schematic selection dialog

src/ui/MainWindow.h

@@ -8,6 +8,7 @@
 #include "BuildingBlocksChangedEvent.h"
 #include "BuildingId.h"
 #include "EventHandler.h"
+#include "SchematicChoicesAvailableEvent.h"
 #include "ShipLayoutBlueprint.h"
 #include "Tick.h"
 #include "VisualsConfig.h"
@@ -22,7 +23,8 @@ class QCloseEvent;
 class QResizeEvent;
 
 class MainWindow : public QWidget,
-                   public EventHandler<BuildingBlocksChangedEvent>
+                   public CombinedEventHandler<BuildingBlocksChangedEvent,
+                                               SchematicChoicesAvailableEvent>
 {
     Q_OBJECT
 
@@ -36,6 +38,7 @@ protected:
 
 private:
     void handleEvent(std::shared_ptr<const BuildingBlocksChangedEvent> event) override;
+    void handleEvent(std::shared_ptr<const SchematicChoicesAvailableEvent> event) override;
     void layoutPanels();
 
 private slots: