Do not allow to copy/paste volumes when using sla printer

src/slic3r/GUI/GLCanvas3D.cpp

@@ -3488,7 +3488,7 @@ bool GLCanvas3D::_init_toolbar()
     item.tooltip = _utf8(L("Copy")) + " [" + GUI::shortkey_ctrl_prefix() + "C]";
     item.sprite_id = 4;
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_COPY)); };
-    item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_copy(); };
+    item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_copy_to_clipboard(); };
     if (!m_toolbar.add_item(item))
         return false;
 
@@ -3499,7 +3499,7 @@ bool GLCanvas3D::_init_toolbar()
     item.tooltip = _utf8(L("Paste")) + " [" + GUI::shortkey_ctrl_prefix() + "V]";
     item.sprite_id = 5;
     item.action_callback = [this]() { if (m_canvas != nullptr) wxPostEvent(m_canvas, SimpleEvent(EVT_GLTOOLBAR_PASTE)); };
-    item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_paste(); };
+    item.enabled_state_callback = []()->bool { return wxGetApp().plater()->can_paste_from_clipboard(); };
     if (!m_toolbar.add_item(item))
         return false;
 

src/slic3r/GUI/MainFrame.cpp

@@ -505,10 +505,10 @@ void MainFrame::init_menubar()
         editMenu->AppendSeparator();
         append_menu_item(editMenu, wxID_ANY, _(L("&Copy")) + sep + GUI::shortkey_ctrl_prefix() + sep_space + "C",
             _(L("Copy selection to clipboard")), [this](wxCommandEvent&) { m_plater->copy_selection_to_clipboard(); },
-            menu_icon("copy_menu"), nullptr, [this](){return m_plater->can_copy(); }, this);
+            menu_icon("copy_menu"), nullptr, [this](){return m_plater->can_copy_to_clipboard(); }, this);
         append_menu_item(editMenu, wxID_ANY, _(L("&Paste")) + sep + GUI::shortkey_ctrl_prefix() + sep_space + "V",
             _(L("Paste clipboard")), [this](wxCommandEvent&) { m_plater->paste_from_clipboard(); },
-            menu_icon("paste_menu"), nullptr, [this](){return m_plater->can_paste(); }, this);
+            menu_icon("paste_menu"), nullptr, [this](){return m_plater->can_paste_from_clipboard(); }, this);
     }
 
     // Window menu

src/slic3r/GUI/Plater.cpp

@@ -4187,30 +4187,14 @@ void Plater::update_object_menu() { p->update_object_menu(); }
 
 void Plater::copy_selection_to_clipboard()
 {
-    p->view3D->get_canvas3d()->get_selection().copy_to_clipboard();
+    if (can_copy_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::can_paste_from_clipboard() const
-{
-    const Selection& selection = p->view3D->get_canvas3d()->get_selection();
-    const Selection::Clipboard& clipboard = selection.get_clipboard();
-    Selection::EMode mode = clipboard.get_mode();
-
-    if (clipboard.is_empty())
-        return false;
-
-    if ((mode == Selection::Volume) && !selection.is_from_single_instance())
-        return false;
-
-    if ((mode == Selection::Instance) && (selection.get_mode() != Selection::Instance))
-        return false;
-
-    return true;
+    if (can_paste_from_clipboard())
+        p->view3D->get_canvas3d()->get_selection().paste_from_clipboard();
 }
 
