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Revision: 1.489
Committed: Sun Nov 25 14:37:18 2012 UTC (11 years, 7 months ago) by root
Branch: MAIN
CVS Tags: HEAD
Changes since 1.488: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 package DC::UI;
2
3 use common::sense;
4
5 use List::Util ();
6
7 use AnyEvent ();
8 use Guard ();
9
10 use DC;
11 use DC::Pod;
12 use DC::Texture;
13
14 our ($FOCUS, $HOVER, $GRAB); # various widgets
15
16 our $LAYOUT;
17 our $ROOT;
18 our $TOOLTIP;
19 our $BUTTON_STATE;
20
21 our %WIDGET; # all widgets, weak-referenced
22
23 our $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
52 sub 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 $layout
67 }
68
69 sub set_layout {
70 my ($layout) = @_;
71
72 $LAYOUT = $layout;
73 }
74
75 # class methods for events
76 sub feed_sdl_key_down_event {
77 $FOCUS->emit (key_down => $_[0])
78 if $FOCUS;
79 }
80
81 sub feed_sdl_key_up_event {
82 $FOCUS->emit (key_up => $_[0])
83 if $FOCUS;
84 }
85
86 sub check_hover {
87 my ($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 $TOOLTIP_WATCHER->again;
96 }
97 }
98
99 sub feed_sdl_button_down_event {
100 my ($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 => $ev)
126 }
127 }
128 }
129
130 sub feed_sdl_button_up_event {
131 my ($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 $TOOLTIP_WATCHER->invoke;
147 }
148 }
149
150 sub feed_sdl_motion_event {
151 my ($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 $HOVER;
160 }
161
162 # convert position array to integers
163 sub harmonize {
164 my ($vals) = @_;
165
166 my $rem = 0;
167
168 for (@$vals) {
169 my $i = int $_ + $rem;
170 $rem += $_ - $i;
171 $_ = $i;
172 }
173 }
174
175 sub 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
183 sub reconfigure_widgets {
184 # make a copy, otherwise C<for> complains about freed values.
185 my @widgets = values %WIDGET;
186
187 $_->reconfigure
188 for @widgets;
189 }
190
191 # call when resolution changes etc.
192 sub rescale_widgets {
193 my ($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
218 package DC::UI::Event;
219
220 sub xy {
221 $_[1]->coord2local ($_[0]{x}, $_[0]{y})
222 }
223
224 #############################################################################
225
226 package DC::UI::Base;
227
228 use common::sense;
229
230 use DC::OpenGL;
231
232 sub new {
233 my $class = shift;
234
235 my $self = bless {
236 x => "center",
237 y => "center",
238 z => 0,
239 w => undef,
240 h => undef,
241 can_events => 1,
242 @_
243 }, $class;
244
245 DC::weaken ($DC::UI::WIDGET{$self+0} = $self);
246
247 for (keys %$self) {
248 if (/^on_(.*)$/) {
249 $self->connect ($1 => delete $self->{$_});
250 }
251 }
252
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 $self
266 }
267
268 sub destroy {
269 my ($self) = @_;
270
271 $self->hide;
272 $self->emit ("destroy");
273 %$self = ();
274 }
275
276 sub TO_JSON {
277 { "\fw" => $_[0]{s_id} }
278 }
279
280 sub show {
281 my ($self) = @_;
282
283 return if $self->{parent};
284
285 $DC::UI::ROOT->add ($self);
286 }
287
288 sub 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 $self->visible_children;
304 }
305
306 sub set_invisible {
307 my ($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 $self->emit (visibility_change => 0);
324 }
325
326 sub set_visibility {
327 my ($self, $visible) = @_;
328
329 return if $self->{visible} == $visible;
330
331 $visible ? $self->show
332 : $self->hide;
333 }
334
335 sub toggle_visibility {
336 my ($self) = @_;
337
338 $self->{visible}
339 ? $self->hide
340 : $self->show;
341 }
342
343 sub hide {
344 my ($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
355 sub 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 $self->update;
363 }
364
365 sub set_size {
366 my ($self, $w, $h) = @_;
367
368 $self->{force_w} = List::Util::min $w, ($self->{max_w} || $::WIDTH );
369 $self->{force_h} = List::Util::min $h, ($self->{max_h} || $::HEIGHT);
370
371 $self->realloc;
372 }
373
374 ## traverse the widget chain up to find the maximum "physical" size constraints
375 #sub get_max_wh {
376 # my ($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, $h)
390 #}
391
392 sub size_request {
393 require Carp;
394 Carp::confess "size_request is abstract";
395 }
396
397 sub baseline_shift {
398 0
399 }
400
401 sub configure {
402 my ($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
432 sub children {
433 # nop
434 }
435
436 sub visible_children {
437 $_[0]->children
438 }
439
440 sub set_max_size {
441 my ($self, $w, $h) = @_;
442
443 $self->{max_w} = int $w if defined $w;
444 $self->{max_h} = int $h if defined $h;
445
446 $self->realloc;
447 }
448
449 sub set_tooltip {
450 my ($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 $DC::UI::TOOLTIP_WATCHER->invoke;
462 }
463 }
464
465 # translate global coordinates to local coordinate system
466 sub coord2local {
467 my ($self, $x, $y) = @_;
468
469 return (undef, undef) unless $self->{parent};
470
471 $self->{parent}->coord2local ($x - $self->{x}, $y - $self->{y})
472 }
473
474 # translate local coordinates to global coordinate system
475 sub coord2global {
476 my ($self, $x, $y) = @_;
477
478 return (undef, undef) unless $self->{parent};
479
480 $self->{parent}->coord2global ($x + $self->{x}, $y + $self->{y})
481 }
482
483 sub invoke_focus_in {
484 my ($self) = @_;
485
486 return if $FOCUS == $self;
487 return unless $self->{can_focus};
488
489 $FOCUS = $self;
490
491 $self->update;
492
493 0
494 }
495
496 sub invoke_focus_out {
497 my ($self) = @_;
498
499 return unless $FOCUS == $self;
500
501 undef $FOCUS;
502
503 $self->update;
504
505 $::MAPWIDGET->grab_focus #d# focus mapwidget if no other widget has focus
506 unless $FOCUS;
507
508 0
509 }
510
511 sub grab_focus {
512 my ($self) = @_;
513
514 $FOCUS->emit ("focus_out") if $FOCUS;
515 $self->emit ("focus_in");
516 }
517
518 sub invoke_mouse_motion { 0 }
519 sub invoke_button_up { 0 }
520 sub invoke_key_down { 0 }
521 sub invoke_key_up { 0 }
522 sub invoke_mouse_wheel { 0 }
523
524 sub invoke_button_down {
525 my ($self, $ev, $x, $y) = @_;
526
527 $self->grab_focus;
528
529 0
530 }
531
532 sub connect {
533 my ($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
543 sub disconnect_all {
544 my ($self, $signal) = @_;
545
546 delete $self->{signal_cb}{$signal};
547 }
548
549 my %has_coords = (
550 button_down => 1,
551 button_up => 1,
552 mouse_motion => 1,
553 mouse_wheel => 1,
554 );
555
556 sub 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
582 sub set_parent {
583 my ($self, $parent) = @_;
584
585 DC::weaken ($self->{parent} = $parent);
586 $self->set_visible if $parent->{visible};
587 }
588
589 sub realloc {
590 my ($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 $self->{req_h};
600 }
601 }
602
603 sub update {
604 my ($self) = @_;
605
606 $self->{parent}->update
607 if $self->{parent};
608 }
609
610 sub reconfigure {
611 my ($self) = @_;
612
613 $self->realloc;
614 $self->update;
615 }
616
617 # using global variables seems a bit hacky, but passing through all drawing
618 # functions seems pointless.
619 our ($draw_x, $draw_y, $draw_w, $draw_h); # screen rectangle being drawn
620
621 #sub draw {
622 #CFPlus.xs
623
624 sub _draw {
625 my ($self) = @_;
626
627 warn "no draw defined for $self\n";
628 }
629
630 sub DESTROY {
631 my ($self) = @_;
632
633 return if DC::in_destruct;
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
644 package DC::UI::DrawBG;
645
646 our @ISA = DC::UI::Base::;
647
648 use common::sense;
649
650 use DC::OpenGL;
651
652 sub new {
653 my $class = shift;
654
655 $class->SUPER::new (
656 #bg => [0, 0, 0, 0.2],
657 #active_bg => [1, 1, 1, 0.5],
658 @_
659 )
660 }
661
662 sub set_bg {
663 my ($self, $bg) = @_;
664
665 $self->{bg} = $bg;
666 $self->update;
667 }
668
669 sub _draw {
670 my ($self) = @_;
671
672 my $color = $FOCUS == $self
673 ? $self->{active_bg} || $self->{bg}
674 : $self->{bg};
675
676 if ($color && (@$color < 4 || $color->[3])) {
677 my ($w, $h) = @$self{qw(w h)};
678
679 glEnable GL_BLEND;
680 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
681 glColor_premultiply @$color;
682 glRect 0, 0, $w, $h;
683 glDisable GL_BLEND;
684 }
685 }
686
687 #############################################################################
688
689 package DC::UI::Empty;
690
691 our @ISA = DC::UI::Base::;
692
693 sub new {
694 my ($class, %arg) = @_;
695 $class->SUPER::new (can_events => 0, %arg);
696 }
697
698 sub size_request {
699 my ($self) = @_;
700
701 ($self->{w} + 0, $self->{h} + 0)
702 }
703
704 sub draw { }
705
706 #############################################################################
707
708 package DC::UI::Container;
709
710 our @ISA = DC::UI::Base::;
711
712 sub new {
713 my ($class, %arg) = @_;
714
715 my $children = delete $arg{children};
716
717 my $self = $class->SUPER::new (
718 children => [],
719 can_events => 0,
720 %arg,
721 );
722
723 $self->add (@$children)
724 if $children && @$children;
725
726 $self
727 }
728
729 sub realloc {
730 my ($self) = @_;
731
732 $self->{force_realloc} = 1;
733 $self->{force_size_alloc} = 1;
734 $self->SUPER::realloc;
735 }
736
737 sub add {
738 my ($self, @widgets) = @_;
739
740 $_->set_parent ($self)
741 for @widgets;
742
743 # TODO: only do this in widgets that need it, e.g. root, fixed
744 use sort 'stable';
745
746 $self->{children} = [
747 sort { $a->{z} <=> $b->{z} }
748 @{$self->{children}}, @widgets
749 ];
750
751 $self->realloc;
752
753 $self->emit (c_add => \@widgets);
754
755 map $_+0, @widgets
756 }
757
758 sub children {
759 @{ $_[0]{children} }
760 }
761
762 sub remove {
763 my ($self, @widgets) = @_;
764
765 $self->emit (c_remove => \@widgets);
766
767 for my $child (@widgets) {
768 delete $child->{parent};
769 $child->hide;
770 $self->{children} = [ grep $_ != $child, @{ $self->{children} } ];
771 }
772
773 $self->realloc;
774 }
775
776 sub clear {
777 my ($self) = @_;
778
779 my $children = $self->{children};
780 $self->{children} = [];
781
782 for (@$children) {
783 delete $_->{parent};
784 $_->hide;
785 }
786
787 $self->realloc;
788 }
789
790 sub find_widget {
791 my ($self, $x, $y) = @_;
792
793 $x -= $self->{x};
794 $y -= $self->{y};
795
796 my $res;
797
798 for (reverse $self->visible_children) {
799 $res = $_->find_widget ($x, $y)
800 and return $res;
801 }
802
803 $self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
804 }
805
806 sub _draw {
807 my ($self) = @_;
808
809 $_->draw for $self->visible_children;
810 }
811
812 #############################################################################
813
814 package DC::UI::Bin;
815
816 our @ISA = DC::UI::Container::;
817
818 sub new {
819 my ($class, %arg) = @_;
820
821 my $child = (delete $arg{child}) || new DC::UI::Empty::;
822
823 $class->SUPER::new (children => [$child], %arg)
824 }
825
826 sub add {
827 my ($self, $child) = @_;
828
829 $self->clear;
830 $self->SUPER::add ($child);
831 }
832
833 sub remove {
834 my ($self, $widget) = @_;
835
836 $self->SUPER::remove ($widget);
837
838 $self->{children} = [new DC::UI::Empty]
839 unless @{$self->{children}};
840 }
841
842 sub child { $_[0]->{children}[0] }
843
844 sub size_request {
845 $_[0]{children}[0]->size_request
846 }
847
848 sub invoke_size_allocate {
849 my ($self, $w, $h) = @_;
850
851 $self->{children}[0]->configure (0, 0, $w, $h);
852
853 1
854 }
855
856 #############################################################################
857 # back-buffered drawing area
858
859 package DC::UI::Window;
860
861 our @ISA = DC::UI::Bin::;
862
863 use DC::OpenGL;
864
865 sub new {
866 my ($class, %arg) = @_;
867
868 my $self = $class->SUPER::new (%arg);
869 }
870
871 sub update {
872 my ($self) = @_;
873
874 $ROOT->on_post_alloc ($self => sub { $self->render_child });
875 $self->SUPER::update;
876 }
877
878 sub invoke_size_allocate {
879 my ($self, $w, $h) = @_;
880
881 $self->update;
882
883 $self->SUPER::invoke_size_allocate ($w, $h)
884 }
885
886 sub _render {
887 my ($self) = @_;
888
889 $self->{children}[0]->draw;
890 }
891
892 sub render_child {
893 my ($self) = @_;
894
895 $self->{texture} = new_from_opengl DC::Texture $self->{w}, $self->{h}, sub {
896 glClearColor 0, 0, 0, 0;
897 glClear GL_COLOR_BUFFER_BIT;
898
899 {
900 package DC::UI::Base;
901
902 local ($draw_x, $draw_y, $draw_w, $draw_h) =
903 (0, 0, $self->{w}, $self->{h});
904
905 $self->_render;
906 }
907 };
908 }
909
910 sub _draw {
911 my ($self) = @_;
912
913 my $tex = $self->{texture}
914 or return;
915
916 glEnable GL_TEXTURE_2D;
917 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
918 glColor 0, 0, 0, 1;
919
920 $tex->draw_quad_alpha_premultiplied (0, 0);
921
922 glDisable GL_TEXTURE_2D;
923 }
924
925 #############################################################################
926
927 package DC::UI::ViewPort;
928
929 use List::Util qw(min max);
930
931 our @ISA = DC::UI::Window::;
932
933 sub new {
934 my $class = shift;
935
936 $class->SUPER::new (
937 scroll_x => 0,
938 scroll_y => 1,
939 @_,
940 )
941 }
942
943 sub size_request {
944 my ($self) = @_;
945
946 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
947
948 $w = 1 if $self->{scroll_x};
949 $h = 1 if $self->{scroll_y};
950
951 ($w, $h)
952 }
953
954 sub invoke_size_allocate {
955 my ($self, $w, $h) = @_;
956
957 my $child = $self->child;
958
959 $w = $child->{req_w} if $self->{scroll_x} && $child->{req_w};
960 $h = $child->{req_h} if $self->{scroll_y} && $child->{req_h};
961
962 $self->child->configure (0, 0, $w, $h);
963 $self->update;
964
965 1
966 }
967
968 sub set_offset {
969 my ($self, $x, $y) = @_;
970
971 my $x = max 0, min $self->child->{w} - $self->{w}, int $x;
972 my $y = max 0, min $self->child->{h} - $self->{h}, int $y;
973
974 if ($x != $self->{view_x} or $y != $self->{view_y}) {
975 $self->{view_x} = $x;
976 $self->{view_y} = $y;
977
978 $self->emit (changed => $x, $y);
979 $self->update;
980 }
981 }
982
983 sub set_center {
984 my ($self, $x, $y) = @_;
985
986 $self->set_offset ($x - $self->{w} * .5, $y - $self->{h} * .5);
987 }
988
989 sub make_visible {
990 my ($self, $x, $y, $border) = @_;
991
992 if ( $x < $self->{view_x} + $self->{w} * $border
993 || $x > $self->{view_x} + $self->{w} * (1 - $border)
994 || $y < $self->{view_y} + $self->{h} * $border
995 || $y > $self->{view_y} + $self->{h} * (1 - $border)
996 ) {
997 $self->set_center ($x, $y);
