1st installment of copy and paste -> prototype for volumes copy and paste

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -436,6 +436,43 @@ void ObjectList::selection_changed()
     part_selection_changed();
 }
 
+void ObjectList::paste_volumes_into_list(int obj_idx, const ModelVolumePtrs& volumes)
+{
+    if ((obj_idx < 0) || ((int)m_objects->size() <= obj_idx))
+        return;
+
+    if (volumes.empty())
+        return;
+
+    ModelObject& model_object = *(*m_objects)[obj_idx];
+    const auto object_item = m_objects_model->GetItemById(obj_idx);
+
+    wxDataViewItemArray items;
+
+    for (const ModelVolume* volume : volumes)
+    {
+        auto vol_item = m_objects_model->AddVolumeChild(object_item, volume->name, volume->type(),
+            volume->config.has("extruder") ? volume->config.option<ConfigOptionInt>("extruder")->value : 0, false);
+        auto opt_keys = volume->config.keys();
+        if (!opt_keys.empty() && !((opt_keys.size() == 1) && (opt_keys[0] == "extruder")))
+            select_item(m_objects_model->AddSettingsChild(vol_item));
+
+        items.Add(vol_item);
+    }
+
+    m_parts_changed = true;
+    parts_changed(obj_idx);
+
+    select_items(items);
+#ifndef __WXOSX__ //#ifdef __WXMSW__ // #ys_FIXME
+    selection_changed();
+#endif //no __WXOSX__ //__WXMSW__
+}
+
+void ObjectList::paste_object_into_list(const ModelObject& object)
+{
+}
+
 void ObjectList::OnChar(wxKeyEvent& event)
 {
     if (event.GetKeyCode() == WXK_BACK){

src/slic3r/GUI/GUI_ObjectList.hpp

@@ -31,6 +31,10 @@ typedef std::map<std::string, std::vector<std::string>> FreqSettingsBundle;
 //				  category ->		vector 			 ( option	;  label )
 typedef std::map< std::string, std::vector< std::pair<std::string, std::string> > > settings_menu_hierarchy;
 
+//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+typedef std::vector<ModelVolume*> ModelVolumePtrs;
+//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+
 namespace GUI {
 
 wxDECLARE_EVENT(EVT_OBJ_LIST_OBJECT_SELECT, SimpleEvent);
@@ -285,6 +289,10 @@ public:
     void rename_item();
     void fix_through_netfabb() const;
     void update_item_error_icon(const int obj_idx, int vol_idx) const ;
+
+    void paste_volumes_into_list(int obj_idx, const ModelVolumePtrs& volumes);
+    void paste_object_into_list(const ModelObject& object);
+
 private:
     void OnChar(wxKeyEvent& event);
     void OnContextMenu(wxDataViewEvent &event);

src/slic3r/GUI/MainFrame.cpp

@@ -256,6 +256,16 @@ bool MainFrame::can_delete_all() const
     return (m_plater != nullptr) ? !m_plater->model().objects.empty() : false;
 }
 
+bool MainFrame::can_copy() const
+{
+    return (m_plater != nullptr) ? !m_plater->is_selection_empty() : false;
+}
+
+bool MainFrame::can_paste() const
+{
+    return (m_plater != nullptr) ? !m_plater->is_selection_clipboard_empty() : false;
+}
+
 void MainFrame::on_dpi_changed(const wxRect &suggested_rect)
 {
     // TODO
@@ -379,9 +389,18 @@ void MainFrame::init_menubar()
         wxMenuItem* item_delete_all = append_menu_item(editMenu, wxID_ANY, _(L("Delete &all")) + sep + GUI::shortkey_ctrl_prefix() + sep_space + hotkey_delete, _(L("Deletes all objects")),
             [this](wxCommandEvent&) { m_plater->reset(); }, "");
 
