Deliantra-Client/DC/UI.pm
package DC::UI;
use common::sense;
use List::Util ();
use Guard ();
use DC;
use DC::Pod;
use DC::Texture;
our ($FOCUS, $HOVER, $GRAB); # various widgets
our $LAYOUT;
our $ROOT;
our $TOOLTIP;
our $BUTTON_STATE;
our %WIDGET; # all widgets, weak-referenced
our $TOOLTIP_WATCHER = EV::timer_ns 0, 0.03, sub {
$_[0]->stop;
if (!$GRAB) {
for (my $widget = $HOVER; $widget; $widget = $widget->{parent}) {
if (length $widget->{tooltip}) {
if ($TOOLTIP->{owner} != $widget) {
$TOOLTIP->{owner}->emit ("tooltip_hide") if $TOOLTIP->{owner};
$TOOLTIP->hide;
$TOOLTIP->{owner} = $widget;
$TOOLTIP->{owner}->emit ("tooltip_show") if $TOOLTIP->{owner};
return if $ENV{CFPLUS_DEBUG} & 8;
$TOOLTIP->set_tooltip_from ($widget);
$TOOLTIP->show;
}
return;
}
}
}
$TOOLTIP->hide;
$TOOLTIP->{owner}->emit ("tooltip_hide") if $TOOLTIP->{owner};
delete $TOOLTIP->{owner};
};
sub get_layout {
my $layout;
for (grep { $_->{name} } values %WIDGET) {
my $win = $layout->{$_->{name}} = { };
$win->{x} = ($_->{x} + $_->{w} * 0.5) / $::WIDTH if $_->{x} =~ /^[0-9.]+$/;
$win->{y} = ($_->{y} + $_->{h} * 0.5) / $::HEIGHT if $_->{y} =~ /^[0-9.]+$/;
$win->{w} = $_->{w} / $::WIDTH if defined $_->{w};
$win->{h} = $_->{h} / $::HEIGHT if defined $_->{h};
$win->{show} = $_->{visible} && $_->{is_toplevel};
}
$layout
}
sub set_layout {
my ($layout) = @_;
$LAYOUT = $layout;
}
# class methods for events
sub feed_sdl_key_down_event {
$FOCUS->emit (key_down => $_[0])
if $FOCUS;
}
sub feed_sdl_key_up_event {
$FOCUS->emit (key_up => $_[0])
if $FOCUS;
}
sub check_hover {
my ($widget) = @_;
if ($widget != $HOVER) {
my $hover = $HOVER; $HOVER = $widget;
$hover->update if $hover && $hover->{can_hover};
$HOVER->update if $HOVER && $HOVER->{can_hover};
$TOOLTIP_WATCHER->again;
}
}
sub feed_sdl_button_down_event {
my ($ev) = @_;
my ($x, $y) = ($ev->{x}, $ev->{y});
$BUTTON_STATE |= 1 << ($ev->{button} - 1);
unless ($GRAB) {
my $widget = $ROOT->find_widget ($x, $y);
$GRAB = $widget;
$GRAB->update if $GRAB;
$TOOLTIP_WATCHER->invoke;
}
if ($GRAB) {
if ($ev->{button} == 4 || $ev->{button} == 5) {
# mousewheel
my $delta = $ev->{button} * 2 - 9;
my $shift = $ev->{mod} & DC::KMOD_SHIFT;
$ev->{dx} = $shift ? $delta : 0;
$ev->{dy} = $shift ? 0 : $delta;
$GRAB->emit (mouse_wheel => $ev);
} else {
$GRAB->emit (button_down => $ev)
}
}
}
sub feed_sdl_button_up_event {
my ($ev) = @_;
my $widget = $GRAB || $ROOT->find_widget ($ev->{x}, $ev->{y});
$BUTTON_STATE &= ~(1 << ($ev->{button} - 1));
$GRAB->emit (button_up => $ev)
if $GRAB && $ev->{button} != 4 && $ev->{button} != 5;
unless ($BUTTON_STATE) {
my $grab = $GRAB; undef $GRAB;
$grab->update if $grab;
$GRAB->update if $GRAB;
check_hover $widget;
$TOOLTIP_WATCHER->invoke;
}
}
sub feed_sdl_motion_event {
my ($ev) = @_;
my ($x, $y) = ($ev->{x}, $ev->{y});
my $widget = $GRAB || $ROOT->find_widget ($x, $y);
check_hover $widget;
$HOVER->emit (mouse_motion => $ev)
if $HOVER;
}
# convert position array to integers
sub harmonize {
my ($vals) = @_;
my $rem = 0;
for (@$vals) {
my $i = int $_ + $rem;
$rem += $_ - $i;
$_ = $i;
}
}
sub full_refresh {
# make a copy, otherwise for complains about freed values.
my @widgets = values %WIDGET;
$_->update
for @widgets;
}
sub reconfigure_widgets {
# make a copy, otherwise C<for> complains about freed values.
my @widgets = values %WIDGET;
$_->reconfigure
for @widgets;
}
# call when resolution changes etc.
sub rescale_widgets {
my ($sx, $sy) = @_;
for my $widget (values %WIDGET) {
if ($widget->{is_toplevel} || $widget->{c_rescale}) {
$widget->{x} += int $widget->{w} * 0.5 if $widget->{x} =~ /^[0-9.]+$/;
$widget->{y} += int $widget->{h} * 0.5 if $widget->{y} =~ /^[0-9.]+$/;
$widget->{x} = int 0.5 + $widget->{x} * $sx if $widget->{x} =~ /^[0-9.]+$/;
$widget->{w} = int 0.5 + $widget->{w} * $sx if exists $widget->{w};
$widget->{force_w} = int 0.5 + $widget->{force_w} * $sx if exists $widget->{force_w};
$widget->{y} = int 0.5 + $widget->{y} * $sy if $widget->{y} =~ /^[0-9.]+$/;
$widget->{h} = int 0.5 + $widget->{h} * $sy if exists $widget->{h};
$widget->{force_h} = int 0.5 + $widget->{force_h} * $sy if exists $widget->{force_h};
$widget->{x} -= int $widget->{w} * 0.5 if $widget->{x} =~ /^[0-9.]+$/;
$widget->{y} -= int $widget->{h} * 0.5 if $widget->{y} =~ /^[0-9.]+$/;
}
}
reconfigure_widgets;
}
#############################################################################
package DC::UI::Event;
sub xy {
$_[1]->coord2local ($_[0]{x}, $_[0]{y})
}
#############################################################################
package DC::UI::Base;
use common::sense;
use DC::OpenGL;
sub new {
my $class = shift;
my $self = bless {
x => "center",
y => "center",
z => 0,
w => undef,
h => undef,
can_events => 1,
@_
}, $class;
DC::weaken ($DC::UI::WIDGET{$self+0} = $self);
for (keys %$self) {
if (/^on_(.*)$/) {
$self->connect ($1 => delete $self->{$_});
}
}
if (my $layout = $DC::UI::LAYOUT->{$self->{name}}) {
$self->{x} = $layout->{x} * $DC::UI::ROOT->{alloc_w} if exists $layout->{x};
$self->{y} = $layout->{y} * $DC::UI::ROOT->{alloc_h} if exists $layout->{y};
$self->{force_w} = $layout->{w} * $DC::UI::ROOT->{alloc_w} if exists $layout->{w};
$self->{force_h} = $layout->{h} * $DC::UI::ROOT->{alloc_h} if exists $layout->{h};
$self->{x} -= $self->{force_w} * 0.5 if exists $layout->{x};
$self->{y} -= $self->{force_h} * 0.5 if exists $layout->{y};
$self->show if $layout->{show};
}
$self
}
sub destroy {
my ($self) = @_;
$self->hide;
$self->emit ("destroy");
%$self = ();
}
sub TO_JSON {
{ "\fw" => $_[0]{s_id} }
}
sub show {
my ($self) = @_;
return if $self->{parent};
$DC::UI::ROOT->add ($self);
}
sub set_visible {
my ($self) = @_;
return if $self->{visible};
$self->{parent} && $self->{parent}{root}#d#
or return ::clienterror ("set_visible called without parent ($self->{parent}) or root\n" => 1);
$self->{root} = $self->{parent}{root};
$self->{visible} = $self->{parent}{visible} + 1;
$self->emit (visibility_change => 1);
$self->realloc if !exists $self->{req_w};
$_->set_visible for $self->visible_children;
}
sub set_invisible {
my ($self) = @_;
return unless $self->{visible};
$_->set_invisible for $self->children;
delete $self->{visible};
delete $self->{root};
undef $GRAB if $GRAB == $self;
undef $HOVER if $HOVER == $self;
$DC::UI::TOOLTIP_WATCHER->invoke
if $TOOLTIP->{owner} == $self;
$self->emit ("focus_out");
$self->emit (visibility_change => 0);
}
sub set_visibility {
my ($self, $visible) = @_;
return if $self->{visible} == $visible;
$visible ? $self->show
: $self->hide;
}
sub toggle_visibility {
my ($self) = @_;
$self->{visible}
? $self->hide
: $self->show;
}
sub hide {
my ($self) = @_;
$self->set_invisible;
# extra $parent copy for 5.8.8+ bug workaround
# (otherwise $_[0] in remove gets freed
if (my $parent = $self->{parent}) {
$parent->remove ($self);
}
}
sub move_abs {
my ($self, $x, $y, $z) = @_;
$self->{x} = List::Util::max 0, List::Util::min $self->{root}{w} - $self->{w}, int $x;
$self->{y} = List::Util::max 0, List::Util::min $self->{root}{h} - $self->{h}, int $y;
$self->{z} = $z if defined $z;
$self->update;
}
sub set_size {
my ($self, $w, $h) = @_;
$self->{force_w} = $w;
$self->{force_h} = $h;
$self->realloc;
}
# traverse the widget chain up to find the maximum "physical" size constraints
sub get_max_wh {
my ($self) = @_;
my ($w, $h) = @$self{qw(max_w max_h)};
if ($w <= 0 || $h <= 0) {
my ($mw, $mh) = $self->{parent}
? $self->{parent}->get_max_wh
: ($::WIDTH, $::HEIGHT);
$w = $mw if $w <= 0;
$h = $mh if $h <= 0;
}
($w, $h)
}
sub size_request {
require Carp;
Carp::confess "size_request is abstract";
}
sub baseline_shift {
0
}
sub configure {
my ($self, $x, $y, $w, $h) = @_;
if ($self->{aspect}) {
my ($ow, $oh) = ($w, $h);
$w = List::Util::min $w, DC::ceil $h * $self->{aspect};
$h = List::Util::min $h, DC::ceil $w / $self->{aspect};
# use alignment to adjust x, y
$x += int 0.5 * ($ow - $w);
$y += int 0.5 * ($oh - $h);
}
if ($self->{x} ne $x || $self->{y} ne $y) {
$self->{x} = $x;
$self->{y} = $y;
$self->update;
}
if ($self->{alloc_w} != $w || $self->{alloc_h} != $h) {
return unless $self->{visible};
$self->{alloc_w} = $w;
$self->{alloc_h} = $h;
$self->{root}{size_alloc}{$self+0} = $self;
}
}
sub children {
# nop
}
sub visible_children {
$_[0]->children
}
sub set_max_size {
my ($self, $w, $h) = @_;
$self->{max_w} = int $w if defined $w;
$self->{max_h} = int $h if defined $h;
$self->realloc;
}
sub set_tooltip {
my ($self, $tooltip) = @_;
$tooltip =~ s/^\s+//;
$tooltip =~ s/\s+$//;
return if $self->{tooltip} eq $tooltip;
$self->{tooltip} = $tooltip;
if ($DC::UI::TOOLTIP->{owner} == $self) {
delete $DC::UI::TOOLTIP->{owner};
$DC::UI::TOOLTIP_WATCHER->invoke;
}
}
# translate global coordinates to local coordinate system
sub coord2local {
my ($self, $x, $y) = @_;
return (undef, undef) unless $self->{parent};
$self->{parent}->coord2local ($x - $self->{x}, $y - $self->{y})
}
# translate local coordinates to global coordinate system
sub coord2global {
my ($self, $x, $y) = @_;
return (undef, undef) unless $self->{parent};
$self->{parent}->coord2global ($x + $self->{x}, $y + $self->{y})
}
sub invoke_focus_in {
my ($self) = @_;
return if $FOCUS == $self;
return unless $self->{can_focus};
$FOCUS = $self;
$self->update;
0
}
sub invoke_focus_out {
my ($self) = @_;
return unless $FOCUS == $self;
undef $FOCUS;
$self->update;
$::MAPWIDGET->grab_focus #d# focus mapwidget if no other widget has focus
unless $FOCUS;
0
}
sub grab_focus {
my ($self) = @_;
$FOCUS->emit ("focus_out") if $FOCUS;
$self->emit ("focus_in");
}
sub invoke_mouse_motion { 0 }
sub invoke_button_up { 0 }
sub invoke_key_down { 0 }
sub invoke_key_up { 0 }
sub invoke_mouse_wheel { 0 }
sub invoke_button_down {
my ($self, $ev, $x, $y) = @_;
$self->grab_focus;
0
}
sub connect {
my ($self, $signal, $cb) = @_;
push @{ $self->{signal_cb}{$signal} }, $cb;
defined wantarray and Guard::guard {
@{ $self->{signal_cb}{$signal} } = grep $_ != $cb,
@{ $self->{signal_cb}{$signal} };
}
}
sub disconnect_all {
my ($self, $signal) = @_;
delete $self->{signal_cb}{$signal};
}
my %has_coords = (
button_down => 1,
button_up => 1,
mouse_motion => 1,
mouse_wheel => 1,
);
sub emit {
my ($self, $signal, @args) = @_;
# I do not really like this solution, but I do not like duplication
# and needlessly verbose code, either.
my @append
= $has_coords{$signal}
? $args[0]->xy ($self)
: ();
#warn +(caller(1))[3] . "emit $signal on $self (parent $self->{parent})\n";#d#
for my $cb (
@{$self->{signal_cb}{$signal} || []}, # before
($self->can ("invoke_$signal") || sub { 1 }), # closure
) {
return $cb->($self, @args, @append) || next;
}
# parent
$self->{parent} && $self->{parent}->emit ($signal, @args)
}
#sub find_widget {
# in .xs
sub set_parent {
my ($self, $parent) = @_;
DC::weaken ($self->{parent} = $parent);
$self->set_visible if $parent->{visible};
}
sub realloc {
my ($self) = @_;
if ($self->{visible}) {
return if $self->{root}{realloc}{$self+0};
$self->{root}{realloc}{$self+0} = $self;
$self->{root}->update;
} else {
delete $self->{req_w};
delete $self->{req_h};
}
}
sub update {
my ($self) = @_;
$self->{parent}->update
if $self->{parent};
}
sub reconfigure {
my ($self) = @_;
$self->realloc;
$self->update;
}
# using global variables seems a bit hacky, but passing through all drawing
# functions seems pointless.
our ($draw_x, $draw_y, $draw_w, $draw_h); # screen rectangle being drawn
#sub draw {
#CFPlus.xs
sub _draw {
my ($self) = @_;
warn "no draw defined for $self\n";
}
sub DESTROY {
my ($self) = @_;
return if DC::in_destruct;
local $@;
eval { $self->destroy };
warn "exception during widget destruction: $@" if $@ & $@ != /during global destruction/;
delete $WIDGET{$self+0};
}
#############################################################################
package DC::UI::DrawBG;
our @ISA = DC::UI::Base::;
use common::sense;
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
#bg => [0, 0, 0, 0.2],
#active_bg => [1, 1, 1, 0.5],
@_
)
}
sub set_bg {
my ($self, $bg) = @_;
$self->{bg} = $bg;
$self->update;
}
sub _draw {
my ($self) = @_;
my $color = $FOCUS == $self
? $self->{active_bg} || $self->{bg}
: $self->{bg};
if ($color && (@$color < 4 || $color->[3])) {
my ($w, $h) = @$self{qw(w h)};
glEnable GL_BLEND;
glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
glColor_premultiply @$color;
glRect 0, 0, $w, $h;
glDisable GL_BLEND;
}
}
#############################################################################
package DC::UI::Empty;
our @ISA = DC::UI::Base::;
sub new {
my ($class, %arg) = @_;
$class->SUPER::new (can_events => 0, %arg);
}
sub size_request {
my ($self) = @_;
($self->{w} + 0, $self->{h} + 0)
}
sub draw { }
#############################################################################
package DC::UI::Container;
our @ISA = DC::UI::Base::;
sub new {
my ($class, %arg) = @_;
my $children = delete $arg{children};
my $self = $class->SUPER::new (
children => [],
can_events => 0,
%arg,
);
$self->add (@$children)
if $children && @$children;
$self
}
sub realloc {
my ($self) = @_;
$self->{force_realloc} = 1;
$self->{force_size_alloc} = 1;
$self->SUPER::realloc;
}
sub add {
my ($self, @widgets) = @_;
$_->set_parent ($self)
for @widgets;
# TODO: only do this in widgets that need it, e.g. root, fixed
use sort 'stable';
$self->{children} = [
sort { $a->{z} <=> $b->{z} }
@{$self->{children}}, @widgets
];
$self->realloc;
$self->emit (c_add => \@widgets);
map $_+0, @widgets
}
sub children {
@{ $_[0]{children} }
}
sub remove {
my ($self, @widgets) = @_;
$self->emit (c_remove => \@widgets);
for my $child (@widgets) {
delete $child->{parent};
$child->hide;
$self->{children} = [ grep $_ != $child, @{ $self->{children} } ];
}
$self->realloc;
}
sub clear {
my ($self) = @_;
my $children = $self->{children};
$self->{children} = [];
for (@$children) {
delete $_->{parent};
$_->hide;
}
$self->realloc;
}
sub find_widget {
my ($self, $x, $y) = @_;
$x -= $self->{x};
$y -= $self->{y};
my $res;
for (reverse $self->visible_children) {
$res = $_->find_widget ($x, $y)
and return $res;
}
$self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
}
sub _draw {
my ($self) = @_;
$_->draw for $self->visible_children;
}
#############################################################################
package DC::UI::Bin;
our @ISA = DC::UI::Container::;
sub new {
my ($class, %arg) = @_;
my $child = (delete $arg{child}) || new DC::UI::Empty::;
$class->SUPER::new (children => [$child], %arg)
}
sub add {
my ($self, $child) = @_;
$self->clear;
$self->SUPER::add ($child);
}
sub remove {
my ($self, $widget) = @_;
$self->SUPER::remove ($widget);
$self->{children} = [new DC::UI::Empty]
unless @{$self->{children}};
}
sub child { $_[0]->{children}[0] }
sub size_request {
$_[0]{children}[0]->size_request
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
$self->{children}[0]->configure (0, 0, $w, $h);
1
}
#############################################################################
# back-buffered drawing area
package DC::UI::Window;
our @ISA = DC::UI::Bin::;
use DC::OpenGL;
sub new {
my ($class, %arg) = @_;
my $self = $class->SUPER::new (%arg);
}
sub update {
my ($self) = @_;
$ROOT->on_post_alloc ($self => sub { $self->render_child });
$self->SUPER::update;
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
$self->update;
$self->SUPER::invoke_size_allocate ($w, $h)
}
sub _render {
my ($self) = @_;
$self->{children}[0]->draw;
}
sub render_child {
my ($self) = @_;
$self->{texture} = new_from_opengl DC::Texture $self->{w}, $self->{h}, sub {
glClearColor 0, 0, 0, 0;
glClear GL_COLOR_BUFFER_BIT;
{
package DC::UI::Base;
local ($draw_x, $draw_y, $draw_w, $draw_h) =
(0, 0, $self->{w}, $self->{h});
$self->_render;
}
};
}
sub _draw {
my ($self) = @_;
my $tex = $self->{texture}
or return;
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
glColor 0, 0, 0, 1;
$tex->draw_quad_alpha_premultiplied (0, 0);
glDisable GL_TEXTURE_2D;
}
#############################################################################
package DC::UI::ViewPort;
use List::Util qw(min max);
our @ISA = DC::UI::Window::;
sub new {
my $class = shift;
$class->SUPER::new (
scroll_x => 0,
scroll_y => 1,
@_,
)
}
sub size_request {
my ($self) = @_;
my ($w, $h) = @{$self->child}{qw(req_w req_h)};
$w = 1 if $self->{scroll_x};
$h = 1 if $self->{scroll_y};
($w, $h)
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
my $child = $self->child;
$w = $child->{req_w} if $self->{scroll_x} && $child->{req_w};
$h = $child->{req_h} if $self->{scroll_y} && $child->{req_h};
$self->child->configure (0, 0, $w, $h);
$self->update;
1
}
sub set_offset {
my ($self, $x, $y) = @_;
my $x = max 0, min $self->child->{w} - $self->{w}, int $x;
my $y = max 0, min $self->child->{h} - $self->{h}, int $y;
if ($x != $self->{view_x} or $y != $self->{view_y}) {
$self->{view_x} = $x;
$self->{view_y} = $y;
$self->emit (changed => $x, $y);
$self->update;
}
}
sub set_center {
my ($self, $x, $y) = @_;
$self->set_offset ($x - $self->{w} * .5, $y - $self->{h} * .5);
}
sub make_visible {
my ($self, $x, $y, $border) = @_;
if ( $x < $self->{view_x} + $self->{w} * $border
|| $x > $self->{view_x} + $self->{w} * (1 - $border)
|| $y < $self->{view_y} + $self->{h} * $border
|| $y > $self->{view_y} + $self->{h} * (1 - $border)
) {
$self->set_center ($x, $y);
}
}
# hmm, this does not work for topleft of $self... but we should not ask for that
sub coord2local {
my ($self, $x, $y) = @_;
$self->SUPER::coord2local ($x + $self->{view_x}, $y + $self->{view_y})
}
sub coord2global {
my ($self, $x, $y) = @_;
$x = List::Util::min $self->{w}, $x - $self->{view_x};
$y = List::Util::min $self->{h}, $y - $self->{view_y};
$self->SUPER::coord2global ($x, $y)
}
sub find_widget {
my ($self, $x, $y) = @_;
if ( $x >= $self->{x} && $x < $self->{x} + $self->{w}
&& $y >= $self->{y} && $y < $self->{y} + $self->{h}
) {
$self->child->find_widget ($x + $self->{view_x}, $y + $self->{view_y})
} else {
$self->DC::UI::Base::find_widget ($x, $y)
}
}
sub _render {
my ($self) = @_;
local $DC::UI::Base::draw_x = $DC::UI::Base::draw_x - $self->{view_x};
local $DC::UI::Base::draw_y = $DC::UI::Base::draw_y - $self->{view_y};
DC::OpenGL::glTranslate -$self->{view_x}, -$self->{view_y};
$self->SUPER::_render;
}
#############################################################################
package DC::UI::ScrolledWindow;
our @ISA = DC::UI::Table::;
sub new {
my ($class, %arg) = @_;
my $child = delete $arg{child};
my $self;
my $hslider = new DC::UI::Slider
c_col => 0,
c_row => 1,
vertical => 0,
range => [0, 0, 1, 0.01], # HACK fix
on_changed => sub {
$self->{hpos} = $_[1];
$self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
},
;
my $vslider = new DC::UI::Slider
c_col => 1,
c_row => 0,
vertical => 1,
range => [0, 0, 1, 0.01], # HACK fix
on_changed => sub {
$self->{vpos} = $_[1];
$self->{vp}->set_offset ($self->{hpos}, $self->{vpos});
},
;
$self = $class->SUPER::new (
scroll_x => 0,
scroll_y => 1,
can_events => 1,
hslider => $hslider,
vslider => $vslider,
col_expand => [1, 0],
row_expand => [1, 0],
%arg,
);
$self->{vp} = new DC::UI::ViewPort
c_col => 0,
c_row => 0,
expand => 1,
scroll_x => $self->{scroll_x},
scroll_y => $self->{scroll_y},
on_changed => sub {
my ($vp, $x, $y) = @_;
$vp->{parent}{hslider}->set_value ($x);
$vp->{parent}{vslider}->set_value ($y);
0
},
on_size_allocate => sub {
my ($vp, $w, $h) = @_;
$vp->{parent}->update_slider;
0
},
;