998 }
999 }
1000
1001 # hmm, this does not work for topleft of $self... but we should not ask for that
1002 sub coord2local {
1003 my ($self, $x, $y) = @_;
1004
1005 $self->SUPER::coord2local ($x + $self->{view_x}, $y + $self->{view_y})
1006 }
1007
1008 sub coord2global {
1009 my ($self, $x, $y) = @_;
1010
1011 $x = List::Util::min $self->{w}, $x - $self->{view_x};
1012 $y = List::Util::min $self->{h}, $y - $self->{view_y};
1013
1014 $self->SUPER::coord2global ($x, $y)
1015 }
1016
1017 sub find_widget {
1018 my ($self, $x, $y) = @_;
1019
1020 if ( $x >= $self->{x} && $x < $self->{x} + $self->{w}
1021 && $y >= $self->{y} && $y < $self->{y} + $self->{h}
1022 ) {
1023 $self->child->find_widget ($x + $self->{view_x}, $y + $self->{view_y})
1024 } else {
1025 $self->DC::UI::Base::find_widget ($x, $y)
1026 }
1027 }
1028
1029 sub _render {
1030 my ($self) = @_;
1031
1032 local $DC::UI::Base::draw_x = $DC::UI::Base::draw_x - $self->{view_x};
1033 local $DC::UI::Base::draw_y = $DC::UI::Base::draw_y - $self->{view_y};
1034
1035 DC::OpenGL::glTranslate -$self->{view_x}, -$self->{view_y};
1036
1037 $self->SUPER::_render;
1038 }
1039
1040 #############################################################################
1041
1042 package DC::UI::ScrolledWindow;
1043
1044 our @ISA = DC::UI::Table::;
1045
1046 sub new {
1047 my ($class, %arg) = @_;
1048
1049 my $child = delete $arg{child};
1050
1051 my $self;
1052
1053 my $hslider = new DC::UI::Slider
1054 c_col => 0,
1055 c_row => 1,
1056 vertical => 0,
1057 range => [0, 0, 1, 0.01], # HACK fix
1058 on_changed => sub {
1059 $self->{hpos} = $_[1];
1060 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1061 },
1062 ;
1063
1064 my $vslider = new DC::UI::Slider
1065 c_col => 1,
1066 c_row => 0,
1067 vertical => 1,
1068 range => [0, 0, 1, 0.01], # HACK fix
1069 on_changed => sub {
1070 $self->{vpos} = $_[1];
1071 $self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
1072 },
1073 ;
1074
1075 $self = $class->SUPER::new (
1076 scroll_x => 0,
1077 scroll_y => 1,
1078 can_events => 1,
1079 hslider => $hslider,
1080 vslider => $vslider,
1081 col_expand => [1, 0],
1082 row_expand => [1, 0],
1083 %arg,
1084 );
1085
1086 $self->{vp} = new DC::UI::ViewPort
1087 c_col => 0,
1088 c_row => 0,
1089 expand => 1,
1090 scroll_x => $self->{scroll_x},
1091 scroll_y => $self->{scroll_y},
1092 on_changed => sub {
1093 my ($vp, $x, $y) = @_;
1094
1095 $vp->{parent}{hslider}->set_value ($x);
1096 $vp->{parent}{vslider}->set_value ($y);
1097
1098 0
1099 },
1100 on_size_allocate => sub {
1101 my ($vp, $w, $h) = @_;
1102 $vp->{parent}->update_slider;
1103 0
1104 },
1105 ;
1106
1107 $self->SUPER::add ($self->{vp});
1108
1109 $self->add ($child) if $child;
1110
1111 $self
1112 }
1113
1114 sub add {
1115 my ($self, $widget) = @_;
1116
1117 $self->{vp}->add ($self->{child} = $widget);
1118 }
1119
1120 sub set_offset { shift->{vp}->set_offset (@_) }
1121 sub set_center { shift->{vp}->set_center (@_) }
1122 sub make_visible { shift->{vp}->make_visible (@_) }
1123
1124 sub update_slider {
1125 my ($self) = @_;
1126
1127 my $child = ($self->{vp} or return)->child;
1128
1129 if ($self->{scroll_x}) {
1130 my ($w1, $w2) = ($child->{req_w}, $self->{vp}{w});
1131 $self->{hslider}->set_range ([$self->{hslider}{range}[0], 0, $w1, $w2, 1]);
1132
1133 my $visible = $w1 > $w2;
1134 if ($visible != $self->{hslider_visible}) {
1135 $self->{hslider_visible} = $visible;
1136 $visible ? $self->SUPER::add ($self->{hslider})
1137 : $self->SUPER::remove ($self->{hslider});
1138 }
1139 }
1140
1141 if ($self->{scroll_y}) {
1142 my ($h1, $h2) = ($child->{req_h}, $self->{vp}{h});
1143 $self->{vslider}->set_range ([$self->{vslider}{range}[0], 0, $h1, $h2, 1]);
1144
1145 my $visible = $h1 > $h2;
1146 if ($visible != $self->{vslider_visible}) {
1147 $self->{vslider_visible} = $visible;
1148 $visible ? $self->SUPER::add ($self->{vslider})
1149 : $self->SUPER::remove ($self->{vslider});
1150 }
1151 }
1152 }
1153
1154 sub start_dragging {
1155 my ($self, $ev) = @_;
1156
1157 $self->grab_focus;
1158
1159 my $ox = $self->{vp}{view_x};
1160 my $oy = $self->{vp}{view_y};
1161
1162 $self->{motion} = sub {
1163 my ($ev, $x, $y) = @_;
1164
1165 $ox -= $ev->{xrel};
1166 $oy -= $ev->{yrel};
1167
1168 $self->{vp}->set_offset ($ox, $oy);
1169 };
1170 }
1171
1172 sub invoke_mouse_wheel {
1173 my ($self, $ev) = @_;
1174
1175 $self->{vslider}->emit (mouse_wheel => $ev) if $self->{vslider_visible};
1176 $self->{hslider}->emit (mouse_wheel => $ev) if $self->{hslider_visible};
1177
1178 1
1179 }
1180
1181 sub invoke_button_down {
1182 my ($self, $ev, $x, $y) = @_;
1183
1184 if ($ev->{button} == 2) {
1185 $self->start_dragging ($ev);
1186 return 1;
1187 }
1188
1189 0
1190 }
1191
1192 sub invoke_button_up {
1193 my ($self, $ev, $x, $y) = @_;
1194
1195 if (delete $self->{motion}) {
1196 return 1;
1197 }
1198
1199 0
1200 }
1201
1202 sub invoke_mouse_motion {
1203 my ($self, $ev, $x, $y) = @_;
1204
1205 if ($self->{motion}) {
1206 $self->{motion}->($ev, $x, $y);
1207 return 1;
1208 }
1209
1210 0
1211 }
1212
1213 sub invoke_size_allocate {
1214 my ($self, $w, $h) = @_;
1215
1216 $self->update_slider;
1217 $self->SUPER::invoke_size_allocate ($w, $h)
1218 }
1219
1220 #############################################################################
1221
1222 package DC::UI::Frame;
1223
1224 our @ISA = DC::UI::Bin::;
1225
1226 use DC::OpenGL;
1227
1228 sub new {
1229 my $class = shift;
1230
1231 $class->SUPER::new (
1232 bg => undef,
1233 @_,
1234 )
1235 }
1236
1237 sub _draw {
1238 my ($self) = @_;
1239
1240 if ($self->{bg}) {
1241 my ($w, $h) = @$self{qw(w h)};
1242
1243 glEnable GL_BLEND;
1244 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
1245 glColor_premultiply @{ $self->{bg} };
1246 glRect 0, 0, $w, $h;
1247 glDisable GL_BLEND;
1248 }
1249
1250 $self->SUPER::_draw;
1251 }
1252
1253 #############################################################################
1254
1255 package DC::UI::FancyFrame;
1256
1257 our @ISA = DC::UI::Bin::;
1258
1259 use DC::OpenGL;
1260
1261 sub new {
1262 my ($class, %arg) = @_;
1263
1264 if ((exists $arg{label}) && !ref $arg{label}) {
1265 $arg{label} = new DC::UI::Label
1266 align => 1,
1267 valign => 0.5,
1268 text => $arg{label},
1269 fontsize => ($arg{border} || 0.8) * 0.75;
1270 }
1271
1272 my $self = $class->SUPER::new (
1273 # label => "",
1274 fg => undef,
1275 border => 0.8,
1276 style => 'single',
1277 %arg,
1278 );
1279
1280 $self
1281 }
1282
1283 sub add {
1284 my ($self, @widgets) = @_;
1285
1286 $self->SUPER::add (@widgets);
1287 $self->DC::UI::Container::add ($self->{label}) if $self->{label};
1288 }
1289
1290 sub border {
1291 int $_[0]{border} * $::FONTSIZE
1292 }
1293
1294 sub size_request {
1295 my ($self) = @_;
1296
1297 ($self->{label_w}, undef) = $self->{label}->size_request
1298 if $self->{label};
1299
1300 my ($w, $h) = $self->SUPER::size_request;
1301
1302 (
1303 $w + $self->border * 2,
1304 $h + $self->border * 2,
1305 )
1306 }
1307
1308 sub invoke_size_allocate {
1309 my ($self, $w, $h) = @_;
1310
1311 my $border = $self->border;
1312
1313 $w -= List::Util::max 0, $border * 2;
1314 $h -= List::Util::max 0, $border * 2;
1315
1316 if (my $label = $self->{label}) {
1317 $label->{w} = List::Util::max 0, List::Util::min $self->{label_w}, $w - $border * 2;
1318 $label->{h} = List::Util::min $h, $border;
1319 $label->invoke_size_allocate ($label->{w}, $label->{h});
1320 }
1321
1322 $self->child->configure ($border, $border, $w, $h);
1323
1324 1
1325 }
1326
1327 sub _draw {
1328 my ($self) = @_;
1329
1330 my $child = $self->{children}[0];
1331
1332 my $border = $self->border;
1333 my ($w, $h) = ($self->{w}, $self->{h});
1334
1335 $child->draw;
1336
1337 glColor @{$self->{fg} || $DC::THEME{fancyframe}};
1338 glBegin GL_LINE_STRIP;
1339 glVertex $border * 1.5 , $border * 0.5 + 0.5;
1340 glVertex $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1341 glVertex $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1342 glVertex $w - $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
1343 glVertex $w - $border * 0.5 + 0.5, $border * 0.5 + 0.5;
1344 glVertex $self->{label} ? $border * 2 + $self->{label}{w} : $border * 1.5, $border * 0.5 + 0.5;
1345 glEnd;
1346
1347 if ($self->{label}) {
1348 glTranslate $border * 2, 0;
1349 $self->{label}->_draw;
1350 }
1351 }
1352
1353 #############################################################################
1354
1355 package DC::UI::Toplevel;
1356
1357 our @ISA = DC::UI::Bin::;
1358
1359 use DC::OpenGL;
1360
1361 my $bg =
1362 new_from_resource DC::Texture "d1_bg.png",
1363 mipmap => 1, wrap => 1;
1364
1365 my @border =
1366 map { new_from_resource DC::Texture $_, mipmap => 1 }
1367 qw(d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
1368
1369 my @icon =
1370 map { new_from_resource DC::Texture $_, mipmap => 1 }
1371 qw(x1_move.png x1_resize.png);
1372
1373 sub new {
1374 my ($class, %arg) = @_;
1375
1376 my $self = $class->SUPER::new (
1377 bg => [1, 1, 1, 1],
1378 border_bg => [1, 1, 1, 1],
1379 border => 0.8,
1380 can_events => 1,
1381 min_w => 64,
1382 min_h => 32,
1383 %arg,
1384 );
1385
1386 $self->{title_widget} = new DC::UI::Label
1387 align => 0.5,
1388 valign => 1,
1389 text => $self->{title},
1390 fontsize => $self->{border},
1391 if exists $self->{title};
1392
1393 if ($self->{has_close_button}) {
1394 $self->{close_button} =
1395 new DC::UI::ImageButton
1396 path => 'x1_close.png',
1397 on_activate => sub { $self->emit ("delete") };
1398
1399 $self->DC::UI::Container::add ($self->{close_button});
1400 }
1401
1402 $self
1403 }
1404
1405 sub add {
1406 my ($self, @widgets) = @_;
1407
1408 $self->SUPER::add (@widgets);
1409 $self->DC::UI::Container::add ($self->{close_button}) if $self->{close_button};
1410 $self->DC::UI::Container::add ($self->{title_widget}) if $self->{title_widget};
1411 }
1412
1413 sub border {
1414 int $_[0]{border} * $::FONTSIZE
1415 }
1416
1417 #sub get_max_wh {
1418 # my ($self) = @_;
1419 #
1420 # return ($self->{w}, $self->{h})
1421 # if $self->{visible} && $self->{w};
1422 #
1423 # $self->SUPER::get_max_wh
1424 #}
1425
1426 sub size_request {
1427 my ($self) = @_;
1428
1429 $self->{title_widget}->size_request
1430 if $self->{title_widget};
1431
1432 $self->{close_button}->size_request
1433 if $self->{close_button};
1434
1435 my ($w, $h) = $self->SUPER::size_request;
1436
1437 (
1438 $w + $self->border * 2,
1439 $h + $self->border * 2,
1440 )
1441 }
1442
1443 sub invoke_size_allocate {
1444 my ($self, $w, $h) = @_;
1445
1446 if ($self->{title_widget}) {
1447 $self->{title_widget}{w} = $w;
1448 $self->{title_widget}{h} = $h;
1449 $self->{title_widget}->invoke_size_allocate ($w, $h);
1450 }
1451
1452 my $border = $self->border;
1453
1454 $h -= List::Util::max 0, $border * 2;
1455 $w -= List::Util::max 0, $border * 2;
1456
1457 $self->child->configure ($border, $border, $w, $h);
1458
1459 $self->{close_button}->configure ($self->{w} - $border, 0, $border, $border)
1460 if $self->{close_button};
1461
1462 1
1463 }
1464
1465 sub invoke_delete {
1466 my ($self) = @_;
1467
1468 $self->hide;
1469
1470 1
1471 }
1472
1473 sub invoke_button_down {
1474 my ($self, $ev, $x, $y) = @_;
1475
1476 my ($w, $h) = @$self{qw(w h)};
1477 my $border = $self->border;
1478
1479 my $lr = ($x >= 0 && $x < $border) || ($x > $w - $border && $x < $w); # left-right
1480 my $td = ($y >= 0 && $y < $border) || ($y > $h - $border && $y < $h); # top-down
1481
1482 if ($lr & $td) { # corners
1483 my ($wx, $wy) = ($self->{x}, $self->{y});
1484 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1485 my ($bw, $bh) = ($self->{w}, $self->{h});
1486
1487 my $mx = $x < $border;
1488 my $my = $y < $border;
1489
1490 $self->{motion} = sub {
1491 my ($ev, $x, $y) = @_;
1492
1493 my $dx = $ev->{x} - $ox;
1494 my $dy = $ev->{y} - $oy;
1495
1496 $self->set_size (
1497 $bw + $dx * ($mx ? -1 : 1),
1498 $bh + $dy * ($my ? -1 : 1),
1499 );
1500
1501 $self->move_abs ($wx + $dx * $mx, $wy + $dy * $my);
1502 $self->realloc;
1503 };
1504
1505 } elsif ($lr ^ $td) { # edges
1506 my ($ox, $oy) = ($ev->{x}, $ev->{y});
1507 my ($bx, $by) = ($self->{x}, $self->{y});
1508
1509 $self->{motion} = sub {
1510 my ($ev, $x, $y) = @_;
1511
1512 ($x, $y) = ($ev->{x}, $ev->{y});
1513
1514 $self->move_abs ($bx + $x - $ox, $by + $y - $oy);
1515 # HACK: the next line is required to enforce placement
1516 $self->{parent}->invoke_size_allocate ($self->{parent}{w}, $self->{parent}{h});
1517 };
1518 } else {
1519 return 0;
1520 }
1521
1522 1
1523 }
1524
1525 sub invoke_button_up {
1526 my ($self, $ev, $x, $y) = @_;
1527
1528 ! ! delete $self->{motion}
1529 }
1530
1531 sub invoke_mouse_motion {
1532 my ($self, $ev, $x, $y) = @_;
1533
1534 $self->{motion}->($ev, $x, $y) if $self->{motion};
1535
1536 ! ! $self->{motion}
1537 }
1538
1539 sub invoke_visibility_change {
1540 my ($self, $visible) = @_;
1541
1542 delete $self->{motion} unless $visible;
1543
1544 0
1545 }
1546
1547 sub _draw {
1548 my ($self) = @_;
1549
1550 my $child = $self->{children}[0];
1551
1552 my ($w, $h ) = ($self->{w}, $self->{h});
1553 my ($cw, $ch) = ($child->{w}, $child->{h});
1554
1555 glEnable GL_TEXTURE_2D;
1556 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
1557
1558 my $border = $self->border;
1559
1560 if ($border) {
1561 glColor @{ $self->{border_bg} };
1562 $border[0]->draw_quad_alpha ( 0, 0, $w, $border);
1563 $border[1]->draw_quad_alpha ( 0, $border, $border, $ch);
1564 $border[2]->draw_quad_alpha ($w - $border, $border, $border, $ch);
1565 $border[3]->draw_quad_alpha ( 0, $h - $border, $w, $border);
1566
1567 # move
1568 my $w2 = ($w - $border) * .5;
1569 my $h2 = ($h - $border) * .5;
1570 $icon[0]->draw_quad_alpha ( 0, $h2, $border, $border);
1571 $icon[0]->draw_quad_alpha ($w - $border, $h2, $border, $border);
1572 $icon[0]->draw_quad_alpha ($w2 , $h - $border, $border, $border);
1573
1574 # resize
1575 $icon[1]->draw_quad_alpha ( 0, 0, $border, $border);
1576 $icon[1]->draw_quad_alpha ($w - $border, 0, $border, $border)
1577 unless $self->{has_close_button};
1578 $icon[1]->draw_quad_alpha ( 0, $h - $border, $border, $border);
1579 $icon[1]->draw_quad_alpha ($w - $border, $h - $border, $border, $border);
1580 }
1581
1582 if (@{$self->{bg}} < 4 || $self->{bg}[3]) {
1583 glColor @{ $self->{bg} };
1584
1585 # TODO: repeat texture not scale
1586 # solve this better(?)
