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Comparing deliantra/Deliantra-Client/DC/UI.pm (file contents):
Revision 1.3 by elmex, Fri Apr 7 18:16:51 2006 UTC vs.
Revision 1.77 by root, Tue Apr 11 22:14:13 2006 UTC

1	package Client::Widget;	1	package CFClient::UI;
		2
2	use strict;	3	use strict;
3		4
4	our $FOCUS; # the widget with current focus	5	use Scalar::Util ();
5	our %ACTIVE_WIDGETS;	6	use List::Util ();
		7
		8	use CFClient;
		9
		10	our ($FOCUS, $HOVER, $GRAB); # various widgets
		11
		12	our $TOPLEVEL;
		13	our $BUTTON_STATE;
6		14
7	# class methods for events	15	# class methods for events
8	sub feed_sdl_key_down_event { $FOCUS->key_down ($_[0]) if $FOCUS }	16	sub feed_sdl_key_down_event {
9	sub feed_sdl_key_up_event { $FOCUS->key_up ($_[0]) if $FOCUS }	17	$FOCUS->key_down ($_[0]) if $FOCUS;
10	sub feed_sdl_button_down_event { $FOCUS->button_down ($_[0]) if $FOCUS }	18	}
11	sub feed_sdl_button_up_event { $FOCUS->button_up ($_[0]) if $FOCUS }	19
		20	sub feed_sdl_key_up_event {
		21	$FOCUS->key_up ($_[0]) if $FOCUS;
		22	}
		23
		24	sub feed_sdl_button_down_event {
		25	my ($ev) = @_;
		26	my ($x, $y) = ($ev->motion_x, $ev->motion_y);
		27
		28	if (!$BUTTON_STATE) {
		29	my $widget = $TOPLEVEL->find_widget ($x, $y);
		30
		31	$GRAB = $widget;
		32	$GRAB->update if $GRAB;
		33	}
		34
		35	$BUTTON_STATE |= 1 << ($ev->button - 1);
		36
		37	$GRAB->button_down ($ev, $GRAB->translate ($x, $y)) if $GRAB;
		38	}
		39
		40	sub feed_sdl_button_up_event {
		41	my ($ev) = @_;
		42	my ($x, $y) = ($ev->motion_x, $ev->motion_y);
		43
		44	my $widget = $GRAB || $TOPLEVEL->find_widget ($x, $y);
		45
		46	$BUTTON_STATE &= ~(1 << ($ev->button - 1));
		47
		48	$GRAB->button_up ($ev, $GRAB->translate ($x, $y)) if $GRAB;
		49
		50	if (!$BUTTON_STATE) {
		51	my $grab = $GRAB; undef $GRAB;
		52	$grab->update if $grab;
		53	$GRAB->update if $GRAB;
		54	}
		55	}
		56
		57	sub feed_sdl_motion_event {
		58	my ($ev) = @_;
		59	my ($x, $y) = ($ev->motion_x, $ev->motion_y);
		60
		61	my $widget = $GRAB || $TOPLEVEL->find_widget ($x, $y);
		62
		63	if ($widget != $HOVER) {
		64	my $hover = $HOVER; $HOVER = $widget;
		65
		66	$hover->update if $hover;
		67	$HOVER->update if $HOVER;
		68	}
		69
		70	$HOVER->mouse_motion ($ev, $HOVER->translate ($x, $y)) if $HOVER;
		71	}
		72
		73	#############################################################################
		74
		75	package CFClient::UI::Base;
		76
		77	use strict;
		78
		79	use SDL::OpenGL;
12		80
13	sub new {	81	sub new {
14	my $class = shift;	82	my $class = shift;
15	my $self = { @_ };
16	bless $self, $class;
17	return $self;
18	}
19		83
20	sub activate {	84	bless {
21	$ACTIVE_WIDGETS{$_[0]} = $_[0];	85	x => 0,
		86	y => 0,
		87	z => 0,
		88	w => -1,
		89	h => -1,
		90	@_
		91	}, $class
22	}	92	}
23	sub deactivate {	93
24	delete $ACTIVE_WIDGETS{$_[0]};	94	sub move {
		95	my ($self, $x, $y, $z) = @_;
		96	$self->{x} = $x;
		97	$self->{y} = $y;
		98	$self->{z} = $z if defined $z;
		99	}
		100
		101	sub needs_redraw {
		102	0
		103	}
		104
		105	sub size_request {
		106	require Carp;
		107	Carp::confess "size_request is abtract";
		108	}
		109
		110	sub _size_allocate {
		111	my ($self, $x, $y, $w, $h) = @_;
		112
		113	$self->{x} = $x;
		114	$self->{y} = $y;
		115
		116	return unless $self->{w} != $w || $self->{h} != $h;
		117
		118	$self->{w} = $w;
		119	$self->{h} = $h;
		120
		121	1
		122	}
		123
		124	sub size_allocate {
		125	my ($self, $x, $y, $w, $h) = @_;
		126
		127	$self->_size_allocate ($x, $y, $w, $h);
		128	}
		129
		130	# translate global koordinates to local coordinate system
		131	sub translate {
		132	my ($self, $x, $y) = @_;
		133
		134	$self->{parent}->translate ($x - $self->{x}, $y - $self->{y});
25	}	135	}
26		136
27	sub focus_in {	137	sub focus_in {
28	my ($widget) = @_;	138	my ($self) = @_;
29	$FOCUS = $widget;	139
		140	return if $FOCUS == $self;
		141
		142	my $focus = $FOCUS; $FOCUS = $self;
		143	$focus->update if $focus;
		144	$FOCUS->update;
30	}	145	}
		146
31	sub focus_out {	147	sub focus_out {
		148	my ($self) = @_;
		149
		150	return unless $FOCUS == $self;
		151
		152	my $focus = $FOCUS; undef $FOCUS;
		153	$focus->update if $focus; #?
