From 69e075df8272fa0811d6be9925ecb4549e92fd4f Mon Sep 17 00:00:00 2001
From: Henrik Brix Andersen <henrik@brixandersen.dk>
Date: Tue, 24 Jul 2012 12:41:51 +0200
Subject: [PATCH] Hidden Sizer items does not take up space, simply show/hide
 pages instead of removing/adding them.

---
 lib/Slic3r/GUI/Tab.pm | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/Slic3r/GUI/Tab.pm b/lib/Slic3r/GUI/Tab.pm
index 3753bbb909..4607fb31da 100644
--- a/lib/Slic3r/GUI/Tab.pm
+++ b/lib/Slic3r/GUI/Tab.pm
@@ -70,8 +70,6 @@ sub new {
         my $page = first { $_->{title} eq $self->{treectrl}->GetItemText($self->{treectrl}->GetSelection) } @{$self->{pages}}
             or return;
         $_->Hide for @{$self->{pages}};
-        $self->{sizer}->Detach(1);
-        $self->{sizer}->Add($page, 1, wxEXPAND | wxLEFT, 5);
         $page->Show;
         $self->{sizer}->Layout;
         $self->Refresh;
@@ -181,6 +179,7 @@ sub add_options_page {
         $self->sync_presets;
     });
     $page->Hide;
+    $self->{sizer}->Add($page, 1, wxEXPAND | wxLEFT, 5);
     push @{$self->{pages}}, $page;
     $self->update_tree;
     return $page;