Improve management of engines tabs

src/MainWindow.cpp

@@ -120,9 +120,18 @@ void MainWindow::OnMenuItemClick(wxCommandEvent &event) {
     wxMenuItemList items = manageMenu->GetMenuItems();
     for (wxMenuItem *item : items) {
       if (item->GetId() == id) {
+        std::uint32_t engine_id=item->GetId()-100;
+        // Check if not already opened
+        for(auto i: wxGetApp().ListTabInfos()){
+          if(i->type==TabInfos::ENGINE && i->GetEngineId()==engine_id){
+            wxGetApp().FocusOnTab(i);
+            return;
+          }
+        }
+        // Open engine configuration tag:
         wxLogDebug("Selected %s", item->GetItemLabel());
         EngineTab *et = new EngineTab((wxWindow *)notebook,
-                                      item->GetId()-100);
+                                      engine_id);
         AddPage(et,et);
       }
     }

src/engine_tab/EngineTab.cpp

@@ -38,6 +38,7 @@ EngineTab::EngineTab(wxWindow *parent, std::uint32_t id)
   SetLabel(name);
   engine_name->SetValue(name);
   engine_location->SetValue(conf->Read(confGroup + "/path"));
+  engine_id=id;
   CONFIG_CLOSE(conf);
 
   // Load existing configuration

src/engine_tab/EngineTab.hpp

@@ -21,6 +21,7 @@ public:
   void ApplyPreferences() {}
   std::shared_ptr<Game> GetGame() { return nullptr; }
   std::shared_ptr<GameBase> GetBase() { return nullptr; }
+  std::uint32_t GetEngineId() { return engine_id; };
   void OnSave(wxCommandEvent &event);
   void OnDelete(wxCommandEvent &event);
 };

src/ochess.cpp

@@ -51,6 +51,14 @@ std::vector<TabInfos *> MyApp::ListTabInfos() {
   return (tinfos);
 }
 
+void MyApp::FocusOnTab(TabInfos * toFocus){
+  wxAuiNotebook *notebook = ((MainWindow *)this->GetTopWindow())->notebook;
+  for (int i = 0; i < notebook->GetPageCount(); i++) {
+    if(dynamic_cast<TabInfos *>(notebook->GetPage(i))->id== toFocus->id)
+      notebook->SetSelection(i);
+  }
+}
+
 Openings &MyApp::GetBook() { return Book; }
 
 void MyApp::NewGame(TabInfos *tabsrc, std::shared_ptr<Game> g) {

src/ochess.hpp

@@ -64,6 +64,7 @@ public:
   virtual void ApplyPreferences() {};
   virtual std::shared_ptr<Game> GetGame() = 0;
   virtual std::shared_ptr<GameBase> GetBase() = 0;
+  virtual std::uint32_t GetEngineId() { return 0; };
 };
 
 
@@ -76,6 +77,7 @@ public:
   Openings Book;
   virtual bool OnInit();
   std::vector<TabInfos *> ListTabInfos();
+  void FocusOnTab(TabInfos *);
   void NewGame(TabInfos *tabsrc,std::shared_ptr<Game> g);
   void NewGame(std::shared_ptr<Game> g);
   Openings& GetBook();