		154	}
		155
		156	sub mouse_motion { }
		157	sub button_up { }
		158	sub key_down { }
		159	sub key_up { }
		160
		161	sub button_down {
		162	my ($self, $ev, $x, $y) = @_;
		163
		164	$self->focus_in;
		165	}
		166
		167	sub w { $_[0]{w} = $_[1] if @_ > 1; $_[0]{w} }
		168	sub h { $_[0]{h} = $_[1] if @_ > 1; $_[0]{h} }
		169	sub x { $_[0]{x} = $_[1] if @_ > 1; $_[0]{x} }
		170	sub y { $_[0]{y} = $_[1] if @_ > 1; $_[0]{y} }
		171	sub z { $_[0]{z} = $_[1] if @_ > 1; $_[0]{z} }
		172
		173	sub draw {
		174	my ($self) = @_;
		175
		176	return unless $self->{h} && $self->{w};
		177
		178	glPushMatrix;
		179	glTranslate $self->{x}, $self->{y}, 0;
		180	$self->_draw;
		181	glPopMatrix;
		182
		183	if ($self == $HOVER) {
		184	my ($x, $y) = @$self{qw(x y)};
		185
		186	glColor 0, 0, 1, 0.2;
		187	glEnable GL_BLEND;
		188	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
		189	glBegin GL_QUADS;
		190	glVertex $x , $y;
		191	glVertex $x + $self->{w}, $y;
		192	glVertex $x + $self->{w}, $y + $self->{h};
		193	glVertex $x , $y + $self->{h};
		194	glEnd;
		195	glDisable GL_BLEND;
		196	}
		197	}
		198
		199	sub _draw {
		200	my ($self) = @_;
		201
		202	warn "no draw defined for $self\n";
		203	}
		204
		205	sub bbox {
		206	my ($self) = @_;
		207	my ($w, $h) = $self->size_request;
		208	(
		209	$self->{x},
		210	$self->{y},
		211	$self->{x} = $w,
		212	$self->{y} = $h
		213	)
		214	}
		215
		216	sub find_widget {
		217	my ($self, $x, $y) = @_;
		218
		219	return $self
		220	if $x >= $self->{x} && $x < $self->{x} + $self->{w}
		221	&& $y >= $self->{y} && $y < $self->{y} + $self->{h};
		222
		223	()
		224	}
		225
		226	sub del_parent { $_[0]->{parent} = undef }
		227
		228	sub set_parent {
		229	my ($self, $par) = @_;
		230
		231	$self->{parent} = $par;
		232	Scalar::Util::weaken $self->{parent};
		233	}
		234
		235	sub get_parent {
		236	$_[0]->{parent}
		237	}
		238
		239	sub update {
		240	my ($self) = @_;
		241
		242	$self->{parent}->update
		243	if $self->{parent};
		244	}
		245
		246	sub connect {
		247	my ($self, $signal, $cb) = @_;
		248
		249	push @{ $self->{cb}{$signal} }, $cb;
		250	}
		251
		252	sub emit {
		253	my ($self, $signal, @args) = @_;
		254
		255	$_->($self, @args)
		256	for @{$self->{cb}{$signal} || []};
		257	}
		258
		259	sub DESTROY {
		260	my ($self) = @_;
		261
		262	#$self->deactivate;
		263	}
		264
		265	#############################################################################
		266
		267	package CFClient::UI::DrawBG;
		268
		269	our @ISA = CFClient::UI::Base::;
		270
		271	use strict;
		272	use SDL::OpenGL;
		273
		274	sub new {
		275	my $class = shift;
		276
		277	# range [value, low, high, page]
		278
		279	$class->SUPER::new (
		280	bg => [0, 0, 0, 0.2],
		281	active_bg => [1, 1, 1],
		282	@_
		283	)
		284	}
		285
		286	sub _draw {
		287	my ($self) = @_;
		288
		289	my ($w, $h) = @$self{qw(w h)};
		290
		291	glEnable GL_BLEND;
		292	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
		293	glColor @{ $FOCUS == $self ? $self->{active_bg} : $self->{bg} };
		294
		295	glBegin GL_QUADS;
		296	glVertex 0 , 0;
		297	glVertex 0 , $h;
		298	glVertex $w, $h;
		299	glVertex $w, 0;
		300	glEnd;
		301
		302	glDisable GL_BLEND;
		303	}
		304
		305	#############################################################################
		306
		307	package CFClient::UI::Empty;
		308
		309	our @ISA = CFClient::UI::Base::;
		310
		311	sub size_request {
		312	(0, 0)
		313	}
		314
		315	sub draw { }
		316
		317	#############################################################################
		318
		319	package CFClient::UI::Container;
		320
		321	our @ISA = CFClient::UI::Base::;
		322
		323	sub new {
		324	my ($class, %arg) = @_;
		325
		326	my $children = delete $arg{children} || [];
		327
		328	my $self = $class->SUPER::new (children => [], %arg);
		329	$self->add ($_) for @$children;
		330
		331	$self
		332	}
		333
		334	sub add {
		335	my ($self, $chld) = @_;
		336
		337	$chld->set_parent ($self);
		338
		339	$self->{children} = [
		340	sort { $a->{z} <=> $b->{z} }
		341	@{$self->{children}}, $chld
		342	];
		343
		344	$self->{w} = $self->{h} = -1;
		345	$self->update;
		346	}
		347
		348	sub remove {
32	my ($widget) = @_;	349	my ($self, $widget) = @_;
		350
		351	$self->{children} = [ grep $_ != $widget, @{ $self->{children} } ];
		352
		353	$self->size_allocate (0, 0, $self->{w}, $self->{h});
33	}	354	}
		355
		356	sub find_widget {
		357	my ($self, $x, $y) = @_;
		358
		359	$x -= $self->{x};
		360	$y -= $self->{y};
		361
		362	my $res;
		363
		364	for (reverse @{ $self->{children} }) {
		365	$res = $_->find_widget ($x, $y)
		366	and return $res;
		367	}
		368
		369	$self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
		370	}
		371
		372	sub _draw {
		373	my ($self) = @_;
		374
		375	$_->draw for @{$self->{children}};
		376	}
		377
		378	#############################################################################
		379
		380	package CFClient::UI::Bin;
		381
		382	our @ISA = CFClient::UI::Container::;
		383
		384	sub new {
		385	my ($class, %arg) = @_;
		386
		387	my $child = (delete $arg{child}) || new CFClient::UI::Empty::;
		388
		389	$class->SUPER::new (children => [$child], %arg)
		390	}
		391
		392	sub add {
		393	my ($self, $widget) = @_;
		394
		395	$self->{children} = [];
		396
		397	$self->SUPER::add ($widget);
		398	}
		399
		400	sub remove {
		401	my ($self, $widget) = @_;
		402
		403	$self->SUPER::remove ($widget);
		404
		405	$self->{children} = [new CFClient::UI::Empty]
		406	unless @{$self->{children}};
		407	}
		408
		409	sub child { $_[0]->{children}[0] }
		410
		411	sub size_request {
		412	$_[0]{children}[0]->size_request
		413	}
		414
		415	sub size_allocate {
		416	my ($self, $x, $y, $w, $h) = @_;
		417
		418	$self->_size_allocate ($x, $y, $w, $h) or return;
		419
		420	$self->{children}[0]->size_allocate (0, 0, $w, $h);
		421	}
		422
		423	#############################################################################
		424
		425	package CFClient::UI::Window;
		426
		427	our @ISA = CFClient::UI::Bin::;
		428
		429	use SDL::OpenGL;
		430
		431	sub new {
		432	my ($class, %arg) = @_;
		433
		434	my $self = $class->SUPER::new (%arg);
		435	}
		436
		437	sub update {
		438	my ($self) = @_;
		439
		440	# we want to do this delayed...
