ENH:update save enable state by event

jira: STUDIO-11156
Change-Id: If3076e987e4a2e6adc27ec851fad4e0dab85324c

resources/images/topbar_save_inactive.svg

@@ -0,0 +1,5 @@
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M12.7398 4.84619L9.15381 1.26016C8.98676 1.09311 8.76084 1 8.52533 1H1.88864C1.39708 1 1 1.39845 1 1.88864V12.1114C1 12.6029 1.39845 13 1.88864 13H12.1114C12.6029 13 13 12.6016 13 12.1114V5.47467C13 5.23916 12.9055 5.01324 12.7398 4.84619ZM3.88909 1.88864H6.55637V3.44409H3.88909V1.88864ZM10.1109 12.1114H3.88909V10.1109H10.1109V12.1114ZM12.1114 12.1114H11.0009V9.66727C11.0009 9.42218 10.8024 9.22227 10.5559 9.22227H3.44409C3.19899 9.22227 2.99909 9.42081 2.99909 9.66727V12.1114H1.88864V1.88864H2.99909V3.88909C2.99909 4.13419 3.19763 4.33409 3.44409 4.33409H7C7.24509 4.33409 7.445 4.13555 7.445 3.88909V1.88864H8.52533L12.1114 5.47467V12.1114Z" fill="#909090"/>
+<path d="M7.00038 1.36523H3.48145V3.90243H7.00038V1.36523Z" fill="#909090"/>
+<path d="M10.5686 9.77148H3.48145V12.5565H10.5686V9.77148Z" fill="#909090"/>
+</svg>

src/slic3r/GUI/BBLTopbar.cpp

@@ -180,19 +180,19 @@ void BBLTopbarArt::DrawButton(wxDC& dc, wxWindow* wnd, const wxAuiToolBarItem& i
     }
 }
 
-BBLTopbar::BBLTopbar(wxFrame* parent) 
+BBLTopbar::BBLTopbar(wxFrame* parent)
     : wxAuiToolBar(parent, ID_TOOL_BAR, wxDefaultPosition, wxDefaultSize, wxAUI_TB_TEXT | wxAUI_TB_HORZ_TEXT)
-{ 
+{
     Init(parent);
 }
 
 BBLTopbar::BBLTopbar(wxWindow* pwin, wxFrame* parent)
-    : wxAuiToolBar(pwin, ID_TOOL_BAR, wxDefaultPosition, wxDefaultSize, wxAUI_TB_TEXT | wxAUI_TB_HORZ_TEXT) 
+    : wxAuiToolBar(pwin, ID_TOOL_BAR, wxDefaultPosition, wxDefaultSize, wxAUI_TB_TEXT | wxAUI_TB_HORZ_TEXT)
-{ 
+{
     Init(parent);
 }
 
-void BBLTopbar::Init(wxFrame* parent) 
+void BBLTopbar::Init(wxFrame* parent)
 {
     SetArtProvider(new BBLTopbarArt());
     m_frame = parent;
@@ -230,8 +230,9 @@ void BBLTopbar::Init(wxFrame* parent)
     this->AddSpacer(FromDIP(10));
 
     wxBitmap save_bitmap = create_scaled_bitmap("topbar_save", nullptr, TOPBAR_ICON_SIZE);
-    wxAuiToolBarItem* save_btn = this->AddTool(wxID_SAVE, "", save_bitmap);
+    m_save_item          = this->AddTool(wxID_SAVE, "", save_bitmap);
-
+    wxBitmap save_inactive_bitmap = create_scaled_bitmap("topbar_save_inactive", nullptr, TOPBAR_ICON_SIZE);
+    m_save_item->SetDisabledBitmap(save_inactive_bitmap);
     this->AddSpacer(FromDIP(10));
 
     wxBitmap undo_bitmap = create_scaled_bitmap("topbar_undo", nullptr, TOPBAR_ICON_SIZE);
@@ -348,6 +349,7 @@ void BBLTopbar::OnSaveProject(wxAuiToolBarEvent& event)
     MainFrame* main_frame = dynamic_cast<MainFrame*>(m_frame);
     Plater* plater = main_frame->plater();
     plater->save_project();
+    EnableSaveItem(false);
 }
 
 void BBLTopbar::OnUndo(wxAuiToolBarEvent& event)
@@ -364,6 +366,30 @@ void BBLTopbar::OnRedo(wxAuiToolBarEvent& event)
     plater->redo();
 }
 