1587 $bg->{s} = $cw / $bg->{w};
1588 $bg->{t} = $ch / $bg->{h};
1589 $bg->draw_quad_alpha ($border, $border, $cw, $ch);
1590 }
1591
1592 glDisable GL_TEXTURE_2D;
1593
1594 $child->draw;
1595
1596 if ($self->{title_widget}) {
1597 glTranslate 0, $border - $self->{h};
1598 $self->{title_widget}->_draw;
1599
1600 glTranslate 0, - ($border - $self->{h});
1601 }
1602
1603 $self->{close_button}->draw
1604 if $self->{close_button};
1605 }
1606
1607 #############################################################################
1608
1609 package DC::UI::Table;
1610
1611 our @ISA = DC::UI::Container::;
1612
1613 use List::Util qw(max sum);
1614
1615 use DC::OpenGL;
1616
1617 sub new {
1618 my $class = shift;
1619
1620 $class->SUPER::new (
1621 col_expand => [],
1622 row_expand => [],
1623 @_,
1624 )
1625 }
1626
1627 sub add {
1628 my ($self, @widgets) = @_;
1629
1630 for my $child (@widgets) {
1631 $child->{c_rowspan} ||= 1;
1632 $child->{c_colspan} ||= 1;
1633 }
1634
1635 $self->SUPER::add (@widgets);
1636 }
1637
1638 sub add_at {
1639 my $self = shift;
1640
1641 my @widgets;
1642
1643 while (@_) {
1644 my ($col, $row, $child) = splice @_, 0, 3, ();
1645
1646 $child->{c_row} = $row;
1647 $child->{c_col} = $col;
1648
1649 push @widgets, $child;
1650 }
1651
1652 $self->add (@widgets);
1653 }
1654
1655 sub get_wh {
1656 my ($self) = @_;
1657
1658 my (@w, @h);
1659
1660 my @children = $self->children;
1661
1662 # first pass, columns
1663 for my $widget (sort { $a->{c_colspan} <=> $b->{c_colspan} } @children) {
1664 my ($c, $w, $cs) = @$widget{qw(c_col req_w c_colspan)};
1665
1666 my $sw = sum @w[$c .. $c + $cs - 1];
1667
1668 if ($w > $sw) {
1669 $_ += ($w - $sw) / ($_ ? $sw / $_ : $cs) for @w[$c .. $c + $cs - 1];
1670 }
1671 }
1672
1673 # second pass, rows
1674 for my $widget (sort { $a->{c_rowspan} <=> $b->{c_rowspan} } @children) {
1675 my ($r, $h, $rs) = @$widget{qw(c_row req_h c_rowspan)};
1676
1677 my $sh = sum @h[$r .. $r + $rs - 1];
1678
1679 if ($h > $sh) {
1680 $_ += ($h - $sh) / ($_ ? $sh / $_ : $rs) for @h[$r .. $r + $rs - 1];
1681 }
1682 }
1683
1684 (\@w, \@h)
1685 }
1686
1687 sub size_request {
1688 my ($self) = @_;
1689
1690 my ($ws, $hs) = $self->get_wh;
1691
1692 (
1693 (sum @$ws),
1694 (sum @$hs),
1695 )
1696 }
1697
1698 sub invoke_size_allocate {
1699 my ($self, $w, $h) = @_;
1700
1701 my ($ws, $hs) = $self->get_wh;
1702
1703 my $req_w = (sum @$ws) || 1;
1704 my $req_h = (sum @$hs) || 1;
1705
1706 # now linearly scale the rows/columns to the allocated size
1707 my @col_expand = @{$self->{col_expand}};
1708 @col_expand = (1) x @$ws unless @col_expand;
1709 my $col_expand = (sum @col_expand) || 1;
1710
1711 $ws->[$_] += $col_expand[$_] / $col_expand * ($w - $req_w) for 0 .. $#$ws;
1712
1713 DC::UI::harmonize $ws;
1714
1715 my @row_expand = @{$self->{row_expand}};
1716 @row_expand = (1) x @$ws unless @row_expand;
1717 my $row_expand = (sum @row_expand) || 1;
1718
1719 $hs->[$_] += $row_expand[$_] / $row_expand * ($h - $req_h) for 0 .. $#$hs;
1720
1721 DC::UI::harmonize $hs;
1722
1723 my @x; for (0 .. $#$ws) { $x[$_ + 1] = $x[$_] + $ws->[$_] }
1724 my @y; for (0 .. $#$hs) { $y[$_ + 1] = $y[$_] + $hs->[$_] }
1725
1726 for my $widget ($self->children) {
1727 my ($r, $c, $w, $h, $rs, $cs) = @$widget{qw(c_row c_col req_w req_h c_rowspan c_colspan)};
1728
1729 $widget->configure (
1730 $x[$c], $y[$r],
1731 $x[$c + $cs] - $x[$c], $y[$r + $rs] - $y[$r],
1732 );
1733 }
1734
1735 1
1736 }
1737
1738 #############################################################################
1739
1740 package DC::UI::Fixed;
1741
1742 use List::Util qw(min max);
1743
1744 our @ISA = DC::UI::Container::;
1745
1746 sub _scale($$$) {
1747 my ($rel, $val, $max) = @_;
1748
1749 $rel ? $val * $max : $val
1750 }
1751
1752 sub size_request {
1753 my ($self) = @_;
1754
1755 my ($x1, $y1, $x2, $y2) = (0, 0, 0, 0);
1756
1757 # determine overall size by querying abs widgets
1758 for my $child ($self->visible_children) {
1759 unless ($child->{c_rel}) {
1760 my $x = $child->{c_x};
1761 my $y = $child->{c_y};
1762
1763 $x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
1764 $y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
1765 }
1766 }
1767
1768 my $W = $x2 - $x1;
1769 my $H = $y2 - $y1;
1770
1771 # now layout remaining widgets
1772 for my $child ($self->visible_children) {
1773 if ($child->{c_rel}) {
1774 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1775 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1776
1777 $x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
1778 $y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
1779 }
1780 }
1781
1782 my $W = $x2 - $x1;
1783 my $H = $y2 - $y1;
1784
1785 ($W, $H)
1786 }
1787
1788 sub invoke_size_allocate {
1789 my ($self, $W, $H) = @_;
1790
1791 for my $child ($self->visible_children) {
1792 my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
1793 my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
1794
1795 $x += $child->{c_halign} * $child->{req_w};
1796 $y += $child->{c_valign} * $child->{req_h};
1797
1798 $child->configure (int $x, int $y, $child->{req_w}, $child->{req_h});
1799 }
1800
1801 1
1802 }
1803
1804 #############################################################################
1805
1806 package DC::UI::Box;
1807
1808 our @ISA = DC::UI::Container::;
1809
1810 sub size_request {
1811 my ($self) = @_;
1812
1813 my @children = $self->visible_children;
1814
1815 $self->{vertical}
1816 ? (
1817 (List::Util::max map $_->{req_w}, @children),
1818 (List::Util::sum map $_->{req_h}, @children),
1819 )
1820 : (
1821 (List::Util::sum map $_->{req_w}, @children),
1822 (List::Util::max map $_->{req_h}, @children),
1823 )
1824 }
1825
1826 sub invoke_size_allocate {
1827 my ($self, $w, $h) = @_;
1828
1829 my $space = $self->{vertical} ? $h : $w;
1830 my @children = $self->visible_children;
1831
1832 my @req;
1833
1834 if ($self->{homogeneous}) {
1835 @req = ($space / (@children || 1)) x @children;
1836 } else {
1837 @req = map $_->{$self->{vertical} ? "req_h" : "req_w"}, @children;
1838 my $req = List::Util::sum @req;
1839
1840 if ($req > $space) {
1841 # ah well, not enough space
1842 $_ *= $space / $req for @req;
1843 } else {
1844 my $expand = (List::Util::sum map $_->{expand}, @children) || 1;
1845
1846 $space = ($space - $req) / $expand; # remaining space to give away
1847
1848 $req[$_] += $space * $children[$_]{expand}
1849 for 0 .. $#children;
1850 }
1851 }
1852
1853 DC::UI::harmonize \@req;
1854
1855 my $pos = 0;
1856 for (0 .. $#children) {
1857 my $alloc = $req[$_];
1858 $children[$_]->configure ($self->{vertical} ? (0, $pos, $w, $alloc) : ($pos, 0, $alloc, $h));
1859
1860 $pos += $alloc;
1861 }
1862
1863 1
1864 }
1865
1866 #############################################################################
1867
1868 package DC::UI::HBox;
1869
1870 our @ISA = DC::UI::Box::;
1871
1872 sub new {
1873 my $class = shift;
1874
1875 $class->SUPER::new (
1876 vertical => 0,
1877 @_,
1878 )
1879 }
1880
1881 #############################################################################
1882
1883 package DC::UI::VBox;
1884
1885 our @ISA = DC::UI::Box::;
1886
1887 sub new {
1888 my $class = shift;
1889
1890 $class->SUPER::new (
1891 vertical => 1,
1892 @_,
1893 )
1894 }
1895
1896 #############################################################################
1897
1898 package DC::UI::Label;
1899
1900 our @ISA = DC::UI::DrawBG::;
1901
1902 use DC::OpenGL;
1903
1904 sub new {
1905 my ($class, %arg) = @_;
1906
1907 my $self = $class->SUPER::new (
1908 fg => [1, 1, 1],
1909 #bg => none
1910 #active_bg => none
1911 #font => default_font
1912 #text => initial text
1913 #markup => initial narkup
1914 #max_w => maximum pixel width
1915 #style => 0, # render flags
1916 ellipsise => 3, # end
1917 layout => (new DC::Layout),
1918 fontsize => 1,
1919 align => 0.5,
1920 valign => 0.5,
1921 padding_x => 4,
1922 padding_y => 2,
1923 can_events => 0,
1924 %arg
1925 );
1926
1927 if (exists $self->{template}) {
1928 my $layout = new DC::Layout;
1929 $layout->set_text (delete $self->{template});
1930 $self->{template} = $layout;
1931 }
1932
1933 if (exists $self->{markup}) {
1934 $self->set_markup (delete $self->{markup});
1935 } else {
1936 $self->set_text (delete $self->{text});
1937 }
1938
1939 $self
1940 }
1941
1942 sub update {
1943 my ($self) = @_;
1944
1945 delete $self->{texture};
1946 $self->SUPER::update;
1947 }
1948
1949 sub realloc {
1950 my ($self) = @_;
1951
1952 delete $self->{ox};
1953 $self->SUPER::realloc;
1954 }
1955
1956 sub clear {
1957 my ($self) = @_;
1958
1959 $self->set_text ("");
1960 }
1961
1962 sub set_text {
1963 my ($self, $text) = @_;
1964
1965 return if $self->{text} eq "T$text";
1966 $self->{text} = "T$text";
1967
1968 $self->{layout}->set_text ($text);
1969
1970 delete $self->{size_req};
1971 $self->realloc;
1972 $self->update;
1973 }
1974
1975 sub set_markup {
1976 my ($self, $markup) = @_;
1977
1978 return if $self->{text} eq "M$markup";
1979 $self->{text} = "M$markup";
1980
1981 my $rgba = $markup =~ /span.*(?:foreground|background)/;
1982
1983 $self->{layout}->set_markup ($markup);
1984
1985 delete $self->{size_req};
1986 $self->realloc;
1987 $self->update;
1988 }
1989
1990 sub size_request {
1991 my ($self) = @_;
1992
1993 $self->{size_req} ||= do {
1994 my $max_w = $self->{w} || $self->{max_w} || $::WIDTH || 0x0fffffff; # actually 2**31-1 but allow for overflow inside pango
1995
1996 $self->{layout}->set_font ($self->{font}) if $self->{font};
1997 $self->{layout}->set_width ($max_w);
1998 $self->{layout}->set_ellipsise ($self->{ellipsise});
1999 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
2000 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
2001
2002 my ($w, $h) = $self->{layout}->size;
2003
2004 if (exists $self->{template}) {
2005 $self->{template}->set_font ($self->{font}) if $self->{font};
2006 $self->{template}->set_width ($max_w);
2007 $self->{template}->set_height ($self->{fontsize} * $::FONTSIZE);
2008
2009 my ($w2, $h2) = $self->{template}->size;
2010
2011 $w = List::Util::max $w, $w2;
2012 $h = List::Util::max $h, $h2;
2013 }
2014
2015 [$w, $h]
2016 };
2017
2018 @{ $self->{size_req} }
2019 }
2020
2021 sub baseline_shift {
2022 $_[0]{layout}->descent
2023 }
2024
2025 sub invoke_size_allocate {
2026 my ($self, $w, $h) = @_;
2027
2028 delete $self->{ox};
2029
2030 delete $self->{texture}
2031 unless $w >= $self->{req_w} && $self->{old_w} >= $self->{req_w};
2032
2033 1
2034 }
2035
2036 sub set_fontsize {
2037 my ($self, $fontsize) = @_;
2038
2039 $self->{fontsize} = $fontsize;
2040 delete $self->{size_req};
2041 delete $self->{texture};
2042
2043 $self->realloc;
2044 }
2045
2046 sub reconfigure {
2047 my ($self) = @_;
2048
2049 delete $self->{size_req};
2050 delete $self->{texture};
2051
2052 $self->SUPER::reconfigure;
2053 }
2054
2055 sub _draw {
2056 my ($self) = @_;
2057
2058 $self->SUPER::_draw; # draw background, if applicable
2059
2060 my $size = $self->{texture} ||= do {
2061 $self->{layout}->set_foreground (@{$self->{fg}});
2062 $self->{layout}->set_font ($self->{font}) if $self->{font};
2063 $self->{layout}->set_width ($self->{w});
2064 $self->{layout}->set_ellipsise ($self->{ellipsise});
2065 $self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
2066 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
2067
2068 [$self->{layout}->size]
2069 };
2070
2071 unless (exists $self->{ox}) {
2072 $self->{ox} = $self->{padding_x} + int $self->{align} * ($self->{w} - $size->[0] - $self->{padding_x} * 2);
2073 $self->{oy} = $self->{padding_y} + int $self->{valign} * ($self->{h} - $size->[1] - $self->{padding_y} * 2);
2074
2075 $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2076 };
2077
2078 # unless ($self->{list}) {
2079 # $self->{list} = DC::OpenGL::glGenList;
2080 # DC::OpenGL::glNewList $self->{list};
2081 # $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
2082 # DC::OpenGL::glEndList;
2083 # }
2084 #
2085 # DC::OpenGL::glCallList $self->{list};
2086
2087 $self->{layout}->draw;
2088 }
2089
2090 #sub destroy {
2091 # my ($self) = @_;
2092 #
2093 # DC::OpenGL::glDeleteList delete $self->{list} if $self->{list};
2094 #
2095 # $self->SUPER::destroy;
2096 #}
2097
2098 #############################################################################
2099
2100 package DC::UI::EntryBase;
2101
2102 our @ISA = DC::UI::Label::;
2103
2104 use DC::OpenGL;
2105
2106 sub new {
2107 my $class = shift;
2108
2109 $class->SUPER::new (
2110 fg => [1, 1, 1],
2111 bg => [0, 0, 0, 0.2],
2112 outline => undef,
2113 active_bg => [0, 0, 1, .2],
2114 active_fg => [1, 1, 1],
2115 active_outline => [1, 1, 0],
2116 can_hover => 1,
2117 can_focus => 1,
2118 align => 0,
2119 valign => 0.5,
2120 can_events => 1,
2121 ellipsise => 0,
2122 padding_x => 4,
2123 padding_y => 2,
2124 #text => ...