		441	$self->render_chld;
		442	$self->SUPER::update;
		443	}
		444
		445	sub render_chld {
		446	my ($self) = @_;
		447
		448	$self->{texture} =
		449	CFClient::Texture->new_from_opengl (
		450	$self->{w}, $self->{h}, sub { $self->child->draw }
		451	);
		452	}
		453
		454	sub size_allocate {
		455	my ($self, $x, $y, $w, $h) = @_;
		456
		457	$self->_size_allocate ($x, $y, $w, $h) or return;
		458
		459	$self->child->size_allocate (0, 0, $w, $h);
		460
		461	$self->render_chld;
		462	}
		463
		464	sub _draw {
		465	my ($self) = @_;
		466
		467	my ($w, $h) = ($self->w, $self->h);
		468
		469	my $tex = $self->{texture}
		470	or return;
		471
		472	glEnable GL_BLEND;
		473	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
		474	glEnable GL_TEXTURE_2D;
		475	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
		476
		477	$tex->draw_quad (0, 0, $w, $h);
		478
		479	glDisable GL_BLEND;
		480	glDisable GL_TEXTURE_2D;
		481	}
		482
		483	#############################################################################
		484
		485	package CFClient::UI::Frame;
		486
		487	our @ISA = CFClient::UI::Bin::;
		488
		489	use SDL::OpenGL;
		490
		491	sub size_request {
		492	my ($self) = @_;
		493	my $chld = $self->child
		494	or return (0, 0);
		495
		496	$chld->move (2, 2);
		497
		498	map { $_ + 4 } $chld->size_request;
		499	}
		500
		501	sub size_allocate {
		502	my ($self, $x, $y, $w, $h) = @_;
		503
		504	$self->_size_allocate ($x, $y, $w, $h) or return;
		505
		506	$self->child->size_allocate (2, 2, $w - 4, $h - 4);
		507	}
		508
		509	sub _draw {
		510	my ($self) = @_;
		511
		512	my $chld = $self->child;
		513
		514	my ($w, $h) = $chld->size_request;
		515
		516	glBegin GL_QUADS;
		517	glColor 0, 0, 0;
		518	glVertex 0 , 0;
		519	glVertex 0 , $h + 4;
		520	glVertex $w + 4 , $h + 4;
		521	glVertex $w + 4 , 0;
		522	glEnd;
		523
		524	$chld->draw;
		525	}
		526
		527	#############################################################################
		528
		529	package CFClient::UI::FancyFrame;
		530
		531	our @ISA = CFClient::UI::Bin::;
		532
		533	use SDL::OpenGL;
		534
		535	my @tex =
		536	map { new_from_file CFClient::Texture CFClient::find_rcfile $_ }
		537	qw(d1_bg.png d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
		538
		539	sub size_request {
		540	my ($self) = @_;
		541
		542	my ($w, $h) =
		543	$self->{user_w} && $self->{user_h}
		544	? ($self->{user_w}, $self->{user_h})
		545	: ($self->SUPER::size_request);
		546
		547	$h += $tex[1]->{h};
		548	$h += $tex[4]->{h};
		549	$w += $tex[2]->{w};
		550	$w += $tex[3]->{w};
		551
		552	($w, $h)
		553	}
		554
		555	sub size_allocate {
		556	my ($self, $x, $y, $w, $h) = @_;
		557
		558	$self->_size_allocate ($x, $y, $w, $h) or return;
		559
		560	$h -= $tex[1]{h};
		561	$h -= $tex[4]{h};
		562	$w -= $tex[2]{w};
		563	$w -= $tex[3]{w};
		564
		565	$h = $h < 0 ? 0 : $h;
		566	$w = $w < 0 ? 0 : $w;
		567
		568	my $child = $self->child;
		569
		570	$child->size_allocate ($tex[3]->{w}, $tex[1]->{h}, $w, $h);
		571	}
		572
		573	sub button_down {
		574	my ($self, $ev, $x, $y) = @_;
		575
		576	if ($x < $self->{w} && $x >= $self->{w} - $tex[2]{w}
		577	&& $y < $self->{h} && $y >= $self->{h} - $tex[4]{h}) {
		578
		579	my ($ox, $oy) = ($ev->button_x, $ev->button_y);
		580	my ($bw, $bh) = ($self->{w}, $self->{h});
		581
		582	$self->{motion} = sub {
		583	my ($ev, $x, $y) = @_;
		584
		585	($x, $y) = ($ev->motion_x, $ev->motion_y);
		586
		587	$self->{user_w} = $bw + $x - $ox;
		588	$self->{user_h} = $bh + $y - $oy;
		589	$self->update;
		590	};
		591
		592	} elsif ($x >= 0 && $x < $self->{w}
		593	&& $y >= 0 && $y < $tex[1]{h}) {
		594
		595	my ($ox, $oy) = ($ev->button_x, $ev->button_y);
		596	my ($bx, $by) = ($self->{x}, $self->{y});
		597
		598	$self->{motion} = sub {
		599	my ($ev, $x, $y) = @_;
		600
		601	($x, $y) = ($ev->motion_x, $ev->motion_y);
		602
		603	$self->move ($bx + $x - $ox, $by + $y - $oy);
		604	$self->update;
		605	};
		606	}
		607	}
		608
		609	sub button_up {
		610	my ($self, $ev, $x, $y) = @_;
		611
		612	delete $self->{motion};
		613	}
		614
		615	sub mouse_motion {
		616	my ($self, $ev, $x, $y) = @_;
		617
		618	$self->{motion}->($ev, $x, $y) if $self->{motion};
		619	}
		620
		621	sub _draw {
		622	my ($self) = @_;
		623
		624	my ($w, $h) = ($self->{w}, $self->{h});
		625	my ($cw, $ch) = ($self->child->{w}, $self->child->{h});
		626
		627	glEnable GL_BLEND;
		628	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
		629	glEnable GL_TEXTURE_2D;
		630	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
		631
		632	my $top = $tex[1];
		633	$top->draw_quad (0, 0, $w, $top->{h});
		634
		635	my $left = $tex[3];
		636	$left->draw_quad (0, $top->{h}, $left->{w}, $ch);
