 1591 $child->draw;
94 1592
95use strict; 1593 if ($self->{title_widget}) {
1594 glTranslate 0, $border - $self->{h};
1595 $self->{title_widget}->_draw;
96 1596
97our @ISA = qw/Crossfire::Client::Widget/; 1597 glTranslate 0, - ($border - $self->{h});
1598 }
98 1599
1600 $self->{close_button}->draw
1601 if $self->{close_button};
1602}
1603
1604#############################################################################
1605
1606package DC::UI::Table;
1607
1608our @ISA = DC::UI::Container::;
1609
1610use List::Util qw(max sum);
1611
99use SDL::OpenGL; 1612use DC::OpenGL;
100use SDL::OpenGL::Constants;
101 1613
1614sub new {
1615 my $class = shift;
1616
1617 $class->SUPER::new (
1618 col_expand => [],
1619 row_expand => [],
1620 @_,
1621 )
1622}
1623
102sub add_line { 1624sub add {
1625 my ($self, @widgets) = @_;
1626
1627 for my $child (@widgets) {
1628 $child->{c_rowspan} ||= 1;
1629 $child->{c_colspan} ||= 1;
1630 }
1631
1632 $self->SUPER::add (@widgets);
1633}
1634
1635sub add_at {
1636 my $self = shift;
1637
1638 my @widgets;
1639
1640 while (@_) {
1641 my ($col, $row, $child) = splice @_, 0, 3, ();
1642
1643 $child->{c_row} = $row;
1644 $child->{c_col} = $col;
1645
1646 push @widgets, $child;
1647 }
1648
1649 $self->add (@widgets);
1650}
1651
1652sub get_wh {
1653 my ($self) = @_;
1654
1655 my (@w, @h);
1656
1657 my @children = $self->children;
1658
1659 # first pass, columns
1660 for my $widget (sort { $a->{c_colspan} <=> $b->{c_colspan} } @children) {
1661 my ($c, $w, $cs) = @$widget{qw(c_col req_w c_colspan)};
1662
1663 my $sw = sum @w[$c .. $c + $cs - 1];
1664
1665 if ($w > $sw) {
1666 $_ += ($w - $sw) / ($_ ? $sw / $_ : $cs) for @w[$c .. $c + $cs - 1];
1667 }
1668 }
1669
1670 # second pass, rows
1671 for my $widget (sort { $a->{c_rowspan} <=> $b->{c_rowspan} } @children) {
1672 my ($r, $h, $rs) = @$widget{qw(c_row req_h c_rowspan)};
1673
1674 my $sh = sum @h[$r .. $r + $rs - 1];
1675
1676 if ($h > $sh) {
1677 $_ += ($h - $sh) / ($_ ? $sh / $_ : $rs) for @h[$r .. $r + $rs - 1];
1678 }
1679 }
1680
1681 (\@w, \@h)
1682}
1683
1684sub size_request {
1685 my ($self) = @_;
1686
1687 my ($ws, $hs) = $self->get_wh;
1688
1689 (
1690 (sum @$ws),
1691 (sum @$hs),
1692 )
1693}
1694
1695sub invoke_size_allocate {
1696 my ($self, $w, $h) = @_;
1697
1698 my ($ws, $hs) = $self->get_wh;
1699
1700 my $req_w = (sum @$ws) || 1;
1701 my $req_h = (sum @$hs) || 1;
1702
1703 # now linearly scale the rows/columns to the allocated size
1704 my @col_expand = @{$self->{col_expand}};
1705 @col_expand = (1) x @$ws unless @col_expand;
1706 my $col_expand = (sum @col_expand) || 1;
1707
1708 $ws->[$_] += $col_expand[$_] / $col_expand * ($w - $req_w) for 0 .. $#$ws;
1709
1710 DC::UI::harmonize $ws;
1711
1712 my @row_expand = @{$self->{row_expand}};
1713 @row_expand = (1) x @$ws unless @row_expand;
1714 my $row_expand = (sum @row_expand) || 1;
1715
1716 $hs->[$_] += $row_expand[$_] / $row_expand * ($h - $req_h) for 0 .. $#$hs;
1717
1718 DC::UI::harmonize $hs;
1719
1720 my @x; for (0 .. $#$ws) { $x[$_ + 1] = $x[$_] + $ws->[$_] }
1721 my @y; for (0 .. $#$hs) { $y[$_ + 1] = $y[$_] + $hs->[$_] }
1722
1723 for my $widget ($self->children) {
1724 my ($r, $c, $w, $h, $rs, $cs) = @$widget{qw(c_row c_col req_w req_h c_rowspan c_colspan)};
1725
1726 $widget->configure (
1727 $x[$c], $y[$r],
1728 $x[$c + $cs] - $x[$c], $y[$r + $rs] - $y[$r],
1729 );
1730 }
1731
1732 1
1733}
1734
1735#############################################################################
1736
1737package DC::UI::Fixed;
1738
1739use List::Util qw(min max);
1740
1741our @ISA = DC::UI::Container::;
1742
1743sub _scale($$$) {
1744 my ($rel, $val, $max) = @_;
1745
1746 $rel ? $val * $max : $val
1747}
1748
1749sub size_request {
1750 my ($self) = @_;
1751
1752 my ($x1, $y1, $x2, $y2) = (0, 0, 0, 0);
1753
1754 # determine overall size by querying abs widgets
1755 for my $child ($self->visible_children) {
1756 unless ($child->{c_rel}) {
1757 my $x = $child->{c_x};
1758 my $y = $child->{c_y};
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 # now layout remaining widgets
1769 for my $child ($self->visible_children) {
1770 if ($child->{c_rel}) {
1771 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1772 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1773
1774 $x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
1775 $y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
1776 }
1777 }
1778
1779 my $W = $x2 - $x1;
1780 my $H = $y2 - $y1;
1781
1782 ($W, $H)
1783}
1784
1785sub invoke_size_allocate {
1786 my ($self, $W, $H) = @_;
1787
1788 for my $child ($self->visible_children) {
1789 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1790 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1791
1792 $x += $child->{c_halign} * $child->{req_w};
1793 $y += $child->{c_valign} * $child->{req_h};
1794
1795 $child->configure (int $x, int $y, $child->{req_w}, $child->{req_h});
1796 }
1797
1798 1
1799}
1800
1801#############################################################################
1802
1803package DC::UI::Box;
1804
1805our @ISA = DC::UI::Container::;
1806
1807sub size_request {
1808 my ($self) = @_;
1809
1810 my @children = $self->visible_children;
1811
1812 $self->{vertical}
1813 ? (
1814 (List::Util::max map $_->{req_w}, @children),
1815 (List::Util::sum map $_->{req_h}, @children),
1816 )
1817 : (
1818 (List::Util::sum map $_->{req_w}, @children),
1819 (List::Util::max map $_->{req_h}, @children),
1820 )
1821}
1822
1823sub invoke_size_allocate {
1824 my ($self, $w, $h) = @_;
1825
1826 my $space = $self->{vertical} ? $h : $w;
1827 my @children = $self->visible_children;
1828
1829 my @req;
1830
1831 if ($self->{homogeneous}) {
1832 @req = ($space / (@children || 1)) x @children;
1833 } else {
1834 @req = map $_->{$self->{vertical} ? "req_h" : "req_w"}, @children;
1835 my $req = List::Util::sum @req;
1836
1837 if ($req > $space) {
1838 # ah well, not enough space
1839 $_ *= $space / $req for @req;
1840 } else {
1841 my $expand = (List::Util::sum map $_->{expand}, @children) || 1;
1842
1843 $space = ($space - $req) / $expand; # remaining space to give away
1844
1845 $req[$_] += $space * $children[$_]{expand}
1846 for 0 .. $#children;
1847 }
1848 }
1849
1850 DC::UI::harmonize \@req;
1851
1852 my $pos = 0;
1853 for (0 .. $#children) {
1854 my $alloc = $req[$_];
1855 $children[$_]->configure ($self->{vertical} ? (0, $pos, $w, $alloc) : ($pos, 0, $alloc, $h));
1856
1857 $pos += $alloc;
1858 }
1859
1860 1
1861}
1862
1863#############################################################################
1864
1865package DC::UI::HBox;
1866
1867our @ISA = DC::UI::Box::;
1868
1869sub new {
1870 my $class = shift;
1871
1872 $class->SUPER::new (
1873 vertical => 0,
1874 @_,
1875 )
1876}
1877
1878#############################################################################
1879
1880package DC::UI::VBox;
1881
1882our @ISA = DC::UI::Box::;
1883
1884sub new {
1885 my $class = shift;
1886
1887 $class->SUPER::new (
1888 vertical => 1,
1889 @_,
1890 )
1891}
1892
1893#############################################################################
1894
1895package DC::UI::Label;
1896
1897our @ISA = DC::UI::DrawBG::;
1898
1899use DC::OpenGL;
1900
1901sub new {
1902 my ($class, %arg) = @_;
1903
1904 my $self = $class->SUPER::new (
1905 fg => [1, 1, 1],
1906 #bg => none
1907 #active_bg => none
1908 #font => default_font
1909 #text => initial text
1910 #markup => initial narkup
1911 #max_w => maximum pixel width
1912 #style => 0, # render flags
1913 ellipsise => 3, # end
1914 layout => (new DC::Layout),
1915 fontsize => 1,
1916 align => 0.5,
1917 valign => 0.5,
1918 padding_x => 4,
1919 padding_y => 2,
1920 can_events => 0,
1921 %arg
1922 );
1923
1924 if (exists $self->{template}) {
1925 my $layout = new DC::Layout;
1926 $layout->set_text (delete $self->{template});
1927 $self->{template} = $layout;
1928 }
1929
1930 if (exists $self->{markup}) {
1931 $self->set_markup (delete $self->{markup});
1932 } else {
1933 $self->set_text (delete $self->{text});
1934 }
1935
1936 $self
1937}
1938
1939sub update {
1940 my ($self) = @_;
1941
1942 delete $self->{texture};
1943 $self->SUPER::update;
1944}
1945
1946sub realloc {
1947 my ($self) = @_;
1948
1949 delete $self->{ox};
1950 $self->SUPER::realloc;
1951}
1952
1953sub clear {
1954 my ($self) = @_;
1955
1956 $self->set_text ("");
1957}
1958
1959sub set_text {
103 my ($self, $line) = @_; 1960 my ($self, $text) = @_;
104 push @{$self->{lines}}, $line;
105}
106 1961
1962 return if $self->{text} eq "T$text";
1963 $self->{text} = "T$text";
1964
1965 $self->{layout}->set_text ($text);
1966
1967 delete $self->{size_req};
1968 $self->realloc;
1969 $self->update;
1970}
1971
1972sub set_markup {
1973 my ($self, $markup) = @_;
1974
1975 return if $self->{text} eq "M$markup";
1976 $self->{text} = "M$markup";
1977
1978 my $rgba = $markup =~ /span.*(?:foreground|background)/;
1979
1980 $self->{layout}->set_markup ($markup);
1981
1982 delete $self->{size_req};
1983 $self->realloc;
1984 $self->update;
1985}
1986
1987sub size_request {
1988 my ($self) = @_;
1989
1990 $self->{size_req} ||= do {
