switch to using own event system

src/balancing/BalancingWindow.h

@@ -10,15 +10,22 @@
 #include <QTimer>
 #include <QWidget>
 
+#include "ArenaInspectRequestedEvent.h"
+#include "ArenaStartRequestedEvent.h"
 #include "ArenaWidget.h"
 #include "ArenaSimulation.h"
 #include "BalancingConfig.h"
+#include "EventHandler.h"
 #include "GameConfig.h"
+#include "InspectWindowClosedEvent.h"
 #include "VisualsConfig.h"
 
 class InspectWindow;
 
-class BalancingWindow : public QWidget
+class BalancingWindow : public QWidget,
+                        public CombinedEventHandler<ArenaStartRequestedEvent,
+                                                    ArenaInspectRequestedEvent,
+                                                    InspectWindowClosedEvent>
 {
     Q_OBJECT
 
@@ -30,15 +37,20 @@ public:
                     QWidget* parent = nullptr);
     ~BalancingWindow() override;
 
+private:
+    void handleEvent(std::shared_ptr<const ArenaStartRequestedEvent> event) override;
+    void handleEvent(std::shared_ptr<const ArenaInspectRequestedEvent> event) override;
+    void handleEvent(std::shared_ptr<const InspectWindowClosedEvent> event) override;
+
 private slots:
     void pollStatuses();
     void reloadConfig();
     void startAll();
+
+private:
     void startArena(int index);
     void inspectArena(int index);
     void closeInspectWindow();
-
-private:
     void populateArenas(const BalancingConfig& balancingConfig);
     void stopAllArenas();
     void updateButtons();