2125 #hidden => "*",
2126 @_
2127 )
2128 }
2129
2130 sub _set_text {
2131 my ($self, $text) = @_;
2132
2133 delete $self->{cur_h};
2134
2135 return if $self->{text} eq $text;
2136
2137 $self->{last_activity} = $::NOW;
2138 $self->{text} = $text;
2139
2140 $text =~ s/./*/g if $self->{hidden};
2141 $self->{layout}->set_text ("$text ");
2142 delete $self->{size_req};
2143
2144 $self->emit (changed => $self->{text});
2145
2146 $self->realloc;
2147 $self->update;
2148 }
2149
2150 sub set_text {
2151 my ($self, $text) = @_;
2152
2153 $self->{cursor} = length $text;
2154 $self->_set_text ($text);
2155 }
2156
2157 sub get_text {
2158 $_[0]{text}
2159 }
2160
2161 sub size_request {
2162 my ($self) = @_;
2163
2164 my ($w, $h) = $self->SUPER::size_request;
2165
2166 ($w + 1, $h) # add 1 for cursor
2167 }
2168
2169 sub invoke_key_down {
2170 my ($self, $ev) = @_;
2171
2172 my $mod = $ev->{mod};
2173 my $sym = $ev->{sym};
2174 my $uni = $ev->{unicode};
2175
2176 my $text = $self->get_text;
2177
2178 $self->{cursor} = List::Util::max 0, List::Util::min $self->{cursor}, length $text;
2179
2180 if ($sym == DC::SDLK_BACKSPACE) {
2181 substr $text, --$self->{cursor}, 1, "" if $self->{cursor};
2182 } elsif ($sym == DC::SDLK_DELETE) {
2183 substr $text, $self->{cursor}, 1, "";
2184 } elsif ($sym == DC::SDLK_LEFT) {
2185 --$self->{cursor} if $self->{cursor};
2186 } elsif ($sym == DC::SDLK_RIGHT) {
2187 ++$self->{cursor} if $self->{cursor} < length $self->{text};
2188 } elsif ($sym == DC::SDLK_HOME) {
2189 # what a hack
2190 $self->{cursor} =
2191 (substr $self->{text}, 0, $self->{cursor}) =~ /^(.*\012)/
2192 ? length $1
2193 : 0;
2194 } elsif ($sym == DC::SDLK_END) {
2195 # uh, again
2196 $self->{cursor} =
2197 (substr $self->{text}, $self->{cursor}) =~ /^([^\012]*)\012/
2198 ? $self->{cursor} + length $1
2199 : length $self->{text};
2200 } elsif ($uni == 21) { # ctrl-u
2201 $text = "";
2202 $self->{cursor} = 0;
2203 } elsif ($uni == 27) {
2204 $self->emit ('escape');
2205 } elsif ($uni == 0x0d) {
2206 substr $text, $self->{cursor}++, 0, "\012";
2207 } elsif ($uni >= 0x20) {
2208 substr $text, $self->{cursor}++, 0, chr $uni;
2209 } else {
2210 return 0;
2211 }
2212
2213 $self->_set_text ($text);
2214
2215 $self->realloc;
2216 $self->update;
2217
2218 1
2219 }
2220
2221 sub invoke_focus_in {
2222 my ($self) = @_;
2223
2224 $self->{last_activity} = $::NOW;
2225
2226 $self->SUPER::invoke_focus_in
2227 }
2228
2229 sub invoke_button_down {
2230 my ($self, $ev, $x, $y) = @_;
2231
2232 $self->SUPER::invoke_button_down ($ev, $x, $y);
2233
2234 my $idx = $self->{layout}->xy_to_index ($x, $y);
2235
2236 # byte-index to char-index
2237 my $text = $self->{text};
2238 utf8::encode $text; $text = substr $text, 0, $idx; utf8::decode $text;
2239 $self->{cursor} = length $text;
2240
2241 $self->_set_text ($self->{text});
2242 $self->update;
2243
2244 1
2245 }
2246
2247 sub invoke_mouse_motion {
2248 my ($self, $ev, $x, $y) = @_;
2249 # printf "M %d,%d %d,%d\n", $ev->motion_x, $ev->motion_y, $x, $y;#d#
2250
2251 1
2252 }
2253
2254 sub _draw {
2255 my ($self) = @_;
2256
2257 local $self->{fg} = $self->{fg};
2258
2259 if ($FOCUS == $self) {
2260 glColor_premultiply @{$self->{active_bg}};
2261 $self->{fg} = $self->{active_fg};
2262 } else {
2263 glColor_premultiply @{$self->{bg}};
2264 }
2265
2266 glEnable GL_BLEND;
2267 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2268 glRect 0, 0, $self->{w}, $self->{h};
2269 glDisable GL_BLEND;
2270
2271 $self->SUPER::_draw;
2272
2273 #TODO: force update every cursor change :(
2274 if ($FOCUS == $self && (($::NOW - $self->{last_activity}) & 1023) < 600) {
2275
2276 unless (exists $self->{cur_h}) {
2277 my $text = substr $self->{text}, 0, $self->{cursor};
2278 utf8::encode $text;
2279
2280 @$self{qw(cur_x cur_y cur_h)} = $self->{layout}->cursor_pos (length $text);
2281 }
2282
2283 glColor_premultiply @{$self->{active_fg}};
2284 glBegin GL_LINES;
2285 glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy};
2286 glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy} + $self->{cur_h};
2287 glEnd;
2288
2289 glLineWidth 3;
2290 glColor @{$self->{active_outline}};
2291 glRect_lineloop 1.5, 1.5, $self->{w} - 1.5, $self->{h} - 1.5;
2292 glLineWidth 1;
2293
2294 } else {
2295 glColor @{$self->{outline} || $DC::THEME{entry_outline}};
2296 glBegin GL_LINE_STRIP;
2297 glVertex .5, $self->{h} * .5;
2298 glVertex .5, $self->{h} - 2.5;
2299 glVertex $self->{w} - .5, $self->{h} - 2.5;
2300 glVertex $self->{w} - .5, $self->{h} * .5;
2301 glEnd;
2302 }
2303 }
2304
2305 #############################################################################
2306
2307 package DC::UI::Entry;
2308
2309 our @ISA = DC::UI::EntryBase::;
2310
2311 use DC::OpenGL;
2312
2313 sub new {
2314 my $class = shift;
2315
2316 $class->SUPER::new (
2317 history_pointer => -1,
2318 @_
2319 )
2320 }
2321
2322
2323 sub invoke_key_down {
2324 my ($self, $ev) = @_;
2325
2326 my $sym = $ev->{sym};
2327
2328 if ($ev->{uni} == 0x0d || $sym == 13) {
2329 unshift @{$self->{history}},
2330 my $txt = $self->get_text;
2331
2332 $self->{history_pointer} = -1;
2333 $self->{history_saveback} = '';
2334 $self->emit (activate => $txt);
2335 $self->update;
2336
2337 } elsif ($sym == DC::SDLK_UP) {
2338 if ($self->{history_pointer} < 0) {
2339 $self->{history_saveback} = $self->get_text;
2340 }
2341 if (@{$self->{history} || []} > 0) {
2342 $self->{history_pointer}++;
2343 if ($self->{history_pointer} >= @{$self->{history} || []}) {
2344 $self->{history_pointer} = @{$self->{history} || []} - 1;
2345 }
2346 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2347 }
2348
2349 } elsif ($sym == DC::SDLK_DOWN) {
2350 $self->{history_pointer}--;
2351 $self->{history_pointer} = -1 if $self->{history_pointer} < 0;
2352
2353 if ($self->{history_pointer} >= 0) {
2354 $self->set_text ($self->{history}->[$self->{history_pointer}]);
2355 } else {
2356 if (defined $self->{history_saveback}) {
2357 $self->set_text ($self->{history_saveback});
2358 $self->{history_saveback} = undef;
2359 }
2360 }
2361
2362 } else {
2363 return $self->SUPER::invoke_key_down ($ev)
2364 }
2365
2366 1
2367 }
2368
2369 #############################################################################
2370
2371 package DC::UI::TextEdit;
2372
2373 our @ISA = DC::UI::EntryBase::;
2374
2375 use DC::OpenGL;
2376
2377 sub new {
2378 my $class = shift;
2379
2380 $class->SUPER::new (
2381 padding_y => 4,
2382
2383 @_
2384 )
2385 }
2386
2387 sub move_cursor_ver {
2388 my ($self, $dy) = @_;
2389
2390 my ($line, $x) = $self->{layout}->index_to_line_x ($self->{cursor});
2391
2392 $line += $dy;
2393
2394 if (defined (my $index = $self->{layout}->line_x_to_index ($line, $x))) {
2395 $self->{cursor} = $index;
2396 delete $self->{cur_h};
2397 $self->update;
2398 return;
2399 }
2400 }
2401
2402 sub invoke_key_down {
2403 my ($self, $ev) = @_;
2404
2405 my $sym = $ev->{sym};
2406
2407 if ($sym == DC::SDLK_UP) {
2408 $self->move_cursor_ver (-1);
2409 } elsif ($sym == DC::SDLK_DOWN) {
2410 $self->move_cursor_ver (+1);
2411 } else {
2412 return $self->SUPER::invoke_key_down ($ev)
2413 }
2414
2415 1
2416 }
2417
2418 #############################################################################
2419
2420 package DC::UI::ButtonBin;
2421
2422 our @ISA = DC::UI::Bin::;
2423
2424 use DC::OpenGL;
2425
2426 my @tex =
2427 map { new_from_resource DC::Texture $_, mipmap => 1 }
2428 qw(b1_button_inactive.png b1_button_active.png);
2429
2430 sub new {
2431 my $class = shift;
2432
2433 $class->SUPER::new (
2434 can_hover => 1,
2435 align => 0.5,
2436 valign => 0.5,
2437 can_events => 1,
2438 @_
2439 )
2440 }
2441
2442 sub invoke_button_up {
2443 my ($self, $ev, $x, $y) = @_;
2444
2445 $self->emit ("activate")
2446 if $x >= 0 && $x < $self->{w}
2447 && $y >= 0 && $y < $self->{h};
2448
2449 1
2450 }
2451
2452 sub _draw {
2453 my ($self) = @_;
2454
2455 glEnable GL_TEXTURE_2D;
2456 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2457 glColor 0, 0, 0, 1;
2458
2459 my $tex = $tex[$GRAB == $self];
2460 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
2461
2462 glDisable GL_TEXTURE_2D;
2463
2464 $self->SUPER::_draw;
2465 }
2466
2467 #############################################################################
2468
2469 package DC::UI::Button;
2470
2471 our @ISA = DC::UI::Label::;
2472
2473 use DC::OpenGL;
2474
2475 my @tex =
2476 map { new_from_resource DC::Texture $_, mipmap => 1 }
2477 qw(b1_button_inactive.png b1_button_active.png);
2478
2479 sub new {
2480 my $class = shift;
2481
2482 $class->SUPER::new (
2483 padding_x => 8,
2484 padding_y => 4,
2485 fg => [1.0, 1.0, 1.0],
2486 active_fg => [0.8, 0.8, 0.8],
2487 can_hover => 1,
2488 align => 0.5,
2489 valign => 0.5,
2490 can_events => 1,
2491 @_
2492 )
2493 }
2494
2495 sub invoke_button_up {
2496 my ($self, $ev, $x, $y) = @_;
2497
2498 $self->emit ("activate")
2499 if $x >= 0 && $x < $self->{w}
2500 && $y >= 0 && $y < $self->{h};
2501
2502 1
2503 }
2504
2505 sub _draw {
2506 my ($self) = @_;
2507
2508 local $self->{fg} = $GRAB == $self ? $self->{active_fg} : $self->{fg};
2509
2510 glEnable GL_TEXTURE_2D;
2511 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2512 glColor 0, 0, 0, 1;
2513
2514 my $tex = $tex[$GRAB == $self];
2515 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
2516
2517 glDisable GL_TEXTURE_2D;
2518
2519 $self->SUPER::_draw;
2520 }
2521
2522 #############################################################################
2523
2524 package DC::UI::CheckBox;
2525
2526 our @ISA = DC::UI::DrawBG::;
2527
2528 my @tex =
2529 map { new_from_resource DC::Texture $_, mipmap => 1 }
2530 qw(c1_checkbox_bg.png c1_checkbox_active.png);
2531
2532 use DC::OpenGL;
2533
2534 sub new {
2535 my $class = shift;
2536
2537 $class->SUPER::new (
2538 fontsize => 1,
2539 padding_x => 2,
2540 padding_y => 2,
2541 fg => [1, 1, 1],
2542 active_fg => [1, 1, 0],
2543 bg => [0, 0, 0, 0.2],
2544 active_bg => [1, 1, 1, 0.5],
2545 state => 0,
2546 can_hover => 1,
2547 @_
2548 )
2549 }
2550
2551 sub size_request {
2552 my ($self) = @_;
2553
2554 ($self->{fontsize} * $::FONTSIZE) x 2
2555 }
2556
2557 sub toggle {
2558 my ($self) = @_;
2559
2560 $self->{state} = !$self->{state};
2561 $self->emit (changed => $self->{state});
2562 $self->update;
2563 }
2564
2565 sub invoke_button_down {
2566 my ($self, $ev, $x, $y) = @_;
2567
2568 if ($x >= $self->{padding_x} && $x < $self->{w} - $self->{padding_x}
2569 && $y >= $self->{padding_y} && $y < $self->{h} - $self->{padding_y}) {
2570 $self->toggle;
2571 } else {
2572 return 0
2573 }
2574
2575 1
2576 }
2577
2578 sub _draw {
2579 my ($self) = @_;
2580
2581 $self->SUPER::_draw;
2582
2583 glTranslate $self->{padding_x}, $self->{padding_y}, 0;
2584
2585 my ($w, $h) = @$self{qw(w h)};
2586
2587 my $s = List::Util::min $w - $self->{padding_x} * 2, $h - $self->{padding_y} * 2;
2588
2589 glColor @{ $FOCUS == $self ? $self->{active_fg} : $self->{fg} };
2590
2591 my $tex = $self->{state} ? $tex[1] : $tex[0];
2592
2593 glEnable GL_TEXTURE_2D;
2594 $tex->draw_quad_alpha (0, 0, $s, $s);
2595 glDisable GL_TEXTURE_2D;
2596 }
2597
2598 #############################################################################
2599
2600 package DC::UI::Image;
2601
2602 our @ISA = DC::UI::DrawBG::;
2603
2604 use DC::OpenGL;
2605
2606 our %texture_cache;
2607
2608 sub new {
2609 my $class = shift;
2610
2611 my $self = $class->SUPER::new (
2612 can_events => 0,
2613 scale => 1,
2614 @_,
2615 );
2616
2617 $self->{path} || $self->{tex}
2618 or Carp::croak "'path' or 'tex' attributes required";
2619
2620 $self->{tex} ||= $texture_cache{$self->{path}} ||=
2621 new_from_resource DC::Texture $self->{path}, mipmap => 1;
2622
2623 DC::weaken $texture_cache{$self->{path}};
2624
2625 $self->{aspect} ||= $self->{tex}{w} / $self->{tex}{h};
2626
2627 $self
2628 }
2629
2630 sub STORABLE_freeze {
2631 my ($self, $cloning) = @_;
2632
2633 $self->{path}
2634 or die "cannot serialise DC::UI::Image on non-loadable images\n";
2635
2636 $self->{path}
2637 }
2638
2639 sub STORABLE_attach {
2640 my ($self, $cloning, $path) = @_;
2641
2642 $self->new (path => $path)
2643 }
2644
2645 sub set_texture {
