6 files changed, 81 insertions, 4 deletions

diff --git a/src/game_tab/Game.cpp b/src/game_tab/Game.cpp
index 315a4de..9028223 100644
--- a/src/game_tab/Game.cpp
+++ b/src/game_tab/Game.cpp
@@ -131,6 +131,39 @@ bool Game::Play(std::string move,char promotion) {
   return (false);
 }
 
+void Game::GetOpening(std::string &name,std::string &eco){
+  HalfMove *m=current;
+  if(m == nullptr)
+    m=moves;
+  if(m!=nullptr){
+    // First check if opening already set
+    std::string cname,ceco;
+    m->GetOpening(cname,ceco);
+    if(ceco.size()>0){
+      name=cname;
+      eco=ceco;
+    }else {
+      // If not, get the current move line (or first move)
+      // and try to guess opening
+      auto line=m->GetLine(); // Vector of HalfMove
+      std::string pgn;
+      int count=1;
+      for(int i=0;i<line.size();i++){
+        if(i%2==0){
+          pgn+=std::to_string(count)+".";
+          count+=1;
+        }
+        pgn+=line[i]->move +" ";
+      }
+      // If there is a line, try to guess the opening
+      if(pgn.size()>0){
+        wxGetApp().GetBook().GuessOpening(pgn,name,eco);
+        m->SetOpening(name,eco);
+      }
+    }
+  }
+}
+
 void Game::Previous() {
   if (current != nullptr) {
     current = current->GetParent();
diff --git a/src/game_tab/Game.hpp b/src/game_tab/Game.hpp
index 6f9bbb7..d6e1582 100644
--- a/src/game_tab/Game.hpp
+++ b/src/game_tab/Game.hpp
@@ -35,6 +35,7 @@ public:
   HalfMove *GetMoves();
   std::string GetFen();
   std::string GetResult();
+  void GetOpening(std::string &name,std::string &eco);
   /// @brief Play the given absolute move
   bool Play(std::string move,char promotion='q');
   bool IsBlackToPlay();
diff --git a/src/game_tab/HalfMove.cpp b/src/game_tab/HalfMove.cpp
index 32924e1..0bac980 100644
--- a/src/game_tab/HalfMove.cpp
+++ b/src/game_tab/HalfMove.cpp
@@ -20,6 +20,38 @@ HalfMove::~HalfMove() {
   }
 }
 
+void HalfMove::SetOpening(const std::string &name, const std::string &eco){
+  HalfMove *m=this;
+  while(m!=nullptr){
+    m->opening=name;
+    m->eco=eco;
+    if(m->parent != nullptr && m->parent->mainline==m)
+      m=m->parent;
+    else
+      break;
+  }
+}
+
+void HalfMove::GetOpening(std::string &name, std::string &eco){
+  name=this->opening;
+  eco=this->eco;
+}
+
+std::vector<HalfMove *> HalfMove::GetLine(){
+  std::vector<HalfMove *> line;
+  HalfMove *m=this;
+  while(m!=nullptr){
+    line.push_back(m);
+    // Check if in a variation:
+    if(m->parent!=nullptr && m->parent->mainline!=m)
+      m=m->parent->parent; // Because we are in a variation
+    else
+      m=m->parent;
+  }
+  std::reverse(line.begin(), line.end());
+  return line;
+}
+
 HalfMove::HalfMove(HalfMove *m){
   src=m->src;
   dst=m->dst;
diff --git a/src/game_tab/HalfMove.hpp b/src/game_tab/HalfMove.hpp
index 0666f38..bc56557 100644
--- a/src/game_tab/HalfMove.hpp
+++ b/src/game_tab/HalfMove.hpp
@@ -20,6 +20,8 @@ class HalfMove : public cgeditor::CGEHalfMove {
   void BuildAndVerify(HalfMove *m, std::string fen);
   /// @brief Store the source and destination square of the current move (mainly used for pieces animation)
   std::string src,dst;
+  /// @brief Opening reach by that move while taking into account all the parents
+  std::string opening, eco;
 
 public:
   HalfMove(HalfMove *m);
@@ -49,9 +51,13 @@ public:
   HalfMove *GetParent();
   HalfMove *GetMainline();
   std::vector<HalfMove *> GetVariations();
-
+  /// @brief Retrieve the list of moves from the current one to the first one
+  std::vector<HalfMove *> GetLine();
   std::map<char, std::uint8_t> GetLineCaptures();
-
+  /// @brief The opening name of current line
+  void SetOpening(const std::string &name, const std::string &eco);
+  /// @brief Getters for name and eco
+  void GetOpening(std::string &name, std::string &eco);
   /// @brief Set parent of the current move
   void SetParent(HalfMove *m);
   std::string GetFen();
diff --git a/src/game_tab/left_panel/GameTabLeftPanel.cpp b/src/game_tab/left_panel/GameTabLeftPanel.cpp
index 1d6ed61..6a8deec 100644
--- a/src/game_tab/left_panel/GameTabLeftPanel.cpp
+++ b/src/game_tab/left_panel/GameTabLeftPanel.cpp
@@ -81,7 +81,6 @@ void GameTabLeftPanel::OnPlay(wxCommandEvent &event) {
       ProcessEvent(event);
     }
   }
-
   Notify(true); // Redraw event is move failed! Otherwise piece not resets to it initial position after dragging
 }
 
diff --git a/src/game_tab/right_panel/GameTabRightPanel.cpp b/src/game_tab/right_panel/GameTabRightPanel.cpp
index 29f91b7..21b4ed7 100644
--- a/src/game_tab/right_panel/GameTabRightPanel.cpp
+++ b/src/game_tab/right_panel/GameTabRightPanel.cpp
@@ -11,7 +11,7 @@ GameTabRightPanel::GameTabRightPanel(wxFrame *parent, std::shared_ptr<Game> game
   tags_list->InsertColumn(1, L"Value", wxLIST_FORMAT_LEFT, 500);
   tagTextCtrl->SetHint("Tag");
   valueTextCtrl->SetHint("Value");
-
+  opening_label->SetHint("Current opening");
   RefreshTagsList();
 
   // Bind events
@@ -42,6 +42,7 @@ GameTabRightPanel::GameTabRightPanel(wxFrame *parent, std::shared_ptr<Game> game
   Bind(wxEVT_KEY_UP, [p=this](wxKeyEvent &e){e.ResumePropagation(1);e.Skip();});
 
   ApplyPreferences();
+  analyze_game_button->Disable();
 }
 
 void GameTabRightPanel::OnLiveAnalysis(wxCommandEvent &event) {
@@ -156,6 +157,11 @@ void GameTabRightPanel::Notify() {
   if (live_engine != nullptr) {
     live_engine->SetFEN(game->GetFen());
   }
+  // Update opening name
+  std::string opening,eco;
+  game->GetOpening(opening,eco);
+  if(eco.size()>0)
+    opening_label->SetValue(eco+": "+opening);
 }
 
 void GameTabRightPanel::ApplyPreferences() {