replace combined stateUpdated signal with individual events

src/ui/SelectedBuildingPanel.h

@@ -8,11 +8,13 @@
 
 #include "Building.h"
 #include "BuildingId.h"
+#include "EventHandler.h"
 #include "GameConfig.h"
 #include "RecipesConfig.h"
 #include "ShipLayout.h"
 #include "ShipsConfig.h"
 #include "Tick.h"
+#include "TickAdvancedEvent.h"
 
 class Simulation;
 class ShipLayoutPreview;
@@ -22,20 +24,24 @@ class QListWidget;
 class QPushButton;
 class QVBoxLayout;
 
-class SelectedBuildingPanel : public QWidget
+class SelectedBuildingPanel : public QWidget,
+                               public EventHandler<TickAdvancedEvent>
 {
     Q_OBJECT
 
 public:
     SelectedBuildingPanel(Simulation* sim, const GameConfig* config,
                           QWidget* parent = nullptr);
+    ~SelectedBuildingPanel() override;
 
 signals:
     void layoutDialogRequested(BuildingId shipyardId);
 
 public slots:
     void onSelectionChanged(const std::vector<BuildingId>& ids);
-    void onStateUpdated(Tick tick, int blocks, double speed);
+
+private:
+    void handleEvent(std::shared_ptr<const TickAdvancedEvent> event) override;
 
 private slots:
     void onRecipeChanged(int comboIndex);