2646 my ($self, $tex) = @_;
2647
2648 $self->{tex} = $tex;
2649 $self->update;
2650 }
2651
2652 sub size_request {
2653 my ($self) = @_;
2654
2655 (int $self->{tex}{w} * $self->{scale}, int $self->{tex}{h} * $self->{scale})
2656 }
2657
2658 sub _draw {
2659 my ($self) = @_;
2660
2661 $self->SUPER::_draw;
2662
2663 my $tex = $self->{tex};
2664
2665 my ($w, $h) = ($self->{w}, $self->{h});
2666
2667 if ($self->{rot90}) {
2668 glRotate 90, 0, 0, 1;
2669 glTranslate 0, -$self->{w}, 0;
2670
2671 ($w, $h) = ($h, $w);
2672 }
2673
2674 glEnable GL_TEXTURE_2D;
2675 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2676
2677 $tex->draw_quad_alpha (0, 0, $w, $h);
2678
2679 glDisable GL_TEXTURE_2D;
2680 }
2681
2682 #############################################################################
2683
2684 package DC::UI::ImageButton;
2685
2686 our @ISA = DC::UI::Image::;
2687
2688 use DC::OpenGL;
2689
2690 sub new {
2691 my $class = shift;
2692
2693 my $self = $class->SUPER::new (
2694 padding_x => 4,
2695 padding_y => 4,
2696 fg => [1, 1, 1],
2697 active_fg => [0, 0, 1],
2698 can_hover => 1,
2699 align => 0.5,
2700 valign => 0.5,
2701 can_events => 1,
2702 @_
2703 );
2704 }
2705
2706 sub invoke_button_down {
2707 my ($self, $ev, $x, $y) = @_;
2708
2709 1
2710 }
2711
2712 sub invoke_button_up {
2713 my ($self, $ev, $x, $y) = @_;
2714
2715 $self->emit ("activate")
2716 if $x >= 0 && $x < $self->{w}
2717 && $y >= 0 && $y < $self->{h};
2718
2719 1
2720 }
2721
2722 #############################################################################
2723
2724 package DC::UI::VGauge;
2725
2726 our @ISA = DC::UI::Base::;
2727
2728 use List::Util qw(min max);
2729
2730 use DC::OpenGL;
2731
2732 my %tex = (
2733 food => [
2734 map { new_from_resource DC::Texture $_, mipmap => 1 }
2735 qw/g1_food_gauge_empty.png g1_food_gauge_full.png/
2736 ],
2737 grace => [
2738 map { new_from_resource DC::Texture $_, mipmap => 1 }
2739 qw/g1_grace_gauge_empty.png g1_grace_gauge_full.png g1_grace_gauge_overflow.png/
2740 ],
2741 hp => [
2742 map { new_from_resource DC::Texture $_, mipmap => 1 }
2743 qw/g1_hp_gauge_empty.png g1_hp_gauge_full.png/
2744 ],
2745 mana => [
2746 map { new_from_resource DC::Texture $_, mipmap => 1 }
2747 qw/g1_mana_gauge_empty.png g1_mana_gauge_full.png g1_mana_gauge_overflow.png/
2748 ],
2749 );
2750
2751 # eg. VGauge->new (gauge => 'food'), default gauge: food
2752 sub new {
2753 my $class = shift;
2754
2755 my $self = $class->SUPER::new (
2756 type => 'food',
2757 @_
2758 );
2759
2760 $self->{aspect} = $tex{$self->{type}}[0]{w} / $tex{$self->{type}}[0]{h};
2761
2762 $self
2763 }
2764
2765 sub size_request {
2766 my ($self) = @_;
2767
2768 #my $tex = $tex{$self->{type}}[0];
2769 #@$tex{qw(w h)}
2770 (0, 0)
2771 }
2772
2773 sub set_max {
2774 my ($self, $max) = @_;
2775
2776 return if $self->{max_val} == $max;
2777
2778 $self->{max_val} = $max;
2779 $self->update;
2780 }
2781
2782 sub set_value {
2783 my ($self, $val, $max) = @_;
2784
2785 $self->set_max ($max)
2786 if defined $max;
2787
2788 return if $self->{val} == $val;
2789
2790 $self->{val} = $val;
2791 $self->update;
2792 }
2793
2794 sub _draw {
2795 my ($self) = @_;
2796
2797 my $tex = $tex{$self->{type}};
2798 my ($t1, $t2, $t3) = @$tex;
2799
2800 my ($w, $h) = ($self->{w}, $self->{h});
2801
2802 if ($self->{vertical}) {
2803 glRotate 90, 0, 0, 1;
2804 glTranslate 0, -$self->{w}, 0;
2805
2806 ($w, $h) = ($h, $w);
2807 }
2808
2809 my $ycut = $self->{val} / ($self->{max_val} || 1);
2810
2811 my $ycut1 = max 0, min 1, $ycut;
2812 my $ycut2 = max 0, min 1, $ycut - 1;
2813
2814 my $h1 = $self->{h} * (1 - $ycut1);
2815 my $h2 = $self->{h} * (1 - $ycut2);
2816 my $h3 = $self->{h};
2817
2818 $_ = $_ * (284-4)/288 + 4/288 for ($h1, $h2, $h3);
2819
2820 glEnable GL_BLEND;
2821 glBlendFuncSeparate GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
2822 GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2823 glEnable GL_TEXTURE_2D;
2824 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
2825
2826 glBindTexture GL_TEXTURE_2D, $t1->{name};
2827 glBegin GL_QUADS;
2828 glTexCoord 0 , 0; glVertex 0 , 0;
2829 glTexCoord 0 , $t1->{t} * (1 - $ycut1); glVertex 0 , $h1;
2830 glTexCoord $t1->{s}, $t1->{t} * (1 - $ycut1); glVertex $w, $h1;
2831 glTexCoord $t1->{s}, 0; glVertex $w, 0;
2832 glEnd;
2833
2834 my $ycut1 = List::Util::min 1, $ycut;
2835 glBindTexture GL_TEXTURE_2D, $t2->{name};
2836 glBegin GL_QUADS;
2837 glTexCoord 0 , $t2->{t} * (1 - $ycut1); glVertex 0 , $h1;
2838 glTexCoord 0 , $t2->{t} * (1 - $ycut2); glVertex 0 , $h2;
2839 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut2); glVertex $w, $h2;
2840 glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut1); glVertex $w, $h1;
2841 glEnd;
2842
2843 if ($t3) {
2844 glBindTexture GL_TEXTURE_2D, $t3->{name};
2845 glBegin GL_QUADS;
2846 glTexCoord 0 , $t3->{t} * (1 - $ycut2); glVertex 0 , $h2;
2847 glTexCoord 0 , $t3->{t}; glVertex 0 , $h3;
2848 glTexCoord $t3->{s}, $t3->{t}; glVertex $w, $h3;
2849 glTexCoord $t3->{s}, $t3->{t} * (1 - $ycut2); glVertex $w, $h2;
2850 glEnd;
2851 }
2852
2853 glDisable GL_BLEND;
2854 glDisable GL_TEXTURE_2D;
2855 }
2856
2857 #############################################################################
2858
2859 package DC::UI::Progress;
2860
2861 our @ISA = DC::UI::Label::;
2862
2863 use DC::OpenGL;
2864
2865 sub new {
2866 my ($class, %arg) = @_;
2867
2868 my $self = $class->SUPER::new (
2869 padding_x => 2,
2870 padding_y => 2,
2871 fg => [1, 1, 1],
2872 bg => [0, 0, 1, 0.2],
2873 bar => [0.7, 0.5, 0.1, 0.8],
2874 outline => [0.4, 0.3, 0],
2875 fontsize => 0.9,
2876 valign => 0.5,
2877 align => 0.5,
2878 can_events => 1,
2879 ellipsise => 1,
2880 label => "%d%%",
2881 %arg,
2882 );
2883
2884 $self->set_value ($arg{value} || -1);
2885
2886 $self
2887 }
2888
2889 sub set_label {
2890 my ($self, $label) = @_;
2891
2892 return if $self->{label} eq $label;
2893 $self->{label} = $label;
2894
2895 $self->DC::UI::Progress::set_value (0 + delete $self->{value});
2896 }
2897
2898 sub set_value {
2899 my ($self, $value) = @_;
2900
2901 if ($self->{value} ne $value) {
2902 $self->{value} = $value;
2903
2904 if ($value < 0) {
2905 $self->set_text ("-");
2906 } else {
2907 $self->set_text (sprintf $self->{label}, $value * 100);
2908 }
2909
2910 $self->update;
2911 }
2912 }
2913
2914 sub _draw {
2915 my ($self) = @_;
2916
2917 glEnable GL_BLEND;
2918 glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
2919
2920 my $px = $self->{padding_x};
2921 my $py = $self->{padding_y};
2922
2923 if ($self->{value} >= 0) {
2924 my $s = int $px + ($self->{w} - $px * 2) * $self->{value};
2925
2926 glColor_premultiply @{$self->{bar}};
2927 glRect $px, $py, $s, $self->{h} - $py;
2928 glColor_premultiply @{$self->{bg}};
2929 glRect $s , $py, $self->{w} - $px, $self->{h} - $py;
2930 }
2931
2932 glColor_premultiply @{$self->{outline}};
2933
2934 $px -= .5;
2935 $py -= .5;
2936
2937 glRect_lineloop $px, $py, $self->{w} - $px, $self->{h} - $py;
2938
2939 glDisable GL_BLEND;
2940
2941 {
2942 local $self->{bg}; # do not draw background
2943 $self->SUPER::_draw;
2944 }
2945 }
2946
2947 #############################################################################
2948
2949 package DC::UI::ExperienceProgress;
2950
2951 our @ISA = DC::UI::Progress::;
2952
2953 sub new {
2954 my ($class, %arg) = @_;
2955
2956 my $tt = exists $arg{tooltip} ? "$arg{tooltip}\n\n" : "";
2957
2958 my $self = $class->SUPER::new (
2959 %arg,
2960 tooltip => sub {
2961 my ($self) = @_;
2962
2963 sprintf "%slevel %d\n%s points\n%s next level\n%s to go, %d%% done",
2964 $tt,
2965 $self->{lvl},
2966 ::formsep ($self->{exp}),
2967 ::formsep ($self->{nxt}),
2968 ::formsep ($self->{nxt} - $self->{exp}),
2969 $self->_percent * 100,
2970 },
2971 );
2972
2973 $::CONN->{on_exp_update}{$self+0} = sub { $self->set_value ($self->{value}) }
2974 if $::CONN;
2975
2976 $self
2977 }
2978
2979 sub DESTROY {
2980 my ($self) = @_;
2981
2982 delete $::CONN->{on_exp_update}{$self+0}
2983 if $::CONN;
2984
2985 $self->SUPER::DESTROY;
2986 }
2987
2988 sub _percent {
2989 my ($self) = @_;
2990
2991 my $table = $::CONN && $::CONN->{exp_table}
2992 or return -1;
2993
2994 my $l0 = $table->[$self->{lvl} - 1];
2995 my $l1 = $table->[$self->{lvl}];
2996
2997 $self->{nxt} = $l1;
2998
2999 ($self->{exp} - $l0) / ($l1 - $l0)
3000 }
3001
3002 sub set_value {
3003 my ($self, $lvl, $exp) = @_;
3004
3005 $self->{lvl} = $lvl;
3006 $self->{exp} = $exp;
3007
3008 $self->SUPER::set_value ($self->_percent);
3009 }
3010
3011 #############################################################################
3012
3013 package DC::UI::Gauge;
3014
3015 our @ISA = DC::UI::VBox::;
3016
3017 sub new {
3018 my ($class, %arg) = @_;
3019
3020 my $self = $class->SUPER::new (
3021 tooltip => $arg{type},
3022 can_hover => 1,
3023 can_events => 1,
3024 %arg,
3025 );
3026
3027 $self->add ($self->{value} = new DC::UI::Label valign => 1, align => 0.5, template => "999");
3028 $self->add ($self->{gauge} = new DC::UI::VGauge type => $self->{type}, expand => 1, can_hover => 1);
3029 $self->add ($self->{max} = new DC::UI::Label valign => 0, align => 0.5, template => "999");
3030
3031 $self
3032 }
3033
3034 sub set_fontsize {
3035 my ($self, $fsize) = @_;
3036
3037 $self->{value}->set_fontsize ($fsize);
3038 $self->{max} ->set_fontsize ($fsize);
3039 }
3040
3041 sub set_max {
3042 my ($self, $max) = @_;
3043
3044 $self->{gauge}->set_max ($max);
3045 $self->{max}->set_text ($max);
3046 }
3047
3048 sub set_value {
3049 my ($self, $val, $max) = @_;
3050
3051 $self->set_max ($max)
3052 if defined $max;
3053
3054 $self->{gauge}->set_value ($val, $max);
3055 $self->{value}->set_text ($val);
3056 }
3057
3058 #############################################################################
3059
3060 package DC::UI::Slider;
3061
3062 use common::sense;
3063
3064 use DC::OpenGL;
3065
3066 our @ISA = DC::UI::DrawBG::;
3067
3068 my @tex =
3069 map { new_from_resource DC::Texture $_ }
3070 qw(s1_slider.png s1_slider_bg.png);
3071
3072 sub new {
3073 my $class = shift;
3074
3075 # range [value, low, high, page, unit]
3076
3077 # TODO: 0-width page
3078 # TODO: req_w/h are wrong with vertical
3079 # TODO: calculations are off
3080 my $self = $class->SUPER::new (
3081 fg => [1, 1, 1],
3082 active_fg => [0, 0, 0],
3083 bg => [0, 0, 0, 0.2],
3084 active_bg => [1, 1, 1, 0.5],
3085 range => [0, 0, 100, 10, 0],
3086 min_w => $::WIDTH / 80,
3087 min_h => $::WIDTH / 80,
3088 vertical => 0,
3089 can_hover => 1,
3090 inner_pad => 0.02,
3091 @_
3092 );
3093
3094 $self->set_value ($self->{range}[0]);
3095 $self->update;
3096
3097 $self
3098 }
3099
3100 sub set_range {
3101 my ($self, $range) = @_;
3102
3103 ($range, $self->{range}) = ($self->{range}, $range);
3104
3105 if ("@$range" ne "@{$self->{range}}") {
3106 $self->update;
3107 $self->set_value ($self->{range}[0]);
3108 }
3109 }
3110
3111 sub set_value {
3112 my ($self, $value) = @_;
3113
3114 my ($old_value, $lo, $hi, $page, $unit) = @{$self->{range}};
3115
3116 $hi = $lo if $hi < $lo;
3117
3118 $value = $hi - $page if $value > $hi - $page;
3119 $value = $lo if $value < $lo;
3120
3121 $value = $lo + $unit * int +($value - $lo + $unit * 0.5) / $unit
3122 if $unit;
3123
3124 @{$self->{range}} = ($value, $lo, $hi, $page, $unit);
3125
3126 if ($value != $old_value) {
3127 $self->emit (changed => $value);
3128 $self->update;
3129 }
3130 }
3131
3132 sub size_request {
3133 my ($self) = @_;
3134
3135 ($self->{req_w}, $self->{req_h})
3136 }
3137
3138 sub invoke_button_down {
3139 my ($self, $ev, $x, $y) = @_;
3140
3141 $self->SUPER::invoke_button_down ($ev, $x, $y);
3142
3143 $self->{click} = [$self->{range}[0], $self->{vertical} ? $y : $x];
3144
3145 $self->invoke_mouse_motion ($ev, $x, $y);
3146
3147 1
3148 }
3149
3150 sub invoke_mouse_motion {
3151 my ($self, $ev, $x, $y) = @_;
3152
3153 if ($GRAB == $self) {
3154 my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w});
3155
3156 my (undef, $lo, $hi, $page) = @{$self->{range}};
3157
3158 $x = ($x - $self->{click}[1]) / ($w * $self->{scale} || 1e999);
3159
3160 $self->set_value ($self->{click}[0] + $x * ($hi - $page - $lo));
