--- deliantra/Deliantra-Client/DC/UI.pm	2006/05/25 21:48:22	1.238
+++ deliantra/Deliantra-Client/DC/UI.pm	2006/05/28 02:31:03	1.250
@@ -7,15 +7,35 @@
 use List::Util ();
 
 use CFClient;
+use CFClient::Texture;
 
 our ($FOCUS, $HOVER, $GRAB); # various widgets
 
+our $LAYOUT;
 our $ROOT;
 our $TOOLTIP;
 our $BUTTON_STATE;
 
 our %WIDGET; # all widgets, weak-referenced
 
+sub get_layout {
+   for (grep { $_->{name} } values %WIDGET) {
+      $LAYOUT->{$_->{name}} = {
+         x => $_->{x} / $::WIDTH,
+         y => $_->{y} / $::HEIGHT,
+         w => $_->{w} / $::WIDTH,
+         h => $_->{h} / $::HEIGHT
+      };
+   }
+
+   return $LAYOUT;
+}
+
+sub set_layout {
+   my ($layout) = @_;
+   $LAYOUT = $layout;
+}
+
 sub check_tooltip {
    if (!$GRAB) {
       for (my $widget = $HOVER; $widget; $widget = $widget->{parent}) {
@@ -157,11 +177,9 @@
          $widget->{x}      = int 0.5 + $widget->{x}      * $sx if exists $widget->{x};
          $widget->{w}      = int 0.5 + $widget->{w}      * $sx if exists $widget->{w};
          $widget->{req_w}  = int 0.5 + $widget->{req_w}  * $sx if exists $widget->{req_w};
-         $widget->{user_w} = int 0.5 + $widget->{user_w} * $sx if exists $widget->{user_w};
          $widget->{y}      = int 0.5 + $widget->{y}      * $sy if exists $widget->{y};
          $widget->{h}      = int 0.5 + $widget->{h}      * $sy if exists $widget->{h};
          $widget->{req_h}  = int 0.5 + $widget->{req_h}  * $sy if exists $widget->{req_h};
-         $widget->{user_h} = int 0.5 + $widget->{user_h} * $sy if exists $widget->{user_h};
       }
    }
 
@@ -188,13 +206,20 @@
    }, $class;
 
    for (keys %$self) {
-      if (/^connect_(.*)$/) {
+      if (/^on_(.*)$/) {
          $self->connect ($1 => delete $self->{$_});
       }
    }
 
    Scalar::Util::weaken ($CFClient::UI::WIDGET{$self+0} = $self);
 
+   if (my $layout = $CFClient::UI::LAYOUT->{$self->{name}}) {
+      $self->{req_x} = $layout->{x} * $::WIDTH;
+      $self->{req_y} = $layout->{y} * $::HEIGHT;
+      $self->{def_w} = ($layout->{w} != 0 ? $layout->{w} : 1) * $::WIDTH;
+      $self->{def_h} = ($layout->{h} != 0 ? $layout->{h} : 1) * $::HEIGHT;
+   }
+
    $self
 }
 
@@ -207,29 +232,43 @@
 
 sub show {
    my ($self) = @_;
+
    return if $self->{parent};
 
    $CFClient::UI::ROOT->add ($self);
 }
 
-sub show_centered {
+sub center {
    my ($self) = @_;
-   return if $self->{parent};
-
-   $self->show;
 
    $CFClient::UI::ROOT->on_post_alloc (
-      "centered $self" => sub {
-         $self->move (($::WIDTH - $self->{w}) * 0.5, ($::HEIGHT - $self->{h}) * 0.5);
+      "center_$self" => sub {
+         $self->move (($self->{parent}{w} - $self->{w}) * 0.5, ($self->{parent}{h} - $self->{h}) * 0.5);
       },
    );
+
+   $self->update;
+}
+
+sub set_visible {
+   my ($self) = @_;
+
+   return if $self->{visible};
+
+   $self->{root}    = $self->{parent}{root};
+   $self->{visible} = $self->{parent}{visible} + 1;
+
+   $self->emit (visibility_change => 1);
 }
 
 sub set_invisible {
    my ($self) = @_;
 
+   return unless $self->{visible};
+
    # broken show/hide model
 
+   delete $self->{root};
    delete $self->{visible};
 
    undef $GRAB  if $GRAB  == $self;
@@ -239,6 +278,25 @@
       if $CFClient::UI::TOOLTIP->{owner} == $self;
 