		637
		638	my $right = $tex[2];
		639	$right->draw_quad ($w - $right->{w}, $top->{h}, $right->{w}, $ch);
		640
		641	my $bottom = $tex[4];
		642	$bottom->draw_quad (0, $h - $bottom->{h}, $w, $bottom->{h});
		643
		644	my $bg = $tex[0];
		645
		646	glBindTexture GL_TEXTURE_2D, $bg->{name};
		647	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
		648	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT;
		649	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT;
		650
		651	my $rep_x = $cw / $bg->{w};
		652	my $rep_y = $ch / $bg->{h};
		653
		654	$bg->draw_quad ($left->{w}, $top->{h}, $cw, $ch);
		655
		656	glDisable GL_TEXTURE_2D;
		657	glDisable GL_BLEND;
		658
		659	$self->child->draw;
		660
		661	}
		662
		663	#############################################################################
		664
		665	package CFClient::UI::Table;
		666
		667	our @ISA = CFClient::UI::Base::;
		668
		669	use List::Util qw(max sum);
		670
		671	use SDL::OpenGL;
		672
		673	sub add {
		674	my ($self, $x, $y, $chld) = @_;
		675
		676	$self->{children}[$y][$x] = $chld;
		677	$chld->set_parent ($self);
		678
		679	$self->{w} = $self->{h} = -1;
		680	$self->update;
		681	}
		682
		683	sub get_wh {
		684	my ($self) = @_;
		685
		686	my (@w, @h);
		687
		688	for my $y (0 .. $#{$self->{children}}) {
		689	my $row = $self->{children}[$y]
		690	or next;
		691
		692	for my $x (0 .. $#$row) {
		693	my $widget = $row->[$x]
		694	or next;
		695	my ($w, $h) = $widget->size_request;
		696
		697	$w[$x] = max $w[$x], $w;
		698	$h[$y] = max $h[$y], $h;
		699	}
		700	}
		701
		702	(\@w, \@h)
		703	}
		704
		705	sub size_request {
		706	my ($self) = @_;
		707
		708	my ($ws, $hs) = $self->get_wh;
		709
		710	(
		711	(List::Util::sum @$ws),
		712	(List::Util::sum @$hs),
		713	)
		714	}
		715
		716	sub size_allocate {
		717	my ($self, $x, $y, $w, $h) = @_;
		718
		719	$self->_size_allocate ($x, $y, $w, $h) or return;
		720
		721	my ($ws, $hs) = $self->get_wh;
		722
		723	my $req_w = List::Util::sum @$ws;
		724	my $req_h = List::Util::sum @$hs;
		725
		726	# linearly scale sizes
		727	$_ *= $w / $req_w for @$ws;
		728	$_ *= $h / $req_h for @$hs;
		729
		730	my $y;
		731
		732	for my $r (0 .. $#{$self->{children}}) {
		733	my $row = $self->{children}[$r]
		734	or next;
		735
		736	my $x = 0;
		737	my $row_h = $hs->[$r];
		738
		739	for my $c (0 .. $#$row) {
		740	my $widget = $row->[$c]
		741	or next;
		742
		743	my $col_w = $ws->[$c];
		744
		745	$widget->size_allocate ($x, $y, $col_w, $row_h);
		746
		747	$x += $col_w;
		748	}
		749
		750	$y += $row_h;
		751	}
		752
		753	}
		754
		755	sub find_widget {
		756	my ($self, $x, $y) = @_;
		757
		758	$x -= $self->{x};
		759	$y -= $self->{y};
		760
		761	my $res;
		762
		763	for (grep $_, map @$_, grep $_, @{ $self->{children} }) {
		764	$res = $_->find_widget ($x, $y)
		765	and return $res;
		766	}
		767
		768	$self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
		769	}
		770
		771	sub _draw {
		772	my ($self) = @_;
		773
		774	for (grep $_, @{$self->{children}}) {
		775	$_->draw for grep $_, @$_;
		776	}
		777	}
		778
		779	#############################################################################
		780
		781	package CFClient::UI::HBox;
		782
		783	# TODO: wrap into common Box base class
		784
		785	our @ISA = CFClient::UI::Container::;
		786
		787	sub size_request {
		788	my ($self) = @_;
		789
		790	my @alloc = map [$_->size_request], @{$self->{children}};
		791
		792	(
		793	(List::Util::sum map $_->[0], @alloc),
		794	(List::Util::max map $_->[1], @alloc),
		795	)
		796	}
		797
		798	sub size_allocate {
		799	my ($self, $x, $y, $w, $h) = @_;
		800
		801	$self->_size_allocate ($x, $y, $w, $h) or return;
		802
		803	return unless $self->{w};
		804
		805	($h, $w) = ($w, $h);
		806
		807	my $children = $self->{children};
		808
		809	my @h = map +($_->size_request)[0], @$children;
		810
		811	my $req_h = List::Util::sum @h;
		812
		813	if ($req_h > $h) {
		814	# ah well, not enough space
		815	$_ = $h[$_] * $h / $req_h for @h;
		816	} else {
		817	my $exp = List::Util::sum map $_->{expand}, @$children;
		818	$exp ||= 1;
		819
		820	for (0 .. $#$children) {
		821	my $child = $children->[$_];
		822
		823	my $alloc_h = $h[$_];
		824	$alloc_h += ($h - $req_h) * $child->{expand} / $exp;
		825	$h[$_] = $alloc_h;
		826	}
		827	}
		828
		829	my $y = 0;
		830	for (0 .. $#$children) {
		831	my $child = $children->[$_];
		832	my $h = $h[$_];
		833	$child->size_allocate ($y, 0, $h, $w);
		834
		835	$y += $h;
		836	}
		837	}
		838
		839	#############################################################################
		840
		841	package CFClient::UI::VBox;
		842
		843	# TODO: wrap into common Box base class
		844