3161 } else {
3162 return 0;
3163 }
3164
3165 1
3166 }
3167
3168 sub invoke_mouse_wheel {
3169 my ($self, $ev) = @_;
3170
3171 my $delta = $self->{vertical} ? $ev->{dy} : $ev->{dx};
3172
3173 my $pagepart = $ev->{mod} & DC::KMOD_SHIFT ? 1 : 0.2;
3174
3175 $self->set_value ($self->{range}[0] + $delta * $self->{range}[3] * $pagepart);
3176
3177 1
3178 }
3179
3180 sub update {
3181 my ($self) = @_;
3182
3183 delete $self->{knob_w};
3184 $self->SUPER::update;
3185 }
3186
3187 sub _draw {
3188 my ($self) = @_;
3189
3190 unless ($self->{knob_w}) {
3191 $self->set_value ($self->{range}[0]);
3192
3193 my ($value, $lo, $hi, $page, $unit) = @{$self->{range}};
3194 my $range = ($hi - $page - $lo) || 1e-10;
3195
3196 my $knob_w = List::Util::min 1, $page / (($hi - $lo) || 1e-10) || 24 / $self->{w};
3197
3198 $self->{offset} = List::Util::max $self->{inner_pad}, $knob_w * 0.5;
3199 $self->{scale} = 1 - 2 * $self->{offset} || 1e-100;
3200
3201 $value = ($value - $lo) / $range;
3202 $value = $value * $self->{scale} + $self->{offset};
3203
3204 $self->{knob_x} = $value - $knob_w * 0.5;
3205 $self->{knob_w} = $knob_w;
3206 }
3207
3208 $self->SUPER::_draw ();
3209
3210 glScale $self->{w}, $self->{h};
3211
3212 if ($self->{vertical}) {
3213 # draw a vertical slider like a rotated horizontal slider
3214
3215 glTranslate 1, 0, 0;
3216 glRotate 90, 0, 0, 1;
3217 }
3218
3219 my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg};
3220 my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg};
3221
3222 glEnable GL_TEXTURE_2D;
3223 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3224
3225 # draw background
3226 $tex[1]->draw_quad_alpha (0, 0, 1, 1);
3227
3228 # draw handle
3229 $tex[0]->draw_quad_alpha ($self->{knob_x}, 0, $self->{knob_w}, 1);
3230
3231 glDisable GL_TEXTURE_2D;
3232 }
3233
3234 #############################################################################
3235
3236 package DC::UI::ValSlider;
3237
3238 our @ISA = DC::UI::HBox::;
3239
3240 sub new {
3241 my ($class, %arg) = @_;
3242
3243 my $range = delete $arg{range};
3244
3245 my $self = $class->SUPER::new (
3246 slider => (new DC::UI::Slider expand => 1, range => $range),
3247 entry => (new DC::UI::Label text => "", template => delete $arg{template}),
3248 to_value => sub { shift },
3249 from_value => sub { shift },
3250 %arg,
3251 );
3252
3253 $self->{slider}->connect (changed => sub {
3254 my ($self, $value) = @_;
3255 $self->{parent}{entry}->set_text ($self->{parent}{to_value}->($value));
3256 $self->{parent}->emit (changed => $value);
3257 });
3258
3259 # $self->{entry}->connect (changed => sub {
3260 # my ($self, $value) = @_;
3261 # $self->{parent}{slider}->set_value ($self->{parent}{from_value}->($value));
3262 # $self->{parent}->emit (changed => $value);
3263 # });
3264
3265 $self->add ($self->{slider}, $self->{entry});
3266
3267 $self->{slider}->emit (changed => $self->{slider}{range}[0]);
3268
3269 $self
3270 }
3271
3272 sub set_range { shift->{slider}->set_range (@_) }
3273 sub set_value { shift->{slider}->set_value (@_) }
3274
3275 #############################################################################
3276
3277 package DC::UI::TextScroller;
3278
3279 our @ISA = DC::UI::HBox::;
3280
3281 use DC::OpenGL;
3282
3283 sub new {
3284 my $class = shift;
3285
3286 my $self = $class->SUPER::new (
3287 fontsize => 1,
3288 can_events => 1,
3289 indent => 0,
3290 #font => default_font
3291 @_,
3292
3293 layout => (new DC::Layout),
3294 max_par => 0,
3295 height => 0,
3296 children => [
3297 (new DC::UI::Empty expand => 1),
3298 (new DC::UI::Slider vertical => 1),
3299 ],
3300 );
3301
3302 $self->{children}[1]->connect (changed => sub { $self->update });
3303
3304 $self->add_paragraph (@{ delete $self->{par} }) if @{ $self->{par} };
3305
3306 $self
3307 }
3308
3309 sub set_fontsize {
3310 my ($self, $fontsize) = @_;
3311
3312 $self->{fontsize} = $fontsize;
3313 $self->reflow;
3314 }
3315
3316 sub size_request {
3317 my ($self) = @_;
3318
3319 my ($empty, $slider) = $self->visible_children;
3320
3321 local $self->{children} = [$empty, $slider];
3322 $self->SUPER::size_request
3323 }
3324
3325 sub invoke_size_allocate {
3326 my ($self, $w, $h) = @_;
3327
3328 my ($empty, $slider, @other) = @{ $self->{children} };
3329 $_->configure (@$_{qw(x y req_w req_h)}) for @other;
3330
3331 $self->{layout}->set_font ($self->{font}) if $self->{font};
3332 $self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
3333 $self->{layout}->set_width ($empty->{w});
3334 $self->{layout}->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3335
3336 $self->reflow;
3337
3338 local $self->{children} = [$empty, $slider];
3339 $self->SUPER::invoke_size_allocate ($w, $h)
3340 }
3341
3342 sub invoke_mouse_wheel {
3343 my ($self, $ev) = @_;
3344
3345 return 0 unless $ev->{dy}; # only vertical movements
3346
3347 $self->{children}[1]->emit (mouse_wheel => $ev);
3348
3349 1
3350 }
3351
3352 sub get_layout {
3353 my ($self, $para) = @_;
3354
3355 my $layout = $self->{layout};
3356
3357 $layout->set_font ($self->{font}) if $self->{font};
3358 $layout->set_foreground (@{$para->{fg}});
3359 $layout->set_height ($self->{fontsize} * $::FONTSIZE);
3360 $layout->set_width ($self->{children}[0]{w} - $para->{indent});
3361 $layout->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
3362 $layout->set_markup ($para->{markup});
3363
3364 $layout->set_shapes (
3365 map
3366 +(0, $_->baseline_shift + $_->{padding_y} - $_->{h}, $_->{w}, $_->{h}),
3367 @{$para->{widget}}
3368 );
3369
3370 $layout
3371 }
3372
3373 sub reflow {
3374 my ($self) = @_;
3375
3376 $self->{need_reflow}++;
3377 $self->update;
3378 }
3379
3380 sub set_offset {
3381 my ($self, $offset) = @_;
3382
3383 # todo: base offset on lines or so, not on pixels
3384 $self->{children}[1]->set_value ($offset);
3385 }
3386
3387 sub current_paragraph {
3388 my ($self) = @_;
3389
3390 $self->{top_paragraph} - 1
3391 }
3392
3393 sub scroll_to {
3394 my ($self, $para) = @_;
3395
3396 $para = List::Util::max 0, List::Util::min $#{$self->{par}}, $para;
3397
3398 $self->{scroll_to} = $para;
3399 $self->update;
3400 }
3401
3402 sub clear {
3403 my ($self) = @_;
3404
3405 my (undef, undef, @other) = @{ $self->{children} };
3406 $self->remove ($_) for @other;
3407
3408 $self->{par} = [];
3409 $self->{height} = 0;
3410 $self->{children}[1]->set_range ([0, 0, 0, 1, 1]);
3411 }
3412
3413 sub add_paragraph {
3414 my $self = shift;
3415
3416 for my $para (@_) {
3417 $para = {
3418 fg => [1, 1, 1, 1],
3419 indent => 0,
3420 markup => "",
3421 widget => [],
3422 ref $para ? %$para : (markup => $para),
3423 w => 1e10,
3424 wrapped => 1,
3425 };
3426
3427 $self->add (@{ $para->{widget} }) if @{ $para->{widget} };
3428 push @{$self->{par}}, $para;
3429 }
3430
3431 if (my $max = $self->{max_par}) {
3432 shift @{$self->{par}} while @{$self->{par}} > $max;
3433 }
3434
3435 $self->{need_reflow}++;
3436 $self->update;
3437 }
3438
3439 sub scroll_to_bottom {
3440 my ($self) = @_;
3441
3442 $self->{scroll_to} = $#{$self->{par}};
3443 $self->update;
3444 }
3445
3446 sub force_uptodate {
3447 my ($self) = @_;
3448
3449 if (delete $self->{need_reflow}) {
3450 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3451
3452 my $height = 0;
3453
3454 for my $para (@{$self->{par}}) {
3455 if ($para->{w} != $W && ($para->{wrapped} || $para->{w} > $W)) {
3456 my $layout = $self->get_layout ($para);
3457 my ($w, $h) = $layout->size;
3458
3459 $para->{w} = $w + $para->{indent};
3460 $para->{h} = $h;
3461 $para->{wrapped} = $layout->has_wrapped;
3462 }
3463
3464 $para->{y} = $height;
3465 $height += $para->{h};
3466 }
3467
3468 $self->{height} = $height;
3469 $self->{children}[1]->set_range ([$self->{children}[1]{range}[0], 0, $height, $H, 1]);
3470
3471 delete $self->{texture};
3472 }
3473
3474 if (my $paridx = delete $self->{scroll_to}) {
3475 $self->{children}[1]->set_value ($self->{par}[$paridx]{y});
3476 }
3477 }
3478
3479 sub update {
3480 my ($self) = @_;
3481
3482 $self->SUPER::update;
3483
3484 return unless $self->{h} > 0;
3485
3486 delete $self->{texture};
3487
3488 $ROOT->on_post_alloc ($self => sub {
3489 $self->force_uptodate;
3490
3491 my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
3492
3493 $self->{texture} ||= new_from_opengl DC::Texture $W, $H, sub {
3494 glClearColor 0, 0, 0, 0;
3495 glClear GL_COLOR_BUFFER_BIT;
3496
3497 package DC::UI::Base;
3498 local ($draw_x, $draw_y, $draw_w, $draw_h) =
3499 (0, 0, $self->{w}, $self->{h});
3500
3501 my $top = int $self->{children}[1]{range}[0];
3502
3503 my $paridx = 0;
3504 my $top_paragraph;
3505 my $top = int $self->{children}[1]{range}[0];
3506
3507 my $y0 = $top;
3508 my $y1 = $top + $H;
3509
3510 for my $para (@{$self->{par}}) {
3511 my $h = $para->{h};
3512 my $y = $para->{y};
3513
3514 if ($y0 < $y + $h && $y < $y1) {
3515 my $layout = $self->get_layout ($para);
3516
3517 $layout->render ($para->{indent}, $y - $y0);
3518 $layout->draw;
3519
3520 if (my @w = @{ $para->{widget} }) {
3521 my @s = $layout->get_shapes;
3522
3523 for (@w) {
3524 my ($dx, $dy) = splice @s, 0, 2, ();
3525
3526 $_->{x} = $dx + $para->{indent};
3527 $_->{y} = $dy + $y - $y0;
3528
3529 $_->draw;
3530 }
3531 }
3532 }
3533
3534 $paridx++;
3535 $top_paragraph ||= $paridx if $y >= $top;
3536 }
3537
3538 $self->{top_paragraph} = $top_paragraph;
3539 };
3540 });
3541 }
3542
3543 sub reconfigure {
3544 my ($self) = @_;
3545
3546 $self->SUPER::reconfigure;
3547
3548 $_->{w} = 1e10 for @{ $self->{par} };
3549 $self->reflow;
3550 }
3551
3552 sub _draw {
3553 my ($self) = @_;
3554
3555 glEnable GL_TEXTURE_2D;
3556 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3557 glColor 0, 0, 0, 1;
3558 $self->{texture}->draw_quad_alpha_premultiplied (0, 0, $self->{children}[0]{w}, $self->{children}[0]{h});
3559 glDisable GL_TEXTURE_2D;
3560
3561 $self->{children}[1]->draw;
3562 }
3563
3564 #############################################################################
3565
3566 package DC::UI::Animator;
3567
3568 use DC::OpenGL;
3569
3570 our @ISA = DC::UI::Bin::;
3571
3572 sub moveto {
3573 my ($self, $x, $y) = @_;
3574
3575 $self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
3576 $self->{speed} = 0.001;
3577 $self->{time} = 1;
3578
3579 ::animation_start $self;
3580 }
3581
3582 sub animate {
3583 my ($self, $interval) = @_;
3584
3585 $self->{time} -= $interval * $self->{speed};
3586 if ($self->{time} <= 0) {
3587 $self->{time} = 0;
3588 ::animation_stop $self;
3589 }
3590
3591 my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
3592
3593 $self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
3594 $self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
3595 }
3596
3597 sub _draw {
3598 my ($self) = @_;
3599
3600 glPushMatrix;
3601 glRotate $self->{time} * 1000, 0, 1, 0;
3602 $self->{children}[0]->draw;
3603 glPopMatrix;
3604 }
3605
3606 #############################################################################
3607
3608 package DC::UI::Flopper;
3609
3610 our @ISA = DC::UI::Button::;
3611
3612 sub new {
3613 my $class = shift;
3614
3615 my $self = $class->SUPER::new (
3616 state => 0,
3617 on_activate => \&toggle_flopper,
3618 @_
3619 );
3620
3621 $self
3622 }
3623
3624 sub toggle_flopper {
3625 my ($self) = @_;
3626
3627 $self->{other}->toggle_visibility;
3628 }
3629
3630 #############################################################################
3631
3632 package DC::UI::Tooltip;
3633
3634 our @ISA = DC::UI::Bin::;
3635
3636 use DC::OpenGL;
3637
3638 sub new {
3639 my $class = shift;
3640
3641 $class->SUPER::new (
3642 @_,
3643 can_events => 0,
3644 )
3645 }
3646
3647 # expand, as good as possible
3648 sub _expand_doclets {
3649 my ($tip) = @_;
3650
3651 $tip =~ s{#\(([^)]+)\)}{
3652 if ($::CONN) {
3653 exists $::CONN->{doclet}{$1}
3654 ? $::CONN->{doclet}{$1}
3655 : "(waiting for server to show full text)"
3656 } else {
3657 "(unable to show full text without server connection)"
3658 }
3659 }ge;
3660
3661 $tip =~ s/^\n+//;
3662 $tip =~ s/\n+$//;
3663
3664 $tip
3665 }
3666
3667 # expands a tooltip, potentially multiple times remotely
3668 # and returns a guard. clals the clalback each time the text changes.