1991 my ($max_w, $max_h) = $self->get_max_wh;
1992
1993 $self->{layout}->set_font ($self->{font}) if $self->{font};
1994 $self->{layout}->set_width ($max_w);
1995 $self->{layout}->set_ellipsise ($self->{ellipsise});
1996 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
1997 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
1998
1999 my ($w, $h) = $self->{layout}->size;
2000
2001 if (exists $self->{template}) {
2002 $self->{template}->set_font ($self->{font}) if $self->{font};
2003 $self->{template}->set_width ($max_w);
2004 $self->{template}->set_height ($self->{fontsize} * $::FONTSIZE);
2005
2006 my ($w2, $h2) = $self->{template}->size;
2007
2008 $w = List::Util::max $w, $w2;
2009 $h = List::Util::max $h, $h2;
2010 }
2011
2012 [$w, $h]
2013 };
2014
2015 @{ $self->{size_req} }
2016}
2017
2018sub baseline_shift {
2019 $_[0]{layout}->descent
2020}
2021
2022sub invoke_size_allocate {
2023 my ($self, $w, $h) = @_;
2024
2025 delete $self->{ox};
2026
2027 delete $self->{texture}
2028 unless $w >= $self->{req_w} && $self->{old_w} >= $self->{req_w};
2029
2030 1
2031}
2032
2033sub set_fontsize {
2034 my ($self, $fontsize) = @_;
2035
2036 $self->{fontsize} = $fontsize;
2037 delete $self->{size_req};
2038 delete $self->{texture};
2039
2040 $self->realloc;
2041}
2042
2043sub reconfigure {
2044 my ($self) = @_;
2045
2046 delete $self->{size_req};
2047 delete $self->{texture};
2048
2049 $self->SUPER::reconfigure;
2050}
2051
107sub draw { 2052sub _draw {
2053 my ($self) = @_;
2054
2055 $self->SUPER::_draw; # draw background, if applicable
2056
2057 my $size = $self->{texture} ||= do {
2058 $self->{layout}->set_foreground (@{$self->{fg}});
2059 $self->{layout}->set_font ($self->{font}) if $self->{font};
2060 $self->{layout}->set_width ($self->{w});
2061 $self->{layout}->set_ellipsise ($self->{ellipsise});
2062 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
2063 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
2064
2065 [$self->{layout}->size]
2066 };
2067
2068 unless (exists $self->{ox}) {
2069 $self->{ox} = $self->{padding_x} + int $self->{align} * ($self->{w} - $size->[0] - $self->{padding_x} * 2);
2070 $self->{oy} = $self->{padding_y} + int $self->{valign} * ($self->{h} - $size->[1] - $self->{padding_y} * 2);
2071
2072 $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2073 };
2074
2075# unless ($self->{list}) {
2076# $self->{list} = DC::OpenGL::glGenList;
2077# DC::OpenGL::glNewList $self->{list};
2078# $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2079# DC::OpenGL::glEndList;
2080# }
2081#
2082# DC::OpenGL::glCallList $self->{list};
2083
2084 $self->{layout}->draw;
2085}
2086
2087#sub destroy {
108 my ($self) = @_; 2088# my ($self) = @_;
2089#
2090# DC::OpenGL::glDeleteList delete $self->{list} if $self->{list};
2091#
2092# $self->SUPER::destroy;
2093#}
109 2094
110} 2095#############################################################################
111 2096
112package Crossfire::Client::Widget::MapWidget; 2097package DC::UI::EntryBase;
113 2098
114use strict; 2099our @ISA = DC::UI::Label::;
115 2100
116our @ISA = qw/Crossfire::Client::Widget/;
117
118use SDL::OpenGL; 2101use DC::OpenGL;
119use SDL::OpenGL::Constants;
120 2102
2103sub new {
2104 my $class = shift;
2105
2106 $class->SUPER::new (
2107 fg => [1, 1, 1],
2108 bg => [0, 0, 0, 0.2],
2109 outline => undef,
2110 active_bg => [0, 0, 1, .2],
2111 active_fg => [1, 1, 1],
2112 active_outline => [1, 1, 0],
2113 can_hover => 1,
2114 can_focus => 1,
2115 align => 0,
2116 valign => 0.5,
2117 can_events => 1,
2118 ellipsise => 0,
2119 padding_x => 4,
2120 padding_y => 2,
2121 #text => ...
2122 #hidden => "*",
2123 @_
2124 )
2125}
2126
2127sub _set_text {
2128 my ($self, $text) = @_;
2129
2130 delete $self->{cur_h};
2131
2132 return if $self->{text} eq $text;
2133
2134 $self->{last_activity} = $::NOW;
2135 $self->{text} = $text;
2136
2137 $text =~ s/./*/g if $self->{hidden};
2138 $self->{layout}->set_text ("$text ");
2139 delete $self->{size_req};
2140
2141 $self->emit (changed => $self->{text});
2142
2143 $self->realloc;
2144 $self->update;
2145}
2146
2147sub set_text {
2148 my ($self, $text) = @_;
2149
2150 $self->{cursor} = length $text;
2151 $self->_set_text ($text);
2152}
2153
2154sub get_text {
2155 $_[0]{text}
2156}
2157
2158sub size_request {
2159 my ($self) = @_;
2160
2161 my ($w, $h) = $self->SUPER::size_request;
2162
2163 ($w + 1, $h) # add 1 for cursor
2164}
2165
121sub key_down { 2166sub invoke_key_down {
122 print "MAPKEYDOWN\n"; 2167 my ($self, $ev) = @_;
123}
124 2168
125sub key_up { 2169 my $mod = $ev->{mod};
126} 2170 my $sym = $ev->{sym};
2171 my $uni = $ev->{unicode};
127 2172
2173 my $text = $self->get_text;
2174
2175 $self->{cursor} = List::Util::max 0, List::Util::min $self->{cursor}, length $text;
2176
2177 if ($sym == DC::SDLK_BACKSPACE) {
2178 substr $text, --$self->{cursor}, 1, "" if $self->{cursor};
2179 } elsif ($sym == DC::SDLK_DELETE) {
2180 substr $text, $self->{cursor}, 1, "";
2181 } elsif ($sym == DC::SDLK_LEFT) {
2182 --$self->{cursor} if $self->{cursor};
2183 } elsif ($sym == DC::SDLK_RIGHT) {
2184 ++$self->{cursor} if $self->{cursor} < length $self->{text};
2185 } elsif ($sym == DC::SDLK_HOME) {
2186 # what a hack
2187 $self->{cursor} =
2188 (substr $self->{text}, 0, $self->{cursor}) =~ /^(.*\012)/
2189 ? length $1
2190 : 0;
2191 } elsif ($sym == DC::SDLK_END) {
2192 # uh, again
2193 $self->{cursor} =
2194 (substr $self->{text}, $self->{cursor}) =~ /^([^\012]*)\012/
2195 ? $self->{cursor} + length $1
2196 : length $self->{text};
2197 } elsif ($uni == 21) { # ctrl-u
2198 $text = "";
2199 $self->{cursor} = 0;
2200 } elsif ($uni == 27) {
2201 $self->emit ('escape');
2202 } elsif ($uni == 0x0d) {
2203 substr $text, $self->{cursor}++, 0, "\012";
2204 } elsif ($uni >= 0x20) {
2205 substr $text, $self->{cursor}++, 0, chr $uni;
2206 } else {
2207 return 0;
2208 }
2209
2210 $self->_set_text ($text);
2211
2212 $self->realloc;
2213 $self->update;
2214
2215 1
2216}
2217
2218sub invoke_focus_in {
2219 my ($self) = @_;
2220
2221 $self->{last_activity} = $::NOW;
2222
2223 $self->SUPER::invoke_focus_in
2224}
2225
2226sub invoke_button_down {
2227 my ($self, $ev, $x, $y) = @_;
2228
2229 $self->SUPER::invoke_button_down ($ev, $x, $y);
2230
2231 my $idx = $self->{layout}->xy_to_index ($x, $y);
2232
2233 # byte-index to char-index
2234 my $text = $self->{text};
2235 utf8::encode $text; $text = substr $text, 0, $idx; utf8::decode $text;
2236 $self->{cursor} = length $text;
2237
2238 $self->_set_text ($self->{text});
2239 $self->update;
2240
2241 1
2242}
2243
2244sub invoke_mouse_motion {
2245 my ($self, $ev, $x, $y) = @_;
2246# printf "M %d,%d %d,%d\n", $ev->motion_x, $ev->motion_y, $x, $y;#d#
2247
2248 1
2249}
2250
128sub draw { 2251sub _draw {
129 glEnable GL_TEXTURE_2D; 2252 my ($self) = @_;
2253
2254 local $self->{fg} = $self->{fg};
2255
2256 if ($FOCUS == $self) {
2257 glColor_premultiply @{$self->{active_bg}};
2258 $self->{fg} = $self->{active_fg};
2259 } else {
2260 glColor_premultiply @{$self->{bg}};
2261 }
2262
130 glEnable GL_BLEND; 2263 glEnable GL_BLEND;
2264 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2265 glRect 0, 0, $self->{w}, $self->{h};
2266 glDisable GL_BLEND;
131 2267
132 my $map = $::CONN->{map}; 2268 $self->SUPER::_draw;
133 2269
134 for my $x (0 .. $::CONN->{mapw} - 1) { 2270 #TODO: force update every cursor change :(
135 for my $y (0 .. $::CONN->{maph} - 1) { 2271 if ($FOCUS == $self && (($::NOW - $self->{last_activity}) & 1023) < 600) {
136 2272
137 my $cell = $map->[$x][$y] 2273 unless (exists $self->{cur_h}) {
138 or next; 2274 my $text = substr $self->{text}, 0, $self->{cursor};
2275 utf8::encode $text;
139 2276
140 my $darkness = $cell->[3] * (1 / 255); 2277 @$self{qw(cur_x cur_y cur_h)} = $self->{layout}->cursor_pos (length $text);
141 glColor $darkness, $darkness, $darkness; 2278 }
142 2279
143 for my $num (grep $_, $cell->[0], $cell->[1], $cell->[2]) { 2280 glColor_premultiply @{$self->{active_fg}};
144 my $tex = $::CONN->{face}[$num]{texture} || next; 2281 glBegin GL_LINES;
145 2282 glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy};
146 glBindTexture GL_TEXTURE_2D, $tex->{name}; 2283 glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy} + $self->{cur_h};
147
148 glBegin GL_QUADS;
149 glTexCoord 0, 0; glVertex $x * 32 , $y * 32;
150 glTexCoord 0, 1; glVertex $x * 32 , $y * 32 + 32;
151 glTexCoord 1, 1; glVertex $x * 32 + 32, $y * 32 + 32;
152 glTexCoord 1, 0; glVertex $x * 32 + 32, $y * 32;
153 glEnd; 2284 glEnd;
2285
2286 glLineWidth 3;
2287 glColor @{$self->{active_outline}};
2288 glRect_lineloop 1.5, 1.5, $self->{w} - 1.5, $self->{h} - 1.5;
2289 glLineWidth 1;
2290
2291 } else {
2292 glColor @{$self->{outline} || $DC::THEME{entry_outline}};
2293 glBegin GL_LINE_STRIP;
2294 glVertex .5, $self->{h} * .5;
2295 glVertex .5, $self->{h} - 2.5;
2296 glVertex $self->{w} - .5, $self->{h} - 2.5;
2297 glVertex $self->{w} - .5, $self->{h} * .5;
2298 glEnd;
2299 }
2300}
2301
2302#############################################################################
2303
2304package DC::UI::Entry;