		845	our @ISA = CFClient::UI::Container::;
		846
		847	sub size_request {
		848	my ($self) = @_;
		849
		850	my @alloc = map [$_->size_request], @{$self->{children}};
		851
		852	(
		853	(List::Util::max map $_->[0], @alloc),
		854	(List::Util::sum map $_->[1], @alloc),
		855	)
		856	}
		857
		858	sub size_allocate {
		859	my ($self, $x, $y, $w, $h) = @_;
		860
		861	$self->_size_allocate ($x, $y, $w, $h) or return;
		862
		863	return unless $self->{h};
		864
		865	my $children = $self->{children};
		866
		867	my @h = map +($_->size_request)[1], @$children;
		868
		869	my $req_h = List::Util::sum @h;
		870
		871	if ($req_h > $h) {
		872	# ah well, not enough space
		873	$_ = $h[$_] * $h / $req_h for @h;
		874	} else {
		875	my $exp = List::Util::sum map $_->{expand}, @$children;
		876	$exp ||= 1;
		877
		878	for (0 .. $#$children) {
		879	my $child = $children->[$_];
		880
		881	$h[$_] += ($h - $req_h) * $child->{expand} / $exp;
		882	}
		883	}
		884
		885	my $y = 0;
		886	for (0 .. $#$children) {
		887	my $child = $children->[$_];
		888	my $h = $h[$_];
		889	$child->size_allocate (0, $y, $w, $h);
		890
		891	$y += $h;
		892	}
		893	}
		894
		895	#############################################################################
		896
		897	package CFClient::UI::Label;
		898
		899	our @ISA = CFClient::UI::Base::;
		900
		901	use SDL::OpenGL;
		902
		903	sub new {
		904	my ($class, %arg) = @_;
		905
		906	my $self = $class->SUPER::new (
		907	fg => [1, 1, 1],
		908	height => $::FONTSIZE,
		909	text => "",
		910	align => -1,
		911	padding => 2,
		912	layout => new CFClient::Layout,
		913	%arg
		914	);
		915
		916	$self->set_text ($self->{text});
		917
		918	$self
		919	}
		920
		921	sub escape_text {
		922	local $_ = $_[1];
		923
		924	s/&/&amp;/g;
		925	s/>/&gt;/g;
		926	s/</&lt;/g;
		927
		928	$_[1]
		929	}
		930
		931	sub set_text {
		932	my ($self, $text) = @_;
		933
		934	$self->{text} = $text;
		935	$self->{layout}->set_markup ($text);
		936
		937	delete $self->{texture};
		938	$self->update;
		939	}
		940
		941	sub get_text {
		942	my ($self, $text) = @_;
		943
		944	$self->{text}
		945	}
		946
		947	sub size_request {
		948	my ($self) = @_;
		949
		950	$self->{layout}->set_width;
		951	$self->{layout}->set_height ($self->{height});
		952	my ($w, $h) = $self->{layout}->size;
		953
		954	(
		955	$w + $self->{padding} * 2,
		956	$h + $self->{padding} * 2,
		957	)
		958	}
		959
		960	sub size_allocate {
		961	my ($self, $x, $y, $w, $h) = @_;
		962
		963	$self->_size_allocate ($x, $y, $w, $h) or return;
		964
		965	delete $self->{texture};
		966	}
		967
		968	sub update {
		969	my ($self) = @_;
		970
		971	delete $self->{texture};
		972	$self->SUPER::update;
		973	}
		974
		975	sub _draw {
		976	my ($self) = @_;
		977
		978	my $tex = $self->{texture} ||= do {
		979	$self->{layout}->set_width ($self->{w});
		980	new_from_layout CFClient::Texture $self->{layout}
		981	};
		982
		983	glEnable GL_BLEND;
		984	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
		985	glEnable GL_TEXTURE_2D;
		986	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
		987
		988	glColor @{$self->{fg}};
		989
		990	my $x =
		991	$self->{align} < 0 ? $self->{padding}
		992	: $self->{align} > 0 ? $self->{w} - $tex->{w} - $self->{padding}
		993	: ($self->{w} - $tex->{w}) * 0.5;
		994
		995	$tex->draw_quad ($x, $self->{padding});
		996
		997	glDisable GL_TEXTURE_2D;
		998	glDisable GL_BLEND;
		999	}
		1000
		1001	#############################################################################
		1002
		1003	package CFClient::UI::Entry;
		1004
		1005	our @ISA = CFClient::UI::Label::;
		1006
		1007	use SDL;
		1008	use SDL::OpenGL;
		1009
		1010	sub new {
		1011	my $class = shift;
		1012
		1013	$class->SUPER::new (
		1014	fg => [1, 1, 1],
		1015	bg => [0, 0, 0, 0.2],
		1016	active_bg => [1, 1, 1],
		1017	active_fg => [0, 0, 0],
		1018	@_
		1019	)
		1020	}
		1021
		1022	sub _set_text {
		1023	my ($self, $text) = @_;
		1024
		1025	$self->{last_activity} = $::NOW;
		1026
		1027	$self->{text} = $text;
		1028	$self->{layout}->set_width ($self->{w});
		1029
		1030	$text =~ s/./*/g if $self->{hidden};
		1031
		1032	$self->{layout}->set_markup ($self->escape_text ($text) . " ");
		1033
		1034	$text = substr $text, 0, $self->{cursor};
		1035	utf8::encode $text;
		1036
		1037	@$self{qw(cur_x cur_y cur_h)} = $self->{layout}->cursor_pos (length $text);
		1038	}
		1039
		1040	sub size_request {
		1041	my ($self) = @_;
		1042
		1043	my ($w, $h) = $self->SUPER::size_request;
		1044
		1045	($w + 1, $h) # add 1 for cursor
		1046	}
		1047
		1048	sub size_allocate {
		1049	my ($self, $x, $y, $w, $h) = @_;
		1050
		1051	$self->SUPER::size_allocate ($x, $y, $w, $h);
		1052