$self->SUPER::add ($self->{vp});
$self->add ($child) if $child;
$self
}
sub add {
my ($self, $widget) = @_;
$self->{vp}->add ($self->{child} = $widget);
}
sub set_offset { shift->{vp}->set_offset (@_) }
sub set_center { shift->{vp}->set_center (@_) }
sub make_visible { shift->{vp}->make_visible (@_) }
sub update_slider {
my ($self) = @_;
my $child = ($self->{vp} or return)->child;
if ($self->{scroll_x}) {
my ($w1, $w2) = ($child->{req_w}, $self->{vp}{w});
$self->{hslider}->set_range ([$self->{hslider}{range}[0], 0, $w1, $w2, 1]);
my $visible = $w1 > $w2;
if ($visible != $self->{hslider_visible}) {
$self->{hslider_visible} = $visible;
$visible ? $self->SUPER::add ($self->{hslider})
: $self->SUPER::remove ($self->{hslider});
}
}
if ($self->{scroll_y}) {
my ($h1, $h2) = ($child->{req_h}, $self->{vp}{h});
$self->{vslider}->set_range ([$self->{vslider}{range}[0], 0, $h1, $h2, 1]);
my $visible = $h1 > $h2;
if ($visible != $self->{vslider_visible}) {
$self->{vslider_visible} = $visible;
$visible ? $self->SUPER::add ($self->{vslider})
: $self->SUPER::remove ($self->{vslider});
}
}
}
sub start_dragging {
my ($self, $ev) = @_;
$self->grab_focus;
my $ox = $self->{vp}{view_x};
my $oy = $self->{vp}{view_y};
$self->{motion} = sub {
my ($ev, $x, $y) = @_;
$ox -= $ev->{xrel};
$oy -= $ev->{yrel};
$self->{vp}->set_offset ($ox, $oy);
};
}
sub invoke_mouse_wheel {
my ($self, $ev) = @_;
$self->{vslider}->emit (mouse_wheel => $ev) if $self->{vslider_visible};
$self->{hslider}->emit (mouse_wheel => $ev) if $self->{hslider_visible};
1
}
sub invoke_button_down {
my ($self, $ev, $x, $y) = @_;
if ($ev->{button} == 2) {
$self->start_dragging ($ev);
return 1;
}
0
}
sub invoke_button_up {
my ($self, $ev, $x, $y) = @_;
if (delete $self->{motion}) {
return 1;
}
0
}
sub invoke_mouse_motion {
my ($self, $ev, $x, $y) = @_;
if ($self->{motion}) {
$self->{motion}->($ev, $x, $y);
return 1;
}
0
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
$self->update_slider;
$self->SUPER::invoke_size_allocate ($w, $h)
}
#############################################################################
package DC::UI::Frame;
our @ISA = DC::UI::Bin::;
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
bg => undef,
@_,
)
}
sub _draw {
my ($self) = @_;
if ($self->{bg}) {
my ($w, $h) = @$self{qw(w h)};
glEnable GL_BLEND;
glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
glColor_premultiply @{ $self->{bg} };
glRect 0, 0, $w, $h;
glDisable GL_BLEND;
}
$self->SUPER::_draw;
}
#############################################################################
package DC::UI::FancyFrame;
our @ISA = DC::UI::Bin::;
use DC::OpenGL;
sub new {
my ($class, %arg) = @_;
if ((exists $arg{label}) && !ref $arg{label}) {
$arg{label} = new DC::UI::Label
align => 1,
valign => 0.5,
text => $arg{label},
fontsize => ($arg{border} || 0.8) * 0.75;
}
my $self = $class->SUPER::new (
# label => "",
fg => undef,
border => 0.8,
style => 'single',
%arg,
);
$self
}
sub add {
my ($self, @widgets) = @_;
$self->SUPER::add (@widgets);
$self->DC::UI::Container::add ($self->{label}) if $self->{label};
}
sub border {
int $_[0]{border} * $::FONTSIZE
}
sub size_request {
my ($self) = @_;
($self->{label_w}, undef) = $self->{label}->size_request
if $self->{label};
my ($w, $h) = $self->SUPER::size_request;
(
$w + $self->border * 2,
$h + $self->border * 2,
)
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
my $border = $self->border;
$w -= List::Util::max 0, $border * 2;
$h -= List::Util::max 0, $border * 2;
if (my $label = $self->{label}) {
$label->{w} = List::Util::max 0, List::Util::min $self->{label_w}, $w - $border * 2;
$label->{h} = List::Util::min $h, $border;
$label->invoke_size_allocate ($label->{w}, $label->{h});
}
$self->child->configure ($border, $border, $w, $h);
1
}
sub _draw {
my ($self) = @_;
my $child = $self->{children}[0];
my $border = $self->border;
my ($w, $h) = ($self->{w}, $self->{h});
$child->draw;
glColor @{$self->{fg} || $DC::THEME{fancyframe}};
glBegin GL_LINE_STRIP;
glVertex $border * 1.5 , $border * 0.5 + 0.5;
glVertex $border * 0.5 + 0.5, $border * 0.5 + 0.5;
glVertex $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
glVertex $w - $border * 0.5 + 0.5, $h - $border * 0.5 + 0.5;
glVertex $w - $border * 0.5 + 0.5, $border * 0.5 + 0.5;
glVertex $self->{label} ? $border * 2 + $self->{label}{w} : $border * 1.5, $border * 0.5 + 0.5;
glEnd;
if ($self->{label}) {
glTranslate $border * 2, 0;
$self->{label}->_draw;
}
}
#############################################################################
package DC::UI::Toplevel;
our @ISA = DC::UI::Bin::;
use DC::OpenGL;
my $bg =
new_from_resource DC::Texture "d1_bg.png",
mipmap => 1, wrap => 1;
my @border =
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw(d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
my @icon =
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw(x1_move.png x1_resize.png);
sub new {
my ($class, %arg) = @_;
my $self = $class->SUPER::new (
bg => [1, 1, 1, 1],
border_bg => [1, 1, 1, 1],
border => 0.8,
can_events => 1,
min_w => 64,
min_h => 32,
%arg,
);
$self->{title_widget} = new DC::UI::Label
align => 0.5,
valign => 1,
text => $self->{title},
fontsize => $self->{border},
if exists $self->{title};
if ($self->{has_close_button}) {
$self->{close_button} =
new DC::UI::ImageButton
path => 'x1_close.png',
on_activate => sub { $self->emit ("delete") };
$self->DC::UI::Container::add ($self->{close_button});
}
$self
}
sub add {
my ($self, @widgets) = @_;
$self->SUPER::add (@widgets);
$self->DC::UI::Container::add ($self->{close_button}) if $self->{close_button};
$self->DC::UI::Container::add ($self->{title_widget}) if $self->{title_widget};
}
sub border {
int $_[0]{border} * $::FONTSIZE
}
sub get_max_wh {
my ($self) = @_;
return ($self->{w}, $self->{h})
if $self->{visible} && $self->{w};
$self->SUPER::get_max_wh
}
sub size_request {
my ($self) = @_;
$self->{title_widget}->size_request
if $self->{title_widget};
$self->{close_button}->size_request
if $self->{close_button};
my ($w, $h) = $self->SUPER::size_request;
(
$w + $self->border * 2,
$h + $self->border * 2,
)
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
if ($self->{title_widget}) {
$self->{title_widget}{w} = $w;
$self->{title_widget}{h} = $h;
$self->{title_widget}->invoke_size_allocate ($w, $h);
}
my $border = $self->border;
$h -= List::Util::max 0, $border * 2;
$w -= List::Util::max 0, $border * 2;
$self->child->configure ($border, $border, $w, $h);
$self->{close_button}->configure ($self->{w} - $border, 0, $border, $border)
if $self->{close_button};
1
}
sub invoke_delete {
my ($self) = @_;
$self->hide;
1
}
sub invoke_button_down {
my ($self, $ev, $x, $y) = @_;
my ($w, $h) = @$self{qw(w h)};
my $border = $self->border;
my $lr = ($x >= 0 && $x < $border) || ($x > $w - $border && $x < $w);
my $td = ($y >= 0 && $y < $border) || ($y > $h - $border && $y < $h);
if ($lr & $td) {
my ($wx, $wy) = ($self->{x}, $self->{y});
my ($ox, $oy) = ($ev->{x}, $ev->{y});
my ($bw, $bh) = ($self->{w}, $self->{h});
my $mx = $x < $border;
my $my = $y < $border;
$self->{motion} = sub {
my ($ev, $x, $y) = @_;
my $dx = $ev->{x} - $ox;
my $dy = $ev->{y} - $oy;
$self->{force_w} = $bw + $dx * ($mx ? -1 : 1);
$self->{force_h} = $bh + $dy * ($my ? -1 : 1);
$self->move_abs ($wx + $dx * $mx, $wy + $dy * $my);
$self->realloc;
};
} elsif ($lr ^ $td) {
my ($ox, $oy) = ($ev->{x}, $ev->{y});
my ($bx, $by) = ($self->{x}, $self->{y});
$self->{motion} = sub {
my ($ev, $x, $y) = @_;
($x, $y) = ($ev->{x}, $ev->{y});
$self->move_abs ($bx + $x - $ox, $by + $y - $oy);
# HACK: the next line is required to enforce placement
$self->{parent}->invoke_size_allocate ($self->{parent}{w}, $self->{parent}{h});
};
} else {
return 0;
}
1
}
sub invoke_button_up {
my ($self, $ev, $x, $y) = @_;
! ! delete $self->{motion}
}
sub invoke_mouse_motion {
my ($self, $ev, $x, $y) = @_;
$self->{motion}->($ev, $x, $y) if $self->{motion};
! ! $self->{motion}
}
sub invoke_visibility_change {
my ($self, $visible) = @_;
delete $self->{motion} unless $visible;
0
}
sub _draw {
my ($self) = @_;
my $child = $self->{children}[0];
my ($w, $h ) = ($self->{w}, $self->{h});
my ($cw, $ch) = ($child->{w}, $child->{h});
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
my $border = $self->border;
if ($border) {
glColor @{ $self->{border_bg} };
$border[0]->draw_quad_alpha ( 0, 0, $w, $border);
$border[1]->draw_quad_alpha ( 0, $border, $border, $ch);
$border[2]->draw_quad_alpha ($w - $border, $border, $border, $ch);
$border[3]->draw_quad_alpha ( 0, $h - $border, $w, $border);
# move
my $w2 = ($w - $border) * .5;
my $h2 = ($h - $border) * .5;
$icon[0]->draw_quad_alpha ( 0, $h2, $border, $border);
$icon[0]->draw_quad_alpha ($w - $border, $h2, $border, $border);
$icon[0]->draw_quad_alpha ($w2 , $h - $border, $border, $border);
# resize
$icon[1]->draw_quad_alpha ( 0, 0, $border, $border);
$icon[1]->draw_quad_alpha ($w - $border, 0, $border, $border)
unless $self->{has_close_button};
$icon[1]->draw_quad_alpha ( 0, $h - $border, $border, $border);
$icon[1]->draw_quad_alpha ($w - $border, $h - $border, $border, $border);
}
if (@{$self->{bg}} < 4 || $self->{bg}[3]) {
glColor @{ $self->{bg} };
