Merge remote-tracking branch 'origin/new_main_page_ui' into dev

lib/Slic3r/GUI/MainFrame.pm

@@ -26,6 +26,14 @@ our $appController;
 our $VALUE_CHANGE_EVENT    = Wx::NewEventType;
 # 2) To inform about a preset selection change or a "modified" status change.
 our $PRESETS_CHANGED_EVENT = Wx::NewEventType;
+# 3) To inform about a change of object selection
+our $OBJECT_SELECTION_CHANGED_EVENT = Wx::NewEventType;
+# 4) To inform about a change of object settings
+our $OBJECT_SETTINGS_CHANGED_EVENT = Wx::NewEventType;
+# 5) To inform about a remove of object 
+our $OBJECT_REMOVE_EVENT = Wx::NewEventType;
+# 6) To inform about a update of the scene 
+our $UPDATE_SCENE_EVENT = Wx::NewEventType;
 
 sub new {
     my ($class, %params) = @_;
@@ -114,6 +122,8 @@ sub new {
 
     $self->update_ui_from_settings;
 
+    Slic3r::GUI::update_mode();
+
     return $self;
 }
 
@@ -133,7 +143,12 @@ sub _init_tabpanel {
     });
     
     if (!$self->{no_plater}) {
-        $panel->AddPage($self->{plater} = Slic3r::GUI::Plater->new($panel), L("Plater"));
+        $panel->AddPage($self->{plater} = Slic3r::GUI::Plater->new($panel,
+            event_object_selection_changed   => $OBJECT_SELECTION_CHANGED_EVENT,
+            event_object_settings_changed    => $OBJECT_SETTINGS_CHANGED_EVENT,
+            event_remove_object              => $OBJECT_REMOVE_EVENT,
+            event_update_scene               => $UPDATE_SCENE_EVENT,
+            ), L("Plater"));
         if (!$self->{no_controller}) {
             $panel->AddPage($self->{controller} = Slic3r::GUI::Controller->new($panel), L("Controller"));
         }
@@ -192,6 +207,40 @@ sub _init_tabpanel {
             }
         }
     });
+
+    # The following event is emited by the C++ Tab implementation on object selection change.
+    EVT_COMMAND($self, -1, $OBJECT_SELECTION_CHANGED_EVENT, sub {
+        my ($self, $event) = @_;
+        my $obj_idx = $event->GetId;
+        my $child = $event->GetInt == 1 ? 1 : undef;
+
+        $self->{plater}->select_object($obj_idx < 0 ? undef: $obj_idx, $child);
+        $self->{plater}->item_changed_selection($obj_idx);
+    });
+
+    # The following event is emited by the C++ GUI implementation on object settings change.
+    EVT_COMMAND($self, -1, $OBJECT_SETTINGS_CHANGED_EVENT, sub {
+        my ($self, $event) = @_;
+
+        my $line = $event->GetString;
+        my ($obj_idx, $parts_changed, $part_settings_changed) = split('',$line);
+
+        $self->{plater}->changed_object_settings($obj_idx, $parts_changed, $part_settings_changed);
+    });
+
+    # The following event is emited by the C++ GUI implementation on object remove.
+    EVT_COMMAND($self, -1, $OBJECT_REMOVE_EVENT, sub {
+        my ($self, $event) = @_;
+        $self->{plater}->remove();
+    });
+
+    # The following event is emited by the C++ GUI implementation on extruder change for object.
+    EVT_COMMAND($self, -1, $UPDATE_SCENE_EVENT, sub {
+        my ($self, $event) = @_;
+        $self->{plater}->update();
+    });
+        
+
     Slic3r::GUI::create_preset_tabs($self->{no_controller}, $VALUE_CHANGE_EVENT, $PRESETS_CHANGED_EVENT);
     $self->{options_tabs} = {};
     for my $tab_name (qw(print filament sla_material printer)) {

lib/Slic3r/GUI/Plater.pm

@@ -49,7 +49,7 @@ my $PreventListEvents = 0;
 our $appController;
 
 sub new {
-    my ($class, $parent) = @_;
+    my ($class, $parent, %params) = @_;
     my $self = $class->SUPER::new($parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
     $self->{config} = Slic3r::Config::new_from_defaults_keys([qw(
         bed_shape complete_objects extruder_clearance_radius skirts skirt_distance brim_width variable_layer_height
@@ -57,6 +57,13 @@ sub new {
         nozzle_diameter single_extruder_multi_material wipe_tower wipe_tower_x wipe_tower_y wipe_tower_width
 	wipe_tower_rotation_angle extruder_colour filament_colour max_print_height printer_model
     )]);
+
+    # store input params
+    $self->{event_object_selection_changed} = $params{event_object_selection_changed};
+    $self->{event_object_settings_changed} = $params{event_object_settings_changed};
+    $self->{event_remove_object} = $params{event_remove_object};
+    $self->{event_update_scene} = $params{event_update_scene};
+
     # C++ Slic3r::Model with Perl extensions in Slic3r/Model.pm
     $self->{model} = Slic3r::Model->new;
     # C++ Slic3r::Print with Perl extensions in Slic3r/Print.pm
@@ -74,7 +81,7 @@ sub new {
     });
     
     # Initialize preview notebook
-    $self->{preview_notebook} = Wx::Notebook->new($self, -1, wxDefaultPosition, [335,335], wxNB_BOTTOM);
+    $self->{preview_notebook} = Wx::Notebook->new($self, -1, wxDefaultPosition, [-1,335], wxNB_BOTTOM);
     
     # Initialize handlers for canvases
     my $on_select_object = sub {
@@ -128,7 +135,9 @@ sub new {
         }
         $_->set_scaling_factor($scale) for @{ $model_object->instances };
         
-        $self->{list}->SetItem($obj_idx, 2, ($model_object->instances->[0]->scaling_factor * 100) . "%");
+        # Set object scale on c++ side
+        Slic3r::GUI::set_object_scale($obj_idx, $model_object->instances->[0]->scaling_factor * 100); 
+
 #        $object->transform_thumbnail($self->{model}, $obj_idx);
     
         #update print and start background processing
@@ -362,37 +371,12 @@ sub new {
 #    }
 
     ### Panel for right column
-    $self->{right_panel} = Wx::Panel->new($self, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
+#    $self->{right_panel} = Wx::Panel->new($self, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
-    
+    $self->{right_panel} = Wx::ScrolledWindow->new($self, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
-    ### Scrolled Window for info boxes
+    $self->{right_panel}->SetScrollbars(0, 1, 1, 1);
-    my $scrolled_window_sizer = $self->{scrolled_window_sizer} = Wx::BoxSizer->new(wxVERTICAL);
-    $scrolled_window_sizer->SetMinSize([310, -1]);
-    my $scrolled_window_panel = $self->{scrolled_window_panel} = Wx::ScrolledWindow->new($self->{right_panel}, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
-    $scrolled_window_panel->SetSizer($scrolled_window_sizer);
-    $scrolled_window_panel->SetScrollbars(1, 1, 1, 1);    
-
-    $self->{list} = Wx::ListView->new($scrolled_window_panel, -1, wxDefaultPosition, wxDefaultSize,
-        wxLC_SINGLE_SEL | wxLC_REPORT | wxBORDER_SUNKEN | wxTAB_TRAVERSAL | wxWANTS_CHARS );
-    $self->{list}->InsertColumn(0, L("Name"), wxLIST_FORMAT_LEFT, 145);
-    $self->{list}->InsertColumn(1, L("Copies"), wxLIST_FORMAT_CENTER, 45);
-    $self->{list}->InsertColumn(2, L("Scale"), wxLIST_FORMAT_CENTER, wxLIST_AUTOSIZE_USEHEADER);
-    EVT_LIST_ITEM_SELECTED($self, $self->{list}, \&list_item_selected);
-    EVT_LIST_ITEM_DESELECTED($self, $self->{list}, \&list_item_deselected);
-    EVT_LIST_ITEM_ACTIVATED($self, $self->{list}, \&list_item_activated);
-    EVT_KEY_DOWN($self->{list}, sub {
-        my ($list, $event) = @_;
-        if ($event->GetKeyCode == WXK_TAB) {
-            $list->Navigate($event->ShiftDown ? &Wx::wxNavigateBackward : &Wx::wxNavigateForward);
-        } elsif ($event->GetKeyCode == WXK_DELETE ||
-                ($event->GetKeyCode == WXK_BACK && &Wx::wxMAC) ) {
-            $self->remove;
-        } else {
-            $event->Skip;
-        }
-    });
     
     # right pane buttons
-    $self->{btn_export_gcode} = Wx::Button->new($self->{right_panel}, -1, L("Export G-code…"), wxDefaultPosition, [-1, 30], wxBU_LEFT);
+    $self->{btn_export_gcode} = Wx::Button->new($self->{right_panel}, -1, L("Export G-code…"), wxDefaultPosition, [-1, 30], wxNO_BORDER);#, wxBU_LEFT);
     $self->{btn_reslice} = Wx::Button->new($self->{right_panel}, -1, L("Slice now"), wxDefaultPosition, [-1, 30], wxBU_LEFT);
     $self->{btn_print} = Wx::Button->new($self->{right_panel}, -1, L("Print…"), wxDefaultPosition, [-1, 30], wxBU_LEFT);
     $self->{btn_send_gcode} = Wx::Button->new($self->{right_panel}, -1, L("Send to printer"), wxDefaultPosition, [-1, 30], wxBU_LEFT);
@@ -460,6 +444,7 @@ sub new {
 #    } else {
 #        EVT_BUTTON($self, $self->{btn_add}, sub { $self->add; });
 #        EVT_BUTTON($self, $self->{btn_remove}, sub { $self->remove() }); # explicitly pass no argument to remove
+#        EVT_BUTTON($self, $self->{btn_remove}, sub { Slic3r::GUI::remove_obj() }); # explicitly pass no argument to remove
 #        EVT_BUTTON($self, $self->{btn_reset}, sub { $self->reset; });
 #        EVT_BUTTON($self, $self->{btn_arrange}, sub { $self->arrange; });
 #        EVT_BUTTON($self, $self->{btn_increase}, sub { $self->increase; });
@@ -476,7 +461,7 @@ sub new {
     $_->SetDropTarget(Slic3r::GUI::Plater::DropTarget->new($self))
         for grep defined($_),
             $self, $self->{canvas3D}, $self->{preview3D}, $self->{list};
-#            $self, $self->{canvas}, $self->{canvas3D}, $self->{preview3D}, $self->{list};
+#            $self, $self->{canvas}, $self->{canvas3D}, $self->{preview3D};
     
     EVT_COMMAND($self, -1, $PROGRESS_BAR_EVENT, sub {
         my ($self, $event) = @_;
@@ -555,15 +540,32 @@ sub new {
             $presets->Layout;
         }
 
-        my $frequently_changed_parameters_sizer = $self->{frequently_changed_parameters_sizer} = Wx::BoxSizer->new(wxHORIZONTAL);
+        my $frequently_changed_parameters_sizer = $self->{frequently_changed_parameters_sizer} = Wx::BoxSizer->new(wxVERTICAL);
         Slic3r::GUI::add_frequently_changed_parameters($self->{right_panel}, $frequently_changed_parameters_sizer, $presets);
 
+        my $expert_mode_part_sizer = Wx::BoxSizer->new(wxVERTICAL);
+        Slic3r::GUI::add_expert_mode_part(  $self->{right_panel}, $expert_mode_part_sizer, 
+                                            $self->{model},
+                                            $self->{event_object_selection_changed},
+                                            $self->{event_object_settings_changed},
+                                            $self->{event_remove_object},
+                                            $self->{event_update_scene});
+#        if ($expert_mode_part_sizer->IsShown(2)==1) 
+#        { 
+#           $expert_mode_part_sizer->Layout;
+#            $expert_mode_part_sizer->Show(2, 0); # ? Why doesn't work
+#            $self->{right_panel}->Layout;
+#       }
+
         my $object_info_sizer;
         {
-            my $box = Wx::StaticBox->new($scrolled_window_panel, -1, L("Info"));
+#            my $box = Wx::StaticBox->new($scrolled_window_panel, -1, L("Info"));
+            my $box = Wx::StaticBox->new($self->{right_panel}, -1, L("Info"));
+            $box->SetFont($Slic3r::GUI::small_bold_font);
             $object_info_sizer = Wx::StaticBoxSizer->new($box, wxVERTICAL);
             $object_info_sizer->SetMinSize([300,-1]);
-            my $grid_sizer = Wx::FlexGridSizer->new(3, 4, 5, 5);
+            #!my $grid_sizer = Wx::FlexGridSizer->new(3, 4, 5, 5);
+            my $grid_sizer = Wx::FlexGridSizer->new(2, 4, 5, 5);
             $grid_sizer->SetFlexibleDirection(wxHORIZONTAL);
             $grid_sizer->AddGrowableCol(1, 1);
             $grid_sizer->AddGrowableCol(3, 1);
@@ -578,28 +580,45 @@ sub new {
             );
             while (my $field = shift @info) {
                 my $label = shift @info;
-                my $text = Wx::StaticText->new($scrolled_window_panel, -1, "$label:", wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
+#                my $text = Wx::StaticText->new($scrolled_window_panel, -1, "$label:", wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
+                my $text = Wx::StaticText->new($self->{right_panel}, -1, "$label:", wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
                 $text->SetFont($Slic3r::GUI::small_font);
-                $grid_sizer->Add($text, 0);
+                #!$grid_sizer->Add($text, 0);
                 
-                $self->{"object_info_$field"} = Wx::StaticText->new($scrolled_window_panel, -1, "", wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
+#                $self->{"object_info_$field"} = Wx::StaticText->new($scrolled_window_panel, -1, "", wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
+                $self->{"object_info_$field"} = Wx::StaticText->new($self->{right_panel}, -1, "", wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
                 $self->{"object_info_$field"}->SetFont($Slic3r::GUI::small_font);
                 if ($field eq 'manifold') {
-                    $self->{object_info_manifold_warning_icon} = Wx::StaticBitmap->new($scrolled_window_panel, -1, Wx::Bitmap->new(Slic3r::var("error.png"), wxBITMAP_TYPE_PNG));
+#                    $self->{object_info_manifold_warning_icon} = Wx::StaticBitmap->new($scrolled_window_panel, -1, Wx::Bitmap->new(Slic3r::var("error.png"), wxBITMAP_TYPE_PNG));
-                    $self->{object_info_manifold_warning_icon}->Hide;
+                    $self->{object_info_manifold_warning_icon} = Wx::StaticBitmap->new($self->{right_panel}, -1, Wx::Bitmap->new(Slic3r::var("error.png"), wxBITMAP_TYPE_PNG));
+                    #$self->{object_info_manifold_warning_icon}->Hide;
+                    $self->{"object_info_manifold_warning_icon_show"} = sub {
+                        if ($self->{object_info_manifold_warning_icon}->IsShown() != $_[0]) {
+                            Slic3r::GUI::set_show_manifold_warning_icon($_[0]);
+                            my $mode = wxTheApp->{app_config}->get("view_mode");
+                            return if ($mode eq "" || $mode eq "simple");
+                            $self->{object_info_manifold_warning_icon}->Show($_[0]); 
+                            $self->Layout
+                        }
+                    };
+                    $self->{"object_info_manifold_warning_icon_show"}->(0);
                     
                     my $h_sizer = Wx::BoxSizer->new(wxHORIZONTAL);
-                    $h_sizer->Add($self->{object_info_manifold_warning_icon}, 0);
+                    $h_sizer->Add($text, 0);
-                    $h_sizer->Add($self->{"object_info_$field"}, 0);
+                    $h_sizer->Add($self->{object_info_manifold_warning_icon}, 0, wxLEFT, 2);
-                    $grid_sizer->Add($h_sizer, 0, wxEXPAND);
+                    $h_sizer->Add($self->{"object_info_$field"}, 0, wxLEFT, 2);
+                    #!$grid_sizer->Add($h_sizer, 0, wxEXPAND);
+                    $object_info_sizer->Add($h_sizer, 0, wxEXPAND|wxTOP, 4);
                 } else {
+                    $grid_sizer->Add($text, 0);
                     $grid_sizer->Add($self->{"object_info_$field"}, 0);
                 }
             }
         }
 
         my $print_info_sizer = $self->{print_info_sizer} = Wx::StaticBoxSizer->new(
-                Wx::StaticBox->new($scrolled_window_panel, -1, L("Sliced Info")), wxVERTICAL);
+#                Wx::StaticBox->new($scrolled_window_panel, -1, L("Sliced Info")), wxVERTICAL);
+                Wx::StaticBox->new($self->{right_panel}, -1, L("Sliced Info")), wxVERTICAL);
         $print_info_sizer->SetMinSize([300,-1]);
         
         my $buttons_sizer = Wx::BoxSizer->new(wxHORIZONTAL);
@@ -609,22 +628,27 @@ sub new {
         $buttons_sizer->Add($self->{btn_reslice}, 0, wxALIGN_RIGHT, 0);
         $buttons_sizer->Add($self->{btn_print}, 0, wxALIGN_RIGHT, 0);
         $buttons_sizer->Add($self->{btn_send_gcode}, 0, wxALIGN_RIGHT, 0);
-        $buttons_sizer->Add($self->{btn_export_gcode}, 0, wxALIGN_RIGHT, 0);
         
