// $Revision: 1.11 $
// Copyright (C) 1994 Taligent, Inc. All rights reserved.

#ifndef Taligent_CANVASGRAPHICSELECTION
#define Taligent_CANVASGRAPHICSELECTION

#ifndef Taligent_CANVASINTERACTION
#include <Taligent/CanvasInteraction.h>
#endif
#ifndef Taligent_PRIMITIVECLASSES
#include <Taligent/PrimitiveClasses.h>
#endif
#ifndef Taligent_CANVASCOMMANDS
#include <Taligent/CanvasCommands.h>
#endif

//================================================================================
// class 			TCanvasSelectionInteractor
//
// description		
//
//================================================================================

class TCanvasSelectionInteractor : public TCanvasRectDragInteractor
{
	public:
	
		TCanvasSelectionInteractor (MCanvasSelection* adoptInitialSelection, MToolHandler*, TCanvasView*);
		
		virtual 									~TCanvasSelectionInteractor ();
		
		//========================================
		// Metadata
		//========================================

		VersionDeclarationsMacro (TCanvasSelectionInteractor);
				    	    	    	
		//========================================
		// TCanvasInteractor Overrides
		//========================================

		virtual void								StartInteraction ();
		virtual void								ContinueInteraction ();
		virtual void								EndInteraction ();
		virtual bool								MouseMoved (TMouseMovedEvent&);
			

#ifndef NO_Internal							
	private:
		//========================================
		// Default constructor for MCollectible
		//========================================
	
		TCanvasSelectionInteractor ();

		void*										fExtension;
		bool										fRectSelecting;
		bool										fTranslatingGraphic;
		MCanvasSelection*							fSelection;
		TCanvasView*								fCanvasView;
		TDeleterFor<TToolCommandBinding>			fBinding;
		TTranslateCanvasGraphicCmd*					fCommand;
#endif

};


// ********************************************************************************
// class			TCanvasRectSelectionFunnel
//
// description		
//
// ********************************************************************************

class TCanvasRectSelectionFunnel : public TCanvasGraphicFunnel
{
	public:
	
		TCanvasRectSelectionFunnel (const TGRect&, MCanvasSelection&, bool shiftedSelection);
		
		virtual						~TCanvasRectSelectionFunnel ();

		// ========================================
		// Enumeration
		// ========================================

		virtual bool				ProcessGraphic (const MCanvasGraphic&);

#ifndef NO_Internal	
	private:
		MCanvasSelection&			fSelection;
		TGRect						fRect;
		bool						fShifted;
#endif

};



#endif // Taligent_CANVASGRAPHICSELECTION