add live ship stats panel

src/ui/SelectedBuildingPanel.h

@@ -1,13 +1,17 @@
 #pragma once
 
+#include <optional>
 #include <string>
 #include <vector>
 
 #include <QPoint>
 #include <QWidget>
 
+#include "entt/entity/entity.hpp"
+
 #include "Building.h"
 #include "BuildingId.h"
+#include "EntitySelectedEvent.h"
 #include "EventHandler.h"
 #include "GameConfig.h"
 #include "RecipesConfig.h"
@@ -18,6 +22,7 @@
 
 class Simulation;
 class ShipLayoutPreview;
+class ShipStatsPanel;
 class QLabel;
 class QComboBox;
 class QListWidget;
@@ -25,7 +30,7 @@ class QPushButton;
 class QVBoxLayout;
 
 class SelectedBuildingPanel : public QWidget,
-                               public EventHandler<TickAdvancedEvent>
+                               public CombinedEventHandler<TickAdvancedEvent, EntitySelectedEvent>
 {
     Q_OBJECT
 
@@ -42,6 +47,7 @@ public slots:
 
 private:
     void handleEvent(std::shared_ptr<const TickAdvancedEvent> event) override;
+    void handleEvent(std::shared_ptr<const EntitySelectedEvent> event) override;
 
 private slots:
     void onRecipeChanged(int comboIndex);
@@ -80,4 +86,14 @@ private:
     BuildingId     m_singleBuildingId;
     QPoint       m_splitterTile;
     std::string  m_currentRecipeId;
+
+    std::optional<entt::entity> m_selectedEntity;
+    ShipStatsPanel* m_entityStatsPanel;
+    QLabel*         m_entityTitleLabel;
+    QLabel*         m_stationStatsLabel;
+
+    void buildEntityShip(entt::entity entity);
+    void buildEntityStation(entt::entity entity);
+    void refreshEntityStats();
+    void clearEntityDisplay();
 };