2305
2306our @ISA = DC::UI::EntryBase::;
2307
2308use DC::OpenGL;
2309
2310sub new {
2311 my $class = shift;
2312
2313 $class->SUPER::new (
2314 history_pointer => -1,
2315 @_
2316 )
2317}
2318
2319
2320sub invoke_key_down {
2321 my ($self, $ev) = @_;
2322
2323 my $sym = $ev->{sym};
2324
2325 if ($ev->{uni} == 0x0d || $sym == 13) {
2326 unshift @{$self->{history}},
2327 my $txt = $self->get_text;
2328
2329 $self->{history_pointer} = -1;
2330 $self->{history_saveback} = '';
2331 $self->emit (activate => $txt);
2332 $self->update;
2333
2334 } elsif ($sym == DC::SDLK_UP) {
2335 if ($self->{history_pointer} < 0) {
2336 $self->{history_saveback} = $self->get_text;
2337 }
2338 if (@{$self->{history} || []} > 0) {
2339 $self->{history_pointer}++;
2340 if ($self->{history_pointer} >= @{$self->{history} || []}) {
2341 $self->{history_pointer} = @{$self->{history} || []} - 1;
2342 }
2343 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2344 }
2345
2346 } elsif ($sym == DC::SDLK_DOWN) {
2347 $self->{history_pointer}--;
2348 $self->{history_pointer} = -1 if $self->{history_pointer} < 0;
2349
2350 if ($self->{history_pointer} >= 0) {
2351 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2352 } else {
2353 if (defined $self->{history_saveback}) {
2354 $self->set_text ($self->{history_saveback});
2355 $self->{history_saveback} = undef;
154 } 2356 }
155 } 2357 }
2358
2359 } else {
2360 return $self->SUPER::invoke_key_down ($ev)
2361 }
2362
156 } 2363 1
2364}
2365
2366#############################################################################
2367
2368package DC::UI::TextEdit;
2369
2370our @ISA = DC::UI::EntryBase::;
2371
2372use DC::OpenGL;
2373
2374sub new {
2375 my $class = shift;
2376
2377 $class->SUPER::new (
2378 padding_y => 4,
2379
2380 @_
2381 )
2382}
2383
2384sub move_cursor_ver {
2385 my ($self, $dy) = @_;
2386
2387 my ($line, $x) = $self->{layout}->index_to_line_x ($self->{cursor});
2388
2389 $line += $dy;
2390
2391 if (defined (my $index = $self->{layout}->line_x_to_index ($line, $x))) {
2392 $self->{cursor} = $index;
2393 delete $self->{cur_h};
2394 $self->update;
2395 return;
2396 }
2397}
2398
2399sub invoke_key_down {
2400 my ($self, $ev) = @_;
2401
2402 my $sym = $ev->{sym};
2403
2404 if ($sym == DC::SDLK_UP) {
2405 $self->move_cursor_ver (-1);
2406 } elsif ($sym == DC::SDLK_DOWN) {
2407 $self->move_cursor_ver (+1);
2408 } else {
2409 return $self->SUPER::invoke_key_down ($ev)
2410 }
2411
2412 1
2413}
2414
2415#############################################################################
2416
2417package DC::UI::ButtonBin;
2418
2419our @ISA = DC::UI::Bin::;
2420
2421use DC::OpenGL;
2422
2423my @tex =
2424 map { new_from_resource DC::Texture $_, mipmap => 1 }
2425 qw(b1_button_inactive.png b1_button_active.png);
2426
2427sub new {
2428 my $class = shift;
2429
2430 $class->SUPER::new (
2431 can_hover => 1,
2432 align => 0.5,
2433 valign => 0.5,
2434 can_events => 1,
2435 @_
2436 )
2437}
2438
2439sub invoke_button_up {
2440 my ($self, $ev, $x, $y) = @_;
2441
2442 $self->emit ("activate")
2443 if $x >= 0 && $x < $self->{w}
2444 && $y >= 0 && $y < $self->{h};
2445
2446 1
2447}
2448
2449sub _draw {
2450 my ($self) = @_;
2451
2452 glEnable GL_TEXTURE_2D;
2453 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2454 glColor 0, 0, 0, 1;
2455
2456 my $tex = $tex[$GRAB == $self];
2457 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
157 2458
158 glDisable GL_TEXTURE_2D; 2459 glDisable GL_TEXTURE_2D;
2460
2461 $self->SUPER::_draw;
2462}
2463
2464#############################################################################
2465
2466package DC::UI::Button;
2467
2468our @ISA = DC::UI::Label::;
2469
2470use DC::OpenGL;
2471
2472my @tex =
2473 map { new_from_resource DC::Texture $_, mipmap => 1 }
2474 qw(b1_button_inactive.png b1_button_active.png);
2475
2476sub new {
2477 my $class = shift;
2478
2479 $class->SUPER::new (
2480 padding_x => 8,
2481 padding_y => 4,
2482 fg => [1.0, 1.0, 1.0],
2483 active_fg => [0.8, 0.8, 0.8],
2484 can_hover => 1,
2485 align => 0.5,
2486 valign => 0.5,
2487 can_events => 1,
2488 @_
2489 )
2490}
2491
2492sub invoke_button_up {
2493 my ($self, $ev, $x, $y) = @_;
2494
2495 $self->emit ("activate")
2496 if $x >= 0 && $x < $self->{w}
2497 && $y >= 0 && $y < $self->{h};
2498
2499 1
2500}
2501
2502sub _draw {
2503 my ($self) = @_;
2504
2505 local $self->{fg} = $GRAB == $self ? $self->{active_fg} : $self->{fg};
2506
2507 glEnable GL_TEXTURE_2D;
2508 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2509 glColor 0, 0, 0, 1;
2510
2511 my $tex = $tex[$GRAB == $self];
2512 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
2513
2514 glDisable GL_TEXTURE_2D;
2515
2516 $self->SUPER::_draw;
2517}
2518
2519#############################################################################
2520
2521package DC::UI::CheckBox;
2522
2523our @ISA = DC::UI::DrawBG::;
2524
2525my @tex =
2526 map { new_from_resource DC::Texture $_, mipmap => 1 }
2527 qw(c1_checkbox_bg.png c1_checkbox_active.png);
2528
2529use DC::OpenGL;
2530
2531sub new {
2532 my $class = shift;
2533
2534 $class->SUPER::new (
2535 fontsize => 1,
2536 padding_x => 2,
2537 padding_y => 2,
2538 fg => [1, 1, 1],
2539 active_fg => [1, 1, 0],
2540 bg => [0, 0, 0, 0.2],
2541 active_bg => [1, 1, 1, 0.5],
2542 state => 0,
2543 can_hover => 1,
2544 @_
2545 )
2546}
2547
2548sub size_request {
2549 my ($self) = @_;
2550
2551 ($self->{fontsize} * $::FONTSIZE) x 2
2552}
2553
2554sub toggle {
2555 my ($self) = @_;
2556
2557 $self->{state} = !$self->{state};
2558 $self->emit (changed => $self->{state});
2559 $self->update;
2560}
2561
2562sub invoke_button_down {
2563 my ($self, $ev, $x, $y) = @_;
2564
2565 if ($x >= $self->{padding_x} && $x < $self->{w} - $self->{padding_x}
2566 && $y >= $self->{padding_y} && $y < $self->{h} - $self->{padding_y}) {
2567 $self->toggle;
2568 } else {
2569 return 0
2570 }
2571
2572 1
2573}
2574
2575sub _draw {
2576 my ($self) = @_;
2577
2578 $self->SUPER::_draw;
2579
2580 glTranslate $self->{padding_x}, $self->{padding_y}, 0;
2581
2582 my ($w, $h) = @$self{qw(w h)};
2583
2584 my $s = List::Util::min $w - $self->{padding_x} * 2, $h - $self->{padding_y} * 2;
2585
2586 glColor @{ $FOCUS == $self ? $self->{active_fg} : $self->{fg} };
2587
2588 my $tex = $self->{state} ? $tex[1] : $tex[0];
2589
2590 glEnable GL_TEXTURE_2D;
2591 $tex->draw_quad_alpha (0, 0, $s, $s);
2592 glDisable GL_TEXTURE_2D;
2593}
2594
2595#############################################################################
2596
2597package DC::UI::Image;
2598
2599our @ISA = DC::UI::Base::;
2600
2601use DC::OpenGL;
2602
2603our %texture_cache;
2604
2605sub new {
2606 my $class = shift;
2607
2608 my $self = $class->SUPER::new (
2609 can_events => 0,
2610 scale => 1,
2611 @_,
2612 );
2613
2614 $self->{path} || $self->{tex}
2615 or Carp::croak "'path' or 'tex' attributes required";
2616
2617 $self->{tex} ||= $texture_cache{$self->{path}} ||=
2618 new_from_resource DC::Texture $self->{path}, mipmap => 1;
2619
2620 DC::weaken $texture_cache{$self->{path}};
2621
2622 $self->{aspect} ||= $self->{tex}{w} / $self->{tex}{h};
2623
2624 $self
2625}
2626
2627sub STORABLE_freeze {
2628 my ($self, $cloning) = @_;
2629
2630 $self->{path}
2631 or die "cannot serialise DC::UI::Image on non-loadable images\n";
2632
2633 $self->{path}
2634}
2635
2636sub STORABLE_attach {
2637 my ($self, $cloning, $path) = @_;
2638
2639 $self->new (path => $path)
2640}
2641
2642sub size_request {
2643 my ($self) = @_;
2644
2645 (int $self->{tex}{w} * $self->{scale}, int $self->{tex}{h} * $self->{scale})
2646}
2647
2648sub _draw {
2649 my ($self) = @_;
2650
2651 my $tex = $self->{tex};
2652
2653 my ($w, $h) = ($self->{w}, $self->{h});
2654
2655 if ($self->{rot90}) {
2656 glRotate 90, 0, 0, 1;
2657 glTranslate 0, -$self->{w}, 0;
2658
2659 ($w, $h) = ($h, $w);
2660 }
2661
2662 glEnable GL_TEXTURE_2D;
2663 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2664
2665 $tex->draw_quad_alpha (0, 0, $w, $h);
2666
2667 glDisable GL_TEXTURE_2D;
2668}
2669
2670#############################################################################
2671
2672package DC::UI::ImageButton;
2673
2674our @ISA = DC::UI::Image::;
2675
2676use DC::OpenGL;
2677
2678my %textures;
2679
2680sub new {
2681 my $class = shift;
2682
2683 my $self = $class->SUPER::new (
2684 padding_x => 4,
2685 padding_y => 4,
2686 fg => [1, 1, 1],
2687 active_fg => [0, 0, 1],
2688 can_hover => 1,
2689 align => 0.5,
2690 valign => 0.5,
2691 can_events => 1,
2692 @_
2693 );
2694}
2695
2696sub invoke_button_down {
2697 my ($self, $ev, $x, $y) = @_;
2698
2699 1
2700}
2701
2702sub invoke_button_up {
2703 my ($self, $ev, $x, $y) = @_;
2704
2705 $self->emit ("activate")
2706 if $x >= 0 && $x < $self->{w}
2707 && $y >= 0 && $y < $self->{h};
2708
2709 1
2710}
2711
2712#############################################################################
2713
2714package DC::UI::VGauge;
2715
2716our @ISA = DC::UI::Base::;
2717
2718use List::Util qw(min max);
2719
2720use DC::OpenGL;
2721
2722my %tex = (
2723 food => [
2724 map { new_from_resource DC::Texture $_, mipmap => 1 }