-        $scrolled_window_sizer->Add($self->{list}, 1, wxEXPAND, 5);
+#        $scrolled_window_sizer->Add($self->{list}, 1, wxEXPAND, 5);
-        $scrolled_window_sizer->Add($object_info_sizer, 0, wxEXPAND, 0);
+#        $scrolled_window_sizer->Add($object_info_sizer, 0, wxEXPAND, 0);
-        $scrolled_window_sizer->Add($print_info_sizer, 0, wxEXPAND, 0);
+#        $scrolled_window_sizer->Add($print_info_sizer, 0, wxEXPAND, 0);
+        #$buttons_sizer->Add($self->{btn_export_gcode}, 0, wxALIGN_RIGHT, 0);
+
+        ### Sizer for info boxes
+        my $info_sizer = $self->{info_sizer} = Wx::BoxSizer->new(wxVERTICAL);
+        $info_sizer->SetMinSize([318, -1]);        
+        $info_sizer->Add($object_info_sizer, 0, wxEXPAND | wxBOTTOM, 5);
+        $info_sizer->Add($print_info_sizer, 0, wxEXPAND | wxBOTTOM, 5);
 
         my $right_sizer = Wx::BoxSizer->new(wxVERTICAL);
-        $right_sizer->SetMinSize([320,-1]);
-        $right_sizer->Add($presets, 0, wxEXPAND | wxTOP, 10) if defined $presets;
-        $right_sizer->Add($frequently_changed_parameters_sizer, 0, wxEXPAND | wxTOP, 0) if defined $frequently_changed_parameters_sizer;
-        $right_sizer->Add($buttons_sizer, 0, wxEXPAND | wxBOTTOM, 5);
-        $right_sizer->Add($scrolled_window_panel, 1, wxEXPAND | wxALL, 1);
-        # Show the box initially, let it be shown after the slicing is finished.
-        $self->print_info_box_show(0);
-
         $self->{right_panel}->SetSizer($right_sizer);
+        $right_sizer->SetMinSize([320, -1]);
+        $right_sizer->Add($presets, 0, wxEXPAND | wxTOP, 10) if defined $presets;
+        $right_sizer->Add($frequently_changed_parameters_sizer, 1, wxEXPAND | wxTOP, 0) if defined $frequently_changed_parameters_sizer;
+        $right_sizer->Add($expert_mode_part_sizer, 0, wxEXPAND | wxTOP, 10) if defined $expert_mode_part_sizer;
+        $right_sizer->Add($buttons_sizer, 0, wxEXPAND | wxBOTTOM | wxTOP, 10);
+        $right_sizer->Add($info_sizer, 0, wxEXPAND | wxLEFT, 20);
+        $right_sizer->Add($self->{btn_export_gcode}, 0, wxEXPAND | wxLEFT | wxTOP | wxBOTTOM, 20);
 
         my $hsizer = Wx::BoxSizer->new(wxHORIZONTAL);
         $hsizer->Add($self->{preview_notebook}, 1, wxEXPAND | wxTOP, 1);
@@ -637,6 +661,18 @@ sub new {
         
         $sizer->SetSizeHints($self);
         $self->SetSizer($sizer);
+
+        # Send sizers/buttons to C++
+        Slic3r::GUI::set_objects_from_perl( $self->{right_panel},
+                                $frequently_changed_parameters_sizer,
+                                $expert_mode_part_sizer,
+                                $info_sizer,
+                                $self->{btn_export_gcode},
+                                $self->{btn_export_stl},
+                                $self->{btn_reslice},
+                                $self->{btn_print},
+                                $self->{btn_send_gcode},
+                                $self->{object_info_manifold_warning_icon} );
     }
 
     # Last correct selected item for each preset
@@ -647,6 +683,7 @@ sub new {
     }
 
     $self->update_ui_from_settings();
+    $self->Layout;
     
     return $self;
 }
@@ -921,12 +958,10 @@ sub load_model_objects {
     foreach my $obj_idx (@obj_idx) {
         my $object = $self->{objects}[$obj_idx];
         my $model_object = $self->{model}->objects->[$obj_idx];
-        $self->{list}->InsertStringItem($obj_idx, $object->name);
+
-        $self->{list}->SetItemFont($obj_idx, Wx::Font->new(10, wxDEFAULT, wxNORMAL, wxNORMAL))
+        # Add object to list on c++ side
-            if $self->{list}->can('SetItemFont');  # legacy code for wxPerl < 0.9918 not supporting SetItemFont()
+        Slic3r::GUI::add_object_to_list($object->name, $model_object);
     
-        $self->{list}->SetItem($obj_idx, 1, $model_object->instances_count);
-        $self->{list}->SetItem($obj_idx, 2, ($model_object->instances->[0]->scaling_factor * 100) . "%");
 
 #        $self->reset_thumbnail($obj_idx);
     }
@@ -936,8 +971,6 @@ sub load_model_objects {
     # zoom to objects
     Slic3r::GUI::_3DScene::zoom_to_volumes($self->{canvas3D}) if $self->{canvas3D};
     
-    $self->{list}->Update;
-    $self->{list}->Select($obj_idx[-1], 1);
     $self->object_list_changed;
     
     $self->schedule_background_process;
@@ -972,7 +1005,8 @@ sub remove {
     splice @{$self->{objects}}, $obj_idx, 1;
     $self->{model}->delete_object($obj_idx);
     $self->{print}->delete_object($obj_idx);
-    $self->{list}->DeleteItem($obj_idx);
+    # Delete object from list on c++ side
+    Slic3r::GUI::delete_object_from_list();
     $self->object_list_changed;
     
     $self->select_object(undef);
@@ -992,7 +1026,8 @@ sub reset {
     @{$self->{objects}} = ();
     $self->{model}->clear_objects;
     $self->{print}->clear_objects;
-    $self->{list}->DeleteAllItems;
+    # Delete all objects from list on c++ side
+    Slic3r::GUI::delete_all_objects_from_list();
     $self->object_list_changed;
     
     $self->select_object(undef);
@@ -1014,7 +1049,8 @@ sub increase {
         );
         $self->{print}->objects->[$obj_idx]->add_copy($instance->offset);
     }
-    $self->{list}->SetItem($obj_idx, 1, $model_object->instances_count);
+    # Set conut of object on c++ side
+    Slic3r::GUI::set_object_count($obj_idx, $model_object->instances_count);
     
     # only autoarrange if user has autocentering enabled
     $self->stop_background_process;
@@ -1042,7 +1078,8 @@ sub decrease {
             $model_object->delete_last_instance;
             $self->{print}->objects->[$obj_idx]->delete_last_copy;
         }
-        $self->{list}->SetItem($obj_idx, 1, $model_object->instances_count);
+        # Set conut of object on c++ side
+        Slic3r::GUI::set_object_count($obj_idx, $model_object->instances_count);
     } elsif (defined $copies_asked) {
         # The "decrease" came from the "set number of copies" dialog.
         $self->remove;
@@ -1051,11 +1088,7 @@ sub decrease {
         $self->resume_background_process;
         return;
     }
-    
+
-    if ($self->{objects}[$obj_idx]) {
-        $self->{list}->Select($obj_idx, 0);
-        $self->{list}->Select($obj_idx, 1);
-    }
     $self->update;
     $self->schedule_background_process;
 }
@@ -1153,6 +1186,7 @@ sub rotate {
 #        $model_object->center_around_origin;
 #        $self->reset_thumbnail($obj_idx);
     }
+    Slic3r::GUI::update_rotation_value(deg2rad($angle), $axis == X ? "x" : ($axis == Y ? "y" : "z"));
     
     # update print and start background processing
     $self->{print}->add_model_object($model_object, $obj_idx);
@@ -1243,8 +1277,9 @@ sub changescale {
             $scale = $self->_get_number_from_user(L('Enter the scale % for the selected object:'), L('Scale'), L('Invalid scaling value entered'), $model_instance->scaling_factor*100, 1);
             return if ! defined($scale) || $scale eq '';
         }
-    
+
-        $self->{list}->SetItem($obj_idx, 2, "$scale%");
+        # Set object scale on c++ side
+        Slic3r::GUI::set_object_scale($obj_idx, $scale);
         $scale /= 100;  # turn percent into factor
         
         my $variation = $scale / $model_instance->scaling_factor;
@@ -1687,9 +1722,15 @@ sub on_export_completed {
 # Fill in the "Sliced info" box with the result of the G-code generator.
 sub print_info_box_show {
     my ($self, $show) = @_;
-    my $scrolled_window_panel = $self->{scrolled_window_panel}; 
+#    my $scrolled_window_panel = $self->{scrolled_window_panel}; 
-    my $scrolled_window_sizer = $self->{scrolled_window_sizer};
+#    my $scrolled_window_sizer = $self->{scrolled_window_sizer};
-    return if (!$show && ($scrolled_window_sizer->IsShown(2) == $show));
+#    return if (!$show && ($scrolled_window_sizer->IsShown(2) == $show));
+    my $panel = $self->{right_panel};
+    my $sizer = $self->{info_sizer};
+    return if (!$show && ($sizer->IsShown(2) == $show));
+
+    Slic3r::GUI::set_show_print_info($show);
+    return if (wxTheApp->{app_config}->get("view_mode") eq "simple");
 
     if ($show) {
         my $print_info_sizer = $self->{print_info_sizer};
@@ -1716,17 +1757,23 @@ sub print_info_box_show {
         while ( my $label = shift @info) {
             my $value = shift @info;
             next if $value eq "N/A";
-            my $text = Wx::StaticText->new($scrolled_window_panel, -1, "$label:", wxDefaultPosition, wxDefaultSize, wxALIGN_RIGHT);
+#            my $text = Wx::StaticText->new($scrolled_window_panel, -1, "$label:", wxDefaultPosition, wxDefaultSize, wxALIGN_RIGHT);
+            my $text = Wx::StaticText->new($panel, -1, "$label:", wxDefaultPosition, wxDefaultSize, wxALIGN_RIGHT);
             $text->SetFont($Slic3r::GUI::small_font);
             $grid_sizer->Add($text, 0);            
-            my $field = Wx::StaticText->new($scrolled_window_panel, -1, $value, wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
+#            my $field = Wx::StaticText->new($scrolled_window_panel, -1, $value, wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
+            my $field = Wx::StaticText->new($panel, -1, $value, wxDefaultPosition, wxDefaultSize, wxALIGN_LEFT);
             $field->SetFont($Slic3r::GUI::small_font);
             $grid_sizer->Add($field, 0);
         }
     }
 
-    $scrolled_window_sizer->Show(2, $show);
+#    $scrolled_window_sizer->Show(2, $show);
-    $scrolled_window_panel->Layout;
+#    $scrolled_window_panel->Layout;
+    $sizer->Show(1, $show);
+
+#?    $self->Layout;
+#?    $panel->Refresh;
 }
 
 sub do_print {
@@ -2058,32 +2105,18 @@ sub on_config_change {
     $self->schedule_background_process;
 }
 
-sub list_item_deselected {
+sub item_changed_selection{
-    my ($self, $event) = @_;
+    my ($self, $obj_idx) = @_;
-    return if $PreventListEvents;
-    $self->{_lecursor} = Wx::BusyCursor->new();
-    if ($self->{list}->GetFirstSelected == -1) {
-        $self->select_object(undef);
-#        $self->{canvas}->Refresh;
-        Slic3r::GUI::_3DScene::deselect_volumes($self->{canvas3D}) if $self->{canvas3D};
-        Slic3r::GUI::_3DScene::render($self->{canvas3D}) if $self->{canvas3D};
-    }
-    undef $self->{_lecursor};
-}
 
-sub list_item_selected {
-    my ($self, $event) = @_;
-    return if $PreventListEvents;
-    $self->{_lecursor} = Wx::BusyCursor->new();
-    my $obj_idx = $event->GetIndex;
-    $self->select_object($obj_idx);
 #    $self->{canvas}->Refresh;
     if ($self->{canvas3D}) {
-        my $selections = $self->collect_selections;
+        Slic3r::GUI::_3DScene::deselect_volumes($self->{canvas3D});
-        Slic3r::GUI::_3DScene::update_volumes_selection($self->{canvas3D}, \@$selections);
+        if ($obj_idx >= 0){
+            my $selections = $self->collect_selections;
+            Slic3r::GUI::_3DScene::update_volumes_selection($self->{canvas3D}, \@$selections);
+        }
         Slic3r::GUI::_3DScene::render($self->{canvas3D});
     }
-    undef $self->{_lecursor};
 }
 
 sub collect_selections {
@@ -2095,6 +2128,7 @@ sub collect_selections {
     return $selections;
 }
 
+# doesn't used now
 sub list_item_activated {
     my ($self, $event, $obj_idx) = @_;
     
@@ -2195,6 +2229,31 @@ sub object_settings_dialog {
     }
 }
 
+sub changed_object_settings {
+    my ($self, $obj_idx, $parts_changed, $part_settings_changed) = @_;
+    
+    # update thumbnail since parts may have changed
+    if ($parts_changed) {
+        # recenter and re-align to Z = 0
+        my $model_object = $self->{model}->objects->[$obj_idx];
+        $model_object->center_around_origin;
+        $self->reset_thumbnail($obj_idx);
+    }
+    
+    # update print
+    if ($parts_changed || $part_settings_changed) {
+        $self->stop_background_process;
+        $self->{print}->reload_object($obj_idx);
+        $self->schedule_background_process;
+        $self->{canvas}->reload_scene if $self->{canvas};
+        my $selections = $self->collect_selections;
+        Slic3r::GUI::_3DScene::set_objects_selections($self->{canvas3D}, \@$selections);
+        Slic3r::GUI::_3DScene::reload_scene($self->{canvas3D}, 0);
+    } else {
+        $self->resume_background_process;
+    }
+}
+
 # Called to update various buttons depending on whether there are any objects or
 # whether background processing (export of a G-code, sending to Octoprint, forced background re-slicing) is active.
 sub object_list_changed {
@@ -2296,7 +2355,8 @@ sub selection_changed {
                 $self->{object_info_facets}->SetLabel(sprintf(L('%d (%d shells)'), $model_object->facets_count, $stats->{number_of_parts}));
                 if (my $errors = sum(@$stats{qw(degenerate_facets edges_fixed facets_removed facets_added facets_reversed backwards_edges)})) {
                     $self->{object_info_manifold}->SetLabel(sprintf(L("Auto-repaired (%d errors)"), $errors));
-                    $self->{object_info_manifold_warning_icon}->Show;
+                    #$self->{object_info_manifold_warning_icon}->Show;
+                    $self->{"object_info_manifold_warning_icon_show"}->(1);
                     
                     # we don't show normals_fixed because we never provide normals
 	                # to admesh, so it generates normals for all facets
@@ -2306,7 +2366,8 @@ sub selection_changed {
                     $self->{object_info_manifold_warning_icon}->SetToolTipString($message);
                 } else {
                     $self->{object_info_manifold}->SetLabel(L("Yes"));
-                    $self->{object_info_manifold_warning_icon}->Hide;
+                    #$self->{object_info_manifold_warning_icon}->Hide;
+                    $self->{"object_info_manifold_warning_icon_show"}->(0);
                     $self->{object_info_manifold}->SetToolTipString("");
                     $self->{object_info_manifold_warning_icon}->SetToolTipString("");
                 }
@@ -2315,7 +2376,8 @@ sub selection_changed {
             }
         } else {
             $self->{"object_info_$_"}->SetLabel("") for qw(size volume facets materials manifold);
-            $self->{object_info_manifold_warning_icon}->Hide;
+            #$self->{object_info_manifold_warning_icon}->Hide;
+            $self->{"object_info_manifold_warning_icon_show"}->(0);
             $self->{object_info_manifold}->SetToolTipString("");
             $self->{object_info_manifold_warning_icon}->SetToolTipString("");
         }
@@ -2328,26 +2390,21 @@ sub selection_changed {
 }
 
 sub select_object {
-    my ($self, $obj_idx) = @_;
+    my ($self, $obj_idx, $child) = @_;
 