+void BBLTopbar::EnableSaveItem(bool enable)
+{
+    if (m_save_item) {
+        this->EnableTool(m_save_item->GetId(), enable);
+        Refresh();
+    }
+}
+
+void BBLTopbar::EnableUndoItem(bool enable)
+{
+    if (m_undo_item) {
+        this->EnableTool(m_undo_item->GetId(), enable);
+        Refresh();
+    }
+}
+
+void BBLTopbar::EnableRedoItem(bool enable)
+{
+    if (m_redo_item) {
+        this->EnableTool(m_redo_item->GetId(), enable);
+        Refresh();
+    }
+}
+
 void BBLTopbar::EnableUndoRedoItems()
 {
     this->EnableTool(m_undo_item->GetId(), true);
@@ -636,7 +662,7 @@ void BBLTopbar::OnMouseLeftDown(wxMouseEvent& event)
     wxPoint frame_pos = m_frame->GetScreenPosition();
     m_delta = mouse_pos - frame_pos;
 
-    if (FindToolByCurrentPosition() == NULL 
+    if (FindToolByCurrentPosition() == NULL
         || this->FindToolByCurrentPosition() == m_title_item)
     {
         CaptureMouse();
@@ -646,7 +672,7 @@ void BBLTopbar::OnMouseLeftDown(wxMouseEvent& event)
         return;
 #endif //  __WXMSW__
     }
-    
+
     event.Skip();
 }
 
@@ -674,7 +700,7 @@ void BBLTopbar::OnMouseMotion(wxMouseEvent& event)
 
     if (event.Dragging() && event.LeftIsDown())
     {
-        // leave max state and adjust position 
+        // leave max state and adjust position
         if (m_frame->IsMaximized()) {
             wxRect rect = m_frame->GetRect();
             // Filter unexcept mouse move

src/slic3r/GUI/BBLTopbar.hpp

@@ -39,7 +39,7 @@ public:
     void OnPublishClicked(wxAuiToolBarEvent &event);
 
     wxAuiToolBarItem* FindToolByCurrentPosition();
-	
+
     void SetFileMenu(wxMenu* file_menu);
     void AddDropDownSubMenu(wxMenu* sub_menu, const wxString& title);
     void AddDropDownMenuItem(wxMenuItem* menu_item);
@@ -49,6 +49,9 @@ public:
     void SetMaximizedSize();
     void SetWindowSize();
 
+    void EnableSaveItem(bool enable);
+    void EnableUndoItem(bool enable);
+    void EnableRedoItem(bool enable);
     void EnableUndoRedoItems();
     void DisableUndoRedoItems();
 
@@ -68,8 +71,9 @@ private:
     wxAuiToolBarItem* m_title_item;
     wxAuiToolBarItem* m_account_item;
     wxAuiToolBarItem* m_model_store_item;
-    
+
     wxAuiToolBarItem *m_publish_item;
+    wxAuiToolBarItem *m_save_item;
     wxAuiToolBarItem* m_undo_item;
     wxAuiToolBarItem* m_redo_item;
     wxAuiToolBarItem* m_calib_item;

src/slic3r/GUI/MainFrame.cpp

@@ -688,7 +688,13 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, BORDERLESS_FRAME_
             evt.IsShown() ? manger->start_refresher() : manger->stop_refresher();
         }
     });
-
+    Bind(wxEVT_IDLE, ([this](wxIdleEvent &e) {
+             if (m_topbar && m_plater) {
+                 m_topbar->EnableSaveItem(can_save());
+                 m_topbar->EnableUndoItem(m_plater->can_undo());
+                 m_topbar->EnableRedoItem(m_plater->can_redo());
+             }
+         }));
 #ifdef _MSW_DARK_MODE
     wxGetApp().UpdateDarkUIWin(this);
 #endif // _MSW_DARK_MODE

src/slic3r/GUI/Plater.cpp

@@ -14337,6 +14337,10 @@ void Plater::export_toolpaths_to_obj() const
     p->preview->get_canvas3d()->export_toolpaths_to_obj(into_u8(path).c_str());
 }
 
+bool Plater::is_empty_project() {
+    return model().objects.empty();
+}
+
 bool Plater::is_multi_extruder_ams_empty()
 {
     std::vector<std::string>        extruder_ams_count_str = p->config->option<ConfigOptionStrings>("extruder_ams_count", true)->values;

src/slic3r/GUI/Plater.hpp

@@ -338,7 +338,7 @@ public:
     void set_using_exported_file(bool exported_file) {
         m_exported_file = exported_file;
     }
-
+    bool is_empty_project();
     bool is_multi_extruder_ams_empty();
     // BBS
     wxString get_project_name();