2725 qw/g1_food_gauge_empty.png g1_food_gauge_full.png/
2726 ],
2727 grace => [
2728 map { new_from_resource DC::Texture $_, mipmap => 1 }
2729 qw/g1_grace_gauge_empty.png g1_grace_gauge_full.png g1_grace_gauge_overflow.png/
2730 ],
2731 hp => [
2732 map { new_from_resource DC::Texture $_, mipmap => 1 }
2733 qw/g1_hp_gauge_empty.png g1_hp_gauge_full.png/
2734 ],
2735 mana => [
2736 map { new_from_resource DC::Texture $_, mipmap => 1 }
2737 qw/g1_mana_gauge_empty.png g1_mana_gauge_full.png g1_mana_gauge_overflow.png/
2738 ],
2739);
2740
2741# eg. VGauge->new (gauge => 'food'), default gauge: food
2742sub new {
2743 my $class = shift;
2744
2745 my $self = $class->SUPER::new (
2746 type => 'food',
2747 @_
2748 );
2749
2750 $self->{aspect} = $tex{$self->{type}}[0]{w} / $tex{$self->{type}}[0]{h};
2751
2752 $self
2753}
2754
2755sub size_request {
2756 my ($self) = @_;
2757
2758 #my $tex = $tex{$self->{type}}[0];
2759 #@$tex{qw(w h)}
2760 (0, 0)
2761}
2762
2763sub set_max {
2764 my ($self, $max) = @_;
2765
2766 return if $self->{max_val} == $max;
2767
2768 $self->{max_val} = $max;
2769 $self->update;
2770}
2771
2772sub set_value {
2773 my ($self, $val, $max) = @_;
2774
2775 $self->set_max ($max)
2776 if defined $max;
2777
2778 return if $self->{val} == $val;
2779
2780 $self->{val} = $val;
2781 $self->update;
2782}
2783
2784sub _draw {
2785 my ($self) = @_;
2786
2787 my $tex = $tex{$self->{type}};
2788 my ($t1, $t2, $t3) = @$tex;
2789
2790 my ($w, $h) = ($self->{w}, $self->{h});
2791
2792 if ($self->{vertical}) {
2793 glRotate 90, 0, 0, 1;
2794 glTranslate 0, -$self->{w}, 0;
2795
2796 ($w, $h) = ($h, $w);
2797 }
2798
2799 my $ycut = $self->{val} / ($self->{max_val} || 1);
2800
2801 my $ycut1 = max 0, min 1, $ycut;
2802 my $ycut2 = max 0, min 1, $ycut - 1;
2803
2804 my $h1 = $self->{h} * (1 - $ycut1);
2805 my $h2 = $self->{h} * (1 - $ycut2);
2806 my $h3 = $self->{h};
2807
2808 $_ = $_ * (284-4)/288 + 4/288 for ($h1, $h2, $h3);
2809
2810 glEnable GL_BLEND;
2811 glBlendFuncSeparate GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
2812 GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2813 glEnable GL_TEXTURE_2D;
2814 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2815
2816 glBindTexture GL_TEXTURE_2D, $t1->{name};
2817 glBegin GL_QUADS;
2818 glTexCoord 0 , 0; glVertex 0 , 0;
2819 glTexCoord 0 , $t1->{t} * (1 - $ycut1); glVertex 0 , $h1;
2820 glTexCoord $t1->{s}, $t1->{t} * (1 - $ycut1); glVertex $w, $h1;
2821 glTexCoord $t1->{s}, 0; glVertex $w, 0;
2822 glEnd;
2823
2824 my $ycut1 = List::Util::min 1, $ycut;
2825 glBindTexture GL_TEXTURE_2D, $t2->{name};
2826 glBegin GL_QUADS;
2827 glTexCoord 0 , $t2->{t} * (1 - $ycut1); glVertex 0 , $h1;
2828 glTexCoord 0 , $t2->{t} * (1 - $ycut2); glVertex 0 , $h2;
2829 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut2); glVertex $w, $h2;
2830 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut1); glVertex $w, $h1;
2831 glEnd;
2832
2833 if ($t3) {
2834 glBindTexture GL_TEXTURE_2D, $t3->{name};
2835 glBegin GL_QUADS;
2836 glTexCoord 0 , $t3->{t} * (1 - $ycut2); glVertex 0 , $h2;
2837 glTexCoord 0 , $t3->{t}; glVertex 0 , $h3;
2838 glTexCoord $t3->{s}, $t3->{t}; glVertex $w, $h3;
2839 glTexCoord $t3->{s}, $t3->{t} * (1 - $ycut2); glVertex $w, $h2;
2840 glEnd;
2841 }
2842
159 glDisable GL_BLEND; 2843 glDisable GL_BLEND;
2844 glDisable GL_TEXTURE_2D;
160} 2845}
161 2846
1621; 2847#############################################################################
163 2848
2849package DC::UI::Progress;
2850
2851our @ISA = DC::UI::Label::;
2852
2853use DC::OpenGL;
2854
2855sub new {
2856 my ($class, %arg) = @_;
2857
2858 my $self = $class->SUPER::new (
2859 padding_x => 2,
2860 padding_y => 2,
2861 fg => [1, 1, 1],
2862 bg => [0, 0, 1, 0.2],
2863 bar => [0.7, 0.5, 0.1, 0.8],
2864 outline => [0.4, 0.3, 0],
2865 fontsize => 0.9,
2866 valign => 0.5,
2867 align => 0.5,
2868 can_events => 1,
2869 ellipsise => 1,
2870 label => "%d%%",
2871 %arg,
2872 );
2873
2874 $self->set_value ($arg{value} || -1);
2875
2876 $self
2877}
2878
2879sub set_label {
2880 my ($self, $label) = @_;
2881
2882 return if $self->{label} eq $label;
2883 $self->{label} = $label;
2884
2885 $self->DC::UI::Progress::set_value (0 + delete $self->{value});
2886}
2887
2888sub set_value {
2889 my ($self, $value) = @_;
2890
2891 if ($self->{value} ne $value) {
2892 $self->{value} = $value;
2893
2894 if ($value < 0) {
2895 $self->set_text ("-");
2896 } else {
2897 $self->set_text (sprintf $self->{label}, $value * 100);
2898 }
2899
2900 $self->update;
2901 }
2902}
2903
2904sub _draw {
2905 my ($self) = @_;
2906
2907 glEnable GL_BLEND;
2908 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2909
2910 my $px = $self->{padding_x};
2911 my $py = $self->{padding_y};
2912
2913 if ($self->{value} >= 0) {
2914 my $s = int $px + ($self->{w} - $px * 2) * $self->{value};
2915
2916 glColor_premultiply @{$self->{bar}};
2917 glRect $px, $py, $s, $self->{h} - $py;
2918 glColor_premultiply @{$self->{bg}};
2919 glRect $s , $py, $self->{w} - $px, $self->{h} - $py;
2920 }
2921
2922 glColor_premultiply @{$self->{outline}};
2923
2924 $px -= .5;
2925 $py -= .5;
2926
2927 glRect_lineloop $px, $py, $self->{w} - $px, $self->{h} - $py;
2928
2929 glDisable GL_BLEND;
2930
2931 {
2932 local $self->{bg}; # do not draw background
2933 $self->SUPER::_draw;
2934 }
2935}
2936
2937#############################################################################
2938
2939package DC::UI::ExperienceProgress;
2940
2941our @ISA = DC::UI::Progress::;
2942
2943sub new {
2944 my ($class, %arg) = @_;
2945
2946 my $tt = exists $arg{tooltip} ? "$arg{tooltip}\n\n" : "";
2947
2948 my $self = $class->SUPER::new (
2949 %arg,
2950 tooltip => sub {
2951 my ($self) = @_;
2952
2953 sprintf "%slevel %d\n%s points\n%s next level\n%s to go, %d%% done",
2954 $tt,
2955 $self->{lvl},
2956 ::formsep ($self->{exp}),
2957 ::formsep ($self->{nxt}),
2958 ::formsep ($self->{nxt} - $self->{exp}),
2959 $self->_percent * 100,
2960 },
2961 );
2962
2963 $::CONN->{on_exp_update}{$self+0} = sub { $self->set_value ($self->{value}) }
2964 if $::CONN;
2965
2966 $self
2967}
2968
2969sub DESTROY {
2970 my ($self) = @_;
2971
2972 delete $::CONN->{on_exp_update}{$self+0}
2973 if $::CONN;
2974
2975 $self->SUPER::DESTROY;
2976}
2977
2978sub _percent {
2979 my ($self) = @_;
2980
2981 my $table = $::CONN && $::CONN->{exp_table}
2982 or return -1;
2983
2984 my $l0 = $table->[$self->{lvl} - 1];
2985 my $l1 = $table->[$self->{lvl}];
2986
2987 $self->{nxt} = $l1;
2988
2989 ($self->{exp} - $l0) / ($l1 - $l0)
2990}
2991
2992sub set_value {
2993 my ($self, $lvl, $exp) = @_;
2994
2995 $self->{lvl} = $lvl;
2996 $self->{exp} = $exp;
2997
2998 $self->SUPER::set_value ($self->_percent);
2999}
3000
3001#############################################################################
3002
3003package DC::UI::Gauge;
3004
3005our @ISA = DC::UI::VBox::;
3006
3007sub new {
3008 my ($class, %arg) = @_;
3009
3010 my $self = $class->SUPER::new (
3011 tooltip => $arg{type},
3012 can_hover => 1,
3013 can_events => 1,
3014 %arg,
3015 );
3016
3017 $self->add ($self->{value} = new DC::UI::Label valign => 1, align => 0.5, template => "999");
3018 $self->add ($self->{gauge} = new DC::UI::VGauge type => $self->{type}, expand => 1, can_hover => 1);
3019 $self->add ($self->{max} = new DC::UI::Label valign => 0, align => 0.5, template => "999");
3020
3021 $self
3022}
3023
3024sub set_fontsize {
3025 my ($self, $fsize) = @_;
3026
3027 $self->{value}->set_fontsize ($fsize);
3028 $self->{max} ->set_fontsize ($fsize);
3029}
3030
3031sub set_max {
3032 my ($self, $max) = @_;
3033
3034 $self->{gauge}->set_max ($max);
3035 $self->{max}->set_text ($max);
3036}
3037
3038sub set_value {
3039 my ($self, $val, $max) = @_;
3040
3041 $self->set_max ($max)
3042 if defined $max;
3043
3044 $self->{gauge}->set_value ($val, $max);
3045 $self->{value}->set_text ($val);
3046}
3047
3048#############################################################################
3049
3050package DC::UI::Slider;
3051
3052use strict;
3053
3054use DC::OpenGL;
3055
3056our @ISA = DC::UI::DrawBG::;
3057
3058my @tex =
3059 map { new_from_resource DC::Texture $_ }
3060 qw(s1_slider.png s1_slider_bg.png);
3061
3062sub new {
3063 my $class = shift;
3064
3065 # range [value, low, high, page, unit]
3066
3067 # TODO: 0-width page
3068 # TODO: req_w/h are wrong with vertical
3069 # TODO: calculations are off
3070 my $self = $class->SUPER::new (
3071 fg => [1, 1, 1],
3072 active_fg => [0, 0, 0],
3073 bg => [0, 0, 0, 0.2],
3074 active_bg => [1, 1, 1, 0.5],
3075 range => [0, 0, 100, 10, 0],
3076 min_w => $::WIDTH / 80,
3077 min_h => $::WIDTH / 80,
3078 vertical => 0,
3079 can_hover => 1,
3080 inner_pad => 0.02,
3081 @_
3082 );
3083
3084 $self->set_value ($self->{range}[0]);
3085 $self->update;
3086
3087 $self
3088}
3089
3090sub set_range {
3091 my ($self, $range) = @_;
3092
3093 ($range, $self->{range}) = ($self->{range}, $range);
3094
3095 if ("@$range" ne "@{$self->{range}}") {
3096 $self->update;
3097 $self->set_value ($self->{range}[0]);
3098 }
3099}
3100
3101sub set_value {
3102 my ($self, $value) = @_;