     # remove current selection
     foreach my $o (0..$#{$self->{objects}}) {
-        $PreventListEvents = 1;
         $self->{objects}->[$o]->selected(0);
-        $self->{list}->Select($o, 0);
-        $PreventListEvents = 0;
     }
-    
+
     if (defined $obj_idx) {
         $self->{objects}->[$obj_idx]->selected(1);
-        # We use this flag to avoid circular event handling
+        # Select current object in the list on c++ side, if item isn't child
-        # Select() happens to fire a wxEVT_LIST_ITEM_SELECTED on Windows, 
+        if (!defined $child){
-        # whose event handler calls this method again and again and again
+            Slic3r::GUI::select_current_object($obj_idx);}
-        $PreventListEvents = 1;
-        $self->{list}->Select($obj_idx, 1);
-        $PreventListEvents = 0;
     } else {
-        # TODO: deselect all in list
+        # Unselect all objects in the list on c++ side
+        Slic3r::GUI::unselect_objects();
     }
     $self->selection_changed(1);
 }

xs/CMakeLists.txt

@@ -211,6 +211,10 @@ add_library(libslic3r_gui STATIC
     ${LIBDIR}/slic3r/GUI/PresetHints.hpp
     ${LIBDIR}/slic3r/GUI/GUI.cpp
     ${LIBDIR}/slic3r/GUI/GUI.hpp
+    ${LIBDIR}/slic3r/GUI/GUI_ObjectParts.cpp
+    ${LIBDIR}/slic3r/GUI/GUI_ObjectParts.hpp
+    ${LIBDIR}/slic3r/GUI/LambdaObjectDialog.cpp
+    ${LIBDIR}/slic3r/GUI/LambdaObjectDialog.hpp
     ${LIBDIR}/slic3r/GUI/Tab.cpp
     ${LIBDIR}/slic3r/GUI/Tab.hpp
     ${LIBDIR}/slic3r/GUI/TabIface.cpp

xs/src/slic3r/GUI/3DScene.cpp

@@ -258,6 +258,11 @@ const Vec3d& GLVolume::get_origin() const
     return m_origin;
 }
 
+float GLVolume::get_angle_z()
+{
+    return m_angle_z;
+}
+
 void GLVolume::set_origin(const Vec3d& origin)
 {
     if (m_origin != origin)

xs/src/slic3r/GUI/3DScene.hpp

@@ -323,6 +323,7 @@ public:
     // Sets render color in dependence of current state
     void set_render_color();
 
+    float get_angle_z();
     const Vec3d& get_origin() const;
     void set_origin(const Vec3d& origin);
     void set_angle_z(float angle_z);

xs/src/slic3r/GUI/Field.cpp

@@ -132,7 +132,11 @@ namespace Slic3r { namespace GUI {
 				break;
 			}
 			double val;
-			str.ToCDouble(&val);
+			if(!str.ToCDouble(&val))
+			{
+				show_error(m_parent, _(L("Input value contains incorrect symbol(s).\nUse, please, only digits")));
+				set_value(double_to_string(val), true);
+			}
 			if (m_opt.min > val || val > m_opt.max)
 			{
 				show_error(m_parent, _(L("Input value is out of range")));
@@ -330,9 +334,7 @@ void SpinCtrl::BUILD() {
 		break;
 	}
 
-	const int min_val = m_opt_id == "standby_temperature_delta" ? 
+    const int min_val = m_opt.min == INT_MIN ? 0: m_opt.min;
-						-500 : m_opt.min > 0 ? 
-						m_opt.min : 0;
 	const int max_val = m_opt.max < 2147483647 ? m_opt.max : 2147483647;
 
 	auto temp = new wxSpinCtrl(m_parent, wxID_ANY, text_value, wxDefaultPosition, size,
@@ -558,8 +560,11 @@ boost::any& Choice::get_value()
 // 	boost::any m_value;
 	wxString ret_str = static_cast<wxComboBox*>(window)->GetValue();	
 
-	if (m_opt_id == "support")
+	// options from right panel
-		return m_value = boost::any(ret_str);//ret_str;
+	std::vector <std::string> right_panel_options{ "support", "scale_unit" };
+	for (auto rp_option: right_panel_options)
+		if (m_opt_id == rp_option)
+			return m_value = boost::any(ret_str);
 
 	if (m_opt.type != coEnum)
 		/*m_value = */get_value_by_opt_type(ret_str);
@@ -705,6 +710,69 @@ void StaticText::BUILD()
 	temp->SetToolTip(get_tooltip_text(legend));
 }
 
+void SliderCtrl::BUILD()
+{
+	auto size = wxSize(wxDefaultSize);
+	if (m_opt.height >= 0) size.SetHeight(m_opt.height);
+	if (m_opt.width >= 0) size.SetWidth(m_opt.width);
+
+	auto temp = new wxBoxSizer(wxHORIZONTAL);
+
+	auto def_val = static_cast<ConfigOptionInt*>(m_opt.default_value)->value;
+	auto min = m_opt.min == INT_MIN ? 0 : m_opt.min;
+	auto max = m_opt.max == INT_MAX ? 100 : m_opt.max;
+
+	m_slider = new wxSlider(m_parent, wxID_ANY, def_val * m_scale,
+							min * m_scale, max * m_scale,
+							wxDefaultPosition, size);
+ 	wxSize field_size(40, -1);
+
+	m_textctrl = new wxTextCtrl(m_parent, wxID_ANY, wxString::Format("%d", m_slider->GetValue()/m_scale), 
+								wxDefaultPosition, field_size);
+
+	temp->Add(m_slider, 1, wxEXPAND | wxALIGN_CENTER_VERTICAL, 0);
+	temp->Add(m_textctrl, 0, wxALIGN_CENTER_VERTICAL, 0);
+
+	m_slider->Bind(wxEVT_SLIDER, ([this](wxCommandEvent e) {
+		if (!m_disable_change_event){
+			int val = boost::any_cast<int>(get_value());
+			m_textctrl->SetLabel(wxString::Format("%d", val));
+			on_change_field();
+		}
+	}), m_slider->GetId());
+
+	m_textctrl->Bind(wxEVT_TEXT, ([this](wxCommandEvent e) {
+		std::string value = e.GetString().utf8_str().data();
+		if (is_matched(value, "^-?\\d+(\\.\\d*)?$")){
+			m_disable_change_event = true;
+			m_slider->SetValue(stoi(value)*m_scale);
+			m_disable_change_event = false;
+			on_change_field();
+		}
+	}), m_textctrl->GetId());
+
+	m_sizer = dynamic_cast<wxSizer*>(temp);
+}
+
+void SliderCtrl::set_value(const boost::any& value, bool change_event)
+{
+	m_disable_change_event = !change_event;
+
+	m_slider->SetValue(boost::any_cast<int>(value)*m_scale);
+	int val = boost::any_cast<int>(get_value());
+	m_textctrl->SetLabel(wxString::Format("%d", val));
+
+	m_disable_change_event = false;
+}
+
+boost::any& SliderCtrl::get_value()
+{
+// 	int ret_val;
+// 	x_textctrl->GetValue().ToDouble(&val);
+	return m_value = int(m_slider->GetValue()/m_scale);
+}
+
+
 } // GUI
 } // Slic3r
 

xs/src/slic3r/GUI/Field.hpp

@@ -196,6 +196,10 @@ public:
 		return false;
 	}
 
+	void	set_side_text_ptr(wxStaticText* side_text) {
+		m_side_text = side_text;
+    }
+
 protected:
 	MyButton*			m_Undo_btn = nullptr;
 	// Bitmap and Tooltip text for m_Undo_btn. The wxButton will be updated only if the new wxBitmap pointer differs from the currently rendered one.
@@ -210,6 +214,8 @@ protected:
 	// Color for Label. The wxColour will be updated only if the new wxColour pointer differs from the currently rendered one.
 	const wxColour*		m_label_color = nullptr;
 
+	wxStaticText*		m_side_text = nullptr;
+
 	// current value
 	boost::any			m_value;
 
@@ -221,7 +227,7 @@ protected:
 inline bool is_bad_field(const t_field& obj) { return obj->getSizer() == nullptr && obj->getWindow() == nullptr; }
 
 /// Covenience function to determine whether this field is a valid window field.
-inline bool is_window_field(const t_field& obj) { return !is_bad_field(obj) && obj->getWindow() != nullptr; }
+inline bool is_window_field(const t_field& obj) { return !is_bad_field(obj) && obj->getWindow() != nullptr && obj->getSizer() == nullptr; }
 
 /// Covenience function to determine whether this field is a valid sizer field.
 inline bool is_sizer_field(const t_field& obj) { return !is_bad_field(obj) && obj->getSizer() != nullptr; }
@@ -415,11 +421,44 @@ public:
 
 	boost::any&		get_value()override { return m_value; }
 
-	void			enable() override { dynamic_cast<wxColourPickerCtrl*>(window)->Enable(); };
+	void			enable() override { dynamic_cast<wxStaticText*>(window)->Enable(); };
-	void			disable() override{ dynamic_cast<wxColourPickerCtrl*>(window)->Disable(); };
+	void			disable() override{ dynamic_cast<wxStaticText*>(window)->Disable(); };
 	wxWindow*		getWindow() override { return window; }
 };
 
+class SliderCtrl : public Field {
+	using Field::Field;
+public:
+	SliderCtrl(const ConfigOptionDef& opt, const t_config_option_key& id) : Field(opt, id) {}
+	SliderCtrl(wxWindow* parent, const ConfigOptionDef& opt, const t_config_option_key& id) : Field(parent, opt, id) {}
+	~SliderCtrl() {}
+
+	wxSizer*		m_sizer{ nullptr };
+	wxTextCtrl*		m_textctrl{ nullptr };
+	wxSlider*		m_slider{ nullptr };
+
+	int				m_scale = 10;
+
+	void			BUILD()  override;
+
+	void			set_value(const int value, bool change_event = false);
+	void			set_value(const boost::any& value, bool change_event = false);
+	boost::any&		get_value() override;
+
+	void			enable() override {
+		m_slider->Enable();
+		m_textctrl->Enable();
+		m_textctrl->SetEditable(true);
+	}
+	void			disable() override{
+		m_slider->Disable();
+		m_textctrl->Disable();
+		m_textctrl->SetEditable(false);
+	}
+	wxSizer*		getSizer() override { return m_sizer; }
+	wxWindow*		getWindow() override { return dynamic_cast<wxWindow*>(m_slider); }
+};
+
 } // GUI
 } // Slic3r
 

xs/src/slic3r/GUI/GLCanvas3D.cpp

@@ -2950,7 +2950,13 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
 
         m_mouse.set_start_position_2D_as_invalid();
 #endif
-    } 
+    }
+    else if (evt.Leaving())
+    {
+        // to remove hover when mouse goes out of this canvas
+        m_mouse.position = Pointf((coordf_t)pos.x, (coordf_t)pos.y);
+        render();
+    }
     else if (evt.Leaving())
     {
         // to remove hover on objects when the mouse goes out of this canvas
@@ -3184,6 +3190,8 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
             }
             const Vec3d& size = bb.size();
             m_on_update_geometry_info_callback.call(size(0), size(1), size(2), m_gizmos.get_scale());
+            update_scale_values(size, m_gizmos.get_scale());
+            update_rotation_value(volumes[0]->get_angle_z(), "z");
         }
 
         if ((m_gizmos.get_current_type() != Gizmos::Rotate) && (volumes.size() > 1))
@@ -3284,6 +3292,7 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
             case Gizmos::Scale:
             {
                 m_on_gizmo_scale_uniformly_callback.call((double)m_gizmos.get_scale());
+                Slic3r::GUI::update_settings_value();
                 break;
             }
             case Gizmos::Rotate:

xs/src/slic3r/GUI/GUI.cpp

@@ -38,6 +38,8 @@
 #include <wx/msgdlg.h>
 #include <wx/settings.h>
 #include <wx/display.h>
+#include <wx/collpane.h>
+#include <wx/wupdlock.h>
 
 #include "wxExtensions.hpp"
 
@@ -53,12 +55,15 @@
 #include "PresetBundle.hpp"
 #include "UpdateDialogs.hpp"
 #include "FirmwareDialog.hpp"
+#include "GUI_ObjectParts.hpp"
 
 #include "../Utils/PresetUpdater.hpp"
 #include "../Config/Snapshot.hpp"
 
 #include "3DScene.hpp"
 #include "libslic3r/I18N.hpp"
+#include "Model.hpp"
+#include "LambdaObjectDialog.hpp"
 
 namespace Slic3r { namespace GUI {
 
@@ -123,10 +128,26 @@ wxLocale*	g_wxLocale;
 wxFont		g_small_font;
 wxFont		g_bold_font;
 
-std::shared_ptr<ConfigOptionsGroup>	m_optgroup;
+std::vector <std::shared_ptr<ConfigOptionsGroup>> m_optgroups;
-double m_brim_width = 0.0;
+double		m_brim_width = 0.0;
+size_t		m_label_width = 100;
 wxButton*	g_wiping_dialog_button = nullptr;
 
+//showed/hided controls according to the view mode
+wxWindow	*g_right_panel = nullptr;
+wxBoxSizer	*g_frequently_changed_parameters_sizer = nullptr;
+wxBoxSizer	*g_expert_mode_part_sizer = nullptr;
+wxBoxSizer	*g_scrolled_window_sizer = nullptr;
+wxBoxSizer	*g_object_list_sizer = nullptr;
+wxButton	*g_btn_export_gcode = nullptr;
+wxButton	*g_btn_export_stl = nullptr;
+wxButton	*g_btn_reslice = nullptr;
+wxButton	*g_btn_print = nullptr;
+wxButton	*g_btn_send_gcode = nullptr;
+wxStaticBitmap	*g_manifold_warning_icon = nullptr;
+bool		g_show_print_info = false;
+bool		g_show_manifold_warning_icon = false;
+
 static void init_label_colours()
 {
 	auto luma = get_colour_approx_luma(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
@@ -206,6 +227,39 @@ void set_3DScene(_3DScene *scene)
 	g_3DScene = scene;
 }
 
+void set_objects_from_perl(	wxWindow* parent, wxBoxSizer *frequently_changed_parameters_sizer,
+							wxBoxSizer *expert_mode_part_sizer, wxBoxSizer *scrolled_window_sizer,
+							wxButton *btn_export_gcode,
+							wxButton *btn_export_stl, wxButton *btn_reslice, 
+							wxButton *btn_print, wxButton *btn_send_gcode,
+							wxStaticBitmap *manifold_warning_icon)
+{
+	g_right_panel = parent;
+	g_frequently_changed_parameters_sizer = frequently_changed_parameters_sizer;
+	g_expert_mode_part_sizer = expert_mode_part_sizer;
+	g_scrolled_window_sizer = scrolled_window_sizer;
+	g_btn_export_gcode = btn_export_gcode;
+	g_btn_export_stl = btn_export_stl;
+	g_btn_reslice = btn_reslice;
+	g_btn_print = btn_print;
+	g_btn_send_gcode = btn_send_gcode;
+	g_manifold_warning_icon = manifold_warning_icon;
+}
+
+void set_show_print_info(bool show)
+{
+	g_show_print_info = show;
+}
+
+void set_show_manifold_warning_icon(bool show)
+{
+	g_show_manifold_warning_icon = show;
+}
+
+void set_objects_list_sizer(wxBoxSizer *objects_list_sizer){
+	g_object_list_sizer = objects_list_sizer;
+}
+
 std::vector<Tab *>& get_tabs_list()
 {
 	return g_tabs_list;
@@ -332,10 +386,21 @@ enum ConfigMenuIDs {
 	ConfigMenuTakeSnapshot,
 	ConfigMenuUpdate,
 	ConfigMenuPreferences,
+	ConfigMenuModeSimple,
+	ConfigMenuModeExpert,
 	ConfigMenuLanguage,
 	ConfigMenuFlashFirmware,
 	ConfigMenuCnt,
 };
+	
+ConfigMenuIDs get_view_mode()
+{
+	if (!g_AppConfig->has("view_mode"))
+		return ConfigMenuModeSimple;
+
+	const auto mode = g_AppConfig->get("view_mode");
+	return mode == "expert" ? ConfigMenuModeExpert : ConfigMenuModeSimple;
+}
 
 static wxString dots("…", wxConvUTF8);
 
@@ -353,8 +418,15 @@ void add_config_menu(wxMenuBar *menu, int event_preferences_changed, int event_l
 // 	local_menu->Append(config_id_base + ConfigMenuUpdate, 		_(L("Check for updates")), 					_(L("Check for configuration updates")));
    	local_menu->AppendSeparator();
    	local_menu->Append(config_id_base + ConfigMenuPreferences, 	_(L("Preferences"))+dots+"\tCtrl+,", 		_(L("Application preferences")));
-   	local_menu->Append(config_id_base + ConfigMenuLanguage, 	_(L("Change Application Language")));
+	local_menu->AppendSeparator();
+	auto mode_menu = new wxMenu();
+	mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeSimple,	_(L("&Simple")),					_(L("Simple View Mode")));
+	mode_menu->AppendRadioItem(config_id_base + ConfigMenuModeExpert,	_(L("&Expert")),					_(L("Expert View Mode")));
+	mode_menu->Check(config_id_base + get_view_mode(), true);
+	local_menu->AppendSubMenu(mode_menu,						_(L("&Mode")), 								_(L("Slic3r View Mode")));
    	local_menu->AppendSeparator();
+	local_menu->Append(config_id_base + ConfigMenuLanguage,		_(L("Change Application Language")));
+	local_menu->AppendSeparator();
 	local_menu->Append(config_id_base + ConfigMenuFlashFirmware, _(L("Flash printer firmware")), _(L("Upload a firmware image into an Arduino based printer")));
 	// TODO: for when we're able to flash dictionaries
 	// local_menu->Append(config_id_base + FirmwareMenuDict,  _(L("Flash language file")),    _(L("Upload a language dictionary file into a Prusa printer")));
@@ -421,6 +493,13 @@ void add_config_menu(wxMenuBar *menu, int event_preferences_changed, int event_l
 			break;
 		}
 	});
+	mode_menu->Bind(wxEVT_MENU, [config_id_base](wxEvent& event) {
+		std::string mode =	event.GetId() - config_id_base == ConfigMenuModeExpert ?
+							"expert" : "simple";
+		g_AppConfig->set("view_mode", mode);
+		g_AppConfig->save();
+		update_mode();
+	});
 	menu->Append(local_menu, _(L("&Configuration")));
 }
 
@@ -429,6 +508,26 @@ void add_menus(wxMenuBar *menu, int event_preferences_changed, int event_languag
     add_config_menu(menu, event_preferences_changed, event_language_change);
 }
 
+void open_model(wxWindow *parent, wxArrayString& input_files){
+	t_file_wild_card vec_FILE_WILDCARDS = get_file_wild_card();
+	std::vector<std::string> file_types = { "known", "stl", "obj", "amf", "3mf", "prusa" };
+	wxString MODEL_WILDCARD;
+	for (auto file_type : file_types)
+		MODEL_WILDCARD += vec_FILE_WILDCARDS.at(file_type) + "|";
+
+	auto dlg_title = _(L("Choose one or more files (STL/OBJ/AMF/3MF/PRUSA):"));
+	auto dialog = new wxFileDialog(parent /*? parent : GetTopWindow(g_wxMainFrame)*/, dlg_title, 
+		g_AppConfig->get_last_dir(), "",
+		MODEL_WILDCARD, wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
+	if (dialog->ShowModal() != wxID_OK) {
+		dialog->Destroy();
+		return ;
+	}
+	
+	dialog->GetPaths(input_files);
+	dialog->Destroy();
+}
+
 // This is called when closing the application, when loading a config file or when starting the config wizard
 // to notify the user whether he is aware that some preset changes will be lost.
 bool check_unsaved_changes()
@@ -757,6 +856,22 @@ unsigned get_colour_approx_luma(const wxColour &colour)
 	));
 }
 
+wxWindow* get_right_panel(){
+	return g_right_panel;
+}
+
+wxFrame* get_main_frame() {
+	return g_wxMainFrame;
+}
+
+wxNotebook * get_tab_panel() {
+	return g_wxTabPanel;
+}
+
+const size_t& label_width(){
+	return m_label_width;
+}
+
 void create_combochecklist(wxComboCtrl* comboCtrl, std::string text, std::string items, bool initial_value)
 {
     if (comboCtrl == nullptr)
@@ -825,14 +940,37 @@ wxString from_u8(const std::string &str)
 	return wxString::FromUTF8(str.c_str());
 }
 
+void add_expert_mode_part(	wxWindow* parent, wxBoxSizer* sizer, 
+							Model &model,
+							int event_object_selection_changed,
+							int event_object_settings_changed,
+							int event_remove_object, 
+							int event_update_scene)
+{
+	set_event_object_selection_changed(event_object_selection_changed);
+	set_event_object_settings_changed(event_object_settings_changed);
+	set_event_remove_object(event_remove_object);
+	set_event_update_scene(event_update_scene);
+	set_objects_from_model(model);
+	init_mesh_icons();
+
+// 	wxWindowUpdateLocker noUpdates(parent);
+
+// 	add_objects_list(parent, sizer);
+
+// 	add_collapsible_panes(parent, sizer);
+}
 
 void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFlexGridSizer* preset_sizer)
 {
 	DynamicPrintConfig*	config = &g_PresetBundle->prints.get_edited_preset().config;
-	m_optgroup = std::make_shared<ConfigOptionsGroup>(parent, "", config);
+	std::shared_ptr<ConfigOptionsGroup> optgroup = std::make_shared<ConfigOptionsGroup>(parent, "", config);
 	const wxArrayInt& ar = preset_sizer->GetColWidths();
-	m_optgroup->label_width = ar.IsEmpty() ? 100 : ar.front()-4; // doesn't work
+	m_label_width = ar.IsEmpty() ? 100 : ar.front()-4;
-	m_optgroup->m_on_change = [config](t_config_option_key opt_key, boost::any value){
+	optgroup->label_width = m_label_width;
+
+	//Frequently changed parameters
+	optgroup->m_on_change = [config](t_config_option_key opt_key, boost::any value){
 		TabPrint* tab_print = nullptr;
 		for (size_t i = 0; i < g_wxTabPanel->GetPageCount(); ++i) {
 			Tab *tab = dynamic_cast<Tab*>(g_wxTabPanel->GetPage(i));
@@ -847,7 +985,7 @@ void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFl
 			return;
 
 		if (opt_key == "fill_density"){
-			value = m_optgroup->get_config_value(*config, opt_key);
+			value = m_optgroups[ogFrequentlyChangingParameters]->get_config_value(*config, opt_key);
 			tab_print->set_value(opt_key, value);
 			tab_print->update();
 		}
@@ -870,14 +1008,14 @@ void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFl
 			}
 			else{ //(opt_key == "support")
 				const wxString& selection = boost::any_cast<wxString>(value);
-				
+
 				auto support_material = selection == _("None") ? false : true;
 				new_conf.set_key_value("support_material", new ConfigOptionBool(support_material));
 
 				if (selection == _("Everywhere"))
 					new_conf.set_key_value("support_material_buildplate_only", new ConfigOptionBool(false));
 				else if (selection == _("Support on build plate only"))
-					new_conf.set_key_value("support_material_buildplate_only", new ConfigOptionBool(true));				
+					new_conf.set_key_value("support_material_buildplate_only", new ConfigOptionBool(true));
 			}
 			tab_print->load_config(new_conf);
 		}
@@ -885,10 +1023,10 @@ void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFl
 		tab_print->update_dirty();
 	};
 
-	Option option = m_optgroup->get_option("fill_density");
+	Option option = optgroup->get_option("fill_density");
 	option.opt.sidetext = "";
 	option.opt.full_width = true;
-	m_optgroup->append_single_option_line(option);
+	optgroup->append_single_option_line(option);
 
 	ConfigOptionDef def;
 
@@ -907,7 +1045,7 @@ void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFl
 	def.default_value = new ConfigOptionStrings { selection };
 	option = Option(def, "support");
 	option.opt.full_width = true;
-	m_optgroup->append_single_option_line(option);
+	optgroup->append_single_option_line(option);
 
 	m_brim_width = config->opt_float("brim_width");
 	def.label = L("Brim");
@@ -916,7 +1054,7 @@ void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFl
 	def.gui_type = "";
 	def.default_value = new ConfigOptionBool{ m_brim_width > 0.0 ? true : false };
 	option = Option(def, "brim");
-	m_optgroup->append_single_option_line(option);
+	optgroup->append_single_option_line(option);
 
 
     Line line = { "", "" };
@@ -942,16 +1080,93 @@ void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFl
 			}));
 			return sizer;
 		};
-		m_optgroup->append_line(line);
+		optgroup->append_line(line);
 
+	sizer->Add(optgroup->sizer, 0, wxEXPAND | wxBOTTOM, 2);
 
+	m_optgroups.push_back(optgroup);// ogFrequentlyChangingParameters
 
-	sizer->Add(m_optgroup->sizer, 1, wxEXPAND | wxBOTTOM, 2);
+	// Object List
+	add_objects_list(parent, sizer);
+
+	// Frequently Object Settings
+	add_object_settings(parent, sizer);
 }
 
-ConfigOptionsGroup* get_optgroup()
+void show_frequently_changed_parameters(bool show)
 {
-	return m_optgroup.get();
+	g_frequently_changed_parameters_sizer->Show(show);
+	if (!show) return;
+
+	for (size_t i = 0; i < g_wxTabPanel->GetPageCount(); ++i) {
+		Tab *tab = dynamic_cast<Tab*>(g_wxTabPanel->GetPage(i));
+		if (!tab)
+			continue;
+		tab->update_wiping_button_visibility();
+		break;
+	}
+}
+
+void show_buttons(bool show)
+{
+	g_btn_export_stl->Show(show);
+	g_btn_reslice->Show(show);
+	for (size_t i = 0; i < g_wxTabPanel->GetPageCount(); ++i) {
+		TabPrinter *tab = dynamic_cast<TabPrinter*>(g_wxTabPanel->GetPage(i));
+		if (!tab)
+			continue;
+		g_btn_print->Show(show && !tab->m_config->opt_string("serial_port").empty());
+		g_btn_send_gcode->Show(show && !tab->m_config->opt_string("octoprint_host").empty());
+		break;
+	}
+}
+
+void show_info_sizer(bool show)
+{
+	g_scrolled_window_sizer->Show(static_cast<size_t>(0), show); 
+	g_scrolled_window_sizer->Show(1, show && g_show_print_info);
+	g_manifold_warning_icon->Show(show && g_show_manifold_warning_icon);
+}
+
+void update_mode()
+{
+	wxWindowUpdateLocker noUpdates(g_right_panel);
+
+	// TODO There is a not the best place of it!
+	//*** Update style of the "Export G-code" button****
+	if (g_btn_export_gcode->GetFont() != bold_font()){
+		g_btn_export_gcode->SetBackgroundColour(wxColour(252, 77, 1));
+		g_btn_export_gcode->SetFont(bold_font());
+	}
+	// ***********************************
+
+	ConfigMenuIDs mode = get_view_mode();
+
+// 	show_frequently_changed_parameters(mode >= ConfigMenuModeRegular);
+// 	g_expert_mode_part_sizer->Show(mode == ConfigMenuModeExpert);
+	g_object_list_sizer->Show(mode == ConfigMenuModeExpert);
+	show_info_sizer(mode == ConfigMenuModeExpert);
+	show_buttons(mode == ConfigMenuModeExpert);
+
+	// TODO There is a not the best place of it!
+	// *** Update showing of the collpane_settings
+// 	show_collpane_settings(mode == ConfigMenuModeExpert);
+	// *************************
+	g_right_panel->GetParent()->Layout();
+	g_right_panel->Layout();
+}
+
+bool is_expert_mode(){
+	return get_view_mode() == ConfigMenuModeExpert;
+}
+
+ConfigOptionsGroup* get_optgroup(size_t i)
+{
+	return m_optgroups[i].get();
+}
+
+std::vector <std::shared_ptr<ConfigOptionsGroup>>& get_optgroups() {
+	return m_optgroups;
 }
 
 wxButton* get_wiping_dialog_button()

xs/src/slic3r/GUI/GUI.hpp

@@ -5,6 +5,7 @@
 #include <vector>
 #include "PrintConfig.hpp"
 #include "../../libslic3r/Utils.hpp"
+#include "GUI_ObjectParts.hpp"
 
 #include <wx/intl.h>
 #include <wx/string.h>
@@ -12,7 +13,6 @@
 class wxApp;
 class wxWindow;
 class wxFrame;
-class wxFont;
 class wxMenuBar;
 class wxNotebook;
 class wxComboCtrl;
@@ -24,6 +24,8 @@ class wxBoxSizer;
 class wxFlexGridSizer;
 class wxButton;
 class wxFileDialog;
+class wxStaticBitmap;
+class wxFont;
 
 namespace Slic3r { 
 
@@ -67,15 +69,15 @@ typedef std::map<std::string, std::string> t_file_wild_card;
 inline t_file_wild_card& get_file_wild_card() {
 	static t_file_wild_card FILE_WILDCARDS;
 	if (FILE_WILDCARDS.empty()){
-		FILE_WILDCARDS["known"] = "Known files (*.stl, *.obj, *.amf, *.xml, *.prusa)|*.stl;*.STL;*.obj;*.OBJ;*.amf;*.AMF;*.xml;*.XML;*.prusa;*.PRUSA";
+		FILE_WILDCARDS["known"]	= "Known files (*.stl, *.obj, *.amf, *.xml, *.prusa)|*.stl;*.STL;*.obj;*.OBJ;*.amf;*.AMF;*.xml;*.XML;*.prusa;*.PRUSA";
-		FILE_WILDCARDS["stl"] = "STL files (*.stl)|*.stl;*.STL";
+		FILE_WILDCARDS["stl"]	= "STL files (*.stl)|*.stl;*.STL";
-		FILE_WILDCARDS["obj"] = "OBJ files (*.obj)|*.obj;*.OBJ";
+		FILE_WILDCARDS["obj"]	= "OBJ files (*.obj)|*.obj;*.OBJ";
-        FILE_WILDCARDS["amf"] = "AMF files (*.amf)|*.zip.amf;*.amf;*.AMF;*.xml;*.XML";
+        FILE_WILDCARDS["amf"]	= "AMF files (*.amf)|*.zip.amf;*.amf;*.AMF;*.xml;*.XML";
-        FILE_WILDCARDS["3mf"] = "3MF files (*.3mf)|*.3mf;*.3MF;";
+        FILE_WILDCARDS["3mf"]	= "3MF files (*.3mf)|*.3mf;*.3MF;";
-        FILE_WILDCARDS["prusa"] = "Prusa Control files (*.prusa)|*.prusa;*.PRUSA";
+        FILE_WILDCARDS["prusa"]	= "Prusa Control files (*.prusa)|*.prusa;*.PRUSA";
-		FILE_WILDCARDS["ini"] = "INI files *.ini|*.ini;*.INI";
+		FILE_WILDCARDS["ini"]	= "INI files *.ini|*.ini;*.INI";
 		FILE_WILDCARDS["gcode"] = "G-code files (*.gcode, *.gco, *.g, *.ngc)|*.gcode;*.GCODE;*.gco;*.GCO;*.g;*.G;*.ngc;*.NGC";
-		FILE_WILDCARDS["svg"] = "SVG files *.svg|*.svg;*.SVG";
+		FILE_WILDCARDS["svg"]	= "SVG files *.svg|*.svg;*.SVG";
 	}
 	return FILE_WILDCARDS;
 }
@@ -100,11 +102,26 @@ void set_app_config(AppConfig *app_config);
 void set_preset_bundle(PresetBundle *preset_bundle);
 void set_preset_updater(PresetUpdater *updater);
 void set_3DScene(_3DScene *scene);
+void set_objects_from_perl(	wxWindow* parent,
+							wxBoxSizer *frequently_changed_parameters_sizer,
+							wxBoxSizer *expert_mode_part_sizer,
+							wxBoxSizer *scrolled_window_sizer,
+							wxButton *btn_export_gcode,
+							wxButton *btn_export_stl,
+							wxButton *btn_reslice,
+							wxButton *btn_print,
+							wxButton *btn_send_gcode,
+							wxStaticBitmap *manifold_warning_icon);
+void set_show_print_info(bool show);
+void set_show_manifold_warning_icon(bool show);
+void set_objects_list_sizer(wxBoxSizer *objects_list_sizer);
 
