Improve the binding between LiveEngineDialog and BoardCanvas

TODO.md

@@ -10,7 +10,7 @@
  - [ ] Make PGNGameBase use GotoNextGame() instead of ParseNextGame() in the NextGame() method to improve performance
  - [x] Clean and debug DragNDrop in BoardCanvas
  - [ ] Disable the "Analyze entire game" button (Not Yet Implemented)
- - [ ] Keep engine evaluation bar visible (and best move arrows) as long as the live engine dialog is open
+ - [x] Keep engine evaluation bar visible (and best move arrows) as long as the live engine dialog is open
  
  ## Additional Features
  - [x] Add a live evaluation bar to the BoardCanvas

src/game_tab/GameTab.cpp

@@ -33,6 +33,9 @@ GameTab::GameTab(wxFrame *parent, std::shared_ptr<Game> game)
     p->board_panel->SetEngineEvaluation(*eval);
     free(eval);
   });
+  Bind(LIVE_ANALYSIS_STATUS, [p=this](wxCommandEvent &event){
+    p->board_panel->SetLiveEngineState((bool)event.GetInt());
+  });
 }
 
 void GameTab::OnToolClick(wxCommandEvent &event){

src/game_tab/left_panel/GameTabLeftPanel.cpp

@@ -2,7 +2,7 @@
 #include <wx/clipbrd.h>
 
 GameTabLeftPanel::GameTabLeftPanel(wxFrame *parent, std::shared_ptr<Game> game)
-    : TabGameLeftPanel(parent), game(game), repeat(false) {
+    : TabGameLeftPanel(parent), game(game), repeat(false), is_engine_on(false) {
 
   // Configure toolbar (note that toolbar events are processed into the GameTab class)
   game_toolbar->AddTool(0, wxT("Save As"),
@@ -86,20 +86,32 @@ void GameTabLeftPanel::OnPlay(wxCommandEvent &event) {
 }
 
 void GameTabLeftPanel::SetEngineEvaluation(EngineEvaluation eval){
-  engine_arrows.clear();
-  float scale=1;
-  unsigned char color=0;
-  for(auto const &arrow: eval.best_lines){
-    std::string src=arrow.substr(0,2);
-    std::string dst=arrow.substr(2,2);
-    engine_arrows.push_back({src,dst,wxColour(color,color,color),scale});
-    scale=std::max(0.1,scale-0.25);
-    color=std::min(255,color+70);
+  if(is_engine_on){
+    engine_arrows.clear();
+    float scale=1;
+    unsigned char color=0;
+    for(auto const &arrow: eval.best_lines){
+      std::string src=arrow.substr(0,2);
+      std::string dst=arrow.substr(2,2);
+      engine_arrows.push_back({src,dst,wxColour(color,color,color),scale});
+      scale=std::max(0.1,scale-0.25);
+      color=std::min(255,color+70);
+    }
+    eval_cp=eval.eval;
+    Notify(true);
   }
-  eval_cp=eval.eval;
-  Notify(true);
 }
 
+void GameTabLeftPanel::SetLiveEngineState(bool isOn){
+  is_engine_on=isOn;
+  if(!is_engine_on){
+    engine_arrows.clear();
+    eval_cp=0;
+    Notify(true);
+  }
+}
+
+
 void GameTabLeftPanel::Notify(bool skip_animation) {
   // Update fen and captures
   std::string fen = game->GetFen();
@@ -138,7 +150,7 @@ void GameTabLeftPanel::Notify(bool skip_animation) {
   gs.mat_white=game->IsCheckmate(false);
   gs.arrows=engine_arrows;
   gs.promotion=promote_on;
-  gs.show_evalbar=engine_arrows.size()>0;
+  gs.show_evalbar=is_engine_on;
   gs.eval=eval_cp/100;
   if(m){
     // There should be a valid src_hl or dst_hl ortherwise it explode:

