Added gallery to the default shapes

+ ObjectList (MSW specific): Don't change background color for Light color mode

src/slic3r/GUI/GUI_App.cpp

@@ -1138,7 +1138,7 @@ void GUI_App::UpdateDlgDarkUI(wxDialog* dlg, bool just_buttons_update/* = false*
 void GUI_App::UpdateDVCDarkUI(wxDataViewCtrl* dvc, bool highlited/* = false*/)
 {
 #ifdef _WIN32
-    UpdateDarkUI(dvc, highlited);
+    UpdateDarkUI(dvc, highlited ? dark_mode() : false);
     wxItemAttr attr(dark_mode() ? m_color_highlight_default : m_color_label_default,
         m_color_window_default,
         m_normal_font);

src/slic3r/GUI/GUI_Factories.cpp

@@ -433,7 +433,7 @@ wxMenu* MenuFactory::append_submenu_add_generic(wxMenu* menu, ModelVolumeType ty
             [type, item](wxCommandEvent&) { obj_list()->load_generic_subobject(item, type); }, "", menu);
     }
 
-    if (wxGetApp().get_mode() == comExpert && type != ModelVolumeType::INVALID) {
+    if (wxGetApp().get_mode() == comExpert) {
         sub_menu->AppendSeparator();
         append_menu_item(sub_menu, wxID_ANY, _L("Gallery"), "",
             [type](wxCommandEvent&) { obj_list()->load_subobject(type, true); }, "", menu);

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -1358,6 +1358,11 @@ bool ObjectList::is_instance_or_object_selected()
 
 void ObjectList::load_subobject(ModelVolumeType type, bool from_galery/* = false*/)
 {
+    if (type == ModelVolumeType::INVALID && from_galery) {
+        load_shape_object_from_gallery();
+        return;
+    }
+
     wxDataViewItem item = GetSelection();
     // we can add volumes for Object or Instance
     if (!item || !(m_objects_model->GetItemType(item)&(itObject|itInstance)))
@@ -1569,6 +1574,39 @@ void ObjectList::load_shape_object(const std::string& type_name)
 #endif // ENABLE_PROJECT_DIRTY_STATE
 }
 
+void ObjectList::load_shape_object_from_gallery()
+{
+    if (wxGetApp().plater()->canvas3D()->get_selection().get_object_idx() != -1)
+        return;// Add nothing if something is selected on 3DScene
+
+    wxArrayString input_files;
+    GalleryDialog gallery_dlg(this);
+    if (gallery_dlg.ShowModal() == wxID_CANCEL)
+        return;
+    gallery_dlg.get_input_files(input_files);
+    if (input_files.IsEmpty())
+        return;
+
+    std::vector<boost::filesystem::path> paths;
+    for (const auto& file : input_files)
+        paths.push_back(into_path(file));
+
+    assert(!paths.empty());
+    wxString snapshot_label = (paths.size() == 1 ? _L("Add Shape") : _L("Add Shapes")) + ": " +
+        wxString::FromUTF8(paths.front().filename().string().c_str());
+    for (size_t i = 1; i < paths.size(); ++i)
+        snapshot_label += ", " + wxString::FromUTF8(paths[i].filename().string().c_str());
+
+    take_snapshot(snapshot_label);
+#if ENABLE_PROJECT_DIRTY_STATE
+    std::vector<size_t> res = wxGetApp().plater()->load_files(paths, true, false);
+    if (!res.empty())
+        wxGetApp().mainframe->update_title();
+#else
+    load_files(paths, true, false);
+#endif // ENABLE_PROJECT_DIRTY_STATE
+}
+
 void ObjectList::load_mesh_object(const TriangleMesh &mesh, const wxString &name, bool center)
 {   
     // Add mesh to model as a new object

src/slic3r/GUI/GUI_ObjectList.hpp

@@ -243,6 +243,7 @@ public:
     void                load_part(ModelObject* model_object, std::vector<ModelVolume*> &added_volumes, ModelVolumeType type, bool from_galery = false);
 	void                load_generic_subobject(const std::string& type_name, const ModelVolumeType type);
     void                load_shape_object(const std::string &type_name);
+    void                load_shape_object_from_gallery();
     void                load_mesh_object(const TriangleMesh &mesh, const wxString &name, bool center = true);
     void                del_object(const int obj_idx);
     void                del_subobject_item(wxDataViewItem& item);