-AppConfig*	get_app_config();
+AppConfig*		get_app_config();
-wxApp*		get_app();
+wxApp*			get_app();
-PresetBundle* get_preset_bundle();
+PresetBundle*	get_preset_bundle();
-wxNotebook* get_tab_panel();
+wxFrame*		get_main_frame();
+wxNotebook *	get_tab_panel();
+wxNotebook*		get_tab_panel();
 
 const wxColour& get_label_clr_modified();
 const wxColour& get_label_clr_sys();
@@ -116,6 +133,11 @@ void set_label_clr_sys(const wxColour& clr);
 const wxFont& small_font();
 const wxFont& bold_font();
 
+void open_model(wxWindow *parent, wxArrayString& input_files);
+
+wxWindow*			get_right_panel();
+const size_t&		label_width();
+
 Tab*         get_tab(const std::string& name);
 const std::vector<PresetTab>& get_preset_tabs();
 
@@ -161,6 +183,8 @@ void save_language();
 void get_installed_languages(wxArrayString & names, wxArrayLong & identifiers);
 // select language from the list of installed languages
 bool select_language(wxArrayString & names, wxArrayLong & identifiers);
+// update right panel of the Plater according to view mode
+void update_mode();
 
 std::vector<Tab *>& get_tabs_list();
 bool checked_tab(Tab* tab);
@@ -180,13 +204,22 @@ wxString	L_str(const std::string &str);
 // Return wxString from std::string in UTF8
 wxString	from_u8(const std::string &str);
 
-
+void add_expert_mode_part(	wxWindow* parent, wxBoxSizer* sizer, 
+							Model &model,
+							int event_object_selection_changed,
+							int event_object_settings_changed,
+							int event_remove_object, 
+							int event_update_scene);
 void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFlexGridSizer* preset_sizer);
+// Update view mode according to selected menu 
+void update_mode();
+bool is_expert_mode();
 
 // Callback to trigger a configuration update timer on the Plater.
 static PerlCallback g_on_request_update_callback;
  
-ConfigOptionsGroup* get_optgroup();
+ConfigOptionsGroup* get_optgroup(size_t i); 
+std::vector <std::shared_ptr<ConfigOptionsGroup>>& get_optgroups();
 wxButton*			get_wiping_dialog_button();
 
 void add_export_option(wxFileDialog* dlg, const std::string& format);

xs/src/slic3r/GUI/GUI_ObjectParts.hpp

@@ -0,0 +1,126 @@
+#ifndef slic3r_GUI_ObjectParts_hpp_
+#define slic3r_GUI_ObjectParts_hpp_
+
+class wxWindow;
+class wxSizer;
+class wxBoxSizer;
+class wxString;
+class wxArrayString;
+class wxMenu;
+class wxDataViewEvent;
+class wxKeyEvent;
+
+namespace Slic3r {
+class ModelObject;
+class Model;
+
+namespace GUI {
+
+enum ogGroup{
+	ogFrequentlyChangingParameters,
+	ogFrequentlyObjectSettings,
+	ogCurrentSettings
+// 	ogObjectSettings,
+// 	ogObjectMovers,
+// 	ogPartSettings
+};
+
+enum LambdaTypeIDs{
+	LambdaTypeBox,
+	LambdaTypeCylinder,
+	LambdaTypeSphere,
+	LambdaTypeSlab
+};
+
+struct OBJECT_PARAMETERS
+{
+	LambdaTypeIDs	type = LambdaTypeBox;
+	double			dim[3];// = { 1.0, 1.0, 1.0 };
+	int				cyl_r = 1;
+	int				cyl_h = 1;
+	double			sph_rho = 1.0;
+	double			slab_h = 1.0;
+	double			slab_z = 0.0;
+};
+
+void add_collapsible_panes(wxWindow* parent, wxBoxSizer* sizer);
+void add_objects_list(wxWindow* parent, wxBoxSizer* sizer);
+void add_object_settings(wxWindow* parent, wxBoxSizer* sizer);
+void show_collpane_settings(bool expert_mode);
+
+wxMenu *create_add_settings_popupmenu(bool is_part);
+wxMenu *create_add_part_popupmenu();
+wxMenu *create_part_settings_popupmenu();
+
+// Add object to the list
+//void add_object(const std::string &name);
+void add_object_to_list(const std::string &name, ModelObject* model_object);
+// Delete object from the list
+void delete_object_from_list();
+// Delete all objects from the list
+void delete_all_objects_from_list();
+// Set count of object on c++ side
+void set_object_count(int idx, int count);
+// Set object scale on c++ side
+void set_object_scale(int idx, int scale);
+// Unselect all objects in the list on c++ side
+void unselect_objects();
+// Select current object in the list on c++ side
+void select_current_object(int idx);
+// Remove objects/sub-object from the list
+void remove();
+
+void object_ctrl_selection_changed();
+void object_ctrl_context_menu();
+void object_ctrl_key_event(wxKeyEvent& event);
+void object_ctrl_item_value_change(wxDataViewEvent& event);
+void show_context_menu();
+
+void init_mesh_icons();
+void set_event_object_selection_changed(const int& event);
+void set_event_object_settings_changed(const int& event); 
+void set_event_remove_object(const int& event);
+void set_event_update_scene(const int& event);
+void set_objects_from_model(Model &model);
+
+bool is_parts_changed();
+bool is_part_settings_changed();
+
+void load_part(	wxWindow* parent, ModelObject* model_object, 
+				wxArrayString& part_names, const bool is_modifier); 
+
+void load_lambda(wxWindow* parent, ModelObject* model_object, 
+				wxArrayString& part_names, const bool is_modifier);
+
+void on_btn_load(wxWindow* parent, bool is_modifier = false, bool is_lambda = false);
+void on_btn_del();
+void on_btn_split(const bool split_part);
+void on_btn_move_up();
+void on_btn_move_down();
+
+void parts_changed(int obj_idx);
+void part_selection_changed();
+
+void update_settings_value();
+// show/hide "Extruder" column for Objects List
+void set_extruder_column_hidden(bool hide);
+// update extruder in current config
+void update_extruder_in_config(const wxString& selection);
+// update scale values after scale unit changing or "gizmos"
+void update_scale_values();
+void update_scale_values(const Pointf3& size, float scale);
+// update rotation values object selection changing
+void update_rotation_values();
+// update rotation value after "gizmos"
+void update_rotation_value(const double angle, const std::string& axis);
+
+void on_begin_drag(wxDataViewEvent &event);
+void on_drop_possible(wxDataViewEvent &event);
+void on_drop(wxDataViewEvent &event);
+
+// update extruder column for objects_ctrl according to extruders count
+void update_objects_list_extruder_column(const int extruders_count);
+
+} //namespace GUI
+} //namespace Slic3r 
+#endif  //slic3r_GUI_ObjectParts_hpp_

xs/src/slic3r/GUI/LambdaObjectDialog.cpp

@@ -0,0 +1,176 @@
+#include "LambdaObjectDialog.hpp"
+
+#include <wx/window.h>
+#include <wx/button.h>
+#include "OptionsGroup.hpp"
+
+namespace Slic3r
+{
+namespace GUI
+{
+static wxString dots("…", wxConvUTF8);
+
+LambdaObjectDialog::LambdaObjectDialog(wxWindow* parent)
+{
+	Create(parent, wxID_ANY, _(L("Lambda Object")),
+		wxDefaultPosition, wxDefaultSize,
+		wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER);
+
+	// instead of double dim[3] = { 1.0, 1.0, 1.0 };
+	object_parameters.dim[0] = 1.0;
+	object_parameters.dim[1] = 1.0;
+	object_parameters.dim[2] = 1.0;
+
+	sizer = new wxBoxSizer(wxVERTICAL);
+
+	// modificator options
+	m_modificator_options_book = new wxChoicebook(	this, wxID_ANY, wxDefaultPosition, 
+													wxDefaultSize, wxCHB_TOP);
+	sizer->Add(m_modificator_options_book, 1, wxEXPAND| wxALL, 10);
+
+	auto optgroup = init_modificator_options_page(_(L("Box")));
+		optgroup->m_on_change = [this](t_config_option_key opt_key, boost::any value){
+			int opt_id =	opt_key == "l" ? 0 :
+							opt_key == "w" ? 1 : 
+							opt_key == "h" ? 2 : -1;
+			if (opt_id < 0) return;
+			object_parameters.dim[opt_id] = boost::any_cast<double>(value);
+		};
+
+		ConfigOptionDef def;
+		def.width = 70;
+		def.type = coFloat;
+		def.default_value = new ConfigOptionFloat{ 1.0 };
+		def.label = L("L");
+		Option option(def, "l");
+		optgroup->append_single_option_line(option);
+		
+		def.label = L("W");
+		option = Option(def, "w");
+		optgroup->append_single_option_line(option);
+		
+		def.label = L("H");
+		option = Option(def, "h");
+		optgroup->append_single_option_line(option);
+
+	optgroup = init_modificator_options_page(_(L("Cylinder")));
+		optgroup->m_on_change = [this](t_config_option_key opt_key, boost::any value){
+			int val = boost::any_cast<int>(value);
+			if (opt_key == "cyl_r")
+				object_parameters.cyl_r = val;
+			else if (opt_key == "cyl_h")
+				object_parameters.cyl_h = val;
+			else return;
+		};
+
+		def.type = coInt;
+		def.default_value = new ConfigOptionInt{ 1 };
+		def.label = L("Radius");
+		option = Option(def, "cyl_r");
+		optgroup->append_single_option_line(option);
+
+		def.label = L("Height");
+		option = Option(def, "cyl_h");
+		optgroup->append_single_option_line(option);
+
+	optgroup = init_modificator_options_page(_(L("Sphere")));
+		optgroup->m_on_change = [this](t_config_option_key opt_key, boost::any value){
+			if (opt_key == "sph_rho")
+				object_parameters.sph_rho = boost::any_cast<double>(value);
+			else return;
+		};
+
+		def.type = coFloat;
+		def.default_value = new ConfigOptionFloat{ 1.0 };
+		def.label = L("Rho");
+		option = Option(def, "sph_rho");
+		optgroup->append_single_option_line(option);
+
+	optgroup = init_modificator_options_page(_(L("Slab")));
+		optgroup->m_on_change = [this](t_config_option_key opt_key, boost::any value){
+			double val = boost::any_cast<double>(value);
+			if (opt_key == "slab_z")
+				object_parameters.slab_z = val;
+			else if (opt_key == "slab_h")
+				object_parameters.slab_h = val;
+			else return;
+		};
+
+		def.label = L("H");
+		option = Option(def, "slab_h");
+		optgroup->append_single_option_line(option);
+
+		def.label = L("Initial Z");
+		option = Option(def, "slab_z");
+		optgroup->append_single_option_line(option);
+
+	Bind(wxEVT_CHOICEBOOK_PAGE_CHANGED, ([this](wxCommandEvent e)
+	{
+		auto page_idx = m_modificator_options_book->GetSelection();
+		if (page_idx < 0) return;
+		switch (page_idx)
+		{
+		case 0:
+			object_parameters.type = LambdaTypeBox;
+			break;
+		case 1:
+			object_parameters.type = LambdaTypeCylinder;
+			break;
+		case 2:
+			object_parameters.type = LambdaTypeSphere;
+			break;
+		case 3:
+			object_parameters.type = LambdaTypeSlab;
+			break;
+		default:
+			break;
+		}
+	}));
+
+
+	auto button_sizer = CreateStdDialogButtonSizer(wxOK | wxCANCEL);
+
+	wxButton* btn_OK = static_cast<wxButton*>(FindWindowById(wxID_OK, this));
+	btn_OK->Bind(wxEVT_BUTTON, [this](wxCommandEvent&) {
+		// validate user input
+		if (!CanClose())return;
+		EndModal(wxID_OK);
+		Destroy();
+	});
+
+	wxButton* btn_CANCEL = static_cast<wxButton*>(FindWindowById(wxID_CANCEL, this));
+	btn_CANCEL->Bind(wxEVT_BUTTON, [this](wxCommandEvent&) {
+		// validate user input
+		if (!CanClose())return;
+		EndModal(wxID_CANCEL);
+		Destroy();
+	});
+
+	sizer->Add(button_sizer, 0, wxALIGN_CENTER_HORIZONTAL | wxBOTTOM, 10);
+
+	SetSizer(sizer);
+	sizer->Fit(this);
+	sizer->SetSizeHints(this);
+}
+
+// Called from the constructor.
+// Create a panel for a rectangular / circular / custom bed shape.
+ConfigOptionsGroupShp LambdaObjectDialog::init_modificator_options_page(wxString title){
+
+	auto panel = new wxPanel(m_modificator_options_book);
+
+	ConfigOptionsGroupShp optgroup;
+	optgroup = std::make_shared<ConfigOptionsGroup>(panel, _(L("Add")) + " " +title + " " +dots);
+	optgroup->label_width = 100;
+
+	m_optgroups.push_back(optgroup);
+
+	panel->SetSizerAndFit(optgroup->sizer);
+	m_modificator_options_book->AddPage(panel, title);
+
+	return optgroup;
+}
+
+
+} //namespace GUI
+} //namespace Slic3r 

xs/src/slic3r/GUI/LambdaObjectDialog.hpp

@@ -0,0 +1,35 @@
+#ifndef slic3r_LambdaObjectDialog_hpp_
+#define slic3r_LambdaObjectDialog_hpp_
+
+#include "GUI.hpp"
+
+#include <wx/dialog.h>
+#include <wx/sizer.h>
+#include <wx/choicebk.h>
+
+namespace Slic3r
+{
+namespace GUI
+{
+using ConfigOptionsGroupShp = std::shared_ptr<ConfigOptionsGroup>;
+class LambdaObjectDialog : public wxDialog
+{
+	wxChoicebook*	m_modificator_options_book;
+	std::vector <ConfigOptionsGroupShp>	m_optgroups;
+public:
+	LambdaObjectDialog(wxWindow* parent);
+	~LambdaObjectDialog(){}
+
+	bool CanClose() { return true; }	// ???
+	OBJECT_PARAMETERS& ObjectParameters(){ return object_parameters; }
+
+	ConfigOptionsGroupShp init_modificator_options_page(wxString title);
+	
+	// Note whether the window was already closed, so a pending update is not executed.
+	bool m_already_closed = false;
+	OBJECT_PARAMETERS object_parameters;
+	wxBoxSizer* sizer = nullptr;
+};
+} //namespace GUI
+} //namespace Slic3r 
+#endif  //slic3r_LambdaObjectDialog_hpp_

xs/src/slic3r/GUI/OptionsGroup.cpp

@@ -30,6 +30,7 @@ const t_field& OptionsGroup::build_field(const t_config_option_key& id, const Co
                 opt.gui_type.compare("i_enum_closed") == 0) {
 		m_fields.emplace(id, STDMOVE(Choice::Create<Choice>(parent(), opt, id)));
     } else if (opt.gui_type.compare("slider") == 0) {
+		m_fields.emplace(id, STDMOVE(SliderCtrl::Create<SliderCtrl>(parent(), opt, id)));
     } else if (opt.gui_type.compare("i_spin") == 0) { // Spinctrl
     } else if (opt.gui_type.compare("legend") == 0) { // StaticText
 		m_fields.emplace(id, STDMOVE(StaticText::Create<StaticText>(parent(), opt, id)));
@@ -88,17 +89,23 @@ const t_field& OptionsGroup::build_field(const t_config_option_key& id, const Co
 		if (!this->m_disabled)
 			this->back_to_sys_value(opt_id);
 	};
-	if (!m_show_modified_btns) {
-		field->m_Undo_btn->Hide();
-		field->m_Undo_to_sys_btn->Hide();
-	}
-//	if (nonsys_btn_icon != nullptr)
-//		field->set_nonsys_btn_icon(*nonsys_btn_icon);
     
