--- deliantra/Deliantra-Client/DC/UI.pm	2006/05/25 16:35:42	1.235
+++ deliantra/Deliantra-Client/DC/UI.pm	2006/05/27 21:15:57	1.245
@@ -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}) {
@@ -188,16 +208,33 @@
    }, $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->{user_x} = $layout->{x} * $::WIDTH;
+      $self->{user_y} = $layout->{y} * $::HEIGHT;
+      $self->{user_w} = ($layout->{w} != 0 ? $layout->{w} : 1) * $::WIDTH;
+      $self->{user_h} = ($layout->{h} != 0 ? $layout->{h} : 1) * $::HEIGHT;
+   }
+
    $self
 }
 
+sub toggle_visibility {
+   my ($self) = @_;
+
+   if ($self->{visible}) {
+      $self->hide;
+   } else {
+      $self->show;
+   }
+}
+
 sub destroy {
    my ($self) = @_;
 
@@ -228,8 +265,11 @@
 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 +279,8 @@
       if $CFClient::UI::TOOLTIP->{owner} == $self;
 
    $self->focus_out;
+
+   $self->emit (visibility_change => 0);
 }
 
 sub hide {
@@ -460,6 +502,14 @@
 
    Scalar::Util::weaken ($self->{parent} = $parent);
 
+   if ($parent->{visible} || 1) {
+      $self->{root}    = $parent->{root};
+      $self->{visible} = $parent->{visible} + 1;
+
+      $self->emit (visibility_change => 1)
+         unless $self->{parent}{visible};
+   }
+
    # TODO: req_w _does_change after ->reconfigure
    $self->check_size
       unless exists $self->{req_w};
@@ -500,6 +550,10 @@
       || $self->$signal (@args);
 }
 
+sub visibility_change {
+   #my ($self, $visible) = @_;
+}
+
 sub DESTROY {
    my ($self) = @_;
 
@@ -620,7 +674,7 @@
 
    $self->{children} = [ grep $_ != $child, @{ $self->{children} } ];
 
-   $self->check_size;
+   $self->check_size (1);
    $self->update;
 }
 
@@ -855,9 +909,9 @@
    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]);
       },
    ;
@@ -875,6 +929,16 @@
    $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) = @_;
 
@@ -1012,9 +1076,11 @@
          my $dx = $ev->{x} - $ox;
          my $dy = $ev->{y} - $oy;
 
+         $self->{user_x} = $wx + $dx * $mx;
+         $self->{user_y} = $wy + $dy * $my;
          $self->{user_w} = $bw + $dx * ($mx ? -1 : 1);
          $self->{user_h} = $bh + $dy * ($my ? -1 : 1);
-         $self->move ($wx + $dx * $mx, $wy + $dy * $my);
+         $self->move ($self->{user_x}, $self->{user_y});
          $self->check_size;
       };
 
@@ -1027,7 +1093,9 @@
 
          ($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;
       };
    }
@@ -1103,20 +1171,20 @@
    )
 }
 
+sub children {
+   grep $_, map @$_, grep $_, @{ $_[0]{children} }
+}
+
 sub add {
    my ($self, $x, $y, $child) = @_;
 
    $child->set_parent ($self);
    $self->{children}[$y][$x] = $child;
 
-   $child->check_size;
-}
-
-sub children {
-   grep $_, map @$_, grep $_, @{ $_[0]{children} }
+   $self->check_size (1);
 }
 
-# TODO: move to container class maybe? send childs a signal on removal?
+# TODO: move to container class maybe? send children a signal on removal?
 sub clear {
    my ($self) = @_;
 
@@ -1128,6 +1196,7 @@
       $_->hide;
    }
 
+   $self->check_size (1);
    $self->update;
 }
 
@@ -1169,8 +1238,8 @@
 
    my ($ws, $hs) = $self->get_wh;
 
-   my $req_w = sum @$ws;
-   my $req_h = sum @$hs;
+   my $req_w = (sum @$ws) || 1;
+   my $req_h = (sum @$hs) || 1;
 
    # TODO: nicer code && do row_expand
    my @col_expand = @{$self->{col_expand}};
@@ -2134,9 +2203,10 @@
 sub set_range {
    my ($self, $range) = @_;
 
-   $self->{range} = $range;
+   ($range, $self->{range}) = ($self->{range}, $range);
 
-   $self->update;
+   $self->update
+      if "@$range" ne "@{$self->{range}}";
 }
 
 sub set_value {
@@ -2529,33 +2599,18 @@
    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;
 }
 
 #############################################################################
@@ -2749,8 +2804,6 @@
 
       $row++;
    }
-
-#   $range->{range} = [$self->{pos}, 0, $self->{max_pos}, $page];
 }
 
 sub size_request {
@@ -2952,6 +3005,7 @@
    my $class = shift;
 
    $class->SUPER::new (
+      visible => 1,
       @_,
    )
 }
@@ -2988,6 +3042,9 @@
       $Y = $child->{req_y} > 0 ? $child->{req_y} : $h - $H - $child->{req_y} + 1
          if exists $child->{req_y};
 
+         $X = $self->{user_x} if exists $self->{user_x};
+         $Y = $self->{user_y} if exists $self->{user_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;
 
@@ -3019,8 +3076,8 @@
 
    for (my @widgets = @children; my $w = pop @widgets; ) {
       push @widgets, $w->children;
-      $w->{root} = $self;
-      $w->{visible} = 1;
+      $w->{root}    = $self;
+      $w->{visible} = $self->{visible} + 1;
    }
 
    for my $child (@children) {
@@ -3067,16 +3124,19 @@
    }
 
    if ($self->{check_size}) {
-      my @queue = ([], []);
+      my @queue;
 
       for (;;) {
          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)}