# TODO: repeat texture not scale
# solve this better(?)
$bg->{s} = $cw / $bg->{w};
$bg->{t} = $ch / $bg->{h};
$bg->draw_quad_alpha ($border, $border, $cw, $ch);
}
glDisable GL_TEXTURE_2D;
$child->draw;
if ($self->{title_widget}) {
glTranslate 0, $border - $self->{h};
$self->{title_widget}->_draw;
glTranslate 0, - ($border - $self->{h});
}
$self->{close_button}->draw
if $self->{close_button};
}
#############################################################################
package DC::UI::Table;
our @ISA = DC::UI::Container::;
use List::Util qw(max sum);
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
col_expand => [],
row_expand => [],
@_,
)
}
sub add {
my ($self, @widgets) = @_;
for my $child (@widgets) {
$child->{c_rowspan} ||= 1;
$child->{c_colspan} ||= 1;
}
$self->SUPER::add (@widgets);
}
sub add_at {
my $self = shift;
my @widgets;
while (@_) {
my ($col, $row, $child) = splice @_, 0, 3, ();
$child->{c_row} = $row;
$child->{c_col} = $col;
push @widgets, $child;
}
$self->add (@widgets);
}
sub get_wh {
my ($self) = @_;
my (@w, @h);
my @children = $self->children;
# first pass, columns
for my $widget (sort { $a->{c_colspan} <=> $b->{c_colspan} } @children) {
my ($c, $w, $cs) = @$widget{qw(c_col req_w c_colspan)};
my $sw = sum @w[$c .. $c + $cs - 1];
if ($w > $sw) {
$_ += ($w - $sw) / ($_ ? $sw / $_ : $cs) for @w[$c .. $c + $cs - 1];
}
}
# second pass, rows
for my $widget (sort { $a->{c_rowspan} <=> $b->{c_rowspan} } @children) {
my ($r, $h, $rs) = @$widget{qw(c_row req_h c_rowspan)};
my $sh = sum @h[$r .. $r + $rs - 1];
if ($h > $sh) {
$_ += ($h - $sh) / ($_ ? $sh / $_ : $rs) for @h[$r .. $r + $rs - 1];
}
}
(\@w, \@h)
}
sub size_request {
my ($self) = @_;
my ($ws, $hs) = $self->get_wh;
(
(sum @$ws),
(sum @$hs),
)
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
my ($ws, $hs) = $self->get_wh;
my $req_w = (sum @$ws) || 1;
my $req_h = (sum @$hs) || 1;
# now linearly scale the rows/columns to the allocated size
my @col_expand = @{$self->{col_expand}};
@col_expand = (1) x @$ws unless @col_expand;
my $col_expand = (sum @col_expand) || 1;
$ws->[$_] += $col_expand[$_] / $col_expand * ($w - $req_w) for 0 .. $#$ws;
DC::UI::harmonize $ws;
my @row_expand = @{$self->{row_expand}};
@row_expand = (1) x @$ws unless @row_expand;
my $row_expand = (sum @row_expand) || 1;
$hs->[$_] += $row_expand[$_] / $row_expand * ($h - $req_h) for 0 .. $#$hs;
DC::UI::harmonize $hs;
my @x; for (0 .. $#$ws) { $x[$_ + 1] = $x[$_] + $ws->[$_] }
my @y; for (0 .. $#$hs) { $y[$_ + 1] = $y[$_] + $hs->[$_] }
for my $widget ($self->children) {
my ($r, $c, $w, $h, $rs, $cs) = @$widget{qw(c_row c_col req_w req_h c_rowspan c_colspan)};
$widget->configure (
$x[$c], $y[$r],
$x[$c + $cs] - $x[$c], $y[$r + $rs] - $y[$r],
);
}
1
}
#############################################################################
package DC::UI::Fixed;
use List::Util qw(min max);
our @ISA = DC::UI::Container::;
sub _scale($$$) {
my ($rel, $val, $max) = @_;
$rel ? $val * $max : $val
}
sub size_request {
my ($self) = @_;
my ($x1, $y1, $x2, $y2) = (0, 0, 0, 0);
# determine overall size by querying abs widgets
for my $child ($self->visible_children) {
unless ($child->{c_rel}) {
my $x = $child->{c_x};
my $y = $child->{c_y};
$x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
$y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
}
}
my $W = $x2 - $x1;
my $H = $y2 - $y1;
# now layout remaining widgets
for my $child ($self->visible_children) {
if ($child->{c_rel}) {
my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
$x1 = min $x1, $x; $x2 = max $x2, $x + $child->{req_w};
$y1 = min $y1, $y; $y2 = max $y2, $y + $child->{req_h};
}
}
my $W = $x2 - $x1;
my $H = $y2 - $y1;
($W, $H)
}
sub invoke_size_allocate {
my ($self, $W, $H) = @_;
for my $child ($self->visible_children) {
my $x = _scale $child->{c_rel}, $child->{c_x}, $W;
my $y = _scale $child->{c_rel}, $child->{c_y}, $H;
$x += $child->{c_halign} * $child->{req_w};
$y += $child->{c_valign} * $child->{req_h};
$child->configure (int $x, int $y, $child->{req_w}, $child->{req_h});
}
1
}
#############################################################################
package DC::UI::Box;
our @ISA = DC::UI::Container::;
sub size_request {
my ($self) = @_;
my @children = $self->visible_children;
$self->{vertical}
? (
(List::Util::max map $_->{req_w}, @children),
(List::Util::sum map $_->{req_h}, @children),
)
: (
(List::Util::sum map $_->{req_w}, @children),
(List::Util::max map $_->{req_h}, @children),
)
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
my $space = $self->{vertical} ? $h : $w;
my @children = $self->visible_children;
my @req;
if ($self->{homogeneous}) {
@req = ($space / (@children || 1)) x @children;
} else {
@req = map $_->{$self->{vertical} ? "req_h" : "req_w"}, @children;
my $req = List::Util::sum @req;
if ($req > $space) {
# ah well, not enough space
$_ *= $space / $req for @req;
} else {
my $expand = (List::Util::sum map $_->{expand}, @children) || 1;
$space = ($space - $req) / $expand; # remaining space to give away
$req[$_] += $space * $children[$_]{expand}
for 0 .. $#children;
}
}
DC::UI::harmonize \@req;
my $pos = 0;
for (0 .. $#children) {
my $alloc = $req[$_];
$children[$_]->configure ($self->{vertical} ? (0, $pos, $w, $alloc) : ($pos, 0, $alloc, $h));
$pos += $alloc;
}
1
}
#############################################################################
package DC::UI::HBox;
our @ISA = DC::UI::Box::;
sub new {
my $class = shift;
$class->SUPER::new (
vertical => 0,
@_,
)
}
#############################################################################
package DC::UI::VBox;
our @ISA = DC::UI::Box::;
sub new {
my $class = shift;
$class->SUPER::new (
vertical => 1,
@_,
)
}
#############################################################################
package DC::UI::Label;
our @ISA = DC::UI::DrawBG::;
use DC::OpenGL;
sub new {
my ($class, %arg) = @_;
my $self = $class->SUPER::new (
fg => [1, 1, 1],
#bg => none
#active_bg => none
#font => default_font
#text => initial text
#markup => initial narkup
#max_w => maximum pixel width
#style => 0, # render flags
ellipsise => 3, # end
layout => (new DC::Layout),
fontsize => 1,
align => 0.5,
valign => 0.5,
padding_x => 4,
padding_y => 2,
can_events => 0,
%arg
);
if (exists $self->{template}) {
my $layout = new DC::Layout;
$layout->set_text (delete $self->{template});
$self->{template} = $layout;
}
if (exists $self->{markup}) {
$self->set_markup (delete $self->{markup});
} else {
$self->set_text (delete $self->{text});
}
$self
}
sub update {
my ($self) = @_;
delete $self->{texture};
$self->SUPER::update;
}
sub realloc {
my ($self) = @_;
delete $self->{ox};
$self->SUPER::realloc;
}
sub clear {
my ($self) = @_;
$self->set_text ("");
}
sub set_text {
my ($self, $text) = @_;
return if $self->{text} eq "T$text";
$self->{text} = "T$text";
$self->{layout}->set_text ($text);
delete $self->{size_req};
$self->realloc;
$self->update;
}
sub set_markup {
my ($self, $markup) = @_;
return if $self->{text} eq "M$markup";
$self->{text} = "M$markup";
my $rgba = $markup =~ /span.*(?:foreground|background)/;
$self->{layout}->set_markup ($markup);
delete $self->{size_req};
$self->realloc;
$self->update;
}
sub size_request {
my ($self) = @_;
$self->{size_req} ||= do {
my ($max_w, $max_h) = $self->get_max_wh;
$self->{layout}->set_font ($self->{font}) if $self->{font};
$self->{layout}->set_width ($max_w);
$self->{layout}->set_ellipsise ($self->{ellipsise});
$self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
$self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
my ($w, $h) = $self->{layout}->size;
if (exists $self->{template}) {
$self->{template}->set_font ($self->{font}) if $self->{font};
$self->{template}->set_width ($max_w);
$self->{template}->set_height ($self->{fontsize} * $::FONTSIZE);
my ($w2, $h2) = $self->{template}->size;
$w = List::Util::max $w, $w2;
$h = List::Util::max $h, $h2;
}
[$w, $h]
};
@{ $self->{size_req} }
}
sub baseline_shift {
$_[0]{layout}->descent
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
delete $self->{ox};
delete $self->{texture}
unless $w >= $self->{req_w} && $self->{old_w} >= $self->{req_w};
1
}
sub set_fontsize {
my ($self, $fontsize) = @_;
$self->{fontsize} = $fontsize;
delete $self->{size_req};
delete $self->{texture};
$self->realloc;
}
sub reconfigure {
my ($self) = @_;
delete $self->{size_req};
delete $self->{texture};
$self->SUPER::reconfigure;
}
sub _draw {
my ($self) = @_;
$self->SUPER::_draw; # draw background, if applicable
my $size = $self->{texture} ||= do {
$self->{layout}->set_foreground (@{$self->{fg}});
$self->{layout}->set_font ($self->{font}) if $self->{font};
$self->{layout}->set_width ($self->{w});
$self->{layout}->set_ellipsise ($self->{ellipsise});
$self->{layout}->set_single_paragraph_mode ($self->{ellipsise});
$self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
[$self->{layout}->size]
};
unless (exists $self->{ox}) {
$self->{ox} = $self->{padding_x} + int $self->{align} * ($self->{w} - $size->[0] - $self->{padding_x} * 2);
$self->{oy} = $self->{padding_y} + int $self->{valign} * ($self->{h} - $size->[1] - $self->{padding_y} * 2);
$self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
};
# unless ($self->{list}) {
# $self->{list} = DC::OpenGL::glGenList;
# DC::OpenGL::glNewList $self->{list};
# $self->{layout}->render ($self->{ox}, $self->{oy}, $self->{style});
# DC::OpenGL::glEndList;
# }
#
# DC::OpenGL::glCallList $self->{list};
$self->{layout}->draw;
}
#sub destroy {
# my ($self) = @_;
#
# DC::OpenGL::glDeleteList delete $self->{list} if $self->{list};
#
# $self->SUPER::destroy;
#}
#############################################################################
package DC::UI::EntryBase;
our @ISA = DC::UI::Label::;
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
fg => [1, 1, 1],
bg => [0, 0, 0, 0.2],
outline => undef,
active_bg => [0, 0, 1, .2],
active_fg => [1, 1, 1],
active_outline => [1, 1, 0],
can_hover => 1,
can_focus => 1,
align => 0,
valign => 0.5,
can_events => 1,
ellipsise => 0,
padding_x => 4,
padding_y => 2,
#text => ...
#hidden => "*",
@_
)
}
sub _set_text {
my ($self, $text) = @_;
delete $self->{cur_h};
return if $self->{text} eq $text;
$self->{last_activity} = $::NOW;
$self->{text} = $text;
$text =~ s/./*/g if $self->{hidden};
$self->{layout}->set_text ("$text ");
delete $self->{size_req};
$self->emit (changed => $self->{text});
$self->realloc;
$self->update;
}
sub set_text {
my ($self, $text) = @_;
$self->{cursor} = length $text;
$self->_set_text ($text);
}
sub get_text {
$_[0]{text}
}
sub size_request {
my ($self) = @_;
my ($w, $h) = $self->SUPER::size_request;
($w + 1, $h) # add 1 for cursor
}
sub invoke_key_down {
my ($self, $ev) = @_;
my $mod = $ev->{mod};
my $sym = $ev->{sym};
my $uni = $ev->{unicode};
my $text = $self->get_text;
$self->{cursor} = List::Util::max 0, List::Util::min $self->{cursor}, length $text;