 	// assign function objects for callbacks, etc.
     return field;
 }
 
+void OptionsGroup::add_undo_buttuns_to_sizer(wxSizer* sizer, const t_field& field)
+{
+	if (!m_show_modified_btns) {
+		field->m_Undo_btn->Hide();
+		field->m_Undo_to_sys_btn->Hide();
+		return;
+	}
+
+	sizer->Add(field->m_Undo_to_sys_btn, 0, wxALIGN_CENTER_VERTICAL);
+	sizer->Add(field->m_Undo_btn, 0, wxALIGN_CENTER_VERTICAL);
+}
+
 void OptionsGroup::append_line(const Line& line, wxStaticText**	colored_Label/* = nullptr*/) {
 //!    if (line.sizer != nullptr || (line.widget != nullptr && line.full_width > 0)){
 	if ( (line.sizer != nullptr || line.widget != nullptr) && line.full_width){
@@ -133,8 +140,7 @@ void OptionsGroup::append_line(const Line& line, wxStaticText**	colored_Label/*
 		const auto& field = build_field(option);
 
 		auto btn_sizer = new wxBoxSizer(wxHORIZONTAL);
-		btn_sizer->Add(field->m_Undo_to_sys_btn);
+		add_undo_buttuns_to_sizer(btn_sizer, field);
-		btn_sizer->Add(field->m_Undo_btn);
 		tmp_sizer->Add(btn_sizer, 0, wxEXPAND | wxALL, 0);
 		if (is_window_field(field))
 			tmp_sizer->Add(field->getWindow(), 0, wxEXPAND | wxALL, wxOSX ? 0 : 5);
@@ -149,6 +155,18 @@ void OptionsGroup::append_line(const Line& line, wxStaticText**	colored_Label/*
         m_panel->Layout();
 #endif /* __WXGTK__ */
 
+	// if we have an extra column, build it
+	if (extra_column) {
+		if (extra_column) {
+			grid_sizer->Add(extra_column(parent(), line), 0, wxALIGN_CENTER_VERTICAL, 0);
+		}
+		else {
+			// if the callback provides no sizer for the extra cell, put a spacer
+			grid_sizer->AddSpacer(1);
+		}
+	}
+
+
     // Build a label if we have it
 	wxStaticText* label=nullptr;
     if (label_width != 0) {
@@ -163,7 +181,8 @@ void OptionsGroup::append_line(const Line& line, wxStaticText**	colored_Label/*
 							wxDefaultPosition, wxSize(label_width, -1), label_style);
         label->SetFont(label_font);
         label->Wrap(label_width); // avoid a Linux/GTK bug
-		grid_sizer->Add(label, 0, (staticbox ? 0 : wxALIGN_RIGHT | wxRIGHT) | wxALIGN_CENTER_VERTICAL, 5);
+		grid_sizer->Add(label, 0, (staticbox ? 0 : wxALIGN_RIGHT | wxRIGHT) | 
+						(m_flag == ogSIDE_OPTIONS_VERTICAL ? wxTOP : wxALIGN_CENTER_VERTICAL), 5);
 		if (line.label_tooltip.compare("") != 0)
 			label->SetToolTip(line.label_tooltip);
     }
@@ -177,28 +196,35 @@ void OptionsGroup::append_line(const Line& line, wxStaticText**	colored_Label/*
 		return;
 	}
 	
-	// if we have a single option with no sidetext just add it directly to the grid sizer
+	// If we're here, we have more than one option or a single option with sidetext
-	auto sizer = new wxBoxSizer(wxHORIZONTAL);
+    // so we need a horizontal sizer to arrange these things
-	grid_sizer->Add(sizer, 0, wxEXPAND | (staticbox ? wxALL : wxBOTTOM|wxTOP|wxLEFT), staticbox ? 0 : 1);
+	auto sizer = new wxBoxSizer(m_flag == ogSIDE_OPTIONS_VERTICAL ? wxVERTICAL : wxHORIZONTAL);
+	grid_sizer->Add(sizer, 0, wxEXPAND | (staticbox ? wxALL : wxBOTTOM | wxTOP | wxLEFT), staticbox ? 0 : 1);
+	// If we have a single option with no sidetext just add it directly to the grid sizer
 	if (option_set.size() == 1 && option_set.front().opt.sidetext.size() == 0 &&
 		option_set.front().side_widget == nullptr && line.get_extra_widgets().size() == 0) {
 		const auto& option = option_set.front();
 		const auto& field = build_field(option, label);
 
-		sizer->Add(field->m_Undo_to_sys_btn, 0, wxALIGN_CENTER_VERTICAL); 
+		add_undo_buttuns_to_sizer(sizer, field);
-		sizer->Add(field->m_Undo_btn, 0, wxALIGN_CENTER_VERTICAL);
 		if (is_window_field(field)) 
 			sizer->Add(field->getWindow(), option.opt.full_width ? 1 : 0, (option.opt.full_width ? wxEXPAND : 0) |
 							wxBOTTOM | wxTOP | wxALIGN_CENTER_VERTICAL, (wxOSX||!staticbox) ? 0 : 2);
 		if (is_sizer_field(field)) 
-			sizer->Add(field->getSizer(), 0, (option.opt.full_width ? wxEXPAND : 0) | wxALIGN_CENTER_VERTICAL, 0);
+			sizer->Add(field->getSizer(), 1, (option.opt.full_width ? wxEXPAND : 0) | wxALIGN_CENTER_VERTICAL, 0);
 		return;
 	}
 
-    // if we're here, we have more than one option or a single option with sidetext
+    for (auto opt : option_set) {
-    // so we need a horizontal sizer to arrange these things
-	for (auto opt : option_set) {
 		ConfigOptionDef option = opt.opt;
+		wxSizer* sizer_tmp;
+		if (m_flag == ogSIDE_OPTIONS_VERTICAL){
+			auto sz = new wxFlexGridSizer(1, 3, 2, 2);
+			sz->RemoveGrowableCol(2);
+			sizer_tmp = sz;
+		}
+    	else
+    		sizer_tmp = sizer;
 		// add label if any
 		if (option.label != "") {
 			wxString str_label = _(option.label);
@@ -208,34 +234,38 @@ void OptionsGroup::append_line(const Line& line, wxStaticText**	colored_Label/*
 // 								L_str(option.label);
 			label = new wxStaticText(parent(), wxID_ANY, str_label + ":", wxDefaultPosition, wxDefaultSize);
 			label->SetFont(label_font);
-			sizer->Add(label, 0, wxALIGN_CENTER_VERTICAL, 0);
+			sizer_tmp->Add(label, 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL, 0);
 		}
 
 		// add field
 		const Option& opt_ref = opt;
 		auto& field = build_field(opt_ref, label);
-		sizer->Add(field->m_Undo_to_sys_btn, 0, wxALIGN_CENTER_VERTICAL);
+		add_undo_buttuns_to_sizer(sizer_tmp, field);
-		sizer->Add(field->m_Undo_btn, 0, wxALIGN_CENTER_VERTICAL, 0);
 		is_sizer_field(field) ? 
-			sizer->Add(field->getSizer(), 0, wxALIGN_CENTER_VERTICAL, 0) :
+			sizer_tmp->Add(field->getSizer(), 0, wxALIGN_CENTER_VERTICAL, 0) :
-			sizer->Add(field->getWindow(), 0, wxALIGN_CENTER_VERTICAL, 0);
+			sizer_tmp->Add(field->getWindow(), 0, wxALIGN_CENTER_VERTICAL, 0);
 		
 		// add sidetext if any
 		if (option.sidetext != "") {
-			auto sidetext = new wxStaticText(parent(), wxID_ANY, _(option.sidetext), wxDefaultPosition, wxDefaultSize);
+			auto sidetext = new wxStaticText(	parent(), wxID_ANY, _(option.sidetext), wxDefaultPosition, 
+												wxSize(sidetext_width, -1)/*wxDefaultSize*/, wxALIGN_LEFT);
 			sidetext->SetFont(sidetext_font);
-			sizer->Add(sidetext, 0, wxLEFT | wxALIGN_CENTER_VERTICAL, 4);
+			sizer_tmp->Add(sidetext, 0, wxLEFT | wxALIGN_CENTER_VERTICAL, m_flag == ogSIDE_OPTIONS_VERTICAL ? 0 : 4);
+			field->set_side_text_ptr(sidetext);
 		}
 
 		// add side widget if any
 		if (opt.side_widget != nullptr) {
-			sizer->Add(opt.side_widget(parent())/*!.target<wxWindow>()*/, 0, wxLEFT | wxALIGN_CENTER_VERTICAL, 1);	//! requires verification
+			sizer_tmp->Add(opt.side_widget(parent())/*!.target<wxWindow>()*/, 0, wxLEFT | wxALIGN_CENTER_VERTICAL, 1);	//! requires verification
 		}
 
-		if (opt.opt_id != option_set.back().opt_id) //! istead of (opt != option_set.back())
+		if (opt.opt_id != option_set.back().opt_id && m_flag != ogSIDE_OPTIONS_VERTICAL) //! istead of (opt != option_set.back())
 		{
-			sizer->AddSpacer(6);
+			sizer_tmp->AddSpacer(6);
 	    }
+
+		if (m_flag == ogSIDE_OPTIONS_VERTICAL)
+			sizer->Add(sizer_tmp, 0, wxALIGN_RIGHT|wxALL, 0);
 	}
 	// add extra sizers if any
 	for (auto extra_widget : line.get_extra_widgets()) {
@@ -259,7 +289,7 @@ void OptionsGroup::on_change_OG(const t_config_option_key& opt_id, const boost::
 Option ConfigOptionsGroup::get_option(const std::string& opt_key, int opt_index /*= -1*/)
 {
 	if (!m_config->has(opt_key)) {
-		std::cerr << "No " << opt_key << " in ConfigOptionsGroup config.";
+		std::cerr << "No " << opt_key << " in ConfigOptionsGroup config.\n";
 	}
 
 	std::string opt_id = opt_index == -1 ? opt_key : opt_key + "#" + std::to_string(opt_index);

xs/src/slic3r/GUI/OptionsGroup.hpp

@@ -26,9 +26,13 @@
 
 namespace Slic3r { namespace GUI {
 
+enum ogDrawFlag{
+	ogDEFAULT,
+	ogSIDE_OPTIONS_VERTICAL
+};
+
 /// Widget type describes a function object that returns a wxWindow (our widget) and accepts a wxWidget (parent window).
 using widget_t = std::function<wxSizer*(wxWindow*)>;//!std::function<wxWindow*(wxWindow*)>;
-using column_t = std::function<wxSizer*(const Line&)>;
 
 //auto default_label_clr = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT); //GetSystemColour
 //auto modified_label_clr = *new wxColour(254, 189, 101);
@@ -71,10 +75,13 @@ private:
     std::vector<widget_t>	m_extra_widgets;//! {std::vector<widget_t>()};
 };
 
+using column_t = std::function<wxWindow*(wxWindow* parent, const Line&)>;//std::function<wxSizer*(const Line&)>;
+
 using t_optionfield_map = std::map<t_config_option_key, t_field>;
 using t_opt_map = std::map< std::string, std::pair<std::string, int> >;
 
 class OptionsGroup {
+	wxStaticBox*	stb;
 public:
     const bool		staticbox {true};
     const wxString	title {wxString("")};
@@ -88,8 +95,7 @@ public:
 
     wxFont			sidetext_font {wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) };
     wxFont			label_font {wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) };
-
+	int				sidetext_width{ -1 };
-//	std::function<const wxBitmap&()>	nonsys_btn_icon{ nullptr };
 
     /// Returns a copy of the pointer of the parent wxWindow.
     /// Accessor function is because users are not allowed to change the parent
@@ -101,6 +107,11 @@ public:
 		return m_parent;
 #endif /* __WXGTK__ */
     }
+#ifdef __WXGTK__
+    wxWindow* get_parent() const {
+        return m_parent;
+    }
+#endif /* __WXGTK__ */
 
 	void		append_line(const Line& line, wxStaticText** colored_Label = nullptr);
     Line		create_single_option_line(const Option& option) const;
@@ -124,23 +135,39 @@ public:
 							return out;
     }
 
+	bool			set_side_text(const t_config_option_key& opt_key, const wxString& side_text) {
+							if (m_fields.find(opt_key) == m_fields.end()) return false;
+							auto st = m_fields.at(opt_key)->m_side_text;
+							if (!st) return false;
+							st->SetLabel(side_text);
+							return true;
+    }
+
+	void			set_name(const wxString& new_name) {
+							stb->SetLabel(new_name);
+    }
+
 	inline void		enable() { for (auto& field : m_fields) field.second->enable(); }
     inline void		disable() { for (auto& field : m_fields) field.second->disable(); }
+	void			set_flag(ogDrawFlag flag) { m_flag = flag; }
+	void			set_grid_vgap(int gap) { m_grid_sizer->SetVGap(gap); }
 
 	void set_show_modified_btns_val(bool show) {
 		m_show_modified_btns = show;
     }
 
-    OptionsGroup(wxWindow* _parent, const wxString& title, bool is_tab_opt=false) : 
+	OptionsGroup(	wxWindow* _parent, const wxString& title, bool is_tab_opt = false, 
-		m_parent(_parent), title(title), m_show_modified_btns(is_tab_opt), staticbox(title!="") {
+					ogDrawFlag flag = ogDEFAULT, column_t extra_clmn = nullptr) :
-		auto stb = new wxStaticBox(_parent, wxID_ANY, title);
+					m_parent(_parent), title(title), m_show_modified_btns(is_tab_opt),
+					staticbox(title!=""), m_flag(flag), extra_column(extra_clmn){
+		stb = new wxStaticBox(_parent, wxID_ANY, title);
 		stb->SetFont(bold_font());
-		sizer = (staticbox ? new wxStaticBoxSizer(stb/*new wxStaticBox(_parent, wxID_ANY, title)*/, wxVERTICAL) : new wxBoxSizer(wxVERTICAL));
+        sizer = (staticbox ? new wxStaticBoxSizer(stb, wxVERTICAL) : new wxBoxSizer(wxVERTICAL));
         auto num_columns = 1U;
         if (label_width != 0) num_columns++;
         if (extra_column != nullptr) num_columns++;
-        m_grid_sizer = new wxFlexGridSizer(0, num_columns, 0,0);
+        m_grid_sizer = new wxFlexGridSizer(0, num_columns, 1,0);
-        static_cast<wxFlexGridSizer*>(m_grid_sizer)->SetFlexibleDirection(wxHORIZONTAL);
+        static_cast<wxFlexGridSizer*>(m_grid_sizer)->SetFlexibleDirection(wxBOTH/*wxHORIZONTAL*/);
         static_cast<wxFlexGridSizer*>(m_grid_sizer)->AddGrowableCol(label_width != 0);
 #ifdef __WXGTK__
         m_panel = new wxPanel( _parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
@@ -164,6 +191,8 @@ protected:
 	// "true" if option is created in preset tabs
 	bool					m_show_modified_btns{ false };
 
+	ogDrawFlag				m_flag{ ogDEFAULT };
+
 	// This panel is needed for correct showing of the ToolTips for Button, StaticText and CheckBox
 	// Tooltips on GTK doesn't work inside wxStaticBoxSizer unless you insert a panel 
 	// inside it before you insert the other controls.
@@ -177,6 +206,7 @@ protected:
 	const t_field&		build_field(const t_config_option_key& id, const ConfigOptionDef& opt, wxStaticText* label = nullptr);
 	const t_field&		build_field(const t_config_option_key& id, wxStaticText* label = nullptr);
 	const t_field&		build_field(const Option& opt, wxStaticText* label = nullptr);
+	void				add_undo_buttuns_to_sizer(wxSizer* sizer, const t_field& field);
 
     virtual void		on_kill_focus (){};
 	virtual void		on_change_OG(const t_config_option_key& opt_id, const boost::any& value);
@@ -186,8 +216,9 @@ protected:
 
 class ConfigOptionsGroup: public OptionsGroup {
 public:
-	ConfigOptionsGroup(wxWindow* parent, const wxString& title, DynamicPrintConfig* _config = nullptr, bool is_tab_opt = false) :
+	ConfigOptionsGroup(	wxWindow* parent, const wxString& title, DynamicPrintConfig* _config = nullptr, 
-		OptionsGroup(parent, title, is_tab_opt), m_config(_config) {}
+						bool is_tab_opt = false, ogDrawFlag flag = ogDEFAULT, column_t extra_clmn = nullptr) :
+		OptionsGroup(parent, title, is_tab_opt, flag, extra_clmn), m_config(_config) {}
 