3103
3104 my ($old_value, $lo, $hi, $page, $unit) = @{$self->{range}};
3105
3106 $hi = $lo if $hi < $lo;
3107
3108 $value = $hi - $page if $value > $hi - $page;
3109 $value = $lo if $value < $lo;
3110
3111 $value = $lo + $unit * int +($value - $lo + $unit * 0.5) / $unit
3112 if $unit;
3113
3114 @{$self->{range}} = ($value, $lo, $hi, $page, $unit);
3115
3116 if ($value != $old_value) {
3117 $self->emit (changed => $value);
3118 $self->update;
3119 }
3120}
3121
3122sub size_request {
3123 my ($self) = @_;
3124
3125 ($self->{req_w}, $self->{req_h})
3126}
3127
3128sub invoke_button_down {
3129 my ($self, $ev, $x, $y) = @_;
3130
3131 $self->SUPER::invoke_button_down ($ev, $x, $y);
3132
3133 $self->{click} = [$self->{range}[0], $self->{vertical} ? $y : $x];
3134
3135 $self->invoke_mouse_motion ($ev, $x, $y);
3136
3137 1
3138}
3139
3140sub invoke_mouse_motion {
3141 my ($self, $ev, $x, $y) = @_;
3142
3143 if ($GRAB == $self) {
3144 my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w});
3145
3146 my (undef, $lo, $hi, $page) = @{$self->{range}};
3147
3148 $x = ($x - $self->{click}[1]) / ($w * $self->{scale});
3149
3150 $self->set_value ($self->{click}[0] + $x * ($hi - $page - $lo));
3151 } else {
3152 return 0;
3153 }
3154
3155 1
3156}
3157
3158sub invoke_mouse_wheel {
3159 my ($self, $ev) = @_;
3160
3161 my $delta = $self->{vertical} ? $ev->{dy} : $ev->{dx};
3162
3163 my $pagepart = $ev->{mod} & DC::KMOD_SHIFT ? 1 : 0.2;
3164
3165 $self->set_value ($self->{range}[0] + $delta * $self->{range}[3] * $pagepart);
3166
3167 1
3168}
3169
3170sub update {
3171 my ($self) = @_;
3172
3173 delete $self->{knob_w};
3174 $self->SUPER::update;
3175}
3176
3177sub _draw {
3178 my ($self) = @_;
3179
3180 unless ($self->{knob_w}) {
3181 $self->set_value ($self->{range}[0]);
3182
3183 my ($value, $lo, $hi, $page, $unit) = @{$self->{range}};
3184 my $range = ($hi - $page - $lo) || 1e-10;
3185
3186 my $knob_w = List::Util::min 1, $page / (($hi - $lo) || 1e-10) || 24 / $self->{w};
3187
3188 $self->{offset} = List::Util::max $self->{inner_pad}, $knob_w * 0.5;
3189 $self->{scale} = 1 - 2 * $self->{offset} || 1e-100;
3190
3191 $value = ($value - $lo) / $range;
3192 $value = $value * $self->{scale} + $self->{offset};
3193
3194 $self->{knob_x} = $value - $knob_w * 0.5;
3195 $self->{knob_w} = $knob_w;
3196 }
3197
3198 $self->SUPER::_draw ();
3199
3200 glScale $self->{w}, $self->{h};
3201
3202 if ($self->{vertical}) {
3203 # draw a vertical slider like a rotated horizontal slider
3204
3205 glTranslate 1, 0, 0;
3206 glRotate 90, 0, 0, 1;
3207 }
3208
3209 my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg};
3210 my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg};
3211
3212 glEnable GL_TEXTURE_2D;
3213 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3214
3215 # draw background
3216 $tex[1]->draw_quad_alpha (0, 0, 1, 1);
3217
3218 # draw handle
3219 $tex[0]->draw_quad_alpha ($self->{knob_x}, 0, $self->{knob_w}, 1);
3220
3221 glDisable GL_TEXTURE_2D;
3222}
3223
3224#############################################################################
3225
3226package DC::UI::ValSlider;
3227
3228our @ISA = DC::UI::HBox::;
3229
3230sub new {
3231 my ($class, %arg) = @_;
3232
3233 my $range = delete $arg{range};
3234
3235 my $self = $class->SUPER::new (
3236 slider => (new DC::UI::Slider expand => 1, range => $range),
3237 entry => (new DC::UI::Label text => "", template => delete $arg{template}),
3238 to_value => sub { shift },
3239 from_value => sub { shift },
3240 %arg,
3241 );
3242
3243 $self->{slider}->connect (changed => sub {
3244 my ($self, $value) = @_;
3245 $self->{parent}{entry}->set_text ($self->{parent}{to_value}->($value));
3246 $self->{parent}->emit (changed => $value);
3247 });
3248
3249# $self->{entry}->connect (changed => sub {
3250# my ($self, $value) = @_;
3251# $self->{parent}{slider}->set_value ($self->{parent}{from_value}->($value));
3252# $self->{parent}->emit (changed => $value);
3253# });
3254
3255 $self->add ($self->{slider}, $self->{entry});
3256
3257 $self->{slider}->emit (changed => $self->{slider}{range}[0]);
3258
3259 $self
3260}
3261
3262sub set_range { shift->{slider}->set_range (@_) }
3263sub set_value { shift->{slider}->set_value (@_) }
3264
3265#############################################################################
3266
3267package DC::UI::TextScroller;
3268
3269our @ISA = DC::UI::HBox::;
3270
3271use DC::OpenGL;
3272
3273sub new {
3274 my $class = shift;
3275
3276 my $self = $class->SUPER::new (
3277 fontsize => 1,
3278 can_events => 1,
3279 indent => 0,
3280 #font => default_font
3281 @_,
3282
3283 layout => (new DC::Layout),
3284 par => [],
3285 max_par => 0,
3286 height => 0,
3287 children => [
3288 (new DC::UI::Empty expand => 1),
3289 (new DC::UI::Slider vertical => 1),
3290 ],
3291 );
3292
3293 $self->{children}[1]->connect (changed => sub { $self->update });
3294
3295 $self
3296}
3297
3298sub set_fontsize {
3299 my ($self, $fontsize) = @_;
3300
3301 $self->{fontsize} = $fontsize;
3302 $self->reflow;
3303}
3304
3305sub size_request {
3306 my ($self) = @_;
3307
3308 my ($empty, $slider) = $self->visible_children;
3309
3310 local $self->{children} = [$empty, $slider];
3311 $self->SUPER::size_request
3312}
3313
3314sub invoke_size_allocate {
3315 my ($self, $w, $h) = @_;
3316
3317 my ($empty, $slider, @other) = @{ $self->{children} };
3318 $_->configure (@$_{qw(x y req_w req_h)}) for @other;
3319
3320 $self->{layout}->set_font ($self->{font}) if $self->{font};
3321 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
3322 $self->{layout}->set_width ($empty->{w});
3323 $self->{layout}->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3324
3325 $self->reflow;
3326
3327 local $self->{children} = [$empty, $slider];
3328 $self->SUPER::invoke_size_allocate ($w, $h)
3329}
3330
3331sub invoke_mouse_wheel {
3332 my ($self, $ev) = @_;
3333
3334 return 0 unless $ev->{dy}; # only vertical movements
3335
3336 $self->{children}[1]->emit (mouse_wheel => $ev);
3337
3338 1
3339}
3340
3341sub get_layout {
3342 my ($self, $para) = @_;
3343
3344 my $layout = $self->{layout};
3345
3346 $layout->set_font ($self->{font}) if $self->{font};
3347 $layout->set_foreground (@{$para->{fg}});
3348 $layout->set_height ($self->{fontsize} * $::FONTSIZE);
3349 $layout->set_width ($self->{children}[0]{w} - $para->{indent});
3350 $layout->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3351 $layout->set_markup ($para->{markup});
3352
3353 $layout->set_shapes (
3354 map
3355 +(0, $_->baseline_shift + $_->{padding_y} - $_->{h}, $_->{w}, $_->{h}),
3356 @{$para->{widget}}
3357 );
3358
3359 $layout
3360}
3361
3362sub reflow {
3363 my ($self) = @_;
3364
3365 $self->{need_reflow}++;
3366 $self->update;
3367}
3368
3369sub set_offset {
3370 my ($self, $offset) = @_;
3371
3372 # todo: base offset on lines or so, not on pixels
3373 $self->{children}[1]->set_value ($offset);
3374}
3375
3376sub current_paragraph {
3377 my ($self) = @_;
3378
3379 $self->{top_paragraph} - 1
3380}
3381
3382sub scroll_to {
3383 my ($self, $para) = @_;
3384
3385 $para = List::Util::max 0, List::Util::min $#{$self->{par}}, $para;
3386
3387 $self->{scroll_to} = $para;
3388 $self->update;
3389}
3390
3391sub clear {
3392 my ($self) = @_;
3393
3394 my (undef, undef, @other) = @{ $self->{children} };
3395 $self->remove ($_) for @other;
3396
3397 $self->{par} = [];
3398 $self->{height} = 0;
3399 $self->{children}[1]->set_range ([0, 0, 0, 1, 1]);
3400}
3401
3402sub add_paragraph {
3403 my $self = shift;
3404
3405 for my $para (@_) {
3406 $para = {
3407 fg => [1, 1, 1, 1],
3408 indent => 0,
3409 markup => "",
3410 widget => [],
3411 ref $para ? %$para : (markup => $para),
3412 w => 1e10,
3413 wrapped => 1,
3414 };
3415
3416 $self->add (@{ $para->{widget} }) if @{ $para->{widget} };
3417 push @{$self->{par}}, $para;
3418 }
3419
3420 if (my $max = $self->{max_par}) {
3421 shift @{$self->{par}} while @{$self->{par}} > $max;
3422 }
3423
3424 $self->{need_reflow}++;
3425 $self->update;
3426}
3427
3428sub scroll_to_bottom {
3429 my ($self) = @_;
3430
3431 $self->{scroll_to} = $#{$self->{par}};
3432 $self->update;
3433}
3434
3435sub force_uptodate {
3436 my ($self) = @_;
3437
3438 if (delete $self->{need_reflow}) {
3439 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3440
3441 my $height = 0;
3442
3443 for my $para (@{$self->{par}}) {
3444 if ($para->{w} != $W && ($para->{wrapped} || $para->{w} > $W)) {
3445 my $layout = $self->get_layout ($para);
3446 my ($w, $h) = $layout->size;
3447
3448 $para->{w} = $w + $para->{indent};
3449 $para->{h} = $h;
3450 $para->{wrapped} = $layout->has_wrapped;
3451 }
3452
3453 $para->{y} = $height;
3454 $height += $para->{h};
3455 }
3456
3457 $self->{height} = $height;
3458 $self->{children}[1]->set_range ([$self->{children}[1]{range}[0], 0, $height, $H, 1]);
3459
3460 delete $self->{texture};
3461 }
3462
3463 if (my $paridx = delete $self->{scroll_to}) {
3464 $self->{children}[1]->set_value ($self->{par}[$paridx]{y});
3465 }
3466}
3467
3468sub update {
3469 my ($self) = @_;
3470
3471 $self->SUPER::update;
3472
3473 return unless $self->{h} > 0;
