Add additional helpers for right-click menu cleanup

Author: plafosse

ui/action.h

@@ -252,8 +252,10 @@ class BINARYNINJAUIAPI UIActionHandler
 	ActionPriority getPriority(const QString& name);
 
 	void bindCopyAsActions(const UITransformAction& action);
+	void bindCopyAsActions(const UITransformAction& action, const std::function<bool()>& shouldShow);
 	void bindPasteFromActions(const UITransformAction& action);
 	void bindTransformActions(const UITransformAction& encode, const UITransformAction& decode);
+	void bindTransformActions(const UITransformAction& encode, const UITransformAction& decode, const std::function<bool()>& shouldShow);
 	void unbindCopyAsActions();
 	void unbindPasteFromActions();
 	void unbindTransformActions();

ui/linearview.h

@@ -511,9 +511,11 @@ private Q_SLOTS:
 	virtual void followPointer();
 
 	virtual bool canCopyWithTransform() override;
+	virtual bool canCut() override;
 	virtual void cut() override;
 	virtual void copy(TransformRef xform = nullptr) override;
 	virtual void paste(TransformRef xform = nullptr) override;
+	virtual bool canPaste() override;
 	virtual void copyAddress() override;
 
 	virtual HighlightTokenState getHighlightTokenState() override { return m_highlight; }
@@ -594,6 +596,9 @@ private Q_SLOTS:
 	bool canExtendSelectionToEndOfSegment();
 	bool canExtendSelectionToStartOfDataVariable();
 	bool canExtendSelectionToEndOfDataVariable();
+
+	virtual bool shouldShowCopyAsActions();
+	virtual bool shouldShowTransformActions();
 };
 
 /*!