		1053	$self->_set_text ($self->{text});
		1054	}
		1055
		1056	sub set_text {
		1057	my ($self, $text) = @_;
		1058
		1059	$self->{cursor} = length $text;
		1060	$self->_set_text ($text);
		1061	$self->update;
		1062	}
		1063
34	sub key_down {	1064	sub key_down {
35	my ($widget, $sdlev) = @_;	1065	my ($self, $ev) = @_;
		1066
		1067	my $mod = $ev->key_mod;
		1068	my $sym = $ev->key_sym;
		1069
		1070	my $uni = $ev->key_unicode;
		1071
		1072	my $text = $self->get_text;
		1073
		1074	if ($sym == SDLK_BACKSPACE) {
		1075	substr $text, --$self->{cursor}, 1, "" if $self->{cursor};
		1076	} elsif ($sym == SDLK_DELETE) {
		1077	substr $text, $self->{cursor}, 1, "";
		1078	} elsif ($sym == SDLK_LEFT) {
		1079	--$self->{cursor} if $self->{cursor};
		1080	} elsif ($sym == SDLK_RIGHT) {
		1081	++$self->{cursor} if $self->{cursor} < length $self->{text};
		1082	} elsif ($sym == SDLK_HOME) {
		1083	$self->{cursor} = 0;
		1084	} elsif ($sym == SDLK_END) {
		1085	$self->{cursor} = length $text;
		1086	} elsif ($uni) {
		1087	substr $text, $self->{cursor}++, 0, chr $uni;
		1088	}
		1089
		1090	$self->_set_text ($text);
		1091	$self->update;
36	}	1092	}
37	sub key_up {	1093
38	my ($widget, $sdlev) = @_;	1094	sub focus_in {
		1095	my ($self) = @_;
		1096
		1097	$self->{last_activity} = $::NOW;
		1098
		1099	$self->SUPER::focus_in;
39	}	1100	}
		1101
40	sub button_down {	1102	sub button_down {
41	my ($widget, $sdlev) = @_;	1103	my ($self, $ev, $x, $y) = @_;
		1104
		1105	$self->SUPER::button_down ($ev, $x, $y);
		1106
		1107	my $idx = $self->{layout}->xy_to_index ($x, $y);
		1108
		1109	# byte-index to char-index
		1110	my $text = $self->{text};
		1111	utf8::encode $text;
		1112	$self->{cursor} = length substr $text, 0, $idx;
		1113
		1114	$self->_set_text ($self->{text});
		1115	$self->update;
42	}	1116	}
43	sub button_up {	1117
44	my ($widget, $sdlev) = @_;	1118	sub mouse_motion {
		1119	my ($self, $ev, $x, $y) = @_;
		1120	# printf "M %d,%d %d,%d\n", $ev->motion_x, $ev->motion_y, $x, $y;#d#
45	}	1121	}
		1122
46	sub draw {	1123	sub _draw {
47	my ($widget) = @_;	1124	my ($self) = @_;
48	}
49	sub bbox {
50	my ($widget) = @_;
51	}
52		1125
53	package Client::TextView;	1126	local $self->{fg} = $self->{fg};
		1127
		1128	if ($FOCUS == $self) {
		1129	glColor @{$self->{active_bg}};
		1130	$self->{fg} = $self->{active_fg};
		1131	} else {
		1132	glColor @{$self->{bg}};
		1133	}
		1134
		1135	glEnable GL_BLEND;
		1136	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
		1137	glBegin GL_QUADS;
		1138	glVertex 0 , 0;
		1139	glVertex 0 , $self->{h};
		1140	glVertex $self->{w}, $self->{h};
		1141	glVertex $self->{w}, 0;
		1142	glEnd;
		1143	glDisable GL_BLEND;
		1144
		1145	$self->SUPER::_draw;
		1146
		1147	#TODO: force update every cursor change :(
		1148	if ($FOCUS == $self && (($::NOW - $self->{last_activity}) & 1023) < 600) {
		1149	glColor @{$self->{fg}};
		1150	glBegin GL_LINES;
		1151	glVertex $self->{cur_x}, $self->{cur_y};
		1152	glVertex $self->{cur_x}, $self->{cur_y} + $self->{cur_h};
		1153	glEnd;
		1154	}
		1155	}
		1156
		1157	#############################################################################
		1158
		1159	package CFClient::UI::Slider;
		1160
54	use strict;	1161	use strict;
55	our @ISA = qw/Client::Widget/;
56		1162
57	use SDL::OpenGL;	1163	use SDL::OpenGL;
58	use SDL::OpenGL::Constants;
59		1164
60	sub add_line {	1165	our @ISA = CFClient::UI::DrawBG::;
		1166
		1167	sub new {
		1168	my $class = shift;
		1169
		1170	# range [value, low, high, page]
		1171
		1172	my $self = $class->SUPER::new (
		1173	fg => [1, 1, 1],
		1174	active_fg => [0, 0, 0],
		1175	range => [0, 0, 100, 10],
		1176	req_w => 40,
		1177	req_h => 10,
		1178	vertical => 0,
		1179	@_
		1180	);
		1181
		1182	$self
		1183	}
		1184
		1185	sub size_request {
61	my ($self, $line) = @_;	1186	my ($self) = @_;
62	push @{$self->{lines}}, $line;
63	}
64		1187
		1188	my $w = $self->{req_w};
		1189	my $h = $self->{req_h};
		1190
		1191	$self->{vertical} ? ($h, $w) : ($w, $h)
		1192	}
		1193
		1194	sub button_down {
		1195	my ($self, $ev, $x, $y) = @_;
		1196
		1197	$self->SUPER::button_down ($ev, $x, $y);
		1198	$self->mouse_motion ($ev, $x, $y);
		1199	}
		1200
		1201	sub mouse_motion {
		1202	my ($self, $ev, $x, $y) = @_;
		1203
		1204	if ($GRAB == $self) {
		1205	my ($value, $lo, $hi, $page) = @{$self->{range}};
		1206
		1207	my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w});
		1208
		1209	$x = $x * ($hi - $lo) / $w + $lo;
		1210	$x = $lo if $x < $lo;
		1211	$x = $hi - $page if $x > $hi - $page;
		1212	$self->{range}[0] = $x;
		1213
		1214	$self->emit (changed => $x);
		1215	$self->update;
		1216	}
		1217	}
		1218
65	sub draw {	1219	sub _draw {
66	my ($self) = @_;	1220	my ($self) = @_;