3474
3475 delete $self->{texture};
3476
3477 $ROOT->on_post_alloc ($self => sub {
3478 $self->force_uptodate;
3479
3480 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3481
3482 $self->{texture} ||= new_from_opengl DC::Texture $W, $H, sub {
3483 glClearColor 0, 0, 0, 0;
3484 glClear GL_COLOR_BUFFER_BIT;
3485
3486 package DC::UI::Base;
3487 local ($draw_x, $draw_y, $draw_w, $draw_h) =
3488 (0, 0, $self->{w}, $self->{h});
3489
3490 my $top = int $self->{children}[1]{range}[0];
3491
3492 my $paridx = 0;
3493 my $top_paragraph;
3494 my $top = int $self->{children}[1]{range}[0];
3495
3496 my $y0 = $top;
3497 my $y1 = $top + $H;
3498
3499 for my $para (@{$self->{par}}) {
3500 my $h = $para->{h};
3501 my $y = $para->{y};
3502
3503 if ($y0 < $y + $h && $y < $y1) {
3504 my $layout = $self->get_layout ($para);
3505
3506 $layout->render ($para->{indent}, $y - $y0);
3507 $layout->draw;
3508
3509 if (my @w = @{ $para->{widget} }) {
3510 my @s = $layout->get_shapes;
3511
3512 for (@w) {
3513 my ($dx, $dy) = splice @s, 0, 2, ();
3514
3515 $_->{x} = $dx + $para->{indent};
3516 $_->{y} = $dy + $y - $y0;
3517
3518 $_->draw;
3519 }
3520 }
3521 }
3522
3523 $paridx++;
3524 $top_paragraph ||= $paridx if $y >= $top;
3525 }
3526
3527 $self->{top_paragraph} = $top_paragraph;
3528 };
3529 });
3530}
3531
3532sub reconfigure {
3533 my ($self) = @_;
3534
3535 $self->SUPER::reconfigure;
3536
3537 $_->{w} = 1e10 for @{ $self->{par} };
3538 $self->reflow;
3539}
3540
3541sub _draw {
3542 my ($self) = @_;
3543
3544 glEnable GL_TEXTURE_2D;
3545 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3546 glColor 0, 0, 0, 1;
3547 $self->{texture}->draw_quad_alpha_premultiplied (0, 0, $self->{children}[0]{w}, $self->{children}[0]{h});
3548 glDisable GL_TEXTURE_2D;
3549
3550 $self->{children}[1]->draw;
3551}
3552
3553#############################################################################
3554
3555package DC::UI::Animator;
3556
3557use DC::OpenGL;
3558
3559our @ISA = DC::UI::Bin::;
3560
3561sub moveto {
3562 my ($self, $x, $y) = @_;
3563
3564 $self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
3565 $self->{speed} = 0.001;
3566 $self->{time} = 1;
3567
3568 ::animation_start $self;
3569}
3570
3571sub animate {
3572 my ($self, $interval) = @_;
3573
3574 $self->{time} -= $interval * $self->{speed};
3575 if ($self->{time} <= 0) {
3576 $self->{time} = 0;
3577 ::animation_stop $self;
3578 }
3579
3580 my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
3581
3582 $self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
3583 $self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
3584}
3585
3586sub _draw {
3587 my ($self) = @_;
3588
3589 glPushMatrix;
3590 glRotate $self->{time} * 1000, 0, 1, 0;
3591 $self->{children}[0]->draw;
3592 glPopMatrix;
3593}
3594
3595#############################################################################
3596
3597package DC::UI::Flopper;
3598
3599our @ISA = DC::UI::Button::;
3600
3601sub new {
3602 my $class = shift;
3603
3604 my $self = $class->SUPER::new (
3605 state => 0,
3606 on_activate => \&toggle_flopper,
3607 @_
3608 );
3609
3610 $self
3611}
3612
3613sub toggle_flopper {
3614 my ($self) = @_;
3615
3616 $self->{other}->toggle_visibility;
3617}
3618
3619#############################################################################
3620
3621package DC::UI::Tooltip;
3622
3623our @ISA = DC::UI::Bin::;
3624
3625use DC::OpenGL;
3626
3627sub new {
3628 my $class = shift;
3629
3630 $class->SUPER::new (
3631 @_,
3632 can_events => 0,
3633 )
3634}
3635
3636sub set_tooltip_from {
3637 my ($self, $widget) = @_;
3638
3639 my $tip = $widget->{tooltip};
3640 $tip = $tip->($widget) if "CODE" eq ref $tip;
3641
3642 $tip = DC::Pod::section_label tooltip => $1
3643 if $tip =~ /^#(.*)$/;
3644
3645 if ($ENV{CFPLUS_DEBUG} & 2) {
3646 $tip .= "\n\n" . (ref $widget) . "\n"
3647 . "$widget->{x} $widget->{y} $widget->{w} $widget->{h}\n"
3648 . "req $widget->{req_w} $widget->{req_h}\n"
3649 . "visible $widget->{visible}";
3650 }
3651
3652 $tip =~ s/^\n+//;
3653 $tip =~ s/\n+$//;
3654
3655 $self->add (new DC::UI::Label
3656 fg => $DC::THEME{tooltip_fg},
3657 markup => $tip,
3658 max_w => ($widget->{tooltip_width} || 0.25) * $::WIDTH,
3659 align => 0,
3660 fontsize => 0.8,
3661 style => $DC::THEME{tooltip_style}, # FLAG_INVERSE
3662 ellipsise => 0,
3663 font => ($widget->{tooltip_font} || $::FONT_PROP),
3664 );
3665}
3666
3667sub size_request {
3668 my ($self) = @_;
3669
3670 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
3671
3672 ($w + 4, $h + 4)
3673}
3674
3675sub invoke_size_allocate {
3676 my ($self, $w, $h) = @_;
3677
3678 $self->SUPER::invoke_size_allocate ($w - 4, $h - 4)
3679}
3680
3681sub invoke_visibility_change {
3682 my ($self, $visible) = @_;
3683
3684 return unless $visible;
3685
3686 $self->{root}->on_post_alloc ("move_$self" => sub {
3687 my $widget = $self->{owner}
3688 or return;
3689
3690 if ($widget->{visible}) {
3691 my ($x, $y) = $widget->coord2global ($widget->{w}, 0);
3692
3693 ($x, $y) = $widget->coord2global (-$self->{w}, 0)
3694 if $x + $self->{w} > $self->{root}{w};
3695
3696 $self->move_abs ($x, $y);
3697 } else {
3698 $self->hide;
3699 }
3700 });
3701}
3702
3703sub _draw {
3704 my ($self) = @_;
3705
3706 my ($w, $h) = @$self{qw(w h)};
3707
3708 glColor @{ $DC::THEME{tooltip_bg} };
3709 glRect 0, 0, $w, $h;
3710
3711 glColor @{ $DC::THEME{tooltip_border} };
3712 glRect_lineloop .5, .5, $w + .5, $h + .5;
3713
3714 glTranslate 2, 2;
3715
3716 $self->SUPER::_draw;
3717}
3718
3719#############################################################################
3720
3721package DC::UI::Face;
3722
3723our @ISA = DC::UI::DrawBG::;
3724
3725use DC::OpenGL;
3726
3727sub new {
3728 my $class = shift;
3729
3730 my $self = $class->SUPER::new (
3731 size_w => 32,
3732 size_h => 8,
3733 aspect => 1,
3734 can_events => 0,
3735 @_,
3736 );
3737
3738 $self->update_anim;
3739
3740 $self
3741}
3742
3743sub update_timer {
3744 my ($self) = @_;
3745
3746 return unless $self->{timer};
3747
3748 if ($self->{visible}) {
3749 $self->{timer}->start;
3750 } else {
3751 $self->{timer}->stop;
3752 }
3753}
3754
3755sub update_face {
3756 my ($self) = @_;
3757
3758 if ($::CONN) {
3759 if (my $anim = $::CONN->{anim}[$self->{anim}]) {
3760 if ($anim && @$anim) {
3761 $self->{face} = $anim->[ $self->{frame} % @$anim ];
3762 delete $self->{face_change_cb};
3763
3764 if (my $tex = $self->{tex} = $::CONN->{texture}[ $::CONN->{face}[$self->{face}]{id} ]) {
3765 unless ($tex->{name} || $tex->{loading}) {
3766 $tex->upload (sub { $self->reconfigure });
3767 }
3768 }
3769 }
3770 }
3771 }
3772}
3773
3774sub update_anim {
3775 my ($self) = @_;
3776
3777 if ($self->{anim} && $self->{animspeed}) {
3778 DC::weaken (my $widget = $self);
3779
3780 $self->{animspeed} = List::Util::max 0.05, $self->{animspeed};
3781 $self->{timer} = EV::periodic_ns 0, $self->{animspeed}, undef, sub {
3782 return unless $::CONN;
3783
3784 my $w = $widget
3785 or return;
3786
3787 ++$w->{frame};
3788 $w->update_face;
3789
3790 # somehow, $widget can go away
3791 $w->update;
3792 $w->update_timer;
3793 };
3794
3795 $self->update_face;
3796 $self->update_timer;
3797 } else {
3798 delete $self->{timer};
3799 }
3800}
3801
3802sub size_request {
3803 my ($self) = @_;
3804
3805 if ($::CONN) {
3806 if (my $faceid = $::CONN->{face}[$self->{face}]{id}) {
3807 if (my $tex = $self->{tex} = $::CONN->{texture}[$faceid]) {
3808 if ($tex->{name}) {
3809 return ($self->{size_w} || $tex->{w}, $self->{size_h} || $tex->{h});
3810 } elsif (!$tex->{loading}) {
3811 $tex->upload (sub { $self->reconfigure });
3812 }
3813 }
3814
3815 $self->{face_change_cb} ||= $::CONN->on_face_change ($self->{face}, sub { $self->reconfigure });
3816 }
3817 }
3818
3819 ($self->{size_w} || 8, $self->{size_h} || 8)
3820}
3821
3822sub update {
3823 my ($self) = @_;
3824
3825 return unless $self->{visible};
3826
3827 $self->SUPER::update;
3828}
3829
3830sub set_face {
3831 my ($self, $face) = @_;
3832
3833 $self->{face} = $face;
3834 $self->reconfigure;
3835}
3836
3837sub set_anim {
3838 my ($self, $anim) = @_;
3839
3840 $self->{anim} = $anim;
3841 $self->update_anim;
3842}
3843
3844sub set_animspeed {
3845 my ($self, $animspeed) = @_;
3846
3847 $self->{animspeed} = $animspeed;
3848 $self->update_anim;
3849}
3850
3851sub invoke_visibility_change {
3852 my ($self) = @_;
3853
3854 $self->update_timer;
3855
3856 0
3857}
3858
3859sub _draw {
3860 my ($self) = @_;
3861
3862 $self->SUPER::_draw;
3863
3864 if (my $tex = $self->{tex}) {
3865 glEnable GL_TEXTURE_2D;
3866 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3867 glColor 0, 0, 0, 1;
3868 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
3869 glDisable GL_TEXTURE_2D;
3870 }
3871}
3872
3873sub destroy {
3874 my ($self) = @_;
3875
3876 (delete $self->{timer})->cancel
3877 if $self->{timer};
3878
3879 $self->SUPER::destroy;
3880}
3881
3882#############################################################################
3883
3884package DC::UI::Buttonbar;
3885
3886our @ISA = DC::UI::HBox::;
3887
3888# TODO: should actually wrap buttons and other goodies.