if ($sym == DC::SDLK_BACKSPACE) {
substr $text, --$self->{cursor}, 1, "" if $self->{cursor};
} elsif ($sym == DC::SDLK_DELETE) {
substr $text, $self->{cursor}, 1, "";
} elsif ($sym == DC::SDLK_LEFT) {
--$self->{cursor} if $self->{cursor};
} elsif ($sym == DC::SDLK_RIGHT) {
++$self->{cursor} if $self->{cursor} < length $self->{text};
} elsif ($sym == DC::SDLK_HOME) {
# what a hack
$self->{cursor} =
(substr $self->{text}, 0, $self->{cursor}) =~ /^(.*\012)/
? length $1
: 0;
} elsif ($sym == DC::SDLK_END) {
# uh, again
$self->{cursor} =
(substr $self->{text}, $self->{cursor}) =~ /^([^\012]*)\012/
? $self->{cursor} + length $1
: length $self->{text};
} elsif ($uni == 21) { # ctrl-u
$text = "";
$self->{cursor} = 0;
} elsif ($uni == 27) {
$self->emit ('escape');
} elsif ($uni == 0x0d) {
substr $text, $self->{cursor}++, 0, "\012";
} elsif ($uni >= 0x20) {
substr $text, $self->{cursor}++, 0, chr $uni;
} else {
return 0;
}
$self->_set_text ($text);
$self->realloc;
$self->update;
1
}
sub invoke_focus_in {
my ($self) = @_;
$self->{last_activity} = $::NOW;
$self->SUPER::invoke_focus_in
}
sub invoke_button_down {
my ($self, $ev, $x, $y) = @_;
$self->SUPER::invoke_button_down ($ev, $x, $y);
my $idx = $self->{layout}->xy_to_index ($x, $y);
# byte-index to char-index
my $text = $self->{text};
utf8::encode $text; $text = substr $text, 0, $idx; utf8::decode $text;
$self->{cursor} = length $text;
$self->_set_text ($self->{text});
$self->update;
1
}
sub invoke_mouse_motion {
my ($self, $ev, $x, $y) = @_;
# printf "M %d,%d %d,%d\n", $ev->motion_x, $ev->motion_y, $x, $y;#d#
1
}
sub _draw {
my ($self) = @_;
local $self->{fg} = $self->{fg};
if ($FOCUS == $self) {
glColor_premultiply @{$self->{active_bg}};
$self->{fg} = $self->{active_fg};
} else {
glColor_premultiply @{$self->{bg}};
}
glEnable GL_BLEND;
glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
glRect 0, 0, $self->{w}, $self->{h};
glDisable GL_BLEND;
$self->SUPER::_draw;
#TODO: force update every cursor change :(
if ($FOCUS == $self && (($::NOW - $self->{last_activity}) & 1023) < 600) {
unless (exists $self->{cur_h}) {
my $text = substr $self->{text}, 0, $self->{cursor};
utf8::encode $text;
@$self{qw(cur_x cur_y cur_h)} = $self->{layout}->cursor_pos (length $text);
}
glColor_premultiply @{$self->{active_fg}};
glBegin GL_LINES;
glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy};
glVertex $self->{cur_x} + $self->{ox} + .5, $self->{cur_y} + $self->{oy} + $self->{cur_h};
glEnd;
glLineWidth 3;
glColor @{$self->{active_outline}};
glRect_lineloop 1.5, 1.5, $self->{w} - 1.5, $self->{h} - 1.5;
glLineWidth 1;
} else {
glColor @{$self->{outline} || $DC::THEME{entry_outline}};
glBegin GL_LINE_STRIP;
glVertex .5, $self->{h} * .5;
glVertex .5, $self->{h} - 2.5;
glVertex $self->{w} - .5, $self->{h} - 2.5;
glVertex $self->{w} - .5, $self->{h} * .5;
glEnd;
}
}
#############################################################################
package DC::UI::Entry;
our @ISA = DC::UI::EntryBase::;
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
history_pointer => -1,
@_
)
}
sub invoke_key_down {
my ($self, $ev) = @_;
my $sym = $ev->{sym};
if ($ev->{uni} == 0x0d || $sym == 13) {
unshift @{$self->{history}},
my $txt = $self->get_text;
$self->{history_pointer} = -1;
$self->{history_saveback} = '';
$self->emit (activate => $txt);
$self->update;
} elsif ($sym == DC::SDLK_UP) {
if ($self->{history_pointer} < 0) {
$self->{history_saveback} = $self->get_text;
}
if (@{$self->{history} || []} > 0) {
$self->{history_pointer}++;
if ($self->{history_pointer} >= @{$self->{history} || []}) {
$self->{history_pointer} = @{$self->{history} || []} - 1;
}
$self->set_text ($self->{history}->[$self->{history_pointer}]);
}
} elsif ($sym == DC::SDLK_DOWN) {
$self->{history_pointer}--;
$self->{history_pointer} = -1 if $self->{history_pointer} < 0;
if ($self->{history_pointer} >= 0) {
$self->set_text ($self->{history}->[$self->{history_pointer}]);
} else {
if (defined $self->{history_saveback}) {
$self->set_text ($self->{history_saveback});
$self->{history_saveback} = undef;
}
}
} else {
return $self->SUPER::invoke_key_down ($ev)
}
1
}
#############################################################################
package DC::UI::TextEdit;
our @ISA = DC::UI::EntryBase::;
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
padding_y => 4,
@_
)
}
sub move_cursor_ver {
my ($self, $dy) = @_;
my ($line, $x) = $self->{layout}->index_to_line_x ($self->{cursor});
$line += $dy;
if (defined (my $index = $self->{layout}->line_x_to_index ($line, $x))) {
$self->{cursor} = $index;
delete $self->{cur_h};
$self->update;
return;
}
}
sub invoke_key_down {
my ($self, $ev) = @_;
my $sym = $ev->{sym};
if ($sym == DC::SDLK_UP) {
$self->move_cursor_ver (-1);
} elsif ($sym == DC::SDLK_DOWN) {
$self->move_cursor_ver (+1);
} else {
return $self->SUPER::invoke_key_down ($ev)
}
1
}
#############################################################################
package DC::UI::ButtonBin;
our @ISA = DC::UI::Bin::;
use DC::OpenGL;
my @tex =
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw(b1_button_inactive.png b1_button_active.png);
sub new {
my $class = shift;
$class->SUPER::new (
can_hover => 1,
align => 0.5,
valign => 0.5,
can_events => 1,
@_
)
}
sub invoke_button_up {
my ($self, $ev, $x, $y) = @_;
$self->emit ("activate")
if $x >= 0 && $x < $self->{w}
&& $y >= 0 && $y < $self->{h};
1
}
sub _draw {
my ($self) = @_;
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
glColor 0, 0, 0, 1;
my $tex = $tex[$GRAB == $self];
$tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
glDisable GL_TEXTURE_2D;
$self->SUPER::_draw;
}
#############################################################################
package DC::UI::Button;
our @ISA = DC::UI::Label::;
use DC::OpenGL;
my @tex =
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw(b1_button_inactive.png b1_button_active.png);
sub new {
my $class = shift;
$class->SUPER::new (
padding_x => 8,
padding_y => 4,
fg => [1.0, 1.0, 1.0],
active_fg => [0.8, 0.8, 0.8],
can_hover => 1,
align => 0.5,
valign => 0.5,
can_events => 1,
@_
)
}
sub invoke_button_up {
my ($self, $ev, $x, $y) = @_;
$self->emit ("activate")
if $x >= 0 && $x < $self->{w}
&& $y >= 0 && $y < $self->{h};
1
}
sub _draw {
my ($self) = @_;
local $self->{fg} = $GRAB == $self ? $self->{active_fg} : $self->{fg};
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
glColor 0, 0, 0, 1;
my $tex = $tex[$GRAB == $self];
$tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
glDisable GL_TEXTURE_2D;
$self->SUPER::_draw;
}
#############################################################################
package DC::UI::CheckBox;
our @ISA = DC::UI::DrawBG::;
my @tex =
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw(c1_checkbox_bg.png c1_checkbox_active.png);
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
fontsize => 1,
padding_x => 2,
padding_y => 2,
fg => [1, 1, 1],
active_fg => [1, 1, 0],
bg => [0, 0, 0, 0.2],
active_bg => [1, 1, 1, 0.5],
state => 0,
can_hover => 1,
@_
)
}
sub size_request {
my ($self) = @_;
($self->{fontsize} * $::FONTSIZE) x 2
}
sub toggle {
my ($self) = @_;
$self->{state} = !$self->{state};
$self->emit (changed => $self->{state});
$self->update;
}
sub invoke_button_down {
my ($self, $ev, $x, $y) = @_;
if ($x >= $self->{padding_x} && $x < $self->{w} - $self->{padding_x}
&& $y >= $self->{padding_y} && $y < $self->{h} - $self->{padding_y}) {
$self->toggle;
} else {
return 0
}
1
}
sub _draw {
my ($self) = @_;
$self->SUPER::_draw;
glTranslate $self->{padding_x}, $self->{padding_y}, 0;
my ($w, $h) = @$self{qw(w h)};
my $s = List::Util::min $w - $self->{padding_x} * 2, $h - $self->{padding_y} * 2;
glColor @{ $FOCUS == $self ? $self->{active_fg} : $self->{fg} };
my $tex = $self->{state} ? $tex[1] : $tex[0];
glEnable GL_TEXTURE_2D;
$tex->draw_quad_alpha (0, 0, $s, $s);
glDisable GL_TEXTURE_2D;
}
#############################################################################
package DC::UI::Image;
our @ISA = DC::UI::DrawBG::;
use DC::OpenGL;
our %texture_cache;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
can_events => 0,
scale => 1,
@_,
);
$self->{path} || $self->{tex}
or Carp::croak "'path' or 'tex' attributes required";
$self->{tex} ||= $texture_cache{$self->{path}} ||=
new_from_resource DC::Texture $self->{path}, mipmap => 1;
DC::weaken $texture_cache{$self->{path}};
$self->{aspect} ||= $self->{tex}{w} / $self->{tex}{h};
$self
}
sub STORABLE_freeze {
my ($self, $cloning) = @_;
$self->{path}
or die "cannot serialise DC::UI::Image on non-loadable images\n";
$self->{path}
}
sub STORABLE_attach {
my ($self, $cloning, $path) = @_;
$self->new (path => $path)
}
sub set_texture {
my ($self, $tex) = @_;
$self->{tex} = $tex;
$self->update;
}
sub size_request {
my ($self) = @_;
(int $self->{tex}{w} * $self->{scale}, int $self->{tex}{h} * $self->{scale})
}
sub _draw {
my ($self) = @_;
$self->SUPER::_draw;
my $tex = $self->{tex};
my ($w, $h) = ($self->{w}, $self->{h});
if ($self->{rot90}) {
glRotate 90, 0, 0, 1;
glTranslate 0, -$self->{w}, 0;
($w, $h) = ($h, $w);
}
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
$tex->draw_quad_alpha (0, 0, $w, $h);
glDisable GL_TEXTURE_2D;
}
#############################################################################
package DC::UI::ImageButton;
our @ISA = DC::UI::Image::;
use DC::OpenGL;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
padding_x => 4,
padding_y => 4,
fg => [1, 1, 1],
active_fg => [0, 0, 1],
can_hover => 1,
align => 0.5,
valign => 0.5,
can_events => 1,
@_
);
}
sub invoke_button_down {
my ($self, $ev, $x, $y) = @_;
1
}
sub invoke_button_up {
my ($self, $ev, $x, $y) = @_;
$self->emit ("activate")
if $x >= 0 && $x < $self->{w}
&& $y >= 0 && $y < $self->{h};
1
}
#############################################################################
package DC::UI::VGauge;
our @ISA = DC::UI::Base::;
use List::Util qw(min max);
use DC::OpenGL;
my %tex = (
food => [
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw/g1_food_gauge_empty.png g1_food_gauge_full.png/
],
grace => [
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw/g1_grace_gauge_empty.png g1_grace_gauge_full.png g1_grace_gauge_overflow.png/
],
hp => [
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw/g1_hp_gauge_empty.png g1_hp_gauge_full.png/
],
mana => [
map { new_from_resource DC::Texture $_, mipmap => 1 }
qw/g1_mana_gauge_empty.png g1_mana_gauge_full.png g1_mana_gauge_overflow.png/
],
);
# eg. VGauge->new (gauge => 'food'), default gauge: food
sub new {
my $class = shift;
my $self = $class->SUPER::new (
type => 'food',
@_
);
$self->{aspect} = $tex{$self->{type}}[0]{w} / $tex{$self->{type}}[0]{h};
$self
}
sub size_request {
my ($self) = @_;
#my $tex = $tex{$self->{type}}[0];
#@$tex{qw(w h)}
(0, 0)
}
sub set_max {
my ($self, $max) = @_;
return if $self->{max_val} == $max;
$self->{max_val} = $max;
