Add NullEventHandlers.

Author: kovacsv

Sources/NodeUIEngine/NUIE_EventHandlers.cpp

@@ -13,4 +13,42 @@ EventHandlers::~EventHandlers ()
 
 }
 
+NullEventHandlers::NullEventHandlers ()
+{
+}
+
+NullEventHandlers::~NullEventHandlers ()
+{
+}
+
+NUIE::MenuCommandPtr NullEventHandlers::OnContextMenu (NodeUIManager&, NodeUIEnvironment&, const Point&, const MenuCommandStructure&)
+{
+	return nullptr;
+}
+
+NUIE::MenuCommandPtr NullEventHandlers::OnContextMenu (NodeUIManager&, NodeUIEnvironment&, const Point&, const UINodePtr&, const MenuCommandStructure&)
+{
+	return nullptr;
+}
+
+NUIE::MenuCommandPtr NullEventHandlers::OnContextMenu (NodeUIManager&, NodeUIEnvironment&, const Point&, const UIOutputSlotPtr&, const MenuCommandStructure&)
+{
+	return nullptr;
+}
+
+NUIE::MenuCommandPtr NullEventHandlers::OnContextMenu (NodeUIManager&, NodeUIEnvironment&, const Point&, const UIInputSlotPtr&, const MenuCommandStructure&)
+{
+	return NUIE::MenuCommandPtr ();
+}
+
+NUIE::MenuCommandPtr NullEventHandlers::OnContextMenu (NodeUIManager&, NodeUIEnvironment&, const Point&, const UINodeGroupPtr&, const MenuCommandStructure&)
+{
+	return nullptr;
+}
+
+bool NullEventHandlers::OnParameterSettings (ParameterInterfacePtr)
+{
+	return false;
+}
+
 }

Sources/NodeUIEngine/NUIE_EventHandlers.hpp

@@ -29,6 +29,20 @@ class EventHandlers
 using EventHandlersPtr = std::shared_ptr<EventHandlers>;
 using EventHandlersConstPtr = std::shared_ptr<const EventHandlers>;
 
+class NullEventHandlers : public EventHandlers
+{
+public:
+	NullEventHandlers ();
+	virtual ~NullEventHandlers ();
+
+	virtual NUIE::MenuCommandPtr	OnContextMenu (NodeUIManager& uiManager, NodeUIEnvironment& env, const Point& position, const MenuCommandStructure& commands) override;
+	virtual NUIE::MenuCommandPtr	OnContextMenu (NodeUIManager& uiManager, NodeUIEnvironment& env, const Point& position, const UINodePtr& uiNode, const MenuCommandStructure& commands) override;
+	virtual NUIE::MenuCommandPtr	OnContextMenu (NodeUIManager& uiManager, NodeUIEnvironment& env, const Point& position, const UIOutputSlotPtr& inputSlot, const MenuCommandStructure& commands) override;
+	virtual NUIE::MenuCommandPtr	OnContextMenu (NodeUIManager& uiManager, NodeUIEnvironment& env, const Point& position, const UIInputSlotPtr& inputSlot, const MenuCommandStructure& commands) override;
+	virtual NUIE::MenuCommandPtr	OnContextMenu (NodeUIManager& uiManager, NodeUIEnvironment& env, const Point& position, const UINodeGroupPtr& group, const MenuCommandStructure& commands) override;
+	virtual bool					OnParameterSettings (ParameterInterfacePtr paramAccessor) override;
+};
+
 }
 
 #endif