Added Esc shortcut and menu item for command deselect all

src/libslic3r/Technologies.hpp

@@ -59,4 +59,12 @@
 #define ENABLE_SVG_ICONS (1 && ENABLE_1_42_0_ALPHA8 && ENABLE_TEXTURES_FROM_SVG)
 
 
+//====================
+// 1.42.0.rc techs
+//====================
+#define ENABLE_1_42_0_RC 1
+
+// Disables Edit->Deselect all item menu item
+#define DISABLE_DESELECT_ALL_MENU_ITEM (1 && ENABLE_1_42_0_RC)
+
 #endif // _technologies_h_

src/slic3r/GUI/GLCanvas3D.cpp

@@ -1715,6 +1715,16 @@ void GLCanvas3D::select_all()
     m_dirty = true;
 }
 
+void GLCanvas3D::deselect_all()
+{
+    m_selection.clear();
+    m_selection.set_mode(Selection::Instance);
+    wxGetApp().obj_manipul()->set_dirty();
+    m_gizmos.reset_all_states();
+    m_gizmos.update_data(*this);
+    post_event(SimpleEvent(EVT_GLCANVAS_OBJECT_SELECT));
+}
+
 void GLCanvas3D::delete_selected()
 {
     m_selection.erase();
@@ -2359,7 +2369,8 @@ void GLCanvas3D::on_char(wxKeyEvent& evt)
                   post_event(SimpleEvent(EVT_GLTOOLBAR_DELETE));
                   break;
 
-		case '0': { select_view("iso"); break; }
+        case WXK_ESCAPE: { deselect_all(); break; }
+        case '0': { select_view("iso"); break; }
         case '1': { select_view("top"); break; }
         case '2': { select_view("bottom"); break; }
         case '3': { select_view("front"); break; }
@@ -2379,11 +2390,7 @@ void GLCanvas3D::on_char(wxKeyEvent& evt)
         case 'o': { set_camera_zoom(-1.0f); break; }
         case 'Z':
         case 'z': { m_selection.is_empty() ? zoom_to_volumes() : zoom_to_selection(); break; }
-        default:
-        {
-            evt.Skip();
-            break;
-        }
+        default:  { evt.Skip(); break; }
         }
     }
 }
@@ -2900,14 +2907,7 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
         {
             // deselect and propagate event through callback
             if (!evt.ShiftDown() && m_picking_enabled)
-            {
-                m_selection.clear();
-                m_selection.set_mode(Selection::Instance);
-                wxGetApp().obj_manipul()->set_dirty();
-                m_gizmos.reset_all_states();
-                m_gizmos.update_data(*this);
-                post_event(SimpleEvent(EVT_GLCANVAS_OBJECT_SELECT));
-            }
+                deselect_all();
         }
         else if (evt.LeftUp() && m_mouse.dragging)
             // Flips X mouse deltas if bed is upside down

src/slic3r/GUI/GLCanvas3D.hpp

@@ -555,6 +555,7 @@ public:
     void render();
 
     void select_all();
+    void deselect_all();
     void delete_selected();
     void ensure_on_bed(unsigned int object_idx);
 

src/slic3r/GUI/GUI_Preview.cpp

@@ -99,6 +99,12 @@ void View3D::select_all()
         m_canvas->select_all();
 }
 
+void View3D::deselect_all()
+{
+    if (m_canvas != nullptr)
+        m_canvas->deselect_all();
+}
+
 void View3D::delete_selected()
 {
     if (m_canvas != nullptr)

src/slic3r/GUI/GUI_Preview.hpp

@@ -47,6 +47,7 @@ public:
 
     void select_view(const std::string& direction);
     void select_all();
+    void deselect_all();
     void delete_selected();
     void mirror_selection(Axis axis);
 

src/slic3r/GUI/Gizmos/GLGizmosManager.cpp

@@ -790,10 +790,13 @@ bool GLGizmosManager::on_char(wxKeyEvent& evt, GLCanvas3D& canvas)
         // key ESC
         case WXK_ESCAPE:
         {
-            if ((m_current != SlaSupports) || !gizmo_event(SLAGizmoEventType::DiscardChanges))
-                reset_all_states();
+            if (m_current != Undefined)
+            {
+                if ((m_current != SlaSupports) || !gizmo_event(SLAGizmoEventType::DiscardChanges))
+                    reset_all_states();
 