$self->update;
}
sub set_value {
my ($self, $val, $max) = @_;
$self->set_max ($max)
if defined $max;
return if $self->{val} == $val;
$self->{val} = $val;
$self->update;
}
sub _draw {
my ($self) = @_;
my $tex = $tex{$self->{type}};
my ($t1, $t2, $t3) = @$tex;
my ($w, $h) = ($self->{w}, $self->{h});
if ($self->{vertical}) {
glRotate 90, 0, 0, 1;
glTranslate 0, -$self->{w}, 0;
($w, $h) = ($h, $w);
}
my $ycut = $self->{val} / ($self->{max_val} || 1);
my $ycut1 = max 0, min 1, $ycut;
my $ycut2 = max 0, min 1, $ycut - 1;
my $h1 = $self->{h} * (1 - $ycut1);
my $h2 = $self->{h} * (1 - $ycut2);
my $h3 = $self->{h};
$_ = $_ * (284-4)/288 + 4/288 for ($h1, $h2, $h3);
glEnable GL_BLEND;
glBlendFuncSeparate GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA,
GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
glBindTexture GL_TEXTURE_2D, $t1->{name};
glBegin GL_QUADS;
glTexCoord 0 , 0; glVertex 0 , 0;
glTexCoord 0 , $t1->{t} * (1 - $ycut1); glVertex 0 , $h1;
glTexCoord $t1->{s}, $t1->{t} * (1 - $ycut1); glVertex $w, $h1;
glTexCoord $t1->{s}, 0; glVertex $w, 0;
glEnd;
my $ycut1 = List::Util::min 1, $ycut;
glBindTexture GL_TEXTURE_2D, $t2->{name};
glBegin GL_QUADS;
glTexCoord 0 , $t2->{t} * (1 - $ycut1); glVertex 0 , $h1;
glTexCoord 0 , $t2->{t} * (1 - $ycut2); glVertex 0 , $h2;
glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut2); glVertex $w, $h2;
glTexCoord $t2->{s}, $t2->{t} * (1 - $ycut1); glVertex $w, $h1;
glEnd;
if ($t3) {
glBindTexture GL_TEXTURE_2D, $t3->{name};
glBegin GL_QUADS;
glTexCoord 0 , $t3->{t} * (1 - $ycut2); glVertex 0 , $h2;
glTexCoord 0 , $t3->{t}; glVertex 0 , $h3;
glTexCoord $t3->{s}, $t3->{t}; glVertex $w, $h3;
glTexCoord $t3->{s}, $t3->{t} * (1 - $ycut2); glVertex $w, $h2;
glEnd;
}
glDisable GL_BLEND;
glDisable GL_TEXTURE_2D;
}
#############################################################################
package DC::UI::Progress;
our @ISA = DC::UI::Label::;
use DC::OpenGL;
sub new {
my ($class, %arg) = @_;
my $self = $class->SUPER::new (
padding_x => 2,
padding_y => 2,
fg => [1, 1, 1],
bg => [0, 0, 1, 0.2],
bar => [0.7, 0.5, 0.1, 0.8],
outline => [0.4, 0.3, 0],
fontsize => 0.9,
valign => 0.5,
align => 0.5,
can_events => 1,
ellipsise => 1,
label => "%d%%",
%arg,
);
$self->set_value ($arg{value} || -1);
$self
}
sub set_label {
my ($self, $label) = @_;
return if $self->{label} eq $label;
$self->{label} = $label;
$self->DC::UI::Progress::set_value (0 + delete $self->{value});
}
sub set_value {
my ($self, $value) = @_;
if ($self->{value} ne $value) {
$self->{value} = $value;
if ($value < 0) {
$self->set_text ("-");
} else {
$self->set_text (sprintf $self->{label}, $value * 100);
}
$self->update;
}
}
sub _draw {
my ($self) = @_;
glEnable GL_BLEND;
glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
my $px = $self->{padding_x};
my $py = $self->{padding_y};
if ($self->{value} >= 0) {
my $s = int $px + ($self->{w} - $px * 2) * $self->{value};
glColor_premultiply @{$self->{bar}};
glRect $px, $py, $s, $self->{h} - $py;
glColor_premultiply @{$self->{bg}};
glRect $s , $py, $self->{w} - $px, $self->{h} - $py;
}
glColor_premultiply @{$self->{outline}};
$px -= .5;
$py -= .5;
glRect_lineloop $px, $py, $self->{w} - $px, $self->{h} - $py;
glDisable GL_BLEND;
{
local $self->{bg}; # do not draw background
$self->SUPER::_draw;
}
}
#############################################################################
package DC::UI::ExperienceProgress;
our @ISA = DC::UI::Progress::;
sub new {
my ($class, %arg) = @_;
my $tt = exists $arg{tooltip} ? "$arg{tooltip}\n\n" : "";
my $self = $class->SUPER::new (
%arg,
tooltip => sub {
my ($self) = @_;
sprintf "%slevel %d\n%s points\n%s next level\n%s to go, %d%% done",
$tt,
$self->{lvl},
::formsep ($self->{exp}),
::formsep ($self->{nxt}),
::formsep ($self->{nxt} - $self->{exp}),
$self->_percent * 100,
},
);
$::CONN->{on_exp_update}{$self+0} = sub { $self->set_value ($self->{value}) }
if $::CONN;
$self
}
sub DESTROY {
my ($self) = @_;
delete $::CONN->{on_exp_update}{$self+0}
if $::CONN;
$self->SUPER::DESTROY;
}
sub _percent {
my ($self) = @_;
my $table = $::CONN && $::CONN->{exp_table}
or return -1;
my $l0 = $table->[$self->{lvl} - 1];
my $l1 = $table->[$self->{lvl}];
$self->{nxt} = $l1;
($self->{exp} - $l0) / ($l1 - $l0)
}
sub set_value {
my ($self, $lvl, $exp) = @_;
$self->{lvl} = $lvl;
$self->{exp} = $exp;
$self->SUPER::set_value ($self->_percent);
}
#############################################################################
package DC::UI::Gauge;
our @ISA = DC::UI::VBox::;
sub new {
my ($class, %arg) = @_;
my $self = $class->SUPER::new (
tooltip => $arg{type},
can_hover => 1,
can_events => 1,
%arg,
);
$self->add ($self->{value} = new DC::UI::Label valign => 1, align => 0.5, template => "999");
$self->add ($self->{gauge} = new DC::UI::VGauge type => $self->{type}, expand => 1, can_hover => 1);
$self->add ($self->{max} = new DC::UI::Label valign => 0, align => 0.5, template => "999");
$self
}
sub set_fontsize {
my ($self, $fsize) = @_;
$self->{value}->set_fontsize ($fsize);
$self->{max} ->set_fontsize ($fsize);
}
sub set_max {
my ($self, $max) = @_;
$self->{gauge}->set_max ($max);
$self->{max}->set_text ($max);
}
sub set_value {
my ($self, $val, $max) = @_;
$self->set_max ($max)
if defined $max;
$self->{gauge}->set_value ($val, $max);
$self->{value}->set_text ($val);
}
#############################################################################
package DC::UI::Slider;
use common::sense;
use DC::OpenGL;
our @ISA = DC::UI::DrawBG::;
my @tex =
map { new_from_resource DC::Texture $_ }
qw(s1_slider.png s1_slider_bg.png);
sub new {
my $class = shift;
# range [value, low, high, page, unit]
# TODO: 0-width page
# TODO: req_w/h are wrong with vertical
# TODO: calculations are off
my $self = $class->SUPER::new (
fg => [1, 1, 1],
active_fg => [0, 0, 0],
bg => [0, 0, 0, 0.2],
active_bg => [1, 1, 1, 0.5],
range => [0, 0, 100, 10, 0],
min_w => $::WIDTH / 80,
min_h => $::WIDTH / 80,
vertical => 0,
can_hover => 1,
inner_pad => 0.02,
@_
);
$self->set_value ($self->{range}[0]);
$self->update;
$self
}
sub set_range {
my ($self, $range) = @_;
($range, $self->{range}) = ($self->{range}, $range);
if ("@$range" ne "@{$self->{range}}") {
$self->update;
$self->set_value ($self->{range}[0]);
}
}
sub set_value {
my ($self, $value) = @_;
my ($old_value, $lo, $hi, $page, $unit) = @{$self->{range}};
$hi = $lo if $hi < $lo;
$value = $hi - $page if $value > $hi - $page;
$value = $lo if $value < $lo;
$value = $lo + $unit * int +($value - $lo + $unit * 0.5) / $unit
if $unit;
@{$self->{range}} = ($value, $lo, $hi, $page, $unit);
if ($value != $old_value) {
$self->emit (changed => $value);
$self->update;
}
}
sub size_request {
my ($self) = @_;
($self->{req_w}, $self->{req_h})
}
sub invoke_button_down {
my ($self, $ev, $x, $y) = @_;
$self->SUPER::invoke_button_down ($ev, $x, $y);
$self->{click} = [$self->{range}[0], $self->{vertical} ? $y : $x];
$self->invoke_mouse_motion ($ev, $x, $y);
1
}
sub invoke_mouse_motion {
my ($self, $ev, $x, $y) = @_;
if ($GRAB == $self) {
my ($x, $w) = $self->{vertical} ? ($y, $self->{h}) : ($x, $self->{w});
my (undef, $lo, $hi, $page) = @{$self->{range}};
$x = ($x - $self->{click}[1]) / ($w * $self->{scale});
$self->set_value ($self->{click}[0] + $x * ($hi - $page - $lo));
} else {
return 0;
}
1
}
sub invoke_mouse_wheel {
my ($self, $ev) = @_;
my $delta = $self->{vertical} ? $ev->{dy} : $ev->{dx};
my $pagepart = $ev->{mod} & DC::KMOD_SHIFT ? 1 : 0.2;
$self->set_value ($self->{range}[0] + $delta * $self->{range}[3] * $pagepart);
1
}
sub update {
my ($self) = @_;
delete $self->{knob_w};
$self->SUPER::update;
}
sub _draw {
my ($self) = @_;
unless ($self->{knob_w}) {
$self->set_value ($self->{range}[0]);
my ($value, $lo, $hi, $page, $unit) = @{$self->{range}};
my $range = ($hi - $page - $lo) || 1e-10;
my $knob_w = List::Util::min 1, $page / (($hi - $lo) || 1e-10) || 24 / $self->{w};
$self->{offset} = List::Util::max $self->{inner_pad}, $knob_w * 0.5;
$self->{scale} = 1 - 2 * $self->{offset} || 1e-100;
$value = ($value - $lo) / $range;
$value = $value * $self->{scale} + $self->{offset};
$self->{knob_x} = $value - $knob_w * 0.5;
$self->{knob_w} = $knob_w;
}
$self->SUPER::_draw ();
glScale $self->{w}, $self->{h};
if ($self->{vertical}) {
# draw a vertical slider like a rotated horizontal slider
glTranslate 1, 0, 0;
glRotate 90, 0, 0, 1;
}
my $fg = $FOCUS == $self ? $self->{active_fg} : $self->{fg};
my $bg = $FOCUS == $self ? $self->{active_bg} : $self->{bg};
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
# draw background
$tex[1]->draw_quad_alpha (0, 0, 1, 1);
# draw handle
$tex[0]->draw_quad_alpha ($self->{knob_x}, 0, $self->{knob_w}, 1);
glDisable GL_TEXTURE_2D;
}
#############################################################################
package DC::UI::ValSlider;
our @ISA = DC::UI::HBox::;
sub new {
my ($class, %arg) = @_;
my $range = delete $arg{range};
my $self = $class->SUPER::new (
slider => (new DC::UI::Slider expand => 1, range => $range),
entry => (new DC::UI::Label text => "", template => delete $arg{template}),
to_value => sub { shift },
from_value => sub { shift },
%arg,
);
$self->{slider}->connect (changed => sub {
my ($self, $value) = @_;
$self->{parent}{entry}->set_text ($self->{parent}{to_value}->($value));
$self->{parent}->emit (changed => $value);
});
# $self->{entry}->connect (changed => sub {
# my ($self, $value) = @_;
# $self->{parent}{slider}->set_value ($self->{parent}{from_value}->($value));
# $self->{parent}->emit (changed => $value);
# });
$self->add ($self->{slider}, $self->{entry});
$self->{slider}->emit (changed => $self->{slider}{range}[0]);
$self
}
sub set_range { shift->{slider}->set_range (@_) }
sub set_value { shift->{slider}->set_value (@_) }
#############################################################################
package DC::UI::TextScroller;
our @ISA = DC::UI::HBox::;
use DC::OpenGL;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
fontsize => 1,
can_events => 1,
indent => 0,
#font => default_font
@_,
layout => (new DC::Layout),
par => [],
max_par => 0,
height => 0,
children => [
(new DC::UI::Empty expand => 1),
(new DC::UI::Slider vertical => 1),
],
);
$self->{children}[1]->connect (changed => sub { $self->update });
$self
}
sub set_fontsize {
my ($self, $fontsize) = @_;
$self->{fontsize} = $fontsize;
$self->reflow;
}
sub size_request {
my ($self) = @_;
my ($empty, $slider) = $self->visible_children;
local $self->{children} = [$empty, $slider];
$self->SUPER::size_request
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
my ($empty, $slider, @other) = @{ $self->{children} };
$_->configure (@$_{qw(x y req_w req_h)}) for @other;
$self->{layout}->set_font ($self->{font}) if $self->{font};
$self->{layout}->set_height ($self->{fontsize} * $::FONTSIZE);
$self->{layout}->set_width ($empty->{w});