src/game_tab/left_panel/GameTabLeftPanel.hpp

@@ -18,6 +18,7 @@ class GameTabLeftPanel : public TabGameLeftPanel {
   std::string promote_on;
   std::string promotion_move;
   float eval_cp;
+  bool is_engine_on;
 
 public:
   GameTabLeftPanel(wxFrame *parent, std::shared_ptr<Game> game);
@@ -28,4 +29,5 @@ public:
   void ApplyPreferences();
   void SetSaveToolEnable(bool state){game_toolbar->EnableTool(0,state);};
   void SetEngineEvaluation(EngineEvaluation eval);
+  void SetLiveEngineState(bool isOn);
 };

src/game_tab/right_panel/GameTabRightPanel.cpp

@@ -1,11 +1,6 @@
 #include "GameTabRightPanel.hpp"
 
-wxDEFINE_EVENT(GOTO_MOVE_EVENT, wxCommandEvent);
-wxDEFINE_EVENT(DELETE_MOVE_EVENT, wxCommandEvent);
-wxDEFINE_EVENT(PROMOTE_MOVE_EVENT, wxCommandEvent);
-wxDEFINE_EVENT(SET_AS_MAINLINE_EVENT, wxCommandEvent);
-wxDEFINE_EVENT(PREVIOUS_MOVE_EVENT, wxCommandEvent);
-wxDEFINE_EVENT(NEXT_MOVE_EVENT, wxCommandEvent);
+wxDEFINE_EVENT(LIVE_ANALYSIS_STATUS, wxCommandEvent);
 
 GameTabRightPanel::GameTabRightPanel(wxFrame *parent, std::shared_ptr<Game> game)
     : TabGameRightPanel(parent), game(game), selected_item(-1),
@@ -53,6 +48,12 @@ void GameTabRightPanel::OnLiveAnalysis(wxCommandEvent &event) {
   if (live_engine == nullptr) {
     int selection = engine_list->GetSelection();
     if (selection != wxNOT_FOUND) {
+      // Notify about the state of the LiveEngine
+      wxCommandEvent notifyEvent(LIVE_ANALYSIS_STATUS,GetId());
+      notifyEvent.SetEventObject(this);
+      notifyEvent.SetInt(1);
+      ProcessEvent(notifyEvent);
+
       live_engine = new LiveEngineDialog(
           this, engine_list->GetString(selection).ToStdString());
       live_engine->SetFEN(game->GetFen());
@@ -87,6 +88,12 @@ void GameTabRightPanel::OnTagDeselected(wxListEvent &event) {
 }
 
 void GameTabRightPanel::OnLiveEngineClose(wxCloseEvent &e) {
+  // Notify about the state of the LiveEngine
+  wxCommandEvent notifyEvent(LIVE_ANALYSIS_STATUS,GetId());
+  notifyEvent.SetEventObject(this);
+  notifyEvent.SetInt(0);
+  ProcessEvent(notifyEvent);
+  // Refresh pointer
   live_engine = nullptr;
   e.Skip();
 }

src/game_tab/right_panel/GameTabRightPanel.hpp

@@ -7,16 +7,10 @@
 #include <wx/listctrl.h>
 #include <wx/notebook.h>
 
-// Local events
-wxDECLARE_EVENT(GOTO_MOVE_EVENT, wxCommandEvent);
-wxDECLARE_EVENT(DELETE_MOVE_EVENT, wxCommandEvent);
-wxDECLARE_EVENT(PROMOTE_MOVE_EVENT, wxCommandEvent);
-wxDECLARE_EVENT(SET_AS_MAINLINE_EVENT, wxCommandEvent);
-wxDECLARE_EVENT(REFRESH_TAB_TITLE, wxCommandEvent);
-
 // Foreign events
 wxDECLARE_EVENT(GAME_CHANGE, wxCommandEvent);
 wxDECLARE_EVENT(SHOW_ENGINE_EVALUATION, wxCommandEvent);
+wxDECLARE_EVENT(LIVE_ANALYSIS_STATUS, wxCommandEvent);
 
 class GameTabRightPanel : public TabGameRightPanel {
   std::shared_ptr<Game> game;