     /// reference to libslic3r config, non-owning pointer (?).
     DynamicPrintConfig*		m_config {nullptr};

xs/src/slic3r/GUI/Tab.cpp

@@ -687,8 +687,8 @@ void Tab::on_value_change(const std::string& opt_key, const boost::any& value)
 	}
 	if (opt_key == "fill_density")
 	{
-		boost::any val = get_optgroup()->get_config_value(*m_config, opt_key);
+		boost::any val = get_optgroup(ogFrequentlyChangingParameters)->get_config_value(*m_config, opt_key);
-		get_optgroup()->set_value(opt_key, val);
+		get_optgroup(ogFrequentlyChangingParameters)->set_value(opt_key, val);
 	}
 	if (opt_key == "support_material" || opt_key == "support_material_buildplate_only")
 	{
@@ -697,12 +697,12 @@ void Tab::on_value_change(const std::string& opt_key, const boost::any& value)
 								m_config->opt_bool("support_material_buildplate_only") ?
 									_("Support on build plate only") :
 									_("Everywhere");
-		get_optgroup()->set_value("support", new_selection);
+		get_optgroup(ogFrequentlyChangingParameters)->set_value("support", new_selection);
 	}
 	if (opt_key == "brim_width")
 	{
 		bool val = m_config->opt_float("brim_width") > 0.0 ? true : false;
-		get_optgroup()->set_value("brim", val);
+		get_optgroup(ogFrequentlyChangingParameters)->set_value("brim", val);
 	}
 
     if (opt_key == "wipe_tower" || opt_key == "single_extruder_multi_material" || opt_key == "extruders_count" )
@@ -719,10 +719,8 @@ void Tab::update_wiping_button_visibility() {
     bool multiple_extruders = dynamic_cast<ConfigOptionFloats*>((m_preset_bundle->printers.get_edited_preset().config).option("nozzle_diameter"))->values.size() > 1;
     bool single_extruder_mm = dynamic_cast<ConfigOptionBool*>(  (m_preset_bundle->printers.get_edited_preset().config).option("single_extruder_multi_material"))->value;
 
-    if (wipe_tower_enabled && multiple_extruders && single_extruder_mm)
+	get_wiping_dialog_button()->Show(wipe_tower_enabled && multiple_extruders && single_extruder_mm);
-        get_wiping_dialog_button()->Show();
+	
-    else get_wiping_dialog_button()->Hide();
-
     (get_wiping_dialog_button()->GetParent())->Layout();
 }
 
@@ -789,18 +787,18 @@ void Tab::update_preset_description_line()
 
 void Tab::update_frequently_changed_parameters()
 {
-	boost::any value = get_optgroup()->get_config_value(*m_config, "fill_density");
+	boost::any value = get_optgroup(ogFrequentlyChangingParameters)->get_config_value(*m_config, "fill_density");
-	get_optgroup()->set_value("fill_density", value);
+	get_optgroup(ogFrequentlyChangingParameters)->set_value("fill_density", value);
 
 	wxString new_selection = !m_config->opt_bool("support_material") ?
 							_("None") :
 							m_config->opt_bool("support_material_buildplate_only") ?
 								_("Support on build plate only") :
 								_("Everywhere");
-	get_optgroup()->set_value("support", new_selection);
+	get_optgroup(ogFrequentlyChangingParameters)->set_value("support", new_selection);
 
 	bool val = m_config->opt_float("brim_width") > 0.0 ? true : false;
-	get_optgroup()->set_value("brim", val);
+	get_optgroup(ogFrequentlyChangingParameters)->set_value("brim", val);
 
 	update_wiping_button_visibility();
 }
@@ -1478,7 +1476,7 @@ void TabPrinter::build_fff()
 		Line line{ _(L("Bed shape")), "" };
 		line.widget = [this](wxWindow* parent){
 			auto btn = new wxButton(parent, wxID_ANY, _(L(" Set "))+dots, wxDefaultPosition, wxDefaultSize, wxBU_LEFT | wxBU_EXACTFIT);
-			//			btn->SetFont(Slic3r::GUI::small_font);
+			btn->SetFont(Slic3r::GUI::small_font());
 			btn->SetBitmap(wxBitmap(from_u8(Slic3r::var("printer_empty.png")), wxBITMAP_TYPE_PNG));
 
 			auto sizer = new wxBoxSizer(wxHORIZONTAL);
@@ -1546,7 +1544,7 @@ void TabPrinter::build_fff()
 			auto serial_test = [this](wxWindow* parent){
 				auto btn = m_serial_test_btn = new wxButton(parent, wxID_ANY,
 					_(L("Test")), wxDefaultPosition, wxDefaultSize, wxBU_LEFT | wxBU_EXACTFIT);
-//				btn->SetFont($Slic3r::GUI::small_font);
+				btn->SetFont(Slic3r::GUI::small_font());
 				btn->SetBitmap(wxBitmap(from_u8(Slic3r::var("wrench.png")), wxBITMAP_TYPE_PNG));
 				auto sizer = new wxBoxSizer(wxHORIZONTAL);
 				sizer->Add(btn);
@@ -1832,6 +1830,7 @@ void TabPrinter::extruders_count_changed(size_t extruders_count){
 	build_extruder_pages();
 	reload_config();
 	on_value_change("extruders_count", extruders_count);
+    update_objects_list_extruder_column(extruders_count);
 }
 
 void TabPrinter::append_option_line(ConfigOptionsGroupShp optgroup, const std::string opt_key)
@@ -2174,7 +2173,7 @@ void Tab::load_current_preset()
 		// checking out if this Tab exists till this moment
 		if (!checked_tab(this))
 			return;
-        update_tab_ui();
+		update_tab_ui();
 
         // update show/hide tabs
         if (m_name == "printer"){

xs/src/slic3r/GUI/Tab.hpp

@@ -267,11 +267,11 @@ public:
 
 	void			on_value_change(const std::string& opt_key, const boost::any& value);
 
+    void            update_wiping_button_visibility();
 protected:
 	void			on_presets_changed();
 	void			update_preset_description_line();
 	void			update_frequently_changed_parameters();
-    void            update_wiping_button_visibility();
 	void			update_tab_presets(wxComboCtrl* ui, bool show_incompatible);
 	void			fill_icon_descriptions();
 	void			set_tooltips_text();

xs/src/slic3r/GUI/wxExtensions.hpp

@@ -4,6 +4,14 @@
 #include <wx/checklst.h>
 #include <wx/combo.h>
 #include <wx/dataview.h>
+#include <wx/dc.h>
+#include <wx/collpane.h>
+#include <wx/wupdlock.h>
+#include <wx/button.h>
+#include <wx/slider.h>
+
+#include <vector>
+#include <set>
 
 class wxCheckListBoxComboPopup : public wxCheckListBox, public wxComboPopup
 {
@@ -65,4 +73,568 @@ public:
 	void				SetItemsCnt(int cnt) { m_cnt_open_items = cnt; }
 };
 