$self->{layout}->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
$self->reflow;
local $self->{children} = [$empty, $slider];
$self->SUPER::invoke_size_allocate ($w, $h)
}
sub invoke_mouse_wheel {
my ($self, $ev) = @_;
return 0 unless $ev->{dy}; # only vertical movements
$self->{children}[1]->emit (mouse_wheel => $ev);
1
}
sub get_layout {
my ($self, $para) = @_;
my $layout = $self->{layout};
$layout->set_font ($self->{font}) if $self->{font};
$layout->set_foreground (@{$para->{fg}});
$layout->set_height ($self->{fontsize} * $::FONTSIZE);
$layout->set_width ($self->{children}[0]{w} - $para->{indent});
$layout->set_indent ($self->{fontsize} * $::FONTSIZE * $self->{indent});
$layout->set_markup ($para->{markup});
$layout->set_shapes (
map
+(0, $_->baseline_shift + $_->{padding_y} - $_->{h}, $_->{w}, $_->{h}),
@{$para->{widget}}
);
$layout
}
sub reflow {
my ($self) = @_;
$self->{need_reflow}++;
$self->update;
}
sub set_offset {
my ($self, $offset) = @_;
# todo: base offset on lines or so, not on pixels
$self->{children}[1]->set_value ($offset);
}
sub current_paragraph {
my ($self) = @_;
$self->{top_paragraph} - 1
}
sub scroll_to {
my ($self, $para) = @_;
$para = List::Util::max 0, List::Util::min $#{$self->{par}}, $para;
$self->{scroll_to} = $para;
$self->update;
}
sub clear {
my ($self) = @_;
my (undef, undef, @other) = @{ $self->{children} };
$self->remove ($_) for @other;
$self->{par} = [];
$self->{height} = 0;
$self->{children}[1]->set_range ([0, 0, 0, 1, 1]);
}
sub add_paragraph {
my $self = shift;
for my $para (@_) {
$para = {
fg => [1, 1, 1, 1],
indent => 0,
markup => "",
widget => [],
ref $para ? %$para : (markup => $para),
w => 1e10,
wrapped => 1,
};
$self->add (@{ $para->{widget} }) if @{ $para->{widget} };
push @{$self->{par}}, $para;
}
if (my $max = $self->{max_par}) {
shift @{$self->{par}} while @{$self->{par}} > $max;
}
$self->{need_reflow}++;
$self->update;
}
sub scroll_to_bottom {
my ($self) = @_;
$self->{scroll_to} = $#{$self->{par}};
$self->update;
}
sub force_uptodate {
my ($self) = @_;
if (delete $self->{need_reflow}) {
my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
my $height = 0;
for my $para (@{$self->{par}}) {
if ($para->{w} != $W && ($para->{wrapped} || $para->{w} > $W)) {
my $layout = $self->get_layout ($para);
my ($w, $h) = $layout->size;
$para->{w} = $w + $para->{indent};
$para->{h} = $h;
$para->{wrapped} = $layout->has_wrapped;
}
$para->{y} = $height;
$height += $para->{h};
}
$self->{height} = $height;
$self->{children}[1]->set_range ([$self->{children}[1]{range}[0], 0, $height, $H, 1]);
delete $self->{texture};
}
if (my $paridx = delete $self->{scroll_to}) {
$self->{children}[1]->set_value ($self->{par}[$paridx]{y});
}
}
sub update {
my ($self) = @_;
$self->SUPER::update;
return unless $self->{h} > 0;
delete $self->{texture};
$ROOT->on_post_alloc ($self => sub {
$self->force_uptodate;
my ($W, $H) = @{$self->{children}[0]}{qw(w h)};
$self->{texture} ||= new_from_opengl DC::Texture $W, $H, sub {
glClearColor 0, 0, 0, 0;
glClear GL_COLOR_BUFFER_BIT;
package DC::UI::Base;
local ($draw_x, $draw_y, $draw_w, $draw_h) =
(0, 0, $self->{w}, $self->{h});
my $top = int $self->{children}[1]{range}[0];
my $paridx = 0;
my $top_paragraph;
my $top = int $self->{children}[1]{range}[0];
my $y0 = $top;
my $y1 = $top + $H;
for my $para (@{$self->{par}}) {
my $h = $para->{h};
my $y = $para->{y};
if ($y0 < $y + $h && $y < $y1) {
my $layout = $self->get_layout ($para);
$layout->render ($para->{indent}, $y - $y0);
$layout->draw;
if (my @w = @{ $para->{widget} }) {
my @s = $layout->get_shapes;
for (@w) {
my ($dx, $dy) = splice @s, 0, 2, ();
$_->{x} = $dx + $para->{indent};
$_->{y} = $dy + $y - $y0;
$_->draw;
}
}
}
$paridx++;
$top_paragraph ||= $paridx if $y >= $top;
}
$self->{top_paragraph} = $top_paragraph;
};
});
}
sub reconfigure {
my ($self) = @_;
$self->SUPER::reconfigure;
$_->{w} = 1e10 for @{ $self->{par} };
$self->reflow;
}
sub _draw {
my ($self) = @_;
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
glColor 0, 0, 0, 1;
$self->{texture}->draw_quad_alpha_premultiplied (0, 0, $self->{children}[0]{w}, $self->{children}[0]{h});
glDisable GL_TEXTURE_2D;
$self->{children}[1]->draw;
}
#############################################################################
package DC::UI::Animator;
use DC::OpenGL;
our @ISA = DC::UI::Bin::;
sub moveto {
my ($self, $x, $y) = @_;
$self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
$self->{speed} = 0.001;
$self->{time} = 1;
::animation_start $self;
}
sub animate {
my ($self, $interval) = @_;
$self->{time} -= $interval * $self->{speed};
if ($self->{time} <= 0) {
$self->{time} = 0;
::animation_stop $self;
}
my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
$self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
$self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
}
sub _draw {
my ($self) = @_;
glPushMatrix;
glRotate $self->{time} * 1000, 0, 1, 0;
$self->{children}[0]->draw;
glPopMatrix;
}
#############################################################################
package DC::UI::Flopper;
our @ISA = DC::UI::Button::;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
state => 0,
on_activate => \&toggle_flopper,
@_
);
$self
}
sub toggle_flopper {
my ($self) = @_;
$self->{other}->toggle_visibility;
}
#############################################################################
package DC::UI::Tooltip;
our @ISA = DC::UI::Bin::;
use DC::OpenGL;
sub new {
my $class = shift;
$class->SUPER::new (
@_,
can_events => 0,
)
}
sub set_tooltip_from {
my ($self, $widget) = @_;
my $tip = $widget->{tooltip};
$tip = $tip->($widget) if "CODE" eq ref $tip;
$tip = DC::Pod::section_label tooltip => $1
if $tip =~ /^#(.*)$/;
if ($ENV{CFPLUS_DEBUG} & 2) {
$tip .= "\n\n" . (ref $widget) . "\n"
. "$widget->{x} $widget->{y} $widget->{w} $widget->{h}\n"
. "req $widget->{req_w} $widget->{req_h}\n"
. "visible $widget->{visible}";
}
$tip =~ s/^\n+//;
$tip =~ s/\n+$//;
$self->add (new DC::UI::Label
fg => $DC::THEME{tooltip_fg},
markup => $tip,
max_w => ($widget->{tooltip_width} || 0.25) * $::WIDTH,
align => 0,
fontsize => 0.8,
style => $DC::THEME{tooltip_style}, # FLAG_INVERSE
ellipsise => 0,
font => ($widget->{tooltip_font} || $::FONT_PROP),
);
}
sub size_request {
my ($self) = @_;
my ($w, $h) = @{$self->child}{qw(req_w req_h)};
($w + 4, $h + 4)
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
$self->SUPER::invoke_size_allocate ($w - 4, $h - 4)
}
sub invoke_visibility_change {
my ($self, $visible) = @_;
return unless $visible;
$self->{root}->on_post_alloc ("move_$self" => sub {
my $widget = $self->{owner}
or return;
if ($widget->{visible}) {
my ($x, $y) = $widget->coord2global ($widget->{w}, 0);
($x, $y) = $widget->coord2global (-$self->{w}, 0)
if $x + $self->{w} > $self->{root}{w};
$self->move_abs ($x, $y);
} else {
$self->hide;
}
});
}
sub _draw {
my ($self) = @_;
my ($w, $h) = @$self{qw(w h)};
glColor @{ $DC::THEME{tooltip_bg} };
glRect 0, 0, $w, $h;
glColor @{ $DC::THEME{tooltip_border} };
glRect_lineloop .5, .5, $w + .5, $h + .5;
glTranslate 2, 2;
$self->SUPER::_draw;
}
#############################################################################
package DC::UI::Face;
our @ISA = DC::UI::DrawBG::;
use DC::OpenGL;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
size_w => 32,
size_h => 8,
aspect => 1,
can_events => 0,
@_,
);
$self->update_anim;
$self
}
sub update_timer {
my ($self) = @_;
return unless $self->{timer};
if ($self->{visible}) {
$self->{timer}->start;
} else {
$self->{timer}->stop;
}
}
sub update_face {
my ($self) = @_;
if ($::CONN) {
if (my $anim = $::CONN->{anim}[$self->{anim}]) {
if ($anim && @$anim) {
$self->{face} = $anim->[ $self->{frame} % @$anim ];
delete $self->{face_change_cb};
if (my $tex = $self->{tex} = $::CONN->{texture}[ $::CONN->{face}[$self->{face}]{id} ]) {
unless ($tex->{name} || $tex->{loading}) {
$tex->upload (sub { $self->reconfigure });
}
}
}
}
}
}
sub update_anim {
my ($self) = @_;
if ($self->{anim} && $self->{animspeed}) {
DC::weaken (my $widget = $self);
$self->{animspeed} = List::Util::max 0.05, $self->{animspeed};
$self->{timer} = EV::periodic_ns 0, $self->{animspeed}, undef, sub {
return unless $::CONN;
my $w = $widget
or return;
++$w->{frame};
$w->update_face;
# somehow, $widget can go away
$w->update;
$w->update_timer;
};
$self->update_face;
$self->update_timer;
} else {
delete $self->{timer};
}
}
sub size_request {
my ($self) = @_;
if ($::CONN) {
if (my $faceid = $::CONN->{face}[$self->{face}]{id}) {
if (my $tex = $self->{tex} = $::CONN->{texture}[$faceid]) {
if ($tex->{name}) {
return ($self->{size_w} || $tex->{w}, $self->{size_h} || $tex->{h});
} elsif (!$tex->{loading}) {
$tex->upload (sub { $self->reconfigure });
}
}
$self->{face_change_cb} ||= $::CONN->on_face_change ($self->{face}, sub { $self->reconfigure });
}
}
($self->{size_w} || 8, $self->{size_h} || 8)
}
sub update {
my ($self) = @_;
return unless $self->{visible};
$self->SUPER::update;
}
sub set_face {
my ($self, $face) = @_;
$self->{face} = $face;
$self->reconfigure;
}
sub set_anim {
my ($self, $anim) = @_;
$self->{anim} = $anim;
$self->update_anim;
}
sub set_animspeed {
my ($self, $animspeed) = @_;
$self->{animspeed} = $animspeed;
$self->update_anim;
}
sub invoke_visibility_change {
my ($self) = @_;
$self->update_timer;
0
}
sub _draw {
my ($self) = @_;
$self->SUPER::_draw;
if (my $tex = $self->{tex}) {
glEnable GL_TEXTURE_2D;
glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
glColor 0, 0, 0, 1;
$tex->draw_quad_alpha (0, 0, $self->{w}, $self->{h});
glDisable GL_TEXTURE_2D;
}
}
sub destroy {
my ($self) = @_;
(delete $self->{timer})->cancel
if $self->{timer};
$self->SUPER::destroy;
}
#############################################################################
package DC::UI::Buttonbar;
our @ISA = DC::UI::HBox::;
# TODO: should actually wrap buttons and other goodies.
#############################################################################
package DC::UI::Menu;
our @ISA = DC::UI::Toplevel::;
use DC::OpenGL;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
items => [],
z => 100,
@_,
);
$self->add ($self->{vbox} = new DC::UI::VBox);
for my $item (@{ $self->{items} }) {
my ($widget, $cb, $tooltip) = @$item;
# handle various types of items, only text for now
if (!ref $widget) {
if ($widget =~ /\t/) {
my ($left, $right) = split /\t/, $widget, 2;
$widget = new DC::UI::HBox
can_hover => 1,
can_events => 1,
tooltip => $tooltip,
children => [
(new DC::UI::Label markup => $left , align => 0, expand => 1),
(new DC::UI::Label markup => $right, align => 1),
],
;
} else {
$widget = new DC::UI::Label
can_hover => 1,
can_events => 1,
align => 0,
markup => $widget,
tooltip => $tooltip;
}
}
$self->{item}{$widget} = $item;
$self->{vbox}->add ($widget);
}
$self
}
# popup given the event (must be a mouse button down event currently)
sub popup {
my ($self, $ev) = @_;
$self->emit ("popdown");