+        editMenu->AppendSeparator();
+
+        wxMenuItem* item_copy = append_menu_item(editMenu, wxID_ANY, _(L("&Copy")) + "\tCtrl+C", _(L("Copy selection to clipboard")),
+            [this](wxCommandEvent&) { m_plater->copy_selection_to_clipboard(); }, "");
+        wxMenuItem* item_paste = append_menu_item(editMenu, wxID_ANY, _(L("&Paste")) + "\tCtrl+V", _(L("Paste clipboard")),
+            [this](wxCommandEvent&) { m_plater->paste_from_clipboard(); }, "");
+
         Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_select()); }, item_select_all->GetId());
         Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_delete()); }, item_delete_sel->GetId());
         Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_delete_all()); }, item_delete_all->GetId());
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_copy()); }, item_copy->GetId());
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_paste()); }, item_paste->GetId());
     }
 
     // Window menu

src/slic3r/GUI/MainFrame.hpp

@@ -68,6 +68,8 @@ class MainFrame : public DPIFrame
     bool can_select() const;
     bool can_delete() const;
     bool can_delete_all() const;
+    bool can_copy() const;
+    bool can_paste() const;
 
 protected:
     virtual void on_dpi_changed(const wxRect &suggested_rect);

src/slic3r/GUI/Plater.cpp

@@ -3704,6 +3704,21 @@ void Plater::fix_through_netfabb(const int obj_idx, const int vol_idx/* = -1*/)
 
 void Plater::update_object_menu() { p->update_object_menu(); }
 
+void Plater::copy_selection_to_clipboard()
+{
+    p->view3D->get_canvas3d()->get_selection().copy_to_clipboard();
+}
+
+void Plater::paste_from_clipboard()
+{
+    p->view3D->get_canvas3d()->get_selection().paste_from_clipboard();
+}
+
+bool Plater::is_selection_clipboard_empty() const
+{
+    return p->view3D->get_canvas3d()->get_selection().is_clipboard_empty();
+}
+
 bool Plater::can_delete() const { return p->can_delete(); }
 bool Plater::can_delete_all() const { return p->can_delete_all(); }
 bool Plater::can_increase_instances() const { return p->can_increase_instances(); }

src/slic3r/GUI/Plater.hpp

@@ -182,6 +182,10 @@ public:
     PrinterTechnology   printer_technology() const;
     void                set_printer_technology(PrinterTechnology printer_technology);
 
+    void copy_selection_to_clipboard();
+    void paste_from_clipboard();
+    bool is_selection_clipboard_empty() const;
+
     bool can_delete() const;
     bool can_delete_all() const;
     bool can_increase_instances() const;

src/slic3r/GUI/Selection.cpp

@@ -47,6 +47,23 @@ Selection::VolumeCache::VolumeCache(const Geometry::Transformation& volume_trans
 {
 }
 
+Selection::Clipboard::Clipboard()
+    : m_object(nullptr)
+{
+    m_object = m_model.add_object();
+}
+
+void Selection::Clipboard::add_volume(const ModelVolume& volume)
+{
+    ModelVolume* v = m_object->add_volume(volume);
+    v->config = volume.config;
+}
+
+const ModelVolume* Selection::Clipboard::get_volume(unsigned int id) const
+{
+    return (id < (unsigned int)m_object->volumes.size()) ? m_object->volumes[id] : nullptr;
+}
+
 Selection::Selection()
     : m_volumes(nullptr)
     , m_model(nullptr)
@@ -1022,6 +1039,53 @@ bool Selection::requires_local_axes() const
     return (m_mode == Volume) && is_from_single_instance();
 }
 
+void Selection::copy_to_clipboard()
+{
+    if (!m_valid)
+        return;
+
+    m_clipboard.reset();
+
+    for (unsigned int i : m_list)
+    {
+        const GLVolume* volume = (*m_volumes)[i];
+        int obj_idx = volume->object_idx();
+        if ((0 <= obj_idx) && (obj_idx < (int)m_model->objects.size()))
+        {
+            const ModelObject* model_object = m_model->objects[obj_idx];
+            int vol_idx = volume->volume_idx();
+            if ((0 <= vol_idx) && (vol_idx < (int)model_object->volumes.size()))
+                m_clipboard.add_volume(*model_object->volumes[vol_idx]);
+        }
+    }
+
+    int obj_idx = get_object_idx();
+    if ((0 <= obj_idx) && (obj_idx < (int)m_model->objects.size()))
+        m_clipboard.get_object()->config = m_model->objects[obj_idx]->config;
+
+    m_clipboard.set_mode(m_mode);
+    m_clipboard.set_type(m_type);
+}
+
+void Selection::paste_from_clipboard()
+{
+    if (!m_valid)
+        return;
+
+    if (m_clipboard.is_empty())
+        return;
+
+    if ((m_clipboard.get_mode() == Volume) && is_from_single_instance())
+        paste_volumes_from_clipboard();
+    else
+        paste_object_from_clipboard();
+}
+
+bool Selection::is_clipboard_empty()
+{
+    return m_clipboard.is_empty();
+}
+
 void Selection::update_valid()
 {
     m_valid = (m_volumes != nullptr) && (m_model != nullptr);
@@ -1697,5 +1761,33 @@ bool Selection::is_from_fully_selected_instance(unsigned int volume_idx) const
     return count == (unsigned int)m_model->objects[object_idx]->volumes.size();
 }
 