3889
3890#############################################################################
3891
3892package DC::UI::Menu;
3893
3894our @ISA = DC::UI::Toplevel::;
3895
3896use DC::OpenGL;
3897
3898sub new {
3899 my $class = shift;
3900
3901 my $self = $class->SUPER::new (
3902 items => [],
3903 z => 100,
3904 @_,
3905 );
3906
3907 $self->add ($self->{vbox} = new DC::UI::VBox);
3908
3909 for my $item (@{ $self->{items} }) {
3910 my ($widget, $cb, $tooltip) = @$item;
3911
3912 # handle various types of items, only text for now
3913 if (!ref $widget) {
3914 if ($widget =~ /\t/) {
3915 my ($left, $right) = split /\t/, $widget, 2;
3916
3917 $widget = new DC::UI::HBox
3918 can_hover => 1,
3919 can_events => 1,
3920 tooltip => $tooltip,
3921 children => [
3922 (new DC::UI::Label markup => $left , align => 0, expand => 1),
3923 (new DC::UI::Label markup => $right, align => 1),
3924 ],
3925 ;
3926
3927 } else {
3928 $widget = new DC::UI::Label
3929 can_hover => 1,
3930 can_events => 1,
3931 align => 0,
3932 markup => $widget,
3933 tooltip => $tooltip;
3934 }
3935 }
3936
3937 $self->{item}{$widget} = $item;
3938
3939 $self->{vbox}->add ($widget);
3940 }
3941
3942 $self
3943}
3944
3945# popup given the event (must be a mouse button down event currently)
3946sub popup {
3947 my ($self, $ev) = @_;
3948
3949 $self->emit ("popdown");
3950
3951 # maybe save $GRAB? must be careful about events...
3952 $GRAB = $self;
3953 $self->{button} = $ev->{button};
3954
3955 $self->show;
3956
3957 my $x = $ev->{x};
3958 my $y = $ev->{y};
3959
3960 $self->{root}->on_post_alloc ($self => sub {
3961 $self->move_abs ($x - $self->{w} * 0.25, $y - $self->{border} * $::FONTSIZE * .5);
3962 });
3963
3964 1 # so it can be used inside event handlers
3965}
3966
3967sub invoke_mouse_motion {
3968 my ($self, $ev, $x, $y) = @_;
3969
3970 # TODO: should use vbox->find_widget or so
3971 $HOVER = $ROOT->find_widget ($ev->{x}, $ev->{y});
3972 $self->{hover} = $self->{item}{$HOVER};
3973
3974 0
3975}
3976
3977sub invoke_button_up {
3978 my ($self, $ev, $x, $y) = @_;
3979
3980 if ($ev->{button} == $self->{button}) {
3981 undef $GRAB;
3982 $self->hide;
3983
3984 $self->emit ("popdown");
3985 $self->{hover}[1]->() if $self->{hover};
3986 } else {
3987 return 0
3988 }
3989
3990 1
3991}
3992
3993#############################################################################
3994
3995package DC::UI::Multiplexer;
3996
3997our @ISA = DC::UI::Container::;
3998
3999sub new {
4000 my $class = shift;
4001
4002 my $self = $class->SUPER::new (
4003 @_,
4004 );
4005
4006 $self->set_current_page (0);
4007
4008 $self
4009}
4010
4011sub add {
4012 my ($self, @widgets) = @_;
4013
4014 $self->SUPER::add (@widgets);
4015
4016 $self->set_current_page (0)
4017 if @widgets == @{ $self->{children} };
4018}
4019
4020sub get_current_page {
4021 my ($self) = @_;
4022
4023 $self->{current}
4024}
4025
4026sub set_current_page {
4027 my ($self, $page_or_widget) = @_;
4028
4029 my $widget = ref $page_or_widget
4030 ? $page_or_widget
4031 : $self->{children}[$page_or_widget];
4032
4033 $self->{current}->set_invisible if $self->{current} && $self->{visible};
4034
4035 if (($self->{current} = $widget)) {
4036 $self->{current}->set_visible if $self->{current} && $self->{visible};
4037 $self->{current}->configure (0, 0, $self->{w}, $self->{h});
4038
4039 $self->emit (page_changed => $self->{current});
4040 }
4041
4042 $self->realloc;
4043}
4044
4045sub visible_children {
4046 $_[0]{current} || ()
4047}
4048
4049sub size_request {
4050 my ($self) = @_;
4051
4052 $self->{current}
4053 ? $self->{current}->size_request
4054 : (0, 0)
4055}
4056
4057sub invoke_size_allocate {
4058 my ($self, $w, $h) = @_;
4059
4060 $self->{current}->configure (0, 0, $w, $h)
4061 if $self->{current};
4062
4063 1
4064}
4065
4066sub _draw {
4067 my ($self) = @_;
4068
4069 $self->{current}->draw
4070 if $self->{current};
4071}
4072
4073#############################################################################
4074
4075package DC::UI::Notebook;
4076
4077use DC::OpenGL;
4078
4079our @ISA = DC::UI::VBox::;
4080
4081sub new {
4082 my $class = shift;
4083
4084 my $self = $class->SUPER::new (
4085 buttonbar => (new DC::UI::Buttonbar),
4086 multiplexer => (new DC::UI::Multiplexer expand => 1),
4087 active_outline => [.7, .7, 0.2],
4088 # filter => # will be put between multiplexer and $self
4089 @_,
4090 );
4091
4092 $self->{filter}->add ($self->{multiplexer}) if $self->{filter};
4093 $self->SUPER::add ($self->{buttonbar}, $self->{filter} || $self->{multiplexer});
4094
4095 {
4096 Scalar::Util::weaken (my $wself = $self);
4097
4098 $self->{multiplexer}->connect (c_add => sub {
4099 my ($mplex, $widgets) = @_;
4100
4101 for my $child (@$widgets) {
4102 Scalar::Util::weaken $child;
4103 $child->{c_tab_} ||= do {
4104 my $tab =
4105 (UNIVERSAL::isa $child->{c_tab}, "DC::UI::Base")
4106 ? $child->{c_tab}
4107 : new DC::UI::Button markup => $child->{c_tab}[0], tooltip => $child->{c_tab}[1];
4108
4109 $tab->connect (activate => sub {
4110 $wself->set_current_page ($child);
4111 });
4112
4113 $tab
4114 };
4115
4116 $self->{buttonbar}->add ($child->{c_tab_});
4117 }
4118 });
4119
4120 $self->{multiplexer}->connect (c_remove => sub {
4121 my ($mplex, $widgets) = @_;
4122
4123 for my $child (@$widgets) {
4124 $wself->{buttonbar}->remove ($child->{c_tab_});
4125 }
4126 });
4127 }
4128
4129 $self
4130}
4131
4132sub add {
4133 my ($self, @widgets) = @_;
4134
4135 $self->{multiplexer}->add (@widgets)
4136}
4137
4138sub remove {
4139 my ($self, @widgets) = @_;
4140
4141 $self->{multiplexer}->remove (@widgets)
4142}
4143
4144sub pages {
4145 my ($self) = @_;
4146 $self->{multiplexer}->children
4147}
4148
4149sub page_index {
4150 my ($self, $widget) = @_;
4151
4152 my $i = 0;
4153 for ($self->pages) {
4154 if ($_ eq $widget) { return $i };
4155 $i++;
4156 }
4157
4158 undef
4159}
4160
4161sub add_tab {
4162 my ($self, $title, $widget, $tooltip) = @_;
4163
4164 $title = [$title, $tooltip] unless ref $title;
4165 $widget->{c_tab} = $title;
4166
4167 $self->add ($widget);
4168}
4169
4170sub get_current_page {
4171 my ($self) = @_;
4172
4173 $self->{multiplexer}->get_current_page
4174}
4175
4176sub set_current_page {
4177 my ($self, $page) = @_;
4178
4179 $self->{multiplexer}->set_current_page ($page);
4180 $self->emit (page_changed => $self->{multiplexer}{current});
4181}
4182
4183sub _draw {
4184 my ($self) = @_;
4185
4186 $self->SUPER::_draw ();
4187
4188 if (my $cur = $self->{multiplexer}{current}) {
4189 if ($cur = $cur->{c_tab_}) {
4190 glTranslate $self->{buttonbar}{x} + $cur->{x},
4191 $self->{buttonbar}{y} + $cur->{y};
4192 glLineWidth 3;
4193 #glEnable GL_BLEND;
4194 #glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
4195 glColor @{$self->{active_outline}};
4196 glRect_lineloop 1.5, 1.5, $cur->{w} - 1.5, $cur->{h} - 1.5;
4197 glLineWidth 1;
4198 #glDisable GL_BLEND;
4199 }
4200 }
4201}
4202
4203#############################################################################
4204
4205package DC::UI::Selector;
4206
4207use utf8;
4208
4209our @ISA = DC::UI::Button::;
4210
4211sub new {
4212 my $class = shift;
4213
4214 my $self = $class->SUPER::new (
4215 options => [], # [value, title, longdesc], ...