    $self->focus_out;
+
+   $self->emit (visibility_change => 0);
+}
+
+sub set_visibility {
+   my ($self, $visible) = @_;
+
+   return if $self->{visible} == $visible;
+
+   $visible ? $self->hide
+            : $self->show;
+}
+
+sub toggle_visibility {
+   my ($self) = @_;
+
+   $self->{visible}
+      ? $self->hide
+      : $self->show;
 }
 
 sub hide {
@@ -263,8 +321,8 @@
 sub set_size {
    my ($self, $w, $h) = @_;
 
-   $self->{user_w} = $w;
-   $self->{user_h} = $h;
+   $self->{def_w} = $w;
+   $self->{def_h} = $h;
 
    $self->check_size;
 }
@@ -296,7 +354,7 @@
    }
 
    if ($self->{w} != $w || $self->{h} != $h) {
-      $CFClient::UI::ROOT->{size_alloc}{$self} = [$self, $w, $h];
+      $CFClient::UI::ROOT->{size_alloc}{$self+0} = [$self, $w, $h];
    }
 }
 
@@ -460,14 +518,9 @@
 
    Scalar::Util::weaken ($self->{parent} = $parent);
 
-   $self->{root}    = $parent->{root};
-   $self->{visible} = $parent->{visible};
+   $self->set_visible; #TODO why breakssssss borked damn if $parent->{visible};
 
-   # TODO: req_w _does_change after ->reconfigure
-   $self->check_size
-      unless exists $self->{req_w};
-
-   $self->show;
+   $self->check_size;
 }
 
 sub check_size {
@@ -503,6 +556,10 @@
       || $self->$signal (@args);
 }
 
+sub visibility_change {
+   #my ($self, $visible) = @_;
+}
+
 sub DESTROY {
    my ($self) = @_;
 
@@ -786,9 +843,12 @@
 sub size_request {
    my ($self) = @_;
 
-   @$self{qw(child_w child_h)} = @{$self->child}{qw(req_w req_h)};
+   my ($w, $h) = @$self{qw(child_w child_h)} = @{$self->child}{qw(req_w req_h)};
+
+   $w = 10 if $self->{scroll_x};
+   $h = 10 if $self->{scroll_y};
 
-   @$self{qw(child_w child_h)}
+   ($w, $h)
 }
 
 sub size_allocate {
@@ -858,9 +918,9 @@
    my $self;
 
    my $slider = new CFClient::UI::Slider
-      vertical        => 1,
-      range           => [0, 0, 1, 0.01], # HACK fix
-      connect_changed => sub {
+      vertical   => 1,
+      range      => [0, 0, 1, 0.01], # HACK fix
+      on_changed => sub {
          $self->{vp}->set_offset (0, $_[1]);
       },
    ;
@@ -878,6 +938,16 @@
    $self
 }
 
+sub update {
+   my ($self) = @_;
+
+   $self->SUPER::update;
+
+   # todo: overwrite size_allocate of child
+   my $child = $self->{vp}->child;
+   $self->{slider}->set_range ([$self->{slider}{range}[0], 0, $child->{h}, $self->{vp}{h}, 1]);
+}
+
 sub size_allocate {
    my ($self, $w, $h) = @_;
 
@@ -945,8 +1015,6 @@
 sub new {
    my $class = shift;
 
-   # TODO: user_x, user_y, overwrite moveto?
-
    my $self = $class->SUPER::new (
       bg          => [1, 1, 1, 1],
       border_bg   => [1, 1, 1, 1],
@@ -1015,9 +1083,11 @@
          my $dx = $ev->{x} - $ox;
          my $dy = $ev->{y} - $oy;
 
-         $self->{user_w} = $bw + $dx * ($mx ? -1 : 1);
-         $self->{user_h} = $bh + $dy * ($my ? -1 : 1);
-         $self->move ($wx + $dx * $mx, $wy + $dy * $my);
+         $self->{user_x} = $wx + $dx * $mx;
+         $self->{user_y} = $wy + $dy * $my;
+         $self->{def_w} = $bw + $dx * ($mx ? -1 : 1);
+         $self->{def_h} = $bh + $dy * ($my ? -1 : 1);
+         $self->move ($self->{user_x}, $self->{user_y});
          $self->check_size;
       };
 
@@ -1030,7 +1100,10 @@
 
          ($x, $y) = ($ev->{x}, $ev->{y});
 
-         $self->move ($bx + $x - $ox, $by + $y - $oy);
+         $self->{user_x} = $bx + $x - $ox;
+         $self->{user_y} = $by + $y - $oy;
+
+         $self->move ($self->{user_x}, $self->{user_y});
          $self->update;
       };
    }
@@ -1238,59 +1311,59 @@
 