67		1221
68	}	1222	$self->SUPER::_draw ();
69		1223
		1224	my ($w, $h) = @$self{qw(w h)};
		1225
		1226	if ($self->{vertical}) {
		1227	# draw a vertical slider like a rotated horizontal slider
		1228
		1229	glRotate 90, 0, 0, 1;
		1230	glTranslate 0, -$self->{w}, 0;
		1231
		1232	($w, $h) = ($h, $w);
		1233	}
		1234
		1235	my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg};
		1236	my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg};
		1237
		1238	my ($value, $lo, $hi, $page) = @{$self->{range}};
		1239
		1240	$page = int $page * $w / ($hi - $lo);
		1241	$value = int +($value - $lo) * $w / ($hi - $lo);
		1242
		1243	$w -= $page;
		1244	$page &= ~1;
		1245	glTranslate $page * 0.5, 0, 0;
		1246
		1247	glColor @$fg;
		1248	glBegin GL_LINES;
		1249	glVertex 0, 0; glVertex 0, $h;
		1250	glVertex $w - 1, 0; glVertex $w - 1, $h;
		1251	glVertex 0, $h * 0.5; glVertex $w, $h * 0.5;
		1252	glEnd;
		1253
		1254	my $knob_a = $value - $page * 0.5;
		1255	my $knob_b = $value + $page * 0.5;
		1256
		1257	glBegin GL_QUADS;
		1258	glColor @$fg;
		1259	glVertex $knob_a, 0;
		1260	glVertex $knob_a, $h;
		1261	glVertex $knob_b, $h;
		1262	glVertex $knob_b, 0;
		1263
		1264	if ($knob_a < $knob_b - 2) {
		1265	glColor @$bg;
		1266	glVertex $knob_a + 1, 1;
		1267	glVertex $knob_a + 1, $h - 1;
		1268	glVertex $knob_b - 1, $h - 1;
		1269	glVertex $knob_b - 1, 1;
		1270	}
		1271	glEnd;
		1272	}
		1273
		1274	#############################################################################
		1275
70	package Client::MapWidget;	1276	package CFClient::UI::MapWidget;
		1277
71	use strict;	1278	use strict;
72	our @ISA = qw/Client::Widget/;
73		1279
		1280	use List::Util qw(min max);
		1281
		1282	use SDL;
74	use SDL::OpenGL;	1283	use SDL::OpenGL;
75	use SDL::OpenGL::Constants;	1284
		1285	our @ISA = CFClient::UI::Base::;
		1286
		1287	sub new {
		1288	my $class = shift;
		1289
		1290	$class->SUPER::new (
		1291	z => -1,
		1292	list => (glGenLists 1),
		1293	@_
		1294	)
		1295	}
76		1296
77	sub key_down {	1297	sub key_down {
78	print "MAPKEYDOWN\n";	1298	print "MAPKEYDOWN\n";
79	}	1299	}
80		1300
81	sub key_up {	1301	sub key_up {
82	}	1302	}
83		1303
		1304	sub size_request {
		1305	(
		1306	1 + 32 * int $::WIDTH / 32,
		1307	1 + 32 * int $::HEIGHT / 32,
		1308	)
		1309	}
		1310
		1311	sub update {
		1312	my ($self) = @_;
		1313
		1314	$self->{need_update} = 1;
		1315	$self->SUPER::update;
		1316	}
		1317
84	sub draw {	1318	sub draw {
85	glEnable GL_TEXTURE_2D;	1319	my ($self) = @_;
86	glEnable GL_BLEND;
87		1320
		1321	if (delete $self->{need_update}) {
		1322	glNewList $self->{list}, GL_COMPILE;
		1323
		1324	my $mx = $::CONN->{mapx};
		1325	my $my = $::CONN->{mapy};
		1326
88	my $map = $::CONN->{map};	1327	my $map = $::CONN->{map};
89		1328
90	for my $x (0 .. $::CONN->{mapw} - 1) {	1329	my ($xofs, $yofs);
91	for my $y (0 .. $::CONN->{maph} - 1) {
92		1330
93	my $cell = $map->[$x][$y]	1331	my $sw = 1 + int $::WIDTH / 32;
		1332	my $sh = 1 + int $::HEIGHT / 32;
		1333
		1334	if ($::CONN->{mapw} > $sw) {
		1335	$xofs = $mx + ($::CONN->{mapw} - $sw) * 0.5;
		1336	} else {
		1337	$xofs = $self->{xofs} = min $mx, max $mx + $::CONN->{mapw} - $sw + 1, $self->{xofs};
		1338	}
		1339
		1340	if ($::CONN->{maph} > $sh) {
		1341	$yofs = $my + ($::CONN->{maph} - $sh) * 0.5;
		1342	} else {
		1343	$yofs = $self->{yofs} = min $my, max $my + $::CONN->{maph} - $sh + 1, $self->{yofs};
		1344	}
		1345
		1346	glEnable GL_TEXTURE_2D;
		1347	glEnable GL_BLEND;
		1348	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
		1349	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
		1350
		1351	my $sw4 = ($sw + 3) & ~3;
		1352	my $darkness = "\x00" x ($sw4 * $sh);
		1353
		1354	for my $x (0 .. $sw - 1) {
		1355	my $row = $map->[$x + $xofs];
		1356	for my $y (0 .. $sh - 1) {
		1357
		1358	my $cell = $row->[$y + $yofs]
94	or next;	1359	or next;
95		1360
96	my $darkness = $cell->[3] * (1 / 255);	1361	my $dark = $cell->[0];
97	glColor $darkness, $darkness, $darkness;	1362	if ($dark < 0) {
		1363	substr $darkness, $y * $sw4 + $x, 1, chr 224;
		1364	} else {
		1365	substr $darkness, $y * $sw4 + $x, 1, chr 255 - $dark;
		1366	}
98		1367
99	for my $num (grep $_, $cell->[0], $cell->[1], $cell->[2]) {	1368	for my $num (grep $_, @$cell[1,2,3]) {
100	my $tex = $::CONN->{face}[$num]{texture} || 0;	1369	my $tex = $::CONN->{face}[$num]{texture} || next;
		1370
		1371	my ($w, $h) = @$tex{qw(w h)};
101		1372
102	glBindTexture GL_TEXTURE_2D, $tex;	1373	$tex->draw_quad (($x + 1) * 32 - $w, ($y + 1) * 32 - $h, $w, $h);
103
104	glBegin GL_QUADS;
105	glTexCoord 0, 0; glVertex $x, $y;
106	glTexCoord 0, 1; glVertex $x, $y + 1;
107	glTexCoord 1, 1; glVertex $x + 1, $y + 1;