3669 sub expand_tooltip {
3670 my ($tip, $cb) = @_;
3671
3672 # first expand #name tooltips from local pod
3673 $tip = DC::Pod::section_label tooltip => $1
3674 if $tip =~ /^#([^(].*)$/;
3675
3676 my $active; # true if any remote requests outstanding
3677
3678 if ($::CONN && $::CONN->{addme_success}) {
3679 # now find all doclet references
3680 for my $doclet ($tip =~ /#\(([^)]+)\)/g) {
3681 unless (exists $::CONN->{doclet}{$doclet}) {
3682 # need to ask the server
3683 # we don't try to avoid duplicate requests
3684
3685 $active = 1;
3686 $::CONN->send_exti_req (doclet => (split /\//, $doclet, 2), sub {
3687 $::CONN->{doclet}{$doclet} = DC::sanitise_cfxml $_[0];
3688 $cb->(_expand_doclets $tip) if $active;
3689 });
3690 }
3691 }
3692 }
3693
3694 $cb->(_expand_doclets $tip);
3695
3696 $active and Guard::guard { undef $active }
3697 }
3698
3699 sub set_tooltip_from {
3700 my ($self, $widget) = @_;
3701
3702 my $tip = $widget->{tooltip};
3703 $tip = $tip->($widget) if "CODE" eq ref $tip;
3704
3705 $self->add (new DC::UI::Label
3706 fg => $DC::THEME{tooltip_fg},
3707 max_w => ($widget->{tooltip_width} || 0.25) * $::WIDTH,
3708 align => 0,
3709 fontsize => 0.8,
3710 style => $DC::THEME{tooltip_style}, # FLAG_INVERSE
3711 ellipsise => 0,
3712 font => ($widget->{tooltip_font} || $::FONT_PROP),
3713 );
3714
3715 $self->{tooltip_expand} = expand_tooltip $tip, sub {
3716 my ($tip) = @_;
3717
3718 if ($ENV{CFPLUS_DEBUG} & 2) {
3719 $tip .= "\n\n" . (ref $widget) . "\n"
3720 . "$widget->{x} $widget->{y} $widget->{w} $widget->{h}\n"
3721 . "req $widget->{req_w} $widget->{req_h}\n"
3722 . "visible $widget->{visible}";
3723 }
3724
3725 $self->{children}[0]->set_markup ($tip);
3726 };
3727 }
3728
3729 sub size_request {
3730 my ($self) = @_;
3731
3732 my ($w, $h) = @{$self->child}{qw(req_w req_h)};
3733
3734 ($w + 4, $h + 4)
3735 }
3736
3737 sub invoke_size_allocate {
3738 my ($self, $w, $h) = @_;
3739
3740 $self->SUPER::invoke_size_allocate ($w - 4, $h - 4)
3741 }
3742
3743 sub invoke_visibility_change {
3744 my ($self, $visible) = @_;
3745
3746 return unless $visible;
3747
3748 $self->{root}->on_post_alloc ("move_$self" => sub {
3749 my $widget = $self->{owner}
3750 or return;
3751
3752 if ($widget->{visible}) {
3753 my ($x, $y) = $widget->coord2global ($widget->{w}, 0);
3754
3755 ($x, $y) = $widget->coord2global (-$self->{w}, 0)
3756 if $x + $self->{w} > $self->{root}{w};
3757
3758 $self->move_abs ($x, $y);
3759 } else {
3760 $self->hide;
3761 }
3762 });
3763 }
3764
3765 sub _draw {
3766 my ($self) = @_;
3767
3768 my ($w, $h) = @$self{qw(w h)};
3769
3770 glColor @{ $DC::THEME{tooltip_bg} };
3771 glRect 0, 0, $w, $h;
3772
3773 glColor @{ $DC::THEME{tooltip_border} };
3774 glRect_lineloop .5, .5, $w + .5, $h + .5;
3775
3776 glTranslate 2, 2;
3777
3778 $self->SUPER::_draw;
3779 }
3780
3781 #############################################################################
3782
3783 package DC::UI::Face;
3784
3785 our @ISA = DC::UI::DrawBG::;
3786
3787 use DC::OpenGL;
3788
3789 sub new {
3790 my $class = shift;
3791
3792 my $self = $class->SUPER::new (
3793 size_w => 32,
3794 size_h => 8,
3795 aspect => 1,
3796 can_events => 0,
3797 @_,
3798 );
3799
3800 $self->update_anim;
3801
3802 $self
3803 }
3804
3805 sub update_timer {
3806 my ($self) = @_;
3807
3808 return unless $self->{timer};
3809
3810 if ($self->{visible}) {
3811 $self->{timer}->start;
3812 } else {
3813 $self->{timer}->stop;
3814 }
3815 }
3816
3817 sub update_face {
3818 my ($self) = @_;
3819
3820 if ($::CONN) {
3821 if (my $anim = $::CONN->{anim}[$self->{anim}]) {
3822 if ($anim && @$anim) {
3823 $self->{face} = $anim->[ $self->{frame} % @$anim ];
3824 delete $self->{face_change_cb};
3825
3826 if (my $tex = $self->{tex} = $::CONN->{texture}[ $::CONN->{face}[$self->{face}]{id} ]) {
3827 unless ($tex->{name} || $tex->{loading}) {
3828 $tex->upload (sub { $self->reconfigure });
3829 }
3830 }
3831 }
3832 }
3833 }
3834 }
3835
3836 sub update_anim {
3837 my ($self) = @_;
3838
3839 if ($self->{anim} && $self->{animspeed}) {
3840 DC::weaken (my $widget = $self);
3841
3842 $self->{animspeed} = List::Util::max 0.05, $self->{animspeed};
3843 $self->{timer} = EV::periodic_ns 0, $self->{animspeed}, undef, sub {
3844 return unless $::CONN;
3845
3846 my $w = $widget
3847 or return;
3848
3849 ++$w->{frame};
3850 $w->update_face;
3851
3852 # somehow, $widget can go away
3853 $w->update;
3854 $w->update_timer;
3855 };
3856
3857 $self->update_face;
3858 $self->update_timer;
3859 } else {
3860 delete $self->{timer};
3861 }
3862 }
3863
3864 sub size_request {
3865 my ($self) = @_;
3866
3867 if ($::CONN) {
3868 if (my $faceid = $::CONN->{face}[$self->{face}]{id}) {
3869 if (my $tex = $self->{tex} = $::CONN->{texture}[$faceid]) {
3870 if ($tex->{name}) {
3871 return ($self->{size_w} || $tex->{w}, $self->{size_h} || $tex->{h});
3872 } elsif (!$tex->{loading}) {
3873 $tex->upload (sub { $self->reconfigure });
3874 }
3875 }
3876
3877 $self->{face_change_cb} ||= $::CONN->on_face_change ($self->{face}, sub { $self->reconfigure });
3878 }
3879 }
3880
3881 ($self->{size_w} || 8, $self->{size_h} || 8)
3882 }
3883
3884 sub update {
3885 my ($self) = @_;
3886
3887 return unless $self->{visible};
3888
3889 $self->SUPER::update;
3890 }
3891
3892 sub set_face {
3893 my ($self, $face) = @_;
3894
3895 $self->{face} = $face;
3896 $self->reconfigure;
3897 }
3898
3899 sub set_anim {
3900 my ($self, $anim) = @_;
3901
3902 $self->{anim} = $anim;
3903 $self->update_anim;
3904 }
3905
3906 sub set_animspeed {
3907 my ($self, $animspeed) = @_;
3908
3909 $self->{animspeed} = $animspeed;
3910 $self->update_anim;
3911 }
3912
3913 sub invoke_visibility_change {
3914 my ($self) = @_;
3915
3916 $self->update_timer;
3917
3918 0
3919 }
3920
3921 sub _draw {
3922 my ($self) = @_;
3923
3924 $self->SUPER::_draw;
3925
3926 if (my $tex = $self->{tex}) {
3927 glEnable GL_TEXTURE_2D;
3928 glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
3929 glColor 0, 0, 0, 1;
3930 $tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
3931 glDisable GL_TEXTURE_2D;
3932 }
3933 }
3934
3935 sub destroy {
3936 my ($self) = @_;
3937
3938 (delete $self->{timer})->cancel
3939 if $self->{timer};
3940
3941 $self->SUPER::destroy;
3942 }
3943
3944 #############################################################################
3945
3946 package DC::UI::Buttonbar;
3947
3948 our @ISA = DC::UI::HBox::;
3949
3950 # TODO: should actually wrap buttons and other goodies.
3951
3952 #############################################################################
3953
3954 package DC::UI::Menu;
3955
3956 our @ISA = DC::UI::Toplevel::;
3957
3958 use DC::OpenGL;
3959
3960 sub new {
3961 my $class = shift;
3962
3963 my $self = $class->SUPER::new (
3964 items => [],
3965 z => 100,
3966 @_,
3967 );
3968
3969 $self->add ($self->{vbox} = new DC::UI::VBox);
3970
3971 for my $item (@{ $self->{items} }) {
3972 my ($widget, $cb, $tooltip) = @$item;
3973
3974 # handle various types of items, only text for now
3975 if (!ref $widget) {
3976 if ($widget =~ /\t/) {
3977 my ($left, $right) = split /\t/, $widget, 2;
3978
3979 $widget = new DC::UI::HBox
3980 can_hover => 1,
3981 can_events => 1,
3982 tooltip => $tooltip,
3983 children => [
3984 (new DC::UI::Label markup => $left , align => 0, expand => 1),
3985 (new DC::UI::Label markup => $right, align => 1),
3986 ],
3987 ;
3988
3989 } else {
3990 $widget = new DC::UI::Label
3991 can_hover => 1,
3992 can_events => 1,
3993 align => 0,
3994 markup => $widget,
3995 tooltip => $tooltip;
3996 }
3997 }
3998
3999 $self->{item}{$widget} = $item;
4000
4001 $self->{vbox}->add ($widget);
4002 }
4003
4004 $self
4005 }
4006
4007 # popup given the event (must be a mouse button down event currently)
4008 sub popup {
4009 my ($self, $ev) = @_;
4010
4011 $self->emit ("popdown");
4012
4013 # maybe save $GRAB? must be careful about events...
4014 $GRAB = $self;
4015 $self->{button} = $ev->{button};
4016
4017 $self->show;
4018
4019 my $x = $ev->{x};
4020 my $y = $ev->{y};
4021
4022 $self->{root}->on_post_alloc ($self => sub {
4023 $self->move_abs ($x - $self->{w} * 0.25, $y - $self->{border} * $::FONTSIZE * .5);
4024 });
4025
4026 1 # so it can be used inside event handlers
4027 }
4028
4029 sub invoke_mouse_motion {
4030 my ($self, $ev, $x, $y) = @_;
4031
4032 # TODO: should use vbox->find_widget or so
4033 $HOVER = $ROOT->find_widget ($ev->{x}, $ev->{y});
4034 $self->{hover} = $self->{item}{$HOVER};
4035
4036 0
4037 }
4038
4039 sub invoke_button_up {
4040 my ($self, $ev, $x, $y) = @_;
4041
4042 if ($ev->{button} == $self->{button}) {
4043 undef $GRAB;
4044 $self->hide;
4045
4046 $self->emit ("popdown");
4047 $self->{hover}[1]->() if $self->{hover};
4048 } else {
4049 return 0
4050 }
4051
4052 1
4053 }
4054
4055 #############################################################################
4056
4057 package DC::UI::Multiplexer;
4058
4059 our @ISA = DC::UI::Container::;
4060
4061 sub new {
4062 my $class = shift;
4063
4064 my $self = $class->SUPER::new (
4065 @_,
4066 );
4067
4068 $self->set_current_page (0);
4069
4070 $self
4071 }
4072
4073 sub add {
4074 my ($self, @widgets) = @_;
4075
4076 $self->SUPER::add (@widgets);
4077
4078 $self->set_current_page (0)
4079 if @widgets == @{ $self->{children} };
4080 }
4081
4082 sub get_current_page {
4083 my ($self) = @_;
4084
4085 $self->{current}
4086 }
4087
4088 sub set_current_page {
4089 my ($self, $page_or_widget) = @_;
4090
4091 my $widget = ref $page_or_widget
4092 ? $page_or_widget
4093 : $self->{children}[$page_or_widget];
4094
4095 $self->{current}->set_invisible if $self->{current} && $self->{visible};
4096
4097 if (($self->{current} = $widget)) {
4098 $self->{current}->set_visible if $self->{current} && $self->{visible};
4099 $self->{current}->configure (0, 0, $self->{w}, $self->{h});
4100
4101 $self->emit (page_changed => $self->{current});
4102 }
4103
4104 $self->realloc;
4105 }
4106
4107 sub visible_children {
4108 $_[0]{current} || ()
4109 }
4110
4111 sub size_request {
4112 my ($self) = @_;
4113
4114 $self->{current}
4115 ? $self->{current}->size_request
4116 : (0, 0)
4117 }
4118
4119 sub invoke_size_allocate {
4120 my ($self, $w, $h) = @_;
4121
4122 $self->{current}->configure (0, 0, $w, $h)
4123 if $self->{current};
4124
4125 1
4126 }
4127
4128 sub _draw {
4129 my ($self) = @_;
4130
4131 $self->{current}->draw
4132 if $self->{current};
4133 }
4134
4135 #############################################################################
4136
4137 package DC::UI::Notebook;
4138
4139 use DC::OpenGL;
4140
4141 our @ISA = DC::UI::VBox::;
4142
4143 sub new {
4144 my $class = shift;
4145
4146 my $self = $class->SUPER::new (
4147 buttonbar => (new DC::UI::Buttonbar),
4148 multiplexer => (new DC::UI::Multiplexer expand => 1),
4149 active_outline => [.7, .7, 0.2],
4150 # filter => # will be put between multiplexer and $self
4151 @_,
4152 );
4153
4154 $self->{filter}->add ($self->{multiplexer}) if $self->{filter};
4155 $self->SUPER::add ($self->{buttonbar}, $self->{filter} || $self->{multiplexer});
4156
4157 {
4158 Scalar::Util::weaken (my $wself = $self);
4159
4160 $self->{multiplexer}->connect (c_add => sub {
4161 my ($mplex, $widgets) = @_;
4162
4163 for my $child (@$widgets) {
4164 Scalar::Util::weaken $child;
4165 $child->{c_tab_} ||= do {
4166 my $tab =
4167 (UNIVERSAL::isa $child->{c_tab}, "DC::UI::Base")
4168 ? $child->{c_tab}
4169 : new DC::UI::Button markup => $child->{c_tab}[0], tooltip => $child->{c_tab}[1];
4170
4171 $tab->connect (activate => sub {
4172 $wself->set_current_page ($child);
4173 });
4174
4175 $tab
4176 };
4177
4178 $self->{buttonbar}->add ($child->{c_tab_});
4179 }
4180 });
4181
4182 $self->{multiplexer}->connect (c_remove => sub {
4183 my ($mplex, $widgets) = @_;
4184
4185 for my $child (@$widgets) {
4186 $wself->{buttonbar}->remove ($child->{c_tab_});
4187 }
4188 });
4189 }
4190
4191 $self
4192 }
4193
4194 sub add {
4195 my ($self, @widgets) = @_;
4196
4197 $self->{multiplexer}->add (@widgets)
4198 }
4199
4200 sub remove {
4201 my ($self, @widgets) = @_;
4202
4203 $self->{multiplexer}->remove (@widgets)
4204 }
4205
4206 sub pages {
4207 my ($self) = @_;
4208 $self->{multiplexer}->children
4209 }
4210
4211 sub page_index {
4212 my ($self, $widget) = @_;
4213
4214 my $i = 0;
4215 for ($self->pages) {
4216 if ($_ eq $widget) { return $i };
4217 $i++;
4218 }
4219
4220 undef
4221 }
4222
4223 sub add_tab {
4224 my ($self, $title, $widget, $tooltip) = @_;
4225
4226 $title = [$title, $tooltip] unless ref $title;
4227 $widget->{c_tab} = $title;
4228
4229 $self->add ($widget);
4230 }
4231
4232 sub get_current_page {
4233 my ($self) = @_;
4234
4235 $self->{multiplexer}->get_current_page
4236 }
4237
4238 sub set_current_page {
4239 my ($self, $page) = @_;
4240
4241 $self->{multiplexer}->set_current_page ($page);
4242 $self->emit (page_changed => $self->{multiplexer}{current});
4243 }
4244
4245 sub _draw {
4246 my ($self) = @_;
4247
4248 $self->SUPER::_draw ();
4249
4250 if (my $cur = $self->{multiplexer}{current}) {
4251 if ($cur = $cur->{c_tab_}) {
4252 glTranslate $self->{buttonbar}{x} + $cur->{x},
4253 $self->{buttonbar}{y} + $cur->{y};
4254 glLineWidth 3;
4255 #glEnable GL_BLEND;
4256 #glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
4257 glColor @{$self->{active_outline}};
4258 glRect_lineloop 1.5, 1.5, $cur->{w} - 1.5, $cur->{h} - 1.5;
4259 glLineWidth 1;
4260 #glDisable GL_BLEND;
4261 }
4262 }
4263 }
4264
4265 #############################################################################
4266
4267 package DC::UI::Selector;
4268
4269 use utf8;
4270
4271 our @ISA = DC::UI::Button::;
4272
4273 sub new {
4274 my $class = shift;
4275
4276 my $self = $class->SUPER::new (
4277 options => [], # [value, title, longdesc], ...