 void Plater::msw_rescale()
@@ -4237,7 +4221,37 @@ bool Plater::can_split_to_objects() const { return p->can_split_to_objects(); }
 bool Plater::can_split_to_volumes() const { return p->can_split_to_volumes(); }
 bool Plater::can_arrange() const { return p->can_arrange(); }
 bool Plater::can_layers_editing() const { return p->can_layers_editing(); }
-bool Plater::can_copy() const { return !is_selection_empty(); }
-bool Plater::can_paste() const { return can_paste_from_clipboard(); }
+bool Plater::can_paste_from_clipboard() const
+{
+    const Selection& selection = p->view3D->get_canvas3d()->get_selection();
+    const Selection::Clipboard& clipboard = selection.get_clipboard();
+
+    if (clipboard.is_empty())
+        return false;
+
+    if ((wxGetApp().preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA) && !clipboard.is_sla_compliant())
+        return false;
+
+    Selection::EMode mode = clipboard.get_mode();
+    if ((mode == Selection::Volume) && !selection.is_from_single_instance())
+        return false;
+
+    if ((mode == Selection::Instance) && (selection.get_mode() != Selection::Instance))
+        return false;
+
+    return true;
+}
+
+bool Plater::can_copy_to_clipboard() const
+{
+    if (is_selection_empty())
+        return false;
+
+    const Selection& selection = p->view3D->get_canvas3d()->get_selection();
+    if ((wxGetApp().preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA) && !selection.is_sla_compliant())
+        return false;
+
+    return true;
+}
 
 }}    // namespace Slic3r::GUI

src/slic3r/GUI/Plater.hpp

@@ -200,7 +200,6 @@ public:
 
     void copy_selection_to_clipboard();
     void paste_from_clipboard();
-    bool can_paste_from_clipboard() const;
 
     bool can_delete() const;
     bool can_delete_all() const;
@@ -212,8 +211,8 @@ public:
     bool can_split_to_volumes() const;
     bool can_arrange() const;
     bool can_layers_editing() const;
-    bool can_copy() const;
-    bool can_paste() const;
+    bool can_paste_from_clipboard() const;
+    bool can_copy_to_clipboard() const;
 
     void msw_rescale();
 

src/slic3r/GUI/Selection.cpp

@@ -47,6 +47,26 @@ Selection::VolumeCache::VolumeCache(const Geometry::Transformation& volume_trans
 {
 }
 
+bool Selection::Clipboard::is_sla_compliant() const
+{
+    if (m_mode == Selection::Volume)
+        return false;
+
+    for (const ModelObject* o : m_model.objects)
+    {
+        if (o->is_multiparts())
+            return false;
+
+        for (const ModelVolume* v : o->volumes)
+        {
+            if (v->is_modifier())
+                return false;
+        }
+    }
+
+    return true;
+}
+
 Selection::Selection()
     : m_volumes(nullptr)
     , m_model(nullptr)
@@ -385,6 +405,20 @@ bool Selection::is_from_single_object() const
     return (0 <= idx) && (idx < 1000);
 }
 
+bool Selection::is_sla_compliant() const
+{
+    if (m_mode == Volume)
+        return false;
+
+    for (unsigned int i : m_list)
+    {
+        if ((*m_volumes)[i]->is_modifier)
+            return false;
+    }
+
+    return true;
+}
+
 bool Selection::requires_uniform_scale() const
 {
     if (is_single_full_instance() || is_single_modifier() || is_single_volume())

src/slic3r/GUI/Selection.hpp

@@ -152,6 +152,8 @@ public:
         void reset() { m_model.clear_objects(); }
         bool is_empty() const { return m_model.objects.empty(); }
 
+        bool is_sla_compliant() const;
+
         ModelObject* add_object() { return m_model.add_object(); }
         ModelObject* get_object(unsigned int id) { return (id < (unsigned int)m_model.objects.size()) ? m_model.objects[id] : nullptr; }
         const ModelObjectPtrs& get_objects() const { return m_model.objects; }
@@ -257,6 +259,7 @@ public:
     bool is_mixed() const { return m_type == Mixed; }
     bool is_from_single_instance() const { return get_instance_idx() != -1; }
     bool is_from_single_object() const;
+    bool is_sla_compliant() const;
 
     bool contains_volume(unsigned int volume_idx) const { return m_list.find(volume_idx) != m_list.end(); }
     bool requires_uniform_scale() const;