4216 value => undef,
4217 @_,
4218 );
4219
4220 $self->_set_value ($self->{value});
4221
4222 $self
4223}
4224
4225sub invoke_button_down {
4226 my ($self, $ev) = @_;
4227
4228 my @menu_items;
4229
4230 for (@{ $self->{options} }) {
4231 my ($value, $title, $tooltip) = @$_;
4232
4233 push @menu_items, [$tooltip || $title, sub { $self->set_value ($value) }];
4234 }
4235
4236 DC::UI::Menu->new (items => \@menu_items)->popup ($ev);
4237}
4238
4239sub _set_value {
4240 my ($self, $value) = @_;
4241
4242 my ($item) = grep $_->[0] eq $value, @{ $self->{options} };
4243 $item ||= $self->{options}[0]
4244 or return;
4245
4246 $self->{value} = $item->[0];
4247 $self->set_markup ("$item->[1] ⇓");
4248# $self->set_tooltip ($item->[2]);
4249}
4250
4251sub set_value {
4252 my ($self, $value) = @_;
4253
4254 return unless $self->{value} ne $value;
4255
4256 $self->_set_value ($value);
4257 $self->emit (changed => $value);
4258}
4259
4260sub set_options {
4261 my ($self, $options) = @_;
4262
4263 $self->{options} = $options;
4264 $self->_set_value ($self->{value});
4265}
4266
4267#############################################################################
4268
4269package DC::UI::Statusbox;
4270
4271our @ISA = DC::UI::VBox::;
4272
4273sub new {
4274 my $class = shift;
4275
4276 my $self = $class->SUPER::new (
4277 fontsize => 0.8,
4278 @_,
4279 );
4280
4281 DC::weaken (my $this = $self);
4282
4283 $self->{timer} = EV::timer 1, 1, sub { $this->reorder };
4284
4285 $self
4286}
4287
4288sub reorder {
4289 my ($self) = @_;
4290 my $NOW = EV::time;
4291
4292 # freeze display when hovering over any label
4293 return if $DC::UI::TOOLTIP->{owner}
4294 && grep $DC::UI::TOOLTIP->{owner} == $_->{label},
4295 values %{ $self->{item} };
4296
4297 while (my ($k, $v) = each %{ $self->{item} }) {
4298 delete $self->{item}{$k} if $v->{timeout} < $NOW;
4299 }
4300
4301 $self->{timer}->set (1, 1);
4302
4303 my @widgets;
4304
4305 my @items = sort {
4306 $a->{pri} <=> $b->{pri}
4307 or $b->{id} <=> $a->{id}
4308 } values %{ $self->{item} };
4309
4310 my $count = 10 + 1;
4311 for my $item (@items) {
4312 last unless --$count;
4313
4314 my $label = $item->{label} ||= do {
4315 # TODO: doesn't handle markup well (read as: at all)
4316 my $short = $item->{count} > 1
4317 ? "<b>$item->{count} ×</b> $item->{text}"
4318 : $item->{text};
4319
4320 for ($short) {
4321 s/^\s+//;
4322 s/\s+/ /g;
4323 }
4324
4325 new DC::UI::Label
4326 markup => $short,
4327 tooltip => $item->{tooltip},
4328 tooltip_font => $::FONT_PROP,
4329 tooltip_width => 0.67,
4330 fontsize => $item->{fontsize} || $self->{fontsize},
4331 max_w => $::WIDTH * 0.44,
4332 align => 0,
4333 fg => [@{ $item->{fg} }],
4334 can_events => 1,
4335 can_hover => 1
4336 };
4337
4338 if ((my $diff = $item->{timeout} - $NOW) < 2) {
4339 $label->{fg}[3] = ($item->{fg}[3] || 1) * $diff / 2;
4340 $label->update;
4341 $label->set_max_size (undef, $label->{req_h} * $diff)
4342 if $diff < 1;
4343 $self->{timer}->set (1/30, 1/30);
4344 } else {
4345 $label->{fg}[3] = $item->{fg}[3] || 1;
4346 }
4347
4348 push @widgets, $label;
4349 }
4350
4351 my $hash = join ",", @widgets;
4352 return if $hash eq $self->{last_widget_hash};
4353 $self->{last_widget_hash} = $hash;
4354
4355 $self->clear;
4356 $self->SUPER::add (reverse @widgets);
4357}
4358
4359sub add {
4360 my ($self, $text, %arg) = @_;
4361
4362 $text =~ s/^\s+//;
4363 $text =~ s/\s+$//;
4364
4365 return unless $text;
4366
4367 my $timeout = (int time) + ((delete $arg{timeout}) || 60);
4368
4369 my $group = exists $arg{group} ? $arg{group} : ++$self->{id};
4370
4371 if (my $item = $self->{item}{$group}) {
4372 if ($item->{text} eq $text) {
4373 $item->{count}++;
4374 } else {
4375 $item->{count} = 1;
4376 $item->{text} = $item->{tooltip} = $text;
4377 }
4378 $item->{id} += 0.2;#d#
4379 $item->{timeout} = $timeout;
4380 delete $item->{label};
4381 } else {
4382 $self->{item}{$group} = {
4383 id => ++$self->{id},
4384 text => $text,
4385 timeout => $timeout,
4386 tooltip => $text,
4387 fg => [0.8, 0.8, 0.8, 0.8],
4388 pri => 0,
4389 count => 1,
4390 %arg,
4391 };
4392 }
4393
4394 $ROOT->on_refresh (reorder => sub {
4395 $self->reorder;
4396 });
4397}
4398
4399sub reconfigure {
4400 my ($self) = @_;
4401
4402 delete $_->{label}
4403 for values %{ $self->{item} || {} };
4404
4405 $self->reorder;
4406 $self->SUPER::reconfigure;
4407}
4408
4409sub destroy {
4410 my ($self) = @_;
4411
4412 $self->{timer}->cancel;
4413
4414 $self->SUPER::destroy;
4415}
4416
4417#############################################################################
4418
4419package DC::UI::Root;
4420
4421our @ISA = DC::UI::Container::;
4422
4423use List::Util qw(min max);
4424
4425use DC::OpenGL;
4426
4427sub new {
4428 my $class = shift;
4429
4430 my $self = $class->SUPER::new (
4431 visible => 1,
4432 @_,
4433 );
4434
4435 DC::weaken ($self->{root} = $self);
4436
4437 $self
4438}
4439
4440sub size_request {
4441 my ($self) = @_;
4442
4443 ($self->{w}, $self->{h})
4444}
4445
4446sub _to_pixel {
4447 my ($coord, $size, $max) = @_;
4448
4449 $coord =
4450 $coord eq "center" ? ($max - $size) * 0.5
4451 : $coord eq "max" ? $max
4452 : $coord;
4453
4454 $coord = 0 if $coord < 0;
4455 $coord = $max - $size if $coord > $max - $size;
4456
4457 int $coord + 0.5
4458}
4459
4460sub invoke_size_allocate {
4461 my ($self, $w, $h) = @_;
4462
4463 for my $child ($self->children) {
4464 my ($X, $Y, $W, $H) = @$child{qw(x y req_w req_h)};
4465
4466 $X = $child->{force_x} if exists $child->{force_x};
4467 $Y = $child->{force_y} if exists $child->{force_y};
4468
4469 $X = _to_pixel $X, $W, $self->{w};
4470 $Y = _to_pixel $Y, $H, $self->{h};
4471
4472 $child->configure ($X, $Y, $W, $H);
4473 }
4474
4475 1
4476}
4477
4478sub coord2local {
4479 my ($self, $x, $y) = @_;
4480
4481 ($x, $y)
4482}
4483
4484sub coord2global {
4485 my ($self, $x, $y) = @_;
4486
4487 ($x, $y)
4488}
4489
4490sub update {
4491 my ($self) = @_;
4492
4493 $::WANT_REFRESH = 1;
4494}
4495
4496sub add {
4497 my ($self, @children) = @_;
4498
4499 $_->{is_toplevel} = 1
4500 for @children;
4501
4502 $self->SUPER::add (@children);
4503}
4504
4505sub remove {
4506 my ($self, @children) = @_;
4507
4508 $self->SUPER::remove (@children);
4509
4510 delete $self->{is_toplevel}
4511 for @children;
4512
4513 while (@children) {
4514 my $w = pop @children;
4515 push @children, $w->children;
4516 $w->set_invisible;
4517 }
4518}
4519
4520sub on_refresh {
4521 my ($self, $id, $cb) = @_;
4522
4523 $self->{refresh_hook}{$id} = $cb;
4524}
4525
4526sub on_post_alloc {
4527 my ($self, $id, $cb) = @_;
4528
4529 $self->{post_alloc_hook}{$id} = $cb;
4530}
4531
4532sub draw {
4533 my ($self) = @_;
4534
4535 while ($self->{refresh_hook}) {
4536 $_->()
4537 for values %{delete $self->{refresh_hook}};
4538 }
4539
4540 while ($self->{realloc}) {
4541 my %queue;
4542 my @queue;
4543 my $widget;
4544
4545 outer:
4546 while () {
4547 if (my $realloc = delete $self->{realloc}) {
4548 for $widget (values %$realloc) {
4549 $widget->{visible} or next; # do not resize invisible widgets
4550
4551 $queue{$widget+0}++ and next; # duplicates are common
4552
4553 push @{ $queue[$widget->{visible}] }, $widget;
4554 }
4555 }
4556
4557 while () {
4558 @queue or last outer;
4559
4560 $widget = pop @{ $queue[-1] || [] }
4561 and last;
4562
4563 pop @queue;
4564 }
4565
4566 delete $queue{$widget+0};
4567
4568 my ($w, $h) = $widget->size_request;
4569
4570 $w += $widget->{padding_x} * 2;
4571 $h += $widget->{padding_y} * 2;
4572
4573 $w = max $widget->{min_w}, $w;
4574 $h = max $widget->{min_h}, $h;
4575
4576 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4577 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4578
4579 $w = $widget->{force_w} if exists $widget->{force_w};
4580 $h = $widget->{force_h} if exists $widget->{force_h};
4581
4582 if ($widget->{req_w} != $w || $widget->{req_h} != $h
4583 || delete $widget->{force_realloc}) {
4584 $widget->{req_w} = $w;
4585 $widget->{req_h} = $h;
4586
4587 $self->{size_alloc}{$widget+0} = $widget;
4588
4589 if (my $parent = $widget->{parent}) {
4590 $self->{realloc}{$parent+0} = $parent
4591 unless $queue{$parent+0};
4592
4593 $parent->{force_size_alloc} = 1;
4594 $self->{size_alloc}{$parent+0} = $parent;
4595 }
4596 }
4597
4598 delete $self->{realloc}{$widget+0};
4599 }
4600
4601 while (my $size_alloc = delete $self->{size_alloc}) {
4602 my @queue = sort { $a->{visible} <=> $b->{visible} }
4603 values %$size_alloc;
4604
4605 while () {
4606 my $widget = pop @queue || last;
4607
4608 my ($w, $h) = @$widget{qw(alloc_w alloc_h)};
4609
4610 $w = max $widget->{min_w}, $w;
4611 $h = max $widget->{min_h}, $h;
4612
4613# $w = min $self->{w} - $widget->{x}, $w if $self->{w};
4614# $h = min $self->{h} - $widget->{y}, $h if $self->{h};
4615
4616 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4617 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4618
4619 $w = int $w + 0.5;
4620 $h = int $h + 0.5;
4621
4622 if ($widget->{w} != $w || $widget->{h} != $h || delete $widget->{force_size_alloc}) {
4623 $widget->{old_w} = $widget->{w};
4624 $widget->{old_h} = $widget->{h};
4625
4626 $widget->{w} = $w;
4627 $widget->{h} = $h;
4628
4629 $widget->emit (size_allocate => $w, $h);
4630 }
4631 }
4632 }
4633 }
4634
4635 while ($self->{post_alloc_hook}) {
4636 $_->()
4637 for values %{delete $self->{post_alloc_hook}};
4638 }
4639
4640 glViewport 0, 0, $::WIDTH, $::HEIGHT;
4641 glClearColor +($::CFG->{fow_intensity}) x 3, 1;
4642 glClear GL_COLOR_BUFFER_BIT;
4643
4644 glMatrixMode GL_PROJECTION;
4645 glLoadIdentity;
4646 glOrtho 0, $::WIDTH, $::HEIGHT, 0, -10000, 10000;
4647 glMatrixMode GL_MODELVIEW;
4648 glLoadIdentity;
4649
4650 {
4651 package DC::UI::Base;
4652
4653 local ($draw_x, $draw_y, $draw_w, $draw_h) =
4654 (0, 0, $self->{w}, $self->{h});
4655
4656 $self->_draw;
4657 }
4658}
4659
4660#############################################################################
4661
4662package DC::UI;
4663
4664$ROOT = new DC::UI::Root;
4665$TOOLTIP = new DC::UI::Tooltip z => 900;
4666
46671

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