+
+
+// ***  PrusaCollapsiblePane  *** 
+// ----------------------------------------------------------------------------
+class PrusaCollapsiblePane : public wxCollapsiblePane
+{
+public:
+	PrusaCollapsiblePane() {}
+	PrusaCollapsiblePane(wxWindow *parent,
+		wxWindowID winid,
+		const wxString& label,
+		const wxPoint& pos = wxDefaultPosition,
+		const wxSize& size = wxDefaultSize,
+		long style = wxCP_DEFAULT_STYLE,
+		const wxValidator& val = wxDefaultValidator,
+		const wxString& name = wxCollapsiblePaneNameStr)
+	{
+		Create(parent, winid, label, pos, size, style, val, name);
+	}
+	~PrusaCollapsiblePane() {}
+
+	void OnStateChange(const wxSize& sz); //override/hide of OnStateChange from wxCollapsiblePane
+	virtual bool Show(bool show = true) override {
+		wxCollapsiblePane::Show(show);
+		OnStateChange(GetBestSize());
+		return true;
+	}
+};
+
+
+// ***  PrusaCollapsiblePaneMSW  ***  used only #ifdef __WXMSW__
+// ----------------------------------------------------------------------------
+#ifdef __WXMSW__
+class PrusaCollapsiblePaneMSW : public PrusaCollapsiblePane//wxCollapsiblePane
+{
+	wxButton*	m_pDisclosureTriangleButton = nullptr;
+	wxBitmap	m_bmp_close;
+	wxBitmap	m_bmp_open;
+public:
+	PrusaCollapsiblePaneMSW() {}
+	PrusaCollapsiblePaneMSW(	wxWindow *parent,
+							wxWindowID winid,
+							const wxString& label,
+							const wxPoint& pos = wxDefaultPosition,
+							const wxSize& size = wxDefaultSize,
+							long style = wxCP_DEFAULT_STYLE,
+							const wxValidator& val = wxDefaultValidator,
+							const wxString& name = wxCollapsiblePaneNameStr)
+	{
+		Create(parent, winid, label, pos, size, style, val, name);
+	}
+
+	~PrusaCollapsiblePaneMSW() {}
+
+	bool Create(wxWindow *parent,
+				wxWindowID id,
+				const wxString& label,
+				const wxPoint& pos,
+				const wxSize& size,
+				long style,
+				const wxValidator& val,
+				const wxString& name);
+
+	void UpdateBtnBmp();
+	void SetLabel(const wxString &label) override;
+	bool Layout() override;
+	void Collapse(bool collapse) override;
+};
+#endif //__WXMSW__
+
+// *****************************************************************************
+// ----------------------------------------------------------------------------
+// PrusaObjectDataViewModelNode: a node inside PrusaObjectDataViewModel
+// ----------------------------------------------------------------------------
+
+class PrusaObjectDataViewModelNode;
+WX_DEFINE_ARRAY_PTR(PrusaObjectDataViewModelNode*, MyObjectTreeModelNodePtrArray);
+
+class PrusaObjectDataViewModelNode
+{
+	PrusaObjectDataViewModelNode*	m_parent;
+	MyObjectTreeModelNodePtrArray   m_children;
+    wxIcon                          m_empty_icon; 
+public:
+	PrusaObjectDataViewModelNode(const wxString &name, int instances_count=1, int scale=100) {
+		m_parent	= NULL;
+		m_name		= name;
+		m_copy		= wxString::Format("%d", instances_count);
+		m_scale		= wxString::Format("%d%%", scale);
+		m_type		= "object";
+		m_volume_id	= -1;
+#ifdef __WXGTK__
+        // it's necessary on GTK because of control have to know if this item will be container
+        // in another case you couldn't to add subitem for this item
+        // it will be produce "segmentation fault"
+        m_container = true;
+#endif  //__WXGTK__
+		set_object_action_icon();
+	}
+
+	PrusaObjectDataViewModelNode(	PrusaObjectDataViewModelNode* parent,
+									const wxString& sub_obj_name, 
+									const wxIcon& icon, 
+                                    const wxString& extruder, 
+									const int volume_id=-1) {
+		m_parent	= parent;
+		m_name		= sub_obj_name;
+		m_copy		= wxEmptyString;
+		m_scale		= wxEmptyString;
+		m_icon		= icon;
+		m_type		= "volume";
+		m_volume_id = volume_id;
+        m_extruder  = extruder;
+		set_part_action_icon();
+	}
+
+	~PrusaObjectDataViewModelNode()
+	{
+		// free all our children nodes
+		size_t count = m_children.GetCount();
+		for (size_t i = 0; i < count; i++)
+		{
+			PrusaObjectDataViewModelNode *child = m_children[i];
+			delete child;
+		}
+	}
+	
+	wxString				m_name;
+	wxIcon&					m_icon = m_empty_icon;
+	wxString				m_copy;
+	wxString				m_scale;
+	std::string				m_type;
+	int						m_volume_id;
+	bool					m_container = false;
+	wxString				m_extruder = "default";
+	wxBitmap				m_action_icon;
+
+	bool IsContainer() const
+	{
+		return m_container;
+	}
+
+	PrusaObjectDataViewModelNode* GetParent()
+	{
+		return m_parent;
+	}
+	MyObjectTreeModelNodePtrArray& GetChildren()
+	{
+		return m_children;
+	}
+	PrusaObjectDataViewModelNode* GetNthChild(unsigned int n)
+	{
+		return m_children.Item(n);
+	}
+	void Insert(PrusaObjectDataViewModelNode* child, unsigned int n)
+	{
+		m_children.Insert(child, n);
+	}
+	void Append(PrusaObjectDataViewModelNode* child)
+	{
+		if (!m_container)
+			m_container = true;
+		m_children.Add(child);
+	}
+	void RemoveAllChildren()
+	{
+		if (GetChildCount() == 0)
+			return;
+		for (size_t id = GetChildCount() - 1; id >= 0; --id)
+		{
+			if (m_children.Item(id)->GetChildCount() > 0)
+				m_children[id]->RemoveAllChildren();
+			auto node = m_children[id];
+			m_children.RemoveAt(id);
+			delete node;
+		}
+	}
+
+	size_t GetChildCount() const
+	{
+		return m_children.GetCount();
+	}
+
+	bool SetValue(const wxVariant &variant, unsigned int col)
+	{
+		switch (col)
+		{
+		case 0:{
+			wxDataViewIconText data;
+			data << variant;
+			m_icon = data.GetIcon();
+			m_name = data.GetText();
+			return true;}
+		case 1:
+			m_copy = variant.GetString();
+			return true;
+		case 2:
+			m_scale = variant.GetString();
+			return true;
+		case 3:
+			m_extruder = variant.GetString();
+			return true;
+		case 4:
+			m_action_icon << variant;
+			return true;
+		default:
+			printf("MyObjectTreeModel::SetValue: wrong column");
+		}
+		return false;
+	}
+	void SetIcon(const wxIcon &icon)
+	{
+		m_icon = icon;
+	}
+	
+	void SetType(const std::string& type){
+		m_type = type;
+	}	
+	const std::string& GetType(){
+		return m_type;
+	}
+
+	void SetVolumeId(const int& volume_id){
+		m_volume_id = volume_id;
+	}
+	const int& GetVolumeId(){
+		return m_volume_id;
+	}
+
+	// use this function only for childrens
+	void AssignAllVal(PrusaObjectDataViewModelNode& from_node)
+	{
+		// ! Don't overwrite other values because of equality of this values for all children --
+		m_name = from_node.m_name;
+		m_icon = from_node.m_icon;
+		m_volume_id = from_node.m_volume_id;
+		m_extruder = from_node.m_extruder;
+	}
+
+	bool SwapChildrens(int frst_id, int scnd_id) {
+		if (GetChildCount() < 2 || 
+			frst_id < 0 || frst_id >= GetChildCount() || 
+			scnd_id < 0 || scnd_id >= GetChildCount())
+			return false;
+
+		PrusaObjectDataViewModelNode new_scnd = *GetNthChild(frst_id);
+		PrusaObjectDataViewModelNode new_frst = *GetNthChild(scnd_id);
+
+		new_scnd.m_volume_id = m_children.Item(scnd_id)->m_volume_id;
+		new_frst.m_volume_id = m_children.Item(frst_id)->m_volume_id;
+
+		m_children.Item(frst_id)->AssignAllVal(new_frst);
+		m_children.Item(scnd_id)->AssignAllVal(new_scnd);
+		return true;
+	}
+
+	// Set action icons for node
+	void set_object_action_icon();
+	void set_part_action_icon();
+};
+
+// ----------------------------------------------------------------------------
+// PrusaObjectDataViewModel
+// ----------------------------------------------------------------------------
+
+class PrusaObjectDataViewModel :public wxDataViewModel
+{
+	std::vector<PrusaObjectDataViewModelNode*> m_objects;
+public:
+	PrusaObjectDataViewModel(){}
+	~PrusaObjectDataViewModel()
+	{
+		for (auto object : m_objects)
+			delete object;		
+	}
+
+	wxDataViewItem Add(wxString &name);
+	wxDataViewItem Add(wxString &name, int instances_count, int scale);
+	wxDataViewItem AddChild(const wxDataViewItem &parent_item, 
+							const wxString &name, 
+                            const wxIcon& icon,
+                            const int = 0,
+                            const bool create_frst_child = true);
+	wxDataViewItem Delete(const wxDataViewItem &item);
+	void DeleteAll();
+    void DeleteChildren(wxDataViewItem& parent);
+	wxDataViewItem GetItemById(int obj_idx);
+	int GetIdByItem(wxDataViewItem& item);
+	int GetVolumeIdByItem(wxDataViewItem& item);
+	bool IsEmpty() { return m_objects.empty(); }
+
+	// helper method for wxLog
+
+	wxString GetName(const wxDataViewItem &item) const;
+	wxString GetCopy(const wxDataViewItem &item) const;
+	wxString GetScale(const wxDataViewItem &item) const;
+	wxIcon&  GetIcon(const wxDataViewItem &item) const;
+
+	// helper methods to change the model
+
+	virtual unsigned int GetColumnCount() const override { return 3;}
+	virtual wxString GetColumnType(unsigned int col) const override{ return wxT("string"); }
+
+	virtual void GetValue(wxVariant &variant,
+		const wxDataViewItem &item, unsigned int col) const override;
+	virtual bool SetValue(const wxVariant &variant,
+		const wxDataViewItem &item, unsigned int col) override;
+	bool SetValue(const wxVariant &variant, const int item_idx, unsigned int col);
+
+	wxDataViewItem MoveChildUp(const wxDataViewItem &item);
+	wxDataViewItem MoveChildDown(const wxDataViewItem &item);
+    // For parent move child from cur_volume_id place to new_volume_id 
+    // Remaining items will moved up/down accordingly
+    wxDataViewItem ReorganizeChildren(int cur_volume_id, 
+                                      int new_volume_id,
+                                      const wxDataViewItem &parent);
+
+// 	virtual bool IsEnabled(const wxDataViewItem &item,
+// 		unsigned int col) const override;
+
+	virtual wxDataViewItem GetParent(const wxDataViewItem &item) const override;
+	virtual bool IsContainer(const wxDataViewItem &item) const override;
+	virtual unsigned int GetChildren(const wxDataViewItem &parent,
+		wxDataViewItemArray &array) const override;
+
+	// Is the container just a header or an item with all columns
+	// In our case it is an item with all columns 
+	virtual bool HasContainerColumns(const wxDataViewItem& WXUNUSED(item)) const override {	return true; }
+};
+
+
+
+// ----------------------------------------------------------------------------
+// MyCustomRenderer
+// ----------------------------------------------------------------------------
+
+class MyCustomRenderer : public wxDataViewCustomRenderer
+{
+public:
+	// This renderer can be either activatable or editable, for demonstration
+	// purposes. In real programs, you should select whether the user should be
+	// able to activate or edit the cell and it doesn't make sense to switch
+	// between the two -- but this is just an example, so it doesn't stop us.
+	explicit MyCustomRenderer(wxDataViewCellMode mode)
+		: wxDataViewCustomRenderer("string", mode, wxALIGN_CENTER)
+	{ }
+
+	virtual bool Render(wxRect rect, wxDC *dc, int state) override/*wxOVERRIDE*/
+	{
+		dc->SetBrush(*wxLIGHT_GREY_BRUSH);
+		dc->SetPen(*wxTRANSPARENT_PEN);
+
+		rect.Deflate(2);
+		dc->DrawRoundedRectangle(rect, 5);
+
+		RenderText(m_value,
+			0, // no offset
+			wxRect(dc->GetTextExtent(m_value)).CentreIn(rect),
+			dc,
+			state);
+		return true;
+	}
+
+		virtual bool ActivateCell(const wxRect& WXUNUSED(cell),
+		wxDataViewModel *WXUNUSED(model),
+		const wxDataViewItem &WXUNUSED(item),
+		unsigned int WXUNUSED(col),
+		const wxMouseEvent *mouseEvent) override/*wxOVERRIDE*/
+	{
+		wxString position;
+		if (mouseEvent)
+			position = wxString::Format("via mouse at %d, %d", mouseEvent->m_x, mouseEvent->m_y);
+		else
+			position = "from keyboard";
+//		wxLogMessage("MyCustomRenderer ActivateCell() %s", position);
+		return false;
+	}
+
+		virtual wxSize GetSize() const override/*wxOVERRIDE*/
+	{
+		return wxSize(60, 20);
+	}
+
+		virtual bool SetValue(const wxVariant &value) override/*wxOVERRIDE*/
+	{
+		m_value = value.GetString();
+		return true;
+	}
+
+		virtual bool GetValue(wxVariant &WXUNUSED(value)) const override/*wxOVERRIDE*/{ return true; }
+
+		virtual bool HasEditorCtrl() const override/*wxOVERRIDE*/{ return true; }
+
+		virtual wxWindow*
+		CreateEditorCtrl(wxWindow* parent,
+		wxRect labelRect,
+		const wxVariant& value) override/*wxOVERRIDE*/
+	{
+		wxTextCtrl* text = new wxTextCtrl(parent, wxID_ANY, value,
+		labelRect.GetPosition(),
+		labelRect.GetSize(),
+		wxTE_PROCESS_ENTER);
+		text->SetInsertionPointEnd();
+
+		return text;
+	}
+
+		virtual bool
+			GetValueFromEditorCtrl(wxWindow* ctrl, wxVariant& value) override/*wxOVERRIDE*/
+	{
+		wxTextCtrl* text = wxDynamicCast(ctrl, wxTextCtrl);
+		if (!text)
+			return false;
+
+		value = text->GetValue();
+
+		return true;
+	}
+
+private:
+	wxString m_value;
+};
+// ******************************* EXPERIMENTS **********************************************
+enum SelectedSlider {
+    ssUndef,
+    ssLower,
+    ssHigher
+};
+enum TicksAction{
+    taOnIcon,
+    taAdd,
+    taDel
+};
+class PrusaDoubleSlider : public wxControl
+{
+public:
+    PrusaDoubleSlider(
+        wxWindow *parent,
+        wxWindowID id,
+        int lowerValue, 
+        int higherValue, 
+        int minValue, 
+        int maxValue,
+        const wxPoint& pos = wxDefaultPosition,
+        const wxSize& size = wxDefaultSize,
+        long style = wxSL_HORIZONTAL,
+        const wxValidator& val = wxDefaultValidator,
+        const wxString& name = wxEmptyString);
+
+    int GetLowerValue() const {
+        return m_lower_value;
+    }
+    int GetHigherValue() const {
+        return m_higher_value;
+    }
+    int GetActiveValue() const;
+    wxSize DoGetBestSize() const override;
+    void SetLowerValue(const int lower_val);
+    void SetHigherValue(const int higher_val);
+    void SetMaxValue(const int max_value);
+    void SetKoefForLabels(const double koef) {
+        m_label_koef = koef;
+    }
+    void SetSliderValues(const std::vector<double>& values) {
+        m_values = values;
+    }
+
+    void OnPaint(wxPaintEvent& ){ render();}
+    void OnLeftDown(wxMouseEvent& event);
+    void OnMotion(wxMouseEvent& event);
+    void OnLeftUp(wxMouseEvent& event);
+    void OnEnterWin(wxMouseEvent& event){ enter_window(event, true); }
+    void OnLeaveWin(wxMouseEvent& event){ enter_window(event, false); }
+    void OnWheel(wxMouseEvent& event);
+    void OnKeyDown(wxKeyEvent &event);
+    void OnKeyUp(wxKeyEvent &event);
+    void OnRightDown(wxMouseEvent& event);
+    void OnRightUp(wxMouseEvent& event);
+
+protected:
+ 
+    void    render();
+    void    draw_focus_rect();
+    void    draw_action_icon(wxDC& dc, const wxPoint pt_beg, const wxPoint pt_end);
+    void    draw_scroll_line(wxDC& dc, const int lower_pos, const int higher_pos);
+    void    draw_thumb(wxDC& dc, const wxCoord& pos_coord, const SelectedSlider& selection);
+    void    draw_thumbs(wxDC& dc, const wxCoord& lower_pos, const wxCoord& higher_pos);
+    void    draw_ticks(wxDC& dc);
+    void    draw_one_layer_icon(wxDC& dc);
+    void    draw_thumb_item(wxDC& dc, const wxPoint& pos, const SelectedSlider& selection);
+    void    draw_info_line_with_icon(wxDC& dc, const wxPoint& pos, SelectedSlider selection);
+    void    draw_thumb_text(wxDC& dc, const wxPoint& pos, const SelectedSlider& selection) const;
+
+    void    update_thumb_rect(const wxCoord& begin_x, const wxCoord& begin_y, const SelectedSlider& selection);
+    void    detect_selected_slider(const wxPoint& pt, const bool is_mouse_wheel = false);
+    void    correct_lower_value();
+    void    correct_higher_value();
+    void    move_current_thumb(const bool condition);
+    void    action_tick(const TicksAction action);
+    void    enter_window(wxMouseEvent& event, const bool enter);
+
+    bool    is_point_in_rect(const wxPoint& pt, const wxRect& rect);
+    bool    is_horizontal() const { return m_style == wxSL_HORIZONTAL; }
+
+    double      get_scroll_step();
+    wxString    get_label(const SelectedSlider& selection) const;
+    void        get_lower_and_higher_position(int& lower_pos, int& higher_pos);
+    int         get_value_from_position(const wxCoord x, const wxCoord y);
+    wxCoord     get_position_from_value(const int value);
+    wxSize      get_size();
+    void        get_size(int *w, int *h);
+
+private:
+    int         m_min_value;
+    int         m_max_value;
+    int         m_lower_value;
+    int         m_higher_value;
+    wxBitmap    m_bmp_thumb_higher;
+    wxBitmap    m_bmp_thumb_lower;
+    wxBitmap    m_bmp_add_tick_on;
+    wxBitmap    m_bmp_add_tick_off;
+    wxBitmap    m_bmp_del_tick_on;
+    wxBitmap    m_bmp_del_tick_off;
+    wxBitmap    m_bmp_one_layer_lock_on;
+    wxBitmap    m_bmp_one_layer_lock_off;
+    wxBitmap    m_bmp_one_layer_unlock_on;
+    wxBitmap    m_bmp_one_layer_unlock_off;
+    SelectedSlider  m_selection;
+    bool        m_is_left_down = false;
+    bool        m_is_right_down = false;
+    bool        m_is_one_layer = false;
+    bool        m_is_focused = false;
+    bool        m_is_action_icon_focesed = false;
+    bool        m_is_one_layer_icon_focesed = false;
+
+    wxRect      m_rect_lower_thumb;
+    wxRect      m_rect_higher_thumb;
+    wxRect      m_rect_tick_action;
+    wxRect      m_rect_one_layer_icon;
+    wxSize      m_thumb_size;
+    int         m_tick_icon_dim;
+    int         m_lock_icon_dim = 16;
+    long        m_style;
+    float       m_label_koef = 1.0;
+
+// control's view variables
+    wxCoord SLIDER_MARGIN; // margin around slider
+
+    wxPen   DARK_ORANGE_PEN;
+    wxPen   ORANGE_PEN;
+    wxPen   LIGHT_ORANGE_PEN;
+
+    wxPen   DARK_GREY_PEN;
+    wxPen   GREY_PEN;
+    wxPen   LIGHT_GREY_PEN;
+
+    std::vector<wxPen*> line_pens;
+    std::vector<wxPen*> segm_pens;
+    std::set<int>       m_ticks;
+    std::vector<double> m_values;
+};
+// ******************************************************************************************
+
+
 #endif // slic3r_GUI_wxExtensions_hpp_

xs/xsp/GUI.xsp

@@ -87,6 +87,80 @@ void add_frequently_changed_parameters(SV *ui_parent, SV *ui_sizer, SV *ui_p_siz
                                                            (wxBoxSizer*)wxPli_sv_2_object(aTHX_ ui_sizer, "Wx::BoxSizer"),
                                                            (wxFlexGridSizer*)wxPli_sv_2_object(aTHX_ ui_p_sizer, "Wx::FlexGridSizer")); %};
 
+void add_expert_mode_part(  SV *ui_parent, SV *ui_sizer, 
+                            Model *model,
+                            int event_object_selection_changed,
+                            int event_object_settings_changed,
+                            int event_remove_object, 
+                            int event_update_scene)
+    %code%{ Slic3r::GUI::add_expert_mode_part(  (wxWindow*)wxPli_sv_2_object(aTHX_ ui_parent, "Wx::Window"),
+                                                (wxBoxSizer*)wxPli_sv_2_object(aTHX_ ui_sizer, "Wx::BoxSizer"), 
+                                                *model,  
+                                                event_object_selection_changed,
+                                                event_object_settings_changed,
+                                                event_remove_object, 
+                                                event_update_scene); %};
+
+void set_objects_from_perl( SV *ui_parent, 
+                            SV *frequently_changed_parameters_sizer,
+                            SV *expert_mode_part_sizer,
+                            SV *scrolled_window_sizer,
+                            SV *btn_export_gcode,
+                            SV *btn_export_stl,
+                            SV *btn_reslice,
+                            SV *btn_print,
+                            SV *btn_send_gcode,
+                            SV *manifold_warning_icon)
+    %code%{ Slic3r::GUI::set_objects_from_perl(
+                            (wxWindow *)wxPli_sv_2_object(aTHX_ ui_parent, "Wx::Window"),
+                            (wxBoxSizer *)wxPli_sv_2_object(aTHX_ frequently_changed_parameters_sizer, "Wx::BoxSizer"),
+                            (wxBoxSizer *)wxPli_sv_2_object(aTHX_ expert_mode_part_sizer, "Wx::BoxSizer"),
+                            (wxBoxSizer *)wxPli_sv_2_object(aTHX_ scrolled_window_sizer, "Wx::BoxSizer"),
+                            (wxButton *)wxPli_sv_2_object(aTHX_ btn_export_gcode, "Wx::Button"),
+                            (wxButton *)wxPli_sv_2_object(aTHX_ btn_export_stl, "Wx::Button"),
+                            (wxButton *)wxPli_sv_2_object(aTHX_ btn_reslice, "Wx::Button"),
+                            (wxButton *)wxPli_sv_2_object(aTHX_ btn_print, "Wx::Button"),
+                            (wxButton *)wxPli_sv_2_object(aTHX_ btn_send_gcode, "Wx::Button"),
+                            (wxStaticBitmap *)wxPli_sv_2_object(aTHX_ manifold_warning_icon, "Wx::StaticBitmap")); %};
+
+void set_show_print_info(bool show)
+    %code%{ Slic3r::GUI::set_show_print_info(show); %};
+
+void set_show_manifold_warning_icon(bool show)
+    %code%{ Slic3r::GUI::set_show_manifold_warning_icon(show); %};
+
+void update_mode()
+    %code%{ Slic3r::GUI::update_mode(); %};
+
+void add_object_to_list(const char *name, SV *object_model)
+    %code%{ Slic3r::GUI::add_object_to_list(
+                    name, 
+                    (ModelObject *)wxPli_sv_2_object(aTHX_ object_model, "Slic3r::Model::Object") ); %};
+
+void delete_object_from_list()
+    %code%{ Slic3r::GUI::delete_object_from_list(); %};
+
+void delete_all_objects_from_list()
+    %code%{ Slic3r::GUI::delete_all_objects_from_list(); %};
+
+void set_object_count(int idx, int count)
+    %code%{ Slic3r::GUI::set_object_count(idx, count); %};
+
+void set_object_scale(int idx, int scale)
+    %code%{ Slic3r::GUI::set_object_scale(idx, scale); %};
+
+void unselect_objects()
+    %code%{ Slic3r::GUI::unselect_objects(); %};
+
+void select_current_object(int idx)
+    %code%{ Slic3r::GUI::select_current_object(idx); %};
+
+void remove_obj()
+    %code%{ Slic3r::GUI::remove(); %};
+
+void update_rotation_value(double angle, const char *axis)
+    %code%{ Slic3r::GUI::update_rotation_value(angle, axis); %};
+
 std::string fold_utf8_to_ascii(const char *src)
     %code%{ RETVAL = Slic3r::fold_utf8_to_ascii(src); %};