4278 value => undef,
4279 @_,
4280 );
4281
4282 $self->_set_value ($self->{value});
4283
4284 $self
4285 }
4286
4287 sub invoke_button_down {
4288 my ($self, $ev) = @_;
4289
4290 my @menu_items;
4291
4292 for (@{ $self->{options} }) {
4293 my ($value, $title, $tooltip) = @$_;
4294
4295 push @menu_items, [$tooltip || $title, sub { $self->set_value ($value) }];
4296 }
4297
4298 DC::UI::Menu->new (items => \@menu_items)->popup ($ev);
4299 }
4300
4301 sub _set_value {
4302 my ($self, $value) = @_;
4303
4304 my ($item) = grep $_->[0] eq $value, @{ $self->{options} };
4305 $item ||= $self->{options}[0]
4306 or return;
4307
4308 $self->{value} = $item->[0];
4309 $self->set_markup ("$item->[1] ⇓");
4310 # $self->set_tooltip ($item->[2]);
4311 }
4312
4313 sub set_value {
4314 my ($self, $value) = @_;
4315
4316 return unless $self->{value} ne $value;
4317
4318 $self->_set_value ($value);
4319 $self->emit (changed => $value);
4320 }
4321
4322 sub set_options {
4323 my ($self, $options) = @_;
4324
4325 $self->{options} = $options;
4326 $self->_set_value ($self->{value});
4327 }
4328
4329 #############################################################################
4330
4331 package DC::UI::Statusbox;
4332
4333 our @ISA = DC::UI::VBox::;
4334
4335 sub new {
4336 my $class = shift;
4337
4338 my $self = $class->SUPER::new (
4339 fontsize => 0.8,
4340 @_,
4341 );
4342
4343 DC::weaken (my $this = $self);
4344
4345 $self->{timer} = EV::timer 1, 1, sub { $this->reorder };
4346
4347 $self
4348 }
4349
4350 sub reorder {
4351 my ($self) = @_;
4352 my $NOW = AE::time;
4353
4354 # freeze display when hovering over any label
4355 return if $DC::UI::TOOLTIP->{owner}
4356 && grep $DC::UI::TOOLTIP->{owner} == $_->{label},
4357 values %{ $self->{item} };
4358
4359 while (my ($k, $v) = each %{ $self->{item} }) {
4360 delete $self->{item}{$k} if $v->{timeout} < $NOW;
4361 }
4362
4363 $self->{timer}->set (1, 1);
4364
4365 my @widgets;
4366
4367 my @items = sort {
4368 $a->{pri} <=> $b->{pri}
4369 or $b->{id} <=> $a->{id}
4370 } values %{ $self->{item} };
4371
4372 my $count = 10 + 1;
4373 for my $item (@items) {
4374 last unless --$count;
4375
4376 my $label = $item->{label} ||= do {
4377 # TODO: doesn't handle markup well (read as: at all)
4378 my $short = $item->{count} > 1
4379 ? "<b>$item->{count} ×</b> $item->{text}"
4380 : $item->{text};
4381
4382 for ($short) {
4383 s/^\s+//;
4384 s/\s+/ /g;
4385 }
4386
4387 new DC::UI::Label
4388 markup => $short,
4389 tooltip => $item->{tooltip},
4390 tooltip_font => $::FONT_PROP,
4391 tooltip_width => 0.67,
4392 fontsize => $item->{fontsize} || $self->{fontsize},
4393 max_w => $::WIDTH * 0.44,
4394 align => 0,
4395 fg => [@{ $item->{fg} }],
4396 can_events => 1,
4397 can_hover => 1
4398 };
4399
4400 if ((my $diff = $item->{timeout} - $NOW) < 2) {
4401 $label->{fg}[3] = ($item->{fg}[3] || 1) * $diff / 2;
4402 $label->update;
4403 $label->set_max_size (undef, $label->{req_h} * $diff)
4404 if $diff < 1;
4405 $self->{timer}->set (1/30, 1/30);
4406 } else {
4407 $label->{fg}[3] = $item->{fg}[3] || 1;
4408 }
4409
4410 push @widgets, $label;
4411 }
4412
4413 my $hash = join ",", @widgets;
4414 return if $hash eq $self->{last_widget_hash};
4415 $self->{last_widget_hash} = $hash;
4416
4417 $self->clear;
4418 $self->SUPER::add (reverse @widgets);
4419 }
4420
4421 sub add {
4422 my ($self, $text, %arg) = @_;
4423
4424 $text =~ s/^\s+//;
4425 $text =~ s/\s+$//;
4426
4427 return unless $text;
4428
4429 my $timeout = (int time) + ((delete $arg{timeout}) || 60);
4430
4431 my $group = exists $arg{group} ? $arg{group} : ++$self->{id};
4432
4433 if (my $item = $self->{item}{$group}) {
4434 if ($item->{text} eq $text) {
4435 $item->{count}++;
4436 } else {
4437 $item->{count} = 1;
4438 $item->{text} = $item->{tooltip} = $text;
4439 }
4440 $item->{id} += 0.2;#d#
4441 $item->{timeout} = $timeout;
4442 delete $item->{label};
4443 } else {
4444 $self->{item}{$group} = {
4445 id => ++$self->{id},
4446 text => $text,
4447 timeout => $timeout,
4448 tooltip => $text,
4449 fg => [0.8, 0.8, 0.8, 0.8],
4450 pri => 0,
4451 count => 1,
4452 %arg,
4453 };
4454 }
4455
4456 $ROOT->on_refresh (reorder => sub {
4457 $self->reorder;
4458 });
4459 }
4460
4461 sub clr_group {
4462 my ($self, $group) = @_;
4463
4464 if (delete $self->{item}{$group}) {
4465 $ROOT->on_refresh (reorder => sub {
4466 $self->reorder;
4467 });
4468 }
4469 }
4470
4471 sub reconfigure {
4472 my ($self) = @_;
4473
4474 delete $_->{label}
4475 for values %{ $self->{item} || {} };
4476
4477 $self->reorder;
4478 $self->SUPER::reconfigure;
4479 }
4480
4481 sub destroy {
4482 my ($self) = @_;
4483
4484 $self->{timer}->cancel;
4485
4486 $self->SUPER::destroy;
4487 }
4488
4489 #############################################################################
4490
4491 package DC::UI::Root;
4492
4493 our @ISA = DC::UI::Container::;
4494
4495 use List::Util qw(min max);
4496
4497 use DC::OpenGL;
4498
4499 sub new {
4500 my $class = shift;
4501
4502 my $self = $class->SUPER::new (
4503 visible => 1,
4504 @_,
4505 );
4506
4507 DC::weaken ($self->{root} = $self);
4508
4509 $self
4510 }
4511
4512 sub size_request {
4513 my ($self) = @_;
4514
4515 ($self->{w}, $self->{h})
4516 }
4517
4518 sub _to_pixel {
4519 my ($coord, $size, $max) = @_;
4520
4521 $coord =
4522 $coord eq "center" ? ($max - $size) * 0.5
4523 : $coord eq "max" ? $max
4524 : $coord;
4525
4526 $coord = 0 if $coord < 0;
4527 $coord = $max - $size if $coord > $max - $size;
4528
4529 int $coord + 0.5
4530 }
4531
4532 sub invoke_size_allocate {
4533 my ($self, $w, $h) = @_;
4534
4535 for my $child ($self->children) {
4536 my ($X, $Y, $W, $H) = @$child{qw(x y req_w req_h)};
4537
4538 $X = $child->{force_x} if exists $child->{force_x};
4539 $Y = $child->{force_y} if exists $child->{force_y};
4540
4541 $X = _to_pixel $X, $W, $self->{w};
4542 $Y = _to_pixel $Y, $H, $self->{h};
4543
4544 $child->configure ($X, $Y, $W, $H);
4545 }
4546
4547 1
4548 }
4549
4550 sub coord2local {
4551 my ($self, $x, $y) = @_;
4552
4553 ($x, $y)
4554 }
4555
4556 sub coord2global {
4557 my ($self, $x, $y) = @_;
4558
4559 ($x, $y)
4560 }
4561
4562 sub update {
4563 my ($self) = @_;
4564
4565 $::WANT_REFRESH = 1;
4566 }
4567
4568 sub add {
4569 my ($self, @children) = @_;
4570
4571 $_->{is_toplevel} = 1
4572 for @children;
4573
4574 $self->SUPER::add (@children);
4575 }
4576
4577 sub remove {
4578 my ($self, @children) = @_;
4579
4580 $self->SUPER::remove (@children);
4581
4582 delete $self->{is_toplevel}
4583 for @children;
4584
4585 while (@children) {
4586 my $w = pop @children;
4587 push @children, $w->children;
4588 $w->set_invisible;
4589 }
4590 }
4591
4592 sub on_refresh {
4593 my ($self, $id, $cb) = @_;
4594
4595 $self->{refresh_hook}{$id} = $cb;
4596 }
4597
4598 sub on_post_alloc {
4599 my ($self, $id, $cb) = @_;
4600
4601 $self->{post_alloc_hook}{$id} = $cb;
4602 }
4603
4604 sub draw {
4605 my ($self) = @_;
4606
4607 while ($self->{refresh_hook}) {
4608 $_->()
4609 for values %{delete $self->{refresh_hook}};
4610 }
4611
4612 while ($self->{realloc}) {
4613 my %queue;
4614 my @queue;
4615 my $widget;
4616
4617 outer:
4618 while () {
4619 if (my $realloc = delete $self->{realloc}) {
4620 for $widget (values %$realloc) {
4621 $widget->{visible} or next; # do not resize invisible widgets
4622
4623 $queue{$widget+0}++ and next; # duplicates are common
4624
4625 push @{ $queue[$widget->{visible}] }, $widget;
4626 }
4627 }
4628
4629 while () {
4630 @queue or last outer;
4631
4632 $widget = pop @{ $queue[-1] || [] }
4633 and last;
4634
4635 pop @queue;
4636 }
4637
4638 delete $queue{$widget+0};
4639
4640 my ($w, $h) = $widget->size_request;
4641
4642 $w += $widget->{padding_x} * 2;
4643 $h += $widget->{padding_y} * 2;
4644
4645 $w = max $widget->{min_w}, $w;
4646 $h = max $widget->{min_h}, $h;
4647
4648 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4649 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4650
4651 $w = $widget->{force_w} if exists $widget->{force_w};
4652 $h = $widget->{force_h} if exists $widget->{force_h};
4653
4654 if ($widget->{req_w} != $w || $widget->{req_h} != $h
4655 || delete $widget->{force_realloc}) {
4656 $widget->{req_w} = $w;
4657 $widget->{req_h} = $h;
4658
4659 $self->{size_alloc}{$widget+0} = $widget;
4660
4661 if (my $parent = $widget->{parent}) {
4662 $self->{realloc}{$parent+0} = $parent
4663 unless $queue{$parent+0};
4664
4665 $parent->{force_size_alloc} = 1;
4666 $self->{size_alloc}{$parent+0} = $parent;
4667 }
4668 }
4669
4670 delete $self->{realloc}{$widget+0};
4671 }
4672
4673 while (my $size_alloc = delete $self->{size_alloc}) {
4674 my @queue = sort { $a->{visible} <=> $b->{visible} }
4675 values %$size_alloc;
4676
4677 while () {
4678 my $widget = pop @queue || last;
4679
4680 my ($w, $h) = @$widget{qw(alloc_w alloc_h)};
4681
4682 $w = max $widget->{min_w}, $w;
4683 $h = max $widget->{min_h}, $h;
4684
4685 # $w = min $self->{w} - $widget->{x}, $w if $self->{w};
4686 # $h = min $self->{h} - $widget->{y}, $h if $self->{h};
4687
4688 $w = min $widget->{max_w}, $w if exists $widget->{max_w};
4689 $h = min $widget->{max_h}, $h if exists $widget->{max_h};
4690
4691 $w = int $w + 0.5;
4692 $h = int $h + 0.5;
4693
4694 if ($widget->{w} != $w || $widget->{h} != $h || delete $widget->{force_size_alloc}) {
4695 $widget->{old_w} = $widget->{w};
4696 $widget->{old_h} = $widget->{h};
4697
4698 $widget->{w} = $w;
4699 $widget->{h} = $h;
4700
4701 $widget->emit (size_allocate => $w, $h);
4702 }
4703 }
4704 }
4705 }
4706
4707 while ($self->{post_alloc_hook}) {
4708 $_->()
4709 for values %{delete $self->{post_alloc_hook}};
4710 }
4711
4712 glViewport 0, 0, $::WIDTH, $::HEIGHT;
4713 glClearColor +($::CFG->{fow_intensity}) x 3, 1;
4714 glClear GL_COLOR_BUFFER_BIT;
4715
4716 glMatrixMode GL_PROJECTION;
4717 glLoadIdentity;
4718 glOrtho 0, $::WIDTH, $::HEIGHT, 0, -10000, 10000;
4719 glMatrixMode GL_MODELVIEW;
4720 glLoadIdentity;
4721
4722 {
4723 package DC::UI::Base;
4724
4725 local ($draw_x, $draw_y, $draw_w, $draw_h) =
4726 (0, 0, $self->{w}, $self->{h});
4727
4728 $self->_draw;
4729 }
4730 }
4731
4732 #############################################################################
4733
4734 package DC::UI;
4735
4736 $ROOT = new DC::UI::Root;
4737 $TOOLTIP = new DC::UI::Tooltip z => 900;
4738
4739 1