Conflict checker: automatically set the gcode preview at the layer shown in the notification when hitting the action text in it

src/slic3r/GUI/GLCanvas3D.cpp

@@ -7493,12 +7493,14 @@ void GLCanvas3D::_set_warning_notification(EWarning warning, bool state)
             const PrintObject* obj2 = reinterpret_cast<const PrintObject*>(conflict_result->_obj2);
             auto     mo = obj2->model_object();
             ObjectID id = mo->id();
-            auto     action_fn = [id](wxEvtHandler*) {
+            int layer_id = conflict_result->layer;
+            auto     action_fn = [id, layer_id](wxEvtHandler*) {
                 auto& objects = wxGetApp().model().objects;
                 auto  iter = id.id ? std::find_if(objects.begin(), objects.end(), [id](auto o) { return o->id() == id; }) : objects.end();
                 if (iter != objects.end()) {
                     const unsigned int obj_idx = std::distance(objects.begin(), iter);
-                    wxGetApp().CallAfter([obj_idx]() {
+                    wxGetApp().CallAfter([obj_idx, layer_id]() {
+                        wxGetApp().plater()->set_preview_layers_slider_values_range(0, layer_id - 1);
                         wxGetApp().plater()->select_view_3D("3D");
                         wxGetApp().plater()->canvas3D()->get_selection().add_object(obj_idx, true);
                         wxGetApp().obj_list()->update_selections();

src/slic3r/GUI/GUI_Preview.cpp

@@ -181,6 +181,12 @@ Preview::Preview(
         load_print();
 }
 
+void Preview::set_layers_slider_values_range(int bottom, int top)
+{
+    m_layers_slider->SetHigherValue(std::min(top, m_layers_slider->GetMaxValue()));
+    m_layers_slider->SetLowerValue(std::max(bottom, m_layers_slider->GetMinValue()));
+}
+
 bool Preview::init(wxWindow* parent, Bed3D& bed, Model* model)
 {
     if (!Create(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0 /* disable wxTAB_TRAVERSAL */))

src/slic3r/GUI/GUI_Preview.hpp

@@ -151,6 +151,8 @@ public:
 
     void set_keep_current_preview_type(bool value) { m_keep_current_preview_type = value; }
 
+    void set_layers_slider_values_range(int bottom, int top);
+
 private:
     bool init(wxWindow* parent, Bed3D& bed, Model* model);
 

src/slic3r/GUI/Plater.cpp

@@ -1794,6 +1794,8 @@ struct Plater::priv
     bool init_view_toolbar();
     bool init_collapse_toolbar();
 
+    void set_preview_layers_slider_values_range(int bottom, int top);
+
     void update_preview_moves_slider();
     void enable_preview_moves_slider(bool enable);
 
@@ -4632,6 +4634,11 @@ bool Plater::priv::init_collapse_toolbar()
     return true;
 }
 
+void Plater::priv::set_preview_layers_slider_values_range(int bottom, int top)
+{
+    preview->set_layers_slider_values_range(bottom, top);
+}
+
 void Plater::priv::update_preview_moves_slider()
 {
     preview->update_moves_slider();
@@ -7506,6 +7513,11 @@ GLToolbar& Plater::get_collapse_toolbar()
     return p->collapse_toolbar;
 }
 
+void Plater::set_preview_layers_slider_values_range(int bottom, int top)
+{
+    p->set_preview_layers_slider_values_range(bottom, top);
+}
+
 void Plater::update_preview_moves_slider()
 {
     p->update_preview_moves_slider();

src/slic3r/GUI/Plater.hpp

@@ -399,6 +399,8 @@ public:
     const GLToolbar& get_collapse_toolbar() const;
     GLToolbar& get_collapse_toolbar();
 
+    void set_preview_layers_slider_values_range(int bottom, int top);
+
     void update_preview_moves_slider();
     void enable_preview_moves_slider(bool enable);