NEW:add measure gizmo in assemble view

Jira: STUDIO-6545
Change-Id: I83b85f26305754c99088abb81fe568619151d32f

src/libslic3r/Model.hpp

@@ -1275,6 +1275,7 @@ public:
         m_assemble_initialized = true;
         m_assemble_transformation.set_from_transform(transform);
     }
+    const Vec3d& get_assemble_offset() {return m_assemble_transformation.get_offset(); }
     void set_assemble_offset(const Vec3d& offset) { m_assemble_transformation.set_offset(offset); }
     void set_assemble_rotation(const Vec3d &rotation) { m_assemble_transformation.set_rotation(rotation); }
     void rotate_assemble(double angle, const Vec3d& axis) {

src/slic3r/GUI/GLCanvas3D.cpp

@@ -4574,7 +4574,9 @@ void GLCanvas3D::do_move(const std::string& snapshot_type)
             if (model_object != nullptr) {
                 if (selection_mode == Selection::Instance) {
                     if (m_canvas_type == GLCanvas3D::ECanvasType::CanvasAssembleView) {
-                        model_object->instances[instance_idx]->set_assemble_offset(v->get_instance_offset());
+                        if ((model_object->instances[instance_idx]->get_assemble_offset() - v->get_instance_offset()).norm() > 1e-2) {
+                            model_object->instances[instance_idx]->set_assemble_offset(v->get_instance_offset());
+                        }
                     } else {
                         model_object->instances[instance_idx]->set_offset(v->get_instance_offset());
                     }

src/slic3r/GUI/GLCanvas3D.hpp

@@ -711,6 +711,7 @@ public:
     bool init();
     void post_event(wxEvent &&event);
 
+    float get_explosion_ratio() { return m_explosion_ratio; }
     void reset_explosion_ratio() { m_explosion_ratio = 1.0; }
     void on_change_color_mode(bool is_dark, bool reinit = true);
     const bool get_dark_mode_status() { return m_is_dark; }

src/slic3r/GUI/GUI_Preview.cpp

@@ -811,7 +811,7 @@ bool AssembleView::init(wxWindow* parent, Bed3D& bed, Model* model, DynamicPrint
     m_canvas->enable_assemble_view_toolbar(false);
     m_canvas->enable_return_toolbar(true);
     m_canvas->enable_separator_toolbar(false);
-    m_canvas->set_show_world_axes(true);
+    //m_canvas->set_show_world_axes(true);//wait for GitHub users to see if they have this requirement
     // BBS: set volume_selection_mode to Volume
     //same to 3d //m_canvas->get_selection().set_volume_selection_mode(Selection::Instance);
     //m_canvas->get_selection().lock_volume_selection_mode();

src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp

@@ -575,7 +575,12 @@ void GLGizmoMeasure::on_set_state()
 std::string GLGizmoMeasure::on_get_name() const
 {
     if (!on_is_activable() && m_state == EState::Off) {
-        return _u8L("Measure") + ":\n" + _u8L("Please select at least one object.");
+        if (wxGetApp().plater()->canvas3D()->get_canvas_type() == GLCanvas3D::ECanvasType::CanvasAssembleView) {
+            return _u8L("Measure") + ":\n" + _u8L("Please confirm explosion ratio = 1,and please select at least one object");
+        }
+        else {
+            return _u8L("Measure") + ":\n" + _u8L("Please select at least one object.");
+        }
     } else {
         return _u8L("Measure");
     }
@@ -584,7 +589,14 @@ std::string GLGizmoMeasure::on_get_name() const
 bool GLGizmoMeasure::on_is_activable() const
 {
     const Selection& selection = m_parent.get_selection();
-    return selection.volumes_count()>0;
+    if (wxGetApp().plater()->canvas3D()->get_canvas_type() == GLCanvas3D::ECanvasType::CanvasAssembleView) {
+        if (abs(m_parent.get_explosion_ratio() - 1.0f) < 1e-2 && selection.volumes_count() > 0) {
+            return true;
+        }
+        return false;
+    } else {
+        return selection.volumes_count() > 0;
+    }
 }
 
 void GLGizmoMeasure::init_circle_glmodel(GripperType gripper_type, const Measure::SurfaceFeature &feature, CircleGLModel &circle_gl_model,float inv_zoom)

src/slic3r/GUI/Gizmos/GLGizmosManager.cpp

@@ -61,6 +61,7 @@ std::vector<size_t> GLGizmosManager::get_selectable_idxs() const
         for (size_t i = 0; i < m_gizmos.size(); ++i)
             if (m_gizmos[i]->get_sprite_id() == (unsigned int) Move ||
                 m_gizmos[i]->get_sprite_id() == (unsigned int) Rotate ||
+                m_gizmos[i]->get_sprite_id() == (unsigned int) Measure ||
                 m_gizmos[i]->get_sprite_id() == (unsigned int) MmuSegmentation)
                 out.push_back(i);
     }

src/slic3r/GUI/Plater.cpp

@@ -2943,6 +2943,9 @@ Plater::priv::priv(Plater *q, MainFrame *main_frame)
     //BBS
     wxGLCanvas* assemble_canvas = assemble_view->get_wxglcanvas();
     if (wxGetApp().is_editor()) {
+        assemble_canvas->Bind(EVT_GLCANVAS_INSTANCE_MOVED, [this](SimpleEvent &) { update(); });
+        assemble_canvas->Bind(EVT_GLCANVAS_INSTANCE_ROTATED, [this](SimpleEvent &) { update(); });
+
         assemble_canvas->Bind(EVT_GLTOOLBAR_FILLCOLOR, [q](IntEvent& evt) { q->fill_color(evt.get_data()); });
         assemble_canvas->Bind(EVT_GLCANVAS_OBJECT_SELECT, &priv::on_object_select, this);
         assemble_canvas->Bind(EVT_GLVIEWTOOLBAR_3D, [q](SimpleEvent&) { q->select_view_3D("3D"); });

src/slic3r/GUI/Selection.cpp

@@ -2866,6 +2866,9 @@ void Selection::ensure_not_below_bed()
 
 bool Selection::is_from_fully_selected_instance(unsigned int volume_idx) const
 {
+    if (m_mode == Instance && wxGetApp().plater()->canvas3D()->get_canvas_type() == GLCanvas3D::ECanvasType::CanvasAssembleView) {
+        return true;
+    }
     struct SameInstance
     {
         int obj_idx;