 #############################################################################
 
-package CFClient::UI::HBox;
-
-# TODO: wrap into common Box base class
+package CFClient::UI::Box;
 
 our @ISA = CFClient::UI::Container::;
 
 sub size_request {
    my ($self) = @_;
 
-   my @alloc = map [$_->size_request], @{$self->{children}};
-
-   (
-      (List::Util::sum map $_->[0], @alloc),
-      (List::Util::max map $_->[1], @alloc),
-   )
+   $self->{vertical}
+      ?  (
+            (List::Util::max map $_->{req_w}, @{$self->{children}}),
+            (List::Util::sum map $_->{req_h}, @{$self->{children}}),
+         )
+      :  (
+            (List::Util::sum map $_->{req_w}, @{$self->{children}}),
+            (List::Util::max map $_->{req_h}, @{$self->{children}}),
+         )
 }
 
 sub size_allocate {
    my ($self, $w, $h) = @_;
 
-   ($h, $w) = ($w, $h);
-
+   my $space = $self->{vertical} ? $h : $w;
    my $children = $self->{children};
 
-   my @h = map $_->{req_w}, @$children;
+   my @req;
 
-   my $req_h = List::Util::sum @h;
-
-   if ($req_h > $h) {
-      # ah well, not enough space
-      $_ *= $h / $req_h for @h;
+   if ($self->{homogeneous}) {
+      @req = ($space / (@$children || 1)) x @$children;
    } else {
-      my $exp = List::Util::sum map $_->{expand}, @$children;
-      $exp ||= 1;
-      
-      for (0 .. $#$children) {
-         my $child = $children->[$_];
+      @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
 
-         my $alloc_h = $h[$_];
-         $alloc_h += ($h - $req_h) * $child->{expand} / $exp;
-         $h[$_] = $alloc_h;
+         $req[$_] += $space * $children->[$_]{expand}
+            for 0 .. $#$children;
       }
    }
 
-   CFClient::UI::harmonize \@h;
+   CFClient::UI::harmonize \@req;
 
-   my $y = 0;
+   my $pos = 0;
    for (0 .. $#$children) {
-      my $child = $children->[$_];
-      my $h = $h[$_];
-      $child->configure ($y, 0, $h, $w);
+      my $alloc = $req[$_];
+      $children->[$_]->configure ($self->{vertical} ? (0, $pos, $w, $alloc) : ($pos, 0, $alloc, $h));
 
-      $y += $h;
+      $pos += $alloc;
    }
 
    1
@@ -1298,60 +1371,32 @@
 
 #############################################################################
 
-package CFClient::UI::VBox;
-
-# TODO: wrap into common Box base class
-
-our @ISA = CFClient::UI::Container::;
+package CFClient::UI::HBox;
 
-sub size_request {
-   my ($self) = @_;
+our @ISA = CFClient::UI::Box::;
 
-   my @alloc = map [$_->size_request], @{$self->{children}};
+sub new {
+   my $class = shift;
 
-   (
-      (List::Util::max map $_->[0], @alloc),
-      (List::Util::sum map $_->[1], @alloc),
+   $class->SUPER::new (
+      vertical => 0,
+      @_,
    )
 }
 
-sub size_allocate {
-   my ($self, $w, $h) = @_;
-
-   Carp::confess "negative size" if $w < 0 || $h < 0;#d#
-
-   my $children = $self->{children};
-
-   my @h = map $_->{req_h}, @$children;
-
-   my $req_h = List::Util::sum @h;
-
-   if ($req_h > $h) {
-      # ah well, not enough space
-      $_ *= $h / $req_h for @h;
-   } else {
-      my $exp = List::Util::sum map $_->{expand}, @$children;
-      $exp ||= 1;
-      
-      for (0 .. $#$children) {
-         my $child = $children->[$_];
-
-         $h[$_] += ($h - $req_h) * $child->{expand} / $exp;
-      }
-   }
+#############################################################################
 
-   CFClient::UI::harmonize \@h;
+package CFClient::UI::VBox;
 
-   my $y = 0;
-   for (0 .. $#$children) {
-      my $child = $children->[$_];
-      my $h = $h[$_];
-      $child->configure (0, $y, $w, $h);
+our @ISA = CFClient::UI::Box::;
 
-      $y += $h;
-   }
+sub new {
+   my $class = shift;
 
-   1
+   $class->SUPER::new (
+      vertical => 1,
+      @_,
+   )
 }
 
 #############################################################################
@@ -2138,9 +2183,10 @@
 sub set_range {
    my ($self, $range) = @_;
 