-            processed = true;
+                processed = true;
+            }
             break;
         }
         case WXK_RETURN:

src/slic3r/GUI/MainFrame.cpp

@@ -267,6 +267,11 @@ bool MainFrame::can_select() const
     return (m_plater != nullptr) && !m_plater->model().objects.empty();
 }
 
+bool MainFrame::can_deselect() const
+{
+    return (m_plater != nullptr) && !m_plater->is_selection_empty();
+}
+
 bool MainFrame::can_delete() const
 {
     return (m_plater != nullptr) && !m_plater->is_selection_empty();
@@ -449,6 +454,11 @@ void MainFrame::init_menubar()
         append_menu_item(editMenu, wxID_ANY, _(L("&Select all")) + sep + GUI::shortkey_ctrl_prefix() + sep_space + "A",
             _(L("Selects all objects")), [this](wxCommandEvent&) { if (m_plater != nullptr) m_plater->select_all(); },
             "", nullptr, [this](){return can_select(); }, this);
+#if !DISABLE_DESELECT_ALL_MENU_ITEM
+        append_menu_item(editMenu, wxID_ANY, _(L("D&eselect all")) + sep + GUI::shortkey_ctrl_prefix() + sep + "Esc",
+            _(L("Deselects all objects")), [this](wxCommandEvent&) { if (m_plater != nullptr) m_plater->deselect_all(); },
+            "", nullptr, [this](){return can_deselect(); }, this);
+#endif // !DISABLE_DESELECT_ALL_MENU_ITEM
         editMenu->AppendSeparator();
         append_menu_item(editMenu, wxID_ANY, _(L("&Delete selected")) + sep + hotkey_delete,
             _(L("Deletes the current selection")),[this](wxCommandEvent&) { m_plater->remove_selected(); },
@@ -458,7 +468,6 @@ void MainFrame::init_menubar()
             menu_icon("delete_all_menu"), nullptr, [this](){return can_delete_all(); }, this);
 
         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);

src/slic3r/GUI/MainFrame.hpp

@@ -68,6 +68,7 @@ class MainFrame : public DPIFrame
     bool can_slice() const;
     bool can_change_view() const;
     bool can_select() const;
+    bool can_deselect() const;
     bool can_delete() const;
     bool can_delete_all() const;
 

src/slic3r/GUI/Plater.cpp

@@ -1261,6 +1261,7 @@ struct Plater::priv
     void object_list_changed();
 
     void select_all();
+    void deselect_all();
     void remove(size_t obj_idx);
     void delete_object_from_model(size_t obj_idx);
     void reset();
@@ -2032,6 +2033,11 @@ void Plater::priv::select_all()
     this->sidebar->obj_list()->update_selections();
 }
 
+void Plater::priv::deselect_all()
+{
+    view3D->deselect_all();
+}
+
 void Plater::priv::remove(size_t obj_idx)
 {
     // Prevent toolpaths preview from rendering while we modify the Print object
@@ -3303,6 +3309,7 @@ void Plater::select_view(const std::string& direction) { p->select_view(directio
 void Plater::select_view_3D(const std::string& name) { p->select_view_3D(name); }
 
 void Plater::select_all() { p->select_all(); }
+void Plater::deselect_all() { p->deselect_all(); }
 
 void Plater::remove(size_t obj_idx) { p->remove(obj_idx); }
 void Plater::reset() { p->reset(); }

src/slic3r/GUI/Plater.hpp

@@ -152,6 +152,7 @@ public:
     void update_ui_from_settings();
 
     void select_all();
+    void deselect_all();
     void remove(size_t obj_idx);
     void reset();
     void reset_with_confirm();