+void Selection::paste_volumes_from_clipboard()
+{
+    int obj_idx = get_object_idx();
+    if ((obj_idx < 0) || ((int)m_model->objects.size() <= obj_idx))
+        return;
+
+    ModelObject& model_object = *m_model->objects[obj_idx];
+    unsigned int count = m_clipboard.get_volumes_count();
+    ModelVolumePtrs volumes;
+    for (unsigned int i = 0; i < count; ++i)
+    {
+        const ModelVolume* volume = m_clipboard.get_volume(i);
+        ModelVolume* new_volume = model_object.add_volume(*volume);
+        new_volume->config = volume->config;
+        new_volume->set_new_unique_id();
+        volumes.push_back(new_volume);
+    }
+    wxGetApp().obj_list()->paste_volumes_into_list(obj_idx, volumes);
+    int a = 0;
+}
+
+void Selection::paste_object_from_clipboard()
+{
+    ModelObject* model_object = m_clipboard.get_object();
+    if (model_object != nullptr)
+        wxGetApp().obj_list()->paste_object_into_list(*model_object);
+}
+
 } // namespace GUI
 } // namespace Slic3r

src/slic3r/GUI/Selection.hpp

@@ -151,6 +151,31 @@ private:
         ObjectIdxsToInstanceIdxsMap content;
     };
 
+    class Clipboard
+    {
+        Model m_model;
+        ModelObject* m_object;
+        Selection::EMode m_mode;
+        Selection::EType m_type;
+
+    public:
+        Clipboard();
+
+        void reset() { if (m_object != nullptr) m_object->clear_volumes(); }
+        void add_volume(const ModelVolume& volume);
+        const ModelVolume* get_volume(unsigned int id) const;
+        ModelObject* get_object() { return m_object; }
+        const ModelObject* get_object() const { return m_object; }
+        const unsigned int get_volumes_count() const { return (unsigned int)m_object->volumes.size(); }
+
+        bool is_empty() const { return (m_object == nullptr) || m_object->volumes.empty(); }
+
+        Selection::EMode get_mode() const { return m_mode; }
+        void set_mode(Selection::EMode mode) { m_mode = mode; }
+        Selection::EType get_type() const { return m_type; }
+        void set_type(Selection::EType type) { m_type = type; }
+    };
+
     // Volumes owned by GLCanvas3D.
     GLVolumePtrs* m_volumes;
     // Model, not owned.
@@ -163,6 +188,7 @@ private:
     // set of indices to m_volumes
     IndicesList m_list;
     Cache m_cache;
+    Clipboard m_clipboard;
     mutable BoundingBoxf3 m_bounding_box;
     mutable bool m_bounding_box_dirty;
 
@@ -267,6 +293,10 @@ public:
 
     bool requires_local_axes() const;
 
+    void copy_to_clipboard();
+    void paste_from_clipboard();
+    bool is_clipboard_empty();
+
 private:
     void update_valid();
     void update_type();
@@ -301,6 +331,8 @@ private:
     void synchronize_unselected_volumes();
     void ensure_on_bed();
     bool is_from_fully_selected_instance(unsigned int volume_idx) const;
+    void paste_volumes_from_clipboard();
+    void paste_object_from_clipboard();
 };
 
 } // namespace GUI