-   $self->{range} = $range;
+   ($range, $self->{range}) = ($self->{range}, $range);
 
-   $self->update;
+   $self->update
+      if "@$range" ne "@{$self->{range}}";
 }
 
 sub set_value {
@@ -2533,33 +2579,18 @@
    my $class = shift;
 
    my $self = $class->SUPER::new (
-      state            => 0,
-      connect_activate => \&toggle_flopper,
+      state       => 0,
+      on_activate => \&toggle_flopper,
       @_
    );
 
-   if ($self->{state}) {
-      $self->{state} = 0;
-      $self->toggle_flopper;
-   }
-
    $self
 }
 
 sub toggle_flopper {
    my ($self) = @_;
 
-   # TODO: use animation
-   if ($self->{state} = !$self->{state}) {
-      $CFClient::UI::ROOT->add ($self->{other});
-      $self->{other}->move ($self->coord2global (0, $self->{h}));
-      $self->_emit ("open");
-   } else {
-      $CFClient::UI::ROOT->remove ($self->{other});
-      $self->_emit ("close");
-   }
-
-   $self->_emit (changed => $self->{state});
+   $self->{other}->toggle_visibility;
 }
 
 #############################################################################
@@ -2753,13 +2784,6 @@
 
       $row++;
    }
-
-#   $range->{range} = [$self->{pos}, 0, $self->{max_pos}, $page];
-}
-
-sub size_request {
-   my ($self) = @_;
-   ($self->{req_w}, $self->{req_h});
 }
 
 #############################################################################
@@ -2956,6 +2980,7 @@
    my $class = shift;
 
    $class->SUPER::new (
+      visible => 1,
       @_,
    )
 }
@@ -2992,6 +3017,8 @@
       $Y = $child->{req_y} > 0 ? $child->{req_y} : $h - $H - $child->{req_y} + 1
          if exists $child->{req_y};
 
+      #delete @$child{qw(req_x req_y)};#d# def_x, def_y
+
       $X = List::Util::max 0, List::Util::min $w - $W, int $X + 0.5;
       $Y = List::Util::max 0, List::Util::min $h - $H, int $Y + 0.5;
 
@@ -3021,12 +3048,6 @@
 sub add {
    my ($self, @children) = @_;
 
-   for (my @widgets = @children; my $w = pop @widgets; ) {
-      push @widgets, $w->children;
-      $w->{root} = $self;
-      $w->{visible} = 1;
-   }
-
    for my $child (@children) {
       $child->{is_toplevel} = 1;
 
@@ -3036,6 +3057,12 @@
    }
 
    $self->SUPER::add (@children);
+
+   for (my @widgets = @children; my $w = pop @widgets; ) {
+      push @widgets, $w->children;
+      $w->set_visible;
+   }
+
 }
 
 sub remove {
@@ -3071,19 +3098,22 @@
    }
 
    if ($self->{check_size}) {
-      my @queue = ([], []);
+      my @queue;
 
-      for (;;) {
+      while () {
          if ($self->{check_size}) {
-            # heuristic: check containers last
-            push @{ $queue[ ! ! $_->isa ("CFClient::UI::Container") ] }, $_
-               for values %{delete $self->{check_size}}
+            #TODO use array-of-depth approach
+
+            @queue = sort { $a->{visible} <=> $b->{visible} }
+                          @queue, values %{delete $self->{check_size}};
          }
 
-         my $widget = (pop @{ $queue[0] }) || (pop @{ $queue[1] }) || last;
+         my $widget = pop @queue || last;
+
+         defined $widget->{visible} or last; # do not resize invisible widgets
 
-         my ($w, $h) = $widget->{user_w} && $widget->{user_h}
-            ? @$widget{qw(user_w user_h)}
+         my ($w, $h) = $widget->{def_w} && $widget->{def_h}
+            ? @$widget{qw(def_w def_h)}
             : $widget->size_request;
 
          if (delete $widget->{force_alloc}
@@ -3101,9 +3131,12 @@
        }
    }
 
-   while ($self->{size_alloc}) {
-      for (values %{delete $self->{size_alloc}}) {
-         my ($widget, $w, $h) = @$_;
+   while (my $size_alloc = delete $self->{size_alloc}) {
+      my @queue = sort $b->[0]{visible} <=> $a->[0]{visible},
+                       values %$size_alloc;
+
+      while () {
+         my ($widget, $w, $h) = @{ pop @queue or last };
 
          $w = 0 if $w < 0;
          $h = 0 if $h < 0;