# maybe save $GRAB? must be careful about events...
$GRAB = $self;
$self->{button} = $ev->{button};
$self->show;
my $x = $ev->{x};
my $y = $ev->{y};
$self->{root}->on_post_alloc ($self => sub {
$self->move_abs ($x - $self->{w} * 0.25, $y - $self->{border} * $::FONTSIZE * .5);
});
1 # so it can be used inside event handlers
}
sub invoke_mouse_motion {
my ($self, $ev, $x, $y) = @_;
# TODO: should use vbox->find_widget or so
$HOVER = $ROOT->find_widget ($ev->{x}, $ev->{y});
$self->{hover} = $self->{item}{$HOVER};
0
}
sub invoke_button_up {
my ($self, $ev, $x, $y) = @_;
if ($ev->{button} == $self->{button}) {
undef $GRAB;
$self->hide;
$self->emit ("popdown");
$self->{hover}[1]->() if $self->{hover};
} else {
return 0
}
1
}
#############################################################################
package DC::UI::Multiplexer;
our @ISA = DC::UI::Container::;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
@_,
);
$self->set_current_page (0);
$self
}
sub add {
my ($self, @widgets) = @_;
$self->SUPER::add (@widgets);
$self->set_current_page (0)
if @widgets == @{ $self->{children} };
}
sub get_current_page {
my ($self) = @_;
$self->{current}
}
sub set_current_page {
my ($self, $page_or_widget) = @_;
my $widget = ref $page_or_widget
? $page_or_widget
: $self->{children}[$page_or_widget];
$self->{current}->set_invisible if $self->{current} && $self->{visible};
if (($self->{current} = $widget)) {
$self->{current}->set_visible if $self->{current} && $self->{visible};
$self->{current}->configure (0, 0, $self->{w}, $self->{h});
$self->emit (page_changed => $self->{current});
}
$self->realloc;
}
sub visible_children {
$_[0]{current} || ()
}
sub size_request {
my ($self) = @_;
$self->{current}
? $self->{current}->size_request
: (0, 0)
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
$self->{current}->configure (0, 0, $w, $h)
if $self->{current};
1
}
sub _draw {
my ($self) = @_;
$self->{current}->draw
if $self->{current};
}
#############################################################################
package DC::UI::Notebook;
use DC::OpenGL;
our @ISA = DC::UI::VBox::;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
buttonbar => (new DC::UI::Buttonbar),
multiplexer => (new DC::UI::Multiplexer expand => 1),
active_outline => [.7, .7, 0.2],
# filter => # will be put between multiplexer and $self
@_,
);
$self->{filter}->add ($self->{multiplexer}) if $self->{filter};
$self->SUPER::add ($self->{buttonbar}, $self->{filter} || $self->{multiplexer});
{
Scalar::Util::weaken (my $wself = $self);
$self->{multiplexer}->connect (c_add => sub {
my ($mplex, $widgets) = @_;
for my $child (@$widgets) {
Scalar::Util::weaken $child;
$child->{c_tab_} ||= do {
my $tab =
(UNIVERSAL::isa $child->{c_tab}, "DC::UI::Base")
? $child->{c_tab}
: new DC::UI::Button markup => $child->{c_tab}[0], tooltip => $child->{c_tab}[1];
$tab->connect (activate => sub {
$wself->set_current_page ($child);
});
$tab
};
$self->{buttonbar}->add ($child->{c_tab_});
}
});
$self->{multiplexer}->connect (c_remove => sub {
my ($mplex, $widgets) = @_;
for my $child (@$widgets) {
$wself->{buttonbar}->remove ($child->{c_tab_});
}
});
}
$self
}
sub add {
my ($self, @widgets) = @_;
$self->{multiplexer}->add (@widgets)
}
sub remove {
my ($self, @widgets) = @_;
$self->{multiplexer}->remove (@widgets)
}
sub pages {
my ($self) = @_;
$self->{multiplexer}->children
}
sub page_index {
my ($self, $widget) = @_;
my $i = 0;
for ($self->pages) {
if ($_ eq $widget) { return $i };
$i++;
}
undef
}
sub add_tab {
my ($self, $title, $widget, $tooltip) = @_;
$title = [$title, $tooltip] unless ref $title;
$widget->{c_tab} = $title;
$self->add ($widget);
}
sub get_current_page {
my ($self) = @_;
$self->{multiplexer}->get_current_page
}
sub set_current_page {
my ($self, $page) = @_;
$self->{multiplexer}->set_current_page ($page);
$self->emit (page_changed => $self->{multiplexer}{current});
}
sub _draw {
my ($self) = @_;
$self->SUPER::_draw ();
if (my $cur = $self->{multiplexer}{current}) {
if ($cur = $cur->{c_tab_}) {
glTranslate $self->{buttonbar}{x} + $cur->{x},
$self->{buttonbar}{y} + $cur->{y};
glLineWidth 3;
#glEnable GL_BLEND;
#glBlendFunc GL_ONE, GL_ONE_MINUS_SRC_ALPHA;
glColor @{$self->{active_outline}};
glRect_lineloop 1.5, 1.5, $cur->{w} - 1.5, $cur->{h} - 1.5;
glLineWidth 1;
#glDisable GL_BLEND;
}
}
}
#############################################################################
package DC::UI::Selector;
use utf8;
our @ISA = DC::UI::Button::;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
options => [], # [value, title, longdesc], ...
value => undef,
@_,
);
$self->_set_value ($self->{value});
$self
}
sub invoke_button_down {
my ($self, $ev) = @_;
my @menu_items;
for (@{ $self->{options} }) {
my ($value, $title, $tooltip) = @$_;
push @menu_items, [$tooltip || $title, sub { $self->set_value ($value) }];
}
DC::UI::Menu->new (items => \@menu_items)->popup ($ev);
}
sub _set_value {
my ($self, $value) = @_;
my ($item) = grep $_->[0] eq $value, @{ $self->{options} };
$item ||= $self->{options}[0]
or return;
$self->{value} = $item->[0];
$self->set_markup ("$item->[1] ⇓");
# $self->set_tooltip ($item->[2]);
}
sub set_value {
my ($self, $value) = @_;
return unless $self->{value} ne $value;
$self->_set_value ($value);
$self->emit (changed => $value);
}
sub set_options {
my ($self, $options) = @_;
$self->{options} = $options;
$self->_set_value ($self->{value});
}
#############################################################################
package DC::UI::Statusbox;
our @ISA = DC::UI::VBox::;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
fontsize => 0.8,
@_,
);
DC::weaken (my $this = $self);
$self->{timer} = EV::timer 1, 1, sub { $this->reorder };
$self
}
sub reorder {
my ($self) = @_;
my $NOW = EV::time;
# freeze display when hovering over any label
return if $DC::UI::TOOLTIP->{owner}
&& grep $DC::UI::TOOLTIP->{owner} == $_->{label},
values %{ $self->{item} };
while (my ($k, $v) = each %{ $self->{item} }) {
delete $self->{item}{$k} if $v->{timeout} < $NOW;
}
$self->{timer}->set (1, 1);
my @widgets;
my @items = sort {
$a->{pri} <=> $b->{pri}
or $b->{id} <=> $a->{id}
} values %{ $self->{item} };
my $count = 10 + 1;
for my $item (@items) {
last unless --$count;
my $label = $item->{label} ||= do {
# TODO: doesn't handle markup well (read as: at all)
my $short = $item->{count} > 1
? "<b>$item->{count} ×</b> $item->{text}"
: $item->{text};
for ($short) {
s/^\s+//;
s/\s+/ /g;
}
new DC::UI::Label
markup => $short,
tooltip => $item->{tooltip},
tooltip_font => $::FONT_PROP,
tooltip_width => 0.67,
fontsize => $item->{fontsize} || $self->{fontsize},
max_w => $::WIDTH * 0.44,
align => 0,
fg => [@{ $item->{fg} }],
can_events => 1,
can_hover => 1
};
if ((my $diff = $item->{timeout} - $NOW) < 2) {
$label->{fg}[3] = ($item->{fg}[3] || 1) * $diff / 2;
$label->update;
$label->set_max_size (undef, $label->{req_h} * $diff)
if $diff < 1;
$self->{timer}->set (1/30, 1/30);
} else {
$label->{fg}[3] = $item->{fg}[3] || 1;
}
push @widgets, $label;
}
my $hash = join ",", @widgets;
return if $hash eq $self->{last_widget_hash};
$self->{last_widget_hash} = $hash;
$self->clear;
$self->SUPER::add (reverse @widgets);
}
sub add {
my ($self, $text, %arg) = @_;
$text =~ s/^\s+//;
$text =~ s/\s+$//;
return unless $text;
my $timeout = (int time) + ((delete $arg{timeout}) || 60);
my $group = exists $arg{group} ? $arg{group} : ++$self->{id};
if (my $item = $self->{item}{$group}) {
if ($item->{text} eq $text) {
$item->{count}++;
} else {
$item->{count} = 1;
$item->{text} = $item->{tooltip} = $text;
}
$item->{id} += 0.2;#d#
$item->{timeout} = $timeout;
delete $item->{label};
} else {
$self->{item}{$group} = {
id => ++$self->{id},
text => $text,
timeout => $timeout,
tooltip => $text,
fg => [0.8, 0.8, 0.8, 0.8],
pri => 0,
count => 1,
%arg,
};
}
$ROOT->on_refresh (reorder => sub {
$self->reorder;
});
}
sub reconfigure {
my ($self) = @_;
delete $_->{label}
for values %{ $self->{item} || {} };
$self->reorder;
$self->SUPER::reconfigure;
}
sub destroy {
my ($self) = @_;
$self->{timer}->cancel;
$self->SUPER::destroy;
}
#############################################################################
package DC::UI::Root;
our @ISA = DC::UI::Container::;
use List::Util qw(min max);
use DC::OpenGL;
sub new {
my $class = shift;
my $self = $class->SUPER::new (
visible => 1,
@_,
);
DC::weaken ($self->{root} = $self);
$self
}
sub size_request {
my ($self) = @_;
($self->{w}, $self->{h})
}
sub _to_pixel {
my ($coord, $size, $max) = @_;
$coord =
$coord eq "center" ? ($max - $size) * 0.5
: $coord eq "max" ? $max
: $coord;
$coord = 0 if $coord < 0;
$coord = $max - $size if $coord > $max - $size;
int $coord + 0.5
}
sub invoke_size_allocate {
my ($self, $w, $h) = @_;
for my $child ($self->children) {
my ($X, $Y, $W, $H) = @$child{qw(x y req_w req_h)};
$X = $child->{force_x} if exists $child->{force_x};
$Y = $child->{force_y} if exists $child->{force_y};
$X = _to_pixel $X, $W, $self->{w};
$Y = _to_pixel $Y, $H, $self->{h};
$child->configure ($X, $Y, $W, $H);
}
1
}
sub coord2local {
my ($self, $x, $y) = @_;
($x, $y)
}
sub coord2global {
my ($self, $x, $y) = @_;
($x, $y)
}
sub update {
my ($self) = @_;
$::WANT_REFRESH = 1;
}
sub add {
my ($self, @children) = @_;
$_->{is_toplevel} = 1
for @children;
$self->SUPER::add (@children);
}
sub remove {
my ($self, @children) = @_;
$self->SUPER::remove (@children);
delete $self->{is_toplevel}
for @children;
while (@children) {
my $w = pop @children;
push @children, $w->children;
$w->set_invisible;
}
}
sub on_refresh {
my ($self, $id, $cb) = @_;
$self->{refresh_hook}{$id} = $cb;
}
sub on_post_alloc {
my ($self, $id, $cb) = @_;
$self->{post_alloc_hook}{$id} = $cb;
}
sub draw {
my ($self) = @_;
while ($self->{refresh_hook}) {
$_->()
for values %{delete $self->{refresh_hook}};
}
while ($self->{realloc}) {
my %queue;
my @queue;
my $widget;
outer:
while () {
if (my $realloc = delete $self->{realloc}) {
for $widget (values %$realloc) {
$widget->{visible} or next; # do not resize invisible widgets
$queue{$widget+0}++ and next; # duplicates are common
push @{ $queue[$widget->{visible}] }, $widget;
}
}
while () {
@queue or last outer;
$widget = pop @{ $queue[-1] || [] }
and last;
pop @queue;
}
delete $queue{$widget+0};
my ($w, $h) = $widget->size_request;
$w += $widget->{padding_x} * 2;
$h += $widget->{padding_y} * 2;
$w = max $widget->{min_w}, $w;
$h = max $widget->{min_h}, $h;
$w = min $widget->{max_w}, $w if exists $widget->{max_w};
$h = min $widget->{max_h}, $h if exists $widget->{max_h};
$w = $widget->{force_w} if exists $widget->{force_w};
$h = $widget->{force_h} if exists $widget->{force_h};
if ($widget->{req_w} != $w || $widget->{req_h} != $h
|| delete $widget->{force_realloc}) {
$widget->{req_w} = $w;
$widget->{req_h} = $h;
$self->{size_alloc}{$widget+0} = $widget;
if (my $parent = $widget->{parent}) {
$self->{realloc}{$parent+0} = $parent
unless $queue{$parent+0};
$parent->{force_size_alloc} = 1;
$self->{size_alloc}{$parent+0} = $parent;
}
}
delete $self->{realloc}{$widget+0};
}
while (my $size_alloc = delete $self->{size_alloc}) {
my @queue = sort { $a->{visible} <=> $b->{visible} }
values %$size_alloc;
while () {
my $widget = pop @queue || last;
my ($w, $h) = @$widget{qw(alloc_w alloc_h)};
$w = max $widget->{min_w}, $w;
$h = max $widget->{min_h}, $h;
# $w = min $self->{w} - $widget->{x}, $w if $self->{w};
# $h = min $self->{h} - $widget->{y}, $h if $self->{h};
$w = min $widget->{max_w}, $w if exists $widget->{max_w};
$h = min $widget->{max_h}, $h if exists $widget->{max_h};
$w = int $w + 0.5;
$h = int $h + 0.5;
if ($widget->{w} != $w || $widget->{h} != $h || delete $widget->{force_size_alloc}) {
$widget->{old_w} = $widget->{w};
$widget->{old_h} = $widget->{h};
$widget->{w} = $w;
$widget->{h} = $h;
$widget->emit (size_allocate => $w, $h);
}
}
}
}
while ($self->{post_alloc_hook}) {
$_->()
for values %{delete $self->{post_alloc_hook}};
}
glViewport 0, 0, $::WIDTH, $::HEIGHT;
glClearColor +($::CFG->{fow_intensity}) x 3, 1;
glClear GL_COLOR_BUFFER_BIT;
glMatrixMode GL_PROJECTION;
glLoadIdentity;
glOrtho 0, $::WIDTH, $::HEIGHT, 0, -10000, 10000;
glMatrixMode GL_MODELVIEW;
glLoadIdentity;
{
package DC::UI::Base;
local ($draw_x, $draw_y, $draw_w, $draw_h) =
(0, 0, $self->{w}, $self->{h});
$self->_draw;
}
}
#############################################################################
package DC::UI;
$ROOT = new DC::UI::Root;
$TOOLTIP = new DC::UI::Tooltip z => 900;
1