108	glTexCoord 1, 0; glVertex $x + 1, $y;
109	glEnd;	1374	}
110	}	1375	}
111	}	1376	}
		1377
		1378	# if (1) { # higher quality darkness
		1379	# $lighting =~ s/(.)/$1$1$1/gs;
		1380	# my $pb = new_from_data Gtk2::Gdk::Pixbuf $lighting, "rgb", 0, 8, $sw4, $sh, $sw4 * 3;
		1381	#
		1382	# $pb = $pb->scale_simple ($sw4 * 0.5, $sh * 0.5, "bilinear");
		1383	#
		1384	# $lighting = $pb->get_pixels;
		1385	# $lighting =~ s/(.)../$1/gs;
112	}	1386	# }
113		1387
		1388	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
		1389
		1390	$darkness = new CFClient::Texture
		1391	w => $sw4,
		1392	h => $sh,
		1393	data => $darkness,
		1394	internalformat => GL_ALPHA,
		1395	format => GL_ALPHA;
		1396
		1397	glColor 0.45, 0.45, 0.45, 1;
		1398	$darkness->draw_quad (0, 0, $sw4 * 32, $sh * 32);
		1399
114	glDisable GL_TEXTURE_2D;	1400	glDisable GL_TEXTURE_2D;
115	glDisable GL_BLEND;	1401	glDisable GL_BLEND;
116	}
117		1402
118	1;	1403	glEndList;
		1404	}
		1405
		1406	glCallList $self->{list};
		1407	}
		1408
		1409	my %DIR = (
		1410	SDLK_KP8, [1, "north"],
		1411	SDLK_KP9, [2, "northeast"],
		1412	SDLK_KP6, [3, "east"],
		1413	SDLK_KP3, [4, "southeast"],
		1414	SDLK_KP2, [5, "south"],
		1415	SDLK_KP1, [6, "southwest"],
		1416	SDLK_KP4, [7, "west"],
		1417	SDLK_KP7, [8, "northwest"],
		1418
		1419	SDLK_UP, [1, "north"],
		1420	SDLK_RIGHT, [3, "east"],
		1421	SDLK_DOWN, [5, "south"],
		1422	SDLK_LEFT, [7, "west"],
		1423	);
		1424
		1425	sub key_down {
		1426	my ($self, $ev) = @_;
		1427
		1428	my $mod = $ev->key_mod;
		1429	my $sym = $ev->key_sym;
		1430
		1431	if ($sym == SDLK_KP5) {
		1432	$::CONN->send ("command stay fire");
		1433	} elsif (exists $DIR{$sym}) {
		1434	if ($mod & KMOD_SHIFT) {
		1435	$self->{shft}++;
		1436	$::CONN->send ("command fire $DIR{$sym}[0]");
		1437	} elsif ($mod & KMOD_CTRL) {
		1438	$self->{ctrl}++;
		1439	$::CONN->send ("command run $DIR{$sym}[0]");
		1440	} else {
		1441	$::CONN->send ("command $DIR{$sym}[1]");
		1442	}
		1443	}
		1444	}
		1445
		1446	sub key_up {
		1447	my ($self, $ev) = @_;
		1448
		1449	my $mod = $ev->key_mod;
		1450	my $sym = $ev->key_sym;
		1451
		1452	if (!($mod & KMOD_SHIFT) && delete $self->{shft}) {
		1453	$::CONN->send ("command fire_stop");
		1454	}
		1455	if (!($mod & KMOD_CTRL ) && delete $self->{ctrl}) {
		1456	$::CONN->send ("command run_stop");
		1457	}
		1458	}
		1459
		1460	#############################################################################
		1461
		1462	package CFClient::UI::Animator;
		1463
		1464	use SDL::OpenGL;
		1465
		1466	our @ISA = CFClient::UI::Bin::;
		1467
		1468	sub moveto {
		1469	my ($self, $x, $y) = @_;
		1470
		1471	$self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
		1472	$self->{speed} = 0.001;
		1473	$self->{time} = 1;
		1474
		1475	::animation_start $self;
		1476	}
		1477
		1478	sub animate {
		1479	my ($self, $interval) = @_;
		1480
		1481	$self->{time} -= $interval * $self->{speed};
		1482	if ($self->{time} <= 0) {
		1483	$self->{time} = 0;
		1484	::animation_stop $self;
		1485	}
		1486
		1487	my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
		1488
		1489	$self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
		1490	$self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
		1491	}
		1492
		1493	sub _draw {
		1494	my ($self) = @_;
		1495
		1496	glPushMatrix;
		1497	glRotate $self->{time} * 1000, 0, 1, 0;
		1498	$self->{children}[0]->draw;
		1499	glPopMatrix;
		1500	}
		1501
		1502	#############################################################################
		1503
		1504	package CFClient::UI::Toplevel;
		1505
		1506	our @ISA = CFClient::UI::Container::;
		1507
		1508	sub size_request {
		1509	($::WIDTH, $::HEIGHT)
		1510	}
		1511
		1512	sub size_allocate {
		1513	my ($self, $x, $y, $w, $h) = @_;
		1514
		1515	$self->_size_allocate ($x, $y, $w, $h);
		1516
		1517	$_->size_allocate ($_->{x}, $_->{y}, $_->size_request)
		1518	for @{$self->{children}};
		1519	}
		1520
		1521	sub translate {
		1522	my ($self, $x, $y) = @_;
		1523
		1524	($x, $y)
		1525	}
		1526
		1527	sub update {
		1528	my ($self) = @_;
		1529
		1530	$self->size_allocate (0, 0, $::WIDTH, $::HEIGHT);
		1531	::refresh ();
		1532	}
		1533
		1534	sub add {
		1535	my ($self, $widget) = @_;
		1536
		1537	$self->SUPER::add ($widget);
		1538
		1539	$widget->size_allocate ($widget->{x}, $widget->{y}, $widget->size_request);
		1540	}
		1541
		1542	sub draw {
		1543	my ($self) = @_;
		1544
		1545	$self->_draw;
		1546	}
		1547
		1548	#############################################################################
		1549
		1550	package CFClient::UI;
		1551
		1552	$TOPLEVEL = new CFClient::UI::Toplevel;
		1553
		1554	1
		1555

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